body,ul,ol,li {padding:0;margin:0;} 
ol,ul {list-style:none;} 
.fl {float:left;display:inline;}
.fr {float:right;display:inline;}

/*focus*/
.focus {height:278px;overflow:hidden;position:relative;background:#ccc;z-index:-1;}
.focus_m ul {width:100%;height:278px;overflow:hidden;}
.focus_m li {width:100%;height:278px;_float:left;}
.focus_m li.li_1 {background:url(../images/1_c.jpg) center 0 no-repeat #eee;;}
.focus_m li.li_2 {background:url(../images/2_c.jpg) center 0 no-repeat #eee;}
.focus_m li.li_3 {background:url(../images/3_c.jpg) center 0 no-repeat #eee;}
.focus_s {height:0;position:relative;margin:0 auto;z-index:2;width:1000px;}
.focus_s ul {height:12px;overflow:hidden;position:absolute;left:10px;top:260px;}
.focus_s li {float:left;cursor:pointer;height:12px;width:12px;overflow:hidden;margin-right:10px;}
.focus_s li b {display:block;text-indent:-999em;background:url(../images/circle.png) 0 0 no-repeat;width:12px;height:32px;overflow:hidden;_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=noscale, src='images/circle.png');_background:none;}
.focus_s li.active b {margin-top:-20px;}