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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=16.51    clicks=27

[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=0.764   比值=1/15.3 acos=43.3%   20250726autoAddASIN / autoAddAsin
  asin  category="Slot Car Race Trac bid=0.06   自均CPC=0.499   比值=1/8.3  acos=50.4%   20250726autoAddASIN / autoAddAsin
  asin  asin="B0CHLHSXCW"            bid=0.04   自均CPC=0.425   比值=1/10.6 acos=64.0%   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
[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=27 cost=16.51  20260623_TR10_ASIN_API