.van-tabbar{z-index:1;display:-webkit-box;display:-webkit-flex;display:flex;box-sizing:content-box;width:100%;height:50px;padding-bottom:constant(safe-area-inset-bottom);padding-bottom:env(safe-area-inset-bottom);background-color:#fff}.van-tabbar--fixed{position:fixed;bottom:0;left:0}.van-tabbar--unfit{padding-bottom:0}.van-tabbar-item{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-flex:1;-webkit-flex:1;flex:1;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column;-webkit-box-align:center;-webkit-align-items:center;align-items:center;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;color:#646566;font-size:12px;line-height:1;cursor:pointer}.van-tabbar-item__icon{position:relative;margin-bottom:4px;font-size:22px}.van-tabbar-item__icon .van-icon{display:block}.van-tabbar-item__icon img{display:block;height:20px}.van-tabbar-item--active{color:#1989fa;background-color:#fff}.van-tabbar-item .van-info{margin-top:4px}.van-nav-bar{position:relative;z-index:1;line-height:22px;text-align:center;background-color:#fff;-webkit-user-select:none;user-select:none}.van-nav-bar--fixed{position:fixed;top:0;left:0;width:100%}.van-nav-bar--safe-area-inset-top{padding-top:constant(safe-area-inset-top);padding-top:env(safe-area-inset-top)}.van-nav-bar .van-icon{color:#1989fa}.van-nav-bar__content{position:relative;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;height:46px}.van-nav-bar__arrow{margin-right:4px;font-size:16px}.van-nav-bar__title{max-width:60%;margin:0 auto;color:#323233;font-weight:500;font-size:16px}.van-nav-bar__left,.van-nav-bar__right{position:absolute;top:0;bottom:0;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;padding:0 16px;font-size:14px;cursor:pointer}.van-nav-bar__left:active,.van-nav-bar__right:active{opacity:.7}.van-nav-bar__left{left:0}.van-nav-bar__right{right:0}.van-nav-bar__text{color:#1989fa}.nav-top{box-shadow:1px 1px 10px rgba(0,0,0,.15);z-index:199;background-color:#4e5eaf}.nav-top .van-nav-bar__text,.nav-top .van-nav-bar__title{color:#fff;font-size:16px;font-weight:500}.nav-top .arrow-left,.nav-top .arrow-right{font-size:18px;color:#fff}.page-main{margin:46px 0}.tab-bottom{box-shadow:1px 1px 10px rgba(0,0,0,.3);background:#fff;z-index:99}