.about_box{
	height: 600px;
	overflow: hidden;
}
.about_center{
	width: 1200px;
	margin: auto;
}
.about_title{
	text-align: center;
	width: 1200px;
	height: 130px;
	border-bottom: 2px solid #e5e5e5;
	overflow: hidden;
}
.about_title h3{
	font-size: 42px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 18px;
	letter-spacing: 0px;
	color: #2067c4;
	margin-top: 60px;
	font-weight: bold;
}
.about_center li{
	width: 360px;
	height: 314px;
	float: left;
	margin-top: 30px;
	position: relative;
	cursor: pointer;
}
.about_center ul{
	width: 1180px;
	margin: auto;
}
.about_center li p{
	font-size: 22px;
	color: #333333;
    margin-left: 19px;
    margin-top: 26px;
	position: relative;
	z-index: 999;
	line-height: 26px;
}
.shadow{
	width: 358px;
	height:101px;
	background-color: rgba(255, 255, 255, 0.9);
	box-shadow: 0px 3px 9px 0px #eee;
	position: absolute;
	top: 212px;
	left: 1px;
	display: none;
}
.jt{
	position: absolute;
	top: 186px;
	display: none;
	right:30px ;
}
.about_center li:hover .shadow{
	display: block;
}
.about_center li:hover .jt{
	display: block;
}
.about_center li:nth-child(2){
	margin-left: 50px;
	margin-right: 50px;
}