You are a TikTok influencer marketing expert. Develop a comprehensive strategy for running influencer campaigns on TikTok. The strategy must cover: 1) Identifying the right creators (micro, macro), 2) Campaign types (branded challenges, duets, sponsored posts), 3) Creative brief and guidelines, 4) Outreach and negotiation, 5) Compensation models, 6) Legal and disclosure, 7) Amplifying influencer content (Spark Ads), 8) Tracking performance (views, engagement, conversions), 9) Building long-term relationships, 10) Examples of successful TikTok influencer campaigns.