本網站所提供的所有手冊皆為一次性付款，您可透過數位下載方式終身存取所購買之內容。無需支付定期帳單或訂閱費用。所有價格如有變動，將盡可能提前於網站公告，恕不另行個別通知。

本網站僅處理完成訂單所需的基本付款資訊，所有付款均經由我們授權的第三方支付服務供應商及支付處理夥伴負責，其依據當地法律及相關規範提供服務。我們不會保存您的完整付款資料。

我們對所有數位下載產品提供 30天退款保障，但須符合以下條件：

• 若您尚未下載或存取所購買的內容，可於購買日起30天內申請全額退款。

• 若您已於30天內下載或存取該產品，但對內容不滿意，我們可提供 等值之手冊兌換抵用金 或 恢復您的下載權限。

• 若您已下載且超過30天，或已表示不再需要該產品，需提供未曾使用該手冊之合理證明（如刪除記錄、未轉發證明等），我們將視情況處理退款申請。

為防止不當下載及濫用退款機制，我們將記錄包括 IP 位址、裝置位置及存取時間等相關資訊，用於必要時的申訴與審核依據。

如需辦理退款，請透過電子郵件聯絡我們：kwan630191649@gmail.com，並提供訂單編號與相關說明，我們將儘速處理您的申請。

All manuals provided on this website are available for a one-time payment, enabling you to access the purchased content for a lifetime through digital downloads. There is no need to pay regular bills or subscription fees. Any changes in prices will be announced on the website as far in advance as possible, and no individual notifications will be issued.
This website only processes the basic payment information necessary for completing orders. All payments are handled by our authorized third-party payment service providers and payment processing partners, who provide services in accordance with local laws and relevant regulations. We do not retain your complete payment information.
We offer a 30-day money-back guarantee for all digital download products, subject to the following conditions:
If you have not downloaded or accessed the purchased content, you may apply for a full refund within 30 days from the date of purchase.
If you have downloaded or accessed the product within 30 days but are not satisfied with the content, we can offer you an equivalent manual exchange credit or restore your download privileges.
If you have downloaded it and over 30 days have passed, or you have indicated that you no longer need the product, you will need to provide reasonable proof that the manual has not been used (such as deletion records, proof of non-forwarding, etc.), and we will process the refund application as appropriate.
To prevent improper downloading and abuse of the refund mechanism, we will record relevant information including IP addresses, device locations, and access times, which will serve as the basis for complaints and reviews when necessary.
To request a refund, please contact us via email at kwan630191649@gmail.com, providing your order number and relevant explanations. We will process your application as soon as possible.