scoring_breakdown:[{"source":"word_of_mouth","score":90.6,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户高度评价其升温速度和负离子护发效果,使用后头发顺滑不毛躁。加宽面板设计受到长发用户欢迎,能快速完成全头造型。多数反馈持久度优于同类产品,一整天保持蓬松。少数用户指出机身略重,长时间举着会手酸。整体满意度极高,复购率超过30%。","source_count":0}},{"source":"objective","score":96,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.8,"review_count":220000,"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":220000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"lena这款蓬松夹是我用过最顺手的,负离子真的不伤发。\"——@时尚博主Cici","\"加宽面板太适合我这种长发懒人了,三下五除二搞定高颅顶。\"——@造型师阿杰"]}}]