.UCenter-bg{background:#fd6b30;background-size:cover;height:346rpx;display:flex;justify-content:center;overflow:hidden;position:relative;flex-direction:column;align-items:center;color:#fff;font-weight:300;text-shadow:0 0 3px rgba(0,0,0,.3)}.btn{position:static;padding-left:0;padding-right:0}