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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }

        header {
            background: linear-gradient(135deg, #4283b7 0%, #5798d0 100%);
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: white;
            text-decoration: none;
        }

        nav {
            background-color: #5798d0;
            border-bottom: 3px solid #4283b7;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        nav ul {
            list-style: none;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
        }

        nav li {
            position: relative;
        }

        nav a {
            display: block;
            padding: 15px 20px;
            color: white;
            text-decoration: none;
            transition: background-color 0.3s ease;
        }

        nav a:hover {
            background-color: #4283b7;
        }

        nav ul ul {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            background-color: #5798d0;
            min-width: 200px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
            z-index: 1000;
        }

        nav li:hover > ul {
            display: block;
        }

        nav ul ul li {
            width: 100%;
        }

        nav ul ul a {
            padding: 12px 20px;
        }

        nav ul ul a:hover {
            background-color: #B3D9FF;
            color: #004D99;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
        }

        .page-title {
            background: white;
            padding: 30px;
            margin-bottom: 30px;
            border-left: 5px solid #5798d0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            border-radius: 4px;
        }

        h1 {
            color: #2c3e50;
            font-size: 2.2rem;
            font-weight: 600;
            line-height: 1.3;
        }

        article {
            background: white;
            padding: 40px;
            margin-bottom: 30px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            border-radius: 4px;
        }

        article h2 {
            color: #4283b7;
            font-size: 1.8rem;
            margin-top: 30px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e9ecef;
        }

        article h3 {
            color: #5798d0;
            font-size: 1.4rem;
            margin-top: 25px;
            margin-bottom: 12px;
        }

        article h4 {
            color: #666;
            font-size: 1.2rem;
            margin-top: 20px;
            margin-bottom: 10px;
        }

        article p {
            margin-bottom: 18px;
            text-align: justify;
            color: #555;
            font-size: 1.05rem;
        }

        article strong {
            color: #2c3e50;
        }

        .transition-section {
            background: #f1f8ff;
            padding: 30px;
            margin-bottom: 30px;
            border-radius: 4px;
            border-left: 4px solid #5798d0;
        }

        .transition-section p {
            color: #555;
            font-size: 1.05rem;
            line-height: 1.7;
        }

        {% if links %}
        .links-section {
            background: white;
            padding: 40px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            border-radius: 4px;
            margin-bottom: 30px;
        }

        .links-section h3 {
            color: #4283b7;
            font-size: 1.5rem;
            margin-top: 25px;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 2px solid #e9ecef;
        }

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

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px 30px;
            margin-bottom: 25px;
        }

        .links-section li {
            padding: 0;
        }

        .links-section a {
            color: #5798d0;
            text-decoration: none;
            padding: 8px 0;
            display: inline-block;
            transition: all 0.3s ease;
            position: relative;
        }

        .links-section a:hover {
            color: #4283b7;
            padding-left: 8px;
        }

        .links-section a::before {
            content: "→";
            margin-right: 8px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .links-section a:hover::before {
            opacity: 1;
        }
        {% endif %}

        footer {
            background: #2c3e50;
            color: white;
            padding: 30px 0;
            margin-top: 50px;
        }

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

        .footer-content p {
            margin: 5px 0;
            font-size: 0.95rem;
        }

        @media (max-width: 768px) {
            nav ul {
                flex-direction: column;
            }

            nav ul ul {
                position: static;
                display: none;
                box-shadow: none;
            }

            nav li:hover > ul {
                display: block;
            }

            nav ul ul a {
                padding-left: 40px;
                background-color: #4283b7;
            }

            h1 {
                font-size: 1.8rem;
            }

            article {
                padding: 25px;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.3rem;
            }

            {% if links %}
            .links-section ul {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .links-section {
                padding: 25px;
            }
            {% endif %}

            .page-title {
                padding: 20px;
            }

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

        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }

            article {
                padding: 20px;
            }

            article p {
                font-size: 1rem;
            }
        }