@media (max-width: 1400px) {
  .pro_list dd {
    /* padding: 27% 0; */
  }
}
@media (max-width: 1200px) {
  .pro_list dd {
    /* padding: 23% 0; */
  }

  .caseSlider .case_rt {
    padding-top: 4%;
  }

  .footer {
    padding-top: 30px;
  }
}

@media (max-width: 992px) {
  .about_cont {
    width: 100%;
  }
  .pro_list dd {
    /* padding: 18% 0; */
  }

  .caseSlider .case_rt .case_cont h3 {
    margin-top: 3%;
  }
  .caseSlider .case_rt {
    padding: 4% 3% 0;
  }
  .caseSlider .slick-dots {
    padding: 0 3%;
    bottom: 16%;
  }

  .news_list {
    /* width: 29.66%; */
  }
  .news_cont .news_list:nth-child(4n) {
    /* display: none; */
  }
  .news_cont .news_list:nth-child(3n) {
    margin-right: 0;
  }
  .ewm {
    margin-left: 10px;
  }
  .copy {
    margin-top: 10px;
  }

  .section_one {
    padding: 55px 0;
  }
  .s_title h3 {
    font-size: 30px;
    line-height: 40px;
    margin-bottom: 5px;
  }
  .s_title p span {
    font-size: 16px;
  }
  .s_title p i {
    font-size: 18px;
  }
  .section_two {
    padding: 60px 0;
  }
  .section_four {
    padding: 70px 0;
  }
  .pro_list dd h3 {
    font-size: 18px;
  }
  .pro_list dd p {
    font-size: 16px;
  }
}
@media (max-width: 767px) {
  #wrap_index {
    padding-bottom: 60px;
  }

  .model-header {
    height: 60px;
    padding: 10px 0;
    background: rgba(0, 0, 0, 0.8);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 20;
    backdrop-filter: blur(10px);
  }
  .model-header-logo {
    width: 80%;
    display: inline-block;
    height: 40px;
  }
  .model-header-logo a {
    display: block;
    height: 40px;
    position: relative;
  }
  .model-header-logo a img {
    max-width: 100%;
    max-height: 100%;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    margin: auto;
    height: 100%;
    object-fit: contain;
    object-position: left center;
  }
  .model-header .model-navbtn {
    float: right;
    width: 30px;
    text-align: right;
    height: 40px;
    margin-right: 10px;
    position: relative;
  }
  .model-header .model-navbtn img {
    width: 28px;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    margin: auto;
  }

  .section_one {
    padding: 30px 0;
  }
  .s_title h3 {
    font-size: 20px;
    line-height: 24px;
    margin-bottom: 0;
  }
  .s_title p span {
    font-size: 12px;
  }
  .s_title p i {
    font-size: 15px;
    margin-top: -16px;
    height: 13px;
  }
  .about_cont {
    margin-top: 20px;
    line-height: 28px;
    font-size: 16px;
    max-height: 224px;
  }
  .more {
    font-size: 16px;
  }
  .opacity2,
  .opacity3 {
    z-index: 22;
  }

  .section_two {
    padding: 40px 0;
  }
  .pro_cont {
    margin-top: 30px;

    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .pro_list {
    /* width: 50%; */
  }
  .pro_list dd {
    /* padding: 31% 0; */
  }
  .pro_list dd h3 {
    font-size: 18px;
    line-height: 30px;
  }
  .pro_list dd p {
    font-size: 14px;
    line-height: 24px;
  }
  .pro_list dd a {
    height: 30px;
  }
  .pro_list dt span {
    width: 40px;
    height: 40px;
    margin-left: -20px;
    bottom: -17px;
  }
  .pro_list dt span i {
    bottom: 17px;
    border-bottom: 11px solid #fff;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    margin-left: -7px;
  }
  .pro_cont .pro_list:nth-child(2n) dt span i {
    border-top: 11px solid #fff;
    border-bottom: none;
    top: 17px;
  }
  .pro_cont .pro_list:nth-child(2n) dt span {
    top: -17px;
  }
  .pro_list:hover dt span i {
    border-bottom: 11px solid #4f6c6b;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
  }
  .pro_cont .pro_list:nth-child(2n):hover dt span i {
    border-top: 11px solid #4f6c6b;
  }

  .threeBg {
    display: none;
  }
  .caseSlider .slick-slide {
    position: relative;
  }
  .caseSlider .case_lt {
    width: 100%;
    overflow: hidden;
  }
  .caseSlider .case_lt img {
  }
  .caseSlider .case_rt {
    width: 50%;
    height: 100%;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
  }
  .caseSlider .case_rt .case_cont .case_txt {
    display: none;
  }
  .caseSlider .case_rt .db {
    height: 30px;
    overflow: hidden;
    position: absolute;
    right: 15px;
    bottom: 5%;
  }
  .caseSlider .case_rt .db .more {
    margin: 0;
    font-size: 16px;
  }
  .caseSlider .case_rt .case_cont h3 {
    margin: 32px 0 0;
    font-size: 18px;
    line-height: 24px;
    height: 48px;
    -webkit-line-clamp: 2;
  }
  .caseSlider .slick-dots {
    width: 50%;
    bottom: 27%;
    display: none !important;
  }

  .section_four {
    padding: 40px 0;
  }
  .news_cont {
    margin-top: 40px;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .news_list {
    /* width: 47%; */
    margin-right: 0;
  }
  .news_cont .news_list:nth-child(3n) {
    /* display: none; */
  }
  .news_cont .news_list:nth-child(2n) {
    /* float: right; */
  }
  .four_more .more {
    margin-top: 20px;
  }
  .news_list dd i {
    font-size: 20px;
  }
  .news_list dd span {
    font-size: 16px;
  }
  .news_list dd a {
    font-size: 16px;
  }
  .news_list dd .news_txt {
    font-size: 14px;
    line-height: 22px;
    height: 66px;
  }
  .news_list dd {
    padding: 15px 15px 20px;
  }
  .news_list:hover dd {
    margin-top: -37px;
  }
  .news_list dd span {
    top: 15px;
    left: 15px;
    right: 15px;
  }
  .news_list {
    border-radius: 12px;
  }

  .footM {
    background: rgba(79, 108, 107, 0.6);
    color: #fff;
    padding: 10px 15px;
    line-height: 20px;
    font-size: 14px;
    margin-bottom: -5px;
  }
  .footM a {
    color: #fff;
    font-size: 14px;
  }

  .caseSlider .slick-dots li button {
    font-size: 14px;
  }
  .caseSlider .slick-dots li button:before {
    font-size: 14px;
  }
  .caseSlider .slick-dots li button:after {
    font-size: 14px;
    margin-left: 2px;
  }
  .caseSlider .slick-dots li {
    margin: 0 2px;
  }
  .caseSlider .slick-dots li.slick-active button:before {
    font-size: 18px;
  }
  .caseSlider .slick-dots li.slick-active button {
    font-size: 18px;
  }
}
@media (max-width: 520px) {
  .pro_list dd {
    /* padding: 28% 0; */
  }
}
@media (max-width: 400px) {
  .pro_list dd {
    /* padding: 25% 0; */
  }
}
@media (max-width: 374px) {
  .pro_list dd {
    /* padding: 22% 0; */
  }
  /*.caseSlider  .slick-dots{bottom:22%;}*/
}

@media (min-width: 768px) {
}

@media (min-width: 992px) {
}
@media (min-width: 1400px) {
  .container {
    width: 1370px;
  }
}