等距城市透视图模型

{
  "meta": {
    "description": "Structured prompt for generating an isometric city diorama in a miniature 3D style, with weather and environment adaptive to the specified city.",
    "variable": "${City:San Francisco}"
  },
  "prompt_structure": {
    "perspective_and_format": {
      "view": "Isometric camera view",
      "format": "Miniature 3D diorama resting on a floating square base serving as the ground plinth.",
      "ratio": "16:9 (vertical phone)"
    },
    "art_style": {
      "medium": "High-detail 3D render",
      "texture_quality": "Realistic textures appropriate for the region's architecture (e.g., stone/brick, stucco/adobe, glass/steel).",
      "vibe": "Toy-like but highly sophisticated architectural model with tactile material qualities."
    },
    "environment_and_atmosphere": {
      "weather": "Typical climate and weather conditions associated with the specified city (e.g., overcast/rainy for London, bright/sunny/arid for Cairo, snowy for Moscow). Lighting mat