/* 麦克风测试：音量条 + 实时波形 / 频谱 + 录音回放 */
.mic-stage{position:relative;border:1px solid #1f2933;border-radius:.6rem;background:#0f1418;overflow:hidden}
.mic-wave{display:block;width:100%;height:11rem}
.mic-placeholder{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;padding:1.25rem;color:#8b97a3;font-size:.8125rem;line-height:1.6;text-align:center}
.mic-placeholder i{font-size:2rem;color:#5d6871}

.mic-meter-wrap{display:flex;align-items:center;gap:.75rem}
.mic-meter{position:relative;flex:1 1 auto;height:.85rem;border-radius:999px;background:#eef1f5;overflow:hidden}
.mic-meter-bar{position:absolute;left:0;top:0;bottom:0;width:0;border-radius:999px;background:linear-gradient(90deg,#22c55e,#eab308 72%,#ef4444);transition:width .06s linear}
.mic-meter-peak{position:absolute;top:-2px;bottom:-2px;left:0;width:2px;background:#334155;opacity:.75}
.mic-db{flex:none;min-width:4.75rem;color:#475569;font-size:.8125rem;font-variant-numeric:tabular-nums;text-align:right}

.mic-spectrum{border:1px solid #1f2933;border-radius:.5rem;background:#0f1418;overflow:hidden}
.mic-spectrum canvas{display:block;width:100%;height:6rem}

.mic-sep{width:1px;height:1.5rem;background:#e2e6ed}
.mic-audio{display:block;width:100%;max-width:26rem}

.mic-kv{padding:.625rem .75rem;border:1px solid #eef1f5;border-radius:.5rem;background:#fafbfd}
.mic-kv-k{color:#8a9199;font-size:.75rem}
.mic-kv-v{margin-top:.125rem;font-size:.9375rem;font-weight:600;color:#3f4650;word-break:break-all}
.mic-notes li+li{margin-top:.375rem}

@media (max-width:575.98px){
  .mic-wave{height:8rem}
  .mic-sep{display:none}
}