:root {
      --bg: #fafafa;
      --text: #1f2937;
      --muted: #6b7280;
      --card: #ffffff;
      --border: #e5e7eb;
      --accent: #111827;
      --link: #0f766e;
      --maxw: 860px;
    }

    html, body {
      margin: 0;
      padding: 0;
      background: var(--bg);
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
                   Arial, "Noto Sans", "Liberation Sans", sans-serif;
      line-height: 1.75;
    }

    a { color: var(--link); text-decoration: none; }
    a:hover { text-decoration: underline; }

    .wrap {
      max-width: var(--maxw);
      margin: 48px auto;
      padding: 0 18px;
    }

    header {
      margin-bottom: 26px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border);
    }

    header h1 {
      font-family: Georgia, "Times New Roman", Times, serif;
      font-size: 2.1rem;
      letter-spacing: 0.2px;
      line-height: 1.25;
      margin: 0 0 10px 0;
      color: var(--accent);
    }

    header .meta {
      color: var(--muted);
      font-size: 0.98rem;
    }

    nav.breadcrumb {
      margin: 0 0 14px 0;
      font-size: 0.95rem;
      color: var(--muted);
    }

    nav.breadcrumb a { color: var(--muted); }
    nav.breadcrumb a:hover { color: var(--text); }

    article {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 26px 26px 18px 26px;
      box-shadow: 0 1px 0 rgba(0,0,0,0.02);
    }

    h2, h3 {
      font-family: Georgia, "Times New Roman", Times, serif;
      color: var(--accent);
      margin-top: 30px;
      margin-bottom: 10px;
      line-height: 1.25;
    }

    h2 { font-size: 1.55rem; }
    h3 { font-size: 1.25rem; }

    p { margin: 12px 0; }

    ul {
      margin: 10px 0 10px 22px;
      padding: 0;
    }

    blockquote {
      margin: 18px 0;
      padding: 12px 16px;
      border-left: 4px solid var(--border);
      background: #f7f7f7;
      color: var(--accent);
      border-radius: 10px;
    }

    hr {
      border: 0;
      border-top: 1px solid var(--border);
      margin: 24px 0;
    }

    .note {
      color: var(--muted);
      font-size: 0.98rem;
      margin-top: 18px;
    }

    footer {
      margin-top: 14px;
      color: var(--muted);
      font-size: 0.92rem;
      display: flex;
      justify-content: space-between;
      gap: 10px;
      flex-wrap: wrap;
    }

    .pill {
      display: inline-block;
      padding: 2px 10px;
      border: 1px solid var(--border);
      border-radius: 999px;
      color: var(--muted);
      font-size: 0.85rem;
      background: #fff;
    }

    @media (max-width: 560px) {
      header h1 { font-size: 1.8rem; }
      article { padding: 20px 18px 14px 18px; }
    }