@media screen and (min-width: 1200px) and (max-width: 1720px) {
  .main_middle {
    width: 1200px;
  }

  /* 顶部 */
  .roof {
    padding: 0 1%;
  }

  /* 头部 */
  .helmet {
    padding: 0 100px 0 120px;
  }

  .helmet_logo {
    width: 150px;
  }

  /* banner */
  .banner_wrapper .swiper-container {
    height: 650px;
  }

  /* banner_bottom_wrapper */
  .banner_bottom .jewel {
    margin-right: 20px;
  }

  .bb_search {
    margin-left: 25px;
  }

  /* index_title */
  .index_title {
    padding: 30px 0;
  }

  /* lab_category */
  .lab_category {
    margin-bottom: 30px;
  }

  .lab_category_item {
    height: 110px;
  }

  .lab_category_item .lci_left .lci_main .iconfont {
    margin-bottom: 10px;
    font-size: 42px;
  }

  /* lab_list */
  .lab_list_item {
    width: 23.3%;
    margin-bottom: 30px;
  }

  .lab_list_item .lli_bottom {
    padding: 0 20px;
    height: 50px;
  }

  /* lab_more */
  .lab_more {
    margin-bottom: 30px;
  }

  /* company_wrapper */
  .company_wrapper {
    height: auto;
    padding-bottom: 30px;
  }

  .company_top {
    margin-bottom: 30px;
  }

  .index_left_title {
    width: 220px;
  }

  .company_top_right {
    padding: 30px 0 0 0;
  }

  .company_title {
    padding-top: 100px;
  }

  .company_top_right .ctr_text {
    margin-bottom: 20px;
  }

  .company_bottom_item span {
    font-size: 14px;
  }

  /* after_sales */
  .after_sales_wrapper {
    height: auto;
    padding-bottom: 30px;
  }

  .sales_item {
    width: 24%;
  }

  .sales_item .sales_right {
    right: 8%;
  }

  .sales_item:hover .sales_right {
    right: 5%;
  }

  /* service_solution_wrapper */
  .service_solution_wrapper {
    height: auto;
    padding: 0 0 30px;
  }

  .solution_category {
    margin: 0 0 30px;
  }

  /* solution_list */
  .solution_list .inner .gallery-item-desc {
    padding-top: 20px;
  }

  .solution_list .inner .gallery-item-desc p.typography-body {
    margin-top: 10px;
  }

  .solution_list .swiper-button-next {
    right: 250px;
  }

  .solution_list .swiper-button-prev {
    left: 250px;
  }

  /* service_scope_wrapper */
  .service_scope_wrapper {
    margin: 30px 0;
  }

  .scope_top {
    margin-bottom: 20px;
  }

  .scope_top .scope_main .scope_main_title {
    margin-bottom: 10px;
    line-height: 1.4em;
  }

  .scope_top .scope_more {
    margin-bottom: 20px;
    margin-left: 120px;
  }

  .scope_item .scope_icon {
    width: 120px;
    height: 120px;
    margin-bottom: 20px;
    line-height: 120px;
  }

  .scope_item:nth-of-type(1) .scope_icon span {
    font-size: 80px;
  }

  .scope_item:nth-of-type(2) .scope_icon span {
    font-size: 74px;
  }

  .scope_item:nth-of-type(3) .scope_icon span {
    font-size: 70px;
  }

  .scope_item .scope_icon span {
    font-size: 56px;
  }

  .scope_item .scope_txt {
    font-size: 20px;
  }

  .scope_arrow {
    margin-top: 60px;
    font-size: 30px;
    color: #C0C0C0;
  }

  /* information_wrapper */
  .information_wrapper {
    height: auto;
    padding: 0 0 30px;
  }

  .info_item {
    padding: 20px;
  }

  .info_item .info_top {
    margin-bottom: 10px;
  }

  .info_item .info_top .info_arrow {
    width: 50px;
    height: 50px;
    line-height: 50px;
  }

  .info_item .info_txt {
    margin-bottom: 10px;
  }

  .info_item .info_img {
    height: 150px;
  }

  /* case_wrapper */
  .case_wrapper {
    padding: 30px 0 calc(30px - 0.2rem);
  }

  .case_right {
    margin-left: 0;
  }

  .case_item {
    width: 16%;
    height: auto;
    margin: 0 0.5% 0.2rem 0;
  }

  /* page_link */
  .page_link {
    height: 60px;
  }

  /* bottom_wrapper */
  .bottom_contact {
    margin: 30px 20px 0 0;
  }

  .bottom_category {
    margin: 30px 0;
  }

  .bottom_code {
    padding: 30px 0;
  }



  .bottom_code img {
    width: 120px;
    height: 120px;
    margin-bottom: 15px;
  }

  /* footer */
  .footer_wrapper {
    height: 50px;
  }

  .footer_right span {
    margin-right: 10px;
    font-size: 26px;
  }

  /* inside_site */
  .inside_site {
    width: 1200px;
    height: 50px;
    top: -50px;
  }

  /* inside_list */
  .inside_list {
    margin-top: -50px;
    height: 60px;
  }

  /* inside_single */
  .inside_main {
    padding: 2vw 0 3vw 0;
  }

  /* inside_picture */
  .inside_pro_item .pro_text {
    height: 40px;
    padding: 0 20px;
    font-size: 16px;
    line-height: 40px;
  }

  /* inside_news */
  .inside_news_item {
    padding: 15px;
    margin-bottom: 20px;
  }

  .inside_news_item .inside_news_item_img {
    margin-right: 20px;
  }

  .inside_news_item .inside_news_item_info h3 {
    font-size: 18px;
  }

  /* inside_contact_wrapper */
  .inc_tit {
    margin-bottom: 30px;
  }

  .inside_contact {
    margin-bottom: 30px;
  }

  .inside_contact .inc_item .fg_line {
    margin: 20px 0;
  }

  .inside_map {
    padding-bottom: 30px;
  }

  /* inside_picture_detail */
  .inside_picture_detail .ipd_title {
    padding: 0 0 25px 0;
  }

  .inside_news_detail {
    padding-top: 3.2vw 0;
    padding-bottom: 3.2vw 0;
  }
}