.banner-about{background:url('/static/index/img/about_bg.jpg') center;height:176px;text-align:center;color:#fff}.about{margin-bottom:20px;margin-top:20px}.about>div{background-color:#fff;padding:40px}.about .l{float:left;width:220px}.about .r{float:right;width:calc(100% - 230px)}.about .l h2{margin-bottom:10px;margin-top:10px}.about .l ul{line-height:32px;list-style:none;padding:0}.about .l ul li{padding-left:20px;margin:5px 0}.about .l ul li:hover,.about .l ul li.activ{background:#E7E7E7;border-radius:4px}.about .l ul li a{display:block}.about .r h1{font-size:36px;color:#1E70C3;font-weight:400;margin-bottom:20px}