scoring_breakdown:[{"source":"word_of_mouth","score":91.5,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价极高,普遍认为防滑效果优于普通垫子,打蛋时碗盆纹丝不动。加厚材质手感扎实,揉面不滑动且不易变形。易清洗,水冲即净,不留异味。部分用户提到价格略高于同类产品,但认为质量对得起价格。少数反馈边缘容易翘起,但整体满意度达98%,是烘焙爱好者回购率较高的单品。","source_count":3}},{"source":"objective","score":96,"weight":0.2,"confidence":0.7,"details":{"dimension":"durability","rating_avg":4.8,"review_count":22000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":96,"weight":0.45,"confidence":1,"details":{"rating_avg":4.8,"review_count":22000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["烘焙博主@糖糖妈:展艺这款垫子是我用过最稳的,打蛋器开到最大档都不会跑。","美食博主@老饭骨:加厚设计揉面很舒服,推荐给经常做面包的朋友。"]}}]