xh_web/css/index.css

.home_swiper_container.swiper-container .swiper-slide img {
  display: block;
  width: 100%;
  height: 9.42rem;
  object-fit: cover;
}
.home_swiper_container.swiper-container .swiper-wrapper .swiper-slide::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 9.42rem;
  left: 0;
  top: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(50, 55, 62, 0) 30.34%,
    rgba(13, 27, 46, 0.7) 100%
  );
}