body { margin: 0; font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; background-color: #f9fafb; color: #1f2937; line-height: 1.6; }
        h1, h2, h3, p, ul { margin-top: 0; margin-bottom: 1rem; }
        a { text-decoration: none; color: #2563eb; }
        a:hover { text-decoration: underline; }
        strong { font-weight: 700; color: #111827; }