.slide_box ul {position:relative;width:4020px;height:270px;padding:0;margin:0;}
.slide_box li {float:left;width:548px;height:270px;list-style:none;}
.slide_box img {border:0;}
.slide_box {position:relative;width:548px;height:270px;overflow:hidden;}
.num_list {position:absolute;left:435px;top:245px;width:132px;height:22px;}
.num_list li {float:left;width:20px;height:22px;margin-right:2px;border:none;list-style:none;text-align:center;color:#000;}
.num_list a {display:block;width:20px;height:22px;line-height:20px;padding-top:2px;background:url(box01.gif) no-repeat 0 3px;color:#000;text-decoration:none;}
.num_list a:hover {background:url(box02.gif) no-repeat 0 0;color:#fff;}
.num_list .on {background:url(box02.gif) no-repeat 0 0;color:#fff;}