* {
	margin: 0px;
	padding: 0px;
	border: 0px;
}
body {
	font-family: "宋体", sans-serif;
	font-size: 12px;
	color: #000000;
	text-decoration: none;
	text-align: center;
}
#top {
	margin-right: auto;
	margin-left: auto;
}
#menu {
	background-image: url(../images/about_menu.jpg);
	background-repeat: no-repeat;
	background-position: center top;
	height: 74px;
	width: 1002px;
	margin-right: auto;
	margin-left: auto;
	text-align: right;
}
#menu_news {
	background-image: url(../images/news_menu.jpg);
	background-repeat: no-repeat;
	background-position: center top;
	height: 74px;
	width: 1002px;
	margin-right: auto;
	margin-left: auto;
	text-align: right;
}
#menu_pro {
	background-image: url(../images/pro_menu.jpg);
	background-repeat: no-repeat;
	background-position: center top;
	height: 74px;
	width: 1002px;
	margin-right: auto;
	margin-left: auto;
	text-align: right;
}
#menu_contact {
	background-image: url(../images/contacts_menu.jpg);
	background-repeat: no-repeat;
	background-position: center top;
	height: 74px;
	width: 1002px;
	margin-right: auto;
	margin-left: auto;
	text-align: right;

}
#menu_xsyj {
	background-image: url(../images/research_menu.jpg);
	background-repeat: no-repeat;
	background-position: center top;
	height: 74px;
	width: 1002px;
	margin-right: auto;
	margin-left: auto;
	text-align: right;
}
#menu_mide {
	background-image: url(../images/video_menu.jpg);
	background-repeat: no-repeat;
	background-position: center top;
	height: 74px;
	width: 1002px;
	margin-right: auto;
	margin-left: auto;
	text-align: right;
}




#title {
	width: 200px;
	float: left;
	text-align: left;
	font-family: "宋体", sans-serif;
	font-size: 14px;
	font-weight: bold;
	color: #000000;
	height: auto;
	padding-top: 46px;
	padding-left: 230px;
}
.title_ta {
	height: auto;
	width: auto;
	padding-bottom: 3px;
	border-bottom-width: 2px;
	border-bottom-style: solid;
	border-bottom-color: #999999;
	padding-right: 2px;
	padding-left: 2px;
	font-family: "宋体", sans-serif;
	font-size: 14px;
	font-weight: bold;
	color: #000000;
	text-decoration: none;
}


#menu p,#menu_news p,#menu_pro p,#menu_contact p,#menu_xsyj p,#menu_mide p{
	margin-top: 46px;
	margin-right: 50px;
}

#main {
	background-image: url(../images/main_bg.gif);
	background-repeat: repeat-y;
	background-position: center top;
	width: 1002px;
	margin-right: auto;
	margin-left: auto;
	height: auto;
	clear: both;
}
#left {
	float: left;
	width: 140px;!important
	width: 185px;
	text-align: left;
	height: auto;
	padding-left: 45px;
}
#left ul {
	list-style-type: none;
	font-family: "微软雅黑";
	font-size: 14px;
	color: #333333;
	font-weight: bold;
	letter-spacing: 2px;
}
#left img {
}
#left li {
	border-bottom-width: 1px;
	border-bottom-style: solid;
	border-bottom-color: #E8E8E8;
	margin-top: 4px;
	margin-bottom: 4px;
	cursor: pointer;
}
#left a {
	color: #000000;
	text-decoration: none;
}
#left a:hover {
	color: #0033CC;
	text-decoration: none;
}



#content {
	float: right;
	width: 720px;!important
	width: 670px;
	margin-top: 10px;
	text-align: left;
	height: auto;
	line-height: 20px;
	position: relative;
	padding-right: 50px;
}
#tit2 {
	font-family: "宋体", sans-serif;
	font-size: 12px;
	color: #666666;
	text-decoration: none;
	margin-bottom: 20px;
	text-align: center;
	height: auto;
	width: 720px;
}

#ly2 {
	font-family: "宋体", sans-serif;
	font-size: 14px;
	line-height: 22px;
	color: #333333;
	text-decoration: none;
	text-align: left;
	margin-top: 15px;
}
#tab_bod td {
	padding: 6px;
}
#ly4 {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 14px;
	line-height: 20px;
	color: #000000;
	text-align: left;
	margin-top: 30px;
}
#tab_bod2 td {
	padding: 6px;
}
.left_er {
	padding-right: 15px;
	padding-left: 20px;
	font-family: "宋体", sans-serif;
	font-size: 12px;
	font-weight: normal;
}
.left_er p {
	line-height: 20px;
}
#huany {
	text-align: center;
	clear: both;
}




#dib {
	clear: both;
	width: 1002px;
	margin-right: auto;
	margin-left: auto;
}

#footer {
	width: 1002px;
	margin-right: auto;
	margin-left: auto;
	padding-top: 10px;
	padding-bottom: 20px;
	text-align: left;
	clear: both;
}
#footer img {
	padding-left: 23px;
	float: left;
}
#footer p {
	float: right;
	margin-right: 100px;
	margin-top: 25px;
	font-family: Arial, Helvetica, sans-serif;
}
.menu1{
	width:120px;
	height:auto;
	color:#333333;
	cursor:hand;
	overflow-y:hidden;
	filter:Alpha(opacity=70);

-moz-opacity:0.7;
	display: block;
}
.menu2{
	width:120px;
	height:auto;
	color:#333333;
	overflow-y:hidden;
	cursor:hand;
	display:none
}