fix(sync): 恢复「拉取最新版本」自定义弹窗 + 修复 sync-btn 样式回归

问题：commit 765d9f5 意外覆盖了 ac1e36e 中的自定义弹窗代码
修复内容：
1. 恢复自定义确认弹窗（sync-confirm）：毛玻璃遮罩 + 圆角卡片 + pld-btn 按钮
2. 恢复自定义结果弹窗（sync-result）：成功/失败变色 + 滚动详情区域
3. 恢复 confirmSyncLatest / closeSyncConfirm / closeSyncResult 等函数
4. 恢复弹窗 CSS 样式（.sync-mask/.sync-confirm/.sync-result/.pld-btn）
5. 修复 sync-btn 样式回归：运行态透明背景 + 无阴影，旋转动画移到内部 span

frontend/src/views/SearchView.vue

@@ -241,18 +241,20 @@ async function onCleanConfirmed(res) {
 // —— 一键拉取存量包最新版本 ——
 const summaryShown = ref(false)
 
-async function doSyncLatest() {
+const syncConfirmOpen = ref(false)
-  const sp = state.syncProgress
+const syncResultOpen = ref(false)
-  if (sp.running) return
+const syncResultDetail = ref('')
-  try {
+const syncResultFailed = ref(false)
-    await ElMessageBox.confirm(
+
-      '将查询上游 npm registry，为存量包拉取每个包的最新版本（已缓存最新版会自动跳过）。',
+function openSyncConfirm() {
-      '拉取最新版本',
+  if (state.syncProgress.running) return
-      { type: 'info', confirmButtonText: '开始拉取', cancelButtonText: '取消', closeOnClickModal: false },
+  syncConfirmOpen.value = true
-    )
+}
-  } catch {
+function closeSyncConfirm() {
-    return // 用户取消
+  syncConfirmOpen.value = false
-  }
+}
+async function confirmSyncLatest() {
+  closeSyncConfirm()
   summaryShown.value = false
   const res = await syncLatest()
   if (!res.ok) return
@@ -263,6 +265,10 @@ async function doSyncLatest() {
   // 任务异步执行，完成后由下方 watch 弹出汇总
 }
 
+function closeSyncResult() {
+  syncResultOpen.value = false
+}
+
 watch(
   () => state.syncProgress.running,
   async (running, prev) => {
@@ -274,18 +280,17 @@ watch(
         detail.push(`❌ 拉取失败 ${sp.failed} 个`)
         if (sp.failedList.length) detail.push(`失败明细：\n${sp.failedList.map(f => `· ${f}`).join('\n')}`)
       }
-      try {
+      syncResultDetail.value = detail.join('\n')
-        await ElMessageBox.alert(detail.join('\n'), sp.failed ? '拉取完成（部分失败）' : '拉取完成', {
+      syncResultFailed.value = !!sp.failed
-          confirmButtonText: '知道了',
+      syncResultOpen.value = true
-          type: sp.failed ? 'warning' : 'success',
-        })
-      } catch {
-        /* 用户关闭弹窗无需处理 */
-      }
     }
   },
 )
 
+async function doSyncLatest() {
+  openSyncConfirm()
+}
+
 // —— npm 包清单：查看/编辑入口 + 按清单手动拉取（后台执行，失败自动重试 3 次） ——
 const pkgListOpen = ref(false)
 const pullLoading = ref(null)
@@ -424,7 +429,9 @@ const pendingCount = computed(() => state.pkgList.items.filter(i => i.status ===
           :class="{ on: state.syncProgress.running }"
           :title="state.syncProgress.running ? `正在拉取… ${state.syncProgress.processed}/${state.syncProgress.total}` : '一键拉取存量包最新版本'"
           @click.stop="doSyncLatest"
-        >{{ state.syncProgress.running ? '⏳' : '📥' }}</button>
+        >
+          <span :class="state.syncProgress.running ? 'sync-spin' : ''">{{ state.syncProgress.running ? '⏳' : '📥' }}</span>
+        </button>
         <div class="dd">
           <button class="dd-btn" :class="{ on: filterOpen }" title="快捷筛选" @click.stop="toggleFilter">🎚️</button>
           <Transition name="dd">
@@ -525,6 +532,33 @@ const pendingCount = computed(() => state.pkgList.items.filter(i => i.status ===
     @confirmed="onCleanConfirmed"
   />
   <PkgListDrawer v-model:visible="pkgListOpen" />
+
+  <!-- 一键拉取确认弹窗（统一风格） -->
+  <Transition name="dd">
+    <div v-if="syncConfirmOpen" class="sync-mask" @click.self="closeSyncConfirm">
+      <div class="sync-confirm">
+        <div class="sync-confirm-title">拉取最新版本</div>
+        <div class="sync-confirm-body">将查询上游 npm registry，为存量包拉取每个包的最新版本（已缓存最新版会自动跳过）。</div>
+        <div class="sync-confirm-ops">
+          <button class="pld-btn" @click="closeSyncConfirm">取消</button>
+          <button class="pld-btn primary" @click="confirmSyncLatest">开始拉取</button>
+        </div>
+      </div>
+    </div>
+  </Transition>
+
+  <!-- 拉取结果弹窗 -->
+  <Transition name="dd">
+    <div v-if="syncResultOpen" class="sync-mask" @click.self="closeSyncResult">
+      <div class="sync-result" :class="{ warn: syncResultFailed }">
+        <div class="sync-result-title">{{ syncResultFailed ? '拉取完成（部分失败）' : '拉取完成' }}</div>
+        <pre class="sync-result-body">{{ syncResultDetail }}</pre>
+        <div class="sync-result-ops">
+          <button class="pld-btn primary" @click="closeSyncResult">知道了</button>
+        </div>
+      </div>
+    </div>
+  </Transition>
 </template>
 
 <style scoped>
@@ -669,11 +703,12 @@ const pendingCount = computed(() => state.pkgList.items.filter(i => i.status ===
 .dd-btn:hover { border-color: color-mix(in srgb, var(--orange) 60%, transparent); }
 .dd-btn.on { background: var(--green); border-color: var(--green); box-shadow: 0 6px 14px -4px rgba(50, 205, 50, .5); }
 .sync-btn { font-size: 17px; }
-.sync-btn.on { animation: sync-spin 1.1s linear infinite; }
+.sync-btn.on { background: transparent; border-color: var(--line); box-shadow: none; }
 @keyframes sync-spin {
   0% { transform: rotate(0deg); }
   100% { transform: rotate(360deg); }
 }
+.sync-spin { animation: sync-spin 1.1s linear infinite; display: inline-block; }
 /* npm 包清单入口角标 + 拉取按钮（含失败角标） */
 .pkglist-btn { position: relative; font-size: 16px; }
 .pkg-badge {
@@ -781,6 +816,54 @@ const pendingCount = computed(() => state.pkgList.items.filter(i => i.status ===
 .empty-tip { padding: 40px 0; text-align: center; color: var(--ink-faint); font-size: 12.5px; }
 .loading-tip { text-align: center; padding: 40px 0; color: var(--ink-faint); font-size: 13px; }
 
+/* —— 一键拉取弹窗（统一风格） —— */
+.sync-mask {
+  position: fixed; inset: 0; z-index: 500;
+  display: grid; place-items: center;
+  background: rgba(18, 16, 14, .38);
+  backdrop-filter: blur(14px) saturate(1.3);
+}
+html[data-theme="bright"] .sync-mask {
+  background: rgba(244, 242, 239, .45);
+  backdrop-filter: blur(14px) saturate(1.3);
+}
+.sync-confirm, .sync-result {
+  width: min(420px, 92vw);
+  background: var(--card);
+  border: 1.5px solid var(--line);
+  border-radius: 18px;
+  box-shadow: 0 30px 70px -20px rgba(0, 0, 0, .5);
+  padding: 22px 24px;
+  display: flex; flex-direction: column; gap: 14px;
+}
+html[data-theme="bright"] .sync-confirm,
+html[data-theme="bright"] .sync-result {
+  box-shadow: 0 30px 70px -20px rgba(0, 0, 0, .22);
+}
+.sync-confirm-title, .sync-result-title { font-size: 15px; font-weight: 800; }
+.sync-confirm-body { font-size: 13px; color: var(--ink-dim); line-height: 1.6; }
+.sync-result-body {
+  font-size: 12.5px; color: var(--ink-dim); line-height: 1.7;
+  white-space: pre-wrap; max-height: 50vh; overflow: auto;
+  padding: 10px 12px; border-radius: 10px; background: var(--panel-soft);
+}
+.sync-confirm-ops, .sync-result-ops {
+  display: flex; justify-content: flex-end; gap: 10px;
+}
+.sync-result.warn .sync-result-title { color: var(--red); }
+
+/* —— 弹窗按钮（与 PkgListDrawer 统一风格） —— */
+.pld-btn {
+  display: inline-flex; align-items: center; gap: 6px;
+  height: 36px; padding: 0 16px; border-radius: 12px;
+  border: 1.5px solid var(--line); background: var(--card);
+  color: var(--ink-dim); font-size: 12.5px; font-weight: 600;
+  cursor: pointer; transition: .15s;
+}
+.pld-btn:hover { border-color: color-mix(in srgb, var(--orange) 60%, transparent); color: var(--orange); }
+.pld-btn.primary { background: var(--grad-main); border-color: transparent; color: #fff; box-shadow: 0 8px 18px -6px rgba(255, 140, 0, .55); }
+.pld-btn.primary:hover { transform: translateY(-1px); }
+
 @media (max-width: 767px) {
   .search-box { height: 48px; }
   .search-box .s-go { display: none; }