html{
	background-color: #E6F0FE;
	/* background-image: url(../img/bg.gif); */
}
body{
	width: 1000px;
	margin: 10px auto 10px auto;
	border: 1px solid transparent;
	background-color: whitesmoke;
	border-radius: 50px;
	box-shadow: 0px 0px 20px 1px #3333335e;
	font-family: serif,'仿宋';
}
.wellcome{
	height: 200px;
	text-align: center;
}
#head_img{
	border-radius: 100px;
	border: 2px solid #9e9e9e;
	width: 100px;
	height: 100px;
}
.wellcome>ul,li{
	color: #FFFFFF;
	/* 取消默认的内边距 */
	padding: 0;
	/* 取消列表的项目符号 */
	list-style: none;
	display: inline;
}
.wellcome>ul{
	border: 2px solid #9e9e9e;
	border-radius: 55px;
	padding: 10px;
	background-color: #aaaaaa;
}
.wellcome li:first-child, li:nth-child(2){
	font-weight: bold;
}
.wellcome li:first-child{
	color: beige;
}
#exit_a{
	color: #ffffff;
}
#exit_a:hover{
	color: #bbf2d8;
}

#coming_soon{
	text-align: center;
	color: #78849c;
}
a{
	text-decoration: none;
	color: #009688;
}
a:hover{
	color: red;
}
/* 顶部导航栏 */
.nav{
	overflow: hidden;
	width: 800px;
	margin: 0 auto;
	font-family: "仿宋"; 
	font-weight: 600;
}
#nav_col1{
	font-weight: bold;
	color: beige;
	margin-right: 10px;
}
.nav ul{
	margin: 20px auto;
	padding: 0 10px;
	list-style: none;
	float: right;
	background-color: #84a495;
	border-radius: 20px;
}
.nav ul li{
	font-size: 16px;
	text-align: center;
	height: 30px;
	line-height: 30px;
	color: white;
	margin: 10px 10px;
	float: left;
}
.nav ul li a{
	display: inline-block;
	height: 40px;
	line-height: 30px;
	color: white;
}
.nav ul li a:hover{
	color: #bbf2d8;
}
#active{
	background-image: url(../img/point.png);
	background-repeat: no-repeat;
	background-size: 20px 60px;
	background-position: center 20px;
}
#active:hover{
	background-image: url(../img/point.png);
	background-repeat: no-repeat;
	background-size: 20px 60px;
	background-position: center -21.3px;
}

/* table */
.main_nav{
	border-bottom: 1px solid #999999;
	text-align: center;
	margin: 20px auto;
	width: 1000px;
	color: #777777;
}

.main_nav th{
	border-bottom: 1px dotted #777777;
	height: 30px;
}
.main_nav td{
	border-bottom: 1px dotted #777777;
	height: 30px;
}
.main_nav thead tr:first-child th{
	border-bottom: 1px solid #999999;
}
.nav_video{
	width: 40px;
	height: 40px;
	/* line-height: 30px; */
	border-radius: 30px;
	border: 1px solid #777777;
	display: inline-block;
	background-color: #a9b8bb;
	background-image: url(../img/Video.png);
	background-size: 30px 90px;
	background-repeat: no-repeat;
	background-position: 6px 6px;
	/* color: #f5f5f500; */
	color: transparent;
	font-size: 13px;
	font-weight: 400;

}
.nav_video:hover{
	background-color: lightslategray;
	background-position: 6px -55px;
	color: transparent;
}
.col2{
	text-align: left;
}
.foot{
	width: 1000px;
	margin: 100px auto 5px auto;
	text-align: center;
}
.foot img{
	width: 100px;
	margin: 30px auto 2px auto;
}
.Copyright{
	display: block;
	font-size: 16px;
	color: lightslategray;
	margin: 10px auto;
}