@charset "UTF-8";
/**
 * 
 * @authors Your Name (you@example.org)
 * @date    2019-01-28 14:59:44
 * @version $Id$
 */
.content{
	width: 1200px;
	margin: 0 auto;
}
.content .content_top{
	width:1200px;
	text-align: center;
}
.case_ul{
	width:1200px;
	height: 50px;
}
.case_ul ul{
	width:500px;
	height: 50px;
	margin:0 auto;

}
.clear{
	clear: both;
}
.case_ul ul li{
	float: left;
	height: 30px;
	font-size: 16px;
	font-family: 微软雅黑;
	color: #999999;
	text-align: center;
	height: 30px;
	margin-left: 25px;

}
.case_ul ul li .aa{
	font-size: 16px;
	font-family: 微软雅黑;
	color: #999999;
	height: 30px;
	display: block;
}
.on{
	color: #2680c3;
	border-bottom:2px solid #2680c3;
	font-weight: 600;
}
.case_content{
	margin-bottom: 200px;
}
.case_content li{
	width: 590px;
	height: 590px;
	float: left;
	margin-left: 10px;
	margin-top: 10px;
	overflow: hidden;
}
.case_content li img{
	width: 100%;
	height: 100%;
	cursor: pointer;
    transition: all 0.6s;
}
.case_content .case_title{
	width: 100%;
	height: 50px;
	display: block;
	position: relative;
	top: -54px;
	color: #fff;
	font-weight: 600;
	font-size: 18px;
	font-family: 微软雅黑;
	line-height: 50px;
	text-align: center;
	background: #1c090d;
	opacity: 0.5;
}
.case_content .case_title a{
	color: #fff;
	font-weight: 600;
	font-size: 18px;
	font-family: 微软雅黑;
	opacity: 1;
}
.banner{
	text-align: center;
	margin: auto;
}