{

{ "prompt_type": "universal_city_travel_postcard", "variable": { "city": "ENTER CITY NAME HERE" }, "instruction": "Create a premium illustrated travel postcard for the city provided in the variable. The city is the ONLY user-provided creative variable. Everything else must be intelligently researched, inferred, selected, and generated specifically for that city. Do not require a reference image.", "city_reasoning": { "first_determine": [ "officially recognizable city name", "country", "state, province, territory, or region when applicable", "local-language spelling or transliteration", "one iconic landmark strongly associated with the city", "one authentic environment or viewpoint where that landmark naturally belongs", "distinctive surrounding architecture", "important local geographic features", "appropriate vegetation and landscape", "appropriate transportation or human activity", "a secondary recognizable city feature if compositionally useful" ], "landmark_selection": { "rule": "Automatically choose the single most visually recognizable landmark or architectural symbol of the specified city.", "priority": [ "globally recognizable city landmark", "strongly city-specific architecture", "distinctive skyline feature", "iconic monument", "famous bridge", "historic structure", "recognizable natural landmark when it is the defining visual identity of the city" ], "do_not": [ "combine landmarks from different cities", "invent fictional landmarks", "use a generic building when a recognizable landmark exists", "place the landmark in an impossible geographic setting" ] } }, "fixed_visual_identity": { "style": "elegant handcrafted paper-cut travel illustration", "medium": "layered textured paper collage combined with refined editorial illustration", "aesthetic": "premium vintage tourism poster, sophisticated collectible postcard", "mood": "calm, nostalgic, inviting, picturesque, refined", "visual_language": [ "layered paper construction", "subtle physical paper depth", "soft paper shadows", "matte printed texture", "visible tactile paper grain", "clean simplified shapes", "delicate atmospheric perspective", "restrained pastel colors", "carefully composed architectural silhouettes", "slightly handcrafted edges" ], "important": "The style must remain consistent regardless of which city is entered. Only the city-specific content changes." }, "composition": { "aspect_ratio": "4:5", "orientation": "vertical", "format": "premium destination travel postcard", "visual_hierarchy": [ "large open sky", "upper-left typography", "dominant iconic landmark", "recognizable city environment", "layered foreground", "small human figures for scale and atmosphere" ], "sky": { "coverage": "approximately upper 30-40 percent", "color": "soft powder blue", "texture": "subtle fine paper grain", "clouds": "minimal layered cream paper clouds", "rule": "Keep sufficient negative space for typography and do not overcrowd the sky." }, "landmark": { "position": "dominant central or slightly off-center focal point", "scale": "large enough to immediately identify the city", "silhouette": "architecturally accurate", "detail": "recognizable but artistically simplified", "depth": "clearly separated from foreground and background" }, "foreground": { "purpose": "create depth and a lived-in travel experience", "automatically_select": [ "viewpoint railing", "promenade", "park", "street", "waterfront", "terrace", "hilltop overlook", "historic pedestrian area" ], "selection_rule": "Choose whichever foreground environment naturally complements the selected landmark and is believable for the specified city." }, "background": { "include": [ "city skyline when appropriate", "recognizable local buildings", "natural geography", "water when geographically appropriate", "hills or mountains when geographically appropriate", "trees and landscape" ], "rule": "Background elements must support the city's identity without competing with the primary landmark." } }, "city_specific_environment": { "architecture": { "rule": "Automatically generate surrounding architecture characteristic of the specified city.", "accuracy": "Buildings should look plausibly local in scale, materials, proportions, age, and architectural vocabulary." }, "geography": { "rule": "Automatically incorporate important geographic features only when genuinely associated with the city.", "examples": [ "coastline", "river", "lake", "mountains", "hills", "valleys", "desert", "forest", "plains" ] }, "vegetation": { "rule": "Automatically choose vegetation appropriate to the city's climate and region.", "style": "soft layered paper-cut foliage" }, "transportation": { "rule": "Optionally include one subtle recognizable local transportation element when it strengthens city identity.", "examples": [ "tram", "streetcar", "ferry", "subway entrance", "cable car", "double-decker bus", "trolley", "boat" ], "restriction": "Never add transportation merely for decoration if it is not appropriate to the city." }, "people": { "include": true, "quantity": "small and sparse", "style": "simplified paper-cut travelers and pedestrians", "poses": [ "walking", "looking at the landmark", "standing at an overlook", "sitting", "casually sightseeing" ], "rule": "People are environmental storytelling elements, not the primary subject." } }, "color_system": { "base_palette": [ "powder blue", "warm ivory", "cream", "muted sage", "olive green", "dusty gray", "soft beige", "desaturated terracotta" ], "city_adaptation": "The palette may subtly adapt to the city's natural and architectural colors while preserving the same soft pastel editorial aesthetic.", "saturation": "low to medium", "contrast": "soft", "avoid": [ "neon colors", "extreme saturation", "harsh black shadows", "high-contrast HDR appearance" ] }, "lighting": { "time": "pleasant daytime", "quality": "soft diffuse natural light", "atmosphere": "slightly hazy and peaceful", "shadows": "soft layered paper shadows", "highlight_behavior": "gentle matte highlights", "overall_effect": "warm, calm, cinematic travel-poster atmosphere" }, "typography": { "placement": "upper-left", "hierarchy": "city name largest, location second, landmark third", "city_name": { "content": "{{CITY_NAME}}", "case": "uppercase", "font": "clean modern geometric sans-serif", "weight": "bold", "size": "large", "letter_spacing": "wide", "color": "warm white" }, "location_line": { "content": "{{LOCAL_CITY_NAME}} · {{STATE_REGION_OR_COUNTRY}}", "font": "clean minimalist sans-serif", "weight": "regular", "size": "small", "letter_spacing": "moderate", "color": "warm white" }, "landmark_line": { "content": "{{PRIMARY_LANDMARK_NAME}}", "font": "clean minimalist sans-serif", "weight": "regular", "size": "small", "letter_spacing": "very wide", "case": "uppercase", "color": "warm white" }, "language": { "rule": "Automatically determine an appropriate local-language representation of the city when useful. Preserve the primary city name in universally recognizable Latin characters unless the city convention strongly favors another script.", "accuracy": "All visible text must be correctly spelled." } }, "paper_material": { "paper": "high-quality matte art paper", "grain": "fine subtle tactile grain", "layers": "multiple visibly separated paper layers", "edges": "slightly imperfect handcrafted cut edges", "depth": "subtle realistic paper-layer separation", "printing": "premium vintage offset-print character", "finish": "soft matte archival postcard" }, "camera_and_perspective": { "viewpoint": "cinematic elevated travel viewpoint", "perspective": "natural architectural perspective", "lens_feel": "40-50mm equivalent", "distortion": "minimal", "framing": "balanced and carefully art-directed", "depth": "strong foreground, middle-ground, background separation" }, "image_quality": { "resolution": "high resolution", "detail": "high-quality handcrafted illustration detail", "architecture": "clean and structurally coherent", "composition": "professional tourism campaign quality", "consistency": "every object must belong to the same physical paper-cut world" }, "negative_prompt": [ "photorealistic photography", "3D CGI", "plastic rendering", "generic AI illustration", "generic city skyline", "wrong landmark", "landmark from another city", "fictional architecture", "geographically impossible composition", "duplicated landmarks", "distorted buildings", "warped architecture", "random skyscrapers", "incorrect local geography", "oversaturated colors", "neon colors", "glossy surfaces", "anime", "cartoon caricature", "flat vector art", "excessive outlines", "busy composition", "too many people", "large people", "foreground subject blocking landmark", "incorrect typography", "misspelled city name", "random text", "watermark", "logo", "UI elements", "border", "frame" ], "final_generation_rule": "Generate the entire scene dynamically from the city variable. If the user enters Paris, create a Paris-specific scene; if they enter Tokyo, create a Tokyo-specific scene; if they enter Mumbai, create a Mumbai-specific scene, etc. Automatically select the most recognizable landmark, authentic surrounding environment, appropriate architecture, geography, vegetation, transportation, typography, and secondary details. Never copy the visual contents of another city. Preserve the fixed paper-cut postcard aesthetic, composition quality, typography hierarchy, pastel palette, tactile texture, and premium editorial finish across every city." } @Create image

{ "prompt_type": "universal_city_travel_postcard", "variable": { "city": "ENTER CITY NAME HERE" }, "instruction": "为变量中提供的城市创建一个高级插画风格旅行明信片。城市是唯一由用户提供的创意变量。其他所有内容都必须针对该城市进行智能研究、推断、选择和生成。不需要参考图像。", "city_reasoning": { "first_determine": [ "官方可识别的城市名称", "国家", "州、省、地区或区域（如适用）", "本地语言的拼写或音译", "一座与该城市密切相关的标志性建筑", "一个该标志性建筑自然所处的真实环境或视角", "独特的周边建筑", "重要的当地地理特征", "适宜的植被与景观", "合适的交通方式或人类活动", "如构图有用，可加入第二项可识别的城市特征" ], "landmark_selection": { "rule": "自动选择指定城市最具视觉辨识度的地标或建筑象征。", "priority": [ "全球公认的城市地标", "强烈具有城市特色的建筑", "独特的天际线特征", "标志性纪念物", "著名桥梁", "历史建筑", "当可识别的自然地标是城市的定义性视觉标志时" ], "do_not": [ "将不同城市的地标组合在一起", "编造虚构的地标", "在存在可识别地标时使用通用建筑", "将地标放置在不可能的地理环境中" ] } }, "fixed_visual_identity": { "style": "优雅的手工剪纸风格旅行插画", "medium": "分层质感纸张拼贴结合精致的编辑插画", "aesthetic": "高级复古旅游海报，可收藏的精致明信片", "mood": "宁静、怀旧、诱人、如画、精致的", "visual_language": [ "分层纸张构建", "细微的物理纸张深度", "柔和的纸张阴影", "哑光印刷质感", "可见的触感纸张纹理", "简洁简化的形状", "细腻的大气透视", "克制的柔和粉彩色", "精心构图的建筑轮廓", "略带手工感的边缘" ], "important": "无论输入哪座城市，风格必须保持一致。只有城市相关内容会发生变化。" }, "composition": { "aspect_ratio": "4:5", "orientation": "vertical", "format": "高级目的地旅行明信片", "visual_hierarchy": [ "大面积开阔的天空", "左上角排版", "主导的标志性建筑", "可识别的城市环境", "分层的前景", "少量人物以体现比例和氛围" ], "sky": { "coverage": "大约占上方 30-40%", "color": "柔和的粉蓝色", "texture": "细腻的纸张纹理", "clouds": "少量的分层奶白色纸张云朵", "rule": "为排版保留足够的负空间，不要让天空过于拥挤。" }, "landmark": { "position": "占据主导的中央或略偏离中心的焦点", "scale": "足够大以立即识别该城市", "silhouette": "建筑上准确", "detail": "可识别但经过艺术简化", "depth": "与前景和背景清晰分离" }, "foreground": { "purpose": "创造深度和身临其境的旅行体验", "automatically_select": [ "观景栏杆", "海滨长廊", "公园", "街道", "水滨", "露台", "山顶观景点", "历史步行区" ], "selection_rule": "选择与所选地标自然搭配且对该城市可信的前景环境。" }, "background": { "include": [ "城市天际线（适当时）", "可识别的本地建筑", "自然地理", "水（地理上合适时）", "山丘或山脉（地理上合适时）", "树木和景观" ], "rule": "背景元素必须支持城市身份，且不与主要地标争夺视觉焦点。" } }, "city_specific_environment": { "architecture": { "rule": "自动生成指定城市特有的周边建筑。", "accuracy": "建筑应在规模、材料、比例、年代和建筑语言上看起来合理地属于本地。" }, "geography": { "rule": "仅在与该城市真正相关时，自动融入重要的地理特征。", "examples": [ "海岸线", "河流", "湖泊", "山脉", "丘陵", "山谷", "沙漠", "森林", "平原" ] }, "vegetation": { "rule": "自动选择适合该城市气候和地区的植被。", "style": "柔和的分层剪纸风格树叶" }, "transportation": { "rule": "可选地加入一个低调但可识别的当地交通元素，以强化城市身份。", "examples": [ "有轨电车", "街车", "渡轮", "地铁入口", "缆车", "双层巴士", "无轨电车", "小船" ], "restriction": "如果交通元素不适合该城市，绝不为装饰而添加。" }, "people": { "include": true, "quantity": "少量且稀疏", "style": "简化的剪纸风格旅行者和行人", "poses": [ "行走", "观看地标", "站立于观景点", "坐着", "随意的观光" ], "rule": "人物是环境叙事元素，而不是主要主体。" } }, "color_system": { "base_palette": [ "粉蓝色", "暖象牙色", "奶油色", "柔和的鼠尾草绿", "橄榄绿", "灰蒙色调", "柔和米色", "低饱和度的陶土色" ], "city_adaptation": "调色板可以微妙地适应城市的自然和建筑色彩，同时保持相同的柔和粉彩编辑美学。", "saturation": "低到中等", "contrast": "柔和", "avoid": [ "霓虹色", "极高饱和度", "刺眼的黑色阴影", "高对比度 HDR 效果" ] }, "lighting": { "time": "宜人的白天", "quality": "柔和的漫射自然光", "atmosphere": "略带朦胧、宁静", "shadows": "柔和的分层纸张阴影", "highlight_behavior": "温和的哑光高光", "overall_effect": "温暖、宁静、电影感的旅行海报氛围" }, "typography": { "placement": "左上", "hierarchy": "城市名称最大，地点次之，地标第三", "city_name": { "content": "{{CITY_NAME}}", "case": "uppercase", "font": "简洁现代的几何无衬线字体", "weight": "bold", "size": "large", "letter_spacing": "wide", "color": "warm white" }, "location_line": { "content": "{{LOCAL_CITY_NAME}} · {{STATE_REGION_OR_COUNTRY}}", "font": "简洁极简的无衬线字体", "weight": "regular", "size": "small", "letter_spacing": "moderate", "color": "warm white" }, "landmark_line": { "content": "{{PRIMARY_LANDMARK_NAME}}", "font": "简洁极简的无衬线字体", "weight": "regular", "size": "small", "letter_spacing": "very wide", "case": "uppercase", "color": "warm white" }, "language": { "rule": "在有用时自动确定一个合适的本地语言城市表达。除非城市惯例强烈倾向其他文字，否则城市的主名称应保留在普遍可识别的拉丁字符中。", "accuracy": "所有可见的文字必须拼写正确。" } }, "paper_material": { "paper": "高品质哑光艺术纸", "grain": "细腻而微妙的触感纹理", "layers": "多个明显分离的纸张层", "edges": "略带不完美的手工切割边缘", "depth": "微妙逼真的纸张分层分离", "printing": "高级复古胶印质感", "finish": "柔和的哑光档案级明信片" }, "camera_and_perspective": { "viewpoint": "电影感的升高旅行视角", "perspective": "自然的建筑透视", "lens_feel": "40-50mm 等效焦距", "distortion": "极小", "framing": "平衡且精心艺术指导", "depth": "强烈的前景、中景、背景分离" }, "image_quality": { "resolution": "高分辨率", "detail": "高品质的手工插画细节", "architecture": "清晰且结构连贯", "composition": "专业旅游活动级别品质", "consistency": "每个对象都必须属于同一个物理剪纸世界" }, "negative_prompt": [ "照片级真实摄影", "3D CGI", "塑料感的渲染", "通用 AI 插画", "通用城市天际线", "错误的地标", "来自其他城市的地标", "虚构的建筑", "地理上不可能的构图", "重复的地标", "扭曲的建筑", "变形的建筑", "随机摩天大楼", "不正确的当地地理", "过度饱和的颜色", "霓虹色", "光泽表面", "动画", "漫画式夸张", "扁平矢量艺术", "过多描边", "过于杂乱的构图", "人物过多", "人物过大", "前景主体遮挡地标", "错误的排版", "城市名称拼写错误", "随机文字", "水印", "标志", "UI 元素", "边框", "相框" ], "final_generation_rule": "根据城市变量动态生成整个场景。如果用户输入巴黎，则创建巴黎特定的场景；如果输入东京，则创建东京特定的场景；如果输入孟买，则创建孟买特定的场景，依此类推。自动选择最具识别性的地标、真实的周边环境、合适的建筑、地理、植被、交通、排版和次要细节。绝不复制其他城市的视觉内容。在每个城市中保持固定的剪纸明信片美学、构图质量、排版层次、粉彩调色板、触感纹理和高级编辑成品。" } @Create image