scoring_breakdown:[{"source":"word_of_mouth","score":77.1,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其性价比极高,60束大容量足够全头使用。弹力环设计对细软发质友好,不易滑脱。但部分用户指出混合发丝手感略粗糙,且高温丝部分在多次洗后会有毛躁。整体好评集中在价格实惠和增量效果明显,适合临时造型或新手尝试。","source_count":3}},{"source":"objective","score":86,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.3,"review_count":15200,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":86,"weight":0.25,"confidence":1,"details":{"rating_avg":4.3,"review_count":15200,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@学生党博主小C: '这个价格还要什么自行车,发量瞬间翻倍!'","@测评达人阿强: '弹力环很紧,但拆的时候要小心别扯到头发。'"]}}]