.content{width:100%}.content.mar{margin-top:1.46667rem}.nav_contaienr{position:fixed;bottom:0;left:0;right:0}.nav{-webkit-justify-content:space-around;justify-content:space-around;height:2.48rem;background-image:url(../../dist/img/tab_bar.a3bccf43.png);background-size:100%;background-repeat:no-repeat;z-index:1}.nav,.nav a{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center}.nav a{-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column;-webkit-box-flex:1;-webkit-flex:1;flex:1;font-family:PingFangSC-Medium,PingFang SC;position:relative;top:.53333rem}.nav a img{width:.53333rem;height:.53333rem;display:block}.nav a span{color:#9a9da3;text-align:center;line-height:.53333rem;font-size:.26667rem;display:block;font-weight:500}.nav a .active{color:#e31937}.nav a.scanCode{position:relative;top:.13333rem;z-index:99}.nav a.scanCode img{width:1.2rem;height:1.2rem}.nav a.scanCode span{position:relative;top:.08rem}