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US(GWOUD)  门槛=30%  门=cost>5  步长 up=0.02 down=0.05  条数=1
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20260623_TR10_ASIN_API / slotCar头部ASIN
  asin  asin="B0F2MKG232"               0.02 → 0.02    down  acos=inf     cost=13.74    clicks=23

[US(GWOUD)] 过暗闸拦截 4 条（bid 已低于自均 CPC 的 1/3，再降也拿不到量，停止降价）：
  asin  asin="B0F3J54JWD"            bid=0.05   自均CPC=0.757   比值=1/15.1 acos=44.1%   20250726autoAddASIN / autoAddAsin
  asin  category="Slot Car Race Trac bid=0.06   自均CPC=0.519   比值=1/8.7  acos=44.5%   20250726autoAddASIN / autoAddAsin
  asin  asin="B0F9YKVZQY"            bid=0.25   自均CPC=0.800   比值=1/3.2  acos=inf     20260623_TR10_ASIN_API / slotCar头部ASI
  asin  asin="B0CHLHSXCW"            bid=0.04   自均CPC=0.429   比值=1/10.7 acos=inf     20250726autoAddASIN / autoAddAsin
[US(GWOUD)] 地板价零单候选 1 条（建议人工暂停或删除，规则已无手段）：
  asin  asin="B0F2MKG232"            bid=0.02 clicks=23 cost=13.74  20260623_TR10_ASIN_API