@CHARSET "UTF-8";
body{overflow-x:hidden;}
#nav {
	position:absolute;
	line-height: 43px;
	list-style-type: none;
	/*margin-left:70px;*/
	margin-left:43px;
	/* 2018-09-14,海洋学会  过后删除*/ 
}

#nav a {
	display: block;
	width: 132px;
	text-align: center;
}

#nav a:link {
	color: #fff;
	text-decoration: none;
}

#nav a:visited {
	color: #fff;
	font-weight:bold;
	text-decoration: none;
}

#nav a:hover {
	color: #fff;
	text-decoration: none;
	font-weight: bold;
	background-color:#33a3d7;
}

#nav li {
	float: left;
	/*width:154px;*/
	width:122px;
	font-size: 18px;
	position: relative;
    height:40px;
}

/*菜单白色竖格线*/
#nav li:not(:last-child)::after{
  content: '';
  width: 0px;
  position: absolute;
  top: 8px;
  bottom: 8px;
  right: 0;
  background-color: #FFF;
}

#nav li a:hover {
	
	background:url(menu_sel.png) no-repeat ;
	background-color:#33a3d7;
}

.S102 ul {
	line-height: 36px;
	list-style-type: none;
	text-align: left;
	left: -420em;
	width: 745px;
	position: relative;
	float: right;
	z-index:1001;
}
.S105 ul {
	line-height: 36px;
	list-style-type: none;
	text-align: left;
	left: -420em;
	width: 447px;
	position: relative;
	z-index:1001;
}
.li1 ul {
	line-height: 36px;
	list-style-type: none;
	text-align: left;
	left: -420em;
	width: 720px;
	position: relative;
	float: left;
	z-index:1001;
}


#nav li ul li {
	float: left;
	width: 170px;
	background: #9fbafa;
	/*font-family: arial, 宋体, serif;*/
	font-size: 16px;
	filter:alpha(Opacity=80);
	-moz-opacity:0.8;
	opacity: 0.8;
	z-index:1001;
	
}

#nav .S105 ul li {
	float: right;
	width: 170px;
	background: #9fbafa;
	/*font-family: arial, 宋体, serif;*/
	font-size: 16px;
	filter:alpha(Opacity=80);
	-moz-opacity:0.8;
	opacity: 0.8;
	z-index:1001;
	
}

#nav li ul a {
	display: block;
	width: 170px;
	text-align: center;
	color: #fff;
}

#nav li ul a:link {
	color: #fff;
	text-decoration: none;
}

#nav li ul a:visited {
	color: #fff;
	text-decoration: none;
}

#nav li ul a:hover {
	line-height: 42px;
	color: #fff;
	text-decoration: none;
	font-weight: normal;
	background: #c70019;
}

#nav li:hover ul {
	left: 0px;
}

#nav li.li2:hover ul{left:-266px;width:400px;}
#nav li.li3:hover ul{left:-134px;width:266px;}
#nav li.li4:hover ul{left:-588px;width:720px;}

#nav li ul li:not(:last-child)::after{
  content: '';
  width: 1px;
  position: absolute;
  top: 8px;
  bottom:8px;
  right: 0;
  background-color: #666;
}

#nav .S105 ul li:not(:first-child)::after{
  content: '';
  width: 1px;
  position: absolute;
  top: 8px;
  bottom:8px;
  right: 0;
  background-color: #666;
}
	/*banner*/
.gc-banner{position:absolute; width:100%; margin:0 auto;}
.a-news-item-pic{width:100%}
.a-news-item-pic img{width:100%;}
.a-news{width:100%; clear:both;padding-top:-2px;position:relative; overflow:hidden;}
.a-news-nav{width:330px;float:right;margin-right:250px;}
.a-news-page{width:15px; height:15px;line-height:15px; text-align:center; display:block; cursor:pointer; float:left; background:url(banner-b.png) no-repeat;padding-left: 10px;}
.a-news-page-active{width:15px;height:15px; line-height:14px; text-align:center; display:block; cursor:pointer; float:left; background:url(banner-h.png) no-repeat;}
.content-left{ width:800px; float:left;height:345px;}
.diandian {bottom: 0px;position: absolute;width: 100%;height: 24px;padding-top: 15px;background: #000;filter:alpha(opacity=30);-moz-opacity:0.6;-khtml-opacity: 0.6;opacity: 0.6;}

.foot_txt{clear:both;padding:5px 0 0;overflow:hidden;}
.foot_txt ul{float:left;}
.foot_txt .ul1{width:400px;padding:0 0 0 250px;overflow:hidden;}
.foot_txt .ul1 li{line-height:28px;}
.foot_txt .ul2{width:300px;}
.foot_txt .ul2 li{line-height:28px;}
.foot_txt .ul3 li{float:left;padding:0 8px;}