.pop-tx1111-box{position: fixed;left:50%;top:10px;width:400px;margin-left: -200px; z-index: 999;-webkit-transition:all .3s;-moz-transition:all .3s;-o-transition:all .3s;transition:all .3s;opacity: 0;visibility: hidden}
.pop-box-on{opacity: 1;visibility:visible;}
.pop-tx1111-off1{position: fixed;left: 0;top: 0;width: 100%;height: 100%;background-color:rgba(0,0,0,0.9);z-index: 998;display: none;}
.pop-tx1111-off{position: absolute;top: 0;right:5px;line-height:28px;width:30px;height:30px;border-radius:50%;border:1px solid #fff;font-size: 15px; text-align: center;color: #eee;z-index: 10}
.pop-tx1111-off:hover{background-color: #fff;color:#999;}
.pop-tx1111-on{position: fixed;left:10px;top: 50%;z-index: 997;width: 70px;}
.pop-tx1111-box img,.pop-tx1111-on img{display: block;line-height: 1;width: 100%;height: auto;margin: 0;padding: 0;}

@media screen and (max-width: 720px){
    .pop-tx1111-box{left: 5%;width: 90%;margin-left: 0;}
    .pop-tx1111-on{top: auto;bottom:10px;}
    #kouling{display:none;}
}