* {
            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, #375EA6 0%, #4a7bc8 100%);
            color: white;
            padding: 2rem 1rem;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

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

        .header-content h1 {
            font-size: 2.5rem;
            margin-bottom: 0.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
        }

        .header-subtitle {
            font-size: 1.1rem;
            opacity: 0.95;
            font-weight: 300;
        }

        nav {
            background-color: #2d4a7f;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .nav-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }

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

        nav ul li {
            margin: 0;
        }

        nav ul li a {
            display: block;
            color: white;
            text-decoration: none;
            padding: 1rem 1.2rem;
            transition: background-color 0.3s ease;
            font-size: 0.95rem;
        }

        nav ul li a:hover {
            background-color: #375EA6;
        }

        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
        }

        .main-content {
            background: white;
            padding: 2.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
            margin-bottom: 2rem;
        }

        h1 {
            color: #375EA6;
            font-size: 2.2rem;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid #375EA6;
            padding-bottom: 0.5rem;
        }

        article h2 {
            color: #375EA6;
            font-size: 1.8rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }

        article h3 {
            color: #2d4a7f;
            font-size: 1.4rem;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
        }

        article p {
            margin-bottom: 1rem;
            text-align: justify;
            color: #444;
        }

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

        article li {
            margin-bottom: 0.5rem;
            color: #444;
        }

        article strong {
            color: #2d4a7f;
        }

        .transition-section {
            background: #f9f9f9;
            padding: 2rem;
            border-radius: 8px;
            margin-bottom: 2rem;
            border-left: 4px solid #375EA6;
        }

        .transition-section p {
            color: #555;
            line-height: 1.8;
        }

        .links-section {
            background: white;
            padding: 2.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
            margin-bottom: 2rem;
        }

        .links-section h3 {
            color: #375EA6;
            font-size: 1.5rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e0e0e0;
        }

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

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

        .links-section ul li {
            padding-left: 1.5rem;
            position: relative;
        }

        .links-section ul li:before {
            content: "→";
            position: absolute;
            left: 0;
            color: #375EA6;
            font-weight: bold;
        }

        .links-section ul li a {
            color: #2d4a7f;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .links-section ul li a:hover {
            color: #375EA6;
            text-decoration: underline;
        }

        footer {
            background: linear-gradient(135deg, #2d4a7f 0%, #375EA6 100%);
            color: white;
            padding: 2rem 1rem;
            margin-top: 3rem;
        }

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

        .footer-nav {
            margin-bottom: 1.5rem;
        }

        .footer-nav a {
            color: white;
            text-decoration: none;
            margin: 0 0.8rem;
            font-size: 0.9rem;
            transition: opacity 0.3s ease;
        }

        .footer-nav a:hover {
            opacity: 0.8;
            text-decoration: underline;
        }

        .footer-info {
            font-size: 0.85rem;
            opacity: 0.9;
            margin-top: 1rem;
        }

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

            .header-subtitle {
                font-size: 1rem;
            }

            nav ul {
                flex-direction: column;
            }

            nav ul li a {
                padding: 0.8rem 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }

            .main-content {
                padding: 1.5rem;
            }

            h1 {
                font-size: 1.8rem;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.2rem;
            }

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 0.6rem;
            }

            .footer-nav a {
                display: inline-block;
                margin: 0.3rem 0.5rem;
            }

            .transition-section {
                padding: 1.5rem;
            }

            .links-section {
                padding: 1.5rem;
            }
        }

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

            .main-content {
                padding: 1rem;
            }

            .container {
                margin: 1rem auto;
            }
        }