:root {
      --blue: #0b72d9;
      --blue-dark: #074f9f;
      --yellow: #f7c948;
      --yellow-soft: #fff7d6;
      --red: #ef4444;
      --red-soft: #ffe6e6;
      --sky: #eaf5ff;
      --pale: #f8fbff;
      --text: #263241;
      --muted: #677487;
      --border: #d7e8f8;
      --white: #ffffff;
      --shadow: 0 18px 45px rgba(11, 114, 217, 0.13);
      --radius: 26px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
      background:
        radial-gradient(circle at top left, rgba(11, 114, 217, 0.16), transparent 32%),
        radial-gradient(circle at top right, rgba(247, 201, 72, 0.18), transparent 30%),
        linear-gradient(180deg, #ffffff 0%, var(--pale) 48%, #ffffff 100%);
      color: var(--text);
      line-height: 1.75;
    }

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

    a {
      color: var(--blue);
      font-weight: 800;
      text-decoration: none;
    }

    a:hover {
      color: var(--blue-dark);
      text-decoration: underline;
    }

    .topbar {
      background: linear-gradient(90deg, var(--blue-dark), var(--blue), var(--yellow), var(--red));
      color: #ffffff;
      padding: 11px 5%;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      font-size: 14px;
      letter-spacing: 0.2px;
    }

    .page-wrap {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 18px;
    }

    .hero {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      gap: 28px;
      margin: 34px 0 26px;
      align-items: stretch;
    }

    .hero-content {
      position: relative;
      overflow: hidden;
      background: rgba(255, 255, 255, 0.94);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 46px;
      box-shadow: var(--shadow);
    }

    .hero-content::before {
      content: "";
      position: absolute;
      right: -95px;
      top: -95px;
      width: 290px;
      height: 290px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(247, 201, 72, 0.38), transparent 70%);
      pointer-events: none;
    }

    .hero-content::after {
      content: "";
      position: absolute;
      left: -100px;
      bottom: -110px;
      width: 280px;
      height: 280px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(239, 68, 68, 0.16), transparent 70%);
      pointer-events: none;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 16px;
      border-radius: 999px;
      background: var(--sky);
      color: var(--blue-dark);
      font-size: 13px;
      font-weight: 900;
      margin-bottom: 18px;
      position: relative;
      z-index: 1;
    }

    h1 {
      margin: 0 0 18px;
      font-size: clamp(34px, 4vw, 56px);
      line-height: 1.08;
      color: #10233d;
      letter-spacing: -1.2px;
      position: relative;
      z-index: 1;
    }

    .color-word-blue {
      color: var(--blue);
    }

    .color-word-yellow {
      color: #d69a00;
    }

    .color-word-red {
      color: var(--red);
    }

    .hero-lead {
      color: var(--muted);
      font-size: 18px;
      max-width: 760px;
      margin: 0 0 24px;
      position: relative;
      z-index: 1;
    }

    .quick-answer {
      background:
        linear-gradient(135deg, #ffffff, #f4faff);
      border: 1px solid var(--border);
      border-left: 5px solid var(--blue);
      border-radius: 20px;
      padding: 20px;
      color: #39485a;
      position: relative;
      z-index: 1;
    }

    .quick-answer strong {
      color: #10233d;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 26px;
      position: relative;
      z-index: 1;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 22px;
      border-radius: 999px;
      font-weight: 900;
      border: 1px solid transparent;
      transition: all 0.25s ease;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--blue-dark), var(--blue));
      color: #ffffff;
      box-shadow: 0 14px 28px rgba(11, 114, 217, 0.25);
    }

    .btn-primary:hover {
      color: #ffffff;
      text-decoration: none;
      transform: translateY(-2px);
    }

    .btn-outline {
      background: #ffffff;
      color: var(--blue-dark);
      border-color: var(--border);
    }

    .btn-outline:hover {
      background: var(--sky);
      text-decoration: none;
    }

    .hero-media {
      background:
        radial-gradient(circle at top left, rgba(11, 114, 217, 0.13), transparent 30%),
        radial-gradient(circle at bottom right, rgba(239, 68, 68, 0.13), transparent 34%),
        linear-gradient(180deg, #ffffff, #f5fbff);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 22px;
      box-shadow: var(--shadow);
      display: grid;
      gap: 16px;
      align-content: start;
    }

    .figure-card {
      margin: 0;
    }

    .image-frame {
      width: 100%;
      overflow: hidden;
      border-radius: 24px;
      border: 1px solid var(--border);
      background: #ffffff;
      box-shadow: 0 12px 28px rgba(11, 114, 217, 0.1);
    }

    .ratio-4-3 {
      aspect-ratio: 4 / 3;
    }

    .ratio-1-1 {
      aspect-ratio: 1 / 1;
    }

    .image-frame img {
      width: 100%;
      height: 100%;
      display: block;
      object-position: center;
    }

    .image-frame.cover img {
      object-fit: cover;
    }

    .image-frame.contain img {
      object-fit: contain;
      padding: 10px;
      background: #ffffff;
    }

    .image-note {
      padding: 10px 14px;
      font-size: 13px;
      color: var(--muted);
      background: #f8fbff;
      border: 1px solid var(--border);
      border-top: none;
      border-radius: 0 0 18px 18px;
      line-height: 1.5;
    }

    .light-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }

    .light-card {
      border-radius: 18px;
      padding: 16px;
      background: #ffffff;
      border: 1px solid var(--border);
      text-align: center;
    }

    .light-dot {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      margin: 0 auto 8px;
    }

    .dot-blue {
      background: var(--blue);
      box-shadow: 0 0 22px rgba(11, 114, 217, 0.55);
    }

    .dot-yellow {
      background: var(--yellow);
      box-shadow: 0 0 22px rgba(247, 201, 72, 0.65);
    }

    .dot-red {
      background: var(--red);
      box-shadow: 0 0 22px rgba(239, 68, 68, 0.45);
    }

    .light-card strong {
      display: block;
      color: #10233d;
      font-size: 15px;
    }

    .light-card span {
      display: block;
      color: var(--muted);
      font-size: 12px;
      margin-top: 4px;
    }

    .nav-pills {
      display: flex;
      gap: 10px;
      overflow-x: auto;
      padding: 12px;
      margin: 28px 0;
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: 999px;
      box-shadow: 0 8px 22px rgba(11, 114, 217, 0.08);
    }

    .nav-pills a {
      white-space: nowrap;
      padding: 10px 16px;
      background: var(--sky);
      color: var(--blue-dark);
      border-radius: 999px;
      font-size: 14px;
    }

    .layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 28px;
      align-items: start;
    }

    article {
      background: rgba(255, 255, 255, 0.97);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 34px;
      box-shadow: var(--shadow);
    }

    article h2 {
      margin: 42px 0 14px;
      font-size: 30px;
      line-height: 1.25;
      color: #10233d;
    }

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

    article h3 {
      margin: 30px 0 10px;
      font-size: 22px;
      color: var(--blue-dark);
    }

    article p {
      color: #39485a;
      margin: 0 0 18px;
    }

    .info-box {
      background:
        radial-gradient(circle at right top, rgba(247, 201, 72, 0.2), transparent 30%),
        linear-gradient(135deg, #ffffff, #f4faff);
      border: 1px solid var(--border);
      border-radius: 22px;
      padding: 24px;
      margin: 26px 0;
    }

    .info-box h3 {
      margin-top: 0;
    }

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

    .card {
      background: #f8fbff;
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 20px;
    }

    .card h3 {
      margin: 0 0 8px;
      color: var(--blue-dark);
    }

    .color-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
      margin: 26px 0;
    }

    .color-card {
      border-radius: 22px;
      padding: 22px;
      border: 1px solid var(--border);
      background: #ffffff;
      box-shadow: 0 10px 24px rgba(11, 114, 217, 0.07);
    }

    .color-card.blue {
      border-top: 6px solid var(--blue);
    }

    .color-card.yellow {
      border-top: 6px solid var(--yellow);
    }

    .color-card.red {
      border-top: 6px solid var(--red);
    }

    .color-card h3 {
      margin-top: 0;
      color: #10233d;
    }

    .comparison-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      border: 1px solid var(--border);
      border-radius: 20px;
      overflow: hidden;
      background: #ffffff;
      margin: 26px 0;
    }

    .comparison-table th,
    .comparison-table td {
      padding: 16px;
      border-bottom: 1px solid var(--border);
      text-align: left;
      vertical-align: top;
    }

    .comparison-table th {
      background: linear-gradient(90deg, var(--blue-dark), var(--blue));
      color: #ffffff;
      font-size: 15px;
    }

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

    .comparison-table td:first-child {
      background: #f4faff;
      color: #10233d;
      font-weight: 900;
    }

    .check-list {
      list-style: none;
      padding-left: 0;
      margin: 16px 0 0;
    }

    .check-list li {
      position: relative;
      padding-left: 32px;
      margin-bottom: 12px;
      color: #39485a;
    }

    .check-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      top: 1px;
      width: 23px;
      height: 23px;
      border-radius: 50%;
      background: var(--sky);
      color: var(--blue);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 13px;
    }

    .warning {
      margin: 24px 0;
      padding: 18px;
      border: 1px solid #ffd8d8;
      border-left: 5px solid var(--red);
      border-radius: 18px;
      background: #fffafa;
      color: var(--muted);
      font-size: 14px;
    }

    .sidebar {
      position: sticky;
      top: 18px;
      display: grid;
      gap: 18px;
    }

    .side-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: 22px;
      padding: 22px;
      box-shadow: 0 10px 25px rgba(11, 114, 217, 0.08);
    }

    .side-card h3 {
      margin-top: 0;
      color: #10233d;
    }

    .side-card ul {
      padding-left: 18px;
      color: #39485a;
      margin-bottom: 0;
    }

    .side-cta {
      background:
        radial-gradient(circle at top right, rgba(255,255,255,0.32), transparent 30%),
        linear-gradient(135deg, var(--blue-dark), var(--blue), #f59e0b);
      color: #ffffff;
      border-radius: 24px;
      padding: 24px;
      box-shadow: var(--shadow);
    }

    .side-cta h3 {
      margin-top: 0;
      color: #ffffff;
    }

    .side-cta p {
      color: rgba(255,255,255,0.94);
    }

    .side-cta a {
      display: inline-block;
      background: #ffffff;
      color: var(--blue-dark);
      padding: 12px 18px;
      border-radius: 999px;
      margin-top: 8px;
      font-weight: 900;
    }

    details {
      background: #f8fbff;
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 16px 18px;
      margin-bottom: 12px;
    }

    summary {
      cursor: pointer;
      font-weight: 900;
      color: #10233d;
    }

    details p {
      margin: 12px 0 0;
      color: #39485a;
    }

    .final-cta {
      margin-top: 40px;
      padding: 36px;
      border-radius: 26px;
      background:
        radial-gradient(circle at right top, rgba(255,255,255,0.35), transparent 28%),
        linear-gradient(135deg, var(--blue-dark), var(--blue), var(--yellow), var(--red));
      color: #ffffff;
      text-align: center;
    }

    .final-cta h2 {
      color: #ffffff;
      margin-top: 0;
    }

    .final-cta p {
      max-width: 780px;
      margin: 0 auto 22px;
      color: rgba(255,255,255,0.95);
    }

    .final-cta .btn {
      background: #ffffff;
      color: var(--blue-dark);
    }

    footer {
      padding: 36px 18px;
      text-align: center;
      color: var(--muted);
      font-size: 14px;
    }

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

      .sidebar {
        position: static;
      }

      .hero-content {
        padding: 34px 24px;
      }

      article {
        padding: 26px 20px;
      }

      .cards,
      .color-grid {
        grid-template-columns: 1fr;
      }

      .light-strip {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 560px) {
      .topbar {
        font-size: 13px;
      }

      h1 {
        font-size: 34px;
      }

      .hero-lead {
        font-size: 16px;
      }

      .btn {
        width: 100%;
      }

      .nav-pills {
        border-radius: 18px;
      }

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