.course-box[data-v-78eff034]{height:100vh}.course-box .header-train[data-v-78eff034]{margin-bottom:32px;height:92px;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:center;-ms-flex-align:center;align-items:center;padding:0 32px;border-bottom:1px solid #e1e6ed}.course-box .header-train .left-title[data-v-78eff034]{font-size:20px;font-family:PingFangSC,PingFangSC-Medium;font-weight:500;color:rgba(0,0,0,.85);line-height:28px}.course-box .header-train .share-icon[data-v-78eff034]{margin-right:5%;font-size:20px;cursor:pointer}.course-box .video_box[data-v-78eff034]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}