.advantages {
    background: #131313;
  }
  .advantages .left {
    position: sticky;
    top: 100px;
  }
  
  .specification .left {
    position: sticky;
    top: 290px;
  }
  
  .accordion.advant {
    background: none;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    /* margin-top: 150px; */
  }
  @media (max-width: 1199.98px) {
    .accordion.advant {
      /* margin-top: 120px; */
    }
  }
  @media (max-width: 991.98px) {
    .accordion.advant {
      margin-top: 40px;
    }
  }
  .accordion.advant .card {
    background: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }
  .accordion.advant .card .card-header {
    background: none;
    border: none;
    padding: 0;
  }

 
  @media (min-width: 1200px) {
    .accordion.advant .card .card-header:hover{
      opacity: 0.7;
    }
  }

  .accordion.advant .card .card-header button {
    border: none;
    padding-left: 0;
    font-size: 24px;
    padding: 25px 0;
    color: #ffffff;
    white-space: inherit;
    line-height: 1.4;
    padding-right: 40px;
  }
  
  strong{
    font-weight: 600;
  }
  @media (max-width: 1199.98px) {
    .accordion.advant .card .card-header button {
      font-size: 20px;
    }
  }
  @media (max-width: 767.98px) {
    .accordion.advant .card .card-header button {
      font-size: 18px;
    }
    .accordion.advant .card .card-header button:after,.accordion.advant .card .card-header button.collapsed:after{
        top: 30px;
    }
  }
  .accordion.advant .card .card-header button:hover {
    text-decoration: none;
  }
  .accordion.advant .card .card-header button:focus {
    text-decoration: none;
  }
  .accordion.advant .card .card-header button:after {
    position: absolute;
    right: 0;
    top: 35px;
    width: 14px;
    height: 7px;
    content: "";
    background: url("image/brand-we-up-arrow.svg") no-repeat center center !important;
    opacity: 0.5;
  }
  .accordion.advant .card .card-header button.collapsed {
    color: #fff;
  }
  .accordion.advant .card .card-header button.collapsed:after {
    content: "";
    width: 14px;
    height: 10px;
    background: url("image/brand-we-down-arrow.svg") no-repeat center center !important;
    position: absolute;
    right: 0;
    top: 35px;
    -webkit-filter: invert(1);
            filter: invert(1);
          opacity: 1;
  }

  .specification .accordion.advant .card .card-body p{
      font-weight: 300;
  }
  .accordion.advant .card .card-body {
    color: #fff;
    padding-left: 0;
    padding-right: 0;
  }
  @media (max-width: 767.98px) {
    .accordion.advant .card .card-body {
      padding: 10px 0;
    }
  }

  @media (min-width: 1200px) {
      .accordion.advant {
        margin-left: 50px;
    }
  }

  @media (max-width: 1199.98px) and (min-width: 992px) {
        .specification .fz-90 {
          font-size: 60px;
      }
  }