城市专属复古丝网印刷旅行海报

{
  "input": {
    "city_name": "{{USER_INPUT_CITY}}"
  },
  "reference_style": {
    "use_uploaded_reference_images": true,
    "reference_images_define": [
      "整体构图",
      "手工剪裁的丝网印刷美学",
      "醒目的黑色图形剪影",
      "有限的配色",
      "复古旅行海报风格",
      "粗糙的墨迹质感",
      "略显不完美的手工边缘",
      "超大尺寸的城市名称字体",
      "层叠排列的地标建筑",
      "底部交通元素",
      "奶油色/米白色纸张背景",
      "极简编辑式构图"
    ],
    "do_not_copy": [
      "特定地标",
      "特定城市名称",
      "特定交通工具",
      "特定配色组合",
      "精确的字体排版布局",
      "精确的地标位置"
    ]
  },
  "generation": {
    "type": "复古城市旅行海报",
    "aspect_ratio": "3:4",
    "resolution": "high",
    "orientation": "竖版",
    "city_adaptation": {
      "primary_rule": "一切都必须围绕用户的 city_name 重新设计。",
      "identify_city": true,
      "research_visual_identity": true,
      "landmarks": {
        "count": "4-7",
        "selection": "自动选择指定城市中最具辨识度、视觉上最独特的地标。",
        "prioritize": [
          "主要地标",
          "历史建筑",
          "现代建筑标志",
          "宗教或文化地标",
          "桥梁或纪念碑",
          "可辨识的天际线元素"
        ],
        "rendering": "将每个地标转化为简化、粗犷的黑色丝网印剪影，同时保留其可辨识的建筑特征。"
      },
      "transportation": {
        "automatically_select": true,
        "instruction": "选择与指定城市紧密关联的交通工具，例如出租车、有轨电车、公交车、地铁列车、嘟嘟车、缆车、人力车、经典老爷车、渡轮，或其他具有代表性的当地交通工具。",
        "placement": "沿底部边缘的大型前景元素",
        "style": "简化的复古丝网印插画"
      },
      "colors": {
        "automatically_adapt": true,
        "instruction": "选择一个包含2至4种颜色的克制色板，灵感来自该城市的视觉形象、当地交通、旗帜、建筑或文化色彩。",
        "black": "主导的图形油墨色",
        "background": "温暖的做旧奶油色纸张",
        "accent_colors": "具有城市特色且柔和，绝不过度饱和"
      },
      "typography": {
        "text": "{{USER_INPUT_CITY}}",
        "case": "大写",
        "style": "大号、粗犷、不规则的窄体展示字体",
        "placement": "醒目地融入地标之间或地标后方",
        "texture": "粗糙的印刷油墨",
        "alignment": "略显不完美且有机自然",
        "rule": "城市名称必须拼写完全正确且清晰易读。"
      },
      "secondary_text": {
        "enabled": false,
        "instruction": "不要添加任意标语、日期、旅游用语、说明文字或其他可读文字。"
      },
      "local_details": {
        "automatically_adapt": true,
        "instruction": "添加细腻的视觉细节，在不使构图拥挤的前提下，立即强化指定城市的特色。"
      }
    },
    "composition": {
      "layout": "编辑风格复古旅行海报",
      "landmarks": "围绕字体排版动态布置",
      "typography": "大型中心视觉锚点",
      "foreground": "一个具有代表性的城市交通元素",
      "depth": "平面图形分层，重叠极少",
      "negative_space": "充裕的奶油色留白",
      "balance": "不对称但视觉平衡",
      "cropping": "允许选定的地标或交通工具自然地向边缘延伸"
    },
    "art_direction": {
      "medium": "手工拉印丝网印/受木刻版画启发的旅行海报",
      "visual_language": [
        "粗犷剪影",
        "平面形状",
        "粗糙的油墨边缘",
        "可见的印刷颗粒",
        "细微的油墨磨损",
        "轻微的套印误差",
        "手工制作的不完美感",
        "平面编辑设计",
        "受20世纪中叶旅行海报影响"
      ],
      "linework": "强烈、厚重且简化",
      "texture": "真实的纸张颗粒和不均匀的油墨覆盖",
      "finish": "实体印刷作品，而非数字化的完美矢量图"
    },
    "background": {
      "color": "暖象牙色/做旧奶油色",
      "texture": "细微的天然纸张纤维",
      "pattern": "无",
      "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": [
      "地标选择",
      "地标布局",
      "交通工具",
      "色板",
      "当地视觉细节",
      "字体排版构成",
      "图形层级"
    ],
    "must_have": [
      "正确的城市名称",
      "该城市可辨识的地标",
      "具有城市特色的交通或出行元素",
      "温暖的奶油色纸张背景",
      "粗犷的黑色丝网印形态",
      "大号城市名称字体",
      "复古手工印刷质感",
      "统一连贯的旅行海报构图"
    ],
    "avoid": [
      "其他城市的地标",
      "泛泛的建筑",
      "泛泛的旅游形象",
      "照片级写实渲染",
      "3D渲染",
      "光泽渐变",
      "霓虹色",
      "现代企业风海报设计",
      "随机文字",
      "拼错的城市名称",
      "多余的标语",
      "水印",
      "标志",
      "AI伪影",
      "过于干净的矢量边缘"
    ]
  },
  "output_instruction": "创作一张完整的复古丝网印旅行海报，表现{{USER_INPUT_CITY}}。保留所提供参考图的艺术语言和视觉克制感，但完全重新设计地标、交通工具、点缀色和当地细节，使其真正属于指定城市。"
}

{
  "input": {
    "city_name": "{{USER_INPUT_CITY}}"
  },

  "reference_style": {
    "use_uploaded_reference_images": true,
    "reference_images_define": [
      "overall composition",
      "hand-cut screenprint aesthetic",
      "bold black graphic silhouettes",
      "limited color palette",
      "vintage travel poster character",
      "rough ink texture",
      "slightly imperfect handmade edges",
      "large oversized city typography",
      "layered landmark arrangement",
      "bottom transportation element",
      "cream/off-white paper background",
      "minimal editorial composition"
    ],
    "do_not_copy": [
      "specific landmarks",
      "specific city name",
      "specific vehicle",
      "specific color combinations",
      "exact typography arrangement",
      "exact landmark placement"
    ]
  },

  "generation": {
    "type": "vintage_city_travel_poster",
    "aspect_ratio": "3:4",
    "resolution": "high",
    "orientation": "portrait",

    "city_adaptation": {
      "primary_rule": "Everything must be redesigned around the user's city_name.",
      "identify_city": true,
      "research_visual_identity": true,

      "landmarks": {
        "count": "4-7",
        "selection": "Automatically select the most recognizable and visually distinctive landmarks of the specified city.",
        "prioritize": [
          "major landmark",
          "historic architecture",
          "modern architectural icon",
          "religious or cultural landmark",
          "bridge or monument",
          "recognizable skyline element"
        ],
        "rendering": "Convert each landmark into simplified bold black screenprint silhouettes while preserving its recognizable architectural identity."
      },

      "transportation": {
        "automatically_select": true,
        "instruction": "Choose a transportation vehicle strongly associated with the specified city, such as a taxi, tram, bus, metro train, tuk-tuk, cable car, rickshaw, classic car, ferry, or other iconic local transport.",
        "placement": "large foreground element along the bottom edge",
        "style": "simplified vintage screenprint illustration"
      },

      "colors": {
        "automatically_adapt": true,
        "instruction": "Select a restrained 2-4 color palette inspired by the city's visual identity, local transportation, flag, architecture, or cultural colors.",
        "black": "dominant graphic ink color",
        "background": "warm aged cream paper",
        "accent_colors": "city-specific and muted, never overly saturated"
      },

      "typography": {
        "text": "{{USER_INPUT_CITY}}",
        "case": "uppercase",
        "style": "large bold irregular condensed display lettering",
        "placement": "integrated prominently between or behind the landmarks",
        "texture": "rough printed ink",
        "alignment": "slightly imperfect and organic",
        "rule": "The city name must be perfectly spelled and clearly readable."
      },

      "secondary_text": {
        "enabled": false,
        "instruction": "Do not add arbitrary slogans, dates, tourist phrases, descriptions, or extra readable text."
      },

      "local_details": {
        "automatically_adapt": true,
        "instruction": "Add subtle visual details that immediately reinforce the identity of the specified city without overcrowding the composition."
      }
    },

    "composition": {
      "layout": "editorial vintage travel poster",
      "landmarks": "arranged dynamically around the typography",
      "typography": "large central visual anchor",
      "foreground": "one iconic city transportation element",
      "depth": "flat graphic layering with minimal overlap",
      "negative_space": "generous cream-colored negative space",
      "balance": "asymmetrical but visually balanced",
      "cropping": "allow selected landmarks or transportation to naturally extend toward the edges"
    },

    "art_direction": {
      "medium": "hand-pulled screenprint / linocut-inspired travel poster",
      "visual_language": [
        "bold silhouettes",
        "flat shapes",
        "rough ink edges",
        "visible print grain",
        "subtle ink distress",
        "slight registration imperfections",
        "handmade imperfections",
        "graphic editorial design",
        "mid-century travel poster influence"
      ],
      "linework": "strong, chunky and simplified",
      "texture": "authentic paper grain and uneven ink coverage",
      "finish": "physical printed artwork rather than digitally perfect vector art"
    },

    "background": {
      "color": "warm ivory / aged cream",
      "texture": "subtle natural paper fibers",
      "pattern": "none",
      "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": [
      "landmark selection",
      "landmark arrangement",
      "transportation",
      "color palette",
      "local visual details",
      "typographic composition",
      "graphic hierarchy"
    ],
    "must_have": [
      "correct city name",
      "recognizable landmarks from that city",
      "city-specific transportation or mobility element",
      "warm cream paper background",
      "bold black screenprint forms",
      "large city typography",
      "vintage handmade print texture",
      "cohesive travel-poster composition"
    ],
    "avoid": [
      "landmarks from other cities",
      "generic buildings",
      "generic tourist imagery",
      "photorealistic rendering",
      "3D rendering",
      "glossy gradients",
      "neon colors",
      "modern corporate poster design",
      "random text",
      "misspelled city name",
      "extra slogans",
      "watermarks",
      "logos",
      "AI artifacts",
      "overly clean vector edges"
    ]
  },

  "output_instruction": "Create a single finished vintage screenprint travel poster representing {{USER_INPUT_CITY}}. Preserve the artistic language and visual restraint of the supplied references, but completely redesign the landmarks, transportation, color accents and local details so they authentically belong to the specified city."
}