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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 40px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
        }

        article {
            background: white;
            margin: 40px auto;
            padding: 50px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            max-width: 900px;
        }

        article h2 {
            color: #667eea;
            font-size: 1.9rem;
            margin: 35px 0 20px 0;
            padding-bottom: 12px;
            border-bottom: 3px solid #f0f0f0;
        }

        article h3 {
            color: #764ba2;
            font-size: 1.5rem;
            margin: 28px 0 15px 0;
        }

        article h4 {
            color: #555;
            font-size: 1.3rem;
            margin: 22px 0 12px 0;
        }

        article p {
            margin-bottom: 20px;
            font-size: 1.05rem;
            color: #444;
            text-align: justify;
        }

        article ul, article ol {
            margin: 20px 0 20px 30px;
        }

        article li {
            margin-bottom: 10px;
            font-size: 1.05rem;
        }

        article strong {
            color: #667eea;
            font-weight: 600;
        }

        .transition-section {
            background: white;
            margin: 40px auto;
            padding: 40px 50px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            max-width: 900px;
        }

        .transition-section p {
            font-size: 1.05rem;
            color: #444;
            margin-bottom: 20px;
            line-height: 1.7;
        }

        {% if links %}
        .links-section {
            background: white;
            margin: 40px auto;
            padding: 50px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            max-width: 900px;
        }

        .links-section h2 {
            color: #667eea;
            font-size: 2rem;
            margin-bottom: 30px;
            text-align: center;
        }

        .links-section h3 {
            color: #764ba2;
            font-size: 1.4rem;
            margin: 35px 0 18px 0;
            padding-bottom: 10px;
            border-bottom: 2px solid #f0f0f0;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px 30px;
            margin: 0 0 30px 0;
        }

        .links-section li {
            padding: 0;
        }

        .links-section a {
            color: #667eea;
            text-decoration: none;
            font-size: 1.05rem;
            transition: all 0.3s ease;
            display: inline-block;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }

        .links-section a:hover {
            color: #764ba2;
            border-bottom-color: #764ba2;
            transform: translateX(5px);
        }
        {% endif %}

        footer {
            background: #2c3e50;
            color: #ecf0f1;
            text-align: center;
            padding: 30px 20px;
            margin-top: 60px;
        }

        footer p {
            font-size: 0.95rem;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 1.8rem;
            }

            article, .transition-section, .links-section {
                padding: 30px 25px;
                margin: 20px auto;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.3rem;
            }

            article p, article li, .transition-section p {
                font-size: 1rem;
                text-align: left;
            }

            {% if links %}
            .links-section ul {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .links-section h2 {
                font-size: 1.6rem;
            }

            .links-section h3 {
                font-size: 1.2rem;
            }
            {% endif %}

            header {
                padding: 30px 0;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }

            article, .transition-section, .links-section {
                padding: 20px 15px;
            }

            article h2 {
                font-size: 1.3rem;
            }

            article h3 {
                font-size: 1.15rem;
            }
        }