.flex{display:flex}.flex-sb{justify-content:space-between}.flex-center{justify-content:center;align-items:center}.flex-grow{flex:1}.flex-col{flex-direction:column}.ask-menu ul li span{display:inline-block;margin:0 10px}.topic-detail{margin-top:66px}.topic-detail header{font-size:24px;color:#333333;padding-bottom:12px;border-bottom:2px solid #e4021e;font-weight:bold}.topic-detail .container{flex-wrap:wrap}.topic-detail .container li{flex-direction:column;margin-top:40px;cursor:pointer}.topic-detail .container li h2{color:#333333;font-family:SourceHanSansCN-Regular;font-size:20px;padding-left:20px;font-weight:500;position:relative}.topic-detail .container li h2::after{content:"";width:16px;top:13px;height:1px;left:0;background-color:#cccccc;position:absolute}.topic-detail .container li h2::before{content:"";width:1px;top:13px;height:10px;left:0;background-color:#cccccc;position:absolute}.topic-detail .container li .wrapper{border:solid 1px #cccccc;border-top:0px;height:200px;width:570px;padding:20px;box-sizing:border-box}.topic-detail .container li .wrapper .content{width:253px;font-size:14px}.topic-detail .container li .wrapper .content .desc{margin-bottom:33px}.topic-detail .container li .wrapper .content .readNum{color:#999999;margin-bottom:15px}.topic-detail .container li .wrapper .content .time{color:#999999}.topic-detail .container li .wrapper .mimg{width:250px;height:160px}.topic-detail .container li .wrapper .mimg img{height:100%;width:100%}.topic-detail div.page-box .page-wrap ul li{width:30px;height:30px;border-radius:4px;border:solid 1px #cccccc;padding:0;line-height:28px;margin-right:13px;box-sizing:border-box}.topic-detail div.page-box .page-wrap ul li.active{background-color:#e4021e;border:none}.topic-detail div.page-box .page-wrap ul li.prev,.topic-detail div.page-box .page-wrap ul li.next{width:60px}.topic-detail div.page-box .page-wrap ul li.chenge{width:45px}.topic-detail div.page-box .page-wrap ul li.shuru{width:50px}