scoring_breakdown:[{"source":"word_of_mouth","score":81.4,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为气压按摩感真实,性价比极高。热敷功能在秋冬季节很受欢迎。分体设计方便不同脚型用户调整位置。部分用户指出气压噪音略大(约45dB),夜间使用可能影响他人。贴片固定带偏窄,脚宽用户反馈容易滑脱。整体评价以正面为主,适合预算有限或初次尝试足部按摩贴的消费者。","source_count":0}},{"source":"objective","score":88.00000000000001,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.4,"review_count":21000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":88,"weight":0.25,"confidence":1,"details":{"rating_avg":4.4,"review_count":21000,"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":["@数码测评师老张:199元能买到气压按摩,还要什么自行车?","@宝妈小薇:分体设计可以一边带娃一边按脚,很灵活。"]}}]