.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;
}
.about .about_y .about_xq h3{
	padding: 2em 0 0.5em 0;
	font-size: 24px;
	color: #003e73;
	text-align: center;
}
.about .about_y .about_xq p{
	text-align: center;
}
/* banner */
.c-banner{
	width: 90%;
	position: relative;
	margin: 30px auto;
	height: 420px;
}
.c-banner img{
	width: 100%;
}
.c-banner .banner ul{
	list-style: none;
	padding-left: 0px;
	margin-bottom: 0px;
}
.c-banner .banner ul li{
	position: absolute
	display: none;
	opacity: 0;
}
.c-banner .banner ul li:nth-child(1){
	opacity: 1;
	display: block;
}
.c-banner .banner ul li img{
	width: 100%;
	position: absolute;
	top: 0px;
	height: 420px;
}
.c-banner .banner ul li:first-child img{
	position: relative;
}
.c-banner .nexImg,.c-banner .preImg{
	padding: 25px 10px 25px 10px;
	position: absolute;
	top: 50%;
	margin-top: -53px;
	background: #000000;
	opacity: 0.5;
	border-radius: 5px;
	z-index: 10;
	
}
.c-banner .nexImg:hover,.c-banner .preImg:hover{
	opacity: 0.8;
}
.c-banner .nexImg{
	right: 0px;
}
.c-banner .nexImg img,.c-banner .preImg img{
	
	
}
.c-banner .jumpBtn{
	width: 100%;
	position: absolute;
	bottom: 20px;
	text-align: center;
}
.c-banner .jumpBtn ul{
	margin-bottom: 0px;
	padding: 0px;
}

.c-banner .jumpBtn ul li{
	width: 10px;
	height: 10px;
	border-radius: 50%;
	display: inline-block;
	background-color: #f40;
	opacity: 0.9;
	margin-left: 10px;
}
.c-banner .jumpBtn ul li:first-child{
	margin-left: 0px;
}
@media screen and (max-width:768px) {
	.c-banner{
		width: 100%;
		height: 345px;
		overflow: hidden;
	}
	.c-banner .banner ul li img{
		width: 768px;
		height: 345px;
		position: absolute;
		left: 50%;
		margin-left: -384px;
	}
}


.about .about_y .youshi{
	width: 72%;
	height: auto;
	margin: 1em 0 0 3.2em;
	overflow: hidden;
	float: left;
	border-top: 1px solid #ccc;
	border-bottom: 1px solid #ccc;
}
.about .about_y .youshi ul li{
	width: 25%;
	height:auto;
	float: left;
	overflow: hidden;
	padding: 1em 0;
}
.about .about_y .youshi ul li h5{
	text-align: center;
	font-size: 24px;
}
.about .about_y .youshi ul li p{
	text-align: center;
	font-size: 16px;
}
.about .about_y .xyhj{
	width: 80%;
	height:auto;
	float: left;
	overflow: hidden;
}
.about .about_y .xyhj h3{
	text-align: center;
	font-size: 24px;
	padding: 1.5em 0 1em 0;
	color: #003e73;
}
.about .about_y .xyhj ul li{
	width: 27%;
	height: 290px;
	float: left;
	margin: 1em 0 1em 3em;
	overflow: hidden;
	box-shadow: 5px 10px 5px 10px #eee;
}
.about .about_y .xyhj ul li .img{
	width: 100%;
	height: auto;
	overflow: hidden;
}
.about .about_y .xyhj ul li .img img{
	width: 100%;
	height: 140px;
	overflow: hidden;
}
.about .about_y .xyhj ul li .xyhj_xq{
	width: 100%;
	height: auto;
	overflow: hidden;
	padding: 0.5em 0;
}
.about .about_y .xyhj ul li .xyhj_xq h4{
	font-size: 18px;
	color: #003e73;
	padding: 0 0.5em;
}
.about .about_y .xyhj ul li .xyhj_xq p{
	padding: 0.5em;
}