.banner{width:100%;height:750px;overflow:hidden;position:relative}
.banner>ul{display:none;height:750px;position:absolute;top:0;left:0}
.banner>ul>li{
    float:left;
    position: relative;
    height:750px;
    overflow: hidden;
}
.banner>ul>li>a{
    display: block;
    width: 100%;
    height: 100%;
}
.banner>ul>li>a>img{
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -375px 0 0 -960px;
}
.img-btn-list{width:100%;position:absolute;bottom:10px;left:0;text-align:center}
.img-btn-list>span{
    display:inline-block;width:16px;height:16px;
    border-radius:12px;margin:0 6px;background:rgba(255,255,255,.6);
    cursor:pointer
}
.img-btn-list>span.current{
    border:2px solid rgba(255,255,255,.6);background:rgba(207, 189, 151, 0.8);
}