html{overflow-x:hidden; overflow-y:hidden;  _background-image:url(about:blank); _background-attachment:fixed; width: 100%; min-height: 1200px;} /* html加上这段代码用于取消ie6滚动时候元素震动bug */

.header_bg{position: fixed; left: 0; top: 0; z-index: 999;}

/******************网页主体部分css******************/
.wrapper_bg{width:100%; background:#111b35 url(../images/about_bg.png); _background:#111b35;}
.wrapper{position: relative; z-index: 2;}

#content{overflow:hidden; width:1000%; position: relative; z-index: 1; top: 93px;}
.article{background:#301116 url(../images/about_bg.png); _background:#301116; float:left; width: 100%;}
.article dt{width:60%; padding-top:50px; margin: auto; color:#fff; text-shadow:1px 1px 1px #666;}
.article dt em{margin-right:10px; font-size:50px; line-height:70px;}
.article dd{position:relative; z-index:1; width:60%; margin:0 auto;}
.article dd .con{ position:relative; z-index:1; font:normal 16px/180% "微软雅黑"; color:#c4c2c2;}
.article dd .con p{margin-bottom:10px;}
.article dd .con1 p{margin-bottom:10px;}
#art2{ background:#111b35 url(../images/about_bg.png); _background:#111b35;}

.sideGuide{position:fixed; z-index:1; left:50%; bottom:20px; width:300px; margin-left:-120px; _position:absolute; _left:expression(eval(document.documentElement.scrollLeft+document.documentElement.offsetWidth/2));} /* 思考再三，为了导航平滑地滚动，还是用了expression */
.sideGuide ul{zoom:1; position:relative;}
.sideGuide .bg{position:absolute; top:0; left:0; width:100%; height:32px; background:#000; filter:alpha(opacity=50);opacity:0.5;}
.sideGuide .curBg{position:absolute; top:0; left:0; width:150px; height:32px; background:#e60;}
.sideGuide li{width:150px; float:left;  height:32px; line-height:32px; position:relative; text-align: center;}
.sideGuide li a{display:block; color:#fff;}
.sideGuide li a:hover{text-decoration:none; color:#fff;}


.wrapper_bg1{width:100%; background:#510a7b url(../images/about_bg.png); _background:#510a7b; min-height: 800px;}
.box