.header{width:100%;min-width:1200px;height:90px;position:absolute;z-index:5;top:0;left:0;right:0;background-color:rgba(255,255,255,.9)}.header .logo{padding-top:18px}.header .logo img{vertical-align:middle}.header .navs{height:100%;font-size:15px;line-height:1}.header .navs li{height:100%;position:relative;display:inline-block}.header .navs li a{display:inline-block;width:150px;color:#444547;text-align:center}.header .navs li>a{position:relative;z-index:2;font-size:20px;line-height:90px}.header .navs li>a.active{color:#fff;background-color:#C8102E}.header .navs li:hover .sub-tabs{max-height:500px;top:90px;padding:10px 0}.header .navs li .sub-tabs{position:absolute;top:70px;left:0;width:100%;max-height:0;overflow:hidden;background-color:rgba(255,255,255,.9);transition:all .3s ease}.header .navs li .sub-tabs a{font-size:18px;display:block;padding:15px 0}.header .navs li .sub-tabs a.active{color:#C8102E}