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

        body {
            font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }

        header {
            background-color: #002e5b;
            padding: 1.5rem 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            color: #fff;
            font-size: 1.5rem;
            font-weight: 700;
            text-decoration: none;
        }

        nav ul {
            list-style: none;
            display: flex;
            gap: 2rem;
        }

        nav a {
            color: #fff;
            text-decoration: none;
            text-transform: lowercase;
            font-weight: 600;
            transition: color 0.3s;
        }

        nav a:hover {
            color: #ffd700;
        }

        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 3rem 20px;
        }

        h1 {
            font-size: 2.5rem;
            color: #002e5b;
            margin-bottom: 2rem;
            font-weight: 700;
            line-height: 1.2;
        }

        article {
            background: #fff;
            padding: 2.5rem;
            margin-bottom: 2rem;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.08);
        }

        article h2 {
            color: #002e5b;
            font-size: 2rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-weight: 700;
        }

        article h3 {
            color: #004080;
            font-size: 1.5rem;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
            font-weight: 600;
        }

        article h4 {
            color: #005099;
            font-size: 1.2rem;
            margin-top: 1.2rem;
            margin-bottom: 0.6rem;
            font-weight: 600;
        }

        article p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #444;
        }

        .transition-section {
            background: #fff;
            padding: 2.5rem;
            margin-bottom: 2rem;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.08);
        }

        .transition-section p {
            font-size: 1.05rem;
            color: #444;
            margin-bottom: 1.2rem;
        }

        {% if links %}
        .links-section {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            padding: 3rem 2.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.08);
        }

        .links-section h3 {
            color: #002e5b;
            font-size: 1.6rem;
            margin-bottom: 1.2rem;
            font-weight: 700;
        }

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 2rem;
            margin-bottom: 2rem;
        }

        .links-section li {
            margin-bottom: 0.8rem;
            break-inside: avoid;
        }

        .links-section a {
            color: #004080;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
            display: inline-block;
        }

        .links-section a:hover {
            color: #002e5b;
            text-decoration: underline;
        }

        .links-section a:before {
            content: "→ ";
            color: #005099;
        }
        {% endif %}

        footer {
            background-color: #002e5b;
            color: #fff;
            padding: 2rem 0;
            margin-top: 3rem;
        }

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

        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                gap: 1rem;
            }

            nav ul {
                flex-direction: column;
                gap: 0.8rem;
                text-align: center;
            }

            h1 {
                font-size: 2rem;
            }

            article, .transition-section, .links-section {
                padding: 1.5rem;
            }

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

            main {
                padding: 2rem 15px;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.6rem;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.3rem;
            }

            article, .transition-section, .links-section {
                padding: 1.2rem;
            }
        }