body { font-family: 'Segoe UI', 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; top: 0; width: 100%; background: #FF9900; padding: 10px; z-index: 100; }
            .nav-toggle { background: #FF6600; color: white; border: none; padding: 10px; }
            .nav-content { display: none; }
        }
        h1 { color: #FF6600; border-bottom: 3px solid #FF9900; padding-bottom: 10px; }
        h2 { color: #FF4500; margin-top: 30px; }
        h3 { color: #E67E22; }
        .logo { font-size: 28px; font-weight: bold; color: #FF4500; text-shadow: 2px 2px 4px rgba(0,0,0,0.1); }
        .download-btn { display: inline-block; background: #4CAF50; color: white; padding: 12px 24px; margin: 15px 0; border-radius: 5px; text-decoration: none; }
        .login-btn { display: inline-block; background: #2196F3; color: white; padding: 12px 24px; margin: 15px 0; border-radius: 5px; text-decoration: none; }
        .game-image { max-width: 100%; height: auto; margin: 20px 0; }
        .tag { background: #f1f1f1; padding: 5px 10px; margin: 5px; border-radius: 3px; display: inline-block; }
        .copyright { margin-top: 50px; font-size: 14px; color: #777; }