:root{color-scheme:light;--bg:#f4f7fb;--surface:rgba(255,255,255,0.94);--surface-solid:#ffffff;--surface-muted:#f0f4f8;--border:#dce4ee;--border-strong:#c9d4e1;--text:#172033;--text-muted:#68758a;--primary:#2563eb;--primary-dark:#194fc6;--primary-soft:#eaf1ff;--teal:#0f9f8f;--teal-soft:#e8f8f5;--danger:#e64747;--danger-soft:#fff0f0;--warning:#b7791f;--warning-soft:#fff8e6;--shadow:0 20px 50px rgba(39,55,85,0.12);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-top:env(safe-area-inset-top,0px)}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:16px;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button{-webkit-tap-highlight-color:transparent}button:focus-visible{outline:3px solid rgba(37,99,235,.32);outline-offset:2px}.landing-shell{min-height:100svh;padding:calc(26px + var(--safe-top)) 20px calc(28px + var(--safe-bottom));display:grid;place-items:center;overflow:hidden;position:relative;background:radial-gradient(circle at 20% 12%,rgba(37,99,235,.13),transparent 32%),radial-gradient(circle at 86% 82%,rgba(15,159,143,.13),transparent 34%),linear-gradient(160deg,#f8fbff,#edf3fb)}.ambient{position:absolute;border-radius:999px;filter:blur(2px);pointer-events:none}.ambient-one{width:280px;height:280px;background:rgba(37,99,235,.08);left:-140px;top:18%}.ambient-two{width:340px;height:340px;background:rgba(20,184,166,.08);right:-180px;bottom:-40px}.landing-card{width:min(100%,480px);position:relative;z-index:1;background:var(--surface);border:1px solid rgba(255,255,255,.86);border-radius:30px;box-shadow:var(--shadow);padding:30px 24px 24px;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.brand-mark{width:60px;height:60px;border-radius:18px;display:grid;place-items:center;color:white;background:linear-gradient(140deg,var(--primary),var(--teal));box-shadow:0 12px 24px rgba(37,99,235,.25);margin-bottom:22px}.eyebrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:750;font-size:12px;letter-spacing:.08em;text-transform:uppercase}h1,h2,h3,p{margin-top:0}.landing-card h1{margin:8px 0 12px;font-size:clamp(32px,9vw,45px);line-height:1.08;letter-spacing:-.04em}.landing-subtitle{color:var(--text-muted);line-height:1.7;margin-bottom:18px}.demo-badge{display:inline-flex;padding:7px 11px;border-radius:999px;background:var(--teal-soft);color:#087b6f;font-size:13px;font-weight:700;margin-bottom:18px}.preflight-list{display:grid;grid-gap:10px;gap:10px;margin:6px 0 22px}.preflight-list>div{display:flex;align-items:center;gap:12px;padding:13px 14px;border:1px solid var(--border);border-radius:16px;background:rgba(248,250,253,.9)}.preflight-list svg{color:var(--teal);flex:0 0 auto}.preflight-list span{display:grid;grid-gap:2px;gap:2px}.preflight-list small{color:var(--text-muted);font-size:13px}.end-control,.primary-button,.recommend-button,.secondary-button,.secondary-control,.start-button{min-height:52px;border-radius:15px;border:0;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:760;transition:transform .16s ease,background-color .16s ease,box-shadow .16s ease}.start-button{width:100%;color:white;background:linear-gradient(135deg,var(--primary),#1f73eb);box-shadow:0 14px 24px rgba(37,99,235,.23)}.recommend-button:not(:disabled):active,.start-button:not(:disabled):active{transform:scale(.985)}.recommend-button:disabled,.start-button:disabled{cursor:not-allowed;opacity:.6;box-shadow:none}.privacy-note{color:var(--text-muted);font-size:12px;line-height:1.55;text-align:center;margin:14px 4px 0}.error-box,.success-box{display:flex;gap:10px;align-items:flex-start;padding:13px 14px;border-radius:14px;margin:0 0 16px}.error-box{background:var(--danger-soft);color:#a52d2d;border:1px solid #ffd4d4}.error-box p{margin:3px 0 0;font-size:13px;line-height:1.5}.success-box{background:var(--teal-soft);color:#087b6f;border:1px solid #cceee8;align-items:center}.app-shell{min-height:100svh;background:var(--bg);display:grid;place-items:stretch center}.app-frame{width:min(100%,720px);min-height:100svh;background:#f7f9fc;flex-direction:column;overflow:hidden;border-inline:1px solid rgba(210,220,233,.7)}.app-frame,.status-header{position:relative;display:flex}.status-header{padding:calc(14px + var(--safe-top)) 18px 13px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:14px;z-index:5;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.status-primary{display:flex;align-items:center;gap:10px}.status-primary>div{display:flex;align-items:baseline;gap:8px}.status-primary strong{font-size:15px}.status-primary span{color:var(--text-muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-size:14px}.record-dot{width:11px;height:11px;border-radius:50%;background:#ef4444;box-shadow:0 0 0 5px rgba(239,68,68,.11);animation:recordPulse 2s infinite}.record-dot.paused{background:#94a3b8;box-shadow:none;animation:none}.status-secondary{display:flex;align-items:center;gap:9px;flex-wrap:wrap;justify-content:flex-end}.status-secondary span{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:700;white-space:nowrap}.healthy-status{color:#087b6f}.warning-status{color:var(--warning)}.connection-strip,.demo-strip{padding:8px 18px;text-align:center;font-size:12px;font-weight:700}.demo-strip{color:#135cc5;background:#eaf2ff}.connection-strip{color:#8a5a10;background:var(--warning-soft)}.content-scroll{flex:1 1;overflow-y:auto;overscroll-behavior:contain;padding:14px 14px 0}.requirements-card,.transcript-card{background:var(--surface-solid);border:1px solid var(--border);border-radius:20px;box-shadow:0 7px 20px rgba(45,61,85,.055)}.transcript-card{padding:5px 15px;min-height:82px;display:grid;align-content:center}.transcript-line{padding:10px 0;margin:0;line-height:1.5;border-bottom:1px solid #edf1f5}.transcript-line:last-child{border-bottom:0}.transcript-line strong{color:#43516a}.transcript-line.interim{color:var(--text-muted);font-style:italic}.lang-chip{display:inline-block;margin:0 6px 0 2px;padding:1px 6px;border-radius:999px;font-size:11px;font-weight:600;color:#35507a;background:#e8eef8;vertical-align:middle}.empty-transcript{min-height:70px;display:flex;align-items:center;gap:10px;color:var(--text-muted);line-height:1.45;font-size:14px}.requirements-card{margin-top:12px;padding:17px}.section-heading-row{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.section-heading-row h2{font-size:18px;letter-spacing:-.02em;margin:5px 0 0}.updating-label,.version-badge{padding:5px 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0}.speaker-sheet{text-align:center;padding-inline:22px}.speaker-sheet h2{margin:7px 0 9px}.speaker-sheet p{color:var(--text-muted);line-height:1.6;margin-bottom:18px}.speaker-sheet .primary-button,.speaker-sheet .secondary-button{width:100%;margin-top:9px}.primary-button{background:var(--primary);color:white}.secondary-button{background:#fff;color:var(--text);border:1px solid var(--border-strong)}.text-button{min-height:44px;background:transparent;border:0;color:var(--text-muted);cursor:pointer;margin-top:8px}.skeleton{display:block;background:linear-gradient(90deg,#e8edf3 25%,#f5f7fa 40%,#e8edf3 60%);background-size:300% 100%;animation:shimmer 1.5s infinite;border-radius:8px}.skeleton-card{cursor:default}.skeleton-image{width:102px;height:82px;flex:0 0 102px;border-radius:12px}.skeleton-line{height:12px}.skeleton-line.wide{width:90%}.skeleton-line.medium{width:58%}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}@keyframes recordPulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(.82);opacity:.72}}@keyframes shimmer{0%{background-position:100% 0}to{background-position:0 0}}@keyframes sheetUp{0%{transform:translateY(32px);opacity:0}to{transform:translateY(0);opacity:1}}@media (min-width:721px){.app-shell{padding:20px}.app-frame{min-height:calc(100svh - 40px);max-height:calc(100svh - 40px);border-radius:28px;box-shadow:var(--shadow);border:1px solid var(--border)}.status-header{padding-top:16px}.control-bar{border-radius:0 0 28px 28px}.bottom-sheet{border-radius:25px;margin-bottom:18px;max-height:calc(100svh - 50px)}}@media (max-width:430px){.status-header{align-items:flex-start}.status-primary>div{display:grid;grid-gap:1px;gap:1px}.status-secondary{max-width:130px;gap:4px}.suggestion-row{align-items:stretch;flex-direction:column}.recommend-button{width:100%}.product-image-wrap,.skeleton-image{flex-basis:88px;width:88px;height:76px}.spec-grid{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.001ms!important}}