scoring_breakdown:[{"source":"word_of_mouth","score":85.89999999999999,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反馈发热速度快,温度适中不烫手,适合冬季户外或办公室使用。部分用户提到粘贴牢固度一般,建议配合手套使用。性价比高,回购率较高,尤其受女性用户和老年人欢迎。少数用户反映发热时间略短于标注,但整体满意度较高。","source_count":0}},{"source":"objective","score":92,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.6,"review_count":15800,"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":15800,"source":"product_reviews_aggregate"}},{"source":"expert","score":83.2,"weight":0.15,"confidence":0.8,"details":{"kol_count":3,"scored_count":3,"matched_count":3,"base_score":88,"weighted_score":80,"sample":["@美妆测评师小A:冬天写作业必备,手再也不僵了。","@生活达人老李:比暖宝宝更贴合手部,发热均匀。","@养生博主小C:适合体寒女生,暖手又暖身。"]}}]