scoring_breakdown:[{"source":"word_of_mouth","score":84.1,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价集中在\"操作省力、卷度自然\",尤其适合长发及肩或更长发质。多数反馈称自动卷入功能对新手友好,但需注意发尾不能分叉,否则易卡发。部分用户反映持久度中等(约5小时),建议卷后冷风定型。性价比获广泛认可,被称作\"百元级自动卷发器天花板\"。","source_count":0}},{"source":"objective","score":92,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.6,"review_count":42000,"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":42000,"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":["@发型师Tony:雷瓦这款自动卷发器在200元价位段几乎没有对手。","@生活家Vivian:卷完头发很有光泽,而且不会像传统卷发棒那样烫到耳朵。"]}}]