.banner{
	background: url(../images/aboutbanner.jpg) center top;
	width: 100%;
	height: 500px;
	margin-top: 80px;	
}
.about{
	width: 1230px;
	margin: 0 auto;
	position: relative;
	height:665px;
}
.adv{
	width: 960px;
	height: 140px;
	background: url(../images/about_adv.jpg) no-repeat left top;
	position: absolute;
	left: 0;
	top: -70px;
	box-shadow:0 0 20px rgba(0,0,0,0.1);
	-webkit-box-shadow:0 0 20px rgba(0,0,0,0.1);
	-moz-box-shadow:0 0 20px rgba(0,0,0,0.1);
	z-index: 2;
}
.bl{
	width: 375px;
	height: 675px;
	background: url(../images/about_bl.png) no-repeat left top;
	position: absolute;
	right: 0;
	top: -210px;
}
.conts{
	width: 840px;
	padding-top: 140px;
	font-size: 14px;
}
.conts .title{
	font-size: 20px;
	font-weight: bold;
	margin-bottom: 30px;
}
.conts p{
	margin-bottom: 20px;
	line-height: 24px;
}
.ln{
	width: 100%;
	position: absolute;
	bottom: -110px;
	left: 0;
}
.ln ul{
	width: 100%;
	display: block;
}
.ln ul li{
	display: block;
	float: left;
	background: white;
	width: 230px;
	height: 270px;
	box-shadow:0 0 20px rgba(0,0,0,0.1);
	-webkit-box-shadow:0 0 20px rgba(0,0,0,0.1);
	-moz-box-shadow:0 0 20px rgba(0,0,0,0.1);
	margin-right: 20px;
}
.ln ul li:last-child{
	margin-right: 0;
}
.ln ul li .pic{
	width: 100%;
	height: 160px;
	overflow: hidden;
}
.ln ul li .pic img{
	max-width: 100%;
}
.ln ul li .txt{
	padding:15px 10px;
}
.ln ul li .txt strong{
	font-weight: bold;
	text-align: center;
	display: block;
	margin-bottom: 10px;
}
.ln ul li .txt p{
	font-size: 14px;
	color: #666;
	line-height: 24px;
}
.tit{
	text-align: center;
	margin-top: 80px;
	margin-bottom: 40px;
}
.tit h4{
	font-size: 28px;
	display: block;
}
.tit font{
	font-size: 10px;
	color: #666;
	margin-top: 6px;
	display: block;
}
.groupadv{
	padding-bottom: 40px;
}
.group_adv{
	width: 1230px;
	height: 520px;
	margin: 0 auto 20px auto;
}
.group_adv01{
	background: url(../images/group_adv01.jpg) no-repeat left top;	
}
.group_adv02{
	background: url(../images/group_adv02.jpg) no-repeat left top;	
}
.group_adv03{
	background: url(../images/group_adv03.jpg) no-repeat left top;	
}
.group_adv04{
	background: url(../images/group_adv04.jpg) no-repeat left top;	
}
.history{
	background: url(../images/history.jpg) center top;
	width: 100%;
	height: 742px;
	display: block;
	overflow: hidden;
}
.history .tit{
	margin-top: 50px;
}
.history .tit h4,.history .tit font{
	color: white;
}
.video{
	width:960px;
	margin: 0 auto;
}
.aboutarea{
	width: 100%;
	padding: 20px 0;
	background: url(../images/aboutarea.jpg) no-repeat center top;
	height: 728px;
}