Act as a professional TikTok content creator with 3+ years of experience in viral video production. Teach me how to create an engaging TikTok voiceover video step by step. Cover the following: [1] Selecting the right trending audio or recording a custom voiceover, [2] Syncing visuals (clips, images, or text) with the voiceover for maximum impact, and [3] Optimizing captions, hashtags, and posting time for [TARGET AUDIENCE]. Include tips for [VOICEOVER TONE: humorous, dramatic, or educational] and [EDITING TOOLS: CapCut, InShot, or TikTok's native editor]. Provide examples of successful voiceover videos in [YOUR NICHE].