/* 回到顶部、banners */
.top-and-banners {
  /* padding: 0 100px; */
}

.back-top {
  display: block;
  padding: 10px;
  margin: 36px auto;
}

.back-top svg {
  width: 32px;
  height: 32px;
}

.top-and-banners-cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-row-gap: 4px;
  grid-column-gap: 22px;
}

.top-and-banners-cols li {
  overflow: hidden;
  height: var(--ad-slot-strip-li-h, 6.875rem);
}

.banner-cover {
  width: 100%;
  height: 100%;
}
.banner-cover img{
  width: 100%;
  height: 100%;
  object-fit: fill;
  overflow: hidden;
}

/* .banner-title {
  height: 80px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.05);
} */

@media screen and (min-width: 825px) {
  .top-and-banners {
    padding: 24px 0;
  }

  .top-and-banners-cols {
    gap: 12px;
  }

  .top-and-banners-cols li {
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
  }

  .top-and-banners-cols li .banner-cover {
    flex: 1 1 auto;
    min-height: 0;
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
  }

  .top-and-banners-cols li .banner-cover img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    object-fit: fill;
    object-position: center;
    display: block;
    cursor: pointer;
    transition: transform 0.3s;
  }

  .top-and-banners-cols li .banner-cover img:hover {
    transform: scale(1.03);
  }
}

@media screen and (max-width: 824px) {
  .back-top {
    margin: 8px auto;
  }

  .top-and-banners {
    padding: 0;
  }

  .top-and-banners-cols {
    grid-template-columns: 1fr;
    width: 100%;
    gap: 0;
    margin: 0 auto;
  }

  .top-and-banners-cols li {
    height: var(--ad-slot-strip-li-h-sm, 2.8125rem);
  }
  .banner-cover img{
    width: 100%;
    height: 100%;
    overflow: hidden;
  }

  /* .banner-title {
    height: 26px;
    padding: 4px 6px;
    font-size: 12px;
  } */
}