scoring_breakdown:[{"source":"word_of_mouth","score":87.1,"weight":0.35,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合京东、天猫、小红书等平台超85万条评价,用户普遍反馈使用2-4周后牙齿明显变白,茶渍和烟渍淡化效果显著。优点包括:起泡丰富、口感清凉、不刺激牙龈、性价比极高。缺点方面,部分用户反映对顽固的四环素牙或氟斑牙效果有限,且长期使用后美白效果进入平台期。专业评测机构(如老爸评测)指出,其美白效果主要针对表面色斑,对深层内源性变色无效,但作为日常维护牙膏,安全性优于高浓度过氧化物产品。","source_count":4}},{"source":"objective","score":92,"weight":0.2,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.6,"review_count":850000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":92,"weight":0.35,"confidence":1,"details":{"rating_avg":4.6,"review_count":850000,"source":"product_reviews_aggregate"}},{"source":"search_visual","score":71.23571428571428,"weight":0,"confidence":0.87,"details":{"result_count":7,"judgment_score":82,"authority_score":88.6,"top_sources":["zhihu.com","item.jd.com","bilibili.com","smzdm.com","baike.baidu.com"],"judgment_summary":"佳洁士3D炫白双效牙膏在美白效果与性价比上表现均衡,适合日常去渍需求,但对敏感牙齿可能有轻微刺激,总体值得推荐。"}}]