.xn_ba_js_1_main{width:100%;height:480px;visibility:hidden;overflow:hidden;position:relative;}
.xn_ba_js_1_bigImg img {width:1920px;height:480px;border:0}
.xn_ba_js_1_element{position: absolute;}
.xn_ba_js_1_btn{top:440px;cursor:pointer;position:relative;padding:0;margin:0 auto;}
.xn_ba_js_1_btn li{float:left;list-style:none;padding:0;margin:0;width:36px;height:5px;margin-left:5px;}
.xn_ba_js_1_element_btn{background:#888; }
.xn_ba_js_1_element_btn:hover,.xn_ba_js_1_element_btn_on{background:#ffffff;}