*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;background:radial-gradient(circle at top,#2b3854,#1c2438 45%,#141926);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}#root{width:100%;max-width:420px}.app{width:100%}.video-card{background:linear-gradient(180deg,#fff,#f7f8fb);border-radius:28px;overflow:hidden;border:1px solid rgba(255,255,255,.65);box-shadow:0 24px 80px #080c1452;display:flex;flex-direction:column}.video-stage{position:relative;aspect-ratio:3/4;background:radial-gradient(circle at top,#fffffff2,#ecf0f7f5),linear-gradient(180deg,#f5f7fb,#e8edf5);display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:560px}.video-image{position:absolute;top:8px;right:8px;bottom:0;left:8px;width:100%;height:100%;object-fit:contain;object-position:center top}.video-active{position:absolute;top:8px;right:8px;bottom:0;left:8px;width:100%;height:100%;object-fit:contain;object-position:center top;z-index:1}.video-loading{position:absolute;z-index:2;display:flex;align-items:center;gap:8px;padding:12px 16px;background:#0009;border-radius:20px;color:#fff;font-size:14px}.loading-dot{width:8px;height:8px;background:#fff;border-radius:50%;animation:pulse 1s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.4;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}.caption-bar{padding:12px 16px;background:#0e121c75;color:#f5f7fb;font-size:14px;line-height:1.5;min-height:48px;display:flex;align-items:center;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.caption-text{width:100%}.caption-text.user{color:#9dd3ff}.caption-text.hint{opacity:.6;font-size:13px}.history-drawer{max-height:220px;overflow-y:auto;background:#0f141f94;border-top:1px solid rgba(255,255,255,.08);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.history-content{padding:12px 16px;display:flex;flex-direction:column;gap:8px}.hist-item{display:flex;gap:8px;font-size:13px;color:#ffffffe6}.hist-item .role{color:#74c0fc;min-width:36px;flex-shrink:0}.hist-item.assistant .role{color:#ffd43b}.hist-item .text{flex:1;word-break:break-word}.control-dock{padding:14px 16px 16px;background:#f8fafd5c;border-top:1px solid rgba(255,255,255,.28);display:flex;align-items:center;justify-content:center;gap:12px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.dock{display:flex;align-items:center;gap:12px;width:100%;justify-content:center}.dock-btn{min-width:84px;height:42px;border-radius:999px;border:none;background:#ffffffb8;color:#314056;font-size:13px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0 16px;transition:all .2s;box-shadow:inset 0 1px #ffffff59}.dock-btn:hover:not(:disabled){background:#ffffffe0;transform:translateY(-1px)}.dock-btn:disabled{opacity:.4;cursor:not-allowed}.dock-btn.muted{background:#ffe6e6eb;color:#c92a2a}.dock-btn.muted:hover:not(:disabled){background:#ffdcdcfa;color:#c92a2a}.dock-btn.active{background:#deeeffeb;color:#1864ab}.call-btn{height:52px;min-width:144px;padding:0 28px;border-radius:999px;border:none;background:linear-gradient(180deg,#2fd38a,#13b46f);color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:all .2s;box-shadow:inset 0 1px #ffffff3d,0 12px 24px #18b26947}.call-btn:hover:not(:disabled){transform:translateY(-1px)}.call-btn:disabled{opacity:.5;cursor:not-allowed}.call-btn.active{background:linear-gradient(180deg,#ff6b6b,#e03131);box-shadow:0 10px 20px #e031313d}.call-btn.active:hover{background:linear-gradient(180deg,#ff6b6b,#e03131)}.history-list{padding:12px 16px;display:flex;flex-direction:column;gap:10px}.history-item{display:flex;gap:8px;font-size:13px;color:#ffffffe6;line-height:1.5}.history-item .role{min-width:36px;flex-shrink:0;color:#74c0fc}.history-item.assistant .role{color:#ffd43b}.history-item .text{flex:1;word-break:break-word}.error-toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);padding:12px 20px;background:#ff6b6b;color:#fff;border-radius:8px;font-size:14px;box-shadow:0 4px 12px #0003;z-index:100}@media (max-width: 480px){body{padding:0}#root{max-width:100%}.video-card{border-radius:0;min-height:100vh}.video-stage{flex:1;min-height:0}.video-image,.video-active{top:0;right:0;bottom:0;left:0}.dock{gap:10px}.dock-btn{min-width:72px;height:40px;padding:0 12px}.call-btn{min-width:126px;height:48px}}