/* 摄像头测试：预览画面 + 操作按钮 + 画面信息 */
.cm-stage{position:relative;display:flex;align-items:center;justify-content:center;width:100%;max-width:48rem;aspect-ratio:16 / 9;border:1px solid #e2e6ed;border-radius:.6rem;background:#111418;overflow:hidden}
.cm-video{display:block;width:100%;height:100%;object-fit:contain;background:#000}
.cm-video.is-mirror{transform:scaleX(-1)}
.cm-placeholder{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;padding:1.25rem;color:#9aa4af;font-size:.8125rem;line-height:1.6;text-align:center}
.cm-placeholder i{font-size:2rem;color:#5d6871}
.cm-mirror{margin-left:auto}
.cm-on{color:#2f7a55}

.cm-kv{padding:.625rem .75rem;border:1px solid #eef1f5;border-radius:.5rem;background:#fafbfd}
.cm-kv-k{color:#8a9199;font-size:.75rem}
.cm-kv-v{margin-top:.125rem;font-size:.9375rem;font-weight:600;color:#3f4650;word-break:break-all}
.cm-shot{display:block;max-width:100%;border:1px solid #e2e6ed;border-radius:.5rem}
.cm-notes li+li{margin-top:.375rem}

@media (max-width:575.98px){
  .cm-mirror{width:100%;margin-left:0}
}