.first .ad{position:relative}.first .ad .tab-box{width:710px;height:142px;overflow:hidden}.first .ad .prev,.first .ad .next{position:absolute;top:50px;left:0;background-color:#f0f0f1}.first .ad .prev:hover,.first .ad .next:hover{background-color:#dadada}.first .ad .next{left:690px}.first .ad .offer{display:inline;float:left;width:245px;height:122px}.first .ad .offer.l{padding:20px 44px 0 65px;border-right:1px solid #e5e8ed}.first .ad .offer.r{padding:20px 65px 0 44px}.first .ad .info,.first .ad .img{display:inline;float:left}.first .ad .info{width:130px;margin-right:12px;line-height:25px;padding-top:15px}.first .ad .light-blue{margin-top:5px}