.x60-section {
    max-width: 1120px;
    margin: 0 auto;
    padding: 76px 24px;
    border-top: 1px solid #eee;
    box-sizing: border-box;
    scroll-margin-top: 80px;
    font-family: Arial, Helvetica, sans-serif;
    color: #111;
  }

  .x60-section h2 {
    margin: 0 0 42px;
    font-size: 36px;
    line-height: 1.2;
    color: #000;
    font-weight: 700;
  }

  .x60-user-guide-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 50px;
    align-items: center;
  }

  .x60-pdf-card {
    width: 150px;
    height: 150px;
    border: 1px solid #cfcfcf;
    background: #fff;
    position: relative;
    box-sizing: border-box;
  }

  .x60-pdf-card::before {
    content: "";
    position: absolute;
    right: -1px;
    top: -1px;
    width: 48px;
    height: 48px;
    background: linear-gradient(45deg, #f4f4f4 0%, #f4f4f4 50%, #fff 50%, #fff 100%);
    border-left: 1px solid #cfcfcf;
    border-bottom: 1px solid #cfcfcf;
  }

  .x60-pdf-thumb-img {
    position: absolute;
    left: 24px;
    top: 45px;
    width: 100px;
    height: 58px;
    object-fit: contain;
  }

  .x60-pdf-bottom {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 32px;
    background: #efefef;
    border-top: 1px solid #ddd;
    box-sizing: border-box;
  }

  .x60-pdf-label {
    position: absolute;
    right: 10px;
    bottom: 8px;
    font-size: 12px;
    color: #666;
  }

  .x60-user-guide-info h3 {
    margin: 0 0 20px;
    font-size: 20px;
    line-height: 1.3;
    color: #000;
    font-weight: 700;
  }

  .x60-guide-date {
    margin: 0 0 16px;
    color: #777;
    font-size: 16px;
  }

  .x60-guide-file-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 28px;
  }

  .x60-guide-file-icon {
    width: 24px;
    height: 24px;
    flex: 0 0 auto;
  }

  .x60-guide-file-link {
    font-size: 16px;
    color: #111;
    text-decoration: underline;
  }

  .x60-download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 260px;
    height: 44px;
    padding: 0 26px;
    background: #050505;
    color: #fff;
    border-radius: 3px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 700;
    box-sizing: border-box;
  }

  .x60-download-btn:hover {
    background: #222;
  }

  @media (max-width: 900px) {
    .x60-section {
      padding: 54px 16px;
    }

    .x60-section h2 {
      font-size: 28px;
      margin-bottom: 28px;
    }

    .x60-user-guide-layout {
      grid-template-columns: 1fr;
      gap: 28px;
    }

    .x60-download-btn {
      min-width: 100%;
    }
  }