blockquote,body,button,dd,dl,dt,fieldset,form,h1,h2,h3,h4,h5,h6,hr,input,legend,li,ol,p,pre,td,textarea,th,ul,div,a,section{box-sizing:content-box}body{background-color:#f8f8f8}.help-center-banner{width:100%;height:140px;background:url(../images/help_center_banner.jpg) top center}.help-center-wrap{width:1370px;margin:0 auto;margin-bottom:40px;padding-top:40px}.help-center-l{width:260px}.help-center-l h3{font-weight:normal}.help-center-l .hc-menu-ul .column-tit-item{border-top:1px solid #e2e6ea;background-color:#f8f8f8}.help-center-l .hc-menu-ul .column-tit-item a{display:inline-block;color:#333;height:100%;width:100%;margin-left:-12px}.help-center-l .hc-menu-ul .column-tit-item a:hover{color:#333}.help-center-l .hc-menu-ul .column-tit-item,.help-center-l .hc-menu-sub a{height:50px;line-height:50px;font-weight:normal;font-size:14px;color:#333}.help-center-l .hc-menu-ul li{text-indent:1em;background-color:#f3f3f3}.help-center-l .hc-menu-ul li:last-child{border-bottom:1px solid #e2e6ea}.help-center-l .hc-menu-sub{display:none}.help-center-l .hc-menu-sub a{display:block;text-indent:2em;background-color:#f8f8f8;transition:all .3s}.help-center-l .hc-menu-sub a:hover{background-color:#18b872;color:#fff}.help-center-l .hc-menu-sub .active{background-color:#18b872;color:#fff}.help-center-l .hc-dir-icon{width:11px;height:6px;margin:22px 20px 0 0;background:url(../images/comm_icos.png) -100px 0}.hc-menu-ul .on .hc-dir-icon{background-position:-120px 0}.help-center-r{width:1060px;color:#333}.help-center-r .tit{margin-bottom:20px;font-size:24px;font-weight:bold}.help-center-r .online-help-a{width:98px;height:28px;line-height:28px;text-align:center;border:1px solid #fe9b0e;font-size:14px;color:#fe9b0e}.help-center-r .online-help-a:hover{border:1px solid #ff500b;background-color:#ff500b;color:#fff}.help-center-r .details{line-height:1.6;font-size:14px;background-color:#fff;border:1px solid #d8d8d8;padding:40px}.help-center-r .details .img{margin-top:60px;text-align:center}.help-center-r .feedback{width:178px;height:38px;margin:35px auto 100px;line-height:38px;text-align:center;font-size:14px}.help-center-r .feedback a{display:block;color:#fe9b0e;border-radius:25px;border:1px solid #fe9b0e}.help-center-r .feedback a:hover{border:1px solid #ff500b;background-color:#ff500b;color:#fff}@media screen and (max-width: 1610px){.help-center-wrap{width:1172px}.help-center-r{width:880px}}