1

admin/src/api/videos.js

@@ -20,3 +20,8 @@ export function reviewVideo(videoId, data) {
 export function offlineVideo(videoId, data) {
   return request.post(`/admin/videos/${videoId}/offline`, data)
 }
+
+/** 视频基础编辑 { title, description, cover_url, category_id, series_id, episode_no, status } */
+export function updateVideo(videoId, data) {
+  return request.put(`/admin/videos/${videoId}`, data)
+}

admin/src/layout/MainLayout.vue

@@ -71,6 +71,8 @@ const menuConfig = [
       { title: '发布视频', path: '/videos/create', icon: 'Upload', roles: [] },
       { title: '视频管理', path: '/videos', icon: 'Film', roles: [] },
       { title: '系列管理', path: '/series', icon: 'CollectionTag', roles: [] },
+      { title: '分类管理', path: '/categories', icon: 'Menu', roles: [] },
+      { title: '标签管理', path: '/tags', icon: 'PriceTag', roles: [] },
       { title: '评论管理', path: '/comments', icon: 'ChatDotRound', roles: [] },
       { title: '举报处理', path: '/reports', icon: 'Warning', roles: [] },
     ],

admin/src/router/index.js

@@ -58,6 +58,18 @@ const routes = [
         component: () => import('@/views/SeriesManage.vue'),
         meta: { title: '系列管理', icon: 'CollectionTag', roles: [] },
       },
+      {
+        path: 'categories',
+        name: 'category-manage',
+        component: () => import('@/views/CategoryManage.vue'),
+        meta: { title: '分类管理', icon: 'Menu', roles: [] },
+      },
+      {
+        path: 'tags',
+        name: 'tag-manage',
+        component: () => import('@/views/TagManage.vue'),
+        meta: { title: '标签管理', icon: 'PriceTag', roles: [] },
+      },
       {
         path: 'comments',
         name: 'comment-list',

admin/src/views/CategoryManage.vue

@@ -0,0 +1,168 @@
+<template>
+  <div class="cat-manage">
+    <el-card shadow="never">
+      <template #header>
+        <div class="header">
+          <span>分类管理</span>
+          <div>
+            <el-input v-model="keyword" placeholder="搜索分类名" clearable
+                      style="width: 200px; margin-right: 8px" @keyup.enter="load" />
+            <el-button type="primary" @click="showCreate">+ 新建分类</el-button>
+          </div>
+        </div>
+      </template>
+
+      <el-table :data="list" v-loading="loading" stripe>
+        <el-table-column prop="id" label="ID" width="70" />
+        <el-table-column prop="name" label="分类名" min-width="120" />
+        <el-table-column prop="sort" label="排序" width="80" />
+        <el-table-column label="状态" width="90">
+          <template #default="{ row }">
+            <el-tag :type="row.status === 1 ? 'success' : 'info'" size="small">
+              {{ row.status === 1 ? '启用' : '停用' }}
+            </el-tag>
+          </template>
+        </el-table-column>
+        <el-table-column prop="video_count" label="视频数" width="90" />
+        <el-table-column label="操作" width="180" fixed="right">
+          <template #default="{ row }">
+            <el-button link type="primary" @click="showEdit(row)">编辑</el-button>
+            <el-button link type="primary" @click="toggleStatus(row)">
+              {{ row.status === 1 ? '停用' : '启用' }}
+            </el-button>
+            <el-button link type="danger" @click="del(row)">删除</el-button>
+          </template>
+        </el-table-column>
+      </el-table>
+
+      <el-pagination
+        v-model:current-page="page"
+        :page-size="pageSize"
+        :total="total"
+        layout="total, prev, pager, next"
+        style="margin-top: 12px; text-align: right"
+        @current-change="load"
+      />
+    </el-card>
+
+    <!-- 新建/编辑弹窗 -->
+    <el-dialog v-model="dialogVisible" :title="editing ? '编辑分类' : '新建分类'" width="400px">
+      <el-form :model="form" label-width="80px">
+        <el-form-item label="分类名" required>
+          <el-input v-model="form.name" maxlength="50" show-word-limit />
+        </el-form-item>
+        <el-form-item label="排序（小→前）">
+          <el-input-number v-model="form.sort" :min="0" :max="9999" />
+        </el-form-item>
+        <el-form-item label="状态">
+          <el-radio-group v-model="form.status">
+            <el-radio :value="1">启用</el-radio>
+            <el-radio :value="0">停用</el-radio>
+          </el-radio-group>
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="dialogVisible = false">取消</el-button>
+        <el-button type="primary" :loading="submitting" @click="save">保存</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup>
+import { reactive, ref, onMounted } from 'vue'
+import { ElMessage, ElMessageBox } from 'element-plus'
+import request from '@/api/request'
+
+const list = ref([])
+const total = ref(0)
+const page = ref(1)
+const pageSize = 20
+const loading = ref(false)
+const keyword = ref('')
+const dialogVisible = ref(false)
+const editing = ref(null)
+const submitting = ref(false)
+
+const form = reactive({ name: '', sort: 0, status: 1 })
+
+onMounted(load)
+
+async function load() {
+  loading.value = true
+  try {
+    const r = await request({
+      url: '/admin/categories/admin', method: 'get',
+      params: { keyword: keyword.value || undefined, page: page.value, page_size: pageSize },
+    })
+    list.value = r.list
+    total.value = r.total
+  } catch (e) {} finally {
+    loading.value = false
+  }
+}
+
+function showCreate() {
+  editing.value = null
+  Object.assign(form, { name: '', sort: 0, status: 1 })
+  dialogVisible.value = true
+}
+
+function showEdit(row) {
+  editing.value = row
+  Object.assign(form, { name: row.name, sort: row.sort, status: row.status })
+  dialogVisible.value = true
+}
+
+async function save() {
+  if (!form.name.trim()) {
+    ElMessage.warning('分类名不能为空')
+    return
+  }
+  submitting.value = true
+  try {
+    if (editing.value) {
+      await request({
+        url: `/admin/categories/${editing.value.id}`, method: 'put',
+        data: { name: form.name, sort: form.sort, status: form.status },
+      })
+      ElMessage.success('已更新')
+    } else {
+      await request({
+        url: '/admin/categories', method: 'post',
+        data: { name: form.name, sort: form.sort, status: form.status },
+      })
+      ElMessage.success('已创建')
+    }
+    dialogVisible.value = false
+    load()
+  } catch (e) {} finally {
+    submitting.value = false
+  }
+}
+
+async function toggleStatus(row) {
+  const next = row.status === 1 ? 0 : 1
+  try {
+    await request({
+      url: `/admin/categories/${row.id}`, method: 'put',
+      data: { status: next },
+    })
+    ElMessage.success('已更新')
+    load()
+  } catch (e) {}
+}
+
+async function del(row) {
+  await ElMessageBox.confirm(`确认删除「${row.name}」？有视频绑定时拒绝删除。`, '警告', { type: 'warning' })
+  try {
+    await request({ url: `/admin/categories/${row.id}`, method: 'delete' })
+    ElMessage.success('已删除')
+    load()
+  } catch (e) {}
+}
+</script>
+
+<style scoped>
+.header { display: flex; justify-content: space-between; align-items: center; }
+</style>

admin/src/views/CreateVideo.vue

@@ -140,12 +140,12 @@ const rules = {
 
 onMounted(async () => {
   try {
-    const res = await request({ url: '/categories', method: 'get' })
-    categories.value = res.data || []
+    const res = await request({ url: '/admin/categories', method: 'get' })
+    categories.value = res || []
   } catch (e) {}
   try {
     const s = await request({ url: '/admin/series', method: 'get', params: { page_size: 200 } })
-    seriesList.value = s.data?.list || []
+    seriesList.value = s?.list || []
   } catch (e) {}
 })
 
@@ -158,8 +158,8 @@ async function uploadFile({ file }) {
   try {
     // 1) 先拿上传凭证
     const t = await request({ url: '/admin/videos/upload', method: 'post' })
-    const token = t.data.token
-    const uploadUrl = t.data.upload_url
+    const token = t.token
+    const uploadUrl = t.upload_url
     // 2) 上传文件（multipart/form-data，带 token query）
     const fd = new FormData()
     fd.append('file', file)
@@ -209,7 +209,7 @@ async function submit() {
       if (form.duration) payload.duration = form.duration
     }
     const res = await request({ url: '/admin/videos', method: 'post', data: payload })
-    const newVideoId = res.data?.video_id
+    const newVideoId = res?.video_id
     resultMsg.value = newVideoId
     // 如果选了系列 + 集数，绑定进去
     if (newVideoId && form.series_id && form.episode_no) {

admin/src/views/SeriesManage.vue

@@ -138,7 +138,7 @@ async function uploadCover(file) {
       url: '/admin/upload/image', method: 'post', data: fd,
       headers: { 'Content-Type': 'multipart/form-data' },
     })
-    form.cover_url = r.data.url
+    form.cover_url = r.url
     ElMessage.success('封面上传成功')
   } catch (e) {
     ElMessage.error(e?.message || '上传失败')
@@ -150,8 +150,8 @@ async function uploadCover(file) {
 onMounted(async () => {
   load()
   try {
-    const r = await request({ url: '/categories', method: 'get' })
-    categories.value = r.data || []
+    const r = await request({ url: '/admin/categories', method: 'get' })
+    categories.value = r || []
   } catch (e) {}
 })
 
@@ -162,8 +162,8 @@ async function load() {
       url: '/admin/series', method: 'get',
       params: { keyword: keyword.value, page: page.value, page_size: pageSize },
     })
-    list.value = r.data.list
-    total.value = r.data.total
+    list.value = r.list
+    total.value = r.total
   } catch (e) {} finally {
     loading.value = false
   }

admin/src/views/TagManage.vue

@@ -0,0 +1,178 @@
+<template>
+  <div class="tag-manage">
+    <el-card shadow="never">
+      <template #header>
+        <div class="header">
+          <span>标签管理</span>
+          <div>
+            <el-input v-model="keyword" placeholder="搜索标签名" clearable
+                      style="width: 200px; margin-right: 8px" @keyup.enter="load" />
+            <el-button type="primary" @click="showCreate">+ 新建标签</el-button>
+          </div>
+        </div>
+      </template>
+
+      <el-table :data="list" v-loading="loading" stripe>
+        <el-table-column prop="id" label="ID" width="70" />
+        <el-table-column prop="name" label="标签" min-width="140">
+          <template #default="{ row }">
+            <el-tag effect="plain">{{ row.name }}</el-tag>
+          </template>
+        </el-table-column>
+        <el-table-column prop="video_count" label="视频数" width="100" sortable />
+        <el-table-column prop="created_at" label="创建时间" width="180" />
+        <el-table-column label="操作" width="140" fixed="right">
+          <template #default="{ row }">
+            <el-button link type="primary" @click="showEdit(row)">重命名</el-button>
+            <el-button link type="danger" @click="del(row)">删除</el-button>
+          </template>
+        </el-table-column>
+      </el-table>
+
+      <el-pagination
+        v-model:current-page="page"
+        :page-size="pageSize"
+        :total="total"
+        layout="total, prev, pager, next"
+        style="margin-top: 12px; text-align: right"
+        @current-change="load"
+      />
+    </el-card>
+
+    <!-- 新建/编辑弹窗 -->
+    <el-dialog v-model="dialogVisible" :title="editing ? '重命名标签' : '新建标签（支持批量）'" width="400px">
+      <el-form :model="form" label-width="70px">
+        <el-form-item :label="editing ? '标签名' : '标签'">
+          <el-input
+            v-if="editing"
+            v-model="form.name"
+            maxlength="20"
+            show-word-limit
+          />
+          <el-input
+            v-else
+            v-model="form.name"
+            type="textarea"
+            :rows="3"
+            maxlength="500"
+            show-word-limit
+            placeholder="用 空格 / 逗号(, ，) / 句号(. 。) / 竖线(| ｜) / 换行 分隔多个标签，一次可创建多个"
+          />
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="dialogVisible = false">取消</el-button>
+        <el-button type="primary" :loading="submitting" @click="save">保存</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup>
+import { reactive, ref, onMounted } from 'vue'
+import { ElMessage, ElMessageBox } from 'element-plus'
+import request from '@/api/request'
+
+const list = ref([])
+const total = ref(0)
+const page = ref(1)
+const pageSize = 50
+const loading = ref(false)
+const keyword = ref('')
+const dialogVisible = ref(false)
+const editing = ref(null)
+const submitting = ref(false)
+
+const form = reactive({ name: '' })
+
+onMounted(load)
+
+async function load() {
+  loading.value = true
+  try {
+    const r = await request({
+      url: '/admin/tags', method: 'get',
+      params: { keyword: keyword.value || undefined, page: page.value, page_size: pageSize },
+    })
+    list.value = r.list
+    total.value = r.total
+  } catch (e) {} finally {
+    loading.value = false
+  }
+}
+
+function showCreate() {
+  editing.value = null
+  form.name = ''
+  dialogVisible.value = true
+}
+
+function showEdit(row) {
+  editing.value = row
+  form.name = row.name
+  dialogVisible.value = true
+}
+
+async function save() {
+  submitting.value = true
+  try {
+    if (editing.value) {
+      const name = form.name.trim()
+      if (!name) return ElMessage.warning('标签名不能为空')
+      if (name.length > 20) return ElMessage.warning('标签名不能超过 20 字')
+      await request({
+        url: `/admin/tags/${editing.value.id}`, method: 'put',
+        data: { name },
+      })
+      ElMessage.success('已更新')
+    } else {
+      // 批量分隔：空格/制表/换行/全半角逗号/全半角句号/全半角竖线
+      const tokens = form.name
+        .split(/[\s,，。.｜|]+/)
+        .map(s => s.trim())
+        .filter(Boolean)
+      // 去重 + 限长
+      const unique = [...new Set(tokens)].filter(t => t.length <= 20)
+      if (!unique.length) {
+        return ElMessage.warning('请至少输入一个标签')
+      }
+      const skipped = tokens.length - unique.length
+      let created = 0, dup = 0
+      for (const t of unique) {
+        try {
+          await request({ url: '/admin/tags', method: 'post', data: { name: t } })
+          created++
+        } catch (e) {
+          // 已存在的跳过（后端返回 DUPLICATE 错误）
+          dup++
+        }
+      }
+      const parts = [`成功创建 ${created} 个`]
+      if (dup) parts.push(`${dup} 个已存在跳过`)
+      if (skipped > 0) parts.push(`${skipped} 个重复合并`)
+      if (tokens.some(t => t.length > 20)) parts.push('超长标签已忽略')
+      ElMessage.success(parts.join('，'))
+    }
+    dialogVisible.value = false
+    load()
+  } catch (e) {} finally {
+    submitting.value = false
+  }
+}
+
+async function del(row) {
+  await ElMessageBox.confirm(
+    `确认删除标签「${row.name}」？同时会从 ${row.video_count} 条视频上解绑该标签。`,
+    '警告', { type: 'warning' }
+  )
+  try {
+    await request({ url: `/admin/tags/${row.id}`, method: 'delete' })
+    ElMessage.success('已删除')
+    load()
+  } catch (e) {}
+}
+</script>
+
+<style scoped>
+.header { display: flex; justify-content: space-between; align-items: center; }
+</style>

admin/src/views/VideoList.vue

@@ -25,6 +25,9 @@
       <el-table-column label="作者" width="140">
         <template #default="{ row }">{{ row.author?.nickname || '-' }}</template>
       </el-table-column>
+      <el-table-column label="分类" width="90">
+        <template #default="{ row }">{{ categoryName(row.category_id) }}</template>
+      </el-table-column>
       <el-table-column label="状态" width="100">
         <template #default="{ row }">
           <el-tag :type="statusTagType(row.status)" size="small">{{ row.status_text }}</el-tag>
@@ -33,9 +36,10 @@
       <el-table-column prop="view_count" label="播放" width="80" />
       <el-table-column prop="like_count" label="点赞" width="80" />
       <el-table-column prop="created_at" label="创建时间" width="170" />
-      <el-table-column label="操作" width="180" fixed="right">
+      <el-table-column label="操作" width="240" fixed="right">
         <template #default="{ row }">
           <el-button link type="primary" :icon="View" @click="openPreview(row)">预览</el-button>
+          <el-button link type="primary" :icon="Edit" @click="openEdit(row)">编辑</el-button>
           <el-button v-if="row.status === 2" link type="danger" :icon="Delete" @click="offline(row)">
             下架
           </el-button>
@@ -50,15 +54,65 @@
     </div>
 
     <VideoPreview v-model="previewVisible" :video-url="previewUrl" :title="previewTitle" />
+
+    <!-- 编辑弹窗 -->
+    <el-dialog v-model="editVisible" title="编辑视频" width="560px">
+      <el-form :model="editForm" label-width="90px">
+        <el-form-item label="标题">
+          <el-input v-model="editForm.title" maxlength="100" show-word-limit />
+        </el-form-item>
+        <el-form-item label="封面图">
+          <div class="edit-cover-row">
+            <el-image v-if="editForm.cover_url" :src="editForm.cover_url" fit="cover" class="edit-cover" />
+            <el-upload
+              :show-file-list="false"
+              :auto-upload="false"
+              accept="image/jpeg,image/png,image/webp"
+              :on-change="(f) => uploadEditCover(f)"
+            >
+              <el-button plain :loading="coverUploading">选择图片</el-button>
+            </el-upload>
+            <el-input v-model="editForm.cover_url" placeholder="或直接粘贴封面 URL" style="margin-left: 8px" />
+          </div>
+        </el-form-item>
+        <el-form-item label="分类">
+          <el-select v-model="editForm.category_id" placeholder="请选择" style="width: 100%" clearable>
+            <el-option v-for="c in categories" :key="c.id" :label="c.name" :value="c.id" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="归属系列">
+          <el-select v-model="editForm.series_id" placeholder="不归属系列" style="width: 100%" clearable
+                     @change="onEditSeriesChange">
+            <el-option v-for="s in seriesList" :key="s.id" :label="s.title" :value="s.id" />
+          </el-select>
+        </el-form-item>
+        <el-form-item v-if="editForm.series_id" label="第几集">
+          <el-input-number v-model="editForm.episode_no" :min="1" :max="9999" />
+        </el-form-item>
+        <el-form-item label="状态">
+          <el-select v-model="editForm.status" style="width: 100%">
+            <el-option v-for="(text, code) in STATUS_TEXT" :key="code" :label="text" :value="Number(code)" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="简介">
+          <el-input v-model="editForm.description" type="textarea" :rows="3" maxlength="500" show-word-limit />
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="editVisible = false">取消</el-button>
+        <el-button type="primary" :loading="editSubmitting" @click="saveEdit">保存</el-button>
+      </template>
+    </el-dialog>
   </div>
 </template>
 
 <script setup>
-import { Delete, Refresh, Search, View } from '@element-plus/icons-vue'
+import { Delete, Edit, Refresh, Search, View } from '@element-plus/icons-vue'
 import { ElMessage } from 'element-plus'
 import { onMounted, reactive, ref } from 'vue'
 
-import { listVideos, offlineVideo } from '@/api/videos'
+import request from '@/api/request'
+import { listVideos, offlineVideo, updateVideo } from '@/api/videos'
 import VideoPreview from '@/components/VideoPreview.vue'
 import { askReason } from '@/utils/reason'
 
@@ -80,14 +134,32 @@ const page = ref(1)
 const pageSize = ref(20)
 const filters = reactive({ keyword: '', status: '', author_id: '' })
 
+const categories = ref([])
+const seriesList = ref([])
+
 const previewVisible = ref(false)
 const previewUrl = ref('')
 const previewTitle = ref('')
 
+const editVisible = ref(false)
+const editSubmitting = ref(false)
+const coverUploading = ref(false)
+const editingVideoId = ref(null)
+const editForm = reactive({
+  title: '', description: '', cover_url: '',
+  category_id: 0, series_id: null, episode_no: null,
+  status: 2,
+})
+
 function statusTagType(status) {
   return STATUS_TAG[status] || 'info'
 }
 
+function categoryName(cid) {
+  const c = categories.value.find(x => x.id === cid)
+  return c?.name || (cid ? `#${cid}` : '-')
+}
+
 async function load() {
   loading.value = true
   try {
@@ -105,15 +177,9 @@ async function load() {
   }
 }
 
-function search() {
-  page.value = 1
-  load()
-}
-
+function search() { page.value = 1; load() }
 function reset() {
-  filters.keyword = ''
-  filters.status = ''
-  filters.author_id = ''
+  filters.keyword = ''; filters.status = ''; filters.author_id = ''
   search()
 }
 
@@ -127,30 +193,95 @@ async function offline(row) {
   let reason
   try {
     reason = await askReason({ title: '下架视频', message: `下架《${row.title}》并通知作者` })
-  } catch {
-    return
-  }
+  } catch { return }
   await offlineVideo(row.video_id, { reason })
   ElMessage.success('已下架')
   load()
 }
 
-onMounted(load)
+// ---------- 编辑弹窗 ----------
+function openEdit(row) {
+  editingVideoId.value = row.video_id
+  Object.assign(editForm, {
+    title: row.title || '',
+    description: row.description || '',
+    cover_url: row.cover_url || '',
+    category_id: row.category_id || 0,
+    series_id: row.series_id || null,
+    episode_no: row.episode_no || null,
+    status: row.status,
+  })
+  editVisible.value = true
+}
+
+function onEditSeriesChange() {
+  if (!editForm.series_id) editForm.episode_no = null
+}
+
+async function uploadEditCover(file) {
+  if (!file || !file.raw) return
+  coverUploading.value = true
+  try {
+    const fd = new FormData()
+    fd.append('file', file.raw)
+    const r = await request({
+      url: '/admin/upload/image', method: 'post', data: fd,
+      headers: { 'Content-Type': 'multipart/form-data' },
+    })
+    editForm.cover_url = r.url
+    ElMessage.success('封面上传成功')
+  } catch (e) {
+    ElMessage.error(e?.message || '上传失败')
+  } finally {
+    coverUploading.value = false
+  }
+}
+
+async function saveEdit() {
+  if (!editForm.title.trim()) { ElMessage.warning('标题不能为空'); return }
+  editSubmitting.value = true
+  try {
+    const payload = {
+      title: editForm.title.trim(),
+      description: editForm.description,
+      cover_url: editForm.cover_url,
+      category_id: editForm.category_id || 0,
+      status: editForm.status,
+    }
+    // 只有用户动过才提交
+    if (editForm.series_id) {
+      payload.series_id = editForm.series_id
+      if (editForm.episode_no) payload.episode_no = editForm.episode_no
+    }
+    await updateVideo(editingVideoId.value, payload)
+    ElMessage.success('已更新')
+    editVisible.value = false
+    load()
+  } catch (e) {} finally {
+    editSubmitting.value = false
+  }
+}
+
+onMounted(async () => {
+  load()
+  try {
+    categories.value = await request({ url: '/admin/categories', method: 'get' }) || []
+  } catch (e) {}
+  try {
+    const r = await request({ url: '/admin/series', method: 'get', params: { page_size: 200 } })
+    seriesList.value = r?.list || []
+  } catch (e) {}
+})
 </script>
 
 <style scoped>
 .cover {
-  width: 72px;
-  height: 40px;
-  border-radius: 4px;
+  width: 72px; height: 40px; border-radius: 4px;
 }
-
 .cover.placeholder {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  font-size: 12px;
-  color: #c0c4cc;
-  background-color: #f5f7fa;
+  display: flex; align-items: center; justify-content: center;
+  font-size: 12px; color: #c0c4cc; background-color: #f5f7fa;
 }
+.edit-cover-row { display: flex; align-items: center; width: 100%; }
+.edit-cover { width: 72px; height: 40px; border-radius: 4px; margin-right: 8px; object-fit: cover; }
 </style>

app/lib/core/player/feed_player_pool.dart

@@ -66,41 +66,51 @@ class FeedPlayerPool {
 
   /// 绑定窗口：index 为当前页；items 为已解析好播放地址的窗口数据源
   Future<void> bindWindow(int index, List<({int videoId, String url})> items) async {
-    _currentIndex = index;
-    // 1. 窗口内槽位按需加载（open 完才 play，libmpv 不接受未 open 的 play）
+    // 1. 先把**所有**出窗/旧槽位强制停掉（不保留任何正在播放的声音）
+    //    只允许窗口内 [index-1, index, index+1] 这 3 个槽位持有资源
+    final activeSet = <int>{};
+    for (var offset = -1; offset <= 1; offset++) {
+      final i = index + offset;
+      if (i >= 0 && i < items.length) activeSet.add(slotOf(i));
+    }
+    for (var s = 0; s < slotCount; s++) {
+      if (activeSet.contains(s)) continue;
+      final slot = _slots[s];
+      if (slot.videoId >= 0) {
+        // 确保旧视频彻底静音 + 停止解码（libmpv stop 不会立即断音 + 清缓存）
+        try { await slot.player.stop(); } catch (_) {}
+        slot.videoId = -1;
+        slot.completeNotified = false;
+      }
+    }
+
+    // 2. 窗口内槽位按需加载（open 完才 play）
     for (var offset = -1; offset <= 1; offset++) {
       final i = index + offset;
       if (i < 0 || i >= items.length) continue;
       final slot = _slots[slotOf(i)];
       final item = items[i];
-      if (slot.videoId == item.videoId) continue; // 已加载，避免重复 open
+      if (slot.videoId == item.videoId) continue;
       slot.videoId = item.videoId;
       slot.completeNotified = false;
       if (item.url.isNotEmpty) {
         await slot.player.open(Media(item.url), play: false);
       }
     }
-    // 2. 槽位状态：当前播、相邻预缓冲（保持 pause）、出窗复位
-    for (var s = 0; s < slotCount; s++) {
-      final slot = _slots[s];
-      if (s == slotOf(index)) continue;
-      if (slot.videoId == -1) continue;
-      if (_inWindow(slot.videoId, index, items)) {
-        slot.player.pause(); // 窗口内非当前：预缓冲不播放
-      } else {
-        slot.player.stop();
-        slot.videoId = -1; // 出窗复位
-      }
-    }
-    currentSlot.player.play();
-  }
 
-  bool _inWindow(int videoId, int index, List<({int videoId, String url})> items) {
+    // 3. 窗口内非当前：pause 预缓冲（但确保不出声）
     for (var offset = -1; offset <= 1; offset++) {
       final i = index + offset;
-      if (i >= 0 && i < items.length && items[i].videoId == videoId) return true;
+      if (i < 0 || i >= items.length) continue;
+      final slot = _slots[slotOf(i)];
+      if (i == index) continue; // 当前页留到最后统一 play
+      try {
+        slot.player.pause();
+      } catch (_) {}
     }
-    return false;
+
+    // 4. 当前槽：播放
+    currentSlot.player.play();
   }
 
   /// 每槽位独立订阅：≥95% 或播完触发一次 complete 回调

app/lib/screens/feed/feed_screen.dart

@@ -3,10 +3,8 @@ import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
-import 'package:share_plus/share_plus.dart';
 
 import '../../core/theme/app_theme.dart';
-import '../../core/utils/share_text.dart';
 import '../../models/video_item.dart';
 import '../../providers/feed_provider.dart';
 import 'widgets/comment_sheet.dart';
@@ -99,9 +97,6 @@ class _FeedScreenState extends ConsumerState<FeedScreen>
     if (mounted) notifier.pool.playCurrent();
   }
 
-  /// 系统分享面板（分享文案：标题 + 标签 + 播放链接）
-  void _share(VideoItem item) => Share.share(buildShareText(item));
-
   @override
   Widget build(BuildContext context) {
     final state = ref.watch(feedProvider(_strategy));
@@ -139,7 +134,6 @@ class _FeedScreenState extends ConsumerState<FeedScreen>
                   onLike: notifier.toggleLike,
                   onFavorite: notifier.toggleFavorite,
                   onComment: _openComments,
-                  onShare: _share,
                 );
               },
             ),

app/lib/screens/feed/widgets/feed_video_page.dart

@@ -1,8 +1,10 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
+import 'package:share_plus/share_plus.dart';
 
 import '../../../core/player/feed_player_pool.dart';
+import '../../../core/theme/app_theme.dart';
 import '../../../models/video_item.dart';
 import '../../../providers/auth_provider.dart';
 import 'feed_overlays.dart';
@@ -11,7 +13,7 @@ import 'video_info_section.dart';
 import 'video_player_view.dart';
 
 /// Feed 单页：播放器 + 手势层 + 互动栏 + 信息区 + 双击爱心动画
-/// 手势（《01-开发文档》5.3）：单击暂停/继续，双击点赞
+/// 手势（《01-开发文档》5.3）：单击暂停/继续，双击点赞，长按弹倍速/分享
 class FeedVideoPage extends ConsumerStatefulWidget {
   const FeedVideoPage({
     super.key,
@@ -22,26 +24,16 @@ class FeedVideoPage extends ConsumerStatefulWidget {
     required this.onLike,
     this.onFavorite,
     this.onComment,
-    this.onShare,
   });
 
   final VideoItem item;
   final int slotIndex;
   final FeedPlayerPool pool;
   final bool isCurrent;
-
-  /// 点赞回调（由上层接 feedProvider.toggleLike，内部判登录态）
   final void Function(int videoId) onLike;
-
-  /// 收藏回调（由上层接 feedProvider.toggleFavorite）
   final void Function(int videoId)? onFavorite;
-
-  /// 评论入口（打开评论弹层）
   final void Function(VideoItem item)? onComment;
 
-  /// 分享入口（系统分享面板）
-  final void Function(VideoItem item)? onShare;
-
   @override
   ConsumerState<FeedVideoPage> createState() => _FeedVideoPageState();
 }
@@ -49,24 +41,98 @@ class FeedVideoPage extends ConsumerStatefulWidget {
 class _FeedVideoPageState extends ConsumerState<FeedVideoPage> {
   int _likeBurstTrigger = 0;
 
+  static const _rates = [1.0, 1.25, 1.5, 2.0];
+
   void _onDoubleTap() {
-    // 游客双击：与点赞按钮一致守卫登录（《01-开发文档》2.1.1 游客不可点赞）
     if (!ref.read(authProvider).isLoggedIn) {
       context.go('/login');
       return;
     }
     setState(() => _likeBurstTrigger++);
-    // 双击：未点赞等同点赞；已点赞只播动画不改状态
-    if (!widget.item.isLiked) {
-      widget.onLike(widget.item.videoId);
-    }
+    if (!widget.item.isLiked) widget.onLike(widget.item.videoId);
+  }
+
+  void _onLongPress() {
+    showModalBottomSheet<void>(
+      context: context,
+      backgroundColor: Colors.white,
+      shape: const RoundedRectangleBorder(
+        borderRadius: BorderRadius.vertical(top: Radius.circular(16)),
+      ),
+      builder: (_) {
+        final currentRate = widget.pool.slotAt(widget.slotIndex).player.state.rate;
+        return SafeArea(
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              ListTile(
+                leading: const Icon(Icons.speed, color: AppColors.primary),
+                title: const Text('倍速播放'),
+                subtitle: Text('当前 ${currentRate.toStringAsFixed(2)}x'),
+                onTap: () {
+                  Navigator.of(context).pop();
+                  _showRateSheet();
+                },
+              ),
+              const Divider(height: 1),
+              ListTile(
+                leading: const Icon(Icons.share_outlined),
+                title: const Text('分享'),
+                onTap: () {
+                  Navigator.of(context).pop();
+                  _share();
+                },
+              ),
+              const SizedBox(height: 8),
+            ],
+          ),
+        );
+      },
+    );
+  }
+
+  void _showRateSheet() {
+    final currentRate = widget.pool.slotAt(widget.slotIndex).player.state.rate;
+    showModalBottomSheet<void>(
+      context: context,
+      backgroundColor: Colors.white,
+      shape: const RoundedRectangleBorder(
+        borderRadius: BorderRadius.vertical(top: Radius.circular(16)),
+      ),
+      builder: (_) => SafeArea(
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            for (final r in _rates)
+              ListTile(
+                title: Center(child: Text('${r}x')),
+                trailing: (currentRate - r).abs() < 0.01
+                    ? const Icon(Icons.check, color: AppColors.primary)
+                    : null,
+                onTap: () {
+                  widget.pool.slotAt(widget.slotIndex).player.setRate(r);
+                  Navigator.of(context).pop();
+                },
+              ),
+            const SizedBox(height: 8),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Future<void> _share() async {
+    final text = '${widget.item.title}\n${widget.item.videoUrl}';
+    await Share.share(text, subject: widget.item.title);
   }
 
   @override
   Widget build(BuildContext context) {
     return GestureDetector(
+      behavior: HitTestBehavior.opaque,
       onTap: widget.pool.toggleCurrent,
       onDoubleTap: _onDoubleTap,
+      onLongPress: _onLongPress,
       child: Container(
         color: Colors.black,
         child: Stack(
@@ -74,10 +140,7 @@ class _FeedVideoPageState extends ConsumerState<FeedVideoPage> {
           children: [
             // 底部渐变（提升文字可读性）
             const Positioned(
-              left: 0,
-              right: 0,
-              bottom: 0,
-              height: 160,
+              left: 0, right: 0, bottom: 0, height: 160,
               child: IgnorePointer(
                 child: DecoratedBox(
                   decoration: BoxDecoration(
@@ -91,9 +154,10 @@ class _FeedVideoPageState extends ConsumerState<FeedVideoPage> {
               ),
             ),
 
-            // 播放器
+            // 播放器（含抖音风格细进度条）
             VideoPlayerView(
-              controller: widget.pool.controllerAt(widget.slotIndex),
+              pool: widget.pool,
+              slotIndex: widget.slotIndex,
               coverUrl: widget.item.coverUrl,
               playing: widget.isCurrent && widget.pool.isCurrentPlaying,
             ),
@@ -101,24 +165,20 @@ class _FeedVideoPageState extends ConsumerState<FeedVideoPage> {
             // 双击爱心动画
             IgnorePointer(child: LikeBurst(trigger: _likeBurstTrigger)),
 
-            // 右侧互动栏
+            // 右侧互动栏（头像/点赞/评论/收藏 — 分享已移至长按菜单）
             Positioned(
-              right: 8,
-              bottom: 96,
+              right: 8, bottom: 96,
               child: InteractionBar(
                 item: widget.item,
                 onLike: widget.onLike,
                 onFavorite: widget.onFavorite,
                 onComment: widget.onComment,
-                onShare: widget.onShare,
               ),
             ),
 
             // 左下信息区
             Positioned(
-              left: 12,
-              right: 88,
-              bottom: 24,
+              left: 12, right: 88, bottom: 24,
               child: VideoInfoSection(item: widget.item),
             ),
           ],

app/lib/screens/feed/widgets/interaction_bar.dart

@@ -58,13 +58,6 @@ class InteractionBar extends ConsumerWidget {
           count: item.favoriteCount,
           onTap: () => _guard(context, ref, () => onFavorite?.call(item.videoId)),
         ),
-        const SizedBox(height: 16),
-        _ActionItem(
-          icon: Icons.share_outlined,
-          count: null,
-          label: '分享',
-          onTap: () => onShare?.call(item),
-        ),
       ],
     );
   }

app/lib/screens/feed/widgets/video_player_view.dart

@@ -1,67 +1,221 @@
-import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/material.dart';
 import 'package:media_kit_video/media_kit_video.dart';
 
-/// media_kit Video 包装：封面兜底、缓冲转圈、暂停态大播放图标
-///
-/// 封面仅在视频尚未渲染出第一帧时显示（player state 仍在初始 idle），
-/// 一旦 HLS 起播第一帧，封面立即淡出，避免「有声音没画面被封面挡住」。
-class VideoPlayerView extends StatelessWidget {
+import '../../../core/player/feed_player_pool.dart';
+
+/// Feed 用的抖音风格视频播放器：
+/// - 覆盖 Video(controller: pool.controllerAt(slot))
+/// - 底部一条 2px 细线进度条（已播白 / 未播半透明白）
+/// - 按住拖动变厚 + 出现 thumb，松手 seek 后恢复
+class VideoPlayerView extends StatefulWidget {
   const VideoPlayerView({
     super.key,
-    required this.controller,
+    required this.pool,
+    required this.slotIndex,
     required this.coverUrl,
     required this.playing,
   });
 
-  final VideoController controller;
+  final FeedPlayerPool pool;
+  final int slotIndex;
   final String coverUrl;
   final bool playing;
 
+  @override
+  State<VideoPlayerView> createState() => _VideoPlayerViewState();
+}
+
+class _VideoPlayerViewState extends State<VideoPlayerView> {
+  late final PlayerSlot _slot = widget.pool.slotAt(widget.slotIndex);
+  Duration _position = Duration.zero;
+  Duration _duration = Duration.zero;
+  bool _seeking = false;
+
+  @override
+  void initState() {
+    super.initState();
+    _slot.player.stream.position.listen((p) {
+      if (mounted && !_seeking) setState(() => _position = p);
+    });
+    _slot.player.stream.duration.listen((d) {
+      if (mounted) setState(() => _duration = d);
+    });
+  }
+
+  double get _value {
+    final total = _duration.inMilliseconds;
+    if (total <= 0) return 0;
+    final cur = _position.inMilliseconds.clamp(0, total);
+    return cur / total;
+  }
+
+  void _onSeekStart(double v) => setState(() => _seeking = true);
+  void _onSeek(double v) => setState(() {});
+  void _onSeekEnd(double v) {
+    _seeking = false;
+    final totalMs = _duration.inMilliseconds;
+    if (totalMs > 0) {
+      _slot.player.seek(Duration(milliseconds: (v * totalMs).round()));
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
-    final player = controller.player;
     return Stack(
       fit: StackFit.expand,
       children: [
-        // 播放器（无控制条，纯画面）
+        // 底层：纯画面（media_kit 官方 Video，无控制条）
         Video(
-          controller: controller,
+          controller: _slot.controller,
           controls: NoVideoControls,
           fit: BoxFit.contain,
         ),
 
-        // 封面兜底：仅在视频尚未开始渲染时显示
+        // 封面兜底：position==0 时显示（仅未渲染第一帧）
         StreamBuilder<Duration>(
-          stream: player.stream.position,
-          initialData: player.state.position,
+          stream: _slot.player.stream.position,
+          initialData: _slot.player.state.position,
           builder: (_, snapshot) {
             final pos = snapshot.data ?? Duration.zero;
-            // position == 0 说明还没渲染出第一帧（含初始加载和播完后）
             final showCover =
-                coverUrl.isNotEmpty && pos == Duration.zero;
+                widget.coverUrl.isNotEmpty && pos == Duration.zero;
             return showCover
-                ? CachedNetworkImage(
-                    imageUrl: coverUrl,
-                    fit: BoxFit.cover,
-                    errorWidget: (_, __, ___) => const SizedBox.shrink(),
+                ? Image.network(
+                    widget.coverUrl, fit: BoxFit.cover,
+                    errorBuilder: (_, __, ___) => const SizedBox.shrink(),
                   )
                 : const SizedBox.shrink();
           },
         ),
 
         // 暂停态大播放图标
-        if (!playing)
+        if (!widget.playing)
           const IgnorePointer(
             child: Center(
               child: Icon(
                 Icons.play_arrow_rounded,
-                size: 88,
-                color: Colors.white70,
+                size: 88, color: Colors.white70,
               ),
             ),
           ),
+
+        // 抖音风格细进度条（贴底，常驻）
+        Positioned(
+          left: 0, right: 0, bottom: 0,
+          child: _ThinProgressBar(
+            value: _value,
+            onChanged: _onSeek,
+            onChangeStart: _onSeekStart,
+            onChangeEnd: _onSeekEnd,
+          ),
+        ),
       ],
     );
   }
 }
+
+class _ThinProgressBar extends StatefulWidget {
+  const _ThinProgressBar({
+    required this.value,
+    required this.onChanged,
+    required this.onChangeStart,
+    required this.onChangeEnd,
+  });
+  final double value;
+  final ValueChanged<double> onChanged;
+  final ValueChanged<double> onChangeStart;
+  final ValueChanged<double> onChangeEnd;
+
+  @override
+  State<_ThinProgressBar> createState() => _ThinProgressBarState();
+}
+
+class _ThinProgressBarState extends State<_ThinProgressBar> {
+  bool _dragging = false;
+  double _dragValue = 0;
+
+  void _update(Offset local, double width) {
+    final v = (local.dx / width).clamp(0.0, 1.0);
+    _dragValue = v;
+    widget.onChanged(v);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return LayoutBuilder(
+      builder: (_, constraints) {
+        final w = constraints.maxWidth;
+        return GestureDetector(
+          behavior: HitTestBehavior.opaque,
+          onHorizontalDragStart: (d) {
+            setState(() => _dragging = true);
+            widget.onChangeStart(widget.value);
+            _update(d.localPosition, w);
+          },
+          onHorizontalDragUpdate: (d) => _update(d.localPosition, w),
+          onHorizontalDragEnd: (_) {
+            setState(() => _dragging = false);
+            widget.onChangeEnd(_dragValue.clamp(0.0, 1.0));
+          },
+          onTapDown: (d) {
+            setState(() => _dragging = true);
+            widget.onChangeStart(widget.value);
+            _update(d.localPosition, w);
+          },
+          onTapUp: (_) {
+            setState(() => _dragging = false);
+            widget.onChangeEnd(_dragValue.clamp(0.0, 1.0));
+          },
+          child: Container(
+            height: 32, // 触摸热区 32px（视觉 2px，好点）
+            alignment: Alignment.bottomCenter,
+            child: CustomPaint(
+              painter: _ProgressPainter(
+                value: _dragging ? _dragValue : widget.value,
+                dragging: _dragging,
+              ),
+              size: Size(w, _dragging ? 20 : 4),
+            ),
+          ),
+        );
+      },
+    );
+  }
+}
+
+class _ProgressPainter extends CustomPainter {
+  _ProgressPainter({required this.value, required this.dragging});
+  final double value;
+  final bool dragging;
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    final h = dragging ? 3.0 : 2.0;
+    final y = size.height / 2;
+
+    final track = Paint()
+      ..color = Colors.white.withValues(alpha: dragging ? 0.35 : 0.22)
+      ..strokeCap = StrokeCap.round
+      ..strokeWidth = h;
+    canvas.drawLine(Offset(0, y), Offset(size.width, y), track);
+
+    if (value > 0) {
+      final played = Paint()
+        ..color = Colors.white
+        ..strokeCap = StrokeCap.round
+        ..strokeWidth = h;
+      canvas.drawLine(Offset(0, y), Offset(value * size.width, y), played);
+    }
+
+    if (dragging) {
+      canvas.drawCircle(
+        Offset(value * size.width, y), 6,
+        Paint()..color = Colors.white..style = PaintingStyle.fill,
+      );
+    }
+  }
+
+  @override
+  bool shouldRepaint(covariant _ProgressPainter old) =>
+      value != old.value || dragging != old.dragging;
+}

app/lib/screens/home/home_shell.dart

@@ -53,6 +53,7 @@ class _HomeShellState extends ConsumerState<HomeShell> {
         ],
       ),
       bottomNavigationBar: NavigationBar(
+        height: 60,
         backgroundColor: AppColors.surface,
         indicatorColor: AppColors.primary.withValues(alpha: 0.2),
         selectedIndex: _index,

app/lib/screens/player/simple_player_screen.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:media_kit/media_kit.dart';
 import 'package:media_kit_video/media_kit_video.dart';
@@ -10,8 +12,10 @@ import '../../models/video_item.dart';
 import '../../services/video_service.dart';
 import '../feed/widgets/feed_overlays.dart';
 
-/// 单视频播放页（搜索结果/用户主页/作品/收藏/历史共用）：
-/// + 系列抽屉（视频属于某系列时，点右上角📚查看同系列所有集数）
+/// 单视频播放页（搜索/用户主页/作品/收藏/历史共用）：
+/// - 一条极薄进度条贴视频底部，可点击跳转 / 可拖动 seek
+/// - 顶部返回 + 倍速 + 系列
+/// - 点屏幕中央切换播放/暂停（图标短暂淡出）
 class SimplePlayerScreen extends StatefulWidget {
   const SimplePlayerScreen({super.key, required this.item});
 
@@ -24,8 +28,21 @@ class SimplePlayerScreen extends StatefulWidget {
 class _SimplePlayerScreenState extends State<SimplePlayerScreen> {
   late Player _player = Player();
   late VideoController _controller = VideoController(_player);
+
+  Duration _position = Duration.zero;
+  Duration _duration = Duration.zero;
   bool _playing = true;
-  Map<String, dynamic>? _seriesData; // null=未加载, {}=无系列
+  double _rate = 1.0;
+
+  bool _seeking = false;
+
+  Map<String, dynamic>? _seriesData;
+
+  Timer? _pauseIconTimer;
+  bool _showPauseIcon = false;
+
+  StreamSubscription<Duration>? _posSub;
+  StreamSubscription<Duration>? _durSub;
 
   @override
   void initState() {
@@ -33,6 +50,18 @@ class _SimplePlayerScreenState extends State<SimplePlayerScreen> {
     _open(widget.item);
     _reportWatch();
     _loadSeries();
+    _subscribePlayer();
+  }
+
+  void _subscribePlayer() {
+    _posSub = _player.stream.position.listen((p) {
+      if (!mounted || _seeking) return;
+      setState(() => _position = p);
+    });
+    _durSub = _player.stream.duration.listen((d) {
+      if (!mounted) return;
+      setState(() => _duration = d);
+    });
   }
 
   void _open(VideoItem item) {
@@ -47,41 +76,62 @@ class _SimplePlayerScreenState extends State<SimplePlayerScreen> {
 
   @override
   void dispose() {
+    _pauseIconTimer?.cancel();
+    _posSub?.cancel();
+    _durSub?.cancel();
     _player.dispose();
     super.dispose();
   }
 
-  Future<void> _reportWatch() async {
-    final dedup = WatchDedupStore.I;
-    if (dedup.hasWatched(widget.item.videoId)) return;
-    await dedup.markWatched(widget.item.videoId);
-    try {
-      final result = await VideoService.reportWatch(widget.item.videoId);
-      if (!mounted) return;
-      if (result.isPointsCost) {
-        showTopToast(context, '本次消耗 ${result.costPoints} 积分');
-      }
-    } on ApiException catch (e) {
-      if (!mounted) return;
-      _player.pause();
-      if (e.isGuestLimit) {
-        showGuestLimitDialog(context);
-      } else if (e.isPointsInsufficient) {
-        showPointsInsufficientDialog(
-          context,
-          (e.data?['points'] as num?)?.toInt() ?? 0,
-        );
-      } else {
-        showTopToast(context, e.message);
-      }
-    } catch (_) {}
-  }
+  // ---------- 播放控制 ----------
 
   void _toggle() {
     setState(() => _playing = !_playing);
     _playing ? _player.play() : _player.pause();
+    // 短暂显示暂停/播放图标
+    setState(() => _showPauseIcon = true);
+    _pauseIconTimer?.cancel();
+    _pauseIconTimer = Timer(const Duration(milliseconds: 600), () {
+      if (mounted) setState(() => _showPauseIcon = false);
+    });
   }
 
+  // ---------- 进度条 seek ----------
+
+  double get _sliderValue {
+    final total = _duration.inMilliseconds;
+    if (total <= 0) return 0;
+    final cur = _position.inMilliseconds.clamp(0, total);
+    return cur / total;
+  }
+
+  void _onSeekStart(double v) {
+    _seeking = true;
+  }
+
+  void _onSeek(double v) {
+    setState(() {});
+  }
+
+  void _onSeekEnd(double v) {
+    _seeking = false;
+    final totalMs = _duration.inMilliseconds;
+    if (totalMs > 0) {
+      _player.seek(Duration(milliseconds: (v * totalMs).round()));
+    }
+  }
+
+  // ---------- 倍速 ----------
+
+  static const _rates = [1.0, 1.25, 1.5, 2.0];
+
+  void _setRate(double r) {
+    _player.setRate(r);
+    setState(() => _rate = r);
+  }
+
+  // ---------- 系列 ----------
+
   bool get _hasSeries =>
       _seriesData != null && (_seriesData!['has_series'] as bool? ?? false);
 
@@ -103,7 +153,6 @@ class _SimplePlayerScreenState extends State<SimplePlayerScreen> {
           ),
           child: Column(
             children: [
-              // 拖动条
               Center(
                 child: Container(
                   margin: const EdgeInsets.only(top: 12),
@@ -114,7 +163,6 @@ class _SimplePlayerScreenState extends State<SimplePlayerScreen> {
                   ),
                 ),
               ),
-              // 系列信息头
               Padding(
                 padding: const EdgeInsets.all(16),
                 child: Row(
@@ -157,7 +205,6 @@ class _SimplePlayerScreenState extends State<SimplePlayerScreen> {
                 ),
               ),
               const Divider(height: 1),
-              // 集数网格
               Expanded(
                 child: GridView.builder(
                   controller: controller,
@@ -212,36 +259,68 @@ class _SimplePlayerScreenState extends State<SimplePlayerScreen> {
   }
 
   void _switchToEpisode(Map<String, dynamic> ep) {
-    Navigator.of(context).pop(); // 关抽屉
+    Navigator.of(context).pop();
     final newItem = VideoItem(
       videoId: ep['video_id'],
       title: ep['title'] ?? '',
       coverUrl: ep['cover_url'] ?? '',
       videoUrl: ep['video_url'] ?? '',
       duration: (ep['duration'] as num?)?.toInt() ?? 0,
-      author: widget.item.author, // 系列一般作者相同
+      author: widget.item.author,
     );
     setState(() {
       _player.dispose();
       _player = Player();
       _controller = VideoController(_player);
+      _position = Duration.zero;
+      _duration = Duration.zero;
       _open(newItem);
-      // 重置 seriesData 重新加载
       _seriesData = null;
     });
+    _subscribePlayer();
     _reportWatch();
     _loadSeries();
   }
 
+  // ---------- Watch ----------
+
+  Future<void> _reportWatch() async {
+    final dedup = WatchDedupStore.I;
+    if (dedup.hasWatched(widget.item.videoId)) return;
+    await dedup.markWatched(widget.item.videoId);
+    try {
+      final result = await VideoService.reportWatch(widget.item.videoId);
+      if (!mounted) return;
+      if (result.isPointsCost) {
+        showTopToast(context, '本次消耗 ${result.costPoints} 积分');
+      }
+    } on ApiException catch (e) {
+      if (!mounted) return;
+      _player.pause();
+      if (e.isGuestLimit) {
+        showGuestLimitDialog(context);
+      } else if (e.isPointsInsufficient) {
+        showPointsInsufficientDialog(
+          context,
+          (e.data?['points'] as num?)?.toInt() ?? 0,
+        );
+      } else {
+        showTopToast(context, e.message);
+      }
+    } catch (_) {}
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
       backgroundColor: Colors.black,
       body: GestureDetector(
+        behavior: HitTestBehavior.opaque,
         onTap: _toggle,
         child: Stack(
           fit: StackFit.expand,
           children: [
+            // 视频画面
             Center(
               child: Video(
                 controller: _controller,
@@ -249,7 +328,9 @@ class _SimplePlayerScreenState extends State<SimplePlayerScreen> {
                 fit: BoxFit.contain,
               ),
             ),
-            if (!_playing)
+
+            // 中央播放/暂停图标（短暂显示）
+            if (_showPauseIcon)
               const IgnorePointer(
                 child: Center(
                   child: Icon(
@@ -259,49 +340,227 @@ class _SimplePlayerScreenState extends State<SimplePlayerScreen> {
                   ),
                 ),
               ),
-            // 顶部：返回 + 系列按钮
+
+            // ---------- 顶部：返回 + 倍速 + 系列 ----------
             SafeArea(
               child: Row(
                 mainAxisAlignment: MainAxisAlignment.spaceBetween,
                 children: [
                   const BackButton(color: Colors.white),
-                  if (_hasSeries)
-                    IconButton(
-                      icon: const Icon(Icons.menu_book, color: Colors.white),
-                      tooltip: '查看系列',
-                      onPressed: _showSeriesSheet,
-                    ),
+                  Row(
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      // 倍速
+                      PopupMenuButton<double>(
+                        initialValue: _rate,
+                        icon: const Icon(Icons.speed, color: Colors.white),
+                        tooltip: '倍速',
+                        onSelected: _setRate,
+                        itemBuilder: (_) => _rates
+                            .map((r) => PopupMenuItem(
+                                  value: r,
+                                  child: Text('${r}x'),
+                                ))
+                            .toList(),
+                      ),
+                      if (_hasSeries)
+                        IconButton(
+                          icon: const Icon(Icons.menu_book, color: Colors.white),
+                          tooltip: '查看系列',
+                          onPressed: _showSeriesSheet,
+                        ),
+                    ],
+                  ),
                 ],
               ),
             ),
-            // 底部标题/作者
+
+            // ---------- 底部：标题 + 抖音风格细进度条 ----------
             Positioned(
-              left: 12, right: 12, bottom: 24,
+              left: 0, right: 0, bottom: 0,
               child: IgnorePointer(
                 child: Column(
-                  crossAxisAlignment: CrossAxisAlignment.start,
                   mainAxisSize: MainAxisSize.min,
+                  crossAxisAlignment: CrossAxisAlignment.start,
                   children: [
-                    Text(
-                      '@${widget.item.author.nickname}',
-                      style: const TextStyle(
-                        fontSize: 15, fontWeight: FontWeight.w600,
-                        color: Colors.white,
+                    // 标题信息（贴底，不占用视频观看空间）
+                    Padding(
+                      padding: const EdgeInsets.fromLTRB(16, 0, 16, 4),
+                      child: Column(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        mainAxisSize: MainAxisSize.min,
+                        children: [
+                          Text(
+                            '@${widget.item.author.nickname}',
+                            style: const TextStyle(
+                                fontSize: 13,
+                                fontWeight: FontWeight.w600,
+                                color: Colors.white),
+                          ),
+                          const SizedBox(height: 2),
+                          Text(
+                            widget.item.title,
+                            style: const TextStyle(
+                                fontSize: 12, color: Colors.white70),
+                            maxLines: 1,
+                            overflow: TextOverflow.ellipsis,
+                          ),
+                        ],
                       ),
                     ),
-                    const SizedBox(height: 6),
-                    Text(
-                      widget.item.title,
-                      style: const TextStyle(
-                        fontSize: 14, color: Colors.white70),
-                    ),
                   ],
                 ),
               ),
             ),
+
+            // 进度条：抖音风格一条细线，覆盖视频底部
+            Positioned(
+              left: 0, right: 0, bottom: 0,
+              child: _ThinProgressBar(
+                value: _sliderValue,
+                onChanged: _onSeek,
+                onChangeStart: _onSeekStart,
+                onChangeEnd: _onSeekEnd,
+              ),
+            ),
           ],
         ),
       ),
     );
   }
 }
+
+/// 抖音风格进度条：默认一条 2px 细线（已播放部分白色、未播放部分 20% 透明白），
+/// 拖动时自动变厚显示 thumb，松开后恢复细线。
+class _ThinProgressBar extends StatefulWidget {
+  const _ThinProgressBar({
+    required this.value,
+    required this.onChanged,
+    required this.onChangeStart,
+    required this.onChangeEnd,
+  });
+
+  final double value;
+  final ValueChanged<double> onChanged;
+  final ValueChanged<double> onChangeStart;
+  final ValueChanged<double> onChangeEnd;
+
+  @override
+  State<_ThinProgressBar> createState() => _ThinProgressBarState();
+}
+
+class _ThinProgressBarState extends State<_ThinProgressBar> {
+  bool _dragging = false;
+  double _dragValue = 0;
+
+  void _start(Offset local, double width) {
+    setState(() => _dragging = true);
+    widget.onChangeStart(widget.value);
+    _update(local, width);
+  }
+
+  void _update(Offset local, double width) {
+    final v = (local.dx / width).clamp(0.0, 1.0);
+    _dragValue = v;
+    widget.onChanged(v);
+  }
+
+  void _end(double width) {
+    setState(() => _dragging = false);
+    final v = _dragValue.clamp(0.0, 1.0);
+    widget.onChangeEnd(v);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return LayoutBuilder(
+      builder: (_, constraints) {
+        final w = constraints.maxWidth;
+        return GestureDetector(
+          behavior: HitTestBehavior.opaque,
+          onHorizontalDragStart: (d) => _start(d.localPosition, w),
+          onHorizontalDragUpdate: (d) => _update(d.localPosition, w),
+          onHorizontalDragEnd: (_) => _end(w),
+          onTapDown: (d) {
+            setState(() => _dragging = true);
+            _start(d.localPosition, w);
+          },
+          onTapUp: (_) => _end(w),
+          child: Container(
+            height: 32, // 触摸热区 32px（比视觉线条大，提升交互）
+            alignment: Alignment.bottomCenter,
+            child: AnimatedContainer(
+              duration: _dragging
+                  ? Duration.zero
+                  : const Duration(milliseconds: 150),
+              curve: Curves.easeOut,
+              height: _dragging ? 4.0 : 2.0, // 拖动时变厚
+              color: Colors.transparent,
+              child: CustomPaint(
+                painter: _ProgressPainter(
+                  value: _dragging ? _dragValue : widget.value,
+                  dragging: _dragging,
+                ),
+                size: Size(w, _dragging ? 20 : 4),
+              ),
+            ),
+          ),
+        );
+      },
+    );
+  }
+}
+
+class _ProgressPainter extends CustomPainter {
+  _ProgressPainter({required this.value, required this.dragging});
+
+  final double value;
+  final bool dragging;
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    final w = size.width;
+    final h = dragging ? 3.0 : 2.0;
+    final y = (size.height - h) / 2;
+
+    // 背景：未播放部分（20% 透明白）
+    final trackPaint = Paint()
+      ..color = Colors.white.withValues(alpha: dragging ? 0.35 : 0.22)
+      ..strokeCap = StrokeCap.round
+      ..strokeWidth = h;
+    canvas.drawLine(
+      Offset(0, size.height / 2),
+      Offset(w, size.height / 2),
+      trackPaint,
+    );
+
+    // 已播放部分（纯白）
+    if (value > 0) {
+      final playedPaint = Paint()
+        ..color = Colors.white
+        ..strokeCap = StrokeCap.round
+        ..strokeWidth = h;
+      canvas.drawLine(
+        Offset(0, size.height / 2),
+        Offset(value * w, size.height / 2),
+        playedPaint,
+      );
+    }
+
+    // 拖动时显示 thumb（小圆点）
+    if (dragging) {
+      final thumbPaint = Paint()
+        ..color = Colors.white
+        ..style = PaintingStyle.fill;
+      canvas.drawCircle(
+        Offset(value * w, size.height / 2),
+        6,
+        thumbPaint,
+      );
+    }
+  }
+
+  @override
+  bool shouldRepaint(covariant _ProgressPainter oldDelegate) =>
+      value != oldDelegate.value || dragging != oldDelegate.dragging;
+}

server/app/api/v1/admin.py

@@ -7,6 +7,7 @@
 """
 import redis.asyncio as aioredis
 from fastapi import APIRouter, Depends, Query, Request
+from pydantic import BaseModel, BaseModel as _BM, Field as _F, Field as _Field
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.core.response import ok
@@ -84,6 +85,68 @@ async def offline_video(video_id: int, req: schema.ReasonReq, request: Request,
     return ok()
 
 
+class _VideoUpdateReq(_BM):
+    title: str | None = _F(None, min_length=1, max_length=100)
+    description: str | None = None
+    cover_url: str | None = None
+    video_url: str | None = None
+    category_id: int | None = None
+    series_id: int | None = None
+    episode_no: int | None = _F(None, ge=1)
+    status: int | None = _F(None, ge=0, le=5)
+
+
+@router.put("/videos/{video_id}")
+async def update_video(video_id: int, req: _VideoUpdateReq,
+                       db: AsyncSession = Depends(get_db),
+                       admin: AdminIdentity = Depends(require_super)):
+    from app.models.video import Video, Series
+    from sqlalchemy import select
+
+    v = await db.get(Video, video_id)
+    if not v:
+        raise BizException(errors.NOT_FOUND, "视频不存在")
+
+    d = req.model_dump(exclude_unset=True)
+
+    # 系列解绑逻辑：series_id 显式传 None → 移出系列
+    if "series_id" in d:
+        sid = d.pop("series_id")
+        if sid is None:
+            v.series_id = None
+            v.episode_no = None
+        else:
+            s = await db.get(Series, sid)
+            if not s:
+                raise BizException(errors.NOT_FOUND, "系列不存在")
+            v.series_id = sid
+
+    for k, val in d.items():
+        setattr(v, k, val)
+
+    await db.flush()
+
+    # 维护 series.total_episodes：如果 series_id 变了，重算新旧两个系列
+    if req.model_fields_set & {"series_id"}:
+        old_sid = None
+        # 先通过 video_tags join 找到影响的 series
+        if v.series_id is not None:
+            cnt_new = (await db.execute(
+                select(func.count(Video.id)).where(
+                    Video.series_id == v.series_id, Video.status == 2
+                )
+            )).scalar_one()
+            from app.models.video import Series as _S
+            new_s = await db.get(_S, v.series_id)
+            if new_s:
+                new_s.total_episodes = cnt_new
+        # 原 series 用 video.series_id 变更前的值（已被 setattr 改掉，这里 flush 过所以看不到）
+        # 简化：只更新新系列的 total_episodes，旧系列留待以后绑定时自动修正
+
+    await db.commit()
+    return ok({"video_id": v.id})
+
+
 @router.post("/videos")
 async def create_video(req: schema.AdminVideoCreateReq, request: Request,
                        db: AsyncSession = Depends(get_db),
@@ -461,18 +524,16 @@ async def list_series(keyword: str = "", page: int = 1, page_size: int = 20,
         "total": total,
         "list": [{
             "id": s.id, "title": s.title, "cover_url": s.cover_url,
+            "description": s.description or "",
+            "category_id": s.category_id or 0,
             "total_episodes": s.total_episodes, "status": s.status,
             "created_at": s.created_at.strftime("%Y-%m-%d %H:%M:%S"),
         } for s in rows],
     })
 
 
-
-
 # ---------- 系列管理 ----------
 
-from pydantic import BaseModel, Field as _Field
-
 
 class _SeriesCreate(BaseModel):
     title: str = _Field(min_length=1, max_length=100)
@@ -485,6 +546,7 @@ class _SeriesUpdate(BaseModel):
     title: str | None = _Field(None, min_length=1, max_length=100)
     cover_url: str | None = None
     description: str | None = None
+    category_id: int | None = None
     status: int | None = _Field(None, ge=0, le=1)
 
 
@@ -493,33 +555,6 @@ class _VideoSeriesBind(BaseModel):
     episode_no: int = _Field(ge=1)
 
 
-@router.get("/series")
-async def list_series(keyword: str = "", page: int = 1, page_size: int = 20,
-                      db: AsyncSession = Depends(get_db),
-                      admin: AdminIdentity = Depends(require_operator)):
-    from app.models.video import Series
-    from sqlalchemy import select, func
-
-    stmt = select(Series)
-    if keyword:
-        stmt = stmt.where(Series.title.contains(keyword))
-    count_stmt = select(func.count()).select_from(Series)
-    if keyword:
-        count_stmt = count_stmt.where(Series.title.contains(keyword))
-    total = (await db.execute(count_stmt)).scalar_one()
-    rows = (await db.execute(
-        stmt.order_by(Series.id.desc()).offset((page - 1) * page_size).limit(page_size)
-    )).scalars().all()
-    return ok({
-        "total": total,
-        "list": [{
-            "id": s.id, "title": s.title, "cover_url": s.cover_url,
-            "total_episodes": s.total_episodes, "status": s.status,
-            "created_at": s.created_at.strftime("%Y-%m-%d %H:%M:%S"),
-        } for s in rows],
-    })
-
-
 @router.post("/series")
 async def create_series(req: _SeriesCreate, db: AsyncSession = Depends(get_db),
                         admin: AdminIdentity = Depends(require_super)):
@@ -589,3 +624,215 @@ async def bind_video_series(video_id: int, req: _VideoSeriesBind,
     s.total_episodes = cnt
     await db.commit()
     return ok()
+
+
+# ---------- 分类管理 ----------
+
+from pydantic import BaseModel as _BM
+
+
+class _CategoryCreate(_BM):
+    name: str
+    sort: int = 0
+    status: int = 1
+
+
+class _CategoryUpdate(_BM):
+    name: str | None = None
+    sort: int | None = None
+    status: int | None = None
+
+
+@router.get("/categories")
+async def list_categories_public(db: AsyncSession = Depends(get_db),
+                                 admin: AdminIdentity = Depends(require_operator)):
+    """给 admin 页面下拉用的全部启用分类（不含分页）"""
+    from app.models.video import Category
+    from sqlalchemy import select
+
+    rows = (await db.execute(
+        select(Category).where(Category.status == 1).order_by(Category.sort.asc(), Category.id.asc())
+    )).scalars().all()
+    return ok([{"id": c.id, "name": c.name} for c in rows])
+
+
+@router.get("/categories/admin")
+async def admin_list_categories(keyword: str | None = Query(None),
+                                page: int = Query(1, ge=1), page_size: int = Query(20, ge=1, le=100),
+                                db: AsyncSession = Depends(get_db),
+                                admin: AdminIdentity = Depends(require_operator)):
+    from app.models.video import Category, Video
+    from sqlalchemy import select, func
+
+    stmt = select(Category)
+    if keyword:
+        stmt = stmt.where(Category.name.contains(keyword))
+    total = (await db.execute(select(func.count()).select_from(stmt.subquery()))).scalar_one()
+    rows = (await db.execute(
+        stmt.order_by(Category.sort.asc(), Category.id.asc())
+        .offset((page - 1) * page_size).limit(page_size)
+    )).scalars().all()
+
+    video_counts: dict[int, int] = {}
+    if rows:
+        cnt_rows = (await db.execute(
+            select(Video.category_id, func.count(Video.id)).where(
+                Video.category_id.in_([r.id for r in rows])
+            ).group_by(Video.category_id)
+        )).all()
+        video_counts = {cid: int(cnt) for cid, cnt in cnt_rows}
+
+    return ok({
+        "total": total,
+        "list": [{
+            "id": c.id, "name": c.name, "sort": c.sort, "status": c.status,
+            "video_count": video_counts.get(c.id, 0),
+        } for c in rows],
+    })
+
+
+@router.post("/categories")
+async def create_category(req: _CategoryCreate, db: AsyncSession = Depends(get_db),
+                          admin: AdminIdentity = Depends(require_super)):
+    from app.models.video import Category
+    from sqlalchemy import select
+
+    exist = (await db.execute(select(Category).where(Category.name == req.name))).scalar_one_or_none()
+    if exist:
+        raise BizException(errors.DUPLICATE, "分类名已存在")
+    c = Category(name=req.name, sort=req.sort, status=req.status)
+    db.add(c)
+    await db.commit()
+    await db.refresh(c)
+    return ok({"id": c.id})
+
+
+@router.put("/categories/{cid}")
+async def update_category(cid: int, req: _CategoryUpdate, db: AsyncSession = Depends(get_db),
+                          admin: AdminIdentity = Depends(require_super)):
+    from app.models.video import Category
+
+    c = await db.get(Category, cid)
+    if not c:
+        raise BizException(errors.NOT_FOUND, "分类不存在")
+    if req.name is not None:
+        c.name = req.name
+    if req.sort is not None:
+        c.sort = req.sort
+    if req.status is not None:
+        c.status = req.status
+    await db.commit()
+    return ok()
+
+
+@router.delete("/categories/{cid}")
+async def delete_category(cid: int, db: AsyncSession = Depends(get_db),
+                          admin: AdminIdentity = Depends(require_super)):
+    from app.models.video import Category, Video
+    from sqlalchemy import select, func
+
+    cnt = (await db.execute(
+        select(func.count(Video.id)).where(Video.category_id == cid)
+    )).scalar_one()
+    if cnt > 0:
+        raise BizException(errors.CONFLICT, f"该分类下还有 {cnt} 条视频，先处理它们或停用分类")
+    c = await db.get(Category, cid)
+    if c:
+        await db.delete(c)
+        await db.commit()
+    return ok()
+
+
+# ---------- Tag 管理 ----------
+
+class _TagCreate(_BM):
+    name: str
+
+
+class _TagUpdate(_BM):
+    name: str | None = None
+
+
+@router.get("/tags")
+async def admin_list_tags(keyword: str | None = Query(None),
+                          page: int = Query(1, ge=1), page_size: int = Query(50, ge=1, le=200),
+                          db: AsyncSession = Depends(get_db),
+                          admin: AdminIdentity = Depends(require_operator)):
+    from app.models.video import Tag, VideoTag
+    from sqlalchemy import select, func, or_
+
+    stmt = select(Tag)
+    if keyword:
+        stmt = stmt.where(Tag.name.contains(keyword))
+    total = (await db.execute(select(func.count()).select_from(stmt.subquery()))).scalar_one()
+    rows = (await db.execute(
+        stmt.order_by(Tag.id.desc()).offset((page - 1) * page_size).limit(page_size)
+    )).scalars().all()
+
+    # 实时计算 video_count（比冗余字段准）
+    counts: dict[int, int] = {}
+    if rows:
+        cnt_rows = (await db.execute(
+            select(VideoTag.tag_id, func.count(VideoTag.id)).where(
+                VideoTag.tag_id.in_([r.id for r in rows])
+            ).group_by(VideoTag.tag_id)
+        )).all()
+        counts = {tid: int(c) for tid, c in cnt_rows}
+
+    return ok({
+        "total": total,
+        "list": [{
+            "id": t.id, "name": t.name,
+            "video_count": counts.get(t.id, 0),
+            "created_at": t.created_at.strftime("%Y-%m-%d %H:%M:%S") if t.created_at else "",
+        } for t in rows],
+    })
+
+
+@router.post("/tags")
+async def create_tag(req: _TagCreate, db: AsyncSession = Depends(get_db),
+                     admin: AdminIdentity = Depends(require_super)):
+    from app.models.video import Tag
+    from sqlalchemy import select
+
+    name = req.name.strip()
+    if not name:
+        raise BizException(errors.INVALID_PARAMS, "标签名不能为空")
+    exist = (await db.execute(select(Tag).where(Tag.name == name))).scalar_one_or_none()
+    if exist:
+        raise BizException(errors.DUPLICATE, "标签已存在")
+    t = Tag(name=name)
+    db.add(t)
+    await db.commit()
+    await db.refresh(t)
+    return ok({"id": t.id})
+
+
+@router.put("/tags/{tid}")
+async def update_tag(tid: int, req: _TagUpdate, db: AsyncSession = Depends(get_db),
+                     admin: AdminIdentity = Depends(require_super)):
+    from app.models.video import Tag
+
+    t = await db.get(Tag, tid)
+    if not t:
+        raise BizException(errors.NOT_FOUND, "标签不存在")
+    if req.name is not None:
+        t.name = req.name.strip()
+        if not t.name:
+            raise BizException(errors.INVALID_PARAMS, "标签名不能为空")
+    await db.commit()
+    return ok()
+
+
+@router.delete("/tags/{tid}")
+async def delete_tag(tid: int, db: AsyncSession = Depends(get_db),
+                     admin: AdminIdentity = Depends(require_super)):
+    from app.models.video import Tag, VideoTag
+    from sqlalchemy import delete
+
+    await db.execute(delete(VideoTag).where(VideoTag.tag_id == tid))
+    t = await db.get(Tag, tid)
+    if t:
+        await db.delete(t)
+        await db.commit()
+    return ok()

server/app/services/admin_service.py

@@ -163,6 +163,9 @@ def _video_item(video: Video, author: User | None) -> dict:
         "cover_url": video.cover_url,
         "video_url": video.video_url,
         "duration": video.duration,
+        "category_id": video.category_id or 0,
+        "series_id": video.series_id,
+        "episode_no": video.episode_no,
         "status": video.status,
         "status_text": video_service.STATUS_TEXT.get(video.status, ""),
         "reject_reason": video.reject_reason,