@font-face {
  font-family: "KaiOld";
  src: url("//static.xuantong.cn/fonts/KaiOld/v2/KaiOld.eot");
  /* IE9 */
  src:
    url("//static.xuantong.cn/fonts/KaiOld/v2/KaiOld.eot?#iefix")
      format("embedded-opentype"),
    url("//static.xuantong.cn/fonts/KaiOld/v2/KaiOld.woff2") format("woff2"),
    /* IE6-IE8 */ url("//static.xuantong.cn/fonts/KaiOld/v2/KaiOld.woff")
      format("woff"),
    /* chrome、firefox */ url("//static.xuantong.cn/fonts/KaiOld/v2/KaiOld.ttf")
      format("truetype"),
    /* chrome、firefox、opera、Safari, Android, iOS 4.2+ */
      url("//static.xuantong.cn/fonts/KaiOld/v2/KaiOld.svg#KaiOld")
      format("svg");
  /* iOS 4.1- */
  font-style: normal;
  font-weight: normal;
}