diff --git a/app/citizen-frontend/src/assets/index/introduction_0916.png b/app/citizen-frontend/src/assets/index/introduction_0916.png
new file mode 100644
index 0000000..7ac7475
Binary files /dev/null and b/app/citizen-frontend/src/assets/index/introduction_0916.png differ
diff --git a/app/citizen-frontend/src/components/PlatformIntroduction.vue b/app/citizen-frontend/src/components/PlatformIntroduction.vue
new file mode 100644
index 0000000..f83b66b
--- /dev/null
+++ b/app/citizen-frontend/src/components/PlatformIntroduction.vue
@@ -0,0 +1,345 @@
+<script setup lang="ts">
+import { ref } from "vue";
+import introductionImage from "@/assets/index/introduction_0916.png";
+import { PLATFORM_INTRODUCTION } from "@/data/platformIntroduction";
+
+const expandedSections = ref([0, 1, 2, 3]);
+</script>
+
+<template>
+  <section
+    class="platform-introduction"
+    aria-labelledby="platform-introduction-title"
+  >
+    <div class="introduction-image-frame">
+      <v-img
+        alt="運動玩轉健康力全齡功能性體適能檢測平台資訊圖"
+        class="introduction-image"
+        :src="introductionImage"
+      />
+    </div>
+
+    <v-card class="introduction-card" variant="flat">
+      <v-card-text class="pa-5 pa-sm-7">
+        <div class="introduction-heading">
+          <span class="eyebrow">{{ PLATFORM_INTRODUCTION.eyebrow }}</span>
+          <h2 id="platform-introduction-title" class="introduction-title">
+            {{ PLATFORM_INTRODUCTION.title }}
+          </h2>
+          <p class="introduction-subtitle">
+            {{ PLATFORM_INTRODUCTION.subtitle }}
+          </p>
+        </div>
+
+        <div class="journey-list" aria-label="全齡健康旅程">
+          <template
+            v-for="(journey, index) in PLATFORM_INTRODUCTION.journey"
+            :key="journey"
+          >
+            <span class="journey-item">{{ journey }}</span>
+            <v-icon
+              v-if="index < PLATFORM_INTRODUCTION.journey.length - 1"
+              class="journey-arrow"
+              color="secondary"
+              icon="mdi-arrow-right"
+              size="18"
+            />
+          </template>
+        </div>
+
+        <v-expansion-panels v-model="expandedSections" class="mt-6" multiple>
+          <v-expansion-panel
+            v-for="(section, index) in PLATFORM_INTRODUCTION.sections"
+            :key="section.title"
+            class="introduction-panel"
+            :value="index"
+          >
+            <v-expansion-panel-title class="px-4 py-3">
+              <div class="d-flex align-center ga-3">
+                <span class="section-number">{{
+                  String(index + 1).padStart(2, "0")
+                }}</span>
+                <span class="font-weight-bold text-primary">{{
+                  section.title
+                }}</span>
+              </div>
+            </v-expansion-panel-title>
+
+            <v-expansion-panel-text>
+              <p v-if="section.intro" class="section-intro">
+                {{ section.intro }}
+              </p>
+
+              <ol v-if="section.steps" class="service-steps">
+                <li
+                  v-for="(step, stepIndex) in section.steps"
+                  :key="step.title"
+                >
+                  <span class="step-number">{{ stepIndex + 1 }}</span>
+                  <div>
+                    <div class="font-weight-bold text-primary">
+                      {{ step.title }}
+                    </div>
+                    <div class="text-grey-darken-1">{{ step.detail }}</div>
+                  </div>
+                </li>
+              </ol>
+
+              <div v-if="section.features" class="feature-grid">
+                <div
+                  v-for="(feature, featureIndex) in section.features"
+                  :key="feature.title"
+                  class="feature-item"
+                >
+                  <span class="feature-number">{{
+                    String(featureIndex + 1).padStart(2, "0")
+                  }}</span>
+                  <div class="font-weight-bold text-primary">
+                    {{ feature.title }}
+                  </div>
+                  <div class="text-grey-darken-1">{{ feature.detail }}</div>
+                </div>
+              </div>
+
+              <div v-if="section.audiences" class="audience-list">
+                <div
+                  v-for="audience in section.audiences"
+                  :key="audience.title"
+                  class="audience-item"
+                >
+                  <div class="font-weight-bold text-primary mb-2">
+                    {{ audience.title }}
+                  </div>
+                  <ul class="content-list">
+                    <li v-for="item in audience.items" :key="item">
+                      {{ item }}
+                    </li>
+                  </ul>
+                </div>
+              </div>
+
+              <ul v-if="section.items" class="content-list">
+                <li v-for="item in section.items" :key="item">{{ item }}</li>
+              </ul>
+
+              <p v-if="section.outro" class="section-outro">
+                {{ section.outro }}
+              </p>
+            </v-expansion-panel-text>
+          </v-expansion-panel>
+        </v-expansion-panels>
+      </v-card-text>
+    </v-card>
+  </section>
+</template>
+
+<style scoped>
+.platform-introduction {
+  max-width: 760px;
+  margin: 24px auto 40px;
+}
+
+.introduction-image-frame {
+  padding: 6px;
+  border-radius: 28px;
+  background: linear-gradient(
+    135deg,
+    rgba(29, 112, 99, 0.16),
+    rgba(255, 163, 49, 0.22)
+  );
+  box-shadow: 0 14px 34px rgba(20, 82, 72, 0.12);
+}
+
+.introduction-image {
+  border-radius: 23px;
+  overflow: hidden;
+}
+
+.introduction-card {
+  margin-top: 20px;
+  border: 1px solid rgba(29, 112, 99, 0.12);
+  border-radius: 28px;
+  background: linear-gradient(160deg, #f6fcf9 0%, #ffffff 38%);
+}
+
+.introduction-heading {
+  text-align: center;
+}
+
+.eyebrow {
+  display: inline-block;
+  padding: 6px 12px;
+  border-radius: 999px;
+  color: rgb(var(--v-theme-primary));
+  background-color: rgba(var(--v-theme-primary), 0.1);
+  font-size: 0.8rem;
+  font-weight: 700;
+  letter-spacing: 0.08em;
+}
+
+.introduction-title {
+  margin: 14px 0 4px;
+  color: rgb(var(--v-theme-primary));
+  font-size: clamp(1.75rem, 5vw, 2.5rem);
+  font-weight: 900;
+  line-height: 1.2;
+}
+
+.introduction-subtitle {
+  margin: 0;
+  color: rgb(var(--v-theme-primary));
+  font-size: 1rem;
+}
+
+.journey-list {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  justify-content: center;
+  gap: 8px;
+  margin-top: 20px;
+}
+
+.journey-item {
+  padding: 8px 13px;
+  border-radius: 12px;
+  color: rgb(var(--v-theme-primary));
+  background-color: #ffffff;
+  box-shadow: 0 3px 10px rgba(20, 82, 72, 0.08);
+  font-weight: 700;
+}
+
+.journey-arrow {
+  flex: 0 0 auto;
+}
+
+.introduction-panel {
+  margin-bottom: 10px;
+  border: 1px solid rgba(29, 112, 99, 0.1);
+  border-radius: 16px !important;
+  overflow: hidden;
+}
+
+.section-number,
+.feature-number,
+.step-number {
+  display: inline-flex;
+  flex: 0 0 auto;
+  align-items: center;
+  justify-content: center;
+  color: #ffffff;
+  background-color: rgb(var(--v-theme-secondary));
+  font-weight: 900;
+}
+
+.section-number {
+  width: 34px;
+  height: 34px;
+  border-radius: 10px;
+  font-size: 0.8rem;
+}
+
+.section-intro,
+.section-outro {
+  margin: 0 0 14px;
+  color: rgb(var(--v-theme-primary));
+  line-height: 1.75;
+}
+
+.section-outro {
+  margin: 14px 0 0;
+  font-weight: 700;
+}
+
+.content-list {
+  display: grid;
+  gap: 10px;
+  margin: 0;
+  padding-left: 22px;
+  color: rgb(var(--v-theme-on-surface));
+  line-height: 1.7;
+}
+
+.content-list li::marker {
+  color: rgb(var(--v-theme-secondary));
+}
+
+.service-steps {
+  display: grid;
+  gap: 14px;
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+.service-steps li {
+  display: flex;
+  gap: 12px;
+  line-height: 1.65;
+}
+
+.step-number {
+  width: 28px;
+  height: 28px;
+  border-radius: 50%;
+}
+
+.feature-grid {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 12px;
+}
+
+.feature-item,
+.audience-item {
+  padding: 16px;
+  border-radius: 16px;
+  background-color: rgba(var(--v-theme-primary), 0.06);
+  line-height: 1.65;
+}
+
+.feature-item:nth-child(even) {
+  background-color: rgba(var(--v-theme-secondary), 0.11);
+}
+
+.feature-number {
+  width: 30px;
+  height: 30px;
+  margin-bottom: 10px;
+  border-radius: 9px;
+  font-size: 0.75rem;
+}
+
+.audience-list {
+  display: grid;
+  gap: 12px;
+}
+
+@media (max-width: 600px) {
+  .platform-introduction {
+    margin-top: 20px;
+  }
+
+  .introduction-image-frame,
+  .introduction-card {
+    border-radius: 20px;
+  }
+
+  .introduction-image {
+    border-radius: 15px;
+  }
+
+  .journey-list {
+    gap: 6px;
+  }
+
+  .journey-item {
+    padding: 7px 10px;
+    font-size: 0.9rem;
+  }
+
+  .feature-grid {
+    grid-template-columns: 1fr;
+  }
+}
+</style>
diff --git a/app/citizen-frontend/src/config/features.ts b/app/citizen-frontend/src/config/features.ts
index 984c7f5..b4abef6 100644
--- a/app/citizen-frontend/src/config/features.ts
+++ b/app/citizen-frontend/src/config/features.ts
@@ -1,6 +1,6 @@
-export const APPOINTMENT_ENABLED = false;
-export const BOTTOM_NAVIGATION_ENABLED = false;
-export const CHECKIN_ENABLED = false;
-export const EXERCISE_DURATION_RECOMMENDATION_ENABLED = true;
-export const RADAR_ENABLED = false;
-export const SELF_ASSESSMENT_ENABLED = false;
+export const APPOINTMENT_ENABLED = false
+export const BOTTOM_NAVIGATION_ENABLED = false
+export const CHECKIN_ENABLED = false
+export const EXERCISE_DURATION_RECOMMENDATION_ENABLED = false
+export const RADAR_ENABLED = false
+export const SELF_ASSESSMENT_ENABLED = false
diff --git a/app/citizen-frontend/src/data/platform-introduction.json b/app/citizen-frontend/src/data/platform-introduction.json
new file mode 100644
index 0000000..bea4d19
--- /dev/null
+++ b/app/citizen-frontend/src/data/platform-introduction.json
@@ -0,0 +1,147 @@
+{
+  "title": "運動玩轉健康力",
+  "subtitle": "全齡功能性體適能檢測平台簡介",
+  "eyebrow": "全齡功能性體適能檢測平台",
+  "journey": ["看見狀態", "知道怎麼做", "持續回來"],
+  "sections": [
+    {
+      "title": "平台定位",
+      "items": [
+        "以「運動 × AI × 數據 × 健康」為核心，建置全齡功能性體適能檢測與健康促進平台。",
+        "服務對象涵蓋兒童、青壯年、中高齡及銀髮族。",
+        "結合科學檢測、數位分析、體適能分級、運動建議及持續追蹤。",
+        "將一次性的體適能檢測，轉化為可執行、可追蹤、可持續的健康行動。"
+      ]
+    },
+    {
+      "title": "核心理念",
+      "items": [
+        "秉持「把數據變成行動，把行動變成習慣」的推動理念。",
+        "協助參與者看見身體的真實狀態，了解自身優勢與需要改善的能力。",
+        "依據個人身體狀態提供安全、適合且能夠持續執行的運動方式。",
+        "強調沒有任何訓練目標高於身體的真實狀態，讓健康促進建立在安全與可恢復的基礎上。"
+      ]
+    },
+    {
+      "title": "11項功能性體適能測驗",
+      "intro": "平台整合11項功能性體適能測驗，評估面向包括：",
+      "items": [
+        "上肢肌力、下肢肌力。",
+        "上肢柔軟度、下肢柔軟度。",
+        "敏捷與移動能力、靜態平衡能力。",
+        "心肺耐力、日常生活功能表現。"
+      ],
+      "outro": "透過多面向檢測，協助參與者掌握目前的身體功能、潛在風險及需要優先改善的項目。"
+    },
+    {
+      "title": "平台服務流程",
+      "steps": [
+        {
+          "title": "功能檢測",
+          "detail": "完成11項功能性體適能測驗，建立個人基礎數據。"
+        },
+        {
+          "title": "數據分析",
+          "detail": "系統整合各項測驗結果，呈現個人身體功能表現。"
+        },
+        {
+          "title": "體適能分級",
+          "detail": "依據個人檢測結果進行綜合評估與體適能分級。"
+        },
+        {
+          "title": "運動建議",
+          "detail": "依照身體狀態提供有氧、肌力、平衡及柔軟伸展等建議。"
+        },
+        {
+          "title": "行動課表",
+          "detail": "將運動建議轉化為一週每日行動課表，提供清楚、容易執行的健康指引。"
+        },
+        {
+          "title": "定期複測",
+          "detail": "透過定期回測與前後數據比較，追蹤身體功能及運動成效。"
+        }
+      ]
+    },
+    {
+      "title": "四大核心功能",
+      "features": [
+        { "title": "11項功能測驗", "detail": "一次掌握身體功能與目前狀態。" },
+        {
+          "title": "個人化體適能分級",
+          "detail": "快速看懂自身優勢、潛在風險及需要加強的能力。"
+        },
+        {
+          "title": "精準運動建議",
+          "detail": "依據檢測結果安排有氧、肌力、平衡及伸展訓練。"
+        },
+        {
+          "title": "每週行動課表",
+          "detail": "提供早、中、晚清楚指引，協助建立可持續的運動習慣。"
+        }
+      ]
+    },
+    {
+      "title": "數位健康履歷",
+      "items": [
+        "保存個人歷次功能性體適能檢測結果，建立個人專屬的數位健康紀錄。",
+        "比較檢測前後的身體功能變化，掌握運動介入及課程訓練成效。",
+        "提升參與者的運動持續性與自我健康管理能力。",
+        "作為後續課程調整、健康追蹤及定期複測的參考依據。"
+      ]
+    },
+    {
+      "title": "平台應用場域",
+      "items": [
+        "社區健康促進活動、各級學校與教育場域。",
+        "企業員工健康管理、運動中心與健身場域。",
+        "樂齡學習及銀髮服務據點、長照機構與社會福利單位。",
+        "醫療及健康促進合作場域，以及ESG、CSR及公益普測活動。"
+      ]
+    },
+    {
+      "title": "平台使用價值",
+      "audiences": [
+        {
+          "title": "對參與者",
+          "items": [
+            "認識自己的身體狀態。",
+            "找出需要優先改善的能力。",
+            "獲得適合自己的運動方向。",
+            "看見運動前後的身體改變，建立安全且可持續的健康習慣。"
+          ]
+        },
+        {
+          "title": "對教練及專業人員",
+          "items": [
+            "掌握參與者的功能表現與風險。",
+            "作為課程分級及內容調整的依據。",
+            "提供個人化運動與訓練建議，必要時即時調整或停止不適合的訓練。"
+          ]
+        },
+        {
+          "title": "對場域及政策推動單位",
+          "items": [
+            "建立可量化的健康促進成果。",
+            "支援課程規劃、成效管理及資源配置。",
+            "建立可追蹤、可複製、可擴散的服務模式。",
+            "在資料去識別化及適當授權下，作為健康促進政策分析參考。"
+          ]
+        }
+      ]
+    },
+    {
+      "title": "全齡健康旅程",
+      "intro": "平台陪伴每一位參與者完成三個重要階段：",
+      "items": [
+        "看見狀態：了解現在的身體功能與健康狀況。",
+        "知道怎麼做：找到安全、適合且可以實際執行的運動方式。",
+        "持續回來：透過運動、追蹤及定期複測，逐步建立健康習慣。"
+      ]
+    },
+    {
+      "title": "平台願景",
+      "intro": "「運動玩轉健康力」不只提供一次檢測的分數，更希望透過科學檢測、數據分析、行動課表與持續追蹤，陪伴每一個人建立長期健康生活。",
+      "outro": "健康無價，從了解自己的身體開始。讓運動成為習慣，讓健康成為日常。"
+    }
+  ]
+}
diff --git a/app/citizen-frontend/src/data/platformIntroduction.ts b/app/citizen-frontend/src/data/platformIntroduction.ts
new file mode 100644
index 0000000..7a3cdb7
--- /dev/null
+++ b/app/citizen-frontend/src/data/platformIntroduction.ts
@@ -0,0 +1,37 @@
+import platformIntroduction from "./platform-introduction.json";
+
+export interface IntroductionStep {
+  title: string;
+  detail: string;
+}
+
+export interface IntroductionFeature {
+  title: string;
+  detail: string;
+}
+
+export interface IntroductionAudience {
+  title: string;
+  items: string[];
+}
+
+export interface IntroductionSection {
+  title: string;
+  intro?: string;
+  items?: string[];
+  outro?: string;
+  steps?: IntroductionStep[];
+  features?: IntroductionFeature[];
+  audiences?: IntroductionAudience[];
+}
+
+export interface PlatformIntroductionContent {
+  title: string;
+  subtitle: string;
+  eyebrow: string;
+  journey: string[];
+  sections: IntroductionSection[];
+}
+
+export const PLATFORM_INTRODUCTION =
+  platformIntroduction as PlatformIntroductionContent;
diff --git a/app/citizen-frontend/src/pages/index.vue b/app/citizen-frontend/src/pages/index.vue
index 82b3a8e..4e64164 100644
--- a/app/citizen-frontend/src/pages/index.vue
+++ b/app/citizen-frontend/src/pages/index.vue
@@ -274,6 +274,8 @@
         />
       </template>
 
+      <PlatformIntroduction />
+
       <v-dialog v-model="generateDialog" max-width="400">
         <v-card class="rounded-xl overflow-hidden">
           <v-card-title class="bg-primary text-white font-weight-bold py-3">
@@ -404,6 +406,7 @@ import BrandAvatar from "@/components/BrandAvatar.vue";
 import HealthRadarChart from "@/components/HealthRadarChart.vue";
 import Layout from "@/components/layout/DefaultLayout.vue";
 import ModuleRouterCard from "@/components/ModuleRouterCard.vue";
+import PlatformIntroduction from "@/components/PlatformIntroduction.vue";
 import PhysicalFitnessSummary from "@/components/PhysicalFitnessSummary.vue";
 import { useDisplayUserName } from "@/composables/useDisplayUserName";
 import {
@@ -428,7 +431,6 @@ const physicalFitnessItems = ref<PhysicalFitnessItem[]>([]);
 const physicalFitnessReceivedAt = ref<string | null>(null);
 const physicalFitnessLoading = ref(false);
 const physicalFitnessError = ref("");
-const redirectingToLogin = ref(false);
 
 const displayUserName = useDisplayUserName(store.userProfile);
 
@@ -498,11 +500,6 @@ function getRequiredUserID(): string | null {
     return userID;
   }
 
-  if (!redirectingToLogin.value) {
-    redirectingToLogin.value = true;
-    void router.replace({ name: "login", query: { redirect: "/" } });
-  }
-
   return null;
 }