@import "https://fonts.googleapis.com/css2?family=Baloo+2:wght@500;600;700;800&family=Hind:wght@400;500;600;700&display=swap";:root{--p-900:#3b2266;--p-700:#5b36a0;--p-600:#6c45b5;--p-500:#7e57c2;--p-300:#b39ddb;--p-100:#ede4f9;--p-50:#f7f1fd;--k-600:#cf4585;--k-500:#e75f9f;--k-300:#f6a9cb;--k-100:#fde3ee;--k-50:#fff4f9;--ink:#2e2447;--muted:#6e6489;--line:#e6d9f5;--white:#fff;--ok:#e3f6ec;--ok-line:#6cc596;--ok-ink:#1f6b46;--bad:#fde8ec;--bad-line:#e5798f;--bad-ink:#a62a47;--sun:#fff3c9;--sun-line:#f0cf62;--sun-ink:#7a5b00;--radius:18px;--radius-sm:12px;--shadow:0 8px 24px #7e57c21f;--shadow-sm:0 2px 8px #7e57c214;--font:"Hind", "Noto Sans Devanagari", sans-serif;--font-head:"Baloo 2", "Hind", "Noto Sans Devanagari", sans-serif;--gal-h:260px}*{box-sizing:border-box}body{font-family:var(--font);color:var(--ink);background:linear-gradient(135deg, var(--k-50) 0%, var(--p-50) 100%);background-attachment:fixed;margin:0;font-size:17px;font-weight:500;line-height:1.75}button{font-family:var(--font-head);cursor:pointer;-webkit-tap-highlight-color:transparent;line-height:1.4}h1,h2,h3,.page-title,.poem-title,.sb-main-title,.done-text,.rule-big,.vt-word{font-family:var(--font-head)}.lesson-card{min-height:100vh;display:flex}.family-sidebar{background:var(--white);border-right:1px solid var(--line);flex-direction:column;flex-shrink:0;gap:10px;width:280px;height:100vh;padding:20px 16px;display:flex;position:sticky;top:0;overflow-y:auto}.main-stage{flex:1;max-width:1100px;padding:30px 38px 56px;overflow-x:hidden}.page{display:none}.page.active-page{animation:.3s fadeUp;display:block}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.sb-header{text-align:center;border-bottom:1px solid var(--line);margin-bottom:8px;padding-bottom:14px}.sb-emoji-ring{background:linear-gradient(135deg, var(--k-100), var(--p-100));border-radius:50%;place-items:center;width:68px;height:68px;margin:0 auto 10px;font-size:2rem;display:grid}.sb-main-title{color:var(--p-900);font-size:1.35rem;font-weight:700;line-height:1.3}.sb-grade-badge{background:var(--p-100);color:var(--p-700);font-family:var(--font-head);border-radius:20px;margin-top:4px;padding:0 14px;font-size:.88rem;font-weight:600;display:inline-block}.sb-theme-tag{color:var(--muted);margin-top:4px;font-size:.88rem}.btn-side{background:var(--white);width:100%;color:var(--p-900);border:1.5px solid var(--line);text-align:left;box-shadow:0 3px 0 var(--line);border-radius:16px;align-items:center;gap:12px;padding:8px 12px;font-size:1.05rem;font-weight:600;transition:transform .12s,box-shadow .12s,border-color .12s,background .12s;display:flex}.btn-side:hover{border-color:var(--p-300);background:var(--p-50);box-shadow:0 4px 0 var(--p-100);transform:translateY(-1px)}.btn-side:active{box-shadow:0 1px 0 var(--line);transform:translateY(2px)}.btn-side.active{background:linear-gradient(135deg, var(--p-500), var(--k-500));color:#fff;box-shadow:0 4px 0 var(--p-700), 0 8px 16px #7e57c240;border-color:#0000}.btn-side.done:not(.active){background:var(--ok);border-color:#bfe8d0;box-shadow:0 3px #bfe8d0}.nb-icon{background:var(--p-50);border-radius:12px;flex-shrink:0;place-items:center;width:36px;height:36px;font-size:1.15rem;display:grid}.btn-side.active .nb-icon{background:#ffffff40}.nb-label{flex:1}.nb-tick{font-size:.9rem}.sb-footer{text-align:center;color:var(--muted);margin-top:auto;padding-top:10px;font-size:.82rem}.page-title{color:var(--p-900);align-items:center;gap:14px;font-size:2rem;font-weight:700;line-height:1.3;display:flex}.icon-badge{background:linear-gradient(135deg, var(--p-500), var(--k-500));color:#fff;width:48px;height:48px;box-shadow:0 4px 0 var(--p-700);border-radius:15px;flex-shrink:0;place-items:center;font-size:1.1rem;display:grid}.page-sub{color:var(--muted);margin:6px 0 22px;font-size:1.05rem;font-weight:500}.flex-btw{justify-content:space-between;gap:12px;margin-top:34px;display:flex}.btn-soft-back,.btn-soft-next{border-radius:999px;align-items:center;gap:8px;padding:9px 28px;font-size:1.1rem;font-weight:700;transition:transform .12s,box-shadow .12s;display:inline-flex}.btn-soft-back{background:var(--white);color:var(--p-700);border:1.5px solid var(--p-300);box-shadow:0 4px 0 var(--p-100)}.btn-soft-back:hover{background:var(--p-50);transform:translateY(-1px)}.btn-soft-next{background:linear-gradient(135deg, var(--p-500), var(--k-500));color:#fff;box-shadow:0 5px 0 var(--p-700), 0 10px 18px #7e57c238;border:0}.btn-soft-next:hover{transform:translateY(-1px)}.btn-soft-back:active,.btn-soft-next:active{box-shadow:0 1px 0 var(--p-700);transform:translateY(3px)}.hint-box{background:var(--sun);border:1px solid var(--sun-line);border-radius:var(--radius);align-items:flex-start;gap:10px;margin-bottom:18px;padding:11px 16px;font-weight:600;display:flex}.hint-emoji{font-size:1.35rem}.col-title,.card-title{font-family:var(--font-head);color:var(--p-700);margin:0 0 10px;font-size:1.1rem;font-weight:700;display:block}.btn-main{background:linear-gradient(135deg, var(--p-500), var(--k-500));color:#fff;box-shadow:0 4px 0 var(--p-700), 0 8px 16px #7e57c233;border:0;border-radius:999px;margin:8px 0;padding:8px 26px;font-size:1.05rem;font-weight:700;transition:transform .12s,box-shadow .12s}.btn-main:hover:not(:disabled){transform:translateY(-1px)}.btn-main:active:not(:disabled){box-shadow:0 1px 0 var(--p-700);transform:translateY(3px)}.btn-main.playing{background:linear-gradient(135deg,#ef7a93,#d9506f);box-shadow:0 4px #a62a47}.btn-main:disabled{opacity:.65;cursor:default}.btn-mini{background:var(--white);border:1.5px solid var(--p-300);color:var(--p-700);box-shadow:0 3px 0 var(--p-100);border-radius:999px;padding:2px 16px;font-size:.95rem;font-weight:600;transition:transform .12s}.btn-mini:hover{background:var(--p-50);transform:translateY(-1px)}.btn-mini:active{box-shadow:none;transform:translateY(2px)}.note{color:var(--muted);font-weight:500}.note-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);color:var(--muted);box-shadow:var(--shadow-sm);margin-top:16px;padding:14px 18px;font-weight:500}.prog-row,.ctrl-bar{flex-wrap:wrap;align-items:center;gap:14px;margin:0 0 16px;display:flex}.prog-bar{background:var(--white);border:1px solid var(--line);border-radius:20px;flex:1;min-width:140px;height:12px;overflow:hidden}.prog-fill{background:linear-gradient(90deg, var(--p-300), var(--k-500));border-radius:20px;width:0;height:100%;transition:width .4s}.prog-label{font-family:var(--font-head);color:var(--p-700);font-weight:600}.done-banner{text-align:center;background:linear-gradient(135deg, var(--k-50), var(--p-50));border:1.5px solid var(--k-300);opacity:0;border-radius:24px;margin-top:22px;padding:22px;transition:all .4s;display:none;transform:scale(.95)}.done-banner.visible{opacity:1;transform:none}.done-emoji{font-size:2.4rem}.done-text{color:var(--p-900);font-size:1.4rem;font-weight:700}.done-sub{color:var(--muted);font-weight:500}.done-stars{font-size:1.3rem;display:block}.cp{z-index:9999;pointer-events:none;animation:linear forwards fall;position:fixed}@keyframes fall{to{opacity:.8;transform:translateY(105vh)rotate(540deg)}}.vocab-pill,.vocab-pill-demo{background:var(--k-100);color:var(--p-700);cursor:pointer;border-bottom:2px dashed var(--k-500);border-radius:8px;padding:0 7px;font-weight:700}.vocab-pill:hover{background:var(--k-300)}.vocab-pill-demo{cursor:default}.vocab-tooltip{z-index:10000;background:var(--white);border:1.5px solid var(--p-300);border-radius:var(--radius);padding:14px 16px;display:none;position:fixed;box-shadow:0 12px 32px #5b36a038}.vocab-tooltip.vt-visible{display:block}.vt-close{color:var(--muted);background:0 0;border:0;font-size:1rem;position:absolute;top:6px;right:8px}.vt-word{color:var(--p-700);font-size:1.4rem;font-weight:700}.vt-badge{background:var(--p-100);color:var(--p-700);border-radius:10px;padding:0 10px;font-size:.82rem;font-weight:600;display:inline-block}.poet-box{background:var(--white);border-left:5px solid var(--k-500);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);margin-bottom:14px;padding:12px 16px}.poem-card{background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:26px;padding:24px 28px}.poem-controls{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.poem-title{text-align:center;color:var(--p-900);margin:6px 0 16px;font-size:1.7rem;font-weight:700}.poem-stanza{border-bottom:1px dashed var(--p-300);text-align:center;margin-bottom:18px;padding-bottom:14px}.poem-stanza:last-child{border-bottom:0;margin-bottom:0}.stanza-label{font-family:var(--font-head);color:var(--p-700);background:var(--p-100);border-radius:12px;margin-bottom:6px;padding:0 14px;font-size:.85rem;font-weight:600;display:inline-block}.poem-line{border-radius:10px;padding:3px 12px;font-size:1.35rem;font-weight:500;transition:all .25s}.poem-line.active{background:var(--k-100);color:var(--p-900);box-shadow:inset 0 0 0 1.5px var(--k-300);font-weight:600;transform:scale(1.02)}.rule-row{flex-wrap:wrap;gap:12px;margin-bottom:16px;display:flex}.rule-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);text-align:center;min-width:150px;box-shadow:var(--shadow-sm);flex:1;padding:14px}.rule-big{color:var(--p-700);font-size:1.7rem;font-weight:700;line-height:1.4}.rule-label{color:var(--muted);font-weight:500}.ex-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);margin-bottom:12px;padding:14px 16px}.ex-head{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.ex-num{background:linear-gradient(135deg, var(--p-500), var(--k-500));color:#fff;width:32px;height:32px;font-family:var(--font-head);border-radius:50%;place-items:center;font-weight:700;display:grid}.seg-row{flex-wrap:wrap;gap:8px;display:flex}.seg{text-align:center;border:1.5px solid;border-radius:14px;flex:1;min-width:110px;padding:8px}.seg-0{background:var(--p-50);border-color:var(--p-300)}.seg-1{background:var(--k-50);border-color:var(--k-300)}.seg-2{background:#eef4ff;border-color:#a9c1f0}.seg-3{background:var(--sun);border-color:var(--sun-line)}.seg-text{font-size:1.25rem;font-weight:600}.seg-count{font-family:var(--font-head);color:var(--p-700);font-size:.92rem;font-weight:600}.seg-pause{color:var(--muted);font-size:.8rem}.steps{margin:8px 0 0;padding-left:4px;list-style:none}.steps li{margin-bottom:2px}.pron-grid{grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:16px;display:grid}.pron-card{background:var(--white);border:1.5px solid var(--line);text-align:center;cursor:pointer;box-shadow:0 4px 0 var(--line);border-radius:20px;padding:16px 10px;transition:all .15s;position:relative}.pron-card:hover{border-color:var(--p-300);box-shadow:0 7px 0 var(--p-100);transform:translateY(-3px)}.pron-card:active{box-shadow:0 1px 0 var(--line);transform:translateY(2px)}.pron-card.speaking{background:var(--k-50);border-color:var(--k-500);transform:scale(1.03)}.pron-card.done{border-color:var(--p-300);background:var(--p-50)}.pron-emoji{font-size:2rem}.pron-word{font-family:var(--font-head);color:var(--p-900);font-size:1.7rem;font-weight:700;line-height:1.5}.pron-split{color:var(--k-600);font-size:1.1rem;font-weight:600}.pron-note{color:var(--muted);font-size:.85rem}.pron-tag{color:var(--p-500);margin-top:4px;font-size:.88rem;font-weight:600}.pron-tick{position:absolute;top:8px;right:10px}.vm-wrap{grid-template-columns:1fr 1fr;gap:20px;display:grid}.vocab-item{background:var(--white);border:1.5px solid var(--line);cursor:pointer;box-shadow:0 3px 0 var(--line);border-radius:14px;align-items:center;gap:10px;margin-bottom:12px;padding:10px 14px;font-size:1.08rem;font-weight:600;transition:all .12s;display:flex}.vocab-item:hover{border-color:var(--p-300);transform:translateY(-1px)}.vocab-item.selected{background:var(--k-50);border-color:var(--k-500);box-shadow:0 3px 0 var(--k-300)}.vocab-item.wrong,.q-opt.wrong,.drop-zone.wrong{animation:.45s shake;background:var(--bad)!important;border-color:var(--bad-line)!important}.vocab-item.matched{cursor:default;box-shadow:none;transform:none}.mc-0{background:#efe6fb;border-color:#9b7ad6}.mc-1{background:#ffe6f0;border-color:#ef86b4}.mc-2{background:#e8f0ff;border-color:#86a8e8}.mc-3{background:#e6f7ef;border-color:#6cc596}.mc-4{background:#fff3cf;border-color:#e6c458}.mc-5{background:#ffe9e0;border-color:#ee9c7b}.mc-6{background:#e3f6f6;border-color:#6cc3c3}.match-score{text-align:center;font-family:var(--font-head);background:var(--k-50);border:1.5px solid var(--k-300);color:var(--p-900);border-radius:20px;margin-top:10px;padding:14px;font-size:1.25rem;font-weight:700;display:none}@keyframes shake{20%,60%{transform:translate(-6px)}40%,80%{transform:translate(6px)}}.chip-bank{background:var(--white);border:1.5px dashed var(--p-300);border-radius:20px;margin-bottom:14px;padding:14px 16px}.word-chip{font-family:var(--font-head);background:var(--p-50);border:1.5px solid var(--p-300);color:var(--p-900);cursor:pointer;box-shadow:0 3px 0 var(--p-300);border-radius:999px;margin:5px 4px 8px;padding:2px 18px;font-size:1.15rem;font-weight:600;transition:transform .12s,box-shadow .12s,background .12s;display:inline-block}.word-chip:hover{background:var(--p-100);transform:translateY(-1px)}.word-chip:active{box-shadow:0 1px 0 var(--p-300);transform:translateY(2px)}.word-chip.selected{background:var(--k-100);border-color:var(--k-500);box-shadow:0 3px 0 var(--k-500);transform:translateY(-1px)scale(1.05)}.word-chip.used{opacity:.35;pointer-events:none;box-shadow:none}.drag-card{background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:22px;padding:18px 22px}.drag-card .card-title{clear:both;text-indent:0;width:100%;margin:0 0 6px;float:none!important;display:block!important}.drag-sent{clear:both;text-indent:0;text-align:left;border-top:1px dashed var(--line);width:100%;margin:0;padding:10px 0;font-size:1.2rem;font-weight:500;line-height:2.1;float:none!important;display:block!important}.drag-sent:first-of-type{border-top:0}.drag-sent>b{font-family:var(--font-head);color:var(--p-500);margin-right:4px}.drop-zone{text-align:center;border-bottom:2px dashed var(--p-300);background:var(--p-50);min-width:130px;color:var(--muted);cursor:pointer;border-radius:8px;padding:0 10px;font-size:.98rem;line-height:1.7;display:inline-block}.drop-zone.ready{background:var(--k-50);border-bottom-color:var(--k-500);color:var(--k-600)}.drop-zone.filled{color:var(--ok-ink);border-bottom:2px solid var(--ok-line);background:var(--ok);font-size:1.15rem;font-weight:700}.q-card{background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:22px;margin-bottom:16px;padding:18px 22px}.q-text{font-family:var(--font-head);color:var(--p-900);align-items:flex-start;gap:10px;font-size:1.25rem;font-weight:600;line-height:1.6;display:flex}.q-badge{font-size:1.5rem}.q-opts{gap:12px;margin-top:14px;display:grid}.q-opt{text-align:left;background:var(--white);border:1.5px solid var(--p-300);color:var(--ink);box-shadow:0 4px 0 var(--p-100);border-radius:14px;padding:8px 18px;font-size:1.12rem;font-weight:600;transition:transform .12s,box-shadow .12s,background .12s}.q-opt:hover:not(:disabled){background:var(--p-50);box-shadow:0 5px 0 var(--p-100);transform:translateY(-1px)}.q-opt:active:not(:disabled){box-shadow:0 1px 0 var(--p-100);transform:translateY(3px)}.q-opt.correct{background:var(--ok);border-color:var(--ok-line);color:var(--ok-ink);box-shadow:0 4px #bfe8d0}.q-opt:disabled:not(.correct){opacity:.6;cursor:default}.tf-row{gap:14px;margin-top:14px;display:flex}.q-opt.tf{text-align:center;flex:1}.fb{border-radius:12px;margin-top:10px;padding:8px 14px;font-weight:600;display:none}.fb.show{display:block}.fb.ok{background:var(--ok);color:var(--ok-ink)}.fb.no{background:var(--bad);color:var(--bad-ink)}.q-card .fb.ok:not(.show){display:none}.sa-text{border:1.5px solid var(--p-300);width:100%;min-height:90px;font-family:var(--font);background:var(--p-50);color:var(--ink);resize:vertical;border-radius:14px;margin-top:12px;padding:10px 14px;font-size:1.1rem;font-weight:500}.sa-text:focus{border-color:var(--k-500);background:var(--white);box-shadow:0 0 0 3px var(--k-100);outline:none}.model-ans{background:var(--sun);border-left:5px solid var(--sun-line);border-radius:12px;margin-top:10px;padding:10px 14px;font-weight:500;display:none}.model-ans.show{display:block}.model-label{font-family:var(--font-head);color:var(--sun-ink);font-weight:700}.family-sidebar::-webkit-scrollbar{width:6px}.family-sidebar::-webkit-scrollbar-thumb{background:var(--p-300);border-radius:6px}@media (width<=800px){.lesson-card{flex-direction:column}.family-sidebar{border-right:0;border-bottom:1px solid var(--line);flex-direction:row;gap:8px;width:100%;height:auto;padding:10px;position:static;overflow-x:auto}.sb-header,.sb-footer{display:none}.btn-side{flex-shrink:0;width:auto;padding:6px}.btn-side .nb-label,.btn-side .nb-tick{display:none}.main-stage{padding:18px 14px 40px}.vm-wrap{grid-template-columns:1fr}.poem-line{font-size:1.15rem}.page-title{font-size:1.5rem}.tf-row{flex-direction:column}}.fc-card{background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:22px;margin-bottom:16px;padding:18px 22px;transition:border-color .2s,background .2s}.fc-card.solved{border-color:var(--ok-line);background:#fafffc}.fc-sent{text-align:left;font-size:1.25rem;font-weight:500;line-height:2.1}.fc-num{font-family:var(--font-head);color:var(--p-500);margin-right:4px}.fc-blank{text-align:center;background:var(--p-50);min-width:130px;color:var(--p-500);border:0;border-radius:8px;padding:0 12px;line-height:1.6;display:inline-block}.fc-blank.filled{color:var(--ok-ink);background:var(--ok);font-weight:700}.fc-opts{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:12px;display:grid}.fc-opt{background:var(--white);border:1.5px solid var(--p-300);color:var(--ink);text-align:center;box-shadow:0 4px 0 var(--p-100);border-radius:14px;padding:8px 12px;font-size:1.12rem;font-weight:600;transition:transform .12s,box-shadow .12s,background .12s}.fc-opt:hover:not(:disabled){background:var(--p-50);transform:translateY(-1px)}.fc-opt:active:not(:disabled){box-shadow:0 1px 0 var(--p-100);transform:translateY(3px)}.fc-opt.correct{background:var(--ok);border-color:var(--ok-line);color:var(--ok-ink);box-shadow:0 4px #bfe8d0}.fc-opt.wrong{background:var(--bad);border-color:var(--bad-line);animation:.45s shake}.fc-opt:disabled:not(.correct){opacity:.5;cursor:default}@media (width<=800px){.fc-opts{grid-template-columns:1fr}}.tip-box{background:var(--sun);border-color:var(--sun-line);color:var(--sun-ink)}.gal-grid{grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:26px;display:grid}.gal-card{background:var(--white);border:1.5px solid var(--line);cursor:pointer;box-shadow:0 5px 0 var(--line), var(--shadow-sm);border-radius:22px;transition:transform .15s,box-shadow .15s,border-color .15s;animation:.4s both fadeUp;position:relative;overflow:hidden}.gal-card:hover{border-color:var(--p-300);box-shadow:0 8px 0 var(--p-100), var(--shadow);transform:translateY(-5px)}.gal-card:active{box-shadow:0 2px 0 var(--line);transform:translateY(2px)}.gal-num{z-index:3;width:34px;height:34px;font-family:var(--font-head);color:#fff;background:linear-gradient(135deg, var(--p-500), var(--k-500));box-shadow:0 3px 0 var(--p-700);border-radius:50%;place-items:center;font-weight:700;display:grid;position:absolute;top:10px;left:12px}.gal-badge{z-index:3;color:var(--p-700);border:1.5px solid var(--p-300);font-family:var(--font-head);opacity:0;background:#fffffff2;border-radius:999px;padding:0 12px;font-size:.85rem;font-weight:600;transition:all .2s;position:absolute;top:10px;right:12px;transform:translateY(-4px)}.gal-card:hover .gal-badge{opacity:1;transform:none}.gal-imgwrap{height:var(--gal-h);background:linear-gradient(135deg, var(--k-100), var(--p-100));overflow:hidden}.gal-img{object-fit:contain;object-position:center;width:100%;height:100%;transition:transform .35s;display:block}.gal-card:hover .gal-img{transform:scale(1.03)}.gal-fallback{place-items:center;height:100%;font-size:4rem;display:grid}.gal-overlay{height:var(--gal-h);z-index:2;pointer-events:none;opacity:0;background:linear-gradient(#0000 35%,#3b2266e6);align-items:flex-end;padding:14px 16px;transition:opacity .25s;display:flex;position:absolute;top:0;left:0;right:0}.gal-card:hover .gal-overlay{opacity:1}.gal-overlay-text{color:#fff;-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:.98rem;font-weight:600;line-height:1.6;display:-webkit-box;overflow:hidden}.gal-footer{border-top:1px solid var(--line);background:linear-gradient(135deg, var(--white), var(--p-50));justify-content:space-between;align-items:center;gap:10px;padding:10px 16px 12px;display:flex}.gal-info{min-width:0}.gal-name{font-family:var(--font-head);color:var(--p-900);font-size:1.15rem;font-weight:700;line-height:1.4}.gal-tag{color:var(--muted);font-size:.85rem;font-weight:600}.gal-emoji{flex-shrink:0;font-size:1.9rem;transition:transform .2s}.gal-card:hover .gal-emoji{transform:scale(1.2)rotate(-8deg)}.gal-disc-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.gal-disc{background:var(--white);border:1px solid var(--line);border-left:5px solid var(--k-500);box-shadow:var(--shadow-sm);border-radius:16px;align-items:flex-start;gap:12px;padding:12px 16px;transition:transform .15s;animation:.4s both fadeUp;display:flex}.gal-disc:hover{transform:translate(4px)}.gal-disc-emoji{flex-shrink:0;font-size:1.5rem}.gal-disc-text{font-weight:600;line-height:1.7}.exp-speak{margin:0 0 14px}.exp-tabs{flex-wrap:wrap;gap:10px;margin-bottom:20px;display:flex}.exp-tab{background:var(--white);color:var(--p-900);border:1.5px solid var(--line);box-shadow:0 3px 0 var(--line);border-radius:999px;align-items:center;gap:8px;padding:4px 18px;font-size:1.05rem;font-weight:600;transition:transform .12s,box-shadow .12s,background .12s;display:inline-flex}.exp-tab:hover{background:var(--p-50);border-color:var(--p-300);transform:translateY(-1px)}.exp-tab.active{background:linear-gradient(135deg, var(--p-500), var(--k-500));color:#fff;box-shadow:0 4px 0 var(--p-700);border-color:#0000}.exp-tab-emoji{font-size:1.15rem}.exp-panel{display:none}.exp-panel.active{animation:.35s fadeUp;display:block}.exp-layout{flex-wrap:wrap;align-items:flex-start;gap:22px;margin-bottom:20px;display:flex}.exp-imgcard{border:1.5px solid var(--line);max-width:100%;min-height:240px;box-shadow:0 6px 0 var(--p-100), var(--shadow);background:linear-gradient(135deg, var(--k-100), var(--p-100));border-radius:24px;flex:0 0 340px;position:relative;overflow:hidden}.exp-imgcard img{object-fit:contain;object-position:center top;width:100%;height:340px;padding-bottom:70px;display:block}.exp-ribbon{background:linear-gradient(#0000,#3b2266eb);justify-content:space-between;align-items:flex-end;padding:22px 16px 12px;display:flex;position:absolute;bottom:0;left:0;right:0}.exp-ribbon-name{font-family:var(--font-head);color:#fff;font-size:1.25rem;font-weight:700;line-height:1.4}.exp-ribbon-tag{color:var(--k-100);font-size:.85rem;font-weight:600}.exp-ribbon-emoji{font-size:2rem}.exp-info{flex-direction:column;flex:1;gap:14px;min-width:240px;display:flex}.exp-desc{background:var(--white);border:1px solid var(--line);border-left:5px solid var(--p-500);box-shadow:var(--shadow-sm);border-radius:18px;padding:14px 18px}.exp-label{font-family:var(--font-head);color:var(--p-500);margin-bottom:4px;font-size:.9rem;font-weight:700}.exp-label-sun{color:var(--sun-ink)}.exp-desc-text,.exp-fact-text{font-weight:600;line-height:1.8}.exp-fact{background:var(--sun);border:1px solid var(--sun-line);border-left:5px solid var(--sun-line);border-radius:18px;align-items:flex-start;gap:12px;padding:14px 18px;display:flex}.exp-fact-icon{font-size:1.5rem}.exp-fact-text{color:var(--sun-ink)}.exp-questions{background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:22px;padding:16px 20px}.exp-q{background:var(--p-50);border:1px solid var(--line);border-radius:14px;align-items:flex-start;gap:12px;margin-bottom:10px;padding:10px 14px;transition:all .14s;display:flex}.exp-q:last-child{margin-bottom:0}.exp-q:hover{border-color:var(--p-300);transform:translate(4px)}.exp-q-num{width:28px;height:28px;font-family:var(--font-head);color:#fff;background:linear-gradient(135deg, var(--p-500), var(--k-500));border-radius:50%;flex-shrink:0;place-items:center;font-weight:700;display:grid}.exp-q-text{font-weight:600;line-height:1.7}.exp-dots{border-top:1px dashed var(--p-300);justify-content:center;gap:10px;margin-top:22px;padding-top:14px;display:flex}.exp-dot{background:var(--white);border:2px solid var(--p-300);cursor:pointer;border-radius:50%;width:12px;height:12px;transition:all .25s}.exp-dot.visited{background:var(--k-300);border-color:var(--k-500)}.exp-dot.active{background:var(--p-500);border-color:var(--p-700);transform:scale(1.4)}@media (width<=800px){:root{--gal-h:190px}.gal-grid{gap:12px}.gal-disc-grid{grid-template-columns:1fr}.exp-imgcard{flex-basis:100%}.exp-imgcard img{height:280px}}@media (width<=480px){:root{--gal-h:230px}.gal-grid{grid-template-columns:1fr}}@media (hover:none){.gal-badge{opacity:1;transform:none}}.reading-card{background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:26px;margin-bottom:22px;padding:26px 34px}.read-controls{border-bottom:1px dashed var(--p-300);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px;padding-bottom:10px;display:flex}.read-title{font-family:var(--font-head);color:var(--p-700);font-size:1.15rem;font-weight:700}.reading-card p{color:var(--ink);margin:0 0 16px;font-size:1.3rem;font-weight:500;line-height:2.1}.reading-card p:last-child{margin-bottom:0}.tts-word{border-radius:6px;transition:background .15s,box-shadow .15s}.tts-word.word-highlight{background:var(--k-100);box-shadow:0 2px 0 var(--k-500);color:var(--p-900)}@media (width<=800px){.reading-card{border-radius:20px;padding:18px 16px}.reading-card p{font-size:1.15rem;line-height:2}}.sa-figure{background:var(--white);border:1px solid var(--line);text-align:center;box-shadow:var(--shadow-sm);border-radius:22px;margin-bottom:18px;padding:14px}.sa-figure img{border-radius:14px;max-width:100%;max-height:420px}.sa-cap{color:var(--muted);margin-top:6px;font-weight:600}.dict-card{background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:26px;padding:22px 26px}.dict-controls{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.dict-text{min-height:200px;font-size:1.2rem;line-height:2}.seq-wrap{grid-template-columns:1fr 1fr;gap:20px;display:grid}.seq-item{text-align:left;background:var(--white);border:1.5px solid var(--p-300);width:100%;color:var(--ink);box-shadow:0 4px 0 var(--p-100);border-radius:14px;margin-bottom:12px;padding:8px 14px;font-size:1.05rem;font-weight:600;transition:all .12s;display:block}.seq-item:hover:not(:disabled){background:var(--p-50);transform:translateY(-1px)}.seq-item.placed{opacity:.35;box-shadow:none}.seq-item.wrong{background:var(--bad);border-color:var(--bad-line);animation:.45s shake}.seq-slot{background:var(--p-50);border:1.5px dashed var(--p-300);min-height:52px;color:var(--muted);border-radius:14px;align-items:center;gap:10px;margin-bottom:12px;padding:6px 12px;font-weight:600;display:flex}.seq-slot.filled{background:var(--ok);border:1.5px solid var(--ok-line);color:var(--ok-ink)}.seq-no{background:linear-gradient(135deg, var(--p-500), var(--k-500));color:#fff;width:30px;height:30px;font-family:var(--font-head);border-radius:50%;flex-shrink:0;place-items:center;font-weight:700;display:grid}@media (width<=800px){.seq-wrap{grid-template-columns:1fr}}@keyframes bob{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.ls-card{background:linear-gradient(135deg, var(--p-700), var(--k-600));color:#fff;box-shadow:var(--shadow);border-radius:26px;margin-bottom:22px;padding:22px 26px}.ls-head{align-items:center;gap:12px;margin-bottom:14px;display:flex}.ls-icon{font-size:2rem;display:inline-block}.ls-icon.ls-bob{animation:.7s ease-in-out infinite bob}.ls-title{font-family:var(--font-head);font-size:1.25rem;font-weight:700}.ls-controls{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.ls-card .btn-main{color:var(--p-700);box-shadow:0 4px 0 var(--p-300);background:#fff}.ls-card .btn-main.playing{color:#fff;background:linear-gradient(135deg,#ef7a93,#d9506f);box-shadow:0 4px #a62a47}.ls-card .btn-mini{color:#fff;background:#ffffff26;border-color:#ffffff73;box-shadow:0 3px #0000002e}.ls-card .btn-mini:hover{background:#ffffff47}.ls-card .prog-row{margin:16px 0 0}.ls-card .prog-bar{background:#fff3;border-color:#ffffff40}.ls-card .prog-fill{background:linear-gradient(90deg,#fde876,#fff)}.ls-card .prog-label{color:#fff}.ls-transcript{background:#00000040;border-radius:18px;max-height:320px;margin-top:16px;padding:14px 16px;display:none;overflow-y:auto}.ls-transcript.open{animation:.3s fadeUp;display:block}.ls-line{border-left:4px solid #0000;border-radius:10px;align-items:flex-start;gap:10px;padding:8px 10px;transition:all .2s;display:flex}.ls-line.active{background:#ffffff2e;border-left-color:#fde876}.ls-spk{font-family:var(--font-head);white-space:nowrap;border-radius:20px;flex-shrink:0;margin-top:3px;padding:2px 12px;font-size:.85rem;font-weight:700}.ls-spk-0{color:#3a2000;background:#fde876}.ls-spk-1{color:#0a3a20;background:#90d9b5}.ls-spk-2{color:#5a0038;background:#f6a9cb}.ls-spk-3{color:#26164d;background:#b39ddb}.ls-text{font-weight:500;line-height:1.7}