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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #ffffff;
        }

        .container {
            max-width: 1170px;
            margin: 0 auto;
            padding: 0 20px;
        }

        header {
            background: linear-gradient(135deg, #1a4d7a 0%, #2c5f8d 100%);
            color: #ffffff;
            padding: 80px 20px 60px;
            position: relative;
            overflow: hidden;
        }

        header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.1);
            z-index: 0;
        }

        header .container {
            position: relative;
            z-index: 1;
        }

        h1 {
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.2;
            color: #ffffff;
        }

        article {
            background: #ffffff;
            padding: 60px 20px;
        }

        article .container {
            max-width: 900px;
        }

        article h2 {
            font-size: 2rem;
            color: #1a4d7a;
            margin: 40px 0 20px;
            font-weight: 700;
        }

        article h3 {
            font-size: 1.5rem;
            color: #2c5f8d;
            margin: 30px 0 15px;
            font-weight: 600;
        }

        article h4 {
            font-size: 1.25rem;
            color: #1a4d7a;
            margin: 25px 0 12px;
            font-weight: 600;
        }

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

        article p:first-of-type {
            font-size: 1.15rem;
            color: #555;
        }

        .transition-section {
            background: #f8f9fa;
            padding: 50px 20px;
            border-top: 3px solid #1a4d7a;
            border-bottom: 3px solid #1a4d7a;
        }

        .transition-section .container {
            max-width: 900px;
        }

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

        {% if links %}
        .links-section {
            background: linear-gradient(to bottom, #ffffff 0%, #f0f4f8 100%);
            padding: 60px 20px 80px;
        }

        .links-section h3 {
            font-size: 1.75rem;
            color: #1a4d7a;
            margin-bottom: 25px;
            font-weight: 700;
            padding-bottom: 15px;
            border-bottom: 3px solid #2c5f8d;
        }

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

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

        .links-section li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: #1a4d7a;
            font-weight: bold;
        }

        .links-section a {
            color: #2c5f8d;
            text-decoration: none;
            font-size: 1.05rem;
            transition: color 0.3s ease;
            display: inline-block;
        }

        .links-section a:hover {
            color: #1a4d7a;
            text-decoration: underline;
        }
        {% endif %}

        footer {
            background: #1a4d7a;
            color: #ffffff;
            padding: 30px 20px;
            text-align: center;
            margin-top: auto;
        }

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

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

            header {
                padding: 50px 20px 40px;
            }

            article {
                padding: 40px 20px;
            }

            article h2 {
                font-size: 1.6rem;
            }

            article h3 {
                font-size: 1.3rem;
            }

            article h4 {
                font-size: 1.15rem;
            }

            article p {
                font-size: 1rem;
            }

            .transition-section {
                padding: 40px 20px;
            }

            {% if links %}
            .links-section {
                padding: 40px 20px 60px;
            }

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

            .links-section h3 {
                font-size: 1.5rem;
            }
            {% endif %}
        }

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

            header {
                padding: 40px 15px 30px;
            }

            article {
                padding: 30px 15px;
            }

            .transition-section {
                padding: 30px 15px;
            }

            {% if links %}
            .links-section {
                padding: 30px 15px 50px;
            }
            {% endif %}
        }