.van-nav-bar{position:relative;z-index:1;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;height:46px;line-height:1.5;text-align:center;background-color:#fff;-webkit-user-select:none;user-select:none}.van-nav-bar .van-icon{color:#1989fa}.van-nav-bar__arrow{min-width:1em;margin-right:4px;font-size:16px}.van-nav-bar--fixed{position:fixed;top:0;left:0;width:100%}.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}