scoring_breakdown:[{"source":"word_of_mouth","score":89.19999999999999,"weight":0.35,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合京东、天猫、小红书等平台近6万条评价,Keep 足底筋膜球获得4.7分高分。用户普遍称赞其\"性价比极高\"、\"按压感舒适\"、\"缓解足底酸痛效果明显\"。专业评测指出,其凸点设计能精准刺激足弓关键点,对改善足底筋膜炎有辅助作用。缺点方面,部分用户反映硬度对初学者稍高,初次使用需适应;另有少数反馈球体表面易沾灰。总体而言,作为一款20-40元价位的产品,其品质和效果远超预期,是全网公认的入门首选。","source_count":4}},{"source":"objective","score":94,"weight":0.2,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.7,"review_count":58000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":94,"weight":0.35,"confidence":1,"details":{"rating_avg":4.7,"review_count":58000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["小红书运动博主@跑步的鱼:Keep这个筋膜球才30多块,但效果比我之前买的100多的还好,足底放松必备!","B站健身UP主@灵魂健身杨老师:足底筋膜放松是跑者必修课,Keep这款球硬度刚好,推荐新手入门用。"]}}]