/* 帧率检测 */
#fps {
  position: fixed;
  /* 指定位置 */
  left: 10px;
  bottom: 10px;
  z-index: 1919810;
}
[data-theme="light"] #fps {
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: var(--backdrop-filter);
  padding: 4px;
  border-radius: 4px;
}
[data-theme="dark"] #fps {
  background-color: rgba(0, 0, 0, 0.72);
  backdrop-filter: var(--backdrop-filter);
  padding: 4px;
  border-radius: 4px;
}