feat(i18n): 管理端与玩家端三语支持（中/英/马来语）

- 管理后台 adminT 文案库、结算与代理端页面、表单校验
- 玩家端 vue-i18n 补全首页/公告/串关与 ms 文案
- Element Plus ms 语言包与共享 locale 工具

apps/player/src/components/BetGuideHelp.vue

@@ -0,0 +1,172 @@
+<script setup lang="ts">
+import { ref, onMounted } from 'vue';
+import { useI18n } from 'vue-i18n';
+
+const props = withDefaults(
+  defineProps<{
+    title: string;
+    ariaLabel?: string;
+    /** 设置后首次自动弹出，关闭时写入 localStorage */
+    storageKey?: string;
+  }>(),
+  {},
+);
+
+const { t } = useI18n();
+const open = ref(false);
+
+onMounted(() => {
+  if (props.storageKey && !localStorage.getItem(props.storageKey)) {
+    open.value = true;
+  }
+});
+
+function close() {
+  open.value = false;
+  if (props.storageKey) {
+    localStorage.setItem(props.storageKey, '1');
+  }
+}
+</script>
+
+<template>
+  <button
+    type="button"
+    class="help-btn"
+    :aria-label="ariaLabel ?? t('bet.guide_help_aria')"
+    :title="ariaLabel ?? t('bet.guide_help_aria')"
+    @click="open = true"
+  >
+    ?
+  </button>
+
+  <Teleport to="body">
+    <div v-if="open" class="overlay" @click.self="close">
+      <div class="modal" role="dialog" aria-modal="true" :aria-label="title">
+        <button type="button" class="close-x" :aria-label="t('bet.cancel')" @click="close">✕</button>
+
+        <h3 class="title">{{ title }}</h3>
+
+        <div class="guide-body">
+          <slot />
+        </div>
+
+        <button type="button" class="btn-ok btn-gold-outline" @click="close">
+          {{ t('bet.guide_got_it') }}
+        </button>
+      </div>
+    </div>
+  </Teleport>
+</template>
+
+<style scoped>
+.help-btn {
+  flex-shrink: 0;
+  width: 30px;
+  height: 30px;
+  border-radius: 50%;
+  border: 1px solid var(--border-gold-soft);
+  background: rgba(0, 0, 0, 0.2);
+  color: var(--primary-light);
+  font-size: 14px;
+  font-weight: 800;
+  line-height: 1;
+  padding: 0;
+  margin-left: auto;
+}
+
+.overlay {
+  position: fixed;
+  inset: 0;
+  z-index: 205;
+  background: rgba(0, 0, 0, 0.72);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 20px;
+  backdrop-filter: blur(4px);
+}
+
+.modal {
+  position: relative;
+  width: 100%;
+  max-width: 340px;
+  max-height: 85vh;
+  overflow-y: auto;
+  background: linear-gradient(165deg, #1a1810 0%, #121212 45%, #0a0a0a 100%);
+  border: 1px solid var(--border-gold-soft);
+  border-radius: var(--radius);
+  padding: 16px 14px 14px;
+  box-shadow: var(--shadow), 0 0 24px rgba(212, 175, 55, 0.08);
+}
+
+.close-x {
+  position: absolute;
+  top: 10px;
+  right: 10px;
+  width: 28px;
+  height: 28px;
+  border-radius: 50%;
+  background: rgba(255, 255, 255, 0.06);
+  color: var(--text-muted);
+  font-size: 14px;
+}
+
+.title {
+  font-size: 16px;
+  font-weight: 800;
+  color: var(--primary-light);
+  text-align: center;
+  margin-bottom: 12px;
+  padding-right: 24px;
+}
+
+.guide-body {
+  display: grid;
+  gap: 10px;
+  margin-bottom: 14px;
+  font-size: 13px;
+  color: var(--text-muted);
+  line-height: 1.55;
+}
+
+.guide-body :deep(.flow-name) {
+  font-size: 13px;
+  font-weight: 800;
+  color: var(--primary-light);
+  margin: 0 0 8px;
+}
+
+.guide-body :deep(ol) {
+  margin: 0;
+  padding-left: 20px;
+}
+
+.guide-body :deep(li + li) {
+  margin-top: 6px;
+}
+
+.guide-body :deep(.intro) {
+  margin: 0;
+}
+
+.guide-body :deep(.flow-block) {
+  padding-top: 10px;
+  border-top: 1px solid var(--border);
+}
+
+.guide-body :deep(.rules-link) {
+  margin: 4px 0 0;
+  font-size: 12px;
+  padding-top: 8px;
+  border-top: 1px dashed var(--border);
+}
+
+.btn-ok {
+  width: 100%;
+  padding: 10px;
+  border-radius: 6px;
+  font-size: 14px;
+  font-weight: 800;
+}
+</style>