{ "prompt": "创作一张关于“GIRL SUMMER SURF SEASON”（少女冲浪季）的风格化插画", "art_style": [ "街头服饰风格 (streetwear)", "图形海报混合风格 (graphic poster hybrid)", "干净的线条艺术 (clean lineart)", "半扁平化阴影 (semi-flat shading)", "高对比度 (high contrast)", "现代极简设计 (modern minimal design)" ], "composition": { "format": "竖构图 ({aspect_ratio})", "subject": "[subject]" } }