.mobile-only {
  display: none;
}

.pc-only {
  display: block;
}

@media screen and (max-width: 750px) {
  .mobile-only {
    display: block !important;
  }

  .pc-only {
    display: none !important;
  }
}
.contact-us-section {
  background: url("https://www.netmarvel.com/themes/pc_cn/public/assets/images/contact_us/background.png");
  height: 640px;
  background-size: cover;
  display: flex;
  justify-content: flex-end;
  flex-direction: column;
  align-items: flex-end;
  position: relative;
  z-index: 1;
}
.contact-us-section .form-wrap {
  width: 50%;
  padding: 30px 44px;
}
.contact-us-section .form-wrap input,
.contact-us-section .form-wrap select {
  width: 100% !important;
}
.contact-us-section .form-wrap .form-btn {
  margin-top: 45px;
}
.contact-us-section .title {
  font-weight: 600;
  font-size: 40px;
  line-height: 56px;
  width: 50%;
  padding: 0 44px;
}

@media screen and (max-width: 750px) {
  .contact-us-section {
    background-image: url("../images/contact_us/background-mobile.png");
    justify-content: center;
    align-items: center;
    height: auto;
    background-position: top;
    height: auto;
    background-size: 100%;
    background-repeat: no-repeat;
    background-color: #f3f3f3;
  }
  .contact-us-section .title {
    font-size: 26px;
    width: 100%;
    text-align: center;
    margin-top: 100px;
  }
  .contact-us-section .form-wrap {
    width: 100%;
    padding: 30px 20px;
    text-align: center;
  }
}