@charset "utf-8";
body{margin:0;padding:0;font-family:'微软雅黑',Arial,Helvetica,sans-serif;font-size:12px;background:#000000 url("../images/bg.jpg"/*tpa=http://www.15bb.com/down/images/bg.jpg*/) no-repeat top center;}
div,span,ul,li,p,h1,h2,h3,h4,h5,h6,img,p,dl,dt,dd{margin:0;padding:0;}
ul{list-style-type:none;}
a{text-decoration:none;}
a:hover{text-decoration:underline;}
img{border:0;}
form{margin:0;padding:0;}

.header {width:1000px;height:328px;background:url("../images/header.jpg"/*tpa=http://www.15bb.com/down/images/header.jpg*/) no-repeat;margin:0 auto;padding:0;position:relative;}
.main {width:1000px;height:672px;background:url("../images/section.jpg"/*tpa=http://www.15bb.com/down/images/section.jpg*/) no-repeat;margin:0 auto;padding:0;position:relative;}

/*btn*/
a{color:#333; text-decoration:none} 
a:hover{color:#f40}
/*- - - - - - - - -样式 - - - - - - - -*/
	#DownloadList{width:1000px;height:600px;position:relative;overflow:hidden;padding:0px 0px 0px 0px;}
	#DownloadList h3{clear:both;font-size:32px;font-weight:normal;color:#528ebe;}
	#DownloadList dl{line-height:32px;font-size:14px;color:#232121;margin-bottom:10px;}
	#DownloadList dl dt{display:inline;color:#528ebe;}
	#DownloadList dl dd{margin-right:25px;display:inline;color:#528ebe;}
	#DownloadList ul{float:left;width:900px;margin-bottom:10px;}
	#DownloadList ul li{float:left;margin-right:15px;display:inline;}
	#DownloadList ul li a{width:133px;height:41px;line-height:41px;text-align:center;font-size:14px;color:#fff;background:url("../images/btn_a_bg.png"/*tpa=http://www.15bb.com/down/images/btn_a_bg.png*/) no-repeat left top;display:block;}
	#DownloadList ul li a:hover{background-position:right top;text-decoration:none;}
	#DownloadList .btnclose{width:40px;height:37px;position:absolute;text-indent:-99em;overflow:hidden;top:14px;right:13px;background:url("../images/btn_close.png"/*tpa=http://www.15bb.com/down/images/btn_close.png*/) no-repeat left top;}
	#DownloadList .btnclose:hover{background-position:left bottom;}
	.btnnext{width:126px;height:66px;position:absolute;text-indent:-99em;overflow:hidden;top:309px;left:305px;background:url("../images/btn_next.png"/*tpa=http://www.15bb.com/down/images/btn_next.png*/) no-repeat left top;z-index:3;}



/*在线客服*/
	#onlineKefu{ 
	width:96px;
	height:450px;
	position:fixed;
	_position:absolute;
	_bottom:auto;
	_top:expression(eval(document.documentElement.scrollTop+document.documentElement.clientHeight-this.offsetHeight-(parseInt(this.currentStyle.marginTop,10)||0)-(parseInt(this.currentStyle.marginBottom,10)||0)));
	right:40px;
	top:40%;
	margin-top:0px;
	_margin-bottom:40%;
       z-index:6000;}

/*	#onlineKefu{ z-index:6000;margin:-500px 0 0 700px;width:129px;height:450px;position:fixed;top:76%;left:50%;background-color:#24293f;_position:absolute;_top:expression(eval(document.documentElement.scrollTop+this.offsetHeight));}*/
	#onlineKefu a{text-indent:-99em;overflow:hidden;}
	#onlineKefu a.btn_kefu{width:130px;height:62px;background:url("../images/a_bg2.jpg"/*tpa=http://www.15bb.com/down/images/a_bg2.jpg*/) no-repeat left top;display:block;}
	#onlineKefu a.btn_kefu:hover{background-position:-130px top ;}
	#onlineKefu a.btn_top{width:130px;height:62px;background:url("../images/a_bg2.jpg"/*tpa=http://www.15bb.com/down/images/a_bg2.jpg*/) no-repeat left -61px;display:block;}
	#onlineKefu a.btn_top:hover{background-position:-130px -61px ;}
	#onlineKefu .erweima{width:130px;height:148px;padding-top:16px;background-color:#1f2639;}
	#onlineKefu .erweima img{margin:0 auto 3px;width:118px;height:117px;display:block;}
	#onlineKefu .erweima span{height:27px;line-height:27px;text-align:center;overflow:hidden;color:#feffff;display:block;font-size:12px;font-family:'微软雅黑';}