/* .o2_main{display: none;} */
.pic{float:left;width:630px;height:400px;position: relative;}
.pic img{float:left;width:630px;height:400px;}

/************************************************/
.c1_l2{width:100%; height:50px; left:0px; top:350px; display:block; position:absolute; background:#000; -moz-opacity:0.4; opacity:0.4; filter:alpha(opacity=40); z-index:9;}
.c1_l3{width:100%; height:50px; left:0px; top:350px; display:block; position:absolute; -moz-opacity:1; opacity:1; filter:alpha(opacity=100); z-index:10; overflow:hidden; text-indent:17px; line-height:45px; font-size:14px; color:#fff; font-weight:bold; font-family:"宋体";}
.c1_l3 a{color:#fff;}
.xu2_1{width:630px; height:400px; float:left; display:inline;}
.xu2_1 .xu2_3{width:630px ;height:400px; display:none; float:left; overflow:hidden;}
.xu2_1 .xu2_3 .screenshot{display: block;}
.xu2_1 .xu2_4{width:auto; height:10px; right:20px; top:370px; display:block; position:absolute; -moz-opacity:1; opacity:1; filter:alpha(opacity=100); z-index:11;}
.xu2_1 .xu2_4 a{float:left;margin-left:7px;display:inline;width:10px;height:10px;background: url(over.png) center no-repeat;_background:url(over.png) center no-repeat;}
.xu2_1 .xu2_4 a.current{background: url(on.png) center no-repeat;_background: url(on.png) center no-repeat;}
.xu2_1 .xu2_4 .xu2_6{display:inline;}
.xu2_1 .xu2_4 a.xu2_5{background: url(left.gif) no-repeat;margin-left:10px;margin-right:8px;display:inline;}
.xu2_1 .xu2_4 a.xu2_7{background: url(right.gif) no-repeat;margin-right:8px;display:inline;}

/**********************************************/


@media (max-width: 991.98px) {
    .pic{margin-bottom:30px;}
    .pic{float:left;width:100%;height:250px;position: relative;}
    .pic img{float:left;width:100%;height:250px;}
    .c1_l2{width:100%; height:50px; left:0px; top:200px; display:block; position:absolute; background:#000; -moz-opacity:0.4; opacity:0.4; filter:alpha(opacity=40); z-index:9;}
.c1_l3{width:100%; height:50px; left:0px; top:200px; display:block; position:absolute; -moz-opacity:1; opacity:1; filter:alpha(opacity=100); z-index:10; overflow:hidden; text-indent:17px; line-height:45px; font-size:14px; color:#fff; font-weight:bold; font-family:"宋体";}
.xu2_1{width:100%; height:250px; float:left; display:inline;}
.xu2_1 .xu2_3{width:100% ;height:250px; display:none; float:left; overflow:hidden;}
.xu2_1 .xu2_4{width:auto; height:10px; right:20px; top:220px; display:block; position:absolute; -moz-opacity:1; opacity:1; filter:alpha(opacity=100); z-index:11;}
}