.flexslider{margin: 0 auto 0;position: relative;width: 100%;height: 635px;overflow: hidden;zoom: 1;border: 0}
.flexslider .slides li{width: 100%;height: 100%;border:0;list-style-type: none}
.flex-direction-nav a{width: 70px;height: 70px;line-height: 99em;overflow: hidden;margin: -35px 0 0;background: url(../images/ad_ctr.png) no-repeat;position: absolute;top: 50%;z-index: 10;cursor: pointer;opacity: 0;filter: alpha(opacity=0);-webkit-transition: all .3s ease;border-radius: 35px;}
.flex-direction-nav .flex-next{background-position: 0 -70px;right: 0;}
.flex-direction-nav .flex-prev{left: 0;}
.flexslider:hover .flex-next{opacity: 0.8;filter: alpha(opacity=25);}
.flexslider:hover .flex-prev{opacity: 0.8;filter: alpha(opacity=25);}
.flexslider:hover .flex-next:hover,
.flexslider:hover .flex-prev:hover{opacity: 1;filter: alpha(opacity=50);}
.flex-control-nav{width: 100%;position: absolute;bottom: 60px;text-align: center;}
.flex-control-nav li{;margin: 0 3px;display: inline-block;zoom: 1;*display: inline;}
.flex-control-paging li a{background: url(../images/dot.png) no-repeat 0 -16px;display: block;height: 16px;overflow: hidden;text-indent: -99em;width: 16px;cursor: pointer;}
.flex-control-paging li a.flex-active,
.flex-control-paging li.active a{background-position: 0 0;}
.flexslider .slides a img{width: 100%;height: 600px;border:0;}