.nav {
	position:relative;
	width:100%;
	height:60px;
	line-height:60px;
	font-family:"Microsoft YaHei",SimSun,SimHei;
	font-size:16px;
	margin-top:50px;
}
.nav a {
	color:#3e3e3e;
}
.nav h3 {
	font-size:100%;
	font-weight:normal;
}
.nav .m {
	float:left;
	position:relative;
	z-index:1;
}
.nav .s {
	float:left;
	width:3px;
	text-align:center;
	color:#D4D4D4;
	font-size:12px;
}
.nav h3 a {
	display:block;
	width:125px;
	text-align:center;
	font-weight:bold;
}
.nav .sub {
	display:none;
	position:absolute;
	left:-3px;
	top:62px;
	z-index:1;
	width:125px;
	border:1px solid #E6E4E3;
	border-top:0;
	background:#fff;
}
.nav .sub li {
	text-align:center;
	padding:0 5px;
	margin-bottom:-1px;
}
.nav .sub li a {
	display:block;
	border-bottom:1px solid #E6E4E3;
	padding:5px 0;
	height:28px;
	line-height:28px;
	color:#3e3e3e;
	font-size:14px;
	font-weight:bold;
	letter-spacing:1px;
}
.nav .sub li a:hover {
	color:#34c61c;
}
.nav .block {
	height:3px;
	width:125px;
	background:#34c61c;
	position:absolute;
	left:0;
	top:58px;
	overflow:hidden;
}