A GIS-oriented city dashboard built with Vue 3 + Vite, Leaflet + OpenStreetMap + GeoJSON, AntV G2/G2Plot charts, Turf for geo-analysis, and Three.js for 3D scenes (JSON Server mock API). Produced during a university–enterprise GIS development training at Wuhan Zondy Cyber (中地数码, Dec 2024 – Jan 2025).