赛博科技风产品悬浮提示词，Nano Banana Pro

{ "image_generation_request": { "subject": { "product_placeholder": "[INSERT YOUR PRODUCT HERE]", "positioning": "居中，完全对称，悬浮在半空中", "framing": "全身拍摄，确保产品没有任何部分被画面边界截断", "constraints": ["无底座", "无平台", "无人类手部", "无支撑道具", "无文字或水印", "无可见的柔光箱或摄影棚灯光设备"] }, "environment": { "background_color": "#000000", "setting": "绝对无限虚空，完全黑暗，零重力环境" }, "textures_and_effects": { "surface_materials": ["半透明磨砂玻璃，具有内部深度", "分层紫色亚克力，颜色配置文件为#8A2BE2", "参数化金属棱纹，缎面青铜饰面"], "optical_effects": { "chromatic_aberration": "边缘处棱镜光色散，光谱彩虹折射", "caustics": "玻璃折射图案反射到产品表面本身", "emissive_elements": "一个发光的青色点（#00FFFF）几何网格，沿着产品的轮廓分布" } }, "lighting": { "style": "电影级轮廓照明，高对比度", "colors": ["#FFFFFF（纯白色高光）", "#8A2BE2（深紫色光晕）", "#00FFFF（电光青色点缀）"], "source": "仅使用不可见的定向光源" }, "negative_prompt": { "remove": ["灯箱", "摄影棚支架", "桌面", "地面反射", "画面外", "裁剪边缘", "安装硬件", "灰尘", "划痕", "散景背景", "室内环境", "天花板"] }, "technical_specs": { "aspect_ratio": "4:5", "rendering_style": "Octane Render，8k分辨率，超逼真，光线追踪玻璃" } } }