body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .mobile-nav { display: none; background: #ff9900; padding: 10px; text-align: center; }
        .desktop-nav { display: block; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-nav { display: block; }
        }
        h1 { color: #ff6600; border-bottom: 2px solid #ff9900; padding-bottom: 10px; }
        h2 { color: #3366cc; margin-top: 30px; }
        h3 { color: #663399; }
        .download-btn { background: #4CAF50; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; display: inline-block; margin: 15px 0; }
        .login-btn { background: #2196F3; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; display: inline-block; margin: 15px 0; }
        .game-img { width: 100%; max-width: 600px; margin: 20px 0; }
        .tag { background: #f0f0f0; padding: 5px 10px; margin: 5px; border-radius: 3px; display: inline-block; }
        .copyright { margin-top: 50px; font-size: 0.9em; color: #666; }