diff --git a/src/components/FullPage.vue b/src/components/FullPage.vue
index dc80567..71f40e8 100644
--- a/src/components/FullPage.vue
+++ b/src/components/FullPage.vue
@@ -14,7 +14,7 @@
 </template>
 
 <script setup>
-import { ref, computed, useSlots, watch, nextTick } from 'vue'
+import { ref, computed, useSlots, nextTick } from 'vue'
 
 const slots = useSlots()
 const pageCount = computed(() => {
@@ -35,21 +35,34 @@ const wrapperStyle = computed(() => ({
 function goTo(index) {
   if (isAnimating.value || index === currentIndex.value) return
   if (index < 0 || index >= pageCount.value) return
-  direction.value = index > currentIndex.value ? 'down' : 'up'
+  const prevIndex = currentIndex.value
+  direction.value = index > prevIndex ? 'down' : 'up'
   isAnimating.value = true
+  triggerLeaveAnimation(prevIndex)
   currentIndex.value = index
-  triggerPageAnimation(index)
+  triggerEnterAnimation(index)
   setTimeout(() => { isAnimating.value = false }, 900)
 }
 
-function triggerPageAnimation(index) {
+function triggerLeaveAnimation(index) {
   nextTick(() => {
     const pages = document.querySelectorAll('.fullpage-wrapper > *')
     const page = pages[index]
     if (!page) return
-    page.classList.remove('page-enter')
+    page.classList.remove('page-leave-up', 'page-leave-down', 'page-enter-up', 'page-enter-down')
     void page.offsetWidth
-    page.classList.add('page-enter')
+    page.classList.add(direction.value === 'down' ? 'page-leave-up' : 'page-leave-down')
+  })
+}
+
+function triggerEnterAnimation(index) {
+  nextTick(() => {
+    const pages = document.querySelectorAll('.fullpage-wrapper > *')
+    const page = pages[index]
+    if (!page) return
+    page.classList.remove('page-leave-up', 'page-leave-down', 'page-enter-up', 'page-enter-down')
+    void page.offsetWidth
+    page.classList.add(direction.value === 'down' ? 'page-enter-down' : 'page-enter-up')
   })
 }
 
@@ -142,26 +155,56 @@ defineExpose({ currentIndex, goTo })
   box-shadow: 0 0 8px rgba(0, 191, 165, 0.6);
 }
 
-/* 页面入场动画 - 仅针对非绝对定位元素 */
-:global(.page-enter .text-side),
-:global(.page-enter .image-side),
-:global(.page-enter .content-wrapper) {
-  animation: fadeSlideUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
+/* 页面内元素进场/离场动画，通过 .anim-item 标记需要动画的元素 */
+
+:global(.page-enter-down .anim-item) {
+  animation: enterFromBottom 0.95s cubic-bezier(0.22, 1, 0.36, 1) both;
+  animation-delay: 0.5s;
 }
 
-:global(.page-enter .image-side) {
-  animation-delay: 0.1s;
+:global(.page-enter-up .anim-item) {
+  animation: enterFromTop 0.95s cubic-bezier(0.22, 1, 0.36, 1) both;
+  animation-delay: 0.5s;
 }
 
-@keyframes fadeSlideUp {
-  from {
-    opacity: 0;
-    transform: translateY(32px);
-  }
-  to {
-    opacity: 1;
-    transform: translateY(0);
-  }
+:global(.page-leave-up .anim-item) {
+  animation: leaveToTop 0.32s cubic-bezier(0.76, 0, 0.24, 1) both;
+}
+
+:global(.page-leave-down .anim-item) {
+  animation: leaveToBottom 0.32s cubic-bezier(0.76, 0, 0.24, 1) both;
+}
+
+/* 子元素依次错开出现（仅进场） */
+:global(.page-enter-down .anim-item:nth-child(1)),
+:global(.page-enter-up .anim-item:nth-child(1)) { animation-delay: 0.5s; }
+:global(.page-enter-down .anim-item:nth-child(2)),
+:global(.page-enter-up .anim-item:nth-child(2)) { animation-delay: 0.62s; }
+:global(.page-enter-down .anim-item:nth-child(3)),
+:global(.page-enter-up .anim-item:nth-child(3)) { animation-delay: 0.74s; }
+:global(.page-enter-down .anim-item:nth-child(4)),
+:global(.page-enter-up .anim-item:nth-child(4)) { animation-delay: 0.86s; }
+:global(.page-enter-down .anim-item:nth-child(5)),
+:global(.page-enter-up .anim-item:nth-child(5)) { animation-delay: 0.98s; }
+
+@keyframes enterFromBottom {
+  from { opacity: 0; transform: translateY(36px); }
+  to   { opacity: 1; transform: translateY(0); }
+}
+
+@keyframes enterFromTop {
+  from { opacity: 0; transform: translateY(-36px); }
+  to   { opacity: 1; transform: translateY(0); }
+}
+
+@keyframes leaveToTop {
+  from { opacity: 1; transform: translateY(0); }
+  to   { opacity: 0; transform: translateY(-24px); }
+}
+
+@keyframes leaveToBottom {
+  from { opacity: 1; transform: translateY(0); }
+  to   { opacity: 0; transform: translateY(24px); }
 }
 
 @media (max-width: 768px) {
diff --git a/src/components/PageAdvantage.vue b/src/components/PageAdvantage.vue
index 3447a61..3aae8fc 100644
--- a/src/components/PageAdvantage.vue
+++ b/src/components/PageAdvantage.vue
@@ -2,16 +2,16 @@
   <section class="page page-advantage">
     <div class="content-wrapper">
       <div class="image-side">
-        <img src="/src/assets/images/three-phone.png" class="phone-img" />
+        <img src="/src/assets/images/three-phone.png" class="phone-img anim-item" />
       </div>
       <div class="text-side">
-        <h2 class="section-title">
+        <h2 class="section-title anim-item">
           Every opening is an<br />
           unknown encounter.
         </h2>
-        <div class="section-card">
+        <div class="section-card anim-item">
           <img src="/src/assets/images/three-douhao.png" class="douhao-img">
-          <p class="section-desc">
+          <p class="section-desc anim-item">
             Every moment you open it, you embark on a poetic encounter with the unknown, and meet the unexpected beauty.
           </p>
           <div class="hero-buttons">
diff --git a/src/components/PageContact.vue b/src/components/PageContact.vue
index b1dc4d9..8e2a7e6 100644
--- a/src/components/PageContact.vue
+++ b/src/components/PageContact.vue
@@ -2,16 +2,16 @@
   <section class="page page-contact">
     <div class="content-wrapper">
       <div class="text-side">
-        <h2 class="section-title">
+        <h2 class="section-title anim-item">
           Customize Keyboard<br />
           AI Reply .
         </h2>
-        <p class="section-desc">
+        <p class="section-desc anim-item">
           Personalize your chat keyboard and get tailored, high-EQ responses for every conversation
         </p>
       </div>
       <div class="image-side">
-        <img src="/src/assets/images/four-phone.png" class="phone-img" />
+        <img src="/src/assets/images/four-phone.png" class="phone-img anim-item" />
       </div>
     </div>
 
diff --git a/src/components/PageHome.vue b/src/components/PageHome.vue
index 9192e23..456070e 100644
--- a/src/components/PageHome.vue
+++ b/src/components/PageHome.vue
@@ -6,16 +6,16 @@
     <div class="hero">
       <div class="hero-phones">
         <div class="hero-content">
-          <h1 class="hero-title">
+          <h1 class="hero-title anim-item">
             Not just a tool but<br />
             giving meaning to every click
           </h1>
-          <div class="hero-buttons">
+          <div class="hero-buttons anim-item">
             <a href="#"><img src="/src/assets/images/android.png" class="btn-img" /></a>
             <a href="#"><img src="/src/assets/images/appStore.png" class="btn-img" /></a>
           </div>
         </div>
-        <img src="/src/assets/images/bg-top-phone.png" class="phone-main" />
+        <img src="/src/assets/images/bg-top-phone.png" class="phone-main anim-item" />
       </div>
       <div class="deco deco-coin1">🎁</div>
       <div class="deco deco-coin2">🏆</div>
@@ -131,14 +131,14 @@
   line-height: 1.3;
   color: #1a1a1a;
   margin-bottom: clamp(16px, 2vh, 40px);
-  animation: fadeIn 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.1s both;
+  animation: none;
 }
 
 .hero-buttons {
   display: flex;
   gap: clamp(10px, 3vw, 35px);
   justify-content: center;
-  animation: fadeIn 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.25s both;
+  animation: none;
 }
 
 .btn-img {
@@ -196,7 +196,7 @@
   height: clamp(330px, 58vh, 780px);
   width: auto;
   display: block;
-  animation: fadeIn 1s cubic-bezier(0.22, 1, 0.36, 1) 0.35s both;
+  animation: none;
 }
 
 @keyframes fadeIn {
diff --git a/src/components/PageProduct.vue b/src/components/PageProduct.vue
index 05579c1..f85b58e 100644
--- a/src/components/PageProduct.vue
+++ b/src/components/PageProduct.vue
@@ -4,7 +4,7 @@
       <div class="content-wrapper">
         <div class="text-side">
           <div class="title-wrap">
-            <h2 class="section-title">
+            <h2 class="section-title anim-item">
               Customize Keyboard<br />
               Define Chat Style
             </h2>
@@ -12,13 +12,13 @@
             <img src="/src/assets/images/two-2.png" class="deco-2" />
           </div>
           <div class="desc-wrap">
-            <p class="section-desc">
+            <p class="section-desc anim-item">
               Spice up your keyboard with one-of-a-kind skins and customize its look to the fullest—your chat style is one-of-a-kind, and your keyboard should be too.
             </p>
             
           </div>
           <div class="btns-wrap">
-            <div class="download-btns">
+            <div class="download-btns anim-item">
               <a href="#"><img src="/src/assets/images/android-two.png" class="btn-img" /></a>
               <a href="#"><img src="/src/assets/images/appStore-two.png" class="btn-img" /></a>
               
@@ -30,7 +30,7 @@
       
       </div>
     </div>
-    <img src="/src/assets/images/two-phone.png" class="two-phone" />
+    <img src="/src/assets/images/two-phone.png" class="two-phone anim-item" />
   </section>
 </template>