@charset "utf-8";
/* CSS Document */
/*tab_1*/
.tab_1{
	width:100%;
	height:468px;
	background:url(../imgs/engineering/whole_bg.jpg) no-repeat center;
	background-size:cover;
	position:relative;
}
.side_info{
	position:absolute;
	left:30%;
	top:30%;
	line-height:46px;
	color:#fff;
}
.side_info .en{
	font-size:36px;
}
.side_info .ch{
	font-size:28px;
}
.side_info span{
	display:inline-block;
	width:53px;
	height:2px;
	background-color:#fff;
	margin-top:14px;
}
/*tab_2*/
.tab_2{
	width:100%;
}
.main_wrap{
	width:1520px;
	margin:0 auto;
}
.engineering{
	width:100%;
	margin:60px auto;
}
.engineering ul li{
	float:left;
	width:370px;
	height:468px;
	margin-right:10px;
	position:relative;
	margin-bottom:10px;
	overflow:hidden;
}
.engineering ul li img{
	width:100%;
	height:100%;
}
.list_info{
	position:absolute;
	left:0;
	top:100%;
	width:100%;
	height:100%;
	padding:16% 10% 10% 12%;
	box-sizing:border-box;
	background-color:rgba(0,0,0,.8);
	overflow-x:hidden;
}
.list_info p{
	font-size:16px;
	line-height:20px;
	color:#fff;
}
@media only screen and (max-width:1600px){
	.tab_1{
		height:390px;
	}
}
@media only screen and (min-width:1280px) and (max-width:1600px){
	.main_wrap{
		width:1224px;
	}
	.engineering ul li{
		width:296px;
		height:374px;
	}
	.list_info p{
		font-size:15px;
		line-height:18px;
	}
}
@media only screen and (max-width:1279px){
	.main_wrap{
		width:928px;
	}
	.engineering ul li{
		width:222px;
		height:280px;
	}
	.list_info p{
		font-size:14px;
		line-height:16px;
	}
}