feat: 优化开奖结果查询与下注弹窗视觉交互，新增中奖查询页

src/i18n/language.ts

@@ -0,0 +1,17 @@
+/** 对齐后端与产品：尼泊尔语 / 英语 / 中文（简体） */
+export const SUPPORTED_LANGUAGES = [
+  { code: "en" as const, flag: "🇺🇸" },
+  { code: "ne" as const, flag: "🇳🇵" },
+  { code: "zh" as const, flag: "🇨🇳" },
+];
+
+export type AppLanguage = (typeof SUPPORTED_LANGUAGES)[number]["code"];
+
+export const DEFAULT_LANGUAGE: AppLanguage = "zh";
+
+export function normalizeLanguage(lang: string | undefined): AppLanguage {
+  const base = lang?.split("-")[0]?.toLowerCase();
+  if (base === "ne") return "ne";
+  if (base === "zh") return "zh";
+  return "en";
+}