.flexslider {
    margin: 0px auto ;
    position: relative;
    width: 1200;
    height: 200px;
    overflow: hidden;
    z-index:0;
    zoom: 1;}

.flexslider .slides li {
    width: 100%;
    height: 100%;}

.flex-direction-nav a {
    width: 70px;
    height: 70px;
    line-height: 99em;
    overflow: hidden;
    margin: -35px 0 0;
    display: block;
    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;}



.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: 10px;
    text-align: center;}

.flex-control-nav li {
    margin: 0 2px;
    display: inline-block;
    zoom: 1;
    *display: inline;}


.flex-control-paging li a.flex-active,
.flex-control-paging li.active a {
    background-position: 0 0;}

.flexslider .slides a img {
    width: 1200px;
    height: 200px;
    display: block;}