* {
            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: #f5f5f5;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            background-color: #fff;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
        }

        header {
            background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
            color: white;
            padding: 2rem 2rem 1rem;
        }

        h1 {
            font-size: 2.5rem;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: white;
        }

        nav {
            background-color: #004d99;
            padding: 0;
            border-bottom: 3px solid #0066cc;
        }

        nav ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            padding: 0;
        }

        nav ul li {
            margin: 0;
        }

        nav ul li a {
            display: block;
            padding: 1rem 1.5rem;
            color: white;
            text-decoration: none;
            transition: background-color 0.3s ease;
            font-weight: 500;
        }

        nav ul li a:hover {
            background-color: #0066cc;
        }

        main {
            padding: 2rem;
        }

        article {
            margin-bottom: 3rem;
            color: #0052a3;
        }

        article h2 {
            color: #0066cc;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-size: 1.8rem;
            font-weight: 600;
        }

        article h3 {
            color: #0066cc;
            margin-top: 1.5rem;
            margin-bottom: 0.75rem;
            font-size: 1.4rem;
        }

        article p {
            margin-bottom: 1rem;
            line-height: 1.8;
            color: #0052a3;
        }

        article a {
            color: #0066cc;
            text-decoration: underline;
        }

        article a:hover {
            color: #004d99;
        }

        .transition-section {
            background-color: #f0f7ff;
            padding: 2rem;
            margin: 2rem 0;
            border-left: 4px solid #0066cc;
            color: #0052a3;
        }

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

        .links-section {
            background-color: #fafafa;
            padding: 2rem;
            border-top: 3px solid #0066cc;
            margin-top: 3rem;
        }

        .links-section h2 {
            color: #0066cc;
            margin-bottom: 2rem;
            font-size: 2rem;
            text-align: center;
        }

        .links-section h3 {
            color: #004d99;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-size: 1.5rem;
            font-weight: 600;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.75rem;
            margin-bottom: 2rem;
        }

        .links-section ul li {
            background-color: white;
            border-left: 3px solid #0066cc;
            transition: all 0.3s ease;
        }

        .links-section ul li:hover {
            border-left-color: #004d99;
            transform: translateX(5px);
        }

        .links-section ul li a {
            display: block;
            padding: 0.75rem 1rem;
            color: #0052a3;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .links-section ul li a:hover {
            color: #0066cc;
        }

        footer {
            background-color: #004d99;
            color: white;
            padding: 2rem;
            text-align: center;
            margin-top: 3rem;
        }

        footer nav ul {
            justify-content: center;
            flex-wrap: wrap;
            background-color: transparent;
        }

        footer nav ul li {
            margin: 0.25rem;
        }

        footer nav ul li a {
            padding: 0.5rem 1rem;
            font-size: 0.9rem;
        }

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

            header {
                padding: 1.5rem 1rem 0.5rem;
            }

            nav ul {
                flex-direction: column;
            }

            nav ul li a {
                padding: 0.75rem 1rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }

            main {
                padding: 1rem;
            }

            .links-section ul {
                grid-template-columns: 1fr;
            }

            article h2 {
                font-size: 1.5rem;
            }

            .transition-section {
                padding: 1.5rem;
            }

            footer nav ul {
                flex-direction: column;
            }
        }

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

            article h2 {
                font-size: 1.3rem;
            }

            article h3 {
                font-size: 1.1rem;
            }

            .links-section h2 {
                font-size: 1.5rem;
            }

            .links-section h3 {
                font-size: 1.2rem;
            }
        }