.swiper-container1 {
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.swiper-container2 {
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.swiper-container3 {
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.swiper-container4 {
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    z-index: 1;
}