body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 2.5em; font-weight: bold; color: #FF6B35; text-align: center; margin: 20px 0; }
        nav { background: #FFD700; padding: 10px; text-align: center; }
        nav a { margin: 0 15px; text-decoration: none; color: #333; font-weight: bold; }
        .mobile-nav { display: none; }
        h1 { color: #FF6B35; border-bottom: 3px solid #FFD700; padding-bottom: 10px; }
        h2 { color: #008080; margin-top: 30px; }
        h3 { color: #FF8C00; }
        .download-btn, .login-btn { background: #4CAF50; color: white; padding: 12px 25px; margin: 15px 0; border: none; border-radius: 5px; font-size: 18px; cursor: pointer; }
        .download-btn:hover, .login-btn:hover { background: #45a049; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .tag { background: #e0e0e0; padding: 5px 10px; border-radius: 3px; margin: 5px; display: inline-block; }
        footer { background: #333; color: white; padding: 20px; text-align: center; margin-top: 30px; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-nav { display: block; text-align: center; margin: 15px 0; }
            .logo { font-size: 2em; }
        }