.wxtip{background: rgba(0,0,0,0.8); text-align: center; position: fixed; left:0; top: 0; width: 100%; height: 100%; z-index: 998; display: none;}
.wxtip-icon{width: 136px; height: 159px; background: url(../images/tip/WeixinTip.png) no-repeat; display: block; position: absolute; right: 30px; top: 20px;}
.wxtip-txt{margin-top: 107px; color: #fff; font-size: 32px; line-height: 1.5;}