body{position:relative;background: url(img_s/bigBg.jpg?0627) no-repeat center 42px #100d3d;min-width:980px;}
/*top*/
#top{width:100%;height:72px;overflow:hidden;}
#top .topBgl{width:50%;height:60px;background:#000000;opacity:0.7;filter:Alpha(opacity=70);margin-left:-83px;}
#top .topBgr{width:50%;height:60px;background:#000000;opacity:0.7;filter:Alpha(opacity=70);margin-right:-83px}
#top .navL{left:0;width:50%;text-align: right;margin-left: -83px;}
#top .navR {width:50%;left:50%;margin-left: 83px;top: 0;height: 60px;}
#top .navR img{float:left;padding-left:130px;height:60px;width:116px;}
#top .topIcon{left:50%;margin-left:-83px;width:166px;height: 74px;background:url(http://www.100bt.com/common/activity/nav/lds/style/img_s/top.png) 0 0 no-repeat;_background:none;_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,sizingMethod=noscale,src="http://www.100bt.com/common/activity/nav/lds/style/img_s/top.png");}
#top .navL a{margin: 0 28px 0 10px;color:#FFFFFF;font:16px/60px "微软雅黑";}
#top .navL a:hover{color:#ffcc66;}
#top .tencentWeibo, #top .sinaWeibo{
	display:inline;width:36px;height:40px;
	margin:8px 20px 0 20px;
	cursor:pointer;
}
#top .tencentWeibo{
	margin-left:30px;
	background:url(http://www.100bt.com/common/activity/nav/lds/style/img_s/tencent.png);
	_background:none;
	_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,sizingMethod=noscale,src="http://www.100bt.com/common/activity/nav/lds/style/img_s/tencent.png");
}
#top .sinaWeibo{
	margin-left:0;
	background:url(http://www.100bt.com/common/activity/nav/lds/style/img_s/sina.png);
	_background:none;
	_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,sizingMethod=noscale,src="http://www.100bt.com/common/activity/nav/lds/style/img_s/sina.png");
}
#top .tencentWeibo:hover{
	background:url(http://www.100bt.com/common/activity/nav/lds/style/img_s/w1h.png);
	_background:none;
	_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,sizingMethod=noscale,src="http://www.100bt.com/common/activity/nav/lds/style/img_s/w1h.png");}
#top .sinaWeibo:hover{
	background:url(http://www.100bt.com/common/activity/nav/lds/style/img_s/w2h.png);
	_background:none;
	_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,sizingMethod=noscale,src="http://www.100bt.com/common/activity/nav/lds/style/img_s/w2h.png");
}
#top .authors{position:absolute;top:5px;left:140px;font-size:12px;color:#fff;}
#top .authors p{line-height: 17px;}
#top .authors font{color:#ffcc66;font-size:12px;}
#top .icon{top:0;left:0;margin-left: -18px;margin-top:-20px;width:87px;height:87px;color:#ffff00;text-align: center;font-weight: 800;line-height: 80px;}
/*main*/
.main{width:980px;margin:0 auto;}
.vedioWrap{width:520px;height:390px;margin-top: 139px;margin-left: 441px;_margin-left: 449px;}
.btnWrap{width:545px;height: 57px;margin-top: 19px;margin-left: 441px;_margin-left: 448px;}
.btnL{width:55px;height:55px;}
.btn1{top: 2px;left: -3px;background: url(img_d/jnbtn.png) no-repeat 0px -120px;}
.btn1:hover,.btn1_on{background-position:0 -183px;}
.btn2{top: 2px;left: 65px;width:57px;height:56px;background: url(img_d/jnbtn.png) no-repeat 0px -60px;}
.btn2:hover,.btn2_on{background-position:0 -248px;}
.btn3{top: 2px;left: 133px;background: url(img_d/jnbtn.png) no-repeat 0px 0px;}
.btn3:hover,.btn3_on{background-position:0 -312px;}
.btnLink{position: absolute;width:146px;height:54px;text-indent: -9999px;}
.btnLink1{top: 2px;left: 211px;}
.btnLink2{top: 2px;left: 374px;}

.skillDes{width: 560px;margin-top:21px;margin-left: 434px;color:#7ec7ff;}
#foot{padding:45px 0 20px 0;text-align:center;color:#505fab;font-family:Tahoma;}
.skillWrap{width:980px;margin:0 auto;}
.skillShow{display:none;top:117px;left:50%;margin-left:-450px;width:900px;height:500px;background:#000;border:20px solid #000;}
.skillContWrap{width:900px;height:500px;}
#closeSkill{width: 50px;height: 50px;top: -20px;right: -70px;background:url(img_s/close.png) no-repeat;}