优化：商品及订单优惠价格；支付说明；

locale/en.json

@@ -16,7 +16,8 @@
     "dataNull": "No data available",
     "networkConnectionError": "Network connection error.",
     "loginExpired": "Login expired. Please log in again.",
-    "requestException": "Request exception"
+    "requestException": "Request exception",
+    "coin": "Coin"
   },
   "tabar.course": "COURSE",
   "tabar.book": "EBOOK",
@@ -237,7 +238,6 @@
     "amount": "Amount",
     "paymentMethod": "Payment Method",
     "googlePay": "Google Pay",
-    "virtualCoin": "Virtual Coin",
     "balance": "Balance",
     "confirm": "Confirm Order",
     "creating": "Creating order...",
@@ -246,6 +246,7 @@
     "paymentFailed": "Payment failed",
     "paymentCancelled": "Payment cancelled",
     "insufficientBalance": "Insufficient virtual coin balance",
+    "invalidPaymentAmount": "Final amount calculation incomplete",
     "googlePayNotAvailable": "Google Pay not available",
     "productNotFound": "Product not found",
     "orderCreateFailed": "Failed to create order",
@@ -420,11 +421,9 @@
     "coupon": "Coupon",
     "points": "Points",
     "vipDiscount": "VIP Exclusive Discount",
-    "activityDiscount": "Activity Discount",
-    "districtDiscount": "Regional Discount",
+    "promotionDiscounted": "Promotion Discount",
     "actualPayment": "Total",
     "paymentMethod": "Payment Method",
-    "virtualCoin": "Virtual Coin",
     "balance": "Balance",
     "recharge": "Recharge Now",
     "remark": "Order Remark",
@@ -451,14 +450,11 @@
     "duplicateConfirm": "Continue",
     "duplicateCancel": "Cancel",
     "customerService": "Customer Service",
-    "paymentTip": "1 Virtual Coin = 1 CNY",
     "paymentTipTitle": "Notes",
-    "paymentTip1": "1. 1 Virtual Coin = 1 CNY",
-    "paymentTip2": "2. For questions, please call customer service",
-    "paymentTip3": "3. Non-mainland China users can pay by credit card. Simple and fast, recommended! Credit cards with Visa or MasterCard logos are accepted. Please send payment request to email",
-    "paymentTip3_1": "(click to copy) with course name, amount, registered name and phone number, or add WeChat customer service (",
-    "paymentTip3_2": ") (click to copy). We will send payment link within 24 hours.",
-    "ensureBalance": "Ensure sufficient virtual coin balance",
+    "paymentTip1": "1.1 points = 1 Tianyi coin",
+    "paymentTip2-1": "2.1 For assistance, please contact our customer service on WeChat",
+    "paymentTip2-2": "or by email at",
+    "ensureBalance": "Ensure sufficient Tianyi coin balance",
     "vipLabel": "VIP Discount",
     "activityLabel": "Activity Price",
     "vipPriceLabel": "VIP Price",