.banner{ width:100%; height:616px; float:left;}
.flexslider {position: relative; height:616px; overflow: hidden; z-index:5;  background: url(../images/loading.gif) 50% no-repeat; }
.slides { position: relative; z-index: 1;}
.slides li { height:616px;}
.flex-control-nav { position: absolute; bottom: 4px; z-index: 2; width: 100%; text-align: center; height:40px;}
.flex-control-nav li { display: inline-block; width: 14px; height: 14px; margin: 0 5px; *display: inline; zoom: 1; margin-top:15px; }
.flex-control-nav a { display: inline-block; width: 14px; height: 14px; border-radius:5px; line-height: 40px; overflow: hidden; cursor: pointer; background: url(../images/n_04.png) right 0 no-repeat;}
.flex-control-nav .flex-active { background-position: 0 0;}