.aboutus_content{
	width:1200px;
	margin:0 auto;
	margin-top:46px;
}
.left_nav{
	width:268px;
	height:486px;
	float: left;
	position: relative;
}
.left_nav p{
	width:108px;
	font-size: 20px;
	color:#1e1e1e ;
	border-bottom: 3px solid #8b643a;
	padding-bottom: 10px;
}
.left_nav_line{
	height:2px;
	width:160px;
	background-color: #dcdcdc;
	position: absolute;
	left: 108px;
	top: 29px;
	margin-top:10px;
}
.left_nav ul{
	margin-top:14px;
}
.left_nav ul li{
	width:268px;
	height:50px;
	font-size: 16px;
	margin-top:4px;
	background-color: #727272;
	text-align: center;
	line-height: 50px;
}

.left_nav li:hover{
	background-color: #8b643a;
	cursor: pointer;
}
.left_meun{background-color: #8b643a !important;}
.aboutus_article{
	width:850px;
	
	float: left;
	margin-left: 42px;
	position: relative;
}
.aboutus_article>p:first-child{
	font-size: 20px;
	color: #1e1e1e;
	width:108px;
	border-bottom: 3px solid #8b643a;
	padding-bottom: 10px;
	float:left;
}
.aboutus_article_line{
	height:2px;
	width:782px;
	background-color: #dcdcdc;
	position: absolute;
	top:29px;
	left:108px;
	margin-top:10px;
}
.aboutus_article_content{
	font-size: 14px;
	color:#434343;
	margin-top:28px;
	float: left;
	width: 100%;
}
.mianbao{
	float: right;
	margin-right: 30px;
	margin-top: 6px;
}
.mianbao a{
	color: #1e1e1e;
}