.banner{ position:relative; }
.banner-point{ position:absolute; z-index:999; bottom:20px; left:50%; margin-left:-100px; width:200px; text-align:center;}
.banner-point li{ display:inline-block; margin:6px 3px 0;}
.banner-point a{ display:inline-block; border-radius:50%; width:13px; height:13px; background:#ccc;}
.banner-point li a:hover, .banner-point li a.flex-active{ background:#f39b01;}
.banner-flash a{ display:block;}
.banner-flash span{ display:block; height:554px;}

.gray-bg{ width:100%; background:#f4f4f4;}
.gray-box{ margin-bottom:0; padding-bottom:50px;}

.index_banner_content{height: 554px;}
.flexslider{
    overflow-x: hidden;}