intros：{"brand_intro":"欧乐B（Oral-B）是全球口腔护理领导品牌，隶属于宝洁公司，成立于1950年。品牌以\"刷得干净，用得放心\"为理念，首创圆形刷头电动牙刷，在电动牙刷领域市占率全球第一。欧乐B拥有多项专利技术，如3D清洁、压力感应等，产品通过美国牙科协会认证，深受专业牙医推荐。","product_intro":"欧乐B Pro 3采用3D声波+旋转清洁技术，左右摆动8800次/分钟+前后震动40000次/分钟，可有效清除牙菌斑。配备EB50超细毛刷头，刷毛末端磨圆处理，适合敏感牙龈。内置2分钟智能计时和30秒换区提醒，支持IPX7级防水。该型号主打\"美白抛光\"，通过高速旋转去除茶渍、咖啡渍，适合追求高效清洁的用户。","key_specs":["清洁技术：3D声波+旋转","震动频率：40000次/分钟（前后）+8800次/分钟（左右）","刷头型号：EB50超细毛","防水等级：IPX7","续航时间：约7天（充电式）","模式：日常清洁/敏感/美白"]}
alt_products：[{"product_name":"欧乐B Pro 3 电动牙刷","brand":"欧乐B","model":"D12.513K","price":299}]
scoring_breakdown：[{"source":"word_of_mouth","score":90.79999999999998,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户称赞清洁力强，使用一周后牙齿表面明显光滑。天猫评分4.9，京东好评率99%。部分用户反映噪音较大，且刷头替换成本较高（约40元/个）。整体评价为\"电动牙刷入门首选\"，美白效果显著，尤其适合咖啡爱好者。","source_count":0}},{"source":"objective","score":96,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.8,"review_count":320000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":96,"weight":0.25,"confidence":1,"details":{"rating_avg":4.8,"review_count":320000,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@牙医Dr.王：欧乐B的圆形刷头能包裹每颗牙齿，清洁效率比手动牙刷高3倍。","@数码博主阿强：Pro 3性价比很高，比飞利浦同价位产品清洁力更强。"]}}]