@font-face {
  font-family: 'PingFangSc';
  src: url('../font/PingFangSC_Thin.woff2') format('woff2'), /* 优先加载 WOFF2 */
       url('../font/PingFangSC_Thin.ttf') format('truetype'); /* 最后兼容 TTF */
  font-weight: normal;
  font-style: normal;
}