.banner-case {
    position: relative;
    overflow: hidden;
  }
  .banner-case .img-div {
    display: block;
    margin: 0 auto;
  }
  .banner-case .cont {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    padding-bottom: 90px;
    background-color: rgba(0, 0, 0, 0.33);
    color: #ffffff;
  }
  .banner-case .cont .cont-des {
    font-size: 20px;
    line-height: 1.4em;
  }
  .banner-case .cont .cont-title {
    font-size: 58px;
    line-height: 1.4em;
    letter-spacing: 1px;
  }
  @media (max-width: 1660px) {
    .banner-case .cont {
      padding-bottom: 80px;
    }
    .banner-case .cont .cont-des {
      font-size: 19px;
    }
    .banner-case .cont .cont-title {
      margin-top: 5px;
      font-size: 54px;
    }
  }
  @media (max-width: 1550px) {
    .banner-case .cont {
      padding-bottom: 70px;
    }
    .banner-case .cont .cont-des {
      font-size: 18px;
    }
    .banner-case .cont .cont-title {
      font-size: 50px;
    }
  }
  @media (max-width: 1400px) {
    .banner-case .cont {
      padding-bottom: 60px;
    }
    .banner-case .cont .cont-des {
      font-size: 16px;
    }
    .banner-case .cont .cont-title {
      font-size: 40px;
    }
  }
  @media (max-width: 1300px) {
    .banner-case .cont {
      padding-bottom: 50px;
    }
    .banner-case .cont .cont-title {
      font-size: 36px;
    }
  }
  .case-block {
    --ww: var(--wrap-1760-width);
    overflow: hidden;
  }
  .case-block .case-top {
    padding-top: 80px;
  }
  .case-block .case-top .cont-text {
    width: 49.43%;
  }
  .case-block .case-top .cont-title {
    font-size: 42px;
    font-weight: bold;
    line-height: 1.4em;
    color: #222222;
  }
  .case-block .case-top .cont-des {
    margin-top: 30px;
    margin-bottom: 30px;
    font-size: 20px;
    line-height: 1.65em;
    color: #777777;
  }
  .case-block .case-top .right-cont {
    width: 31.818%;
  }
  .case-block .case-top .right-cont .big-txt {
    margin-left: -0.07em;
    font-family: DIN-Bold;
    font-weight: bold;
    font-size: calc(var(--ww)*0.1755);
    line-height: 0.8em;
    letter-spacing: -0.05em;
    color: #777777;
    opacity: 0.17;
  }
  .case-block .select-list .line {
    margin: 0 55px;
    width: 1px;
    height: 16px;
    background-color: #dedede;
  }
  .case-block .index-case2 {
    padding-top: 90px;
    padding-bottom: 80px;
  }
  @media (max-width: 1660px) {
    .case-block .case-top {
      padding-top: 70px;
    }
    .case-block .case-top .cont-title {
      font-size: 38px;
    }
    .case-block .case-top .cont-des {
      margin-top: 20px;
      margin-bottom: 20px;
      font-size: 18px;
    }
    .case-block .select-list .line {
      margin: 0 50px;
    }
    .case-block .index-case2 {
      padding-top: 80px;
      padding-bottom: 70px;
    }
  }
  @media (max-width: 1550px) {
    .case-block .case-top {
      padding-top: 60px;
    }
    .case-block .case-top .cont-title {
      font-size: 34px;
    }
    .case-block .case-top .cont-des {
      margin-top: 15px;
      margin-bottom: 15px;
      font-size: 16px;
    }
    .case-block .select-list .line {
      margin: 0 45px;
    }
    .case-block .index-case2 {
      padding-top: 70px;
      padding-bottom: 60px;
    }
    .case-block .page-btn-box {
      padding-top: 40px;
    }
  }
  @media (max-width: 1400px) {
    .case-block .case-top {
      padding-top: 50px;
    }
    .case-block .case-top .cont-title {
      font-size: 32px;
    }
    .case-block .select-list .line {
      margin: 0 40px;
    }
    .case-block .index-case2 {
      padding-top: 50px;
      padding-bottom: 50px;
    }
    .case-block .page-btn-box {
      padding-top: 30px;
    }
  }
  @media (max-width: 1300px) {
    .case-block .case-top {
      padding-top: 45px;
    }
    .case-block .case-top .cont-title {
      font-size: 30px;
    }
    .case-block .index-case2 {
      padding-top: 45px;
    }
    .case-block .page-btn-box {
      padding-top: 25px;
    }
  }
  .index-case2 {
    --w: var(--wrap-1760-width);
    position: relative;
    padding: calc(var(--w)*0.0714) 0 70px;
    color: #222222;
  }
  .index-case2 .auto-title-block {
    padding: 30px calc((var(--wrap-1760-width) - var(--wrap-1680-width))/2) 50px;
  }
  .index-case2 .list2 {
    --p: 26px;
    margin: calc(var(--p)*-1);
  }
  .index-case2 .list2 .list2-li {
    padding: var(--p);
  }
  .index-case2 .list2 .list2-box {
    display: block;
    overflow: hidden;
    background: transparent;
    transform: translateY(0);
    border-radius: 0px;
    transition: all 0.3s;
  }
  .index-case2 .list2 .list2-box:hover {
    transform: translateY(-15px);
    background: #ffffff;
    box-shadow: 0px 4px 29px 0px rgba(0, 0, 0, 0.11);
    border-radius: 10px;
  }
  .index-case2 .list2 .img-box::before {
    padding-top: 63.58%;
  }
  .index-case2 .list2 .cont {
    padding: 27px 40px;
    transition: padding 0.3s;
  }
  .index-case2 .list2 .cont .list2-title {
    font-size: 28px;
    line-height: 1.4em;
    color: #222222;
  }
  .index-case2 .list2 .cont .list2-type {
    margin-top: 6px;
    font-size: 15px;
    line-height: 1.4em;
    color: #888888;
  }
  @media (max-width: 1660px) {
    .index-case2 .auto-title-block {
      padding-bottom: 45px;
    }
    .index-case2 .list2 {
      --p: 24px;
    }
    .index-case2 .list2 .list2-box:hover .cont {
      transform: translateY(-10px);
    }
    .index-case2 .list2 .cont {
      padding: 24px 35px;
    }
    .index-case2 .list2 .cont .list2-title {
      font-size: 26px;
    }
    .index-case2 .list2 .cont .list2-type {
      margin-top: 5px;
    }
  }
  @media (max-width: 1550px) {
    .index-case2 {
      padding-bottom: 50px;
    }
    .index-case2 .auto-title-block {
      padding-bottom: 40px;
    }
    .index-case2 .list2 {
      --p: 15px;
    }
    .index-case2 .list2 .list2-box:hover .cont {
      transform: translateY(-5px);
    }
    .index-case2 .list2 .cont {
      padding: 22px 25px;
    }
    .index-case2 .list2 .cont .list2-title {
      font-size: 24px;
    }
    .index-case2 .list2 .cont .list2-type {
      font-size: 14px;
    }
  }
  @media (max-width: 1400px) {
    .index-case2 .list2 {
      --p: 13px;
    }
    .index-case2 .list2 .list2-box:hover .cont {
      transform: translateY(-3px);
    }
    .index-case2 .list2 .cont {
      padding: 18px 20px;
    }
    .index-case2 .list2 .cont .list2-title {
      font-size: 22px;
    }
    .index-case2 .list2 .cont .list2-type {
      margin-top: 3px;
    }
  }