html, body{
	font-family: simhei;
	margin: 0;
	padding: 0;
	border: 0;
}
.nav{
	width: 100%;
}
.nav_table{
	display: flex;
	flex-direction: row;
	position: fixed;
	top: 0px;
	right: 0px;
	left: 0px;
	padding-bottom: 1%;
	background-color: #4c4c4c;
}
.nav_table span{
	color: white;
	margin: 3% 3% 0px 0px;
}
.nav_table_item:hover{
	color: #55e3ff;
	border-bottom: 2px solid #55e3ff;
	padding-bottom: 20px;
}
.nav_table_item:hover a{
	color: #55e3ff;
}
.logo{
	width: 35%;
	margin: 5% 0% 0% 30%;
}
.current_nav{
	border-bottom: 2px solid #55e3ff;
}
a {
	text-decoration: none;
	color: white;
	width: 100%;
}
#page{
	height: 100%;
}
#footer{
	display: inline-block; 
	vertical-align: middle;
	text-align: center;
	line-height: 70px;
	font-size: 10px;
	color: white;
	width:100%;
	height: 80px;
	background-color: #2f2f48;
}
.current_posittion{
	width: 100%;
	height: 165px;
	background-color: #e8e8e8;
}
.current_title{
	margin-left: 6%;
	padding-top: 8%;
}
.content{
	width: 90%;
	border: 1px solid #e8e8e8;
	margin: 2% 6% 2% 6%;
}
b {
	color: #6f6f6f;
	font-size: 17px;
}
.content_brief{
	margin: 0px 2% 0px 5%;
	color: #a2a2a2;
	line-height: 30px;
	font-size: 15px;
}