body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #ff6b35; border-bottom: 3px solid #ff6b35; padding-bottom: 10px; }
        h2 { color: #0077b6; margin-top: 30px; }
        h3 { color: #00b4d8; }
        .download-btn { background: #4caf50; color: white; padding: 12px 24px; border-radius: 5px; text-decoration: none; display: inline-block; margin: 15px 0; }
        .login-btn { background: #2196f3; color: white; padding: 12px 24px; border-radius: 5px; text-decoration: none; display: inline-block; margin: 15px 0; }
        .mobile-nav { display: none; background: #f8f9fa; padding: 10px; text-align: center; }
        .desktop-nav { display: flex; justify-content: space-between; align-items: center; background: #f8f9fa; padding: 15px; }
        .logo { font-size: 24px; font-weight: bold; color: #ff6b35; }
        .nav-links a { margin: 0 15px; text-decoration: none; color: #333; }
        .nav-toggle { display: none; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-nav { display: block; }
            .nav-toggle { display: block; position: fixed; right: 20px; top: 20px; background: #ff6b35; color: white; padding: 10px; border-radius: 5px; }
        }
        img { max-width: 100%; height: auto; margin: 20px 0; }