.banner {
    width: 1100px;
    margin: 50px auto 0;
}
.banner .slide-3d .desc {
    display: none;
}
.banner .slide-3d .item-list li {
    width: 650px;
    transition: all 0.5s ease-out;
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
}
.banner .slide-3d .item-list li.item0 {
    transform: translate3d(0, 0, 0) scale(0.8);
    transform-origin: 0 50%;
    opacity: 1;
    z-index: 2;
}
.banner .slide-3d .item-list li.item1 {
    transform: translate3d(225px, 0, 0) scale(1);
    transform-origin: 0 50%;
    opacity: 1;
    z-index: 3;
}
.banner .slide-3d .item-list li.item2 {
    transform: translate3d(450px, 0, 0) scale(0.8);
    transform-origin: 100% 50%;
    opacity: 1;
    z-index: 2;
}
header .banner .slide-3d .item-list li.item3 {
    transform: translate3d(675px, 0, 0) scale(0.8);
}
header .banner .slide-3d .item-list li.item4 {
    transform: translate3d(900px, 0, 0) scale(0.8);
}