#banner
{
    height: 560px;
}

.flexslider
{
    position: relative;

    overflow: hidden;
    zoom: 1;

    width: 100%;
    height: 560px;
    margin: 0 auto 30px;
}
.flexslider .slides li
{
    width: 100%;
    height: 100%;
}
.flex-direction-nav a
{
    line-height: 99em;

    position: absolute;
    z-index: 10;
    top: 50%;

    display: block;
    overflow: hidden;

    width: 70px;
    height: 70px;
    margin: -35px 0 0;

    cursor: pointer;
    -webkit-transition: all .3s ease;

    opacity: 0;
    border-radius: 35px;
    background: url(../images/ad_ctr.png?1605231327) no-repeat;

    filter: alpha(opacity=0);
}
.flex-direction-nav .flex-next
{
    right: 20%;

    background-position: 0 -70px;
}
.flex-direction-nav .flex-prev
{
    left: 20%;
}
.flexslider:hover .flex-next,
.flexslider:hover .flex-prev
{
    opacity: .8;

    filter: alpha(opacity=25);
}
.flexslider:hover .flex-next:hover,
.flexslider:hover .flex-prev:hover
{
    opacity: 1;

    filter: alpha(opacity=50);
}
.flex-control-nav
{
    position: absolute;
    bottom: 10px;

    width: 100%;

    text-align: center;
}
.flex-control-nav li
{
    display: inline-block;
    zoom: 1;

    margin: 0 2px;

    *display: inline;
}
.flex-control-paging li a
{
    display: block;
    overflow: hidden;

    width: 16px;
    height: 16px;

    cursor: pointer;
    text-indent: -99em;

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

.flexslider .slides  img
{
    display: block;

    width: 100%;
    height: 550px;
}