.banner{width:1999px;overflow:hidden;position:relative; height:300px;}
.banner_inner{position:relative;height:300px;width:990px;margin:0 auto}

.banner_img{width:20000px}
.banner_img li{float:left;width:1999px;position:relative;height:300px;}
.banner_img li.bgli01{height:300px;}

.banner .child1{position:absolute;width:588px;height:300px;left:66px;top:0}
.banner .child2{position:absolute;width:654px;height:300px;left:343px;top:0}
.banner_common{position:relative;width:990px;margin:0 auto}
.banner_pre{position:absolute;top:50%;left:0;margin-top:180px;width:60px;height:60px;cursor:pointer;background:url(../images/banner_btn_l_24.png) no-repeat;opacity:.5;filter:alpha(opacity=50); display:none}
.banner_next{position:absolute;top:50%;right:0;margin-top:180px;width:60px;height:60px;cursor:pointer;background:url(../images/banner_btn_r_24.png) no-repeat;opacity:.5;filter:alpha(opacity=50); display:none}
.banner_pre:hover, .banner_next:hover{opacity:1;filter:alpha(opacity=100)}
.banner .control{width:130px;position:absolute;top:270px;left:50%;margin-left:-40px}
.banner .control li{float:left;margin-left:10px;width:15px;height:15px;border-radius:50%;cursor:pointer;background:#fff}
.banner .control li a{display:none}
.banner .control li.current{background:#ff7f02}