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

        :root {
            --primary-color: #2c5282;
            --secondary-color: #4a90c9;
            --accent-color: #e8a838;
            --text-color: #333;
            --light-bg: #f8f9fa;
            --white: #ffffff;
            --border-color: #dfe3e8;
            --hover-color: #1e3a5f;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--light-bg);
        }

        header {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: var(--white);
            padding: 2rem 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--white);
            text-align: center;
        }

        article {
            background: var(--white);
            padding: 3rem;
            margin: 2rem auto;
            max-width: 1200px;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
        }

        article h2 {
            color: var(--primary-color);
            font-size: 1.8rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent-color);
        }

        article h3 {
            color: var(--secondary-color);
            font-size: 1.4rem;
            margin-top: 1.5rem;
            margin-bottom: 0.75rem;
        }

        article h4 {
            color: var(--text-color);
            font-size: 1.2rem;
            margin-top: 1.25rem;
            margin-bottom: 0.5rem;
        }

        article p {
            margin-bottom: 1.25rem;
            font-size: 1.05rem;
            line-height: 1.8;
        }

        article ul, article ol {
            margin-left: 2rem;
            margin-bottom: 1.25rem;
        }

        article li {
            margin-bottom: 0.5rem;
            line-height: 1.7;
        }

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

        .transition-section p {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--text-color);
            margin-bottom: 1rem;
        }

        .links-section {
            background: linear-gradient(to bottom, var(--white) 0%, var(--light-bg) 100%);
            padding: 3rem;
            margin: 2rem auto;
            max-width: 1200px;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
            border-top: 4px solid var(--accent-color);
        }

        .links-section h3 {
            color: var(--primary-color);
            font-size: 1.6rem;
            margin-top: 2rem;
            margin-bottom: 1.25rem;
            padding-left: 0.5rem;
            border-left: 4px solid var(--accent-color);
        }

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

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.75rem 2rem;
            margin-bottom: 2rem;
        }

        .links-section ul li {
            padding: 0;
        }

        .links-section ul li a {
            color: var(--secondary-color);
            text-decoration: none;
            font-size: 1.05rem;
            display: inline-block;
            padding: 0.4rem 0;
            transition: all 0.3s ease;
            position: relative;
        }

        .links-section ul li a::before {
            content: '→';
            margin-right: 0.5rem;
            color: var(--accent-color);
            font-weight: bold;
            transition: margin-right 0.3s ease;
        }

        .links-section ul li a:hover {
            color: var(--hover-color);
            padding-left: 0.5rem;
        }

        .links-section ul li a:hover::before {
            margin-right: 0.75rem;
        }

        footer {
            background: var(--primary-color);
            color: var(--white);
            text-align: center;
            padding: 1.5rem 0;
            margin-top: 3rem;
        }

        footer p {
            font-size: 0.95rem;
            opacity: 0.9;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 1.8rem;
                padding: 0 1rem;
            }

            header {
                padding: 1.5rem 0;
            }

            article {
                padding: 2rem 1.5rem;
                margin: 1.5rem 1rem;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.25rem;
            }

            .transition-section {
                padding: 2rem 1.5rem;
                margin: 1.5rem 1rem;
            }

            .links-section {
                padding: 2rem 1.5rem;
                margin: 1.5rem 1rem;
            }

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

            .links-section h3 {
                font-size: 1.4rem;
            }
        }

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

            article {
                padding: 1.5rem 1rem;
            }

            article h2 {
                font-size: 1.3rem;
            }

            article p {
                font-size: 1rem;
            }

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

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

            .links-section h3 {
                font-size: 1.25rem;
            }

            .links-section ul li a {
                font-size: 1rem;
            }
        }