.shouyeclass{height:100%;width:100%}.van-nav-bar--fixed{z-index:999!important}.van-nav-bar{background-color:#0074ff!important}.van-nav-bar .van-icon,.van-nav-bar__text,.van-nav-bar__title{color:#fff!important}.pa{padding-top:46px;height:calc(100% - 46px)}.body,body,html{height:100%}body,html{width:100%}