.yjd-foundation-article {
    font-family: Arial, sans-serif;
    font-size: 16px;
    line-height: 1.72;
    color: #222;
    max-width: 980px;
    margin: 0 auto;
    padding: 24px 18px;
    background: #ffffff;
  }

  .yjd-foundation-article * {
    box-sizing: border-box;
  }

  .yjd-foundation-article h1 {
    font-family: Arial, sans-serif;
    font-size: 30px;
    line-height: 1.28;
    color: #111;
    margin: 0 0 18px;
    font-weight: 700;
  }

  .yjd-foundation-article h2 {
    font-family: Arial, sans-serif;
    font-size: 21px;
    line-height: 1.35;
    color: #111;
    margin: 38px 0 14px;
    font-weight: 700;
  }

  .yjd-foundation-article h3 {
    font-family: Arial, sans-serif;
    font-size: 17px;
    line-height: 1.4;
    color: #111;
    margin: 24px 0 10px;
    font-weight: 700;
  }

  .yjd-foundation-article p {
    font-family: Arial, sans-serif;
    font-size: 16px;
    margin: 0 0 16px;
    color: #333;
  }

  .yjd-foundation-article ul,
  .yjd-foundation-article ol {
    margin: 0 0 18px 22px;
    padding: 0;
  }

  .yjd-foundation-article li {
    font-family: Arial, sans-serif;
    font-size: 16px;
    margin-bottom: 8px;
    color: #333;
  }

  .yjd-foundation-article a {
    color: #d98200;
    text-decoration: underline;
    text-underline-offset: 3px;
  }

  .yjd-foundation-article a:hover {
    color: #a96300;
  }

  .yjd-foundation-article .intro-box {
    background: #f7f7f7;
    border-left: 4px solid #f6a400;
    padding: 18px 20px;
    margin: 24px 0;
  }

  .yjd-foundation-article .note-box {
    background: #fff8ea;
    border: 1px solid #f2d49b;
    padding: 18px 20px;
    margin: 24px 0;
    border-radius: 8px;
  }

  .yjd-foundation-article .checklist-box {
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    padding: 20px;
    margin: 24px 0;
    border-radius: 10px;
  }

  .yjd-foundation-article .comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 22px 0;
    font-size: 16px;
  }

  .yjd-foundation-article .comparison-table th,
  .yjd-foundation-article .comparison-table td {
    border: 1px solid #e5e7eb;
    padding: 12px 14px;
    text-align: left;
    vertical-align: top;
  }

  .yjd-foundation-article .comparison-table th {
    background: #f6a400;
    color: #111;
    font-weight: 700;
  }

  .yjd-foundation-article .comparison-table td {
    background: #fff;
    color: #333;
  }

  .yjd-foundation-article .cta-section {
    background: #1f1f1f;
    color: #fff;
    padding: 28px 24px;
    margin: 42px 0 20px;
    border-radius: 12px;
  }

  .yjd-foundation-article .cta-section h2 {
    color: #fff;
    margin-top: 0;
  }

  .yjd-foundation-article .cta-section p {
    color: #f1f1f1;
  }

  .yjd-foundation-article .cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
  }

  .yjd-foundation-article .cta-button {
    display: inline-block;
    background: #f6a400;
    color: #111;
    padding: 12px 18px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 700;
  }

  .yjd-foundation-article .cta-button:hover {
    background: #ffb51f;
    color: #111;
  }

  .yjd-foundation-article .cta-button.secondary {
    background: transparent;
    color: #fff;
    border: 1px solid #fff;
  }

  .yjd-foundation-article .cta-button.secondary:hover {
    background: #fff;
    color: #111;
  }

  .yjd-foundation-article .faq-item {
    border-bottom: 1px solid #e5e7eb;
    padding: 18px 0;
  }

  .yjd-foundation-article .faq-item h3 {
    margin-top: 0;
  }

  @media (max-width: 768px) {
    .yjd-foundation-article {
      padding: 20px 14px;
    }

    .yjd-foundation-article h1 {
      font-size: 26px;
    }

    .yjd-foundation-article h2 {
      font-size: 21px;
    }

    .yjd-foundation-article h3 {
      font-size: 17px;
    }

    .yjd-foundation-article .comparison-table {
      display: block;
      overflow-x: auto;
      white-space: nowrap;
    }

    .yjd-foundation-article .cta-buttons {
      flex-direction: column;
    }

    .yjd-foundation-article .cta-button {
      width: 100%;
      text-align: center;
    }
  }