.about{
	width: 100%;
	height: auto;
	overflow: hidden;
	background: #e9e9e9;

}
.about .about_z{
	width: 25%;
	height:auto;	
	float: left;
	background: #e9e9e9;
	overflow: hidden;
	padding: 3em 0;
}
.about .about_z ul{
	width: 140px;
	height: auto;
	float: right;
	padding-right: 1em;
}
.about .about_z ul li{
	line-height: 46px;
	padding: 0 1em;
	font-size: 16px;
}
.about .about_z ul li:active{
	background: #fff;
}
.about .about_z ul .l1{
	border-bottom: 1px solid #000;
}
.about .about_z ul .l2{
	border-bottom: 1px solid #999;
}
.about .about_z ul .l3{
	background: #fff;
	color: #f90;
}
.about .about_y{
	width: 75%;
	float: left;
	height: auto;
	background: #fff;
	padding-bottom: 300px;
	overflow: hidden;
}
.about .about_y .about_xq{
	width: 80%;
	height: auto;
	float: left;
	overflow: hidden;
}
.about .about_y .about_xq .p1{
	line-height: 30px;
	padding: 3em 3em;
}
.about .about_y .about_xq h3{
	padding: 2em 2.5em 0 1.3em;
	font-size: 24px;
	color: #003e73;
}
.about .about_y .about_xq .chuzhong{
	width: 92%;
	height: auto;
	margin: 40px auto;
	overflow: hidden;

}
.about .about_y .about_xq .chuzhong .img{
	width: 45%;
	height: auto;
	float: left;
	overflow: hidden;
}
.about .about_y .about_xq .chuzhong .img img{
	width: 100%;
	height: 300px;
}
.about .about_y .about_xq .chuzhong .xue_xq{
	width: 50%;
	height: 300px;
	float: left;
	border-top: 1px solid #ccc;
	border-right: 1px solid #ccc;
	margin: 0 0 0 2em
}
.about .about_y .about_xq .chuzhong .xue_xq2{
	width: 50%;
	height: 300px;
	float: left;
	border-top: 1px solid #ccc;
	border-left: 1px solid #ccc;
	margin: 0 2em 0 0em
}