* {
            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;
        }

        header {
            background: linear-gradient(135deg, #003366 0%, #4291B8 100%);
            color: white;
            padding: 2rem 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

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

        .site-title {
            font-family: Georgia, 'Times New Roman', Times, serif;
            font-size: 2.5rem;
            font-weight: bold;
            font-style: italic;
            margin-bottom: 0.5rem;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
        }

        .header-nav {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
            flex-wrap: wrap;
        }

        .header-nav a {
            color: white;
            text-decoration: none;
            padding: 0.5rem 1.5rem;
            background-color: rgba(255, 255, 255, 0.2);
            border-radius: 4px;
            transition: background-color 0.3s ease;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .header-nav a:hover {
            background-color: rgba(255, 255, 255, 0.3);
        }

        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 20px;
        }

        h1 {
            color: #003366;
            font-size: 2rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #4291B8;
        }

        article {
            background: white;
            padding: 2rem;
            margin-bottom: 2rem;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        article h2,
        article h3 {
            color: #4291B8;
            margin-top: 1.5rem;
            margin-bottom: 1rem;
        }

        article h2 {
            font-size: 1.5rem;
        }

        article h3 {
            font-size: 1.2rem;
        }

        article p {
            margin-bottom: 1rem;
            color: #555;
        }

        article ul,
        article ol {
            margin-left: 2rem;
            margin-bottom: 1rem;
        }

        article li {
            margin-bottom: 0.5rem;
            color: #555;
        }

        article strong {
            color: #003366;
        }

        .transition-section {
            background: white;
            padding: 2rem;
            margin-bottom: 2rem;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .transition-section p {
            color: #555;
            margin-bottom: 1rem;
        }

        .links-section {
            background: #ffffff;
            padding: 2rem;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .links-section h2 {
            color: #003366;
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #4291B8;
        }

        .links-section h3 {
            color: #4291B8;
            font-size: 1.3rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 2rem;
            margin-bottom: 1.5rem;
        }

        .links-section li {
            break-inside: avoid;
            margin-bottom: 0.5rem;
        }

        .links-section a {
            color: #003366;
            text-decoration: none;
            transition: color 0.3s ease;
            display: inline-block;
            padding: 0.25rem 0;
        }

        .links-section a:hover {
            color: #4291B8;
            text-decoration: underline;
        }

        footer {
            background-color: #003366;
            color: white;
            text-align: center;
            padding: 1.5rem 20px;
            margin-top: 3rem;
        }

        @media (max-width: 768px) {
            .site-title {
                font-size: 1.8rem;
            }

            h1 {
                font-size: 1.5rem;
            }

            article,
            .transition-section,
            .links-section {
                padding: 1.5rem;
            }

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

            .header-nav {
                flex-direction: column;
            }

            .header-nav a {
                text-align: center;
            }
        }

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

            article,
            .transition-section,
            .links-section {
                padding: 1rem;
            }
        }