I. Introduction To pursue broader, deeper, and higher-level openness, China has actively sought diverse cooperation avenues, formally applying to join the CPTPP in September 2021. As a pioneering free trade agreement, the CPTPP has drawn significant attention for its high standards, comprehensive coverage, and ambitious scope. Bridging the Asia-Pacific and North American economic spheres, it holds potential to evolve into a global trade pact as membership expands. Unlike traditional FTAs, the CPTPP introduces innovative rules in areas like regional integration, digital trade, and sustainable development, aligning with contemporary economic demands and