照片转柔和动漫婚礼插画

```json
{
 "generation_request": {
 "meta_data": {
 "task_type": "photo_to_soft_anime_couple_illustration",
 "language": "zh-Hans",
 "priority": "highest",
 "version": "v1.0_SOFT_ANIME_WEDDINGLIKE_COUPLE_RED_SATIN"
 },
 "input": {
 "mode": "image_to_image",
 "reference_image_usage": "high",
 "preserve_identity": true,
 "preserve_facial_features": true,
 "notes": "将上传的情侣照片转换为柔和的动漫/插画风格，面部特征简化，类似于参考图。保持情侣可辨识度。女士穿红色缎面连衣裙，手持红玫瑰。男士穿白色衬衫。背景极简，呈现优雅的海报效果。"
 },
 "output": {
 "aspect_ratio": "4:5",
 "resolution": "ultra_high",
 "num_images": 2,
 "sharpness": "clean_illustration",
 "grain": "none"
 },
 "style": {
 "render_type": "soft_anime_illustration",
 "linework": "clean_thin_lines",
 "shading": "smooth_pastel_shading",
 "texture": "slight_paper_smooth",
 "palette": "warm_neutrals + vivid_red_accents"
 },
 "scene": {
 "background": "简单的双色或柔和的纯色背景（鼠尾草绿/灰米色），极简现代",
 "composition": "3/4 身情侣肖像，亲密姿势，温柔微笑",
 "pose": "女士略微靠前，男士在旁边/身后，女士手持花束居中"
 },
 "wardrobe": {
 "woman": "{argument name=\"woman's dress\" default=\"red satin dress\"}，插画风格的缎面光泽，带有柔和的高光",
 "man": "白色纽扣衬衫，褶皱极少"
 },
 "props": {
 "bouquet": "{argument name=\"bouquet type\" default=\"red roses bouquet\"}，风格化的花瓣，但清晰可见是玫瑰"
 },
 "quality_rules": {
 "must": [
 "动漫/插画风格（非写实）",
 "情侣身份可从参考照片中辨认",
 "红色缎面连衣裙 + 红玫瑰清晰可见",
 "手部和面部干净，无多余手指",
 "无文字/水印"
 ]
 },
 "negative_prompt": [
 "写实",
 "超细节毛孔",
 "3D 渲染",
 "浓重漫画墨线",
 "凌乱草图",
 "模糊",
 "多余手指",
 "变形的手",
 "文字、水印、标志"
 ]
 }
}
```