.main_image {width:100%; height:500px; overflow:hidden; margin:0 auto; position:relative}
.main_image ul {width:9999px; height:500px; overflow:hidden; position:absolute; top:0; left:0}
.main_image li {float:left; width:100%; height:500px;}
.main_image li span {display:block; width:100%; height:500px}
.main_image li a {display:block; width:100%; height:500px}
.main_image li span { background: url(about:blank) center top no-repeat}
.main_image li .img_2 {background: url('../images/img_main_3.jpg') center top no-repeat}
.main_image li .img_3 {background: url('../images/img_main_3.jpg') center top no-repeat}
.main_image li .img_4 {background: url('../images/img_main_4.jpg') center top no-repeat}
.main_image li .img_5 {background: url('../images/img_main_5.jpg') center top no-repeat}
div.flicking_con {width:990px; margin:0 auto; position:relative}
div.flicking_con .flicking_inner {position:absolute; bottom:36px; left:90px; z-index:999; width:300px; height:21px} 
div.flicking_con a {float:left; width:21px; height:21px; margin:0; padding:0; background:url(../images/btn_main_img.png) 0 0 no-repeat; display:block; text-indent:-1000px}
div.flicking_con a.on {background-position:0 -22px}
#btn_prev,#btn_next{z-index:11111;position:absolute;display:block;width:73px!important;height:74px!important;top:50%;margin-top:-37px;display:none;}
#btn_prev{background:url(../images/hover_left.png) no-repeat left top;left:100px;}
#btn_next{background:url(../images/hover_right.png) no-repeat right top;right:100px;}