{ "input": { "city_name": "{{USER_INPUT_CITY}}" }, "reference_style": { "use_uploaded_reference_images": true, "reference_images_define": ["整體構圖", "手工絲網印刷美學", "大膽的黑色圖形剪影", "有限的色彩配置", "復古旅行海報特質", "粗糙的墨水質感", "略帶不完美的手工邊緣", "超大城市字體", "分層的地標排列", "底部交通元素", "米色/米白紙質背景", "極簡編輯式構圖"], "do_not_copy": ["特定地標", "特定城市名稱", "特定車輛", "特定色彩組合", "精確的字體排列", "精確的地標位置"] }, "generation": { "type": "復古城市旅行海報", "aspect_ratio": "3:4", "resolution": "高", "orientation": "直式", "city_adaptation": { "primary_rule": "一切都必須圍繞使用者的 city_name 重新設計。", "identify_city": true, "research_visual_identity": true, "landmarks": {"count": "4-7", "selection": "自動選出指定城市最具辨識度且視覺上最鮮明的地標。", "prioritize": ["主要地標", "歷史建築", "現代建築地標", "宗教或文化地標", "橋樑或紀念碑", "可辨識的天際線元素"], "rendering": "將每個地標轉為簡化的大膽黑色絲網印刷剪影，同時保留其可辨識的建築特徵。"}, "transportation": {"automatically_select": true, "instruction": "選擇與指定城市強烈相關的交通工具，例如計程車、電車、公車、地鐵、嘟嘟車、纜車、人力車、經典老爺車、渡輪或其他標誌性的當地交通。", "placement": "沿底部邊緣的大型前景元素", "style": "簡化的復古絲網印刷插畫"}, "colors": {"automatically_adapt": true, "instruction": "選擇一組克制的 2-4 色配色，靈感取自城市的視覺識別、當地交通、旗幟、建築或文化色彩。", "black": "主導的圖形墨色", "background": "溫暖陳舊的米色紙", "accent_colors": "城市專屬且低調，絕不過度飽和"}, "typography": {"text": "{{USER_INPUT_CITY}}", "case": "大寫", "style": "大型粗體不規則壓縮展示字體", "placement": "顯著地融入地標之間或後方", "texture": "粗糙的印刷墨水", "alignment": "略帶不完美且有機", "rule": "城市名稱必須拼寫完美且清晰可讀。"}, "secondary_text": {"enabled": false, "instruction": "不要加入任意的標語、日期、旅遊短語、描述或額外可讀文字。"}, "local_details": {"automatically_adapt": true, "instruction": "加入細微的視覺細節，立即強化指定城市的識別度，同時不使構圖過於擁擠。"} }, "composition": {"layout": "編輯式復古旅行海報", "landmarks": "圍繞字體動態排列", "typography": "大型中央視覺錨點", "foreground": "一個標誌性的城市交通元素", "depth": "平面圖形分層、最小重疊", "negative_space": "充裕的米色留白", "balance": "不對稱但視覺平衡", "cropping": "允許選定的地標或交通自然延伸至邊緣"}, "art_direction": {"medium": "手工絲網印刷 / 受版畫啟發的旅行海報", "visual_language": ["大膽剪影", "平面形狀", "粗糙墨水邊緣", "可見的印刷顆粒", "細微的墨水磨損", "輕微的套版不準", "手工不完美", "圖形編輯設計", "中世紀旅行海報影響"], "linework": "強烈、粗厚且簡化", "texture": "真實的紙張顆粒與不均勻的墨水覆蓋", "finish": "實體印刷作品而非數位完美的向量藝術"}, "background": {"color": "溫暖象牙白 / 陳舊米色", "texture": "細微的天然紙纖維", "pattern": "無", "gradient": false}, "quality": {"photorealism": false, "vector_perfection": false, "digital_gloss": false, "clean_modern_ui": false, "high_detail": true, "print_ready_appearance": true} }, "constraints": { "user_controls_only": ["city_name"], "model_controls": ["地標選擇", "地標排列", "交通", "色彩配置", "當地視覺細節", "字體構圖", "圖形層次"], "must_have": ["正確的城市名稱", "該城市可辨識的地標", "城市專屬的交通或移動元素", "溫暖的米色紙質背景", "大膽的黑色絲網印刷形態", "大型城市字體", "復古手工印刷質感", "一致的旅行海報構圖"], "avoid": ["其他城市的地標", "通用建築", "通用旅遊圖像", "照片寫實渲染", "3D 渲染", "光澤漸層", "霓虹色", "現代企業海報設計", "隨機文字", "拼錯的城市名稱", "多餘標語", "浮水印", "標誌", "AI 瑕疵", "過度乾淨的向量邊緣"] }, "output_instruction": "創作一張完成的復古絲網印刷旅行海報，代表 {{USER_INPUT_CITY}}。保留所提供參考的藝術語言與視覺克制，但完全重新設計地標、交通、點綴色彩與當地細節，使其真實地屬於指定城市。" }