:root {
    --blue-900: #0a1628;
    --blue-800: #0d2045;
    --blue-700: #0f2d6b;
    --blue-600: #1346a8;
    --blue-500: #1a5dd4;
    --blue-400: #3b78f5;
    --blue-300: #6b9ff8;
    --blue-200: #bdd3fd;
    --blue-100: #e8f0fe;
    --blue-50:  #f0f5ff;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  body {
    font-family: 'Inter', sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    min-height: 100vh;
    line-height: 1.6;
  }

  h1, h2, h3, h4, h5 { font-family: 'Sora', sans-serif; }

  /* ── HEADER ── */
  .site-header {
    background: linear-gradient(160deg, var(--blue-800) 0%, var(--blue-600) 55%, var(--blue-500) 100%);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0,0,0,0.25);
  }
  .header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 32px;
    height: 64px;
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .header-logo img {
    height: 44px;
    width: auto;
  }
  .header-logo-fallback {
    font-family: 'Sora', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: white;
    letter-spacing: -0.3px;
  }
  .header-spacer { flex: 1; }
  .back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.85);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.2s;
    cursor: pointer;
    font-family: 'Sora', sans-serif;
  }
  .back-btn:hover { background: rgba(255,255,255,0.2); color: white; }

  /* ── HERO BANNER ── */
  .hero {
    background: linear-gradient(160deg, var(--blue-800) 0%, var(--blue-600) 55%, var(--blue-500) 100%);
    padding: 56px 32px 72px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute;
    width: 500px; height: 500px; border-radius: 50%;
    background: rgba(255,255,255,0.03);
    top: -200px; left: -100px;
  }
  .hero::after {
    content: '';
    position: absolute;
    width: 350px; height: 350px; border-radius: 50%;
    background: rgba(255,255,255,0.04);
    bottom: -120px; right: -60px;
  }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    color: rgba(255,255,255,0.9);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
  }
  .hero h1 {
    color: white;
    font-size: 44px;
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
    letter-spacing: -0.5px;
  }
  .hero p {
    color: rgba(255,255,255,0.75);
    font-size: 16px;
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
    position: relative;
    z-index: 1;
  }
  .hero-meta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 24px;
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.7);
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 12px;
    position: relative;
    z-index: 1;
  }

  /* ── MAIN CONTENT ── */
  .page-wrap {
    max-width: 860px;
    margin: -40px auto 60px;
    padding: 0 24px;
    position: relative;
    z-index: 2;
  }

  /* TOC */
  .toc-card {
    background: white;
    border-radius: 16px;
    padding: 28px 32px;
    box-shadow: 0 4px 24px rgba(19,70,168,0.1), 0 1px 4px rgba(0,0,0,0.06);
    border: 1px solid var(--gray-200);
    margin-bottom: 24px;
  }
  .toc-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--blue-600);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .toc-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    list-style: none;
  }
  .toc-list li a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--blue-600);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: 8px;
    transition: background 0.2s;
  }
  .toc-list li a:hover { background: var(--blue-50); }
  .toc-num {
    width: 22px;
    height: 22px;
    background: var(--blue-100);
    color: var(--blue-600);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
  }

  /* POLICY SECTION CARD */
  .policy-card {
    background: white;
    border-radius: 16px;
    padding: 36px 40px;
    box-shadow: 0 4px 24px rgba(19,70,168,0.08), 0 1px 4px rgba(0,0,0,0.05);
    border: 1px solid var(--gray-200);
    margin-bottom: 16px;
    scroll-margin-top: 90px;
  }
  .policy-card:hover {
    box-shadow: 0 6px 32px rgba(19,70,168,0.12), 0 2px 8px rgba(0,0,0,0.06);
    transition: box-shadow 0.3s;
  }

  .section-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 700;
    color: var(--blue-500);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
  }
  .section-num {
    width: 24px;
    height: 24px;
    background: var(--blue-100);
    color: var(--blue-600);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 800;
  }

  .policy-card h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--blue-50);
    line-height: 1.3;
  }

  .policy-card p {
    font-size: 14.5px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 14px;
  }
  .policy-card p:last-child { margin-bottom: 0; }

  .policy-card ul {
    list-style: none;
    padding: 0;
    margin: 12px 0;
  }
  .policy-card ul li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14.5px;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 10px;
    padding: 10px 14px;
    background: var(--gray-50);
    border-radius: 8px;
    border-left: 3px solid var(--blue-200);
  }
  .policy-card ul li::before {
    content: '✦';
    color: var(--blue-400);
    font-size: 10px;
    margin-top: 5px;
    flex-shrink: 0;
  }

  .highlight-box {
    background: var(--blue-50);
    border: 1px solid var(--blue-100);
    border-left: 4px solid var(--blue-400);
    border-radius: 10px;
    padding: 16px 20px;
    margin: 16px 0;
    font-size: 14px;
    color: var(--blue-800);
    line-height: 1.7;
  }

  .contact-box {
    background: linear-gradient(135deg, var(--blue-50), #fff);
    border: 1px solid var(--blue-100);
    border-radius: 12px;
    padding: 20px 24px;
    margin-top: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .contact-icon {
    width: 48px;
    height: 48px;
    background: var(--blue-100);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
  }
  .contact-info p { font-size: 13px; color: var(--gray-500); margin-bottom: 2px; }
  .contact-info a {
    color: var(--blue-600);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
  }
  .contact-info a:hover { text-decoration: underline; }

  /* FOOTER */
  .site-footer {
    background: var(--blue-900);
    padding: 36px 32px;
    text-align: center;
  }
  .footer-logo {
    font-family: 'Sora', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
  }
  .footer-logo-link {
    text-decoration: none;
    color: inherit;
}
  .footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
    flex-wrap: wrap;
  }
  .footer-links a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s;
  }
  .footer-links a:hover { color: rgba(255,255,255,0.9); }
  .footer-copy {
    font-size: 12px;
    color: rgba(255,255,255,0.4);
  }

  /* BACK TO TOP */
  .back-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    background: var(--blue-500);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(26,93,212,0.4);
    border: none;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s;
    z-index: 999;
  }
  .back-top.visible { opacity: 1; transform: translateY(0); }
  .back-top:hover { background: var(--blue-600); transform: translateY(-2px); }

  @media (max-width: 700px) {
    .hero h1 { font-size: 30px; }
    .toc-list { grid-template-columns: 1fr; }
    .policy-card { padding: 24px 20px; }
    .page-wrap { padding: 0 16px; }
  }