产品悬浮于虚空中，棱镜光效

{ "image_generation_controls": { "product_focus": "{argument name=\"product focus\" default=\"[INSERT PRODUCT HERE]\"}", "composition": { "placement": "严格居中", "orientation": "视线水平，正面朝向", "spatial_style": "悬浮，漂浮在虚空中", "fr