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、小红书等平台超12万条评价,用户普遍认可其美白效果和清爽使用感。优点:滚珠设计方便卫生,尤其适合手肘、膝盖等局部暗沉;双管保鲜技术让成分活性更高,连续使用2-4周可见肤色提亮;保湿力好,干皮夏季使用也足够。缺点:部分用户反映滚珠出液量偏少,需要多次滚动;大容量瓶身较重,携带不便;极少数敏感肌反馈有轻微刺痛感,建议先局部测试。专业评测指出,其美白成分浓度适中,适合长期使用,但见效速度不如高浓度猛药型产品。","source_count":4}},{"source":"objective","score":92,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.6,"review_count":125000,"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":125000,"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":["李佳琦:这个双管设计真的很聪明,美白成分和保湿成分分开,用的时候才混合,活性保持得特别好。","小红书护肤博主@小A:坚持用了三周,膝盖颜色真的淡了,而且滚珠按摩好舒服,懒人必备。"]}}]