* {
	margin: 0;
	padding: 0;
}
ul,ol {
	list-style-type: none;
}
a,a:link,a:hover {
	text-decoration: none;
}
.clear {
  display: block;
  zoom: 1;
  overflow: hidden;
}
.float-left {
  float: left;
}
.float-right {
  float: right;
}
.nav {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 52px;
	z-index: 99;
	background-color: #525252;
	opacity: 1;
	box-shadow: 0px 2px 3px transparent;
	-moz-box-shadow: 0px 2px 3px transparent;
	-webkit-box-shadow: 0px 2px 3px transparent;
}
.nav:after {
	clear: both;
}
.nav-top {
	width: 928px;
	height: 52px;
	margin: 0 auto;
	line-height: 52px;
	color: #fff;
}
.nav-top > a {
	position: absolute;
	top: 10px;
}
.nav-top a img {
	border: none;
}
.nav-top img {
	vertical-align: middle;
}
.nav-top ul {
	display: table;
	height: 52px;
}
.nav-top ul li {
	display: table-cell;
}
.nav-top ul li {
	padding-left: 50px;
}
.nav-top ul li a {
	font-size: 18px;
	color: #fff;
	line-height: 52px;
	font-family: '宋体',Helvetica,Tahoma,arial,sans-serif;
}
.nav-top ul li a:hover {
	color: #ec661a;
}
.nav-top ul li.wechat {
	position: relative;
}
.nav-top ul li.wechat img {
	position: absolute;
	bottom: -141px;
	left: 15px;
	display: none;
}