.app {
      width: 100%;
    }

    .banner {
      width: 100%;
      position: relative;
    }

    .banner img {
      width: 100%;
      aspect-ratio: 1921 / 719;
    }

    .banner-text {

      font-weight: bold;
      font-size: 76px;
      color: #FFFFFF;
      line-height: 76px;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      text-align: center;
    }

    .app-content {
      width: 1440px;
      margin: 51px auto;
    }

    .app-h3 {
      color: #251E1C;
      font-size: 46px;
      line-height: 50px;
      margin-bottom: 21px;
      font-weight: 600;
      text-align: center;
    }

    .app-p {
      color: #251E1C;
      font-size: 18px;
      line-height: 26px;

      font-weight: 400;
      text-align: center;
    }

    .app-flex {
      width: 100%;
      display: flex;
     
      padding-top: 91px;
      padding-bottom: 69px;
    }
    .app-flex .app-item:nth-child(2)::after{
      content:'';
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 2px;
      height: 80%;
      background: #B4B4B4;
    }
     .app-flex .app-item:nth-child(2)::before{
      content:'';
      position: absolute;
      right: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 2px;
      height: 80%;
      background: #B4B4B4;
    }
    .app-item {
      width: 32%;
      position: relative;
      flex:1;
          padding: 0 20px;
    }

    .app-item h3 {
      color: #251E1C;
      font-size: 33px;
      line-height: 33px;
      margin-bottom: 25px;
      font-weight: 500;
      text-align: center;
    }

    .app-item p {
      color: #251E1C;
      font-size: 18px;
      line-height: 26px;
      margin-bottom: 5px;
      font-weight: 400;
      text-align: center;

    }

    .app-img {
      width: 100%;
      height: 100vh;
      position: relative;

    }

    .app-img img {
      object-fit: cover;
    }

    .app-top {
      width: 100%;
      height: 100%;
      position: relative;
    }

    .app-top a {
      display: none;
      width: 100%;
      height: 100%;
    }

    .app-top img {
      width: 100%;
      height: 100%;
    }

    .app-top-show {
      display: inline-block !important;
    }

    .app-top-text {
      position: absolute;
      left: 50%;
      top: 30%;
      transform: translateX(-50%);
      width: 50%;
      text-align: center;
    }

    .app-top-text h5 {
      font-size: 44px;
      line-height: 44px;
      margin-bottom: 14px;
      font-weight: 600;
      color: #FFFFFF;
    }

    .app-top-text p {
      font-size: 24px;
      line-height: 26px;
      font-weight: 500;
      color: #FFFFFF;

    }

    .app-bottom {
      position: absolute;
      bottom: 101px;
      left: 0;
      width: 100%;
      height: 134px;
      display: flex;
      justify-content: space-between;

    }

    .app-bottom a {
      display: flex;
      width: 100%;
      height: 100%;
      flex-direction: column;
      justify-content: center;
      flex: 1;
      text-align: center;
      background-color: rgba(180, 180, 180, 0.5);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border: 1px solid #DADADA;
    }

    .app-bottom a h3 {
      font-size: 25px;
      line-height: 25px;
      font-weight: 600;
      color: #FFFFFF;
      transition: all 0.6s linear;
    }

    .abicon {
      width: 31px;
      height: 31px;
      border-radius: 50%;
      color: #477F69;
      font-size: 20px;
      line-height: 25px;
      font-weight: 600;
      border: 3px solid #477F69;
      display: flex;
      justify-content: center;
      align-items: center;
      font-weight: 600;
      margin-left: auto;
      margin-right: auto;
      opacity: 0;
      transition: all 0.6s linear;
    }
    .topicon{
      width: 31px;
      height: 31px;
      border-radius: 50%;
      color: #FFFFFF;
      font-size: 20px;
      line-height: 25px;
      font-weight: 600;
      border: 3px solid #FFFFFF;
      display: none;
      justify-content: center;
      align-items: center;
      font-weight: 600;
      margin-left: auto;
      margin-right: auto;
      margin-top: 25px;
     
    }

    .app-bottom-show .abicon {
      opacity: 1 !important;
    }

    .app-bottom-show h3 {
      transform: translateY(-6px);
      color: #477F69 !important;
    }

    .app-bottom-show {
      background-color: rgba(255, 255, 255, 1) !important;
      backdrop-filter: blur(0px) !important;
      -webkit-backdrop-filter: blur(0px) !important;
    }

    @media (max-width:1440px) {
      .app-content {
        width: 1180px;
      }

      .banner-text {
        width: 80%;
        font-size: 30px;
        line-height: 30px;
      }

      .app-h3 {
        font-size: 26px;
        line-height: 26px;
      }

      .app-p {
        font-size: 18px;
        line-height: 22px;
      }

      .app-item h3 {
        font-size: 24px;
        line-height: 24px;
      }

      .app-item p {
        font-size: 16px;
        line-height: 18px;
      }

      .app-img {
        height: 90vh;
      }

      .app-top-text h5 {
        font-size: 25px;
        line-height: 25px;
      }

      .app-top-text p {
        font-size: 20px;
        line-height: 20px;
      }

      .app-bottom a h3 {
        font-size: 20px;
        line-height: 20px;
      }
    }
 @media (max-width:1200px) {
  .app-content {
        width: 100%;
      }

 }
    @media (max-width:1000px) {
	    .app-flex .app-item:nth-child(2)::after{
     display: none;
    }
     .app-flex .app-item:nth-child(2)::before{
    display: none;
    }
      .app-content{
        width: 95%;
      }
      .app-top img{
        height: auto;
      }
      .app-flex{
        flex-direction: column;
        padding-top: 31px;
        padding-bottom: 31px;
      }
      .app-item{
        width: 100%;
      }
      .app-bottom{
        display: none;
      }
      .app-img{
        height: 100%;
            margin-bottom: 31px;
      }
      .app-top a{
        display: inline-block !important;
        position: relative;
        margin-bottom: 32px;
      }
      .app-top-text{
        width: 90%;
	        top: 50%;
        transform: translate(-50%, -50%);
      }
      .topicon{
        display: flex;
      }
    }
    @media (max-width:750px){
       .banner img {
    
      aspect-ratio: 750 / 739;
    }

    }