.flexslider {
    position: relative;
    height: 550px;
    overflow: hidden;
    -background: url(loading.gif) 50% no-repeat;
}

.flexslider:hover .flex-direction-nav,.flexslider:hover .flex-control-nav{
    opacity: 1;
    transition-duration: 0.3s;
}

.slides {
    position: relative;
    z-index: 1;
}	
.slides li {
    height: 665px;
}
.flex-control-nav {
    opacity: 0;
    position: absolute;
    bottom: 10px;
    z-index: 2;
    width: 100%;
    text-align: center;
    transition-duration: 0.3s;
}
.flex-direction-nav {
    opacity: 0;
    position: absolute;
    z-index: 3;
    width: 100%;
    top: 45%;
    transition-duration: 0.3s;
}
.flex-direction-nav li a {
    display: block;
    width: 50px;
    height: 150px;
    overflow: hidden;
    cursor: pointer;
    position: absolute;
}
.flex-direction-nav li a.flex-prev {
    left: 40px;
    background: url(arrow-l.png) left center no-repeat;
    background-color: rgba(73,122,170,0.3);
}

.flex-direction-nav li a {
    display: block;
    width: 50px;
    height: 150px;
    overflow: hidden;
    cursor: pointer;
    position: absolute;
}
.flex-direction-nav li a.flex-next {
    right: 40px;
    background: url(arrow-r.png) left center no-repeat;
    background-color: rgba(73,122,170,0.3);
}

.flex-direction-nav li a.flex-next:hover {
     background: url(arrow-r.png) right center no-repeat;
     background-color: rgba(73,122,170,1);
}
.flex-direction-nav li a.flex-prev:hover {
    background: url(arrow-l.png) right center no-repeat;
     background-color: rgba(73,122,170,1);

}

.flex-control-nav a {
    display: inline-block;
    width: 14px;
    height: 14px;
    line-height: 40px;
    overflow: hidden;
    background: url(dot.png) right 0 no-repeat;
    cursor: pointer;
}
.flex-control-nav li {
    display: inline-block;
    width: 14px;
    height: 14px;
    margin: 0 5px;
    zoom: 1;
}

.flex-active{
    display: inline-block;
    width: 14px;
    height: 14px;
    line-height: 40px;
    overflow: hidden;
    background: url(dot.png) left 0 no-repeat !important;
    cursor: pointer;
}