.casus{
	padding-top: 110px;
}
.casus .title,.case .title{
	position: relative;
	font-size: 34px;
	color: #343434;
	text-align: center;
	margin-bottom: 80px;
}
.casus .title:before,.case .title:before{
	position: absolute;
	bottom: -26px;
	content: "";
	width: 100px;
	height: 5px;
	background-color: #ff0000;
	left: 50%;
	transform: translateX(-50%);
}
.casus-list{
	display: flex;
	overflow: hidden;
}
.casus-item{
	position: relative;
	width: 33.3%;
	background-color: #272b34;
}
.casus-item:hover .icon{
	display: none;
}
.casus-item .icon{
	display: block;
}
.casus-item .message{
	position: absolute;
	top: 50%;
	left: 0;
	width: 70%;
	left: 15%;
	transform: translateY(-50%);
	text-align: center;
	color: white;
}
.casus-item .message .en-text,.casus-item .message .text{
	font-size: 24px;
	font-family: "黑体";
}
.casus-item .message .text{
	
}
.casus-item .message .description{
	padding-top: 40px;
	font-size: 20px;
	font-family: "黑体";
	text-align: left;
}
.case{
	text-align: center;
	padding-top: 120px;
}
.case .title{
	margin-bottom: 60px;
}
.case .case-list{
	width: 1200px;
	margin: 0 auto;
	overflow: hidden;
}
.case .case-list .case-item{
	display: inline-block;
	width: 25%;
	padding: 20px 0;
	float: left;
}
@media screen and (max-width:768px) {
	.casus{
		padding-top: 30px;
	}
	.casus .title,.case .title{
		font-size: 20px;
		margin-bottom: 30px;
	}
	.casus .title:before,.case .title:before{
		width: 60px;
		height: 3px;
	}
	.casus-list{
		display: block;
	}
	.casus-item{
		width: 100%;
		display: block;
	}
	.casus-item .icon{
		width: 100%;
	}
	.case{
		padding-top: 30px;
	}
	.case .case-list{
		width: 100%;
	}
	.case .case-list .case-item{
		width: 50%;
	}
	
}