* {
            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: linear-gradient(to bottom, #f8f9fa 0%, #e9ecef 100%);
            min-height: 100vh;
        }

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

        header {
            background: linear-gradient(135deg, #2c5f7c 0%, #1a4059 100%);
            color: #fff;
            padding: 60px 20px;
            text-align: center;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            position: relative;
            overflow: hidden;
        }

        header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><path d="M0 0h100v100H0z" fill="none"/><path d="M50 0L100 50L50 100L0 50z" fill="rgba(255,255,255,0.03)"/></svg>');
            background-size: 100px 100px;
            opacity: 0.3;
        }

        header h1 {
            font-size: 3rem;
            margin: 0;
            font-weight: 700;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            position: relative;
            z-index: 1;
            letter-spacing: -0.5px;
        }

        main {
            background: #fff;
            max-width: 1200px;
            margin: -30px auto 40px;
            padding: 60px 40px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
            border-radius: 8px;
            position: relative;
        }

        article {
            margin-bottom: 50px;
        }

        article h2 {
            color: #2c5f7c;
            font-size: 2rem;
            margin: 40px 0 20px;
            padding-bottom: 12px;
            border-bottom: 3px solid #5a9bb5;
            font-weight: 600;
        }

        article h3 {
            color: #1a4059;
            font-size: 1.5rem;
            margin: 30px 0 15px;
            font-weight: 600;
        }

        article h4 {
            color: #2c5f7c;
            font-size: 1.25rem;
            margin: 25px 0 12px;
            font-weight: 600;
        }

        article p {
            margin-bottom: 20px;
            font-size: 1.05rem;
            color: #555;
            text-align: justify;
        }

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

        article li {
            margin-bottom: 10px;
            color: #555;
        }

        .transition-section {
            background: linear-gradient(to right, #f0f7fa 0%, #e6f2f7 100%);
            padding: 40px;
            margin: 50px -40px;
            border-left: 5px solid #5a9bb5;
            border-radius: 4px;
        }

        .transition-section p {
            font-size: 1.1rem;
            color: #2c5f7c;
            margin-bottom: 15px;
            line-height: 1.8;
        }

        {% if links %}
        .links-section {
            background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);
            padding: 50px 40px;
            margin: 50px -40px -60px;
            border-top: 3px solid #e9ecef;
            border-radius: 0 0 8px 8px;
        }

        .links-section h2 {
            color: #2c5f7c;
            font-size: 2rem;
            margin-bottom: 40px;
            text-align: center;
            font-weight: 600;
        }

        .links-section h3 {
            color: #1a4059;
            font-size: 1.4rem;
            margin: 35px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #5a9bb5;
            font-weight: 600;
        }

        .links-section ul {
            list-style: none;
            margin: 0 0 40px 0;
            padding: 0;
            column-count: 2;
            column-gap: 40px;
        }

        .links-section li {
            margin-bottom: 12px;
            break-inside: avoid;
            padding-left: 25px;
            position: relative;
        }

        .links-section li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: #5a9bb5;
            font-weight: bold;
            font-size: 1.1rem;
        }

        .links-section a {
            color: #2c5f7c;
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 1.05rem;
            display: inline-block;
            padding: 2px 0;
        }

        .links-section a:hover {
            color: #1a4059;
            padding-left: 5px;
        }
        {% endif %}

        footer {
            background: #1a4059;
            color: #fff;
            padding: 30px 20px;
            text-align: center;
            margin-top: 60px;
        }

        footer p {
            margin: 10px 0;
            font-size: 0.95rem;
            opacity: 0.9;
        }

        @media (max-width: 768px) {
            header h1 {
                font-size: 2rem;
            }

            main {
                padding: 40px 25px;
                margin: -20px 15px 30px;
            }

            article h2 {
                font-size: 1.6rem;
            }

            article h3 {
                font-size: 1.3rem;
            }

            article p {
                text-align: left;
                font-size: 1rem;
            }

            .transition-section {
                padding: 25px;
                margin: 30px -25px;
            }

            {% if links %}
            .links-section {
                padding: 30px 25px;
                margin: 30px -25px -40px;
            }

            .links-section ul {
                column-count: 1;
                column-gap: 0;
            }

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

        @media (max-width: 480px) {
            header {
                padding: 40px 15px;
            }

            header h1 {
                font-size: 1.6rem;
            }

            main {
                padding: 30px 20px;
            }

            article h2 {
                font-size: 1.4rem;
            }

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

            {% if links %}
            .links-section {
                padding: 25px 20px;
                margin: 20px -20px -30px;
            }
            {% endif %}
        }