.banner {
  position: relative;
}
.banner-img {
  width: 100%;
  height: var(--banner-img-height);
  object-fit: cover;
}
.banner-img.mobile{
  height: var(--banner-img-mobile);
}
/* .banner::after {
  content: "";
  display: block;
  background-color: rgba(0, 0, 0, 0.4);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
} */
.banner .cont {
  color: var(--white);
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  text-align: center;
  background-color: rgba(0, 0, 0, 0.4);
  padding: 20px 15px;
  z-index: 10;
}

.banner .cont .title {
  font-size: 25px;
  font-weight: bold;
}

.banner .cont .des {
  font-size: var(--font-s);
  /* margin-bottom: 25px; */
}

@media (min-width: 768px) {
  .banner .cont .title {
    font-size: 35px;
  }

  .banner .cont .des {
    font-size: 16px;
  }
}