intros：{"brand_intro":"Oral-B（欧乐B）是全球知名口腔护理品牌，隶属于宝洁公司，起源于1950年美国牙医Dr. Robert Hutson。品牌以\"牙医推荐品牌\"为定位，专注电动牙刷、牙线等产品研发，拥有多项专利技术如3D清洁、圆头刷头。iO系列是其高端智能产品线，融合微震技术与智能感应，在全球市场享有极高声誉，在中国高端电动牙刷领域占据领先地位。","product_intro":"Oral-B iO3发光牙刷是iO系列入门款，主打智能清洁与可视化引导。机身配备环形LED灯带，刷牙时通过灯光颜色反馈清洁压力：绿色表示正常，红色表示用力过大。采用iO微震技术，每分钟40000次微震动配合左右旋转，深入齿缝清洁。内置2分钟智能计时及30秒换区提醒。支持蓝牙连接Oral-B App，实时追踪刷牙习惯。IPX7防水，续航约2周。","key_specs":["清洁技术：iO微震+左右旋转","震动频率：40000次/分钟","压力感应：LED灯带反馈（绿/红）","智能功能：蓝牙App连接、计时提醒","防水等级：IPX7","续航时间：约14天（感应充电）"]}
scoring_breakdown：[{"source":"word_of_mouth","score":92,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户高度评价其压力感应LED灯带，认为能有效防止刷牙过度导致牙龈出血。清洁效果显著，多数用户反映使用后牙齿表面更光滑。App功能丰富，但部分用户认为连接稳定性有待提升。续航较短（2周）是主要槽点，需频繁充电。刷头替换成本较高，但整体做工精致，品牌信赖度强。","source_count":0}},{"source":"objective","score":94,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.7,"review_count":38000,"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":38000,"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.李：iO3的压力灯带是亮点，能直观教会用户正确力度，减少牙龈损伤。","@数码评测师小宇：App记录很详细，适合想系统改善刷牙习惯的人。"]}}]