.academy{--acad-ink:#16324c;--acad-blue:#2463c9;--acad-line:#dce5ed;max-width:1680px;margin:auto;color:var(--acad-ink);font-size:14px;line-height:1.7}
.academy *{box-sizing:border-box}.academy h1,.academy h2,.academy h3{color:var(--acad-ink);line-height:1.4;margin:0 0 12px}.academy p{margin:8px 0 16px}.acad-hero{display:flex;justify-content:space-between;gap:32px;background:linear-gradient(115deg,#edf7fc,#f7faf9);border:1px solid #dbeaf1;border-radius:18px;padding:32px;margin-bottom:20px}.acad-hero h1{font-size:28px;letter-spacing:-.6px}.acad-hero p{color:#64788a;max-width:760px;margin-bottom:0}.acad-eyebrow{font-size:11px;color:#487489;letter-spacing:1.2px;font-weight:700;margin-bottom:14px}.acad-progress{min-width:150px;display:flex;flex-direction:column;justify-content:center;gap:4px}.acad-progress strong{font-size:34px;line-height:1.2}.acad-progress strong span{font-size:18px;color:#8293a1}.academy progress{width:100%;height:6px;accent-color:#3b8a9a;margin:8px 0}.acad-tabs{display:flex;gap:5px;border-bottom:1px solid var(--acad-line);padding-bottom:10px;overflow:auto}.acad-btn{border:1px solid #d6e1eb;border-radius:8px;padding:9px 15px;background:white;color:#33536c;font-weight:600;font-size:13px;cursor:pointer;white-space:nowrap;line-height:1.5}.acad-btn:hover{background:#f0f5fa;border-color:#9db4cf}.acad-btn.selected{background:#e7f0fc;color:#235eab;border-color:transparent}.acad-btn.primary{background:#2865bd;border-color:#2865bd;color:#fff}.acad-btn:disabled{opacity:.5;cursor:wait}.acad-meta{display:flex;justify-content:space-between;color:#7c8b98;font-size:12px;margin:12px 0 18px;gap:10px}.acad-notice{background:#fff9e9;border:1px solid #f0dfb4;border-radius:9px;padding:12px 16px;font-size:13px;margin:14px 0;color:#735a28}.acad-continue{padding:24px 28px;background:#fff;border:1px solid var(--acad-line);border-radius:12px;display:flex;gap:24px;align-items:center;justify-content:space-between;margin:18px 0 24px}.acad-continue p{color:#6a7e8e;margin:0}.acad-curriculum{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.acad-module{background:#fff;border:1px solid var(--acad-line);border-radius:12px;overflow:hidden;padding:20px}.acad-module-title{display:flex;gap:14px;margin-bottom:12px;min-height:84px}.acad-module-title>span{font-size:24px;color:#a3b8c8;font-weight:700}.acad-module h3{font-size:17px;margin-bottom:6px}.acad-module p{font-size:12px;color:#738799;margin:0}.acad-lesson-card{display:flex;text-align:left;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:14px 0;border:0;border-top:1px solid #edf1f5;color:#284660;background:none;cursor:pointer}.acad-lesson-card strong{font-size:13px;display:block;font-weight:600}.acad-lesson-card small{font-size:11px;display:block;color:#91a0ac;margin-top:6px}.acad-lesson-card:disabled{color:#96a4af;cursor:not-allowed}.acad-status{white-space:nowrap;font-size:11px;background:#f0f4f7;color:#7c8f9f;padding:3px 7px;border-radius:5px}.acad-status.success{background:#eaf6ef;color:#3b805d}.acad-class-layout{display:grid;grid-template-columns:200px minmax(320px,1fr) 300px;gap:18px;align-items:start}.acad-outline{position:sticky;top:16px;background:white;border:1px solid var(--acad-line);border-radius:12px;padding:16px 10px;max-height:85vh;overflow:auto}.acad-outline h3{font-size:14px;padding:0 6px}.acad-outline button{display:block;text-align:left;width:100%;background:none;border:0;padding:10px;border-radius:7px;font-size:12px;color:#6b7e8d;cursor:pointer;line-height:1.6}.acad-outline button.current{color:#205dad;background:#edf4ff;font-weight:600}.acad-outline button small{display:block;font-size:10px;font-weight:400}.acad-outline button:disabled{opacity:.45;cursor:not-allowed}.acad-panel{background:#fff;border:1px solid var(--acad-line);border-radius:12px;padding:24px;margin-bottom:18px}.acad-panel h2{font-size:21px}.acad-panel h3{font-size:17px}.acad-panel ul{padding-left:18px;color:#6a7f90;font-size:13px}.acad-prose{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.95;margin:12px 0;color:#36516a}.acad-source{display:block;font-size:12px;color:#3770a8;margin-top:10px}.acad-materials{position:sticky;top:16px;max-height:86vh;overflow:auto}.acad-materials h3{font-size:14px}.acad-materials .acad-panel{padding:16px;background:#f9fbfd}.academy summary{cursor:pointer;font-weight:600;font-size:13px;line-height:1.7}.acad-materials .acad-prose{font-size:12px}.academy textarea,.academy input,.academy select{display:block;width:100%;font:inherit;border:1px solid #cfdbe5;border-radius:8px;background:#fff;padding:11px;color:#284860;outline:none;margin:6px 0 14px;min-width:0}.academy textarea{resize:vertical;line-height:1.8}.academy textarea:focus,.academy input:focus,.academy select:focus{border-color:#6592c5;box-shadow:0 0 0 3px #ebf2fa}.academy label{font-size:13px;font-weight:600;display:block}.acad-number-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.acad-hint{padding:12px 16px;background:#f3f7fb;border-radius:8px;margin:16px 0}.acad-actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin:12px 0}.acad-actions small{color:#8794a1;font-size:11px}.acad-muted{color:#8794a1;font-size:12px}.acad-message{border-bottom:1px solid #e5edf3;padding:16px 0}.acad-message-head{font-weight:600;color:#527189;font-size:12px;display:flex;justify-content:space-between;gap:10px}.acad-message-head small{font-weight:400;color:#8c9ba9}.acad-tutor{padding:16px;background:#eff6fb;border-radius:10px;margin:12px 0}.acad-tutor>b{font-size:12px;color:#2d668f}.acad-evaluation{background:#f5f9f7;padding:16px;border:1px solid #e0ebe4;border-radius:9px;margin-top:10px}.acad-evaluation>div:first-child{display:flex;justify-content:space-between}.acad-evaluation>small{display:block;margin-top:12px;color:#718476}.acad-check{display:flex;gap:10px;font-size:12px;border-bottom:1px solid #e4ece6;padding:9px 0}.acad-check b{color:#628973;flex-shrink:0}.acad-check small{display:block;color:#7b8c83}.acad-skills{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:20px 0}.acad-skills>div{padding:18px;background:#f6f9fc;border-radius:10px}.acad-skills h3{font-size:14px}.acad-skills p{font-size:12px;color:#6d8293}.acad-empty{text-align:center;padding:60px;background:white;border:1px solid var(--acad-line);border-radius:12px}.acad-error{background:#fff0ec;color:#a54237;border:1px solid #f1cbc4;padding:16px;border-radius:8px;margin-bottom:14px}.acad-working{position:fixed;bottom:24px;right:28px;background:#193d5a;color:white;padding:14px 22px;border-radius:12px;box-shadow:0 6px 30px #17344b30;z-index:1000}.acad-table-wrap{overflow:auto}.academy table{width:100%;border-collapse:collapse;font-size:12px}.academy th,.academy td{text-align:left;padding:12px;border-bottom:1px solid #e2eaf0}.academy th{background:#f4f7fa}.acad-review-item{padding:14px;border:1px solid #e1e9ef;border-radius:8px;margin:10px 0}.acad-review-item .acad-btn{margin:6px 8px 4px 0}.acad-editor{margin-top:18px}.acad-rate{padding:12px 0;border-top:1px solid #e8dec4}.acad-rate p{font-size:12px}
@media(max-width:1300px){.acad-class-layout{grid-template-columns:160px minmax(300px,1fr)}.acad-materials{grid-column:2;position:static;max-height:none}.acad-outline{grid-row:span 2}}
.acad-class-main .acad-prose{font-size:16px}.academy label,.acad-btn,.academy summary{font-size:14px}.acad-outline button,.acad-materials .acad-prose,.acad-check{font-size:13px}.acad-outline button small,.acad-lesson-card small,.acad-eyebrow,.acad-status{font-size:12px}
@media(max-width:800px){.acad-hero{padding:22px;gap:16px}.acad-hero h1{font-size:23px}.acad-progress{min-width:85px}.acad-progress strong{font-size:28px}.acad-progress span{font-size:12px}.acad-curriculum,.acad-skills{grid-template-columns:1fr}.acad-meta{flex-direction:column}.acad-continue{padding:20px;align-items:flex-start;flex-direction:column}.acad-class-layout{display:flex;flex-direction:column}.acad-class-main,.acad-materials{width:100%}.acad-materials{order:-1}.acad-outline{position:static;width:100%;max-height:180px}.acad-panel{padding:18px}.acad-number-grid{grid-template-columns:1fr}.acad-module-title{min-height:0}.acad-module{padding:18px}.acad-lesson-card{align-items:flex-start}.acad-status{font-size:12px}.acad-working{left:20px;right:20px;bottom:16px;text-align:center}}