    <style>
       :root {
            --primary: #1a73e8;
            --text: #1f1f1f;
            --gray: #5f6368;
            --light-bg: #f8fafc;
            --highlight: #e3f2fd;
        }

        body {
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
            line-height: 1.6;
            color: var(--text);
            background: #fff;
            margin: 0 auto;
            padding: 2rem 1.5rem;
        }

        h1 {
            font-size: 2.4rem;
            font-weight: 700;
            margin: 0 0 1.5rem;
            color: #c62828;           /* red for emphasis – matches original */
        }

        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 2.5rem 0 1rem;
            color: var(--text);
        }

        p {
            margin: 0 0 1.25rem;
            font-size: 1.1rem;
        }

        .highlight {
            background-color: var(--highlight);
            padding: 0.15em 0.35em;
            border-radius: 4px;
            font-weight: 600;
        }

        .note {
            font-style: italic;
            color: #555;
            margin: 2rem 0;
            padding-left: 1.2rem;
            border-left: 3px solid #aaa;
        }

        ul {
            list-style: none;
            padding-left: 0;
            margin: 1.5rem 0;
        }

        ul li {
            margin: 0.9rem 0;
            position: relative;
            padding-left: 2.2rem;
            font-size: 1.1rem;
        }

        ul li strong {
            color: var(--text);
        }

        ul li::before {
            content: "•";
            position: absolute;
            left: 0;
            color: var(--primary);
            font-size: 1.6rem;
            line-height: 1;
        }

        .references {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #ddd;
            font-size: 0.95rem;
            color: #444;
        }

        .references ol {
            padding-left: 1.8rem;
            margin: 1rem 0 0;
        }

        .references a {
            color: var(--primary);
            text-decoration: none;
        }

        .references a:hover,
        .references a:focus {
            text-decoration: underline;
        }

/*        @media (max-width: 600px) {
            body {
                padding: 1.5rem 1rem;
            }
            h1 {
                font-size: 2rem;
            }
        }
*/
    </style>
