body{ margin: 0px; padding: 0px; list-style: none; font-family: "Microsoft YaHei";}
	img{ border: 0; outline: none;}
	p{ margin: 0px; padding: 0px;}

	.bann{ width: 100%; height: 500px; margin: 0 auto; background: url(../img/ad1.png) center;}
	.bannIn{ width: 960px; height: 500px; margin: 0 auto; }

	.main2{ width: 860px; margin: 0 auto; height: 400px; padding:0 60px; text-align: left;}
    .main2 a.md-a{ color: #333;}
	.case{ width: 258px; height: 400px; float: left; position: relative; }
	.case1{ float: left;}
	.case2{ float: left; margin-left: 40px;}
	.case3{ float: right;}
	.cont{ background-color: #ffffff;
    height: 147px;
    border: 1px solid #dbdbdb;
    border-radius: 5px;
    padding-left: 30px;
    line-height: 30px;
    color: #999;
    padding-top: 25px;
    width: 226px;}
	.cont a{ color: #0066b3; text-decoration: none; }
    #btna1,#btna2,#btna3{ float: right; padding-right: 0px; color: #0066b3;}
	 #btna2{ margin-bottom: 5px;}
	.case em{ text-align: center; display: block; padding: 5px 0;}
	.main-warp{ width: 100%; height: auto; position: relative;}
.mskeLayBg{ 
	background: #000;
    filter: alpha(opacity=50); 
    opacity: 0.5;  
    position: absolute;
    bottom: 0px;
    left: 0px;
    width: 100%;
    height: 421px;
    z-index: 100;
    display:none; }