*{box-sizing:border-box}body{color:#172033;background:radial-gradient(circle at 12% 8%,#ffe8e8 0,#fff 28%,#f4f7fb 100%);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}.page{min-height:100vh;padding:24px}.topbar{justify-content:space-between;align-items:center;gap:16px;max-width:1240px;margin:0 auto 18px;display:flex}.topbar h1{letter-spacing:1px;margin:0;font-size:32px}.topbar p{color:#687386;margin:6px 0 0}.top-actions{align-items:center;gap:12px;display:flex}.toggle{color:#4b5563;align-items:center;gap:6px;font-size:14px;display:flex}.layout{grid-template-columns:minmax(0,1fr) 420px;gap:18px;max-width:1240px;margin:0 auto;display:grid}.stage-card,.side-card{background:#ffffffe0;border:1px solid #e2e8f0e6;border-radius:28px;padding:22px;box-shadow:0 18px 60px #1e293b1f}.mascot-wrap{align-items:center;gap:24px;min-height:280px;display:flex}.mascot{object-fit:contain;filter:drop-shadow(0 18px 32px #dc26262e);transform-origin:bottom;width:210px;max-height:260px}.speech{--speech-accent:#b45309;background:linear-gradient(#fff8f2 0%,#fff 100%);border:1px solid #fbbf2447;border-radius:30px 30px 30px 10px;flex-direction:column;flex:1;justify-content:space-between;gap:14px;min-height:220px;padding:22px 26px 24px;display:flex;position:relative;box-shadow:0 20px 40px #0f172a1a}.speech:before{content:"";border:9px solid #0000;border-right-color:#fff8f2fa;position:absolute;bottom:30px;left:-14px}.speech.speaking{--speech-accent:#c2410c}.speech.listening{--speech-accent:#b91c1c}.speech.processing{--speech-accent:#2563eb}.speech.success{--speech-accent:#047857}.speech.error{--speech-accent:#be123c}.speech.user{--speech-accent:#2563eb;background:linear-gradient(#f5f9ff 0%,#fff 100%);border-color:#60a5fa59}.speech.success{animation:.6s ease-out speechGlowSuccess}.speech.error{animation:.6s ease-out speechGlowError}.speech-head{align-items:center;display:flex}.speech-badge{min-height:32px;color:var(--speech-accent);letter-spacing:0;background:#ffffffeb;border:1px solid #94a3b833;border-radius:999px;align-items:center;padding:6px 12px;font-size:13px;font-weight:800;display:inline-flex}.speech-content{color:#172033;word-break:break-word;min-height:112px;max-height:168px;font-size:19px;font-weight:700;line-height:1.66;overflow:hidden}.speech-content.dense{font-size:17px;line-height:1.56}.speech-content.compact{font-size:15px;line-height:1.48}.speech-content.ultra{font-size:13px;line-height:1.4}.speech-content.micro{font-size:12px;line-height:1.34}.speech-hint{color:#64748b;min-height:24px;font-size:14px;line-height:1.5}.score-row{grid-template-columns:repeat(4,1fr);gap:12px;margin:8px 0 14px;display:grid}.score-row div{text-align:center;background:#f8fafc;border:1px solid #e2e8f0;border-radius:18px;padding:14px}.score-row b{color:#e11d48;font-size:28px;display:block}.score-row span{color:#64748b;font-size:13px}.progress{background:#e2e8f0;border-radius:999px;height:12px;overflow:hidden}.progress i{background:linear-gradient(90deg,#ef4444,#f97316);border-radius:999px;height:100%;transition:width .3s;display:block}.mic-frame{background:linear-gradient(135deg,#fff5f5fa,#ffffffeb);border:1px solid #fecaca;border-radius:22px;align-items:center;gap:14px;margin-top:16px;padding:16px 18px;display:flex;box-shadow:0 10px 28px #ef44441a}.mic-frame.side{margin-top:0;margin-bottom:18px}.mic-visual{--level:.15;flex-shrink:0;align-items:flex-end;gap:4px;width:42px;height:28px;display:flex}.mic-visual i{transform-origin:bottom;background:#ef4444;border-radius:999px;width:4px;height:10px;animation:.9s ease-in-out infinite paused equalizer;display:block}.mic-visual i:nth-child(2){animation-delay:.12s}.mic-visual i:nth-child(3){animation-delay:.24s}.mic-visual i:nth-child(4){animation-delay:.36s}.mic-visual i:nth-child(5){animation-delay:.48s}.mic-frame-text{flex-direction:column;gap:4px;display:flex}.mic-frame-text b{color:#b91c1c;font-size:13px}.mic-frame-text span{color:#475569;font-size:15px;line-height:1.45}.mic-frame.recording .mic-visual i{background:#dc2626;animation-play-state:running}.mic-frame.speaking{background:linear-gradient(135deg,#fff7edfa,#ffffffeb);border-color:#fdba74}.mic-frame.speaking .mic-visual i{background:#f97316;animation-play-state:running}.mic-frame.waiting{background:linear-gradient(135deg,#eff6fffa,#ffffffeb);border-color:#bfdbfe}.mic-frame.waiting .mic-visual i{background:#2563eb}.mic-frame.locked{background:linear-gradient(135deg,#f8fafcfa,#ffffffeb);border-color:#cbd5e1}.mic-frame.locked .mic-visual i{background:#475569;animation-play-state:running}.start-panel{justify-content:center;align-items:center;gap:12px;margin-top:24px;display:flex}.start-panel label{color:#64748b}.start-panel select{background:#fff;border:1px solid #cbd5e1;border-radius:12px;height:42px;padding:0 12px}.question-card{background:#fff;border:1px solid #e2e8f0;border-radius:24px;margin-top:20px;padding:22px}.q-meta{color:#ef4444;margin-bottom:8px;font-size:13px}.question-card h2{margin:0 0 18px;font-size:24px;line-height:1.45}.options{grid-template-columns:1fr 1fr;gap:12px;display:grid}.option{text-align:left;cursor:pointer;background:#f8fafc;border:2px solid #e2e8f0;border-radius:18px;align-items:center;gap:12px;padding:15px 16px;font-size:18px;transition:all .2s;display:flex}.option span{color:#fff;background:#ef4444;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-weight:800;display:inline-flex}.option:hover:not(:disabled){background:#fff;border-color:#ef4444;transform:translateY(-2px)}.option:disabled{cursor:not-allowed;opacity:.78}.option.correct{background:#ecfdf5;border-color:#22c55e}.option.correct span{background:#22c55e}.option.wrong{background:#fff1f2;border-color:#ef4444}.controls{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:18px;display:flex}button{cursor:pointer;color:#172033;background:#fff;border:1px solid #cbd5e1;border-radius:999px;padding:11px 20px;font-size:15px;font-weight:700;transition:all .2s}button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 20px #0f172a1f}button:disabled{opacity:.45;cursor:not-allowed}.primary{color:#fff;background:linear-gradient(135deg,#ef4444,#fb7185);border:none}.restart{color:#fff;background:linear-gradient(135deg,#7c3aed,#ec4899);border:none;box-shadow:0 10px 24px #7c3aed33}.voice{color:#ef4444;background:#fff5f5;border-color:#ef4444}.answer-result{text-align:center;border-radius:16px;margin:18px auto 0;padding:12px 18px;font-weight:800}.answer-result.ok{color:#047857;background:#ecfdf5}.answer-result.bad{color:#be123c;background:#fff1f2}.answer-result.animated{animation:.55s ease-out resultPop}.side-card{max-height:calc(100vh - 100px);overflow:auto}.history-panel h3,.prompt-panel h3{margin:0 0 12px}.history-panel ul{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.history-panel li{background:#f8fafc;border:1px solid #e2e8f0;border-radius:14px;grid-template-columns:70px 40px 1fr;align-items:center;gap:10px;padding:10px 12px;display:grid}.history-panel li.ok{border-color:#bbf7d0}.history-panel li.bad{border-color:#fecdd3}.history-panel li b{font-size:18px}.history-panel li em{color:#64748b;font-style:normal}.muted{color:#94a3b8}.tip{color:#475569;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:18px;margin-top:20px;padding:16px;line-height:1.65}.prompt-panel.empty{color:#64748b;line-height:1.8}.panel-title-row{justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;display:flex}.prompt-panel label{color:#475569;margin:12px 0 6px;font-weight:700;display:block}.prompt-panel textarea{resize:vertical;color:#172033;background:#f8fafc;border:1px solid #cbd5e1;border-radius:14px;width:100%;min-height:76px;padding:12px;line-height:1.55}.prompt-panel textarea.long{min-height:220px}.prompt-panel textarea.code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px}.realtime-debug{border-bottom:1px solid #e2e8f0;margin-bottom:22px;padding-bottom:18px}.mic-pill{color:#64748b;white-space:nowrap;text-overflow:ellipsis;background:#f1f5f9;border-radius:999px;align-items:center;max-width:210px;min-height:30px;padding:6px 10px;font-size:12px;font-weight:700;display:inline-flex;overflow:hidden}.mic-pill.on{color:#047857;background:#ecfdf5}.modal-backdrop{z-index:30;background:#0f172a75;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.result-modal{text-align:center;background:#fff;border-radius:28px;width:min(440px,100%);padding:30px 28px;box-shadow:0 24px 70px #0f172a42}.result-modal h2{color:#172033;margin:0 0 10px;font-size:30px}.result-modal p{color:#e11d48;margin:0;font-size:20px;font-weight:800}.result-modal-stats{flex-wrap:wrap;justify-content:center;gap:14px;margin:20px 0 24px;display:flex}.result-modal-stats span{color:#475569;background:#f8fafc;border:1px solid #e2e8f0;border-radius:999px;min-width:120px;padding:10px 14px;font-weight:700}.realtime-log{max-height:280px;overflow:auto}.history-panel .realtime-log li{grid-template-columns:68px 120px 1fr;padding:8px 10px;font-size:12px}.realtime-log li.empty{color:#94a3b8;display:block}.realtime-log li.audio{border-color:#bfdbfe}.realtime-log li.mic{border-color:#bbf7d0}.realtime-log li.client{border-color:#fed7aa}.realtime-log li.server{border-color:#e9d5ff}.realtime-log b{word-break:break-word;font-size:12px}.realtime-log em{word-break:break-word;line-height:1.45}@keyframes equalizer{0%,to{transform:scaleY(calc(.35 + var(--level) * .55));opacity:.7}50%{transform:scaleY(calc(.8 + var(--level) * 1.6));opacity:1}}@keyframes resultPop{0%{opacity:.35;transform:scale(.94)}60%{opacity:1;transform:scale(1.02)}to{transform:scale(1)}}@keyframes speechGlowSuccess{0%{box-shadow:0 0 #10b98100}50%{box-shadow:0 0 0 8px #10b9811f,0 20px 40px #0f172a1a}to{box-shadow:0 20px 40px #0f172a1a}}@keyframes speechGlowError{0%{box-shadow:0 0 #f43f5e00}50%{box-shadow:0 0 0 8px #f43f5e1f,0 20px 40px #0f172a1a}to{box-shadow:0 20px 40px #0f172a1a}}@media (width<=980px){.layout{grid-template-columns:1fr}.side-card{max-height:none}.mascot-wrap{flex-direction:column}.speech{width:100%;min-height:200px}.speech:before{display:none}}@media (width<=640px){.page{padding:12px}.topbar{flex-direction:column;align-items:flex-start}.options{grid-template-columns:1fr}.score-row{grid-template-columns:repeat(2,1fr)}.mascot{width:160px}.speech{min-height:188px;padding:18px 18px 20px}.speech-content{min-height:92px;max-height:156px;font-size:17px}.question-card h2{font-size:20px}.mic-frame{align-items:flex-start}.history-panel .realtime-log li{grid-template-columns:1fr}.mic-pill{max-width:100%}}