body{
	margin:0;
}
a{
	text-decoration:none;
}
.main_div{
	margin:auto;
}
.head_div{
	width:100%;
	background-color:#fff;
	padding-top: 1px;
}
.head_div .hlkj_span{
	color:#000;
	font-weight: bold;
	position:absolute;
}
.head_div .zzy_span{
	color:#2f2f2f;
	position:absolute;
}
.head_div .nav_div{
	float:right;
	/*
	background-color:#00f;
	*/
}

.head_div .nav_div .item_div{
	text-align:center;
}

.head_div .nav_div .item_div a{
	color:#5e5e5e;
}