/*导航菜单*/
.main_nav {
	width:1200px;
	height:39px; 
	line-height:39px; margin:0 auto
}

.main_nav ul li {
	float:left;
	width:168px;  /*主菜单栏目单宽*/
	list-style:none; margin:0px;
        position:relative;
}
.main_nav ul li.tuline {
	float:left;
	width:2px;  /*菜单分隔竖线宽*/
	height:39px;
	position:relative;
	background:url(../images/x.jpg) left center no-repeat;
	list-style:none;   margin:0 px;
}
.main_nav ul li a {
color:#fff;
	display:block;
	width:168px; 
	line-height:39px;
	text-align:center;
	text-decoration:none; 
	font-size:16px;
	background:url(../images/) center no-repeat; 
     
}
.main_nav  li a:hover {

	width:168px; 
	height:39px;
	font-size:16px;
	font-weight:bold;
	text-decoration:none;
	background:url(../images/dh.jpg) center no-repeat; 
}

/* 导航下拉*/
.main_nav ul li ul { display:none;}
.main_nav ul li:hover ul{display:block;position:absolute;left:0;top:39px;z-index:10000}
.main_nav ul li ul li {
	height:30px; /*子菜单栏目单高*/
        border-bottom:1px solid #3d3d3d;position:relative;}
.main_nav ul li ul li a {
	display:block;
	height:30px;  /*子菜单栏目单高*/
	line-height:30px;
	text-align:center;
	color:#FFFFFF;
	font-size:14px;
	font-weight:normal;
	text-decoration:none;
	background:#BF120E;
	
}
.main_nav ul li ul li a:hover {
	color:#fff;
	font-size:14px;
	height:30px;  /*子菜单栏目单高*/
	line-height:30px;
	font-weight:normal;
	text-decoration:none;
	background:#6c0000;

}

.main_nav ul li ul li dl{display:none}
.main_nav ul li ul li dl li{position:relative;}
.main_nav ul li ul li:hover dl{display:block;position:absolute;left:130px;top:8px;z-index:10000}
.main_nav ul li ul li:hover dl dt{height:27px;}
.main_nav ul li ul li:hover dl dt a{
	display:block;
	height:27px;  /*子菜单栏目单高*/
	line-height:27px;
	text-align:center;
	color:#FFFFFF;
	font-size:12px;
	font-weight:normal;
	text-decoration:none;
	background:#BF120E;
        border-left:1px solid #ff5151;
        border-top:1px dashed #ff9d9d
        }
.main_nav ul li ul li:hover dl dt a:hover{color:#fff;background:#760000}