.banner {
  display: flex;
  flex-flow: column;
  justify-content: center;
  width: 100%;
  height: 25rem;
  color: #fff;
  padding: 0 10%;
  background-image: url('../images/home.jpg');
  background-position: center;
  background-size: cover;
  box-sizing: border-box;
}

main section {
  padding: 0 3rem;
  margin-bottom: 5rem;
}

section h2 {
  font-weight: 500;
  margin: 5rem 0 2.3rem;
  text-align: center;
}

section p {
  font-size: 0.9rem;
  text-align: justify;
}

.introduce .brands {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.introduce .brands img {
  display: block;
  width: 48%;
}

.product-service {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-service > div {
  width: 47%;
}

.product-service p {
  color: #666;
}

.product-service img {
  display: block;
  width: 47%;
}

@media (max-width: 767px) {
  main section {
    padding: 0 2rem;
  }

  .product-service {
    flex-flow: column;
  }

  .product-service > div {
    width: 100%;
  }

  .product-service img {
    width: 100%;
  }
}