* {margin:0;padding:0; }
img {
    vertical-align: top;
}
.w-slider {
    width: 1200px;
    height: 265px;
    margin:40px auto;
    position: relative;
    overflow: hidden;
}
.slider {
    width: 310px;
    height: 220px;

}
.slider-main {
    width: 620px;
    height: 220px;
}
.slider-main-img {
    position: absolute;
    top: 0;left: 0;
    width: 100%;
    height: 220px;
}

.slider-main-img .img {
    width: 100%;
}



.slider-ctrl {
    text-align: center;
    padding-top: 5px;
}
.slider-ctrl-con {
    width: 24px;
    height: 20px;
    display:inline-block;
    background:url(./img/icon.png) no-repeat -24px -782px;
    margin: 0 5px;
    cursor: pointer;
    text-indent: -20em;
    overflow: hidden;
}
.current {
    background-position: -24px -762px;
}
.slider-ctrl-prev,
.slider-ctrl-next {
    position: absolute;
    top: 50%;
    margin-top: -35px;
    background:url(./img/icon.png) no-repeat 6px top;
    width: 30px;
    height: 35px;
    opacity: 0.8;
    cursor: pointer;
}
.slider-ctrl-prev {
    left: 0;
}
.slider-ctrl-next {
    right: 0;
    background-position: -6px -44px;
}

.center{margin: 0 auto;width:1200px;}