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: #003366; color: white; padding: 10px; text-align: center; cursor: pointer; }
        .desktop-nav { display: flex; justify-content: space-between; align-items: center; background: #003366; color: white; padding: 15px; }
        .desktop-nav a { color: white; text-decoration: none; margin: 0 10px; }
        .logo { font-size: 24px; font-weight: bold; }
        h1 { color: #003366; border-bottom: 2px solid #FFD700; padding-bottom: 10px; }
        h2 { color: #FF4500; margin-top: 30px; }
        h3 { color: #0066CC; }
        .download-btn, .login-btn { display: inline-block; background: #FF4500; color: white; padding: 10px 20px; margin: 10px 0; text-decoration: none; border-radius: 5px; }
        .download-btn:hover, .login-btn:hover { background: #CC3300; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .game-types { margin-top: 40px; }
        .copyright { margin-top: 50px; font-size: 12px; color: #666; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-nav { display: block; }
            body { padding: 10px; }
        }