.ss-scroll-navbar{width:100%;height:80rpx;box-shadow:0 2rpx 8rpx rgba(0,0,0,.06);white-space:nowrap;text-align:start}.ss-scroll-navbar .nav-item{height:80rpx;text-align:center;padding:0rpx 20rpx;color:#fff;display:inline-block;position:relative;font-size:32rpx}.ss-scroll-navbar .nav-item .title{line-height:80rpx}.ss-scroll-navbar .nav-item:after{content:"";width:0;height:0;border-bottom:4rpx solid #fff;position:absolute;left:50%;bottom:0;-webkit-transform:translateX(-50%);transform:translateX(-50%);transition:.3s}.ss-scroll-navbar .current{color:#fff;font-weight:700}.ss-scroll-navbar .current:after{width:50%}