@media screen and (max-width: 768px) {
  .banner_wrap {
    /* background: none; */
    /* background: url("https://tjyzsz.oss-cn-beijing.aliyuncs.com/seoYaZhongSheZhuang/images/banner1.png") no-repeat center center; */
    background-size: auto 100%;
    height: auto;
  }
  .banner_wrap .bannber_bg{
    height: 400px;
  }
  .banner_wrap .swiper-container-banner .swiper-button-prev, 
  .banner_wrap .swiper-container-banner .swiper-button-next{
    transform: scale(0.7);
    top: 180px;
  }
  .calculator-container {
    position: relative;
  }
  .calculator-container .calculator_content {
    flex-direction: column;
    width: 100%;
  }
  .calculator-container .input-group,
  .calculator-container .btn-calculate {
    width: 200px;
  }

  .bj .box_4 {
    width: 100%;
    display: flex;
    flex-direction: column;
  }
  .bj .box_4 .box {
    margin-bottom: 20px;
  }
  .bj .box_5 {
    width: 100%;
    flex-direction: column;
  }
  .bj .box_5 .img {
    display: none;
  }
  .bj .box_5 .quote_calculator {
    width: 100%;
    height: auto;
    background: none;
    padding: 0;
  }
  .bj .box_5 .quote_calculator .main_title {
    text-align: center;
    padding-top: 20px;
  }
  .bj .box_5 .quote_calculator .form_container {
    justify-content: center;
  }

  .case {
    margin-top: 30px;
    padding-top: 35px;
  }
  .case .case_tab {
  }
  .case .case_tab .case_tab_btn {
    flex-shrink: 0;
    margin: 0;
    font-size: 12px;
    width: 70px;
  }
  .case .case_tab_content_wrap {
    height: 520px;
  }
  .case .case_tab_content .case_tab_item {
    width: 50%;
    height: 120px;
    background-size: 100% auto;
    margin-bottom: 10px !important;
  }
  .case .case_tab_content .case_tab_item:nth-child(n + 2) {
    margin-bottom: 0;
  }
  .case .case_tab_content .case_tab_item:nth-child(2n) {
    border-right: 0;
  }
  .case .case_tab_content .case_tab_item .txt {
    height: 100%;
  }

  .case .case_btn_wrap {
    height: 100px;
  }
  .case .case_btn_wrap .btn {
    font-size: 12px;
  }
  .sjs_wrap {
    padding-top: 20px;
    background: none !important;
  }
  .sjs_wrap .sjs_box {
    width: 100%;
    height: auto;
  }
  .sjs_wrap .sjs_box .sjs_left {
    display: none;
  }
  .sjs_wrap .sjs_box .sjs_right .sjs_item {
    max-width: 50%;
    margin-right: 0;
    background-size: cover;
  }
  .sjs_wrap .btn_more {
    border-color: #ddd;
    color: #333;
  }
  .about_wrap {
    padding-top: 0;
    padding-bottom: 0;
  }
  .about_wrap .about_box {
    width: 100%;
    padding-bottom: 0;
  }
  .about_wrap .about_box .img {
    width: 100%;
    height: auto;
  }
  .about_wrap .about_box .txt_box {
    position: relative;
    left: 0;
    top: 0;
    width: 100%;
    height: auto;
    padding: 20px;
  }
  .yzs_wrap {
    padding-top: 10px;
  }
  .yzs_box {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .yzs_box .yzs_item {
    margin: 5px 0px;
    width: 25%;
  }
  .yzs_box .yzs_item img {
    width: 80px;
    height: auto;
  }

  .gy_wrap {
    padding-top: 20px;
  }
  .gy_wrap .gy_box {
    flex-direction: column;
  }
  .gy_wrap .gy_box .img2,
  .gy_wrap .gy_box .img1 {
    width: 100%;
  }
  .gy_wrap .gy_lc_wrap img {
    width: 100%;
  }
  .kh_wrap img {
    width: 100%;
  }
  .kh_wrap {
    padding-top: 20px;
    padding-bottom: 20px;
  }
  .xxmd_wrap {
    padding-top: 20px;
    padding-bottom: 20px;
  }
  .xxmd_wrap .xxmd_box {
    flex-direction: column;
  }
  .xxmd_wrap .xxmd_box img {
    width: 100%;
  }
  .xxmd_wrap .xxmd_box .company_info {
    width: 100%;
    height: 100%;
    padding-bottom: 20px;
  }
  .xxmd_wrap .xxmd_box .company_info .company_stats{
    font-size: 16px;
  }
  .xxmd_wrap .xxmd_box .company_info .booking_form {
    max-width: auto;
    grid-template-columns: 1fr;
  }
  .xxmd_wrap .xxmd_box .company_info .contact_info, .xxmd_wrap .xxmd_box .company_info .address{
    font-size: 16px;
  }
  .sgys_wrap {
    padding-top: 20px;
    height: auto;
  }
  .sgys_wrap .swiper-container {
    width: 100%;
    height: 300px;
  }
  .sgys_wrap .sg_img_box {
    background-size: auto 100%;
    height: 100%;
    width: 100%;
  }
  .sgys_wrap .sg_img_box .dir {
    padding-left: 10px;
  }
  .sgys_wrap .sg_img_box .dir .tag {
    flex-shrink: 0;
  }
  .sgys_wrap .sg_img_box .dir p {
    font-size: 12px;
  }
}