:root{--bg-deep: #07101b;--bg-mid: #12243d;--panel: rgba(14, 32, 56, .76);--line: rgba(128, 198, 255, .26);--text: #e6f5ff;--subtext: #a8c6dc;--accent: #3dc5ff;--accent-warm: #4cffbf;--danger: #ff7f7f}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--text);font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;background:radial-gradient(circle at 15% 20%,rgba(61,197,255,.2),transparent 28%),radial-gradient(circle at 85% 10%,rgba(76,255,191,.18),transparent 30%),linear-gradient(145deg,var(--bg-deep),var(--bg-mid))}.page{width:min(1120px,92vw);margin:24px auto 36px;display:grid;gap:16px;grid-template-columns:repeat(12,1fr)}.panel{border:1px solid var(--line);background:var(--panel);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:8px;padding:16px}.avatar-panel{grid-column:span 8;display:grid;place-items:center;min-height:320px}.control-panel{grid-column:span 4;display:flex;flex-direction:column;gap:12px}.transcript-panel,.answer-panel{grid-column:span 6;min-height:170px}.transcript-panel h2,.answer-panel h2{margin:0 0 8px;font-size:18px;color:var(--subtext)}.transcript-panel p,.answer-panel p{margin:0;line-height:1.6}.avatar-ring{width:210px;height:210px;border-radius:50%;display:grid;place-items:center;border:2px solid rgba(61,197,255,.42);box-shadow:0 0 #3dc5ff33}.avatar-ring.listening{animation:listeningPulse 1s ease-in-out infinite}.avatar-head{width:158px;height:158px;border-radius:50%;background:linear-gradient(180deg,#1d4f7f,#19365c);position:relative;display:flex;justify-content:space-evenly;align-items:center;padding-top:24px}.avatar-eye{width:22px;height:22px;border-radius:50%;background:#d6f3ff;box-shadow:0 0 18px #d6f3ff85}.avatar-mouth{position:absolute;bottom:38px;width:46px;height:10px;border-radius:10px;background:#92d8ff}.avatar-mouth.speaking{animation:talk .32s steps(2) infinite}.status-row{margin-top:20px;display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:center}.status-badge{padding:6px 12px;border-radius:6px;border:1px solid rgba(76,255,191,.45);color:var(--accent-warm);font-size:14px}.session-id{color:var(--subtext);font-size:12px;overflow-wrap:anywhere}.primary-btn,.secondary-btn{border:1px solid transparent;border-radius:6px;padding:10px 14px;color:#061221;font-size:15px;font-weight:700;cursor:pointer}.primary-btn{background:linear-gradient(140deg,var(--accent),#6fe6ff)}.secondary-btn{background:#c2e3f7}.primary-btn:active,.secondary-btn:active{transform:translateY(1px)}.error-text{margin:0;color:var(--danger);min-height:24px}@keyframes listeningPulse{0%{box-shadow:0 0 #3dc5ff4d}to{box-shadow:0 0 0 18px #3dc5ff00}}@keyframes talk{0%{height:10px;width:46px}to{height:22px;width:34px}}@media (max-width: 920px){.avatar-panel,.control-panel,.transcript-panel,.answer-panel{grid-column:span 12}}