#wrapper {
    width:1000px;
    margin:auto;
    position:relative;
}
.banner-list{
    margin-top:280px;
}
.b_li {
    position:absolute;
    cursor:pointer;
    vertical-align:bottom;
    display:block;
}
.show_images_1 {
    z-index:15;
    top:1px;
    left:200px;
}
.show_images_1 img {
    width:599px;
    height:353px;
}
.show_images_2 {
    z-index:10;
    top:20px;
    left:0px;
}
.show_images_2 img {
    width:527px;
    height:310px;
}
.show_images_3 {
    z-index:5;
    top:20px;
    left:459px;
}
.show_images_3 img {
    width:527px;
    height:310px;
}
.show_images_4 {
    z-index:0;
    top:20px;
    left:200px;
}
.show_images_4 img {
    width:527px;
    height:310px;
}
#belt {
    display:block;
    height:122px;
    left:200px;
    line-height:99em;
    overflow:hidden;
    position:absolute;
    top:1px;
    width:149px;
    z-index:100;
}
.btn-list {
    width:101px;
    height:25px;
    margin:auto;
    position:relative;
    padding-top:350px;
    z-index:999;
}
.btn-list a {
    width:17px;
    height:15px;
    overflow:none;
    display:block;
    background:url(../images/btn.jpg) no-repeat;
    cursor:pointer;
    float:left;
}
.btn-list a.active {
    background-position:-17px 0;
}