新增 Pinterest 参考模式：独立于 Google Trends 的完整链路（12国种子词池 / LLM搜索词json_schema+防重复+已用词限100 / 并发爬图 / 多模态分析→原创简报 / 生图带爬取图参考图生图 / UI流程选择）

configs/pinterest/US.yaml

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+# Pinterest 参考模式种子词（面向视觉灵感，非热点关键词）
+# 用途：LLM 据此生成 Pinterest 搜索词 → 爬取图片 → 分析 → 生成 T 恤设计
+# 约束：避开品牌/角色/名人/宗教/国旗/酒精等侵权与敏感项
+seeds:
+  - vintage 70s retro
+  - desert southwest
+  - coastal beach vibes
+  - botanical illustration
+  - retro surf culture
+  - mountain landscape
+  - western cowboy
+  - minimalist line art
+  - american diner retro
+  - national park
+  - road trip
+  - skate culture
+  - floral watercolor
+  - celestial night sky
+  - mid-century modern
+  - boho festival
+  - grunge aesthetic
+  - cottagecore
+  - y2k fashion
+  - streetwear graphic
+  - retro arcade
+  - vintage travel poster
+  - abstract geometric
+  - hand drawn doodle
+  - retro sunset
+  - palm tree summer
+  - wild west
+  - space exploration
+  - ocean waves
+  - forest wildlife
+  - retro typography
+  - pop art
+  - art deco
+  - psychedelic
+  - vintage motorcycle
+  - retro camper van
+  - american classic car
+  - baseball retro
+  - basketball street
+  - hiking adventure