.banner1 *{margin:0; padding:0; list-style:none;}
.banner1{ width:997px; height:200px; overflow:hidden; position:relative; border:1px solid #ddd; margin:0 auto; }
.banner1 .hd{ height:15px; overflow:hidden; position:absolute; right:5px; bottom:5px; z-index:1; }
.banner1 .hd ul{ overflow:hidden; zoom:1; float:left;}
.banner1 .hd ul li{ float:left; display:block; margin-right:2px; width:30px; height:15px; line-height:15px; text-align:center; background:#fff; font:normal 12px Arial; cursor:pointer; }
.banner1 .hd ul li.on{ background:#f00; color:#fff; }
.banner1 .bd{ position:relative; height:100%; z-index:0;   }
.banner1 .bd li{ zoom:1; vertical-align:middle; }
.banner1 .bd img{ width:997px; height:200px; display:block;  }
.banner1 .prev,
.banner1 .next{ position:absolute; left:3%; top:50%; margin-top:-25px; display:block; width:32px; height:40px; background:url(../../inc/pptshow1/pptshow1_ctr.png) -110px 5px no-repeat; filter:alpha(opacity=50);opacity:0.5;   }
.banner1 .next{ left:auto; right:3%; background-position:8px 5px; }
.banner1 .prev:hover,
.banner1 .next:hover{ filter:alpha(opacity=100);opacity:1; }
.banner1 .prevStop{ display:none; }
.banner1 .nextStop{ display:none; }