:root {
    --blue: #0b72c9;
    --deep-blue: #064f8f;
    --light-blue: #eaf6ff;
    --soft-blue: #f5fbff;
    --text: #243447;
    --gray: #667085;
    --border: #dcebf7;
    --white: #ffffff;
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
  }

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

  a {
    color: var(--blue);
    text-decoration: none;
    font-weight: 600;
    word-break: break-word;
  }

  a:hover {
    text-decoration: underline;
  }

  img {
    max-width: 100%;
    height: auto;
    display: block;
  }

  .blog-wrapper {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 24px;
  }

  .hero {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 34px;
    align-items: center;
    background: linear-gradient(135deg, #f7fbff 0%, #e9f6ff 100%);
    border-radius: 28px;
    padding: 44px;
    margin-bottom: 42px;
    border: 1px solid var(--border);
    overflow: hidden;
  }

  .hero-tag {
    display: inline-block;
    background: #dff1ff;
    color: var(--deep-blue);
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 18px;
  }

  .hero h1 {
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.18;
    margin: 0 0 18px;
    color: #102a43;
    word-break: normal;
    overflow-wrap: anywhere;
  }

  .hero p {
    font-size: clamp(16px, 2vw, 18px);
    color: var(--gray);
    margin: 0 0 26px;
  }

  .hero-img {
    width: 100%;
    border-radius: 24px;
    overflow: hidden;
    background: #ffffff;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .hero-img img {
    width: 100%;
    height: auto;
    object-fit: contain;
  }

  .cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 22px;
  }

  .btn-primary,
  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 22px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    line-height: 1.3;
    text-align: center;
    min-height: 48px;
  }

  .btn-primary {
    background: var(--blue);
    color: #ffffff;
  }

  .btn-secondary {
    background: #ffffff;
    color: var(--deep-blue);
    border: 1px solid var(--border);
  }

  .content-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(260px, 0.8fr);
    gap: 34px;
    align-items: start;
  }

  article {
    min-width: 0;
  }

  .article-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 34px;
    margin-bottom: 28px;
    overflow: hidden;
  }

  .article-card h2 {
    font-size: clamp(24px, 3vw, 30px);
    line-height: 1.25;
    color: #102a43;
    margin-top: 0;
    margin-bottom: 16px;
  }

  .article-card h3 {
    font-size: clamp(19px, 2.4vw, 22px);
    line-height: 1.35;
    color: var(--deep-blue);
    margin-top: 28px;
    margin-bottom: 12px;
  }

  .article-card p {
    margin: 0 0 16px;
    font-size: 16px;
    overflow-wrap: anywhere;
  }

  .highlight {
    background: var(--soft-blue);
    border-left: 5px solid var(--blue);
    padding: 20px;
    border-radius: 16px;
    margin: 24px 0;
    overflow-wrap: anywhere;
  }

  .image-box {
    width: 100%;
    border-radius: 22px;
    overflow: hidden;
    background: #f4f8fb;
    border: 1px solid var(--border);
    margin: 24px 0 8px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .image-box img {
    width: 100%;
    height: auto;
    object-fit: contain;
  }

  .caption {
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 20px;
  }

  .table-wrap {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 24px 0;
    border-radius: 18px;
    border: 1px solid var(--border);
  }

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

  th {
    background: var(--deep-blue);
    color: #ffffff;
    padding: 14px;
    text-align: left;
    font-size: 15px;
    line-height: 1.4;
  }

  td {
    padding: 14px;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
    line-height: 1.5;
    vertical-align: top;
  }

  tr:nth-child(even) td {
    background: #f8fbff;
  }

  .promo-box {
    background: linear-gradient(135deg, #0b72c9 0%, #064f8f 100%);
    color: #ffffff;
    border-radius: 26px;
    padding: 34px;
    margin: 34px 0;
    overflow: hidden;
  }

  .promo-box h2 {
    color: #ffffff;
    margin-top: 0;
    font-size: clamp(24px, 3vw, 30px);
    line-height: 1.25;
  }

  .promo-box p {
    margin: 0 0 16px;
  }

  .promo-price {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin: 24px 0;
  }

  .price-card {
    background: rgba(255,255,255,0.13);
    border: 1px solid rgba(255,255,255,0.22);
    border-radius: 20px;
    padding: 22px;
  }

  .price-card strong {
    display: block;
    font-size: 20px;
    margin-bottom: 8px;
  }

  .price-card span {
    font-size: 14px;
    opacity: 0.9;
  }

  .promo-box a {
    color: #ffffff;
    text-decoration: underline;
  }

  .sidebar {
    position: sticky;
    top: 20px;
    min-width: 0;
  }

  .side-card {
    background: var(--soft-blue);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 24px;
    margin-bottom: 22px;
    overflow: hidden;
  }

  .side-card h3 {
    margin-top: 0;
    color: var(--deep-blue);
    font-size: 20px;
    line-height: 1.35;
  }

  .side-card ul {
    padding-left: 20px;
    margin-bottom: 0;
  }

  .side-card li {
    margin-bottom: 8px;
  }

  .faq-item {
    border-bottom: 1px solid var(--border);
    padding: 18px 0;
  }

  .faq-item:last-child {
    border-bottom: none;
  }

  .faq-item h3 {
    margin: 0 0 8px;
    font-size: 20px;
    color: var(--deep-blue);
  }

  .final-cta {
    text-align: center;
    background: #f2f9ff;
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 42px 28px;
    margin-top: 36px;
    overflow: hidden;
  }

  .final-cta h2 {
    margin-top: 0;
    font-size: clamp(24px, 3vw, 32px);
    line-height: 1.25;
    color: #102a43;
  }

  @media (max-width: 980px) {
    .hero,
    .content-grid {
      grid-template-columns: 1fr;
    }

    .hero {
      padding: 32px;
    }

    .sidebar {
      position: static;
    }
  }

  @media (max-width: 720px) {
    .blog-wrapper {
      padding: 16px;
    }

    .hero {
      gap: 24px;
      padding: 24px;
      border-radius: 22px;
      margin-bottom: 28px;
    }

    .article-card {
      padding: 22px;
      border-radius: 20px;
      margin-bottom: 22px;
    }

    .promo-box {
      padding: 24px;
      border-radius: 22px;
    }

    .promo-price {
      grid-template-columns: 1fr;
    }

    .side-card {
      padding: 22px;
    }

    .final-cta {
      padding: 30px 20px;
      border-radius: 22px;
    }

    table {
      min-width: 680px;
    }
  }

  @media (max-width: 520px) {
    .blog-wrapper {
      padding: 12px;
    }

    .hero {
      padding: 20px;
      border-radius: 18px;
    }

    .hero-tag {
      font-size: 13px;
      padding: 7px 13px;
    }

    .hero p,
    .article-card p,
    .highlight,
    td,
    th {
      font-size: 15px;
    }

    .article-card {
      padding: 18px;
      border-radius: 18px;
    }

    .image-box,
    .hero-img {
      border-radius: 16px;
    }

    .btn-primary,
    .btn-secondary {
      width: 100%;
      text-align: center;
      padding: 13px 18px;
    }

    .cta-row {
      gap: 10px;
    }

    table {
      min-width: 620px;
    }

    th,
    td {
      padding: 12px;
    }
  }