:root {
      --navy: #0b2d4d;
      --blue: #0a5ca8;
      --blue-dark: #07457d;
      --gold: #c8a45c;
      --ink: #1c2733;
      --muted: #5b6b7c;
      --line: #d9e1e8;
      --surface: #ffffff;
      --canvas: #f4f7f9;
      --soft: #eef4f9;
      --radius: 14px;
      --shadow: 0 12px 32px rgba(11, 45, 77, 0.08);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: var(--canvas);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, "Noto Sans TC", "PingFang TC",
        "Microsoft JhengHei", sans-serif;
      font-size: 16px;
      line-height: 1.7;
      -webkit-text-size-adjust: 100%;
    }

    a {
      color: var(--blue);
      text-decoration-thickness: 0.08em;
      text-underline-offset: 0.18em;
    }

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

    a:focus-visible,
    button:focus-visible {
      outline: 3px solid var(--gold);
      outline-offset: 3px;
      border-radius: 4px;
    }

    .skip-link {
      position: absolute;
      left: 12px;
      top: -60px;
      z-index: 20;
      padding: 10px 14px;
      border-radius: 8px;
      background: #ffffff;
      color: var(--navy);
      font-weight: 700;
      box-shadow: var(--shadow);
      transition: top 120ms ease;
    }

    .skip-link:focus {
      top: 12px;
    }

    .site-header {
      background:
        radial-gradient(circle at 88% 12%, rgba(200, 164, 92, 0.24), transparent 34%),
        linear-gradient(135deg, var(--navy), #123f68 58%, #0a5ca8);
      color: #ffffff;
      border-bottom: 4px solid var(--gold);
    }

    .header-inner {
      width: min(100% - 40px, 980px);
      margin: 0 auto;
      padding: 28px 0 26px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      color: #ffffff;
      text-decoration: none;
      display: grid;
      gap: 2px;
    }

    .brand:hover {
      color: #ffffff;
    }

    .brand-kicker {
      margin: 0;
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: #d9e8f6;
    }

    .brand-title {
      margin: 0;
      font-size: clamp(1.25rem, 2.5vw, 1.65rem);
      line-height: 1.2;
      letter-spacing: -0.01em;
    }

    .language-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid rgba(255, 255, 255, 0.28);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.08);
    }

    .language-nav a {
      color: #ffffff;
      text-decoration: none;
      padding: 7px 13px;
      border-radius: 999px;
      font-size: 0.88rem;
      font-weight: 700;
      white-space: nowrap;
    }

    .language-nav a:hover {
      background: rgba(255, 255, 255, 0.16);
    }

    main {
      width: min(100% - 40px, 980px);
      margin: 0 auto;
      padding: 44px 0 64px;
    }

    .policy {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: clamp(24px, 4vw, 56px);
    }

    .policy + .policy {
      margin-top: 34px;
    }

    .eyebrow {
      margin: 0 0 8px;
      color: var(--blue);
      font-size: 0.78rem;
      font-weight: 800;
      letter-spacing: 0.14em;
      text-transform: uppercase;
    }

    h1 {
      margin: 0;
      color: var(--navy);
      font-size: clamp(1.85rem, 4.2vw, 2.65rem);
      line-height: 1.15;
      letter-spacing: -0.025em;
    }

    .meta {
      margin: 14px 0 0;
      color: var(--muted);
      font-size: 0.92rem;
    }

    .lead {
      margin: 22px 0 0;
      padding: 18px 20px;
      border-left: 4px solid var(--gold);
      border-radius: 0 10px 10px 0;
      background: var(--soft);
      font-size: 1.02rem;
    }

    .toc {
      margin: 28px 0 34px;
      padding: 20px 22px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: #fbfcfd;
    }

    .toc h2 {
      margin: 0 0 10px;
      font-size: 0.8rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--muted);
    }

    .toc ol {
      margin: 0;
      padding-left: 20px;
      columns: 2;
      column-gap: 28px;
    }

    .toc li {
      margin: 3px 0;
      break-inside: avoid;
    }

    .toc a {
      text-decoration: none;
    }

    .toc a:hover {
      text-decoration: underline;
    }

    h2 {
      margin: 38px 0 12px;
      padding-top: 8px;
      color: var(--navy);
      font-size: clamp(1.2rem, 2.5vw, 1.42rem);
      line-height: 1.3;
      letter-spacing: -0.01em;
    }

    h2:first-of-type {
      margin-top: 0;
    }

    h3 {
      margin: 24px 0 8px;
      color: var(--navy);
      font-size: 1.04rem;
      line-height: 1.4;
    }

    p {
      margin: 0 0 14px;
    }

    ul,
    ol {
      margin: 0 0 16px;
      padding-left: 24px;
    }

    li {
      margin: 5px 0;
    }

    li > ul,
    li > ol {
      margin-top: 6px;
      margin-bottom: 6px;
    }

    .callout {
      margin: 20px 0;
      padding: 16px 18px;
      border: 1px solid #cfe0ee;
      border-radius: 10px;
      background: #f5faff;
    }

    .callout strong {
      color: var(--navy);
    }

    .table-wrap {
      margin: 18px 0 22px;
      overflow-x: auto;
      border: 1px solid var(--line);
      border-radius: 10px;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      min-width: 660px;
      font-size: 0.94rem;
    }

    caption {
      caption-side: top;
      padding: 12px 14px;
      text-align: left;
      color: var(--muted);
      font-size: 0.88rem;
      border-bottom: 1px solid var(--line);
      background: #fbfcfd;
    }

    th,
    td {
      padding: 12px 14px;
      text-align: left;
      vertical-align: top;
      border-bottom: 1px solid var(--line);
    }

    th {
      color: var(--navy);
      background: var(--soft);
      font-size: 0.82rem;
      letter-spacing: 0.02em;
      text-transform: uppercase;
    }

    tr:last-child td {
      border-bottom: 0;
    }

    code {
      padding: 2px 6px;
      border-radius: 5px;
      background: #eef2f6;
      color: var(--navy);
      font-size: 0.9em;
      overflow-wrap: anywhere;
    }

    .note {
      color: var(--muted);
      font-size: 0.9rem;
    }

    .divider {
      height: 1px;
      margin: 38px 0;
      border: 0;
      background: var(--line);
    }

    .footer {
      width: min(100% - 40px, 980px);
      margin: 0 auto;
      padding: 0 0 48px;
      color: var(--muted);
      font-size: 0.88rem;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 18px;
      margin-bottom: 12px;
    }

    .footer-links a {
      font-weight: 600;
    }

    @media (max-width: 680px) {
      .header-inner,
      main,
      .footer {
        width: min(100% - 28px, 980px);
      }

      .header-inner {
        padding: 22px 0;
      }

      main {
        padding-top: 26px;
      }

      .policy {
        border-radius: 10px;
      }

      .toc ol {
        columns: 1;
      }

      .table-wrap {
        border-radius: 8px;
      }
    }

    @media print {
      body {
        background: #ffffff;
        font-size: 11.5pt;
      }

      .site-header {
        background: #ffffff;
        color: #000000;
        border-bottom: 2px solid #000000;
      }

      .brand,
      .brand:hover,
      .brand-kicker,
      .brand-title,
      .language-nav a {
        color: #000000;
      }

      .language-nav,
      .skip-link {
        display: none;
      }

      main,
      .header-inner,
      .footer {
        width: 100%;
        padding-left: 0;
        padding-right: 0;
      }

      .policy {
        border: 0;
        box-shadow: none;
        padding: 0;
      }

      .policy + .policy {
        margin-top: 0;
        break-before: page;
      }

      a {
        color: #000000;
        text-decoration: underline;
      }

      .toc {
        break-inside: avoid;
      }

      h2,
      h3 {
        break-after: avoid;
      }
    }

    /* Support page additions */
    .help-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 14px;
      margin: 24px 0 8px;
    }

    .help-card {
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 16px 18px;
      background: #ffffff;
    }

    .help-card h2 {
      margin: 0 0 6px;
      padding: 0;
      font-size: 1.05rem;
      line-height: 1.35;
    }

    .help-card p {
      margin: 0;
      color: var(--muted);
      font-size: 0.92rem;
    }

    .help-card a {
      font-weight: 700;
    }

    .callout {
      margin: 18px 0;
      padding: 14px 18px;
      border-left: 4px solid var(--gold);
      border-radius: 0 10px 10px 0;
      background: #fbf7ee;
    }

    .callout p {
      margin: 0;
    }

    .callout p + p {
      margin-top: 8px;
    }

    .steps {
      counter-reset: step;
      list-style: none;
      padding-left: 0;
    }

    .steps li {
      counter-increment: step;
      position: relative;
      margin: 12px 0;
      padding-left: 38px;
    }

    .steps li::before {
      content: counter(step);
      position: absolute;
      left: 0;
      top: 0.1em;
      display: grid;
      place-items: center;
      width: 26px;
      height: 26px;
      border-radius: 50%;
      background: var(--navy);
      color: #ffffff;
      font-size: 0.8rem;
      font-weight: 800;
      line-height: 1;
    }

    .support-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 18px 0 0;
    }

    .button {
      display: inline-block;
      padding: 10px 16px;
      border-radius: 999px;
      background: var(--blue);
      color: #ffffff;
      font-weight: 700;
      text-decoration: none;
    }

    .button:hover {
      background: var(--blue-dark);
      color: #ffffff;
    }

    .button.secondary {
      border: 1px solid var(--line);
      background: #ffffff;
      color: var(--navy);
    }

    .button.secondary:hover {
      background: var(--soft);
      color: var(--navy);
    }

    @media print {
      .help-grid,
      .support-actions {
        display: none;
      }
    }