First, the user wants only the HTML blog post content—no preamble, explanation, or code/comments. So, my output should be purely the HTML.
The required structure is:
1. Post Title as H2
2. Estimated reading time (as a text line)
3. Key takeaways (3-5 bullet points)
4. Table of Contents (with anchor links to all main headings)
5. Main content (with correct, nested heading hierarchy)
6. FAQ section
At the top, include a