.w-bannerlist .li5.cur .bg {
    background-image: url(../../common/buc11.png);
    background-repeat: no-repeat;
    background-position: 8% 20%;
}
.w-bannerlist .li5 .bg {
    background-image: url(../../common/buc1.png);
    background-repeat: no-repeat;
    background-position: 8% 20%;
}
.w-bannerlist li .bg {
    height: 100%;
    transition: all 0.3s;
    cursor: pointer;
    overflow: hidden;
}