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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f5f5f5;
        }

        header {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            color: #fff;
            padding: 2rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

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

        h1 {
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 0.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
        }

        article {
            background: #fff;
            padding: 3rem;
            margin: 2rem auto;
            max-width: 1200px;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }

        article h2 {
            color: #1e3c72;
            font-size: 1.8rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #2a5298;
        }

        article h3 {
            color: #2a5298;
            font-size: 1.4rem;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
        }

        article h4 {
            color: #333;
            font-size: 1.2rem;
            margin-top: 1.2rem;
            margin-bottom: 0.6rem;
        }

        article p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            text-align: justify;
        }

        .transition-section {
            background: #fff;
            padding: 2.5rem 3rem;
            margin: 2rem auto;
            max-width: 1200px;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            border-left: 5px solid #2a5298;
        }

        .transition-section p {
            font-size: 1.05rem;
            margin-bottom: 1rem;
            color: #444;
        }

        .links-section {
            background: #fff;
            padding: 3rem;
            margin: 2rem auto;
            max-width: 1200px;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }

        .links-section h3 {
            color: #1e3c72;
            font-size: 1.5rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-left: 15px;
            border-left: 4px solid #2a5298;
        }

        .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: 0;
        }

        .links-section ul li a {
            color: #2a5298;
            text-decoration: none;
            font-size: 1rem;
            transition: all 0.3s ease;
            display: inline-block;
            padding: 0.3rem 0;
            position: relative;
        }

        .links-section ul li a:before {
            content: "→";
            margin-right: 8px;
            transition: margin-right 0.3s ease;
        }

        .links-section ul li a:hover {
            color: #1e3c72;
            padding-left: 5px;
        }

        .links-section ul li a:hover:before {
            margin-right: 12px;
        }

        footer {
            background: #1e3c72;
            color: #fff;
            text-align: center;
            padding: 2rem 0;
            margin-top: 3rem;
        }

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

            article {
                padding: 1.5rem;
                margin: 1rem;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.2rem;
            }

            .transition-section {
                padding: 1.5rem;
                margin: 1rem;
            }

            .links-section {
                padding: 1.5rem;
                margin: 1rem;
            }

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

            .links-section h3 {
                font-size: 1.3rem;
            }
        }

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

            article {
                padding: 1rem;
            }

            article p {
                font-size: 1rem;
                text-align: left;
            }

            .transition-section {
                padding: 1rem;
            }

            .links-section {
                padding: 1rem;
            }
        }