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; text-align: center; margin: 10px 0; }
            .nav-toggle { background: #FF9900; color: white; border: none; padding: 10px 20px; cursor: pointer; }
        }
        nav { background: #FF9900; padding: 15px; margin-bottom: 30px; }
        nav a { color: white; text-decoration: none; margin: 0 15px; font-weight: bold; }
        .logo { font-size: 24px; font-weight: 900; text-transform: uppercase; }
        h1 { color: #FF6600; border-bottom: 3px solid #FF9900; padding-bottom: 10px; }
        h2 { color: #FF6600; margin-top: 30px; }
        h3 { color: #FF8C00; }
        .download-btn, .login-btn { background: #4CAF50; color: white; padding: 12px 25px; text-decoration: none; display: inline-block; margin: 15px 0; border-radius: 5px; }
        .login-btn { background: #2196F3; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .tags { margin: 20px 0; }
        .tags a { background: #f0f0f0; padding: 5px 10px; margin: 0 5px; text-decoration: none; border-radius: 3px; }
        footer { margin-top: 50px; padding: 20px; background: #f5f5f5; }
        .copyright { text-align: center; margin-top: 20px; font-size: 14px; }