@media screen and (max-width: 1200px) {
  .about {
    padding-bottom: 0;
  }
  .about .thumb img {
    width: 630px;
  }
  .about .brief {
    padding-top: 50px;
  }
  .about .brief h2 {
    font-size: 26px;
    margin-bottom: 15px;
  }
  .about .brief p {
    font-size: 14px;
    line-height: 28px;
  }
  .about .introduce {
    padding: 50px 0;
  }
  .about .introduce p {
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 28px;
  }
  .sales {
    height: 140px;
  }
  .sales .text {
    font-size: 14px;
    margin-right: 20px;
  }
  .sales .text img {
    width: 29px;
    height: 26px;
    margin-bottom: 3px;
  }
  .sales .number {
    font-size: 18px;
  }
  .sales .number strong {
    font-size: 40px;
  }
  .culture {
    height: 500px;
    padding-top: 80px;
  }
  .culture h3 {
    font-size: 26px;
    padding-bottom: 20px;
    margin-bottom: 30px;
  }
  .culture p {
    line-height: 30px;
  }
  .culture .menu {
    bottom: -80px;
    height: 160px;
  }
  .culture .menu img {
    width: 40px;
    height: 35px;
    margin-bottom: 15px;
  }
  .culture .menu p {
    font-size: 16px;
  }
  .develop {
    padding: 120px 0 80px;
  }
  .develop .column {
    margin-bottom: 50px;
  }
  .develop .column h6 {
    font-size: 16px;
  }
  .develop .column h2 {
    font-size: 26px;
  }
  .develop .column p {
    font-size: 14px;
  }
  .develop .step {
    margin-bottom: 60px;
  }
  .develop .desc {
    width: 415px;
  }
  .develop .desc h6 {
    margin-bottom: 25px;
  }
  .develop .thumb {
    margin-left: 60px;
    margin-right: 110px;
  }
  .honor .column {
    padding: 60px 0 40px;
  }
  .honor .column h6 {
    font-size: 16px;
  }
  .honor .column h2 {
    font-size: 26px;
  }
  .honor .certificate {
    padding: 45px 35px 0;
  }
}

@media screen and (max-width: 991px) {
  .about .brief {
    width: 100%;
    padding-top: 30px;
  }
  .about .brief h6 {
    margin-bottom: 10px;
  }
  .about .thumb {
    position: relative;
    margin-top: 20px;
  }
  .about .brief h2 {
    font-size: 22px;
    margin-bottom: 10px;
  }
  .about .brief p {
    line-height: 24px;
  }
  .about .thumb img {
    width: 100%;
  }
  .about .introduce {
    padding: 20px 0;
  }
  .about .introduce p {
    margin-bottom: 10px;
    line-height: 24px;
  }
  .sales {
    height: 120px;
  }
  .sales .text {
    font-size: 12px;
    margin-right: 10px;
  }
  .sales .text img {
    width: 22px;
    height: 18px;
  }
  .sales .number {
    font-size: 14px;
  }
  .sales .number strong {
    font-size: 32px;
  }
  .culture {
    height: 350px;
    padding-top: 40px;
  }
  .culture h3 {
    font-size: 22px;
    padding-bottom: 15px;
    margin-bottom: 20px;
  }
  .culture h3:after {
    width: 30px;
    height: 4px;
  }
  .culture p {
    font-size: 14px;
    line-height: 24px;
  }
  .culture .menu {
    bottom: -60px;
    height: 120px;
  }
  .culture .menu img {
    width: 35px;
    height: 30px;
    margin-bottom: 10px;
  }
  .culture .menu p {
    font-size: 14px;
  }
  .develop {
    padding: 100px 0 60px;
  }
  .develop .column h6 {
    font-size: 14px;
    margin-bottom: 10px;
  }
  .develop .column h2 {
    font-size: 22px;
    margin-bottom: 10px;
  }
  .develop .step {
    margin-bottom: 50px;
  }
  .develop .thumb {
    margin-left: 15px;
    margin-right: 20px;
  }
  .develop .desc h6 {
    font-size: 18px;
    margin-bottom: 10px;
  }
  .develop .desc p {
    font-size: 16px;
  }
  .develop .step .round {
    width: 33px;
    height: 33px;
  }
  .develop .step .step-middle {
    height: 80px;
  }
  .develop .step .step-middle .item {
    width: 50px;
    height: 80px;
    font-size: 18px;
  }
  .develop .step .step-middle .item.active {
    width: 66px;
    height: 66px;
    line-height: 66px;
    font-size: 22px;
  }
  .develop .step .step-middle .item::after {
    width: 15px;
    height: 15px;
  }
  .honor .column {
    padding: 40px 0 30px;
  }
  .honor .column h6 {
    font-size: 14px;
    margin-bottom: 10px;
  }
  .honor .column h2 {
    font-size: 22px;
    margin-bottom: 10px;
  }
  .honor .column p {
    font-size: 14px;
  }
  .honor .certificate {
    padding: 25px;
  }
  .honor .certificate p {
    font-family: 'Source Han Sans CN';
    font-size: 14px;
    color: #7C7C7C;
  }
  .honor .btn-loading {
    width: 125px;
    height: 40px;
    font-size: 12px;
  }
  .honor .certificate img {
    margin-bottom: 15px;
  }
  .honor .certificate .col-md-3 {
    margin-bottom: 30px;
  }
}
@media screen and (max-width: 767px) {
  .develop {
    padding: 80px 0 40px;
  }
  .develop .step {
    justify-content: space-around;
  }
  .develop .step .step-middle {
    display: none !important;
  }
  .develop .thumb {
    width: 50%;
    height: 150px;
  }
  .develop .thumb::after {
    left: -10px;
    height: 80px;
  }
  .develop .desc {
    width: 50%;
  }
  .develop .desc h6 {
    font-size: 16px;
    margin-bottom: 5px;
  }
  .develop .desc p {
    font-size: 14px;
  }
  .develop .column, .develop .step {
    margin-bottom: 30px;
  }
}

@media screen and (max-width: 555px) {
  .viewer-container {
    margin-top: 50px !important;
  }
  .about .brief {
    padding-top: 20px;
  }
  .about .brief h6 {
    font-size: 12px;
    padding-left: 15px;
  }
  .about .brief h2 {
    font-size: 18px;
  }
  .about .brief p {
    font-size: 12px;
    line-height: 20px;
  }
  .about .introduce {
    padding: 20px 15px;
  }
  .about .introduce p {
    line-height: 22px;
    font-size: 12px;
  }
  .sales {
    height: 140px;
  }
  .sales .number {
    font-size: 12px;
    white-space: nowrap;
    transform: translateY(10px);
  }
  .sales .number strong {
    font-size: 20px;
  }
  .sales .text {
    white-space: nowrap;
  }
  .sales .col-4 {
    width: 33.3%;
  }
  .sales .justify-content-center {
    flex-direction: column;
  }
  .culture {
    height: 250px;
    padding-top: 30px;
  }
  .culture h3 {
    font-size: 18px;
    padding-bottom: 10px;
    margin-bottom: 15px;
  }
  .culture p {
    font-size: 12px;
    line-height: 22px;
  }
  .culture .menu {
    bottom: -40px;
    height: 80px;
    width: 92%;
  }
  .culture .menu img {
    width: 30px;
    height: 25px;
    margin-bottom: 5px;
  }
  .culture .menu p {
    font-size: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
  }
  .develop {
    padding: 60px 0 40px;
  }
  .develop .column, .develop .step {
    margin-bottom: 20px;
  }
  .develop .column h6 {
    font-size: 12px;
    margin-bottom: 10px;
    background-size: 8px 11px;
    padding-left: 15px;
  }
  .develop .column h2 {
    font-size: 18px;
    margin-bottom: 10px;
  }
  .develop .column p {
    font-size: 12px;
  }
  .develop .step .col-sm-1 {
    flex: 1;
  }
  .develop .swiper-slide > .d-flex {
    display: block !important;
  }
  .develop .thumb {
    width: 100%;
    height: 200px;
    margin: 0;
  }
  .develop .desc {
    width: 100%;
    margin-top: 30px;
  }
  .develop .thumb::after {
    display: none;
  }
  .honor {
    background-size: unset;
  }
  .honor .column {
    padding: 20px 0;
  }
  .honor .column h6 {
    font-size: 12px;
    background-size: 8px 11px;
    padding-left: 15px;
  }
  .honor .column h2 {
    font-size: 18px;
  }
  .honor .column p {
    font-size: 12px;
  }
  .honor .certificate {
    padding: 15px;
  }
  .honor .certificate .col-sm-3 {
    width: 50%;
    margin-bottom: 20px;
  }
  .honor .certificate img {
    margin-bottom: 10px;
  }
}