scoring_breakdown:[{"source":"word_of_mouth","score":79.19999999999999,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为性价比超高,百元价位实现顺滑造型。负离子效果明显,使用后头发不毛躁。防烫梳齿设计安全,新手易上手。但部分用户反馈高温档位有轻微塑料味,且持久度不如高端产品。整体评价为\"学生党必备,日常造型足够\"。","source_count":0}},{"source":"objective","score":90,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.5,"review_count":42000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":90,"weight":0.25,"confidence":1,"details":{"rating_avg":4.5,"review_count":42000,"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":["@平价好物推荐官:金稻这款直发梳不到200块,效果不输大牌。","@学生党小张:宿舍必备,早上梳两下就出门,省时省钱。"]}}]