scoring_breakdown:[{"source":"word_of_mouth","score":87.1,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞其性价比高,魔术贴固定牢固不伤发,湿发使用后配合吹风机定型效果持久。部分用户反馈大号卷筒对短刘海偏大,建议根据刘海长度选择尺寸。也有用户提到多次使用后魔术贴粘性下降,但整体好评率超过90%,是入门级刘海造型工具的首选。","source_count":0}},{"source":"objective","score":92,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.6,"review_count":12800,"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":12800,"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":["@造型师小P:沙宣这套卷筒是新手也能驾驭的刘海工具,魔术贴设计比传统夹子更隐形。","@美妆博主阿花:湿发卷上吹一分钟,拆开就是完美内扣,着急出门必备。"]}}]