body{background:url(../images/service/topbg.jpg) repeat-y center top;}
	.btn_box{
		position:relative;
		float:left;
		width:100%;height:100%;
	}
	.btn_box li{
		position:relative;overflow:hidden;
		float:left;
		width:50%;height:50%;
		background-size:cover;
		background-position:center center;
	}
	.biger{
		display:none;
		position:absolute !important;z-index:50;
		width:100%;height:100%;
		background-size:cover;
		background-repeat:no-repeat;
		background-position:center center;
	}
	.biger .infoWrap{
		position: absolute;z-index:50;
		top: 0;bottom: 0;left: 0;right: 0;
		height: 100%;
		padding:10px;
		margin: auto;
	}
	.infoWrap .infoBoxBG{
		display:table;position:relative;
		height: 100%;width:100%;
		background-color:#fff;background-color:rgba(255,255,255,0.7);
	}
	.infoWrap .info_content{
		text-align:center;
		vertical-align:middle;display:table-cell;
	}
	.infoWrap #info_open{
		display:inline-block;*display:inline;_display:inline;
		border:3px solid #555555;
		width:180px;height:45px;line-height:39px;
		margin-top:15px;
	}
	.infoWrap #info_close{
		position:absolute;
		display:none;
		height:28px;line-height:28px;bottom:0px;
		right:0px; padding:0 15px;
		color:#fff;font-size:14px;font-weight:bold;
		background:black;
		cursor:pointer;
	}
	.infoWrap #get_infoTxt{
		display:none;
		padding:10px 15px 0 15px;
		font-size:12px;line-height:28px;
		color:#555555;
	}
	#page_wrap {height:100%;position:relative;}
	#page_wrap div{
		height:100%;
		background-size:cover;
	}