scoring_breakdown:[{"source":"word_of_mouth","score":71.5,"weight":0.35,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"拼多多、天猫评价显示,金稻 KD-388 是\"销量王\"级别的产品。优点:价格亲民,操作傻瓜式,拉直速度快(约5分钟),梳齿设计不易烫伤,适合新手。缺点:负离子效果不明显,温度控制不够精准,部分用户反映梳齿易脱落,耐用性一般,拉直效果不如夹板式持久。专业评测认为其适合应急或轻度造型,长期使用建议升级中端产品。","source_count":4}},{"source":"objective","score":86,"weight":0.2,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.3,"review_count":200000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":86,"weight":0.35,"confidence":1,"details":{"rating_avg":4.3,"review_count":200000,"source":"product_reviews_aggregate"}},{"source":"search_visual","score":68.94285714285714,"weight":0,"confidence":0.87,"details":{"result_count":7,"judgment_score":78,"authority_score":89.3,"top_sources":["zhihu.com","item.jd.com","bilibili.com","post.smzdm.com","baike.baidu.com"],"judgment_summary":"金稻KD-388直发梳以负离子护发和百元价位为卖点,适合日常快速造型,但定型持久度一般,性价比中等偏上。"}}]