scoring_breakdown:[{"source":"word_of_mouth","score":88.89999999999999,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"天猫好评率97%,累计评价1.2万条。用户评价集中在\"抛光效果惊艳\",使用后脚背、脚踝等部位明显变滑嫩。相比粗磨头,这款更温和,不会造成泛红或刺痛。适合每周使用1-2次维持足部状态。部分用户认为去老茧能力较弱,更适合死皮不严重的人群。替换头寿命较长,使用半年后抛光效果依然不错。","source_count":0}},{"source":"objective","score":92,"weight":0.1,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.6,"review_count":12300,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":92,"weight":0.25,"confidence":1,"details":{"rating_avg":4.6,"review_count":12300,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@护肤达人Cici:超细抛光头太适合我这种薄皮了,用完脚像剥了壳的鸡蛋,强烈推荐!","@测评师老张:如果你脚上没什么老茧,只想日常保养,买这个就对了,细滑感能维持好几天。"]}}]