#header.menu-background1 {
	font-weight: bold;
	font-size: 11pt;
	height: 30px;
}

.menu-background1 .menu {
	font-size: 17px;
	color: #878787;
	font-weight: 500;
}


.lab_header {
	width: 700px;	
	
	position: relative;

		background: #043d86;
		bottom: 30px;
		

}

.menu-background1 td li {
	/* 导航栏大小 */
	width: 120px;
	height: 57px;
	/* 去浮动，使li横向布局 */
	float: left;
	/* 每个li之间间隙 */
	position: relative;
	/* top: -10px; */
	/* left: 15px; */
	/* 去点 */
	list-style: none;
	/* 背景颜色 */
	text-align: center;

	/* 行高，使文本居中 */
	line-height: 60px;
	background: #043d86;
	/* border-right: 1px solid #dee0e5; */

}
.menu-background1 td li ul{
	position: relative;
	top: -15px;
	z-index: 9999;
}

.menu-background1 td li a span {
	font-size: 16px;
	color: #ffffff;
	font-weight: 600;
	padding: 0px 26px;
	position: relative;
	/* right: 7px; */
	/* top: -7px; */
	/* background: url(../img/guide1.png) no-repeat 95px; */

}

/* .menu-background1 td li a span:hover {

	font-size: 17px;
	color: #fff;
	font-weight: 500;

} */

.menu-background1 td li:hover {
	font-size: 19px;
	color: #fff;
	background: #4174c5;

}

.menu-background1 td li ul a {
	/* 去点 */
	list-style: none;
	/* 下拉菜单大小 */
	width: 150px;
	padding: 0 20px;

	float: left;
	/* 背景颜色 */
	background-color: rgba(65, 116, 197, 0.8);

	color: #FFFFFF;
	font-size: 16px;
	margin-left: -30px;
	font-weight: 500;
	    border-bottom: 1px solid rgb(87, 142, 195);
}

/* 隐藏 */
.menu-background1 td li ul a {
	display: none;
}

/* 显示 */
.menu-background1 td li:hover ul a {
	display: block;
	transition: 0.3s;
	cursor: pointer;
	float: left;
	position: relative;
	top:-0.2vh;
	z-index: 2;
	
}

.menu-background1 td li ul a:hover {
	cursor: pointer;
	background-color: white;
	/* font-size: 15px; */
	color: black;
}