.zhuanti{
	width: 1200px;
	margin:30px auto;
	overflow: hidden;
	position: relative;
}
.zhuanti li{
	margin-bottom: 20px;
	float: left;
	width: 585px;
	position: relative;
    margin-top: 25px;
    display: inline;
    position: relative;
    line-height: 24px;
    overflow: hidden;
}
.zhuanti li:nth-child(2n){
	margin-left: 30px;
}
.zhuanti li img{
	height: 131px;
	width: 100%;
	vertical-align: middle;
}
.zhuanti li span {
	color: #fff;
	position: absolute; 
	left: 0; 
	bottom: -40px; 
	height: 40px; 
	line-height: 40px; 
	background: url(../images/17xmzgh_bar_bg.png) repeat;
	padding-left: 12px; 
	width: 585px; 
}
.zhuanti li:hover span { 
	color:#fff;
	bottom: 0; 
	transition: all .3s linear; 
}