body {
    overflow: visible;
}
.listBanner2 {
    overflow-x: hidden;
}

/* 基础盒子样式 */
.service12Block .list.box {
    position: sticky;
    top: 200px;
    padding: 50px 0;
    margin: 0 auto;
    /* background: #ffffff; */
    transform: translateZ(0);
    will-change: transform;
    background: #fff;
}
.service12Block .list .left{
    background: #fff;
}