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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: rgb(101, 101, 101);
            color: #333;
            line-height: 1.6;
            padding: 10px;
        }

        .container {
            max-width: 900px;
            margin: 0 auto;
            background: rgb(255, 255, 255);
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
        }

        header {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 30px 40px;
            border-bottom: 4px solid #656565;
        }

        h1 {
            font-size: 2.2em;
            color: #2c3e50;
            margin-bottom: 10px;
            font-weight: 600;
            line-height: 1.2;
        }

        .subtitle {
            font-size: 1.1em;
            color: #666;
            font-weight: 400;
        }

        article {
            padding: 40px;
            background: #fff;
        }

        article h2 {
            color: #2c3e50;
            font-size: 1.8em;
            margin-top: 30px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e9ecef;
        }

        article h2:first-child {
            margin-top: 0;
        }

        article h3 {
            color: #34495e;
            font-size: 1.4em;
            margin-top: 25px;
            margin-bottom: 12px;
        }

        article h4 {
            color: #495057;
            font-size: 1.2em;
            margin-top: 20px;
            margin-bottom: 10px;
        }

        article p {
            margin-bottom: 15px;
            color: #444;
            font-size: 1.05em;
            text-align: justify;
        }

        article ul, article ol {
            margin-left: 25px;
            margin-bottom: 15px;
        }

        article li {
            margin-bottom: 8px;
            color: #444;
        }

        .transition-section {
            padding: 30px 40px;
            background: #f8f9fa;
            border-top: 1px solid #dee2e6;
            border-bottom: 1px solid #dee2e6;
        }

        .transition-section p {
            color: #555;
            font-size: 1.05em;
            margin-bottom: 12px;
            line-height: 1.7;
        }

        {% if links %}
        .links-section {
            padding: 40px;
            background: #ffffff;
        }

        .links-section h3 {
            color: #2c3e50;
            font-size: 1.5em;
            margin-top: 30px;
            margin-bottom: 18px;
            padding-bottom: 8px;
            border-bottom: 2px solid #e9ecef;
        }

        .links-section h3:first-child {
            margin-top: 0;
        }

        .links-section ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px 25px;
            margin-bottom: 25px;
        }

        .links-section li {
            margin: 0;
        }

        .links-section a {
            color: #0066cc;
            text-decoration: none;
            font-size: 1.02em;
            display: block;
            padding: 8px 0;
            transition: color 0.2s ease, padding-left 0.2s ease;
            border-left: 3px solid transparent;
            padding-left: 10px;
        }

        .links-section a:hover {
            color: #004499;
            padding-left: 15px;
            border-left-color: #0066cc;
        }

        .links-section a:visited {
            color: #551a8b;
        }

        .links-section a:visited:hover {
            color: #3d1361;
        }
        {% endif %}

        footer {
            padding: 25px 40px;
            background: #2c3e50;
            color: #ecf0f1;
            text-align: center;
            font-size: 0.95em;
        }

        @media (max-width: 768px) {
            body {
                padding: 5px;
            }

            header {
                padding: 20px 25px;
            }

            h1 {
                font-size: 1.6em;
            }

            .subtitle {
                font-size: 1em;
            }

            article {
                padding: 25px;
            }

            article h2 {
                font-size: 1.5em;
            }

            article h3 {
                font-size: 1.25em;
            }

            article h4 {
                font-size: 1.1em;
            }

            article p, article li {
                font-size: 1em;
                text-align: left;
            }

            .transition-section {
                padding: 20px 25px;
            }

            {% if links %}
            .links-section {
                padding: 25px;
            }

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .links-section h3 {
                font-size: 1.3em;
            }
            {% endif %}

            footer {
                padding: 20px 25px;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.4em;
            }

            .subtitle {
                font-size: 0.95em;
            }

            article {
                padding: 20px;
            }

            article h2 {
                font-size: 1.3em;
            }

            {% if links %}
            .links-section {
                padding: 20px;
            }
            {% endif %}
        }