.lt-msg{ width: 92rpx; height: 92rpx; line-height: 92rpx; background: #FFFFFF; box-shadow: 0rpx 5rpx 15rpx 1rpx rgba(0,0,0,0.15); opacity: 1; position: fixed; bottom:200rpx; right: 30rpx; border-radius: 100%; z-index: 5; } .lt-msg image{ width: 48rpx; height: 48rpx; margin: auto; } .lt-msg-num{ width: 38rpx; height: 38rpx; background: #FF5700; opacity: 1; border: 2rpx solid #FFFFFF; position: absolute; top: -8rpx; right: -8rpx; border-radius: 100%; text-align: center; line-height: 38rpx; font-size: 20rpx; font-weight: 500; color: #FFFFFF; }