#mainArticle{background: none;}

/*display none*/
.mainbody .i-show .phone,.box h2,.i-er
{display: none;}

.mainbody{width: 100%;}
.mainbody .i-show{width: 100%;}

.box {
    width: 100%;
    position: fixed;
    height: 100%;
    left: 0;
    top: 0;
}

.box .iframe {
    position: absolute;
    border: 0;
    background: #fff;
    width: 100%;
    height: 100%;
}
.box .iframe.none{display: block;}
.box .bottom {
    width: 100%;
    height: 14%;
    position: absolute;
    bottom: 0;
    z-index: 999;
    left: 0;
    right: 0;
    margin: auto;
}
.box .erwei{display: block;position: fixed;width: 189px;height: 189px;left: 50%;z-index: 999;transform: translate(-50%);top: 28%;opacity: 0;}
.box .erwei img{width: 189px;height: 189px;}
.box img{position: absolute;bottom: 0px;width: 100%;height: 60px;}