.mobile-contact {
  display: none;
}
@media screen and (max-width: 750px) {
  .contact {
    display: none;
  }
  .mobile-contact {
    display: block;
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
    padding-top: 20px;
  }
  .mobile-contact .part-one {
    width: 100%;
  }
  .mobile-contact .part-one img {
    width: 100%;
    display: block;
  }
  .mobile-contact .part-two {
    width: 100%;
    margin-top: 22px;
    display: flex;
    align-items: center;
    flex-direction: column;
  }
  .mobile-contact .part-two p {
    text-align: center;
    font-size: 12px;
    line-height: 20px;
    color: #666;
  }
  .mobile-contact .part-two .vr-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 28px;
    width: 90px;
    height: 28px;
    font-size: 12px;
    font-weight: bold;
    color: #fff;
    background-color: #474747;
  }
  .mobile-contact .part-three {
    margin-top: 41px;
    padding-bottom: 41px;
    width: 100%;
    box-sizing: border-box;
  }
  .mobile-contact .part-three .item {
    width: 100%;
    margin-bottom: 10px;
    box-shadow: 0px 3px 22px 2px rgba(232, 232, 232, 0.7);
  }
  .mobile-contact .part-three .item .title-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 40px;
    padding: 0 15px;
    box-sizing: border-box;
  }
  .mobile-contact .part-three .item .title-box h2 {
    font-size: 16px;
    font-weight: bold;
    color: #333;
  }
  .mobile-contact .part-three .item .title-box .icon-box {
    width: 15px;
    height: 15px;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 15px auto;
    background-image: url(../image/mobile_contact_item1.png);
  }
  .mobile-contact .part-three .item .content-box {
    display: none;
    padding: 0 15px;
    padding-top: 17px;
    padding-bottom: 15px;
    box-sizing: border-box;
  }
  .mobile-contact .part-three .item .content-box .content-row {
    width: 100%;
    margin-bottom: 14px;
  }
  .mobile-contact .part-three .item .content-box .content-row .sub-title {
    display: flex;
    align-items: center;
  }
  .mobile-contact .part-three .item .content-box .content-row .sub-title .sub-title-icon {
    width: 20px;
    height: 20px;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
  }
  .mobile-contact .part-three .item .content-box .content-row .sub-title h2 {
    padding-left: 2px;
    font-size: 12px;
    line-height: 13px;
    color: #333;
    opacity: 0.8;
  }
  .mobile-contact .part-three .item .content-box .content-row > h4 {
    margin-top: 5px;
    font-size: 12px;
    line-height: 13px;
    color: #333;
    opacity: 0.6;
  }
  .mobile-contact .part-three .item .content-box .content-row > p {
    margin-top: 7px;
    font-size: 12px;
    line-height: 18px;
    color: #333;
  }
  .mobile-contact .part-three .item.active .title-box {
    background-color: #3990DE;
  }
  .mobile-contact .part-three .item.active .title-box h2 {
    font-size: 16px;
    font-weight: bold;
    color: #fff;
  }
  .mobile-contact .part-three .item.active .title-box .icon-box {
    width: 15px;
    height: 15px;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 15px auto;
    background-image: url(../image/mobile_contact_item2.png);
  }
}