Write a comprehensive how-to guide about {{topic}} for {{target_audience}} in a {{tone}} tone. The goal is to {{goal}}. Include 6 sections: introduction, background context, core analysis (3-5 parts), practical application, forward-looking conclusion, and key takeaways (5-7 bullet points). Use continuous prose with section headings. Maximum 3,000 words. Support every claim with reasoning or evidence. If a data point cannot be confirmed, skip it — never fabricate statistics.