/* 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(3, 1fr);
  gap: 36px;
}

.top-and-banners-cols li {
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
}

.banner-cover {
  width: 100%;
  aspect-ratio: 1.77;
}
.banner-cover img{
  width: 100%;
  height: 100%;
}

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

@media screen and (min-width: 825px) {
  .top-and-banners-cols li:nth-child(n+4) {
    display: none;
  }
}

@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: 80%;
    gap: 10px;
    margin: 0 auto;
  }

  .top-and-banners-cols li {
    border-radius: 6px;
  }

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