.index-swiper {
  width: 100%;
  height: 500px;   /* 你想要的高度 */
  overflow: hidden;
}



.swiper-slide {
    position: relative;
}

.swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.swiper-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.5);
    color: white;
    padding: 20px;
}

.swiper-pagination-bullet-active {
    background: #fff;
}

.swiper-button-prev,
.swiper-button-next {
    color: #fff;
}