.banner{ width:100%; position:relative; clear:both;}
.main_content {width: 1004px;margin: 0 auto 0px;position: relative;zoom: 1;}
.nf_hp_kv {margin: 0 -500px;position: relative;width: 2000px;}
.window {height:569px;overflow: hidden;position: relative;width: 2000px;}
.kv_item {height: 569px;overflow: hidden;padding: 0 500px;position: absolute;width: 1004px;}
.vbanner .window,.vbanner .kv_item{height:296px; }
.js_nav { display:none;left:0;height:6px; text-align:center;width:100%;position: absolute; bottom:27px;}
.js_nav li {display:inline-block; *display:inline;height:5px;width:33px; margin-right:2px;}
.js_nav li a {display: inline;float: left;height:5px;overflow: hidden;width: 100%;font-size:0; background:#363636;}
.js_nav li.active a, .js_nav li a:hover {background:#ce4e2b}

.btn_prev{ left:10px;}
.btn_next{right:10px;}
.btn_prev, .btn_next {position: absolute; top:250px;width:66px;height:66px;background:url("../images/arrow_left.png")/*tpa=http://0001509.ks.pangu.us/images/left.png*/ left top no-repeat;}
.btn_next {
    background: transparent url("../images/arrow_right.png") no-repeat scroll left top;
}