产品可视化提示模板

{ "product_visualization_request": { "subject": { "product_placeholder": "[SUBJECT]", "composition": "完美居中，完整视图，悬浮于虚空之中，无裁剪，无截断，产品边缘100%可见", "positioning": "孤立漂浮，无支架，无平台，无基座，无可见支撑物" }, "textures_and_materials": { "primary_finish": "高光抛光铬与阳极氧化铝", "secondary_texture": "精细线性微棱纹玻璃折射，如复古汽车信号灯所见", "surface_effects": "虹彩热处理钛金属光泽，超光滑缎面金属渐变" }, "lighting_and_color_palette": { "background": "#000000（纯黑虚空）", "primary_light_color": "#FF8C00（深烧橙色）", "secondary_light_color": "#FFD700（鲜艳金色）", "accent_trim_color": "#007FFF（天蓝色边缘高光）", "lighting_style": "硬边影棚轮廓光，戏剧性明暗对比，高对比反射映射，无可见灯箱，无柔光箱" }, "negative_constraints": { "forbidden_elements": [ "文字", "水印", "标志", "标签", "道具", "手部", "人体模型", "影棚设备", "灯架", "线缆", "地面平面", "阴影捕捉器" ], "image_quality_issues": [ "产品被裁剪", "边缘模糊", "出框", "柔焦", "镜头光晕伪影", "体积雾", "灰尘颗粒" ] }, "artistic_style": "复古未来主义工业设计，爱马仕风格奢华质感，1970年代概念车美学，超写实8K渲染" } }