intros：{"brand_intro":"MAC（Make-up Art Cosmetics）创立于1984年加拿大，现为雅诗兰黛集团旗下专业彩妆品牌。品牌以\"所有年龄、所有人种、所有性别\"为核心理念，最初为专业化妆师打造，后风靡全球。MAC在唇部产品领域拥有极高话语权，其子弹头唇膏系列是行业标杆。品牌坚持零残忍（Cruelty-free）政策，部分产品已获得Leaping Bunny认证。品控以\"显色度、持久度、专业度\"三高标准著称，全球每年推出超过50个限量色号，是时装周后台御用品牌。","product_intro":"Prep + Prime Lip 是MAC专为唇部打底设计的妆前乳，定位为\"唇妆隐形画布\"。核心卖点在于其独特的丝滑硅基配方，能瞬间填平唇纹、淡化唇周暗沉，同时吸附多余油脂，使后续唇膏更显色、更持久、不晕染。适用场景包括日常通勤、重要约会、拍摄及舞台妆。相比普通润唇膏，它不含油脂，不会改变唇膏质地；相比同类妆前产品，其哑光控油效果更突出，尤其适合搭配哑光唇釉或液体唇膏。","key_specs":{"容量":"1.7g / 标准装","核心成分":"硅石、维生素E、霍霍巴籽油","质地":"丝滑哑光膏体","适配人群":"所有肤质，尤其适合唇纹深、唇色不均者","色号":"透明无色","防晒值":"SPF15（部分批次）"}}
scoring_breakdown：[{"source":"word_of_mouth","score":89.89999999999999,"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8.5万条评价，该产品口碑呈现两极分化但总体好评。优点：绝大多数用户认可其\"瞬间平滑唇部\"的效果，能显著减少唇膏卡纹现象；控油能力出色，使唇妆持久度提升30%以上；无味无刺激，敏感唇可用。缺点：部分用户反馈膏体偏硬，涂抹时需用力；硅感较重，部分人觉得像在嘴唇上涂了一层蜡；容量较小（1.7g），性价比偏低。专业评测机构（如美丽修行）给出4.5分，认为其成膜技术领先，但建议搭配滋润型唇膏使用。","source_count":4}},{"source":"objective","score":92,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.6,"review_count":85000,"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":85000,"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":"李佳琦","quote":"如果你涂哑光唇膏总是起皮卡纹，买它！这就是你的嘴唇救星。"},{"source":"Pony（朴惠敏）","quote":"MAC这支妆前乳是我后台化妆包里永远会备一支的产品，能让唇妆看起来更高级。"}]}}]