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

    :root {
      --mct-navy: #0a0f1c;
      --mct-blue: #1a2b4a;
      --mct-accent: #3b82f6;
      --mct-accent-hover: #60a5fa;
      --mct-text: #e2e8f0;
      --mct-muted: #94a3b8;
      --glass-bg: rgba(10, 15, 28, 0.75);
      --glass-border: rgba(255, 255, 255, 0.08);
      --section-border: rgba(59, 130, 246, 0.12);
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Inter', system-ui, sans-serif;
      background-color: var(--mct-navy);
      color: var(--mct-text);
      line-height: 1.6;
      min-height: 100vh;
      -webkit-font-smoothing: antialiased;
    }

    .site-wrapper {
      max-width: 680px;
      margin: 0 auto;
      padding: 4rem 1.5rem 5rem;
    }

    .glass-card {
      background: var(--glass-bg);
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
      border: 1px solid var(--glass-border);
      border-radius: 24px;
      padding: 3rem 2.5rem;
      box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.04) inset;
    }

    .page-header {
      text-align: center;
      margin-bottom: 1rem;
    }

    .page-header img {
      border-radius: 20px;
      max-height: 160px;
      width: auto;
      box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    }

    .page-title {
      font-size: 2rem;
      font-weight: 700;
      color: var(--mct-text);
      margin-top: 1.5rem;
      letter-spacing: -0.02em;
    }

    .page-subtitle {
      font-size: 0.9rem;
      color: var(--mct-muted);
      margin-top: 0.5rem;
      font-weight: 400;
    }

    .intro {
      margin-top: 2rem;
      font-size: 0.95rem;
      color: var(--mct-muted);
      line-height: 1.75;
    }

    .intro p {
      margin-bottom: 1rem;
    }

    .intro strong {
      color: var(--mct-text);
      font-weight: 500;
    }

    .config-section {
      margin-top: 2.5rem;
      padding-top: 2.5rem;
      border-top: 1px solid var(--section-border);
    }

    .config-section:first-of-type {
      margin-top: 2rem;
      padding-top: 0;
      border-top: none;
    }

    h2 {
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--mct-text);
      margin-bottom: 1rem;
      letter-spacing: -0.01em;
    }

    .config-section p {
      font-size: 0.9rem;
      color: var(--mct-muted);
      margin-bottom: 0.75rem;
      line-height: 1.7;
    }

    .config-section ol,
    .config-section ul {
      font-size: 0.9rem;
      color: var(--mct-muted);
      line-height: 1.8;
      padding-left: 1.25rem;
      margin-bottom: 0.75rem;
    }

    .config-section li strong {
      color: var(--mct-text);
      font-weight: 500;
    }

    .config-section ul {
      list-style: none;
      padding-left: 0;
      margin-top: 0.25rem;
    }

    .config-section ul li {
      padding-left: 1rem;
      position: relative;
    }

    .config-section ul li::before {
      content: '–';
      position: absolute;
      left: 0;
      color: var(--mct-accent);
    }

    code {
      background: rgba(59, 130, 246, 0.1);
      border: 1px solid rgba(59, 130, 246, 0.2);
      border-radius: 6px;
      padding: 0.15em 0.5em;
      font-family: 'SF Mono', 'Fira Code', 'Fira Mono', ui-monospace, monospace;
      font-size: 0.85em;
      color: var(--mct-accent-hover);
    }

    .apple-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      margin-top: 1.25rem;
      padding: 0.75rem 1.5rem;
      background: linear-gradient(135deg, var(--mct-accent), #2563eb);
      color: #fff;
      text-decoration: none;
      border-radius: 10px;
      font-size: 0.9rem;
      font-weight: 600;
      letter-spacing: 0.01em;
      box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
      transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
    }

    .apple-btn:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
      filter: brightness(1.08);
    }

    .apple-btn:active {
      transform: translateY(0);
    }

    .apple-btn svg {
      width: 18px;
      height: 18px;
      fill: currentColor;
      flex-shrink: 0;
    }

    .apple-instructions {
      margin-top: 1rem;
      font-size: 0.85rem;
      color: var(--mct-muted);
      line-height: 1.75;
    }

    .apple-instructions strong {
      color: var(--mct-text);
      font-weight: 500;
    }

    .apple-instructions br {
      display: block;
      content: '';
      margin-top: 0.35rem;
    }

    .site-footer {
      margin-top: 3rem;
      padding-top: 2rem;
      border-top: 1px solid var(--section-border);
      font-size: 0.82rem;
      color: var(--mct-muted);
      line-height: 1.8;
      text-align: center;
    }

    .site-footer a {
      color: var(--mct-accent-hover);
      text-decoration: none;
      font-weight: 500;
    }

    .site-footer a:hover {
      text-decoration: underline;
    }

    @media (max-width: 480px) {
      .site-wrapper {
        padding: 2rem 1rem 3rem;
      }
      .glass-card {
        padding: 2rem 1.5rem;
        border-radius: 18px;
      }
      .page-title {
        font-size: 1.6rem;
      }
      .page-header img {
        max-height: 120px;
      }
    }