#footer{padding:20px 0}#footer footer-main{width:1200px;margin:0 auto}#footer .address-line{text-align:center;color:#999;font-size:14px;line-height:24px}#footer .address-line span{padding:0 10px}#footer .friends-link{height:26px;line-height:26px;text-align:center}#footer .friends-link a,#footer .friends-link span{vertical-align:top;color:#999;font-size:14px;display:inline-block;margin-right:10px;line-height:24px}#footer .friends-link a:hover{color:#f75959}#footer .sp-copyright{text-align:center;line-height:26px;color:#999;height:26px;line-height:24px}#footer .sp-copyright>*{font-size:14px;display:inline-block;vertical-align:top;height:26px;margin-right:10px}.lessonDetail{padding-top:68px}.lessonDetail .sec-main{min-height:85vh;overflow:hidden;padding-top:30px}.lessonDetail .video-wrapper{width:850px;float:left}.lessonDetail .video-wrapper .head{font-size:16px;color:#333;line-height:24px;margin-bottom:10px}.lessonDetail .video-wrapper .head .on{color:#f75959}.lessonDetail .video-wrapper .title{font-size:24px;color:#333;line-height:30px;font-weight:700;margin-bottom:10px}.lessonDetail .video-wrapper .summary{font-size:24px;color:#333;line-height:30px;font-weight:700;margin-bottom:20px}.lessonDetail .video-wrapper .desc{font-size:16px;color:#666;line-height:24px}.lessonDetail .video-box{background-color:#fff;width:860px;height:500px;overflow:hidden;position:relative;margin-bottom:10px}.lessonDetail .video-box .icon{position:absolute;left:50%;top:50%;z-index:3;font-size:110px;-webkit-transform:translate3d(-50%,-50%,0);transform:translate3d(-50%,-50%,0);color:#fff;opacity:.8}.lessonDetail .video-box .video-face{display:block;width:100%;height:100%}.lessonDetail .video-box .video{width:100%;height:100%}.lessonDetail .aside{float:right;width:310px;padding-top:24px}.lessonDetail .aside .case-title{font-size:18px;color:#333;line-height:30px;margin-bottom:20px;text-align:center;font-weight:700}.lessonDetail .aside .case-title:after,.lessonDetail .aside .case-title:before{content:"";display:inline-block;vertical-align:middle;width:60px;height:1px;background-color:#f75959;margin:-3px 10px 0}.lessonDetail .video-list{background-color:#f9f9f9;min-height:500px;padding-top:20px}.lessonDetail .video-list li{margin-bottom:10px;overflow:hidden;padding:0 10px;cursor:pointer}.lessonDetail .video-list li.on .name,.lessonDetail .video-list li:hover .name{color:#333}.lessonDetail .video-list li.on .num,.lessonDetail .video-list li:hover .num{background-color:#f75959}.lessonDetail .video-list .num{float:left;font-size:12px;color:#fff;line-height:20px;text-align:center;height:20px;min-width:20px;margin-right:12px;background-color:#999}.lessonDetail .video-list .name{float:left;font-size:16px;color:#999;line-height:24px;font-weight:700;width:258px}.lessonDetail .video-list .time{float:left;width:100%;padding-left:32px;font-size:14px;color:#999;line-height:24px}