html,body{height: 100%;overflow:hidden;margin: 0;}
/*body{background:url(https://www.553100.cn/qun/css/bg.jpg) no-repeat 50%;background-size:cover}*/
body{background:url(https://app.553100.cn/static/images/bg.jpg) no-repeat 50%;background-size:cover}
.cont{top:0;left:0;right:0;bottom:0;position:absolute;text-align:center}
.cont img{width:260px;margin:3% 0 20px}
.qun_tit{color:#FF8902;font-size:20px;}
.qun_text{color:#000000;font-size:16px;width:270px;margin:10px auto;line-height:30px;overflow:hidden}
.qun_box{position:absolute;top:50%;left:50%;margin-left:-190px;margin-top:-240px;border-radius:4px;-moz-border-radius:4px;-webkit-border-radius:4px;background-color:#fff;width:380px;height:490px;box-shadow:0 2px 10px #999;-moz-box-shadow:#999 0 2px 10px;-webkit-box-shadow:#999 0 2px 10px}
.qun_text a
{
	font-size:16px;
	text-decoration:none;
	color:#FF8902;
}