scoring_breakdown:[{"source":"word_of_mouth","score":87.1,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合天猫、京东、小红书等平台28万+条评论,该产品口碑极佳。优点方面:用户普遍认可其美白效果,坚持使用2-4周后关节、手肘等暗沉部位明显提亮;保湿力强,秋冬使用能有效缓解起皮;质地清爽,不粘衣服;性价比极高,大容量适合全家使用。缺点方面:部分用户反馈烟酰胺浓度较高,初期使用有轻微刺痛感,建议先建立耐受;香味偏浓,对气味敏感者可能不适;泵头设计偶有漏液问题。专业评测(如老爸评测)指出其烟酰胺纯度达标,但美白效果需长期坚持。","source_count":4}},{"source":"objective","score":92,"weight":0.1,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.6,"review_count":285000,"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":285000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["李佳琦:'凡士林这个身体乳,真的是一瓶搞定全身美白,学生党必入!'","小红书博主@护肤小能手:'用了两周,手肘白了两个度,而且完全不黏,夏天用太舒服了。'"]}}]