/* 图标字体缺失时的兜底：使用系统字体，避免空白或方块 */
@font-face {
  font-family: 'icon';
  src: local('Arial Unicode MS'), local('Segoe UI Symbol'), local('Apple Color Emoji'), local('Noto Color Emoji'), sans-serif;
  font-display: swap;
}
@font-face {
  font-family: 'Muiicons';
  src: local('Arial Unicode MS'), local('Segoe UI Symbol'), sans-serif;
  font-display: swap;
}