@charset "utf-8";
.main_image {width:100%; overflow:hidden; margin:0 auto; position:relative;}
.main_image ul {width:9999px; overflow:hidden; position:absolute; top:0; left:0}
.main_image li {float:left; width:100%; }
.main_image li span {display:block; width:100%; }
.main_image li a {display:block; width:100%; }
#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;}