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var(--line);border-radius:8px;overflow:hidden;box-shadow:var(--shadow-1)}.thumbs h2{margin:0;padding:13px 14px;font-size:14px;border-bottom:1px solid var(--line);background:#F8FAFC}.thumb-list{max-height:calc(100vh - 218px);overflow:auto}.thumb{display:grid;grid-template-columns:54px 1fr;grid-gap:9px;gap:9px;border:0;border-bottom:1px solid #e8eef5;border-radius:0;width:100%;height:auto;min-height:56px;padding:10px 12px;text-align:left}.thumb.active{background:#E4F2EE}.thumb.done{color:#94A3B8;background:#F8FAFC}.thumb-time{font-size:12px;font-weight:800;color:var(--accent);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.thumb-text{font-size:13px;line-height:1.42}.sim{display:grid;grid-template-columns:minmax(0,1fr) 360px;grid-gap:16px;gap:16px;padding:18px;align-items:start}.douyin-phone{width:min(100%,430px);aspect-ratio:9/16;min-height:680px;margin:0 auto;border-radius:24px;background:#111;border:10px solid #111;box-shadow:0 18px 48px rgba(0,0,0,.22);position:relative;overflow:hidden;color:#fff}.camera{width:100%;height:100%;min-height:100%;object-fit:cover;background:#232323;display:block;transform:scaleX(-1)}.placeholder{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;text-align:center;padding:24px;color:#ddd;background:linear-gradient(180deg,#202020,#111);z-index:2}.camera-retry{margin-top:14px;background:#fff;color:#111;border-color:#fff;font-weight:800}.camera-retry:disabled{opacity:.65;cursor:not-allowed}.practice-cta{display:grid;grid-gap:10px;gap:10px;max-width:300px;margin:0 auto;justify-items:center;color:#F1F5F9}.practice-cta b{font-size:18px;color:#fff;font-weight:900;letter-spacing:.5px}.practice-cta span{font-size:13px;color:#CBD5E1;line-height:1.6}.practice-cta em{font-size:12px;color:#94A3B8;font-style:normal;line-height:1.55}.practice-cta .camera-retry{margin-top:6px;height:42px;padding:0 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button{height:34px;border:0;border-radius:999px;background:#ff2d70;color:#fff;padding:0 15px;font-size:14px;font-weight:900}.live-room-meta{display:flex;align-items:center;gap:10px;color:#fff;font-weight:900}.live-room-meta span{font-size:17px}.live-room-meta button{pointer-events:auto;width:34px;height:34px;border:0;border-radius:50%;background:rgba(0,0,0,.35);color:#fff;font-size:26px;line-height:1}.room-pulse{width:max-content;max-width:90%;display:flex;align-items:center;gap:7px;margin-top:10px;background:rgba(0,0,0,.36);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:6px 10px;color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.room-pulse span{font-size:12px;color:#cbd5e1;font-weight:900}.room-pulse b{font-size:14px;color:#e2e8f0}.room-pulse em{font-style:normal;font-size:12px;color:#e2e8f0;font-weight:800}.room-pulse.hot{background:rgba(22,163,74,.62);border-color:rgba(187,247,208,.62)}.room-pulse.hot b{color:#dcfce7}.room-pulse.cold{background:rgba(220,38,38,.62);border-color:rgba(254,202,202,.68)}.room-pulse.cold b{color:#fee2e2}.rank-row{display:flex;align-items:center;gap:8px;margin-top:11px;color:#fff}.rank-row b,.rank-row span{height:32px;display:inline-flex;align-items:center;border-radius:999px;background:rgba(0,0,0,.38);padding:0 12px;font-size:13px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.rank-row b{margin-left:auto;font-size:14px}.gift-row{display:grid;grid-template-columns:66px 1fr 1fr;grid-gap:8px;gap:8px;align-items:center;margin-top:12px}.gift-row div,.gift-row>span{min-height:42px;border-radius:8px;background:rgba(0,0,0,.3);display:grid;align-content:center;padding:6px 9px;color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.gift-row>span{font-size:10px;text-align:center;color:#b9f7ff}.gift-row b{font-size:11px}.gift-row 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span{font-size:12px;line-height:1.4;font-weight:800}.practice-script-card{position:absolute;left:50%;top:40%;transform:translate(-50%,-50%);width:min(78%,330px);max-height:30vh;z-index:4;background:rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:14px 16px;text-align:center;box-shadow:0 18px 40px rgba(0,0,0,.28);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);overflow:hidden}.practice-script-card b{display:block;color:#9ee5d8;font-size:12px;margin-bottom:7px}.practice-script-card span{display:block;color:#fff;font-size:clamp(20px,4.4vw,30px);line-height:1.38;text-shadow:0 2px 8px rgba(0,0,0,.4)}.practice-edge-controls{position:absolute;top:0;right:0;bottom:0;left:0;z-index:5;display:grid;grid-template-columns:24% 1fr 24%;pointer-events:none}.practice-edge-controls button{pointer-events:auto;border:0;border-radius:0;background:transparent;height:100%;padding:0}.practice-edge-controls 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0}.practice-head p{margin:0;color:var(--muted);font-size:12px}.task{border:1px solid var(--line);background:#fff;border-radius:8px;padding:10px;line-height:1.55;margin-bottom:9px}.task b{display:block;font-size:13px}.task span{font-size:12px;color:var(--muted)}.strong-task span{display:block;margin-top:4px;color:var(--ink);font-size:15px;font-weight:800}.practice-note{background:#ECFDF7;border:1px solid #bfe7dd;color:#134E4A;border-radius:8px;padding:11px;line-height:1.6;font-size:13px;margin-bottom:12px}.primary-note{font-size:14px}.coach-live-note{background:#F5F3FF;border-color:#DDD6FE;color:#4C1D95}.coach-live-note b{color:#6D28D9}.coach-live-note span{display:block;margin-top:5px;color:#111827;font-weight:900}.mic-note{background:#F8FAFC;border-color:var(--line);color:#475569;font-size:12px}.more-tips{margin-bottom:10px}.more-tips summary{cursor:pointer;font-size:13px;font-weight:800;color:var(--muted);margin-bottom:8px}.practice-review{background:#F8FAFC;border:1px solid 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b{display:block;font-size:28px;color:var(--accent)}.growth-summary span{font-size:12px;color:var(--muted)}.composer{padding:18px;display:grid;grid-gap:12px;gap:12px}.composer-brief{background:var(--dark);color:#fff;border-radius:8px;padding:16px 20px}.composer-brief span{display:inline-flex;color:#9ee5d8;font-size:12px;font-weight:900;margin-bottom:6px}.composer-brief h2{margin:0;font-size:26px;line-height:1.2}.composer-brief p{margin:7px 0 0;max-width:800px;color:#CBD5E1;line-height:1.55;font-size:13px}.composer-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,520px);grid-gap:14px;gap:14px;align-items:start}.composer-chat,.composer-preview{background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px;box-shadow:var(--shadow-1)}.composer-chat{grid-gap:10px;gap:10px}.chat-head{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:10px}.chat-head b{display:block;font-size:16px}.chat-head span{display:block;margin-top:3px;color:var(--muted);font-size:12px}.chat-head button{height:34px}.chat-thread{min-height:260px;max-height:calc(100vh - 470px);overflow:auto;background:#F3F6FA;padding:12px;display:flex;flex-direction:column;gap:8px}.chat-message,.chat-thread{border:1px solid var(--line);border-radius:8px}.chat-message{max-width:86%;display:grid;grid-gap:4px;gap:4px;padding:9px 11px;background:#fff;line-height:1.5}.chat-message b{font-size:12px;color:var(--muted)}.chat-message span{font-size:14px;color:#1f2937;white-space:pre-wrap}.chat-message.user{align-self:end;background:#95EC69;border-color:#7ED957}.chat-message.user b{color:#1f6b1f}.chat-message.coach{align-self:start;background:#fff;border-color:#D9E2EC}.chat-message.coach b{color:#6D28D9}.voice-panel{width:100%;background:#F8FAFC;border:1px solid var(--line);border-radius:8px;padding:10px;box-sizing:border-box}.voice-main,.voice-panel{display:flex;align-items:center;gap:10px}.voice-main{flex:1 1;min-width:0}.voice-send-actions{flex:0 0 auto;display:flex;align-items:center}.voice-send-actions .send-big{height:54px;padding:0 22px;font-size:15px;white-space:nowrap;line-height:1.2;border-radius:8px}.voice-button{width:54px;height:54px;padding:0;border-radius:50%;background:#fff;border:3px solid var(--accent);display:grid;place-items:center;cursor:pointer;flex:0 0 auto;transition:all .15s ease}.voice-button:hover:not(:disabled){transform:scale(1.04)}.voice-button:disabled{opacity:.55;cursor:not-allowed}.voice-button .voice-icon{display:block;width:24px;height:24px;border-radius:50%;background:#DC2626;transition:all .2s ease}.voice-button.recording{border-color:#DC2626;background:#FEF2F2;animation:recordRing 1.4s ease-out infinite}.voice-button.recording .voice-icon{width:18px;height:18px;border-radius:4px;background:#DC2626;animation:recordPulse 1.1s ease-in-out infinite}@keyframes recordRing{0%{box-shadow:0 0 0 0 rgba(220,38,38,.55),0 0 0 0 rgba(220,38,38,.35)}60%{box-shadow:0 0 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