.study_box{
	overflow: hidden;
}
.study_box .level_box{
	padding: .5rem 0;	
}
.study_box .level_box.bg{
	background: #333;
}
.study_box h3{
	text-align: center;
	margin-bottom: .1rem;
	font-size: .32rem;
}
.study_box h6{
	width: 75%;
	margin: 0 auto;
	font-size: .18rem;
	text-align: center;
	line-height: 1.5;
	margin-bottom: .2rem;
}
.study_box .level_box.bg h3,.study_box .level_box.bg h6{
	color: #fff;
}
.study_box ul{
	display: flex;
	justify-content: flex-start;
	align-items: stretch;
	flex-wrap: wrap;
}
.study_box ul li{
	width: 32%;
	margin: 0 2% .2rem 0;
	position: relative;
	overflow: hidden;
}
/* .study_box ul li:before{
	content: '';
	display: block;
	width: 100%;
	height: 100%;
	position: absolute;
	left: 0;
	top: 0;
	transition: all .3s ease;
}
.study_box ul li:hover:before{
	background: rgba(0,0,0,.3);
} */
.study_box ul li p{
	position: absolute;
	width: 100%;
	height: .4rem;
	line-height: .4rem;
	padding: 0 .1rem;
	box-sizing: border-box;
	left: 0;
	bottom: -100%;
	background: rgba(0,0,0,.5);
	color: #fff;
	font-size: .16rem;
	transition: all .3s ease;
}
.study_box ul li:hover p{
	bottom: 0;
}
.study_box ul li a{
	text-decoration: none;
}
.study_box ul li img{
	display: block;
	width: 100%;
	height: 3.rem;
}
.study_box ul li:nth-child(3n){
	margin-right: 0;
}

@media (max-width: 768px) {
	.study_box h3{
		font-size: .36rem;
	}
	.study_box h6{
		width: 100%;
		font-size: .24rem;
	}
	.study_box ul li{
		width: 100%;
		margin: 0 0 .3rem 0;
	}
	.study_box ul li img{
		height: 4rem;
	}
}