@font-face {
    font-family: "KaiOld";
    src: url("//static.xuantong.cn/fonts/KaiOld/v1/KaiOld.eot");
    /* IE9 */
    src:
        url("//static.xuantong.cn/fonts/KaiOld/v1/KaiOld.eot?#iefix") format("embedded-opentype"),
        url("//static.xuantong.cn/fonts/KaiOld/v1/KaiOld.woff2") format("woff2"),
        /* IE6-IE8 */
        url("//static.xuantong.cn/fonts/KaiOld/v1/KaiOld.woff") format("woff"),
        /* chrome、firefox */
        url("//static.xuantong.cn/fonts/KaiOld/v1/KaiOld.ttf") format("truetype"),
        /* chrome、firefox、opera、Safari, Android, iOS 4.2+ */
        url("//static.xuantong.cn/fonts/KaiOld/v1/KaiOld.svg#KaiOld") format("svg");
    /* iOS 4.1- */
    font-style: normal;
    font-weight: normal;
}