scoring_breakdown:[{"source":"word_of_mouth","score":86.5,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"评价集中在\"性价比极高\"和\"操作简单\"上。多数用户表示能快速拉直自然卷,且不伤发。精油涂层受到好评,使用后头发有淡淡香味。部分用户反映温度档位标识不够清晰,初次使用需摸索。长期使用后梳齿涂层有轻微脱落现象,但整体耐用度符合价位预期。被广泛推荐为\"学生党必备直发梳\"。","source_count":0}},{"source":"objective","score":90,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.5,"review_count":120000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":90,"weight":0.25,"confidence":1,"details":{"rating_avg":4.5,"review_count":120000,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.4,"details":{"kol_count":2,"scored_count":2,"matched_count":0,"base_score":82,"weighted_score":80,"sample":["\"金稻这款直发梳我用了两年,性价比真的无敌。\"——@生活博主小李","\"精油涂层太加分了,梳完头发又顺又亮。\"——@美妆达人CC"]}}]