/* 美化windows滚动条, TODO: 待完善，参考mac scroll是不占用宽度的，漂浮在上方 */
/* https://www.51cto.com/article/716443.html */
body {
  margin: 0;
  overflow: overlay;
}
::-webkit-scrollbar {
  background-color: transparent;
  width: 12px;
}
::-webkit-scrollbar-thumb {
  background-color: transparent;
  border-radius: 8px;
  background-clip: content-box;
  border: 2px solid transparent;
}
body[scroll]::-webkit-scrollbar-thumb,
::-webkit-scrollbar-thumb:hover {
  background-color: rgba(0, 0, 0, 0.5);
}