1. **Analyze the Request:** * **Goal:** Adjust the previous draft to fit within 500-1000 Chinese characters (excluding punctuation and English). * **Current State:** The previous draft was 1258 characters. I need to trim it down. * **Required Elements:** Still must include: problem solved, suitable foundation, suggested first blocks, independent outputs after learning, how to use materials for practice. * **Constraints:** No duplicate titles, no listing filenames, only HTML fragments using `
`, `
`, `
`, `
`, no `/`. No marketing fluff, no AI self-identification, no other site names. * **Tone:** Engineering-focused, structural, reuse-oriented, practical. 2. **Drafting - Step-by-Step:** * *Heading 1: Core Problem Solved*