.college-menu{
	background-color:#BFDAEF;
	width:100%;
	
}
.college-menu>div{
	max-width:1220px;
	margin:0px auto;
}
.college-menu .menu{
	background-image:url('http://www.gengdan.cn/wp-content/uploads/2018/12/2018120607082648.png');
}
.college-menu .menu-contain>ul{
	display:table;
	width:100%;
}
.college-menu .menu-contain>ul .nav-button{
	display:none;
}
.college-menu .menu-contain>ul>li{
	float:left;
	padding:2%;
	position:relative;
}
.college-menu .menu-contain>ul>li a{
	font-size:18px;
	font-weight:bold;
	color:#444444;
}
.college-menu .menu-contain>ul>li .sub-menu{
	display:none;
	position:absolute;
	width:100%;
	left:0px;
	background-color:#F2F2F2;
	text-align:center;
}
.college-menu .menu-contain>ul>li .sub-menu>li{
	padding:4% 0px;
	border-bottom:1px solid #E6E6E6;
}
.college-menu .menu-contain>ul>li .sub-menu>li a{
	color:#5F5F5F;
}
/*屏幕大于1240*/
@media screen and (min-width: 1240px) {

}
/*屏幕大于等于1200px,小于等于1239px样式*/
@media (min-width: 1200px) and (max-width: 1239px){
	.college-menu>div{
		max-width:1000px;
	}
	.college-menu .menu-contain>ul>li{
		padding:2% 1.5%;
	}
}

/*屏幕大于等于992px,小于等于1199px样式*/
@media (min-width: 992px) and (max-width: 1199px){
	.college-menu>div{
		max-width:1000px;
	}
	.college-menu .menu-contain>ul>li{
		padding:2% 1.5%;
	}					
}
/*屏幕大于等于992px,小于等于1199px样式*/
@media (min-width: 750px) and (max-width: 991px){
	.college-menu .menu-contain>ul .nav-button{
		display:block;
		text-align:right;
		color:#1F1F1F;
	}
	.college-menu .menu-contain>ul .nav-button span{
		font-size:30px;
		width:30px;
		height:30px;
	}
	.college-menu .menu-contain>ul>li{
		float:none;
		display:none;
		text-align:center;
	}
	.college-menu{
		top:0px;
	}
	.college-menu .menu-contain>ul>li .sub-menu{
		position:static;
	}
}
/*屏幕大于等于992px,小于等于1199px样式*/
@media (min-width: 0px) and (max-width: 749px){
.college-menu .menu-contain>ul .nav-button{
		display:block;
		text-align:right;
		color:#1F1F1F;
	}
	.college-menu .menu-contain>ul .nav-button span{
		font-size:30px;
		width:30px;
		height:30px;
	}
	.college-menu .menu-contain>ul>li{
		float:none;
		display:none;
		text-align:center;
	}
	.college-menu{
		top:0px;
	}
	.college-menu .menu-contain>ul>li .sub-menu{
		position:static;
	}



}