scoring_breakdown:[{"source":"word_of_mouth","score":90.6,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价集中在\"专业感强\"和\"耐用\"两点。磨砂表面让刮墨更均匀,网格线辅助定位极大提升了练习效率。资深用户反馈使用半年后垫子依然平整无凹陷,清洁后如新。价格略高于国产品牌,但物有所值。少数用户认为网格线对新手稍显复杂,但适应后效果显著。好评率98%,复购率高。","source_count":2}},{"source":"objective","score":96,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.8,"review_count":12300,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":96,"weight":0.25,"confidence":1,"details":{"rating_avg":4.8,"review_count":12300,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@美甲师Lily:Moyou的垫子是我工作室的标配,网格线太实用了。","@印花控小A:磨砂面刮墨超顺滑,再也不怕打滑了。"]}}]