intros：{"brand_intro":"松下是日本百年电子巨头，成立于1918年，创始人松下幸之助以\"自来水哲学\"闻名，即让产品像水一样便宜且普及。松下个护电器部门专注于高端美发工具，其纳米水离子技术（nanoe）是核心专利，能产生比普通负离子更细小的水离子，深层渗透发丝，补水保湿。松下梳子产品线定位中高端，品控严格，所有产品均在日本或中国工厂按照统一标准生产，并通过多项国际安全认证。品牌在亚洲市场拥有极高声誉，尤其受注重护发品质的消费者青睐。","product_intro":"松下EH-HE94纳米水离子护发梳是品牌旗舰级产品，定位高端护发市场。核心卖点是搭载松下独家nanoe技术，能产生含水量为普通负离子1000倍的纳米水离子，深入毛鳞片补充水分，同时抑制静电和紫外线损伤。梳齿采用可拆卸设计，方便清洁，并配有离子发射口。适用于干枯、毛躁、烫染受损发质，尤其适合长期使用吹风机或卷发棒的人群。相比飞科负离子梳，松下效果更持久且护发更深入，但价格高出4倍。竞品如戴森梳子价格更高（约500元），松下在性价比和口碑上更均衡。","key_specs":{"离子技术":"纳米水离子（nanoe），含水量为负离子1000倍","梳齿材质":"不锈钢+树脂涂层，防静电","供电方式":"内置锂电池，USB充电","适用发质":"干枯、毛躁、烫染受损发质","尺寸":"约21cm x 6cm，带充电底座","防水等级":"IPX4（防溅水）"}}
scoring_breakdown：[{"source":"word_of_mouth","score":93.5,"weight":0.35,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合京东、天猫等平台3.5万条评价，用户普遍称赞其\"补水效果明显\"\"梳后头发有光泽\"。专业评测机构\"太平洋电脑网\"指出，纳米水离子能有效降低发丝表面摩擦系数，减少毛躁。优点：护发效果显著、做工精致、充电方便。缺点：价格较高（约299元）、梳齿偏硬、部分用户反映离子发射口易堵塞。小红书博主\"护发达人\"评价：\"用了两周，头发真的不毛了，但价格小贵。\" 什么值得买用户\"数码控\"表示：\"比普通负离子梳强很多，但需要定期清洁发射口。\" 总体满意度高，适合预算充足且追求护发效果的用户。","source_count":4}},{"source":"objective","score":92,"weight":0.2,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.6,"review_count":35000,"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":35000,"source":"product_reviews_aggregate"}},{"source":"search_visual","score":71.34285714285714,"weight":0,"confidence":0.87,"details":{"result_count":7,"judgment_score":82,"authority_score":89.3,"top_sources":["zhihu.com","item.jd.com","bilibili.com","post.smzdm.com","baike.baidu.com"],"judgment_summary":"松下EH-HE94纳米水离子护发梳在顺发、抚平毛躁方面表现优秀，适合日常快速造型，但续航和噪音控制有提升空间。"}}]