diff --git a/vite-tailwindcss/src/components/GiftEffect.vue b/vite-tailwindcss/src/components/GiftEffect.vue
index bd67e16..48df5a1 100644
--- a/vite-tailwindcss/src/components/GiftEffect.vue
+++ b/vite-tailwindcss/src/components/GiftEffect.vue
@@ -1,5 +1,7 @@
 <template>
-  <canvas ref="canvasRef" class="gift-effect-canvas" aria-hidden="true" />
+  <Teleport to="body">
+    <canvas ref="canvasRef" class="gift-effect-canvas" aria-hidden="true" />
+  </Teleport>
 </template>
 
 <script setup>
@@ -252,12 +254,22 @@ function resizeCanvas() {
   const canvas = canvasRef.value
   if (!canvas) return
   dpr = Math.min(window.devicePixelRatio || 1, DPR_CAP)
-  // iOS：优先用 visualViewport，避免地址栏伸缩导致尺寸错乱
-  const vv = typeof window !== 'undefined' ? window.visualViewport : null
-  const cssW = Math.max(1, Math.floor((vv && vv.width) || window.innerWidth || canvas.clientWidth || 1))
-  const cssH = Math.max(1, Math.floor((vv && vv.height) || window.innerHeight || canvas.clientHeight || 1))
+  // 用布局视口铺满全屏。iOS visualViewport 常窄于整屏且有 offset，
+  // 再叠 wrapper overflow 裁切，会出现「只盖住左侧一块」的灰幕。
+  const cssW = Math.max(
+    1,
+    Math.floor(window.innerWidth || 0),
+    Math.floor(document.documentElement?.clientWidth || 0),
+  )
+  const cssH = Math.max(
+    1,
+    Math.floor(window.innerHeight || 0),
+    Math.floor(document.documentElement?.clientHeight || 0),
+  )
   W = cssW
   H = cssH
+  canvas.style.left = '0px'
+  canvas.style.top = '0px'
   canvas.style.width = `${cssW}px`
   canvas.style.height = `${cssH}px`
   canvas.style.writingMode = 'horizontal-tb'
@@ -819,7 +831,7 @@ function playOne(item) {
   const payload = normalizePlayItem(item)
   if (!payload) return 0
   const { giftType, name, count } = payload
-  if (!W || !H) resizeCanvas()
+  resizeCanvas()
   clearVisuals()
   const now = performance.now()
   const style = GIFT_STYLE[giftType]
@@ -1340,7 +1352,6 @@ onMounted(() => {
   }
   window.addEventListener('resize', onResize)
   window.visualViewport?.addEventListener('resize', onResize)
-  window.visualViewport?.addEventListener('scroll', onResize)
 })
 
 onUnmounted(() => {
@@ -1353,7 +1364,6 @@ onUnmounted(() => {
   if (rafId) cancelAnimationFrame(rafId)
   window.removeEventListener('resize', onResize)
   window.visualViewport?.removeEventListener('resize', onResize)
-  window.visualViewport?.removeEventListener('scroll', onResize)
   texts = []
   particles = []
   rings = []
@@ -1379,9 +1389,11 @@ defineExpose({ play, playSequence, clear: clearAll, stop: clearAll })
 <style scoped>
 .gift-effect-canvas {
   position: fixed;
+  inset: 0;
   left: 0;
   top: 0;
-  width: 100%;
+  width: 100vw;
+  width: 100dvw;
   height: 100%;
   height: 100dvh;
   z-index: 46;
@@ -1391,9 +1403,9 @@ defineExpose({ play, playSequence, clear: clearAll, stop: clearAll })
   text-orientation: mixed;
   direction: ltr;
   white-space: nowrap;
-  /* iOS：独立合成层，避免和左侧点赞 canvas / transform 滚动打架 */
-  transform: translateZ(0);
-  -webkit-transform: translateZ(0);
+  /* 独立合成层；挂到 body 后不再受请柬 wrapper overflow 裁切 */
+  transform: translate3d(0, 0, 0);
+  -webkit-transform: translate3d(0, 0, 0);
   backface-visibility: hidden;
   -webkit-backface-visibility: hidden;
 }
diff --git a/vite-tailwindcss/src/views/index/index.vue b/vite-tailwindcss/src/views/index/index.vue
index 03a7c25..0d3b1ba 100644
--- a/vite-tailwindcss/src/views/index/index.vue
+++ b/vite-tailwindcss/src/views/index/index.vue
@@ -372,6 +372,44 @@
       </div>
     </div>
 
+    <!-- 送礼未填姓名：弹出姓名模态框 -->
+    <Teleport to="body">
+      <div
+        v-if="showGiftNameModal"
+        class="fixed inset-0 z-[80] bg-black/40 flex items-center justify-center px-5"
+        @click.self="closeGiftNameModal"
+      >
+        <div class="gift-name-modal w-full max-w-[360px] bg-white rounded-2xl shadow-2xl px-5 pt-5 pb-4">
+          <div class="text-center mb-4">
+            <div class="text-[15px] text-[#2c2c2c] tracking-[0.12em]">留下您的姓名</div>
+            <div class="text-[11px] text-[#8A8680] mt-1.5 leading-relaxed">送礼需要署名，方便新人知道心意来自谁</div>
+          </div>
+          <input
+            ref="giftNameInputRef"
+            v-model="giftNameDraft"
+            type="text"
+            maxlength="20"
+            placeholder="您的姓名"
+            class="w-full bg-[#Fdfbf7] border-[0.5px] border-[#a88c6b]/35 rounded-xl px-4 py-3 text-[14px] focus:outline-none focus:border-[#a88c6b]"
+            @keyup.enter="confirmGiftName"
+          />
+          <div class="flex gap-2 mt-4">
+            <button
+              type="button"
+              class="flex-1 py-3 rounded-full text-[12px] tracking-[0.2em] border border-[#a88c6b]/30 text-[#8A8680]"
+              @click="closeGiftNameModal"
+            >取消</button>
+            <button
+              type="button"
+              class="flex-1 py-3 rounded-full text-[12px] tracking-[0.2em] bg-[#a88c6b] text-white"
+              :disabled="giftBusy"
+              @click="confirmGiftName"
+            >确认送礼</button>
+          </div>
+        </div>
+      </div>
+    </Teleport>
+
     <!-- 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） -->
     <!-- iOS 自由自动滚时对该节点做 translate3d，避免每帧写 scrollTop 与系统合成器打架 -->
     <div ref="scrollContainerRef"
@@ -886,6 +924,10 @@ const giftTotal = ref(0)
 const giftBusy = ref(false)
 const showGiftPanel = ref(false)
 const giftForm = reactive({ name: '' })
+const showGiftNameModal = ref(false)
+const giftNameDraft = ref('')
+const giftNameInputRef = ref(null)
+const pendingGiftType = ref('')
 const giftQuota = reactive({
   my_likes: 0,
   spent: 0,
@@ -1776,6 +1818,62 @@ const closeGiftPanel = () => {
   showGiftPanel.value = false
 }
 
+const closeGiftNameModal = () => {
+  showGiftNameModal.value = false
+  pendingGiftType.value = ''
+  giftNameDraft.value = ''
+}
+
+const openGiftNameModal = (giftType) => {
+  pendingGiftType.value = giftType
+  giftNameDraft.value = giftForm.name.trim() || getGuestName() || ''
+  showGiftNameModal.value = true
+  nextTick(() => {
+    giftNameInputRef.value?.focus?.()
+  })
+}
+
+const sendGiftRequest = async (giftType, name) => {
+  giftBusy.value = true
+  try {
+    const res = await submitGift({
+      giftType,
+      name,
+      clientId: getClientId(),
+    })
+    setGuestName(name)
+    giftForm.name = name
+    syncGuestNameIntoForms()
+    applyGiftCounts(res.data?.counts, res.data?.total)
+    applyGiftQuota(res.data?.quota)
+    if (showGiftFx.value) {
+      giftEffectRef.value?.play({ giftType, name, count: 1 })
+    }
+    toast.success('心意已送达')
+    scheduleGiftPanelClose()
+  } catch (e) {
+    toast.error(e.message || '送礼失败')
+    try {
+      const res = await getGiftStatus(getClientId())
+      applyGiftQuota(res.data?.quota)
+    } catch { /* ignore */ }
+  } finally {
+    giftBusy.value = false
+  }
+}
+
+const confirmGiftName = async () => {
+  const name = giftNameDraft.value.trim()
+  if (!name) return toast.error('请填写姓名')
+  const giftType = pendingGiftType.value
+  showGiftNameModal.value = false
+  pendingGiftType.value = ''
+  giftNameDraft.value = ''
+  if (!giftType) return
+  clearGiftPanelCloseTimer()
+  await sendGiftRequest(giftType, name)
+}
+
 const handleSendGift = async (giftType) => {
   // 点了任意礼物就延后关闭；忙碌中也续上 800ms，方便连送
   clearGiftPanelCloseTimer()
@@ -1789,34 +1887,12 @@ const handleSendGift = async (giftType) => {
     scheduleGiftPanelClose()
     return toast.error(`点赞不足，再点赞 ${need} 次可兑换`)
   }
-  const name = giftForm.name.trim()
-  if (!name) return toast.error('请填写姓名')
-  giftBusy.value = true
-  try {
-    const res = await submitGift({
-      giftType,
-      name,
-      clientId: getClientId(),
-    })
-    setGuestName(name)
-    syncGuestNameIntoForms()
-    applyGiftCounts(res.data?.counts, res.data?.total)
-    applyGiftQuota(res.data?.quota)
-    if (showGiftFx.value) {
-      giftEffectRef.value?.play({ giftType, name, count: 1 })
-    }
-    toast.success('心意已送达')
-    // 800ms 内再点其他礼物则继续送；否则自动收起面板
-    scheduleGiftPanelClose()
-  } catch (e) {
-    toast.error(e.message || '送礼失败')
-    try {
-      const res = await getGiftStatus(getClientId())
-      applyGiftQuota(res.data?.quota)
-    } catch { /* ignore */ }
-  } finally {
-    giftBusy.value = false
+  const name = giftForm.name.trim() || getGuestName()
+  if (!name) {
+    openGiftNameModal(giftType)
+    return
   }
+  await sendGiftRequest(giftType, name)
 }
 
 const loadLikeStatus = async () => {