@font-face {
  font-family: 'MyCustomFont';
  src: url('font/font.woff2') format('woff2'),
       url('font/font.woff') format('woff');
  font-weight: normal;
  font-style: normal;
}

body {
  font-family: 'MyCustomFont', sans-serif; /* 使用自定义字体，如果不支持则回退到 sans-serif */
}