.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;
}
.about .about_y .about_xq{
	width: 80%;
	height: auto;
	float: left;
	overflow: hidden;
}
.about .about_y .about_xq h3{
	text-align: center;
	padding: 2em 0 1em 0;
	color: #003e73;
	font-size: 24px;
}
.about .about_y .about_xq p{
	padding: 0 2em;
	line-height: 34px;
}
.about .about_y .about_xq img{
	width: 90%;
	height: auto;
	display: block;
	margin: 30px auto;
}