@charset "utf-8";
*{padding:0;margin:0;}
li{list-style:none;}
body{margin:10px;background:#ccc;}

/* wrap */
.wrap{margin:0px auto;width:1050px;height:437px;position:relative;overflow:hidden;}
.pic{width:679px;height:437px;cursor:pointer;}
.pic1{background:url('../images/教学机器人系列02.png');position:absolute;top:0;left:0;z-index:1;}
.pic2{
	background: url('../images/竞赛机器人系列01.png');
	position: absolute;
	top: 0;
	left: 245px;
	z-index: 3;
	background-image: url(../images/%E7%AB%9E%E8%B5%9B%E6%9C%BA%E5%99%A8%E4%BA%BA%E7%B3%BB%E5%88%9701.png);
}
.pic3{background:url('../images/创客工具.png');position:absolute;top:0;left:336px;z-index:5;}
.pic4{background:url('../images/展示作品.jpg');position:absolute;top:0;left:427px;z-index:7;}
.pic5{background:url('../images/代理产品.jpg');position:absolute;top:0;left:952px;z-index:9;}