ul, li{
	list-style:none;
	
}

a:hover{
	color:#000000;
}
#content{
	width:100%; margin:auto;
}
#header{

}
#header ul,
#header ul li{
	display:inline;
}
.nav_main{ 
	margin-bottom:0px;
	width:100%;
	text-align:center;

	
}
.nav_main ul li{
	float: left;
}

.nav_current{
	background:url('../images/index_r2_c8.jpg');
	display: block;
	float: left;
	font-size: 13px;
	
	font-weight: bold;
	height: 33px;
	padding-top: 7px;
	text-decoration: none;
	width: 83px;
}
.nav_link{
	background:url('../images/index_r2_c7.jpg');
	display: block;
	float: left;
	font-size: 13px;
	font-weight: bold;
	height: 33px;
	padding-top: 7px;
	text-decoration: none;
	width: 83px;
}
.sub_box_de{
	float:left;
	
}
.sub_box{
	float: left;
	display: none;
}