diff --git a/uniapp/youjiala/src/components/file-action-sheet/file-action-sheet.vue b/uniapp/youjiala/src/components/file-action-sheet/file-action-sheet.vue
new file mode 100644
index 0000000..2ead6af
--- /dev/null
+++ b/uniapp/youjiala/src/components/file-action-sheet/file-action-sheet.vue
@@ -0,0 +1,258 @@
+<script setup lang="ts">
+/**
+ * 文件操作面板：条目点「…」弹出的底部抽屉（图1 版式：头部信息 + 宫格动作 + 行式动作）。
+ * 动作集参考旧系统 DmsFileEnquiry 的单选规则（不同类型显示不同动作）：
+ * 目录只有 重命名/移动/删除；文件多一个 下载；非目录可 共享给设备内的用户/发布；
+ * 图片=预览、视频=播放、音频=试听（旧系统 preview/play-video/play-audio 三合一按类型取一）。
+ * 组件只渲染与派发 action，业务由页面统一处理；数据契约见 @/data/custom/fileBrowser。
+ */
+import type { PropType } from "vue";
+import type { FileItem, FileKind } from "@/data/custom/fileBrowser";
+import { useLocale } from "uview-pro";
+import { computed } from "vue";
+
+interface ActionDef {
+    key: string;
+    label: string;
+    icon: string;
+}
+
+const props = defineProps({
+    /** 面板是否展开 */
+    visible: {
+        type: Boolean,
+        default: false,
+    },
+    /** 目标条目；null 时渲染空面板（正常情况下 visible=true 必有值） */
+    file: {
+        type: Object as PropType<FileItem | null>,
+        default: null,
+    },
+});
+
+const emit = defineEmits<{
+    /** 抽屉关闭（遮罩/下滑） */
+    (e: "close"): void;
+    /** 点了某个动作，原样带上目标条目 */
+    (e: "action", key: string, file: FileItem): void;
+}>();
+
+const { t } = useLocale();
+
+// 类型 -> 头部图标与配色，与 file-grid-list 的 kindVisual 同一套
+const kindVisual: Record<Exclude<FileKind, "folder">, { icon: string; color: string }> = {
+    image: { icon: "photo-fill", color: "#0ea5e9" },
+    video: { icon: "play-right-fill", color: "#8b5cf6" },
+    document: { icon: "file-text-fill", color: "#3b82f6" },
+    audio: { icon: "volume-up", color: "#f59e0b" },
+};
+
+/** 宫格区：重命名/移动人人有；下载仅文件；删除收尾（旧系统目录也可删） */
+const gridActions = computed<ActionDef[]>(() => {
+    const file = props.file;
+    if (!file) {
+        return [];
+    }
+    const actions: ActionDef[] = [
+        { key: "rename", label: t("FilePage.actionRename"), icon: "edit-pen" },
+        { key: "move", label: t("FilePage.actionMove"), icon: "arrow-right-double" },
+    ];
+    if (file.kind !== "folder") {
+        actions.unshift({ key: "download", label: t("FilePage.actionDownload"), icon: "download" });
+    }
+    actions.push({ key: "delete", label: t("FilePage.actionDelete"), icon: "trash" });
+    return actions;
+});
+
+/** 行式区：媒体预览/播放（按类型取一）+ 共享/发布（仅文件，目录在旧系统被过滤） */
+const listActions = computed<ActionDef[]>(() => {
+    const file = props.file;
+    if (!file) {
+        return [];
+    }
+    const actions: ActionDef[] = [];
+    // 预览/播放命名（均不超 4 字）：图片=相册预览、视频=视频播放、音频=音乐播放
+    if (file.kind === "image") {
+        actions.push({ key: "preview", label: t("FilePage.actionAlbumShow"), icon: "eye" });
+    }
+    else if (file.kind === "video") {
+        actions.push({ key: "play", label: t("FilePage.actionVideoPlay"), icon: "play-circle-fill" });
+    }
+    else if (file.kind === "audio") {
+        actions.push({ key: "play", label: t("FilePage.actionAudioPlay"), icon: "volume" });
+    }
+    if (file.kind !== "folder") {
+        actions.push({ key: "share", label: t("FilePage.actionShare"), icon: "share-fill" });
+        // 发布命名：媒体类型统一「发布专辑」（不超 4 字），文档仍「发布」
+        const isMedia = file.kind === "image" || file.kind === "video" || file.kind === "audio";
+        actions.push({ key: "publish", label: isMedia ? t("FilePage.actionPublishAlbum") : t("FilePage.actionPublish"), icon: "volume-fill" });
+    }
+    return actions;
+});
+
+function onAction(action: ActionDef): void {
+    if (props.file) {
+        emit("action", action.key, props.file);
+    }
+}
+</script>
+
+<template>
+    <!-- u-popup 只认 modelValue（v-model），绑 :show 会静默弹不出 -->
+    <u-popup :model-value="visible" mode="bottom" round="24" @close="emit('close')">
+        <view class="file-action-sheet">
+            <!-- 头部：类型图标 + 名称/元信息 + 详情 -->
+            <view class="file-action-sheet__head">
+                <view v-if="file && file.kind === 'folder'" class="file-action-sheet__folder">
+                    <view class="file-action-sheet__folder-tab" />
+                    <view class="file-action-sheet__folder-body" />
+                </view>
+                <u-icon v-else-if="file" :name="kindVisual[file.kind as Exclude<FileKind, 'folder'>].icon" size="64"
+                    :color="kindVisual[file.kind as Exclude<FileKind, 'folder'>].color" />
+                <view class="file-action-sheet__meta">
+                    <text class="file-action-sheet__name">
+                        {{ file?.name }}
+                    </text>
+                    <text class="file-action-sheet__sub">
+                        {{ file && file.kind !== 'folder' ? `${file.sizeText} · ` : '' }}{{ file?.modifiedAt }}
+                    </text>
+                </view>
+                <view class="file-action-sheet__info" @tap="onAction({ key: 'detail', label: '', icon: '' })">
+                    <u-icon name="info-circle" size="40" color="#8f959e" />
+                </view>
+            </view>
+
+            <!-- 宫格动作（图1 第一排大按钮） -->
+            <view class="file-action-sheet__grid">
+                <view v-for="action in gridActions" :key="action.key" class="file-action-sheet__grid-btn"
+                    @tap="onAction(action)">
+                    <u-icon :name="action.icon" size="44" color="#1f2329" />
+                    <text class="file-action-sheet__grid-text">
+                        {{ action.label }}
+                    </text>
+                </view>
+            </view>
+
+            <!-- 行式动作（图1 下方整行菜单） -->
+            <view v-for="action in listActions" :key="action.key" class="file-action-sheet__row"
+                @tap="onAction(action)">
+                <text class="file-action-sheet__row-text">
+                    {{ action.label }}
+                </text>
+                <u-icon :name="action.icon" size="38" color="#1f2329" />
+            </view>
+
+            <view class="file-action-sheet__safe" />
+        </view>
+    </u-popup>
+</template>
+
+<style lang="scss" scoped>
+.file-action-sheet {
+    padding: 40rpx 32rpx 0;
+    background-color: #ffffff;
+
+    &__head {
+        display: flex;
+        align-items: center;
+        gap: 24rpx;
+        padding: 0 8rpx 32rpx;
+    }
+
+    /* 文件夹造型与 file-grid-list 同源：主体 + 左上页签 */
+    &__folder {
+        position: relative;
+        flex-shrink: 0;
+        width: 84rpx;
+        height: 68rpx;
+    }
+
+    &__folder-tab {
+        position: absolute;
+        top: 0;
+        left: 0;
+        width: 36rpx;
+        height: 16rpx;
+        border-radius: 8rpx 8rpx 0 0;
+        background-color: #6cb7ff;
+    }
+
+    &__folder-body {
+        position: absolute;
+        top: 12rpx;
+        left: 0;
+        right: 0;
+        bottom: 0;
+        border-radius: 10rpx;
+        background: linear-gradient(135deg, #7cc0ff, #3d8bfd);
+    }
+
+    &__meta {
+        display: flex;
+        flex: 1;
+        flex-direction: column;
+        gap: 8rpx;
+        min-width: 0;
+    }
+
+    &__name {
+        overflow: hidden;
+        font-size: 32rpx;
+        font-weight: 600;
+        color: #1f2329;
+        text-overflow: ellipsis;
+        white-space: nowrap;
+    }
+
+    &__sub {
+        font-size: 24rpx;
+        color: #8f959e;
+    }
+
+    &__info {
+        display: flex;
+        align-items: center;
+        padding: 8rpx;
+    }
+
+    &__grid {
+        display: flex;
+        gap: 16rpx;
+    }
+
+    &__grid-btn {
+        display: flex;
+        flex: 1;
+        align-items: center;
+        padding: 28rpx 0;
+        border-radius: 20rpx;
+        background-color: #f5f6f8;
+    }
+
+    &__grid-text {
+        margin-top: 14rpx;
+        font-size: 24rpx;
+        color: #1f2329;
+    }
+
+    &__row {
+        display: flex;
+        align-items: center;
+        justify-content: space-between;
+        margin-top: 16rpx;
+        padding: 28rpx 32rpx;
+        border-radius: 20rpx;
+        background-color: #f5f6f8;
+    }
+
+    &__row-text {
+        font-size: 28rpx;
+        color: #1f2329;
+    }
+
+    /* 底部留白：贴屏安全区（H5 无 env 时也有 32rpx 呼吸） */
+    &__safe {
+        height: calc(32rpx + env(safe-area-inset-bottom));
+    }
+}
+</style>
diff --git a/uniapp/youjiala/src/components/file-grid-list/file-grid-list.vue b/uniapp/youjiala/src/components/file-grid-list/file-grid-list.vue
index 4a33618..cc57fac 100644
--- a/uniapp/youjiala/src/components/file-grid-list/file-grid-list.vue
+++ b/uniapp/youjiala/src/components/file-grid-list/file-grid-list.vue
@@ -78,7 +78,8 @@ function onCardTap(file: FileItem): void {
         </view>
         <view v-for="file in files" :key="file.id" class="fgl-card"
             :class="{ 'fgl-card--selected': selectMode && isSelected(file) }">
-            <view class="fgl-card__more" @tap.stop="emit('more', file)">
+            <!-- 「更多」与多选勾选圈互斥：多选模式下只留 check 圆，不再同屏两个操作图标 -->
+            <view v-if="!selectMode" class="fgl-card__more" @tap.stop="emit('more', file)">
                 <u-icon name="more-dot-fill" size="30" color="#b8bcc4" />
             </view>
 
diff --git a/uniapp/youjiala/src/components/file-tab-filter/file-tab-filter.vue b/uniapp/youjiala/src/components/file-tab-filter/file-tab-filter.vue
index b40d97a..95aba9c 100644
--- a/uniapp/youjiala/src/components/file-tab-filter/file-tab-filter.vue
+++ b/uniapp/youjiala/src/components/file-tab-filter/file-tab-filter.vue
@@ -57,8 +57,10 @@ const emit = defineEmits<{
       <view class="file-tab-filter__tool" @tap="emit('toggle-view')">
         <u-icon :name="viewMode === 'grid' ? 'list' : 'grid-fill'" size="36" color="#1f2329" />
       </view>
+      <!-- 多选开关：两个图标互切——未进入给勾选圆，进入后给关闭圆（高亮蓝） -->
       <view class="file-tab-filter__tool" @tap="emit('toggle-select')">
-        <u-icon name="checkmark-circle" size="36" :color="selectMode ? '#2b8fff' : '#1f2329'" />
+        <u-icon :name="selectMode ? 'close-circle' : 'checkmark-circle'" size="36"
+          :color="selectMode ? '#2b8fff' : '#1f2329'" />
       </view>
     </view>
   </view>
diff --git a/uniapp/youjiala/src/components/quick-entry/quick-entry.vue b/uniapp/youjiala/src/components/quick-entry/quick-entry.vue
index 5682de4..19dae7d 100644
--- a/uniapp/youjiala/src/components/quick-entry/quick-entry.vue
+++ b/uniapp/youjiala/src/components/quick-entry/quick-entry.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
 /**
- * 快捷功能入口：横向滚动的图标按钮组（最近访问 / 收藏 / 已下载 / 团队文件 / 共享文件）。
+ * 快捷功能入口：横向滚动的图标按钮组（有家相册 / 音乐厅 / 影视厅 / 共享中心 / 回收站）。
  * 单项内容（图标名 + 渐变色 + 文案）全部由页面通过 items 传入，组件只渲染与派发点击。
  */
 import type { PropType } from "vue";
diff --git a/uniapp/youjiala/src/components/search-input/search-input.vue b/uniapp/youjiala/src/components/search-input/search-input.vue
index 72a1d91..b070de7 100644
--- a/uniapp/youjiala/src/components/search-input/search-input.vue
+++ b/uniapp/youjiala/src/components/search-input/search-input.vue
@@ -59,7 +59,7 @@ function onClear(): void {
 <style lang="scss" scoped>
 /* 分区卡片风格：外层透明露渐变底，胶囊内部浅白色、留描边定形 */
 .search-input {
-  padding: 2rpx 24rpx 0;
+  padding: 20rpx 24rpx 0;
 }
 
 .search-input__box {
diff --git a/uniapp/youjiala/src/locale/lang/en-US.json b/uniapp/youjiala/src/locale/lang/en-US.json
index 2ba676e..f00404d 100644
--- a/uniapp/youjiala/src/locale/lang/en-US.json
+++ b/uniapp/youjiala/src/locale/lang/en-US.json
@@ -27,11 +27,11 @@
   "FilePage": {
     "title": "Files",
     "searchPlaceholder": "Search",
-    "recent": "Recent",
-    "favorite": "Favorites",
-    "downloaded": "Downloaded",
-    "team": "Team Files",
-    "shared": "Shared",
+    "album": "Family Album",
+    "musicHall": "Music Hall",
+    "videoHall": "Video Hall",
+    "shareCenter": "Share Center",
+    "trash": "Trash",
     "catAll": "All",
     "catImage": "Images",
     "catVideo": "Videos",
@@ -42,6 +42,23 @@
     "sortTimeAsc": "Oldest first",
     "sortName": "Sort by name",
     "selectedCount": "{count} selected",
+    "selectAll": "Select All",
+    "unselectAll": "Unselect All",
+    "actionRename": "Rename",
+    "actionMove": "Move",
+    "actionDownload": "Download",
+    "actionDelete": "Delete",
+    "actionShare": "Share to Family",
+    "actionShareShort": "Share",
+    "actionPublish": "Publish",
+    "actionPublishAlbum": "Publish Album",
+    "actionPreview": "Preview",
+    "actionAlbumShow": "Album Preview",
+    "actionVideoPlay": "Play Video",
+    "actionAudioPlay": "Play Music",
+    "actionDetail": "Details",
+    "actionCancel": "Cancel",
+    "actionDone": "Done",
     "todoTip": "Coming soon",
     "todayLabel": "Today",
     "myCloud": "My Cloud",
diff --git a/uniapp/youjiala/src/locale/lang/zh-CN.json b/uniapp/youjiala/src/locale/lang/zh-CN.json
index 65321a1..aab6123 100644
--- a/uniapp/youjiala/src/locale/lang/zh-CN.json
+++ b/uniapp/youjiala/src/locale/lang/zh-CN.json
@@ -27,11 +27,11 @@
   "FilePage": {
     "title": "文件",
     "searchPlaceholder": "搜索",
-    "recent": "最近访问",
-    "favorite": "收藏",
-    "downloaded": "已下载",
-    "team": "团队文件",
-    "shared": "共享文件",
+    "album": "有家相册",
+    "musicHall": "音乐厅",
+    "videoHall": "影视厅",
+    "shareCenter": "共享中心",
+    "trash": "回收站",
     "catAll": "全部",
     "catImage": "图片",
     "catVideo": "视频",
@@ -42,6 +42,23 @@
     "sortTimeAsc": "按修改时间升序",
     "sortName": "按名称排序",
     "selectedCount": "已选 {count} 项",
+    "selectAll": "全选",
+    "unselectAll": "取消全选",
+    "actionRename": "重命名",
+    "actionMove": "移动",
+    "actionDownload": "下载",
+    "actionDelete": "删除",
+    "actionShare": "共享家人",
+    "actionShareShort": "共享",
+    "actionPublish": "发布",
+    "actionPublishAlbum": "发布专辑",
+    "actionPreview": "预览",
+    "actionAlbumShow": "相册预览",
+    "actionVideoPlay": "视频播放",
+    "actionAudioPlay": "音乐播放",
+    "actionDetail": "详情",
+    "actionCancel": "取消",
+    "actionDone": "完成",
     "todoTip": "功能开发中，敬请期待",
     "todayLabel": "今天",
     "myCloud": "我的云盘",
diff --git a/uniapp/youjiala/src/pages/tab/file.vue b/uniapp/youjiala/src/pages/tab/file.vue
index 214e3ae..72b964c 100644
--- a/uniapp/youjiala/src/pages/tab/file.vue
+++ b/uniapp/youjiala/src/pages/tab/file.vue
@@ -14,7 +14,7 @@
  * 目录导航：点文件夹下钻；子目录态隐藏底部 tabbar，返回箭头/面包屑退层级。
  * 权限暂用 UserOperation（见 routes.ts 的 PAGE_PERMISSIONS）；useAuthGuard 兜冷启动直达。
  */
-import type { FileCategory, FileItem, FileTabItem, QuickEntryItem } from "@/data/custom/fileBrowser";
+import type { FileCategory, FileItem, FileKind, FileTabItem, QuickEntryItem } from "@/data/custom/fileBrowser";
 import { useLocale } from "uview-pro";
 import { computed, ref, watch } from "vue";
 import { useAuthGuard, useDmsFiles, useThemeGradient } from "@/composables";
@@ -60,11 +60,11 @@ watch(atRoot, (root) => {
 const navTitle = computed(() => pathStack.value[pathStack.value.length - 1]?.displayName || t("FilePage.title"));
 
 const quickEntries = computed<QuickEntryItem[]>(() => [
-  { key: "recent", label: t("FilePage.recent"), icon: "clock", bgFrom: "#5ee7c1", bgTo: "#22c79f" },
-  { key: "favorite", label: t("FilePage.favorite"), icon: "star-fill", bgFrom: "#ff8a8a", bgTo: "#f0413e" },
-  { key: "downloaded", label: t("FilePage.downloaded"), icon: "arrow-down", bgFrom: "#a78bfa", bgTo: "#6d43e0" },
-  { key: "team", label: t("FilePage.team"), icon: "account", bgFrom: "#63b3ff", bgTo: "#1f7ae0" },
-  { key: "shared", label: t("FilePage.shared"), icon: "share-fill", bgFrom: "#5ec2ff", bgTo: "#2b8fff" },
+  { key: "album", label: t("FilePage.album"), icon: "photo", bgFrom: "#ff9a8b", bgTo: "#f0524a" },
+  { key: "musicHall", label: t("FilePage.musicHall"), icon: "volume", bgFrom: "#a78bfa", bgTo: "#6d43e0" },
+  { key: "videoHall", label: t("FilePage.videoHall"), icon: "play-circle-fill", bgFrom: "#63b3ff", bgTo: "#1f7ae0" },
+  { key: "shareCenter", label: t("FilePage.shareCenter"), icon: "share-fill", bgFrom: "#5ec2ff", bgTo: "#2b8fff" },
+  { key: "trash", label: t("FilePage.trash"), icon: "trash", bgFrom: "#b6bcc6", bgTo: "#7d848f" },
 ]);
 
 const tabs = computed<FileTabItem[]>(() => [
@@ -179,6 +179,128 @@ function onToggleSelect(): void {
   }
 }
 
+/** 全选：勾满当前过滤后可见的全部条目（被分类/关键字挡住的看不见就不选） */
+function onSelectAll(): void {
+  selectedIds.value = visibleFiles.value.map(f => f.id);
+}
+
+/** 取消全选：只清勾选，不退出多选模式 */
+function onClearSelect(): void {
+  selectedIds.value = [];
+}
+
+// ===== 多选底部操作栏（常驻非模态，不挡继续勾选）=====
+// 动作集照旧系统 OperatorStation 的多选子集：共享/发布要求无目录且同媒体类型，
+// 删除恒可用；重命名/移动在旧系统就是 isSingleItem 专属，多选不显示。
+
+interface MultiAction {
+  key: string;
+  label: string;
+  icon: string;
+  danger?: boolean;
+}
+
+/** 选中条目从全量 files 取：切换分类后被挡出可见集的已选项也要参与判定 */
+const selectedFiles = computed(() => files.value.filter(f => selectedIds.value.includes(f.id)));
+
+/** 多选时是否全部为同一媒体类型（图片/视频/音频），文档与目录不算 */
+const isSameMediaType = computed(() => {
+  const kinds = selectedFiles.value.map(f => f.kind);
+  if (kinds.length < 2) {
+    return false;
+  }
+  const [first] = kinds;
+  return (first === "image" || first === "video" || first === "audio") && kinds.every(k => k === first);
+});
+
+/** 旧系统共享/发布条件：!isDirectorySelected && (isSingleItem || isSameMediaTypeSelected) */
+const canSharePublish = computed(() => {
+  const picked = selectedFiles.value;
+  if (!picked.length || picked.some(f => f.kind === "folder")) {
+    return false;
+  }
+  return picked.length === 1 || isSameMediaType.value;
+});
+
+/** 选中集的统一媒体类型（动态命名用）：类型不一致或含目录时为 null */
+const pickedKind = computed<FileKind | null>(() => {
+  const picked = selectedFiles.value;
+  if (!picked.length) {
+    return null;
+  }
+  const [first] = picked;
+  return picked.every(f => f.kind === first.kind) ? first.kind : null;
+});
+
+/** 旧系统 publishTooltip 简化口径：媒体类型统一「发布专辑」（按钮不超 4 字），文档仍「发布」 */
+const publishLabel = computed(() => {
+  const kind = pickedKind.value;
+  return kind === "image" || kind === "video" || kind === "audio"
+    ? t("FilePage.actionPublishAlbum")
+    : t("FilePage.actionPublish");
+});
+
+/** 旧系统 previewTooltip 简化口径：图片=相册预览、视频=视频播放、音频=音乐播放（均不超 4 字） */
+const previewLabel = computed(() => {
+  switch (pickedKind.value) {
+    case "image": return t("FilePage.actionAlbumShow");
+    case "video": return t("FilePage.actionVideoPlay");
+    case "audio": return t("FilePage.actionAudioPlay");
+    default: return t("FilePage.actionPreview");
+  }
+});
+
+const previewIcon = computed(() => {
+  if (pickedKind.value === "video") {
+    return "play-circle-fill";
+  }
+  return pickedKind.value === "audio" ? "volume" : "eye";
+});
+
+/** 选中含文件即可下载（旧系统 onDownloadSelected 就是滤掉目录逐个循环下载） */
+const hasFileSelected = computed(() => selectedFiles.value.some(f => f.kind !== "folder"));
+
+/** 排1：下载（含文件即有）+ 共享/发布（同媒体类型且无目录）+ 删除恒在 */
+const multiActionsTop = computed<MultiAction[]>(() => {
+  const actions: MultiAction[] = [];
+  if (hasFileSelected.value) {
+    actions.push({ key: "download", label: t("FilePage.actionDownload"), icon: "download" });
+  }
+  if (canSharePublish.value) {
+    actions.push({ key: "share", label: t("FilePage.actionShareShort"), icon: "share-fill" });
+    actions.push({ key: "publish", label: publishLabel.value, icon: "volume-fill" });
+  }
+  actions.push({ key: "delete", label: t("FilePage.actionDelete"), icon: "trash", danger: true });
+  return actions;
+});
+
+/** 排2：预览——无目录且单选或同媒体类型（多图多选即相册连览）；重命名仅单选非目录；
+ *    移动有选即在（目录/混选都能整批挪）；取消恒在 */
+const multiActionsBottom = computed<MultiAction[]>(() => {
+  const actions: MultiAction[] = [];
+  const picked = selectedFiles.value;
+  if (picked.length) {
+    if (canSharePublish.value) {
+      actions.push({ key: "preview", label: previewLabel.value, icon: previewIcon.value });
+    }
+    if (picked.length === 1 && picked[0].kind !== "folder") {
+      actions.push({ key: "rename", label: t("FilePage.actionRename"), icon: "edit-pen" });
+    }
+    actions.push({ key: "move", label: t("FilePage.actionMove"), icon: "arrow-right-double" });
+  }
+  actions.push({ key: "cancel", label: t("FilePage.actionCancel"), icon: "close" });
+  return actions;
+});
+
+/** 多选动作：取消直接退出多选，其余待真实接口接入后在此分流 */
+function onMultiAction(key: string): void {
+  if (key === "cancel") {
+    onToggleSelect();
+    return;
+  }
+  toast(`${key} · ${t("FilePage.todoTip")}`);
+}
+
 function onToggleSelectItem(id: number): void {
   const index = selectedIds.value.indexOf(id);
   if (index >= 0) {
@@ -199,8 +321,17 @@ async function onOpen(file: FileItem): Promise<void> {
   toast(`${file.name} · ${t("FilePage.todoTip")}`);
 }
 
+// 「…」单选操作面板：记目标条目即展开（面板内动作按 kind 派生，见 file-action-sheet）
+const actionFile = ref<FileItem | null>(null);
+
 function onItemMore(file: FileItem): void {
-  toast(`${file.name} · ${t("FilePage.todoTip")}`);
+  actionFile.value = file;
+}
+
+/** 面板动作回调：真实接口逐个接入后在此分流，当前统一占位提示并收起面板 */
+function onSheetAction(key: string, file: FileItem): void {
+  actionFile.value = null;
+  toast(`${file.name} · ${key} · ${t("FilePage.todoTip")}`);
 }
 
 function onAdd(): void {
@@ -209,7 +340,9 @@ function onAdd(): void {
 </script>
 
 <template>
-  <app-page :hide-nav="true" :show-tabbar="atRoot">
+  <!-- 操作面板/多选操作栏展开时收起 tabbar：tabbar 在页面 fixed 层叠上下文之外，
+       弹层 z-index 再高也压不住它，直接隐藏最干净（主流云盘同款交互） -->
+  <app-page :hide-nav="true" :show-tabbar="atRoot && !actionFile && !selectMode">
     <view class="file-page" :style="{ background: themeBackground }">
       <!-- 上半屏整体固定，只有文件列表所在的 scroll-view 内部滚动（整页不滚） -->
       <view class="file-page__head">
@@ -232,6 +365,20 @@ function onAdd(): void {
           <text class="file-page__selection-text">
             {{ t("FilePage.selectedCount", { count: selectedIds.length }) }}
           </text>
+          <view class="file-page__selection-actions">
+            <view class="file-page__selection-btn file-page__selection-btn--primary" @click="onSelectAll">
+              <u-icon name="checkmark-circle-fill" size="28" color="#2b8fff" />
+              <text class="file-page__selection-btn-text">
+                {{ t("FilePage.selectAll") }}
+              </text>
+            </view>
+            <view class="file-page__selection-btn" @click="onClearSelect">
+              <u-icon name="minus-circle-fill" size="28" color="#5c626b" />
+              <text class="file-page__selection-btn-text">
+                {{ t("FilePage.unselectAll") }}
+              </text>
+            </view>
+          </view>
         </view>
       </view>
       <!-- 滚动窗口外层包装：margin/圆角/白底/裁剪放这层（scroll-view 根节点固定
@@ -261,7 +408,32 @@ function onAdd(): void {
           <view class="file-page__tabbar-space" :class="{ 'file-page__tabbar-space--slim': !atRoot }" />
         </scroll-view>
       </view>
-      <float-add-btn @click="onAdd" />
+      <!-- 多选态加号让位底部操作栏，避免两个悬浮物打架 -->
+      <float-add-btn v-if="!selectMode" @click="onAdd" />
+      <file-action-sheet :visible="!!actionFile" :file="actionFile" @close="actionFile = null"
+        @action="onSheetAction" />
+      <!-- 多选底部操作栏：常驻非模态（无遮罩），勾选与动作可交替进行；
+           动作集是旧系统多选子集——共享/发布按同媒体类型条件，重命名/移动仅单选 -->
+      <view v-if="selectMode" class="file-page__actions">
+        <view class="file-page__actions-row">
+          <view v-for="action in multiActionsTop" :key="action.key" class="file-page__action-btn"
+            :class="{ 'file-page__action-btn--danger': action.danger }" @click="onMultiAction(action.key)">
+            <u-icon :name="action.icon" size="32" :color="action.danger ? '#f0413e' : '#1f2329'" />
+            <text class="file-page__action-text">
+              {{ action.label }}
+            </text>
+          </view>
+        </view>
+        <view class="file-page__actions-row">
+          <view v-for="action in multiActionsBottom" :key="action.key" class="file-page__action-btn"
+            @click="onMultiAction(action.key)">
+            <u-icon :name="action.icon" size="32" color="#1f2329" />
+            <text class="file-page__action-text">
+              {{ action.label }}
+            </text>
+          </view>
+        </view>
+      </view>
     </view>
   </app-page>
 </template>
@@ -322,6 +494,9 @@ function onAdd(): void {
 }
 
 .file-page__selection {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
   margin: 20rpx 24rpx 0;
   padding: 16rpx 32rpx;
   border-radius: 24rpx;
@@ -333,6 +508,82 @@ function onAdd(): void {
   color: #2b8fff;
 }
 
+/* 全选 / 取消全选：贴右并排的图标胶囊按钮 */
+.file-page__selection-actions {
+  display: flex;
+  align-items: center;
+  gap: 20rpx;
+}
+
+.file-page__selection-btn {
+  display: flex;
+  align-items: center;
+  gap: 8rpx;
+  padding: 10rpx 24rpx;
+  border: 2rpx solid #e6e7ea;
+  border-radius: 999rpx;
+  background-color: #f7f8fa;
+
+  &--primary {
+    border-color: #bcdcff;
+    background-color: #eaf4ff;
+  }
+}
+
+.file-page__selection-btn-text {
+  font-size: 24rpx;
+  color: #5c626b;
+
+  .file-page__selection-btn--primary & {
+    color: #2b8fff;
+  }
+}
+
+/* 多选底部操作栏：贴底常驻白底板，两排等分胶囊按钮 */
+.file-page__actions {
+  position: absolute;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  z-index: 9;
+  display: flex;
+  flex-direction: column;
+  gap: 16rpx;
+  padding: 24rpx 24rpx calc(24rpx + env(safe-area-inset-bottom));
+  border-radius: 32rpx 32rpx 0 0;
+  background-color: #ffffff;
+  box-shadow: 0 -4rpx 24rpx rgba(31, 35, 41, 0.06);
+}
+
+.file-page__actions-row {
+  display: flex;
+  gap: 16rpx;
+}
+
+.file-page__action-btn {
+  display: flex;
+  flex: 1;
+  align-items: center;
+  justify-content: center;
+  gap: 10rpx;
+  padding: 22rpx 0;
+  border-radius: 999rpx;
+  background-color: #f5f6f8;
+
+  &--danger {
+    background-color: #fdecec;
+  }
+}
+
+.file-page__action-text {
+  font-size: 26rpx;
+  color: #1f2329;
+
+  .file-page__action-btn--danger & {
+    color: #f0413e;
+  }
+}
+
 .file-page__state {
   display: flex;
   align-items: center;