* {
            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, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }

        header {
            background: rgba(0, 0, 0, 0.8);
            padding: 1.5rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }

        nav {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: #B45AD3;
            text-decoration: none;
            letter-spacing: 1px;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            color: #fff;
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.3s ease;
            position: relative;
        }

        .nav-links a:hover {
            color: #DC7DFF;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: #DC7DFF;
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        main {
            max-width: 1200px;
            margin: 3rem auto;
            padding: 0 2rem;
        }

        h1 {
            font-size: 3rem;
            color: #fff;
            margin-bottom: 2rem;
            text-align: center;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            line-height: 1.2;
        }

        article {
            background: #fff;
            padding: 3rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            margin-bottom: 3rem;
        }

        article h2 {
            color: #B245BF;
            font-size: 2rem;
            margin: 2rem 0 1rem;
        }

        article h3 {
            color: #764ba2;
            font-size: 1.5rem;
            margin: 1.5rem 0 1rem;
        }

        article p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #555;
            text-align: justify;
        }

        article ul, article ol {
            margin: 1rem 0 1rem 2rem;
        }

        article li {
            margin-bottom: 0.5rem;
            color: #555;
        }

        .transition-section {
            background: rgba(255, 255, 255, 0.95);
            padding: 2.5rem;
            border-radius: 15px;
            margin-bottom: 3rem;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
        }

        .transition-section p {
            font-size: 1.1rem;
            color: #444;
            line-height: 1.8;
        }

        .links-section {
            background: #fff;
            padding: 3rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .links-section h3 {
            color: #B245BF;
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #DC7DFF;
        }

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 3rem;
            margin-bottom: 2.5rem;
        }

        .links-section li {
            margin-bottom: 0.8rem;
            break-inside: avoid;
        }

        .links-section a {
            color: #667eea;
            text-decoration: none;
            font-size: 1rem;
            transition: all 0.3s ease;
            display: inline-block;
            position: relative;
            padding-left: 1.2rem;
        }

        .links-section a::before {
            content: '→';
            position: absolute;
            left: 0;
            transition: transform 0.3s ease;
        }

        .links-section a:hover {
            color: #B245BF;
            transform: translateX(5px);
        }

        .links-section a:hover::before {
            transform: translateX(-3px);
        }

        footer {
            background: rgba(0, 0, 0, 0.9);
            color: #fff;
            padding: 2rem 0;
            margin-top: 4rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            text-align: center;
        }

        .footer-content p {
            font-size: 0.9rem;
            color: #ccc;
        }

        @media (max-width: 768px) {
            .nav-links {
                gap: 1rem;
                flex-wrap: wrap;
                justify-content: center;
            }

            .nav-links a {
                font-size: 0.85rem;
            }

            h1 {
                font-size: 2rem;
            }

            article {
                padding: 2rem 1.5rem;
            }

            article h2 {
                font-size: 1.6rem;
            }

            article h3 {
                font-size: 1.3rem;
            }

            .links-section ul {
                column-count: 1;
            }

            .transition-section {
                padding: 1.5rem;
            }

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

            main {
                margin: 2rem auto;
                padding: 0 1rem;
            }

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

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

            article {
                padding: 1.5rem 1rem;
            }

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