.tuijian ul{width:100%;height:153px;display:flex;justify-content:space-between}.tuijian ul li{width:24%}.tuijian ul img{width:100%;height:100%}.tuijian-xiebao-title{width:1000px;height:60px;margin:20px auto}.tuijian-xiebao-title img{display:block;margin:0 auto}.block-title{float:left;height:60px;margin:20px 0}footer{height:400px;margin:0 auto;margin-top:3100px}