.wraper {
	width: 1000px;
	padding-top: 100px;
	margin: 0 auto
}
.nav {
	position: relative;
	width: 100%;
	height: 55px;
	overflow: hidden;
	 padding-top:1px
}
.nav-item {
	position: relative;
	float: left;
	width: 150px;
	height: 55px;
	line-height: 55px;
	text-align: center;
	font-size: 20px;
	font-weight:600;
	z-index: 1;
	font-family: "微软雅黑","Microsoft Yahei";
	 background:url(../images/dhline.png) left center no-repeat
	
}

.nav-item:first-child {
	position: relative;
	float: left;
	width: 150px;
	height: 55px;
	line-height: 55px;
	text-align: center;
	z-index: 1;
	 background:none;
	  color:#FFF

}

.nav-item a {
	display: block;
	height: 55px;
	color: #333;
		font-family: "微软雅黑","Microsoft Yahei";
		 font-weight:bold
}
.nav-item a:hover {
	color: #FFF;
	background: url(../images/dhbgx.png) center center no-repeat;
}
.move-bg {
	display: none;
	position: absolute;
	left: 0;
	top: 0;
	width: 85px;
	height: 55px;
	background: #73983b;
	z-index: 0
}