.Box {position: relative;}
.Box .content {width: 1200px;margin: 0 auto;}
.Box h2 {text-align: center;margin-bottom: 35px;padding-top: 250px;}
.Box .Box_con {position: relative;}
.Box .Box_con .btnl {position: absolute;}
.Box .Box_con .btn {display: block;width: 41px;height: 41px;position: absolute;top: 210px;cursor: pointer;}
.Box .Box_con .btnl {background: url("jtl02.png")/*tpa=http://www.echo-xm.com/web/resource/pc/images/yipai/jtl02.png*/ no-repeat center;left: -72px;}
.Box .Box_con .btnr {background: url("jtr02.png")/*tpa=http://www.echo-xm.com/web/resource/pc/images/yipai/jtr02.png*/ no-repeat center;right: -72px;}
.Box .Box_con .btnl:hover {background: url("jtl03.png")/*tpa=http://www.echo-xm.com/web/resource/pc/images/yipai/jtl03.png*/ no-repeat center;}
.Box .Box_con .btnr:hover {background: url("jtr03.png")/*tpa=http://www.echo-xm.com/web/resource/pc/images/yipai/jtr03.png*/ no-repeat center;}
.Box .Box_con .conbox {position: relative;overflow: hidden;}
.Box .Box_con .conbox ul {position: relative;list-style: none;}
.Box .Box_con .conbox ul li {float: left;width: 285px;height: 500px;margin-left: 20px;overflow: hidden;}
.Box .Box_con .conbox ul li:first-child {margin-left: 0;}
.Box .BoxSwitch {margin-top: 30px;text-align: center;}
.Box .BoxSwitch span {display: inline-block;*display: inline;*zoom: 1;vertical-align: middle;width: 30px;height: 3px;background: #ccc;margin: 0 5px;cursor: pointer;}
.Box .BoxSwitch span.cur {background: red;}
.Box .Box_con .conbox ul li div{cursor: pointer;height: 215px;margin-bottom: 20px;position: relative;overflow: hidden;}
.Box .Box_con .conbox ul li div .hover{
    position: absolute;
    left: 0;
    top: -100%;
    width: 100%;
    height: 100%;
    text-align: center;
    background: url("alpha_red_80.png")/*tpa=http://www.echo-xm.com/web/resource/pc/images/alpha_red_80.png*/ repeat;
    color: #fff;
    /*display: none;*/
    -o-transition:.3s;
    -ms-transition:.3s;
    -moz-transition:.3s;
    -webkit-transition:.3s;
    transition:.3s;
}
.Box .Box_con .conbox ul li div .hover img{
    margin-top: 50px;
}
.Box .Box_con .conbox ul li div .hover div{
    margin-top: -30px;
    font-size: 18px;
    line-height: 25px;
    width: 80%;
    margin-left:10%;
}
.Box .Box_con .conbox ul li div:hover .hover{
    top:0;
}