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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }

        header {
            background: linear-gradient(135deg, #1a1a2e 0%, #2d3561 100%);
            color: #fff;
            padding: 2rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .header-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;
            letter-spacing: -0.5px;
        }

        article {
            max-width: 900px;
            margin: 3rem auto;
            padding: 0 20px;
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
            padding: 3rem 2.5rem;
        }

        article h2 {
            font-size: 2rem;
            margin: 2rem 0 1rem;
            color: #2d3561;
            font-weight: 600;
        }

        article h3 {
            font-size: 1.5rem;
            margin: 1.5rem 0 0.8rem;
            color: #2d3561;
            font-weight: 600;
        }

        article h4 {
            font-size: 1.25rem;
            margin: 1.2rem 0 0.6rem;
            color: #2d3561;
            font-weight: 600;
        }

        article p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #444;
            text-align: justify;
        }

        .transition-section {
            max-width: 900px;
            margin: 2rem auto;
            padding: 2rem 2.5rem;
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
        }

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

        .links-section {
            max-width: 1200px;
            margin: 3rem auto 4rem;
            padding: 3rem 2.5rem;
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
        }

        .links-section h2 {
            font-size: 2rem;
            margin-bottom: 2rem;
            color: #2d3561;
            font-weight: 600;
            text-align: center;
        }

        .links-section h3 {
            font-size: 1.4rem;
            margin: 2rem 0 1rem;
            color: #2d3561;
            font-weight: 600;
            border-left: 4px solid #2d3561;
            padding-left: 1rem;
        }

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

        .links-section li {
            margin: 0;
        }

        .links-section a {
            color: #2d3561;
            text-decoration: none;
            font-size: 1rem;
            display: inline-block;
            padding: 0.4rem 0;
            transition: all 0.3s ease;
            border-bottom: 2px solid transparent;
        }

        .links-section a:hover {
            color: #1a1a2e;
            border-bottom-color: #2d3561;
            transform: translateX(5px);
        }

        footer {
            background: linear-gradient(135deg, #1a1a2e 0%, #2d3561 100%);
            color: #fff;
            padding: 2rem 0;
            margin-top: 4rem;
        }

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

        .footer-container h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }

            article {
                padding: 2rem 1.5rem;
                margin: 2rem 20px;
            }

            article h2 {
                font-size: 1.6rem;
            }

            article h3 {
                font-size: 1.3rem;
            }

            article p {
                font-size: 1rem;
            }

            .transition-section {
                padding: 1.5rem;
                margin: 2rem 20px;
            }

            .links-section {
                padding: 2rem 1.5rem;
                margin: 2rem 20px 3rem;
            }

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

            .links-section h3 {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.6rem;
            }

            header {
                padding: 1.5rem 0;
            }

            article {
                padding: 1.5rem 1rem;
            }

            .transition-section {
                padding: 1.2rem 1rem;
            }

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