:root{--navy:#134da0;--navy-deep:#0d3a7a;--band-navy:#0b47a3;--sky:#2698dd;--sky-band:#57b8e5;--tint:#f3faff;--page-bg:#eef6fd;--sun:#fec44b;--sun-ink:#3a2a00;--sun-soft:#fff1cc;--leaf:#a2c466;--leaf-ink:#3e5a12;--ink:#0e2a52;--muted:#5a6f8e;--line:#dce8f5;--ok:#2e9e5b;--ok-bg:#eef5e1;--no:#d9534f;--no-bg:#fdecec;--font:"Alexandria", system-ui, sans-serif;--book-font:"Teachers", "Alexandria", system-ui, sans-serif;--pat-soft:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='66' height='60' viewBox='0 0 44 40'%3E%3Cpath d='M36.67 -2.88A15 15 0 0 1 7.33 -2.88L12.22 -3.92A10 10 0 0 0 31.78 -3.92ZM14.67 17.12A15 15 0 0 1 -14.67 17.12L-9.78 16.08A10 10 0 0 0 9.78 16.08ZM58.67 17.12A15 15 0 0 1 29.33 17.12L34.22 16.08A10 10 0 0 0 53.78 16.08ZM36.67 37.12A15 15 0 0 1 7.33 37.12L12.22 36.08A10 10 0 0 0 31.78 36.08Z' fill='%23134DA0' fill-opacity='.06'/%3E%3C/svg%3E");--pat-on-dark:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='66' height='60' viewBox='0 0 44 40'%3E%3Cpath d='M36.67 -2.88A15 15 0 0 1 7.33 -2.88L12.22 -3.92A10 10 0 0 0 31.78 -3.92ZM14.67 17.12A15 15 0 0 1 -14.67 17.12L-9.78 16.08A10 10 0 0 0 9.78 16.08ZM58.67 17.12A15 15 0 0 1 29.33 17.12L34.22 16.08A10 10 0 0 0 53.78 16.08ZM36.67 37.12A15 15 0 0 1 7.33 37.12L12.22 36.08A10 10 0 0 0 31.78 36.08Z' fill='%23FFFFFF' fill-opacity='.08'/%3E%3C/svg%3E");--pat-line:var(--pat-soft);--pat-bold:var(--pat-on-dark);--pat-sun:var(--pat-soft);--radius-card:28px;--shadow-card:0 10px 26px -8px #051a471a;--shadow-lift:0 22px 44px -8px #051a4738;--smiles:var(--pat-bold)}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{font-family:var(--font);color:var(--ink);background:var(--page-bg);-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0;padding:0}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin:0}:focus-visible{outline:3px solid var(--sun);outline-offset:3px;border-radius:10px}img{max-width:100%;display:block}.wrap{width:min(1280px,100% - 32px);margin:0 auto}.eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--sky);font-size:13px;font-weight:600}.card{border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);background:#fff}.navy-panel{background:var(--navy) var(--smiles) repeat;color:#fff;border-radius:36px}.btn{white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;gap:10px;font-weight:600;transition:transform .15s,box-shadow .15s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-lg{padding:18px 30px;font-size:22px}.btn-md{padding:13px 22px;font-size:16px}.btn-sm{min-height:44px;padding:9px 16px;font-size:14px}.btn-sun{background:var(--sun);color:var(--sun-ink);box-shadow:inset 0 -4px #0000001f,0 10px 22px -8px #a06e0073}.btn-navy{background:var(--navy);color:#fff;box-shadow:inset 0 -3px #00000026}.btn-ghost{color:var(--navy);border:1.5px solid var(--line);background:#fff}.btn-tint{background:var(--tint);color:var(--navy)}.demo-bar{background:var(--sun-soft);color:#6b4d00;text-align:center;padding:8px 16px;font-size:13px}.topbar{border-bottom:1px solid var(--line);background:#fff}.topbar .wrap{align-items:center;gap:28px;height:86px;display:flex}.topbar .logo{flex:none}.topbar .logo img{width:116px}.mainnav{background:var(--tint) var(--pat-line);border:1px solid #e1eef9;border-radius:24px;gap:6px;padding:6px;display:flex}.mainnav a{color:var(--navy);white-space:nowrap;border-radius:18px;align-items:center;gap:8px;padding:7px 12px 7px 7px;font-size:16px;font-weight:600;transition:background .15s,transform .15s;display:flex;position:relative}.mainnav a:hover{background:#fff}.mn-ico{color:#fff;border-radius:13px;flex:none;place-items:center;width:40px;height:40px;display:grid}.mainnav a.active{background:var(--navy) var(--pat-bold);color:#fff;box-shadow:0 10px 20px -10px #134da0b3}.mainnav a.active .mn-ico{box-shadow:0 0 0 3px #ffffffe6}.mainnav a.active:after{content:"";background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 34 9'%3E%3Cpath d='M3 1.5c7 7.5 21 7.5 28 0' stroke='%23FEC44B' stroke-width='3.4' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") 50%/contain no-repeat;width:34px;height:9px;position:absolute;bottom:6px;left:50%;transform:translate(calc(20px - 50%))}@media (width>=901px){.topbar .wrap{gap:14px}.topbar .logo img{width:96px}.mainnav a{gap:7px;padding:6px 11px 6px 6px;font-size:15px}.mainnav .mn-ico{border-radius:11px;width:34px;height:34px}.mainnav a.active:after{bottom:4px;transform:translate(calc(18px - 50%))}}.logomark{line-height:0;display:inline-block}.logomark svg{width:100%;height:100%;display:block}.who-txt{flex-direction:column;align-items:flex-start;line-height:1.15;display:flex}.who-txt small{color:var(--muted);letter-spacing:.02em;font-size:11px;font-weight:500}.who-txt b{color:var(--navy);font-size:16px}.who-chev{background:var(--tint);width:26px;height:26px;color:var(--navy);border-radius:50%;place-items:center;display:grid}.grownups{border:1.5px solid var(--line);background:#fff;border-radius:18px;align-items:center;gap:10px;padding:6px 16px 6px 6px;display:flex}.grownups .mn-ico{background:var(--navy) var(--pat-bold)}.grownups:hover,.who:hover{border-color:var(--sky)}.topbar .spacer{flex:1}.who{border:1.5px solid var(--line);background:#fff;border-radius:18px;align-items:center;gap:10px;padding:6px 10px 6px 6px;font-weight:600;display:flex;position:relative}.who .avatar{border-radius:13px;width:42px;height:42px;box-shadow:inset 0 -3px #00000026}.avatar{color:#fff;border-radius:50%;flex:none;place-items:center;width:40px;height:40px;font-weight:700;display:grid}.who-menu{border:1px solid var(--line);box-shadow:var(--shadow-lift);z-index:30;background:#fff;border-radius:18px;min-width:200px;padding:8px;position:absolute;top:calc(100% + 8px);right:0}.who-menu button{border-radius:12px;align-items:center;gap:10px;width:100%;padding:8px;font-weight:600;display:flex}.who-menu button:hover{background:var(--tint)}.beads{flex-direction:column;gap:4px;display:inline-flex}.bead-row{align-items:center;display:flex}@media (width<=900px){.topbar .wrap{flex-wrap:wrap;gap:12px;height:auto;padding:12px 0}.mainnav{order:3;width:100%;overflow-x:auto}.mainnav a{flex:1;justify-content:center}.btn-lg{padding:15px 22px;font-size:18px}}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}:root[data-subject=ela]{--sky:#e8706a;--sky-band:#f49a94}:root[data-subject=ela] .topbar{border-bottom:4px solid #ef7b7b}:root[data-subject=ela] .sheet,:root[data-subject=ela] .kn-side{border-top:6px solid #ef7b7b}:root[data-subject=ela] .part-pill{background:#fdecea;border-color:#f7cfcb}:root[data-subject=ela] .sheet-head{border-bottom-color:#f7d6d2}:root[data-subject=ela] .kn-today{background:#fff3f1}:root[data-subject=ela] .kn-bar{background:#fbe3e0}.fun-door{white-space:nowrap;background:radial-gradient(circle at 18% 22%,#ef7b7b 0 3px,#0000 4px),radial-gradient(circle at 82% 30%,#2698dd 0 3px,#0000 4px),radial-gradient(circle at 64% 82%,#a2c466 0 3px,#0000 4px),radial-gradient(circle at 92% 78%,#ef7b7b 0 2.5px,#0000 3.5px),#fec44b;border-radius:20px;align-items:center;gap:8px;min-height:52px;margin-left:12px;padding:6px 18px 6px 58px;transition:transform .2s;display:flex;position:relative;box-shadow:inset 0 -4px #0000001f,0 8px 18px -8px #be820099}.fun-door:hover{transform:translateY(-2px)rotate(-1.5deg)}.fun-door .fd-pip{transform-origin:50% 100%;filter:drop-shadow(0 2px 2px #0000002e);width:50px;height:auto;animation:2.6s ease-in-out infinite fd-bob;position:absolute;bottom:2px;left:4px}.fun-door:hover .fd-pip{animation:.6s ease-in-out infinite fd-wiggle}.fd-txt{flex-direction:column;line-height:1.05;display:flex}.fd-txt b{color:var(--navy);font-size:18px;font-weight:700}.fd-txt small{color:var(--navy);opacity:.75;font-size:11px;font-weight:500}.fd-spark{color:#fff;text-shadow:0 0 6px #ffffffe6;pointer-events:none;font-size:13px;animation:1.8s ease-in-out infinite fd-twinkle;position:absolute}.fd-spark.k1{top:-9px;right:-5px}.fd-spark.k2{font-size:11px;animation-delay:.6s;bottom:-6px;right:34px}.fd-spark.k3{font-size:10px;animation-delay:1.2s;top:2px;left:44px}.fun-door.active{box-shadow:inset 0 -4px 0 #0000001f, 0 0 0 3px var(--navy)}.fun-door:focus-visible{outline:3px solid var(--sky);outline-offset:3px}@keyframes fd-bob{0%,to{transform:translateY(0)rotate(-4deg)}50%{transform:translateY(-5px)rotate(4deg)}}@keyframes fd-wiggle{0%,to{transform:rotate(-10deg)}50%{transform:rotate(10deg)translateY(-3px)}}@keyframes fd-twinkle{0%,to{opacity:.2;transform:scale(.7)}50%{opacity:1;transform:scale(1.15)}}@media (width>=901px){.fun-door{min-height:46px;margin-left:2px;padding:5px 14px 5px 50px}.fun-door .fd-pip{width:44px}.fd-txt b{font-size:17px}.fd-txt small,.grownups .who-txt small,.who .who-txt small{display:none}.grownups{padding-right:10px}.topbar .wrap{gap:8px}.mainnav{gap:2px;padding:4px}.mainnav a{padding:5px 9px 5px 5px;font-size:14px}}@media (width<=900px){.fun-door{margin-left:0}}@media (width>=901px) and (width<=1239px){.topbar .wrap{flex-wrap:wrap;gap:12px;height:auto;padding:12px 0}.mainnav{order:3;width:100%;overflow-x:auto}.mainnav a{flex:1;justify-content:center}}:is(.wb,.wb-title,.lesson-dialog,.wmf,.example-card,.poster,.course-tile,.course-tile-t,.course-tile-tag,.sl-t,.sl-pt,.sl-ps,.lg-course,.tools-card,.ra-text,.story-card,.fz-door,.kn-dot,.kn-ball-mark,.kn-door,.kn-map,.kn-tile,.kn-goal,.kn-today,.kn-stop,.kn-lbl,.kn-side,.lesson-mat,.map-t,.ck-q,.ck-choice,.ck-vis,.door-glyph,.sp-letter,.gp-choices,.gp-given,.skill-art,.lib-card,.week-sk,.g-level,.g-levels,.letter-book),:is(.wb,.wb-title,.lesson-dialog,.wmf,.example-card,.poster,.course-tile,.course-tile-t,.course-tile-tag,.sl-t,.sl-pt,.sl-ps,.lg-course,.tools-card,.ra-text,.story-card,.fz-door,.kn-dot,.kn-ball-mark,.kn-door,.kn-map,.kn-tile,.kn-goal,.kn-today,.kn-stop,.kn-lbl,.kn-side,.lesson-mat,.map-t,.ck-q,.ck-choice,.ck-vis,.door-glyph,.sp-letter,.gp-choices,.gp-given,.skill-art,.lib-card,.week-sk,.g-level,.g-levels,.letter-book) *{font-family:var(--book-font)!important}:is(.wb,.wb-title,.lesson-dialog,.wmf,.example-card,.course-tile,.sl-t,.lg-course,.tools-card,.ra-text,.story-card,.fz-door,.kn-door,.kn-map,.kn-tile,.kn-goal,.kn-today,.kn-stop,.kn-lbl,.kn-side,.lesson-mat,.map-t,.ck-q,.ck-choice,.ck-vis,.lib-card,.week-sk,.g-level,.g-levels,.letter-book){font-size-adjust:ex-height .5}.poster,.poster *{font-size-adjust:none}:is(.wb,.wb-title,.lesson-dialog,.wmf,.example-card,.sl-t,.lg-course,.tools-card,.ra-text,.story-card,.kn-door,.kn-map,.kn-tile,.kn-goal,.kn-today,.kn-stop,.kn-lbl,.kn-side,.lesson-mat,.map-t,.ck-q,.ck-choice,.lib-card,.week-sk,.g-level,.g-levels,.letter-book) :where(p,span,li,label,small,button,a,div,td,figcaption){-webkit-text-stroke:.022em currentColor}.en-letters,.en-letters *,.en-print,.en-print *,.en-moveable,.en-moveable *{font-size-adjust:none;-webkit-text-stroke:0;font-family:var(--book-font)!important}.en-letters,.en-moveable{letter-spacing:.03em;font-weight:600!important}.en-print{letter-spacing:.02em;font-weight:600}:is(.bh-title,.bh-kick,.bv-txt,.item,.qrow,.slip-stage,.kgw,.nl-main,.nl-watch-box,.en-book),:is(.bh-title,.bh-kick,.bv-txt,.item,.qrow,.slip-stage,.kgw,.nl-main,.nl-watch-box,.en-book) *{font-family:var(--book-font)!important}.who-txt b,.who-txt small{white-space:nowrap}.fun-door{background:#fec44b}@media (width<=600px){.topbar .wrap{gap:8px;padding:10px 0}.topbar .logo img{width:84px}.topbar .fun-door{min-height:44px;padding:4px 12px 4px 46px}.topbar .fun-door .fd-pip{width:40px}.topbar .fd-txt b{font-size:15px}.topbar .fd-txt small,.topbar .who .who-txt,.topbar .who .who-chev,.topbar .grownups .who-txt{display:none}.topbar .who,.topbar .grownups{border-radius:16px;padding:4px}.topbar .who .avatar,.topbar .grownups .mn-ico{width:38px;height:38px}.topbar .spacer{display:none}.topbar .fun-door{margin-left:auto}.mainnav{gap:2px;padding:4px;overflow:visible}.mainnav a{flex-direction:column;flex:1 1 0;gap:3px;min-width:0;padding:6px 2px 8px;font-size:11.5px;line-height:1.1}.mainnav a .mn-label{white-space:normal;text-align:center}.mainnav .mn-ico{border-radius:11px;width:34px;height:34px}.mainnav a.active:after{display:none}}.m-arrow{vertical-align:.06em;width:1.15em;height:.58em;color:inherit;flex:none;margin:0 .14em;display:inline-block;overflow:visible}.loading{min-height:60vh;color:var(--muted);place-items:center;font-size:20px;display:grid}.toast{background:var(--ink);color:#fff;z-index:80;border-radius:999px;padding:14px 22px;font-weight:600;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.section-h{color:var(--navy);margin-bottom:18px;font-size:26px;font-weight:700}.muted{color:var(--muted)!important}.muted-note{color:var(--muted);margin-top:12px;font-size:14px}.notfound{text-align:center;justify-items:center;gap:20px;margin-top:60px;padding:40px;font-size:20px;display:grid}.btn.wide{width:100%}.pill-static{background:var(--tint);color:var(--navy);border-radius:999px;padding:10px 16px;font-size:15px;font-weight:600}.course-tile{aspect-ratio:1/1.1;background:var(--navy) var(--smiles) repeat;color:#fff;text-align:center;border-radius:24px;flex-direction:column;justify-content:center;align-items:center;gap:14px;width:100%;padding:18px 14px;display:flex;position:relative;box-shadow:0 14px 26px -12px #051a4773}.course-tile-tag{background:var(--sun);color:var(--sun-ink);border-radius:999px;padding:3px 10px;font-size:11px;font-weight:700;position:absolute;top:12px;left:12px}.course-tile-beads{background:#fff;border-radius:14px;padding:10px 12px}.course-tile-t{color:#fff;font-size:19px;font-weight:700;line-height:1.15}.course-tile.compact{border-radius:16px;gap:8px;padding:10px 8px}.course-tile.compact .course-tile-t{font-size:12px}.course-tile.compact .course-tile-tag{display:none}.course-tile.compact .course-tile-beads{border-radius:10px;padding:6px 8px}.poster{width:100%}.poster-in{all:unset;box-sizing:border-box;aspect-ratio:16/9;cursor:pointer;width:100%;color:var(--navy);background:#eaf4fd;border-radius:1em;font-family:inherit;font-size:2.5cqw;display:block;position:relative;overflow:hidden}.poster-in:focus-visible{outline:3px solid var(--sky);outline-offset:3px}.poster .poster-in span{color:inherit;margin:0;font-size:1em}.poster .poster-in .poster-mark{color:#d7eafb;width:17.6em;height:27em;position:absolute;bottom:-5.5em;right:-2.2em}.poster .poster-in .poster-mark .logomark{display:block;width:100%!important;height:100%!important}.poster .poster-in .poster-mark svg{width:100%;height:100%;display:block}.poster .poster-in .poster-num{letter-spacing:-.04em;color:#cfe5f9;font-size:7.2em;font-weight:800;line-height:1;position:absolute;top:.12em;left:.32em}.poster .poster-in .poster-spot{width:40%;position:absolute;top:5.4em;bottom:2.6em;right:2.4em}.poster .poster-in .poster-fitbox{position:absolute;inset:0}.poster .poster-in .poster-fit{transform-origin:50%;width:max-content;position:absolute;top:50%;left:50%}.poster .poster-in .poster-fit .imat svg{max-width:none}.poster .poster-in .poster-txt{flex-direction:column;gap:.6em;width:17em;display:flex;position:absolute;top:8.2em;bottom:2.2em;left:2.6em;overflow:hidden}.poster .poster-in .poster-k{color:var(--sky);letter-spacing:.06em;text-transform:uppercase;flex:none;font-size:1.05em;font-weight:700;line-height:1.25}.poster .poster-in .poster-k i{opacity:.6;font-style:normal}.poster .poster-in .poster-t{color:var(--navy);font-size:var(--ts,2.6em);letter-spacing:-.015em;text-wrap:balance;overflow-wrap:break-word;flex:none;font-weight:800;line-height:1.06}.poster .poster-in .poster-logo{width:7.6em;position:absolute;top:1.7em;right:2.2em}.poster .poster-in .poster-logo img{width:100%;display:block}.poster .poster-in .poster-play{background:var(--navy);opacity:0;border-radius:50%;place-items:center;width:4.4em;height:4.4em;transition:opacity .15s;display:grid;position:absolute;bottom:2em;right:2.2em}.poster .poster-in .poster-play path{fill:#fff}.poster .poster-in:hover .poster-play,.poster .poster-in:focus-visible .poster-play{opacity:1}@media (hover:none){.poster .poster-in .poster-play{opacity:1;width:3.4em;height:3.4em}}@media (prefers-reduced-motion:reduce){.poster .poster-in .poster-play{transition:none}}.poster .poster-in .poster-bar{background:#d2e7fa;height:.45em;position:absolute;bottom:0;left:0;right:0}.poster .poster-in .poster-bar i{background:#a2c466;height:100%;display:block}.poster .poster-in.poster-ela .poster-num{color:#f8d9d5}.poster .poster-in .poster-logo{width:7.2em;top:1.9em;left:2.6em;right:auto}.poster .poster-in .poster-spot{width:45%;top:2.4em;bottom:2.2em;right:1.6em}.poster .poster-in .poster-txt{justify-content:center;gap:.45em;width:19.6em;top:5.6em;bottom:2.4em;left:2.6em}.poster .poster-in .poster-txt>.poster-k{margin-top:0}.poster .poster-in .poster-k{letter-spacing:.16em;font-size:1.15em}.poster .poster-in .poster-t{line-height:1.04}.poster .poster-in .poster-s{color:#4f6788;flex:none;margin-top:.25em;font-size:1.2em;font-weight:600;line-height:1.25}.poster .poster-in .poster-mark{bottom:-6em;right:-3em}.poster .poster-in .poster-fit .lp-word{box-shadow:none;min-width:0;color:var(--navy);background:0 0;border:0;padding:0 .1em;font-size:3.2em}.lp-words{flex-direction:column;gap:10px}.lp-word{min-width:150px;color:var(--navy);font:700 22px var(--book-font,inherit);text-align:center;background:#fff;border:2px solid #cfe0f5;border-radius:12px;padding:10px 18px;display:block;box-shadow:0 3px #cfe0f5}.lp-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:.6em;display:flex}.ld-mat .lp-row svg{width:auto;max-height:120px}.child-home{padding:48px 0 60px}.hi{color:var(--navy);letter-spacing:-.02em;font-size:52px;font-weight:700}.hi-sub{color:var(--muted);margin:8px 0 36px;font-size:21px}.continue{grid-template-columns:220px 1fr;align-items:center;gap:44px;margin-bottom:48px;padding:40px 54px;display:grid}.continue-main{flex-direction:column;align-items:flex-start;gap:18px;display:flex}.continue-main h2{font-size:44px;font-weight:700}.next-chip{background:#ffffff29;border-radius:12px;padding:10px 16px;font-size:18px}.continue-meter{text-align:center;flex-direction:column;align-items:center;gap:8px;display:flex}.continue-meter b{font-size:19px}.continue-meter span{color:var(--sun);font-weight:600}.path{grid-template-columns:repeat(8,1fr);gap:12px;margin:0 0 40px;padding:0;list-style:none;display:grid}.path-step{border:1.5px solid var(--line);width:100%;color:var(--ink);background:#fff;border-radius:20px;flex-direction:column;align-items:center;gap:10px;min-height:104px;padding:18px 8px;font-size:16px;font-weight:600;display:flex}.path-n{background:var(--tint);width:36px;height:36px;color:var(--navy);border-radius:50%;place-items:center;font-weight:700;display:grid}.path-step.done .path-n{background:var(--ok)}.path-step.current{background:var(--navy);border-color:var(--navy);color:#fff}.path-step.current .path-n{color:#fff;background:#ffffff2e}.path-step.locked,.path-step.soon{color:var(--muted)}.path-step small{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:11px;font-weight:600}.path-step:disabled{cursor:default}.home-grid{grid-template-columns:1fr 410px;gap:24px;display:grid}.my-books,.watch-next{padding:30px}.books-row{flex-wrap:wrap;gap:22px;display:flex}.my-book{text-align:center;flex-direction:column;align-items:center;gap:6px;width:160px;display:flex}.my-book b{font-size:17px}.my-book span{color:var(--muted);font-size:15px}.my-book .mastered{color:var(--ok);font-weight:600}.ask-book{aspect-ratio:210/270;border:2px dashed var(--line);background:var(--tint);text-align:center;width:160px;color:var(--navy);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:8px;font-size:15px;font-weight:500;display:flex}.ask-book span{font-size:34px;font-weight:300}.watch-next{flex-direction:column;gap:12px;display:flex}.wn-t{color:var(--ink);margin-top:8px;font-size:20px}.wn-m{color:var(--muted)}.wb-top .wrap{gap:18px}.wb-title{flex-direction:column;display:flex}.wb-title b{color:var(--navy);font-size:19px}.wb-title span{color:var(--muted);font-size:14px}@media (width<=1200px){.wb-top .wb-title{display:none}.wb-top .wrap{flex-wrap:wrap;gap:12px;height:auto;min-height:86px;padding:12px 0}}.save-chip{white-space:nowrap;color:var(--navy);background:var(--tint);text-align:center;border-radius:999px;min-width:150px;padding:10px 16px;font-size:15px;font-weight:600}.save-chip.idle{visibility:hidden}.save-chip.error{background:var(--no-bg);color:var(--no)}.wb{grid-template-columns:250px minmax(0,1fr) 250px;align-items:start;gap:28px;padding:28px 0 60px;display:grid}.wb-side{padding:24px 20px}.wb-parts{gap:4px;margin:14px 0 0;padding:0;list-style:none;display:grid}.wb-part{text-align:left;border-radius:14px;align-items:center;gap:12px;width:100%;padding:10px 12px;font-size:16px;font-weight:500;display:flex}.wb-part .n{background:var(--tint);width:28px;height:28px;color:var(--navy);border-radius:50%;flex:none;place-items:center;font-size:13px;font-weight:700;display:grid}.wb-part.done .n{background:var(--ok)}.wb-part.here{background:var(--navy);color:#fff;font-weight:600}.wb-part.here .n{color:#fff;background:#fff3}.wb-part:disabled{color:var(--muted);cursor:default}.wb-part small{text-transform:uppercase;color:var(--muted);margin-left:auto;font-size:11px}.wb-pages{flex-wrap:wrap;gap:6px;padding:8px 0 4px 52px;display:flex}.wb-pages a{background:var(--tint);min-width:34px;height:30px;color:var(--navy);border-radius:8px;place-items:center;font-size:13px;font-weight:600;display:grid}.wb-pages a.done{background:var(--ok-bg);color:var(--ok)}.wb-pages a.on{background:var(--sky);color:#fff}.wb-more{padding:10px 0 2px 52px}.wb-more-h{color:var(--muted);letter-spacing:.02em;margin-bottom:6px;font-size:12px;font-weight:600;display:block}.wb-more-pages{flex-wrap:wrap;gap:6px;display:flex}.wb-more-pages a{min-width:34px;height:30px;color:var(--navy);background:#fff;border:1.5px dashed #b9dcf3;border-radius:8px;place-items:center;font-size:13px;font-weight:600;display:grid}.wb-more-pages a:hover{border-color:var(--sky)}.wb-more-pages a.done{background:var(--ok-bg);color:var(--ok);border:1.5px solid #0000}.wb-more-pages a.on{background:var(--sky);color:#fff;border:1.5px solid var(--sky)}.wb-lesson{color:var(--navy);gap:8px;margin-top:22px;font-size:14px;font-weight:500;display:grid}.sheet{border-radius:var(--radius-card);box-shadow:var(--shadow-card);background:#fff;padding:32px 40px 34px}.sheet-head{border-bottom:2px solid var(--line);padding-bottom:18px}.sheet-head-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.part-pill{background:var(--tint);color:var(--sky);border:1.5px solid #cfe6f7;border-radius:999px;padding:6px 16px;font-size:15px;font-weight:700}.part-pill.extra{color:#8a6200;background:#fff8e6;border-color:#f6dd9c}.act-dots{flex-wrap:wrap;justify-content:flex-end;gap:6px;min-width:0;display:flex}.act-dots i{background:var(--line);border-radius:50%;flex:none;width:10px;height:10px}.act-dots i.past{background:var(--sky)}.act-dots i.on{background:var(--navy);border-radius:6px;width:26px}.sheet-title{color:var(--navy);margin:14px 0 0;font-size:34px;font-weight:700;line-height:1.15}.sheet-ins{color:var(--ink);margin:26px 0 22px;font-size:21px;font-weight:500}.qgrid{grid-template-columns:repeat(auto-fill, minmax(min(100%, var(--qmin,300px)), 1fr));gap:16px 24px;margin:0;padding:0;list-style:none;display:grid}.qrow{align-items:center;gap:14px;display:flex}.qn{color:var(--navy);flex:none;width:34px;font-size:24px;font-weight:700}.qcard-row{border:2px solid var(--line);border-radius:12px;flex-wrap:wrap;flex:1;align-items:center;gap:10px;min-height:74px;padding:10px 12px;display:flex}.qrow.ok .qcard-row{border-color:var(--ok);background:var(--ok-bg)}.qrow.no .qcard-row{border-color:var(--no);background:var(--no-bg)}.qsp{display:none}.eq{color:#1a1a1a;align-items:center;gap:10px;font-size:28px;font-weight:500;display:flex}.abox{border:2.5px solid var(--sky);background:var(--tint);width:50px;height:50px;color:var(--navy);border-radius:9px;place-items:center;font-size:28px;font-weight:700;display:grid}.abox.sel{border-color:var(--navy);box-shadow:0 0 0 4px #2698dd40}.abox.ok{border-color:var(--ok);color:var(--ok);background:#fff}.abox.no{border-color:var(--no);color:var(--no);background:#fff}.qbond-card{flex-direction:column;gap:8px;padding:12px}.qbond{width:170px;height:124px;position:relative}.qbond-lines{width:100%;height:100%;position:absolute;inset:0}.qbond-lines line{stroke:#8a8a8a;stroke-width:2px;vector-effect:non-scaling-stroke}.qbond>span{position:absolute}.qbond .bw{top:0;left:50%;translate:-50%}.qbond .ba{bottom:0;left:0}.qbond .bb{bottom:0;right:0}.bcircle,.abox.round{border-radius:50%;place-items:center;width:54px;height:54px;font-size:26px;font-weight:700;display:grid}.bcircle{color:#1a1a1a;background:#fff;border:2.5px solid #8a8a8a}.feedback{font-family:var(--font);border-radius:12px;margin-top:22px;padding:14px 18px;font-size:17px}.feedback.no{background:var(--no-bg);color:var(--no)}.feedback.ok{background:var(--ok-bg);color:var(--leaf-ink);font-weight:600}.play-stage{background:var(--tint) var(--pat-line);border:1px solid var(--line);border-radius:24px;margin:0 0 26px;padding:12px 12px 8px;position:relative}.play-stage svg{width:100%;height:auto;max-height:380px;display:block}.play-again{position:absolute;bottom:12px;right:14px}.learn-steps{gap:22px;display:grid}.learn-step{grid-template-columns:90px 300px 1fr;align-items:center;gap:18px;display:grid}.learn-label{color:var(--navy);letter-spacing:.06em;font-size:16px;font-weight:700}.learn-text{color:var(--navy);font-size:20px;line-height:1.4}.learn-sentence{color:var(--navy);flex-direction:column;font-size:34px;font-weight:700;display:flex}.read-aloud{cursor:pointer;border-radius:12px;transition:background-color .15s}.read-aloud .ra-btn{vertical-align:-6px;background:var(--tint);width:32px;height:32px;color:var(--sky);border:1.5px solid #cfe6f7;border-radius:50%;flex:none;place-items:center;margin-right:10px;display:inline-grid}.read-aloud:hover .ra-btn,.read-aloud .ra-btn:focus-visible,.read-aloud.reading .ra-btn{background:var(--sky);color:#fff;border-color:var(--sky)}.read-aloud.reading .ra-text{-webkit-box-decoration-break:clone;box-decoration-break:clone;background:#2698dd29;border-radius:6px;margin:0 -.22em;padding:.06em .22em}.takeaway.read-aloud .ra-btn{margin-right:8px}.takeaway{border:2px dashed var(--sky);text-align:center;color:var(--navy);border-radius:12px;margin-top:26px;padding:14px;font-size:19px;font-weight:700}.wb-right{grid-template-columns:minmax(0,1fr);align-content:start;gap:16px;min-width:0;display:grid}.qgrid>li,.qcard-row{min-width:0}.qcard-row{justify-content:center;column-gap:22px}.qcard-row>.eq{flex-wrap:nowrap}@media (width<=420px){.eq{gap:6px;font-size:24px}.abox{width:44px;height:44px;font-size:24px}.qrow{gap:8px}.qn{width:28px;font-size:20px}}.score-card{padding:22px}.score-big{color:var(--navy);margin:8px 0;font-size:28px;display:block}.score-card p{color:var(--muted);font-size:15px}.dots{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.dots i{background:var(--line);border-radius:50%;width:22px;height:22px}.dots i.filled{background:#b9dcf3}.dots i.ok{background:var(--ok)}.dots i.no{background:var(--no)}.pad{grid-template-columns:repeat(3,1fr);gap:10px;padding:16px;display:grid}.key{background:var(--tint);height:64px;color:var(--navy);touch-action:manipulation;border-radius:14px;place-items:center;font-size:26px;font-weight:700;display:grid}.key:active{background:#dceefb;transform:translateY(2px)}.key.fn{background:#e3f1fb}.overlay{z-index:60;background:#0e2a5273;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.lesson-dialog{background:#fff;border-radius:36px;width:min(1180px,100%);max-height:100%;overflow:auto;box-shadow:0 40px 80px -20px #051a4780}.ld-head{justify-content:space-between;align-items:center;padding:26px 30px 18px;display:flex}.ld-head h2{color:var(--navy);font-size:30px}.ld-close{background:var(--tint);width:46px;height:46px;color:var(--navy);border-radius:50%;place-items:center;display:grid}.ld-body{grid-template-columns:1fr 310px;align-items:start;gap:16px;padding:0 30px;display:grid}.ld-video{background:#fbf7ee var(--pat-line) repeat;aspect-ratio:16/9;border:1.5px solid var(--line);border-radius:24px;position:relative;overflow:hidden}.ld-video:has(video){background:#0b1f45;border:0}.ld-video iframe,.ld-video video{background:#0b1f45;border:0;width:100%;height:100%;position:absolute;inset:0}.ld-placeholder{grid-template-rows:auto 1fr auto;padding:5% 6% 0;display:grid;position:absolute;inset:0;container-type:inline-size}.ld-ph-logo{opacity:.9;position:absolute;top:5%;right:5%}.ld-ph-top{justify-items:start;gap:10px;display:grid}.ld-ph-pill{background:var(--sky);color:#fff;letter-spacing:.06em;text-transform:uppercase;border-radius:6px;padding:6px 12px;font-size:13px;font-weight:600}.ld-ph-t{color:var(--navy);font-size:clamp(22px,5cqw,40px);font-weight:700;line-height:1.1}.ld-stage{place-self:center;justify-items:center;gap:16px;display:grid}.ld-caption{color:var(--navy);text-align:center;background:#fff;border-radius:14px;max-width:90cqw;padding:10px 20px;font-size:clamp(14px,2.2cqw,19px);font-weight:600;box-shadow:0 6px 16px -8px #051a4740}.ld-mat{outline-offset:-10px;background:#f1e6cf;border-radius:22px;outline:2px dashed #96784659;padding:28px 44px}.ld-mat .bbar{animation:none}.ld-ph-bar{border-top:1.5px solid var(--line);color:var(--navy);background:#fff;align-items:center;gap:12px;margin:0 -7.2%;padding:12px 20px;font-size:15px;font-weight:600;display:flex}.ld-ph-play{background:var(--tint);width:34px;height:34px;color:var(--muted);border-radius:50%;place-items:center;display:grid}.ld-ph-soon{color:var(--muted);margin-left:auto;font-size:14px;font-weight:500}@media (width<=700px){.ld-ph-logo{display:none}.ld-mat .beads{margin:-16px -40px;display:block;transform:scale(.6)}.ld-mat{padding:10px 14px}.ld-caption{display:none}.ld-ph-bar{padding:8px 12px;font-size:13px}.ld-ph-soon{text-align:right;max-width:52%;font-size:12px;line-height:1.3}.ld-ph-pill{font-size:11px}.ld-foot{text-align:center;flex-direction:column;align-items:stretch;gap:12px;padding:18px 16px}}.ld-chapters{background:var(--tint);border-radius:24px;padding:22px 16px}.ld-chapters ol{gap:4px;margin:12px 0 0;padding:0;list-style:none;display:grid}.ld-chapters button{text-align:left;border-radius:14px;grid-template-columns:30px 1fr auto;align-items:center;gap:12px;width:100%;padding:10px 12px;font-size:15px;display:grid}.ld-chapters button:hover:not(.on){background:#fff}.ldc-n{border:1.5px solid var(--line);width:30px;height:30px;color:var(--navy);background:#fff;border-radius:50%;place-items:center;font-size:14px;font-weight:700;display:grid}.ldc-t{gap:1px;display:grid}.ldc-t small{letter-spacing:.06em;text-transform:uppercase;color:var(--sky);font-size:11px;font-weight:600}.ldc-t b{font-weight:600;line-height:1.25}.ld-chapters button.on .ldc-n{background:var(--sun);border-color:var(--sun);color:var(--sun-ink)}.ld-chapters button.on .ldc-t small{color:#bfe0f7}.ld-chapters button time{color:var(--muted);font-size:14px}.ld-chapters button.on{background:var(--navy);color:#fff}.ld-chapters button.on time{color:#cfe3f7}.ld-foot{color:var(--muted);justify-content:space-between;align-items:center;gap:20px;padding:20px 30px;display:flex}.parent{gap:22px;padding:36px 0 60px;display:grid}.parent-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.parent-head h1{color:var(--navy);letter-spacing:-.01em;font-size:32px}.learner-chips{flex-wrap:wrap;gap:10px;display:flex}.lchip{border:1.5px solid var(--line);color:var(--navy);background:#fff;border-radius:16px;align-items:center;gap:8px;padding:5px 16px 5px 5px;font-size:15px;font-weight:600;display:flex}.lchip .avatar{border-radius:11px}.lchip.on{background:var(--navy);color:#fff;border-color:var(--navy)}.lchip.on .avatar{color:var(--navy)!important}.lchip.add{color:var(--sky);border-style:dashed;padding:10px 16px}.parent-top{grid-template-columns:1.15fr 1fr;gap:20px;display:grid}.week-card{border-radius:28px;flex-direction:column;align-items:flex-start;gap:10px;padding:30px 32px;display:flex;position:relative;overflow:hidden}.week-card>*{max-width:92%}.week-card h2{font-size:24px;line-height:1.2}.week-card p{opacity:.9;font-size:15px;line-height:1.55}.week-btn{color:var(--navy);background:#fff}.stats{grid-template-columns:1fr 1fr;gap:14px;display:grid}.stat{background:linear-gradient(var(--acc-t), var(--acc-t)) padding-box;box-shadow:none;border:1px solid #0000;border-radius:22px;grid-template-rows:auto auto;grid-template-columns:auto 1fr;align-items:center;gap:2px 14px;padding:18px 20px;display:grid;position:relative;overflow:hidden}.stat:before{content:"";background:var(--acc);height:4px;position:absolute;inset:auto 0 0}.stat-ico{background:var(--acc);color:#fff;border-radius:13px;grid-row:1/3;place-items:center;width:42px;height:42px;display:grid}.stat b{color:var(--navy);font-size:26px;line-height:1.1}.stat b small{color:var(--muted);font-size:15px;font-weight:600}.stat>span:last-child{color:var(--muted);font-size:13.5px}.parent-mid,.parent-bottom{grid-template-columns:1fr 380px;gap:20px;display:grid}.book-progress,.minutes,.purchased{padding:30px}.bp-row{grid-template-columns:96px 1fr;align-items:center;gap:20px;margin-bottom:18px;display:grid}.bp-head{justify-content:space-between;align-items:center;gap:10px;display:flex}.bp-head b{font-size:16px}.tag{background:var(--tint);color:var(--navy);border-radius:999px;padding:5px 12px;font-size:13px;font-weight:600}.tag.ok{background:var(--ok-bg);color:var(--ok)}.segs{gap:4px;margin:12px 0 8px;display:flex}.segs i{background:#e3f1fb;border-radius:999px;flex:1;height:8px}.segs i.done{background:var(--leaf)}.segs i.cur{background:var(--sun)}.bp-main small{color:var(--muted);font-size:13px}.bars{justify-content:space-between;align-items:flex-end;height:150px;padding-top:6px;display:flex}.bar-col{flex-direction:column;align-items:center;gap:6px;width:36px;display:flex}.bar-v{color:var(--muted);font-size:13px;font-weight:600}.bar{background:#e3f1fb;border-radius:8px 8px 4px 4px;width:26px}.bar-d{color:var(--muted);font-size:12px;font-weight:600}.pc-row{grid-template-columns:44px 1fr auto;align-items:center;gap:14px;margin-bottom:18px;display:grid}.pc-row b{color:var(--navy);font-size:15px;display:block}.pc-row small{color:var(--muted);font-size:13px}.pc-row a{color:var(--sky);font-weight:600}.pc-check{background:var(--leaf);color:#fff;border-radius:12px;place-items:center;width:40px;height:40px;font-weight:700;display:grid}.suggest{background:#eaf5fd var(--pat-line);color:var(--ink);border:1px solid #d6eaf8;border-radius:24px;flex-direction:column;align-items:flex-start;gap:8px;padding:26px 28px;display:flex;position:relative;overflow:hidden}.suggest:before{content:"";background:var(--sky);width:6px;position:absolute;inset:0 auto 0 0}.suggest .eyebrow{color:var(--sky)}.suggest h2{color:var(--navy);font-size:20px}.suggest p{font-size:14px}.add-child{gap:10px;width:min(440px,100%);padding:30px;display:grid}.add-child h2{color:var(--navy);font-size:26px}.add-child label,.signin label{font-size:15px;font-weight:600}.add-child input,.signin input{font:inherit;border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;font-size:18px}.simple{gap:24px;padding:44px 0 60px;display:grid}.lesson-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;display:grid}.lesson-card{gap:6px;padding:14px;display:grid}.lesson-card span{color:var(--muted);font-size:14px}.les-level{gap:22px;display:grid}.les-level-head{border-bottom:2px solid var(--line);flex-wrap:wrap;align-items:center;gap:14px;padding-bottom:14px;display:flex}.les-level-badge{background:var(--navy);color:#fff;border-radius:999px;padding:7px 16px;font-size:15px;font-weight:700}.les-level-head h2{color:var(--navy);font-size:28px;font-weight:700}.les-course{gap:16px;display:grid}.les-course-h{color:var(--sky);margin:0;font-size:22px;font-weight:700}.les-skill{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;gap:18px;padding:22px;display:grid}.les-skill-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px;display:flex}.les-skill-head h4{color:var(--navy);margin:0;font-size:22px;font-weight:700}.les-skill-head span{color:var(--muted);font-size:15px}.les-part{gap:10px;display:grid}.les-skill .lesson-card{box-shadow:none;border:1px solid var(--line)}.lesson-card .les-n{color:var(--sky);letter-spacing:.04em;text-transform:uppercase;margin-bottom:2px;font-size:13px;font-weight:600;display:block}@media (width<=600px){.les-skill{padding:16px}.les-level-head h2{font-size:22px}}.prog-card{padding:30px}.prog-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.prog-list li{background:var(--tint);border-radius:14px;align-items:center;gap:16px;padding:14px 18px;font-size:18px;display:flex}.prog-list li b{color:var(--navy);margin-left:auto}.prog-list li.done b{color:var(--ok)}.prog-list li.soon,.prog-list li.locked{color:var(--muted)}.signin-wrap{place-items:center;min-height:100vh;padding:20px;display:grid}.signin{gap:14px;width:min(460px,100%);padding:36px;display:grid}.signin h1{color:var(--navy);font-size:28px}.err{color:var(--no)}@media (width<=1200px){.wb{grid-template-columns:minmax(0,1fr) 250px}.wb-side{display:none}.continue{grid-template-columns:180px 1fr}.continue-meter{display:none}.home-grid,.parent-mid,.parent-bottom,.parent-top{grid-template-columns:1fr}}@media (width<=1100px){.wb{grid-template-columns:minmax(0,1fr) 230px;gap:18px}.key{height:56px}}@media (width<=700px){.wb{grid-template-columns:minmax(0,1fr)}.wb-right{background:var(--page-bg);z-index:5;padding:10px 0;position:sticky;top:auto;bottom:0}.wb-right .score-card{display:none}.pad{grid-template-columns:repeat(6,1fr);gap:6px;padding:10px}.key{height:48px;font-size:22px}}@media (width<=860px){.sheet{padding:22px 18px 24px}.sheet-title{font-size:26px}.learn-step{grid-template-columns:1fr}.continue{grid-template-columns:1fr;padding:28px}.continue-book{width:160px}.path{grid-template-columns:repeat(4,1fr)}.hi{font-size:38px}.ld-body{grid-template-columns:1fr;padding:0 16px}.save-chip,.wb-title{display:none}}.continue .course-tile{background-color:var(--sky);box-shadow:none}.my-book .course-tile .course-tile-t{font-size:14px}.tools-card{padding:30px}.tools-reallife{min-height:56px;color:var(--navy);box-shadow:none;border-radius:8px;gap:4px;margin-top:20px;padding:20px 26px;text-decoration:none;display:grid}.tools-reallife b{font-size:22px}.tools-reallife span{color:var(--muted);font-size:17px}.tools-reallife:hover{border-color:var(--sky)}.ttabs{gap:8px;margin-bottom:10px;display:flex}.ttabs button{background:var(--tint);min-height:44px;color:var(--navy);border-radius:999px;padding:10px 20px;font-weight:600}.ttabs button.on{background:var(--navy);color:#fff}.tblurb{color:var(--muted);margin:6px 0 16px;font-size:16px}.tool{gap:16px;display:grid}.tmat{background:var(--tint) var(--pat-line) repeat;border-radius:22px;gap:12px;padding:16px;display:grid}.tlane{cursor:pointer;background:#fff;border:2.5px solid #0000;border-radius:16px;gap:6px;min-height:76px;padding:10px 14px;display:grid}.tlane.on{border-color:var(--sky);box-shadow:0 0 0 4px #2698dd26}.tlane.match{border-color:var(--ok)}.tlane-k{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-size:13px;font-weight:700}.tlane-k b{color:var(--navy);margin-left:6px;font-size:18px}.tlane-bars{flex-wrap:wrap;align-items:center;gap:4px;min-height:30px;display:flex}.tlane-empty{color:var(--muted);font-size:15px}.tplaced{border-radius:10px;padding:3px}.tplaced:hover{background:var(--no-bg)}.tbar{gap:0;display:inline-flex}.tmsg{background:var(--tint);color:var(--navy);text-align:center;border-radius:14px;padding:12px 16px;font-size:18px;font-weight:600}.tmsg.ok{background:var(--ok-bg);color:var(--leaf-ink)}.ttray{flex-wrap:wrap;gap:8px;display:flex}.ttray-bar{border:1.5px solid var(--line);background:#fff;border-radius:12px;align-items:center;gap:8px;padding:8px 10px;display:inline-flex}.ttray-bar b{color:var(--navy);min-width:18px;font-size:16px}.ttray-bar:hover:not(:disabled){border-color:var(--sky)}.ttray-bar:disabled{opacity:.35}.tactions{flex-wrap:wrap;gap:10px;display:flex}.fc-row{gap:20px;display:grid}.fc-row.two{grid-template-columns:1fr 1fr}.fc{background:var(--tint);border-radius:22px;justify-items:center;gap:12px;padding:18px;display:grid}.fc-pick{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.fc-pick button{width:40px;height:40px;color:var(--navy);border:1.5px solid var(--line);background:#fff;border-radius:10px;font-size:16px;font-weight:700}.fc-pick button.on{background:var(--navy);color:#fff;border-color:var(--navy)}.fc-inset{box-shadow:var(--shadow-card);background:#fff;border-radius:22px;padding:12px}.fc-inset svg{width:240px;height:240px;display:block}.fc-slice{fill:#fff;stroke:#0e2a52;stroke-width:2.5px;cursor:pointer;transition:fill .15s}.fc-slice:hover{fill:#fde3e5}.fc-slice.on{fill:#e23545}.fc-slice:focus{outline:none}.fc-slice:focus-visible{stroke:var(--sky);stroke-width:4px;outline:none}.fc-read{color:var(--navy);align-items:center;gap:14px;display:flex}.fc-read p{max-width:260px;font-size:17px;font-weight:500}.frac{justify-items:center;font-size:30px;font-weight:700;line-height:1;display:inline-grid}.frac i{background:var(--navy);border-radius:2px;width:34px;height:3px;margin:4px 0}.tdrawer-wrap{z-index:55;background:#0e2a5240;justify-content:flex-end;display:flex;position:fixed;inset:0}.tdrawer{background:#fff;outline:none;width:min(640px,100%);height:100%;padding:22px 26px 30px;animation:.2s ease-out tslide;overflow:auto;box-shadow:-20px 0 40px -20px #051a4766}.tdrawer-head{justify-content:space-between;align-items:center;display:flex}.tdrawer-head h2{color:var(--navy);font-size:26px}@keyframes tslide{0%{opacity:0;transform:translate(40px)}}@media (prefers-reduced-motion:reduce){.tdrawer{animation:none}}@media (width<=700px){.fc-row.two{grid-template-columns:1fr}.fc-inset svg{width:200px;height:200px}}.welcome{grid-template-columns:1.4fr 1fr;align-items:start;gap:24px;padding-top:40px;padding-bottom:60px;display:grid}.welcome-card{gap:14px;padding:44px;display:grid}.welcome-card h1{font-size:42px;line-height:1.1}.welcome-card p{opacity:.92;max-width:520px;font-size:18px}.welcome-form{gap:8px;margin-top:10px;display:grid}.welcome-form label{font-size:15px;font-weight:600}.welcome-row{flex-wrap:wrap;gap:10px;display:flex}.welcome-row input{min-width:200px;height:54px;font:inherit;color:var(--ink);border:0;border-radius:14px;flex:1;padding:0 18px;font-size:18px}.welcome-row input:focus-visible{outline:3px solid var(--sun);outline-offset:2px}.welcome-form .err{color:#ffd7d5}.welcome-next{padding:30px}.welcome-next ol{color:var(--ink);gap:12px;margin:14px 0 0;padding-left:20px;font-size:16px;line-height:1.45;display:grid}.welcome-next a{color:var(--sky);font-weight:600}@media (width<=860px){.welcome{grid-template-columns:1fr}.welcome-card{padding:28px}.welcome-card h1{font-size:32px}}.empty-skills{gap:8px;margin:28px 0 24px;padding:36px 40px;display:grid}.empty-skills h2{font-size:30px}.empty-skills p{opacity:.92;font-size:18px}.parent-badge{color:var(--navy);background:var(--tint);border:1px solid #e1eef9;border-radius:16px;align-items:center;gap:10px;padding:5px 14px 5px 5px;font-size:15px;font-weight:600;display:inline-flex}.parent-badge .mn-ico{border-radius:11px;width:34px;height:34px}.parent .section-h{align-items:center;gap:10px;margin-bottom:14px;font-size:19px;display:flex}.parent .section-h:before{content:none}.parent .book-progress,.parent .minutes,.parent .purchased{border-radius:24px;padding:24px 26px}.parent .eyebrow{font-size:11.5px}.parent .week-btn{min-height:44px;padding:10px 18px;font-size:14px}.parent .muted-note{font-size:13.5px}.seg-key{color:var(--muted);align-items:center;gap:6px;margin-top:6px;font-size:12px;display:flex}.seg-key i{border-radius:3px;width:10px;height:10px;margin-left:8px}.seg-key i:first-child{margin-left:0}.seg-key .k-done{background:var(--leaf)}.seg-key .k-cur{background:var(--sun)}.studio{gap:20px;padding:34px 0 60px;display:grid}.studio-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;display:flex}.studio-head h1{color:var(--navy);font-size:32px}.studio-head p{color:var(--muted);margin-top:4px;font-size:14.5px}.seg-tabs{background:#fff;border:1px solid #e3eef8;border-radius:16px;gap:4px;padding:4px;display:flex}.seg-tabs button{color:var(--navy);border-radius:12px;padding:9px 18px;font-size:14.5px;font-weight:600}.seg-tabs button.on{background:var(--navy);color:#fff}.studio-head .seg-tabs{flex-wrap:wrap;max-width:100%}@media (width<=600px){.studio-head .seg-tabs button{padding:8px 12px}}.studio-card{border-radius:24px;gap:14px;padding:22px 24px;display:grid}.studio-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.chips{flex-wrap:wrap;gap:6px;display:flex}.chips button{background:var(--tint);color:var(--navy);border:1px solid #e1eef9;border-radius:999px;padding:7px 14px;font-size:13.5px;font-weight:600}.chips button.on{background:var(--sky);color:#fff;border-color:var(--sky)}.skill-rows,.vid-rows{margin:0;padding:0;list-style:none;display:grid}.skill-rows li,.vid-rows li{border-top:1px solid #edf3f9;align-items:center;gap:14px;padding:14px 4px;display:flex}.skill-rows li:first-child,.vid-rows li:first-child{border-top:0}.sr-main{flex:1;gap:2px;min-width:0;display:grid}.sr-main b{color:var(--navy);font-size:15.5px}.sr-main small{color:var(--muted);font-size:13px}.sr-main code,.hint code{background:var(--tint);color:var(--navy);border-radius:6px;padding:1px 6px;font-size:12px}.sr-content{color:var(--muted);font-size:13px}.status{border-radius:999px;padding:5px 12px;font-size:12.5px;font-weight:700}.status.draft{color:#7a5600;background:#fff6e0}.status.published{color:var(--leaf-ink);background:#f2f7e8}.studio-empty,.studio-note{color:var(--muted);font-size:14px}.studio-form{align-content:start;gap:8px;display:grid}.studio-form label,.studio-form legend{color:var(--ink);margin-top:8px;font-size:14px;font-weight:600}.studio-form input:not([type=radio]),.studio-form select,.studio-form textarea{border:1.5px solid var(--line);width:100%;font:inherit;color:var(--ink);background:#fff;border-radius:12px;padding:11px 14px;font-size:15px}.studio-form input:focus-visible,.studio-form select:focus-visible,.studio-form textarea:focus-visible{border-color:var(--sky);outline:3px solid #2698dd4d}.studio-form .hint{color:var(--muted);font-size:12.5px}.studio-form .opt{color:var(--muted);font-weight:400}.studio-form .two{grid-template-columns:1fr 1fr;gap:12px;display:grid}.studio-form .err{color:var(--no);font-size:13.5px}.pub{border:0;grid-template-columns:1fr 1fr;gap:10px;margin:4px 0 0;padding:0;display:grid}.pub legend{grid-column:1/-1;margin-bottom:6px}.pub label{border:1.5px solid var(--line);cursor:pointer;border-radius:14px;gap:2px;margin:0;padding:12px 14px;display:grid}.pub label.on{border-color:var(--sky);background:var(--tint)}.pub input{opacity:0;position:absolute}.pub label b{color:var(--navy)}.pub label span{color:var(--muted);font-size:12.5px;font-weight:400}.ac-actions{justify-content:flex-end;gap:10px;margin-top:12px;display:flex}.vid-group{gap:4px;display:grid}.vid-group-head{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.vid-group-head .section-h{margin-right:auto}.vid-count{color:var(--muted);font-size:14px;font-weight:600}.vid-batch{background:var(--tint);color:var(--navy);border-radius:12px;gap:6px;padding:12px 14px;font-size:15px;display:grid}.vid-batch-bar{background:#dcebfb;border-radius:99px;height:8px;overflow:hidden}.vid-batch-bar i{background:var(--sky);height:100%;transition:width .2s;display:block}.vid-dot{background:var(--tint);width:32px;height:32px;color:var(--navy);border-radius:10px;flex:none;place-items:center;font-size:13px;font-weight:700;display:grid}.vid-dot.done{background:var(--leaf);color:#fff}.vid-rows label.btn{cursor:pointer}.vid-rows label.btn.busy{opacity:.7;cursor:progress}.vid-preview{border-radius:24px;gap:12px;width:min(900px,100%);padding:18px 20px 20px;display:grid}.vid-preview video{aspect-ratio:16/9;background:#0b1f45;border-radius:14px;width:100%}@media (width<=700px){.skill-rows li,.vid-rows li{flex-wrap:wrap}.studio-form .two,.pub{grid-template-columns:1fr}}.studio .section-h{margin:8px 0 2px;font-size:19px}.guide-start{text-align:left;background:var(--sky);color:#fff;border-radius:22px;align-items:center;gap:14px;width:100%;padding:14px 18px 14px 14px;transition:transform .15s;display:flex;box-shadow:inset 0 -4px #0000001f,0 12px 24px -10px #2698ddb3}.guide-start:hover{transform:translateY(-1px)}.guide-start>span:not(.guide-face){flex:1;gap:2px;min-width:0;display:grid}.guide-start b{font-size:20px}.guide-start small{opacity:.9;font-size:13.5px}.guide-face{background:var(--navy) var(--pat-bold);color:#fff;border-radius:50%;flex:none;place-items:center;width:52px;height:52px;display:grid;position:relative;box-shadow:0 0 0 3px #fff}.guide-face i{display:none}.guide-face.talk i{background:var(--sun);border-radius:3px;width:5px;animation:.7s ease-in-out infinite ztalk;display:block;position:absolute;bottom:-2px}.guide-face.talk i:first-of-type{height:10px;right:-8px}.guide-face.talk i:nth-of-type(2){height:16px;animation-delay:.15s;right:-15px}.guide-face.talk i:nth-of-type(3){height:9px;animation-delay:.3s;right:-22px}@keyframes ztalk{50%{transform:scaleY(.45)}}.guide-panel{border:2px solid var(--sky);padding:18px 20px 20px}.guide-head{align-items:center;gap:12px;display:flex}.guide-who{flex:1;margin-left:28px;display:grid}.guide-who b{color:var(--navy);font-size:19px}.guide-who small{color:var(--muted);font-size:13px}.guide-x{background:var(--tint);width:40px;height:40px;color:var(--navy);border-radius:50%;font-size:16px}.guide-say{background:var(--tint);color:var(--navy);border-radius:18px;min-height:92px;margin:16px 0 14px;padding:16px 18px;font-size:21px;font-weight:500;line-height:1.4;position:relative}.guide-say:before{content:"";border:9px solid #0000;border-top:0;border-bottom-color:var(--tint);position:absolute;top:-9px;left:22px}.guide-actions{flex-wrap:wrap;gap:10px;display:flex}.score-card.guided{display:none}.guide-hl{z-index:2;outline:4px solid var(--sky);outline-offset:4px;border-radius:12px;animation:1.6s ease-in-out infinite zpulse;position:relative;box-shadow:0 0 0 10px #2698dd29}.qrow.guide-hl{outline-offset:2px}@keyframes zpulse{50%{box-shadow:0 0 0 16px #2698dd0d}}@media (width<=700px){.guide-panel{padding:12px 14px 14px}.guide-say{min-height:0;margin:10px 0;padding:12px 14px;font-size:18px}.guide-start b{font-size:17px}}.voice-tools{flex:none;gap:8px;display:flex}.voice-sub{color:var(--sky);margin:14px 0 2px;font-size:14px;font-weight:600}.voice-line{font-weight:500}@keyframes mx-slide{0%{opacity:0;transform:translate(-26px)}to{opacity:1;transform:none}}@keyframes mx-pop{0%{opacity:0;transform:scale(.4)}70%{opacity:1;transform:scale(1.12)}to{transform:scale(1)}}@keyframes mx-up{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}@keyframes mx-draw{0%{stroke-dashoffset:1px}to{stroke-dashoffset:0}}@keyframes mx-shake{0%,to{transform:none}20%{transform:translate(-6px)}40%{transform:translate(5px)}60%{transform:translate(-4px)}80%{transform:translate(2px)}}@keyframes mx-glow{0%{box-shadow:0 0 #2e9e5b73}to{box-shadow:0 0 0 14px #2e9e5b00}}@keyframes mx-burst{0%{opacity:1;transform:translate(-50%,-50%)scale(.3)}70%{opacity:1}to{opacity:0;transform:translate(calc(-50% + var(--x)), calc(-50% + var(--y))) scale(1)}}@keyframes mx-badge{0%{opacity:0;transform:scale(.4)}14%{opacity:1;transform:scale(1.1)}24%{transform:scale(1)}82%{opacity:1}to{opacity:0}}.bbar{animation:.45s cubic-bezier(.2,.8,.2,1) both mx-slide;animation-delay:calc((var(--r,0) * 2 + var(--d,0)) * .26s + 80ms);align-items:center;display:inline-flex}.bd-l{stroke-dasharray:1;animation:.5s ease-out .1s both mx-draw}.bd-c{animation:.45s cubic-bezier(.2,.9,.3,1.3) both mx-pop;animation-delay:calc(var(--i,0) * .18s + .25s)}.pop-in{animation:.45s both mx-pop;animation-delay:calc(var(--i,0) * .35s + .2s)}.learn-step .bbar,.learn-step .bd-l,.learn-step .bd-c{animation:none}.qrow{animation:.35s ease-out both mx-up;animation-delay:calc(var(--i,0) * 45ms)}.aval{animation:.25s both mx-pop;display:inline-block}.abox.ok{animation:.4s both mx-pop}.abox.no{animation:.45s mx-shake}.qrow.ok .qcard-row{animation:.7s ease-out mx-glow}.feedback{animation:.3s ease-out both mx-up}.qbond .bw,.qbond .ba,.qbond .bb{animation:.35s both mx-pop}.qbond .ba{animation-delay:.1s}.qbond .bb{animation-delay:.18s}.cbar{cursor:pointer;border-radius:8px;position:relative}.cbar:hover{background:#2698dd1a}.cb{transition:transform .15s ease-out,filter .15s;display:inline-flex;position:relative}.cb.lit{filter:drop-shadow(0 0 3px #fec44bf2);transform:translateY(-3px)scale(1.14)}.cb-n{z-index:3;background:var(--navy);color:#fff;border-radius:10px;place-items:center;min-width:20px;height:20px;padding:0 5px;font-size:13px;font-weight:700;animation:.2s both mx-pop;display:grid;position:absolute;bottom:calc(100% + 2px);left:50%;translate:-50%}.cbar-total{z-index:2;border:2px solid var(--navy);min-width:24px;height:24px;color:var(--navy);background:#fff;border-radius:12px;place-items:center;padding:0 6px;font-size:14px;font-weight:700;animation:.3s both mx-pop;display:grid;position:absolute;top:50%;left:50%;translate:-50% -50%}.celebrate{pointer-events:none;z-index:60;place-items:center;display:grid;position:fixed;inset:0}.celebrate i{opacity:0;width:16px;height:16px;animation:1.4s cubic-bezier(.15,.7,.3,1) both mx-burst;animation-delay:calc(var(--k) * 40ms);border-radius:50%;position:absolute;top:50%;left:50%}.celebrate-badge{background:var(--sun);color:var(--sun-ink);border-radius:999px;padding:18px 34px;font-size:32px;font-weight:700;animation:2.6s both mx-badge;box-shadow:0 18px 40px -14px #a06e0099}.sound-btn{justify-content:center;width:48px;padding-left:0;padding-right:0}.sound-btn.off{color:var(--muted)}.ttray-bar.on{border-color:var(--navy);box-shadow:0 0 0 3px #134da026}.split-mat{gap:8px}.split-ref,.split-bar{background:#fff;border-radius:14px;padding:12px;overflow-x:auto}.split-bar{align-items:center;min-height:68px;padding-left:26px;display:flex}.split-seg{animation:.35s both mx-slide;animation-delay:calc(var(--i) * 40ms);align-items:center;display:inline-flex}.split-gap{z-index:1;border-radius:8px;flex:none;width:22px;height:46px;margin:0 -11px;transition:width .3s cubic-bezier(.2,.8,.2,1),margin .3s cubic-bezier(.2,.8,.2,1);position:relative}.split-gap:after{content:"";background:var(--navy);opacity:0;z-index:1;border-radius:2px;width:3px;transition:opacity .15s;position:absolute;top:4px;bottom:4px;left:50%;translate:-50%}.split-gap:hover:after,.split-gap:focus-visible:after{opacity:1}.split-gap.open{width:30px;margin:0}.split-gap.open:after{opacity:0}.split-gap.edge.open{width:44px;margin:0}.split-zero{color:#555;border:2px dashed #7a7a7a;border-radius:50%;place-items:center;width:34px;height:34px;font-weight:700;animation:.3s both mx-pop;display:grid;position:absolute;top:50%;left:50%;translate:-50% -50%}.split-bead svg circle{transition:fill .35s,stroke .35s}.split-out{background:var(--tint);border-radius:18px;flex-wrap:wrap;align-items:center;gap:26px;padding:14px 18px;animation:.35s both mx-up;display:flex}.split-sent{color:var(--navy);flex-direction:column;gap:6px;font-size:30px;font-weight:700;display:flex}.split-sent span{animation:.4s .45s both mx-pop}.split-sent span+span{animation-delay:.7s}.split-all{gap:6px;margin:0;padding:0;list-style:none;display:grid}.split-all li{animation:.3s both mx-up;animation-delay:calc(var(--i) * 90ms)}.split-all button{border:1.5px solid var(--line);width:100%;color:var(--navy);background:#fff;border-radius:12px;justify-content:space-between;align-items:center;gap:14px;padding:8px 14px;font-size:20px;font-weight:700;display:flex}.split-all li.on button{border-color:var(--sky);background:var(--tint)}.qrow.guide-hl,.bead-row.guide-hl{animation:1.6s ease-in-out infinite zpulse}.cbar.part{margin:0 3px;padding-bottom:7px}.cbar.part:after{content:"";background:var(--pc);border-radius:2px;height:4px;position:absolute;bottom:0;left:3px;right:3px}.abox.tone:not(.ok):not(.no){border-color:var(--pc);box-shadow:inset 0 -6px 0 color-mix(in srgb, var(--pc) 28%, transparent)}.abox.tone.sel:not(.ok):not(.no){box-shadow:inset 0 -6px 0 color-mix(in srgb, var(--pc) 28%, transparent), 0 0 0 4px #2698dd4d}.given-part{position:relative}.given-part:after{content:"";background:var(--pc);border-radius:2px;height:4px;position:absolute;bottom:-4px;left:-2px;right:-2px}.bcircle.tone{border-color:var(--pc)}.abox.tone.ok{border-color:var(--pc);background:var(--ok-bg);color:var(--ok);box-shadow:inset 0 -6px 0 color-mix(in srgb, var(--pc) 28%, transparent)}.qgrid>.qhead{grid-column:1/-1;margin-top:10px}.qhead-text{color:var(--navy);padding:4px 0;font-size:19px;font-weight:600}.qgrid>.qrow.wide{grid-column:1/-1}.qn{white-space:nowrap}.qrow.wide .qn{align-self:flex-start;margin-top:18px}.eq .w{color:var(--muted);font-size:22px;font-weight:500}.board-card{justify-content:flex-start;gap:18px 26px;padding:14px 16px}.board-side{gap:6px;display:grid}.board-whole{background:var(--navy);color:#fff;border-radius:999px;padding:6px 14px;font-size:18px;font-weight:700;display:inline-block}.board-tip{color:var(--muted);font-size:13.5px;line-height:1.35}.board{grid-template-columns:repeat(var(--cols), minmax(0, 62px));border:2px solid var(--navy);border-radius:12px;grid-auto-rows:minmax(46px,62px);max-width:100%;display:grid;overflow:hidden}.bcell{color:#1a1a1a;border-right:1.5px solid var(--line);background:#fff;place-items:center;font-size:26px;font-weight:700;display:grid}.bcell.top{background:var(--tint);color:var(--navy);border-bottom:2px solid var(--navy)}.bcell.end{border-right:0}.bcell.gap{background:#fffaf0}.bcell .abox{aspect-ratio:1;width:min(48px,88%);height:auto;font-size:24px}@media (width<=480px){.board-card{padding:12px 10px}.bcell{font-size:21px}.bcell .abox{font-size:20px}}.tiles{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.tiles-label{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;font-size:13px;font-weight:600}.tile{background:var(--sun);min-width:42px;height:42px;color:var(--sun-ink);border-radius:10px;place-items:center;padding:0 8px;font-size:22px;font-weight:700;display:grid;box-shadow:inset 0 -3px #0000001a}.make-card,.swap-card{gap:14px 24px}.make-lines{gap:12px;display:grid}.swap-card .qbond{width:150px;height:110px}.swap-card .qbond .bcircle{width:48px;height:48px;font-size:23px}.pairs-card{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));justify-items:start;gap:14px 30px;padding:14px 18px;display:grid}.pair-line .pair-n{color:var(--muted);width:26px;font-size:18px;font-weight:600}.strip-card{justify-content:flex-start;gap:16px 26px;padding:14px 16px}.strip{grid-template-columns:repeat(var(--cols), minmax(44px, 58px));border:2px solid var(--navy);border-radius:12px;grid-auto-rows:58px;max-width:100%;display:grid;overflow:hidden}.scell{color:var(--navy);background:var(--tint);border-right:1.5px solid var(--line);place-items:center;font-size:24px;font-weight:700;display:grid}.scell:last-child{border-right:0}.scell.gap{background:#fffaf0}.scell .abox{width:44px;height:44px;font-size:22px}@media (width<=760px){.strip{grid-template-columns:repeat(6,54px);grid-auto-rows:54px}}.yn-card{gap:14px 22px}.yn-pair{gap:10px;display:flex}.yn{border:2.5px solid var(--sky);min-width:84px;height:54px;color:var(--navy);background:#fff;border-radius:14px;padding:0 18px;font-size:22px;font-weight:700;transition:background-color .15s,transform .15s}.yn:hover{background:var(--tint)}.yn.on{background:var(--sky);color:#fff}.yn.on.ok{background:var(--ok);border-color:var(--ok)}.yn.on.no{background:var(--no-bg);color:var(--no);border-color:var(--no)}.match-card{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start;gap:10px clamp(28px,7vw,90px);padding:16px 18px;display:grid;position:relative}.match-lines{pointer-events:none;width:100%;height:100%;position:absolute;inset:0;overflow:visible}.match-lines line{stroke-width:4px;stroke-linecap:round}.match-col{justify-items:stretch;gap:12px;display:grid;position:relative}.match-h{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;text-align:center;font-size:13px;font-weight:600}.match-item{border:2px solid var(--line);background:#fff;border-radius:16px;place-items:center;min-height:112px;padding:8px;transition:border-color .15s,box-shadow .15s;display:grid}.match-item:hover{border-color:var(--sky)}.match-item.model.active{border-color:var(--mc);box-shadow:0 0 0 4px color-mix(in srgb, var(--mc) 22%, transparent)}.match-item.model{border-left:6px solid var(--mc)}.match-item.joined{border-color:var(--mc);box-shadow:0 0 0 3px color-mix(in srgb, var(--mc) 18%, transparent)}.match-item.bond .qbond{pointer-events:none;width:130px;height:96px}.match-item.bond .bcircle{width:42px;height:42px;font-size:20px}.match-item.sent{color:#1a1a1a;white-space:nowrap;padding:8px 6px;font-size:clamp(17px,2.1vw,24px);font-weight:700}.match-tip{text-align:center;color:var(--muted);grid-column:1/-1;margin-top:6px;font-size:15px}@media (width<=640px){.qrow.wide{flex-direction:column;align-items:stretch;gap:6px}.qrow.wide .qn{margin-top:0}.match-card{column-gap:16px;padding:12px 8px}.match-col{min-width:0}.match-item{min-height:84px;padding:4px;overflow:hidden}.match-item.model>*,.match-item.bond>*{zoom:.62}.match-item.sent{font-size:15px}.match-h{font-size:11px}}.note-card{background:var(--tint) var(--pat-line);border:1px solid var(--line);border-radius:20px;flex-wrap:wrap;align-items:center;gap:16px 28px;margin:0 0 22px;padding:16px 20px;display:flex}.note-card .qbond{width:150px;height:110px}.note-card .qbond .bcircle{width:48px;height:48px;font-size:23px}.note-text{flex:1;gap:6px;min-width:220px;display:grid}.note-say{color:var(--navy);font-size:19px;line-height:1.4}.note-eq{color:var(--navy);font-size:28px}.key-erase{justify-items:center;gap:1px;display:grid}.key-erase small{letter-spacing:.02em;font-size:12px;font-weight:700}.reset-btn{color:var(--muted)}.reset-ask{border:2px solid var(--no);gap:10px;padding:14px 16px;animation:.25s ease-out both mx-up;display:grid}.reset-ask p{color:var(--ink);margin:0;font-size:16px;font-weight:600}.reset-btns{flex-wrap:wrap;gap:8px;display:flex}.reset-yes{background:var(--no);color:#fff}.story-card{flex-flow:column;align-items:stretch;gap:14px;width:100%;display:flex}.story-text{color:var(--ink,#1d2b44);margin:0;font-size:clamp(17px,2.1vw,20px);line-height:1.5}.story-text b{color:var(--navy,#134da0);font-weight:700}.story-work{flex-wrap:wrap;justify-content:center;align-items:center;gap:14px 40px;display:flex}.story-bond{flex:none;width:160px;height:118px}.story-eq{white-space:nowrap}.story-answer{color:#4b6b22;background:#eef6e3;border-radius:999px;align-self:center;padding:4px 14px;font-size:16px;font-weight:700;animation:.35s both mx-pop}.lg{gap:22px;display:grid}.lg-level{gap:14px;display:grid}.lg-level-head{border-bottom:1.5px solid var(--line);flex-wrap:wrap;align-items:center;gap:12px;padding-bottom:10px;display:flex}.lg-badge{background:var(--navy);color:#fff;border-radius:999px;padding:5px 12px;font-size:13px;font-weight:700}.lg-level-head h3{color:var(--navy);margin:0;font-size:20px}.lg-course{gap:10px;display:grid}.lg-course-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:10px;display:flex}.lg-course-head h4{color:var(--sky);margin:0;font-size:16px;font-weight:700}.lg-note{color:var(--muted);font-size:13px}.lg-level-head .lg-note{margin-left:auto}.lg-sm .lg-level-head h3{font-size:17px}.lg-sm .lg-course-head h4{font-size:14.5px}.my-book .course-tile .course-tile-t{color:#fff}.story-scene{background:#f3faff;border-radius:16px;flex:none;margin:0;padding:6px 8px 8px}.story-scene svg{width:100%;max-width:520px;height:auto;max-height:190px;margin:0 auto;display:block;overflow:visible}.sc-item{cursor:pointer;outline:none}.sc-item .sc-art{transform-box:fill-box;transform-origin:50% 100%;transition:transform .18s}.sc-item:hover .sc-art,.sc-item:focus-visible .sc-art{transform:scale(1.1)}.sc-item:focus-visible .sc-art{filter:drop-shadow(0 0 3px #2698dd)}.sc-item.counted .sc-art{transform:translateY(-3px)}.sc-badge{transform-box:fill-box;transform-origin:50%;animation:.3s both mx-pop}.story-scene.solved .sc-art{animation:.5s both sc-hop;animation-delay:var(--d,0s)}@keyframes sc-hop{40%{transform:translateY(-8px)}to{transform:none}}.sc-cap{text-align:center;color:#5b6b82;justify-content:center;align-items:center;gap:8px;min-height:26px;font-size:14px;display:flex}.sc-cap b{color:var(--navy,#134da0);font-size:18px}.sc-clear{color:#134da0;font:inherit;cursor:pointer;background:#fff;border:0;border-radius:999px;padding:2px 10px;font-size:13px;box-shadow:0 0 0 1px #cfe3f5}@media (prefers-reduced-motion:reduce){.story-scene.solved .sc-art,.sc-badge{animation:none}}.wb-top .lbl-sm{display:none}@media (width<=640px){.wb-top .wrap{flex-wrap:nowrap;gap:8px;min-height:0;padding:10px 0}.wb-top .wrap>img,.wb-top .spacer,.wb-top .lbl{display:none}.wb-top .lbl-sm{display:inline}.wb-top .back,.wb-top .tools-btn,.wb-top .sound-btn{flex:none;justify-content:center;width:44px;height:44px;padding:0}.wb-top .lesson-btn{flex:none;height:44px;padding:0 14px;font-size:15px}.wb-top .wb-title{flex:1;min-width:0;display:flex}.wb-top .wb-title b{font-size:16px}.wb-top .wb-title span{font-size:12.5px}.wb-top .wb-title b,.wb-top .wb-title span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}}@media (width<=420px){.wb-top .wrap{gap:6px}.wb-top .back,.wb-top .tools-btn,.wb-top .sound-btn,.wb-top .lesson-btn{width:42px;height:42px;padding:0}.wb-top .lesson-btn .lbl-sm{display:none}.wb-top .lesson-btn svg{margin-left:3px}.wb-top .wb-title b{font-size:15px}}.sheet-head-row>.part-pill{white-space:nowrap;flex:none}main.mastered{place-items:center;padding:40px 16px 64px;display:grid}.mastered-card{text-align:center;justify-items:center;gap:14px;width:min(560px,100%);padding:44px 28px 32px;display:grid;position:relative;overflow:hidden}.mastered-badge{background:#a2c466;border-radius:50%;place-items:center;width:104px;height:104px;animation:.6s cubic-bezier(.2,.9,.3,1.3) both mx-pop;display:grid;box-shadow:0 0 0 10px #eef6e3}.mastered-eyebrow{color:#5e7f2c;letter-spacing:.08em}.mastered-title{color:var(--navy,#134da0);justify-content:center;margin:0;font-size:clamp(26px,5vw,34px)}.mastered-parts{flex-wrap:wrap;justify-content:center;gap:8px;margin:4px 0 6px;padding:0;list-style:none;display:flex}.mastered-parts li{color:#4b6b22;background:#eef6e3;border-radius:999px;align-items:center;gap:6px;padding:6px 14px;font-size:15px;font-weight:600;animation:.4s both mx-pop;display:inline-flex}.mastered-parts li:nth-child(2){animation-delay:.12s}.mastered-parts li:nth-child(3){animation-delay:.24s}.mastered-parts li:nth-child(4){animation-delay:.36s}.mastered-parts .tick{color:#fff;background:#a2c466;border-radius:50%;place-items:center;width:20px;height:20px;font-size:12px;display:grid}.next-skill{background:#f3faff;border:1.5px solid #d6eaf8;border-radius:16px;justify-items:center;gap:6px;width:100%;margin-top:6px;padding:20px 16px;display:grid}.next-title{color:var(--navy,#134da0);font-size:22px}.next-place{color:#5b6b82;margin-bottom:8px;font-size:14px}.mastered-burst{pointer-events:none;width:0;height:0;position:absolute;top:96px;left:50%}.mastered-burst i{border-radius:50%;width:10px;height:10px;animation:1.4s ease-out both ms-burst;position:absolute}@keyframes ms-burst{0%{opacity:1;transform:translate(0)scale(.4)}to{transform:translate(var(--x), var(--y)) scale(1);opacity:0}}@media (prefers-reduced-motion:reduce){.mastered-burst,.mastered-badge,.mastered-parts li{animation:none}.mastered-burst{display:none}}.my-book{border-radius:18px;gap:10px;width:168px;padding:0 0 4px}.my-book .course-tile{aspect-ratio:1}.mb-parts{grid-template-columns:repeat(4,1fr);gap:4px;width:100%;padding:0 4px;display:grid}.mb-parts i{background:#e3f1fb;border-radius:999px;height:8px}.mb-parts i.done{background:#a2c466}.mb-parts i.current{background:var(--sky,#2698dd)}.my-book .mb-status{color:var(--navy,#134da0);font-size:15px;font-weight:600}.my-book .mb-status.mastered{color:#4b6b22;background:#eef6e3;border-radius:999px;padding:3px 12px}.ask-book{aspect-ratio:1;aspect-ratio:auto;border-radius:16px;align-self:flex-start;width:168px;height:168px;font-size:14px}.my-book.soon{cursor:default}.soon-tile{box-shadow:none;aspect-ratio:1;background:#e3f1fb}.soon-tile .course-tile-t,.my-book .soon-tile .course-tile-t{color:#134da0;font-size:14px}.my-book.soon .mb-status{color:#5b6b82;font-weight:500}.soon-chip{color:#134da0;background:#e3f1fb;border-radius:6px;padding:6px 14px;font-size:15px;font-weight:600;display:inline-block}.home-grid>:only-child{grid-column:1/-1}.sl{gap:22px;display:grid}.sl-level-head{border-bottom:1.5px solid var(--line);flex-wrap:wrap;align-items:center;gap:12px;padding-bottom:12px;display:flex}.sl-level-head h3{color:var(--navy);margin:0;font-size:18px}.sl-count{color:var(--muted);margin-left:auto;font-size:14px}.sl-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.sl-item{border:1.5px solid var(--line);background:#fff;border-radius:16px;overflow:hidden}.sl-item.open{border-color:#bfddf3;box-shadow:0 6px 18px -12px #134da059}.sl-item.soon{background:#f7fafd}.sl-row{width:100%;font:inherit;text-align:left;color:var(--navy);cursor:pointer;background:0 0;border:0;align-items:center;gap:14px;min-height:60px;padding:14px 16px;display:flex}.sl-item.soon .sl-row{cursor:default;color:#5b6b82}.sl-ic{width:32px;height:32px;color:var(--navy);background:#e3f1fb;border-radius:50%;flex:none;place-items:center;font-size:14px;font-weight:700;display:grid}.sl-item.mastered .sl-ic{background:#a2c466}.sl-item.open:not(.mastered) .sl-ic{background:var(--sky);color:#fff}.sl-t{flex:1;font-size:17px;font-weight:700}.sl-item.soon .sl-t{font-weight:500}.sl-chip{color:var(--navy);white-space:nowrap;background:#e3f1fb;border-radius:999px;padding:4px 12px;font-size:13.5px;font-weight:600}.sl-chip.ok{color:#4b6b22;background:#eef6e3}.sl-chip.now{color:#7a5a00;background:#fff4d6}.sl-chip.soon{color:#8794a6;background:0 0;font-weight:500}.sl-chev{color:#8794a6;flex:none;transition:transform .2s}.sl-item.open .sl-chev{transform:rotate(180deg)}.sl-panel{justify-items:start;gap:12px;padding:4px 16px 16px 62px;display:grid}.sl-parts{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:8px;width:100%;margin:0;padding:0;list-style:none;display:grid}.sl-pt{white-space:nowrap}.sl-part{border:1.5px solid var(--line);width:100%;font:inherit;color:var(--navy);cursor:pointer;text-align:left;background:#fff;border-radius:12px;align-items:center;gap:10px;padding:10px 12px;display:flex}.sl-part:disabled{cursor:default;color:#8794a6;background:#f7fafd}.sl-part.current{border-color:var(--sky);background:#f3faff}.sl-pn{background:#e3f1fb;border-radius:50%;flex:none;place-items:center;width:24px;height:24px;font-size:12px;font-weight:700;display:grid}.sl-part.done .sl-pn{background:#a2c466}.sl-part.current .sl-pn{background:var(--sky);color:#fff}.sl-pt{flex:1;font-size:15px;font-weight:600}.sl-ps{color:var(--muted);font-size:12.5px}.sl-part.done .sl-ps{color:#4b6b22}@media (width<=560px){.sl-panel{padding-left:16px}.sl-row{gap:10px;padding:12px}.sl-t{font-size:15.5px}}.my-books{padding:22px 24px}.my-books .section-h{margin-bottom:10px}.sl-row{min-height:52px;padding:10px 14px}.sl-ic{width:28px;height:28px}.sl-panel{gap:10px;padding:0 14px 14px 56px}.sl-part{padding:8px 10px}.sl-go{padding-block:8px}.cl-parts{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.cl-part{font:inherit;cursor:pointer;color:#fff;background:#ffffff24;border:0;border-radius:999px;align-items:center;gap:8px;padding:8px 14px 8px 8px;font-size:15px;font-weight:600;display:inline-flex}.cl-part:disabled{cursor:default;opacity:.55}.cl-part.current{color:var(--navy);background:#fff}.cl-n{background:#fff3;border-radius:50%;place-items:center;width:24px;height:24px;font-size:12px;font-weight:700;display:grid}.cl-part.done .cl-n{color:#fff;background:#a2c466}.cl-part.current .cl-n{background:var(--sky);color:#fff}.continue-main{gap:14px}.cl-parts{flex-flow:column;gap:6px;width:min(340px,100%)}.cl-part{border-radius:12px;width:100%;padding:8px 12px 8px 8px}.sl-parts{grid-template-columns:1fr;gap:6px;max-width:360px}.continue.path-panel{flex-direction:column;align-items:flex-start;gap:0;padding:32px 44px 36px;display:flex}.path-panel h2{margin:6px 0 22px;font-size:clamp(28px,4vw,38px)}.pp{align-items:flex-start;width:100%;margin:0 0 28px;padding:0;list-style:none;display:flex}.pp-step{flex:none;align-items:flex-start;display:flex}.pp-step+.pp-step{flex:1}.pp-line{background:#fff3;border-radius:6px;flex:1;min-width:20px;height:6px;margin:37px 10px 0}.pp-line.done{background:#a2c466}.pp-stone{color:#fff;width:120px;font:inherit;cursor:pointer;background:0 0;border:0;flex-direction:column;align-items:center;gap:10px;padding:0;display:flex}.pp-stone:disabled{cursor:default}.pp-c{border:4px solid #ffffff4d;border-radius:50%;place-items:center;width:80px;height:80px;font-size:30px;font-weight:800;transition:transform .15s;display:grid}.pp-stone:not(:disabled):hover .pp-c{transform:scale(1.06)}.pp-stone b{font-size:16px;font-weight:600}.pp-step.done .pp-c{background:#a2c466;border-color:#a2c466}.pp-step.current .pp-c{color:var(--navy);border-color:var(--sun);background:#fff;box-shadow:0 0 0 8px #fec44b59}.pp-step.locked .pp-c,.pp-step.soon .pp-c{color:#ffffff80;background:#ffffff14}.pp-step.locked b,.pp-step.soon b{opacity:.55}@media (width<=700px){.continue.path-panel{padding:24px 18px 26px}.pp-stone{gap:8px;width:70px}.pp-c{border-width:3px;width:52px;height:52px;font-size:20px}.pp-c svg{width:20px;height:20px}.pp-line{min-width:6px;height:5px;margin:23px 2px 0}.pp-stone b{text-align:center;font-size:12.5px}.pp-step.current .pp-c{box-shadow:0 0 0 5px #fec44b59}}.qrow.qitem{align-items:flex-start}.qrow.qitem .qn{margin-top:14px}.item{border:2px solid var(--line);border-radius:12px;flex-direction:column;flex:1;gap:12px;min-width:0;min-height:74px;padding:10px 12px;display:flex}.qrow.ok .item{border-color:var(--ok);background:var(--ok-bg)}.qrow.no .item{border-color:var(--no);background:var(--no-bg)}.item-model{justify-content:center;display:flex}.item-prompt{color:#1a1a1a;margin:0;font-size:24px;font-weight:500;line-height:1.9}.item-prompt .ra-text{display:inline}.item-line{display:block}.item-prompt.lines .item-line:not(:first-child){background:var(--tint);border-radius:10px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 12px;width:max-content;max-width:100%;margin-top:8px;padding:6px 10px;font-size:21px;line-height:1.3;display:flex}.item-box{vertical-align:middle;margin:0 6px;display:inline-block}.item-box .abox{width:auto;min-width:50px;padding:0 8px}.item-gap{vertical-align:middle;border-bottom:3px solid var(--sky);min-width:64px;height:44px;color:var(--navy);place-items:center;margin:0 6px;padding:0 10px;font-weight:700;line-height:1;display:inline-grid}.item-gap.filled{border-bottom-color:var(--navy)}.item-seqline{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.item-seqcol{flex-direction:column;align-items:flex-start;gap:6px;min-width:0;display:flex}.item-seqlead{color:var(--navy);font-size:22px;font-weight:700;line-height:1.3}.item-seqline .item-say .ra-text{display:none}.item-seqline .scell.gap .item-box{margin:0}.item-seqline .scell.gap .abox{min-width:44px;height:44px}.item-choices{flex-wrap:wrap;gap:10px;display:flex}.yn.ch{flex-direction:column;justify-content:center;align-items:center;gap:4px;height:auto;min-height:54px;display:inline-flex}.yn.ch-short{min-width:58px}.yn.ch-drawn{min-width:110px;padding:10px 12px 8px}.yn.ch-drawn.on{background:var(--tint);color:var(--navy);box-shadow:inset 0 0 0 2px var(--sky)}.yn.ch-drawn.on.ok{background:var(--ok-bg);color:var(--ok);border-color:var(--ok)}.yn.ch-drawn.on.no{background:var(--no-bg)}.ch-letter{font-size:18px;font-weight:800}.ch-word{font-size:15px;font-weight:600}.seq{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px;display:flex}.seq-slot{border:2.5px dashed var(--sky);background:var(--tint);border-radius:12px;place-items:center;width:56px;height:56px;display:grid}.seq-slot.on{border-style:solid}.seq-slot.ok{border-color:var(--ok)}.seq-slot.no{border-color:var(--no)}.seq-undo{background:var(--tint);width:44px;height:44px;color:var(--navy);border-radius:12px;place-items:center;display:grid}.seq-undo:disabled{opacity:.4}.think{justify-items:start;gap:8px;display:grid}.think-list{gap:6px;width:100%;margin:0;display:grid}.think-list div{background:var(--tint);border-radius:10px;grid-template-columns:150px 1fr;gap:10px;padding:8px 12px;display:grid}.think-list dt{color:var(--navy);font-size:15px;font-weight:700}.think-list dd{margin:0;font-size:16px}.clockset{border-radius:12px;flex-wrap:wrap;align-items:center;gap:18px;padding:6px;display:flex}.clockset.ok{box-shadow:inset 0 0 0 2px var(--ok)}.clockset.no{box-shadow:inset 0 0 0 2px var(--no)}.clockset-ctrls{gap:10px;display:grid}.clockset-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.clockset-row>span{width:92px;color:var(--muted);font-size:14px;font-weight:600}.clockset-row b{text-align:center;min-width:34px;color:var(--navy);font-size:26px;font-weight:700}.cs-btn{background:var(--tint);width:48px;height:48px;color:var(--navy);border-radius:12px;font-size:26px;font-weight:700}.cs-pill{border:2.5px solid var(--sky);color:var(--navy);font:700 14px var(--font);background:#fff;border-radius:14px;padding:10px 14px}.cs-pill.on{background:var(--sky);color:#fff}.colour-grid{border-radius:12px;grid-template-columns:repeat(10,44px);gap:8px;width:max-content;max-width:100%;padding:8px;display:grid}.colour-grid.ok{box-shadow:inset 0 0 0 2px var(--ok)}.colour-grid.no{box-shadow:inset 0 0 0 2px var(--no)}.cc{border:2.5px solid var(--sky);background:#fff;border-radius:50%;width:44px;height:44px;transition:background-color .12s,transform .12s}.cc.on{background:var(--sky);border-color:var(--navy)}.cc:active{transform:scale(.92)}.gfill{border-radius:12px;gap:8px;padding:6px;display:grid;overflow-x:auto}.gfill.ok{box-shadow:inset 0 0 0 2px var(--ok)}.gfill.no{box-shadow:inset 0 0 0 2px var(--no)}.gfill-row{align-items:center;gap:6px;display:flex}.gfill-label{text-transform:capitalize;width:140px;color:var(--navy);flex:none;align-items:center;gap:8px;font-weight:600;display:flex}.gfill-label .imat-sm{width:40px;min-width:0;height:40px;min-height:0;padding:2px}.gcell{border:2.5px solid var(--sky);background:var(--tint);border-radius:9px;flex:none;width:40px;height:40px}.gcell.on{background:var(--sky);border-color:var(--navy)}.mnum{grid-template-columns:auto auto;justify-content:center;gap:10px;display:grid}.mnum-row{grid-column:1/-1;grid-template-columns:subgrid;background:var(--tint);border-radius:12px;align-items:center;gap:14px;padding:8px;display:grid}.mnum-row>.imat{justify-self:center}.mnum-pick{flex-wrap:wrap;gap:8px;display:flex}.mnum.ok .mnum-row{background:var(--ok-bg)}.example-card{background:var(--tint) var(--pat-line);border:1px solid var(--line);border-radius:20px;margin:0 0 22px;padding:16px 20px}.ex-steps{gap:10px;margin:10px 0 0;padding:0;list-style:none;display:grid}.ex-steps li{grid-template-columns:34px 1fr auto;align-items:center;gap:12px;display:grid}.ex-n{background:var(--navy);color:#fff;border-radius:50%;place-items:center;width:30px;height:30px;font-size:15px;font-weight:700;display:grid}.ex-maths{color:var(--navy);border:1.5px solid var(--line);white-space:nowrap;background:#fff;border-radius:10px;padding:6px 12px;font-size:20px;font-weight:700}.takeaway.remember{margin:0 0 22px}.page-figure{justify-content:center;margin:0 0 22px;display:flex}.learn-hero{justify-content:center;margin:4px 0 26px;display:flex}.learn-step.no-visual{grid-template-columns:90px 1fr}.learn-maths{color:var(--navy);font-size:28px;font-weight:700}.learn-step.maths-step{grid-template-columns:90px minmax(120px,auto) 1fr}.learn-step.maths-step .learn-visual{justify-self:start}.learn-step.maths-step .learn-maths{border:1.5px solid var(--line);box-shadow:0 3px 0 var(--line);background:#fff;border-radius:14px;padding:6px 16px;display:inline-block}@media (width<=700px){.ex-steps li{grid-template-columns:30px 1fr auto;gap:8px}.ex-steps .ra-btn{display:none}.ex-maths{padding:4px 10px;font-size:18px}.think-list div{grid-template-columns:1fr}.colour-grid{grid-template-columns:repeat(5,44px)}.item-prompt{font-size:21px}}.imat{place-items:center;display:inline-grid}.imat-todo{border:2px dashed var(--line);background:var(--tint);min-width:120px;min-height:64px;color:var(--muted);text-align:center;border-radius:12px;gap:4px;padding:10px 14px}.imat-todo.imat-lg{min-width:260px;min-height:130px}.imat-todo.imat-sm{min-width:70px;min-height:48px;padding:6px 8px}.imat-tag{letter-spacing:.06em;text-transform:uppercase;font-size:11px;font-weight:700}.imat-val{font:600 15px var(--book-font);color:var(--ink);overflow-wrap:anywhere;max-width:340px}.imat-sm .imat-val{font-size:13px}.pp.many{flex-wrap:wrap;row-gap:18px}.pp.many .pp-step+.pp-step{flex:none}.pp.many .pp-line{flex:0 0 22px;min-width:22px;margin:25px 4px 0}.pp.many .pp-stone{width:74px}.pp.many .pp-c{border-width:3px;width:56px;height:56px;font-size:22px}.pp.many .pp-c svg{width:22px;height:22px}.pp.many .pp-stone b{font-size:13px;line-height:1.25}.pp.many .pp-step.current .pp-stone{width:150px}.pp.many .pp-step.current .pp-c{box-shadow:0 0 0 6px #fec44b59}.item-prompt.read-aloud{display:block}.item-prompt .ra-btn{vertical-align:middle;margin-right:8px;display:inline-grid}.item-seqline .strip{background:#ebcb9c;border:2px solid #bf925a;border-radius:12px;flex-wrap:wrap;gap:4px;width:max-content;max-width:100%;padding:7px;display:flex}.item-seqline .scell{width:50px;height:50px;color:var(--navy);background:#fff;border:1px solid #d8cdb8;border-radius:6px;flex:none;font-size:22px;box-shadow:0 2px #a87a4073}.item-seqline .scell.gap{box-shadow:none;background:#fff;border:0}.item-seqline .scell.gap .abox{border:2px dashed var(--sky);background:#fff;border-radius:6px;width:50px;min-width:0;height:50px}.item-seqline .scell.gap .abox.sel{border-style:solid}.item-prompt .item-line:first-child{display:inline}.item-seqline .scell.gap .abox.ok{border:2.5px solid var(--ok);background:var(--ok-bg)}.item-seqline .scell.gap .abox.no{border:2.5px solid var(--no);background:var(--no-bg)}.imat svg{max-width:100%;height:auto}.imat-letter{color:var(--navy);min-width:22px;font-size:20px;font-weight:800}.imat-plus{color:var(--navy);font-size:30px;font-weight:700}.imat-ten{background:#fbf4e8;border:2px solid #bf925a;border-radius:12px;padding:6px}.imat-q{border:2.5px dashed var(--sky);width:44px;height:44px;color:var(--sky);border-radius:10px;place-items:center;font-size:22px;font-weight:800;display:inline-grid}.workmat .wm-mat{touch-action:none;background:#f4ecdd;border:2px solid #e2d3b5;border-radius:18px;height:clamp(300px,100vh - 420px,680px);position:relative;overflow:hidden;box-shadow:inset 0 0 0 7px #f4ecdd,inset 0 0 0 9px #e8dbc2}.wm-empty{text-align:center;color:#8a7a5c;place-items:center;padding:20px;font-weight:600;display:grid;position:absolute;inset:0}.wm-piece{cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;background:0 0;border-radius:10px;padding:4px;position:absolute}.wm-piece:active{cursor:grabbing}.wm-piece svg{pointer-events:none;display:block}.wm-piece{-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;place-items:center;min-width:44px;min-height:44px;display:grid}.wm-piece.wm-board{padding:0}.wm-piece.wm-fit{pointer-events:none;min-width:0;min-height:0;padding:0}.wm-piece.wm-fit svg .hit{pointer-events:visiblePainted;cursor:grab}.wm-piece.wm-fit.on{outline:none}.wm-piece.wm-fit.on svg .hit{stroke:var(--navy);stroke-width:3.2px}.wm-piece.wm-beadFrame,.wm-piece.wm-largeFrame{cursor:pointer}.wm-piece.wm-snap{min-width:0;min-height:0;padding:0}.wm-piece.wm-snap:before{content:"";position:absolute;inset:min(0px,50% - 22px)}.wm-piece.wm-fit svg .hit.knob{pointer-events:all}.wm-piece.wm-fit.on svg .hit.knob{stroke:none}.wm-piece.glide{transition:left .24s ease-out,top .24s ease-out}.wm-work{place-items:center;display:grid;position:absolute;inset:6px}.wm-worksvg{touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;width:100%;height:100%;display:block}.wm-worksvg [role=button],.wm-worksvg [data-part],.wm-worksvg [data-slot],.wm-worksvg [data-card],.wm-worksvg [data-form]{cursor:pointer}.wm-worksvg .wm-grab{cursor:grab}.wm-worksvg :focus{outline:none}.wm-worksvg :focus-visible>:first-child,.wm-worksvg .wm-hitbox:focus-visible{stroke:var(--navy);stroke-width:3px}.wm-worksvg .nudge{animation:.38s ease-in-out wm-nudge}@keyframes wm-nudge{0%,to{transform:translate(0)}30%{transform:translate(-5px)}70%{transform:translate(5px)}}@media (prefers-reduced-motion:reduce){.wm-piece.glide{transition:none}.wm-worksvg .nudge{animation:none}}.wm-piece:focus-visible{outline:3px solid var(--navy);outline-offset:2px}.wm-piece.on{outline-offset:3px;outline:3px solid #5baee1}.wm-zoom{pointer-events:none;display:block;position:relative}.wm-zoom>span{transform-origin:50%;width:max-content;display:inline-flex;position:absolute;top:50%;left:50%}.wm-bar{flex-wrap:wrap;align-items:center;gap:8px 16px;display:flex}.wm-hint{color:var(--muted);flex:240px;margin:0;font-size:15px;font-weight:500;line-height:1.35}.wm-acts{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.wm-btn{border:1.5px solid var(--line);min-height:48px;color:var(--navy);font:600 15px var(--font);cursor:pointer;white-space:nowrap;touch-action:manipulation;background:0 0;border-radius:12px;align-items:center;gap:8px;padding:0 14px;display:inline-flex}.wm-btn:hover:not(:disabled){background:var(--tint);border-color:#5baee1}.wm-btn:active:not(:disabled){border-color:var(--navy)}.wm-btn:disabled{opacity:.4;cursor:default}.wm-workacts{display:contents}.wm-size{text-align:center;min-width:46px;font:600 13px var(--font);color:var(--muted);font-variant-numeric:tabular-nums}.wm-x{z-index:4;border:2px solid var(--navy);width:28px;height:28px;color:var(--navy);cursor:pointer;touch-action:manipulation;background:#fff;border-radius:50%;place-items:center;padding:0;display:grid;position:absolute}.wm-x:before{content:"";position:absolute;inset:-8px}.wm-x:hover{background:var(--tint)}.wm-mark{z-index:3;border:2px dashed var(--navy);pointer-events:none;background:#134da00f;border-radius:6px;position:absolute}.wm-worksvg .wk-piece{cursor:grab;touch-action:none}.wm-worksvg .wk-piece:active{cursor:grabbing}.wm-worksvg .wk-x{cursor:pointer}.wm-worksvg .wk-free-bg{cursor:crosshair}.lr .workmat.wm-compact .wm-bar.wm-docked{z-index:auto;box-shadow:none;scrollbar-width:thin;background:#fff;border-bottom:1px solid #dce8f5;border-radius:0;flex:none;align-items:center;gap:4px;padding:4px 8px;display:flex;position:static;inset:auto;overflow-x:auto}.lr .workmat.wm-compact .wm-bar.wm-docked .wm-hint{display:none}.lr .workmat.wm-compact .wm-bar.wm-docked .wm-acts{flex:auto;justify-content:flex-start;align-items:center;gap:4px}.lr .workmat.wm-compact .wm-bar.wm-docked .wm-btn{min-width:44px;min-height:44px}.lr .workmat.wm-compact .wm-bar.wm-docked .wm-workacts .wm-btn{border:1.5px solid #dce8f5;gap:6px;padding:0 12px;font-size:14px}.lr .workmat.wm-compact .wm-bar.wm-docked .wm-workacts .wm-btn.primary{border-color:var(--navy);background:var(--navy);color:#fff}.lr .workmat.wm-compact .wm-bar.wm-docked .wm-workacts .wm-btn.primary:hover:not(:disabled){background:#0f4189;border-color:#0f4189}.lr .workmat.wm-compact .wm-bar.wm-docked .wm-seg button{min-height:44px;padding:0 12px;font-size:14px}.wm-gap{flex:8px}.lr .workmat.wm-compact .wm-bar.wm-docked .wm-workacts>*{order:2}.lr .workmat.wm-compact .wm-bar.wm-docked .wm-gap{background:#dce8f5;flex:0 0 1px;order:1;align-self:stretch;margin:6px}.wm-btn.primary{background:var(--navy);border-color:var(--navy);color:#fff}.wm-btn.primary:hover:not(:disabled){background:#0f4189;border-color:#0f4189}.wm-btn.on{border-color:var(--navy);background:var(--tint)}.wm-seg{border:1.5px solid var(--line);border-radius:12px;display:inline-flex;overflow:hidden}.wm-seg button{border:0;border-inline-start:1.5px solid var(--line);min-height:48px;color:var(--navy);font:600 15px var(--font);cursor:pointer;touch-action:manipulation;background:0 0;padding:0 14px}.wm-seg button:first-child{border-inline-start:0}.wm-seg button.on{background:var(--navy);color:#fff}.workmat.wm-big .wm-seg button{min-height:56px;padding:0 16px;font-size:17px}.wm-done{color:#5e8a2e;min-height:48px;font:800 17px var(--font);align-items:center;display:inline-flex}.wm-thumb{justify-content:center;align-items:center;display:flex;overflow:hidden}.wm-thumb>svg,.wm-thumb>span>svg{max-width:100%;width:auto!important;height:100%!important}.wm-worksvg .wk-hit{cursor:pointer}.wm-worksvg .wk-pop{transform-box:fill-box;transform-origin:50%;animation:.32s ease-out wk-pop}@keyframes wk-pop{0%{opacity:.2;transform:scale(.82)}to{opacity:1;transform:none}}.wm-worksvg .wk-solid{transition:transform .22s ease-out}.wm-worksvg .wk-finger line{animation:.7s ease-out both wk-finger}@keyframes wk-finger{0%{stroke-dashoffset:400px;opacity:0}to{stroke-dashoffset:0;opacity:1}}@media (prefers-reduced-motion:reduce){.wm-worksvg .wk-pop,.wm-worksvg .wk-finger line{animation:none}.wm-worksvg .wk-solid{transition:none}}.wm-ico{flex:none}.wm-trays-row{border-bottom:2px solid var(--line);align-items:center;gap:12px;display:flex}.wm-trays-row>.wm-trays{border-bottom:0;flex:auto;min-width:0}.wm-trays{border-bottom:2px solid var(--line);scrollbar-width:none;gap:4px;display:flex;overflow-x:auto}.wm-preview{justify-content:center;align-items:flex-end;display:inline-flex}.wm-preview.col{flex-direction:column;justify-content:center;align-items:flex-start}.wm-preview.crop{align-items:flex-start;padding-top:6px;overflow:hidden}.wm-preview.crop>.wm-preview-piece:not(:first-child){align-self:center}.wm-preview-piece{flex:none;display:inline-flex}.wm-preview-piece>svg{width:100%;height:100%;display:block}.wm-trays::-webkit-scrollbar{display:none}.wm-trays button{min-height:48px;color:var(--muted);font:600 16px var(--font);white-space:nowrap;cursor:pointer;background:0 0;border:0;border-bottom:4px solid #0000;border-radius:0;flex:none;margin-bottom:-2px;padding:0 16px}.wm-trays button.on{color:var(--navy);border-bottom-color:var(--navy);font-weight:700}.wm-trays button:hover:not(.on){color:var(--navy);border-bottom-color:#5baee1}.wm-tray{overscroll-behavior:contain;touch-action:pan-x;flex-wrap:nowrap;align-items:center;gap:10px;padding:6px 2px 10px;display:flex;overflow:auto hidden}.wm-take{background:var(--tint);cursor:pointer;border:2px solid #0000;border-radius:12px;flex:none;place-items:center;min-width:64px;min-height:64px;padding:6px 12px;transition:transform .12s,border-color .12s;display:grid}.wm-take:hover{border-color:#5baee1}.wm-take:active{border-color:var(--navy);transform:scale(.96)}.workmat .wm-btn:focus-visible,.workmat .wm-take:focus-visible,.workmat .wm-trays button:focus-visible{outline:3px solid var(--navy);outline-offset:2px;border-radius:12px}.wm-take svg{pointer-events:none;display:block}.tdrawer .wm-acts{gap:6px}.tdrawer .wm-btn{gap:6px;padding:0 11px;font-size:14px}.workmat.wm-big{flex-direction:column;gap:10px;height:100%;min-height:0;display:flex}.workmat.wm-big .wm-mat{flex:auto;height:auto;min-height:240px}.workmat.wm-big .wm-hint{font-size:17px}.workmat .wm-view{overscroll-behavior:contain;scrollbar-width:thin;background:#fbf7ef;flex:auto;min-height:0;display:flex;position:relative;overflow:auto}.workmat .wm-view>.wm-mat{box-sizing:border-box;border:0;flex:none;min-height:0;margin:auto}.workmat.wm-big .wm-btn{min-height:56px;padding:0 18px;font-size:17px}.workmat.wm-big .wm-trays button{min-height:56px;padding:0 22px;font-size:19px}.workmat.wm-big .wm-take{min-width:96px;min-height:96px;padding:8px 14px}.hundredtool .ht-board{background:#ebcb9c;border:2px solid #bf925a;border-radius:14px;grid-template-columns:repeat(10,1fr);gap:3px;padding:8px;display:grid}.ht-sq{aspect-ratio:1;color:var(--navy);background:#fff;border:1px solid #d8cdb8;border-radius:5px;font-size:clamp(11px,2.2vw,16px);font-weight:700}.ht-sq.on{background:#ffe3a0;border-color:#d99a1e}.ht-sq.last{box-shadow:0 0 0 2px var(--navy)}.clocktool .ct-face{justify-content:center;padding:10px;display:flex}.ttabs{flex-wrap:wrap}.ttabs button{white-space:nowrap;padding:9px 16px}.signin-alt{color:var(--sky);font:600 14px var(--font);text-underline-offset:3px;background:0 0;align-self:center;margin-top:10px;text-decoration:underline}.who-menu .who-signout{border-top:1px solid var(--line);color:var(--no);justify-content:center;margin-top:4px;padding-top:10px;font-weight:600}.pres{gap:14px;margin:6px 0 22px;display:grid}.pres-mat{background:#f6e9d2;border:1.5px solid #e5cfa6;border-radius:24px;place-items:center;min-height:190px;padding:26px 18px;display:grid;position:relative;overflow:hidden;box-shadow:inset 0 0 0 6px #fbf3e4}.pres-mat:before{content:"";background:var(--pat-line);opacity:.5;pointer-events:none;position:absolute;inset:0}.pres-mat>*{position:relative}.pres-mat.waiting{background:var(--tint);border-color:var(--line);box-shadow:none}.pres-start{background:var(--navy);color:#fff;font:700 20px var(--font);cursor:pointer;box-shadow:0 5px 0 var(--navy-deep);border:0;border-radius:999px;align-items:center;gap:14px;padding:18px 28px;display:inline-flex}.pres-start:active{box-shadow:0 2px 0 var(--navy-deep);transform:translateY(3px)}.pres-say{border:1.5px solid var(--line);background:#fff;border-radius:18px;grid-template-columns:auto 1fr;align-items:center;gap:4px 12px;padding:14px 18px;animation:.3s both mx-pop;display:grid}.pres-say.turn{border-color:var(--sun);background:var(--sun-soft)}.pres-tag{letter-spacing:.08em;text-transform:uppercase;color:var(--sky);grid-column:1/-1;font-size:12.5px;font-weight:700}.pres-say.turn .pres-tag{color:#9a6a00}.pres-hear{background:var(--tint);width:40px;height:40px;color:var(--sky);cursor:pointer;border:1.5px solid #cfe6f7;border-radius:50%;place-items:center;display:grid}.pres-say p{color:var(--ink);margin:0;font-size:21px;font-weight:500;line-height:1.4}.pres-controls{align-items:center;gap:12px;display:flex}.pres-back{width:48px;padding:0}.pres-dots{flex:1;justify-content:center;gap:6px;margin:0;padding:0;list-style:none;display:flex}.pres-dots li{background:var(--line);border-radius:50%;width:10px;height:10px}.pres-dots li.past{background:var(--sky)}.pres-dots li.on{background:var(--navy);border-radius:6px;width:26px}.pres-next[disabled],.pres-end .btn[disabled]{opacity:.55;cursor:default}.pres-end{gap:10px;display:flex}.pres-choices{flex-wrap:wrap;justify-content:center;gap:16px;margin-top:18px;display:flex}.pres-choice{cursor:pointer;background:#fff;border:2.5px solid #0000;border-radius:18px;padding:8px;transition:transform .15s;box-shadow:0 4px #e5cfa6}.pres-choice:hover{transform:translateY(-2px)}.pres-choice.right{border-color:var(--ok);animation:.35s both mx-pop;box-shadow:0 0 0 5px #2e9e5b33}.pres-choice.wrong{animation:.45s pres-shake}@keyframes pres-shake{20%,60%{transform:translate(-6px)}40%,80%{transform:translate(6px)}}.pm-in{animation:.6s cubic-bezier(.2,.8,.2,1) both pm-in}.pm-slide{animation:.8s cubic-bezier(.2,.8,.2,1) both pm-slide}@keyframes pm-in{0%{opacity:0;transform:translateY(14px)}}@keyframes pm-slide{0%{opacity:0;transform:translate(-60px)}}.nn-stage{justify-items:center;gap:18px;width:100%;display:grid}.nn-beads{width:100%;transition:opacity .4s}.nn-beads.dim{opacity:.45}.nn-row{justify-content:center;display:flex}.nn-cards{display:inline-block;position:relative}.nn-ones{position:absolute;top:0;right:0}.nn-ones.on{animation:1s cubic-bezier(.2,.8,.2,1) .9s both nn-slide}@keyframes nn-slide{0%{opacity:0;transform:translate(90px)}}.nn-word{font:700 34px var(--book-font);color:var(--navy);background:#fff;border-radius:12px;padding:6px 22px;box-shadow:0 3px #e5cfa6}.nn-word.small{box-shadow:none;padding:4px 12px;font-size:24px;display:inline-block}.nn-sum{font:700 26px var(--book-font);color:var(--navy);align-items:center;gap:12px;display:flex}.nn-sum span{color:var(--muted)}.sc-stage{justify-items:center;gap:14px;width:100%;display:grid}.sc-bar{animation:.6s cubic-bezier(.2,.8,.2,1) both pm-slide}.sc-arrow{transform-box:fill-box;transform-origin:50% 0;animation:.45s cubic-bezier(.3,1.4,.5,1) both sc-drop}.sc-arrow.glow{animation:.6s both sc-glow}@keyframes sc-drop{0%{opacity:0;transform:translateY(-18px)scale(.8)}}@keyframes sc-glow{50%{transform:scale(1.18)}}.sc-hot{animation:1.3s ease-in-out infinite sc-pulse}@keyframes sc-pulse{50%{opacity:.45}}.sc-note{font:700 22px var(--book-font);color:var(--navy);background:#fff;border-radius:12px;margin:0;padding:6px 18px}.sc-pick{min-width:64px;font:800 30px var(--book-font);color:var(--navy);padding:4px 10px;display:inline-block}.cb-num{animation:.2s both mx-pop}@media (prefers-reduced-motion:reduce){.pm-in,.pm-slide,.nn-ones.on,.sc-bar,.sc-arrow,.sc-hot,.pres-say,.pres-choice{animation:none!important}}@media (width<=640px){.pres-say p{font-size:18px}.pres-mat{min-height:200px;padding:18px 10px}.nn-word{font-size:28px}}.item-body{flex-direction:column;gap:12px;min-width:0;display:flex}.qgrid:has(>.qitem){gap:24px 26px;padding:4px 0 0 4px}.qrow.qitem{--qn-top:-12px;--qn-h:34px;display:block;position:relative;container-type:inline-size}.qrow.qitem .qn{left:-10px;top:var(--qn-top);z-index:2;width:auto;min-width:34px;height:var(--qn-h);background:var(--navy);color:#fff;border-radius:17px;place-items:center;margin:0;padding:0 9px;font-size:18px;line-height:1;display:grid;position:absolute;box-shadow:0 0 0 3px #fff}.qrow.qitem .item{padding:calc(var(--qn-top) + var(--qn-h) + 8px) 16px 14px 22px}.item-run{white-space:nowrap}.item-prompt{line-height:1.6}@container (width>=520px){.item.side{flex-flow:wrap;align-items:center;gap:12px 28px}.item.side>.item-model{flex:0 auto;max-width:100%}.item.side>.item-body{flex:1 1 min(var(--pw,280px), 100%);min-width:0}}@media (width<=420px){.qrow.qitem{--qn-h:30px}.qrow.qitem .qn{min-width:30px;font-size:16px;left:-6px}.qrow.qitem .item{padding:calc(var(--qn-top) + var(--qn-h) + 6px) 12px 12px 16px}}.item-prompt.read-aloud{align-items:flex-start;gap:8px;display:flex}.item-prompt.read-aloud>.ra-btn{flex:none;margin:4px 0 0}.item-prompt.read-aloud>.ra-text{flex:1;min-width:0;display:block}@media (width<=640px){.gfill-label{width:auto}.gfill-label>span:last-child{display:none}.gcell{aspect-ratio:1;border-width:2px;border-radius:7px;flex:1 1 0;width:auto;min-width:16px;max-width:40px;height:auto}.gfill-row{gap:4px}.ex-steps li{flex-wrap:wrap;align-items:center;gap:6px 8px;display:flex}.ex-steps li .ex-n{flex:none}.ex-steps li .ex-text{flex:130px;min-width:0}.ex-steps li .ex-maths{white-space:normal;text-align:right;margin-left:auto}}.item-model .imat>svg,.item-model .imat-row svg,.item-model .imat-col svg{width:auto;max-width:100%;max-height:300px}.item.side .item-model .imat>svg{max-height:220px}@media (width<=860px){.learn-step.maths-step,.learn-step.no-visual{grid-template-columns:1fr;gap:8px}.learn-step.maths-step .learn-maths{font-size:24px}}:root{--fs-title:28px;--fs-lead:20px;--fs-body:18px;--fs-q:22px;--fs-maths:22px;--fs-label:12px}@media (width<=1100px){:root{--fs-title:26px;--fs-q:21px}}@media (width<=640px){:root{--fs-title:22px;--fs-lead:18px;--fs-body:17px;--fs-q:20px;--fs-maths:20px}}.sheet-title{font-size:var(--fs-title);letter-spacing:-.01em;line-height:1.2}.sheet-ins{font-size:var(--fs-lead);margin:22px 0 18px;line-height:1.4}.takeaway{font-size:var(--fs-body)}.score-big{font-size:22px;line-height:1.2}.wb-part{font-size:15px}.learn-steps{border-top:1px solid var(--line);display:block}.learn-steps>.learn-step{border-bottom:1px solid var(--line);grid-template-rows:auto auto;grid-template-columns:74px minmax(0,1fr);align-items:start;gap:12px 16px;padding:22px 0;display:grid}.learn-steps>.learn-step>.learn-label{font-size:var(--fs-label);letter-spacing:.1em;color:var(--sky);grid-area:1/1/span 2;padding-top:5px}.learn-steps>.learn-step>.learn-visual{grid-area:1/2;justify-self:start;min-width:0;max-width:100%}.learn-steps>.learn-step>.learn-text{min-width:0;max-width:62ch;font-size:var(--fs-body);color:var(--ink);grid-area:2/2;line-height:1.55}.learn-steps>.learn-step.no-visual>.learn-text{grid-row:1}.learn-maths:has(.learn-maths-part+.learn-maths-part){flex-wrap:wrap;align-items:baseline;gap:.15em 1.1em;display:inline-flex}.learn-maths-part{max-width:100%;display:inline-block}.learn-key{color:var(--navy);white-space:nowrap;-webkit-box-decoration-break:clone;box-decoration-break:clone;background:#ffebb8;border-radius:5px;padding:.04em .16em .08em;font-weight:700}.learn-steps>.learn-step>.learn-visual svg{max-width:100%;height:auto}.learn-steps>.learn-step>.learn-visual .imat[aria-label^=column\ sum] svg{margin-bottom:-96px}.learn-maths,.learn-step.maths-step .learn-maths{font-size:calc(var(--fs-maths) + 4px);box-shadow:none;color:var(--ink);line-height:1.35;font-family:var(--book-font);border-radius:0;padding:0}@media (width<=640px){.learn-steps>.learn-step{grid-template-rows:none;grid-template-columns:minmax(0,1fr);row-gap:10px;padding:18px 0}.learn-steps>.learn-step>.learn-label{grid-area:auto/1;padding-top:0}.learn-steps>.learn-step>.learn-visual,.learn-steps>.learn-step>.learn-text,.learn-steps>.learn-step.no-visual>.learn-text{grid-area:auto/1}}.takeaway{border:1px solid var(--tip-hair,#e6e2db);text-align:left;color:var(--ink);background:#fdfcfa;border-radius:12px;max-width:62ch;margin-top:28px;padding:16px 18px;font-weight:600;line-height:1.5}.item-prompt{font-size:var(--fs-q)}.item-prompt.lines .item-line:not(:first-child){font-size:calc(var(--fs-q) - 2px)}.eq{font-size:26px}.ex-text{font-size:17px}.ex-maths,.qhead-text{font-size:18px}.pres-say p{font-size:19px}.wmf-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.wmf-play{background:var(--navy);color:#fff;font:700 14px var(--font);border-radius:999px;align-items:center;gap:6px;padding:6px 14px;display:inline-flex}.wmf-play:hover{filter:brightness(1.1)}.wmf .wmf-strip{background:#ebcb9c;border:2px solid #bf925a;border-radius:12px;flex-wrap:wrap;gap:4px;width:max-content;max-width:100%;margin:12px 0 4px;padding:7px;display:flex}.wmf .wmf-strip .scell{width:46px;height:46px;color:var(--navy);background:#fff;border:1px solid #d8cdb8;border-radius:6px;flex:none;place-items:center;font-size:20px;font-weight:700;transition:background .25s,transform .25s;display:grid;box-shadow:0 2px #a87a4073}.wmf .wmf-strip .scell.gap{box-shadow:none;background:0 0;border:0}.wmf-box{border:2px dashed var(--sky);width:46px;height:46px;color:var(--navy);background:#fff;border-radius:6px;place-items:center;font-size:20px;font-weight:700;display:grid}.wmf-box.in{background:var(--ok-bg);color:var(--ok);border-style:solid;animation:.45s ease-out wmf-write}.wmf .wmf-strip .scell.lit:not(.gap){background:#fff1c9}.wmf .wmf-strip .scell.now{transform:translateY(-4px);box-shadow:0 0 0 3px #fec44b}.wmf .ex-steps li{border-radius:12px;margin:0 -8px;padding:6px 8px;transition:background .3s,opacity .3s}.wmf .ex-steps li.on{background:#fff;box-shadow:0 0 0 2px #fec44b}.wmf .ex-steps li.later{opacity:.45}.wmf .ex-maths{opacity:0;transition:opacity .3s,transform .3s;transform:scale(.8)}.wmf .ex-maths.shown{opacity:1;transform:none}.wmf .ex-maths.ans{border:2px dashed var(--sky)}.wmf .ex-steps li.on .ex-maths.ans,.wmf:not(.playing) .ex-maths.ans{border-style:solid;border-color:var(--ok);background:var(--ok-bg);color:var(--ok)}@keyframes wmf-write{0%{opacity:0;transform:scale(.6)}to{opacity:1;transform:none}}@media (width<=640px){.wmf .wmf-strip .scell,.wmf-box{width:38px;height:38px;font-size:17px}}@media (prefers-reduced-motion:reduce){.wmf .ex-maths,.wmf .ex-steps li,.wmf .wmf-strip .scell{transition:none}.wmf-box.in{animation:none}}.mat-hint{color:var(--muted);flex-wrap:wrap;align-items:center;gap:10px;margin:-6px 0 20px;font-size:16px;display:flex}.wmf-box.ghost{color:#9bb8d6}.imat-beads{align-items:center;gap:6px;display:inline-flex}.imat-taken{opacity:.35;display:inline-flex;position:relative}.imat-taken:after{content:"";background:var(--no);border-radius:2px;height:3px;position:absolute;top:50%;left:-4px;right:-4px;transform:rotate(-12deg)}.imat-gap{border:2.5px dashed var(--sky);min-width:54px;height:28px;color:var(--sky);border-radius:14px;place-items:center;padding:0 10px;font-weight:800;display:inline-grid}.imat-zero{color:#555;border:1.5px dashed #7a7a7a;border-radius:50%;place-items:center;width:26px;height:26px;font-size:13px;display:inline-grid}.learn-hero .imat:has(.imat-beads){zoom:1.6}.wst{border:1.5px solid var(--line);background:#fff;border-radius:14px;justify-content:center;align-items:center;min-height:90px;margin:12px 0 6px;padding:14px 10px;display:flex}.wst-svg{max-width:100%;height:auto;display:block;overflow:visible}.wst-hop{stroke-dasharray:120;stroke-dashoffset:120px;animation:.45s ease-out forwards wst-draw}.wst-pop{transform-box:fill-box;transform-origin:50%;animation:.35s ease-out wst-pop}.wst-glow{filter:drop-shadow(0 0 4px #fec44be6)}.wst-answer{color:var(--ink);flex-wrap:wrap;justify-content:center;align-items:center;gap:4px 6px;margin:8px 0 4px;font-size:20px;font-weight:600;display:flex}.wst-answer>span{align-items:center;gap:6px;display:inline-flex}.wst-answer .wmf-box{margin:0 4px}.wst-answer-l{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-right:6px;font-size:13px;font-weight:700}.wmf-box.wide{width:auto;min-width:70px;padding:0 12px}.wmf-box.big{width:56px;height:56px;font-size:26px}.wst-coins{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.wst-coin{opacity:0;justify-items:center;gap:2px;transition:opacity .3s,transform .3s;display:grid;transform:translateY(-10px)}.wst-coin.in{opacity:1;transform:none}.wst-coin b{color:var(--navy);font-size:16px}.wst-clock{transition:filter .3s}.wst-clock.long,.wst-clock.short{filter:drop-shadow(0 0 8px #fec44bcc)}.wst-clock svg line{transition:all .5s}.wst-digits{font:800 64px/1 Teachers, var(--font);gap:6px;display:flex}.wst-digits .d{border:3px solid #0000;border-radius:14px;padding:4px 14px;transition:all .3s}.wst-digits .d.on{background:#fff6da;border-color:#fec44b;transform:translateY(-4px)}.wst-choice{justify-items:center;gap:12px;display:grid}.wst-word{font:700 30px var(--font);color:var(--navy);border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:4px 18px}.wst-opts{gap:14px;display:flex}.wst-opt{border:3px solid #0000;border-radius:50%;padding:6px;transition:all .3s}.wst-opt.found{transform:translateY(-4px)}.wst-opt.circled{border-color:var(--ok);background:var(--ok-bg)}.wst-eq{font:700 28px var(--font);color:var(--ink);align-items:center;gap:10px;display:flex}.wst-eq .tile{min-width:48px;height:52px;color:var(--navy);background:#fff;border:1.5px solid #d8cdb8;border-radius:8px;place-items:center;padding:0 8px;display:grid;box-shadow:0 2px #a87a4073}.wst-board{justify-content:center;width:100%;display:flex}@keyframes wst-draw{to{stroke-dashoffset:0}}@keyframes wst-pop{0%{opacity:0;transform:scale(.4)}to{opacity:1;transform:none}}@media (width<=640px){.wst-digits{font-size:48px}.wst-eq{font-size:22px}.wst-eq .tile{min-width:40px;height:44px}.wst-word{font-size:24px}}@media (prefers-reduced-motion:reduce){.wst-hop{stroke-dashoffset:0;animation:none}.wst-pop{animation:none}.wst-coin{transition:none}}.wst-model{border-radius:14px;padding:6px 10px;transition:box-shadow .3s,transform .3s}.wst-model.s0,.wst-model.s1,.wst-model.s2{box-shadow:0 0 0 3px #fec44b}.wst-model.s1{transform:scale(1.04)}.wst-eq .tile.hot{transform:translateY(-4px);box-shadow:0 0 0 3px #fec44b}.wst-eq .faint{opacity:.25}.wst-eq .tile,.wst-eq .op{transition:opacity .3s,transform .3s}.wst-word.hot{box-shadow:0 0 0 3px #fec44b}.wst-cal{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.wst-day{border:1.5px solid var(--line);min-width:58px;height:46px;font:700 17px var(--font);color:var(--navy);background:#fff;border-radius:10px;place-items:center;padding:0 10px;transition:all .3s;display:grid}.wst-day.lit{background:#fff1c9}.wst-day.found{border-color:var(--ok);background:var(--ok-bg);color:var(--ok);transform:translateY(-3px)}.item-seqline{flex-wrap:nowrap;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:12px;display:grid}.item-seqline>.item-say{align-self:center}.item-seqline .strip{justify-self:start}.item-seqline .scell{font-variant-numeric:tabular-nums;place-items:center;width:auto;min-width:50px;padding:0 6px;display:grid}.item-seqline .scell.gap{padding:0}.item-seqline .scell.gap .abox{width:auto;min-width:50px;padding:0 6px}.wmf .wmf-strip .scell,.wmf-box{width:auto;min-width:46px;padding:0 5px}@media (width<=640px){.item-seqline{gap:8px}.item-seqline .scell,.item-seqline .scell.gap .abox{min-width:40px;height:42px;font-size:18px}}@media (width>=641px){.item-seqline .strip{gap:4px;padding:6px}.item-seqline .scell,.item-seqline .scell.gap .abox{min-width:46px;height:50px;font-size:21px}}.money-set{padding:22px}.money-opts{flex-wrap:wrap;gap:10px;margin-top:12px;display:flex}.money-opt{border:2px solid var(--line);font:600 15px var(--font);color:var(--navy);background:#fff;border-radius:999px;align-items:center;gap:10px;padding:8px 14px 8px 8px;display:inline-flex}.money-opt.on{border-color:var(--sky);background:var(--tint);box-shadow:0 0 0 3px #2698dd26}.parent-bottom>.money-set{grid-column:1/-1}.sl-stage{max-width:100%;height:auto;margin:0 auto;display:block;overflow:visible}.sl-shape{transition:transform .7s cubic-bezier(.3,1.3,.6,1),opacity .3s}.sl-trace{stroke-dasharray:100;stroke-dashoffset:100px;animation:1.6s linear forwards sl-trace}@keyframes sl-trace{to{stroke-dashoffset:0}}.sl-name{font:700 20px var(--font);fill:var(--navy)}.sl-n{font:800 16px var(--font);fill:#fff;text-anchor:middle;dominant-baseline:central}.sl-big{font:800 30px var(--font);fill:var(--navy)}.sl-label{font:700 17px var(--font);fill:var(--muted)}.sl-word{font:700 20px var(--font);color:var(--navy);text-transform:lowercase;padding:4px 10px}.sl-side{transition:stroke .25s}@media (prefers-reduced-motion:reduce){.sl-shape{transition:none}.sl-trace{stroke-dashoffset:0;animation:none}}.item-model,.item-model .imat,.item-model .imat-col,.item-model .imat-row,.item-model .imat-beads{min-width:0;max-width:100%}.imat-beads{flex-wrap:nowrap}.imat-beads>svg,.imat-beads>.imat-taken>svg,.imat-row>svg,.imat-col>svg{flex:0 auto;min-width:0;max-width:100%;height:auto}.imat-beads>.imat-taken{flex:0 auto;min-width:0}.item-model .imat{overflow:visible}.preview-skip{white-space:normal;text-align:center;max-width:100%;height:auto;min-height:44px}.gfill-row{min-width:0}.gcell{aspect-ratio:1;flex:1 1 0;width:auto;min-width:16px;max-width:40px;height:auto}.colour-grid{max-width:100%;grid-template-columns:repeat(10,minmax(0,44px))!important}.colour-grid .cc{aspect-ratio:1;width:100%;height:auto}.wst-board svg,.wst svg{max-width:100%;height:auto}.wst-opts{flex-wrap:wrap;justify-content:center;gap:8px}.learn-maths{white-space:normal;overflow-wrap:anywhere}@media (width<=700px){.colour-grid{grid-template-columns:repeat(5,minmax(0,44px))!important}}.sym-open{color:var(--navy);font:600 16px var(--font);background:#fff6da;border:2px solid #f6dd9c;border-radius:999px;flex-wrap:wrap;align-items:center;gap:6px 8px;margin:0 0 18px;padding:10px 18px 10px 10px;display:inline-flex}.sym-open b{font-size:20px}.sym-open small{color:#8a6200;font-size:13px;font-weight:600}.sym-open-ic{background:var(--navy);color:#fff;border-radius:50%;place-items:center;width:32px;height:32px;font-size:13px;display:grid}.sym-pop{z-index:80;background:#0e2a5273;place-items:center;padding:16px;animation:.2s ease-out pm-in;display:grid;position:fixed;inset:0}.sym-sheet{background:#fff;border-radius:22px;width:min(720px,100%);max-height:calc(100dvh - 32px);padding:16px 20px 20px;overflow:auto;box-shadow:0 30px 60px -20px #0e2a5280}.sym-head{align-items:center;gap:12px;margin-bottom:10px;display:flex}.sym-head b{font:800 20px var(--font);color:var(--navy)}.sym-head span{color:var(--muted);font-weight:700}.sym-x{background:var(--tint);width:40px;height:40px;color:var(--navy);border-radius:50%;margin-left:auto;font-size:26px;line-height:1}.sym-tabs{grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:12px;display:grid}.sym-tab{border:2px solid var(--line);color:var(--navy);background:#fff;border-radius:14px;justify-items:center;gap:2px;padding:8px 4px;display:grid}.sym-tab b{font:800 24px/1 var(--font)}.sym-tab span{font:600 12px var(--font);color:var(--muted)}.sym-tab.on{border-color:var(--sky);background:var(--tint)}.sym-screen{background:#fbf4e8 var(--pat-line);border:2px solid #ebd9bc;border-radius:16px;padding:8px}.sym-stage{max-width:100%;height:auto;display:block}.sym-n{font:800 26px var(--font);fill:var(--navy);dominant-baseline:central}.sym-big{font:800 40px var(--font);fill:var(--navy);text-anchor:middle;dominant-baseline:central}.sym-card{fill:#fff;stroke:#dce8f5;stroke-width:2px}.sym-card.big{stroke:#fec44b;stroke-width:4px}.sym-say{font:800 24px var(--font);fill:var(--ok)}.sym-pair{transform-box:fill-box;transform-origin:top;animation:.35s ease-out both sym-grow}.sym-glow{animation:1.2s ease-in-out infinite sym-pulse}.sym-draw{stroke-dasharray:100;stroke-dashoffset:100px;animation:.45s ease-out forwards sym-stroke}.sym-mouth{animation:.5s ease-out .8s both pm-in}.sym-caption{min-height:52px;font:600 19px/1.4 var(--font);color:var(--ink);text-align:center;margin:12px 4px 8px}.sym-controls{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;display:flex}.sym-bar{background:var(--line);border-radius:3px;flex-basis:100%;height:6px;overflow:hidden}.sym-bar i{background:var(--sky);height:100%;transition:width .4s;display:block}.sym-quiz{justify-items:center;gap:18px;padding:18px 0 8px;display:grid}.sym-row{align-items:center;gap:14px;display:flex}.sym-q{border:2px solid var(--line);min-width:70px;height:76px;font:800 40px var(--font);color:var(--navy);background:#fff;border-radius:14px;place-items:center;display:grid}.sym-q.box{border:3px dashed var(--sky)}.sym-q.box.in{border-style:solid;border-color:var(--ok);background:var(--ok-bg);color:var(--ok)}.sym-opts{gap:12px;display:flex}.sym-opt{border:2.5px solid var(--sky);width:72px;height:72px;font:800 36px var(--font);color:var(--navy);background:#fff;border-radius:16px}.sym-opt.wrong{border-color:var(--no);animation:.45s pres-shake}.sym-done{font:700 22px var(--font);color:var(--ok)}.sym.inline{margin-bottom:18px}@keyframes sym-stroke{to{stroke-dashoffset:0}}@keyframes sym-grow{0%{transform:scaleY(0)}to{transform:none}}@keyframes sym-pulse{50%{fill-opacity:.25}}@media (width<=640px){.sym-tab span{display:none}.sym-caption{font-size:17px}.sym-opt{width:60px;height:60px}}@media (prefers-reduced-motion:reduce){.sym-draw{stroke-dashoffset:0;animation:none}.sym-pair,.sym-glow,.sym-mouth{animation:none}}.choices-say{margin:0 0 6px;display:inline-flex}.choices-say .ra-text{display:none}.think-list .think-row{cursor:pointer;grid-template-columns:auto 1fr;align-items:center;gap:10px;display:grid}.think-row .ra-text{grid-template-columns:170px 1fr;align-items:baseline;gap:4px 12px;display:grid}@media (width<=700px){.think-row .ra-text{grid-template-columns:1fr}}button.gfill-label{text-align:left;cursor:pointer;font:inherit;color:inherit;background:0 0;border:0;padding:0}.learn-maths[role=button],.ex-maths[role=button]{cursor:pointer}.item-choices-wrap{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.item-choices-wrap>.choices-say{margin:0}.item-choices-wrap>.seq{flex-basis:100%}.nn-digits{font:800 72px/1 Teachers, var(--font);color:var(--navy);gap:6px}.nn-digits span{border:2px solid var(--line);background:#fff;border-radius:16px;padding:4px 16px}.nn-digits span.first{color:#2470cf;background:#fff6da;border:3px solid #fec44b}.wrd{background:var(--tint);border:2px solid #b9dcf3;border-radius:20px;grid-template-columns:minmax(200px,300px) 1fr;align-items:center;gap:20px;margin:20px 0 6px;padding:14px;display:grid}.wrd.compact{grid-template-columns:1fr;margin:16px 0 4px;padding:10px 14px}.wrd-poster{cursor:pointer;border-radius:14px;overflow:hidden}.wrd-body{justify-items:start;gap:14px;display:grid}.wrd.compact .wrd-body{flex-wrap:wrap;justify-content:space-between;align-items:center;width:100%;display:flex}.wrd-steps{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.wrd-steps li{border:1.5px solid var(--line);font:600 15px var(--font);color:var(--muted);background:#fff;border-radius:999px;align-items:center;gap:8px;padding:6px 12px 6px 6px;display:inline-flex}.wrd-steps b{background:var(--line);width:26px;height:26px;color:var(--navy);border-radius:50%;place-items:center;font-size:14px;display:grid}.wrd-steps li.now{border-color:var(--sky);color:var(--navy)}.wrd-steps li.now b{background:var(--navy);color:#fff}.wrd-steps li.ok b{background:var(--ok);color:#fff}.wrd-play{font-size:17px}.wrd:not(.done) .wrd-play{animation:1.8s ease-in-out infinite wrd-pulse}@keyframes wrd-pulse{50%{box-shadow:0 0 0 8px #2698dd2e}}@media (width<=640px){.wrd{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.wrd:not(.done) .wrd-play{animation:none}}.signin-school{color:var(--navy);gap:4px;width:min(460px,100%);margin-top:14px;padding:16px 20px;display:grid}.signin-school span{color:var(--muted);font-size:14px}.kg-stage{flex-direction:column;justify-content:center;align-items:center;gap:14px;min-height:180px;display:flex}.kg-row{flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:18px;display:flex}.kg-thing{justify-content:center;align-items:flex-end;min-width:56px;display:flex}.kg-word{color:var(--navy,#134da0);padding:8px 12px;font-size:1.25rem;font-weight:700}.kg-count{cursor:pointer;background:#fff;border:2.5px solid #0000;border-radius:18px;padding:8px;transition:transform .15s;position:relative;box-shadow:0 4px #e5cfa6}.kg-count:hover{transform:translateY(-2px)}.kg-count.on{border-color:var(--ok,#2e9e5b);box-shadow:0 0 0 5px #2e9e5b2e}.kg-num{background:var(--sky,#2698dd);color:#fff;border-radius:14px;place-items:center;min-width:28px;height:28px;font-weight:800;animation:.35s both mx-pop;display:grid;position:absolute;top:-12px;right:-10px}.school-green{--sky:#4f7a1c;--sky-band:#a2c466;--tint:#f3f9ea;--page-bg:#f1f7e7;--line:#dceac5;--leaf:#a2c466;--leaf-ink:#3e5a12;--smiles:var(--pat-bold);background:var(--page-bg);min-height:100vh}.school-green .topbar{border-bottom:4px solid #a2c466}.school-green .mainnav{border-color:#d6e8b8}.school-green .mainnav a.active{box-shadow:0 10px 20px -10px #3e5a128c}.school-green .navy-panel:not(.path-panel) .eyebrow{color:#c8e09a}.school-green .card{border-color:#dceac5}.school-green .sl-part.current{background:#f3f9ea}.school-green .part-pill{border-color:#cfe3ae}.school-green .school-who{background:#fff;border:1.5px solid #d6e8b8;border-radius:20px;align-items:center;gap:10px;padding:7px 18px 7px 7px;text-decoration:none;display:inline-flex}.school-green .school-who .sw-ini{color:#fff;border-radius:13px;place-items:center;width:40px;height:40px;font-size:18px;font-weight:700;display:grid}.school-green .school-who .who-txt{flex-direction:column;line-height:1.1;display:flex}.school-green .school-who small{color:var(--muted);font-size:12px;font-weight:600}.school-green .school-who b{color:var(--navy);font-size:16px}.school-green .poster-k{color:#c8e09a}.school-green .school-who small{white-space:nowrap}.school-green .sg-check{border:2px solid #a2c466;align-items:center;gap:18px;margin:22px 0 -6px;padding:16px 18px;text-decoration:none;display:flex}.school-green .sg-check-ic{color:#fff;background:#a2c466 var(--pat-bold);border-radius:16px;flex:none;place-items:center;width:52px;height:52px;font-size:28px;display:grid}.school-green .sg-check-t{flex:1;gap:4px;display:grid}.school-green .sg-check-t b{color:var(--navy);font-size:20px}.school-green .sg-check-t small{color:var(--muted);font-size:14px}@media (width<=640px){.school-green .sg-check{flex-wrap:wrap}}.continue.path-panel.navy-panel{--pp-bg:#ddeffb;--pp-smiles:var(--mark-pattern);--pp-accent:#2698dd;background:var(--pp-bg) var(--pp-smiles) 0 0 / 320px auto repeat;color:var(--navy)}@media (width<=1100px){.continue.path-panel.navy-panel{background-size:260px}}@media (width<=700px){.continue.path-panel.navy-panel{background-size:190px}}.path-panel h2{color:var(--navy)}.path-panel .eyebrow{color:var(--pp-accent)}.path-panel .pp-stone{color:var(--navy)}.path-panel .pp-line{background:#134da02e;height:8px}.path-panel .pp-line.done{background:#a2c466}.path-panel .pp-step.done .pp-c{border-color:#a2c466;box-shadow:0 6px 14px -6px #134da059}.path-panel .pp-step.current .pp-c{background:var(--navy);color:#fff;border-color:var(--navy);box-shadow:0 0 0 8px #fec44bbf}.path-panel .pp-step.locked .pp-c,.path-panel .pp-step.soon .pp-c{color:var(--pp-accent);background:#fff;border-color:#fff;box-shadow:0 6px 14px -6px #134da059}.path-panel .pp-step.locked b,.path-panel .pp-step.soon b{opacity:.7}.path-panel .next-chip{color:var(--navy)}@media (width<=700px){.path-panel .pp-step.current .pp-c{box-shadow:0 0 0 5px #fec44bbf}}@media (width<=480px){.pp:not(.many) .pp-stone{width:54px}.pp:not(.many) .pp-c{width:46px;height:46px;font-size:18px}.pp:not(.many) .pp-c svg{width:18px;height:18px}.pp:not(.many) .pp-line{min-width:4px;margin-top:20px}.pp:not(.many) .pp-stone b{font-size:11.5px;line-height:1.2}}.pp-trail{--r:40px;width:100%;margin:0 0 26px;position:relative}.pp-trail .pp{grid-template-columns:repeat(var(--n), 1fr);margin:0;padding:4px 0 0;display:grid;position:relative}.pp-trail .pp-step,.pp-trail .pp-step+.pp-step{flex:none;justify-content:center;min-width:0;display:flex}.pp-trail .pp-step.down{padding-top:calc(var(--r) * 1.8)}.pp-trail .pp-line{display:none}.pp-trail .pp-stone{width:100%;max-width:150px}.pp-trail .pp-c{width:calc(var(--r) * 2);height:calc(var(--r) * 2)}.pp-trail .pp-stone b{text-align:center;padding:0 4px;line-height:1.25}.pp-road{width:100%;height:calc(var(--r) * 3.8 + 8px);position:absolute;top:0;left:0;overflow:visible}.pp-road path{fill:none;vector-effect:non-scaling-stroke;stroke-linecap:round}.pp-road-edge{stroke:#134da01a;stroke-width:34px}.pp-road-base{stroke:#fff;stroke-width:26px}.pp-road-dash{stroke:#9fd0f0;stroke-width:3px;stroke-dasharray:2 12}.pp-road-done{stroke:#a2c466;stroke-width:26px}.pp-trail.many{--r:36px}.pp-trail.many .pp-c{border-width:3px;font-size:22px}.pp-trail.many .pp-stone b{font-size:13px}.pp-trail.many .pp-step.current .pp-stone{width:100%}@media (width<=1100px){.pp-trail.many{--r:28px}}@media (width<=700px){.pp-trail{--r:26px}.pp-trail.many{--r:22px}.pp-trail .pp-c{border-width:3px;font-size:20px}.pp-trail.many .pp-c{font-size:16px}.pp-trail .pp-c svg{width:18px;height:18px}.pp-trail .pp-stone b{font-size:11.5px}.pp-road-edge{stroke-width:22px}.pp-road-base,.pp-road-done{stroke-width:16px}}@media (width<=480px){.pp-trail .pp-stone,.pp:not(.many) .pp-stone{width:100%}.pp-trail .pp-c,.pp:not(.many) .pp-c{width:calc(var(--r) * 2);height:calc(var(--r) * 2)}.pp-trail.many{margin-bottom:44px}.pp-trail.many .pp-step:not(.current) b{display:none}.pp-trail.many .pp-step.current b{text-align:start;padding:0;font-size:14px;position:absolute;bottom:-34px;left:0;right:0}}.pp-trail .pp .pp-c{width:calc(var(--r) * 2);height:calc(var(--r) * 2)}.pp-trail .pp .pp-stone,.pp-trail .pp.many .pp-step.current .pp-stone{width:100%;max-width:150px}.pp-trail .pp.many{flex-wrap:nowrap;row-gap:0}.pp-trail .pp.many .pp-c svg{width:20px;height:20px}:root{--mark-pattern-sun:url("data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%2248%22 height=%2240%22 viewBox=%220 0 48 40%22%3E%3Cg fill=%22%23134DA0%22 fill-opacity=%220.06%22%3E%3Cg transform=%22translate%283 2%29%22%3E%3Cpath d=%22M8.636 28.212C4.797 28.212 1.465 25.484 0.712 21.725L3.101 21.248C3.627 23.873 5.955 25.779 8.636 25.779C11.324 25.779 13.656 23.873 14.182 21.248L16.571 21.725C15.818 25.484 12.481 28.212 8.636 28.212Z%22/%3E%3Cpath d=%22M15.364 6.244C14.560 5.448 13.503 4.970 12.387 4.896C11.144 4.812 9.941 5.253 9.001 6.132C8.194 6.887 7.670 7.893 7.496 8.972C6.884 8.627 6.200 8.421 5.491 8.378C4.250 8.301 3.056 8.744 2.120 9.623C1.123 10.560 0.551 11.879 0.551 13.242V18.121H2.987V13.242C2.987 12.547 3.280 11.874 3.789 11.396C4.230 10.982 4.780 10.772 5.341 10.807C5.880 10.84 6.391 11.070 6.776 11.451C7.195 11.869 7.426 12.425 7.426 13.016V18.121H9.862V9.757C9.862 9.060 10.155 8.386 10.666 7.908C11.109 7.494 11.661 7.288 12.226 7.324C12.757 7.360 13.262 7.590 13.645 7.968C14.064 8.386 14.294 8.942 14.294 9.533V18.121H16.730V9.533C16.730 8.292 16.246 7.125 15.364 6.244Z%22/%3E%3Cpath d=%22M6.808 5.971C6.808 6.854 6.091 7.570 5.206 7.570C4.322 7.570 3.605 6.854 3.605 5.971C3.605 5.088 4.322 4.372 5.206 4.372C6.091 4.372 6.808 5.088 6.808 5.971Z%22/%3E%3Cpath d=%22M13.679 2.150C13.679 3.033 12.962 3.749 12.078 3.749C11.194 3.749 10.477 3.033 10.477 2.150C10.477 1.266 11.194 0.550 12.078 0.550C12.962 0.550 13.679 1.266 13.679 2.150Z%22/%3E%3C/g%3E%3Cg transform=%22translate%2827 -18%29%22%3E%3Cpath d=%22M8.636 28.212C4.797 28.212 1.465 25.484 0.712 21.725L3.101 21.248C3.627 23.873 5.955 25.779 8.636 25.779C11.324 25.779 13.656 23.873 14.182 21.248L16.571 21.725C15.818 25.484 12.481 28.212 8.636 28.212Z%22/%3E%3Cpath d=%22M15.364 6.244C14.560 5.448 13.503 4.970 12.387 4.896C11.144 4.812 9.941 5.253 9.001 6.132C8.194 6.887 7.670 7.893 7.496 8.972C6.884 8.627 6.200 8.421 5.491 8.378C4.250 8.301 3.056 8.744 2.120 9.623C1.123 10.560 0.551 11.879 0.551 13.242V18.121H2.987V13.242C2.987 12.547 3.280 11.874 3.789 11.396C4.230 10.982 4.780 10.772 5.341 10.807C5.880 10.84 6.391 11.070 6.776 11.451C7.195 11.869 7.426 12.425 7.426 13.016V18.121H9.862V9.757C9.862 9.060 10.155 8.386 10.666 7.908C11.109 7.494 11.661 7.288 12.226 7.324C12.757 7.360 13.262 7.590 13.645 7.968C14.064 8.386 14.294 8.942 14.294 9.533V18.121H16.730V9.533C16.730 8.292 16.246 7.125 15.364 6.244Z%22/%3E%3Cpath d=%22M6.808 5.971C6.808 6.854 6.091 7.570 5.206 7.570C4.322 7.570 3.605 6.854 3.605 5.971C3.605 5.088 4.322 4.372 5.206 4.372C6.091 4.372 6.808 5.088 6.808 5.971Z%22/%3E%3Cpath d=%22M13.679 2.150C13.679 3.033 12.962 3.749 12.078 3.749C11.194 3.749 10.477 3.033 10.477 2.150C10.477 1.266 11.194 0.550 12.078 0.550C12.962 0.550 13.679 1.266 13.679 2.150Z%22/%3E%3C/g%3E%3Cg transform=%22translate%2827 22%29%22%3E%3Cpath d=%22M8.636 28.212C4.797 28.212 1.465 25.484 0.712 21.725L3.101 21.248C3.627 23.873 5.955 25.779 8.636 25.779C11.324 25.779 13.656 23.873 14.182 21.248L16.571 21.725C15.818 25.484 12.481 28.212 8.636 28.212Z%22/%3E%3Cpath d=%22M15.364 6.244C14.560 5.448 13.503 4.970 12.387 4.896C11.144 4.812 9.941 5.253 9.001 6.132C8.194 6.887 7.670 7.893 7.496 8.972C6.884 8.627 6.200 8.421 5.491 8.378C4.250 8.301 3.056 8.744 2.120 9.623C1.123 10.560 0.551 11.879 0.551 13.242V18.121H2.987V13.242C2.987 12.547 3.280 11.874 3.789 11.396C4.230 10.982 4.780 10.772 5.341 10.807C5.880 10.84 6.391 11.070 6.776 11.451C7.195 11.869 7.426 12.425 7.426 13.016V18.121H9.862V9.757C9.862 9.060 10.155 8.386 10.666 7.908C11.109 7.494 11.661 7.288 12.226 7.324C12.757 7.360 13.262 7.590 13.645 7.968C14.064 8.386 14.294 8.942 14.294 9.533V18.121H16.730V9.533C16.730 8.292 16.246 7.125 15.364 6.244Z%22/%3E%3Cpath d=%22M6.808 5.971C6.808 6.854 6.091 7.570 5.206 7.570C4.322 7.570 3.605 6.854 3.605 5.971C3.605 5.088 4.322 4.372 5.206 4.372C6.091 4.372 6.808 5.088 6.808 5.971Z%22/%3E%3Cpath d=%22M13.679 2.150C13.679 3.033 12.962 3.749 12.078 3.749C11.194 3.749 10.477 3.033 10.477 2.150C10.477 1.266 11.194 0.550 12.078 0.550C12.962 0.550 13.679 1.266 13.679 2.150Z%22/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");--mark-pattern-sky:url("data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%2248%22 height=%2240%22 viewBox=%220 0 48 40%22%3E%3Cg fill=%22%23134DA0%22 fill-opacity=%220.06%22%3E%3Cg transform=%22translate%283 2%29%22%3E%3Cpath d=%22M8.636 28.212C4.797 28.212 1.465 25.484 0.712 21.725L3.101 21.248C3.627 23.873 5.955 25.779 8.636 25.779C11.324 25.779 13.656 23.873 14.182 21.248L16.571 21.725C15.818 25.484 12.481 28.212 8.636 28.212Z%22/%3E%3Cpath d=%22M15.364 6.244C14.560 5.448 13.503 4.970 12.387 4.896C11.144 4.812 9.941 5.253 9.001 6.132C8.194 6.887 7.670 7.893 7.496 8.972C6.884 8.627 6.200 8.421 5.491 8.378C4.250 8.301 3.056 8.744 2.120 9.623C1.123 10.560 0.551 11.879 0.551 13.242V18.121H2.987V13.242C2.987 12.547 3.280 11.874 3.789 11.396C4.230 10.982 4.780 10.772 5.341 10.807C5.880 10.84 6.391 11.070 6.776 11.451C7.195 11.869 7.426 12.425 7.426 13.016V18.121H9.862V9.757C9.862 9.060 10.155 8.386 10.666 7.908C11.109 7.494 11.661 7.288 12.226 7.324C12.757 7.360 13.262 7.590 13.645 7.968C14.064 8.386 14.294 8.942 14.294 9.533V18.121H16.730V9.533C16.730 8.292 16.246 7.125 15.364 6.244Z%22/%3E%3Cpath d=%22M6.808 5.971C6.808 6.854 6.091 7.570 5.206 7.570C4.322 7.570 3.605 6.854 3.605 5.971C3.605 5.088 4.322 4.372 5.206 4.372C6.091 4.372 6.808 5.088 6.808 5.971Z%22/%3E%3Cpath d=%22M13.679 2.150C13.679 3.033 12.962 3.749 12.078 3.749C11.194 3.749 10.477 3.033 10.477 2.150C10.477 1.266 11.194 0.550 12.078 0.550C12.962 0.550 13.679 1.266 13.679 2.150Z%22/%3E%3C/g%3E%3Cg transform=%22translate%2827 -18%29%22%3E%3Cpath d=%22M8.636 28.212C4.797 28.212 1.465 25.484 0.712 21.725L3.101 21.248C3.627 23.873 5.955 25.779 8.636 25.779C11.324 25.779 13.656 23.873 14.182 21.248L16.571 21.725C15.818 25.484 12.481 28.212 8.636 28.212Z%22/%3E%3Cpath d=%22M15.364 6.244C14.560 5.448 13.503 4.970 12.387 4.896C11.144 4.812 9.941 5.253 9.001 6.132C8.194 6.887 7.670 7.893 7.496 8.972C6.884 8.627 6.200 8.421 5.491 8.378C4.250 8.301 3.056 8.744 2.120 9.623C1.123 10.560 0.551 11.879 0.551 13.242V18.121H2.987V13.242C2.987 12.547 3.280 11.874 3.789 11.396C4.230 10.982 4.780 10.772 5.341 10.807C5.880 10.84 6.391 11.070 6.776 11.451C7.195 11.869 7.426 12.425 7.426 13.016V18.121H9.862V9.757C9.862 9.060 10.155 8.386 10.666 7.908C11.109 7.494 11.661 7.288 12.226 7.324C12.757 7.360 13.262 7.590 13.645 7.968C14.064 8.386 14.294 8.942 14.294 9.533V18.121H16.730V9.533C16.730 8.292 16.246 7.125 15.364 6.244Z%22/%3E%3Cpath d=%22M6.808 5.971C6.808 6.854 6.091 7.570 5.206 7.570C4.322 7.570 3.605 6.854 3.605 5.971C3.605 5.088 4.322 4.372 5.206 4.372C6.091 4.372 6.808 5.088 6.808 5.971Z%22/%3E%3Cpath d=%22M13.679 2.150C13.679 3.033 12.962 3.749 12.078 3.749C11.194 3.749 10.477 3.033 10.477 2.150C10.477 1.266 11.194 0.550 12.078 0.550C12.962 0.550 13.679 1.266 13.679 2.150Z%22/%3E%3C/g%3E%3Cg transform=%22translate%2827 22%29%22%3E%3Cpath d=%22M8.636 28.212C4.797 28.212 1.465 25.484 0.712 21.725L3.101 21.248C3.627 23.873 5.955 25.779 8.636 25.779C11.324 25.779 13.656 23.873 14.182 21.248L16.571 21.725C15.818 25.484 12.481 28.212 8.636 28.212Z%22/%3E%3Cpath d=%22M15.364 6.244C14.560 5.448 13.503 4.970 12.387 4.896C11.144 4.812 9.941 5.253 9.001 6.132C8.194 6.887 7.670 7.893 7.496 8.972C6.884 8.627 6.200 8.421 5.491 8.378C4.250 8.301 3.056 8.744 2.120 9.623C1.123 10.560 0.551 11.879 0.551 13.242V18.121H2.987V13.242C2.987 12.547 3.280 11.874 3.789 11.396C4.230 10.982 4.780 10.772 5.341 10.807C5.880 10.84 6.391 11.070 6.776 11.451C7.195 11.869 7.426 12.425 7.426 13.016V18.121H9.862V9.757C9.862 9.060 10.155 8.386 10.666 7.908C11.109 7.494 11.661 7.288 12.226 7.324C12.757 7.360 13.262 7.590 13.645 7.968C14.064 8.386 14.294 8.942 14.294 9.533V18.121H16.730V9.533C16.730 8.292 16.246 7.125 15.364 6.244Z%22/%3E%3Cpath d=%22M6.808 5.971C6.808 6.854 6.091 7.570 5.206 7.570C4.322 7.570 3.605 6.854 3.605 5.971C3.605 5.088 4.322 4.372 5.206 4.372C6.091 4.372 6.808 5.088 6.808 5.971Z%22/%3E%3Cpath d=%22M13.679 2.150C13.679 3.033 12.962 3.749 12.078 3.749C11.194 3.749 10.477 3.033 10.477 2.150C10.477 1.266 11.194 0.550 12.078 0.550C12.962 0.550 13.679 1.266 13.679 2.150Z%22/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");--mark-pattern-white:url("data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%2248%22 height=%2240%22 viewBox=%220 0 48 40%22%3E%3Cg fill=%22%23FFFFFF%22 fill-opacity=%220.10%22%3E%3Cg transform=%22translate%283 2%29%22%3E%3Cpath d=%22M8.636 28.212C4.797 28.212 1.465 25.484 0.712 21.725L3.101 21.248C3.627 23.873 5.955 25.779 8.636 25.779C11.324 25.779 13.656 23.873 14.182 21.248L16.571 21.725C15.818 25.484 12.481 28.212 8.636 28.212Z%22/%3E%3Cpath d=%22M15.364 6.244C14.560 5.448 13.503 4.970 12.387 4.896C11.144 4.812 9.941 5.253 9.001 6.132C8.194 6.887 7.670 7.893 7.496 8.972C6.884 8.627 6.200 8.421 5.491 8.378C4.250 8.301 3.056 8.744 2.120 9.623C1.123 10.560 0.551 11.879 0.551 13.242V18.121H2.987V13.242C2.987 12.547 3.280 11.874 3.789 11.396C4.230 10.982 4.780 10.772 5.341 10.807C5.880 10.84 6.391 11.070 6.776 11.451C7.195 11.869 7.426 12.425 7.426 13.016V18.121H9.862V9.757C9.862 9.060 10.155 8.386 10.666 7.908C11.109 7.494 11.661 7.288 12.226 7.324C12.757 7.360 13.262 7.590 13.645 7.968C14.064 8.386 14.294 8.942 14.294 9.533V18.121H16.730V9.533C16.730 8.292 16.246 7.125 15.364 6.244Z%22/%3E%3Cpath d=%22M6.808 5.971C6.808 6.854 6.091 7.570 5.206 7.570C4.322 7.570 3.605 6.854 3.605 5.971C3.605 5.088 4.322 4.372 5.206 4.372C6.091 4.372 6.808 5.088 6.808 5.971Z%22/%3E%3Cpath d=%22M13.679 2.150C13.679 3.033 12.962 3.749 12.078 3.749C11.194 3.749 10.477 3.033 10.477 2.150C10.477 1.266 11.194 0.550 12.078 0.550C12.962 0.550 13.679 1.266 13.679 2.150Z%22/%3E%3C/g%3E%3Cg transform=%22translate%2827 -18%29%22%3E%3Cpath d=%22M8.636 28.212C4.797 28.212 1.465 25.484 0.712 21.725L3.101 21.248C3.627 23.873 5.955 25.779 8.636 25.779C11.324 25.779 13.656 23.873 14.182 21.248L16.571 21.725C15.818 25.484 12.481 28.212 8.636 28.212Z%22/%3E%3Cpath d=%22M15.364 6.244C14.560 5.448 13.503 4.970 12.387 4.896C11.144 4.812 9.941 5.253 9.001 6.132C8.194 6.887 7.670 7.893 7.496 8.972C6.884 8.627 6.200 8.421 5.491 8.378C4.250 8.301 3.056 8.744 2.120 9.623C1.123 10.560 0.551 11.879 0.551 13.242V18.121H2.987V13.242C2.987 12.547 3.280 11.874 3.789 11.396C4.230 10.982 4.780 10.772 5.341 10.807C5.880 10.84 6.391 11.070 6.776 11.451C7.195 11.869 7.426 12.425 7.426 13.016V18.121H9.862V9.757C9.862 9.060 10.155 8.386 10.666 7.908C11.109 7.494 11.661 7.288 12.226 7.324C12.757 7.360 13.262 7.590 13.645 7.968C14.064 8.386 14.294 8.942 14.294 9.533V18.121H16.730V9.533C16.730 8.292 16.246 7.125 15.364 6.244Z%22/%3E%3Cpath d=%22M6.808 5.971C6.808 6.854 6.091 7.570 5.206 7.570C4.322 7.570 3.605 6.854 3.605 5.971C3.605 5.088 4.322 4.372 5.206 4.372C6.091 4.372 6.808 5.088 6.808 5.971Z%22/%3E%3Cpath d=%22M13.679 2.150C13.679 3.033 12.962 3.749 12.078 3.749C11.194 3.749 10.477 3.033 10.477 2.150C10.477 1.266 11.194 0.550 12.078 0.550C12.962 0.550 13.679 1.266 13.679 2.150Z%22/%3E%3C/g%3E%3Cg transform=%22translate%2827 22%29%22%3E%3Cpath d=%22M8.636 28.212C4.797 28.212 1.465 25.484 0.712 21.725L3.101 21.248C3.627 23.873 5.955 25.779 8.636 25.779C11.324 25.779 13.656 23.873 14.182 21.248L16.571 21.725C15.818 25.484 12.481 28.212 8.636 28.212Z%22/%3E%3Cpath d=%22M15.364 6.244C14.560 5.448 13.503 4.970 12.387 4.896C11.144 4.812 9.941 5.253 9.001 6.132C8.194 6.887 7.670 7.893 7.496 8.972C6.884 8.627 6.200 8.421 5.491 8.378C4.250 8.301 3.056 8.744 2.120 9.623C1.123 10.560 0.551 11.879 0.551 13.242V18.121H2.987V13.242C2.987 12.547 3.280 11.874 3.789 11.396C4.230 10.982 4.780 10.772 5.341 10.807C5.880 10.84 6.391 11.070 6.776 11.451C7.195 11.869 7.426 12.425 7.426 13.016V18.121H9.862V9.757C9.862 9.060 10.155 8.386 10.666 7.908C11.109 7.494 11.661 7.288 12.226 7.324C12.757 7.360 13.262 7.590 13.645 7.968C14.064 8.386 14.294 8.942 14.294 9.533V18.121H16.730V9.533C16.730 8.292 16.246 7.125 15.364 6.244Z%22/%3E%3Cpath d=%22M6.808 5.971C6.808 6.854 6.091 7.570 5.206 7.570C4.322 7.570 3.605 6.854 3.605 5.971C3.605 5.088 4.322 4.372 5.206 4.372C6.091 4.372 6.808 5.088 6.808 5.971Z%22/%3E%3Cpath d=%22M13.679 2.150C13.679 3.033 12.962 3.749 12.078 3.749C11.194 3.749 10.477 3.033 10.477 2.150C10.477 1.266 11.194 0.550 12.078 0.550C12.962 0.550 13.679 1.266 13.679 2.150Z%22/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");--mark-pattern:url("data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%2248%22 height=%2240%22 viewBox=%220 0 48 40%22%3E%3Cg fill=%22%23134DA0%22 fill-opacity=%220.06%22%3E%3Cg transform=%22translate%283 2%29%22%3E%3Cpath d=%22M8.636 28.212C4.797 28.212 1.465 25.484 0.712 21.725L3.101 21.248C3.627 23.873 5.955 25.779 8.636 25.779C11.324 25.779 13.656 23.873 14.182 21.248L16.571 21.725C15.818 25.484 12.481 28.212 8.636 28.212Z%22/%3E%3Cpath d=%22M15.364 6.244C14.560 5.448 13.503 4.970 12.387 4.896C11.144 4.812 9.941 5.253 9.001 6.132C8.194 6.887 7.670 7.893 7.496 8.972C6.884 8.627 6.200 8.421 5.491 8.378C4.250 8.301 3.056 8.744 2.120 9.623C1.123 10.560 0.551 11.879 0.551 13.242V18.121H2.987V13.242C2.987 12.547 3.280 11.874 3.789 11.396C4.230 10.982 4.780 10.772 5.341 10.807C5.880 10.84 6.391 11.070 6.776 11.451C7.195 11.869 7.426 12.425 7.426 13.016V18.121H9.862V9.757C9.862 9.060 10.155 8.386 10.666 7.908C11.109 7.494 11.661 7.288 12.226 7.324C12.757 7.360 13.262 7.590 13.645 7.968C14.064 8.386 14.294 8.942 14.294 9.533V18.121H16.730V9.533C16.730 8.292 16.246 7.125 15.364 6.244Z%22/%3E%3Cpath d=%22M6.808 5.971C6.808 6.854 6.091 7.570 5.206 7.570C4.322 7.570 3.605 6.854 3.605 5.971C3.605 5.088 4.322 4.372 5.206 4.372C6.091 4.372 6.808 5.088 6.808 5.971Z%22/%3E%3Cpath d=%22M13.679 2.150C13.679 3.033 12.962 3.749 12.078 3.749C11.194 3.749 10.477 3.033 10.477 2.150C10.477 1.266 11.194 0.550 12.078 0.550C12.962 0.550 13.679 1.266 13.679 2.150Z%22/%3E%3C/g%3E%3Cg transform=%22translate%2827 -18%29%22%3E%3Cpath d=%22M8.636 28.212C4.797 28.212 1.465 25.484 0.712 21.725L3.101 21.248C3.627 23.873 5.955 25.779 8.636 25.779C11.324 25.779 13.656 23.873 14.182 21.248L16.571 21.725C15.818 25.484 12.481 28.212 8.636 28.212Z%22/%3E%3Cpath d=%22M15.364 6.244C14.560 5.448 13.503 4.970 12.387 4.896C11.144 4.812 9.941 5.253 9.001 6.132C8.194 6.887 7.670 7.893 7.496 8.972C6.884 8.627 6.200 8.421 5.491 8.378C4.250 8.301 3.056 8.744 2.120 9.623C1.123 10.560 0.551 11.879 0.551 13.242V18.121H2.987V13.242C2.987 12.547 3.280 11.874 3.789 11.396C4.230 10.982 4.780 10.772 5.341 10.807C5.880 10.84 6.391 11.070 6.776 11.451C7.195 11.869 7.426 12.425 7.426 13.016V18.121H9.862V9.757C9.862 9.060 10.155 8.386 10.666 7.908C11.109 7.494 11.661 7.288 12.226 7.324C12.757 7.360 13.262 7.590 13.645 7.968C14.064 8.386 14.294 8.942 14.294 9.533V18.121H16.730V9.533C16.730 8.292 16.246 7.125 15.364 6.244Z%22/%3E%3Cpath d=%22M6.808 5.971C6.808 6.854 6.091 7.570 5.206 7.570C4.322 7.570 3.605 6.854 3.605 5.971C3.605 5.088 4.322 4.372 5.206 4.372C6.091 4.372 6.808 5.088 6.808 5.971Z%22/%3E%3Cpath d=%22M13.679 2.150C13.679 3.033 12.962 3.749 12.078 3.749C11.194 3.749 10.477 3.033 10.477 2.150C10.477 1.266 11.194 0.550 12.078 0.550C12.962 0.550 13.679 1.266 13.679 2.150Z%22/%3E%3C/g%3E%3Cg transform=%22translate%2827 22%29%22%3E%3Cpath d=%22M8.636 28.212C4.797 28.212 1.465 25.484 0.712 21.725L3.101 21.248C3.627 23.873 5.955 25.779 8.636 25.779C11.324 25.779 13.656 23.873 14.182 21.248L16.571 21.725C15.818 25.484 12.481 28.212 8.636 28.212Z%22/%3E%3Cpath d=%22M15.364 6.244C14.560 5.448 13.503 4.970 12.387 4.896C11.144 4.812 9.941 5.253 9.001 6.132C8.194 6.887 7.670 7.893 7.496 8.972C6.884 8.627 6.200 8.421 5.491 8.378C4.250 8.301 3.056 8.744 2.120 9.623C1.123 10.560 0.551 11.879 0.551 13.242V18.121H2.987V13.242C2.987 12.547 3.280 11.874 3.789 11.396C4.230 10.982 4.780 10.772 5.341 10.807C5.880 10.84 6.391 11.070 6.776 11.451C7.195 11.869 7.426 12.425 7.426 13.016V18.121H9.862V9.757C9.862 9.060 10.155 8.386 10.666 7.908C11.109 7.494 11.661 7.288 12.226 7.324C12.757 7.360 13.262 7.590 13.645 7.968C14.064 8.386 14.294 8.942 14.294 9.533V18.121H16.730V9.533C16.730 8.292 16.246 7.125 15.364 6.244Z%22/%3E%3Cpath d=%22M6.808 5.971C6.808 6.854 6.091 7.570 5.206 7.570C4.322 7.570 3.605 6.854 3.605 5.971C3.605 5.088 4.322 4.372 5.206 4.372C6.091 4.372 6.808 5.088 6.808 5.971Z%22/%3E%3Cpath d=%22M13.679 2.150C13.679 3.033 12.962 3.749 12.078 3.749C11.194 3.749 10.477 3.033 10.477 2.150C10.477 1.266 11.194 0.550 12.078 0.550C12.962 0.550 13.679 1.266 13.679 2.150Z%22/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");--soft-blue:#ddeffb}.logo-sub{width:128px;height:auto;display:block}.wb-top .logo-sub{margin-inline-end:10px}@media (width<=700px){.logo-sub{width:108px}}.tech-help-btn{align-items:center;gap:8px;display:inline-flex}.th-q{background:var(--tint);width:20px;height:20px;color:var(--navy);box-shadow:inset 0 0 0 1.5px var(--line);border-radius:50%;place-items:center;font-size:12px;font-weight:700;display:inline-grid}.tech-help{box-sizing:border-box;width:min(520px,100%);max-height:calc(100dvh - 40px);padding:30px;overflow-y:auto}@media (width<=560px){.tech-help{padding:22px}.tech-help .ac-actions{flex-wrap:wrap}}.tech-help form{grid-template-columns:minmax(0,1fr);gap:8px;display:grid}.tech-help h2{color:var(--navy);margin-bottom:8px;font-size:26px}.th-eyebrow{letter-spacing:.06em;text-transform:uppercase;color:var(--sky);font-size:13px;font-weight:600}.tech-help label:not(.th-pick),.th-label{margin-top:6px;font-size:15px;font-weight:600}.tech-help textarea,.tech-help input[type=email]{font:inherit;border:1.5px solid var(--line);resize:vertical;border-radius:12px;width:100%;padding:12px 14px;font-size:16px}.tech-help textarea:focus,.tech-help input[type=email]:focus{border-color:var(--sky);outline:none;box-shadow:0 0 0 4px #2698dd26}.tech-help [aria-invalid=true]{border-color:#d9534f}.th-hint{color:var(--muted);font-size:13.5px}.th-err{color:#b3261e;font-size:13.5px;font-weight:500}.th-auto{background:var(--tint);border-radius:10px;margin-top:6px;padding:10px 12px}.th-file{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.th-file-name{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;max-width:260px;font-size:14px;overflow:hidden}.th-pick{cursor:pointer;position:relative}.th-pick input{opacity:0;cursor:pointer;position:absolute;inset:0}.th-pick:focus-within{outline:3px solid var(--sun);outline-offset:3px}.th-done{text-align:center;justify-items:center;gap:6px;padding:10px 0;display:grid}.th-done .ac-actions{justify-content:center}.th-tick{background:var(--leaf);color:#fff;border-radius:50%;place-items:center;width:56px;height:56px;margin-bottom:6px;font-size:28px;font-weight:700;display:grid}.th-num{color:var(--navy);font-size:18px;font-weight:700}.tickets{gap:14px;display:grid}.tickets-filter{flex-wrap:wrap;gap:8px;margin-bottom:4px;display:flex}.ticket{border-inline-start:6px solid var(--sky);gap:10px;padding:20px 22px;display:grid}.ticket.st-in_progress{border-inline-start-color:var(--sun)}.ticket.st-resolved{border-inline-start-color:var(--leaf);opacity:.85}.ticket-top{flex-wrap:wrap;align-items:baseline;gap:12px;display:flex}.ticket-top b{color:var(--navy);font-size:18px}.ticket-meta{color:var(--muted);font-size:13.5px}.ticket-msg{white-space:pre-wrap;background:var(--tint);border-radius:12px;padding:12px 14px}.ticket-ctx{color:var(--muted);word-break:break-word;font-size:12.5px}.ticket-edit{grid-template-columns:180px 1fr;align-items:start;gap:10px;display:grid}.ticket-edit select,.ticket-edit input,.ticket-edit textarea{font:inherit;border:1.5px solid var(--line);border-radius:10px;width:100%;padding:9px 12px;font-size:15px}.ticket-edit label{gap:4px;font-size:13px;font-weight:600;display:grid}.ticket-actions{justify-content:flex-end;align-items:center;gap:10px;display:flex}@media (width<=640px){.ticket-edit{grid-template-columns:1fr}}.errs{gap:14px;display:grid}.errs-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.errs-sum{color:var(--muted);font-size:14px}.errs-sum b{color:var(--navy)}.errs code,.errs-table code{color:var(--navy);margin-inline-end:8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}.errs-table{padding:6px 0;overflow:hidden}.errs-row{border-inline-start:6px solid var(--sky);border-top:1px solid var(--line);grid-template-columns:minmax(0,1fr) 80px 70px 110px 110px 130px;align-items:start;gap:12px;padding:14px 20px;font-size:14px;display:grid}.errs-row.errs-th{border-top:0;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);border-inline-start-color:#0000;padding-block:10px;font-size:12px;font-weight:700}.errs-row.k-save-failed{border-inline-start-color:var(--sun)}.errs-row.k-boundary{border-inline-start-color:var(--navy)}.errs-row.k-error{border-inline-start-color:var(--leaf)}.errs-msg{gap:4px;min-width:0;display:grid}.errs-msg small{color:var(--muted);word-break:break-word;font-size:12.5px}.errs-open{text-align:start;font:inherit;color:var(--ink);cursor:pointer;word-break:break-word;background:0 0;border:0;padding:0;font-weight:600}.errs-open:hover,.errs-open:focus-visible{color:var(--navy);text-decoration:underline}.errs-n{color:var(--navy);font-size:16px;font-weight:700}.errs-more{color:var(--muted);gap:6px;margin-top:6px;font-size:12.5px;display:grid}.errs-more pre{white-space:pre-wrap;word-break:break-word;background:var(--tint);color:var(--ink);border-radius:10px;max-height:220px;padding:10px 12px;font-size:12px;overflow:auto}@media (width<=760px){.errs-row{grid-template-columns:1fr 1fr 1fr}.errs-row .errs-msg{grid-column:1/-1}.errs-row.errs-th{display:none}.errs-row>span:not(.errs-msg):before{text-transform:uppercase;color:var(--muted);font-size:11px;font-weight:700;display:block}.errs-row>span:nth-child(2):before{content:"Reports"}.errs-row>span:nth-child(3):before{content:"People"}.errs-row>span:nth-child(4):before{content:"First seen"}.errs-row>span:nth-child(5):before{content:"Last seen"}.errs-row>span:nth-child(6):before{content:"Version"}}.kg-mat{place-items:center;width:100%;min-height:200px;padding:18px 8px 26px;display:grid;position:relative}.kg-row.stair{flex-direction:column;align-items:flex-start;gap:10px}.kg-place{flex-direction:column;align-items:center;gap:6px;transition:filter .25s;display:flex;position:relative}.kg-row.stair .kg-place{flex-direction:row;gap:14px}.kg-place.wait{opacity:0;transform:scale(.3)}.kg-place.lit{filter:drop-shadow(0 0 10px #fec44bf2)drop-shadow(0 0 2px #fec44b)}@keyframes kg-drop{0%{opacity:0;transform:translateY(-36px)scale(.6)}60%{opacity:1;transform:translateY(4px)scale(1.06)}to{transform:none}}.kg-label{border:2.5px solid var(--sun,#fec44b);min-width:40px;color:var(--navy,#134da0);text-align:center;background:#fff;border-radius:999px;padding:4px 12px;font-size:20px;font-weight:800;animation:.35s both mx-pop;box-shadow:0 3px #c9921a59}.kg-mark{background:var(--sky,#2698dd);color:#fff;min-width:34px;height:34px;box-shadow:0 3px 0 var(--navy,#134da0);z-index:4;border-radius:17px;place-items:center;padding:0 8px;font-size:19px;font-weight:800;animation:.3s both mx-pop;display:grid;position:absolute;translate:-50%}.kg-hand{z-index:6;pointer-events:none;opacity:0;filter:drop-shadow(0 6px 6px #051a4738);transition:transform .45s cubic-bezier(.3,.8,.3,1),opacity .3s;position:absolute;top:0;left:0}.kg-hand.on{opacity:.9}.kg-mat .kg-row,.kgw-row .kgw-pic,.kg-move-item .kg-move-art,.kg-move .kg-tray{z-index:2;position:relative}.kg-move-art{place-items:center;display:grid}.kg-mat .kg-hand,.kgw-row .kg-hand{z-index:1}.kg-label.kg-label-slot{visibility:hidden;animation:none}.kg-hand-tap{transform-origin:30% 0;animation:.5s ease-out .35s both kg-tap;display:block}@keyframes kg-tap{0%,to{transform:none}45%{transform:translateY(6px)scale(.92)}}.kg-count{overflow:visible}.kg-count.hint{border-color:var(--sun,#fec44b);animation:1.2s ease-in-out infinite kg-hint}@keyframes kg-hint{50%{box-shadow:0 0 0 8px #fec44b59}}.kg-hint-hand{z-index:1;opacity:.9;pointer-events:none;margin-left:-11px;animation:1s ease-in-out infinite kg-nudge;position:absolute;top:calc(100% + 2px);left:50%}.kg-hint-hand img{display:block}@keyframes kg-nudge{0%,80%,to{transform:none}88%{transform:translateY(-3px)}94%{transform:translateY(1px)}}@keyframes kg-bob{50%{transform:translate(-4px,-8px)}}.pres-next.glow{animation:1.4s ease-in-out infinite kg-next}@keyframes kg-next{50%{transform:translate(4px)}}.pres-tag{align-items:center;gap:6px;display:inline-flex}.pres-tag.watch,.pres-tag.you{font-size:14px}.pres-tag.you{color:#9a6a00}.kg-stage .pres-choices{gap:14px}@media (prefers-reduced-motion:reduce){.kg-place.in,.kg-label,.kg-mark,.kg-count.hint,.kg-hint-hand,.pres-next.glow{animation:none}.kg-hand{display:none}}.kg-stage,.kg-stage button,.kg-place{touch-action:manipulation;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}.kg-place{cursor:pointer}.kg-place.poke{animation:.45s cubic-bezier(.2,.9,.3,1.4) kg-poke}@keyframes kg-poke{30%{transform:translateY(-14px)scale(1.08)}60%{transform:translateY(2px)scale(.97)}}.kg-count{min-width:76px;min-height:76px}.kg-stage .pres-choice{min-width:88px;min-height:88px}.kg-count:active,.kg-stage .pres-choice:active{transform:scale(.94)}@media (prefers-reduced-motion:reduce){.kg-place.poke{animation:none}}.kg-move{touch-action:none;flex-direction:column;align-items:center;gap:18px;width:100%;display:flex;position:relative}.kg-move-mat{flex-wrap:wrap;justify-content:center;gap:14px;min-height:84px;display:flex}.kg-move-item{cursor:grab;touch-action:none;background:0 0;border:0;border-radius:18px;place-items:center;min-width:76px;min-height:76px;padding:6px;transition:transform .25s cubic-bezier(.2,.9,.3,1.2),opacity .2s;display:grid;position:relative}.kg-move-item.dragging{cursor:grabbing;z-index:8;filter:drop-shadow(0 10px 10px #051a4740);transition:none}.kg-move-item.gone{opacity:0;pointer-events:none}.kg-move-item.hint{background:#fec44b2e;animation:1.2s ease-in-out infinite kg-hint}.kg-tray{background:linear-gradient(#f3ddb7,#e9cb98);border:3px solid #c99a5e;border-radius:22px;flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:8px;min-width:min(560px,92%);min-height:112px;padding:16px 20px 14px;transition:box-shadow .3s;display:flex;position:relative;box-shadow:inset 0 6px #ffffff59,inset 0 -6px #a6743940,0 6px #b98a4f}.kg-tray.full{box-shadow:inset 0 6px #ffffff59,0 0 0 6px #2e9e5b40,0 6px #b98a4f}.kg-tray-slot{place-items:center;padding:4px;animation:.3s both mx-pop;display:grid;position:relative}.kg-tray-slot.landing{opacity:0;animation:none}.kg-tray-slot .kg-num{top:auto;bottom:-14px;right:50%;translate:50%}.kg-tray-empty{opacity:.55;animation:1.2s ease-in-out infinite kg-bob}.kg-fly{z-index:9;pointer-events:none;place-items:center;transition:left .45s cubic-bezier(.3,.8,.3,1),top .45s cubic-bezier(.3,.8,.3,1);display:grid;position:absolute}.kg-fly.go{animation:.45s ease-out kg-hop}@keyframes kg-hop{50%{transform:translateY(-26px)scale(1.1)}}@media (prefers-reduced-motion:reduce){.kg-move-item.hint,.kg-tray-empty,.kg-fly.go{animation:none}}.kg-hand{transition:transform .85s cubic-bezier(.35,.1,.25,1),opacity .35s!important}.kg-fly{transition:left .75s cubic-bezier(.35,.1,.25,1),top .75s cubic-bezier(.35,.1,.25,1)!important}.kg-fly.go{animation-duration:.75s!important}.pres-pause{border:2px solid var(--line,#dce8f5);width:48px;height:48px;color:var(--navy,#134da0);cursor:pointer;touch-action:manipulation;background:#fff;border-radius:50%;place-items:center;display:grid}.pres-pause.paused{background:var(--sun,#fec44b);color:#5a3d00;border-color:#c9921a;animation:1.4s ease-in-out infinite kg-hint}.pres-next.auto{position:relative;overflow:hidden}.pres-next .pres-auto{background:var(--sun,#fec44b);transform-origin:0;width:100%;height:5px;animation:kg-auto var(--auto,4s) linear both;position:absolute;bottom:0;left:0}@keyframes kg-auto{0%{transform:scaleX(0)}to{transform:scaleX(1)}}@media (prefers-reduced-motion:reduce){.pres-next .pres-auto{animation:none;transform:none}}.kg-row.stair .kg-place{align-self:flex-start}.kg-row.stair .kg-thing{justify-content:flex-start;min-width:0}.kgw .kgw-say{color:var(--navy,#0f3a7d);cursor:pointer;margin:4px 0 10px;font-size:1.05rem;font-weight:700}.kgw-row{flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:14px;padding:10px 6px 18px;display:flex;position:relative}.kgw-pic{cursor:pointer;touch-action:manipulation;background:#fff;border:3px solid #d7e6f5;border-radius:18px;place-items:center;min-width:84px;min-height:84px;padding:10px 12px;transition:transform .2s,border-color .2s,box-shadow .2s;display:grid}.kgw-pic:hover{transform:translateY(-2px)}.kgw-pic.ok{border-color:#3db26b;animation:.45s ease-out kgw-pop;box-shadow:0 0 0 4px #3db26b40}.kgw-pic.no{border-color:#e5484d;animation:.4s kgw-shake}@keyframes kgw-pop{0%{transform:scale(1)}50%{transform:scale(1.08)}to{transform:scale(1)}}@keyframes kgw-shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}@media (prefers-reduced-motion:reduce){.kgw-pic,.kgw-pic.ok,.kgw-pic.no{transition:none;animation:none}}.kgw-show{zoom:1.15;flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:18px;padding:4px 6px 0;display:flex}.st-away{opacity:.32}.story-play .st-in{animation:st-pop .38s cubic-bezier(.3, 1.5, .5, 1) var(--d) both;transform-box:fill-box;transform-origin:50% 100%}.story-play .st-away{animation:st-hop .9s ease-in-out var(--h) both;transform-box:fill-box;transform-origin:50% 100%}.story-play .st-cross{animation:st-fade .3s ease-out calc(var(--h) + .8s) both}@keyframes st-pop{0%{opacity:0;transform:scale(.2)translateY(14px)}to{opacity:1;transform:none}}@keyframes st-hop{0%{opacity:1;transform:none}35%{opacity:1;transform:translate(10px,-28px)rotate(-10deg)}70%{opacity:.6;transform:translate(18px,-6px)rotate(6deg)}to{opacity:.32;transform:none}}@keyframes st-fade{0%{opacity:0}to{opacity:1}}.story{cursor:pointer;flex-direction:column;align-items:center;gap:8px;display:flex}.story-btn{background:var(--navy,#0f3a7d);color:#fff;cursor:pointer;z-index:2;border:0;border-radius:999px;order:2;align-items:center;gap:6px;padding:7px 12px 7px 10px;font-size:.9rem;font-weight:800;display:inline-flex;box-shadow:0 4px 10px #051a4733}.story-btn:hover{transform:translateY(-1px)}@media (prefers-reduced-motion:reduce){.story-play .st-in,.story-play .st-away,.story-play .st-cross{animation:none}}.wrd-steps{flex-wrap:nowrap;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;width:100%;max-width:420px;display:grid}.wrd-steps li{text-align:center;font:700 14px/1.2 var(--font);color:var(--muted);background:0 0;border:0;border-radius:0;flex-direction:column;align-items:center;gap:6px;padding:0 4px;display:flex;position:relative}.wrd-steps li+li:before{content:"";background:var(--line);border-radius:3px;width:calc(100% - 40px);height:3px;position:absolute;top:15px;right:calc(50% + 20px)}.wrd-steps li.ok+li:before{background:var(--ok)}.wrd-steps b{width:32px;height:32px;font-size:15px;box-shadow:0 0 0 3px #fff}.wrd-steps li.now{color:var(--navy)}.wrd-steps li.now b{box-shadow:0 0 0 3px #fff, 0 0 0 6px var(--sky)}.wrd-body{justify-items:stretch}.wrd.compact .wrd-body{gap:12px}.kg-mat{padding-bottom:76px}.kgw-row{padding-bottom:70px}.wb-right .btn.wide{white-space:normal;text-align:center;line-height:1.2}.snd{cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;justify-content:center;align-items:center;display:inline-flex;position:relative}.snd-art{transform-origin:50% 90%;display:inline-flex}.snd-waves{opacity:.55;transition:opacity .2s;position:absolute;top:50%;right:-14px;transform:translateY(-50%)}.snd.on .snd-waves,.sounding .snd-waves,.kg-place.lit .snd-waves{opacity:1;animation:.5s ease-in-out infinite alternate snd-pulse}.snd.on .snd-art,.sounding .snd-art,.kg-place.lit .snd-art{animation:.32s ease-in-out infinite snd-wiggle}.snd-shaker.on .snd-art,.sounding .snd-shaker .snd-art,.kg-place.lit .snd-shaker .snd-art{animation:.22s ease-in-out infinite snd-shake}.snd-listen{border-radius:50%;transition:transform .15s}.snd-listen:hover{transform:scale(1.05)}.snd-listen:not(.on){animation:2.4s ease-in-out infinite snd-breathe}.snd-listen.on,.kg-place.lit .snd-listen{transform:scale(1.08)}.snd-listen .snd-w1,.snd-listen .snd-w2{opacity:.45}.snd-listen.on .snd-w1,.kg-place.lit .snd-listen .snd-w1{opacity:1;animation:.45s ease-in-out infinite alternate snd-wave}.snd-listen.on .snd-w2,.kg-place.lit .snd-listen .snd-w2{opacity:1;animation:.45s ease-in-out .15s infinite alternate snd-wave}@keyframes snd-wave{0%{opacity:.6;transform:scale(.85)}to{opacity:1;transform:scale(1.1)}}.ch.sounding{box-shadow:0 0 0 4px #fec44b}.snd-all{border:2.5px solid var(--navy);background:var(--sky);color:#fff;cursor:pointer;width:58px;height:58px;box-shadow:0 4px 0 var(--navy);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 10px;transition:transform .12s,box-shadow .12s;display:flex}.snd-all:active{box-shadow:0 1px 0 var(--navy);transform:translateY(3px)}.item-model .snd-listen,.item-model .snd-shaker{margin:4px auto}@keyframes snd-wiggle{0%,to{transform:rotate(0)}25%{transform:rotate(-5deg)scale(1.04)}75%{transform:rotate(5deg)scale(1.04)}}@keyframes snd-shake{0%,to{transform:translateY(0)rotate(0)}25%{transform:translateY(-6px)rotate(-8deg)}75%{transform:translateY(-6px)rotate(8deg)}}@keyframes snd-pulse{0%{transform:translateY(-50%)scale(.85)}to{transform:translateY(-50%)scale(1.12)}}.snd-listen .snd-w1,.snd-listen .snd-w2{transform-box:fill-box;transform-origin:0}@keyframes snd-breathe{0%,to{box-shadow:0 0 #2698dd59}50%{box-shadow:0 0 0 10px #2698dd00}}@media (prefers-reduced-motion:reduce){.snd *,.snd,.sounding .snd-art{animation:none!important}}.item-snd .item-model{justify-content:center;display:flex}.item-snd .item-body{text-align:center;align-items:center}.item-snd .item-choices-wrap,.item-snd .item-choices{justify-content:center}.wm-piece.ringing>*{animation:.22s ease-in-out infinite snd-shake}@media (prefers-reduced-motion:reduce){.wm-piece.ringing>*{animation:none}}.en-word{cursor:pointer;touch-action:manipulation;transition:transform .15s;display:inline-flex}.en-word.on,.sounding .en-word{transform:scale(1.08)}.en-word .en-w1,.en-word .en-w2,.en-word .en-w3{transform-box:fill-box;transform-origin:0}.en-word.on .en-w1,.sounding .en-word .en-w1{animation:.4s ease-in-out infinite alternate snd-wave}.en-word.on .en-w2,.sounding .en-word .en-w2{animation:.4s ease-in-out .12s infinite alternate snd-wave}.en-card{border:2px solid #e6eef7;border-bottom:6px solid var(--sky,#2698dd);background:#fff;border-radius:12px;justify-content:center;align-items:center;padding:8px;display:inline-flex;box-shadow:0 3px 8px -4px #0e2a5240}.en-talk{cursor:pointer;touch-action:manipulation;transition:transform .15s;position:relative}.en-talk.on,.sounding .en-talk{transform:scale(1.06);box-shadow:0 0 0 4px #ef7b7b59}.en-talk-badge{position:absolute;top:-8px;right:-8px}.en-tray{background:#e9c894;border:3px solid #c9a065;border-radius:14px;align-items:flex-end;gap:4px;padding:8px 12px 10px;display:inline-flex;box-shadow:inset 0 -4px #00000014}.en-tray-thing{display:inline-flex}.ch .en-card{box-shadow:none;background:0 0;border:0;padding:2px}.ch .en-talk-badge{top:-4px;right:-4px}@media (prefers-reduced-motion:reduce){.en-word *,.en-word{transition:none;animation:none!important}}:root[data-subject=ela] .item .item-model{justify-content:center;display:flex}:root[data-subject=ela] .item .item-body{text-align:center;align-items:center}:root[data-subject=ela] .item .item-choices-wrap,:root[data-subject=ela] .item .item-choices,:root[data-subject=ela] .item .seq{justify-content:center}.tk-away{opacity:.3;animation:tk-hop 1s ease-in-out var(--h,.7s) both;transform-box:fill-box;transform-origin:50% 100%}.tk-cross{animation:st-fade .3s ease-out calc(var(--h,.7s) + .9s) both}@keyframes tk-hop{0%{opacity:1;transform:none}35%{opacity:1;transform:translate(8px,-22px)rotate(-10deg)}70%{opacity:.55;transform:translate(14px,-4px)rotate(6deg)}to{opacity:.3;transform:none}}@media (prefers-reduced-motion:reduce){.tk-away,.tk-cross{animation:none}}.story-shelf{grid-template-columns:repeat(auto-fill,minmax(min(280px,100%),1fr));gap:24px;min-width:0;display:grid}.story-card{color:inherit;grid-template-rows:auto 1fr auto;gap:14px;padding:14px 14px 20px;text-decoration:none;display:grid}.story-card img{aspect-ratio:16/9;object-fit:cover;border-radius:16px;width:100%;display:block}.story-txt{gap:6px;padding:0 6px;display:grid}.story-txt b{color:var(--navy,#134da0);font-size:22px}.story-txt span{font-size:17px}.story-txt small{color:var(--muted);font-size:15px}.story-go{justify-self:start;margin-left:6px}.story-card:focus-visible{outline-offset:3px;outline:3px solid #2698dd}.story-level{gap:8px;min-width:0;margin-top:28px;display:grid}.story-level-h{color:var(--navy,#134da0);margin:0;font-size:24px}.story-level-sub{color:var(--muted);margin:0 0 8px;font-size:16px}.story-soon{opacity:.72;cursor:default;grid-template-rows:auto 1fr}.story-soon-pic{aspect-ratio:16/9;color:var(--muted);background:repeating-linear-gradient(135deg,#eaf4fc 0 14px,#f4f9fe 14px 28px);border:2px dashed #d3e3f1;border-radius:16px;place-items:center;font-size:18px;font-weight:700;display:grid}.fz{gap:28px}.fz-sky{background:var(--tint) var(--pat-line);border:1px solid #e1eef9;border-radius:32px;justify-content:space-between;align-items:center;gap:20px;min-height:230px;padding:40px 44px;display:flex;position:relative;overflow:hidden;box-shadow:0 18px 34px -24px #134da073}.fz-head{z-index:2;position:relative}.fz-title{color:var(--navy);letter-spacing:-.02em;margin:0;padding-bottom:18px;font-size:clamp(44px,7vw,72px);font-weight:700;line-height:1.05;position:relative}.fz-title:after{content:"";background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 34 9'%3E%3Cpath d='M3 1.5c7 7.5 21 7.5 28 0' stroke='%23FEC44B' stroke-width='3.4' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") 50%/contain no-repeat;width:120px;height:22px;position:absolute;bottom:0;left:0}.fz-sub{color:var(--muted);margin:14px 0 0;font-size:21px;font-weight:500}.fz-pip{z-index:2;cursor:pointer;background:0 0;border:0;flex:none;width:clamp(130px,18vw,190px);padding:0;animation:3.2s ease-in-out infinite fz-fly;position:relative}.fz-pip img{filter:drop-shadow(0 10px 8px #134da040);width:100%;height:auto;display:block}.fz-pip:hover img{animation:.6s ease-in-out infinite fd-wiggle}.fz-pip:focus-visible{outline:3px solid var(--navy);outline-offset:6px;border-radius:20px}.fz-bubble{white-space:nowrap;color:var(--navy);background:#fff;border-radius:16px 16px 4px;padding:8px 14px;font-size:16px;font-weight:700;position:absolute;top:-6px;right:78%;box-shadow:0 6px 14px -6px #134da066}.fz-cloud{opacity:.85;background:#fff;border-radius:999px;animation:26s linear infinite fz-drift;position:absolute}.fz-cloud:before,.fz-cloud:after{content:"";background:#fff;border-radius:50%;position:absolute}.fz-cloud:before{width:55%;height:160%;bottom:20%;left:15%}.fz-cloud:after{width:40%;height:130%;bottom:25%;right:12%}.fz-cloud.c1{width:120px;height:34px;top:26px;left:38%}.fz-cloud.c2{opacity:.7;width:90px;height:26px;animation-duration:34s;top:120px;left:62%}.fz-cloud.c3{opacity:.6;width:70px;height:20px;animation-duration:40s;top:40px;left:6%}.fz-star{color:#fec44b;z-index:1;font-size:22px;animation:2s ease-in-out infinite fd-twinkle;position:absolute}.fz-star.st0{top:18px;left:30%}.fz-star.st1{font-size:16px;animation-delay:.4s;top:60%;left:50%}.fz-star.st2{animation-delay:.9s;top:22px;right:26%}.fz-star.st3{font-size:18px;animation-delay:1.3s;bottom:26px;left:4%}.fz-star.st4{font-size:14px;animation-delay:.2s;top:46%;right:4%}.fz-star.st5{font-size:15px;animation-delay:1.6s;bottom:34px;right:30%}.fz-doors{grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:28px;min-width:0;display:grid}.fz-door{color:#fff;border-radius:30px;justify-items:start;gap:6px;padding:22px 26px 26px;text-decoration:none;transition:transform .2s;display:grid;position:relative;overflow:hidden;box-shadow:inset 0 -8px #00000024,0 18px 30px -18px #134da099}.fz-door:before{content:"";pointer-events:none;background:radial-gradient(circle at 12% 18%,#ffffff40 0 6px,#0000 7px),radial-gradient(circle at 88% 12%,#fff3 0 9px,#0000 10px),radial-gradient(circle at 70% 60%,#ffffff24 0 5px,#0000 6px);position:absolute;inset:0}.fz-story{background:#ef7b7b}.fz-games{background:var(--navy)}.fz-door:hover{transform:translateY(-6px)rotate(-.6deg)}.fz-door:focus-visible{outline:4px solid var(--sky);outline-offset:4px}.fz-pic{background:radial-gradient(55% 42% at 50% 68%,#ffffff52,#0000 72%);border-radius:22px;justify-content:center;justify-self:stretch;align-items:flex-end;height:clamp(170px,22vw,220px);margin-bottom:8px;display:flex}.fz-pic img{object-fit:contain;filter:drop-shadow(0 12px 10px #0000002e);width:auto;max-width:100%;height:100%;transition:transform .3s}.fz-door:hover .fz-pic img{transform:scale(1.07)rotate(-2deg)}.fz-door b{font-size:34px;font-weight:700;line-height:1.05}.fz-door>span:not(.fz-pic):not(.fz-go){opacity:.95;font-size:18px}.fz-go{color:var(--navy);background:#fff;border-radius:999px;margin-top:10px;padding:10px 20px;font-size:18px;font-weight:700;box-shadow:inset 0 -3px #0000001a}.fz-go i{font-style:normal;transition:transform .2s;display:inline-block}.fz-door:hover .fz-go i{transform:translate(4px)}@keyframes fz-fly{0%,to{transform:translateY(0)rotate(-3deg)}50%{transform:translateY(-12px)rotate(3deg)}}@keyframes fz-drift{0%{transform:translate(0)}to{transform:translate(-140%)}}@media (width<=700px){.fz-sky{flex-direction:column-reverse;align-items:flex-start;padding:26px 22px 30px}.fz-pip{align-self:flex-end;width:120px;margin-bottom:-10px}.fz-bubble{font-size:14px}.fz-sub{font-size:19px}}@media (prefers-reduced-motion:reduce){.fz *,.fun-door *{animation:none!important}}.item-snd .item-body{flex-direction:column;display:flex}.item-snd .item-choices-wrap{flex-wrap:nowrap;gap:14px}.item-snd .item-choices{flex-wrap:nowrap}.item-choices-wrap:has(>.seq){flex-wrap:wrap}.item-choices-wrap>.seq{flex-wrap:nowrap;flex:0 0 100%;justify-content:center}.item-choices-wrap>.seq.words{flex-wrap:wrap;row-gap:10px}.seq-slot.word{width:auto;min-width:72px;padding:0 4px}.seq-slot.word>*{flex:none}.snd-choices>.snd-all{flex:none;margin:0}@media (width<=600px){.item-snd .item-choices-wrap,.item-snd .item-choices{flex-wrap:wrap}}.en-sound-card{min-width:calc(var(--h) * 1.15);cursor:pointer;touch-action:manipulation;border-radius:12px;justify-content:center;align-items:center;padding:8px 10px;transition:transform .15s;display:inline-flex;box-shadow:0 3px #0000001f}.en-sound-card.cons{background:#f7c6d2}.en-sound-card.vowel{background:#bfddf6}.en-sound-card.on{transform:scale(1.08)}.en-letters{font-family:var(--book-font);padding:0 .04em .12em;font-weight:600;line-height:1;display:inline-block}.en-object{cursor:pointer;touch-action:manipulation;justify-content:center;align-items:center;transition:transform .15s;display:inline-flex}.en-object img{object-fit:contain;filter:drop-shadow(0 4px 4px #3c280a38);max-width:100%;max-height:100%}.en-object.on{transform:scale(1.08)}.sb{flex-direction:column;align-items:center;gap:14px;width:100%;max-width:560px;margin:6px auto 0;display:flex}.sb-mat{background:#dce8c8 radial-gradient(#ffffff2e 1px,#0000 1px) 0 0/6px 6px;border-radius:14px;align-items:center;gap:14px;width:100%;min-height:150px;padding:16px 18px;display:flex;box-shadow:inset 0 0 0 3px #ffffff73,0 2px #0000000f}.sb-card{flex:none}.sb-placed{flex-wrap:wrap;flex:1;align-items:center;gap:8px;min-height:100px;display:flex}.sb-hint{border:3px dashed #506e3259;border-radius:50%;width:96px;height:96px}.sb-basket{aspect-ratio:16/7;background:bottom/contain no-repeat;justify-content:center;align-items:flex-end;width:100%;display:flex;position:relative}.sb-in{flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:2px 6px;width:74%;margin-bottom:15%;display:flex}.sb-obj{all:unset;cursor:pointer;border-radius:12px;transition:transform .2s;animation:.3s ease-out sbIn}.sb-obj:hover{transform:translateY(-4px)}.sb-obj:focus-visible{outline:3px solid var(--sky,#2698dd);outline-offset:2px}.sb-gap{width:0}.sb.ok .sb-mat{box-shadow:inset 0 0 0 3px #3fae6a}.sb.no .sb-mat{box-shadow:inset 0 0 0 3px #e06a5a}@keyframes sbIn{0%{opacity:0;transform:translateY(14px)scale(.85)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.sb-obj{animation:none}}.en-scene{background:#fff;border:2px solid #e6eef7;border-radius:14px;flex-direction:column;align-items:center;gap:10px;padding:10px 14px 12px;display:inline-flex}.en-scene-pic{display:inline-flex}.talk-turn{box-sizing:border-box;background:#f3faff;border:2px solid #d3e5f6;border-radius:16px;flex-direction:column;align-items:center;gap:12px;width:100%;max-width:420px;margin:6px auto 0;padding:14px 16px;display:flex}.talk-turn.done{border-color:#a2c466}.talk-turn-pic{max-width:100%;display:inline-flex}.talk-turn-pic>svg{width:auto;max-width:100%;height:96px}.talk-turn-starters{flex-direction:column;gap:6px;width:100%;margin:0;padding:0;list-style:none;display:flex}.talk-turn-starters li{font-family:Teachers, var(--font);color:var(--navy,#134da0);text-align:left;border-left:4px solid #5baee1;padding-left:14px;font-size:20px;font-weight:600}.talk-turn-who{gap:8px;width:100%;display:flex}.talk-turn-token{text-align:center;color:#5b6b80;border:2px solid #d3e5f6;border-radius:10px;flex:1;padding:10px 8px;font-size:15px;font-weight:700}.talk-turn-token.on{background:var(--navy,#134da0);border-color:var(--navy,#134da0);color:#fff}.talk-turn-actions{gap:10px;width:100%;display:flex}.talk-turn-actions .btn{flex:1;min-height:48px}.en-book{box-sizing:border-box;width:var(--bw);height:var(--bh);font-family:Teachers, var(--font);text-align:center;flex-direction:column;align-items:center;gap:.4em;padding:.7em .6em;line-height:1.15;display:inline-flex;position:relative}.en-book-cover{background:var(--bk);color:#fff;border-radius:3px 10px 10px 3px;padding-left:1.1em;box-shadow:inset .55em 0 #134da047,0 2px #134da02e}.en-book-back{border-radius:10px 3px 3px 10px;justify-content:space-between;padding-left:.6em;padding-right:1.1em;box-shadow:inset -.55em 0 #134da047,0 2px #134da02e}.en-book-title{font-size:1.25em;font-weight:700}.en-book-cover .en-book-title{align-items:center;min-height:2.3em;display:flex}.en-book-pic{flex:1;justify-content:center;align-items:center;min-height:0;display:inline-flex}.en-book-pic-sm{flex:none}.en-book-by{font-size:.78em;font-weight:600}.en-book-blurb{flex-direction:column;gap:.45em;width:100%;padding-top:.4em;display:flex}.en-book-blurb i,.en-book-code i{background:#fff9;border-radius:99px;width:100%;height:.38em;display:block}.en-book-code{align-self:flex-end;gap:.2em;height:1.6em;display:flex}.en-book-code i{background:#ffffffd9;border-radius:0;width:.16em;height:100%}.en-book-code i:nth-child(2n){width:.32em}.en-book-spine{width:calc(var(--bw) * .3);background:var(--bk);color:#fff;border-radius:4px;justify-content:space-between;padding:.9em 0;box-shadow:inset 0 .5em #134da033,inset 0 -.5em #134da033}.en-book-spine-title{writing-mode:vertical-rl;white-space:nowrap;font-size:1.1em;font-weight:700}.en-book-spine-by{writing-mode:vertical-rl;font-size:.7em;font-weight:600}.en-book-paper{color:#1f2430;background:#f3faff;border:2px solid #d3e5f6;border-radius:4px}.en-book-titlepage{justify-content:center}.en-book-titlepage .en-book-title{color:var(--navy,#134da0)}.en-book-head{color:var(--navy,#134da0);font-size:1.05em;font-weight:700}.en-book-contents{justify-content:flex-start;align-items:stretch;gap:.55em;padding-top:1em}.en-book-contents .en-book-head{text-align:center;margin-bottom:.2em}.en-book-row{align-items:baseline;gap:.3em;font-size:.92em;font-weight:600;display:flex}.en-book-dots{border-bottom:2px dotted #9db7d3;flex:1;transform:translateY(-.25em)}.en-book-page{justify-content:flex-start}.en-book-gloss{text-align:left;font-size:.92em;line-height:1.25}.en-book-gloss b{color:var(--navy,#134da0)}.en-book-text{font-size:.9em}.en-book-num{color:#5b6b80;font-size:.75em;font-weight:700;position:absolute;bottom:.35em;right:.6em}.en-moveable{filter:drop-shadow(0 2px #0e2a5238);justify-content:center;align-items:center;padding:2px 6px;font-weight:700;line-height:1;display:inline-flex}.en-tile{background:#fff;border:1.5px solid #d5dce6;border-radius:9px;justify-content:center;align-items:center;padding:6px 8px;display:inline-flex}.en-print{font-family:Teachers, var(--font);color:#1f2430;letter-spacing:.01em;background:#fff;border:2px solid #e6eef7;border-radius:12px;padding:8px 16px;font-weight:600;line-height:1.2;display:inline-block}.ch .en-print{background:0 0;border:0;padding:4px 8px}.en-trace{box-sizing:border-box;background:#fffdf7;border:2px solid #eadfc8;border-radius:16px;max-width:100%;padding:10px 14px;display:inline-flex;position:relative}.en-trace>svg{max-width:100%;height:auto}.en-trace.done{border-color:#8cc56b}.en-trace-line{stroke:#c9d6e8;stroke-width:1.5px}.en-trace-line.dash{stroke-dasharray:5 5}.en-trace-guide{fill:none;stroke:#e4e7ee;stroke-width:16px;stroke-linecap:round;stroke-linejoin:round}.en-trace-ink{fill:none;stroke:#2276c9;stroke-width:12px;stroke-linecap:round;stroke-linejoin:round}.en-trace-ink.demo{stroke:#d2335c}.en-trace-cursive .en-trace-guide{stroke-width:9px}.en-trace-cursive .en-trace-ink{stroke-width:6px}.en-trace-start{fill:#4caf50;stroke:#fff;stroke-width:2.5px}.en-trace-finger{fill:#ef7b7b80;stroke:#ef7b7b;stroke-width:2px}.en-trace-arrow path{fill:none;stroke:#f5a623;stroke-width:3px;stroke-linecap:round;stroke-linejoin:round}.en-trace-watch{color:#134da0;cursor:pointer;background:#eaf2fb;border:0;border-radius:50%;width:30px;height:30px;font-size:13px;position:absolute;top:6px;right:6px}.story-passage{background:#fffbf2;border:2px solid #f3e3c3;border-radius:16px;margin:6px 0 18px;padding:16px 20px}.story-passage .story-head{align-items:center;gap:12px;margin-bottom:6px;display:flex}.story-passage h3{color:var(--navy,#134da0);margin:0;font-size:22px}.story-passage p{font-family:Teachers, var(--font);color:#1f2430;margin:0;font-size:24px;line-height:1.5}.story-passage:not(.read) p{color:#4a5368;font-size:18px}.story-passage.with-picture:after{content:"";clear:both;display:block}.story-figure{float:right;width:44%;margin:2px 0 10px 18px}.story-figure img{border:2px solid #f3e3c3;border-radius:14px;width:100%;height:auto;display:block}.story-figure img+img{margin-top:10px}.q-photo{margin:0 0 8px}.q-photo img{aspect-ratio:956/720;object-fit:cover;border-radius:12px;width:100%;max-width:220px;height:auto;display:block}@media (width<=720px){.story-figure{float:none;width:100%;margin:4px 0 12px}}.wst-show{flex-direction:column}.wsh{flex-wrap:wrap;justify-content:center;align-items:center;gap:14px 22px;width:100%;display:flex}.wsh-panel{justify-items:center;gap:8px;max-width:100%;margin:0;display:grid}.wsh-panel>svg,.wsh-panel svg.wst-svg{max-width:100%;height:auto}.wsh-cap{background:var(--navy);color:#fff;font:700 15px var(--font);text-align:center;border-radius:999px;max-width:100%;padding:4px 12px}.wsh-row,.wsh-golden{flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:16px;display:flex}.wsh-grp{border:3px solid #0000;border-radius:12px;flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:5px;padding:6px;transition:border-color .3s,background .3s;display:flex}.wsh-grp.hi{background:#fff6da;border-color:#fec44b}.wsh-it{justify-items:center;gap:2px;transition:opacity .45s,filter .45s;animation:.35s ease-out wst-pop;display:grid}.wsh-it.gone{opacity:.2;filter:grayscale()}.wsh-tag{font:800 14px var(--font);color:var(--navy);animation:.35s ease-out wst-pop}.wsh-none{font:800 28px var(--font);color:var(--muted)}.wsh-cards{gap:6px;display:flex}.wsh-card{border:2px solid var(--line);width:54px;height:66px;font:800 40px/1 Teachers, var(--font);background:#fff;border-radius:10px;place-items:center;transition:all .3s;display:grid;box-shadow:0 2px #0e2a521f}.wsh-card.gap{border:2px dashed var(--sky);box-shadow:none}.wsh-card.hi{background:#fff6da;border-color:#fec44b;transform:translateY(-4px);box-shadow:0 0 0 3px #fec44b}.wsh-d{animation:.4s ease-out wmf-write}.wsh-cmp{gap:4px 0;padding:6px;display:grid;position:relative}.wsh-cmp-col{border-radius:10px;transition:background .3s,box-shadow .3s}.wsh-cmp-col.hi{background:#fff6da;box-shadow:inset 0 0 0 3px #fec44b}.wsh-cmp-d{z-index:1;text-align:center;font:800 38px/1.25 Teachers, var(--font)}.wsh-cmp-win{z-index:2;border:3px solid var(--ok);pointer-events:none;border-radius:999px;margin:0 -6px}.wsh-cmp-note{z-index:1;text-align:center;font:800 26px/1.2 var(--font);color:var(--navy)}.wsh-eq{flex-wrap:wrap;justify-content:center}.wsh-words{font-size:26px}.wsh-q{border:2.5px dashed var(--sky);min-width:64px;height:58px;color:var(--navy);font:700 18px var(--font);background:#fff;border-radius:12px;place-items:center;padding:0 14px;display:grid}.wsh-bars{align-items:center}.wsh-bar{border:3px solid #0000;border-radius:12px;justify-items:center;gap:4px;padding:6px 8px;transition:all .3s;display:grid}.wsh-bar.hi{background:#fff6da;border-color:#fec44b}@media (width<=640px){.wsh{gap:10px 14px}.wsh-card{width:42px;height:52px;font-size:30px}.wsh-cmp-d{font-size:30px}.wsh-cap{font-size:13px}}@media (prefers-reduced-motion:reduce){.wsh-it,.wsh-d,.wsh-tag{animation:none}}.soon{background:var(--page-bg) var(--pat-line) repeat;grid-template-rows:1fr auto;min-height:100vh;display:grid}.soon-inner{text-align:center;align-content:center;justify-items:center;gap:18px;max-width:640px;margin:0 auto;padding:48px 24px 24px;display:grid}.soon h1{color:var(--navy);letter-spacing:-.01em;text-wrap:balance;margin-top:18px;font-size:clamp(30px,6vw,48px);line-height:1.12}.soon-lead{color:var(--ink);max-width:30em;font-size:clamp(16px,2.6vw,19px);line-height:1.6}.soon-sub{color:var(--sky);font-weight:600}.soon-foot{color:var(--muted);flex-wrap:wrap;justify-content:center;align-items:center;gap:14px;padding:20px 16px 28px;font-size:14px;display:flex}.soon-link{color:var(--muted);text-underline-offset:3px;min-height:44px;padding:10px 6px;font-size:14px;text-decoration:underline}.soon-link:hover{color:var(--navy)}.oh-tab{z-index:50;background:var(--navy);color:#fff;min-height:44px;box-shadow:var(--shadow-lift);border-radius:14px;align-items:center;padding:0 16px;font-size:14px;font-weight:600;display:inline-flex;position:fixed;bottom:14px;left:14px}@media print{.oh-tab{display:none!important}}.oh-tab{white-space:nowrap;border-radius:12px;justify-content:flex-start;gap:10px;width:44px;height:44px;min-height:0;padding:0;transition:width .2s;bottom:12px;left:12px;overflow:hidden}.oh-tab .logomark{color:#fff;flex:none;margin-inline-start:12px}.oh-tab-t{opacity:0;padding-inline-end:14px;transition:opacity .15s}.oh-tab:hover,.oh-tab:focus-visible{width:148px}.oh-tab:hover .oh-tab-t,.oh-tab:focus-visible .oh-tab-t{opacity:1}@media (prefers-reduced-motion:reduce){.oh-tab,.oh-tab-t{transition:none}}.kgw-strip{justify-content:center;padding:6px 6px 2px;display:flex}.kgw-strip:has(.kgw-lead){flex-wrap:wrap;gap:6px}.kgw-lead{text-align:center;color:var(--navy);flex-basis:100%;margin:0;font-size:20px;font-weight:700}.kgw-strip .strip{background:#fff}.kgw-seq .scell .item-gap{border-bottom:0;min-width:44px;margin:0;padding:0;font-size:24px}.kgw-seq .scell.gap{background:#fffaf0}.kgw-seq .scell .item-gap.filled{color:#1e8a4c;animation:.45s ease-out kgw-pop}.kgw-pic.used{opacity:.35;pointer-events:none;transform:scale(.94)}.kgw-line{color:var(--navy);flex-wrap:wrap;justify-content:center;align-items:center;gap:2px;margin:0;font-size:28px;font-weight:700;display:flex}.kgw-line .item-gap{border-bottom:3px solid var(--sky);min-width:56px;margin:0 4px}.fz-reading{background:#d6337f}.fz-abc{align-items:center;gap:6px}.fz-abc i{width:74px;height:88px;font:800 64px/1 Teachers, var(--font);background:#fff;border-radius:14px;place-items:center;font-style:normal;display:grid;box-shadow:0 8px #0000001f}.fz-abc i:nth-child(2){transform:translateY(-8px)rotate(3deg)}.fz-abc i.c{color:#e23545}.fz-abc i.v{color:#1e6fd8}.poster .poster-in .poster-txt{width:17.2em!important;top:6.4em!important;bottom:3.2em!important}.poster .poster-in .poster-spot{width:40%!important;right:1.8em!important}.poster .poster-in .lp-word{box-shadow:none!important;background:0 0!important;border:0!important;border-radius:0!important;min-width:0!important;padding:0 .12em!important;font-size:2.8em!important}.poster .poster-in .lp-words{gap:.15em!important}.poster .poster-in .en-print,.poster .poster-in .en-print *{font-family:Teachers, var(--font)!important;color:var(--navy)!important;background:0 0!important;border:0!important;padding:0 .1em!important;font-weight:700!important}.poster .poster-in.poster-ela{background:#fdebe8}.poster .poster-in.poster-ela .poster-mark{color:#f9d3ce}.poster .poster-in.poster-ela .poster-k{color:#ef7b7b}.poster .poster-in.poster-ela .poster-s{color:#e4605f}.poster .poster-in.poster-ela:after{content:"";background:#ef7b7b;height:1.1em;position:absolute;bottom:0;left:0;right:0}.oops{text-align:center;min-height:100dvh;color:var(--navy);place-content:center;gap:12px;padding:24px;display:grid}.oops h1{margin:0;font-size:clamp(26px,6vw,40px)}.oops p{margin:0;font-size:18px}.oops-btn,.ld-retry,.gate-go{background:var(--navy);color:#fff;cursor:pointer;border:0;border-radius:16px;min-height:56px;padding:0 28px;font:700 18px inherit}.ld-retry{max-width:90%;padding:0 22px;font-size:16px;position:absolute;bottom:14%;left:50%;transform:translate(-50%)}.ld-wait{background:var(--navy);color:#fff;pointer-events:none;border-radius:12px;padding:8px 14px;font-size:14px;font-weight:600;position:absolute;top:12px;left:50%;transform:translate(-50%)}.gate{width:min(380px,100% - 32px);color:var(--navy);background:#fff;border-radius:20px;gap:10px;padding:26px 28px;display:grid;box-shadow:0 30px 60px -20px #0e2a5280}.gate h2,.gate p{margin:0}.gate-q{font-size:28px;font-weight:700}.gate input{text-align:center;border:2px solid var(--line);box-sizing:border-box;border-radius:14px;width:100%;height:56px;font-size:24px}.gate-bad{color:#c0392b;font-weight:600}.gate-row{justify-content:flex-end;gap:10px;display:flex}.gate-cancel{border:2px solid var(--line);min-height:56px;color:var(--navy);cursor:pointer;background:#fff;border-radius:16px;padding:0 20px;font:600 16px inherit}.wb-pages a,.wb-more-pages a{min-width:44px;height:44px}.kidnav,.soon,.oh,.signin-wrap{min-height:100dvh}.bp-skip{border:2px solid var(--line);min-height:44px;color:var(--navy);cursor:pointer;background:#fff;border-radius:12px;margin-top:8px;padding:0 16px;font:600 14px inherit}.bp-skip:hover{border-color:var(--sky)}.parent,.simple{grid-template-columns:minmax(0,1fr)}.parent-top>*,.parent-mid>*,.parent-bottom>*,.stats>*,.bp-row>*,.pc-row>*{min-width:0}@media (width<=700px){:is(.topbar:has(.parent-badge) .btn,.parent .btn,.parent .lchip,.parent .money-opt,.prog-list .btn){min-height:44px}.pc-row a{align-items:center;min-height:44px;display:inline-flex}body:has(.wb-right) .oh-tab{display:none}body:has(.wb-right) #root{padding-bottom:0}}@media (width<=480px){.stats{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}.stat{column-gap:10px;padding:14px 16px}.parent-head h1{font-size:28px}.week-card{padding:24px 22px}.bp-row{grid-template-columns:72px minmax(0,1fr);gap:14px}.bp-head{flex-wrap:wrap}.pc-row{grid-template-columns:32px minmax(0,1fr)}.pc-row a{grid-column:2}.prog-list li{flex-wrap:wrap}}.qrow{position:relative}.q-mark{z-index:1;pointer-events:none;background:#a2c466;border-radius:50%;place-items:center;width:30px;height:30px;display:grid;position:absolute;top:10px;right:10px}.qrow.no .qcard-row,.qrow.no .item{border:3px dashed #ef7b7b}.q-mark.no{background:#ef7b7b}.learn-grownup{margin-top:8px;font-size:14px}@media (width<=700px){.learn-wait{padding:10px 14px}}@media (prefers-reduced-motion:no-preference){.q-mark{animation:.3s both mx-pop}}.master-again{border-top:4px solid #5baee1;gap:12px;padding:20px;display:grid}.master-again-say{color:var(--navy);margin:0;font-size:19px;font-weight:600;line-height:1.4}.learn-wait{color:var(--navy);text-align:center;border:2px dashed #5baee1;border-radius:12px;margin:0;padding:16px 18px;font-weight:600}.segs i.skip{background:repeating-linear-gradient(135deg,#a2c466 0 4px,#e3f1fb 4px 8px)}.seg-key .k-skip{background:repeating-linear-gradient(135deg,#a2c466 0 3px,#e3f1fb 3px 6px)}.bp-skipped-tag{color:#134da0;font-size:13px;font-weight:700}.bp-skipped{color:#134da0;flex-wrap:wrap;align-items:center;gap:12px;margin:8px 0 0;font-size:14px;display:flex}.bp-undo{color:#134da0;cursor:pointer;background:#fff;border:2px solid #2698dd;border-radius:12px;min-height:44px;padding:0 16px;font:600 14px inherit}.bp-undo:hover{background:#eaf5fd}.mastered-parts li.skipped{color:#134da0;background:#eaf5fd}.mastered-parts li.skipped .tick{background:#5baee1}.mastered-parts li.skipped small{margin-left:4px;font-size:13px;font-weight:500}.btn.master-again-go{white-space:normal;text-align:center;border-radius:16px;height:auto;min-height:52px;padding:12px 18px;line-height:1.3;display:block}.mastered-result{flex-wrap:wrap;justify-content:center;gap:10px 28px;margin:2px 0 4px;display:flex}.mr-item{align-items:center;gap:10px;display:flex}.mr-ic{border-radius:50%;flex:none;place-items:center;width:38px;height:38px;display:grid}.mr-ok{background:#a2c466}.mr-cal{background:#2698dd}.mr-text{color:var(--navy,#134da0);margin:0;font-size:18px;font-weight:600}.mr-text b{font-weight:800}@media (width<=520px){.mastered-result{flex-direction:column;align-items:flex-start}}.warmup-invite{color:#fff;background:#134da0;border-radius:22px;flex-wrap:wrap;align-items:center;gap:16px 20px;margin:0 0 22px;padding:18px 22px;display:flex}.warmup-invite .wi-mark{background:#3c53c6;border-radius:50%;flex:none;place-items:center;width:54px;height:54px;display:grid}.warmup-invite .wi-text{color:#fff;flex:260px;margin:0;font-size:20px;font-weight:700;line-height:1.35}.warmup-invite .wi-btns{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.warmup-invite .wi-later{color:#fff;background:0 0;border-color:#ffffff8c}.warmup-top{flex-wrap:wrap;align-items:center;gap:12px 20px;padding-top:22px;display:flex}.warmup-title{flex:280px;gap:2px;display:grid}.warmup-title .eyebrow{color:#2698dd}.warmup-h{color:#134da0;margin:0;font-size:clamp(22px,3.4vw,30px)}.warmup-steps{gap:8px;margin:0;padding:0;list-style:none;display:flex}.warmup-steps li{color:#134da0;border:3px solid #5baee1;border-radius:50%;place-items:center;width:34px;height:34px;font-weight:800;display:grid}.warmup-steps li.now{color:#fff;background:#2698dd;border-color:#2698dd}.warmup-steps li.done{background:#a2c466;border-color:#a2c466}.warmup-wb{padding-top:18px}.warmup-skills{color:#134da0;gap:8px;margin:10px 0 0;padding-left:20px;font-weight:600;display:grid}.warmup-skills li.here{color:#2698dd;font-weight:800}.warmup-msg{color:#134da0;justify-items:center;gap:14px;padding:48px 16px;font-size:18px;display:grid}.item:has(>.item-model)>.item-body{justify-content:center}.item:has(>.item-model)>.item-body>.item-prompt{text-align:center}.item:has(>.item-model)>.item-body>.item-prompt.lines .item-line:not(:first-child){margin-left:auto;margin-right:auto}.item-cmp{color:#1a1a1a;flex-wrap:wrap;justify-content:center;align-items:center;gap:16px;font-size:30px;font-weight:600;line-height:1.2;display:flex}.item-cmp .cmp-task{text-align:center;flex-basis:100%;font-size:20px;font-weight:600}.item-cmp .cmp-gap{border:2.5px dashed var(--sky);width:52px;height:52px;color:var(--navy);background:#f3faff;border-radius:50%;place-items:center;font-size:30px;font-weight:700;display:inline-grid}.item-cmp .cmp-gap.filled{border-style:solid;border-color:var(--navy)}.item-body:has(>.item-cmp){text-align:center;align-items:center}:is(.item-body:has(>.item-cmp) .item-choices-wrap,.item-body:has(>.item-cmp) .item-choices){justify-content:center;margin-left:auto;margin-right:auto}.poster .poster-in .poster-t{overflow-wrap:normal;word-break:normal;-webkit-hyphens:none;hyphens:none}.poster .poster-in .poster-k{font-size:max(1.15em,10px)}.poster .poster-in .poster-s{font-size:max(1.2em,11px)}@container (width<=400px){.poster .poster-in .poster-s{display:none}}@container (width<=260px){.poster .poster-in .poster-k,.poster .poster-in .poster-logo{display:none}.poster .poster-in .poster-txt{justify-content:center;width:19em!important;top:2.4em!important;bottom:2.4em!important}.poster .poster-in .poster-spot{width:42%!important;top:2.4em!important}}.bp-row{grid-template-columns:200px minmax(0,1fr)}.bp-tile{width:100%}.bp-head .tag{color:var(--muted);background:0 0;border-radius:0;padding:0}.bp-head .tag.ok{color:var(--ok);background:0 0}@media (width<=700px){.bp-row{grid-template-columns:120px minmax(0,1fr);gap:14px}}.lazy-poster{width:100%}.poster .poster-in.poster-wait{cursor:default}.les-skill .lesson-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}.lesson-card .les-n{margin:0;display:inline}@media (width<=600px){.les-skill .lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.les-skill .lesson-card{padding:8px}}main.mastered{grid-template-columns:minmax(0,1fr)}.mastered-card{min-width:0}.mastered-title{overflow-wrap:break-word;max-width:100%}.mastered-parts{text-align:left;flex-flow:column;align-items:stretch;gap:6px;width:min(100%,440px)}.mastered-parts li,.mastered-parts li.skipped{color:#4b6b22;background:0 0;border-radius:0;align-items:flex-start;min-width:0;padding:2px 0;font-size:15px}.mastered-parts li.skipped{color:#134da0}.mastered-parts .tick{flex:none;margin-top:1px}.next-skill{min-width:0;max-width:100%}.next-skill .btn{white-space:normal;text-align:center;max-width:100%}@media (width<=700px){.wb-right:not(.pad-on){position:static}.wb-right.pad-on~*{scroll-margin-bottom:260px}.sheet:has(~.wb-right.pad-on){padding-bottom:40px}}.wb-part-t{flex:auto;min-width:0}.wb-part-t .mfrac-wrap{margin:0 .05em}@media (width>=1201px){.wb-top .wrap{height:auto;min-height:86px;padding:10px 0}.wb-top .wb-title{min-width:0;max-width:440px}.wb-top .wb-title span{line-height:1.35}.wb-top .wb-title .mfrac{font-size:.78em}}.wb-lesson .mfrac,.kn-crumb .mfrac{font-size:.8em}.oh-tab{opacity:.6;box-shadow:none;transition:width .15s,opacity .15s;transform:translateY(-50%);border-radius:0 10px 10px 0!important;width:14px!important;height:48px!important;inset:50% auto auto 0!important}.oh-tab .logomark{opacity:0;margin-inline-start:6px!important}.oh-tab:hover,.oh-tab:focus-visible{opacity:1;width:150px!important}.oh-tab:hover .logomark,.oh-tab:focus-visible .logomark{opacity:1}body:has(.oh-tab) #root{padding-bottom:0}@media (width<=700px){body:has(.wb-right) .oh-tab{display:inline-flex}}.ld-caption{background:var(--navy);color:#fff;box-shadow:none}.learn-step.maths-step .learn-maths{box-shadow:none;background:0 0;border:0;padding:0 4px}.pres-mat.waiting:before{display:none}.pres-idle{justify-items:center;gap:12px;display:grid}.pres-idle-t{color:var(--navy);text-align:center;font-size:17px;font-weight:500}.stat{grid-template-columns:minmax(0,1fr)}.qf-link{background:var(--tint);border:1px solid var(--line);color:var(--navy);border-radius:20px;align-items:center;gap:12px;margin-top:22px;padding:14px 16px;transition:transform .15s;display:flex}.qf-link:hover{transform:translateY(-1px)}.qf-link svg{color:#fec44b;filter:drop-shadow(0 1px #134da040);flex:none}.qf-link span{gap:2px;min-width:0;display:grid}.qf-link b{font-size:17px}.qf-link small{color:var(--muted);font-size:13px}.qf-under{margin-top:18px;margin-bottom:24px;display:none}.qf-under .qf-link{background:#fff;margin-top:0}@media (width<=1200px){.qf-under{display:block}}.qf{justify-items:center;padding:28px 0 48px;display:grid}.qf-card{text-align:center;background:#fff var(--pat-soft) repeat;justify-items:center;gap:16px;width:min(760px,100%);padding:36px 32px;display:grid}.qf-title{color:var(--navy);font-size:34px;line-height:1.2}.qf-lead{color:var(--ink);max-width:34ch;font-size:19px}.qf-note{color:var(--muted);font-size:15px}.qf-grown{color:var(--muted);font-size:13.5px}.qf-go{margin-top:6px}.qf-btns{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;display:flex}.qf-play{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:24px;width:min(980px,100%);display:grid}.qf-stage{width:100%;padding:28px 28px 32px}.qf-time{align-items:center;gap:12px;width:100%;display:flex}.qf-time small{color:var(--muted);text-align:right;min-width:3.5ch;font-size:15px}.qf-bar{border:1px solid var(--line);background:#f3faff;border-radius:8px;flex:1;height:12px;overflow:hidden}.qf-bar i{height:100%;width:var(--w);background:#2698dd;transition:width .25s linear;display:block}.qf-bar i.calm{background:#5baee1}.qf-fact{font-family:var(--book-font);color:var(--navy);justify-content:center;align-items:center;gap:18px;margin-top:26px;font-size:76px;font-weight:600;line-height:1;display:flex}.qf-box{min-width:1.6em;color:var(--navy);background:#f3faff;border:4px solid #5baee1;border-radius:22px;padding:10px 14px}.qf-fact.ok .qf-box{background:#eef5e1;border-color:#a2c466}.qf-fact.no .qf-box{background:#fdecec;border-style:dashed;border-color:#ef7b7b}.qf-say{min-height:1.6em;color:var(--muted);font-size:19px}.qf-pad .pad{padding:14px}.qf-rounds{gap:8px;width:min(440px,100%);margin:6px 0 0;display:grid}.qf-bars{border-bottom:2px solid var(--line);justify-content:center;align-items:flex-end;gap:8px;height:110px;padding:0 6px;display:flex}.qf-bars span{height:var(--h);background:#5baee1;border-radius:8px 8px 0 0;flex:0 30px;position:relative}.qf-bars span.best{background:#fec44b}.qf-bars b{color:var(--navy);font-size:12.5px;position:absolute;top:-20px;left:0;right:0}.qf-rounds figcaption{color:var(--muted);font-size:14px}@media (width<=760px){.qf{padding:16px 0 32px}.qf-card{padding:26px 18px}.qf-title{font-size:26px}.qf-play{grid-template-columns:1fr;gap:14px}.qf-fact{gap:12px;margin-top:16px;font-size:54px}}@media (prefers-reduced-motion:reduce){.qf-bar i{transition:none}}.wp{text-align:center;justify-items:center;gap:10px;display:grid}.wp-number{padding:16px}.wp-letter,.wp-words{border-top:1px dashed var(--line);width:100%;margin-top:14px;padding:14px 0 4px}.wp-ask{color:var(--navy);font-size:16px;font-weight:500}.wp-model{font-family:var(--book-font);font-size:20px}.wp-paper{cursor:crosshair;background:#f3faff;border:2px solid #5baee1;border-radius:16px;width:100%;max-width:100%;height:auto}.wp-number .wp-paper{max-width:260px}.wp-letter .wp-paper{max-width:200px}.wp-line{stroke:#5baee1;stroke-width:1.5px;opacity:.55}.wp-line.dash{stroke-dasharray:6 6}.wp-ink{fill:none;stroke:#134da0;stroke-width:7px;stroke-linecap:round;stroke-linejoin:round}.wp-dot{fill:#134da0}.wp-read{min-height:1.5em;color:var(--ink);font-size:16px}.wp-read b{font-family:var(--book-font);color:var(--navy);font-size:26px}.wp-read.done{color:var(--leaf-ink);font-weight:600}.wp-btns{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.wp-switch{justify-self:center}.wp-check{color:var(--ink);justify-items:center;gap:10px;max-width:46ch;font-size:15px;display:grid}.wp-check.grown{border:1px solid var(--line);background:#f3faff;border-radius:16px;padding:12px 14px}.wp-open{margin-top:12px}.wb-right .wp-open{margin-top:0}.qf-box.no-was{background:#fdecec;border-style:dashed;border-color:#ef7b7b;align-items:baseline;gap:14px;display:inline-flex}.qf-box.no-was s{color:#ef7b7b;font-size:.6em;text-decoration-thickness:4px}.qf-box.no-was b{color:var(--navy)}.bp-facts{color:var(--ink);margin:6px 0 2px;font-size:14px}.bp-facts b{color:var(--navy)}.bp-facts small{color:var(--muted)}.wp-undo{color:var(--navy);justify-self:center}.hw-card{border-inline-start:8px solid var(--tc,#2698dd);gap:12px;margin:0 0 20px;padding:22px 26px;display:grid}.hw-head{flex-wrap:wrap;justify-content:space-between;align-items:start;gap:14px;display:flex}.hw-head .section-h{margin:2px 0 4px}.hw-head .eyebrow{color:#2698dd}.hw-card h3{color:var(--navy);margin:0 0 6px;font-size:16px}.hw-edit{background:#f3faff;border-radius:12px;flex-wrap:wrap;align-items:end;gap:10px 18px;padding:12px 14px;display:flex}.hw-edit label{color:var(--navy);gap:4px;font-size:13.5px;font-weight:600;display:grid}.hw-edit select,.hw-edit input{font:inherit;background:#fff;border:1.5px solid #d6e6f5;border-radius:10px;padding:7px 10px}.hw-saved{color:var(--muted);font-size:13px}.hw-grid{grid-template-columns:1fr 1fr;gap:18px;display:grid}.hw-rhyme p{font-family:var(--book-font);color:var(--navy);border-inline-start:4px solid var(--tc,#2698dd);background:#f3faff;gap:2px;margin:0;padding:10px 14px;font-size:16px;display:grid}.hw-ideas{gap:6px;margin:0;padding-inline-start:18px;font-size:15px;display:grid}.hw-days{gap:8px;margin:0;padding:0;list-style:none;display:grid}.hw-days li{border-inline-start:4px solid var(--sc);background:#f3faff;border-radius:0 10px 10px 0;grid-template-columns:64px 1fr auto;align-items:center;gap:12px;padding:8px 12px;display:grid}.hw-day{color:var(--navy);font-size:13px;font-weight:800}.hw-what{display:grid}.hw-what small{color:var(--muted)}@media (width<=720px){.hw-grid{grid-template-columns:1fr}.hw-card{padding:18px}.hw-days li{grid-template-columns:1fr auto}.hw-day{grid-column:1/-1}}.lesson-dialog{flex-direction:column;display:flex;overflow:hidden}.lesson-dialog .ld-head,.lesson-dialog .ld-foot{flex:none}.lesson-dialog .ld-body{overscroll-behavior:contain;flex:auto;min-height:0;padding-bottom:4px;overflow-y:auto}.lesson-dialog .ld-foot{border-top:1px solid var(--line)}@media (width<=700px){.overlay:has(.lesson-dialog){padding:12px}.lesson-dialog{border-radius:28px}.lesson-dialog .ld-head{gap:12px;padding:18px 16px 12px}.lesson-dialog .ld-head h2{font-size:24px}.lesson-dialog .ld-foot{gap:0;padding:12px 16px 16px}.lesson-dialog .ld-foot>span{display:none}}.wmf-mini{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;padding:10px 14px 10px 20px;display:flex}@media (width<=600px){.wrd.compact{margin:12px 0 4px;padding:8px}.wrd.compact .wrd-steps{display:none}.wrd.compact .wrd-play{width:100%}.mat-hint{margin:8px 0 12px}}.lesson-help{justify-content:flex-end;padding:4px 0 28px;display:flex}.lesson-help-btn{font:500 13px var(--font);color:var(--muted);border-radius:14px;align-items:center;gap:8px;padding:6px 12px 6px 6px;display:inline-flex}.lesson-help-btn:hover{background:var(--tint);color:var(--navy)}.lesson-help-btn .th-q{width:24px;height:24px}.th-where{color:var(--navy);margin:-6px 0 14px;font-weight:600}.th-faq{border-top:1px solid var(--line);gap:0;margin:4px 0 18px;display:grid}.th-faq h2{margin:14px 0 6px!important;font-size:18px!important}.th-faq details{border-bottom:1px solid var(--line)}.th-faq summary{cursor:pointer;color:var(--navy);padding:12px 0;font-weight:600;list-style-position:outside}.th-faq details p{color:var(--muted);margin:0 0 12px;font-size:15px;line-height:1.5}.gu-over{align-items:stretch}.gu-week{flex-wrap:wrap;align-items:flex-end;gap:28px;margin-top:6px;display:flex;max-width:100%!important}.gu-bars{align-items:flex-end;gap:8px;height:80px;display:flex}.gu-bar-col{flex-direction:column;align-items:center;gap:6px;display:flex}.gu-bar{background:#ffffff38;border-radius:6px 6px 3px 3px;width:16px}.gu-bar[data-on]{background:#5baee1}.gu-bar-d{opacity:.75;font-size:11px;font-weight:600}.gu-nums{gap:24px;margin:0;display:flex}.gu-nums div{flex-direction:column-reverse;gap:2px;display:flex}.gu-nums dt{opacity:.8;font-size:12.5px}.gu-nums dd{margin:0;font-size:22px;font-weight:700}.gu-next{border-radius:28px;flex-direction:column;gap:16px;padding:26px 28px;display:flex}.gu-levels ul{flex-wrap:wrap;gap:8px 22px;margin:8px 0 0;padding:0;list-style:none;display:flex}.gu-levels li{color:var(--navy);align-items:center;gap:8px;font-size:18px;font-weight:700;display:flex}.gu-sub{background:var(--navy);border-radius:3px;width:10px;height:10px}.gu-sub.ela{background:#ef7b7b}.gu-step-t{color:var(--ink);margin:6px 0 0;font-size:15px;line-height:1.55}.gu-acts{flex-wrap:wrap;gap:10px;margin-top:auto;display:flex}.gu-skills .section-h{margin-bottom:6px}.gs-key{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px;margin:0 0 12px;font-size:12px;display:flex}.gs-key i{border-radius:3px;width:10px;height:10px;margin-left:10px}.gs-key i:first-child{margin-left:0}.gs-key .k-done{background:var(--leaf)}.gs-key .k-cur{background:var(--sun)}.gs-key .k-skip{background:repeating-linear-gradient(135deg,#a2c466 0 3px,#e3f1fb 3px 6px)}.gs-level{border-top:1px solid var(--line)}.gs-h{font-size:inherit;margin:0}.gs-sum{text-align:left;width:100%;color:var(--navy);border-radius:12px;grid-template-columns:auto minmax(0,1fr) auto 120px 18px;align-items:center;gap:14px;padding:16px 4px;display:grid}.gs-sum:hover{background:var(--tint)}.gs-sum:focus-visible{outline:3px solid var(--sky);outline-offset:2px}.gs-badge{color:#fff;background:var(--navy);white-space:nowrap;border-radius:8px;padding:4px 10px;font-size:12px;font-weight:700}.gs-name{font-size:17px;font-weight:700}.gs-count{color:var(--muted);white-space:nowrap;font-size:13.5px}.gs-bar{background:#e3f1fb;border-radius:4px;height:8px;overflow:hidden}.gs-bar i{background:var(--leaf);border-radius:4px;height:100%;display:block}.gs-chev{color:var(--muted);transition:transform .2s}.gs-level.open .gs-chev{transform:rotate(180deg)}.gs-body{padding:4px 0 18px}.gs-topic h4{color:var(--sky);margin:14px 0 10px;font-size:14px;font-weight:700}.gs-row{grid-template-columns:168px minmax(0,1fr);align-items:center;gap:18px;padding:10px 0;display:grid}.gs-row+.gs-row{border-top:1px dashed #e3edf7}.gs-thumb{border-radius:14px;width:100%;overflow:hidden}.gs-main{min-width:0}.gs-main .segs{margin:10px 0 6px}.gs-main small{color:var(--muted);font-size:13px}.tag.gs-new{color:var(--muted);background:0 0;padding:0;font-weight:500}@media (width<=700px){.gs-sum{grid-template-columns:auto minmax(0,1fr) 18px;row-gap:6px}.gs-count{white-space:normal;grid-area:2/2/auto/3}.gs-bar{grid-area:3/1/auto/-1}.gs-chev{grid-area:1/3}.gs-row{grid-template-columns:104px minmax(0,1fr);gap:12px}.gu-nums{gap:16px}.gu-next{padding:22px}}@media (width<=600px){.gu-top .wrap{flex-wrap:nowrap;gap:8px}.gu-top .parent-badge{display:none}.gu-top .logo img{width:92px}.gu-top .btn-sm{padding:8px 12px;font-size:13px}.gu-top .tech-help-btn{gap:0;padding:8px;font-size:0}.gu-top .tech-help-btn .th-q{width:22px;height:22px;font-size:12px}.gu-acts .btn{flex:100%}}.gs-main .bp-skip{color:var(--sky);text-align:left;background:0 0;border:0;margin:6px 0 0;padding:4px 0;font-size:13.5px;font-weight:600;display:block}.gs-main .bp-skip:hover{text-decoration:underline;transform:none}.gs-main small{display:block}.load-error{text-align:center;min-height:60vh;color:var(--navy);place-content:center;justify-items:center;gap:12px;padding:48px 16px;display:grid}.load-error .le-mark{color:var(--sky);margin-bottom:4px}.load-error h1{margin:0;font-size:clamp(26px,5vw,36px)}.load-error p{color:var(--muted);margin:0;font-size:18px}.load-error .le-acts{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin-top:12px;display:flex}.opening{gap:16px;display:grid}.opening-lead{color:var(--muted);max-width:70ch}.opening-card{border-inline-start:6px solid var(--line);gap:14px;padding:22px 24px;display:grid}.opening-card.is-open{border-inline-start-color:var(--leaf)}.opening-top{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.opening-top h2{color:var(--navy);margin:0 0 4px;font-size:20px}.opening-what{color:var(--muted);max-width:60ch;font-size:14.5px}.opening-state{color:var(--muted);font-size:14.5px}.opening-state b{color:var(--ink)}.opening-card.is-open .opening-state b{color:var(--leaf-ink)}.opening-confirm{background:var(--tint);border-radius:12px;gap:10px;padding:14px 16px;display:grid}.opening-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.opening-actions.start{justify-content:flex-start}.opening-pilots{border-top:1px solid var(--line);gap:10px;padding-top:14px;display:grid}.opening-pilots h3{color:var(--ink);margin:0;font-size:15px}.opening-pilots ul{gap:6px;margin:0;padding:0;list-style:none;display:grid}.opening-pilots li{border-bottom:1px solid var(--line);word-break:break-word;justify-content:space-between;align-items:center;gap:12px;padding:6px 0;display:flex}.opening-pilots li small{color:var(--muted)}.opening-add{gap:4px;display:grid}.opening-add label{font-size:13px;font-weight:600}.opening-row{flex-wrap:wrap;gap:8px;display:flex}.opening-row input,.opening-row select{min-width:0;font:inherit;border:1.5px solid var(--line);background:#fff;border-radius:10px;flex:220px;padding:9px 12px;font-size:15px}.opening-row input[aria-invalid=true]{border-color:#ef7b7b}.opening-err{color:#b23b3b;font-size:13.5px}.opening-msg{color:var(--muted);font-size:14px}.opening-pilots{max-width:720px}.opening-pilots .muted-note{margin-top:0}.drafts-waiting{margin-bottom:18px}.drafts-waiting h2{color:var(--navy,#134da0);margin:0 0 4px;font-size:20px}.drafts-waiting .muted{margin:0 0 8px}.dw-pick{cursor:pointer;flex:1;align-items:center;gap:12px;min-height:44px;display:flex}.dw-pick input{accent-color:#134da0;flex:none;width:22px;height:22px}.dw-pick span{gap:2px;display:grid}.tips{--tip-surface:#fdfcfa;--tip-hair:#e6e2db;max-width:62ch;margin:28px 0}.tips-open{background:var(--tip-surface);border:1px solid var(--tip-hair);width:100%;min-height:64px;color:var(--ink);text-align:left;font-family:var(--font);cursor:pointer;border-radius:14px;align-items:center;gap:14px;padding:12px 18px;transition:border-color .2s,background-color .2s;display:flex}.tips-open:hover{background:#fff;border-color:#cfc9be}.tips-open:focus-visible{outline:2px solid var(--navy);outline-offset:3px}.tips-ic{color:var(--sky);flex:none}.tips-open-text{flex-direction:column;flex:1;gap:2px;min-width:0;line-height:1.25;display:flex}.tips-open-text b{font-weight:700;font-size:var(--fs-lead);color:var(--ink)}.tips-open-text small{color:var(--muted);font-size:14px;font-weight:500}.tips-chev{color:var(--muted);flex:none;transition:transform .25s}.tips.open .tips-chev{transform:rotate(180deg)}.tips.open .tips-open{border-bottom-color:#0000;border-bottom-right-radius:0;border-bottom-left-radius:0}.tips-box{background:var(--tip-surface);border:1px solid var(--tip-hair);transform-origin:top;border-top:0;border-radius:0 0 14px 14px;outline:none;margin:0;padding:6px 20px 18px;animation:.28s both tips-in}@keyframes tips-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}.tips-bar{justify-content:space-between;align-items:center;min-height:44px;display:flex}.tips-count{font:600 14px var(--book-font);color:var(--muted);letter-spacing:.02em}.tips-replay{width:44px;height:44px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;margin-right:-10px;transition:color .2s;display:grid}.tips-replay:hover{color:var(--navy)}.tips-replay:focus-visible,.tips-arrow:focus-visible{outline:2px solid var(--navy);outline-offset:2px}.tip{padding:4px 0 6px;animation:.3s both tip-slide}@keyframes tip-slide{0%{opacity:0;transform:translate(10px)}to{opacity:1;transform:none}}.tip-read.read-aloud .ra-btn{margin-right:8px}.tip-title{font:700 calc(var(--fs-lead) + 3px) var(--book-font);color:var(--ink);margin:0 0 6px;line-height:1.25}.tip-text{font-family:var(--book-font);font-size:var(--fs-body);color:var(--ink);max-width:40ch;margin:0;line-height:1.45}.tip-sums{border-top:1px solid var(--tip-hair);flex-direction:column;align-items:flex-start;gap:12px;margin-top:18px;padding-top:16px;display:flex}.tip-maths{color:var(--ink);font-family:var(--book-font);font-size:calc(var(--fs-maths) + 8px);background:0 0;border:0;flex-wrap:wrap;align-items:baseline;gap:2px 10px;max-width:100%;padding:0;font-weight:700;line-height:1.5;display:flex}.tip-piece{white-space:nowrap;opacity:0;animation:.5s both tip-piece;animation-delay:calc(var(--i,0) * var(--step,.5s) + .2s);display:inline-block}.tip-piece.ans{color:var(--navy)}@keyframes tip-piece{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:none}}.tip-model{opacity:0;max-width:100%;animation:.6s both tip-fade;animation-delay:calc(var(--i,0) * var(--step,.5s) + .3s);margin-top:18px;display:flex}@keyframes tip-fade{0%{opacity:0}to{opacity:1}}.tip-model .imat svg{max-width:100%;height:auto;max-height:none}.tip-model .imat svg g>rect[rx]{fill:none;stroke:none}.tips-nav{border-top:1px solid var(--tip-hair);justify-content:space-between;align-items:center;gap:12px;margin-top:18px;padding-top:14px;display:flex}.tips-arrow{border:1.5px solid var(--tip-hair);width:56px;height:56px;color:var(--ink);cursor:pointer;background:0 0;border-radius:50%;flex:none;place-items:center;transition:border-color .2s,background-color .2s,opacity .2s;display:grid}.tips-arrow:hover{border-color:var(--navy)}.tips-arrow.next{background:var(--navy);border-color:var(--navy);color:#fff}.tips-arrow.next:hover{background:var(--navy-deep)}.tips-arrow[data-off]{opacity:.3;cursor:default;pointer-events:none}.tips-dots{align-items:center;gap:10px;display:flex}.tips-dots i{background:#d6d0c4;border-radius:50%;width:8px;height:8px;transition:background-color .25s,transform .25s}.tips-dots i.on{background:var(--navy);transform:scale(1.35)}@media (prefers-reduced-motion:reduce){.tips-box,.tip{animation:none}.tips-chev,.tips-open,.tips-arrow,.tips-dots i{transition:none}.tip-piece,.tip-model{opacity:1;animation:none}}@media (width<=520px){.tip-maths{font-size:calc(var(--fs-maths) + 5px)}.tips-open{min-height:60px;padding:10px 14px}.tips-box{padding:2px 14px 14px}}.mirror-cells{justify-content:center;margin-top:10px;display:flex}.mirror-cells svg{touch-action:manipulation;max-width:100%;height:auto}.mirror-cells.ok svg{outline-offset:4px;border-radius:6px;outline:3px solid #a2c466}.mirror-cells.no svg{outline-offset:4px;border-radius:6px;outline:3px solid #ef7b7b}.info-sheet{--paper:#fffefa;--ink:#1f2430;--rule:#e9e1cf;color:var(--ink);background-color:var(--paper);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .55 0 0 0 0 .48 0 0 0 0 .36 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");border-radius:3px 3px 18px;margin:8px 4px 22px;padding:22px 26px 24px;position:relative;box-shadow:0 1px #e6decb,0 2px 4px #3c2d141a,0 14px 26px -12px #3c2d144d}.info-sheet:after{content:"";background:linear-gradient(135deg,#0000 50%,#efe7d4 50%,#f8f3e6 100%);border-radius:0 0 18px;width:34px;height:34px;position:absolute;bottom:0;right:0;box-shadow:-2px -2px 4px #3c2d1414}.info-head,.info-pair-head{align-items:center;gap:12px;margin-bottom:14px;display:flex}.info-title{font-family:Teachers, var(--font);color:var(--navy,#134da0);background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 12' preserveAspectRatio='none'%3E%3Cpath d='M2 8 C 50 2, 90 11, 140 6 S 240 2, 298 7' fill='none' stroke='%23EF7B7B' stroke-width='4' stroke-linecap='round'/%3E%3C/svg%3E") 0 100%/100% 10px no-repeat;margin:0;padding-bottom:8px;font-size:30px;font-weight:800;line-height:1.15}.info-title.small{margin-bottom:12px;font-size:23px;display:inline-block}.info-sheet p{font-family:Teachers, var(--font);margin:0 0 12px;font-size:23px;line-height:1.55}.info-sheet strong{color:var(--navy,#134da0);font-weight:800}.info-h{font-family:Teachers, var(--font);color:var(--leaf-ink,#3e5a12);align-items:center;gap:10px;margin:16px 0 6px;font-size:24px;font-weight:800;display:flex}.info-h:after{content:"";background:#dceac5;border-radius:2px;flex:1;height:2px}.info-photo{float:right;width:46%;margin:4px 0 14px 22px}.info-photo img{border-radius:10px;width:100%;height:auto;display:block}.info-photo figcaption{font-family:Teachers, var(--font);color:#5b6478;margin-top:6px;font-size:16px;font-style:italic;line-height:1.35}.info-contents{border:2px solid var(--rule);background:#ffffffb3;border-radius:10px;max-width:50%;margin:0 0 14px;padding:10px 16px}.info-contents b,.info-glossary b{font-family:Teachers, var(--font);color:var(--navy,#134da0);margin-bottom:4px;font-size:19px;display:block}.info-contents ol{font-family:Teachers, var(--font);margin:0;padding:0;font-size:19px;list-style:none}.info-contents li{align-items:baseline;gap:6px;display:flex}.info-contents li span:first-child{flex:none}.info-contents li:after{content:"";border-bottom:2px dotted #c9bfa8;flex:1;order:1;transform:translateY(-4px)}.info-contents .info-page{order:2}.info-note{clear:none;float:left;width:40%;font-family:Teachers, var(--font);background:#eaf5fd;border-radius:10px;margin:6px 20px 12px 0;padding:14px 16px;font-size:19px;line-height:1.4}.info-note b{color:var(--navy,#134da0);margin-bottom:2px;display:block}.info-glossary{clear:both;border-top:2px solid var(--rule);margin-top:16px;padding-top:10px}.info-glossary dl{font-family:Teachers, var(--font);grid-template-columns:max-content 1fr;gap:4px 14px;margin:0;font-size:19px;display:grid}.info-glossary dt{font-weight:800}.info-glossary dd{margin:0}.info-sheet>:last-child{margin-bottom:0}.info-pair{margin:6px 0 20px}.info-pair-sheets{grid-template-columns:1fr 1fr;align-items:start;gap:22px;display:grid}.info-pair .info-sheet{margin:0}.info-pair .info-sheet:nth-child(2){transform:rotate(.5deg)}.info-pair .info-photo{float:none;width:auto;margin:6px 0 16px}.info-pair .info-sheet p{font-size:21px}@media (width<=760px){.info-photo,.info-pair .info-photo{float:none;width:auto;margin:10px 2px 16px}.info-note,.info-contents{float:none;width:auto;max-width:none}.info-pair-sheets{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.info-pair .info-sheet:nth-child(2){transform:none}}.read-page{--paper:#fffdf8;--ink:#23262f;--muted:#8c846f;--gutter:#78643c21;color:var(--ink);background:var(--paper);box-shadow:0 1px 0 #ece5d4, 0 3px 0 -1px var(--paper), 0 4px 0 -1px #e4dcc8, 0 6px 0 -2px var(--paper), 0 7px 0 -2px #ddd4be, 0 16px 28px -14px #3c2d1452;border-radius:6px;flex-direction:column;flex:auto;margin:2px 2px 6px;padding:16px 0 22px;display:flex;position:relative}.read-page.cols-2{background:linear-gradient(90deg, var(--paper) 0, var(--paper) calc(50% - 34px), var(--gutter) 50%, var(--paper) calc(50% + 34px), var(--paper) 100%)}.pg-screen:has(>.read-page){gap:8px;padding:2px 0 6px}.read-head{text-align:center;margin:0 0 12px;padding:0 76px}.read-head.opener{margin-bottom:16px}.read-title{font-family:Teachers, var(--font);color:var(--navy,#134da0);letter-spacing:.2px;white-space:nowrap;margin:0;font-size:28px;font-weight:800;line-height:1.2}.read-title.long{font-size:26px}.read-running{font-family:Teachers, var(--font);color:var(--muted);margin:0;font-size:15px;font-style:italic;line-height:1.3}.read-listen{z-index:1;font:600 14px/1 var(--font);color:var(--navy,#134da0);position:absolute;top:12px;right:16px}.read-listen:not(.read-aloud){display:none}.read-cols{flex:auto;grid-template-columns:1fr 1fr;align-items:start;display:grid;position:relative}.read-col{min-width:0;padding:0 44px}.read-page p{font-family:Teachers, var(--font);text-indent:1.4em;margin:0 0 6px;font-size:21px;line-height:1.8}.read-col>p:first-child,.read-page .info-h+p,.read-page .info-photo+p,.read-page .info-contents+p,.read-page p.lead{text-indent:0}.read-page p.verse{text-indent:0;margin:0 0 18px}.read-page p.verse:last-child{margin-bottom:0}.read-page p.verse .vl{text-indent:-1.4em;padding-left:1.4em;display:block}.read-page p.verse .vl:has(>.vn){text-indent:-76px;padding-left:76px}.read-page p.verse .vn{text-indent:0;width:46px;color:var(--muted);font-variant-numeric:tabular-nums;font-size:15px;display:inline-block}.read-page.is-poem{background:var(--paper)}.read-page.is-poem .read-cols{grid-template-columns:minmax(0,1fr)}.read-page.is-poem .read-col{justify-self:center;width:max-content;max-width:100%}.read-page.is-poem .read-col[style]{width:calc(var(--poem-measure) * 11px + 30px + 88px)}.read-page.is-poem p.verse{line-height:1.65}.read-page.is-poem p{text-indent:0}.read-page .info-h.verse-h{text-align:left;margin:18px 0 4px}.read-col>.info-h.verse-h:first-child{margin-top:0}.story-passage p.story-poem{white-space:pre-line}.read-page p.lead:first-letter{float:left;color:var(--navy,#134da0);margin:6px 8px 0 0;font-size:68px;font-weight:800;line-height:56px}.read-page strong{color:var(--navy,#134da0);font-weight:800}.read-page .info-h{font-family:Teachers, var(--font);color:var(--leaf-ink,#3e5a12);text-align:center;white-space:nowrap;margin:14px 0 6px;font-size:21px;font-weight:800;line-height:1.3;display:block}.read-page .info-h:after{display:none}.read-page .info-photo{float:none;width:auto;margin:4px 0 2px}.read-page .info-photo img{object-fit:cover;border-radius:4px;max-height:168px}.read-page .info-photo figcaption{color:var(--muted);margin-top:6px;font-size:15px}.read-page .info-contents{background:0 0;border:0;max-width:none;margin:2px 0 12px;padding:0}.read-page .info-contents b,.read-page .info-glossary b{font-family:Teachers, var(--font);color:var(--navy,#134da0);margin-bottom:6px;font-size:18px}.read-page .info-contents ol,.read-page .info-glossary dl{font-size:18px;line-height:1.45}.read-page .info-contents li:after{border-bottom-color:#d6cdb8}.read-page .info-note{float:none;width:auto;box-shadow:none;background:#eef6fc;border-radius:8px;margin:12px 0;padding:12px 16px;font-size:18px;line-height:1.45;transform:none}.read-page .info-glossary{clear:none;border:0;margin:12px 0 0;padding:0}.read-page .info-glossary dl{gap:4px 16px}.read-col>:first-child{margin-top:0}.read-col.has-full{flex-direction:column;align-self:stretch;display:flex}.read-page .info-photo.full{flex-direction:column;flex:auto;min-height:0;margin:0;display:flex}.read-page .info-photo.full img{object-fit:cover;border-radius:6px;flex:1 1 0;width:100%;height:100%;min-height:0;max-height:none}.read-page .info-photo.full.cutout img{object-fit:contain;border-radius:0}.read-col>:last-child{margin-bottom:0}.read-folio{font:600 14px/1 Teachers, var(--font);color:var(--muted);position:absolute;top:19px}.read-page.is-opener .read-folio{display:none}.read-folio.verso{left:44px}.read-folio.recto{right:44px}.wb-band .sheet{position:relative}.wb-band .sheet>.read-again{position:absolute;top:18px;right:24px}.wb-band .sheet:has(>.read-again)>.sheet-ins{padding-right:200px}@media (width<=700px){.read-page .info-photo.full img{flex:none;height:min(300px,40dvh)}.read-page.cols-1{background:var(--paper)}.read-cols{grid-template-columns:1fr}.read-head{padding:0 40px}.read-col{padding:0 22px}.read-folio.verso{left:22px}}.wb-band .qcell .item-prompt{padding-inline:46px}.info-title{background:0 0;padding-bottom:0}.info-head,.info-pair-head{justify-content:center;padding:0 92px;position:relative}.info-head>.info-listen,.info-pair-head>.info-listen{position:absolute;top:50%;left:0;transform:translateY(-50%)}.info-head .info-title,.info-pair-head .info-title{text-align:center}@media (width<=760px){.info-head,.info-pair-head{padding:0 64px}}.wm-cnt{z-index:2;color:#fff;min-width:34px;height:34px;font:700 20px/1 var(--font,"Alexandria", system-ui, sans-serif);font-variant-numeric:tabular-nums;pointer-events:none;white-space:nowrap;background:#134da0;border-radius:17px;place-items:center;padding:0 8px;display:grid;position:absolute;top:-14px;left:50%;transform:translate(-50%);box-shadow:0 0 0 3px #fff,0 6px 14px -6px #0e2a528c}@media (prefers-reduced-motion:no-preference){.wm-cnt.pop{animation:.42s cubic-bezier(.2,.9,.3,1.4) both wm-cnt-pop}@keyframes wm-cnt-pop{0%{opacity:0;transform:translate(-50%)scale(.3)}60%{opacity:1;transform:translate(-50%)scale(1.18)}to{transform:translate(-50%)scale(1)}}}.wm-make{align-items:center;gap:6px;display:inline-flex}.wm-make input{width:110px;min-height:40px;font:inherit;color:#0e2a52;border:2px solid #dce8f5;border-radius:10px;padding:0 10px;font-size:18px;font-weight:600}.wm-make input:focus-visible{outline-offset:1px;border-color:#2698dd;outline:3px solid #2698dd}.wm-times{background:#f3faff;border-radius:10px;gap:2px;padding:3px;display:inline-flex}.wm-times button{color:#134da0;min-width:44px;min-height:36px;font:inherit;cursor:pointer;background:0 0;border:0;border-radius:8px;font-weight:700}.wm-times button.on{color:#fff;background:#134da0}.workmat.wm-quick .wm-tray{touch-action:pan-y;flex-wrap:wrap;max-height:220px;overflow:hidden auto}.workmat.wm-quick .wm-trays-row{justify-content:flex-start}.workmat.wm-quick .wm-fold{margin-inline-start:auto}.wm-make-go{color:#fff;min-height:40px;font:inherit;cursor:pointer;background:#134da0;border:0;border-radius:10px;padding:0 14px;font-size:16px;font-weight:700}.item-seqline .scell{place-items:center;min-width:56px;height:56px;font-size:30px;font-weight:700;line-height:1;display:grid}.item-seqline .scell.gap .abox{place-items:center;width:56px;height:56px;padding:0;font-size:30px;font-weight:700;display:grid}.item-seqline .scell.gap>.item-gap{box-sizing:border-box;border:2px dashed var(--sky);width:100%;min-width:0;height:100%;font-size:inherit;font-weight:inherit;color:var(--navy);border-radius:6px;place-items:center;margin:0;padding:0;line-height:1;display:grid}.item-seqline .scell.gap>.item-gap.filled{border-style:solid;border-color:#9db7d6}html[data-band=young] .en-print .mlv{color:#2f7fcf}html[data-band=young] .en-print .mlc{color:#d2335c}html[data-band=young] .kg-mat .en-print-bold,html[data-band=young] .en-print-bold{color:inherit}@media (prefers-reduced-motion:no-preference){.eqb-swing{animation:1.4s cubic-bezier(.3,.6,.3,1) both eqb-swing}}@keyframes eqb-swing{0%{transform:rotate(-6deg)}35%{transform:rotate(4deg)}60%{transform:rotate(-2deg)}80%{transform:rotate(.8deg)}to{transform:none}}.seq-text{white-space:nowrap;color:var(--ink,#16191d);padding:0 12px;font-size:15px;font-weight:600;line-height:1.2}.item-memory{flex-direction:column;align-items:center;gap:10px;display:flex}.item-memory .item-body{flex-direction:column;align-items:center;width:100%;display:flex}.slip-stage{flex-direction:column;align-items:center;gap:10px;display:flex}.slip-paper{transform-origin:50% 45%;display:inline-flex}.slip-look .slip-paper{animation:.5s cubic-bezier(.2,.8,.3,1.2) both slip-open}.slip-away .slip-paper{animation:.45s ease-out both slip-fold}.slip-check .slip-paper{animation:.5s ease-out both slip-open}.slip-stage.slip-check.ok .slip-paper svg{filter:drop-shadow(0 0 #0000)}.slip-stage.slip-check.ok{box-shadow:inset 0 -4px 0 var(--ok);padding-bottom:6px}.slip-stage.slip-check.no{box-shadow:inset 0 -4px 0 var(--no);padding-bottom:6px}.slip-fold{gap:8px;animation:2.4s ease-in-out 1.2s infinite kg-nudge;font-family:var(--book-font)!important;font-size:20px!important}@keyframes slip-open{0%{opacity:.3;transform:scaleY(.15)rotateX(70deg)}to{opacity:1;transform:none}}@keyframes slip-fold{0%{transform:scaleY(1.6)}60%{transform:scaleY(.85)}to{transform:none}}.item-memory .cc.on{background:#d3392e;border-color:#9e2620}.kgw-mem{flex-wrap:wrap;justify-content:center;align-items:center;gap:22px;padding:8px 6px 64px;display:flex;position:relative}.kgw-slip{animation:.5s ease-out both slip-open;display:inline-flex}.kgw-slip.folded{animation:.45s ease-out both slip-fold}.kgw-counters{pointer-events:none}.kgw-counters .cc{display:block}.kgw-counters .cc.on,.kgw-memory .cc.on{background:#d3392e;border-color:#9e2620;animation:.35s cubic-bezier(.2,.8,.3,1.3) both kg-pop}@keyframes kg-pop{0%{opacity:0;transform:scale(.6)}70%{opacity:1;transform:scale(1.08)}to{opacity:1;transform:none}}.en-book-paper{color:#1f2430;background:#fffdf6;border:0;border-radius:3px 12px 12px 3px;box-shadow:inset 1.1em 0 1em -1em #134da038,0 0 0 2px #e2d9c3,4px 4px 0 -1px #fffdf6,4px 4px 0 1px #e2d9c3,8px 8px 0 -1px #fffdf6,8px 8px 0 1px #e2d9c3}.en-book-paper.en-book-contents,.en-book-paper.en-book-glossary{padding-left:1em}.en-book-page{justify-content:space-between;padding:.8em .8em 1.7em 1.1em}.en-book-page .en-book-head{font-size:1.25em;font-weight:800}.en-book-page .en-book-pic{flex:auto}.en-book-text{font-size:1.05em;font-weight:600;line-height:1.25}.en-book-num{min-width:1.6em;color:var(--navy,#134da0);text-align:center;font-size:.95em;font-weight:800;bottom:.45em;right:.8em}.en-book-titlepage .en-book-title{font-size:1.35em}.en-book-by{font-size:.82em}.en-book-row,.en-book-gloss{font-size:1em}.en-book-cover{border-radius:3px 12px 12px 3px;box-shadow:inset .7em 0 #134da04d,inset .85em 0 #ffffff2e,3px 4px #134da033}.en-book-cover.en-book-back{border-radius:12px 3px 3px 12px;box-shadow:inset -.7em 0 #134da04d,inset -.85em 0 #ffffff2e,-3px 4px #134da033}.en-book-cover .en-book-title{text-shadow:0 1px #134da059;font-size:1.3em}.en-book-lg{transform-origin:0}.en-book-lg.en-book-paper{animation:.7s cubic-bezier(.3,.7,.3,1) both book-turn}.en-book-lg.en-book-cover,.en-book-lg.en-book-spine{animation:.45s cubic-bezier(.2,.8,.3,1.2) both kg-pop}@keyframes book-turn{0%{opacity:.2;transform:perspective(900px)rotateY(-80deg)}60%{opacity:1;transform:perspective(900px)rotateY(8deg)}to{opacity:1;transform:none}}.item.side .item-model:has(.en-book){padding:4px 12px 10px 4px}.item.side:has(.en-book){justify-content:center}:is(.sheet[data-kg],.nl-lv0) .item-model .imat{animation:.5s cubic-bezier(.22,1,.36,1) both kg-rise}:is(.sheet[data-kg],.nl-lv0) .item-model .imat>svg>g{animation:.32s ease-out both kg-fade}:is(.sheet[data-kg],.nl-lv0) .item-model .imat>svg>g:nth-child(2){animation-delay:80ms}:is(.sheet[data-kg],.nl-lv0) .item-model .imat>svg>g:nth-child(3){animation-delay:.16s}:is(.sheet[data-kg],.nl-lv0) .item-model .imat>svg>g:nth-child(4){animation-delay:.24s}:is(.sheet[data-kg],.nl-lv0) .item-model .imat>svg>g:nth-child(5){animation-delay:.32s}:is(.sheet[data-kg],.nl-lv0) .item-model .imat>svg>g:nth-child(6){animation-delay:.4s}:is(.sheet[data-kg],.nl-lv0) .item-model .imat>svg>g:nth-child(7){animation-delay:.48s}:is(.sheet[data-kg],.nl-lv0) .item-model .imat>svg>g:nth-child(8){animation-delay:.56s}:is(.sheet[data-kg],.nl-lv0) .item-model .imat>svg>g:nth-child(9){animation-delay:.64s}:is(.sheet[data-kg],.nl-lv0) .item-model .imat>svg>g:nth-child(10){animation-delay:.72s}:is(.sheet[data-kg],.nl-lv0) .item-model .imat>svg>g:nth-child(n+11){animation-delay:.8s}:is(.sheet[data-kg],.nl-lv0) .item-choices>.ch{animation:.42s cubic-bezier(.22,1,.36,1) both kg-rise}:is(.sheet[data-kg],.nl-lv0) .item-choices>.ch:nth-child(2){animation-delay:80ms}:is(.sheet[data-kg],.nl-lv0) .item-choices>.ch:nth-child(3){animation-delay:.16s}:is(.sheet[data-kg],.nl-lv0) .item-choices>.ch:nth-child(n+4){animation-delay:.24s}:is(.sheet[data-kg],.nl-lv0) :is(.yn,.ch,.cc):active{transition:transform 80ms;transform:scale(.92)}:is(.sheet[data-kg],.nl-lv0) :is(.yn,.ch).on{animation:.38s cubic-bezier(.3,.7,.4,1.4) both kg-bounce}:is(.sheet[data-kg],.nl-lv0) .cc.on{animation:.3s cubic-bezier(.2,.8,.3,1.3) both kg-pop}:is(.sheet[data-kg],.nl-lv0) :is(.yn,.ch).on.ok{animation:.6s cubic-bezier(.3,.7,.3,1) both kg-flip}:is(.sheet[data-kg] .qrow.ok,.nl-lv0 .nl-cell.ok) .item-model .imat{animation:.7s cubic-bezier(.3,.7,.4,1.3) both kg-cheer}:is(.sheet[data-kg] .qrow.ok,.nl-lv0 .nl-cell.ok) .colour-grid .cc.on{animation:.6s ease-in-out both kg-wave}:is(.sheet[data-kg] .qrow.ok,.nl-lv0 .nl-cell.ok) .colour-grid .cc.on:nth-child(2n){animation-delay:60ms}:is(.sheet[data-kg] .qrow.ok,.nl-lv0 .nl-cell.ok) .colour-grid .cc.on:nth-child(3n){animation-delay:.12s}@keyframes kg-rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}@keyframes kg-fade{0%{opacity:0}to{opacity:1}}@keyframes kg-bounce{0%{transform:scale(.92)}55%{transform:scale(1.06)}to{transform:none}}@keyframes kg-flip{0%{transform:perspective(500px)rotateY(0)}50%{transform:perspective(500px)rotateY(180deg)scale(1.06)}to{transform:perspective(500px)rotateY(360deg)}}@keyframes kg-cheer{0%,to{transform:none}35%{transform:translateY(-12px)scale(1.03)}65%{transform:translateY(2px)}}@keyframes kg-wave{0%,to{transform:none}40%{transform:translateY(-7px)}}.kg-place.in{animation:.62s cubic-bezier(.22,1,.36,1) both kg-lay}@keyframes kg-lay{0%{opacity:0;transform:translateY(-22px)scale(.82)}70%{opacity:1;transform:translateY(2px)scale(1.01)}to{opacity:1;transform:none}}.kg-label,.kg-mark{animation-timing-function:cubic-bezier(.22,1,.36,1)}.kg-mat .kg-thing>:is(svg,.imat),.kg-move-item>:is(svg,span),.kg-tray-slot>:is(svg,span),.kg-stage .pres-choice .kg-thing>svg{filter:drop-shadow(0 3px 2px #6e481629)drop-shadow(0 1px 1px #6e48161f)}.kg-place.lit.hop .kg-thing{animation:.5s cubic-bezier(.3,.7,.4,1.3) both kg-count-hop}.kg-place.lit.wiggle .kg-thing{transform-origin:50% 90%;animation:.6s ease-in-out both kg-name-wiggle}@keyframes kg-count-hop{0%,to{transform:none}40%{transform:translateY(-14px)scale(1.05)}70%{transform:translateY(2px)}}@keyframes kg-name-wiggle{0%,to{transform:none}25%{transform:rotate(-7deg)}50%{transform:rotate(6deg)}75%{transform:rotate(-3deg)}}.kg-tray-slot:not(.landing)>:is(svg,span){animation:.5s cubic-bezier(.3,.7,.4,1.3) 50ms both kg-count-hop}.kg-stage.with-pic{gap:8px}.kg-mat.compact{min-height:0;padding:8px 8px 10px}.kg-mat.compact .kg-hand{display:none}@media (prefers-reduced-motion:reduce){.kg-place.lit .kg-thing,.kg-tray-slot>:is(svg,span){animation:none}}.kg-stage>.kg-mat{align-self:stretch}.kg-mat .en-print-bold{color:#2f7fcf;text-underline-offset:5px;font-weight:800;-webkit-text-decoration:underline #fec44bf2;text-decoration:underline #fec44bf2;text-decoration-thickness:3px}:root[data-band=upper],:root[data-band=middle]{--b-ice:#dceaf7;--b-edge:0 0 0 1px #134da00f;--b-shadow:0 0 0 1px #134da00f, 0 2px 4px #134da00a, 0 24px 56px -24px #134da04d;--b-glow:inset 0 1px 0 #fff9, 0 16px 28px -14px #c48a0abf;--b-ink:#0f2240;--b-soft-ink:#4b5f7c;--b-card:28px;--b-btn:18px;--b-band:32px;--b-tile:26px}:root[data-band=middle]{--b-card:16px;--b-btn:12px;--b-band:20px;--b-tile:12px}:root[data-band=upper] body,:root[data-band=middle] body,:root[data-band=upper] .kn-page,:root[data-band=middle] .kn-page{background:var(--b-ice) var(--pat-soft) 0 0 / 66px 60px repeat}:root[data-band=upper] .kn-page:before,:root[data-band=middle] .kn-page:before{display:none}:root[data-band=upper] .btn-sun,:root[data-band=middle] .btn-sun{border-radius:var(--b-btn);color:var(--b-ink);box-shadow:var(--b-glow);font-weight:800}:root[data-band=upper] .btn-sun:hover:not(:disabled),:root[data-band=middle] .btn-sun:hover:not(:disabled){box-shadow:inset 0 1px #fff9,0 20px 32px -14px #c48a0acc}:root[data-band=upper] .btn-navy,:root[data-band=middle] .btn-navy,:root[data-band=upper] .btn-tint,:root[data-band=middle] .btn-tint,:root[data-band=upper] .btn-ghost,:root[data-band=middle] .btn-ghost{border-radius:var(--b-btn)}:root[data-band=upper] .btn-navy,:root[data-band=middle] .btn-navy{box-shadow:0 12px 22px -12px #134da0b3}:root[data-band=upper] .wb-top .btn,:root[data-band=middle] .wb-top .btn{border-radius:var(--b-btn)}:root[data-band=upper] .wb-top .sound-btn,:root[data-band=middle] .wb-top .sound-btn{border-radius:50%}.bh{isolation:isolate;border-radius:var(--b-band,32px);background:var(--navy);color:#fff;flex-wrap:wrap;align-items:center;gap:16px 24px;margin-top:24px;padding:24px 32px 88px;display:flex;position:relative;overflow:hidden;box-shadow:inset 0 1px #ffffff2e,0 20px 40px -24px #134da0cc}.bh-smile{z-index:-1;width:520px;height:238px;fill:var(--sky);pointer-events:none;position:absolute;bottom:-150px;right:-88px}.bh-trail{flex:0 auto;min-width:0}.bh-trail .kn-trail{background:0 0;margin:0;padding:0}.bh-trail .kn-round{width:44px;height:44px}.bh-trail .kn-chip{height:44px;font-size:14px}.bh-trail .kn-dot{width:32px;height:32px;font-size:13px}.bh-head{flex:320px;justify-content:flex-end;align-items:center;gap:16px;min-width:0;display:flex}.bh-txt{text-align:right;flex-direction:column;align-items:flex-end;gap:4px;min-width:0;display:flex}.bh-kick{color:#bfddf5;font-size:13px}.bh-title{letter-spacing:-.01em;color:#fff;overflow-wrap:anywhere;max-width:28ch;margin:0;font-size:28px;font-weight:700;line-height:1.2}.bh-title .mfrac{font-size:.8em}.bh-medal{background:#fff;border-radius:20px;flex-direction:column;flex:none;justify-content:center;align-items:center;gap:2px;width:64px;height:64px;display:flex;box-shadow:0 6px #0000001f}.bh-medal b{font:800 28px/1 var(--book-font);color:var(--navy)}:root[data-band=middle] .bh-medal{border-radius:14px}:root[data-band=middle] .bh-medal b{font:700 24px/1 var(--font)}.bh-meter{flex-direction:column;flex:none;align-items:center;gap:4px;display:flex}.bh-meter b{font:700 22px/1 var(--font);color:#fff;font-variant-numeric:tabular-nums}.bh-meter b small{color:#bfddf5;font-size:15px;font-weight:500}:root:is([data-band=upper],[data-band=middle]) .wb.wb-band{grid-template-columns:minmax(0,1fr) 330px;gap:24px;margin-top:-64px;padding:0 24px 48px;position:relative}:root:is([data-band=upper],[data-band=middle]) .wb.wb-band>.wb-side{display:none}:root:is([data-band=upper],[data-band=middle]) .wb-band .sheet{border-top:8px solid var(--sky);border-radius:var(--b-card);box-shadow:var(--b-shadow);padding:24px 32px 32px}:root:is([data-band=upper],[data-band=middle]) .wb-band .sheet-ins{color:var(--navy);margin:4px 0 24px;font-size:24px;font-weight:700;line-height:1.3}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right>.card,:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right .pad{border-radius:var(--b-card);box-shadow:var(--b-shadow);border:0}:root:is([data-band=upper],[data-band=middle]) .wb-band .learn-go,:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right>.btn-sun{min-height:62px;font-size:19px}:root:is([data-band=upper],[data-band=middle]) .wb-band .key{border-radius:14px}:root[data-band=middle] .wb-band .key{border-radius:10px}:root:is([data-band=upper],[data-band=middle]) .wb-band .band-score{padding:16px 24px}:root:is([data-band=upper],[data-band=middle]) .wb-band .band-score .eyebrow,:root:is([data-band=upper],[data-band=middle]) .wb-band .band-score .dots,:root:is([data-band=upper],[data-band=middle]) .wb-band .band-score .score-big{display:none}:root:is([data-band=upper],[data-band=middle]) .wb-band .band-score p{color:var(--b-soft-ink);margin:0}.bv{border-radius:var(--b-card,28px);background:var(--navy);color:#fff;text-align:left;align-items:flex-end;width:100%;min-height:152px;padding:16px;transition:transform .15s;display:flex;position:relative;overflow:hidden;box-shadow:0 26px 46px -24px #134da0bf}.bv:hover{transform:translateY(-1px)}.bv-play{width:60px;height:60px;color:var(--navy);background:#fff;border-radius:50%;place-items:center;display:grid;position:absolute;top:16px;left:50%;translate:-50%;box-shadow:0 10px 22px #00000040}.bv-play svg{margin-left:3px}.bv-txt{flex-direction:column;gap:2px;display:flex;position:relative}.bv-txt b{font:700 16px/1.25 var(--book-font)!important}.bv-txt small{color:#bfddf5;font:400 13px/1.3 var(--book-font)!important}.bv:not(.seen) .bv-play{animation:1.8s ease-in-out infinite wrd-pulse}@media (prefers-reduced-motion:reduce){.bv:not(.seen) .bv-play{animation:none}.bv{transition:none}}.bp{gap:8px;padding:16px 24px;display:grid;border-top:8px solid #a2c466!important}.bp-head{align-items:center;gap:12px;display:flex}.bp-count{color:var(--b-soft-ink);font:500 14px/1.3 var(--font)!important}.bp-line{color:#2f5a14;background:#e9f3dc;border-radius:12px;margin:0;padding:8px 12px;font:600 14px/1.35 var(--font)!important}.bp-note{color:var(--b-soft-ink);margin:0;font:400 14px/1.45 var(--font)!important}.bp-list{margin:0;padding:0;list-style:none;display:block}.bp-list>li{margin:0;padding:0;display:block}.bp-row a{color:#6a7d97;align-items:center;gap:8px;min-height:44px;padding:0;display:flex;font:500 15px/1.25 var(--font)!important}.bp-row+.bp-row a{border-top:1px solid #eef3f8}.bp-mark{width:18px;height:18px;color:var(--sky);border:2px solid #d5e1ee;border-radius:50%;flex:none;place-items:center;display:grid}.bp-row.done .bp-mark{border:0}.bp-row.here a{width:calc(100% + 24px);color:var(--navy);background:#eef6fd;border-top-color:#0000;border-radius:14px;margin:0 -12px;padding:0 12px;font-weight:700!important}.bp-row.here+.bp-row a{border-top-color:#0000}.bp-row.here .bp-mark{background:var(--navy);border:0;width:16px;height:16px;box-shadow:0 0 0 4px #cfe3f6}.smile-meter{flex:none;display:block}:root:is([data-band=upper],[data-band=middle]) .wb-band .guide-start{border-radius:var(--b-card);box-shadow:var(--b-shadow);padding:16px}:root:is([data-band=upper],[data-band=middle]) .wb-band .guide-start small{color:#eaf5fd;opacity:1;font-size:13px}:root:is([data-band=upper],[data-band=middle]) .wb-band .guide-start .guide-face{box-shadow:0 0 0 4px #ffffff40}:root:is([data-band=upper],[data-band=middle]) .wb-band .guide-panel{border-radius:var(--b-card)}:root:is([data-band=upper],[data-band=middle]) .wb-band .tips{--tip-surface:#fff1cc;--tip-hair:#f5dc9d;max-width:none}:root:is([data-band=upper],[data-band=middle]) .wb-band .tips-open{border-radius:var(--b-card);box-shadow:var(--b-shadow);color:var(--navy);border:0}:root:is([data-band=upper],[data-band=middle]) .wb-band .tips-open:hover{background:#ffeab3}:root:is([data-band=upper],[data-band=middle]) .wb-band .tips-ic{color:#b07a00}:root:is([data-band=upper],[data-band=middle]) .wb-band .tips-open-text b{color:var(--navy)}:root:is([data-band=upper],[data-band=middle]) .wb-band .pres-mat{border:0;border-radius:22px;box-shadow:inset 0 0 0 2px #e6d7b9}:root[data-band=middle] .wb-band .pres-mat{border-radius:16px}:root[data-band=middle] .wb-band :is(.learn-hero,.page-figure){background-blend-mode:multiply;background:linear-gradient(#e6eff8 1px,#0000 1px) 0 0/26px 26px,#fbfdff linear-gradient(90deg,#e6eff8 1px,#0000 1px) 0 0/26px 26px;border-radius:16px;padding:24px;box-shadow:inset 0 0 0 1px #dfe8f2}:root[data-band=upper] .wb-band .learn-hero{background:#f4ecdd radial-gradient(#9678461a 1px,#0000 1.2px) 0 0/9px 9px;border-radius:22px;padding:24px;box-shadow:inset 0 0 0 2px #e6d7b9}.bstep{flex-direction:column;gap:24px;padding-top:8px;scroll-margin-top:24px;display:flex}.bstep-mat{background:#f4ecdd radial-gradient(#9678461a 1px,#0000 1.2px) 0 0/9px 9px;border-radius:22px;place-items:center;min-height:220px;padding:32px 24px;display:grid;overflow:hidden;box-shadow:inset 0 0 0 2px #e6d7b9}:root[data-band=middle] .bstep-mat{background-color:#fbfdff;background-image:linear-gradient(#e6eff8 1px,#0000 1px),linear-gradient(90deg,#e6eff8 1px,#0000 1px);background-position:0 0;background-repeat:repeat;background-size:26px 26px;background-attachment:scroll;background-origin:padding-box;background-clip:border-box;border-radius:16px;box-shadow:inset 0 0 0 1px #dfe8f2}.bstep-mat>*{max-width:100%}.bstep-mat svg{max-width:100%;height:auto}.bstep-mat .imat>svg{min-width:min(100%,360px)}.bstep-maths{text-align:center;cursor:pointer;min-height:96px;color:var(--b-ink);letter-spacing:.01em;flex-wrap:wrap;justify-content:center;align-items:center;gap:0 .2em;padding:8px 16px;display:flex;font:800 clamp(30px, 4.2vw, 48px)/1.35 var(--book-font)!important;-webkit-text-stroke:0!important}.bstep-maths:focus-visible{outline:3px solid var(--sun);outline-offset:4px;border-radius:12px}.bstep-mark{color:var(--sky);box-shadow:0 0 0 3px var(--sky);background:#e3f1fb;border-radius:999px;align-items:center;margin:0 .08em;padding:.02em .28em;display:inline-flex}.bstep-mark .mfrac-bar{background:currentColor}.bstep-cap{align-items:center;gap:16px;padding:0 8px;display:flex}.bstep-n{background:var(--sky);color:#fff;border-radius:18px;flex-direction:column;flex:none;justify-content:center;align-items:center;gap:2px;width:54px;height:54px;display:flex}.bstep-n b{font:800 24px/1 var(--book-font)!important}:root[data-band=middle] .bstep-n{background:var(--navy);border-radius:14px}:root[data-band=middle] .bstep-n b{font-variant-numeric:tabular-nums;font:700 19px/1 var(--book-font)!important}.bstep-say{min-width:0;color:var(--b-ink);flex:1;margin:0;font-size:20px;line-height:1.45}:root[data-band=middle] .bstep-say{font-size:19px}.bstep.guide-on{outline:4px solid var(--sky);outline-offset:8px;border-radius:16px}:root[data-band=middle] .wb-band .qcard-row{border-width:0 0 1px;border-radius:0;padding:12px 4px}:root[data-band=middle] .wb-band .qrow.ok .qcard-row,:root[data-band=middle] .wb-band .qrow.no .qcard-row{border-width:1px;border-radius:8px}:root[data-band=middle] .wb-band .abox{border-radius:8px}:root[data-band=middle] .wb-band .qn{font-size:16px;font-family:var(--book-font)!important}.qstrip{flex-wrap:wrap;align-items:center;gap:8px 16px;margin:0 0 16px;display:flex}.qstrip ol{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.qstrip button{color:#6a7d97;background:#f3f7fb;border-radius:10px;min-width:44px;height:44px;padding:0 8px;font:700 14px/1 var(--font)!important}.qstrip button.filled{color:var(--navy);background:#e3f1fb}.qstrip button.ok{background:var(--navy);color:#fff}.qstrip button.no{color:var(--no);box-shadow:inset 0 0 0 2px var(--no);background:#fff}.qstrip button.here{color:var(--navy);box-shadow:inset 0 0 0 2px var(--sky);background:#fff}.qstrip-k{color:var(--b-soft-ink);margin-left:auto;font:400 13px/1.3 var(--font)!important}.bs{padding-bottom:48px}.bs>.bh{margin-top:0}.bs-grid{align-items:start;gap:24px;margin-top:-64px;padding:0 24px;display:grid;position:relative}.bs-upper .bs-grid{grid-template-columns:360px minmax(0,1fr)}.bs .card{border-radius:var(--b-card);box-shadow:var(--b-shadow);border:0}.bs-badges{flex-direction:column;flex:none;align-items:flex-end;gap:8px;display:flex}.bs-badges-h{color:#bfddf5;font-size:13px}.bs-badges ul{flex-wrap:wrap;justify-content:flex-end;gap:8px;max-width:360px;margin:0;padding:0;list-style:none;display:flex}.bs-badge{border-radius:16px;flex-direction:column;justify-content:center;align-items:center;gap:2px;width:52px;height:52px;display:flex}.bs-badge.next{color:#bfddf5;border:2px dashed #ffffff73;font-size:20px;font-weight:700}.bs-sr{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.bs-go{flex-direction:column;gap:16px;padding:24px;display:flex;border-top:8px solid var(--sky)!important}.bs-go-h{font:600 13px/1.3 var(--font);color:var(--b-soft-ink)}.bs-go-mat{background:#f4ecdd radial-gradient(#9678461a 1px,#0000 1.2px) 0 0/9px 9px;border-radius:20px;place-items:center;min-height:160px;padding:24px 16px;display:grid;overflow:hidden;box-shadow:inset 0 0 0 2px #e6d7b9}.bs-go-mat>*{max-width:100%}.bs-go-mat svg{max-width:100%;height:auto;max-height:200px}.bs-go-t{flex-direction:column;gap:4px;display:flex}.bs-go-t b{font:700 20px/1.25 var(--book-font);color:var(--navy)}.bs-go-t span{color:var(--b-soft-ink);font-size:14px}.bs-cta{justify-content:center}.bs-go .bs-cta{min-height:62px;font-size:19px}.bs-lessons{flex-direction:column;gap:24px;padding:32px;display:flex}.bs-lessons h2,.bs-list h2,.bs-mine h2{color:var(--navy);margin:0;font-size:22px;font-weight:700}.bs-tiles{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:24px 16px;margin:0;padding:0;list-style:none;display:grid}.bs-tile button{text-align:center;width:100%;color:var(--b-ink);flex-direction:column;align-items:center;gap:12px;display:flex}.bs-tile button:disabled{cursor:default}.bs-tile-n{border-radius:var(--b-tile);background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:4px;width:84px;height:84px;transition:transform .15s;display:flex;box-shadow:0 0 0 2px #dbe8f4}.bs-tile-n b{font:800 34px/1 var(--book-font);color:var(--navy)}.bs-tile button:not(:disabled):hover .bs-tile-n{transform:translateY(-2px)}.bs-tile.done .bs-tile-n{background:#eef5e1;box-shadow:0 0 0 2px #cfe3b0}.bs-tile.done .bs-tile-n b{color:#3e5a12}.bs-tile.here .bs-tile-n{background:var(--sun);box-shadow:0 0 0 8px #fec44b47}.bs-tile.here .bs-tile-n b{color:var(--b-ink)}.bs-tile-t{font:600 16px/1.3 var(--book-font);color:var(--b-ink);overflow-wrap:anywhere;max-width:18ch}.bs-tile.later .bs-tile-t{color:var(--b-soft-ink)}.bs-tile-s{font:700 13px/1.2 var(--font);color:#94a5bb}.bs-tile.done .bs-tile-s{color:#2b7a1f}.bs-tile.here .bs-tile-s{color:#8a6200}.bs-doors{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;display:grid}.bs-door{background:var(--navy);color:#fff;text-align:left;border-radius:22px;align-items:center;gap:16px;padding:20px 24px;transition:transform .15s;display:flex;box-shadow:0 20px 36px -22px #134da0cc}.bs-door.sky{background:var(--sky);box-shadow:0 20px 36px -22px #2698dde6}.bs-door:not(:disabled):hover{transform:translateY(-1px)}.bs-door:disabled{opacity:.55;cursor:default}.bs-door span{flex-direction:column;gap:2px;min-width:0;display:flex}.bs-door b{font-size:17px}.bs-door small{color:#e3f2fc;font-size:13px}:root[data-band=middle] .bs-door{box-shadow:none;border-radius:16px;padding:16px 20px}.bs-list{padding:24px 32px;border-top:8px solid var(--sky)!important}.bs-list ol{margin:8px 0 0;padding:0;list-style:none}.bs-row{border-bottom:1px solid #edf2f8;grid-template-columns:48px minmax(0,1fr) auto;align-items:center;gap:8px 16px;padding:16px 0;display:grid}.bs-row-n{font:600 15px/1 var(--font);color:#94a5bb;font-variant-numeric:tabular-nums}.bs-row-t{flex-direction:column;gap:4px;min-width:0;display:flex}.bs-row-open{text-align:left;font:400 16px/1.35 var(--font);color:var(--b-ink)}.bs-row-open:disabled{cursor:default;color:var(--b-soft-ink)}.bs-row-open:not(:disabled):hover{color:var(--navy);text-underline-offset:3px;text-decoration:underline}.bs-row-t small{color:#7a6326;font-size:13px}.bs-row-s{font:600 13px/1 var(--font);color:var(--navy);white-space:nowrap;align-items:center;gap:8px;display:flex}.bs-tick{background:var(--navy);border-radius:50%;place-items:center;width:20px;height:20px;display:grid}.bs-row.current{background:#fff8e6;border-bottom:0;border-radius:12px;margin:8px -16px;padding:16px;box-shadow:inset 0 0 0 1px #f5dc9d}.bs-row.current .bs-row-n{color:#b07a00;font-weight:700}.bs-row.current .bs-row-open{font-size:17px;font-weight:700}.bs-row .bs-cta{min-height:46px;padding:0 24px;font-size:16px}.bs-side{gap:16px;display:grid}.bs-side .bs-doors{grid-template-columns:1fr}.bs-mine{background-color:#fbfdff;background-image:linear-gradient(#e6eff8 1px,#0000 1px),linear-gradient(90deg,#e6eff8 1px,#0000 1px);background-size:26px 26px;border-radius:16px;padding:24px;box-shadow:inset 0 0 0 1px #dfe8f2}.bs-mine h2{color:var(--b-soft-ink);font-size:13px;font-weight:600}.bs-mine dl{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:12px 0 0;display:grid}.bs-mine dl>div{flex-direction:column-reverse;gap:2px;min-width:0;display:flex}.bs-mine dd{font:700 28px/1.1 var(--font);color:var(--navy);font-variant-numeric:tabular-nums;margin:0}.bs-mine dt{color:var(--b-soft-ink);font-size:13px;line-height:1.35}.bs-mine dt .mfrac{font-size:.85em}.bs>.pt-fresh,.bs>.ps,.bs>section{margin-left:24px;margin-right:24px}@media (width<=1200px){:root:is([data-band=upper],[data-band=middle]) .wb.wb-band{grid-template-columns:minmax(0,1fr) 280px;padding:0 16px 48px}.bs-upper .bs-grid{grid-template-columns:300px minmax(0,1fr);padding:0 16px}.bs-middle .bs-grid{grid-template-columns:minmax(0,1fr) 300px;padding:0 16px}.bh-title{font-size:24px}}@media (width<=900px){:root:is([data-band=upper],[data-band=middle]) .wb.wb-band{grid-template-columns:minmax(0,1fr);margin-top:-56px;padding:0 0 40px}.bs-upper .bs-grid,.bs-middle .bs-grid{grid-template-columns:minmax(0,1fr);margin-top:-56px;padding:0}.bs>.pt-fresh,.bs>.ps,.bs>section{margin-left:0;margin-right:0}.bh{padding:16px 16px 80px}.bh-head{flex-basis:100%;justify-content:space-between}.bh-txt{text-align:left;align-items:flex-start}.bh-smile{width:360px;height:165px;bottom:-104px;right:-80px}.bs-badges{align-items:flex-start}.bs-badges ul{justify-content:flex-start}}@media (width<=700px){:root:is([data-band=upper],[data-band=middle]) .wb-band .sheet{padding:16px 16px 24px}:root:is([data-band=upper],[data-band=middle]) .wb-band .sheet-ins{margin-bottom:16px;font-size:20px}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right .bv,:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right .bp,:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right.pad-on .guide-start{display:none}.bh-title{font-size:21px}.bh-medal{border-radius:16px;width:52px;height:52px}.bh-medal b{font-size:22px!important}.bs-badges-h{display:none}.bs-badge{border-radius:12px;width:44px;height:44px}.bs-lessons,.bs-list,.bs-go{padding:16px}.bs-tiles{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 8px}.bs-tile-n{width:72px;height:72px}.bs-tile-n b{font-size:28px}.bs-row{grid-template-columns:32px minmax(0,1fr)}.bs-row>:last-child:not(:empty){grid-column:2;justify-self:start}.bs-row.current{margin:8px -8px;padding:12px 8px}.qstrip-k{display:none}.bstep-mat{min-height:160px;padding:16px}.bstep-say{font-size:18px}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right:not(.pad-on) .bp{display:grid}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right:not(.pad-on) .bv{display:flex}}@media (prefers-reduced-motion:reduce){.bs-tile-n,.bs-door{transition:none}}:root:is([data-band=upper],[data-band=middle]) body:has(.wb-band) .lesson-help{padding:0 0 8px}:root:is([data-band=upper],[data-band=middle]) .wb.wb-band{padding-bottom:8px}:root:is([data-band=upper],[data-band=middle]) .wb-band{--fit:max(520px, calc(100dvh - var(--stage-top,300px) - 64px))}:root:is([data-band=upper],[data-band=middle]) .wb-band .sheet{height:var(--fit);flex-direction:column;min-height:0;padding-bottom:16px;display:flex}:root:is([data-band=upper],[data-band=middle]) .wb-band .sheet>.sheet-ins{flex:none;margin:0 0 16px}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right{max-height:var(--fit);overscroll-behavior:contain;scrollbar-width:thin;margin:0 -4px;padding:0 4px 24px;overflow-y:auto}.pg-stage{overscroll-behavior:contain;scrollbar-width:thin;flex:auto;min-height:0;margin:0 -8px;padding:0 8px;position:relative;overflow:hidden auto}.pg-screen{flex-direction:column;justify-content:center;gap:16px;min-height:100%;padding:8px 0;display:flex}@keyframes pg-from-next{0%{opacity:0;transform:translate(48px)}to{opacity:1;transform:none}}@keyframes pg-from-back{0%{opacity:0;transform:translate(-48px)}to{opacity:1;transform:none}}.pg-screen.from-next{animation:.32s cubic-bezier(.2,.8,.2,1) both pg-from-next}.pg-screen.from-back{animation:.32s cubic-bezier(.2,.8,.2,1) both pg-from-back}:root[dir=rtl] .pg-screen.from-next{animation-name:pg-from-back}:root[dir=rtl] .pg-screen.from-back{animation-name:pg-from-next}@media (prefers-reduced-motion:reduce){.pg-screen.from-next,.pg-screen.from-back{animation:none}}.pg-foot{border-top:1px solid #edf2f8;flex:none;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;margin-top:16px;padding-top:16px;display:grid}.pg-foot .btn{min-height:52px}.pg-back:disabled{visibility:hidden}.pg-mid{flex-direction:column;align-items:center;gap:8px;min-width:0;display:flex}.pg-count{color:var(--b-soft-ink);white-space:nowrap;font:600 14px/1.2 var(--font)!important}.pg-bar{gap:4px;width:min(100%,360px);margin:0;padding:0;list-style:none;display:flex}.pg-bar li{flex:1 1 0;min-width:0}.pg-bar button{background:#d5e1ee;border-radius:4px;width:100%;height:8px;display:block;position:relative}.pg-bar button:before{content:"";position:absolute;inset:-18px 0}.pg-bar button.past,.pg-bar button.filled{background:#9ccbee}.pg-bar button.ok{background:var(--ok)}.pg-bar button.no{background:var(--no)}.pg-bar button.on{background:var(--navy);box-shadow:0 0 0 2px #fff, 0 0 0 4px var(--sky)}.pg-bar button:disabled{cursor:default}.pg-act{justify-content:flex-end;min-width:0;display:flex}.pg-act:empty{min-width:0}.pg-go{justify-content:center;min-width:168px}@keyframes pg-ready{0%,to{box-shadow:var(--b-glow)}50%{box-shadow:var(--b-glow), 0 0 0 6px #fec44b73}}.pg-go.ready{animation:1.4s ease-in-out infinite pg-ready}@media (prefers-reduced-motion:reduce){.pg-go.ready{box-shadow:var(--b-glow), 0 0 0 4px #fec44b8c;animation:none}}.wb-band .qgrid.one{grid-template-columns:minmax(0,1fr);gap:16px;width:100%;max-width:760px;margin:0 auto;display:grid}.wb-band .qgrid.one .qrow{font-size:1.12em}.wb-band .qgrid.one .item-prompt{font-size:28px}.wb-band .qgrid.one .eq{font-size:34px}.wb-band .qgrid.one .abox{width:64px;height:64px;font-size:32px}.wb-band .qgrid.one .qrow.qitem .qn{display:none}.wb-band .feedback{flex:none;margin:8px 0 0}.wb-band .feedback.ok{color:#2f5a14;background:#e9f3dc}.pg-intro{gap:16px;display:grid}.pg-intro .ex-card,.pg-intro .example-card{margin:0}.band-mat{justify-content:center}.wb-band .bstep{justify-content:center;min-height:100%;padding-top:0}.wb-band .bstep .takeaway,.wb-band .bstep .tips{margin:0}.wb-band .bstep-mat{flex:0 auto;min-height:0}.wb-band .bstep-mat svg{width:auto;max-height:34vh}.bs-upper .bs-tiles{gap:16px}.bs-upper .bs-lessons{gap:16px;padding:24px 32px}.bs-upper .bs-go{gap:12px}.bs-upper .bs-go-mat{min-height:128px;padding:16px}.bs-upper .bs-go-mat svg{max-height:128px}.bs-list ol{max-height:none}.bs-row{padding:12px 0}.bs>.pt-fresh{margin-top:24px}@media (width<=700px){:root:is([data-band=upper],[data-band=middle]) .wb-band{--fit:auto}:root:is([data-band=upper],[data-band=middle]) .wb-band .sheet{height:auto;min-height:calc(100dvh - 220px)}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right{max-height:none;overflow:visible}.pg-stage{overflow:visible}.pg-foot{z-index:6;padding:12px 16px calc(12px + env(safe-area-inset-bottom));border-radius:0 0 var(--b-card) var(--b-card);background:#fff;grid-template-columns:auto minmax(0,1fr) auto;gap:8px;margin:16px -16px -16px;position:sticky;bottom:0}.pg-foot .btn{min-height:48px;padding:0 16px}.pg-go{min-width:0}.pg-bar{width:100%}.wb-band .qgrid.one .item-prompt{font-size:22px}.wb-band .qgrid.one .eq{font-size:28px}.wb-band .bstep-mat svg{max-height:28vh}.wb-band .bstep-maths{min-height:72px}}:root:is([data-band=upper],[data-band=middle]) .wb-top:has(~.wrap .bh) .wb-title{display:none}.bh.bh-page{margin-top:16px;padding:16px 24px 80px}.bh.bh-page .bh-title{max-width:38ch;font-size:21px;line-height:1.25}.bh.bh-page .bh-medal{border-radius:18px;width:56px;height:56px}.bh.bh-page .bh-medal b{font-size:24px}:root:is([data-band=upper],[data-band=middle]) .wb.wb-band{margin-top:-64px}@media (width>=1101px){.wb-band .bstep:has(.bstep-mat):has(.bstep-maths){grid-template-rows:1fr auto;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-content:center;gap:24px 32px;display:grid}.wb-band .bstep:has(.bstep-mat):has(.bstep-maths)>.bstep-mat{grid-area:1/1;align-self:center}.wb-band .bstep:has(.bstep-mat):has(.bstep-maths)>.bstep-maths{grid-area:1/2;align-self:center}.wb-band .bstep:has(.bstep-mat):has(.bstep-maths)>:not(.bstep-mat):not(.bstep-maths){grid-column:1/-1}}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right>.bp{order:1}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right>:is(.pad,.card.pad,.wp-open,.write-pad,.wpad){order:2}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right>:is(.guide-start,.guide-panel){order:3}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right>.guide-panel{order:0}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right>:not(.bp):not(.pad):not(.wp-open):not(.guide-start):not(.guide-panel){order:4}.wb-band .bp{padding:12px 20px}.wb-band .bp .smile-meter{width:72px;height:33px}.wb-band .qgrid.one .qcard-row,.wb-band .qgrid.one .item{justify-content:center;align-items:center;min-height:160px;padding:24px}:root[data-band=middle] .wb-band .qgrid.one .qcard-row{border-width:0}.bs-moredoor{width:100%;color:var(--navy);text-align:left;box-shadow:var(--b-edge);background:#fff1cc;border-radius:16px;align-items:center;gap:16px;padding:16px 20px;display:flex}.bs-moredoor span{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.bs-moredoor b{font-size:16px}.bs-moredoor small{color:#6b5a33;font-size:13px}.bs-moredoor i{font-size:20px;font-style:normal}.bs-more{margin-top:-64px;padding:0 24px;position:relative}.bs-more-head{margin-bottom:16px;display:flex}.bs-more .ps{margin-top:0}.bs-more .pt-fresh{margin-top:0;margin-bottom:24px}.bs-lessons .bs-moredoor{margin-top:-8px}@media (width<=900px){.bs-more{margin-top:-56px;padding:0}}.wb-band .qgrid.one .qcard-row .eq,.wb-band .qgrid.one .item-prompt{font-size:clamp(36px,4vw,52px)}.wb-band .qgrid.one .abox{border-radius:16px;width:84px;height:84px;font-size:40px}.wb-band .qgrid.one .mfrac{font-size:1em}.wb-band .qgrid.one .mfrac-bar{height:3px}:root:is([data-band=upper],[data-band=middle]) .kn-home:has(>.bs,>div>.bs){padding-top:16px;padding-bottom:16px}:root:is([data-band=upper],[data-band=middle]) .child-home:has(.bs){padding-bottom:16px}.bs .bh{padding-bottom:80px}@media (width<=1200px){.bs-upper .bs-go-mat{min-height:104px}.bs-upper .bs-go-mat svg{max-height:96px}.bs-tile-n{width:72px;height:72px}.bs-tile-n b{font-size:30px}}:root:is([data-band=upper],[data-band=middle]) .kn-page:has(.bs){min-height:0}.bh{contain:paint}:root:is([data-band=upper],[data-band=middle]),:root:is([data-band=upper],[data-band=middle]) body{overflow-x:clip}@media (width<=900px){.bh-smile{width:300px;height:137px;bottom:-84px;right:-40px}}@media (width<=1200px){.bs .bh{padding-top:16px;padding-bottom:72px}.bs-upper .bs-lessons,.bs-upper .bs-go{padding:16px 24px}}.bs-middle .bs-side .bs-doors{grid-template-columns:1fr 1fr;gap:8px}.bs-middle .bs-side .bs-door{flex-direction:column;align-items:flex-start;gap:8px;padding:16px}.bs-middle .bs-side .bs-door small{display:none}.bs-mine{padding:16px 20px}.bs-mine dl{gap:8px 16px;margin-top:8px}.bs-mine dd{font-size:24px}.bs-mine dt{font-size:12.5px}.bs-middle .bs-moredoor{padding:12px 16px}@media (width<=700px){:root:is([data-band=upper],[data-band=middle]) .wb-band .sheet{overflow:visible}.pg-foot{border-radius:0;margin:0;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -8px 24px -16px #134da073}.pg-count{font-size:13px!important}.bstep-cap{align-items:flex-start;gap:12px;padding:0}.bstep-n{border-radius:12px;width:40px;height:40px}.bstep-n svg{display:none}.bstep-n b{font-size:18px!important}.bstep-say{font-size:17px}.bh.bh-page{padding:12px 16px 72px}.bh.bh-page .bh-head{gap:12px}.bh.bh-page .bh-title,:root:is([data-band=upper],[data-band=middle]) .wb-band .sheet-ins{font-size:19px}.wb-band .qgrid.one .qcard-row .eq,.wb-band .qgrid.one .item-prompt{font-size:32px}.wb-band .qgrid.one .abox{width:64px;height:64px;font-size:32px}.wb-band .qgrid.one .qcard-row,.wb-band .qgrid.one .item{min-height:120px;padding:16px}.pg-foot{grid-template-columns:auto minmax(0,1fr);grid-template-areas:"mid mid""back act";row-gap:8px;padding-top:8px}.pg-mid{flex-direction:row;grid-area:mid;gap:12px}.pg-back{grid-area:back}.pg-act{grid-area:act}.pg-act .btn{width:100%}.pg-bar{flex:1}.pg-bar button{height:6px}.pg-back:disabled{visibility:visible;opacity:.4}:root:is([data-band=upper],[data-band=middle]) .wb-band .sheet{padding-bottom:136px}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right.pad-on{padding:8px 0;bottom:128px}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right .bp,:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right .bv{display:none!important}:root:is([data-band=upper],[data-band=middle]) body:has(.pg-foot) .lesson-help{padding-bottom:136px}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right.pad-on{background:0 0;padding:0;position:static}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right.pad-on>.pad{z-index:6;border-radius:16px 16px 0 0;margin:0;position:fixed;bottom:120px;left:0;right:0;box-shadow:0 -8px 24px -16px #134da073}:root:is([data-band=upper],[data-band=middle]) .wb-band:has(.wb-right.pad-on) .sheet{padding-bottom:272px}}:root[data-band=middle] .wb-band .qgrid.one .item{border:0}@media (width<=1200px){.bh.bh-page .bh-title{font-size:19px}}.bh.bh-page .bh-head{align-items:center}.bp-head .bp-count{color:var(--navy);font-variant-numeric:tabular-nums;font:700 18px/1.2 var(--font)!important}.wb-band .qgrid.one .q-pic{background:#f4ecdd radial-gradient(#9678461a 1px,#0000 1.2px) 0 0/9px 9px;border-radius:22px;justify-content:center;padding:16px;display:flex;box-shadow:inset 0 0 0 2px #e6d7b9}.wb-band .qgrid.one .q-pic svg{max-width:100%;height:auto;max-height:30vh}.bstep-say.listen-only{color:var(--b-soft-ink);flex:0 auto;font-size:16px}.bs{min-height:calc(100dvh - var(--home-top,160px) - 16px);flex-direction:column;padding-bottom:16px;display:flex}.bs>.bs-grid,.bs>.bs-more{flex:auto}.bs-upper .bs-go .bs-go-mat{flex:auto}.bs-upper .bs-lessons{justify-content:space-between}.bs-middle .bs-list{flex-direction:column;display:flex}.bs-middle .bs-list ol{flex-direction:column;flex:auto;display:flex}.bs-middle .bs-row{flex:0 76px}.bs-middle .bs-side{grid-auto-rows:min-content;align-content:start}:root[data-band=middle]{--b-card:8px;--b-btn:8px;--b-band:8px;--b-tile:6px;--b-shadow:0 0 0 1px #134da014, 0 1px 2px #134da00f, 0 12px 28px -20px #134da047;--b-glow:inset 0 1px 0 #ffffff80, 0 8px 16px -10px #c48a0a99}:root[data-band=middle] body{font-variant-numeric:tabular-nums}:root[data-band=middle] .bh{box-shadow:0 12px 28px -20px #134da0b3}:root[data-band=middle] .bh-trail .kn-chip{border-radius:6px;padding-left:8px}:root[data-band=middle] .bh-trail .kn-dot{border-radius:4px;width:28px;height:28px}:root[data-band=middle] .bh-trail .kn-round{border-radius:6px}:root[data-band=middle] .bh-title{letter-spacing:-.005em;font-weight:600}:root[data-band=middle] .bh-medal{box-shadow:none;border-radius:6px}:root[data-band=middle] .wb-band .sheet{border-top-width:4px}:root[data-band=middle] .wb-band .sheet-ins{letter-spacing:-.005em;font-size:21px;font-weight:600}:root[data-band=middle] .bv{box-shadow:none;border-radius:8px;min-height:120px}:root[data-band=middle] .bv-play{width:48px;height:48px;box-shadow:none}:root[data-band=middle] .bp{border-top-width:4px!important}:root[data-band=middle] .bp-row.here a{border-radius:4px}:root[data-band=middle] .bp-mark{border-radius:3px}:root[data-band=middle] .wb-band .guide-start{box-shadow:none;border-radius:8px}:root[data-band=middle] .wb-band .guide-start .guide-face{width:40px;height:40px}:root[data-band=middle] .wb-band .tips-open{box-shadow:none;border:1px solid #f5dc9d;border-radius:8px}:root[data-band=middle] .wb-band .key{border-radius:6px;font-size:22px;font-weight:600;font-family:var(--book-font)!important}:root[data-band=middle] .wb-band .pad{border-radius:8px}:root[data-band=middle] .wb-band .abox{border-width:2px;border-radius:6px}:root[data-band=middle] .wb-band .qgrid.one .q-pic{background-color:#fbfdff;background-image:linear-gradient(#e6eff8 1px,#0000 1px),linear-gradient(90deg,#e6eff8 1px,#0000 1px);background-position:0 0;background-repeat:repeat;background-size:24px 24px;background-attachment:scroll;background-origin:padding-box;background-clip:border-box;border-radius:8px;box-shadow:inset 0 0 0 1px #dfe8f2}:root[data-band=middle] .wb-band .qgrid.one .item-prompt,:root[data-band=middle] .wb-band .qgrid.one .eq{font-weight:600;font-family:var(--book-font)!important;-webkit-text-stroke:0!important}:root[data-band=middle] .wb-band .qgrid.one .item-prompt *,:root[data-band=middle] .wb-band .qgrid.one .eq *{font-family:var(--book-font)!important;-webkit-text-stroke:0!important}:root[data-band=middle] .wb-band .feedback{border-radius:6px}:root[data-band=middle] .pg-foot{border-top-color:#e4ebf3}:root[data-band=middle] .pg-bar{gap:2px}:root[data-band=middle] .pg-bar button{border-radius:1px;height:6px}:root[data-band=middle] .pg-bar button.on{box-shadow:none;background:var(--navy);height:8px}:root[data-band=middle] .pg-count{letter-spacing:.01em;font-weight:500!important}:root[data-band=middle] .bstep-mat{border-radius:8px}:root[data-band=middle] .bstep-n{border-radius:6px;width:44px;height:44px}:root[data-band=middle] .bstep-n svg{display:none}:root[data-band=middle] .bstep-say{font-weight:400;font-family:var(--book-font)!important}:root[data-band=middle] .bstep-say *{font-family:var(--book-font)!important;-webkit-text-stroke:0!important}:root[data-band=middle] .bs-row.current{border-radius:6px}:root[data-band=middle] .bs-tick{border-radius:3px}:root[data-band=middle] .bs-door,:root[data-band=middle] .bs-moredoor,:root[data-band=middle] .bs-mine{border-radius:8px}:root[data-band=middle] .bs-list{border-top-width:4px!important}:root[data-band=middle] .bs-badge{border-radius:6px}.bs-middle .bs-row{flex:auto;max-height:112px}.bs-middle .bs-side{flex-direction:column;gap:16px;display:flex}.bs-middle .bs-side>.bs-mine{flex-direction:column;flex:auto;display:flex}.bs-middle .bs-mine dl{flex:1;align-content:space-evenly}.bs-middle .bs-side .bs-door{justify-content:flex-end;min-height:88px}@media (width<=1200px){:root:is([data-band=upper],[data-band=middle]) .wb-band{--fit:max(480px, calc(100dvh - var(--stage-top,300px) - 80px))}.bs-tile-t{font-size:14.5px}.bs-upper .bs-tiles{gap:8px 12px}}.wb-band .qgrid.one .item-model svg,.wb-band .qgrid.one .imat svg{width:auto;max-width:100%;max-height:30vh}.wb-band .qgrid.one .item{gap:8px}:root[data-band=upper]{--t-prompt:20px;--t-maths:38px;--t-body:18px;--t-work:40px;--t-title:26px;--t-box:52px}:root[data-band=middle]{--t-prompt:18px;--t-maths:32px;--t-body:16.5px;--t-work:32px;--t-title:24px;--t-box:46px}.bh-title,.bs .bh-title{font-size:var(--t-title)}.bh.bh-page .bh-title{font-size:calc(var(--t-title) - 4px)}:root:is([data-band=upper],[data-band=middle]) .wb-band .sheet-ins{font-size:var(--t-prompt);text-align:left;margin-bottom:12px;font-weight:600;line-height:1.35}:root[data-band=middle] .wb-band .sheet-ins{font-weight:600}.wb-band .qgrid.scr{grid-template-columns:repeat(2,minmax(0,1fr));align-content:center;gap:16px;width:100%;margin:0;padding:0;list-style:none;display:grid}.wb-band .qgrid.scr.n1,.wb-band .qgrid.scr.tall{grid-template-columns:minmax(0,1fr)}.wb-band .qgrid.scr.tall.n2{grid-template-columns:repeat(2,minmax(0,1fr))}.wb-band .qcell{background:#fff;border-radius:16px;flex-direction:column;gap:8px;min-width:0;padding:12px 16px;display:flex;box-shadow:inset 0 0 0 1.5px #dce8f5}:root[data-band=middle] .wb-band .qcell{border-radius:8px;box-shadow:inset 0 0 0 1px #dce8f5}.wb-band .qcell.ok{background:#eef6e3;box-shadow:inset 0 0 0 1.5px #b9d88e}.wb-band .qcell.not{background:#fff8e6;box-shadow:inset 0 0 0 1.5px #f5dc9d}.wb-band .qcell .qone{margin:0;padding:0;list-style:none}.wb-band .qcell .qrow{gap:12px}.wb-band .qcell .qrow .qcard-row,.wb-band .qcell .qrow .item{justify-content:flex-start;min-height:0;padding:0;background:0 0!important;border:0!important}.wb-band .qcell .qrow.qitem .qn{width:auto;min-width:32px;height:32px;box-shadow:none;border-radius:10px;margin:4px 0 0;padding:0 8px;display:grid;position:static;font-size:15px!important}:root[data-band=middle] .wb-band .qcell .qrow.qitem .qn{color:var(--navy);background:#eef3f9;border-radius:6px}.wb-band .qcell .q-mark{display:none}.wb-band .qcell .item-prompt,.wb-band .qcell .eq{text-align:left;line-height:1.3;font-size:var(--t-maths)!important}.wb-band .qcell .item-prompt{font-size:calc(var(--t-maths) * .62)!important}.wb-band .qcell .item-prompt:has(.mfrac){font-size:calc(var(--t-maths) * .8)!important}.wb-band .qcell .abox{width:var(--t-box);height:var(--t-box);min-width:44px;font-size:calc(var(--t-box) * .52);border-radius:12px}.wb-band .qcell .item-model svg,.wb-band .qcell .imat svg{width:auto;max-width:100%;max-height:22vh}.wb-band .qcell .q-pic{background:#f4ecdd;border-radius:12px;justify-content:center;padding:8px;display:flex;box-shadow:inset 0 0 0 1.5px #e6d7b9}.wb-band .qcell .q-pic svg{width:auto;max-width:100%;max-height:18vh}:root[data-band=middle] .wb-band .qcell .q-pic{background:#fbfdff;border-radius:6px;box-shadow:inset 0 0 0 1px #dfe8f2}.wb-band .qfb{color:#5a4300;text-align:left;margin:0;padding:0;font:400 15px/1.4 var(--book-font)!important}.wb-band .qfb *{font-family:var(--book-font)!important;-webkit-text-stroke:0!important}.wb-band .qfb.ok{color:#2f5a14}.wb-band .qfb b{font-weight:700}.wb-band .qfb .ra-btn{vertical-align:-4px;width:26px;height:26px;margin-right:6px}.wb-band .qcell .qhead-text{color:var(--b-soft-ink);font-size:15px}.pg-act{gap:8px}.bstep-maths{flex-direction:column;justify-content:center;align-items:flex-start;gap:8px;text-align:left!important;min-height:0!important;font:800 var(--t-work)/1.25 var(--book-font)!important;padding:0!important;display:flex!important}:root[data-band=middle] .bstep-maths{font:600 var(--t-work)/1.25 var(--book-font)!important}.wk-line{flex-wrap:wrap;justify-content:flex-start;align-items:center;gap:4px .3em;display:flex}.wk-g{white-space:nowrap;align-items:center;display:inline-flex}.wk-sep{color:var(--b-soft-ink);font-weight:600}.wk-sep.comma{margin-left:-.25em}.wk-g.mark,.wk-chip.mark{color:var(--sky);box-shadow:0 0 0 3px var(--sky);background:#e3f1fb;border-radius:12px;padding:0 .22em}.wk-parts{align-items:flex-start}.wk-chips{flex-wrap:wrap;flex-basis:100%;gap:8px;display:flex}.wk-chip{white-space:nowrap;background:#f3faff;border-radius:12px;padding:4px 14px;font-size:.7em;line-height:1.3;box-shadow:inset 0 0 0 1.5px #cfe6f7}:root[data-band=middle] .wk-chip{border-radius:6px}@media (width>=1101px){.wb-band .bstep:has(.bstep-mat):has(.bstep-maths){grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center}.wb-band .bstep:has(.bstep-mat):has(.bstep-maths)>.bstep-maths{align-self:center}}.bstep-cap{align-items:flex-start;padding:0!important}.bstep-n{border-radius:14px;width:44px;height:44px}.bstep-n b{font-size:19px!important}.bstep-say{text-align:left;padding-top:8px}.wb-band .bstep-mat{justify-items:start;padding:16px}.wb-band .bstep-mat>*{justify-self:center}.bsteps{align-content:center;gap:16px;min-height:100%;display:grid}.bsteps.n2 .bstep{cursor:pointer;border-radius:16px;gap:12px;min-height:0;padding:16px 20px;transition:opacity .2s;box-shadow:inset 0 0 0 1.5px #dce8f5}.bsteps.n2 .bstep.other{opacity:.72}:root[data-band=middle] .bsteps.n2 .bstep{border-radius:8px}.wb-band .bstep.guide-on{outline:none}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right>:is(.learn-go,.learn-wait,.learn-grownup){order:1}.bv{flex-direction:row;align-items:center;gap:12px;padding:12px 16px;min-height:0!important}.bv .bv-play{box-shadow:none;flex:none;position:static;translate:none;width:44px!important;height:44px!important;animation:none!important}.bv-txt b{font-size:15px!important}.bs-middle .bs-list ol{flex-direction:column;gap:8px;display:flex;overflow-y:auto}.bs-middle .bs-row{background:#fff;border:0;border-radius:8px;flex:none;grid-template-columns:48px 88px minmax(0,1fr) auto;align-items:center;gap:16px;max-height:none;margin:0;padding:12px 16px;display:grid;box-shadow:inset 0 0 0 1px #dfe8f2}.bs-middle .bs-row.done{background:#f5faee;box-shadow:inset 0 0 0 1px #cfe3b0}.bs-middle .bs-row.current{background:#fff8e6;margin:0;padding:16px;box-shadow:inset 0 0 0 1.5px #f5dc9d}.bs-num{width:48px;height:48px;color:var(--navy);background:#fff;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:2px;display:flex;box-shadow:inset 0 0 0 1.5px #dbe8f4}.bs-num b{font:700 17px/1 var(--font);font-variant-numeric:tabular-nums}.bs-num.done{box-shadow:none;color:#3e5a12;background:#e6f2d6}.bs-num.current{background:var(--sun);box-shadow:none;color:var(--b-ink)}.bs-thumb{background:#fbfdff;border-radius:6px;place-items:center;width:88px;height:60px;padding:4px;display:grid;overflow:hidden;box-shadow:inset 0 0 0 1px #dfe8f2}.bs-thumb>*{max-width:100%;max-height:100%}.bs-thumb svg{width:auto;max-width:80px;height:auto;max-height:52px}.bs-row-open{color:var(--b-ink);font-size:15.5px!important;font-weight:600!important;line-height:1.3!important}.bs-journey{flex-wrap:wrap;gap:4px 12px;margin-top:4px;display:flex}.bs-seg{font:500 12px/1.2 var(--font);color:#6a7d97;align-items:center;gap:6px;display:inline-flex}.bs-seg i{background:#d5e1ee;border-radius:1px;width:22px;height:5px}.bs-seg.done i{background:#7fa349}.bs-seg.now{color:var(--b-ink);font-weight:600}.bs-seg.now i{background:var(--sky)}.bs-meta{color:#6a7d97;font-variant-numeric:tabular-nums;font-size:12px}.bs-idea{color:#5a4300;margin-top:4px;font-size:13.5px;line-height:1.4}.bs-idea b{margin-right:4px;font-weight:700}.bs-review{min-height:44px;padding:0 16px}.bs-middle .bs-side>.bs-mine{flex:none;display:block}.bs-middle .bs-mine dl{gap:12px 16px}.bs-middle .bs-mine dd{font-size:24px}.bs-middle .bs-side .bs-door{min-height:72px}.bs-tile-pic{background:#f4ecdd;border-radius:10px;place-items:center;width:100%;max-width:150px;height:56px;padding:4px;display:grid;overflow:hidden;box-shadow:inset 0 0 0 1.5px #e6d7b9}.bs-tile-pic svg{width:auto;max-width:100%;height:auto;max-height:48px}.bs-tile.done .bs-tile-pic{background:#eef5e1;box-shadow:inset 0 0 0 1.5px #cfe3b0}.bs-tile.here .bs-tile-pic{background:#fff5dc;box-shadow:inset 0 0 0 1.5px #f5dc9d}.bs-tile-n{width:64px;height:64px}.bs-tile-n b{font-size:28px}.bs-tile button{gap:8px}@media (width<=700px){.wb-band .qgrid.scr{grid-template-columns:minmax(0,1fr)!important}:root[data-band=upper]{--t-maths:32px;--t-work:30px;--t-box:48px}:root[data-band=middle]{--t-maths:28px;--t-work:26px;--t-box:44px}.bs-middle .bs-row{grid-template-columns:44px minmax(0,1fr);padding:12px}.bs-middle .bs-thumb{display:none}.bs-middle .bs-row>:last-child:not(:empty){grid-column:2;justify-self:start}.bs-tile-pic{display:none}.bs-tile-n{width:56px;height:56px}.bs-go-mat{min-height:96px!important}.bs .bh{padding-bottom:64px}.bs{min-height:0}}.bs-middle .bs-side{flex-direction:column;align-self:start;gap:16px;display:flex}.bs-col{flex-direction:column;gap:16px;min-width:0;display:flex}.bs-col>.bs-go{flex:auto}.bs-mine,.bs-middle .bs-side>.bs-mine{border-top:4px solid var(--sky);box-shadow:var(--b-shadow);background:#fff;border-radius:8px;flex:none;padding:24px;display:block}.bs-mine h2{font:600 14px/1.3 var(--font);color:var(--navy);margin:0}.bs-mine-m{font:500 15px/1.3 var(--font);color:var(--b-ink);font-variant-numeric:tabular-nums;margin:12px 0 8px}.bs-mine-bar{gap:4px;margin:0;padding:0;list-style:none;display:flex}.bs-mine-bar li{background:#dce6f1;border-radius:2px;flex:1 1 0;height:8px}.bs-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:16px 0 0;display:grid}.bs-stats.n2{grid-template-columns:repeat(2,minmax(0,1fr))}.bs-stats>div{border-radius:8px;flex-direction:column;justify-content:flex-start;gap:4px;min-width:0;padding:12px;display:flex}.bs-stats dd{font:600 26px/1 var(--font);color:var(--navy);font-variant-numeric:tabular-nums;margin:0}.bs-stats dt{font:400 13px/1.2 var(--font);color:var(--b-soft-ink);white-space:nowrap;text-overflow:clip;overflow:hidden}.bs-next{border-radius:var(--b-card);box-shadow:var(--b-shadow);background:#fff;padding:16px 16px 8px}.bs-next h2{font:600 14px/1.3 var(--font);color:var(--navy);margin:0 0 4px;padding:0 4px}.bs-next ul{margin:0;padding:0;list-style:none}.bs-next li+li{border-top:1px solid #edf2f8}.bs-next-row{text-align:left;width:100%;height:56px;color:var(--b-ink);border-radius:6px;align-items:center;gap:12px;padding:0 4px;display:flex}.bs-next-row:not(:disabled):hover{background:#f5f9fd}.bs-next-row.locked{cursor:default;color:#8a9ab0}.bs-next-ic{border-radius:8px;flex:none;place-items:center;width:32px;height:32px;display:grid}.bs-next-ic.sun{background:var(--sun)}.bs-next-ic.sun svg path{fill:var(--b-ink)}.bs-next-row.locked .bs-next-ic{opacity:.45}.bs-next-t{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.bs-next-t b{font:600 15px/1.2 var(--font);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.bs-next-t small{font:400 13px/1.2 var(--font);color:var(--b-soft-ink);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.bs-next-row.locked small{color:#8a9ab0}.bs-next-go{color:#94a5bb;flex:none;place-items:center;width:24px;display:grid}:root[data-band=upper] .bs-next{border-radius:22px;padding:16px 16px 8px}:root[data-band=upper] .bs-next-ic{border-radius:10px}.bs-doors,.bs-moredoor{display:none!important}:root:is([data-band=upper],[data-band=middle]){--x-green:#a2c466;--x-coral:#ef7b7b;--x-yellow:#fec44b;--x-indigo:#3c53c6;--x-sky:#5baee1;--x-orchid:#db73e0;--x-green-t:#eef5e1;--x-yellow-t:#fff4d6;--x-indigo-t:#e8ebf8;--x-coral-t:#fdecec}.bs-next-ic.navy{background:var(--x-green)}.bs-next-ic.navy svg path{fill:#2f4a10}.bs-next-ic.sky{background:var(--x-indigo)}.bs-stats .ice{background:var(--x-yellow-t)}.bs-stats .sun{background:var(--x-green-t)}.bs-stats .leaf{background:var(--x-indigo-t)}.bs-stats .leaf dd{color:var(--x-indigo)}.bs-mine-bar li.done{background:var(--x-green)}.bs-mine-bar li.now{background:var(--x-yellow)}.bs-mine{border-top-color:var(--x-green)}.wk-g.mark,.wk-chip.mark,:root[data-band=middle] .wk-g.mark,:root[data-band=middle] .wk-chip.mark{background:var(--x-green-t);color:#3e5a12;box-shadow:0 0 0 3px var(--x-green);border-bottom:0}.wk-g.op{background:var(--x-indigo-t);color:var(--x-indigo);border-radius:10px;padding:0 .25em;font-size:.8em}:root[data-band=middle] .wk-g.op{border-radius:4px}.wk-gap{vertical-align:middle;border:3px dashed var(--x-yellow);background:var(--x-yellow-t);border-radius:8px;width:1.3em;height:1.1em;margin:0 .1em;display:inline-block}.wb-band .qgrid.scr .qcell{border-top:4px solid var(--sky)}.wb-band .qgrid.scr .qcell:nth-child(4n+2){border-top-color:var(--x-green)}.wb-band .qgrid.scr .qcell:nth-child(4n+3){border-top-color:var(--x-coral)}.wb-band .qgrid.scr .qcell:nth-child(4n+4){border-top-color:var(--x-indigo)}.wb-band .qcell .abox.sel{background:var(--x-yellow-t);border-color:#e3a92e;box-shadow:0 0 0 4px #fec44b59}.wb-band .qcell.ok{background:var(--x-green-t)}.wb-band .qcell.not{background:#fff8e6}.bp{border-top-color:var(--x-green)!important}:root[data-band=upper] .bstep-n{background:var(--x-indigo)}.bsteps.n2 .bstep.current{box-shadow:inset 0 0 0 2px var(--x-yellow);background:#fffcf2}.bs-mine dl.bs-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-top:16px}.bs-mine dl.bs-stats.n2{grid-template-columns:repeat(2,minmax(0,1fr))}.bs-mine dl.bs-stats>div{flex-direction:column;padding:12px 8px 10px 10px}.bs-mine dl.bs-stats dd{font-size:26px}.bs-mine dl.bs-stats dt{font-size:12px}.bs-middle .bs-grid{grid-template-columns:minmax(0,1fr) 400px}@media (width<=1200px){.bs-middle .bs-grid{grid-template-columns:minmax(0,1fr) 380px}}.bs-grid{align-items:start}.bs>.bs-grid{flex:none}.wb-band .qcell .qrow,.wb-band .qcell .qrow.qitem{flex-direction:row;align-items:flex-start}.wb-band .qcell .qrow .qn,.wb-band .qcell .qrow.qitem .qn{background:var(--navy);color:#fff;border-radius:10px;flex:none;place-items:center;width:auto;min-width:32px;height:32px;margin:4px 0 0;padding:0 8px;display:inline-grid;font:700 15px/1 var(--font)!important}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right>*{order:0!important}.wb-band .qgrid.scr.n3 .qcell,.wb-band .qgrid.scr.n4 .qcell{gap:4px;padding:8px 12px 10px}.wb-band .qgrid.scr.n3 .abox,.wb-band .qgrid.scr.n4 .abox{width:44px;height:44px;font-size:24px}.wb-band .qgrid.scr.n3 .item-prompt,.wb-band .qgrid.scr.n4 .item-prompt{line-height:1.15;font-size:calc(var(--t-maths) * .7)!important}.wb-band .qfb.todo{color:var(--b-soft-ink)}.wb-band .qcell .abox.no{color:#8a6200;background:#fff;border-color:#e3a92e}.wb-band .qcell .abox.ok{color:#3e5a12;border-color:#7fa349}.bs-lessons .bs-next{box-shadow:none;background:0 0;border-top:1px solid #edf2f8;border-radius:0;padding:12px 0 0}.bs-lessons .bs-next h2{display:none}.bs-lessons .bs-next ul{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.bs-lessons .bs-next li+li{border-top:0}.bs-lessons .bs-next-row{background:#f7fafd;border-radius:14px;height:64px;padding:0 12px;box-shadow:inset 0 0 0 1px #e4edf6}@media (width<=1300px){.bs-idea{display:none}}@media (width<=700px){.bs-lessons .bs-next ul{grid-template-columns:minmax(0,1fr)}}.bs{justify-content:flex-start}.bs-lessons .bs-next-t small{white-space:normal;-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box}@media (width<=1200px){.bs-middle .bs-list{padding:16px 24px}.bs-middle .bs-list ol{gap:6px}.bs-middle .bs-row,.bs-middle .bs-row.current{grid-template-columns:44px 76px minmax(0,1fr) auto;gap:12px;padding:8px 12px}.bs-middle .bs-num{width:44px;height:44px}.bs-middle .bs-thumb{width:76px;height:50px}.bs-middle .bs-thumb svg{max-width:68px;max-height:42px}}@media (width<=900px){.bs-middle .bs-grid,.bs-upper .bs-grid{grid-template-columns:minmax(0,1fr)}.bs-mine dl.bs-stats>div{padding:10px 8px}}@media (width<=700px){.bs-middle .bs-row,.bs-middle .bs-row.current{grid-template-columns:44px minmax(0,1fr);gap:8px 12px;padding:12px}.bs-middle .bs-row>.bs-num{grid-row:1/span 2;align-self:start}.bs-middle .bs-row>.bs-row-t{grid-column:2}.bs-middle .bs-row>:last-child:not(.bs-row-t){grid-column:2;justify-self:start}}:root:is([data-band=upper],[data-band=middle]) .wk-g.mark,:root:is([data-band=upper],[data-band=middle]) .wk-chip.mark{background:var(--x-green-t);color:#3e5a12;box-shadow:0 0 0 2px var(--x-green);border-bottom:0;border-radius:10px;align-items:center;padding:.06em .28em;line-height:1.15;display:inline-flex}:root[data-band=middle] .wk-g.mark,:root[data-band=middle] .wk-chip.mark{border-radius:6px}.wk-g.note{background:var(--x-indigo-t);color:var(--x-indigo);white-space:nowrap;border-radius:10px;padding:.1em .4em;font-size:.5em;font-weight:600;font-family:var(--book-font)!important}:root[data-band=middle] .wk-g.note{border-radius:4px}.wk-g.long{white-space:normal;max-width:100%}.wk-g.note.long{white-space:nowrap}.wk-line{max-width:100%}.wb-band .qgrid.scr{align-items:stretch}.wb-band .qcell{text-align:center;flex-direction:column;align-items:center;gap:8px;padding:16px 16px 14px;display:flex;position:relative}.wb-band .qcell>.qone{flex:auto;justify-content:center;align-items:center;width:100%;display:flex}.wb-band .qcell .qrow,.wb-band .qcell .qrow.qitem{justify-content:center;align-items:center;width:100%;position:static}.wb-band .qcell{--qn-left:12px;--qn-top:12px;--qn-h:32px;--qn-w:72px}.wb-band .qcell .qrow .qn,.wb-band .qcell .qrow.qitem .qn{left:var(--qn-left);top:var(--qn-top);height:var(--qn-h);margin:0;position:absolute}.wb-band .qcell .qrow .qcard-row,.wb-band .qcell .qrow .item{text-align:center;flex:0 auto;justify-content:center;align-items:center}.wb-band .qcell .item-prompt,.wb-band .qcell .eq{text-align:center;justify-content:center}.wb-band .qcell .item-prompt .item-line,.wb-band .qcell .item-model{justify-content:center}.wb-band .qcell>.q-pic{align-self:center;margin-top:28px}.wb-band .qcell:not(:has(>.q-pic))>.qone{padding-top:24px}.wb-band .qcell .qfb{text-align:center;max-width:36ch;margin:0 auto}.wb-band .qcell .qhead-text{text-align:center;align-self:stretch;padding:0 40px}:root:is([data-band=upper],[data-band=middle]) .wb-band .wb-right{gap:12px}.wb-band .bp{gap:4px;padding:12px 16px}.wb-band .bp-note{display:none}.wb-band .bp-row a{min-height:40px;font-size:14px!important}:root:is([data-band=upper],[data-band=middle]) .wb-band .guide-start{gap:10px;padding:10px 12px}:root:is([data-band=upper],[data-band=middle]) .wb-band .guide-start b{font-size:15px}:root:is([data-band=upper],[data-band=middle]) .wb-band .guide-start small{font-size:12.5px}:root:is([data-band=upper],[data-band=middle]) .wb-band .guide-start .guide-face{width:40px;height:40px}:root:is([data-band=upper],[data-band=middle]) .wb-band .learn-wait{padding:10px 12px;font-size:14px}:root:is([data-band=upper],[data-band=middle]) .wb-band .learn-grownup{min-height:44px;margin-top:-4px}:root:is([data-band=upper],[data-band=middle]) .wb-band .learn-go{min-height:56px;font-size:18px}:root:is([data-band=upper],[data-band=middle]) .wb-band .pad{gap:6px;padding:10px}:root:is([data-band=upper],[data-band=middle]) .wb-band .key{height:46px;font-size:22px}:root:is([data-band=upper],[data-band=middle]) .wb-band .reset-btn{min-height:44px;padding:8px 16px}.wb-band .bv{padding:10px 14px}.bs-upper>.bs-grid{flex:auto}.bs-upper .bs-grid{align-items:stretch}.bs-upper .bs-col{flex-direction:column;display:flex}.bs-upper .bs-col>.bs-go,.bs-upper .bs-go .bs-go-mat{flex:auto}.bs-upper .bs-lessons{flex-direction:column;display:flex}.bs-upper .bs-tiles{flex:auto;align-content:center}.wb-band .qcell .qrow{animation:none!important;transform:translate(0,0)!important}.wb-band .qcell>.q-pic{margin-top:32px}:root[data-band=upper]{--t-work:26px}:root[data-band=middle]{--t-work:23px}@media (width<=1100px){:root[data-band=upper]{--t-work:24px}:root[data-band=middle]{--t-work:21px}}.bstep-maths{gap:6px;max-width:100%;font-weight:600!important;line-height:1.3!important}:root[data-band=middle] .bstep-maths{font-weight:600!important}.bstep-maths .wk-line{flex-wrap:nowrap;gap:0 .28em}.bstep-maths .wk-line.then{padding-left:.1em}.bstep-maths .wk-sep{font-weight:500}.bstep-maths .wk-g.mark,.bstep-maths .wk-chip.mark{box-shadow:0 0 0 2px var(--x-green);border-radius:10px;padding:0 .2em}:root[data-band=middle] .bstep-maths .wk-g.mark{border-radius:5px}.bstep-maths .wk-chips{flex-wrap:wrap}.bremember{flex-direction:column;justify-content:center;gap:24px;max-width:720px;min-height:100%;margin:0 auto;padding:8px 0;display:flex}.bremember .takeaway{margin:0}.bstep-say.listen-only.quiet{flex:none}.bremember-h{font:700 15px/1 var(--font);letter-spacing:.06em;text-transform:uppercase;color:#5c7a2a;margin:0 0 -12px}.bremember .takeaway{background:var(--x-green-t,#eef5e2);box-shadow:inset 0 0 0 2px var(--x-green,#a2c466);text-align:left;font:600 19px/1.45 var(--book-font);color:var(--navy);border:0;border-radius:18px;padding:24px 28px}:root[data-band=middle] .bremember .takeaway{font:600 20px/1.45 var(--font);border-radius:8px}.wb-band .bstep.no-mat{text-align:center;justify-content:center;align-items:center;gap:14px}.wb-band .bstep.no-mat>.bstep-maths{text-align:center!important;align-items:center!important}.wb-band .bstep.no-mat .wk-line{justify-content:center}.wb-band .bstep.no-mat .wk-line.then{padding-left:0}.wb-band .bstep.no-mat>.bstep-cap{justify-content:center;align-items:center;gap:12px}.wb-band .bstep.no-mat .bstep-say{text-align:left;flex:0 auto;padding-top:0}.wb-band .bstep.no-mat .bstep-say.quiet{flex:none}.wb-band .bstep.no-mat .bstep-n{border-radius:12px;width:40px;height:40px}.bstep-maths.flow{flex-wrap:wrap;justify-content:center;gap:10px 36px;flex-direction:row!important;align-items:baseline!important}.bstep:not(.no-mat) .bstep-maths.flow{justify-content:flex-start}.bstep-maths .wk-g{white-space:nowrap;display:inline-block}.bstep-maths .wk-g.mark,.bstep-maths .wk-g.op{display:inline-block}.bstep-maths.words{color:var(--navy);font-size:20px!important;font-weight:600!important}.bstep-maths.words .wk-line{white-space:normal;flex-wrap:wrap}.bstep-maths.words .wk-g{white-space:normal}.wb-band .bstep{gap:16px}.wb-band .bstep.stack{flex-direction:column;align-items:center;gap:12px;display:flex!important}.wb-band .bstep.stack>.bstep-maths{width:100%;text-align:center!important;align-items:center!important}.wb-band .bstep.stack .wk-line{justify-content:center}.wb-band .bstep.stack .bstep-mat svg{max-height:24vh}.wb-band .bstep.stack>.bstep-cap{align-self:stretch}.bstep-maths.wrap .wk-line{flex-wrap:wrap;row-gap:4px}:root:is([data-band=upper],[data-band=middle]) .wb svg text,:root:is([data-band=upper],[data-band=middle]) .wb svg tspan{font-size-adjust:none}@media (width>=1101px){.wb-band .bstep:not(.stack) .bstep-mat svg{max-height:32vh}}.wb-band .bsteps.n1 .bstep.no-mat>.bstep-maths{background:#f3f8fd;border-radius:18px;width:auto;min-width:min(100%,360px);box-shadow:inset 0 0 0 1.5px #dce8f5;padding:24px 40px!important}:root[data-band=middle] .wb-band .bsteps.n1 .bstep.no-mat>.bstep-maths{border-radius:8px}.learn-key{padding:.04em .16em .08em}.bstep-maths .wk-sep:has(.m-arrow){color:var(--b-ink);align-items:center;display:inline-flex}.bstep-maths .wk-sep .m-arrow{margin:0 .04em}.wk-chain{grid-template-columns:auto auto;justify-content:start;align-items:center;gap:.18em .3em;display:inline-grid}.wk-chain-sep{justify-self:end;align-items:center;display:inline-flex}.wk-chain>.wk-line{justify-content:flex-start!important}.wb-band .bstep.no-mat .bstep-maths:has(.wk-chain){align-items:center!important}@media (width>=1101px) and (height<=950px){.wb-band .bstep:not(.stack) .bstep-mat svg{max-height:30vh}}.bstep-mat .mat-row>div{flex:1 1 0;min-width:0}.bstep-mat .mat-row{width:100%}.bstep-mat .mat-row>div,.bstep-mat .mat-row>div>*{min-width:0;max-width:100%}.bstep-mat .mat-row>div svg{max-width:100%;max-height:26vh;width:100%!important;height:auto!important}.wb-band .bstep-mat>.imat{justify-content:center;width:100%;display:flex}.wb-band .bstep-mat>.imat>svg{min-width:min(100%,540px)}:root[data-band=upper]{--t-prompt:18px;--t-maths:28px;--t-body:17px;--t-work:28px;--t-title:22px;--t-box:44px;--t-digit:22px}:root[data-band=middle]{--t-prompt:17px;--t-maths:24px;--t-body:15.5px;--t-work:24px;--t-title:20px;--t-box:44px;--t-digit:20px}.bh-title,.bs .bh-title,.bh.bh-page .bh-title{font-size:var(--t-title);line-height:1.25}:root:is([data-band=upper],[data-band=middle]) .wb-band .sheet-ins{font-size:var(--t-prompt)}:root:is([data-band=upper],[data-band=middle]) .wb-band .bstep-say{font-size:var(--t-body)}.bstep-maths{font-weight:600!important;font-size:var(--t-work)!important}:root[data-band=upper] .bstep-maths{font:600 var(--t-work)/1.3 var(--book-font)!important}.wk-chip{padding:2px 10px;font-size:.8em}.wk-g.note{font-size:.62em}.wb-band .qcell .item-prompt,.wb-band .qcell .eq,.wb-band .qgrid.scr.n3 .item-prompt,.wb-band .qgrid.scr.n4 .item-prompt{line-height:1.3;font-size:var(--t-maths)!important}.wb-band .qcell .abox,.wb-band .qgrid.scr.n3 .abox,.wb-band .qgrid.scr.n4 .abox{width:var(--t-box);height:var(--t-box);min-width:44px;min-height:44px;font-size:var(--t-digit);border-radius:10px}:root[data-band=middle] .wb-band .qcell .abox{border-radius:6px}.wb-band .qcell .item-box .abox{width:auto;min-width:44px;padding:0 8px}.wb-band .qcell .q-pic svg{max-height:20vh}.wb-band .bstep-mat svg{max-height:34vh}.bs-tile-t,.bs-middle .bs-row-open{font-size:16px!important}:root[data-band=middle] .bs-middle .bs-row-open{font-size:15.5px!important}.bs-go-t b{font-size:18px}@media (width<=1200px){.bh.bh-page .bh-title{font-size:calc(var(--t-title) - 2px)}}@media (width<=700px){:root[data-band=upper]{--t-maths:26px;--t-work:24px}:root[data-band=middle]{--t-maths:22px;--t-work:22px}}:root[data-band=upper]{--t-maths:26px}:root[data-band=middle]{--t-maths:23px}.wb-band .qcell .item-prompt,.wb-band .qcell .eq,.wb-band .qgrid.scr.n3 .item-prompt,.wb-band .qgrid.scr.n4 .item-prompt{font-size:var(--t-maths)!important}.wb-band .qcell .item-prompt:has(.mfrac){font-size:var(--t-maths)!important}.wb-band .qcell .mfrac{font-size:max(22px,.92em)}:root[data-band=middle] .wb-band .qcell .mfrac{font-size:max(22px,.96em)}.bstep-maths .mfrac{font-size:max(22px,.82em)}.wb-band .qgrid.scr{gap:10px}.wb-band .qgrid.scr.n3 .qcell,.wb-band .qgrid.scr.n4 .qcell{padding:10px 12px 8px}.wb-band .qgrid.scr.n3 .qcell>.qone,.wb-band .qgrid.scr.n4 .qcell>.qone{padding-top:0}.wb-band .qgrid.scr.n3 .mfrac-bar,.wb-band .qgrid.scr.n4 .mfrac-bar{margin:1px 0}@media (width<=700px){:root[data-band=upper]{--t-maths:24px}:root[data-band=middle]{--t-maths:22px}}.wb-band .qgrid.scr .qcell:has(.qn)>.q-pic{margin-top:0}.wb-band .qgrid.scr .qcell:has(.qn)>.qone{padding-top:0}.wb-band .qgrid.scr .qcell:has(.qn){padding-top:calc(var(--qn-top) + var(--qn-h) + 6px)}@media (width>=700px){.wb-band .qgrid.scr.tall:is(.n3,.n4) .qcell:has(.qn)>:is(.qhead-text,.qone){padding-inline:calc(var(--qn-left) + var(--qn-w) + 8px)}.wb-band .qgrid.scr.tall:is(.n3,.n4) .qcell:has(.qn)>.q-pic{margin-inline:calc(var(--qn-left) + var(--qn-w) + 8px)}.wb-band .qgrid.scr.tall:is(.n3,.n4) .qcell:has(.qn){padding-top:10px}}.wb-band .qcell.sameprompt .item-prompt{display:none}.nl{--nl-navy:#134da0;--nl-blue:#2698dd;--nl-sky:#5baee1;--nl-wash:#f3faff;--nl-sun:#fec44b;--nl-sun-d:#e0a62c;--nl-coral:#ef7b7b;--nl-green:#a2c466;--nl-green-l:#e7f1d8;--nl-line:#ddebf7;--nl-ink:#14233f;--nl-mute:#5c6880;color:var(--nl-navy);font-family:Teachers,Alexandria,system-ui,sans-serif}.nl-screen{background:var(--nl-wash);box-sizing:border-box;flex-direction:column;height:100dvh;display:flex;position:relative;overflow:clip}.nl-screen>.demo-bar{z-index:3;flex-shrink:0;position:relative}.nl-navy{background:var(--nl-navy)}.nl button{font-family:inherit}.nl-grow{flex:1}.nl-mark{pointer-events:none;color:var(--nl-navy);z-index:0;line-height:0;position:absolute}.nl-mark svg{width:100%;height:auto;display:block}.nl-mark svg *{fill:currentColor}.nl-mark-a{opacity:.05;width:200px;bottom:24px;left:24px}.nl-mark-b{opacity:.04;width:150px;top:124px;right:28px}.nl-mark{transform:none}.nl-bar{z-index:2;box-sizing:border-box;height:92px;box-shadow:0 1px 0 var(--nl-line);background:#fff;flex-shrink:0;align-items:center;gap:18px;padding:0 32px;display:flex;position:relative}.nl-logo{flex-shrink:0;align-items:center;display:flex}.nl-logo img{width:auto;height:44px}.nl-nav{gap:4px;margin-left:10px;display:flex}.nl-nav a{height:58px;color:var(--nl-navy);white-space:nowrap;border-radius:18px;align-items:center;gap:10px;padding:0 16px 0 10px;font-size:19px;font-weight:700;display:flex}.nl-nav a i{border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;display:flex}.nl-nav a.on{background:var(--nl-navy);color:#fff}.nl-nav a:not(.on):hover{background:var(--nl-wash)}.nl-fun{background:var(--nl-sun);height:58px;box-shadow:0 5px 0 var(--nl-sun-d);color:var(--nl-navy);white-space:nowrap;border-radius:18px;flex-shrink:0;align-items:center;gap:6px;padding:0 18px 0 6px;font-size:19px;font-weight:800;display:flex}.nl-fun img{width:auto;height:54px;margin-top:-8px}.nl-chip-wrap{position:relative}.nl-chip{border:2px solid var(--nl-line);height:58px;color:var(--nl-navy);cursor:pointer;background:#fff;border-radius:18px;flex-shrink:0;align-items:center;gap:10px;padding:0 14px 0 8px;font-size:19px;font-weight:700;display:flex}.nl-ini{color:#fff;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;font-size:20px;font-weight:800;display:flex}.nl-ini.sm{border-radius:10px;width:34px;height:34px;font-size:17px}.nl-face{flex-shrink:0;place-items:center;width:42px;height:42px;line-height:0;display:grid}.nl-face svg,.nl-face img{border-radius:50%;width:42px;height:42px}.nl-menu{z-index:20;min-width:220px;box-shadow:0 0 0 2px var(--nl-line), 0 18px 40px -18px #134da073;background:#fff;border-radius:20px;flex-direction:column;gap:2px;padding:8px;display:flex;position:absolute;top:66px;right:0}.nl-menu button{min-height:52px;color:var(--nl-navy);text-align:left;border-radius:14px;align-items:center;gap:12px;padding:0 12px;font-size:19px;font-weight:700;display:flex}.nl-menu button:hover,.nl-menu button[aria-current]{background:var(--nl-wash)}.nl-menu .nl-menu-gu{border-top:2px solid var(--nl-wash);margin-top:4px;padding-top:4px}@media (width<=1120px){.nl-bar{gap:12px;padding:0 20px}.nl-nav a{gap:8px;padding:0 12px 0 8px;font-size:18px}.nl-fun span,.nl-chip-name{display:none}.nl-fun{padding:0 8px 0 6px}}@media (width<=860px){.nl-nav a span{display:none}.nl-nav a{padding:0 10px}}.nl-back{background:var(--nl-navy);border-radius:18px;flex-shrink:0;justify-content:center;align-items:center;width:58px;height:58px;display:flex}.nl-tile{flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.nl-tile b{font-weight:800;line-height:1}.nl-where{flex-direction:column;min-width:0;display:flex}.nl-where p{color:var(--nl-mute);white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:17px;font-weight:700;overflow:hidden}.nl-where h1{white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:30px;font-weight:800;line-height:1.05;overflow:hidden}.nl-mat-btn{background:var(--nl-green-l);height:58px;color:var(--nl-navy);border-radius:18px;flex-shrink:0;align-items:center;gap:10px;padding:0 18px 0 12px;font-size:19px;font-weight:700;display:flex}.nl-mat-ico{background:var(--nl-green);border-radius:11px;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.nl-speak{background:var(--nl-navy);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex;box-shadow:0 5px #0c3470}.nl-speak:active{transform:translateY(3px);box-shadow:0 2px #0c3470}.nl-main{z-index:1;box-sizing:border-box;flex:1;min-height:0;position:relative}.nl-home{flex-direction:column;align-items:center;padding-top:clamp(16px,4vh,34px);display:flex}.nl-hi{margin:0;font-size:clamp(48px,7.5vh,62px);font-weight:800;line-height:1}.nl-cont{box-sizing:border-box;background:var(--nl-sun);width:min(720px,100% - 64px);height:116px;box-shadow:0 8px 0 var(--nl-sun-d);text-align:left;border-radius:30px;flex-shrink:0;align-items:center;gap:20px;margin-top:clamp(14px,3vh,26px);padding:0 16px 0 18px;display:flex}.nl-cont:active{box-shadow:0 4px 0 var(--nl-sun-d);transform:translateY(4px)}.nl-cont-t{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.nl-cont-t small{color:#5a430b;white-space:nowrap;text-overflow:ellipsis;font-size:18px;font-weight:700;overflow:hidden}.nl-cont-t b{color:var(--nl-ink);white-space:nowrap;text-overflow:ellipsis;font-size:32px;font-weight:800;line-height:1.1;overflow:hidden}.nl-cont-go{background:var(--nl-navy);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:84px;height:84px;display:flex}.nl-doors{gap:clamp(80px,12vw,150px);margin-top:clamp(28px,7vh,58px);display:flex}.nl-door{flex-direction:column;align-items:center;gap:8px;display:flex}.nl-door:disabled{opacity:.6;cursor:default}.nl-disc{width:clamp(190px,29vh,236px);height:clamp(190px,29vh,236px);box-shadow:0 0 0 12px var(--nl-green), 0 16px 0 12px #8aae52;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;gap:2px;margin-bottom:28px;display:flex}.nl-door:active .nl-disc{box-shadow:0 0 0 12px var(--nl-green), 0 10px 0 12px #8aae52;transform:translateY(5px)}.nl-disc-mark{color:#fff;font-size:clamp(66px,10vh,84px);font-weight:800;line-height:.9}.nl-disc-name{color:#fff;font-size:clamp(30px,4.4vh,36px);font-weight:800}.nl-door-note{font-size:20px;font-weight:700}.nl-meter{background:var(--nl-line);border-radius:5px;width:180px;height:10px;display:block;overflow:hidden}.nl-meter i{background:var(--nl-navy);border-radius:5px;height:100%;display:block}.nl-meter.wide{border-radius:6px;width:220px;height:12px}.nl-empty{background:var(--nl-navy);color:#fff;text-align:center;border-radius:24px;max-width:620px;margin-top:40px;padding:28px 32px}.nl-empty h2{font-size:32px;font-weight:800}.nl-empty p{margin-top:8px;font-size:21px;font-weight:600}.nl-subbar{z-index:2;flex-shrink:0;align-items:center;gap:18px;height:96px;padding:0 32px;display:flex;position:relative}.nl-path-title{white-space:nowrap;text-overflow:ellipsis;min-width:0;margin:0;font-size:40px;font-weight:800;overflow:hidden}.nl-levels{position:relative}.nl-level-btn{background:var(--nl-sun);height:52px;color:var(--nl-navy);white-space:nowrap;border-radius:16px;align-items:center;gap:8px;padding:0 14px 0 18px;font-size:22px;font-weight:800;display:flex}.nl-level-tag{background:var(--nl-sun);border-radius:16px;align-items:center;height:52px;padding:0 18px;font-size:22px;font-weight:800;display:flex}.nl-level-menu{z-index:20;width:260px;max-height:calc(100dvh - 220px);box-shadow:0 0 0 2px var(--nl-line), 0 18px 40px -18px #134da073;background:#fff;border-radius:20px;flex-direction:column;gap:2px;padding:8px;display:flex;position:absolute;top:60px;left:0;overflow:auto}.nl-level-menu button{min-height:52px;color:var(--nl-navy);border-radius:14px;justify-content:space-between;align-items:center;gap:12px;padding:0 14px;display:flex}.nl-level-menu button b{font-size:20px;font-weight:800}.nl-level-menu button span{color:var(--nl-mute);font-size:16px;font-weight:700}.nl-level-menu button:hover{background:var(--nl-wash)}.nl-level-menu button.on{background:var(--nl-sun)}.nl-level-menu button.on span{color:#5a430b}.nl-count{white-space:nowrap;font-size:20px;font-weight:700}.nl-path{overflow:clip}.nl-road{pointer-events:none;position:absolute;top:0;left:0}.nl-stops{margin:0;padding:0;list-style:none;position:absolute;inset:0}.nl-stop{text-align:center;flex-direction:column;align-items:center;gap:8px;display:flex;position:absolute;transform:translate(-50%)}.nl-stop-tile{flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;gap:2px;transition:transform .12s;display:flex;position:relative}.nl-stop-tile b{font-weight:800;line-height:1}.nl-stop-tile:not(:disabled):active{transform:translateY(3px)}.nl-stop-tile:disabled{cursor:default}.nl-stop.here .nl-stop-tile{box-shadow:0 8px 0 var(--nl-sun-d)}.nl-stop.soon .nl-stop-tile{opacity:.55}.nl-stop-t{font-size:var(--lbl,19px);-webkit-line-clamp:2;-webkit-box-orient:vertical;max-width:100%;margin:0;font-weight:700;line-height:1.15;display:-webkit-box;overflow:hidden}.nl-stop:not(.done):not(.here) .nl-stop-t{color:var(--nl-mute)}.nl-stop.here .nl-stop-t{font-size:calc(var(--lbl,19px) + 2px);color:var(--nl-navy);font-weight:800}.nl-stop-t{-webkit-line-clamp:3;text-wrap:balance}.nl-stop-t small{font-size:.8em}.nl-ok{background:var(--nl-green);width:34px;height:34px;box-shadow:0 0 0 4px var(--nl-wash);border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:-8px;right:-8px}.nl-buddy{width:34px;color:var(--nl-navy);margin-bottom:4px;line-height:0;position:absolute;bottom:100%}.nl-buddy svg{width:100%;height:auto}.nl-go{background:var(--nl-navy);color:#fff;white-space:nowrap;border-radius:20px;align-items:center;gap:12px;height:62px;padding:0 28px 0 22px;font-size:24px;font-weight:800;display:flex;box-shadow:0 6px #0c3470}.nl-go.sm{border-radius:16px;height:52px;padding:0 20px 0 16px;font-size:20px}.nl-go:active{transform:translateY(3px);box-shadow:0 3px #0c3470}.nl-start{gap:28px;padding:30px 32px 32px;display:flex}.nl-video{background:var(--nl-navy);border-radius:32px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:34px;min-width:0;display:flex;position:relative;overflow:hidden}.nl-video-pic{background:#f3e6cf;border-radius:24px;width:min(340px,70%);height:190px;display:block;position:relative;overflow:hidden}.nl-video-pic .poster-fitbox{display:block;position:absolute;inset:14px}.nl-video-pic .poster-fit .imat svg{max-width:none}.nl-play{background:var(--nl-sun);width:130px;height:130px;box-shadow:0 8px 0 var(--nl-sun-d);border-radius:50%;justify-content:center;align-items:center;display:flex}.nl-play:active{box-shadow:0 4px 0 var(--nl-sun-d);transform:translateY(4px)}.nl-video-note{color:#fff;margin:0;font-size:20px;font-weight:700;position:absolute;bottom:24px;left:30px}.nl-steps{flex-direction:column;flex-shrink:0;gap:14px;width:360px;display:flex}.nl-steps ol{flex-direction:column;gap:14px;margin:0;padding:0;list-style:none;display:flex}.nl-step{width:100%;height:96px;box-shadow:0 0 0 3px var(--nl-line);text-align:left;color:var(--nl-navy);background:#fff;border-radius:24px;align-items:center;gap:16px;padding:0 18px;display:flex}.nl-step b{background:#e4eefb;border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;width:56px;height:56px;font-size:28px;font-weight:800;display:flex}.nl-step>span{font-size:26px;font-weight:800}.nl-step small{color:var(--nl-mute);font-size:16px;font-weight:600;display:block}.nl-step.now{background:var(--nl-sun);box-shadow:0 6px 0 var(--nl-sun-d)}.nl-step.now b{background:var(--nl-navy);color:#fff}.nl-step.now small{color:#5a430b}.nl-step.done b{background:var(--nl-green)}.nl-big-go{background:var(--nl-navy);color:#fff;border-radius:24px;flex-shrink:0;justify-content:center;align-items:center;gap:12px;height:84px;font-size:28px;font-weight:800;display:flex;box-shadow:0 7px #0c3470}.nl-big-go:active{transform:translateY(4px);box-shadow:0 3px #0c3470}@media (width<=1100px){.nl-steps{width:320px}.nl-step>span{font-size:24px}}.nl-prog{flex-direction:column;align-items:flex-end;gap:8px;display:flex}.nl-prog-n{white-space:nowrap;font-size:17px;font-weight:700}.nl-dots{flex-wrap:nowrap;gap:6px;max-width:420px;display:flex}.nl-dot{background:var(--nl-line);border-radius:5px;flex-shrink:1;width:26px;min-width:8px;height:10px;position:relative}.nl-dot:after{content:"";position:absolute;inset:-14px -2px}.nl-dot.filled{background:var(--nl-sky)}.nl-dot.ok{background:var(--nl-green)}.nl-dot.no{background:var(--nl-coral)}.nl-dot.on{height:16px}.nl-dot.on:not(.ok):not(.no):not(.filled){background:#9dbbdb}.nl-dots{align-items:center;height:16px}.nl-practice{flex-direction:column;gap:16px;padding:18px 32px 22px;display:flex}.nl-ask{flex-shrink:0;align-items:center;gap:16px;min-height:64px;display:flex}.nl-ask h2{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:clamp(28px,4.6vh,40px);font-weight:800;line-height:1.12;display:-webkit-box;overflow:hidden}.nl-work{flex:1;gap:22px;min-height:0;display:flex}.nl-grid{flex:1;grid-auto-rows:minmax(0,1fr);gap:14px;min-width:0;margin:0;padding:0;list-style:none;display:grid}.nl-cell{min-width:0;min-height:0;box-shadow:0 0 0 3px var(--nl-line);box-sizing:border-box;background:#fff;border-radius:24px;flex-direction:column;padding:10px;display:flex;position:relative}.nl-cell.ok{box-shadow:0 0 0 4px var(--nl-green)}.nl-cell.not{box-shadow:0 0 0 4px var(--nl-sun)}.nl-cell-say{flex-shrink:0;align-items:flex-start;height:44px;display:flex}.nl-cell-say .nl-speak{box-shadow:0 3px #0c3470}.nl-hideprompt .nl-cell .item-prompt{display:none}.nl-cell .item-choices{gap:8px}.nl-lv0 .nl-cell .yn{border-radius:22px;padding:8px 14px;font-size:34px;min-width:140px!important;min-height:140px!important}.nl-lv1 .nl-cell .yn{border-radius:18px;padding:8px 14px;font-size:26px;min-width:110px!important;min-height:110px!important}.nl-lv0 .nl-cell .yn.ch-drawn .imat{zoom:1.35}.nl-lv1 .nl-cell .yn.ch-drawn .imat{zoom:1.15}.nl-fit{flex:1;min-height:0;position:relative;overflow:clip}.nl-fit-in{transform-origin:0 0;position:absolute;top:0;left:0}.nl-fb{border-radius:16px;flex-shrink:0;align-items:center;gap:10px;margin:6px 0 0;padding:8px 12px;font-size:19px;font-weight:700;line-height:1.2;display:flex}.nl-fb.ok{background:var(--nl-green-l);color:var(--nl-ink)}.nl-fb.not,.nl-fb.todo{color:var(--nl-ink);background:#fff4d6}.nl-fb.not span{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.nl-cell .qgrid.nl-qone{margin:0;padding:0;list-style:none;display:block}.nl-cell .qrow{display:flex}.nl-cell .qrow .qn,.nl-cell .qrow.qitem .qn{display:none!important}.nl-grid:not(.one) .nl-cell .item-choices-wrap,.nl-grid:not(.one) .nl-cell .item-choices{flex-wrap:wrap;justify-content:center}.nl-cell .item{text-align:center}.nl-cell .item,.nl-cell .qcard-row{min-height:0;padding:4px;background:0 0!important;border:0!important}.nl-cell .q-mark,.nl-grid:not(.one) .nl-cell .ra-btn{display:none}.nl-grid.one .item{text-align:center;align-items:center}.nl-padcol{flex-direction:column;flex-shrink:0;gap:10px;width:300px;min-height:0;display:flex}.nl-padcol .pad{box-shadow:0 0 0 3px var(--nl-line);border:0;border-radius:24px;margin:0;padding:12px}.nl-padcol .key{border-radius:18px;height:clamp(52px,8.6vh,74px);font-family:Teachers,Alexandria,sans-serif;font-size:32px;font-weight:800}.nl-write{min-height:48px;box-shadow:0 0 0 3px var(--nl-line);color:var(--nl-navy);background:#fff;border-radius:16px;font-size:17px;font-weight:700}.nl-foot{flex-shrink:0;align-items:center;gap:16px;height:104px;display:flex}.nl-foot-say{flex:1;min-width:0}.nl-say{min-height:64px;color:var(--nl-ink);border-radius:24px;align-items:center;gap:12px;margin:0;padding:8px 20px;font-size:24px;font-weight:800;line-height:1.15;display:flex}.nl-say.ok{background:var(--nl-green)}.nl-say.help{background:#fff4d6;font-size:22px}.nl-say .ra-text{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.nl-help{width:132px;height:96px;box-shadow:0 0 0 3px var(--nl-line);color:var(--nl-navy);background:#fff;border-radius:26px;flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;gap:6px;font-size:20px;font-weight:700;display:flex}.nl-help.on{box-shadow:0 0 0 4px var(--nl-sun)}.nl-act{white-space:nowrap;border-radius:26px;flex-shrink:0;align-items:center;gap:14px;height:96px;padding:0 36px;font-size:30px;font-weight:800;display:flex}.nl-act.navy{background:var(--nl-navy);color:#fff;box-shadow:0 6px #0c3470}.nl-act.sun{background:var(--nl-sun);color:var(--nl-navy);box-shadow:0 6px 0 var(--nl-sun-d)}.nl-act:disabled{opacity:.45;cursor:not-allowed}.nl-act:not(:disabled):active{transform:translateY(3px)}.nl-foot .nl-act.navy:not(:last-child),.nl-foot .nl-act.sun:not(:last-child){padding:0 22px;font-size:22px}.nl-skip{min-height:48px;color:var(--nl-mute);box-shadow:0 0 0 2px var(--nl-line);background:#fff;border-radius:16px;flex-shrink:0;padding:0 16px;font-size:16px;font-weight:700}.nl-guide{z-index:5;width:360px;position:absolute;bottom:130px;right:32px}.nl-guide .guide-panel{box-shadow:0 0 0 3px var(--nl-line), 0 20px 40px -20px #134da080;border-radius:24px;margin:0}@media (width<=1100px){.nl-practice{gap:12px;padding:14px 22px 16px}.nl-padcol{width:260px}.nl-act{height:88px;padding:0 26px;font-size:26px}.nl-help{width:116px;height:88px}.nl-foot{height:92px}.nl-dots{max-width:300px}}.nl-mastered{flex-direction:column;justify-content:center;align-items:center;gap:26px;display:flex;overflow:hidden}.nl-mastered-arc{pointer-events:none;width:100%;height:420px;position:absolute;bottom:-210px;left:0}.nl-medal{background:var(--nl-sun);width:220px;height:220px;box-shadow:0 12px 0 var(--nl-sun-d);border-radius:56px;flex-direction:column;justify-content:center;align-items:center;display:flex;position:relative}.nl-medal b{color:var(--nl-navy);font-size:104px;font-weight:800;line-height:1}.nl-medal-ok{background:var(--nl-green);width:72px;height:72px;box-shadow:0 0 0 8px var(--nl-navy);border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:-18px;right:-18px}@media (prefers-reduced-motion:no-preference){.nl-medal{animation:.7s cubic-bezier(.2,.8,.2,1) both nl-pop}}@keyframes nl-pop{0%{opacity:0;transform:scale(.6)}70%{opacity:1;transform:scale(1.06)}to{transform:scale(1)}}.nl-mastered-t{text-align:center;flex-direction:column;align-items:center;gap:8px;display:flex;position:relative}.nl-mastered-t p{color:#bfdcf2;margin:0;font-size:26px;font-weight:700}.nl-mastered-t h1{color:#fff;align-items:center;gap:14px;margin:0;font-size:clamp(52px,8.5vh,72px);font-weight:800;line-height:1;display:flex}.nl-mastered-t h1 .ra-btn{color:var(--nl-navy);background:#fff}.nl-mastered-score{color:#fff;background:#ffffff1f;border-radius:20px;align-items:center;gap:12px;height:64px;margin:0;padding:0 24px 0 16px;font-size:26px;font-weight:800;display:flex;position:relative}.nl-mastered-go{gap:20px;margin-top:10px;display:flex;position:relative}.nl-home-btn,.nl-next-skill{height:84px;color:var(--nl-navy);border-radius:24px;align-items:center;gap:12px;padding:0 34px;font-size:28px;font-weight:800;display:flex}.nl-home-btn{background:#fff}.nl-next-skill{background:var(--nl-sun);box-shadow:0 7px 0 var(--nl-sun-d)}.nl-kind-tap .nl-cell .item-model svg,.nl-kind-tap .nl-cell .item-model img,.nl-cell .item-choice .item-model svg,.nl-cell .item-choice .item-model img{width:auto;height:auto;max-height:150px}.nl-lv1 .nl-cell .item-choice .item-model svg,.nl-lv1 .nl-cell .item-choice .item-model img{max-height:120px}.nl-framed{z-index:1;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;flex:1;min-height:0;position:relative;overflow:auto}.nl-framed .kn-page,.nl-framed main{background:0 0}.nl-learn{gap:22px;padding:18px 32px 22px;display:flex}.nl-learn-stage{min-width:0;box-shadow:0 0 0 3px var(--nl-line);background:#fff;border-radius:28px;flex:1;padding:14px;display:flex}.nl-learn-stage .sheet{box-shadow:none;background:0 0;border:0;margin:0;padding:0}.nl-learn-side{flex-direction:column;flex-shrink:0;width:300px;min-height:0;display:flex;overflow:clip}.nl-learn-side .wb-right{flex-direction:column;gap:14px;height:100%;display:flex;position:static}.nl-learn-side .score-card{border-radius:24px}.nl-learn-side .learn-go{border-radius:24px;min-height:84px;margin-top:auto;font-family:Teachers,Alexandria,sans-serif;font-size:26px;font-weight:800}@media (width<=1100px){.nl-learn{gap:16px;padding:14px 22px 16px}.nl-learn-side{width:260px}}.nl-fit.nl-fit-scroll{overscroll-behavior:contain;overflow:auto}.nl-framed>main,.nl-framed>.kn-page{box-sizing:border-box;padding-left:32px;padding-right:32px}.nl-framed h1.hi{color:var(--nl-navy);font-family:Teachers,Alexandria,sans-serif;font-weight:800}.nl-player{box-sizing:border-box;flex-direction:column;justify-content:center;align-items:center;gap:26px;padding:24px;display:flex;position:absolute;inset:0}.nl-player video{object-fit:contain;border-radius:inherit;background:#0c3470;width:100%;height:100%;position:absolute;inset:0}.nl-player video~.nl-play{z-index:1;position:relative}.nl-player-sample{flex-direction:column;align-items:center;gap:18px;width:100%;display:flex}.nl-player.on .nl-video-pic{width:min(520px,86%);height:260px}.nl-player-say{max-width:86%;color:var(--nl-navy);text-align:center;background:#fff;border-radius:20px;margin:0;padding:12px 22px;font-size:24px;font-weight:800;line-height:1.2}.nl-player .nl-video-note{z-index:1}.nl-video-retry{background:var(--nl-sun);color:var(--nl-navy);border-radius:16px;padding:10px 16px;font-size:18px;font-weight:800}.nl-video-len{color:#bfdcf2;font-size:18px;font-weight:700;position:absolute;bottom:22px;right:26px}.nl-video.playing .nl-video-note{display:none}.nl-steps.with-chapters,.nl-steps.with-chapters ol{gap:10px}.nl-steps.with-chapters .nl-step{border-radius:20px;height:74px}.nl-steps.with-chapters .nl-step b{border-radius:14px;width:46px;height:46px;font-size:24px}.nl-steps.with-chapters .nl-step>span{font-size:23px}.nl-chapters{border-left:4px solid var(--nl-line);flex-direction:column;gap:2px;margin:8px 0 2px 34px;padding:0 0 0 14px;list-style:none;display:flex}.nl-chapters button{text-align:left;width:100%;min-height:34px;color:var(--nl-navy);border-radius:12px;align-items:center;gap:10px;padding:3px 10px 3px 4px;display:flex}.nl-chapters button:hover{background:#fff}.nl-chapters button.on{background:var(--nl-navy);color:#fff}.nl-ch-n{width:24px;height:24px;color:var(--nl-navy);background:#e4eefb;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;font-size:14px;font-weight:800;display:flex}.nl-chapters button.on .nl-ch-n{background:var(--nl-sun)}.nl-ch-t{white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-size:16px;font-weight:700;overflow:hidden}.nl-chapters time{opacity:.7;font-size:13px;font-weight:700}.nl-chapters-h{margin:0;font-size:24px;font-weight:800}.nl-learn-video .nl-chapters{margin-left:0}.nl-big-go.ready{background:var(--nl-sun);color:var(--nl-navy);box-shadow:0 7px 0 var(--nl-sun-d)}@media (prefers-reduced-motion:no-preference){.nl-big-go.ready{animation:.5s cubic-bezier(.2,.8,.2,1) both nl-pop}}@media (height<=800px){.nl-steps.with-chapters .nl-step{height:64px}.nl-chapters button{min-height:30px}.nl-ch-t{font-size:15px}}.nl-watch{width:132px;height:96px;box-shadow:0 0 0 3px var(--nl-line);color:var(--nl-navy);background:#fff;border-radius:26px;flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;gap:6px;font-size:20px;font-weight:700;display:flex}.nl-watch:active{transform:translateY(2px)scale(.97)}.nl-watch-over{z-index:8;background:#134da061;justify-content:center;align-items:center;padding:24px;animation:.2s ease-out both nl-fade;display:flex;position:absolute;inset:0}.nl-watch-box{background:var(--nl-wash);border-radius:28px;flex-direction:column;align-items:center;gap:14px;width:min(760px,100%);max-height:100%;padding:18px;animation:.32s cubic-bezier(.2,.8,.3,1.2) both kg-pop;display:flex;overflow:auto;box-shadow:0 18px 40px #0c347047}.nl-watch-box .example-card{width:100%;margin:0}.nl-watch-go{height:80px}@keyframes nl-fade{0%{opacity:0}to{opacity:1}}.nl .btn{border-radius:18px}.nl-where{flex:0 auto}.nl-where h1.nl-title-2{white-space:normal;-webkit-line-clamp:2;text-wrap:balance;-webkit-box-orient:vertical;font-size:23px;line-height:1.08;display:-webkit-box}.nl-learn .sheet-ins{color:var(--nl-navy);margin:2px 0 16px;font-family:Teachers,Alexandria,sans-serif;font-size:clamp(26px,3.9vh,34px);font-weight:800;line-height:1.15}.nl-learn .sheet:before,.nl-learn .sheet:after{display:none}.nl-learn .sheet{border-top:0!important}.nl-learn .pres{gap:16px;margin:0 0 18px}.nl-learn .pres-mat{border-radius:24px}.nl-learn .pres-say{box-shadow:0 0 0 3px var(--nl-line);border:0;border-radius:20px;padding:14px 20px}.nl-learn .pres-say.turn{box-shadow:0 0 0 3px var(--nl-sun);background:#fff4d6}.nl-learn .pres-say p{color:var(--nl-ink);font-family:Teachers,Alexandria,sans-serif;font-size:24px;font-weight:600;line-height:1.3}.nl-learn .pres-tag{font-size:14px}.nl-learn .pres-hear{border-radius:16px;width:48px;height:48px}.nl-learn .pres-controls{gap:14px}.nl-learn .pres-controls .btn{border-radius:18px;min-width:60px;min-height:60px;padding:0 26px;font-family:Teachers,Alexandria,sans-serif;font-size:22px;font-weight:800}.nl-learn .pres-controls .pres-back{width:60px;color:var(--nl-navy);background:#e4eefb;border:0;padding:0}.nl-learn .pres-controls>button:not(.btn){border-radius:18px;flex-shrink:0;width:60px;height:60px}.nl-learn .pres-dots li{width:12px;height:12px}.nl-learn .pres-dots li.on{width:30px}.nl-learn .pres-start{border-radius:22px;padding:20px 34px;font-family:Teachers,Alexandria,sans-serif;font-size:26px;font-weight:800}.nl-learn .kg-stage .pres-choice{border-radius:20px}.nl .tips{--tip-surface:var(--nl-wash);--tip-hair:transparent;max-width:none;margin:18px 0 4px}.nl .tips-open{box-shadow:0 0 0 3px var(--nl-line);border:0;border-radius:20px;min-height:72px}.nl .tips-open:hover{background:#fff}.nl .tips-ic{color:var(--nl-navy)}.nl .tips-open-text b{color:var(--nl-navy);font-family:Teachers,Alexandria,sans-serif;font-size:22px;font-weight:800}.nl .tips-open-text small{font-size:16px}.nl .tips-box{box-shadow:0 3px 0 0 var(--nl-line), 3px 0 0 0 var(--nl-line), -3px 0 0 0 var(--nl-line);border-radius:0 0 20px 20px}.nl-learn-side .score-card{background:var(--nl-navy);color:#fff;box-shadow:none;border:0;border-radius:24px;padding:20px 22px}.nl-learn-side .score-card .eyebrow{color:#bfdcf2!important}.nl-learn-side .score-card .score-big{color:#fff;font-family:Teachers,Alexandria,sans-serif;font-size:26px;font-weight:800}.nl-learn-side .score-card p{color:#dcebfa;font-size:17px;line-height:1.35}.nl-learn-side .learn-wait{color:var(--nl-mute);margin-top:auto;font-size:17px;font-weight:700}.nl-learn-side .learn-wait+.learn-grownup{min-height:52px}.nl-cell .talk-turn{background:var(--nl-wash);width:560px;max-width:620px;box-shadow:0 0 0 3px var(--nl-line);border:0;border-radius:24px;gap:16px;padding:20px 24px}.nl-cell .talk-turn.done{box-shadow:0 0 0 4px var(--nl-green)}.nl-cell .talk-turn-pic{justify-content:center;align-items:center;max-width:100%;min-height:96px}.nl-cell .talk-turn-pic>svg{width:auto;max-width:min(100%,480px);height:120px}.nl-cell .talk-turn-starters li{border-left-width:5px;padding-left:16px;font-size:26px;font-weight:700}.nl-cell .talk-turn-who{gap:12px}.nl-cell .talk-turn-token{border-width:3px;border-radius:16px;padding:14px 10px;font-family:Teachers,Alexandria,sans-serif;font-size:20px;font-weight:800}.nl-cell .talk-turn-actions{gap:12px}.nl-cell .talk-turn-actions .btn{border-radius:20px;min-height:68px;font-family:Teachers,Alexandria,sans-serif;font-size:22px;font-weight:800}.nl-cell .mnum{gap:12px}.nl-cell .mnum-row{background:var(--nl-wash);border-radius:20px;padding:8px 14px}.nl-cell .mnum-row>.imat{zoom:1.5}.nl-lv1 .nl-cell .mnum-row>.imat{zoom:1.3}.nl-cell .mnum .yn.ch{font-family:Teachers,Alexandria,sans-serif;font-weight:800}:is(.nl-cell .item-match .item-prompt,.nl-cell .item:has(.mnum) .item-prompt){margin-bottom:8px;line-height:1.35}.nl-lv0 .nl-cell .gcell{border-radius:14px;flex:none;width:58px;max-width:none;height:58px}.nl-lv1 .nl-cell .gcell{border-radius:12px;flex:none;width:48px;max-width:none;height:48px}.nl-cell .gfill{gap:12px}.nl-cell .gfill-row{gap:8px}.nl-cell .gfill-label{width:170px;font-family:Teachers,Alexandria,sans-serif;font-size:24px;font-weight:700}.nl-cell .gfill-label .imat-sm{width:52px;height:52px}.nl-lv0 .nl-cell .seq-slot{border-width:3px;border-radius:20px;width:96px;height:96px}.nl-lv1 .nl-cell .seq-slot{border-width:3px;border-radius:18px;width:76px;height:76px}.nl-cell .seq-slot.word{width:auto;min-width:110px}.nl-cell .seq-undo{background:#e4eefb;border-radius:18px;width:64px;height:64px}.nl-cell .seq-undo svg{width:28px;height:28px}.nl-lv1 :is(.yn,.ch,.cc,.gcell,.abox):active{transition:transform 80ms;transform:scale(.94)}.nl-lv1 :is(.yn,.ch).on{animation:.3s cubic-bezier(.3,.7,.4,1.3) both nl-choose}.nl-lv1 .nl-cell.ok .item-model .imat{animation:.6s cubic-bezier(.3,.7,.4,1.3) both nl-cheer}@keyframes nl-choose{0%{transform:scale(.94)}60%{transform:scale(1.04)}to{transform:none}}@keyframes nl-cheer{0%,to{transform:none}40%{transform:translateY(-8px)}}.nl-fb{animation:.32s cubic-bezier(.22,1,.36,1) both nl-fb-in}@keyframes nl-fb-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.nl-cell{transition:box-shadow .2s}.nl-fb.ok{font-family:Teachers,Alexandria,sans-serif;font-size:21px;font-weight:800}.nl-fb.not,.nl-fb.todo{font-family:Teachers,Alexandria,sans-serif;font-size:19px;font-weight:700}.nl-ask h2{animation:.3s cubic-bezier(.22,1,.36,1) both nl-fb-in}@media (width<=860px){.nl-subbar{gap:12px;padding:0 20px}.nl-path-title{flex:0 auto;min-width:130px;font-size:30px}.nl-subbar .nl-meter.wide{display:none}.nl-count{font-size:17px}}.nl-ask h2{text-wrap:balance;font-size:clamp(24px,min(4.6vh,4.3vw),40px)}@media (width>=1300px) and (height>=860px){.nl-steps{width:420px}.nl-ch-t{font-size:17px}.nl-chapters button{min-height:38px}.nl-learn-side{width:340px}}.nl-learn-side{box-sizing:border-box;padding-bottom:8px}.nl-path-title.nl-title-2{white-space:normal;-webkit-line-clamp:2;text-wrap:balance;-webkit-box-orient:vertical;font-size:27px;line-height:1.05;display:-webkit-box}@media (width<=860px){.nl-lesson-bar{gap:10px}.nl-lesson-bar .nl-mat-btn{gap:0;padding:0 11px;font-size:0}.nl-lesson-bar .nl-prog-n{display:none}.nl-lesson-bar .nl-dots{max-width:150px}.nl-learn-side{width:220px}.nl-learn{gap:14px}}.nl-learn-stage .sheet{box-sizing:border-box;padding:4px}.nl-learn .pres-idle.with-poster{gap:18px;padding:6px 0}.nl-learn .pres-poster{pointer-events:none;justify-content:center;align-items:center;max-width:100%;min-height:120px;display:flex}.nl-learn .pres-poster .lp-row{gap:28px}.nl-learn .pres-poster{zoom:1.25}.nl-learn .pres-poster svg,.nl-learn .pres-poster img{max-width:100%;height:auto;max-height:150px}.nl-learn .pres-idle-t{font-size:19px;font-weight:600}@media (width<=860px) and (orientation:portrait){.nl-learn{flex-direction:column;gap:14px}.nl-learn-stage{min-height:0}.nl-learn-side{flex-shrink:0;width:auto;padding-bottom:8px}.nl-learn-side .wb-right{flex-direction:row;align-items:stretch;gap:14px;height:auto}.nl-learn-side .wb-right>*{margin:0}.nl-learn-side .score-card{flex-direction:column;flex:1 1 0;justify-content:center;gap:2px;min-width:0;padding:12px 22px;display:flex}.nl-learn-side .score-card p{display:none}.nl-learn-side .wb-right:has(.guide-start,.guide-panel) .score-card{display:none}.nl-learn-side .wb-right{flex-wrap:wrap}.nl-learn-side .guide-start{flex:1 1 0;width:auto;min-width:0}.nl-learn-side .guide-panel{border-radius:24px;flex:100%;order:-1;grid-template-columns:1fr auto;grid-template-areas:"head head""say act";align-items:center;gap:8px 14px;padding:10px 16px 12px;display:grid}.nl-learn-side .guide-panel .guide-head{grid-area:head}.nl-learn-side .guide-panel .guide-face{width:40px;height:40px}.nl-learn-side .guide-panel .guide-x{width:44px;height:44px}.nl-learn-side .guide-panel .guide-say{grid-area:say;min-height:0;margin:0;padding:10px 16px;font-size:19px}.nl-learn-side .guide-panel .guide-actions{flex-flow:column;grid-area:act;gap:8px}.nl-learn-side .learn-go{white-space:nowrap;flex:none;width:auto;min-height:84px;padding:0 34px}.nl-learn-side .learn-wait{flex:1 1 0;align-self:center}.nl-learn-side .learn-wait+.learn-grownup{white-space:nowrap;flex:none;align-self:center;width:auto;padding:0 22px}.nl-learn .pres-mat{min-height:38vh}.nl-learn .pres-mat.waiting{min-height:53vh}.nl-learn .pres-poster{zoom:1.6}.nl-learn-video{flex-direction:column;gap:20px;padding:22px 24px 26px}.nl-learn-video .nl-video{flex:42vh;min-height:280px}.nl-learn-video .nl-player{gap:22px;padding-bottom:56px}.nl-learn-video .nl-player.on .nl-video-pic,.nl-learn-video .nl-video-pic{flex:0 200px;width:min(520px,80%);height:auto;min-height:96px}.nl-learn-video .nl-steps{flex:none;gap:12px;width:auto;min-height:0;max-height:56vh}.nl-learn-video .nl-steps.with-chapters .nl-chapters{gap:4px;min-height:0;margin:0;overflow-y:auto}.nl-learn-video .nl-chapters button{box-sizing:border-box;min-height:42px;padding:2px 14px 2px 6px}.nl-learn-video .nl-play{flex-shrink:0}.nl-learn-video .nl-player-sample{flex:0 auto;min-height:0}.nl-learn-video .nl-ch-n{width:30px;height:30px;font-size:16px}.nl-learn-video .nl-ch-t{font-size:19px}.nl-learn-video .nl-chapters time{font-size:15px}.nl-learn-video .nl-grow{display:none}.nl-learn-video .nl-big-go{margin-top:6px}}.nl-tasks{flex-shrink:0;gap:12px;width:min(720px,100% - 64px);margin-top:clamp(10px,2vh,18px);display:grid}.nl-task{text-align:left;cursor:pointer;font:inherit;color:var(--nl-navy,#134da0);background:#fff;border:0;border-radius:26px;align-items:center;gap:16px;padding:12px 14px 12px 12px;display:flex;box-shadow:0 6px #d7e6f5}.nl-task:active{transform:translateY(3px);box-shadow:0 3px #d7e6f5}.nl-task-ic{color:#fff;border-radius:18px;flex-shrink:0;place-items:center;width:60px;height:60px;display:grid}.nl-task.classwork .nl-task-ic{background:#2698dd}.nl-task.homework .nl-task-ic{background:#a2c466}.nl-task-t{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.nl-task-t small{opacity:.75;white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:700;overflow:hidden}.nl-task-t b{white-space:nowrap;text-overflow:ellipsis;font-size:21px;line-height:1.2;overflow:hidden}.nl-task-go{color:#134da0;background:#fec44b;border-radius:50%;flex-shrink:0;place-items:center;width:52px;height:52px;display:grid}.nl-task.done{box-shadow:0 6px #dcebc6}.nl-task.done .nl-task-go{color:#fff;background:#a2c466}@media (width<=600px){.nl-tasks{width:calc(100% - 32px)}.nl-task-t b{font-size:18px}.nl-task-ic{width:50px;height:50px}}.nl-bar .nl-nav{align-self:stretch;gap:2px}.nl-bar .nl-nav a{height:100%;font:700 13px/1.1 var(--font,"Alexandria");color:#5b6b82;background:0 0;border-radius:0;flex-direction:column;justify-content:center;gap:5px;padding:6px 14px 10px;position:relative}.nl-bar .nl-nav a i{border-radius:13px;width:44px;height:44px;transition:transform .15s}.nl-bar .nl-nav a:hover{color:var(--nl-navy)}.nl-bar .nl-nav a:hover i{transform:translateY(-2px)}.nl-bar .nl-nav a.on{color:var(--nl-navy);background:0 0}.nl-bar .nl-nav a.on:after{content:"";background:var(--nl-navy);border-radius:5px 5px 0 0;height:5px;position:absolute;bottom:0;left:12px;right:12px}.nl-screen:not(.nl-navy){background:#d9effc}.nl-blob{z-index:0;color:#d3ecfb;pointer-events:none;background:#e8f6fe;border-radius:50%;place-items:center;display:grid;position:absolute}.nl-blob svg{width:46%;margin-top:18%}.nl-blob.a{width:640px;height:640px;bottom:-220px;left:-340px}.nl-blob.b{width:460px;height:460px;top:-160px;right:-240px}.nl-lesson-bar{background:#ffffffeb;gap:18px}.nl-lesson-bar .nl-back{background:#fff;border:1px solid #d3e0ee;border-radius:14px}.nl-lesson-bar .nl-back svg{stroke:#134da0}.nl-lesson-bar .nl-where{min-width:0;max-width:340px}.nl-path{align-items:flex-start;margin:0 auto;padding:0;list-style:none;display:flex}.nl-path li{width:86px;font:700 13px var(--font,"Alexandria");color:#7c8da6;flex-direction:column;align-items:center;gap:4px;display:flex;position:relative}.nl-path li:not(:last-child):after{content:"";background:#d3e0ee;border-radius:2px;width:48px;height:3px;position:absolute;top:17px;left:62px}.nl-path li.done:after{background:#a2c466}.nl-path i{color:#7c8da6;background:#fff;border:2px solid #d3e0ee;border-radius:50%;place-items:center;width:36px;height:36px;font:800 16px Teachers,sans-serif;display:grid}.nl-path .done i{background:#a2c466;border-color:#a2c466}.nl-path .now i{color:#fff;background:#134da0;border-color:#134da0;box-shadow:0 0 0 5px #d6e6f8}.nl-path .now{color:#134da0}.nl-watchbar{color:#fff;height:52px;font:700 16px var(--font,"Alexandria");white-space:nowrap;cursor:pointer;background:#134da0;border:0;border-radius:14px;flex-shrink:0;align-items:center;gap:8px;padding:0 18px;display:inline-flex}.nl-lesson-bar .nl-mat-btn{border-radius:14px}@media (width<=1180px){.nl-path li{width:64px;font-size:11.5px}.nl-path li:not(:last-child):after{width:32px;left:48px}.nl-lesson-bar .nl-where{max-width:240px}}@media (width<=1024px){.nl-path span{display:none}.nl-path li{width:48px}.nl-path li:not(:last-child):after{width:16px;left:40px}.nl-watchbar{padding:0 14px}}@media (width<=820px){.nl-path{display:none}}.nl-progrow{z-index:2;flex-shrink:0;padding:14px 28px 0;position:relative}.nl-progrow .nl-prog{flex-direction:row;align-items:center;gap:16px}.nl-progrow .nl-prog-n{font:700 15px var(--font,"Alexandria");color:#3e6597}.nl-progrow .nl-dots{flex:1;gap:6px;max-width:none;height:12px}.nl-progrow .nl-dot{background:#fff;border-radius:6px;flex:1;width:auto;min-width:6px;height:12px}.nl-progrow .nl-dot.filled{background:#c8e0f5}.nl-progrow .nl-dot.ok{background:#a2c466}.nl-progrow .nl-dot.no{background:#ef7b7b}.nl-progrow .nl-dot.on{height:12px;box-shadow:inset 0 0 0 3px #134da0}.nl-practice .nl-ask h2{color:#134da0;font-family:Teachers,Alexandria,sans-serif;font-size:clamp(30px,5vh,46px)}.nl-practice .nl-cell{box-shadow:none;background:#fff;border-radius:22px}.nl-practice .nl-cell.ok{background:#f7fbf1;animation:.45s cubic-bezier(.34,1.56,.64,1) nl-okpop;box-shadow:0 0 0 4px #a2c466}.nl-practice .nl-cell.not{animation:.4s ease-in-out nl-shake;box-shadow:0 0 0 4px #ef7b7b}@keyframes nl-okpop{40%{transform:scale(1.025)}}@keyframes nl-shake{25%{transform:translate(-6px)}75%{transform:translate(6px)}}.nl-practice .nl-fb.ok{color:#5b7f25;background:#eef6e2;font-family:Teachers,sans-serif;font-size:24px;animation:.5s cubic-bezier(.34,1.56,.64,1) both nl-rise}.nl-practice .nl-fb.not,.nl-practice .nl-fb.todo{color:#134da0;background:#fdeded}@keyframes nl-rise{0%{opacity:0;transform:translateY(12px)}}.nl-practice .nl-padcol{background:#fff;border-radius:22px;width:320px;padding:16px}.nl-practice .nl-padcol .pad{box-shadow:none;padding:0}.nl-practice .nl-padcol .key{color:#134da0;box-shadow:none;background:#fff;border:2px solid #e4eef8;border-bottom-width:4px}.nl-practice .nl-padcol .key:active{transform:translateY(3px)}.nl-pal{flex-shrink:0;align-items:flex-end;gap:8px;min-height:128px;display:flex}.nl-pal .mm{margin-bottom:-4px}.nl-palsay{color:#fff;font:700 16px/1.3 var(--font,"Alexandria");transform-origin:0 100%;background:#134da0;border-radius:14px;margin:0 0 34px;padding:10px 14px;animation:.55s cubic-bezier(.34,1.56,.64,1) .25s both nl-bubin,3.4s ease-in-out 1s infinite nl-bubfloat;position:relative}.nl-palsay:before{content:"";border:8px solid #0000;border-left:0;border-right-color:#134da0;position:absolute;bottom:14px;left:-8px}.nl-pal.ok .nl-palsay{background:#5b7f25}.nl-pal.ok .nl-palsay:before{border-right-color:#5b7f25}.nl-pal.not .nl-palsay{background:#134da0}@keyframes nl-bubin{0%{opacity:0;transform:scale(.4)translateY(10px)}}@keyframes nl-bubfloat{50%{transform:translateY(-5px)}}.nl-practice .nl-act.navy,.nl-practice .nl-act.sun,.nl-act.sun{color:#fff;background:#a2c466;border-radius:18px;font-family:Teachers,sans-serif;box-shadow:0 6px #7fa43f}.nl-act.sun svg path{fill:#fff}.nl-practice .nl-act:disabled{opacity:1;background:#c9dda6;box-shadow:0 6px #b2c98a}.nl-practice .nl-help{box-shadow:none;background:#fff;border-radius:18px}.nl-practice .nl-help.on{box-shadow:0 0 0 4px #134da0}@media (prefers-reduced-motion:reduce){.nl-palsay,.nl-practice .nl-cell,.nl-practice .nl-fb{animation:none!important}}.nl-watchbar{flex-direction:row!important}.nl-watchbar svg{flex-shrink:0}.nl-watchbar{width:auto;min-width:max-content}.nl-practice .nl-padcol{overflow:hidden}.nl-practice .nl-padcol .key{height:clamp(46px,6.6vh,64px)}.nl-practice .nl-pal{min-height:0}.nl-practice .nl-pal .mm{width:clamp(70px,11vh,108px);height:auto}.nl-play{background:#a2c466;box-shadow:0 8px #7fa43f}.nl-play:active{box-shadow:0 4px #7fa43f}.nl-play svg path{fill:#fff}.nl-step.now{color:#fff;background:#a2c466;box-shadow:0 6px #7fa43f}.nl-practice .nl-pal .mmp{margin-bottom:-6px}@media (height<=800px){.nl-practice .nl-pal .mmp{zoom:.8}}.nl-next-skill{color:#fff;background:#a2c466;box-shadow:0 7px #7fa43f}.nl-next-skill svg path{fill:#fff}.nl-watch-side{text-align:center;align-items:center;gap:20px}.nl-watch-pal{flex-direction:column;align-items:center;gap:6px;margin-top:8px;display:flex}.nl-palsay.big{border-radius:18px;margin:0;padding:14px 22px;font-family:Teachers,sans-serif;font-size:clamp(24px,3.6vh,32px);font-weight:800}.nl-palsay.big:before{border:8px solid #0000;border-top-color:#134da0;border-bottom:0;bottom:-8px;left:50%;transform:translate(-50%)}.nl-watch-pal.ok .nl-palsay.big:before{border-top-color:#5b7f25}.nl-face-left .mmp{transform:scaleX(-1)}.nl-chdots{flex-wrap:wrap;justify-content:center;gap:12px;margin:0;padding:0;list-style:none;display:flex}.nl-chdots button{cursor:pointer;background:#fff;border:3px solid #9fb6d1;border-radius:50%;width:26px;height:26px;padding:0;transition:background .2s,transform .2s}.nl-chdots button.done{background:#a2c466;border-color:#a2c466}.nl-chdots button.on{background:#134da0;border-color:#134da0;transform:scale(1.25)}.nl-watch-pal.ok .nl-palsay.big{background:#5b7f25}.nl-steps .nl-chdots,.nl-chdots{flex-direction:row!important}.nl-chdots li{background:0 0;border:0;margin:0;padding:0;list-style:none}.nl-watch-side .nl-big-go{justify-content:center;align-self:stretch}.nl-big-go.ready{color:#fff;background:#a2c466;box-shadow:0 8px #7fa43f}.nl-big-go.ready svg path{fill:#fff}.nl-watch-over{padding:20px}.nl-watch-box{justify-content:center;gap:22px;width:min(1180px,96%);min-height:78%;padding:28px 32px}.nl-watch-box .example-card{zoom:1.45}.nl-watch-box .kgw-say{font-size:30px}.nl-watch-go{min-width:300px;height:92px;font-size:34px}@media (height<=800px){.nl-watch-box .example-card{zoom:1.2}}.seq-num{color:var(--navy,#134da0);font:800 30px/1 Teachers,sans-serif}.nl-qone>.qrow>.qn{display:none}.nl-qone>.qrow{justify-content:center;display:flex}.nl-qone .item.side{flex-flow:column;align-items:center;gap:22px;width:100%}.nl-qone .item.side>.item-body{display:contents}.nl-qone .item.side>.item-model{background:#e8f6fe;border-radius:24px;order:2;padding:18px 28px}.nl-qone .item.side .item-model .imat{zoom:1.6}.nl-qone .item .item-prompt{text-align:center;color:var(--navy,#134da0);order:1;font:800 30px/1.2 Teachers,sans-serif}.nl-qone .item.side .item-choices-wrap{order:3}.nl-qone .item-choices-wrap{justify-content:center;display:flex}.nl-qone .colour-grid{margin-inline:auto}.colour-grid .cc{border-color:#c9d6e6}.colour-grid .cc.on{background:#d3392e;border-color:#9e2620}.nl-watch-box .example-card{flex-direction:column;flex:auto;display:flex}.nl-watch-box .kgw-row{zoom:1.7;flex:auto;justify-content:center;align-items:center}.nl-watch-box .kgw-show{zoom:1.4}.nl-watch-go{justify-content:center}@media (height<=800px){.nl-watch-box .kgw-row{zoom:1.35}}.nl-watch-box .kgw-row{flex:none;margin-block:auto}.nl-watch-box .kgw-pic>span>*{zoom:1.5}.nl-watch-box{min-height:0}.nl-watch-box .example-card{flex:none}.nl-watch-box .kgw-row{padding-bottom:36px}.yl{--yl-ink:#134da0;--yl-soft:#3e6597;--yl-go:#a2c466;--yl-go-edge:#7fa43f;--yl-ease:cubic-bezier(.22, 1, .36, 1);width:min(1120px,100%);color:var(--yl-ink);isolation:isolate;flex-direction:column;align-items:center;margin:0 auto;padding:24px 0 40px;display:flex;position:relative}.kn-page.yl-page .yl{justify-content:center;min-height:calc(100dvh - 204px)}.nl-screen .yl{justify-content:center;width:min(1184px,100%);min-height:100%;padding:clamp(16px,3vh,32px) 32px 24px}.nl-screen:has(.yl) .nl-mark{display:none}.yl button{font:inherit;color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;padding:0}.yl button:disabled{cursor:default}.kn-page.yl-page{background:#d9effc}body:has(.kn-page.yl-page){background:#d9effc}.nl-screen:has(.yl){background:#d9effc}.kn-page.yl-page:before{display:none}.kn-page.yl-page{min-height:0;overflow:hidden}.school-green .kn-page.yl-page{background:#e4f2d6}body:has(.school-green .yl-page){background:#e4f2d6}.yl-blob{z-index:-1;pointer-events:none;background:#e8f6fe;border-radius:50%;position:absolute}.yl-blob.a{width:640px;height:640px;top:60px;left:-360px}.yl-blob.b{width:480px;height:480px;top:-200px;right:-300px}.yl-blob.c{width:360px;height:360px;bottom:-300px;right:120px}.yl-blob{place-items:center;display:grid}.yl-blob-smile{color:#d3ecfb;width:46%;margin-top:18%;overflow:visible}.yl-head{animation:yl-fade .5s var(--yl-ease) both;align-items:center;gap:20px;display:flex}.yl-av{background:#fff;border-radius:50%;flex:none;place-items:center;width:112px;height:112px;display:grid;overflow:hidden}.yl-av>*{width:100%;height:100%}.yl-hi{font:800 clamp(48px, 6vw, 80px)/1 var(--book-font,"Teachers");letter-spacing:-.01em;color:var(--navy,#134da0);margin:0}.yl-band{font:600 15px/1.2 var(--font,"Alexandria");color:var(--yl-soft);margin:6px 0 0}.yl .yl-go{background:var(--yl-go);color:#fff;transition:transform .15s var(--yl-ease), border-width .15s;animation:yl-fade .5s 80ms var(--yl-ease) both;border-radius:14px;align-items:center;gap:18px;margin-top:28px;padding:12px 40px 12px 12px;display:inline-flex;border-bottom:5px solid var(--yl-go-edge)!important}.yl .yl-go:hover{transform:translateY(-1px)}.yl .yl-go:active{transform:translateY(3px);border-bottom-width:2px!important}.yl-go:focus-visible{outline:3px solid var(--navy,#134da0);outline-offset:4px}.yl-go-ic{background:var(--navy,#134da0);color:#fff;border-radius:50%;flex:none;place-items:center;width:62px;height:62px;display:grid}.yl-go-ic svg{margin-left:4px}.yl-go-t b{font:800 30px/1 var(--book-font,"Teachers");display:block}.yl-go-t small{font:600 15px/1.2 var(--font,"Alexandria");margin-top:4px;display:block}.yl-note{text-align:center;margin-top:24px}.yl-note h2{font:800 30px/1.1 var(--book-font,"Teachers");margin:0}.yl-note p{font:600 16px/1.4 var(--font,"Alexandria");color:var(--yl-soft);margin:8px 0 0}.yl-subjects{flex-wrap:wrap;justify-content:center;gap:clamp(48px,9vw,120px);margin:40px 0 0;padding:0;list-style:none;display:flex}.yl-subjects li{animation:yl-rise .6s calc(.12s + var(--i,0) * 80ms) var(--yl-ease) both}.yl .yl-subject{text-align:center;flex-direction:column;align-items:center;display:flex}.yl-ring{width:250px;height:250px;transition:transform .2s var(--yl-ease);background:#fff;border-radius:50%;padding:12px;display:block}.yl-subject:hover .yl-ring{transform:translateY(-4px)}.yl-subject:focus-visible .yl-ring{outline:3px solid var(--navy,#134da0);outline-offset:4px}.yl-mark{background:var(--c);color:#fff;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;display:flex}.yl-mark b{font:800 90px/.9 var(--book-font,"Teachers");margin-top:-6px}.yl-mark svg{width:74px;height:auto;color:var(--s);margin-top:10px}.yl-sub-name{font:800 40px/1 var(--book-font,"Teachers");color:var(--c);margin-top:16px}.yl-subject[style*=\#EF7B7B] .yl-sub-name{color:#e06464}.yl-sub-meta{font:700 14px/1.2 var(--font,"Alexandria");color:var(--yl-soft);margin-top:6px}.yl-subject.soon{opacity:.55}.yl-rows{flex-wrap:wrap;justify-content:center;gap:12px;margin:36px 0 0;padding:0;list-style:none;display:flex}.yl .yl-row{background:#ffffffd9;border-radius:14px;align-items:center;gap:12px;min-width:240px;padding:12px 16px;display:flex}.yl .yl-row:disabled{opacity:.7}.yl-row-ic{width:40px;height:40px;color:var(--navy,#134da0);background:#e8f3fc;border-radius:12px;flex:none;place-items:center;display:grid}.yl-row-ic.homework,.yl-row-ic.classwork{color:#5b7f25;background:#eef6e2}.yl-row-t{flex:1;min-width:0}.yl-row-t b{font:800 18px/1.15 var(--book-font,"Teachers");display:block}.yl-row-t small{font:600 12px/1.3 var(--font,"Alexandria");color:var(--yl-soft);margin-top:2px;display:block}.yl-row-go{color:var(--navy,#134da0)}.yl-task.done{opacity:.7}@keyframes yl-fade{0%{opacity:0;transform:translateY(6px)}}@keyframes yl-rise{0%{opacity:0;transform:translateY(14px)}}@media (prefers-reduced-motion:reduce){.yl *,.yl{transition:none!important;animation:none!important}}@media (width<=820px){.yl-ring{width:200px;height:200px}.yl-mark b{font-size:72px}.yl-mark svg{width:60px}.yl-sub-name{font-size:34px}}@media (width<=560px){.yl{padding-top:8px}.yl-av{width:72px;height:72px}.yl-head{gap:12px}.yl .yl-go{width:100%;padding-right:20px}.yl-subjects{gap:24px;margin-top:28px}.yl-ring{width:148px;height:148px;padding:8px}.yl-mark b{font-size:52px}.yl-mark svg{width:44px;margin-top:6px}.yl-sub-name{margin-top:10px;font-size:26px}.yl .yl-row{width:100%;min-width:0}}.yl-ring{position:relative}.yl-mm{position:absolute;bottom:-18px}.yl-mm.l{left:-128px}.yl-mm.r{right:-122px}.yl-note-mm{margin:0 auto 4px}@media (width<=820px){.yl-mm .mmp{zoom:.7}.yl-mm.l{left:-80px}.yl-mm.r{right:-78px}}@media (width<=560px){.yl-mm{display:none}}.legal-foot{color:var(--muted);flex-wrap:wrap;justify-content:center;gap:6px 10px;padding:22px 16px 28px;font-size:13px;display:flex}.legal-foot a{color:var(--navy);text-underline-offset:3px;text-decoration:underline;-webkit-text-decoration-color:var(--line);text-decoration-color:var(--line)}.legal-foot a:hover{-webkit-text-decoration-color:var(--navy);text-decoration-color:var(--navy)}.signin-wrap:has(>.legal-foot){padding-bottom:64px;position:relative}.signin-wrap>.legal-foot{inset-inline:0;position:absolute;bottom:0}.parent~.legal-foot,.welcome~.legal-foot{padding-top:6px}.legal-page{background:var(--page-bg);min-height:100dvh}.legal-in{width:min(760px,100% - 32px);margin:0 auto}.legal-top{border-bottom:1px solid var(--line);background:#fff}.legal-top .legal-in{justify-content:space-between;align-items:center;gap:12px;padding:14px 0;display:flex}.legal-body{gap:14px;padding:36px 0 20px;font-size:16px;line-height:1.6;display:grid}.legal-draft{border-left:5px solid var(--sun);color:var(--sun-ink);background:#fff;border-radius:0 14px 14px 0;padding:14px 18px;font-size:15px}.legal-body h1{color:var(--navy);font-size:clamp(30px,5vw,40px);line-height:1.15}.legal-date{color:var(--muted);margin-top:-6px;font-size:14px}.legal-lead{color:var(--ink);font-size:18px}.legal-sec{border:1px solid var(--line);background:#fff;border-radius:22px;gap:10px;padding:24px 26px;display:grid}.legal-sec h2{color:var(--navy);font-size:21px}.legal-sec h3{color:var(--sky);margin:6px 0 0;font-size:16px}.legal-sec ul{gap:6px;margin:0;padding-left:20px;display:grid}.legal-sec a,.legal-other a{color:var(--navy);text-underline-offset:3px;font-weight:600;text-decoration:underline}.legal-other{padding:6px 0}@media (width<=600px){.legal-sec{border-radius:18px;padding:18px}.legal-body{padding-top:24px;font-size:15.5px}.legal-lead{font-size:16.5px}}.privacy-panel{margin-top:20px;padding:26px}.privacy-panel .pp-intro{margin:-6px 0 14px}.privacy-panel .pp-intro a{color:var(--navy);text-underline-offset:3px;font-weight:600;text-decoration:underline}.pp-rows{display:grid}.pp-row{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;padding:14px 0;display:flex}.pp-row>div{gap:2px;min-width:0;display:grid}.pp-row b{color:var(--ink);font-size:15.5px}.pp-row small{color:var(--muted);font-size:13.5px}.pp-row .btn{flex:none}.pp-msg{color:var(--navy);margin-top:8px;font-size:14px}@media (width<=560px){.pp-row{flex-direction:column;align-items:stretch}.pp-row .btn{align-self:flex-start}.privacy-panel{padding:20px}}.pp-confirm{width:min(480px,100%)}.pp-what{color:var(--ink);gap:8px;font-size:15px;line-height:1.5;display:grid}.pp-what p:first-child{border-left:4px solid var(--sun);padding-left:12px}.pp-confirm label b{color:var(--navy)}.pp-done{font-size:15px;line-height:1.5}@media (width<=560px){.pp-confirm .ac-actions{flex-direction:column-reverse}.pp-confirm .ac-actions .btn{width:100%}}.consent-line{padding:4px 0;border-inline-start:3px solid var(--sky);cursor:pointer;align-items:flex-start;gap:10px;padding-inline-start:12px;font-size:14.5px;display:flex}.consent-line input{width:20px;height:20px;accent-color:var(--navy);flex:none;margin:2px 0 0}.consent-line span{gap:4px;display:grid}.consent-line b{color:var(--navy);font-weight:600}.consent-line small{color:var(--muted);font-size:13px}.consent-line a{color:var(--navy);text-underline-offset:3px;text-decoration:underline}.idle-ask{z-index:90}.idle-card{text-align:center;justify-items:center;gap:14px;width:min(440px,100%);padding:32px;display:grid}.idle-card h2{color:var(--navy);font-size:30px}.idle-card p{color:var(--ink);font-size:17px;line-height:1.5}.chk{background:var(--tint);min-height:100vh;color:var(--ink);font-family:var(--font)}.chk-top{border-bottom:1px solid var(--line);background:#fff}.chk-top-in{flex-wrap:wrap;align-items:center;gap:16px;width:min(1180px,100% - 32px);min-height:72px;margin:0 auto;padding:8px 0;display:flex}.chk-top .logo,.chk-top-in>a img{width:110px}.chk-top-in>svg,.chk-top-in>img{width:auto;max-height:40px}.chk-mark img{width:48px;height:auto;display:block}.chk-top-title{color:var(--navy);font-size:18px;font-weight:700}.chk-spacer{flex:1}.chk-lang{border:1.5px solid var(--line);border-radius:12px;display:inline-flex;overflow:hidden}.chk-lang button{color:var(--navy);background:#fff;padding:8px 12px;font-size:14px;font-weight:600}.chk-lang button.on{background:var(--navy);color:#fff}.chk-lang button[lang=ar]{font-family:Alexandria,system-ui,sans-serif}.chk-wrap{width:min(1180px,100% - 32px);margin:0 auto;padding:28px 0 48px}.eyebrow{display:block}.chk-setup{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);align-items:start;gap:32px;display:grid}.chk-intro h1{color:var(--navy);letter-spacing:-.01em;margin:6px 0 12px;font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.1}.chk-intro>p{color:var(--muted);max-width:56ch;font-size:18px;line-height:1.6}.chk-how{gap:14px;margin:24px 0 0;padding:0;list-style:none;display:grid}.chk-how li{border-inline-start:5px solid var(--sky);gap:2px;padding:4px 0 4px 18px;display:grid}.chk-how li:nth-child(2){border-color:#a2c466}.chk-how li:nth-child(3){border-color:#fec44b}[dir=rtl] .chk-how li{padding:4px 18px 4px 0}.chk-how b{color:var(--navy);font-size:18px}.chk-how span{color:var(--muted);font-size:16px;line-height:1.5}.chk-form{gap:20px;padding:26px 28px;display:grid}.chk-form h2{color:var(--navy);font-size:22px}.chk-field{gap:8px;display:grid}.chk-label{color:var(--navy);font-weight:600}.chk-children{flex-wrap:wrap;gap:8px;display:flex}.chk-children button{border:2px solid var(--line);min-height:48px;color:var(--navy);background:#fff;border-radius:14px;padding:0 18px;font-weight:600}.chk-children button.on{border-color:var(--navy);background:var(--navy);color:#fff}.chk-subjects{gap:10px;display:grid}.chk-subject{border:2px solid var(--line);cursor:pointer;background:#fff;border-radius:18px;grid-template-columns:auto auto 1fr;align-items:center;gap:14px;padding:14px 16px;display:grid}.chk-subject input{width:24px;height:24px;accent-color:var(--navy)}.chk-subject.on{border-color:var(--sky);background:#f3faff}.chk-subject.off{cursor:default;opacity:.75}.chk-subject-mark{color:#fff;width:52px;height:52px;font-family:var(--book-font);background:var(--navy);border-radius:16px;flex:none;place-items:center;font-size:18px;font-weight:700;display:grid}.ela .chk-subject-mark,.chk-subject.ela .chk-subject-mark{background:#ef7b7b}.chk-subject-txt{gap:2px;display:grid}.chk-subject-txt b{color:var(--navy);font-size:18px}.chk-subject-txt small{color:var(--muted);font-size:14px;line-height:1.45}.chk-go{white-space:normal;width:100%}.chk-small{color:var(--muted);font-size:14px;line-height:1.5}.chk-small a{color:var(--navy);font-weight:600;text-decoration:underline}.chk-child .chk-top-title{font-size:20px}.chk-hello{text-align:center;justify-items:center;gap:14px;padding-top:40px;display:grid}.chk-pip img{filter:drop-shadow(0 12px 10px #134da038);width:clamp(150px,22vw,210px);height:auto;animation:3.2s ease-in-out infinite fz-fly}.chk-hello h1{color:var(--navy);font-size:clamp(36px,6vw,60px);font-weight:700;line-height:1.1}.chk-hello-sub{color:var(--ink);max-width:30ch;font-size:22px;line-height:1.5}.chk-hello-note{color:var(--muted);max-width:44ch;font-size:17px;line-height:1.5}.chk-big{border-radius:26px;min-width:240px;min-height:72px;margin-top:10px;font-size:26px}.chk-ask{gap:18px;padding-top:18px;display:grid;position:relative}.chk-progress{height:44px;margin:0 56px 0 8px;position:relative}[dir=rtl] .chk-progress{margin:0 8px 0 56px}.chk-track{inset-inline:0;background:#dcebf8;border-radius:6px;height:10px;position:absolute;top:20px;overflow:hidden}.chk-track i{background:#5baee1;border-radius:6px;height:100%;transition:width .4s;display:block}[dir=rtl] .chk-track i{margin-inline-start:auto}.chk-flyer{width:44px;height:auto;transition:inset-inline-start .4s;position:absolute;top:-6px}.chk-flyer img{width:44px;height:auto;display:block}.math-buddy{background:var(--navy);color:#fff;border-radius:50%;flex:none;place-items:center;display:inline-grid;box-shadow:0 10px 18px -10px #134da099}.chk-pip .math-buddy{animation:3.2s ease-in-out infinite fz-fly;width:clamp(130px,18vw,180px)!important;height:clamp(130px,18vw,180px)!important}.chk-paused .math-buddy{margin:0 auto}.chk-pause{top:14px;border:2px solid var(--line);min-height:48px;color:var(--navy);background:#fff;border-radius:14px;align-items:center;gap:6px;padding:0 14px;font-weight:600;display:inline-flex;position:absolute;inset-inline-end:0}.chk-q{grid-template-columns:minmax(0,1fr);gap:18px;display:grid}.chk-q.with-pad{grid-template-columns:minmax(0,1fr) 300px;align-items:start}.chk-sheet{border-radius:26px;padding:22px}.chk-sheet .qgrid{margin:0;padding:0;list-style:none;display:block}.chk-sheet .qrow{display:flex}.chk-sheet .item{border:0;padding:4px 0}.chk-sheet .item-prompt{font-size:28px}.chk-head{color:var(--muted);margin:0 0 8px;font-size:18px}.chk-side{align-content:start;gap:14px;display:grid}.chk-pad{padding:14px}.chk-pad small{font-size:13px;font-weight:700}.chk-next-row{justify-content:flex-end;align-items:center;gap:12px;display:flex}.chk-q:not(.with-pad) .chk-next-row{justify-content:center}.chk-next{border-radius:26px;min-width:140px;min-height:76px}.chk-next:disabled{opacity:.45}[dir=rtl] .chk-arrow{transform:scaleX(-1)}.chk-notyet{border-radius:20px;min-height:60px;font-size:18px}.chk-paused{text-align:center;justify-items:center;gap:12px;width:min(420px,100vw - 32px);padding:28px;display:grid}.chk-paused img{width:110px;height:auto}.chk-paused h2{color:var(--navy);font-size:30px}.chk-paused p{color:var(--muted);font-size:18px}.chk-paused .btn{width:100%}.chk-result{gap:24px;display:grid}.chk-result .chk-intro{max-width:760px}.chk-res{gap:18px;padding:24px 26px;display:grid}.chk-res-head{align-items:center;gap:16px;display:flex}.chk-res-k{color:var(--muted);font-size:14px;font-weight:600;display:block}.chk-res-head h2{color:var(--navy);font-size:clamp(26px,3.4vw,34px);line-height:1.15}.chk-res-sum{gap:6px;font-size:17px;line-height:1.6;display:grid}.chk-res-lists{grid-template-columns:1fr 1fr;gap:18px;display:grid}.chk-list{background:#f3faff;border-inline-start:6px solid #a2c466;border-radius:18px;padding:16px 18px}.chk-list.learn{border-color:#fec44b}.chk-list h3{color:var(--navy);justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:8px;font-size:17px;display:flex}.chk-list h3 span{font-size:22px;font-weight:700}.chk-list ul,.chk-list ol{gap:6px;margin:0;padding-inline-start:22px;font-size:16px;line-height:1.45;display:grid}.chk-list em{color:var(--muted);border-bottom:2px dotted #5baee1;margin-inline-start:8px;font-size:13px;font-style:normal}.chk-none{color:var(--muted)}.chk-warn{background:#fdf0f0;border-inline-start:6px solid #ef7b7b;border-radius:16px;flex-wrap:wrap;align-items:center;gap:12px;padding:14px 16px;display:flex}.chk-warn p{flex:1;min-width:200px}.chk-choice{border:0;gap:10px;margin:0;padding:0;display:grid}.chk-choice legend{color:var(--navy);margin-bottom:8px;font-size:19px;font-weight:700}.chk-opt{border:2px solid var(--line);cursor:pointer;border-radius:18px;grid-template-columns:auto 1fr;align-items:start;gap:14px;padding:16px 18px;display:grid}.chk-opt input{width:24px;height:24px;accent-color:var(--navy);margin-top:2px}.chk-opt.on{border-color:var(--navy);background:#f3faff}.chk-opt.off{opacity:.55;cursor:default}.chk-opt span{gap:3px;display:grid}.chk-opt b{color:var(--navy);font-size:18px}.chk-opt small{color:var(--muted);font-size:15px;line-height:1.5}.chk-choice-row{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.chk-msg{color:#3e5a12;font-weight:600}.chk-res-foot{color:var(--muted);border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:14px;font-size:14px;display:flex}.chk-link{color:var(--navy);font-weight:600;text-decoration:underline}.chk-manual{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.chk-manual label{color:var(--navy);font-weight:600}.chk-manual select{border:2px solid var(--line);height:44px;font:inherit;border-radius:12px;padding:0 12px}.chk-result-end{flex-wrap:wrap;gap:12px;display:flex}.chk-card{gap:14px;margin:0 0 24px;padding:22px 24px;display:grid}.chk-card-head .section-h{margin:4px 0 6px}.chk-card-rows{grid-template-columns:1fr 1fr;gap:12px;margin:0;padding:0;list-style:none;display:grid}.chk-card-rows li{align-items:center;gap:12px;display:flex}.chk-card-rows .chk-subject-mark{border-radius:14px;width:44px;height:44px;font-size:15px}.chk-card-txt{gap:2px;display:grid}.chk-card-txt b{color:var(--navy)}.chk-card-txt small{color:var(--muted);font-size:14px;line-height:1.45}.chk-card-next{color:var(--navy)!important}.chk-card-actions{flex-wrap:wrap;gap:10px;display:flex}@media (width<=860px){.chk-setup,.chk-q.with-pad,.chk-res-lists,.chk-card-rows{grid-template-columns:1fr}}@media (width<=520px){.chk-wrap{padding-top:18px}.chk-form,.chk-res{padding:18px 16px}.chk-sheet{padding:14px}.chk-sheet .item-prompt{font-size:23px}.chk-top-title{display:none}.chk-next-row{justify-content:space-between}.chk-next{flex:1}.chk-big{width:100%;min-width:0}}@media (prefers-reduced-motion:reduce){.chk-pip img,.chk-pip .math-buddy{animation:none}.chk-track i,.chk-flyer{transition:none}}.fd{--fd-ink:#14305c;--fd-soft:#5a6f8e;--fd-line:#dce4ee;--fd-ease:cubic-bezier(.22, 1, .36, 1);min-height:100dvh;color:var(--fd-ink);font-family:var(--font);background:#d9effc;place-items:center;padding:32px 16px;display:grid;position:relative;overflow:hidden}.fd-bg{z-index:0;pointer-events:none;position:fixed;inset:0;overflow:hidden}.fd-blob{background:#e8f6fe;border-radius:50%;place-items:center;display:grid;position:absolute}.fd-blob svg{color:#d3ecfb;width:46%;margin-top:18%}.fd-blob.a{width:720px;height:720px;top:18vh;left:-380px}.fd-blob.b{width:520px;height:520px;top:-200px;right:-260px}.fd-blob.c{width:380px;height:380px;bottom:-300px;right:22vw}.fd-scene{z-index:0;position:fixed;inset:0;overflow:hidden}.fd.has-scene .fd-panel{box-shadow:0 24px 60px -24px #14305c59}.fd-tools{top:16px;gap:8px;display:flex;position:absolute;inset-inline-end:16px}.fd-panel:has(.fd-tools){padding-top:80px}.fd-panel{z-index:1;width:min(480px,100%);box-shadow:0 0 0 1px var(--fd-line), 0 12px 32px -20px #14305c40;background:#fff;border-radius:24px;padding:40px;position:relative}.fd-inner{width:min(400px,100%);animation:fd-rise .6s .1s var(--fd-ease) both;gap:20px;display:grid}.fd-head{gap:8px;display:grid}.fd-head-logo{margin-bottom:8px;display:block}.fd-head h1{font:600 28px/1.2 var(--font);color:var(--navy);letter-spacing:-.01em;margin:0}.fd-head p{color:var(--fd-soft);margin:0;font-size:15px;line-height:1.5}.fd-paused{color:#5c4300;background:#fff6de;border-radius:12px;margin:0;padding:12px 16px;font-size:14px;line-height:1.45}.fd-block{gap:8px;display:grid}.fd-h2{font:600 13px/1.2 var(--font);color:var(--fd-soft);letter-spacing:.02em;margin:0 0 4px}.fd-label{font:600 14px/1.3 var(--font);color:var(--fd-ink)}.fd-input{border:1.5px solid var(--fd-line);width:100%;height:52px;font:500 17px var(--font);color:var(--fd-ink);background:#fff;border-radius:14px;padding:0 16px;transition:border-color .15s,box-shadow .15s}.fd-input:hover{border-color:#c3d0df}.fd-input:focus{border-color:var(--navy);outline:none;box-shadow:0 0 0 3px #134da024}.fd-otp{letter-spacing:.3em;text-align:center;font-size:22px}.fd-hint{color:var(--fd-soft);font-size:13px}.fd-note{color:var(--fd-ink);margin:0;font-size:15px;line-height:1.5}.fd-ways{color:var(--fd-soft);gap:4px;margin:0 0 4px;padding-inline-start:20px;font-size:14px;line-height:1.45;display:grid}.fd-err{color:#8a1f1f;background:#fdecec;border-radius:12px;margin:0;padding:10px 14px;font-size:14px;line-height:1.45}.fd-btn{background:var(--navy);color:#fff;height:52px;font:600 16px var(--font);transition:transform .15s var(--fd-ease), background .15s;border-radius:14px;margin-top:8px}.fd-btn:hover:not(:disabled){background:#0f418a}.fd-btn:active:not(:disabled){transform:scale(.985)}.fd-btn:disabled{opacity:.55;cursor:not-allowed}.fd-links{flex-wrap:wrap;gap:4px 20px;display:flex}.fd-links button{min-height:44px;font:600 14px var(--font);color:var(--navy);text-underline-offset:4px;-webkit-text-decoration:underline #b8c8dc;text-decoration:underline #b8c8dc}.fd-links button:hover{text-decoration-color:currentColor}.fd-child{background:#f5f8fb;border-radius:20px;padding:20px}.fd-child-label{font:600 20px/1.2 var(--book-font);color:var(--navy)}.fd-child-row{gap:8px;margin-top:4px;display:flex}.fd-child-input{min-width:0;height:60px;font:600 24px var(--book-font);letter-spacing:.12em;text-align:center;text-transform:uppercase;flex:1}.fd-go{color:#fff;height:60px;font:700 20px var(--book-font);transition:transform .15s var(--fd-ease), box-shadow .15s;background:#a2c466;border-radius:16px;flex:none;align-items:center;gap:8px;padding:0 20px 0 24px;display:inline-flex;box-shadow:0 4px #7fa43f}.fd-go:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 5px #7fa43f}.fd-go:active:not(:disabled){transform:translateY(3px);box-shadow:0 1px #7fa43f}.fd-go:disabled{opacity:.5;cursor:not-allowed}.fd-demo{border:1px dashed var(--fd-line);color:var(--fd-soft);border-radius:16px;padding:16px;font-size:13px;line-height:1.6}.fd-demo a{color:var(--navy);text-underline-offset:3px;font-weight:600;text-decoration:underline}.fd-foot{color:var(--fd-soft);gap:8px;font-size:13px;line-height:1.5;display:grid}.fd-foot a{color:var(--navy);text-underline-offset:3px;font-weight:600;-webkit-text-decoration:underline #b8c8dc;text-decoration:underline #b8c8dc}.fd-foot .legal-foot{justify-content:flex-start;margin:0;padding:0}.fd-soon-note{font:600 16px var(--font);color:var(--sky,#2698dd);margin:0}.fd-soon .fd-head h1{font-size:30px}@keyframes fd-in{0%{opacity:0}}@keyframes fd-rise{0%{opacity:0;transform:translateY(10px)}}@media (prefers-reduced-motion:reduce){.fd *,.fd{transition:none!important;animation:none!important}}@media (width<=560px){.fd{place-items:start center;padding:16px}.fd-panel{padding:24px 20px}.fd-panel:has(.fd-tools){padding-top:64px}.fd-head h1{font-size:24px}}@media (width<=360px){.fd-child-input{letter-spacing:.06em;font-size:20px}.fd-go{padding:0 16px}}.fd-sso{gap:8px;margin-top:4px;display:grid}.fd-foot a.fd-quiet{color:var(--fd-soft);font-weight:500}.fd-tabs{background:#eef4fa;border-radius:14px;grid-template-columns:1fr 1fr;padding:4px;display:grid}.fd-tabs button{height:44px;font:600 15px var(--font);color:var(--fd-soft);cursor:pointer;background:0 0;border:0;border-radius:10px}.fd-tabs button.on{color:var(--navy);background:#fff;box-shadow:0 1px 3px #14305c24}.fd-tabs button{padding:0 6px}.fd-kind-note{color:var(--fd-soft);margin-top:-6px;font-size:14px;line-height:1.55}.fd-kind-note a{color:var(--navy);font-weight:600}.fd .sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;margin:-1px;position:absolute;overflow:hidden}body:has(.fd) .oh-tab{display:none}@media (width>=821px) and (height<=960px){.fd-panel{padding-top:32px;padding-bottom:32px}.fd-panel:has(.fd-tools){padding-top:64px}.fd-inner{gap:14px}.fd-head h1{font-size:24px}.fd-input,.fd-btn{height:48px}.fd-btn{margin-top:4px}.fd-links button{min-height:44px}.fd-child{padding:14px 16px}.fd-child-input,.fd-go{height:56px}.fd-demo{padding:10px 14px}.fd-head p{font-size:14px}.fd-h2{margin:0}.fd-block{gap:6px}.fd-foot{gap:4px}}.fd-kids{background:#e8f6fe;border-radius:22px;gap:14px;padding:18px 20px 20px;display:grid}.fd-kids-head{align-items:center;gap:12px;margin:-6px 0 -4px;display:flex}.fd-kids-head .mmp{flex:none}.fd-kids-h{font:800 34px/1.05 Teachers, var(--book-font), sans-serif;color:var(--navy,#134da0);margin:0}.fd-scan{color:#fff;width:100%;height:84px;font:800 28px/1 Teachers, var(--book-font), sans-serif;transition:transform .15s var(--fd-ease), box-shadow .15s;background:#a2c466;border-radius:20px;justify-content:center;align-items:center;gap:14px;display:flex;box-shadow:0 5px #7fa43f}.fd-scan:hover{transform:translateY(-1px);box-shadow:0 6px #7fa43f}.fd-scan:active{transform:translateY(4px);box-shadow:0 1px #7fa43f}.fd-scan:focus-visible{outline:3px solid var(--navy,#134da0);outline-offset:3px}.fd-kids-code{gap:6px;display:grid}.fd-kids-or{font:700 20px/1.2 Teachers, var(--book-font), sans-serif;color:var(--navy,#134da0);text-align:center}.fd-kids .fd-child-input{background:#fff;border-color:#bfddf2}.fd-kids .fd-hint{text-align:center}.fd-kids+.fd-block,.fd-kids+.fd-paused+.fd-block{padding-top:6px}.qrs{z-index:60;background:#0e2a52b8;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.qrs-box{background:#fff;border-radius:26px;justify-items:center;gap:14px;width:min(560px,100%);padding:24px;display:grid}.qrs-title{text-align:center;font:800 30px/1.15 Teachers, var(--book-font), sans-serif;color:var(--navy,#134da0);margin:0}.qrs-cam{aspect-ratio:1;background:#0e2a52;border-radius:20px;place-items:center;width:100%;display:grid;position:relative;overflow:hidden}.qrs-cam video{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.qrs-frame{position:absolute;inset:16%}.qrs-frame i{border:6px solid #a2c466;width:44px;height:44px;position:absolute}.qrs-frame i:first-child{border-bottom:0;border-right:0;border-radius:14px 0 0;top:0;left:0}.qrs-frame i:nth-child(2){border-bottom:0;border-left:0;border-radius:0 14px 0 0;top:0;right:0}.qrs-frame i:nth-child(3){border-top:0;border-right:0;border-radius:0 0 0 14px;bottom:0;left:0}.qrs-frame i:nth-child(4){border-top:0;border-left:0;border-radius:0 0 14px;bottom:0;right:0}.qrs-line{background:#a2c466;border-radius:2px;height:4px;animation:2.2s ease-in-out infinite alternate qrs-sweep;position:absolute;left:18%;right:18%;box-shadow:0 0 12px #a2c466}@keyframes qrs-sweep{0%{top:20%}to{top:78%}}@media (prefers-reduced-motion:reduce){.qrs-line{animation:none;top:50%}}.qrs-err{text-align:center;color:#fff;font:700 22px/1.3 Teachers, var(--book-font), sans-serif;margin:0;padding:24px}.qrs-hint{text-align:center;font:600 18px/1.35 var(--book-font);color:#4a5b70;margin:0}.qrs-close{min-width:180px;height:56px;color:var(--navy,#134da0);font:700 20px var(--book-font);background:#e8f6fe;border-radius:16px;padding:0 28px}.em-page{background:#fff}.em-band{background:var(--tint) var(--pat-soft) repeat}.em-band .legal-in{justify-content:space-between;align-items:center;gap:16px;max-width:600px;padding:32px 0;display:flex}.em-kind{letter-spacing:.14em;text-transform:uppercase;color:var(--navy);font-size:11px;font-weight:600}.em-page[dir=rtl] .em-kind,.em-page[dir=rtl] .em-label{letter-spacing:0}.em-body{max-width:600px;gap:16px!important;padding-top:48px!important}.em-body h1{letter-spacing:-.02em;font-size:40px;font-weight:700;line-height:46px}.em-page[dir=rtl] .em-body h1{letter-spacing:0}.em-lede{color:#3b4b63;margin:0;font-size:18px;line-height:28px}.em-label{border-bottom:1px solid var(--navy);letter-spacing:.16em;text-transform:uppercase;color:var(--navy);width:100%;margin:32px 0 0;padding-bottom:12px;font-size:11px;font-weight:600;line-height:16px}.em-ask{background:var(--tint);border-inline-start:3px solid var(--navy);border-radius:0 16px 16px 0;gap:8px;padding:32px;display:grid}.em-page[dir=rtl] .em-ask{border-radius:16px 0 0 16px}.em-ask h2{color:var(--navy);margin:0;font-size:24px;line-height:32px}.em-ask p{color:var(--muted);margin:0}.em-ask-go{flex-wrap:wrap;gap:12px;margin-top:16px;display:flex}.em-list{margin:0;padding:0;list-style:none}.em-list li:last-child .em-row{border-bottom:0}.em-row{cursor:pointer;border-bottom:1px solid #e3eaf2;grid-template-columns:1fr auto auto;align-items:center;gap:16px;padding:20px 0;display:grid}.em-row span{gap:4px;min-width:0;display:grid}.em-row b{color:#22324a;font-size:16px;font-weight:600;line-height:22px}.em-row small{color:#5b6b82;font-size:13px;line-height:18px}.em-row input{width:22px;height:22px;accent-color:var(--navy)}.em-row i{color:var(--muted);min-width:56px;font-size:13px;font-style:normal}.em-lang{border:0;flex-wrap:wrap;align-items:center;gap:16px 32px;margin:0;padding:0;display:flex}.em-lang legend{float:inline-start;margin-bottom:16px}.em-lang label{cursor:pointer;align-items:center;gap:8px;font-size:16px;display:inline-flex}.em-lang input{accent-color:var(--navy);width:18px;height:18px}.em-msg{color:var(--navy);margin:0;font-weight:600}@media (width<=600px){.em-body h1{font-size:32px;line-height:40px}.em-band .legal-in{padding:24px 0}.em-ask{padding:24px}}
