*{padding: 0; margin: 0;}
img{border: none;}
ol,ul,li{list-style: none;}
a{text-decoration: none;}
body{ font-family: "微软雅黑";}

/*----------- 遮罩内容区 开始------------------------------------*/

/*------------- 从左侧显示遮罩效果 开始 ------------------------------*/
.content-four{
	width:1100px;
	margin:0px auto;
	padding: 180px 25px 15px 60px;
}
.con-four{
	width: 240px;
	height: 160px;
	float: left;
	margin-right: 35px;
	margin-bottom: 15px;
	position: relative;
	overflow: hidden;
	cursor: pointer;
}
.con-four img{
	width:240px;
	height: 160px;
}
.txt-four{
	position: absolute;
	left: -260px;
	top: 0;
	width: 100%;
	height: 160px;
	line-height: 45px;
	text-align: center;
	padding-top:20px;
	color: #fff;
	background: rgba(0,0,0,0.6);
	/*display: none;*/
}
.txt-foura{
	font-size:26px;
	font-weight:bold;
}
.txt-fourb{
	font-size: 18px;
	display: block;
	line-height: 20px;
	text-align:left;
	padding:10px 5px 0px 5px;
}
/*------------- 从左侧显示遮罩效果 结束------------------------------*/