.content-four{
	width:100%;
	height: auto;
	margin:0 auto;
	border: 0;
	padding: 0;
}
li{ list-style:none; margin:0; padding:0; border:0;}
.con-four{
	width: 24.5%;
	height: auto;
	float: left; margin:0.25%; padding:0;	position: relative;
	overflow: hidden;
	cursor: pointer;
}
.con-four img{
	width:100%;
	height: auto;
}
.txt-four{
	position: absolute;
	left: -497px;
	top: 0;
	width: 100%;
	height: 100%;
	padding-top: 30px;
	line-height: 25px;
	text-align: center;
	color: #fff;
	background: rgba(0,0,0,0.6);
	/*display: none;*/
}
.txt-four h3{
	font-weight: normal; font-size:16px; font-weight:bold;
}
.txt-four p{
	font-size: 12px;
	display: block;
	line-height: 20px;
	width:90%; padding-left:5%;
}
/*------------- 从左侧显示遮罩效果 结束------------------------------*/
/*------------- 图片放大效果 开始 ------------------------------*/