scoring_breakdown:[{"source":"word_of_mouth","score":66.5,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价两极分化:正面评价集中在'价格便宜'和'上手简单',拼多多和天猫上大量好评称'第一次用接发就选它'。负面评价主要针对'材质偏硬'和'持久性差',部分用户反映化纤部分在阳光下反光明显,且胶水残留清理麻烦。专业评测认为,该产品适合短期造型或拍照,不适合长期佩戴。整体性价比高,复购率约20%。","source_count":4}},{"source":"objective","score":86,"weight":0.1,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.3,"review_count":11000,"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":11000,"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":["抖音测评博主@小李测评:『发饰界这个接发片,19.9元还要啥自行车?拍照戴一次绝对不亏。』","小红书学生党@小萌:『便宜是真便宜,但化纤部分有点假,建议只买深色款。』"]}}]