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

        body {
            font-family: Arial, Helvetica, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f5f5f5;
        }

        .header-top {
            background: linear-gradient(135deg, #003366 0%, #004d99 100%);
            padding: 20px 0;
        }

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

        .logo-section {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }

        .main-nav {
            background-color: #fff;
            border-bottom: 3px solid #0066cc;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

        .main-nav ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .main-nav li {
            position: relative;
        }

        .main-nav a {
            display: block;
            padding: 15px 18px;
            color: #003366;
            text-decoration: none;
            font-size: 14px;
            transition: all 0.3s ease;
        }

        .main-nav a:hover {
            background-color: #0066cc;
            color: #fff;
        }

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

        h1 {
            color: #003366;
            font-size: 2.5em;
            margin-bottom: 30px;
            text-align: center;
            padding: 30px 20px;
            background: linear-gradient(135deg, #fff 0%, #e6f2ff 100%);
            border-left: 5px solid #0066cc;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        article {
            background-color: #fff;
            padding: 40px;
            margin-bottom: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        article h2 {
            color: #003366;
            margin: 30px 0 15px 0;
            font-size: 1.8em;
            border-bottom: 2px solid #0066cc;
            padding-bottom: 10px;
        }

        article h3 {
            color: #004d99;
            margin: 25px 0 12px 0;
            font-size: 1.4em;
        }

        article h4 {
            color: #0066cc;
            margin: 20px 0 10px 0;
            font-size: 1.2em;
        }

        article p {
            margin-bottom: 15px;
            text-align: justify;
            line-height: 1.8;
        }

        article strong, article b {
            color: #003366;
        }

        .transition-section {
            background-color: #fff;
            padding: 30px 40px;
            margin-bottom: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            border-left: 4px solid #0066cc;
        }

        .transition-section p {
            line-height: 1.8;
            margin-bottom: 15px;
        }

        .links-section {
            background: linear-gradient(135deg, #fff 0%, #f0f8ff 100%);
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            border: 1px solid #e0e0e0;
        }

        .links-section h2 {
            color: #003366;
            margin-bottom: 25px;
            font-size: 2em;
            text-align: center;
            padding-bottom: 15px;
            border-bottom: 3px solid #0066cc;
        }

        .links-section h3 {
            color: #004d99;
            margin: 30px 0 15px 0;
            font-size: 1.5em;
            padding-left: 15px;
            border-left: 4px solid #0066cc;
        }

        .links-section ul {
            list-style: none;
            columns: 2;
            column-gap: 30px;
            margin-bottom: 20px;
        }

        .links-section li {
            break-inside: avoid;
            margin-bottom: 10px;
            padding-left: 20px;
            position: relative;
        }

        .links-section li:before {
            content: "→";
            position: absolute;
            left: 0;
            color: #0066cc;
            font-weight: bold;
        }

        .links-section a {
            color: #0066cc;
            text-decoration: none;
            transition: all 0.3s ease;
            line-height: 1.8;
        }

        .links-section a:hover {
            color: #003366;
            padding-left: 5px;
        }

        footer {
            background: linear-gradient(135deg, #003366 0%, #004d99 100%);
            color: #fff;
            padding: 30px 0;
            margin-top: 50px;
        }

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

        .footer-nav {
            margin-bottom: 15px;
        }

        .footer-nav a {
            color: #fff;
            text-decoration: none;
            margin: 0 15px;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .footer-nav a:hover {
            color: #66b3ff;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 1.8em;
                padding: 20px 15px;
            }

            .main-nav ul {
                flex-direction: column;
            }

            .main-nav a {
                padding: 12px 15px;
                border-bottom: 1px solid #e0e0e0;
            }

            article {
                padding: 25px 20px;
            }

            article h2 {
                font-size: 1.5em;
            }

            .links-section {
                padding: 25px 20px;
            }

            .links-section ul {
                columns: 1;
            }

            .transition-section {
                padding: 20px 25px;
            }

            .footer-nav a {
                display: block;
                margin: 10px 0;
            }
        }

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

            article h2 {
                font-size: 1.3em;
            }

            article h3 {
                font-size: 1.2em;
            }
        }