Spatial Reconfiguration of the Metropolitan Fringe Areas Under Policy Evolution—Taking Guangming District of Shenzhen as an Example

With the accelerating processes of globalization and urbanization, metropolitan fringe areas—situated at the intersection of urban expansion and rural transformation—have become critical focal points in urban geography, regional economics, and urban–rural planning. Within the context of China’s new urbanization strategy and the national “dual circulation” framework, the role of policy evolution in shaping spatial development has become increasingly significant. Specifically, in metropolitan frin