.daohang{width:100%;height:.59rem;background-color:#fff;border-top:1px solid #e4e4e4}.Navigation{text-align:center;position:relative;width:25%;height:100%;float:left;font-size:0}.Navigation a{display:inline-block;width:100%;height:100%}.Navigation img{position:relative;top:.05rem;height:.48rem;width:.5rem}.kongbai{position:relative;height:5.85rem}.kongtu{position:absolute;width:100%;text-align:center;top:1rem}.kongtu img{height:1rem}.kongtext{position:relative;text-align:center;top:2.2rem;font-size:.15rem;color:#a8a8a8}