The Hengqin-GD-Macao Deep Cooperation Zone serves as a pivotal platform for implementing Macao’s *”1+4″ moderate economic diversification strategy* (“1” = premium tourism; “4” = healthcare, modern finance, hi-tech, and MICE/cultural sports). The Hengqin Cooperation Zone Development Promotion Regulation (effective March 2023) aligns its industrial planning with these four key sectors, institutionalizing cross-border coordination under the “joint deliberation, construction, management, and sharing” principle.