:root{--bg: #0a0d14;--bg-2: #0d111b;--rail: #0f1420;--panel: #141a28;--panel-2: #1a2233;--border: #232c40;--border-2: #2d3850;--text: #eef1f7;--muted: #8a93a8;--faint: #5c6479;--accent: #5b8cff;--accent-soft: rgba(91, 140, 255, .14);--teal: #2fd6a6;--warn: #ffb454;--danger: #ff5c7c;--radius: 14px;--radius-sm: 10px;--shadow: 0 12px 40px rgba(0, 0, 0, .4)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased}button{font-family:inherit}.wb{display:grid;grid-template-columns:264px 1fr;min-height:100vh}.wb-rail{background:linear-gradient(180deg,#101623 0%,var(--rail) 100%);border-right:1px solid var(--border);padding:22px 16px;display:flex;flex-direction:column;gap:18px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:12px;padding:0 4px}.brand-mark{width:38px;height:38px;border-radius:11px;flex-shrink:0;background:linear-gradient(135deg,var(--accent),var(--teal));display:grid;place-items:center;font-weight:800;font-size:20px;color:#06101f;box-shadow:0 6px 18px #5b8cff59}.brand-name{font-size:15px;font-weight:700;letter-spacing:.2px}.brand-sub{font-size:12px;color:var(--muted);margin-top:1px}.rail-label{font-size:11px;color:var(--faint);letter-spacing:1.5px;text-transform:uppercase;padding:0 8px}.rail-nav{display:flex;flex-direction:column;gap:6px;flex:1}.rail-item{display:flex;align-items:center;gap:12px;text-align:left;padding:11px 12px;border-radius:var(--radius-sm);cursor:pointer;background:transparent;border:1px solid transparent;color:var(--text);transition:all 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12px;border-radius:999px;flex-shrink:0;white-space:nowrap}.readme-link{display:inline-flex;align-items:center;gap:5px;vertical-align:middle;margin-left:14px;padding:4px 11px;font-size:12px;line-height:1;cursor:pointer;color:var(--accent);background:#5b8cff1a;border:1px solid rgba(91,140,255,.4);border-radius:999px;transition:background .15s,transform .15s}.readme-link:hover{background:#5b8cff33;transform:translateY(-1px)}.readme-link .rl-icon{font-size:13px}.readme-mask{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;background:#060910a8;backdrop-filter:blur(3px);padding:32px;animation:readmeFade .16s ease}@keyframes readmeFade{0%{opacity:0}to{opacity:1}}.readme-modal{width:min(760px,100%);max-height:86vh;overflow-y:auto;background:var(--panel);border:1px solid var(--border);border-radius:16px;box-shadow:0 24px 60px #00000080;animation:readmeRise .2s ease}@keyframes readmeRise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.readme-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:22px 26px 18px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--panel);z-index:1}.readme-kicker{font-size:11px;letter-spacing:1.5px;color:var(--accent);text-transform:uppercase;margin-bottom:6px}.readme-head h2{margin:0;font-size:22px;letter-spacing:.3px}.readme-sub{margin:6px 0 0;font-size:13px;color:var(--muted)}.readme-close{flex-shrink:0;width:30px;height:30px;border-radius:8px;cursor:pointer;background:#ffffff0d;border:1px solid var(--border);color:var(--muted);font-size:14px}.readme-close:hover{background:#ffffff1a;color:var(--text)}.readme-body{padding:22px 26px 28px}.readme-sec{margin-bottom:24px}.readme-sec:last-child{margin-bottom:0}.readme-sec h3{margin:0 0 12px;font-size:15px;color:var(--text)}.readme-sec ul{margin:0;padding-left:18px}.readme-sec li{font-size:13.5px;line-height:1.75;color:var(--muted)}.readme-sec li b{color:var(--text);font-weight:600}.readme-flow{display:flex;align-items:stretch;gap:12px}.readme-flow .rf-stage{flex:1;background:#ffffff08;border:1px solid var(--border);border-radius:12px;padding:14px 16px}.readme-flow .rf-title{font-size:13px;font-weight:600;color:var(--accent);margin-bottom:8px}.readme-flow .rf-stage p{margin:0;font-size:13px;line-height:1.7;color:var(--muted)}.readme-flow .rf-arrow{display:flex;align-items:center;color:var(--faint);font-size:18px}.readme-formula{margin-top:14px;padding:12px 16px;font-size:13px;line-height:1.7;color:var(--muted);background:linear-gradient(90deg,#5b8cff14,#2fd6a614);border:1px solid var(--border);border-radius:12px}.readme-formula b{color:var(--text)}.readme-body code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;background:#ffffff12;border:1px solid var(--border);border-radius:5px;padding:1px 6px;color:var(--teal)}@media (max-width: 640px){.readme-flow{flex-direction:column}.readme-flow .rf-arrow{transform:rotate(90deg);justify-content:center}}.source-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px;margin-bottom:14px}.source-pick{display:flex;align-items:center;gap:10px;min-width:0;flex:1}.source-pick label{font-size:12px;color:var(--faint);letter-spacing:1px}.source-pick select{flex:1;max-width:420px;padding:9px 12px;border-radius:var(--radius-sm);background:var(--panel-2);color:var(--text);border:1px solid var(--border-2);font-size:13px;outline:none;cursor:pointer}.source-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.meta-chip{font-size:12px;color:var(--muted);background:var(--panel-2);border:1px solid var(--border-2);padding:5px 11px;border-radius:999px}.meta-chip.ok{color:var(--teal);border-color:#2fd6a659}.meta-chip.warn{color:var(--warn);border-color:#ffb45459}.btn-build{padding:9px 16px;border-radius:var(--radius-sm);border:none;cursor:pointer;background:linear-gradient(135deg,var(--accent),#6f7cff);color:#fff;font-size:13px;font-weight:600;transition:filter .15s,opacity .15s}.btn-build:hover:not(:disabled){filter:brightness(1.08)}.btn-build:disabled{opacity:.45;cursor:not-allowed}.alert{padding:11px 16px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:14px}.alert.err{background:#2a161c;border:1px solid rgba(255,92,124,.4);color:#ffb0c1}.alert.info{background:#14233a;border:1px solid rgba(91,140,255,.35);color:#bcd0ff}.scene-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:22px;align-items:start}@media (max-width: 1080px){.scene-grid{grid-template-columns:1fr}}.player-col{position:sticky;top:22px}.video-wrap{border-radius:var(--radius);overflow:hidden;background:#000;border:1px solid var(--border)}video{width:100%;display:block;max-height:420px;background:#000}.timeline{margin-top:16px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}.tl-label{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px}.tl-label>span:first-child{font-size:12px;color:var(--text);font-weight:600;letter-spacing:.5px}.tl-hint{font-size:11px;color:var(--faint)}.tl-track{position:relative;height:30px;border-radius:8px;background:var(--panel-2);border:1px solid var(--border-2);overflow:hidden}.tl-clip{position:absolute;top:0;height:100%;min-width:4px;border:none;cursor:pointer;padding:0;background:linear-gradient(180deg,#5b8cff8c,#5b8cff4d);border-left:2px solid var(--accent);transition:background .15s}.tl-clip:hover{background:#5b8cffa6}.tl-clip.active{background:linear-gradient(180deg,#2fd6a699,#2fd6a652);border-left-color:var(--teal)}.tl-tick{position:absolute;top:50%;transform:translate(-50%,-50%);width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 6px #2fd6a6cc;cursor:pointer}.tl-axis{display:flex;justify-content:space-between;font-size:11px;color:var(--faint);margin-top:8px;font-variant-numeric:tabular-nums}.search-box{display:flex;gap:10px;margin-bottom:12px}.search-box input{flex:1;padding:12px 15px;border-radius:var(--radius-sm);border:1px solid var(--border-2);background:var(--panel);color:var(--text);font-size:14px;outline:none;transition:border-color .15s}.search-box input:focus{border-color:var(--accent)}.search-box input:disabled{opacity:.5}.btn-search{padding:12px 20px;border-radius:var(--radius-sm);border:none;cursor:pointer;background:linear-gradient(135deg,var(--accent),#6f7cff);color:#fff;font-size:14px;font-weight:600;transition:filter .15s;white-space:nowrap}.btn-search:hover:not(:disabled){filter:brightness(1.08)}.btn-search:disabled{opacity:.45;cursor:not-allowed}.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.chip{font-size:12.5px;padding:6px 13px;border-radius:999px;cursor:pointer;background:var(--panel);border:1px solid var(--border-2);color:var(--muted);transition:all .15s}.chip:hover:not(:disabled){border-color:var(--accent);color:var(--text);background:var(--accent-soft)}.chip:disabled{opacity:.4;cursor:not-allowed}.placeholder{text-align:center;padding:48px 24px;border:1px dashed var(--border-2);border-radius:var(--radius);background:var(--bg-2)}.ph-icon{font-size:40px;margin-bottom:12px;opacity:.85}.ph-title{font-size:15px;font-weight:600;margin-bottom:6px}.ph-text{font-size:13px;color:var(--muted);line-height:1.6;max-width:360px;margin:0 auto}.searching{color:var(--accent);font-size:13px;padding:18px 4px}.result-summary{font-size:13.5px;line-height:1.6;padding:12px 15px;border-radius:var(--radius-sm);margin-bottom:16px;border:1px solid var(--border-2);background:var(--panel)}.result-summary.ok{border-color:#2fd6a666;background:#2fd6a612;color:#b6f0dc}.result-summary.empty{border-color:#ffb45466;background:#ffb45412;color:#ffd9a0}.result-summary .rs-line{display:block}.mode-badge{display:inline-block;margin-top:9px;font-size:11px;padding:2px 9px;border-radius:999px;border:1px solid var(--border-2);color:var(--muted);background:#ffffff08}.mode-badge.hybrid{color:#d7c8ff;border-color:#9575ff73;background:linear-gradient(90deg,#5b8cff1f,#2fd6a61f)}.src-badge{font-size:10.5px;padding:1px 7px;border-radius:6px;flex-shrink:0;border:1px solid transparent}.src-lexical{color:#c9d8ff;background:var(--accent-soft);border-color:#5b8cff59}.src-semantic{color:#d7c8ff;background:#9575ff24;border-color:#9575ff73}.src-hybrid{color:#b6f0dc;background:#2fd6a61f;border-color:#2fd6a666}.hit-chip.sem{color:#d7c8ff;background:#9575ff24;border-color:#9575ff66}.results{display:flex;flex-direction:column;gap:14px}.clip{display:flex;gap:14px;padding:12px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--border);transition:border-color .15s,transform .12s}.clip:hover{border-color:var(--border-2)}.clip.active{border-color:var(--teal);box-shadow:0 0 0 1px #2fd6a64d}.clip-thumb{position:relative;width:148px;flex-shrink:0;border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;background:#0d1118}.clip-thumb img{width:100%;height:92px;object-fit:cover;display:block}.clip-rank{position:absolute;top:6px;left:6px;font-size:11px;font-weight:800;color:#06101f;background:var(--teal);padding:1px 7px;border-radius:6px}.clip-dur{position:absolute;bottom:6px;right:6px;font-size:11px;color:#fff;background:#000000a6;padding:1px 6px;border-radius:5px;font-variant-numeric:tabular-nums}.clip-play{position:absolute;inset:0;display:grid;place-items:center;font-size:26px;color:#fff;background:#00000040;opacity:0;transition:opacity .15s}.clip-thumb:hover .clip-play{opacity:1}.clip-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:7px}.clip-head{display:flex;align-items:center;gap:12px}.clip-range{font-size:13px;font-weight:700;color:var(--accent);background:none;border:none;cursor:pointer;padding:0;font-variant-numeric:tabular-nums;white-space:nowrap}.clip-range:hover{color:#88b0ff}.clip-rel{flex:1;height:5px;background:var(--panel-2);border-radius:999px;overflow:hidden}.rel-bar{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--teal))}.clip-cap{font-size:13px;color:var(--text);line-height:1.5}.clip-foot{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.hit-chip{font-size:11px;color:#c9d8ff;background:var(--accent-soft);border:1px solid rgba(91,140,255,.35);padding:1px 8px;border-radius:6px}.clip-frames-n{font-size:11px;color:var(--faint);margin-left:auto}.clip-track{display:flex;gap:5px;overflow-x:auto;padding-top:4px}.clip-track img{width:56px;height:36px;object-fit:cover;border-radius:6px;cursor:pointer;flex-shrink:0;border:1px solid var(--border-2);transition:border-color .12s}.clip-track img:hover{border-color:var(--accent)}@media (max-width: 560px){.wb{grid-template-columns:1fr}.wb-rail{position:relative;height:auto}.rail-nav{flex-direction:row;overflow-x:auto}.wb-main{padding:20px 16px 48px}.clip{flex-direction:column}.clip-thumb{width:100%}.clip-thumb img{height:150px}}