body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .mobile-nav { display: none; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-nav { display: block; position: fixed; bottom: 0; width: 100%; background: #2c3e50; color: white; padding: 10px; text-align: center; }
            body { padding-bottom: 60px; }
        }
        h1 { color: #c0392b; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; }
        h2 { color: #2980b9; margin-top: 30px; }
        h3 { color: #27ae60; }
        .download-btn, .login-btn { display: inline-block; background: #e74c3c; color: white; padding: 12px 25px; margin: 15px 0; border-radius: 5px; text-decoration: none; font-weight: bold; }
        .game-image { max-width: 100%; height: auto; margin: 20px 0; }
        .tag-cloud { margin: 30px 0; }
        .tag { background: #3498db; color: white; padding: 5px 10px; margin: 5px; display: inline-block; border-radius: 3px; }
        .copyright { margin-top: 50px; padding-top: 20px; border-top: 1px solid #eee; font-size: 0.9em; color: #777; }