:root {
      --primary: #0b6fdc;
      --primary-dark: #064c9b;
      --secondary: #eaf4ff;
      --text: #1d2733;
      --muted: #64748b;
      --border: #dbe7f3;
      --bg: #f7fbff;
      --white: #ffffff;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
      color: var(--text);
      background: var(--white);
      line-height: 1.7;
    }

    .blog-wrapper {
      width: 100%;
      overflow: hidden;
      background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
    }

    .container {
      max-width: 1180px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .hero {
      padding: 70px 0 50px;
      background: linear-gradient(135deg, #eef7ff 0%, #ffffff 55%, #e8f3ff 100%);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      gap: 42px;
      align-items: center;
    }

    .badge {
      display: inline-block;
      padding: 8px 16px;
      border-radius: 999px;
      background: var(--secondary);
      color: var(--primary-dark);
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 18px;
    }

    h1 {
      font-size: 44px;
      line-height: 1.15;
      margin: 0 0 20px;
      color: #102033;
      letter-spacing: -0.8px;
    }

    .hero p {
      font-size: 18px;
      color: var(--muted);
      margin: 0 0 28px;
    }

    .cta-row {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-top: 24px;
    }

    .btn {
      display: inline-block;
      padding: 14px 22px;
      border-radius: 10px;
      font-weight: 700;
      text-decoration: none;
      transition: all 0.25s ease;
    }

    .btn-primary {
      background: var(--primary);
      color: var(--white);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
    }

    .btn-outline {
      border: 1px solid var(--primary);
      color: var(--primary);
      background: var(--white);
    }

    .btn-outline:hover {
      background: var(--secondary);
      transform: translateY(-2px);
    }

    .image-box {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 22px;
      padding: 14px;
      box-shadow: 0 18px 45px rgba(15, 78, 130, 0.12);
    }

    .image-box img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 16px;
      object-fit: contain;
    }

    .image-note {
      font-size: 13px;
      color: var(--muted);
      margin-top: 10px;
      text-align: center;
    }

    .content-section {
      padding: 58px 0;
    }

    .article-layout {
      display: grid;
      grid-template-columns: 1fr 320px;
      gap: 40px;
      align-items: start;
    }

    .article-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 22px;
      padding: 38px;
      box-shadow: 0 12px 36px rgba(15, 78, 130, 0.08);
    }

    .article-card h2 {
      font-size: 30px;
      line-height: 1.25;
      margin: 42px 0 16px;
      color: #102033;
    }

    .article-card h2:first-child {
      margin-top: 0;
    }

    .article-card h3 {
      font-size: 22px;
      margin: 30px 0 12px;
      color: #16324f;
    }

    .article-card p {
      margin: 0 0 18px;
      color: #334155;
    }

    .article-card a {
      color: var(--primary);
      font-weight: 700;
    }

    .highlight-box {
      background: linear-gradient(135deg, #eef7ff 0%, #ffffff 100%);
      border-left: 5px solid var(--primary);
      border-radius: 16px;
      padding: 24px;
      margin: 30px 0;
    }

    .highlight-box p {
      margin: 0;
      font-weight: 600;
      color: #17324d;
    }

    .factor-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
      margin: 30px 0;
    }

    .factor-card {
      background: #f8fbff;
      border: 1px solid var(--border);
      border-radius: 18px;
      padding: 22px;
    }

    .factor-card h3 {
      margin-top: 0;
      color: var(--primary-dark);
      font-size: 20px;
    }

    .factor-card p {
      margin-bottom: 0;
      font-size: 15px;
    }

    .table-wrap {
      overflow-x: auto;
      margin: 30px 0;
      border: 1px solid var(--border);
      border-radius: 18px;
      background: var(--white);
    }

    table {
      width: 100%;
      border-collapse: collapse;
      min-width: 720px;
    }

    th {
      background: var(--primary);
      color: var(--white);
      text-align: left;
      padding: 16px;
      font-size: 15px;
    }

    td {
      padding: 16px;
      border-bottom: 1px solid var(--border);
      color: #334155;
      vertical-align: top;
    }

    tr:last-child td {
      border-bottom: none;
    }

    .sidebar {
      position: sticky;
      top: 20px;
    }

    .sidebar-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 22px;
      padding: 24px;
      box-shadow: 0 12px 36px rgba(15, 78, 130, 0.08);
      margin-bottom: 22px;
    }

    .sidebar-card h3 {
      margin: 0 0 16px;
      font-size: 20px;
      color: #102033;
    }

    .sidebar-card ul {
      padding-left: 18px;
      margin: 0;
      color: #334155;
    }

    .sidebar-card li {
      margin-bottom: 10px;
    }

    .mid-image {
      margin: 34px 0;
    }

    .faq {
      margin-top: 34px;
    }

    .faq-item {
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 22px;
      margin-bottom: 16px;
      background: #f8fbff;
    }

    .faq-item h3 {
      margin-top: 0;
      color: var(--primary-dark);
    }

    .final-cta {
      background: linear-gradient(135deg, #0b6fdc 0%, #074a95 100%);
      color: var(--white);
      border-radius: 24px;
      padding: 38px;
      margin-top: 44px;
      text-align: center;
    }

    .final-cta h2 {
      color: var(--white);
      margin-top: 0;
    }

    .final-cta p {
      color: #e8f3ff;
      max-width: 760px;
      margin: 0 auto 24px;
    }

    .final-cta .btn {
      background: var(--white);
      color: var(--primary-dark);
    }

    .img-placeholder-label {
      display: block;
      margin-bottom: 8px;
      font-size: 13px;
      font-weight: 700;
      color: var(--primary-dark);
    }

    @media (max-width: 900px) {
      .hero {
        padding: 48px 0 36px;
      }

      .hero-grid,
      .article-layout {
        grid-template-columns: 1fr;
      }

      h1 {
        font-size: 34px;
      }

      .article-card {
        padding: 26px;
      }

      .factor-grid {
        grid-template-columns: 1fr;
      }

      .sidebar {
        position: static;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 30px;
      }

      .article-card h2 {
        font-size: 25px;
      }

      .cta-row {
        flex-direction: column;
      }

      .btn {
        width: 100%;
        text-align: center;
      }
    }