.topHeaderBack{width:.64rem;height:.64rem}.van-nav-bar__title{font-family:Inter V-Medium,Inter V;font-size:.48rem}.van-nav-bar .van-icon-arrow-left{color:#fff;font-size:.53333rem}.van-nav-bar .van-nav-bar__right{color:#fff}.van-hairline--bottom:after{border:0}