.banner {
  width: 100%;
}
#contact {
  position: relative;
  background: url('https://sitefile.keshun.com.cn/keshunWeb2022/mobile/images/resolution/MHSG/bg1.jpg');
}
#contact .contact-img {
  width: 100%;
}
#form {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
}
#form .hb,
#form .fb {
  padding: 2rem 1.5rem;
  margin: 0 2rem;
  background: url('https://sitefile.keshun.com.cn/keshunWeb2022/mobile/images/resolution/MHSG/bg2.png');
  background-size: 100% 100%;
}
#form .hb .label,
#form .fb .label {
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 700;
  font-size: 1rem;
}
#form .hb .item {
  display: flex;
}
#form .hb .item:nth-child(n+2) {
  margin-top: 1rem;
}
#form .hb .item .label {
  flex-shrink: 0;
}
#form .hb .item input {
  margin-left: 1rem;
  width: 100%;
  border: 0;
  border-radius: 0.25rem;
  font-size: 0.9375rem;
}
#form .fb {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
}
#form .fb .label {
  margin-bottom: 1rem;
}
#form .fb textarea {
  border: 0;
  border-radius: 0.25rem;
  font-size: 0.9375rem;
}
#form #btnBook {
  margin: 1.5rem auto 0;
  width: 9.1875rem;
}
@media (min-width: 768px) {
  #form .hb,
  #form .fb {
    padding: 2rem 3rem;
    margin: 0 4rem;
  }
  #form #btnBook {
    margin: 0 auto;
    width: 18rem;
  }
}