html,body{font-size:75px;margin:0;font-family:"Microsoft YaHei";-webkit-text-size-adjust:none}
.container{position:absolute;transform:translate(-50%,-50%);top:50%;left:50%;text-align:center;width:100%}
.container .course-logo{width:4.866667rem;height:auto}
.container .center{margin:2rem 0 2.666667rem;font-size:.4rem}
.container .center img{width:3.333333rem;height:3.333333rem;margin-bottom:.133333rem}
.container .center p{margin:.266667rem 0;font-weight:700}
.container .bottom p{font-size:.346667rem;color:#666;margin:0;line-height:.8rem}