.banner {
  width: 100%;
  height: calc(100vh - 3.7rem);
  margin-top: 3.7rem;
}
.banner > img {
  width: 100%;
  height: 100%;
}
.banner .pos {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -45%);
  text-align: center;
}
.banner .pos h4 {
  font-size: 3rem;
  font-weight: 400;
  color: #ffffff;
}
.banner .pos img {
  width: 73.3rem;
  height: 5.4rem;
  margin: 4.9rem 0;
}
.banner .pos h2 {
  font-size: 4.4rem;
  font-weight: 400;
  color: #ffffff;
}
.padd {
  width: 80%;
  margin: 0 auto;
}
.nmf_banner {
  margin-top: 6rem;
  align-items: flex-start;
  position: relative;
  z-index: 10;
}
.nmf_banner h4 {
  font-size: 2.4rem;
  font-weight: 400;
  color: #000000;
  margin-bottom: 2rem;
}
.nmf_banner > div {
  width: 40%;
}
.nmf_banner > div .green_txt {
  font-size: 1.2rem;
  font-weight: 400;
  color: #305d56;
  margin-bottom: 0.5rem;
  margin-left: 6rem;
}
.nmf_banner > div img {
  width: 20.4rem;
  height: 1.7rem;
}
.nmf_banner > div .txt {
  margin-left: 6rem;
  font-size: 0.8rem;
  font-weight: 400;
  color: #000000;
  margin-bottom: 2.5rem;
  padding-left: 2.4rem;
  line-height: 1.8rem;
}
.nmf_banner > div .txt_normal {
  font-size: 0.9rem;
  font-weight: 400;
  color: #000000;
  line-height: 2.4rem;
  width: 90%;
  margin-left: 10%;
}
.box_brand {
  position: relative;
}
.box_brand > img {
  position: absolute;
  bottom: -1.5rem;
  left: 0;
  width: 77.95rem;
  height: 33.85rem;
}
.nmf_banner > img {
  width: 60rem;
  height: 15rem;
  position: absolute;
  bottom: -6.5rem;
  left: 0;
}
.brand_back {
  margin-top: 6.95rem;
  margin-bottom: 2.4rem;
}
.brand_back h4 {
  font-size: 2.4rem;
  font-weight: 400;
  color: #000000;
  margin-bottom: 2rem;
}
.brands_detail {
  margin-top: 5.2rem;
  align-items: flex-start;
}
.brands_detail p {
  font-size: 0.9rem;
  font-family: Source Han Sans CN;
  font-weight: 400;
  color: #000000;
  line-height: 2.4rem;
  width: 50%;
}