/* 雪花特效 */
[data-theme="light"] #snow{
    display: block;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -2;
  }

  /* 雪花黑夜模式不显示 */
  /* [data-theme="dark"] #snow{
    display: none;
  } */