refactor(i18n): 完成全量硬编码中文文案替换为多语言方案

1.  替换所有页面/组件中的硬编码中文提示文案为$lang调用，包括支付、帮助中心、公告等页面
2.  重构diy.js加载失败文案处理逻辑，支持参数化替换
3.  新增多语言混入逻辑，实现导航标题随语种动态切换
4.  重构支付组件初始化逻辑，优化平台适配代码
5.  添加多语言单元测试和硬编码扫描脚本
6.  更新语言包，新增缺失的翻译词条

components/ns-goods-recommend/ns-goods-recommend.vue

@@ -10,14 +10,14 @@
 			return {
 				list: [],
 				config: {
-					title: '猜你喜欢',
+					title: '',
 					sources: 'sort',
 					supportPage: [],
 					goodsIds: [],
 					fontWeight: false,
 					padding: 0,
 					cartEvent: 'detail',
-					text: '购买',
+					text: '',
 					textColor: '#FFFFFF',
 					theme: 'default',
 					aroundRadius: 25,
@@ -67,10 +67,13 @@
 			}
 		},
 		mounted() {
-			if (this.auto) {
-				this.getLikeList();
-			}
-		},
+		// 初始化 i18n 默认文案,实际展示以服务端配置 config.title / config.text 为准
+		if (!this.config.title) this.config.title = this.$lang('common.goodsRecommendTitle');
+		if (!this.config.text) this.config.text = this.$lang('common.buyNow');
+		if (this.auto) {
+			this.getLikeList();
+		}
+	},
 		methods: {
 			init() {
 				this.list = [];

components/ns-payment/ns-payment.vue

@@ -70,37 +70,11 @@ export default {
         return {
             isIphoneX: false,
             payIndex: 0,
-            // #ifdef H5
-            payTypeList: [{
-                name: this.$lang('components.nsPayment.alipay'),
-                icon: 'icon-zhifubaozhifu-',
-                type: 'alipay'
-            },
-            {
-                name: this.$lang('components.nsPayment.wechatpay'),
-                icon: 'icon-weixin1',
-                type: 'wechatpay'
-            }
-            ],
+            payTypeList: [],
             timer: null,
-            // #endif
             // #ifdef MP-WEIXIN
-            payTypeList: [{
-                name: this.$lang('components.nsPayment.wechatpay'),
-                provider: 'wxpay',
-                icon: 'icon-weixin1',
-                type: 'wechatpay'
-            }],
             isMatched: 0, // 支付是否需要校验
             // #endif
-            // #ifdef MP-ALIPAY
-            payTypeList: [{
-                name: this.$lang('components.nsPayment.alipay'),
-                icon: 'icon-zhifubaozhifu-',
-                type: 'alipay',
-                provider: 'alipay'
-            }],
-            // #endif
             payInfo: {},
             balanceConfig: 0,
             // 预售页面判断
@@ -108,6 +82,23 @@ export default {
         };
     },
     created(e) {
+        // #ifdef H5
+        this.payTypeList = [
+            { name: this.$lang('components.nsPayment.alipay'), icon: 'icon-zhifubaozhifu-', type: 'alipay' },
+            { name: this.$lang('components.nsPayment.wechatpay'), icon: 'icon-weixin1', type: 'wechatpay' },
+        ];
+        // #endif
+        // #ifdef MP-WEIXIN
+        this.payTypeList = [
+            { name: this.$lang('components.nsPayment.wechatpay'), provider: 'wxpay', icon: 'icon-weixin1', type: 'wechatpay' },
+        ];
+        // #endif
+        // #ifdef MP-ALIPAY
+        this.payTypeList = [
+            { name: this.$lang('components.nsPayment.alipay'), icon: 'icon-zhifubaozhifu-', type: 'alipay', provider: 'alipay' },
+        ];
+        // #endif
+
         let url;
         // #ifdef H5
         url = window.location.href