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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
            color: #2056a3;
            line-height: 1.6;
            background: #ffffff;
        }

        header {
            background: #ffffff;
            border-bottom: 3px solid #49bad6;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem 2rem;
        }

        nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 2rem;
            align-items: center;
            justify-content: center;
        }

        nav a {
            color: #2056a3;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
            font-size: 0.95rem;
        }

        nav a:hover {
            color: #E0777D;
        }

        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 3rem 2rem;
        }

        h1 {
            color: #2056a3;
            font-size: 2.5rem;
            font-weight: bold;
            margin-bottom: 2rem;
            line-height: 1.2;
            border-bottom: 4px solid #49bad6;
            padding-bottom: 1rem;
        }

        article {
            background: #ffffff;
            padding: 2rem 0;
        }

        article h2 {
            color: #49bad6;
            font-weight: bold;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-size: 1.8rem;
        }

        article h3 {
            color: #49bad6;
            font-weight: bold;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
            font-size: 1.4rem;
        }

        article h4 {
            color: #49bad6;
            font-weight: bold;
            margin-top: 1.2rem;
            margin-bottom: 0.6rem;
            font-size: 1.2rem;
        }

        article h5 {
            color: #49bad6;
            font-weight: bold;
            margin-top: 1rem;
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }

        article p {
            margin-bottom: 1.2rem;
            font-size: 1.15rem;
            line-height: 1.8;
        }

        article ul, article ol {
            margin-left: 2rem;
            margin-bottom: 1.2rem;
        }

        article ul {
            list-style: none;
        }

        article ul li {
            position: relative;
            padding-left: 1.5rem;
            margin-bottom: 0.5rem;
            font-size: 1.15rem;
        }

        article ul li::before {
            content: "•";
            color: #49bad6;
            font-size: 2rem;
            position: absolute;
            left: 0;
            top: -0.3rem;
        }

        article ol {
            counter-reset: item;
        }

        article ol li {
            display: block;
            margin-bottom: 0.5rem;
            font-size: 1.15rem;
        }

        article ol li::before {
            content: counter(item) ". ";
            counter-increment: item;
            color: #49bad6;
            font-weight: bold;
        }

        article a {
            color: #E0777D;
            text-decoration: none;
            transition: opacity 0.3s ease;
        }

        article a:hover {
            opacity: 0.8;
        }

        .transition-section {
            margin: 3rem 0;
            padding: 2rem;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            border-radius: 8px;
            border-left: 5px solid #49bad6;
        }

        .transition-section p {
            font-size: 1.15rem;
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .transition-section p:last-child {
            margin-bottom: 0;
        }

        {% if links %}
        .links-section {
            background: #f8f9fa;
            padding: 3rem 2rem;
            border-radius: 12px;
            margin-top: 3rem;
            border: 2px solid #49bad6;
        }

        .links-section h3 {
            color: #2056a3;
            font-weight: bold;
            margin-bottom: 1.5rem;
            font-size: 1.6rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #49bad6;
        }

        .links-section ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.8rem 2rem;
        }

        .links-section ul li {
            padding: 0;
            margin: 0;
        }

        .links-section ul li::before {
            display: none;
        }

        .links-section a {
            color: #E0777D;
            text-decoration: none;
            font-size: 1.05rem;
            transition: all 0.3s ease;
            display: inline-block;
            padding: 0.3rem 0;
            position: relative;
        }

        .links-section a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: #E0777D;
            transition: width 0.3s ease;
        }

        .links-section a:hover::after {
            width: 100%;
        }

        .links-section a:hover {
            color: #2056a3;
        }
        {% endif %}

        footer {
            background: #2056a3;
            color: #ffffff;
            text-align: center;
            padding: 2rem;
            margin-top: 4rem;
        }

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

        @media (max-width: 768px) {
            .header-container {
                padding: 1rem;
            }

            nav {
                flex-direction: column;
                gap: 0.8rem;
            }

            main {
                padding: 2rem 1rem;
            }

            h1 {
                font-size: 2rem;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.3rem;
            }

            article p, article ul li, article ol li {
                font-size: 1rem;
            }

            {% if links %}
            .links-section ul {
                grid-template-columns: 1fr;
                gap: 0.6rem;
            }

            .links-section {
                padding: 2rem 1rem;
            }
            {% endif %}

            .transition-section {
                padding: 1.5rem;
            }
        }

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

            article h2 {
                font-size: 1.3rem;
            }

            nav a {
                font-size: 0.9rem;
            }
        }