.van-nav-bar{height:80px;background:-webkit-gradient(linear,left top,right top,from(#6e95f7),to(#497def));background:linear-gradient(90deg,#6e95f7,#497def)}.van-nav-bar__title{font-size:38px;color:#fff}.van-nav-bar .van-nav-bar__arrow{font-size:40px;color:#fff}.van-nav-bar.van-hairline--bottom:after{border-width:0}