body,html{
	font-size: 12px;
	font-family: "微软雅黑";
	margin:0; 
	padding:0; 
	background-color: #f0f0f0;
}
li,ul{
	list-style:none;
	padding: 0;
	margin: 0;
}
.nav{
	height: 60px;
	background-color: #f5f5f5;
}
.nav img{
	float: left;
	margin-top: 15px;
	width: 170px;
	margin-right: 100px;
}
.nav ul{
	width: 1010px;
	margin: 0 auto;
}
.nav ul li{
	float: left;
	width: 95px;
	text-align: center;
	font-size: 18px;
	color: #FFFFFF;
	height: 57px;
	line-height: 57px;
	margin-right: 50px;
}
.nav ul li a{
	color: #000000;
	text-decoration: none;
	display: block;
}
.nav ul li.on a{
	color: #ff0000;
}