@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700;800&display=swap');
:root{--ink:#11182b;--muted:#697188;--paper:#f5f6fa;--panel:#fff;--line:#e3e6ef;--violet:#7669e9;--mint:#48d9b4;--navy:#11192e}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Noto Sans SC',system-ui,sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer}.topbar{height:76px;padding:0 5vw;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20}.brand{border:0;background:none;display:flex;gap:12px;text-align:left;align-items:center;color:var(--ink)}.brandmark{width:38px;height:38px;border-radius:12px;background:var(--navy);color:var(--mint);display:grid;place-items:center;font-size:22px}.brand b{display:block;font-size:18px}.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:1px}.topbar nav{display:flex;gap:8px}.topbar nav button{border:0;background:none;color:var(--muted);padding:25px 18px;position:relative}.topbar nav button.active{color:var(--ink);font-weight:700}.topbar nav button.active:after{content:'';position:absolute;bottom:0;left:18px;right:18px;height:3px;background:var(--violet);border-radius:3px}.profile{font-size:12px;color:var(--muted)}.profile span{display:inline-grid;place-items:center;margin-left:8px;width:34px;height:34px;border-radius:50%;background:#e4fff8;color:#168a70}.hero{min-height:520px;background:var(--navy);color:#fff;padding:80px 9vw;display:grid;grid-template-columns:1.05fr .95fr;overflow:hidden}.eyebrow{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--violet);font-weight:800}.eyebrow.mint{color:var(--mint)}.hero h1,.teacher-hero h1{font-size:48px;line-height:1.22;margin:20px 0}.hero h1 em{font-style:normal;color:var(--mint)}.hero p{color:#aeb6ca;max-width:570px;line-height:1.8}.primary{border:0;background:var(--violet);color:#fff;border-radius:10px;padding:11px 20px;font-weight:700}.primary.big{margin-top:20px;padding:15px 22px}.primary:disabled{background:#d8dae1}.hero-art{position:relative;min-height:360px}.orbit{position:absolute;border:1px solid #45506c;border-radius:50%;transform:rotate(-18deg)}.o1{inset:10px 60px}.o2{inset:60px 110px}.note{position:absolute;color:var(--mint);font-size:44px}.n1{left:28%;top:10%}.n2{right:20%;bottom:16%;color:#a89aff}.glass-card{position:absolute;left:20%;top:30%;padding:28px 34px;background:#ffffff12;border:1px solid #ffffff20;backdrop-filter:blur(12px);border-radius:18px;box-shadow:0 20px 50px #0005;transform:rotate(-2deg)}.glass-card small,.glass-card span,.glass-card b{display:block}.glass-card small{color:#8f98ae;margin-bottom:14px}.glass-card b{font-size:21px;margin-bottom:8px}.glass-card span{color:var(--mint)}.manifest{max-width:1180px;margin:-38px auto 60px;background:#fff;border-radius:15px;box-shadow:0 14px 50px #1e274817;display:flex;align-items:center;padding:26px 38px}.manifest div{flex:1;display:grid;grid-template-columns:45px 1fr}.manifest b{font-size:25px;color:#cbc7fa;grid-row:1/3}.manifest span{font-weight:700}.manifest small{color:var(--muted)}.manifest i{font-style:normal;color:#c4c8d4;margin:0 18px}.works{max-width:1180px;margin:0 auto;padding:0 0 80px}.section-title{display:flex;justify-content:space-between;align-items:end;margin:26px 0}.section-title h2{margin:8px 0 0}.section-title>span{color:var(--muted);font-size:12px}.work-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.work-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:grid;grid-template-columns:190px 1fr}.cover{min-height:220px;background:#252f50;color:#fff;position:relative;padding:22px}.amber .cover,.package-icon.amber{background:#5e472c}.cover span{font-size:10px;letter-spacing:2px}.cover i{font-size:75px;position:absolute;inset:52px 0 0;text-align:center;color:var(--mint)}.card-body{padding:28px}.card-body h3{font-size:25px;margin:8px 0}.card-body p{color:var(--muted)}.tags{display:flex;gap:7px;margin:16px 0 22px}.tags span{background:#f0efff;color:#5a50bd;border-radius:20px;padding:5px 9px;font-size:11px}.phasebar{height:80px;background:#fff;display:flex;justify-content:center;align-items:center;border-bottom:1px solid var(--line)}.phase{border:0;background:none;color:#a3a8b5;font-size:12px}.phase span{display:inline-grid;place-items:center;width:27px;height:27px;border:1px solid #ccd0db;border-radius:50%;margin-right:7px}.phase.current{color:var(--ink);font-weight:800}.phase.current span{background:var(--violet);color:#fff;border-color:var(--violet)}.phase.done span{background:#dff9f2;color:#208c72;border-color:#dff9f2}.phase.locked{opacity:.45}.phasebar>i{width:42px;height:1px;background:#dfe2e9}.studio-head{padding:25px 5vw 18px;display:flex;justify-content:space-between;align-items:end}.studio-head h2{margin:5px 0}.studio-head h2 small{font-size:13px;color:var(--muted);font-weight:400}.back{border:0;background:none;color:var(--muted);padding:0;margin-bottom:12px}.map-status{background:#fff;border:1px solid var(--line);padding:12px 16px;border-radius:10px}.map-status span,.map-status b{display:block;font-size:10px}.map-status b{color:#a26e14;margin-top:4px}.studio-grid{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:20px;padding:0 5vw 60px}.workspace,aside{min-width:0}.taskline{background:var(--navy);color:#fff;padding:16px 20px;border-radius:12px 12px 0 0;display:flex;gap:15px;align-items:center}.taskline span{font-size:10px;color:var(--mint)}.taskline b{font-size:13px;flex:1}.taskline em{font-style:normal;color:#8992a8}.player{background:#fff;padding:18px 22px;display:flex;gap:16px;align-items:center;border:1px solid var(--line)}.play{width:42px;height:42px;border:0;border-radius:50%;background:var(--violet);color:#fff}.time{white-space:nowrap}.time b{font-size:16px}.time span{font-size:11px;color:var(--muted)}.transport{flex:1}.timeline{height:6px;background:#e4e6ee;border-radius:6px;position:relative}.progress{height:100%;background:linear-gradient(90deg,var(--mint),var(--violet));border-radius:6px}.timeline i{position:absolute;top:-5px;width:16px;height:16px;background:#fff;border:4px solid var(--violet);border-radius:50%;transform:translateX(-50%)}.ticks{display:flex;justify-content:space-between;font-size:9px;color:#999;margin-top:8px}.speed{border:1px solid var(--line);background:#fff;border-radius:7px}.audio-notice{font-size:10px;color:#9b6f24;background:#fff9e9;border:1px solid #f2e5bd;padding:8px 20px}.impression{background:#fff;border:1px solid var(--line);padding:30px;text-align:center}.listen-visual{height:145px;background:#f4f2ff;border-radius:12px;position:relative;display:grid;place-content:center;overflow:hidden}.listen-visual b,.listen-visual small{display:block;position:relative;z-index:2}.listen-visual small{color:var(--muted)}.pulse{position:absolute;border:1px solid #b7aefa;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%)}.p1{width:130px;height:130px}.p2{width:210px;height:210px}.impression label{text-align:left;display:block;margin:24px 0 12px;font-weight:700}.impression textarea{width:100%;height:80px;margin-top:8px;border:1px solid var(--line);border-radius:8px;padding:12px}.trace-panel{background:#fff;border:1px solid var(--line);display:grid;grid-template-columns:250px 1fr;min-height:360px}.toolbox{border-right:1px solid var(--line);padding:20px}.panel-label{display:flex;gap:10px;align-items:center;margin-bottom:16px}.panel-label>span{width:28px;height:28px;background:#efedff;color:var(--violet);display:grid;place-items:center;border-radius:50%;font-size:10px}.panel-label b,.panel-label small{display:block}.panel-label small{font-size:10px;color:var(--muted)}.panel-label button{margin-left:auto;border:0;background:none;color:var(--muted)}.tools{display:grid;grid-template-columns:1fr 1fr;gap:8px}.tool{border:1px solid var(--line);background:#fff;border-radius:9px;padding:10px 5px}.tool b,.tool span{display:block}.tool b{font-size:22px;color:var(--violet)}.tool span{font-size:10px}.tool.active{border-color:var(--violet);background:#f5f3ff}.toolbox label{display:block;font-size:11px;margin-top:20px}.toolbox input{width:100%;border:1px solid var(--line);border-radius:7px;padding:8px;margin-top:7px;font-size:10px}.trace-area{padding:20px;min-width:0}#traceCanvas{width:100%;height:250px;background:#fafbfe;border:1px dashed #d5d9e5;border-radius:8px;touch-action:none}.gridlines line{stroke:#eceef4;stroke-width:1}#traceCanvas polyline{fill:none;stroke:url(#traceGradient);stroke-width:7;stroke-linecap:round;stroke-linejoin:round}.playhead{stroke:#7669e9;stroke-width:2;stroke-dasharray:6}.trace-labels{display:flex;justify-content:space-between;font-size:9px;color:var(--muted)}.hint{margin-top:14px;background:#edfdf8;border:1px solid #cdeee5;border-radius:10px;padding:14px;display:flex;gap:12px;align-items:start}.hint>span{background:var(--navy);color:var(--mint);width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:10px}.hint div{flex:1}.hint b,.hint p{font-size:11px;margin:0}.hint p{color:var(--muted);margin-top:4px}.hint small{color:#37a88c}.gate{background:var(--navy);color:#fff;border-radius:12px;padding:20px;display:flex;align-items:center;gap:15px}.ring{--p:0%;width:68px;height:68px;border-radius:50%;background:conic-gradient(var(--mint) var(--p),#33405b 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#0b102566;width:min(520px,92vw)}dialog::backdrop{background:#11182baa;backdrop-filter:blur(3px)}dialog form{padding:32px;position:relative}dialog h2{margin:8px 0 24px}.close{position:absolute;right:18px;top:15px;border:0;background:none;font-size:24px}.range{display:flex;gap:14px;align-items:end}.range label{flex:1}dialog label{display:block;font-size:11px;font-weight:700;margin:15px 0}dialog input,dialog textarea,dialog select{display:block;width:100%;border:1px solid var(--line);border-radius:8px;padding:10px;margin-top:6px}dialog textarea{height:80px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.dialog-actions button{border:0;border-radius:8px;padding:10px 16px}.teacher-hero{background:var(--navy);color:#fff;padding:55px 7vw;display:flex;justify-content:space-between;align-items:center}.teacher-hero h1{font-size:36px;margin-bottom:0}.teacher-actions{display:flex;gap:10px}.teacher-actions button{border:1px solid #59637a;background:transparent;color:#fff;border-radius:8px;padding:11px 16px}.teacher-actions .primary{background:var(--violet);border-color:var(--violet)}.stats{max-width:1180px;margin:-28px auto 35px;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:12px;box-shadow:0 12px 40px #1e274814}.stats div{padding:22px;border-right:1px solid var(--line)}.stats small,.stats span,.stats b{display:block}.stats small,.stats span{color:var(--muted);font-size:10px}.stats b{font-size:28px;margin:4px 0}.teacher-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1fr 1.3fr;gap:22px;padding-bottom:70px}.teacher-grid article{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px}.package-row{display:flex;gap:12px;align-items:center;border-top:1px solid var(--line);padding:14px 0}.package-icon{width:42px;height:42px;display:grid;place-items:center;background:#252f50;color:var(--mint);border-radius:8px}.package-row div{flex:1}.package-row b,.package-row small{display:block}.package-row small,.package-row em{font-size:9px;color:var(--muted)}.package-row em{font-style:normal;max-width:150px}.process-chain{display:flex;align-items:center;gap:8px}.process-chain div{flex:1;background:#f8f8fc;border-radius:10px;padding:14px;min-height:120px}.process-chain span{display:grid;width:24px;height:24px;place-items:center;background:#eeecff;color:var(--violet);border-radius:50%;font-size:10px}.process-chain b{font-size:11px}.process-chain p{font-size:10px;color:var(--muted)}@media(max-width:900px){.topbar nav{display:none}.hero{grid-template-columns:1fr;padding:55px 7vw}.hero-art{display:none}.manifest{margin:0;border-radius:0}.work-grid,.teacher-grid{grid-template-columns:1fr}.studio-grid{grid-template-columns:1fr}.phasebar>i{width:8px}.phase{font-size:0}.phase span{margin:0}.trace-panel{grid-template-columns:1fr}.toolbox{border-right:0;border-bottom:1px solid var(--line)}.stats{grid-template-columns:1fr 1fr;margin:0}.teacher-hero h1,.hero h1{font-size:34px}}@media(max-width:600px){.profile{display:none}.manifest{display:grid;gap:14px}.manifest i{display:none}.work-card{grid-template-columns:110px 1fr}.studio-head{align-items:start}.map-status{display:none}.studio-grid{padding:0 12px 40px}.phasebar{overflow:auto;justify-content:flex-start;padding:0 12px}.process-chain{flex-direction:column;align-items:stretch}.process-chain>i{transform:rotate(90deg);text-align:center}}