:root{--primary: #1f6feb;--primary-dark: #1958c4;--bg: #f4f6fa;--card: #ffffff;--border: #e3e7ee;--text: #1f2430;--muted: #6b7280;--danger: #d64545;--ok: #1a7f37}*{box-sizing:border-box}body{margin:0;font-family:PingFang SC,Microsoft YaHei,Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text)}.app{min-height:100vh}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:12px 24px;background:var(--card);border-bottom:1px solid var(--border)}.brand{font-size:20px;font-weight:700}.topbar nav{display:flex;gap:8px}button{padding:8px 16px;border:1px solid var(--border);border-radius:8px;background:var(--card);color:var(--text);font-size:14px;cursor:pointer}button:hover{border-color:var(--primary);color:var(--primary)}button.active{background:var(--primary);border-color:var(--primary);color:#fff}button.primary{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}button.primary:hover{background:var(--primary-dark);color:#fff}main{max-width:860px;margin:0 auto;padding:24px 16px 64px}.page{display:flex;flex-direction:column;gap:16px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px}h2,h3{margin:0 0 12px}.hint{color:var(--muted);font-size:13px;margin:0 0 12px}.recorder{text-align:center}.mic{display:inline-flex;align-items:center;justify-content:center;width:140px;height:140px;border-radius:50%;background:var(--primary);color:#fff;font-size:18px;font-weight:600;cursor:pointer;-webkit-user-select:none;user-select:none;transition:transform .15s ease;margin:8px 0}.mic:hover{transform:scale(1.04)}.mic.live{background:var(--danger);animation:pulse 1.4s infinite}@keyframes pulse{0%,to{box-shadow:0 0 #d6454566}50%{box-shadow:0 0 0 14px #d6454500}}.recorder-meta{min-height:22px;color:var(--muted);font-size:14px}.recording-dot{color:var(--danger);font-weight:600}.actions{display:flex;gap:10px;justify-content:center;align-items:center;flex-wrap:wrap}.upload-card{text-align:center}.status-line{color:var(--muted);text-align:center}.upload-progress{display:flex;flex-direction:column;align-items:center;gap:8px}.progress-track{width:100%;max-width:480px;height:10px;background:#e8edf5;border-radius:999px;overflow:hidden}.progress-bar{height:100%;background:var(--primary);border-radius:999px;transition:width .2s ease}.error-box{background:#fdecec;border:1px solid #f3c1c1;color:var(--danger);border-radius:8px;padding:10px 14px;font-size:14px}.error-text{color:var(--danger);font-size:13px}.result-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.result-head h2,.result-head h3{margin:0}.status{font-size:12px;padding:3px 10px;border-radius:999px;background:#eef1f6;color:var(--muted);white-space:nowrap}.status-done{background:#e6f4ea;color:var(--ok)}.status-transcribing,.status-summarizing,.status-created{background:#e8f0fe;color:var(--primary)}.status-failed{background:#fdecec;color:var(--danger)}.badge{font-size:12px;padding:3px 10px;border-radius:999px;background:#f0eefb;color:#5b4bc4;white-space:nowrap}.meta-line{display:flex;gap:14px;color:var(--muted);font-size:13px;flex-wrap:wrap;margin:8px 0}.conclusion{background:#f0f6ff;border:1px solid #d6e4ff;border-radius:10px;padding:12px 16px;margin:12px 0}.conclusion-label{font-size:12px;color:var(--primary);font-weight:700;margin-bottom:4px}.conclusion p{margin:0;line-height:1.6}.filter-bar{display:flex;gap:8px;flex-wrap:wrap}.empty{color:var(--muted);text-align:center;padding:40px 0}.meeting-list{display:flex;flex-direction:column;gap:12px}.meeting-card{cursor:pointer;transition:box-shadow .15s ease,transform .15s ease}.meeting-card:hover{box-shadow:0 4px 16px #1f6feb1f;transform:translateY(-1px)}.meeting-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.meeting-title{font-weight:600;font-size:16px;margin-right:auto}.conclusion-snippet{color:var(--muted);font-size:14px;line-height:1.6;margin:8px 0 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.back{align-self:flex-start}.segment-list{display:flex;flex-direction:column;gap:8px;max-height:420px;overflow-y:auto}.segment{display:flex;gap:10px;font-size:14px;line-height:1.6}.segment-time{color:var(--muted);font-variant-numeric:tabular-nums;flex-shrink:0}.document{background:#fafbfd;border:1px solid var(--border);border-radius:8px;padding:16px;white-space:pre-wrap;word-break:break-word;font-family:PingFang SC,Microsoft YaHei,Segoe UI,system-ui,sans-serif;font-size:14px;line-height:1.7;max-height:560px;overflow-y:auto}.doc-block{padding:16px 0}.doc-block+.doc-block{border-top:1px solid var(--border)}.doc-block h4{margin:0}.button-link{display:inline-flex;align-items:center;padding:8px 16px;border:1px solid var(--border);border-radius:8px;color:var(--text);text-decoration:none;font-size:14px}.button-link:hover{border-color:var(--primary);color:var(--primary)}.version-tag{margin-left:8px;font-size:12px;font-weight:500;color:var(--muted);background:#eef1f6;border-radius:999px;padding:2px 8px;vertical-align:middle}.engine-badge{font-size:12px;padding:3px 10px;border-radius:999px;font-weight:600;white-space:nowrap}.engine-baidu{background:#e6f0ff;color:#1f6feb}.engine-itingnao{background:#f3e8ff;color:#7c3aed}.status-live{background:#fff4e0;color:#b45309}.engine-picker{display:flex;gap:8px;justify-content:center;align-items:center;flex-wrap:wrap;margin-bottom:14px}.engine-picker-label{color:var(--muted);font-size:14px}.compare-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}.live-transcript{margin-top:16px;border:1px solid var(--border);border-radius:10px;background:#fafbfd;padding:12px 14px;max-height:320px;overflow-y:auto;text-align:left;display:flex;flex-direction:column;gap:8px}.live-final .segment-text{color:var(--text)}.live-provisional .segment-text{color:var(--muted);font-style:italic}.sibling-link{margin:4px 8px 0 0}