.head{height:80px;border:1px solid #ddd;background:#fff;text-align:center;line-height:80px;width:100%}.nav{width:100%;margin:0 auto}.content{background:#fff;width:90%;margin:20px auto;border-left:1px solid #e5e5e5;border-right:1px solid #e5e5e5;text-align:center;box-sizing:border-box}.content h1{padding-top:30px;margin-bottom:0}.first-box{border-top:1px solid #e5e5e5;border-bottom:1px solid #e5e5e5;padding:20px}.first-box p{display:flex;justify-content:space-between}.last-box{display:flex;justify-content:center}.last-box img{width:84px;height:84px;margin-right:30px}.left{float:left}.right{float:right}.clearfix:after{content:"020";display:block;height:0;clear:both;visibility:hidden}.clearfix{zoom:1}.qr-code .left{width:50%}