@font-face {
    font-family: 'youyuan';
    src: url('/font/youyuan.ttf') format('truetype');
}
body {font-family: SimSun, Verdana, Sans-serif, "Microsoft YaHei", "Helvetica Neue", "SimHei", Helvetica, STHeiTi, sans-serif !important;}
.data_box {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-align: center;
    min-height: 100vh;
    overflow: hidden;
}
/*!*网页课程列表默认隐藏 js控制默认展示*!*/
.data_box .course_list {display: none;}