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、小红书等平台近20万条评价,施华蔻怡然染发霜整体口碑优秀。优点集中在:1)气味淡雅,不刺鼻,适合对化学气味敏感的用户;2)染后发色自然,白发遮盖效果均匀,无明显色差;3)染后发质顺滑,不易干枯。缺点方面:部分用户反映深色系(如自然黑)上色过深,略显死板;少数敏感头皮用户反馈有轻微刺痛感;持色时间在频繁洗头后(每日一洗)约3周左右,略短于官方宣称。专业评测机构(如老爸评测)指出其重金属含量符合国标,安全性较高。小红书博主普遍推荐作为\"入门级遮白发染发剂\",性价比突出。","source_count":4}},{"source":"objective","score":92,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.6,"review_count":185000,"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":185000,"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":[{"source":"小红书美妆博主@小A的变美日记","quote":"施华蔻怡然是我用过最不伤头发的遮白发染发剂,染完头发像做了发膜一样顺滑。"},{"source":"抖音测评达人@老爸测评","quote":"成分安全,无氨配方对头皮友好,白发遮盖效果实测优秀,推荐给有遮白需求的朋友。"}]}}]