.banner{display:block;width:100%;height:400px;margin-bottom:60px}.product-wrap{margin-bottom:40px}.product-wrap .item{float:left;width:370px;margin-bottom:60px}.product-wrap .item:not(:nth-child(3n)){margin-right:40px}.article{margin-bottom:90px}.article .content{padding:0 12px}.article .content p,.article .content div{margin-bottom:40px;line-height:30px;color:#666;text-indent:32px}