intros：{"brand_intro":"MAC（Make-up Art Cosmetics）由专业彩妆师Frank Toskan和摄影师Frank Angelo于1984年在加拿大多伦多创立。品牌以专业彩妆为核心，尤其以刷具和底妆闻名全球。MAC刷具坚持手工组装，采用高品质合成纤维与天然毛发混合，确保抓粉力与晕染效果。品牌倡导\"All Ages, All Races, All Genders\"的包容理念，是纽约时装周后台御用品牌。其刷具生产线经过严格品控，每支刷子需通过15道质检工序，确保零掉毛、零扎脸。MAC在中国市场拥有极高知名度，被美妆爱好者誉为\"彩妆刷具的标杆\"。","product_intro":"MAC #242S是一款专为眼影膏、眼影霜及液体眼影设计的扁头刷。刷头采用扁平舌形设计，宽度适中，能精准蘸取膏体并均匀铺展于眼皮。核心卖点在于其合成纤维刷毛，触感柔软且不吸水，避免膏体残留导致结块。适用于日常通勤快速上妆、舞台浓妆及专业化妆师工作场景。相比同价位竞品（如植村秀#10），#242S刷头更薄，能更精细地控制眼影膏范围，尤其适合亚洲人眼型。用户反馈其\"一刷成型\"，无需多次叠加即可达到饱和显色。","key_specs":{"刷毛材质":"高品质合成纤维（PBT），触感柔滑，耐油脂腐蚀","刷柄材质":"木质刷柄+哑光漆面，防滑防潮，符合人体工学","刷头形状":"扁平舌形，宽度约8mm，适合精准涂抹眼影膏","适用产品":"眼影膏、眼影霜、液体眼影、眼部打底膏","清洁方式":"建议每周用专业刷具清洁液清洗，自然晾干"}}
scoring_breakdown：[{"source":"word_of_mouth","score":90.79999999999998,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合天猫、京东及小红书超1.2万条评价，用户普遍称赞#242S\"不吃粉、易清洗\"，刷毛密度高且弹性适中，能轻松推开厚重眼影膏。专业美妆博主\"小猪姐姐\"在测评中称其为\"眼影膏刷的天花板\"。缺点方面，部分用户反映刷柄略短（约15cm），化妆镜前操作时需调整角度；另有少数反馈合成纤维在极端干燥环境下会产生静电，但整体瑕不掩瑜。在什么值得买上，该刷具长期位列\"眼影刷口碑榜\"前三，复购率高达35%。","source_count":4}},{"source":"objective","score":94,"weight":0.1,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.7,"review_count":12500,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":94,"weight":0.25,"confidence":1,"details":{"rating_avg":4.7,"review_count":12500,"source":"product_reviews_aggregate"}}]