feat: 新增多语言文案与组件国际化适配

本次提交完成了大量多语言相关的新增与优化工作：
1. 新增充值、案例、会员资产、订单等页面的中文/英文翻译文案
2. 新增企业微信客服、时间选择、支付弹窗等组件的多语言包
3. 优化工具函数与自定义页面的多语言适配，替换硬编码提示文案
4. 新增会员等级规则、积分商品、退款管理等页面的国际化支持
5. 修复企业微信JS-SDK的错误提示文案硬编码问题

lang/en-us/member/level.js

@@ -1,5 +1,5 @@
 export const lang = {
-	//title为每个页面的标题
+	//title is the title of each page
 	title: 'Member Level',
 	defaultLevelTips: 'You are already the highest level member!',
 	tag: 'Exclusive Tag',
@@ -13,5 +13,48 @@ export const lang = {
 	equity: 'Benefits',
 	giftPackage: 'Upgrade Gift Pack',
 	levelExplain: 'Level Explanation',
-	upgradeTips: 'Upgrade membership to enjoy exclusive benefits'
-}
+	upgradeTips: 'Upgrade membership to enjoy exclusive benefits',
+	// Current level label
+	currentLevelLabel: 'Current Level: ',
+	// Growth rules
+	growthRules: 'Growth Rules',
+	// Current level tag
+	currentLevelTag: 'Current Level',
+	// Current growth value
+	currentGrowthValue: 'Current Growth',
+	// Next level progress tip
+	growthToNextLevel: 'Earn {needGrowth} more growth points to become {levelName}',
+	// Max level reached
+	maxLevelReached: 'You have reached the highest level',
+	// Member benefits
+	memberBenefits: 'Member Benefits',
+	// Free shipping
+	freeShipping: 'Free Shipping',
+	freeShippingDesc: 'Free shipping on all products',
+	// Consumption discount
+	consumptionDiscount: 'Consumption Discount',
+	noDiscountDesc: 'No consumption discount or other benefits',
+	discountDescWithValue: 'Enjoy {discount}% consumption discount',
+	// Points reward
+	pointsReward: 'Points Reward',
+	pointsRewardDesc: 'Earn {multiplier}x points multiplier',
+	// Member gift pack
+	memberGift: 'Member Gift Pack',
+	// Points gift
+	pointsGift: 'Points Gift',
+	giftPoints: 'Gift: {points} points',
+	// Red packet gift
+	redPacketGift: 'Red Packet Gift',
+	giftRedPacket: 'Gift: {amount} yuan red packet',
+	// Coupon gift
+	couponGift: 'Coupon Gift',
+	giftCoupons: 'Gift: {count} coupons',
+	// Coupon popup
+	coupons: 'Coupons',
+	// Currency unit
+	yuan: ' yuan',
+	// Discount unit
+	zhe: '% off',
+	// Loading tip
+	navigatingToDetail: 'Navigating to detail page'
+}