/* Favicon 圆角处理 */
@media (prefers-color-scheme: light) {
  link[rel="icon"] {
    filter: drop-shadow(0 0 0 transparent);
    border-radius: 50%;
  }
}

@media (prefers-color-scheme: dark) {
  link[rel="icon"] {
    filter: drop-shadow(0 0 0 transparent);
    border-radius: 50%;
  }
}