diff --git a/vite-tailwindcss/src/views/admin/AdminEditor.vue b/vite-tailwindcss/src/views/admin/AdminEditor.vue
index 3249c80..c3a5c0a 100644
--- a/vite-tailwindcss/src/views/admin/AdminEditor.vue
+++ b/vite-tailwindcss/src/views/admin/AdminEditor.vue
@@ -1,61 +1,95 @@
 <template>
   <div class="min-h-screen bg-[#f6f4ef] text-[#2c2c2c]">
     <!-- 顶部栏 -->
-    <header class="sticky top-0 z-30 bg-white/90 backdrop-blur border-b border-[#a88c6b]/15 px-4 sm:px-6 py-3 flex items-center justify-between gap-3">
-      <div class="flex items-center gap-3 min-w-0">
-        <span class="text-xl text-[#a88c6b] font-serif shrink-0">❀</span>
-        <div class="min-w-0">
-          <div class="text-sm tracking-[0.18em] font-light truncate">婚礼邀请函 · 内容编辑后台</div>
-          <div class="text-[10px] text-[#8A8680] tracking-[0.12em] mt-0.5">
-            制作者 · <span class="text-[#a88c6b]">年糕崽崽</span>
+    <header class="admin-header sticky top-0 z-30 bg-white/90 backdrop-blur border-b border-[#a88c6b]/15">
+      <div class="admin-header-row">
+        <div class="flex items-center gap-3 min-w-0 shrink-0">
+          <span class="text-xl text-[#a88c6b] font-serif shrink-0">❀</span>
+          <div class="min-w-0">
+            <div class="text-sm tracking-[0.18em] font-light truncate">婚礼邀请函 · 内容编辑后台</div>
+            <div class="text-[10px] text-[#8A8680] tracking-[0.12em] mt-0.5">
+              制作者 · <span class="text-[#a88c6b]">年糕崽崽</span>
+            </div>
           </div>
         </div>
-      </div>
-      <div class="flex items-center gap-2 flex-wrap justify-end">
-        <a-segmented
-          v-model:value="menuLayout"
-          size="small"
-          class="admin-layout-seg"
-          :options="menuLayoutOptions"
-        />
-        <a-button size="small" @click="openPreview">
-          <i class="fa-solid fa-eye mr-1 text-[#a88c6b]"></i>预览请柬
-        </a-button>
-        <a-dropdown>
-          <a-button size="small">
-            <i class="fa-solid fa-scroll mr-1 text-[#a88c6b]"></i>预览海报 <i class="fa-solid fa-chevron-down ml-1 text-[10px]"></i>
+
+        <!-- 顶部菜单：一级分类 + 下拉 -->
+        <nav v-if="menuLayout === 'top'" class="admin-top-menu" aria-label="后台菜单">
+          <a-dropdown
+            v-for="group in adminMenuGroups"
+            :key="group.key"
+            :trigger="['hover', 'click']"
+            placement="bottomLeft"
+          >
+            <button
+              type="button"
+              class="admin-top-menu-trigger"
+              :class="{ active: isMenuGroupActive(group) }"
+            >
+              <span>{{ group.label }}</span>
+              <i class="fa-solid fa-chevron-down admin-top-menu-caret" />
+            </button>
+            <template #overlay>
+              <a-menu
+                class="admin-top-dropdown"
+                :selected-keys="[activeTab]"
+                @click="({ key }) => { activeTab = String(key) }"
+              >
+                <a-menu-item v-for="item in group.items" :key="item.key">
+                  <i :class="item.icon" class="mr-2 text-[12px] opacity-80" />
+                  {{ item.label }}
+                </a-menu-item>
+              </a-menu>
+            </template>
+          </a-dropdown>
+        </nav>
+
+        <div class="admin-header-actions">
+          <a-segmented
+            v-model:value="menuLayout"
+            size="small"
+            class="admin-layout-seg"
+            :options="menuLayoutOptions"
+          />
+          <a-button size="small" @click="openPreview">
+            <i class="fa-solid fa-eye mr-1 text-[#a88c6b]"></i>预览请柬
           </a-button>
-          <template #overlay>
-            <a-menu>
-              <a-menu-item v-for="s in POSTER_SIDES" :key="s.key" @click="openPosterPreview(s.key)">
-                {{ s.label }}({{ s.key }}) {{ s.route }}
-              </a-menu-item>
-            </a-menu>
-          </template>
-        </a-dropdown>
-        <a-button
-          v-if="isConfigTab"
-          type="primary"
-          size="small"
-          :loading="saving"
-          @click="onSave"
-          class="!bg-[#a88c6b] hover:!bg-[#967b5c] !border-[#a88c6b]"
-        >
-          <i class="fa-solid fa-floppy-disk mr-1"></i>保存配置
-        </a-button>
-        <a-dropdown>
-          <a-button size="small">{{ adminStore.user?.account || '管理员' }}<i class="fa-solid fa-chevron-down ml-1 text-[10px]"></i></a-button>
-          <template #overlay>
-            <a-menu>
-              <a-menu-item key="logout" @click="onLogout"><i class="fa-solid fa-right-from-bracket mr-2"></i>退出登录</a-menu-item>
-            </a-menu>
-          </template>
-        </a-dropdown>
+          <a-dropdown>
+            <a-button size="small">
+              <i class="fa-solid fa-scroll mr-1 text-[#a88c6b]"></i>预览海报 <i class="fa-solid fa-chevron-down ml-1 text-[10px]"></i>
+            </a-button>
+            <template #overlay>
+              <a-menu>
+                <a-menu-item v-for="s in POSTER_SIDES" :key="s.key" @click="openPosterPreview(s.key)">
+                  {{ s.label }}({{ s.key }}) {{ s.route }}
+                </a-menu-item>
+              </a-menu>
+            </template>
+          </a-dropdown>
+          <a-button
+            v-if="isConfigTab"
+            type="primary"
+            size="small"
+            :loading="saving"
+            @click="onSave"
+            class="!bg-[#a88c6b] hover:!bg-[#967b5c] !border-[#a88c6b]"
+          >
+            <i class="fa-solid fa-floppy-disk mr-1"></i>保存配置
+          </a-button>
+          <a-dropdown>
+            <a-button size="small">{{ adminStore.user?.account || '管理员' }}<i class="fa-solid fa-chevron-down ml-1 text-[10px]"></i></a-button>
+            <template #overlay>
+              <a-menu>
+                <a-menu-item key="logout" @click="onLogout"><i class="fa-solid fa-right-from-bracket mr-2"></i>退出登录</a-menu-item>
+              </a-menu>
+            </template>
+          </a-dropdown>
+        </div>
       </div>
     </header>
 
     <div class="admin-shell" :class="menuLayout === 'side' ? 'admin-shell--side' : 'admin-shell--top'">
-      <nav class="admin-nav" aria-label="后台菜单">
+      <nav v-if="menuLayout === 'side'" class="admin-nav" aria-label="后台菜单">
         <div
           v-for="group in adminMenuGroups"
           :key="group.key"
@@ -1205,6 +1239,11 @@ const menuLayout = ref(readStoredMenuLayout())
 watch(menuLayout, (v) => {
   try { localStorage.setItem(MENU_LAYOUT_KEY, v) } catch { /* ignore */ }
 })
+
+function isMenuGroupActive(group) {
+  return Array.isArray(group?.items) && group.items.some((item) => item.key === activeTab.value)
+}
+
 const activePhotoTab = ref('0')
 const saving = ref(false)
 const uploading = ref(false)
@@ -2248,6 +2287,66 @@ onUnmounted(() => {
 .admin-layout-seg :deep(.ant-segmented-item-selected) {
   color: #a88c6b;
 }
+.admin-header {
+  padding: 10px 16px 10px;
+}
+.admin-header-row {
+  display: flex;
+  align-items: center;
+  gap: 12px 16px;
+  flex-wrap: wrap;
+}
+.admin-header-actions {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  flex-wrap: wrap;
+  justify-content: flex-end;
+  margin-left: auto;
+}
+.admin-top-menu {
+  display: flex;
+  align-items: center;
+  gap: 2px;
+  flex: 1;
+  min-width: 0;
+  overflow-x: auto;
+  scrollbar-width: none;
+  padding: 2px 0;
+}
+.admin-top-menu::-webkit-scrollbar { display: none; }
+.admin-top-menu-trigger {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  border: none;
+  background: transparent;
+  color: #5c5348;
+  font-size: 13px;
+  letter-spacing: 0.04em;
+  padding: 8px 12px;
+  border-radius: 10px;
+  cursor: pointer;
+  white-space: nowrap;
+  transition: background 0.15s, color 0.15s;
+}
+.admin-top-menu-trigger:hover {
+  background: rgba(168, 140, 107, 0.08);
+  color: #967b5c;
+}
+.admin-top-menu-trigger.active {
+  color: #a88c6b;
+  background: rgba(168, 140, 107, 0.12);
+  font-weight: 500;
+}
+.admin-top-menu-caret {
+  font-size: 9px;
+  opacity: 0.65;
+}
+.admin-top-dropdown :deep(.ant-dropdown-menu-item-selected) {
+  color: #a88c6b;
+  background: rgba(168, 140, 107, 0.12);
+}
 .admin-shell {
   margin: 0 auto;
   padding: 20px 16px 40px;
@@ -2267,15 +2366,6 @@ onUnmounted(() => {
   border: 1px solid rgba(168, 140, 107, 0.14);
   border-radius: 16px;
   box-shadow: 0 8px 28px rgba(88, 68, 42, 0.05);
-}
-.admin-shell--top .admin-nav {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 10px 18px;
-  padding: 14px 16px 12px;
-  margin-bottom: 16px;
-}
-.admin-shell--side .admin-nav {
   position: sticky;
   top: 68px;
   width: 212px;
@@ -2291,27 +2381,21 @@ onUnmounted(() => {
   margin-bottom: 6px;
   padding: 0 6px;
 }
-.admin-shell--top .admin-nav-group {
-  min-width: 0;
-}
-.admin-shell--side .admin-nav-group + .admin-nav-group {
+.admin-nav-group + .admin-nav-group {
   margin-top: 14px;
   padding-top: 12px;
   border-top: 1px dashed rgba(168, 140, 107, 0.22);
 }
 .admin-nav-items {
   display: flex;
-  flex-wrap: wrap;
-  gap: 6px;
-}
-.admin-shell--side .admin-nav-items {
   flex-direction: column;
-  flex-wrap: nowrap;
+  gap: 6px;
 }
 .admin-nav-item {
   display: inline-flex;
   align-items: center;
   gap: 8px;
+  width: 100%;
   border: 1px solid transparent;
   background: transparent;
   color: #5c5348;
@@ -2323,9 +2407,6 @@ onUnmounted(() => {
   transition: background 0.15s, color 0.15s, border-color 0.15s;
   text-align: left;
 }
-.admin-shell--side .admin-nav-item {
-  width: 100%;
-}
 .admin-nav-item:hover {
   background: rgba(168, 140, 107, 0.08);
   color: #967b5c;
@@ -2351,29 +2432,33 @@ onUnmounted(() => {
   color: #a88c6b;
   text-align: center;
 }
-.admin-shell--top .admin-nav-credit {
-  width: 100%;
-  margin-top: 4px;
-  padding-top: 10px;
-}
 .admin-main {
   min-width: 0;
   flex: 1;
 }
+@media (max-width: 960px) {
+  .admin-top-menu {
+    order: 3;
+    flex: 1 1 100%;
+    border-top: 1px solid rgba(168, 140, 107, 0.12);
+    margin-top: 2px;
+    padding-top: 8px;
+  }
+}
 @media (max-width: 860px) {
   .admin-shell--side {
     flex-direction: column;
   }
-  .admin-shell--side .admin-nav {
+  .admin-nav {
     position: static;
     width: 100%;
     max-height: none;
   }
-  .admin-shell--side .admin-nav-items {
+  .admin-nav-items {
     flex-direction: row;
     flex-wrap: wrap;
   }
-  .admin-shell--side .admin-nav-item {
+  .admin-nav-item {
     width: auto;
   }
 }
diff --git a/vite-tailwindcss/src/views/hb/index.vue b/vite-tailwindcss/src/views/hb/index.vue
index 4c62b03..141cd90 100644
--- a/vite-tailwindcss/src/views/hb/index.vue
+++ b/vite-tailwindcss/src/views/hb/index.vue
@@ -194,6 +194,127 @@ function applyPageMeta() {
   }
 }
 
+function parseObjectPosition(value) {
+  const parts = String(value || '50% 50%').trim().split(/\s+/)
+  const map = { left: 0, top: 0, center: 50, right: 100, bottom: 100 }
+  const toPct = (token, fallback) => {
+    if (token == null) return fallback
+    if (map[token] != null) return map[token]
+    const n = parseFloat(token)
+    return Number.isFinite(n) ? n : fallback
+  }
+  return {
+    x: toPct(parts[0], 50),
+    y: toPct(parts[1] ?? parts[0], 50),
+  }
+}
+
+/** 按 object-fit / object-position 把「屏幕上看到的那一块」画到 canvas */
+function drawObjectFittedImage(ctx, img, cw, ch, fit, posX, posY) {
+  const nw = img.naturalWidth
+  const nh = img.naturalHeight
+  if (!nw || !nh || cw <= 0 || ch <= 0) return
+  const mode = fit === 'contain' ? 'contain' : 'cover'
+  const scale = mode === 'contain'
+    ? Math.min(cw / nw, ch / nh)
+    : Math.max(cw / nw, ch / nh)
+  const dw = nw * scale
+  const dh = nh * scale
+  const dx = (cw - dw) * (posX / 100)
+  const dy = (ch - dh) * (posY / 100)
+  ctx.drawImage(img, 0, 0, nw, nh, dx, dy, dw, dh)
+}
+
+/**
+ * html2canvas 不尊重 object-fit/object-position，会把整张原图塞进框里。
+ * 截图前把 cover/contain 图烘焙成「当前可见裁切」，截完再还原。
+ */
+async function bakeObjectFitImages(root) {
+  const imgs = [...root.querySelectorAll('img')].filter((img) => {
+    const fit = getComputedStyle(img).objectFit
+    return fit === 'cover' || fit === 'contain'
+  })
+  if (!imgs.length) return () => {}
+
+  const loadCorsImage = (src) => new Promise((resolve, reject) => {
+    const im = new Image()
+    im.crossOrigin = 'anonymous'
+    im.onload = () => resolve(im)
+    im.onerror = () => reject(new Error('image load failed'))
+    im.src = src
+  })
+
+  const restores = []
+  for (const img of imgs) {
+    const rect = img.getBoundingClientRect()
+    const w = Math.max(1, Math.round(rect.width))
+    const h = Math.max(1, Math.round(rect.height))
+    const cs = getComputedStyle(img)
+    const { x: posX, y: posY } = parseObjectPosition(cs.objectPosition)
+    const fit = cs.objectFit === 'contain' ? 'contain' : 'cover'
+    const src = img.currentSrc || img.src
+    if (!src) continue
+
+    let source = img
+    if (!img.naturalWidth) {
+      try { source = await loadCorsImage(src) } catch { continue }
+    }
+
+    const bakeScale = Math.min(3, Math.max(2, window.devicePixelRatio || 2))
+    const canvas = document.createElement('canvas')
+    canvas.width = Math.max(1, Math.round(w * bakeScale))
+    canvas.height = Math.max(1, Math.round(h * bakeScale))
+    const ctx = canvas.getContext('2d')
+    if (!ctx) continue
+    ctx.imageSmoothingEnabled = true
+    ctx.imageSmoothingQuality = 'high'
+    ctx.scale(bakeScale, bakeScale)
+
+    let dataUrl = ''
+    try {
+      drawObjectFittedImage(ctx, source, w, h, fit, posX, posY)
+      dataUrl = canvas.toDataURL('image/png')
+    } catch {
+      // 可能被跨域污染：改用带 CORS 的图重试
+      try {
+        source = await loadCorsImage(src)
+        ctx.setTransform(1, 0, 0, 1, 0, 0)
+        ctx.clearRect(0, 0, canvas.width, canvas.height)
+        ctx.scale(bakeScale, bakeScale)
+        drawObjectFittedImage(ctx, source, w, h, fit, posX, posY)
+        dataUrl = canvas.toDataURL('image/png')
+      } catch {
+        continue
+      }
+    }
+    if (!dataUrl) continue
+
+    const prev = {
+      src: img.getAttribute('src'),
+      objectFit: img.style.objectFit,
+      objectPosition: img.style.objectPosition,
+      width: img.style.width,
+      height: img.style.height,
+    }
+    img.setAttribute('src', dataUrl)
+    img.style.objectFit = 'fill'
+    img.style.objectPosition = '50% 50%'
+    img.style.width = `${w}px`
+    img.style.height = `${h}px`
+    restores.push(() => {
+      if (prev.src != null) img.setAttribute('src', prev.src)
+      else img.removeAttribute('src')
+      img.style.objectFit = prev.objectFit
+      img.style.objectPosition = prev.objectPosition
+      img.style.width = prev.width
+      img.style.height = prev.height
+    })
+  }
+
+  await new Promise((r) => requestAnimationFrame(() => requestAnimationFrame(r)))
+  return () => restores.forEach((fn) => fn())
+}
+
 async function mountCaptureQr(host) {
   const isSplit = host.classList.contains('sp-card')
   const target = isSplit
@@ -249,25 +370,42 @@ async function savePosterImage() {
   const el = document.querySelector('[data-poster-capture]')
   if (!el) return
   savingImg.value = true
-  let cleanup = null
+  let cleanupQr = null
+  let cleanupBake = null
   try {
-    cleanup = await mountCaptureQr(el)
+    cleanupBake = await bakeObjectFitImages(el)
+    cleanupQr = await mountCaptureQr(el)
+    // 按元素实际宽度抬升倍率：目标约 1600px 宽，最高 3x，避免手机导出糊成一片
+    const baseW = Math.max(1, el.getBoundingClientRect().width || el.offsetWidth || 390)
+    const scale = Math.min(3, Math.max(2.75, 1600 / baseW))
     const canvas = await html2canvas(el, {
       useCORS: true,
       allowTaint: true,
       backgroundColor: '#7a0000',
-      scale: Math.min(2, window.devicePixelRatio || 2),
+      scale,
+      logging: false,
+      imageTimeout: 20000,
+      removeContainer: true,
       ignoreElements: (node) => !!node?.hasAttribute?.('data-html2canvas-ignore'),
     })
+
+    const blob = await new Promise((resolve, reject) => {
+      canvas.toBlob(
+        (b) => (b ? resolve(b) : reject(new Error('导出失败'))),
+        'image/png',
+      )
+    })
     const a = document.createElement('a')
     a.download = `婚礼海报-${posterSideMeta(cfg.side).label}-${Date.now()}.png`
-    a.href = canvas.toDataURL('image/png')
+    a.href = URL.createObjectURL(blob)
     a.click()
+    setTimeout(() => URL.revokeObjectURL(a.href), 4000)
   } catch (e) {
     console.error(e)
     window.alert('保存失败，请稍后重试（跨域图片可能导致无法导出）')
   } finally {
-    cleanup?.()
+    cleanupQr?.()
+    cleanupBake?.()
     savingImg.value = false
   }
 }
diff --git a/vite-tailwindcss/src/views/hb/templates/ClassicPoster.vue b/vite-tailwindcss/src/views/hb/templates/ClassicPoster.vue
index 730bfc4..f114278 100644
--- a/vite-tailwindcss/src/views/hb/templates/ClassicPoster.vue
+++ b/vite-tailwindcss/src/views/hb/templates/ClassicPoster.vue
@@ -42,6 +42,7 @@
               :src="cfg.heroImg"
               alt=""
               class="hb-hero-img"
+              crossorigin="anonymous"
               :style="{ objectPosition: heroObjectPosition }"
             />
             <div v-else class="hb-hero-placeholder">婚礼照片</div>
diff --git a/vite-tailwindcss/src/views/hb/templates/SplitPoster.vue b/vite-tailwindcss/src/views/hb/templates/SplitPoster.vue
index c394c28..78a5832 100644
--- a/vite-tailwindcss/src/views/hb/templates/SplitPoster.vue
+++ b/vite-tailwindcss/src/views/hb/templates/SplitPoster.vue
@@ -13,6 +13,7 @@
             v-if="cfg.heroImg"
             :src="cfg.heroImg"
             alt=""
+            crossorigin="anonymous"
             :style="{ objectPosition: heroObjectPosition }"
           />
           <div v-else class="sp-photo-ph">婚礼照片</div>