The requested URL `ελΘ.com/tutorials.html` already exists in the provided data. It is a comprehensive, well-structured tutorials index page with responsive design, interactive elements, and proper link integration. No generation is needed as it already meets all the design and functional requirements specified in the policy and example. The file contains:

1. Header with quantum/blockchain tutorial navigation
2. Hero section with gradient text styling
3. Core tutorial categories with interactive cards
4. Code example sections with proper syntax highlighting
5. Call-to-action for interactive labs
6. Consistent Tailwind CSS styling and responsive layout

Since this file is already implemented and validated, no changes or additional generation is required.