Core Viewpoint - The "post-National Games" era presents opportunities for the Guangdong-Hong Kong-Macao Greater Bay Area to leverage sports as a means to enhance cross-border cooperation and resource integration, ultimately driving high-quality regional development [1][2][3] Group 1: Challenges and Opportunities - The Guangdong-Hong Kong-Macao region faces challenges such as regulatory inconsistencies, limited factor mobility, and significant institutional differences due to its unique "one country, two systems, three legal jurisdictions" context [1] - Sports, characterized by low sensitivity, high aggregation, and strong identity, serve as an ideal entry point to break down institutional barriers and promote cross-border factor flow [1] Group 2: Development Strategies - The 15th National Games achieved unprecedented collaboration across the three regions, establishing a cross-administrative organizational system that enhances sports cooperation and resource efficiency [1] - Recommendations include integrating sports venues into urban renewal plans, promoting mixed-use development with community and commercial spaces, and transforming venues into vibrant urban centers [2] Group 3: Future Directions - The establishment of a "1+4+N" spatial experiment aims to create a sports resource network sharing platform, optimizing resource allocation and promoting differentiated development in the regional sports industry [2] - The construction of "three bases and three centers" will facilitate the closed-loop flow of technology, capital, talent, events, rules, and finance, supporting high-quality development in the sports industry [3]