.wechat{.wechat-box{width:200px;height:200px;margin-bottom:10px;position:relative}.qr-expired,img{width:200px;height:200px;border:1px solid #ccc}.qr-expired{position:absolute;top:0;left:0;background-color:rgba(0,0,0,.9);display:flex;flex-direction:column;justify-content:center;align-items:center;cursor:pointer}.expired-text{color:#fff;font-size:14px;margin-bottom:10px}.refresh-btn{background-color:#409eff;color:#fff;padding:1px 10px;border-radius:4px;font-size:12px;transition:background-color .3s}.refresh-btn:hover{background-color:#66b1ff}.tip{height:30px;line-height:30px;background-color:#00c800;font-size:12px;color:#fff;text-align:center;margin-bottom:20px;width:200px}}