* {
            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: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }

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

        header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 2rem 0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 300;
            text-align: center;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        nav {
            text-align: center;
            margin-top: 2rem;
        }

        nav ul {
            list-style: none;
            display: inline-flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: center;
        }

        nav li {
            margin: 0;
        }

        nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 25px;
            transition: all 0.3s ease;
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(10px);
        }

        nav a:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        }

        main {
            padding: 3rem 0;
        }

        article {
            background: white;
            border-radius: 15px;
            padding: 3rem;
            margin-bottom: 3rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.2);
        }

        article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: #555;
            line-height: 1.8;
        }

        article h2, article h3, article h4, article h5, article h6 {
            margin: 2rem 0 1rem 0;
            color: #333;
            font-weight: 600;
        }

        article h2 {
            font-size: 2rem;
            color: #667eea;
            border-bottom: 3px solid #667eea;
            padding-bottom: 0.5rem;
        }

        article h3 {
            font-size: 1.5rem;
        }

        article h4 {
            font-size: 1.3rem;
        }

        .transition-section {
            background: rgba(255,255,255,0.7);
            border-radius: 15px;
            padding: 2rem;
            margin-bottom: 3rem;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.3);
        }

        .transition-section p {
            font-size: 1.1rem;
            color: #666;
            text-align: center;
            margin: 0;
        }

        .links-section {
            background: white;
            border-radius: 15px;
            padding: 3rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.2);
        }

        .links-section h3 {
            font-size: 1.5rem;
            color: #667eea;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e0e6ff;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .links-section li {
            margin: 0;
        }

        .links-section a {
            display: block;
            padding: 1rem 1.5rem;
            color: #555;
            text-decoration: none;
            background: #f8f9ff;
            border-radius: 10px;
            transition: all 0.3s ease;
            border-left: 4px solid #667eea;
            font-weight: 500;
        }

        .links-section a:hover {
            background: #e0e6ff;
            transform: translateX(5px);
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
        }

        footer {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            color: white;
            padding: 2rem 0;
            text-align: center;
            margin-top: 4rem;
        }

        footer p {
            margin: 0;
            opacity: 0.8;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 15px;
            }

            h1 {
                font-size: 2rem;
            }

            nav ul {
                flex-direction: column;
                gap: 1rem;
            }

            article, .links-section {
                padding: 2rem;
            }

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

            nav a {
                display: block;
                margin: 0.25rem 0;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.8rem;
            }

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

            nav ul {
                gap: 0.5rem;
            }
        }