纸雕风格城市旅游明信片插画

{
"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."
}

{
  "prompt_type": "通用城市旅游明信片",
  "variable": {
    "city": "在此输入城市名称"
  },
  "instruction": "为变量中提供的城市创建一张优质的插画旅游明信片。城市是用户提供的唯一创意变量。其他所有内容必须根据该城市进行智能研究、推断、选择并专门生成。不需要参考图像。",
  "city_reasoning": {
    "first_determine": [
      "官方认可的城市名称",
      "国家",
      "适用的州、省、领地或地区",
      "当地语言拼写或音译",
      "一个与该城市强相关的标志性地标",
      "该地标自然所属的真实环境或视角",
      "独特的周边建筑",
      "重要的当地地理特征",
      "合适的植被和景观",
      "合适的交通或人类活动",
      "如果对构图有用，则包含次要的可辨识城市特征"
    ],
    "landmark_selection": {
      "rule": "自动选择指定城市中最具视觉辨识度的单一地标或建筑符号。",
      "priority": [
        "全球知名的城市地标",
        "具有强烈城市特色的建筑",
        "独特的城市天际线特征",
        "标志性纪念碑",
        "著名桥梁",
        "历史结构",
        "当自然地标是城市的定义性视觉身份时，选择辨识度高的自然地标"
      ],
      "do_not": [
        "组合来自不同城市的地标",
        "虚构地标",
        "在有可辨识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": "优雅的手工纸雕旅游插画",
    "medium": "层叠纹理纸拼贴结合精致的社论插画",
    "aesthetic": "优质复古旅游海报，精致的收藏级明信片",
    "mood": "宁静、怀旧、诱人、如画、精致",
    "visual_language": [
      "层叠纸张结构",
      "细微的物理纸张深度",
      "柔和的纸张阴影",
      "哑光印刷纹理",
      "肉眼可见的触感纸张纹理",
      "简洁简化的形状",
      "细腻的大气透视",
      "克制的粉彩色调",
      "精心构思的建筑剪影",
      "轻微的手工边缘"
    ],
    "important": "无论输入哪个城市，风格必须保持一致。只有特定城市的内容会发生变化。"
  },
  "composition": {
    "aspect_ratio": "4:5",
    "orientation": "纵向",
    "format": "优质目的地旅游明信片",
    "visual_hierarchy": [
      "开阔的天空",
      "左上角排版",
      "主导性的标志性地标",
      "可辨识的城市环境",
      "分层前景",
      "用于表现比例和氛围的小型人物角色"
    ],
    "sky": {
      "coverage": "约占上部 30-40%",
      "color": "柔和的粉蓝色",
      "texture": "细微的精细纸张纹理",
      "clouds": "极简的层叠奶油色纸质云朵",
      "rule": "为排版留出足够的负空间，不要让天空过于拥挤。"
    },
    "landmark": {
      "position": "主导性的中心或略微偏离中心的焦点",
      "scale": "足够大以便立即识别城市",
      "silhouette": "建筑结构准确",
      "detail": "可辨识但经过艺术简化",
      "depth": "与前景和背景清晰分离"
    },
    "foreground": {
      "purpose": "营造深度和身临其境的旅行体验",
      "automatically_select": [
        "观景点栏杆",
        "长廊",
        "公园",
        "街道",
        "滨水区",
        "露台",
        "山顶观景台",
        "历史步行区"
      ],
      "selection_rule": "选择任何能自然补充所选地标且对指定城市而言可信的前景环境。"
    },
    "background": {
      "include": [
        "适当时包含城市天际线",
        "可辨识的当地建筑",
        "自然地理",
        "地理上合适时包含水域",
        "地理上合适时包含山丘或山脉",
        "树木和景观"
      ],
      "rule": "背景元素必须支持城市的身份，且不与主要地标竞争。"
    }
  },
  "city_specific_environment": {
    "architecture": {
      "rule": "自动生成具有指定城市特征的周边建筑。",
      "accuracy": "建筑在比例、材料、比例、年代和建筑语汇方面应看起来具有合理的当地特色。"
    },
    "geography": {
      "rule": "仅在与城市真正相关时自动加入重要的地理特征。",
      "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": "柔和的分层纸雕叶子"
    },
    "transportation": {
      "rule": "当能增强城市身份时，可选地包含一个细微的可辨识当地交通元素。",
      "examples": [
        "电车",
        "有轨电车",
        "渡轮",
        "地铁入口",
        "缆车",
        "双层巴士",
        "无轨电车",
        "船"
      ],
      "restriction": "如果不符合城市特色，绝不要仅仅为了装饰而添加交通工具。"
    },
    "people": {
      "include": true,
      "quantity": "少量且稀疏",
      "style": "简化的纸雕旅行者和行人",
      "poses": [
        "行走",
        "仰望地标",
        "站在观景台",
        "坐着",
        "随意的观光"
      ],
      "rule": "人物是环境叙述元素，而非主要主体。"
    }
  },
  "color_system": {
    "base_palette": [
      "粉蓝色",
      "暖象牙色",
      "奶油色",
      "柔和的鼠尾草绿",
      "橄榄绿",
      "灰尘色",
      "柔和的米色",
      "低饱和度的陶土色"
    ],
    "city_adaptation": "调色板可能会根据城市的自然和建筑色彩进行细微调整，同时保持相同的柔和粉彩社论美学。",
    "saturation": "低到中等",
    "contrast": "柔和",
    "avoid": [
      "霓虹色",
      "极端饱和度",
      "生硬的黑色阴影",
      "高对比度的 HDR 外观"
    ]
  },
  "lighting": {
    "time": "愉快的白天",
    "quality": "柔和的漫射自然光",
    "atmosphere": "略带薄雾且宁静",
    "shadows": "柔和的分层纸张阴影",
    "highlight_behavior": "柔和的哑光高光",
    "overall_effect": "温暖、平静、电影感的旅游海报氛围"
  },
  "typography": {
    "placement": "左上角",
    "hierarchy": "城市名称最大，地点其次，地标第三",
    "city_name": {
      "content": "{{CITY_NAME}}",
      "case": "大写",
      "font": "简洁的现代几何无衬线体",
      "weight": "粗体",
      "size": "大号",
      "letter_spacing": "宽间距",
      "color": "暖白色"
    },
    "location_line": {
      "content": "{{LOCAL_CITY_NAME}} · {{STATE_REGION_OR_COUNTRY}}",
      "font": "简洁的极简无衬线体",
      "weight": "常规",
      "size": "小号",
      "letter_spacing": "适中",
      "color": "暖白色"
    },
    "landmark_line": {
      "content": "{{PRIMARY_LANDMARK_NAME}}",
      "font": "简洁的极简无衬线体",
      "weight": "常规",
      "size": "小号",
      "letter_spacing": "极宽",
      "case": "大写",
      "color": "暖白色"
    },
    "language": {
      "rule": "在有用时自动确定城市的当地语言表现形式。除非该城市的惯例强烈倾向于另一种文字，否则保留普遍认可的拉丁字符形式的主要城市名称。",
      "accuracy": "所有可见文本必须拼写正确。"
    }
  },
  "paper_material": {
    "paper": "高品质哑光美术纸",
    "grain": "细微且具有触感的纹理",
    "layers": "多个明显分离的纸张层",
    "edges": "略微不完美的手工切割边缘",
    "depth": "微妙真实的纸层分离感",
    "printing": "优质复古胶印特性",
    "finish": "柔和哑光存档级明信片"
  },
  "camera_and_perspective": {
    "viewpoint": "电影感的抬升旅游视角",
    "perspective": "自然的建筑透视",
    "lens_feel": "等效 40-50mm",
    "distortion": "极小",
    "framing": "平衡且经过精心美术指导的构图",
    "depth": "前景、中景、背景的强烈分离感"
  },
  "image_quality": {
    "resolution": "高分辨率",
    "detail": "高品质手工插画细节",
    "architecture": "干净且结构连贯",
    "composition": "专业的旅游宣传片品质",
    "consistency": "每一个物体都必须属于同一个物理纸雕世界"
  },
  "negative_prompt": [
    "写实摄影",
    "3D CGI",
    "塑料渲染",
    "通用的 AI 插画",
    "通用的城市天际线",
    "错误的地标",
    "来自另一个城市的地标",
    "虚构建筑",
    "地理上不可能的构图",
    "重复的地标",
    "变形的建筑物",
    "扭曲的建筑",
    "随机的摩天大楼",
    "不正确的当地地理",
    "过饱和色彩",
    "霓虹色",
    "光滑表面",
    "动漫",
    "卡通漫画",
    "扁平矢量艺术",
    "过多的轮廓线",
    "杂乱的构图",
    "太多人",
    "巨大的人物",
    "遮挡地标的前景主体",
    "错误的排版",
    "拼写错误的城市名称",
    "随机文本",
    "水印",
    "标志",
    "UI 元素",
    "边框",
    "框架"
  ],
  "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，则创建一个巴黎专属场景；如果输入东京，则创建一个东京专属场景；如果输入孟买，则创建一个孟买专属场景，依此类推。自动选择最具辨识度的地标、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。绝不复制另一个城市的视觉内容。在每个城市中都要保持固定的纸雕明信片美学、构图质量、排版层级、粉彩色调、触感纹理和优质的社论风格质感。"
}