scoring_breakdown:[{"source":"word_of_mouth","score":73.8,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"Gellen 36W 在低价位段表现亮眼,拼多多累计评价超10万条。优点:价格极低(常低于80元)、便携性强、操作简单、适合入门。小红书上有大量\"9.9元美甲灯\"的笔记(实际到手价约79元)。缺点:功率不足,深色胶或厚涂需要照2-3次;灯珠排列稀疏,边缘容易照不干;做工一般,部分用户反馈按键不灵敏。专业评测指出其紫外泄漏量在安全范围内,但均匀度较差。总体适合预算极低或仅偶尔使用的用户。","source_count":4}},{"source":"objective","score":90,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.5,"review_count":45000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":90,"weight":0.25,"confidence":1,"details":{"rating_avg":4.5,"review_count":45000,"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":["@学生党小美(小红书):\"39元入手,虽然要照久一点,但做出来的美甲也能维持两周,还要什么自行车!\"","@美甲避坑指南(抖音):\"Gellen 36W只适合做简单单色,想玩复杂款式建议加钱上SunUV。\""]}}]