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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: #00207C;
            background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
            line-height: 1.6;
            min-height: 100vh;
        }

        header {
            background: linear-gradient(135deg, #00207C 0%, #003da5 100%);
            color: white;
            padding: 2rem 1rem;
            box-shadow: 0 4px 6px rgba(0, 32, 124, 0.1);
        }

        h1 {
            font-size: 2.5rem;
            text-align: center;
            font-weight: 300;
            letter-spacing: 1px;
            margin-bottom: 0.5rem;
        }

        nav {
            background: white;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

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

        nav li {
            margin: 0;
        }

        nav a {
            display: block;
            padding: 1rem 1.5rem;
            color: #00207C;
            text-decoration: none;
            font-weight: 500;
            transition: background-color 0.3s, color 0.3s;
            border-bottom: 3px solid transparent;
        }

        nav a:hover {
            background-color: #00207C;
            color: white;
            border-bottom-color: #003da5;
        }

        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 3rem 1.5rem;
        }

        article {
            background: white;
            padding: 2.5rem;
            margin-bottom: 2rem;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 32, 124, 0.08);
        }

        article h2 {
            color: #00207C;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-size: 1.8rem;
            border-left: 4px solid #00207C;
            padding-left: 1rem;
        }

        article h2:first-child {
            margin-top: 0;
        }

        article h3 {
            color: #003da5;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
            font-size: 1.4rem;
        }

        article p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #333;
        }

        .transition-section {
            background: white;
            padding: 2rem;
            margin-bottom: 2rem;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 32, 124, 0.08);
        }

        .transition-section p {
            font-size: 1.05rem;
            color: #333;
            margin-bottom: 1rem;
        }

        .links-section {
            background: white;
            padding: 2.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 32, 124, 0.08);
        }

        .links-section h3 {
            color: #00207C;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-size: 1.5rem;
            border-bottom: 2px solid #e8ecf1;
            padding-bottom: 0.5rem;
        }

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

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 0.8rem 2rem;
            margin-bottom: 2rem;
        }

        .links-section li {
            padding: 0.3rem 0;
        }

        .links-section a {
            color: #00207C;
            text-decoration: none;
            transition: color 0.3s, padding-left 0.3s;
            display: inline-block;
            position: relative;
            padding-left: 1.2rem;
        }

        .links-section a:before {
            content: "→";
            position: absolute;
            left: 0;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .links-section a:hover {
            color: #003da5;
            padding-left: 1.5rem;
        }

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

        footer {
            background: #00207C;
            color: white;
            text-align: center;
            padding: 2rem 1rem;
            margin-top: 3rem;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 1.8rem;
            }

            nav ul {
                flex-direction: column;
            }

            nav a {
                padding: 0.8rem 1rem;
                border-bottom: 1px solid #e8ecf1;
            }

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

            main {
                padding: 1.5rem 1rem;
            }

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 0.5rem;
            }
        }

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

            article h2 {
                font-size: 1.4rem;
            }

            article h3 {
                font-size: 1.2rem;
            }

            nav a {
                font-size: 0.95rem;
            }
        }