:root{--shop-viewport-width:10rem}body{background:#fff;margin:0}#app{width:100%;max-width:var(--shop-viewport-width);background:#fff;min-height:100vh;margin:0 auto}#app .auth-page,#app .van-submit-bar,#app .van-action-bar,#app .van-address-list__bottom{width:100%;max-width:var(--shop-viewport-width);left:50%;right:auto;transform:translate(-50%)}