#teacher{padding-top:60px}#teacher .course_list{margin-bottom:16px}#teacher .box{width:1200px;margin:0 auto;padding-bottom:30px}#teacher .nav{padding:26px 0 16px}#teacher .detail{padding:16px 18px}#teacher .detail .img{width:128px;height:128px}#teacher .cont .tabbar_box{padding:0 22px;margin-bottom:20px}#teacher .cont .tabbar_box .tabbar_item{display:inline-block;margin-right:46px;padding:20px 0 16px}#teacher .cont .tabbar_box .active:before{content:"";position:absolute;left:calc(50% - 14px);bottom:0;width:28px;height:3px;background:#5295f3;border-radius:2px}#teacher .cont .mar_t-30{margin-top:30px}