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src/pages/land-b/index.vue

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+<script setup>
+import LandingB from '~/components/landing-b/LandingB.vue'
+import { onBeforeMount, onBeforeUnmount } from 'vue'
+import { useEventTracker, getSessionTraceId } from '~/utils/useEventTracker'
+import { getLandingVersion } from '~/utils/landingVersion'
+
+// 独立 /b 入口：固定 B，保证 getButtonList 带 version=B
+getLandingVersion({}, '/b')
+
+const LANDING_PAGE_ID = 'JHA-209-B'
+const { trackLandingPageView, trackLandingPageClick, generateSessionId } = useEventTracker()
+
+const handleClick = (e) => {
+  const rawText =
+    e?.target?.closest?.('[data-track]')?.getAttribute('data-track') ||
+    e?.target?.alt ||
+    e?.target?.innerText ||
+    ''
+  const tabKey = rawText
+    .replace(/[^A-Za-z0-9_一-鿿]/g, '_')
+    .replace(/_{2,}/g, '_')
+    .replace(/^_+|_+$/g, '') || ''
+  const isDownload = tabKey.toLowerCase() === 'download'
+  trackLandingPageClick({
+    landing_page_id: LANDING_PAGE_ID,
+    tab_key: tabKey,
+    tab_name: rawText,
+    click_coordinates_x: e.clientX,
+    click_coordinates_y: e.clientY,
+    click_x_percent: Math.round((e.clientX / window.innerWidth) * 100),
+    click_y_percent: Math.round((e.clientY / window.innerHeight) * 100),
+    screen_width: window.innerWidth,
+    screen_height: window.innerHeight,
+    trace_id: isDownload ? getSessionTraceId() : generateSessionId(),
+  })
+}
+
+onBeforeMount(() => {
+  trackLandingPageView({ landing_page_id: LANDING_PAGE_ID })
+  window.addEventListener('click', handleClick)
+})
+
+onBeforeUnmount(() => {
+  window.removeEventListener('click', handleClick)
+})
+</script>
+
+<template>
+  <LandingB />
+</template>