/*导航开始*/
.main_nav {
	width: 1000px;
	padding-top:9px;
	height:60px;
	position: relative;
	margin: 0 auto;
	font-family: arial, sans-serif;
}
.main_nav ul {
	padding: 0;
	margin: 0;
	list-style-type: none;
}
.main_nav ul li {
	float: left;
	position: relative;
	line-height: 60px;
	width: 166px;
}
.main_nav ul li a, .main_nav ul li a:visited {
	display: block;
	text-decoration: none;
	color: #ccc;
	width: 111px;
	height: 60px;
	text-align: center;
	line-height: 60px;
	overflow: hidden;
	font-family: "微软雅黑";
	font-weight: normal;
	font-size:14px;
	margin:0 auto;
}

.main_nav ul li:hover a {
	color: #fff;
	background: url(../images/001_r5_c9.jpg);
	width: 111px;
	height: 60px;
}


.main_nav ul li ul {
	display: none;
}
.main_nav ul li:hover ul {
	display: block;
	position: absolute;
	left: 0;
}
.main_nav ul li:hover ul li {
	margin-top: 1px;
}
.main_nav ul li:hover ul li a {
	display: block;
	background: #fff;
	color: #333;
	line-height: 30px;
	height: 30px;
}

.main_nav ul li:hover ul li a:hover {
	color: #fff;
	background: #f00;
}


/*导航结束*/