Introduction: The Great Shift in "Marketing Productivity" In 2025, marketing in China is undergoing an unprecedented transformation. Generative AI (AIGC) , intelligent ad engines, and AI-driven influencer selection have fully permeated the marketing chain. According to recent industry reports (including Weiboyi), over 60% of Chinese enterprises  initiated AI marketing deployments between 2024 and 2025—a staggering increase of nearly 200%  compared to 2023. For global brands,