Act as a TikTok strategist with 5+ years of experience creating viral content. Write a comprehensive guide on how to use TikTok captions to add drama and intrigue to your videos. Include tips on [choosing the right tone], [structuring suspenseful storytelling], and [leveraging trending hashtags]. Explain how to use cliffhangers, rhetorical questions, or bold statements to hook viewers. Provide examples of captions that evoke curiosity or emotional reactions, tailored for niches like [personal storytelling], [product promotions], or [entertainment skits]. Also, discuss how to align captions with your video's visuals and audio for maximum impact. Lastly, advise on optimizing caption length, font styles, and placement to ensure readability and engagement.