diff --git a/vite-tailwindcss/src/components/PhotoGallery.vue b/vite-tailwindcss/src/components/PhotoGallery.vue
index bb0452d..7bee8a1 100644
--- a/vite-tailwindcss/src/components/PhotoGallery.vue
+++ b/vite-tailwindcss/src/components/PhotoGallery.vue
@@ -37,7 +37,8 @@
     </div>
 
     <!-- 九宫格 -->
-    <div v-else-if="page.type === 'nine-grid'" v-reveal="{ variant: 'up', delay: 80 }" class="nine-grid grid grid-cols-3 gap-1.5 px-4 mt-6">
+<!--    <div v-else-if="page.type === 'nine-grid'" v-reveal="{ variant: 'up', delay: 80 }" class="nine-grid grid grid-cols-3 gap-1.5 px-4 mt-6">-->
+    <div v-else-if="page.type === 'nine-grid'" class="nine-grid grid grid-cols-3 gap-1.5 px-4 mt-6">
       <div v-for="(img, imgIdx) in page.images" :key="imgIdx"
            class="aspect-square relative" :class="frameClass">
         <img :src="img" loading="lazy" decoding="async" class="nine-grid-img" />
diff --git a/vite-tailwindcss/src/directives/reveal.js b/vite-tailwindcss/src/directives/reveal.js
index e1001ab..11cdf96 100644
--- a/vite-tailwindcss/src/directives/reveal.js
+++ b/vite-tailwindcss/src/directives/reveal.js
@@ -1,5 +1,3 @@
-import { ref, onMounted, onUnmounted } from 'vue'
-
 /**
  * v-reveal 滚动入场指令
  *
@@ -28,6 +26,19 @@ function parseBinding(value) {
   }
 }
 
+function findScrollRoot(el) {
+  let parent = el.parentElement
+  while (parent && parent !== document.body) {
+    const style = window.getComputedStyle(parent)
+    const overflowY = style.overflowY
+    if ((overflowY === 'auto' || overflowY === 'scroll') && parent.scrollHeight > parent.clientHeight) {
+      return parent
+    }
+    parent = parent.parentElement
+  }
+  return null
+}
+
 const reveal = {
   mounted(el, binding) {
     const { variant, delay } = parseBinding(binding.value)
@@ -43,7 +54,7 @@ const reveal = {
           observer.unobserve(el)
         }
       },
-      { threshold: 0.12, rootMargin: '0px 0px -8% 0px' }
+      { threshold: 0.12, root: findScrollRoot(el), rootMargin: '0px 0px -8% 0px' }
     )
     observer.observe(el)
     el.__revealObserver = observer
diff --git a/vite-tailwindcss/src/views/index/index.vue b/vite-tailwindcss/src/views/index/index.vue
index 01e626c..8fb00cd 100644
--- a/vite-tailwindcss/src/views/index/index.vue
+++ b/vite-tailwindcss/src/views/index/index.vue
@@ -1,5 +1,5 @@
 <template>
-  <div class="wrapper relative w-full min-h-[100vh] bg-[#Fdfbf7] overflow-x-hidden text-[#2c2c2c]">
+  <div class="wrapper relative w-full h-[100vh] bg-[#Fdfbf7] overflow-hidden text-[#2c2c2c]">
 
     <!-- 入场揭幕帘幕（请柬封面） -->
     <div v-show="showIntro" class="curtain-root" :class="[{ 'is-opening': introOpening }, introExitClass]" @click="openInvitation">
@@ -33,10 +33,10 @@
     <CanvasEffects :petal-enabled="data.petalEnabled" :bubble-enabled="data.bubbleEnabled" />
 
     <!-- 顶部滚动进度条 -->
-    <div class="fixed top-0 left-0 h-[2px] bg-[#a88c6b] z-[55] transition-[width] duration-150" :style="{ width: progress * 100 + '%' }"></div>
+    <div class="absolute top-0 left-0 h-[2px] bg-[#a88c6b] z-[55] transition-[width] duration-150" :style="{ width: progress * 100 + '%' }"></div>
 
     <!-- 右上角控制台 -->
-    <div class="fixed top-6 right-5 z-50 flex flex-col items-end gap-4">
+    <div class="absolute top-6 right-5 z-50 flex flex-col items-end gap-4">
       <!-- 音乐控制 -->
       <div class="music-wrap">
         <div class="flex flex-col gap-3 items-end">
@@ -70,7 +70,9 @@
 
     <!-- 主滚动区域（注意：不要加 scroll-smooth，它会劫持 JS 滚动赋值导致卡顿） -->
     <div ref="scrollContainerRef"
-         class="w-full min-h-[100vh] no-scrollbar relative"
+         class="w-full h-full overflow-y-auto no-scrollbar relative"
+         :class="data.scrollMode === 'snap' ? 'snap-y snap-mandatory' : ''"
+         @scroll="handleScroll"
          @touchstart="handleUserInteraction" @touchmove="handleUserInteraction"
          @wheel="handleUserInteraction" @mousedown="handleUserInteraction">
 
@@ -250,8 +252,8 @@
     </div>
 
     <!-- RSVP 抽屉 -->
-    <div v-if="isDrawerOpen" class="fixed inset-0 z-[60] bg-black/40 backdrop-blur-sm transition-opacity duration-500" @click="closeDrawer"></div>
-    <div class="fixed bottom-0 left-0 w-full bg-white rounded-t-[2.5rem] shadow-2xl transition-transform duration-500 z-[70] p-10 flex flex-col" :style="{ transform: isDrawerOpen ? 'translateY(0)' : 'translateY(100%)' }">
+    <div v-if="isDrawerOpen" class="absolute inset-0 z-[60] bg-black/40 backdrop-blur-sm transition-opacity duration-500" @click="closeDrawer"></div>
+    <div class="absolute bottom-0 left-0 w-full bg-white rounded-t-[2.5rem] shadow-2xl transition-transform duration-500 z-[70] p-10 flex flex-col" :style="{ transform: isDrawerOpen ? 'translateY(0)' : 'translateY(100%)' }">
       <div @click="closeDrawer" class="absolute top-6 right-6 p-2 text-[#a88c6b] cursor-pointer hover:text-[#2c2c2c] transition-colors text-xl">✕</div>
       <span class="text-xl text-center text-[#a88c6b] mb-1 tracking-[0.3em] font-light mt-2">出席回执</span>
       <span class="text-center text-[10px] text-[#8A8680] mb-10 tracking-[0.4em]">敬 请 回 复</span>
@@ -282,7 +284,7 @@
       </div>
     </div>
 
-    <div v-if="showMapOptions" class="fixed inset-0 z-[80] bg-black/35 backdrop-blur-sm flex items-end justify-center px-4 pb-5" @click.self="showMapOptions = false">
+    <div v-if="showMapOptions" class="absolute inset-0 z-[80] bg-black/35 backdrop-blur-sm flex items-end justify-center px-4 pb-5" @click.self="showMapOptions = false">
       <div class="map-sheet">
         <div class="map-sheet-title">选择导航方式</div>
         <button type="button" @click="openMap('amap')"><i class="fa-solid fa-location-arrow"></i>高德地图</button>
@@ -393,11 +395,11 @@ const formalPageHeightStyle = computed(() => sectionHeightStyle(data.value.forma
 const pageHeightStyle = (page) => sectionHeightStyle(page.height)
 
 const closeDrawer = () => { isDrawerOpen.value = false }
-const pageScrollTop = () => window.scrollY || document.documentElement.scrollTop || document.body.scrollTop || 0
-const pageScrollMax = () => Math.max(0, document.documentElement.scrollHeight - window.innerHeight)
 const handleScroll = () => {
-  const max = pageScrollMax()
-  progress.value = max > 0 ? pageScrollTop() / max : 0
+  const el = scrollContainerRef.value
+  if (!el) return
+  const max = el.scrollHeight - el.clientHeight
+  progress.value = max > 0 ? el.scrollTop / max : 0
   if (isAtBottom()) scheduleBottomReturn()
   else clearBottomReturn()
 }
@@ -413,7 +415,10 @@ const handleUserInteraction = () => {
 
 const sectionEls = () => Array.from(scrollContainerRef.value?.querySelectorAll('.page-section') || [])
 
-const isAtBottom = () => pageScrollMax() - pageScrollTop() <= 8
+const isAtBottom = () => {
+  const el = scrollContainerRef.value
+  return !!el && el.scrollHeight - el.clientHeight - el.scrollTop <= 8
+}
 
 const clearBottomReturn = () => {
   clearTimeout(bottomReturnTimer)
@@ -421,7 +426,8 @@ const clearBottomReturn = () => {
 }
 
 const scheduleBottomReturn = (reset = false) => {
-  if (!isAtBottom() || !isAutoScroll.value) return
+  const el = scrollContainerRef.value
+  if (!el || !isAtBottom() || !isAutoScroll.value) return
   if (bottomReturnTimer && !reset) return
   clearBottomReturn()
   bottomReturnTimer = setTimeout(() => {
@@ -437,22 +443,26 @@ const scheduleBottomReturn = (reset = false) => {
 
 // 带时长的平滑滚动（easeInOutQuad），duration 由后台 pageSwitchDuration 控制
 const smoothScrollTo = (target, duration) => {
+  const el = scrollContainerRef.value
+  if (!el) return
   cancelAnimationFrame(animId)
-  const start = pageScrollTop(), dist = target - start
+  const start = el.scrollTop, dist = target - start
   if (!dist) return
-  if (duration <= 0) { window.scrollTo(0, target); return }
+  if (duration <= 0) { el.scrollTop = target; return }
   const t0 = performance.now()
   const tick = (now) => {
     const p = Math.min(1, (now - t0) / duration)
     const e = p < 0.5 ? 2 * p * p : 1 - Math.pow(-2 * p + 2, 2) / 2
-    window.scrollTo(0, start + dist * e)
+    el.scrollTop = start + dist * e
     if (p < 1) animId = requestAnimationFrame(tick)
   }
   animId = requestAnimationFrame(tick)
 }
 
 const goNextSection = () => {
-  const top = pageScrollTop()
+  const el = scrollContainerRef.value
+  if (!el) return
+  const top = el.scrollTop
   const next = sectionEls().find((e) => e.offsetTop > top + 12)
   if (next) {
     smoothScrollTo(next.offsetTop, switchDuration.value)
@@ -481,7 +491,7 @@ const startAutoScroll = () => {
         if (isAtBottom()) {
           scheduleBottomReturn()
         } else {
-          window.scrollTo(0, pageScrollTop() + FREE_SCROLL_BASE_STEP * (dt / freeInterval.value))
+          scrollContainerRef.value.scrollTop += FREE_SCROLL_BASE_STEP * (dt / freeInterval.value)
           if (isAtBottom()) scheduleBottomReturn()
         }
       }
@@ -491,10 +501,6 @@ const startAutoScroll = () => {
   }
 }
 
-const syncPageScrollMode = () => {
-  document.documentElement.classList.toggle('page-scroll-snap', data.value.scrollMode === 'snap')
-}
-
 const scheduleAutoScrollStart = () => {
   clearTimeout(scrollStartTimer)
   scrollStartTimer = setTimeout(() => startAutoScroll(), firstScreenDuration.value)
@@ -574,9 +580,6 @@ const handleSubmitRsvp = async () => {
 }
 
 onMounted(async () => {
-  if ('scrollRestoration' in history) history.scrollRestoration = 'manual'
-  window.scrollTo(0, 0)
-
   try {
     const res = await getConfig()
     if (res.data && res.data !== '{}') {
@@ -597,8 +600,6 @@ onMounted(async () => {
     }
   } catch (e) { /* 使用默认配置 */ }
 
-  syncPageScrollMode()
-
   if (data.value.introEnabled) showIntro.value = true
 
   audio.setTracks(data.value.musicList, data.value.activeMusicUrl)
@@ -613,13 +614,10 @@ onMounted(async () => {
     scheduleAutoScrollStart()
   }
 
-  window.addEventListener('scroll', handleScroll, { passive: true })
   handleScroll()
 })
 
 onUnmounted(() => {
-  document.documentElement.classList.remove('page-scroll-snap')
-  window.removeEventListener('scroll', handleScroll)
   cancelAnimationFrame(rafId)
   cancelAnimationFrame(animId)
   clearInterval(snapTimer)
@@ -630,7 +628,6 @@ onUnmounted(() => {
   clearBottomReturn()
 })
 
-watch(() => data.value.scrollMode, syncPageScrollMode)
 watch(freeScrollSignature, restartAutoScroll)
 </script>
 
@@ -640,12 +637,6 @@ watch(freeScrollSignature, restartAutoScroll)
   font-variant-numeric: lining-nums;
   text-rendering: geometricPrecision;
 }
-:global(html.page-scroll-snap) {
-  scroll-snap-type: y mandatory;
-}
-:global(html.page-scroll-snap body) {
-  scroll-snap-type: y mandatory;
-}
 .wrapper .font-serif { font-family: var(--font-serif); }
 .wrapper .font-sans { font-family: var(--font-sans); }
 .control-btn {
@@ -658,7 +649,7 @@ watch(freeScrollSignature, restartAutoScroll)
 }
 .formal-main {
   font-family: var(--font-calligraphy);
-  font-size: 25px;
+  font-size: 24px;
   line-height: 1.9;
   font-weight: 800;
   letter-spacing: 0.32em;