https://unwire.hk/2025/02/17/wechat-deepseek-ai-integration/ai/
https://cc-times.com/posts/27400
省到累積：Bal b/f TW$48,817 +早餐TW$0 +午餐TW$0 +晚餐TW$0 +當天用膳共少於96台幣可得TW$32 +不約人用膳TW$32 +當
省到水電：Bal b/f TW$20,075+TW$365=TW$20,440 Bal c/f
