.van-nav-bar{position:relative;z-index:1;line-height:22px;text-align:center;background-color:#fff;-webkit-user-select:none;-moz-user-select:none;-ms-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:flex;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:flex;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}.van-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;box-sizing:border-box;padding:32px 0}.van-empty__image{width:160px;height:160px}.van-empty__image img{width:100%;height:100%}.van-empty__description{margin-top:16px;padding:0 60px;color:#969799;font-size:14px;line-height:20px}.van-empty__bottom{margin-top:24px}