.aboutGray {
	top:0px;
	width:100%;
	height:100%;
	display:none;
	z-index:99;
	position:fixed;
	background:rgba(0, 0, 0, 0.3);
}
.about{
	width:700px; 
	height:400px;
	border:1px solid #ebeaea;
	z-index:100;
	display:none;
	position:absolute;
	background-color:#fff;
}
.about .top_nav{
	width:700px;
	height:32px;
	position:relative;
	border-bottom:1px solid #ebeaea;
	background-image: url(top.jpg);
}
.about .top_nav i {
	top:0px;
	left:8px;
	width:30px;
	height:30px;
	display:block;
	position: absolute;
	background: url(icon.png);
}
.about .top_nav span {
	top:5px;
	left:45px;
	font:16px 'microsoft yahei';
	color:#707070;
	display:block;
	position:absolute;
}
.about .top_nav a.close {
	top:1px;
	right:8px;
	width:30px;
	height:30px;
	cursor:pointer;
	display:block;
	position:absolute;
	background:url(close.png) repeat 0px 0px;
}
.about .top_nav a.close span {
	display:none;
}
.about .top_nav a.close:hover {
	background:url(close.png) repeat 0px -35px;
}
.about .min {
	width:780px;
	height:auto;
}
.about .min ul{
	padding-top:20px;
	padding-left:60px;
	
}
.about .min li {
	padding-top:10px;
    font:16px 'microsoft yahei';
}
.about .min li.title{
    font:24px 'microsoft yahei';
}