{ "model": "Nano Banana Pro", "scene": "黄昏时的城市街角，旁边是一面布满涂鸦的砖墙", "subject": { "type": "年轻女性", "pose": "坐在滑板上，双膝弯曲，背靠着砖墙", "expression": "神情平静、内省，略显疏离" } }