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src/pages/mobile/h5-install.vue

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+<template>
+  <!-- iOS 安装引导整页版：正常下载流程由 MobileLanding 页内弹层展示，本路由保留给 QA / 外链直达 -->
+  <!-- ?guide=safari → 社媒内「复制到 Safari」引导；默认 → 三步轻量版安装引导 -->
+  <IosSafariOpenGuide v-if="isSafariOpenGuide" :show="true" @close="goBack" />
+  <IosInstallGuide v-else :show="true" @close="goBack" />
+</template>
+
+<script lang="ts" setup>
+import { computed } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import IosInstallGuide from '~/components/mobile/IosInstallGuide.vue'
+import IosSafariOpenGuide from '~/components/mobile/IosSafariOpenGuide.vue'
+
+const route = useRoute()
+const router = useRouter()
+
+const isSafariOpenGuide = computed(() => {
+  const g = String(route.query.guide || '').toLowerCase()
+  return g === 'safari' || g === 'social'
+})
+
+function goBack() {
+  if (window.history.length > 1) {
+    router.back()
+  } else {
+    router.push('/')
+  }
+}
+</script>