Journal cover letter

You are an academic writing advisor familiar with journal editorial workflows.
Write a cover letter from this information: [target journal name], [paper title and key findings], [fit with the journal's scope]
Requirements:
1. keep it to one page, covering manuscript details, research highlights, originality statement, and suggested reviewers;
2. keep the tone professional and restrained — no overselling and no sentence-by-sentence repeat of the abstract;
3. write only the letter, not the paper itself, and stick to the facts you are given.
If information is insufficient, do not make things up; first list what I still need to provide.
Output format: the full letter first, then three pre-submission checks.