.s18-home{margin:14px 0;padding:16px;border-radius:20px;background:linear-gradient(135deg,#fff7ed,#eff6ff);border:1px solid #fed7aa;display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 10px 28px rgba(31,41,55,.06)}.s18-home>div{display:flex;gap:12px;align-items:center}.s18-home>div>span{font-size:34px}.s18-home small{font-size:10px;font-weight:900;letter-spacing:.08em;color:#9a5b13}.s18-home h2{font-size:18px;margin:2px 0 4px}.s18-home p{margin:0;color:#667085;font-size:12px}.s18-home button{border:0;border-radius:14px;padding:11px 14px;background:#c2410c;color:#fff;font-weight:800;white-space:nowrap}.s18-overlay{position:fixed;inset:0;z-index:100045;background:rgba(15,23,42,.62);padding:10px;overflow:auto}.s18-overlay[hidden]{display:none}.s18-open{overflow:hidden}.s18-sheet{max-width:700px;margin:10px auto 80px;background:#fff;border-radius:24px;overflow:hidden;box-shadow:0 28px 80px rgba(15,23,42,.26)}.s18-sheet>header{padding:18px;display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid #e5e7eb}.s18-sheet header small{font-size:10px;font-weight:900;letter-spacing:.08em;color:#b45309}.s18-sheet h2{margin:3px 0;font-size:23px}.s18-sheet header p{margin:0;color:#667085;font-size:13px}.s18-sheet header>button{width:40px;height:40px;border:0;border-radius:50%;font-size:25px;background:#f1f5f9}.s18-sheet main{padding:18px}.s18-free,.s18-low{padding:10px 12px;border-radius:13px;background:#ecfdf3;border:1px solid #bbf7d0;color:#166534;font-weight:800;font-size:12px;margin-bottom:14px}.s18-low{background:#fffbeb;border-color:#fde68a;color:#92400e}.s18-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.s18-tile{border:1px solid #dfe6ef;border-radius:18px;background:#fff;padding:16px;display:flex;align-items:center;gap:12px;text-align:left;min-height:105px}.s18-tile>span{font-size:32px}.s18-tile div{flex:1}.s18-tile b,.s18-tile small{display:block}.s18-tile small{margin-top:5px;color:#667085;line-height:1.4}.s18-tile i{font-style:normal;color:#94a3b8;font-size:22px}.s18-subjects{display:flex;gap:7px;overflow:auto;padding-bottom:8px}.s18-subjects button{white-space:nowrap;border:1px solid #d8e0ea;background:#fff;border-radius:999px;padding:8px 11px;font-weight:800;font-size:12px}.s18-subjects button.active{background:#1d4ed8;color:#fff;border-color:#1d4ed8}.s18-progress{font-size:12px;color:#667085;margin:5px 0 12px}.s18-lessons,.s18-videos{display:grid;gap:10px}.s18-lessons article,.s18-videos article{border:1px solid #e0e6ee;border-radius:17px;padding:14px;background:#fff}.s18-lesson-head{display:flex;gap:10px;align-items:center}.s18-lesson-head>span{font-size:27px}.s18-lesson-head>div{flex:1}.s18-lesson-head small{color:#64748b;font-size:10px;font-weight:800}.s18-lesson-head h3,.s18-videos h3{margin:2px 0;font-size:16px}.s18-lesson-head em{font-style:normal;color:#15803d;font-size:11px;font-weight:800}.s18-lessons article>p{font-size:13px;color:#5f6b7a;line-height:1.5}.s18-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.s18-actions button,.s18-player-actions button,.s18-mini-wide{border:0;border-radius:12px;padding:10px 12px;font-weight:800;background:#eaf2ff;color:#1d4ed8}.s18-actions button:first-child,.s18-player-actions button:first-child,.s18-mini-wide{background:#1d4ed8;color:#fff}.s18-player{text-align:left}.s18-player-icon{text-align:center;font-size:58px;margin:4px 0 12px}.s18-player>p,.s18-player li,.s18-note p{line-height:1.55;color:#4b5563}.s18-note{background:#f8fafc;border:1px solid #e2e8f0;padding:11px 12px;border-radius:13px;margin:10px 0}.s18-note p{margin:5px 0 0}.s18-rate{display:flex;align-items:center;gap:7px;margin:14px 0}.s18-rate span{font-weight:800;font-size:12px}.s18-rate button{border:1px solid #d5dce6;background:#fff;border-radius:10px;padding:7px 10px}.s18-rate button.active{background:#111827;color:#fff}.s18-player-actions{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}.s18-mini-wide{display:block;width:100%;margin-top:10px}.s18-videos article{display:flex;gap:12px;align-items:flex-start}.s18-videos article>span{font-size:31px}.s18-videos article>div{flex:1}.s18-videos small{color:#64748b;font-size:11px}.s18-empty{text-align:center;padding:38px 20px;border:1px dashed #cbd5e1;border-radius:18px;background:#f8fafc}.s18-empty{font-size:40px}.s18-empty p{font-size:13px;color:#596579;line-height:1.5}.s18-video-note{font-size:11px;color:#667085;line-height:1.45}.s18-video-frame{position:relative;padding-top:56.25%;background:#0f172a;border-radius:16px;overflow:hidden}.s18-video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.s18-video-el{width:100%;max-height:60vh;border-radius:16px;background:#000}.s18-external{display:block;text-align:center;padding:16px;border-radius:14px;background:#1d4ed8;color:#fff;text-decoration:none;font-weight:800}@media(max-width:560px){.s18-home{flex-direction:column;align-items:stretch}.s18-home button{width:100%}.s18-grid{grid-template-columns:1fr}.s18-sheet{margin:0 auto 60px;border-radius:20px}.s18-overlay{padding:6px}.s18-player-actions{grid-template-columns:1fr}.s18-videos article{flex-direction:column}}