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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #F2F3F5;
            color: #333;
            line-height: 1.6;
        }

        header {
            background-color: #ffffff;
            border-bottom: 1px solid #e0e0e0;
        }

        .header-container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 15px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo {
            font-size: 24px;
            font-weight: bold;
            color: #2c5282;
            text-decoration: none;
            padding: 10px 0;
        }

        nav {
            background-color: #2c5282;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

        .nav-container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 20px;
        }

        nav ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
        }

        nav ul li {
            position: relative;
        }

        nav ul li a {
            display: block;
            padding: 15px 20px;
            color: #ffffff;
            text-decoration: none;
            transition: background-color 0.3s ease;
            font-size: 14px;
        }

        nav ul li a:hover,
        nav ul li a.active {
            background-color: #1a3a5c;
        }

        .main-container {
            max-width: 1000px;
            margin: 30px auto;
            padding: 0 20px;
        }

        h1 {
            color: #2c5282;
            font-size: 32px;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 3px solid #d5dbe2;
        }

        article {
            background-color: #ffffff;
            padding: 30px;
            margin-bottom: 30px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }

        article h2 {
            color: #2c5282;
            font-size: 24px;
            margin-top: 25px;
            margin-bottom: 15px;
        }

        article h3 {
            color: #2c5282;
            font-size: 20px;
            margin-top: 20px;
            margin-bottom: 12px;
        }

        article p {
            margin-bottom: 15px;
            color: #555;
            font-size: 15px;
        }

        article a {
            color: #2c5282;
            text-decoration: none;
            border-bottom: 1px solid #2c5282;
        }

        article a:hover {
            color: #1a3a5c;
            border-bottom-color: #1a3a5c;
        }

        .transition-section {
            background-color: #ffffff;
            padding: 30px;
            margin-bottom: 30px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }

        .transition-section p {
            color: #555;
            font-size: 15px;
            margin-bottom: 15px;
        }

        {% if links %}
        .links-section {
            background-color: #ffffff;
            padding: 30px;
            margin-bottom: 30px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }

        .links-section h3 {
            color: #2c5282;
            font-size: 20px;
            margin-top: 20px;
            margin-bottom: 15px;
        }

        .links-section h3:first-child {
            margin-top: 0;
        }

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 30px;
            margin-bottom: 25px;
        }

        .links-section ul li {
            break-inside: avoid;
            margin-bottom: 10px;
        }

        .links-section ul li a {
            color: #2c5282;
            text-decoration: none;
            font-size: 15px;
            display: inline-block;
            padding: 5px 0;
            transition: color 0.3s ease;
        }

        .links-section ul li a:hover {
            color: #1a3a5c;
            text-decoration: underline;
        }
        {% endif %}

        footer {
            background-color: #d5dbe2;
            padding: 40px 20px;
            margin-top: 40px;
        }

        .footer-container {
            max-width: 1000px;
            margin: 0 auto;
            text-align: center;
            color: #666;
            font-size: 13px;
        }

        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }

            nav ul {
                flex-direction: column;
            }

            nav ul li a {
                padding: 12px 15px;
            }

            h1 {
                font-size: 26px;
            }

            article {
                padding: 20px;
            }

            article h2 {
                font-size: 22px;
            }

            article h3 {
                font-size: 18px;
            }

            .transition-section {
                padding: 20px;
            }

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

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

        @media (max-width: 480px) {
            h1 {
                font-size: 22px;
            }

            article h2 {
                font-size: 20px;
            }

            article h3 {
                font-size: 17px;
            }

            article p,
            .transition-section p,
            .links-section ul li a {
                font-size: 14px;
            }
        }