scoring_breakdown:[{"source":"word_of_mouth","score":84.1,"weight":0.35,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合京东、天猫等平台9万余条评价,用户普遍认为\"性价比高\"\"梳头舒服\"。优点包括:宽齿设计不易卡发,湿发使用效果不错;气垫按摩感明显,能缓解头皮疲劳;价格实惠,适合学生党。缺点方面:部分用户反映气垫使用一段时间后弹性下降;梳齿较硬,敏感头皮用户可能觉得不够柔和;也有用户指出手柄连接处偶有松动。专业评测认为,其综合性能在50元以下价位段表现突出,但细节做工与高端品牌仍有差距。","source_count":4}},{"source":"objective","score":90,"weight":0.2,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.5,"review_count":92000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":90,"weight":0.35,"confidence":1,"details":{"rating_avg":4.5,"review_count":92000,"source":"product_reviews_aggregate"}},{"source":"search_visual","score":69.57499999999999,"weight":0,"confidence":0.81,"details":{"result_count":6,"judgment_score":82,"authority_score":85.8,"top_sources":["zhihu.com","item.jd.com","bilibili.com","post.smzdm.com","baike.baidu.com"],"judgment_summary":"沙宣VS-3301宽齿按摩梳气垫设计舒适,适合湿发和敏感头皮,性价比高,但气垫不可拆卸清洗且手柄偏短,综合表现良好。"}}]