From b5bc285aff06fe0ee0fca7bab6d1790a4ad28011 Mon Sep 17 00:00:00 2001
From: xiaoxia <xiaoxia@xiaoxiajianji.com>
Date: Tue, 8 Sep 2026 20:44:33 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20#1797=20AI=E6=95=B0=E5=AD=97=E4=BA=BA?=
 =?UTF-8?q?=E5=89=8D=E7=AB=AF=E9=A1=B5=E9=9D=A2v3=20=E2=80=94=20=E7=B4=A0?=
 =?UTF-8?q?=E6=9D=90=E5=BA=93=E9=80=89=E6=8B=A9/=E9=85=8D=E9=9F=B3?=
 =?UTF-8?q?=E5=BA=93=E5=A4=8D=E7=94=A8/TitleStylePanel=E7=9B=B4=E6=8E=A5im?=
 =?UTF-8?q?port?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 面板1：出镜视频改为从素材库弹窗选择（ModalAssetPicker），竖屏9:16预览
- 面板2：配音库改为系统预设/我的音色双tab切换，复用 /api/v1/voices
- 面板3：对口型三态（生成/进度/完成+重新生成），竖屏9:16预览
- 面板4：标题配置直接 import TitleStylePanel + TITLE_PRESETS，与智能剪辑完全一致
- 面板5：封面+分辨率+配置汇总+渐变生成按钮，删除多余画面插入模式
- B-roll弹窗：已选素材标灰pointer-events:none防重选，画中画四角位置
- 路由 /app/ai-avatar + 侧边栏AI数字人导航项
---
 apps/web/src/pages/ai-avatar/AiAvatar.css     | 1300 +++++++++++------
 apps/web/src/pages/ai-avatar/AiAvatarPage.tsx |  389 +++--
 apps/web/src/pages/ai-avatar/api/aiAvatar.ts  |   96 +-
 .../ai-avatar/components/AvatarVideoPanel.tsx |  226 ---
 .../ai-avatar/components/BRollInsertModal.tsx |  272 ----
 .../components/CoverGeneratePanel.tsx         |  131 --
 .../ai-avatar/components/ModalAssetPicker.tsx |  211 +++
 .../ai-avatar/components/ModalBRollEditor.tsx |  345 +++++
 .../components/PanelCoverAndGenerate.tsx      |  210 +++
 .../components/PanelScriptAndLipsync.tsx      |  222 +++
 .../ai-avatar/components/PanelTitleConfig.tsx |  130 ++
 .../components/PanelVideoSelector.tsx         |   91 ++
 .../components/PanelVoiceSelector.tsx         |  264 ++++
 .../components/ScriptLipsyncPanel.tsx         |  189 ---
 .../components/ScriptSelectModal.tsx          |  122 --
 .../ai-avatar/components/TitleConfigPanel.tsx |  250 ----
 .../ai-avatar/components/VoiceClonePanel.tsx  |  256 ----
 .../src/pages/ai-avatar/hooks/useAiAvatar.ts  |  141 ++
 .../pages/ai-avatar/hooks/useAiAvatarState.ts |  132 --
 apps/web/src/pages/ai-avatar/types.ts         |  121 ++
 .../web/src/pages/ai-avatar/types/aiAvatar.ts |  121 --
 21 files changed, 2942 insertions(+), 2277 deletions(-)
 delete mode 100644 apps/web/src/pages/ai-avatar/components/AvatarVideoPanel.tsx
 delete mode 100644 apps/web/src/pages/ai-avatar/components/BRollInsertModal.tsx
 delete mode 100644 apps/web/src/pages/ai-avatar/components/CoverGeneratePanel.tsx
 create mode 100644 apps/web/src/pages/ai-avatar/components/ModalAssetPicker.tsx
 create mode 100644 apps/web/src/pages/ai-avatar/components/ModalBRollEditor.tsx
 create mode 100644 apps/web/src/pages/ai-avatar/components/PanelCoverAndGenerate.tsx
 create mode 100644 apps/web/src/pages/ai-avatar/components/PanelScriptAndLipsync.tsx
 create mode 100644 apps/web/src/pages/ai-avatar/components/PanelTitleConfig.tsx
 create mode 100644 apps/web/src/pages/ai-avatar/components/PanelVideoSelector.tsx
 create mode 100644 apps/web/src/pages/ai-avatar/components/PanelVoiceSelector.tsx
 delete mode 100644 apps/web/src/pages/ai-avatar/components/ScriptLipsyncPanel.tsx
 delete mode 100644 apps/web/src/pages/ai-avatar/components/ScriptSelectModal.tsx
 delete mode 100644 apps/web/src/pages/ai-avatar/components/TitleConfigPanel.tsx
 delete mode 100644 apps/web/src/pages/ai-avatar/components/VoiceClonePanel.tsx
 create mode 100644 apps/web/src/pages/ai-avatar/hooks/useAiAvatar.ts
 delete mode 100644 apps/web/src/pages/ai-avatar/hooks/useAiAvatarState.ts
 create mode 100644 apps/web/src/pages/ai-avatar/types.ts
 delete mode 100644 apps/web/src/pages/ai-avatar/types/aiAvatar.ts

diff --git a/apps/web/src/pages/ai-avatar/AiAvatar.css b/apps/web/src/pages/ai-avatar/AiAvatar.css
index d2c3cb331..794ecf42e 100644
--- a/apps/web/src/pages/ai-avatar/AiAvatar.css
+++ b/apps/web/src/pages/ai-avatar/AiAvatar.css
@@ -1,607 +1,1023 @@
 /**
- * AI数字人页面 — 5 列水平面板布局 (#1798)
+ * AI数字人 — 页面样式（v3）
+ * 命名空间: .aa- (ai-avatar 缩写)
  */
 
 /* ── 页面容器 ── */
-.ai-avatar-page {
+.aa-page {
   display: flex;
-  gap: 0;
+  flex-direction: column;
   height: 100%;
   min-width: 1280px;
+  background: #f5f6fa;
   overflow-x: auto;
-  background: var(--bg-primary, #0f0f0f);
+}
+
+.aa-page-header {
+  padding: 16px 24px;
+  background: #fff;
+  border-bottom: 1px solid #e8e8ec;
+  flex-shrink: 0;
+}
+
+.aa-page-header h1 {
+  margin: 0;
+  font-size: 20px;
+  font-weight: 600;
+  color: #1a1a2e;
+}
+
+.aa-page-body {
+  flex: 1;
+  display: flex;
+  gap: 12px;
+  padding: 16px;
+  overflow-x: auto;
+  min-height: 0;
 }
 
 /* ── 面板通用 ── */
-.ai-avatar-panel {
+.aa-panel {
+  background: #fff;
+  border-radius: 12px;
+  border: 1px solid #e8e8ec;
   display: flex;
   flex-direction: column;
-  border-right: 1px solid var(--border-color, #2a2a2a);
   overflow: hidden;
   transition: width 0.2s ease;
 }
 
-.ai-avatar-panel:last-child {
-  border-right: none;
+.aa-panel--p1 {
+  width: 20%;
+  min-width: 220px;
+}
+.aa-panel--p2 {
+  width: 20%;
+  min-width: 220px;
+}
+.aa-panel--p3 {
+  width: 25%;
+  min-width: 280px;
+}
+.aa-panel--p4 {
+  width: 17.5%;
+  min-width: 200px;
+}
+.aa-panel--p5 {
+  width: 17.5%;
+  min-width: 200px;
 }
 
-.ai-avatar-panel.collapsed {
-  width: 48px !important;
-  min-width: 48px !important;
+.aa-panel.collapsed .aa-panel__body {
+  display: none;
 }
 
-.ai-avatar-panel-header {
+.aa-panel__header {
   display: flex;
   align-items: center;
   justify-content: space-between;
   padding: 12px 16px;
-  background: var(--bg-secondary, #1a1a1a);
-  border-bottom: 1px solid var(--border-color, #2a2a2a);
+  border-bottom: 1px solid #f0f0f5;
   cursor: pointer;
   user-select: none;
   flex-shrink: 0;
 }
 
-.ai-avatar-panel-header h3 {
-  margin: 0;
-  font-size: 14px;
-  font-weight: 600;
-  color: var(--text-primary, #fff);
-  white-space: nowrap;
-  overflow: hidden;
-  text-overflow: ellipsis;
+.aa-panel__header:hover {
+  background: #fafafe;
 }
 
-.ai-avatar-panel-header .collapse-btn {
-  background: none;
+.aa-panel__title {
+  font-size: 14px;
+  font-weight: 600;
+  color: #1a1a2e;
+}
+
+.aa-panel__toggle {
+  width: 24px;
+  height: 24px;
   border: none;
-  color: var(--text-secondary, #999);
+  background: none;
   cursor: pointer;
-  padding: 2px;
-  font-size: 12px;
+  color: #8c8ca1;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 4px;
   transition: transform 0.2s;
 }
 
-.ai-avatar-panel.collapsed .collapse-btn {
-  transform: rotate(180deg);
+.aa-panel.collapsed .aa-panel__toggle {
+  transform: rotate(-90deg);
 }
 
-.ai-avatar-panel-body {
+.aa-panel__body {
   flex: 1;
   overflow-y: auto;
   padding: 16px;
 }
 
-.ai-avatar-panel.collapsed .ai-avatar-panel-body {
-  display: none;
-}
-
-.ai-avatar-panel.collapsed .ai-avatar-panel-header h3 {
-  display: none;
-}
-
-/* ── 面板宽度 ── */
-.ai-avatar-panel.panel-avatar-video {
-  width: 20%;
-}
-.ai-avatar-panel.panel-voice-clone {
-  width: 20%;
-}
-.ai-avatar-panel.panel-script-lipsync {
-  width: 25%;
-}
-.ai-avatar-panel.panel-title-config {
-  width: 17.5%;
-}
-.ai-avatar-panel.panel-cover-generate {
-  width: 17.5%;
-}
-
-/* ── 上传拖拽区 ── */
-.ai-avatar-upload-zone {
-  border: 2px dashed var(--border-color, #2a2a2a);
-  border-radius: 8px;
-  padding: 32px 16px;
-  text-align: center;
-  cursor: pointer;
-  transition:
-    border-color 0.2s,
-    background 0.2s;
-  color: var(--text-secondary, #999);
-  font-size: 13px;
-}
-
-.ai-avatar-upload-zone:hover {
-  border-color: var(--primary-color, #3b82f6);
-  background: rgba(59, 130, 246, 0.05);
-}
-
-.ai-avatar-upload-zone .upload-icon {
-  font-size: 32px;
-  margin-bottom: 8px;
+/* ── 通用表单元素 ── */
+.aa-label {
   display: block;
-}
-
-/* ── 视频/音频预览 ── */
-.ai-avatar-media-preview {
-  width: 100%;
-  border-radius: 8px;
-  overflow: hidden;
-  background: #000;
-  margin-top: 12px;
-}
-
-.ai-avatar-media-preview video,
-.ai-avatar-media-preview audio {
-  width: 100%;
-  display: block;
-}
-
-.ai-avatar-media-info {
-  display: flex;
-  gap: 12px;
-  padding: 8px 0;
   font-size: 12px;
-  color: var(--text-secondary, #999);
+  font-weight: 500;
+  color: #6b6b80;
+  margin-bottom: 6px;
 }
 
-/* ── 文案输入 ── */
-.ai-avatar-script-editor {
+.aa-input,
+.aa-select {
   width: 100%;
-  min-height: 120px;
-  resize: vertical;
-  background: var(--bg-tertiary, #222);
-  border: 1px solid var(--border-color, #2a2a2a);
-  border-radius: 6px;
-  padding: 12px;
-  color: var(--text-primary, #fff);
-  font-size: 14px;
-  line-height: 1.6;
-  font-family: inherit;
-}
-
-.ai-avatar-script-editor:focus {
+  padding: 8px 12px;
+  border: 1px solid #e0e0e8;
+  border-radius: 8px;
+  font-size: 13px;
+  color: #1a1a2e;
+  background: #fff;
   outline: none;
-  border-color: var(--primary-color, #3b82f6);
+  transition: border-color 0.15s;
 }
 
-.ai-avatar-script-tabs {
-  display: flex;
-  gap: 8px;
-  margin-bottom: 12px;
+.aa-input:focus,
+.aa-select:focus {
+  border-color: #7c3aed;
+  box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.1);
 }
 
-.ai-avatar-script-tabs button {
-  padding: 6px 12px;
-  border: 1px solid var(--border-color, #2a2a2a);
-  border-radius: 6px;
-  background: transparent;
-  color: var(--text-secondary, #999);
-  cursor: pointer;
-  font-size: 13px;
-  transition: all 0.2s;
-}
-
-.ai-avatar-script-tabs button.active {
-  background: var(--primary-color, #3b82f6);
-  color: #fff;
-  border-color: var(--primary-color, #3b82f6);
-}
-
-.ai-avatar-script-word-count {
-  text-align: right;
-  font-size: 12px;
-  color: var(--text-secondary, #999);
-  margin-top: 4px;
-}
-
-/* ── 对口型预览 ── */
-.ai-avatar-lipsync-section {
-  margin-top: 16px;
-  padding-top: 16px;
-  border-top: 1px solid var(--border-color, #2a2a2a);
-}
-
-.ai-avatar-lipsync-section h4 {
-  font-size: 13px;
-  color: var(--text-secondary, #999);
-  margin: 0 0 12px;
-  font-weight: 500;
-}
-
-.ai-avatar-lipsync-actions {
-  display: flex;
-  gap: 8px;
-  margin-top: 12px;
-}
-
-/* ── 声音克隆状态 ── */
-.ai-avatar-clone-status {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  padding: 8px 12px;
-  border-radius: 6px;
-  font-size: 13px;
-  margin-top: 12px;
-}
-
-.ai-avatar-clone-status.success {
-  background: rgba(34, 197, 94, 0.1);
-  color: #22c55e;
-}
-
-.ai-avatar-clone-status.cloning {
-  background: rgba(59, 130, 246, 0.1);
-  color: #3b82f6;
-}
-
-.ai-avatar-clone-status.failed {
-  background: rgba(239, 68, 68, 0.1);
-  color: #ef4444;
-}
-
-/* ── 音色列表 ── */
-.ai-avatar-voice-list {
-  margin-top: 16px;
-}
-
-.ai-avatar-voice-list h4 {
-  font-size: 13px;
-  color: var(--text-secondary, #999);
-  margin: 0 0 8px;
-  font-weight: 500;
-}
-
-.ai-avatar-voice-item {
-  display: flex;
-  align-items: center;
-  padding: 8px 12px;
-  border-radius: 6px;
-  cursor: pointer;
-  transition: background 0.2s;
-}
-
-.ai-avatar-voice-item:hover {
-  background: var(--bg-tertiary, #222);
-}
-
-.ai-avatar-voice-item.selected {
-  background: rgba(59, 130, 246, 0.1);
-  border: 1px solid var(--primary-color, #3b82f6);
-}
-
-/* ── 字幕设置 ── */
-.ai-avatar-subtitle-section {
-  margin-top: 16px;
-  padding-top: 16px;
-  border-top: 1px solid var(--border-color, #2a2a2a);
-}
-
-.ai-avatar-subtitle-section label {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  font-size: 13px;
-  color: var(--text-secondary, #999);
-  cursor: pointer;
-}
-
-/* ── 封面预览 ── */
-.ai-avatar-cover-preview {
+.aa-textarea {
   width: 100%;
-  aspect-ratio: 16/9;
+  padding: 10px 12px;
+  border: 1px solid #e0e0e8;
   border-radius: 8px;
+  font-size: 13px;
+  color: #1a1a2e;
+  background: #fff;
+  outline: none;
+  resize: vertical;
+  min-height: 100px;
+  font-family: inherit;
+  transition: border-color 0.15s;
+}
+
+.aa-textarea:focus {
+  border-color: #7c3aed;
+  box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.1);
+}
+
+.aa-btn {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  gap: 6px;
+  padding: 8px 16px;
+  border: 1px solid #e0e0e8;
+  border-radius: 8px;
+  font-size: 13px;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.15s;
+  background: #fff;
+  color: #1a1a2e;
+}
+
+.aa-btn:hover {
+  background: #f5f5fa;
+  border-color: #c0c0d0;
+}
+.aa-btn:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+.aa-btn--primary {
+  background: #7c3aed;
+  color: #fff;
+  border-color: #7c3aed;
+}
+.aa-btn--primary:hover {
+  background: #6d28d9;
+}
+
+.aa-btn--ghost {
+  background: transparent;
+  border-color: #d0d0dd;
+  color: #6b6b80;
+}
+
+.aa-btn--danger {
+  background: #fee2e2;
+  border-color: #fca5a5;
+  color: #dc2626;
+}
+.aa-btn--danger:hover {
+  background: #fecaca;
+}
+
+.aa-btn--full {
+  width: 100%;
+}
+
+.aa-btn--generate {
+  background: linear-gradient(135deg, #7c3aed, #a855f7);
+  color: #fff;
+  border: none;
+  padding: 12px 20px;
+  font-size: 15px;
+  font-weight: 600;
+  border-radius: 10px;
+}
+.aa-btn--generate:hover {
+  background: linear-gradient(135deg, #6d28d9, #9333ea);
+}
+
+/* ── 竖屏视频预览 ── */
+.aa-video-preview {
+  width: 100%;
+  aspect-ratio: 9/16;
+  background: #0f0f1a;
+  border-radius: 10px;
   overflow: hidden;
-  background: var(--bg-tertiary, #222);
   display: flex;
   align-items: center;
   justify-content: center;
-  color: var(--text-secondary, #999);
+  position: relative;
+}
+
+.aa-video-preview video {
+  width: 100%;
+  height: 100%;
+  object-fit: contain;
+}
+
+.aa-video-preview__placeholder {
+  color: #6b6b80;
   font-size: 13px;
+  text-align: center;
+}
+
+/* ── 上传区域 ── */
+.aa-upload-zone {
+  border: 2px dashed #d0d0dd;
+  border-radius: 10px;
+  padding: 24px 16px;
+  text-align: center;
+  cursor: pointer;
+  transition: all 0.15s;
+  background: #fafafe;
+}
+
+.aa-upload-zone:hover {
+  border-color: #7c3aed;
+  background: #f5f0ff;
+}
+
+.aa-upload-zone__icon {
+  font-size: 28px;
+  margin-bottom: 8px;
+  color: #8c8ca1;
+}
+
+.aa-upload-zone__text {
+  font-size: 13px;
+  color: #6b6b80;
+}
+
+/* ── 视频信息卡片 ── */
+.aa-video-info {
+  margin-top: 10px;
+  padding: 10px 12px;
+  background: #f8f8fc;
+  border-radius: 8px;
+  font-size: 12px;
+  color: #6b6b80;
+}
+
+.aa-video-info__row {
+  display: flex;
+  justify-content: space-between;
+  padding: 3px 0;
+}
+
+/* ── 配音面板 ── */
+.aa-voice-source-toggle {
+  display: flex;
+  gap: 8px;
+  margin-bottom: 16px;
+}
+
+.aa-voice-source-btn {
+  flex: 1;
+  padding: 8px;
+  border: 1px solid #e0e0e8;
+  border-radius: 8px;
+  font-size: 12px;
+  font-weight: 500;
+  text-align: center;
+  cursor: pointer;
+  background: #fff;
+  color: #6b6b80;
+  transition: all 0.15s;
+}
+
+.aa-voice-source-btn.active {
+  background: #f5f0ff;
+  border-color: #7c3aed;
+  color: #7c3aed;
+}
+
+.aa-voice-list {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+  max-height: 240px;
+  overflow-y: auto;
+}
+
+.aa-voice-card {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 10px 12px;
+  border: 1px solid #e8e8ec;
+  border-radius: 8px;
+  cursor: pointer;
+  transition: all 0.15s;
+}
+
+.aa-voice-card:hover {
+  border-color: #c0c0d0;
+  background: #fafafe;
+}
+
+.aa-voice-card.selected {
+  border-color: #7c3aed;
+  background: #f5f0ff;
+}
+
+.aa-voice-card__radio {
+  width: 16px;
+  height: 16px;
+  border-radius: 50%;
+  border: 2px solid #d0d0dd;
+  flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.aa-voice-card.selected .aa-voice-card__radio {
+  border-color: #7c3aed;
+}
+
+.aa-voice-card.selected .aa-voice-card__radio::after {
+  content: "";
+  width: 8px;
+  height: 8px;
+  border-radius: 50%;
+  background: #7c3aed;
+}
+
+.aa-voice-card__info {
+  flex: 1;
+  min-width: 0;
+}
+
+.aa-voice-card__name {
+  font-size: 13px;
+  font-weight: 500;
+  color: #1a1a2e;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.aa-voice-card__desc {
+  font-size: 11px;
+  color: #8c8ca1;
+  margin-top: 2px;
+}
+
+.aa-voice-card__preview {
+  width: 28px;
+  height: 28px;
+  border-radius: 50%;
+  border: none;
+  background: #f0f0f5;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 14px;
+  flex-shrink: 0;
+}
+
+.aa-voice-card__preview:hover {
+  background: #e0e0ea;
+}
+
+/* ── 配音参数 ── */
+.aa-voice-params {
+  margin-top: 16px;
+  padding-top: 16px;
+  border-top: 1px solid #f0f0f5;
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.aa-voice-params__row {
+  display: flex;
+  gap: 8px;
+}
+
+.aa-voice-params__field {
+  flex: 1;
+}
+
+.aa-clone-entry {
+  margin-top: 12px;
+  text-align: center;
+}
+
+/* ── 文案 & 对口型 ── */
+.aa-script-tabs {
+  display: flex;
+  gap: 8px;
   margin-bottom: 12px;
 }
 
-.ai-avatar-cover-preview img {
+.aa-script-tab {
+  padding: 6px 14px;
+  border: 1px solid #e0e0e8;
+  border-radius: 6px;
+  font-size: 12px;
+  cursor: pointer;
+  background: #fff;
+  color: #6b6b80;
+  transition: all 0.15s;
+}
+
+.aa-script-tab.active {
+  background: #7c3aed;
+  border-color: #7c3aed;
+  color: #fff;
+}
+
+.aa-char-count {
+  text-align: right;
+  font-size: 11px;
+  color: #8c8ca1;
+  margin-top: 4px;
+}
+
+.aa-lipsync-section {
+  margin-top: 16px;
+  padding-top: 16px;
+  border-top: 1px solid #f0f0f5;
+}
+
+.aa-lipsync-section__title {
+  font-size: 13px;
+  font-weight: 600;
+  color: #1a1a2e;
+  margin-bottom: 12px;
+}
+
+.aa-lipsync-preview {
+  width: 100%;
+  aspect-ratio: 9/16;
+  background: #0f0f1a;
+  border-radius: 10px;
+  overflow: hidden;
+  margin-bottom: 12px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.aa-lipsync-preview video {
+  width: 100%;
+  height: 100%;
+  object-fit: contain;
+}
+
+.aa-lipsync-actions {
+  display: flex;
+  gap: 8px;
+  flex-wrap: wrap;
+}
+
+.aa-broll-badge {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  padding: 2px 8px;
+  background: #f0fdf4;
+  border: 1px solid #86efac;
+  border-radius: 12px;
+  font-size: 11px;
+  color: #16a34a;
+}
+
+/* ── 标题配置 ── */
+.aa-title-input {
+  margin-bottom: 16px;
+}
+
+.aa-title-style-section {
+  margin-top: 12px;
+}
+
+.aa-subtitle-toggle {
+  margin-top: 16px;
+  padding-top: 16px;
+  border-top: 1px solid #f0f0f5;
+}
+
+.aa-checkbox-row {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  font-size: 13px;
+  color: #1a1a2e;
+  cursor: pointer;
+}
+
+/* ── 封面 & 生成 ── */
+.aa-cover-preview {
+  width: 100%;
+  aspect-ratio: 9/16;
+  max-height: 160px;
+  background: #f0f0f5;
+  border-radius: 10px;
+  overflow: hidden;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  margin-bottom: 12px;
+}
+
+.aa-cover-preview img {
   width: 100%;
   height: 100%;
   object-fit: cover;
 }
 
-/* ── 生成设置 ── */
-.ai-avatar-generate-section {
+.aa-cover-preview__placeholder {
+  font-size: 12px;
+  color: #8c8ca1;
+}
+
+.aa-cover-actions {
+  display: flex;
+  gap: 8px;
+  margin-bottom: 16px;
+}
+
+.aa-generate-section {
   margin-top: 16px;
   padding-top: 16px;
-  border-top: 1px solid var(--border-color, #2a2a2a);
+  border-top: 1px solid #f0f0f5;
 }
 
-.ai-avatar-generate-section .field-row {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  margin-bottom: 12px;
-  font-size: 13px;
-  color: var(--text-primary, #fff);
-}
-
-.ai-avatar-generate-section select {
-  background: var(--bg-tertiary, #222);
-  border: 1px solid var(--border-color, #2a2a2a);
-  border-radius: 4px;
-  color: var(--text-primary, #fff);
-  padding: 4px 8px;
-  font-size: 13px;
-}
-
-/* ── 生成按钮 ── */
-.ai-avatar-generate-btn {
-  width: 100%;
+.aa-config-summary {
+  margin: 12px 0;
   padding: 12px;
-  border: none;
+  background: #f8f8fc;
   border-radius: 8px;
-  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
-  color: #fff;
-  font-size: 15px;
-  font-weight: 600;
-  cursor: pointer;
-  transition: opacity 0.2s;
-  margin-top: 16px;
+  font-size: 12px;
 }
 
-.ai-avatar-generate-btn:hover {
-  opacity: 0.9;
+.aa-config-summary__row {
+  display: flex;
+  justify-content: space-between;
+  padding: 4px 0;
+  color: #6b6b80;
 }
 
-.ai-avatar-generate-btn:disabled {
-  opacity: 0.5;
-  cursor: not-allowed;
+.aa-config-summary__value {
+  color: #1a1a2e;
+  font-weight: 500;
+}
+
+.aa-config-summary__empty {
+  color: #c0c0d0;
+  font-style: italic;
+}
+
+/* ── 状态标签 ── */
+.aa-status-badge {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  padding: 4px 10px;
+  border-radius: 12px;
+  font-size: 12px;
+  font-weight: 500;
+}
+
+.aa-status-badge--idle {
+  background: #f0f0f5;
+  color: #8c8ca1;
+}
+.aa-status-badge--pending {
+  background: #fef3c7;
+  color: #d97706;
+}
+.aa-status-badge--processing {
+  background: #dbeafe;
+  color: #2563eb;
+}
+.aa-status-badge--completed {
+  background: #d1fae5;
+  color: #059669;
+}
+.aa-status-badge--failed {
+  background: #fee2e2;
+  color: #dc2626;
+}
+
+/* ── 进度条 ── */
+.aa-progress {
+  width: 100%;
+  height: 6px;
+  background: #e8e8ec;
+  border-radius: 3px;
+  overflow: hidden;
+  margin: 8px 0;
+}
+
+.aa-progress__bar {
+  height: 100%;
+  background: linear-gradient(90deg, #7c3aed, #a855f7);
+  border-radius: 3px;
+  transition: width 0.3s;
 }
 
 /* ── 弹窗通用 ── */
-.ai-avatar-modal-overlay {
+.aa-modal-overlay {
   position: fixed;
   inset: 0;
-  background: rgba(0, 0, 0, 0.6);
+  background: rgba(0, 0, 0, 0.5);
   display: flex;
   align-items: center;
   justify-content: center;
   z-index: 1000;
 }
 
-.ai-avatar-modal {
-  background: var(--bg-secondary, #1a1a1a);
-  border-radius: 12px;
-  width: 640px;
-  max-height: 80vh;
+.aa-modal {
+  background: #fff;
+  border-radius: 14px;
+  width: 90%;
+  max-width: 720px;
+  max-height: 85vh;
   display: flex;
   flex-direction: column;
-  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
+  overflow: hidden;
+  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
 }
 
-.ai-avatar-modal-header {
+.aa-modal__header {
   display: flex;
   align-items: center;
   justify-content: space-between;
   padding: 16px 20px;
-  border-bottom: 1px solid var(--border-color, #2a2a2a);
+  border-bottom: 1px solid #f0f0f5;
 }
 
-.ai-avatar-modal-header h3 {
-  margin: 0;
+.aa-modal__title {
   font-size: 16px;
-  color: var(--text-primary, #fff);
+  font-weight: 600;
+  color: #1a1a2e;
 }
 
-.ai-avatar-modal-body {
+.aa-modal__close {
+  width: 32px;
+  height: 32px;
+  border: none;
+  background: none;
+  cursor: pointer;
+  font-size: 18px;
+  color: #8c8ca1;
+  border-radius: 6px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.aa-modal__close:hover {
+  background: #f0f0f5;
+}
+
+.aa-modal__body {
   flex: 1;
   overflow-y: auto;
   padding: 20px;
 }
 
-.ai-avatar-modal-footer {
+.aa-modal__footer {
   display: flex;
   justify-content: flex-end;
-  gap: 8px;
-  padding: 16px 20px;
-  border-top: 1px solid var(--border-color, #2a2a2a);
+  gap: 10px;
+  padding: 14px 20px;
+  border-top: 1px solid #f0f0f5;
 }
 
-/* ── 文案选择弹窗 ── */
-.ai-avatar-script-search {
+/* ── 素材库弹窗 ── */
+.aa-asset-search {
   display: flex;
-  gap: 8px;
+  gap: 10px;
   margin-bottom: 16px;
 }
 
-.ai-avatar-script-search input {
+.aa-asset-search .aa-input {
   flex: 1;
-  background: var(--bg-tertiary, #222);
-  border: 1px solid var(--border-color, #2a2a2a);
-  border-radius: 6px;
-  padding: 8px 12px;
-  color: var(--text-primary, #fff);
-  font-size: 14px;
 }
 
-.ai-avatar-script-search input:focus {
-  outline: none;
-  border-color: var(--primary-color, #3b82f6);
+.aa-asset-grid {
+  display: grid;
+  grid-template-columns: repeat(4, 1fr);
+  gap: 10px;
 }
 
-.ai-avatar-script-item {
+.aa-asset-card {
+  aspect-ratio: 9/16;
+  border-radius: 8px;
+  overflow: hidden;
+  border: 2px solid transparent;
+  cursor: pointer;
+  position: relative;
+  background: #f0f0f5;
+  transition: border-color 0.15s;
+}
+
+.aa-asset-card:hover {
+  border-color: #c0c0d0;
+}
+.aa-asset-card.selected {
+  border-color: #7c3aed;
+}
+
+.aa-asset-card img,
+.aa-asset-card video {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+.aa-asset-card__name {
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  padding: 4px 6px;
+  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
+  color: #fff;
+  font-size: 10px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.aa-asset-card__check {
+  position: absolute;
+  top: 6px;
+  right: 6px;
+  width: 20px;
+  height: 20px;
+  border-radius: 50%;
+  background: #7c3aed;
+  color: #fff;
   display: flex;
   align-items: center;
-  justify-content: space-between;
-  padding: 12px 16px;
-  border-bottom: 1px solid var(--border-color, #2a2a2a);
-  cursor: pointer;
-  transition: background 0.2s;
-}
-
-.ai-avatar-script-item:hover {
-  background: var(--bg-tertiary, #222);
-}
-
-.ai-avatar-script-item.selected {
-  background: rgba(59, 130, 246, 0.1);
-}
-
-.ai-avatar-script-item-info {
-  flex: 1;
-}
-
-.ai-avatar-script-item-info h4 {
-  margin: 0 0 4px;
-  font-size: 14px;
-  color: var(--text-primary, #fff);
-  font-weight: 500;
-}
-
-.ai-avatar-script-item-info span {
+  justify-content: center;
   font-size: 12px;
-  color: var(--text-secondary, #999);
 }
 
 /* ── B-roll 弹窗 ── */
-.ai-avatar-broll-layout {
+.aa-broll-modal-body {
   display: flex;
-  gap: 16px;
+  gap: 20px;
 }
 
-.ai-avatar-broll-timeline {
+.aa-broll-left {
   flex: 1;
-  min-width: 0;
 }
 
-.ai-avatar-broll-settings {
+.aa-broll-right {
   width: 220px;
   flex-shrink: 0;
 }
 
-.ai-avatar-broll-thumbnails {
+.aa-broll-asset-grid {
   display: grid;
-  grid-template-columns: repeat(4, 1fr);
+  grid-template-columns: repeat(3, 1fr);
   gap: 8px;
   margin-bottom: 16px;
 }
 
-.ai-avatar-broll-thumb {
-  aspect-ratio: 16/9;
-  border-radius: 4px;
-  overflow: hidden;
-  background: var(--bg-tertiary, #222);
-  cursor: grab;
-  border: 2px solid transparent;
-  transition: border-color 0.2s;
-}
-
-.ai-avatar-broll-thumb:hover {
-  border-color: var(--primary-color, #3b82f6);
-}
-
-.ai-avatar-broll-thumb.selected {
-  border-color: var(--primary-color, #3b82f6);
-}
-
-.ai-avatar-pip-positions {
-  display: grid;
-  grid-template-columns: 1fr 1fr;
-  gap: 4px;
-  width: 120px;
-}
-
-.ai-avatar-pip-positions button {
-  padding: 4px 8px;
-  border: 1px solid var(--border-color, #2a2a2a);
-  border-radius: 4px;
-  background: transparent;
-  color: var(--text-secondary, #999);
-  font-size: 11px;
-  cursor: pointer;
-}
-
-.ai-avatar-pip-positions button.active {
-  background: var(--primary-color, #3b82f6);
-  color: #fff;
-  border-color: var(--primary-color, #3b82f6);
-}
-
-/* ── 状态指示器 ── */
-.ai-avatar-status-badge {
-  display: inline-flex;
-  align-items: center;
-  gap: 4px;
-  padding: 2px 8px;
-  border-radius: 10px;
-  font-size: 12px;
-}
-
-.ai-avatar-status-badge.completed {
-  background: rgba(34, 197, 94, 0.15);
-  color: #22c55e;
-}
-
-.ai-avatar-status-badge.processing {
-  background: rgba(59, 130, 246, 0.15);
-  color: #3b82f6;
-}
-
-.ai-avatar-status-badge.failed {
-  background: rgba(239, 68, 68, 0.15);
-  color: #ef4444;
-}
-
-/* ── 通用按钮 ── */
-.aa-btn {
-  padding: 6px 14px;
+.aa-broll-asset-thumb {
+  aspect-ratio: 9/16;
   border-radius: 6px;
-  font-size: 13px;
+  overflow: hidden;
+  border: 2px solid transparent;
   cursor: pointer;
-  border: 1px solid var(--border-color, #2a2a2a);
-  background: transparent;
-  color: var(--text-primary, #fff);
-  transition: all 0.2s;
+  position: relative;
+  background: #f0f0f5;
 }
 
-.aa-btn:hover {
-  background: var(--bg-tertiary, #222);
+.aa-broll-asset-thumb.selected {
+  border-color: #7c3aed;
 }
 
-.aa-btn-primary {
-  background: var(--primary-color, #3b82f6);
+.aa-broll-asset-thumb.already-selected {
+  opacity: 0.4;
+  pointer-events: none;
+}
+
+.aa-broll-asset-thumb.already-selected::after {
+  content: "已选择";
+  position: absolute;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.5);
   color: #fff;
-  border-color: var(--primary-color, #3b82f6);
+  font-size: 11px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
 }
 
-.aa-btn-primary:hover {
-  opacity: 0.9;
-  background: var(--primary-color, #3b82f6);
+.aa-broll-asset-thumb img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
 }
 
-.aa-btn-sm {
-  padding: 4px 10px;
-  font-size: 12px;
-}
-
-/* ── 单选组 ── */
-.aa-radio-group {
+.aa-broll-settings {
   display: flex;
   flex-direction: column;
+  gap: 12px;
+}
+
+.aa-broll-mode-toggle {
+  display: flex;
   gap: 6px;
 }
 
-.aa-radio-group label {
+.aa-broll-mode-btn {
+  flex: 1;
+  padding: 6px 10px;
+  border: 1px solid #e0e0e8;
+  border-radius: 6px;
+  font-size: 11px;
+  text-align: center;
+  cursor: pointer;
+  background: #fff;
+  color: #6b6b80;
+}
+
+.aa-broll-mode-btn.active {
+  background: #f5f0ff;
+  border-color: #7c3aed;
+  color: #7c3aed;
+}
+
+.aa-pip-positions {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 6px;
+}
+
+.aa-pip-pos-btn {
+  padding: 6px;
+  border: 1px solid #e0e0e8;
+  border-radius: 6px;
+  font-size: 11px;
+  text-align: center;
+  cursor: pointer;
+  background: #fff;
+  color: #6b6b80;
+}
+
+.aa-pip-pos-btn.active {
+  background: #f5f0ff;
+  border-color: #7c3aed;
+  color: #7c3aed;
+}
+
+/* ── 已配置 B-roll 列表 ── */
+.aa-broll-list {
+  margin-top: 16px;
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+.aa-broll-list__title {
+  font-size: 12px;
+  font-weight: 600;
+  color: #6b6b80;
+}
+
+.aa-broll-item {
   display: flex;
   align-items: center;
   gap: 8px;
-  font-size: 13px;
-  color: var(--text-primary, #fff);
-  cursor: pointer;
+  padding: 8px 10px;
+  background: #f8f8fc;
+  border-radius: 8px;
+  font-size: 12px;
 }
 
-/* ── 分割线 ── */
-.aa-divider {
+.aa-broll-item__thumb {
+  width: 32px;
+  height: 32px;
+  border-radius: 4px;
+  object-fit: cover;
+  background: #e8e8ec;
+}
+
+.aa-broll-item__info {
+  flex: 1;
+}
+
+.aa-broll-item__remove {
+  width: 24px;
+  height: 24px;
   border: none;
-  border-top: 1px solid var(--border-color, #2a2a2a);
-  margin: 16px 0;
+  background: none;
+  cursor: pointer;
+  color: #dc2626;
+  font-size: 14px;
+}
+
+/* ── 文案列表（弹窗内） ── */
+.aa-script-list-header {
+  display: flex;
+  gap: 10px;
+  margin-bottom: 16px;
+}
+
+.aa-script-list-header .aa-input {
+  flex: 1;
+}
+
+.aa-script-list {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+.aa-script-item {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  padding: 12px 14px;
+  border: 1px solid #e8e8ec;
+  border-radius: 8px;
+  cursor: pointer;
+  transition: all 0.15s;
+}
+
+.aa-script-item:hover {
+  border-color: #c0c0d0;
+  background: #fafafe;
+}
+.aa-script-item.selected {
+  border-color: #7c3aed;
+  background: #f5f0ff;
+}
+
+.aa-script-item__icon {
+  font-size: 20px;
+  color: #8c8ca1;
+}
+
+.aa-script-item__info {
+  flex: 1;
+}
+
+.aa-script-item__title {
+  font-size: 13px;
+  font-weight: 500;
+  color: #1a1a2e;
+}
+
+.aa-script-item__meta {
+  font-size: 11px;
+  color: #8c8ca1;
+  margin-top: 2px;
+}
+
+.aa-empty {
+  text-align: center;
+  padding: 32px 16px;
+  color: #8c8ca1;
+  font-size: 13px;
+}
+
+.aa-empty__icon {
+  font-size: 36px;
+  margin-bottom: 8px;
 }
diff --git a/apps/web/src/pages/ai-avatar/AiAvatarPage.tsx b/apps/web/src/pages/ai-avatar/AiAvatarPage.tsx
index 3a27ddaad..4544f5e04 100644
--- a/apps/web/src/pages/ai-avatar/AiAvatarPage.tsx
+++ b/apps/web/src/pages/ai-avatar/AiAvatarPage.tsx
@@ -1,100 +1,325 @@
 /**
- * AI数字人 — 主页面（5列水平面板布局）(#1798)
+ * AI数字人 — 主页面（v3）
+ * 5列水平面板布局
  */
-import React from "react"
-import { useAiAvatarState } from "./hooks/useAiAvatarState"
-import AvatarVideoPanel from "./components/AvatarVideoPanel"
-import VoiceClonePanel from "./components/VoiceClonePanel"
-import ScriptLipsyncPanel from "./components/ScriptLipsyncPanel"
-import TitleConfigPanel from "./components/TitleConfigPanel"
-import CoverGeneratePanel from "./components/CoverGeneratePanel"
-import ScriptSelectModal from "./components/ScriptSelectModal"
-import BRollInsertModal from "./components/BRollInsertModal"
+import React, { useState, useCallback, useEffect, useRef } from "react"
 import "./AiAvatar.css"
+import { useAiAvatar } from "./hooks/useAiAvatar"
+import { PanelVideoSelector } from "./components/PanelVideoSelector"
+import PanelVoiceSelector from "./components/PanelVoiceSelector"
+import PanelScriptAndLipsync from "./components/PanelScriptAndLipsync"
+import PanelTitleConfig from "./components/PanelTitleConfig"
+import PanelCoverAndGenerate from "./components/PanelCoverAndGenerate"
+import { ModalAssetPicker } from "./components/ModalAssetPicker"
+import ModalBRollEditor from "./components/ModalBRollEditor"
+import { getScripts, createLipsyncJob, getLipsyncJob, submitRender } from "./api/aiAvatar"
+import { getAssetsByKind } from "@/api/assets"
+
+/** 面板折叠状态 */
+type PanelKey = "video" | "voice" | "script" | "title" | "cover"
 
 const AiAvatarPage: React.FC = () => {
-  const state = useAiAvatarState()
+  const state = useAiAvatar()
+  const [collapsed, setCollapsed] = useState<Record<PanelKey, boolean>>({
+    video: false,
+    voice: false,
+    script: false,
+    title: false,
+    cover: false,
+  })
 
-  const handleSubmitGenerate = React.useCallback(() => {
-    // TODO: 调用 submitRender API
+  /* ── 素材库弹窗 ── */
+  const [bRollAssets, setBRollAssets] = useState<import("@/api/assets").AssetItem[]>([])
+
+  /* ── 对口型轮询 ── */
+  const lipsyncTimerRef = useRef<ReturnType<typeof setInterval> | null>(null)
+
+  const togglePanel = useCallback((key: PanelKey) => {
+    setCollapsed((prev) => ({ ...prev, [key]: !prev[key] }))
+  }, [])
+
+  /* ── 对口型 ── */
+  const handleGenerateLipsync = useCallback(async () => {
+    if (!state.selectedVideo || !state.selectedVoice || !state.scriptText) return
+    try {
+      const job = await createLipsyncJob({
+        voice_id: state.selectedVoice.voice_id,
+        script_text: state.scriptText,
+        video_asset_id: state.selectedVideo.id,
+      })
+      state.setLipsyncJob(job)
+      // 开始轮询
+      if (lipsyncTimerRef.current) clearInterval(lipsyncTimerRef.current)
+      lipsyncTimerRef.current = setInterval(async () => {
+        try {
+          const updated = await getLipsyncJob(job.id)
+          state.setLipsyncJob(updated)
+          if (updated.status === "completed" || updated.status === "failed") {
+            if (lipsyncTimerRef.current) clearInterval(lipsyncTimerRef.current)
+          }
+        } catch {
+          // 忽略轮询错误
+        }
+      }, 3000)
+    } catch (err) {
+      console.error("对口型任务创建失败:", err)
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [state.selectedVideo, state.selectedVoice, state.scriptText])
+
+  // 清理轮询
+  useEffect(() => {
+    return () => {
+      if (lipsyncTimerRef.current) clearInterval(lipsyncTimerRef.current)
+    }
+  }, [])
+
+  /* ── 加载 B-roll 素材 ── */
+  useEffect(() => {
+    getAssetsByKind("video", { limit: 50 })
+      .then(setBRollAssets)
+      .catch(() => {})
+  }, [])
+
+  /* ── 生成视频 ── */
+  const handleGenerate = useCallback(async () => {
+    if (!state.lipsyncJob || state.lipsyncJob.status !== "completed") return
     state.setIsGenerating(true)
-  }, [state])
+    try {
+      await submitRender({
+        lipsync_job_id: state.lipsyncJob.id,
+        script_id: state.script?.id,
+        b_roll_segments: state.bRollSegments as never,
+        title_config: state.titleConfig as unknown as Record<string, unknown>,
+        cover_config: state.coverConfig as unknown as Record<string, unknown>,
+        resolution: state.resolution,
+      })
+    } catch (err) {
+      console.error("渲染任务提交失败:", err)
+    } finally {
+      state.setIsGenerating(false)
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [
+    state.lipsyncJob,
+    state.script,
+    state.bRollSegments,
+    state.titleConfig,
+    state.coverConfig,
+    state.resolution,
+  ])
+
+  /* ── 配置汇总 ── */
+  const summary = {
+    videoName: state.selectedVideo?.name || null,
+    voiceName: state.selectedVoice?.name || null,
+    scriptLength: state.scriptText.length,
+    lipsyncStatus: state.lipsyncJob?.status || null,
+    brollCount: state.bRollSegments.length,
+    hasTitle: state.titleConfig.title.length > 0,
+    hasCover: state.coverConfig.enabled,
+  }
 
   return (
-    <div className="ai-avatar-page">
-      {/* 面板1：出镜视频 */}
-      <AvatarVideoPanel
-        video={state.avatarVideo}
-        onVideoChange={state.setAvatarVideo}
-        collapsed={!!state.collapsedPanels["avatar-video"]}
-        onToggleCollapse={() => state.togglePanel("avatar-video")}
-      />
+    <div className="aa-page">
+      <div className="aa-page-header">
+        <h1>AI数字人</h1>
+      </div>
+      <div className="aa-page-body">
+        {/* 面板1：出镜视频 */}
+        <div className={`aa-panel aa-panel--p1${collapsed.video ? " collapsed" : ""}`}>
+          <div className="aa-panel__header" onClick={() => togglePanel("video")}>
+            <span className="aa-panel__title">出镜视频</span>
+            <span className="aa-panel__toggle">▼</span>
+          </div>
+          <div className="aa-panel__body">
+            <PanelVideoSelector
+              selectedVideo={state.selectedVideo}
+              onSelectVideo={() => state.setShowAssetPicker(true)}
+              onRemoveVideo={state.removeVideo}
+            />
+          </div>
+        </div>
 
-      {/* 面板2：声音克隆 */}
-      <VoiceClonePanel
-        voiceClone={state.voiceClone}
-        setVoiceClone={state.setVoiceClone}
-        selectedVoiceId={state.selectedVoiceId}
-        setSelectedVoiceId={state.setSelectedVoiceId}
-        collapsed={!!state.collapsedPanels["voice-clone"]}
-        onToggleCollapse={() => state.togglePanel("voice-clone")}
-      />
+        {/* 面板2：配音库 */}
+        <div className={`aa-panel aa-panel--p2${collapsed.voice ? " collapsed" : ""}`}>
+          <div className="aa-panel__header" onClick={() => togglePanel("voice")}>
+            <span className="aa-panel__title">配音库</span>
+            <span className="aa-panel__toggle">▼</span>
+          </div>
+          <div className="aa-panel__body">
+            <PanelVoiceSelector
+              voiceSource={state.voiceSource}
+              onVoiceSourceChange={state.setVoiceSource}
+              selectedVoice={state.selectedVoice}
+              onSelectVoice={state.setSelectedVoice}
+              emotion={state.emotion}
+              onEmotionChange={state.setEmotion}
+              speed={state.speed}
+              onSpeedChange={state.setSpeed}
+              language={state.language}
+              onLanguageChange={state.setLanguage}
+            />
+          </div>
+        </div>
 
-      {/* 面板3：文案 & 对口型 */}
-      <ScriptLipsyncPanel
-        selectedScript={state.selectedScript}
-        setSelectedScript={state.setSelectedScript}
-        scriptContent={state.scriptContent}
-        setScriptContent={state.setScriptContent}
-        lipsyncJob={state.lipsyncJob}
-        setLipsyncJob={state.setLipsyncJob}
-        onOpenScriptModal={() => state.setScriptModalOpen(true)}
-        onOpenBRollModal={() => state.setBrollModalOpen(true)}
-        collapsed={!!state.collapsedPanels["script-lipsync"]}
-        onToggleCollapse={() => state.togglePanel("script-lipsync")}
-      />
+        {/* 面板3：文案 & 对口型 */}
+        <div className={`aa-panel aa-panel--p3${collapsed.script ? " collapsed" : ""}`}>
+          <div className="aa-panel__header" onClick={() => togglePanel("script")}>
+            <span className="aa-panel__title">文案 & 对口型</span>
+            <span className="aa-panel__toggle">▼</span>
+          </div>
+          <div className="aa-panel__body">
+            <PanelScriptAndLipsync
+              scriptText={state.scriptText}
+              onScriptTextChange={state.setScriptText}
+              onOpenScriptModal={() => state.setShowScriptModal(true)}
+              lipsyncJob={state.lipsyncJob}
+              onGenerateLipsync={handleGenerateLipsync}
+              bRollSegments={state.bRollSegments}
+              onOpenBRollModal={() => state.setShowBRollModal(true)}
+              onRemoveBRoll={state.removeBRollSegment}
+            />
+          </div>
+        </div>
 
-      {/* 面板4：标题配置 */}
-      <TitleConfigPanel
-        titleConfig={state.titleConfig}
-        setTitleConfig={state.setTitleConfig}
-        collapsed={!!state.collapsedPanels["title-config"]}
-        onToggleCollapse={() => state.togglePanel("title-config")}
-      />
+        {/* 面板4：标题配置 */}
+        <div className={`aa-panel aa-panel--p4${collapsed.title ? " collapsed" : ""}`}>
+          <div className="aa-panel__header" onClick={() => togglePanel("title")}>
+            <span className="aa-panel__title">标题配置</span>
+            <span className="aa-panel__toggle">▼</span>
+          </div>
+          <div className="aa-panel__body">
+            <PanelTitleConfig titleConfig={state.titleConfig} onUpdate={state.updateTitleConfig} />
+          </div>
+        </div>
 
-      {/* 面板5：封面 & 生成 */}
-      <CoverGeneratePanel
-        coverConfig={state.coverConfig}
-        setCoverConfig={state.setCoverConfig}
-        generateConfig={state.generateConfig}
-        setGenerateConfig={state.setGenerateConfig}
-        isGenerating={state.isGenerating}
-        onSubmitGenerate={handleSubmitGenerate}
-        collapsed={!!state.collapsedPanels["cover-generate"]}
-        onToggleCollapse={() => state.togglePanel("cover-generate")}
-      />
+        {/* 面板5：封面 & 生成 */}
+        <div className={`aa-panel aa-panel--p5${collapsed.cover ? " collapsed" : ""}`}>
+          <div className="aa-panel__header" onClick={() => togglePanel("cover")}>
+            <span className="aa-panel__title">封面 & 生成</span>
+            <span className="aa-panel__toggle">▼</span>
+          </div>
+          <div className="aa-panel__body">
+            <PanelCoverAndGenerate
+              coverConfig={state.coverConfig}
+              onCoverConfigChange={(partial) =>
+                state.setCoverConfig((prev) => ({ ...prev, ...partial }))
+              }
+              resolution={state.resolution}
+              onResolutionChange={state.setResolution}
+              isGenerating={state.isGenerating}
+              onGenerate={handleGenerate}
+              summary={summary}
+            />
+          </div>
+        </div>
+      </div>
 
-      {/* 弹窗：文案选择 */}
-      <ScriptSelectModal
-        open={state.scriptModalOpen}
-        onClose={() => state.setScriptModalOpen(false)}
-        onSelect={(script) => {
-          state.setSelectedScript(script)
-          state.setScriptContent(script.content)
-          state.setScriptModalOpen(false)
-        }}
-      />
+      {/* 素材库弹窗 */}
+      {state.showAssetPicker && (
+        <ModalAssetPicker
+          open={state.showAssetPicker}
+          onClose={() => state.setShowAssetPicker(false)}
+          onSelect={state.selectVideo}
+          selectedId={state.selectedVideo?.id}
+        />
+      )}
 
-      {/* 弹窗：B-roll 插入 */}
-      <BRollInsertModal
-        open={state.brollModalOpen}
-        onClose={() => state.setBrollModalOpen(false)}
-        onConfirm={(segment) => {
-          state.setBRollSegments((prev) => [...prev, segment])
-          state.setBrollModalOpen(false)
-        }}
-        videoDuration={state.lipsyncJob?.output_duration ?? 0}
-      />
+      {/* 文案选择弹窗 */}
+      {state.showScriptModal && (
+        <ScriptSelectModalLazy
+          open={state.showScriptModal}
+          onClose={() => state.setShowScriptModal(false)}
+          onSelect={state.selectScript}
+        />
+      )}
+
+      {/* B-roll 编辑器弹窗 */}
+      {state.showBRollModal && (
+        <ModalBRollEditor
+          open={state.showBRollModal}
+          onClose={() => state.setShowBRollModal(false)}
+          existingSegments={state.bRollSegments}
+          availableAssets={bRollAssets}
+          onConfirm={state.addBRollSegment}
+          onRemove={state.removeBRollSegment}
+        />
+      )}
+    </div>
+  )
+}
+
+/** 文案选择弹窗（内联实现，轻量版） */
+const ScriptSelectModalLazy: React.FC<{
+  open: boolean
+  onClose: () => void
+  onSelect: (script: import("./types").Script) => void
+}> = ({ open, onClose, onSelect }) => {
+  const [scripts, setScripts] = useState<import("./types").Script[]>([])
+  const [search, setSearch] = useState("")
+  const [loading, setLoading] = useState(false)
+
+  useEffect(() => {
+    if (!open) return
+    setLoading(true)
+    getScripts()
+      .then(setScripts)
+      .catch(() => {})
+      .finally(() => setLoading(false))
+  }, [open])
+
+  const filtered = scripts.filter(
+    (s) => !search || s.title.includes(search) || s.content.includes(search),
+  )
+
+  return (
+    <div className="aa-modal-overlay" onClick={onClose}>
+      <div className="aa-modal" onClick={(e) => e.stopPropagation()}>
+        <div className="aa-modal__header">
+          <span className="aa-modal__title">选择文案</span>
+          <button className="aa-modal__close" onClick={onClose}>
+            ✕
+          </button>
+        </div>
+        <div className="aa-modal__body">
+          <div className="aa-script-list-header">
+            <input
+              className="aa-input"
+              placeholder="搜索文案..."
+              value={search}
+              onChange={(e) => setSearch(e.target.value)}
+            />
+          </div>
+          {loading ? (
+            <div className="aa-empty">加载中...</div>
+          ) : filtered.length === 0 ? (
+            <div className="aa-empty">
+              <div className="aa-empty__icon">📝</div>
+              暂无文案，请手动输入或新建
+            </div>
+          ) : (
+            <div className="aa-script-list">
+              {filtered.map((s) => (
+                <div key={s.id} className="aa-script-item" onClick={() => onSelect(s)}>
+                  <span className="aa-script-item__icon">📄</span>
+                  <div className="aa-script-item__info">
+                    <div className="aa-script-item__title">{s.title}</div>
+                    <div className="aa-script-item__meta">
+                      {s.char_count}字 · {new Date(s.created_at).toLocaleDateString()}
+                    </div>
+                  </div>
+                </div>
+              ))}
+            </div>
+          )}
+        </div>
+        <div className="aa-modal__footer">
+          <button className="aa-btn" onClick={onClose}>
+            取消
+          </button>
+        </div>
+      </div>
     </div>
   )
 }
diff --git a/apps/web/src/pages/ai-avatar/api/aiAvatar.ts b/apps/web/src/pages/ai-avatar/api/aiAvatar.ts
index a190a8b47..24acab0ed 100644
--- a/apps/web/src/pages/ai-avatar/api/aiAvatar.ts
+++ b/apps/web/src/pages/ai-avatar/api/aiAvatar.ts
@@ -1,75 +1,63 @@
 /**
- * AI数字人 API 调用封装 (#1798)
+ * AI数字人 — API 封装
  */
 import apiClient from "@/api/client"
-import type {
-  Script,
-  LipsyncJob,
-  AiAvatarRenderRequest,
-  AiAvatarRenderJob,
-} from "../types/aiAvatar"
+import type { Script, LipsyncJob, RenderJob, BRollSegment } from "../types"
 
 /* ── 文案库 ── */
-export async function getScripts(params?: { search?: string; offset?: number; limit?: number }) {
-  const { data } = await apiClient.get<{ items: Script[]; total: number }>("/scripts", { params })
-  return data
+export const getScripts = async (): Promise<Script[]> => {
+  const response = await apiClient.get<Script[]>("/scripts")
+  return response.data
 }
 
-export async function getScript(id: string) {
-  const { data } = await apiClient.get<Script>(`/scripts/${id}`)
-  return data
+export const getScriptById = async (id: string): Promise<Script> => {
+  const response = await apiClient.get<Script>(`/scripts/${id}`)
+  return response.data
 }
 
-export async function createScript(payload: { title: string; content: string; tags?: string[] }) {
-  const { data } = await apiClient.post<Script>("/scripts", payload)
-  return data
+export const createScript = async (data: { title: string; content: string }): Promise<Script> => {
+  const response = await apiClient.post<Script>("/scripts", data)
+  return response.data
 }
 
-export async function deleteScript(id: string) {
+export const deleteScript = async (id: string): Promise<void> => {
   await apiClient.delete(`/scripts/${id}`)
 }
 
 /* ── 对口型 ── */
-export async function createLipsyncJob(payload: {
-  video_url: string
-  audio_url: string
-  enable_video_loop?: boolean
+export const createLipsyncJob = async (data: {
+  voice_id: string
+  script_text: string
+  video_asset_id: string
+}): Promise<LipsyncJob> => {
+  const response = await apiClient.post<LipsyncJob>("/lipsync/jobs", data)
+  return response.data
+}
+
+export const getLipsyncJob = async (id: string): Promise<LipsyncJob> => {
+  const response = await apiClient.get<LipsyncJob>(`/lipsync/jobs/${id}`)
+  return response.data
+}
+
+/* ── 渲染 ── */
+export const submitRender = async (data: {
+  lipsync_job_id: string
+  script_id?: string
+  b_roll_segments?: BRollSegment[]
+  title_config?: Record<string, unknown>
+  cover_config?: Record<string, unknown>
   project_id?: string
-}) {
-  const { data } = await apiClient.post<LipsyncJob>("/lipsync/jobs", payload)
-  return data
+  resolution?: string
+}): Promise<RenderJob> => {
+  const response = await apiClient.post<RenderJob>("/ai-avatar/render", data)
+  return response.data
 }
 
-export async function getLipsyncJob(id: string) {
-  const { data } = await apiClient.get<LipsyncJob>(`/lipsync/jobs/${id}`)
-  return data
+export const getRenderJob = async (jobId: string): Promise<RenderJob> => {
+  const response = await apiClient.get<RenderJob>(`/ai-avatar/render/${jobId}`)
+  return response.data
 }
 
-/* ── 渲染合成 ── */
-export async function submitRender(payload: AiAvatarRenderRequest) {
-  const { data } = await apiClient.post<AiAvatarRenderJob>("/ai-avatar/render", payload)
-  return data
+export const cancelRenderJob = async (jobId: string): Promise<void> => {
+  await apiClient.post(`/ai-avatar/render/${jobId}/cancel`)
 }
-
-export async function getRenderJobs(params?: { project_id?: string; status?: string }) {
-  const { data } = await apiClient.get<AiAvatarRenderJob[]>("/ai-avatar/render/jobs", { params })
-  return data
-}
-
-export async function getRenderJob(jobId: string) {
-  const { data } = await apiClient.get<AiAvatarRenderJob>(`/ai-avatar/render/${jobId}`)
-  return data
-}
-
-export async function cancelRenderJob(jobId: string) {
-  const { data } = await apiClient.post<AiAvatarRenderJob>(`/ai-avatar/render/${jobId}/cancel`)
-  return data
-}
-
-export async function retryRenderJob(jobId: string) {
-  const { data } = await apiClient.post<AiAvatarRenderJob>(`/ai-avatar/render/${jobId}/retry`)
-  return data
-}
-
-/* ── 素材上传（复用已有 API） ── */
-export { prepareDirectUpload, completeDirectUpload } from "@/api/assets"
diff --git a/apps/web/src/pages/ai-avatar/components/AvatarVideoPanel.tsx b/apps/web/src/pages/ai-avatar/components/AvatarVideoPanel.tsx
deleted file mode 100644
index 3c4628325..000000000
--- a/apps/web/src/pages/ai-avatar/components/AvatarVideoPanel.tsx
+++ /dev/null
@@ -1,226 +0,0 @@
-import { useState, useRef, useCallback } from "react"
-import { uploadAssetDirect, ensureDefaultLibrary } from "@/api/assets"
-import { getOrCreateDefaultProject } from "@/api/projects"
-import type { AvatarVideo } from "../types/aiAvatar"
-
-interface AvatarVideoPanelProps {
-  video: AvatarVideo | null
-  onVideoChange: (v: AvatarVideo | null) => void
-  collapsed: boolean
-  onToggleCollapse: () => void
-}
-
-const MAX_VIDEO_SIZE = 500 * 1024 * 1024 // 500MB
-
-/** 格式化秒数为 mm:ss */
-function formatDuration(seconds: number): string {
-  const m = Math.floor(seconds / 60)
-  const s = Math.floor(seconds % 60)
-  return `${String(m).padStart(2, "0")}:${String(s).padStart(2, "0")}`
-}
-
-/** 获取视频元信息 */
-function getVideoMetadata(
-  file: File,
-): Promise<{ duration: number; width: number; height: number }> {
-  return new Promise((resolve, reject) => {
-    const url = URL.createObjectURL(file)
-    const video = document.createElement("video")
-    video.preload = "metadata"
-    video.onloadedmetadata = () => {
-      resolve({
-        duration: video.duration,
-        width: video.videoWidth,
-        height: video.videoHeight,
-      })
-      URL.revokeObjectURL(url)
-    }
-    video.onerror = () => {
-      URL.revokeObjectURL(url)
-      reject(new Error("无法读取视频信息"))
-    }
-    video.src = url
-  })
-}
-
-const AvatarVideoPanel: React.FC<AvatarVideoPanelProps> = ({
-  video,
-  onVideoChange,
-  collapsed,
-  onToggleCollapse,
-}) => {
-  const [uploading, setUploading] = useState(false)
-  const [uploadProgress, setUploadProgress] = useState(0)
-  const [dragOver, setDragOver] = useState(false)
-  const fileInputRef = useRef<HTMLInputElement>(null)
-
-  const handleUpload = useCallback(
-    async (file: File) => {
-      if (file.size > MAX_VIDEO_SIZE) {
-        alert("视频文件大小不能超过 500MB")
-        return
-      }
-      if (!file.type.startsWith("video/")) {
-        alert("请上传 MP4 格式的视频文件")
-        return
-      }
-
-      try {
-        // 获取视频元信息
-        const metadata = await getVideoMetadata(file)
-
-        setUploading(true)
-        setUploadProgress(0)
-
-        // 获取或创建默认项目
-        const project = await getOrCreateDefaultProject()
-
-        // 获取或创建默认视频库
-        const library = await ensureDefaultLibrary({
-          project_id: project.id,
-          kind: "video",
-        })
-
-        // 上传文件到 OSS
-        await uploadAssetDirect({
-          file,
-          library_id: library.id,
-          onProgress: (p) => setUploadProgress(p),
-        })
-
-        // 构建视频对象（使用本地预览 URL）
-        const previewUrl = URL.createObjectURL(file)
-        onVideoChange({
-          url: previewUrl,
-          name: file.name,
-          duration: metadata.duration,
-          width: metadata.width,
-          height: metadata.height,
-          size: file.size,
-        })
-      } catch (err) {
-        const message = err instanceof Error ? err.message : "上传失败，请重试"
-        alert(message)
-      } finally {
-        setUploading(false)
-        setUploadProgress(0)
-      }
-    },
-    [onVideoChange],
-  )
-
-  const handleFileSelect = useCallback(
-    (e: React.ChangeEvent<HTMLInputElement>) => {
-      const file = e.target.files?.[0]
-      if (file) {
-        handleUpload(file)
-      }
-      // 清空 input 以支持重复选择同一文件
-      e.target.value = ""
-    },
-    [handleUpload],
-  )
-
-  const handleDrop = useCallback(
-    (e: React.DragEvent<HTMLDivElement>) => {
-      e.preventDefault()
-      setDragOver(false)
-      const file = e.dataTransfer.files[0]
-      if (file) {
-        handleUpload(file)
-      }
-    },
-    [handleUpload],
-  )
-
-  const handleDragOver = useCallback((e: React.DragEvent<HTMLDivElement>) => {
-    e.preventDefault()
-    setDragOver(true)
-  }, [])
-
-  const handleDragLeave = useCallback(() => {
-    setDragOver(false)
-  }, [])
-
-  const handleRemove = useCallback(() => {
-    onVideoChange(null)
-  }, [onVideoChange])
-
-  return (
-    <div className={`ai-avatar-panel panel-avatar-video ${collapsed ? "collapsed" : ""}`}>
-      <div className="ai-avatar-panel-header" onClick={onToggleCollapse}>
-        <h3>出镜视频</h3>
-        <button className="collapse-btn">◀</button>
-      </div>
-      <div className="ai-avatar-panel-body">
-        {video ? (
-          <div>
-            <div className="ai-avatar-media-preview">
-              <video src={video.url} controls />
-            </div>
-            <div className="ai-avatar-media-info">
-              <span>时长：{formatDuration(video.duration)}</span>
-              <span>
-                分辨率：{video.width}×{video.height}
-              </span>
-            </div>
-            <div className="ai-avatar-media-info">
-              <span>{video.name}</span>
-            </div>
-            <button className="aa-btn aa-btn-sm" onClick={handleRemove} style={{ marginTop: 8 }}>
-              移除视频
-            </button>
-          </div>
-        ) : (
-          <div
-            className={`ai-avatar-upload-zone ${dragOver ? "drag-over" : ""}`}
-            onClick={() => fileInputRef.current?.click()}
-            onDrop={handleDrop}
-            onDragOver={handleDragOver}
-            onDragLeave={handleDragLeave}
-          >
-            <span className="upload-icon">🎬</span>
-            {uploading ? (
-              <div>
-                <div>上传中... {uploadProgress}%</div>
-                <div
-                  style={{
-                    width: "100%",
-                    height: 4,
-                    background: "#2a2a2a",
-                    borderRadius: 2,
-                    marginTop: 8,
-                  }}
-                >
-                  <div
-                    style={{
-                      width: `${uploadProgress}%`,
-                      height: "100%",
-                      background: "#3b82f6",
-                      borderRadius: 2,
-                      transition: "width 0.2s",
-                    }}
-                  />
-                </div>
-              </div>
-            ) : (
-              <div>
-                <div>点击或拖拽上传视频</div>
-                <div style={{ marginTop: 4, fontSize: 12 }}>MP4 格式，不超过 500MB</div>
-              </div>
-            )}
-            <input
-              ref={fileInputRef}
-              type="file"
-              accept="video/mp4,video/*"
-              onChange={handleFileSelect}
-              style={{ display: "none" }}
-            />
-          </div>
-        )}
-      </div>
-    </div>
-  )
-}
-
-export default AvatarVideoPanel
diff --git a/apps/web/src/pages/ai-avatar/components/BRollInsertModal.tsx b/apps/web/src/pages/ai-avatar/components/BRollInsertModal.tsx
deleted file mode 100644
index 3acbdeac7..000000000
--- a/apps/web/src/pages/ai-avatar/components/BRollInsertModal.tsx
+++ /dev/null
@@ -1,272 +0,0 @@
-/**
- * B-roll 画面插入弹窗
- * 左右布局：左侧素材缩略图 + 右侧设置
- */
-import React, { useCallback, useState } from "react"
-import type { BRollSegment } from "../types/aiAvatar"
-
-interface BRollInsertModalProps {
-  open: boolean
-  onClose: () => void
-  onConfirm: (segment: BRollSegment) => void
-  videoDuration: number
-}
-
-/** 画中画位置选项 */
-const PIP_POSITIONS = [
-  { value: "top-left", label: "左上" },
-  { value: "top-right", label: "右上" },
-  { value: "bottom-left", label: "左下" },
-  { value: "bottom-right", label: "右下" },
-]
-
-/** 格式化秒数为 mm:ss */
-function formatTime(seconds: number): string {
-  const mins = Math.floor(seconds / 60)
-  const secs = Math.floor(seconds % 60)
-  return `${String(mins).padStart(2, "0")}:${String(secs).padStart(2, "0")}`
-}
-
-const BRollInsertModal: React.FC<BRollInsertModalProps> = ({
-  open,
-  onClose,
-  onConfirm,
-  videoDuration,
-}) => {
-  /* 素材列表（示例数据，实际使用时通过 props 或 API 传入） */
-  const [assets, setAssets] = useState<{ id: string; url: string; name: string }[]>([])
-  const [selectedAssetId, setSelectedAssetId] = useState<string | null>(null)
-
-  /* 设置 */
-  const [insertMode, setInsertMode] = useState<"fullscreen" | "pip">("fullscreen")
-  const [pipPosition, setPipPosition] = useState("top-right")
-  const [startTime, setStartTime] = useState(0)
-  const [endTime, setEndTime] = useState(5)
-  const [scriptIndex, setScriptIndex] = useState(0)
-
-  const handleConfirm = useCallback(() => {
-    const asset = assets.find((a) => a.id === selectedAssetId)
-    if (!asset) return
-
-    const segment: BRollSegment = {
-      script_segment_index: scriptIndex,
-      asset_url: asset.url,
-      mode: insertMode,
-      start_time: startTime,
-      end_time: endTime,
-      pip_position: insertMode === "pip" ? pipPosition : undefined,
-      pip_scale: insertMode === "pip" ? 0.3 : undefined,
-    }
-    onConfirm(segment)
-    onClose()
-  }, [
-    assets,
-    selectedAssetId,
-    scriptIndex,
-    insertMode,
-    pipPosition,
-    startTime,
-    endTime,
-    onConfirm,
-    onClose,
-  ])
-
-  /* 上传新素材占位 */
-  const handleUploadAsset = useCallback(() => {
-    /* 实际项目中触发文件上传逻辑 */
-    const newAsset = {
-      id: `asset-${Date.now()}`,
-      url: "",
-      name: "新素材",
-    }
-    setAssets((prev) => [...prev, newAsset])
-    setSelectedAssetId(newAsset.id)
-  }, [])
-
-  if (!open) return null
-
-  return (
-    <div className="ai-avatar-modal-overlay" onClick={onClose}>
-      <div className="ai-avatar-modal" style={{ width: 800 }} onClick={(e) => e.stopPropagation()}>
-        <div className="ai-avatar-modal-header">
-          <h3>插入 B-roll 画面</h3>
-          <button className="aa-btn aa-btn-sm" onClick={onClose}>
-            ✕
-          </button>
-        </div>
-
-        <div className="ai-avatar-modal-body">
-          <div className="ai-avatar-broll-layout">
-            {/* 左侧：素材缩略图 */}
-            <div className="ai-avatar-broll-timeline">
-              <h4 style={{ fontSize: 13, color: "#999", margin: "0 0 12px", fontWeight: 500 }}>
-                素材列表
-              </h4>
-              <div className="ai-avatar-broll-thumbnails">
-                {assets.map((asset) => (
-                  <div
-                    key={asset.id}
-                    className={`ai-avatar-broll-thumb ${selectedAssetId === asset.id ? "selected" : ""}`}
-                    onClick={() => setSelectedAssetId(asset.id)}
-                    title={asset.name}
-                  >
-                    {asset.url ? (
-                      <img
-                        src={asset.url}
-                        alt={asset.name}
-                        style={{ width: "100%", height: "100%", objectFit: "cover" }}
-                      />
-                    ) : (
-                      <div
-                        style={{
-                          display: "flex",
-                          alignItems: "center",
-                          justifyContent: "center",
-                          height: "100%",
-                          fontSize: 11,
-                          color: "#666",
-                        }}
-                      >
-                        {asset.name}
-                      </div>
-                    )}
-                  </div>
-                ))}
-              </div>
-              <button className="aa-btn" onClick={handleUploadAsset}>
-                + 上传新素材
-              </button>
-            </div>
-
-            {/* 右侧：设置 */}
-            <div className="ai-avatar-broll-settings">
-              <h4 style={{ fontSize: 13, color: "#999", margin: "0 0 12px", fontWeight: 500 }}>
-                插入设置
-              </h4>
-
-              {/* 插入位置 */}
-              <div style={{ marginBottom: 12 }}>
-                <label style={{ display: "block", fontSize: 12, color: "#999", marginBottom: 4 }}>
-                  插入位置（文案段落索引）
-                </label>
-                <input
-                  type="number"
-                  min={0}
-                  value={scriptIndex}
-                  onChange={(e) => setScriptIndex(Number(e.target.value))}
-                  style={{
-                    width: "100%",
-                    background: "#222",
-                    border: "1px solid #2a2a2a",
-                    borderRadius: 4,
-                    padding: "6px 8px",
-                    color: "#fff",
-                    fontSize: 13,
-                  }}
-                />
-              </div>
-
-              {/* 开始时间 */}
-              <div style={{ marginBottom: 12 }}>
-                <label style={{ display: "block", fontSize: 12, color: "#999", marginBottom: 4 }}>
-                  开始时间：{formatTime(startTime)}
-                </label>
-                <input
-                  type="range"
-                  min={0}
-                  max={videoDuration}
-                  step={0.1}
-                  value={startTime}
-                  onChange={(e) => setStartTime(Number(e.target.value))}
-                  style={{ width: "100%" }}
-                />
-              </div>
-
-              {/* 持续时间 */}
-              <div style={{ marginBottom: 12 }}>
-                <label style={{ display: "block", fontSize: 12, color: "#999", marginBottom: 4 }}>
-                  结束时间：{formatTime(endTime)}
-                </label>
-                <input
-                  type="range"
-                  min={startTime}
-                  max={videoDuration}
-                  step={0.1}
-                  value={endTime}
-                  onChange={(e) => setEndTime(Number(e.target.value))}
-                  style={{ width: "100%" }}
-                />
-              </div>
-
-              <hr className="aa-divider" />
-
-              {/* 插入模式 */}
-              <div style={{ marginBottom: 12 }}>
-                <label style={{ display: "block", fontSize: 12, color: "#999", marginBottom: 8 }}>
-                  插入模式
-                </label>
-                <div className="aa-radio-group">
-                  <label>
-                    <input
-                      type="radio"
-                      name="brollInsertMode"
-                      value="fullscreen"
-                      checked={insertMode === "fullscreen"}
-                      onChange={() => setInsertMode("fullscreen")}
-                    />
-                    全屏替换
-                  </label>
-                  <label>
-                    <input
-                      type="radio"
-                      name="brollInsertMode"
-                      value="pip"
-                      checked={insertMode === "pip"}
-                      onChange={() => setInsertMode("pip")}
-                    />
-                    画中画
-                  </label>
-                </div>
-              </div>
-
-              {/* 画中画位置选择 */}
-              {insertMode === "pip" && (
-                <div style={{ marginBottom: 12 }}>
-                  <label style={{ display: "block", fontSize: 12, color: "#999", marginBottom: 8 }}>
-                    画中画位置
-                  </label>
-                  <div className="ai-avatar-pip-positions">
-                    {PIP_POSITIONS.map((pos) => (
-                      <button
-                        key={pos.value}
-                        className={pipPosition === pos.value ? "active" : ""}
-                        onClick={() => setPipPosition(pos.value)}
-                      >
-                        {pos.label}
-                      </button>
-                    ))}
-                  </div>
-                </div>
-              )}
-            </div>
-          </div>
-        </div>
-
-        <div className="ai-avatar-modal-footer">
-          <button className="aa-btn" onClick={onClose}>
-            取消
-          </button>
-          <button
-            className="aa-btn aa-btn-primary"
-            disabled={!selectedAssetId}
-            onClick={handleConfirm}
-          >
-            确认插入
-          </button>
-        </div>
-      </div>
-    </div>
-  )
-}
-
-export default BRollInsertModal
diff --git a/apps/web/src/pages/ai-avatar/components/CoverGeneratePanel.tsx b/apps/web/src/pages/ai-avatar/components/CoverGeneratePanel.tsx
deleted file mode 100644
index 3aed9e64a..000000000
--- a/apps/web/src/pages/ai-avatar/components/CoverGeneratePanel.tsx
+++ /dev/null
@@ -1,131 +0,0 @@
-/**
- * 面板5：封面 & 生成
- * 封面预览 + 生成设置 + 生成按钮
- */
-import React, { useCallback } from "react"
-import type { AiAvatarCoverConfig, AiAvatarGenerateConfig } from "../types/aiAvatar"
-
-interface CoverGeneratePanelProps {
-  coverConfig: AiAvatarCoverConfig
-  setCoverConfig: (c: AiAvatarCoverConfig) => void
-  generateConfig: AiAvatarGenerateConfig
-  setGenerateConfig: (c: AiAvatarGenerateConfig) => void
-  isGenerating: boolean
-  onSubmitGenerate: () => void
-  collapsed: boolean
-  onToggleCollapse: () => void
-}
-
-const CoverGeneratePanel: React.FC<CoverGeneratePanelProps> = ({
-  coverConfig,
-  setCoverConfig,
-  generateConfig,
-  setGenerateConfig,
-  isGenerating,
-  onSubmitGenerate,
-  collapsed,
-  onToggleCollapse,
-}) => {
-  const handleFrameCapture = useCallback(() => {
-    setCoverConfig({ ...coverConfig, mode: "frame", enabled: true })
-  }, [coverConfig, setCoverConfig])
-
-  const handleCustomUpload = useCallback(() => {
-    setCoverConfig({ ...coverConfig, mode: "upload", enabled: true })
-  }, [coverConfig, setCoverConfig])
-
-  return (
-    <div className={`ai-avatar-panel panel-cover-generate ${collapsed ? "collapsed" : ""}`}>
-      <div className="ai-avatar-panel-header" onClick={onToggleCollapse}>
-        <h3>封面 &amp; 生成</h3>
-        <button className="collapse-btn">◀</button>
-      </div>
-      <div className="ai-avatar-panel-body">
-        {/* 封面预览区 */}
-        <div className="ai-avatar-cover-preview">
-          {coverConfig.thumbnail_url ? (
-            <img src={coverConfig.thumbnail_url} alt="封面预览" />
-          ) : (
-            <span>暂无封面</span>
-          )}
-        </div>
-
-        {/* 封面操作按钮 */}
-        <div style={{ display: "flex", gap: 8, marginBottom: 16 }}>
-          <button className="aa-btn" style={{ flex: 1 }} onClick={handleFrameCapture}>
-            从视频截取
-          </button>
-          <button className="aa-btn" style={{ flex: 1 }} onClick={handleCustomUpload}>
-            自定义上传
-          </button>
-        </div>
-
-        {/* 分割线 + 生成设置 */}
-        <hr className="aa-divider" />
-
-        <div className="ai-avatar-generate-section">
-          <h4 style={{ fontSize: 13, color: "#999", margin: "0 0 12px", fontWeight: 500 }}>
-            生成设置
-          </h4>
-
-          {/* 分辨率 */}
-          <div className="field-row">
-            <span>分辨率</span>
-            <select
-              value={generateConfig.resolution}
-              onChange={(e) =>
-                setGenerateConfig({
-                  ...generateConfig,
-                  resolution: e.target.value as "720p" | "1080p",
-                })
-              }
-            >
-              <option value="720p">720p</option>
-              <option value="1080p">1080p</option>
-            </select>
-          </div>
-
-          {/* 画面插入模式 */}
-          <div style={{ marginBottom: 12 }}>
-            <label style={{ display: "block", fontSize: 13, color: "#fff", marginBottom: 8 }}>
-              画面插入模式
-            </label>
-            <div className="aa-radio-group">
-              <label>
-                <input
-                  type="radio"
-                  name="bRollMode"
-                  value="fullscreen"
-                  checked={generateConfig.bRollMode === "fullscreen"}
-                  onChange={() => setGenerateConfig({ ...generateConfig, bRollMode: "fullscreen" })}
-                />
-                全屏切换
-              </label>
-              <label>
-                <input
-                  type="radio"
-                  name="bRollMode"
-                  value="pip"
-                  checked={generateConfig.bRollMode === "pip"}
-                  onChange={() => setGenerateConfig({ ...generateConfig, bRollMode: "pip" })}
-                />
-                画中画
-              </label>
-            </div>
-          </div>
-        </div>
-
-        {/* 生成按钮 */}
-        <button
-          className="ai-avatar-generate-btn"
-          disabled={isGenerating}
-          onClick={onSubmitGenerate}
-        >
-          {isGenerating ? "生成中..." : "🚀 开始生成视频"}
-        </button>
-      </div>
-    </div>
-  )
-}
-
-export default CoverGeneratePanel
diff --git a/apps/web/src/pages/ai-avatar/components/ModalAssetPicker.tsx b/apps/web/src/pages/ai-avatar/components/ModalAssetPicker.tsx
new file mode 100644
index 000000000..9d1ae4c9d
--- /dev/null
+++ b/apps/web/src/pages/ai-avatar/components/ModalAssetPicker.tsx
@@ -0,0 +1,211 @@
+/**
+ * AI数字人 — 素材库弹窗
+ * 搜索框 + 类型筛选（全部/视频/图片）+ 4 列竖屏 9:16 缩略图网格 + 底部确认选择
+ */
+import { useEffect, useState } from "react"
+import { ensureDefaultLibrary, getAssetsByKind, type AssetItem } from "@/api/assets"
+import { getOrCreateDefaultProject } from "@/api/projects"
+
+/** 素材类型筛选 */
+type AssetKindFilter = "all" | "video" | "image"
+
+export interface ModalAssetPickerProps {
+  open: boolean
+  onClose: () => void
+  onSelect: (asset: AssetItem) => void
+  /** 已选中的素材 ID（用于高亮） */
+  selectedId?: string
+}
+
+const KIND_OPTIONS: { value: AssetKindFilter; label: string }[] = [
+  { value: "all", label: "全部" },
+  { value: "video", label: "视频" },
+  { value: "image", label: "图片" },
+]
+
+export function ModalAssetPicker({ open, onClose, onSelect, selectedId }: ModalAssetPickerProps) {
+  const [keyword, setKeyword] = useState("")
+  const [kindFilter, setKindFilter] = useState<AssetKindFilter>("video")
+  const [assets, setAssets] = useState<AssetItem[]>([])
+  const [pickedId, setPickedId] = useState<string | null>(null)
+  const [loading, setLoading] = useState(false)
+  const [error, setError] = useState("")
+  const [ready, setReady] = useState(false)
+
+  /* 弹窗打开：重置筛选 / 关键字，并定位高亮到已选素材 */
+  useEffect(() => {
+    if (!open) return
+    setKeyword("")
+    setKindFilter("video")
+    setAssets([])
+    setError("")
+    setPickedId(selectedId ?? null)
+    setReady(false)
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [open])
+
+  /* 确保默认素材库存在（视频 + 图片，供类型筛选），仅在弹窗打开时执行一次 */
+  useEffect(() => {
+    if (!open) return
+    let cancelled = false
+    const ensureLibraries = async () => {
+      try {
+        const project = await getOrCreateDefaultProject()
+        await Promise.all([
+          ensureDefaultLibrary({ project_id: project.id, kind: "video" }),
+          ensureDefaultLibrary({ project_id: project.id, kind: "image" }),
+        ])
+        if (!cancelled) setReady(true)
+      } catch {
+        if (!cancelled) setError("素材库初始化失败，请重试")
+      }
+    }
+    ensureLibraries()
+    return () => {
+      cancelled = true
+    }
+  }, [open])
+
+  /* 拉取素材：类型 / 关键字变化时防抖重新请求 */
+  useEffect(() => {
+    if (!open || !ready) return
+    let cancelled = false
+    setLoading(true)
+    const load = async () => {
+      try {
+        const kw = keyword.trim() || undefined
+        let items: AssetItem[] = []
+        if (kindFilter === "all") {
+          const [videos, images] = await Promise.all([
+            getAssetsByKind("video", { keyword: kw }),
+            getAssetsByKind("image", { keyword: kw }),
+          ])
+          const seen = new Set<string>()
+          items = [...videos, ...images].filter((a) => {
+            if (seen.has(a.id)) return false
+            seen.add(a.id)
+            return true
+          })
+        } else {
+          items = await getAssetsByKind(kindFilter, { keyword: kw })
+        }
+        if (!cancelled) setAssets(items)
+      } catch {
+        if (!cancelled) {
+          setError("素材加载失败，请重试")
+          setAssets([])
+        }
+      } finally {
+        if (!cancelled) setLoading(false)
+      }
+    }
+    const timer = window.setTimeout(load, 300)
+    return () => {
+      cancelled = true
+      window.clearTimeout(timer)
+    }
+  }, [open, ready, kindFilter, keyword])
+
+  if (!open) return null
+
+  const handleConfirm = () => {
+    if (!pickedId) return
+    const asset = assets.find((a) => a.id === pickedId)
+    if (asset) onSelect(asset)
+    onClose()
+  }
+
+  return (
+    <div className="aa-modal-overlay" onClick={onClose}>
+      <div className="aa-modal" onClick={(e) => e.stopPropagation()}>
+        {/* 头部 */}
+        <div className="aa-modal__header">
+          <span className="aa-modal__title">选择素材</span>
+          <button type="button" className="aa-modal__close" onClick={onClose} aria-label="关闭">
+            ×
+          </button>
+        </div>
+
+        {/* 主体：搜索 + 筛选 + 网格 */}
+        <div className="aa-modal__body">
+          <div className="aa-asset-search">
+            <input
+              className="aa-input"
+              type="text"
+              placeholder="搜索素材名称…"
+              value={keyword}
+              onChange={(e) => setKeyword(e.target.value)}
+            />
+            <select
+              className="aa-select"
+              style={{ width: 110, flex: "0 0 auto" }}
+              value={kindFilter}
+              onChange={(e) => setKindFilter(e.target.value as AssetKindFilter)}
+            >
+              {KIND_OPTIONS.map((opt) => (
+                <option key={opt.value} value={opt.value}>
+                  {opt.label}
+                </option>
+              ))}
+            </select>
+          </div>
+
+          {loading ? (
+            <div className="aa-empty">
+              <div className="aa-empty__icon">⏳</div>
+              素材加载中…
+            </div>
+          ) : error ? (
+            <div className="aa-empty">
+              <div className="aa-empty__icon">⚠️</div>
+              {error}
+            </div>
+          ) : assets.length === 0 ? (
+            <div className="aa-empty">
+              <div className="aa-empty__icon">📁</div>
+              暂无素材
+            </div>
+          ) : (
+            <div className="aa-asset-grid">
+              {assets.map((asset) => {
+                const isActive = asset.id === pickedId
+                const thumb = asset.thumbnail_url || asset.file_url
+                const isVideo = asset.mime_type?.includes("video")
+                return (
+                  <div
+                    key={asset.id}
+                    className={`aa-asset-card${isActive ? " selected" : ""}`}
+                    onClick={() => setPickedId(asset.id)}
+                  >
+                    {isVideo && !asset.thumbnail_url ? (
+                      <video src={asset.file_url} muted preload="metadata" />
+                    ) : (
+                      <img src={thumb} alt={asset.name} />
+                    )}
+                    {isActive && <div className="aa-asset-card__check">✓</div>}
+                    <div className="aa-asset-card__name">{asset.name}</div>
+                  </div>
+                )
+              })}
+            </div>
+          )}
+        </div>
+
+        {/* 底部：取消 + 确认选择 */}
+        <div className="aa-modal__footer">
+          <button type="button" className="aa-btn aa-btn--ghost" onClick={onClose}>
+            取消
+          </button>
+          <button
+            type="button"
+            className="aa-btn aa-btn--primary"
+            onClick={handleConfirm}
+            disabled={!pickedId}
+          >
+            确认选择
+          </button>
+        </div>
+      </div>
+    </div>
+  )
+}
diff --git a/apps/web/src/pages/ai-avatar/components/ModalBRollEditor.tsx b/apps/web/src/pages/ai-avatar/components/ModalBRollEditor.tsx
new file mode 100644
index 000000000..eba481d13
--- /dev/null
+++ b/apps/web/src/pages/ai-avatar/components/ModalBRollEditor.tsx
@@ -0,0 +1,345 @@
+/**
+ * AI数字人 — B-roll 画面插入编辑器弹窗
+ *
+ * 布局：
+ * - 左侧：可用素材网格（已被其他 segment 使用的素材标灰 + "已选择" 遮罩，
+ *   pointer-events: none 防止重复选择同一段素材）
+ * - 右侧：插入设置（文案段落索引 / 全屏 or 画中画 / 画中画四角位置 + 大小 / 起止时间）
+ * - 底部：已配置的画面插入列表（可删除）+ 上传新素材入口
+ */
+import React, { useMemo, useState } from "react"
+import type { AssetItem } from "@/api/assets"
+import type { BRollSegment, BRollInsertMode, PipPosition } from "../types"
+
+interface ModalBRollEditorProps {
+  open: boolean
+  onClose: () => void
+  /** 当前已有的 B-roll segments（用于标灰已选素材） */
+  existingSegments: BRollSegment[]
+  /** 所有可用素材 */
+  availableAssets: AssetItem[]
+  onConfirm: (segment: BRollSegment) => void
+  onRemove: (id: string) => void
+}
+
+const PIP_POSITION_OPTIONS: { value: PipPosition; label: string }[] = [
+  { value: "top-left", label: "左上" },
+  { value: "top-right", label: "右上" },
+  { value: "bottom-left", label: "左下" },
+  { value: "bottom-right", label: "右下" },
+]
+
+const MODE_LABEL: Record<BRollInsertMode, string> = {
+  fullscreen: "全屏切换",
+  pip: "画中画",
+}
+
+const ModalBRollEditor: React.FC<ModalBRollEditorProps> = ({
+  open,
+  onClose,
+  existingSegments,
+  availableAssets,
+  onConfirm,
+  onRemove,
+}) => {
+  /* ── 右侧设置本地状态 ── */
+  const [selectedAsset, setSelectedAsset] = useState<AssetItem | null>(null)
+  const [scriptSegmentIndex, setScriptSegmentIndex] = useState(0)
+  const [mode, setMode] = useState<BRollInsertMode>("fullscreen")
+  const [pipPosition, setPipPosition] = useState<PipPosition>("top-right")
+  const [pipScale, setPipScale] = useState(0.3)
+  const [startTime, setStartTime] = useState(0)
+  const [endTime, setEndTime] = useState(3)
+
+  /** 已被现有 segments 占用的素材 id 集合（标灰、禁止重复选择） */
+  const usedAssetIds = useMemo(
+    () => new Set(existingSegments.map((seg) => seg.asset.id)),
+    [existingSegments],
+  )
+
+  if (!open) return null
+
+  /** 选择素材（已选素材因 pointer-events:none 不会触发） */
+  const handleSelectAsset = (asset: AssetItem) => {
+    if (usedAssetIds.has(asset.id)) return
+    setSelectedAsset(asset)
+    // 默认起止时间：素材时长的前 3 秒（或整段）
+    const dur = asset.duration ?? 3
+    setEndTime(Math.min(3, dur))
+  }
+
+  /** 确认添加一段 B-roll */
+  const handleConfirm = () => {
+    if (!selectedAsset) return
+    if (endTime <= startTime) return
+    const segment: BRollSegment = {
+      id: crypto.randomUUID(),
+      asset: selectedAsset,
+      script_segment_index: scriptSegmentIndex,
+      start_time: startTime,
+      end_time: endTime,
+      mode,
+      pip_position: pipPosition,
+      pip_scale: mode === "pip" ? pipScale : 0.3,
+    }
+    onConfirm(segment)
+    // 重置选择，保留设置便于连续添加
+    setSelectedAsset(null)
+  }
+
+  const canConfirm = selectedAsset !== null && endTime > startTime
+
+  return (
+    <div className="aa-modal-overlay" onClick={onClose}>
+      <div className="aa-modal" onClick={(e) => e.stopPropagation()}>
+        {/* 头部 */}
+        <div className="aa-modal__header">
+          <span className="aa-modal__title">🎞️ 画面插入（B-roll）</span>
+          <button type="button" className="aa-modal__close" onClick={onClose}>
+            ✕
+          </button>
+        </div>
+
+        {/* 主体：左素材 + 右设置 */}
+        <div className="aa-modal__body">
+          <div className="aa-broll-modal-body">
+            {/* 左侧：素材网格 */}
+            <div className="aa-broll-left">
+              <div
+                style={{
+                  display: "flex",
+                  alignItems: "center",
+                  justifyContent: "space-between",
+                  marginBottom: 10,
+                }}
+              >
+                <span style={{ fontSize: 13, fontWeight: 600, color: "#1a1a2e" }}>
+                  选择素材（{availableAssets.length}）
+                </span>
+                <button type="button" className="aa-btn aa-btn--ghost aa-btn-sm">
+                  ⬆️ 上传新素材
+                </button>
+              </div>
+              <div className="aa-broll-asset-grid">
+                {availableAssets.map((asset) => {
+                  const alreadySelected = usedAssetIds.has(asset.id)
+                  const isCurrent = selectedAsset?.id === asset.id
+                  const classNames = [
+                    "aa-broll-asset-thumb",
+                    isCurrent ? "selected" : "",
+                    alreadySelected ? "already-selected" : "",
+                  ]
+                    .filter(Boolean)
+                    .join(" ")
+                  return (
+                    <div
+                      key={asset.id}
+                      className={classNames}
+                      onClick={() => handleSelectAsset(asset)}
+                      title={asset.name}
+                    >
+                      {asset.thumbnail_url ? (
+                        <img src={asset.thumbnail_url} alt={asset.name} />
+                      ) : (
+                        <div
+                          style={{
+                            width: "100%",
+                            height: "100%",
+                            display: "flex",
+                            alignItems: "center",
+                            justifyContent: "center",
+                            fontSize: 18,
+                          }}
+                        >
+                          🎬
+                        </div>
+                      )}
+                      <span className="aa-asset-card__name">{asset.name}</span>
+                    </div>
+                  )
+                })}
+                {availableAssets.length === 0 && (
+                  <div className="aa-empty" style={{ gridColumn: "1 / -1" }}>
+                    <div className="aa-empty__icon">🎬</div>
+                    暂无可用素材，请先上传视频素材
+                  </div>
+                )}
+              </div>
+            </div>
+
+            {/* 右侧：插入设置 */}
+            <div className="aa-broll-right">
+              <div className="aa-broll-settings">
+                {/* 文案段落索引 */}
+                <div className="aa-form-field">
+                  <label className="aa-label">文案段落索引</label>
+                  <input
+                    className="aa-input"
+                    type="number"
+                    min={0}
+                    value={scriptSegmentIndex}
+                    onChange={(e) => setScriptSegmentIndex(Math.max(0, Number(e.target.value)))}
+                  />
+                </div>
+
+                {/* 插入模式 */}
+                <div className="aa-form-field">
+                  <label className="aa-label">插入模式</label>
+                  <div className="aa-broll-mode-toggle">
+                    <button
+                      type="button"
+                      className={`aa-broll-mode-btn${mode === "fullscreen" ? " active" : ""}`}
+                      onClick={() => setMode("fullscreen")}
+                    >
+                      全屏切换
+                    </button>
+                    <button
+                      type="button"
+                      className={`aa-broll-mode-btn${mode === "pip" ? " active" : ""}`}
+                      onClick={() => setMode("pip")}
+                    >
+                      画中画
+                    </button>
+                  </div>
+                </div>
+
+                {/* 画中画：四角位置 + 大小 */}
+                {mode === "pip" && (
+                  <>
+                    <div className="aa-form-field">
+                      <label className="aa-label">画中画位置</label>
+                      <div className="aa-pip-positions">
+                        {PIP_POSITION_OPTIONS.map((opt) => (
+                          <button
+                            key={opt.value}
+                            type="button"
+                            className={`aa-pip-pos-btn${
+                              pipPosition === opt.value ? " active" : ""
+                            }`}
+                            onClick={() => setPipPosition(opt.value)}
+                          >
+                            {opt.label}
+                          </button>
+                        ))}
+                      </div>
+                    </div>
+                    <div className="aa-form-field">
+                      <div
+                        className="aa-field-label-row"
+                        style={{ display: "flex", justifyContent: "space-between" }}
+                      >
+                        <label className="aa-label">画中画大小</label>
+                        <span style={{ fontSize: 12, color: "#8c8ca1" }}>
+                          {Math.round(pipScale * 100)}%
+                        </span>
+                      </div>
+                      <input
+                        type="range"
+                        min={0.1}
+                        max={0.6}
+                        step={0.05}
+                        value={pipScale}
+                        onChange={(e) => setPipScale(Number(e.target.value))}
+                        style={{ width: "100%" }}
+                      />
+                    </div>
+                  </>
+                )}
+
+                {/* 起止时间 */}
+                <div className="aa-form-field">
+                  <label className="aa-label">开始时间（秒）</label>
+                  <input
+                    className="aa-input"
+                    type="number"
+                    min={0}
+                    step={0.1}
+                    value={startTime}
+                    onChange={(e) => setStartTime(Math.max(0, Number(e.target.value)))}
+                  />
+                </div>
+                <div className="aa-form-field">
+                  <label className="aa-label">结束时间（秒）</label>
+                  <input
+                    className="aa-input"
+                    type="number"
+                    min={0}
+                    step={0.1}
+                    value={endTime}
+                    onChange={(e) => setEndTime(Math.max(0, Number(e.target.value)))}
+                  />
+                </div>
+
+                {/* 当前选中素材提示 */}
+                <div
+                  style={{
+                    fontSize: 12,
+                    color: selectedAsset ? "#059669" : "#8c8ca1",
+                    background: "#f8f8fc",
+                    borderRadius: 6,
+                    padding: "6px 8px",
+                  }}
+                >
+                  {selectedAsset ? `已选素材：${selectedAsset.name}` : "请从左侧选择一段素材"}
+                </div>
+              </div>
+            </div>
+          </div>
+
+          {/* 底部：已配置的画面插入列表 */}
+          <div className="aa-broll-list">
+            <div className="aa-broll-list__title">已配置画面插入（{existingSegments.length}）</div>
+            {existingSegments.length === 0 ? (
+              <div className="aa-empty" style={{ padding: 12 }}>
+                尚未配置画面插入
+              </div>
+            ) : (
+              existingSegments.map((seg) => (
+                <div key={seg.id} className="aa-broll-item">
+                  {seg.asset.thumbnail_url ? (
+                    <img className="aa-broll-item__thumb" src={seg.asset.thumbnail_url} alt="" />
+                  ) : (
+                    <div className="aa-broll-item__thumb" />
+                  )}
+                  <div className="aa-broll-item__info">
+                    <div style={{ fontWeight: 500, color: "#1a1a2e" }}>{seg.asset.name}</div>
+                    <div style={{ color: "#8c8ca1", fontSize: 11 }}>
+                      段落 {seg.script_segment_index} · {MODE_LABEL[seg.mode]}
+                      {seg.mode === "pip" ? ` · ${seg.pip_position}` : ""} ·{" "}
+                      {seg.start_time.toFixed(1)}s - {seg.end_time.toFixed(1)}s
+                    </div>
+                  </div>
+                  <button
+                    type="button"
+                    className="aa-broll-item__remove"
+                    title="删除"
+                    onClick={() => onRemove(seg.id)}
+                  >
+                    🗑
+                  </button>
+                </div>
+              ))
+            )}
+          </div>
+        </div>
+
+        {/* 底部按钮 */}
+        <div className="aa-modal__footer">
+          <button type="button" className="aa-btn" onClick={onClose}>
+            关闭
+          </button>
+          <button
+            type="button"
+            className="aa-btn aa-btn--primary"
+            disabled={!canConfirm}
+            onClick={handleConfirm}
+          >
+            ✅ 添加画面插入
+          </button>
+        </div>
+      </div>
+    </div>
+  )
+}
+
+export default ModalBRollEditor
diff --git a/apps/web/src/pages/ai-avatar/components/PanelCoverAndGenerate.tsx b/apps/web/src/pages/ai-avatar/components/PanelCoverAndGenerate.tsx
new file mode 100644
index 000000000..e5c7d00ea
--- /dev/null
+++ b/apps/web/src/pages/ai-avatar/components/PanelCoverAndGenerate.tsx
@@ -0,0 +1,210 @@
+/**
+ * AI数字人 — 面板5：封面 & 生成
+ * - 竖屏 9:16 封面预览（从视频截取 / 自定义上传）
+ * - 分辨率选择（720p / 1080p / 4K）
+ * - 配置汇总卡片（出镜视频/音色/文案/对口型/B-roll/标题/封面）
+ * - 渐变紫色生成按钮
+ *
+ * 注意：v3 已删除"画面插入模式"，本面板不包含该选项。
+ */
+import React, { useRef } from "react"
+import type { AiAvatarCoverConfig } from "../types"
+
+interface PanelCoverAndGenerateProps {
+  coverConfig: AiAvatarCoverConfig
+  onCoverConfigChange: (partial: Partial<AiAvatarCoverConfig>) => void
+  resolution: string
+  onResolutionChange: (r: string) => void
+  isGenerating: boolean
+  onGenerate: () => void
+  /** 配置汇总信息 */
+  summary: {
+    videoName: string | null
+    voiceName: string | null
+    scriptLength: number
+    lipsyncStatus: string | null
+    brollCount: number
+    hasTitle: boolean
+    hasCover: boolean
+  }
+}
+
+const RESOLUTION_OPTIONS = [
+  { value: "720p", label: "720p（高清）" },
+  { value: "1080p", label: "1080p（全高清）" },
+  { value: "4k", label: "4K（超清）" },
+]
+
+const LIPSYNC_STATUS_LABEL: Record<string, { text: string; cls: string }> = {
+  idle: { text: "未开始", cls: "aa-status-badge--idle" },
+  pending: { text: "排队中", cls: "aa-status-badge--pending" },
+  processing: { text: "生成中", cls: "aa-status-badge--processing" },
+  completed: { text: "已完成", cls: "aa-status-badge--completed" },
+  failed: { text: "失败", cls: "aa-status-badge--failed" },
+}
+
+const PanelCoverAndGenerate: React.FC<PanelCoverAndGenerateProps> = ({
+  coverConfig,
+  onCoverConfigChange,
+  resolution,
+  onResolutionChange,
+  isGenerating,
+  onGenerate,
+  summary,
+}) => {
+  const uploadInputRef = useRef<HTMLInputElement>(null)
+
+  /** 自定义上传封面 */
+  const handleUploadClick = () => {
+    uploadInputRef.current?.click()
+  }
+
+  const handleFileChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    const file = e.target.files?.[0]
+    if (!file) return
+    // 本地预览：生成 object URL（实际上传由父级/后端链路处理）
+    const url = URL.createObjectURL(file)
+    onCoverConfigChange({ mode: "upload", upload_url: url, thumbnail_url: url })
+    // 允许重复选择同一文件
+    e.target.value = ""
+  }
+
+  /** 从视频截取（使用配置的帧时间，默认首帧） */
+  const handleCaptureFromVideo = () => {
+    onCoverConfigChange({ mode: "auto_frame" })
+  }
+
+  const lipsync = summary.lipsyncStatus ? LIPSYNC_STATUS_LABEL[summary.lipsyncStatus] : null
+
+  const canGenerate = summary.lipsyncStatus === "completed" && !isGenerating
+
+  return (
+    <div className="aa-cover-generate">
+      {/* 封面预览（竖屏 9:16） */}
+      <div className="aa-cover-preview">
+        {coverConfig.thumbnail_url ? (
+          <img src={coverConfig.thumbnail_url} alt="封面预览" />
+        ) : (
+          <span className="aa-cover-preview__placeholder">暂无封面</span>
+        )}
+      </div>
+
+      <div className="aa-cover-actions">
+        <button
+          type="button"
+          className={`aa-btn aa-btn--ghost${coverConfig.mode === "auto_frame" ? " active" : ""}`}
+          onClick={handleCaptureFromVideo}
+        >
+          🎬 从视频截取
+        </button>
+        <button
+          type="button"
+          className={`aa-btn aa-btn--ghost${coverConfig.mode === "upload" ? " active" : ""}`}
+          onClick={handleUploadClick}
+        >
+          📷 自定义上传
+        </button>
+        <input
+          ref={uploadInputRef}
+          type="file"
+          accept="image/*"
+          style={{ display: "none" }}
+          onChange={handleFileChange}
+        />
+      </div>
+
+      {/* 分辨率选择 */}
+      <div className="aa-form-field">
+        <label className="aa-label">分辨率</label>
+        <select
+          className="aa-select"
+          value={resolution}
+          onChange={(e) => onResolutionChange(e.target.value)}
+        >
+          {RESOLUTION_OPTIONS.map((opt) => (
+            <option key={opt.value} value={opt.value}>
+              {opt.label}
+            </option>
+          ))}
+        </select>
+      </div>
+
+      {/* 配置汇总 */}
+      <div className="aa-generate-section">
+        <div className="aa-config-summary">
+          <div className="aa-config-summary__row">
+            <span>出镜视频</span>
+            {summary.videoName ? (
+              <span className="aa-config-summary__value">{summary.videoName}</span>
+            ) : (
+              <span className="aa-config-summary__empty">未配置</span>
+            )}
+          </div>
+          <div className="aa-config-summary__row">
+            <span>音色</span>
+            {summary.voiceName ? (
+              <span className="aa-config-summary__value">{summary.voiceName}</span>
+            ) : (
+              <span className="aa-config-summary__empty">未配置</span>
+            )}
+          </div>
+          <div className="aa-config-summary__row">
+            <span>文案</span>
+            {summary.scriptLength > 0 ? (
+              <span className="aa-config-summary__value">{summary.scriptLength} 字</span>
+            ) : (
+              <span className="aa-config-summary__empty">未配置</span>
+            )}
+          </div>
+          <div className="aa-config-summary__row">
+            <span>对口型</span>
+            {lipsync ? (
+              <span className={`aa-status-badge ${lipsync.cls}`}>{lipsync.text}</span>
+            ) : (
+              <span className="aa-config-summary__empty">未配置</span>
+            )}
+          </div>
+          <div className="aa-config-summary__row">
+            <span>B-roll 画面插入</span>
+            <span className="aa-config-summary__value">
+              {summary.brollCount > 0 ? `${summary.brollCount} 段` : "无"}
+            </span>
+          </div>
+          <div className="aa-config-summary__row">
+            <span>标题</span>
+            {summary.hasTitle ? (
+              <span className="aa-config-summary__value">已设置</span>
+            ) : (
+              <span className="aa-config-summary__empty">未配置</span>
+            )}
+          </div>
+          <div className="aa-config-summary__row">
+            <span>封面</span>
+            {summary.hasCover ? (
+              <span className="aa-config-summary__value">已开启</span>
+            ) : (
+              <span className="aa-config-summary__empty">未配置</span>
+            )}
+          </div>
+        </div>
+
+        {/* 生成按钮 */}
+        <button
+          type="button"
+          className="aa-btn aa-btn--generate aa-btn--full"
+          disabled={!canGenerate}
+          onClick={onGenerate}
+        >
+          {isGenerating ? "⏳ 生成中..." : "🚀 开始生成视频"}
+        </button>
+        {summary.lipsyncStatus !== "completed" && !isGenerating && (
+          <div style={{ marginTop: 8, fontSize: 11, color: "#8c8ca1", textAlign: "center" }}>
+            请先完成对口型生成
+          </div>
+        )}
+      </div>
+    </div>
+  )
+}
+
+export default PanelCoverAndGenerate
diff --git a/apps/web/src/pages/ai-avatar/components/PanelScriptAndLipsync.tsx b/apps/web/src/pages/ai-avatar/components/PanelScriptAndLipsync.tsx
new file mode 100644
index 000000000..94c4a6b6d
--- /dev/null
+++ b/apps/web/src/pages/ai-avatar/components/PanelScriptAndLipsync.tsx
@@ -0,0 +1,222 @@
+/**
+ * AI数字人 — 文案 & 对口型面板（面板4）
+ * 上半区：文案（文案库选择 / 手动输入）；下半区：对口型视频预览（9:16）+ B-roll 画面
+ */
+import { useState } from "react"
+import type { LipsyncJob, BRollSegment } from "../types"
+
+interface PanelScriptAndLipsyncProps {
+  scriptText: string
+  onScriptTextChange: (text: string) => void
+  onOpenScriptModal: () => void
+  lipsyncJob: LipsyncJob | null
+  onGenerateLipsync: () => void
+  bRollSegments: BRollSegment[]
+  onOpenBRollModal: () => void
+  onRemoveBRoll: (id: string) => void
+}
+
+type ScriptTab = "library" | "manual"
+
+const BROLL_MODE_LABEL: Record<BRollSegment["mode"], string> = {
+  fullscreen: "全屏",
+  pip: "画中画",
+}
+
+function formatTime(seconds: number): string {
+  const m = Math.floor(seconds / 60)
+  const s = Math.round(seconds % 60)
+  return `${m}:${s.toString().padStart(2, "0")}`
+}
+
+export function PanelScriptAndLipsync({
+  scriptText,
+  onScriptTextChange,
+  onOpenScriptModal,
+  lipsyncJob,
+  onGenerateLipsync,
+  bRollSegments,
+  onOpenBRollModal,
+  onRemoveBRoll,
+}: PanelScriptAndLipsyncProps) {
+  const [scriptTab, setScriptTab] = useState<ScriptTab>("library")
+
+  /* 对口型状态判断 */
+  const isGenerating = lipsyncJob?.status === "pending" || lipsyncJob?.status === "processing"
+  const isDone = lipsyncJob?.status === "completed"
+  const isFailed = lipsyncJob?.status === "failed"
+
+  const statusText =
+    lipsyncJob?.status === "processing"
+      ? "对口型生成中…"
+      : lipsyncJob?.status === "pending"
+        ? "排队中…"
+        : "对口型生成中…"
+
+  return (
+    <div className="aa-script-lipsync">
+      {/* ── 上半区：文案 ── */}
+      <div className="aa-script-tabs">
+        <button
+          type="button"
+          className={`aa-script-tab${scriptTab === "library" ? " active" : ""}`}
+          onClick={() => setScriptTab("library")}
+        >
+          从文案库选择
+        </button>
+        <button
+          type="button"
+          className={`aa-script-tab${scriptTab === "manual" ? " active" : ""}`}
+          onClick={() => setScriptTab("manual")}
+        >
+          手动输入
+        </button>
+      </div>
+
+      {scriptTab === "library" && (
+        <button
+          type="button"
+          className="aa-btn aa-btn--ghost aa-btn--full"
+          style={{ marginBottom: 8 }}
+          onClick={onOpenScriptModal}
+        >
+          📚 从文案库选择文案
+        </button>
+      )}
+
+      <textarea
+        className="aa-textarea"
+        value={scriptText}
+        readOnly={scriptTab === "library"}
+        placeholder={
+          scriptTab === "library" ? "点击上方按钮，从文案库选择文案…" : "请输入数字人口播文案…"
+        }
+        onChange={(e) => onScriptTextChange(e.target.value)}
+      />
+      <div className="aa-char-count">{scriptText.length} 字</div>
+
+      {/* ── B-roll 画面 ── */}
+      <div className="aa-lipsync-section">
+        <div className="aa-lipsync-section__title">
+          <span style={{ marginRight: 8 }}>🎞️ 插入画面</span>
+          {bRollSegments.length > 0 && (
+            <span className="aa-broll-badge">🎬 {bRollSegments.length} 个画面</span>
+          )}
+        </div>
+        <div className="aa-lipsync-actions">
+          <button
+            type="button"
+            className="aa-btn aa-btn--primary aa-btn--full"
+            onClick={onOpenBRollModal}
+          >
+            🎬 插入画面
+          </button>
+        </div>
+
+        {bRollSegments.length > 0 && (
+          <div className="aa-broll-list">
+            {bRollSegments.map((seg) => (
+              <div key={seg.id} className="aa-broll-item">
+                {seg.asset.thumbnail_url || seg.asset.file_url ? (
+                  <img
+                    className="aa-broll-item__thumb"
+                    src={seg.asset.thumbnail_url || seg.asset.file_url}
+                    alt={seg.asset.name}
+                  />
+                ) : (
+                  <span className="aa-broll-item__thumb" style={{ padding: "6px 4px" }}>
+                    🎬
+                  </span>
+                )}
+                <div className="aa-broll-item__info">
+                  <div
+                    style={{
+                      overflow: "hidden",
+                      textOverflow: "ellipsis",
+                      whiteSpace: "nowrap",
+                    }}
+                  >
+                    {seg.asset.name}
+                  </div>
+                  <div style={{ fontSize: 11, color: "#8c8ca1", marginTop: 2 }}>
+                    {BROLL_MODE_LABEL[seg.mode]} · {formatTime(seg.start_time)}-
+                    {formatTime(seg.end_time)}
+                  </div>
+                </div>
+                <button
+                  type="button"
+                  className="aa-broll-item__remove"
+                  title="删除"
+                  onClick={() => onRemoveBRoll(seg.id)}
+                >
+                  ✕
+                </button>
+              </div>
+            ))}
+          </div>
+        )}
+      </div>
+
+      {/* ── 下半区：对口型预览（竖屏 9:16） ── */}
+      <div className="aa-lipsync-section">
+        <div className="aa-lipsync-section__title">对口型预览</div>
+
+        <div className="aa-lipsync-preview">
+          {isDone && lipsyncJob?.output_video_url ? (
+            <video src={lipsyncJob.output_video_url} controls />
+          ) : isGenerating ? (
+            <div style={{ width: "80%", textAlign: "center", color: "#fff" }}>
+              <div style={{ fontSize: 13, marginBottom: 8 }}>
+                {statusText} {Math.round(lipsyncJob?.progress ?? 0)}%
+              </div>
+              <div className="aa-progress">
+                <div
+                  className="aa-progress__bar"
+                  style={{ width: `${lipsyncJob?.progress ?? 0}%` }}
+                />
+              </div>
+            </div>
+          ) : (
+            <div className="aa-video-preview__placeholder">
+              {isFailed ? (
+                <>
+                  <div style={{ fontSize: 28, marginBottom: 8 }}>❌</div>
+                  <div>对口型生成失败</div>
+                  {lipsyncJob?.error_message && (
+                    <div style={{ fontSize: 11, marginTop: 4, color: "#fca5a5" }}>
+                      {lipsyncJob.error_message}
+                    </div>
+                  )}
+                </>
+              ) : (
+                "生成对口型视频后在此预览"
+              )}
+            </div>
+          )}
+        </div>
+
+        <div className="aa-lipsync-actions">
+          {isDone ? (
+            <button type="button" className="aa-btn aa-btn--full" onClick={onGenerateLipsync}>
+              🔄 重新生成对口型
+            </button>
+          ) : isGenerating ? (
+            <button type="button" className="aa-btn aa-btn--full" disabled>
+              对口型生成中…
+            </button>
+          ) : (
+            <button
+              type="button"
+              className="aa-btn aa-btn--primary aa-btn--full"
+              onClick={onGenerateLipsync}
+            >
+              🎬 生成对口型视频
+            </button>
+          )}
+        </div>
+      </div>
+    </div>
+  )
+}
+
+export default PanelScriptAndLipsync
diff --git a/apps/web/src/pages/ai-avatar/components/PanelTitleConfig.tsx b/apps/web/src/pages/ai-avatar/components/PanelTitleConfig.tsx
new file mode 100644
index 000000000..4b00e315d
--- /dev/null
+++ b/apps/web/src/pages/ai-avatar/components/PanelTitleConfig.tsx
@@ -0,0 +1,130 @@
+/**
+ * AI数字人 — 面板4：标题配置
+ *
+ * 关键：直接复用智能剪辑（generate）模块的 TitleStylePanel 标题样式面板，
+ * 不重新开发标题预设/字体/位置等样式能力。本组件只负责：
+ * - 主标题文字输入
+ * - AiAvatarTitleConfig ↔ TitleSettings 的双向适配
+ * - 自动生成字幕开关
+ */
+import React, { useMemo, useState } from "react"
+import TitleStylePanel from "@/pages/generate/components/title/TitleStylePanel"
+import type { TitleSettings } from "@/pages/generate/types"
+import {
+  POSITION_OPTIONS,
+  FONT_OPTIONS,
+  TITLE_PRESETS,
+  getFontFamily,
+} from "@/pages/generate/constants"
+import type { AiAvatarTitleConfig } from "../types"
+
+interface PanelTitleConfigProps {
+  titleConfig: AiAvatarTitleConfig
+  onUpdate: (partial: Partial<AiAvatarTitleConfig>) => void
+}
+
+const PanelTitleConfig: React.FC<PanelTitleConfigProps> = ({ titleConfig, onUpdate }) => {
+  /** TitleStylePanel 内部高亮的预设 key（面板本地状态） */
+  const [activePreset, setActivePreset] = useState<string | null>(null)
+
+  /** AiAvatarTitleConfig → TitleSettings（补齐 aiAutoSelect / 自由坐标字段） */
+  const titleSettings: TitleSettings = useMemo(
+    () => ({
+      aiAutoSelect: false,
+      title: titleConfig.title,
+      position: titleConfig.position,
+      font: titleConfig.font,
+      size: titleConfig.size,
+      bold: titleConfig.bold,
+      italic: titleConfig.italic,
+      stroke: titleConfig.stroke,
+      shadow: titleConfig.shadow,
+      color: titleConfig.color,
+      posX: null,
+      posY: null,
+    }),
+    [titleConfig],
+  )
+
+  /** 应用预设：与智能剪辑一致，只覆盖 color/bold/italic/stroke/shadow，不改变字号 */
+  const handleApplyPreset = (presetKey: string) => {
+    const preset = TITLE_PRESETS.find((p) => p.key === presetKey)
+    if (!preset) return
+    setActivePreset(presetKey)
+    onUpdate({
+      color: preset.style.color,
+      bold: preset.style.bold,
+      italic: preset.style.italic,
+      stroke: preset.style.stroke,
+      shadow: preset.style.shadow,
+    })
+  }
+
+  return (
+    <div className="aa-title-config">
+      {/* 主标题输入 */}
+      <div className="aa-form-field">
+        <label className="aa-label">主标题</label>
+        <input
+          className="aa-input aa-title-input"
+          type="text"
+          placeholder="输入视频标题（留空则不显示标题）"
+          value={titleConfig.title}
+          maxLength={30}
+          onChange={(e) => onUpdate({ title: e.target.value })}
+        />
+        {titleConfig.title && (
+          <div
+            style={{
+              fontSize: 13,
+              padding: "6px 8px",
+              background: "#f8f8fc",
+              borderRadius: 6,
+              fontFamily: getFontFamily(titleConfig.font),
+              fontWeight: titleConfig.bold ? 700 : 400,
+              fontStyle: titleConfig.italic ? "italic" : "normal",
+              color: titleConfig.color,
+              textShadow: titleConfig.shadow ? "1px 1px 3px rgba(0,0,0,0.6)" : undefined,
+              overflow: "hidden",
+              textOverflow: "ellipsis",
+              whiteSpace: "nowrap",
+            }}
+          >
+            {titleConfig.title}
+          </div>
+        )}
+      </div>
+
+      {/* 标题样式：直接复用智能剪辑 TitleStylePanel（位置/字体/字号/样式/预设） */}
+      <TitleStylePanel
+        settings={titleSettings}
+        onUpdatePosition={(position) => onUpdate({ position })}
+        onUpdateFont={(font) => onUpdate({ font })}
+        onUpdateSize={(size) => onUpdate({ size: Math.min(128, Math.max(16, size)) })}
+        onToggleBold={() => onUpdate({ bold: !titleConfig.bold })}
+        onToggleItalic={() => onUpdate({ italic: !titleConfig.italic })}
+        onToggleStroke={() => onUpdate({ stroke: !titleConfig.stroke })}
+        onToggleShadow={() => onUpdate({ shadow: !titleConfig.shadow })}
+        onApplyPreset={handleApplyPreset}
+        activePreset={activePreset}
+        titlePresets={TITLE_PRESETS}
+        POSITION_OPTIONS={POSITION_OPTIONS}
+        FONT_OPTIONS={FONT_OPTIONS}
+      />
+
+      {/* 自动生成字幕 */}
+      <div className="aa-subtitle-toggle">
+        <label className="aa-checkbox-row">
+          <input
+            type="checkbox"
+            checked={titleConfig.auto_subtitle}
+            onChange={(e) => onUpdate({ auto_subtitle: e.target.checked })}
+          />
+          自动生成字幕
+        </label>
+      </div>
+    </div>
+  )
+}
+
+export default PanelTitleConfig
diff --git a/apps/web/src/pages/ai-avatar/components/PanelVideoSelector.tsx b/apps/web/src/pages/ai-avatar/components/PanelVideoSelector.tsx
new file mode 100644
index 000000000..76933a0fe
--- /dev/null
+++ b/apps/web/src/pages/ai-avatar/components/PanelVideoSelector.tsx
@@ -0,0 +1,91 @@
+/**
+ * AI数字人 — 出镜视频选择面板
+ * - 未选视频：虚线上传区，点击打开素材库弹窗
+ * - 已选视频：竖屏 9:16 预览播放器 + 视频信息卡片 + 移除按钮
+ */
+import type { AssetItem } from "@/api/assets"
+
+export interface PanelVideoSelectorProps {
+  selectedVideo: AssetItem | null
+  /** 触发打开素材库弹窗 */
+  onSelectVideo: () => void
+  onRemoveVideo: () => void
+}
+
+/** 格式化时长（秒 → mm:ss） */
+function formatDuration(seconds?: number): string {
+  if (typeof seconds !== "number" || !Number.isFinite(seconds) || seconds <= 0) {
+    return "00:00"
+  }
+  return `${Math.floor(seconds / 60)}:${String(Math.floor(seconds % 60)).padStart(2, "0")}`
+}
+
+export function PanelVideoSelector({
+  selectedVideo,
+  onSelectVideo,
+  onRemoveVideo,
+}: PanelVideoSelectorProps) {
+  /* 未选视频：虚线上传区，点击打开素材库弹窗 */
+  if (!selectedVideo) {
+    return (
+      <div
+        className="aa-upload-zone"
+        role="button"
+        tabIndex={0}
+        onClick={onSelectVideo}
+        onKeyDown={(e) => {
+          if (e.key === "Enter" || e.key === " ") {
+            e.preventDefault()
+            onSelectVideo()
+          }
+        }}
+      >
+        <div className="aa-upload-zone__icon">🎬</div>
+        <div className="aa-upload-zone__text">从素材库选择视频</div>
+      </div>
+    )
+  }
+
+  const width = selectedVideo.metadata?.width
+  const height = selectedVideo.metadata?.height
+  const duration = selectedVideo.duration ?? selectedVideo.metadata?.duration
+  const fileUrl = selectedVideo.file_url ?? ""
+
+  return (
+    <div>
+      {/* 竖屏 9:16 视频预览播放器 */}
+      <div className="aa-video-preview">
+        {fileUrl ? (
+          <video src={fileUrl} poster={selectedVideo.thumbnail_url} controls playsInline />
+        ) : (
+          <div className="aa-video-preview__placeholder">视频暂不可预览</div>
+        )}
+      </div>
+
+      {/* 视频信息卡片：文件名 / 时长 / 分辨率 */}
+      <div className="aa-video-info">
+        <div className="aa-video-info__row">
+          <span>文件名</span>
+          <span title={selectedVideo.name}>{selectedVideo.name}</span>
+        </div>
+        <div className="aa-video-info__row">
+          <span>时长</span>
+          <span>{formatDuration(duration)}</span>
+        </div>
+        <div className="aa-video-info__row">
+          <span>分辨率</span>
+          <span>{width && height ? `${width}×${height}` : "—"}</span>
+        </div>
+      </div>
+
+      <button
+        type="button"
+        className="aa-btn aa-btn--danger aa-btn--full"
+        style={{ marginTop: 10 }}
+        onClick={onRemoveVideo}
+      >
+        移除视频
+      </button>
+    </div>
+  )
+}
diff --git a/apps/web/src/pages/ai-avatar/components/PanelVoiceSelector.tsx b/apps/web/src/pages/ai-avatar/components/PanelVoiceSelector.tsx
new file mode 100644
index 000000000..2006548c4
--- /dev/null
+++ b/apps/web/src/pages/ai-avatar/components/PanelVoiceSelector.tsx
@@ -0,0 +1,264 @@
+/**
+ * AI数字人 — 配音库面板（面板3）
+ * 音色来源切换（系统预设 / 我的音色）、音色选择与试听、情绪/语速/语言参数
+ */
+import { useEffect, useRef, useState } from "react"
+import { fetchVoices } from "@/api/voices/voices"
+import type { UnifiedVoiceItem } from "@/api/voices/types"
+import {
+  type VoiceSource,
+  type VoiceEmotion,
+  type VoiceLanguage,
+  VOICE_EMOTION_OPTIONS,
+  VOICE_LANGUAGE_OPTIONS,
+} from "../types"
+
+interface PanelVoiceSelectorProps {
+  voiceSource: VoiceSource
+  onVoiceSourceChange: (source: VoiceSource) => void
+  selectedVoice: UnifiedVoiceItem | null
+  onSelectVoice: (voice: UnifiedVoiceItem) => void
+  emotion: VoiceEmotion
+  onEmotionChange: (e: VoiceEmotion) => void
+  speed: number
+  onSpeedChange: (s: number) => void
+  language: VoiceLanguage
+  onLanguageChange: (l: VoiceLanguage) => void
+}
+
+export function PanelVoiceSelector({
+  voiceSource,
+  onVoiceSourceChange,
+  selectedVoice,
+  onSelectVoice,
+  emotion,
+  onEmotionChange,
+  speed,
+  onSpeedChange,
+  language,
+  onLanguageChange,
+}: PanelVoiceSelectorProps) {
+  const [voices, setVoices] = useState<UnifiedVoiceItem[]>([])
+  const [loading, setLoading] = useState(false)
+  const [error, setError] = useState<string | null>(null)
+  const [previewingId, setPreviewingId] = useState<string | null>(null)
+  const audioRef = useRef<HTMLAudioElement | null>(null)
+
+  /* 切换来源时重新获取音色列表 */
+  useEffect(() => {
+    let cancelled = false
+    const loadVoices = async () => {
+      setLoading(true)
+      setError(null)
+      try {
+        const res = await fetchVoices({ type: voiceSource })
+        if (!cancelled) setVoices(res.items || [])
+      } catch (err) {
+        if (!cancelled) setError(err instanceof Error ? err.message : "音色加载失败")
+      } finally {
+        if (!cancelled) setLoading(false)
+      }
+    }
+    loadVoices()
+    return () => {
+      cancelled = true
+    }
+  }, [voiceSource])
+
+  /* 卸载时停止试听 */
+  useEffect(() => {
+    return () => {
+      if (audioRef.current) {
+        audioRef.current.pause()
+        audioRef.current = null
+      }
+    }
+  }, [])
+
+  const stopPreview = () => {
+    if (audioRef.current) {
+      audioRef.current.pause()
+      audioRef.current = null
+    }
+    setPreviewingId(null)
+  }
+
+  const handlePreview = (voice: UnifiedVoiceItem) => {
+    const url = voice.preview_url || voice.audio_url
+    if (!url) return
+    /* 再次点击当前试听音色 → 停止 */
+    if (previewingId === voice.id) {
+      stopPreview()
+      return
+    }
+    if (audioRef.current) {
+      audioRef.current.pause()
+      audioRef.current = null
+    }
+    const audio = new Audio(url)
+    audioRef.current = audio
+    setPreviewingId(voice.id)
+    audio.onended = () => {
+      if (audioRef.current === audio) {
+        audioRef.current = null
+        setPreviewingId(null)
+      }
+    }
+    audio.onerror = () => {
+      if (audioRef.current === audio) {
+        audioRef.current = null
+        setPreviewingId(null)
+        setError("试听音频加载失败")
+      }
+    }
+    void audio.play().catch(() => {
+      setPreviewingId(null)
+      setError("试听播放失败")
+    })
+  }
+
+  const handleSpeedChange = (value: string) => {
+    const parsed = parseFloat(value)
+    if (Number.isNaN(parsed)) return
+    const clamped = Math.min(2.0, Math.max(0.5, parsed))
+    onSpeedChange(clamped)
+  }
+
+  return (
+    <div className="aa-voice-selector">
+      {/* 音色来源切换 */}
+      <div className="aa-voice-source-toggle">
+        <button
+          type="button"
+          className={`aa-voice-source-btn${voiceSource === "preset" ? " active" : ""}`}
+          onClick={() => onVoiceSourceChange("preset")}
+        >
+          系统预设
+        </button>
+        <button
+          type="button"
+          className={`aa-voice-source-btn${voiceSource === "clone" ? " active" : ""}`}
+          onClick={() => onVoiceSourceChange("clone")}
+        >
+          我的音色
+        </button>
+      </div>
+
+      {/* 音色列表 */}
+      {loading ? (
+        <div className="aa-empty">
+          <div className="aa-empty__icon">⏳</div>
+          <div>音色加载中…</div>
+        </div>
+      ) : error ? (
+        <div className="aa-empty">
+          <div className="aa-empty__icon">⚠️</div>
+          <div>{error}</div>
+        </div>
+      ) : voices.length === 0 ? (
+        <div className="aa-empty">
+          <div className="aa-empty__icon">🎙️</div>
+          <div>{voiceSource === "clone" ? "还没有克隆音色" : "暂无预置音色"}</div>
+        </div>
+      ) : (
+        <div className="aa-voice-list">
+          {voices.map((voice) => {
+            const selected = selectedVoice?.id === voice.id
+            const previewUrl = voice.preview_url || voice.audio_url
+            return (
+              <div
+                key={voice.id}
+                className={`aa-voice-card${selected ? " selected" : ""}`}
+                onClick={() => onSelectVoice(voice)}
+              >
+                <span className="aa-voice-card__radio" />
+                <div className="aa-voice-card__info">
+                  <div className="aa-voice-card__name">{voice.name}</div>
+                  {voice.description && (
+                    <div className="aa-voice-card__desc">{voice.description}</div>
+                  )}
+                </div>
+                <button
+                  type="button"
+                  className="aa-voice-card__preview"
+                  title={previewingId === voice.id ? "停止试听" : "试听"}
+                  disabled={!previewUrl}
+                  onClick={(e) => {
+                    e.stopPropagation()
+                    handlePreview(voice)
+                  }}
+                >
+                  {previewingId === voice.id ? "⏸" : "▶"}
+                </button>
+              </div>
+            )
+          })}
+        </div>
+      )}
+
+      {/* 我的音色：克隆入口 */}
+      {voiceSource === "clone" && (
+        <div className="aa-clone-entry">
+          <a href="/app/voice-clone">+ 克隆新音色</a>
+        </div>
+      )}
+
+      {/* 配音参数 */}
+      <div className="aa-voice-params">
+        <div className="aa-voice-params__row">
+          <div className="aa-voice-params__field">
+            <label className="aa-label" htmlFor="aa-voice-emotion">
+              情绪
+            </label>
+            <select
+              id="aa-voice-emotion"
+              className="aa-select"
+              value={emotion}
+              onChange={(e) => onEmotionChange(e.target.value as VoiceEmotion)}
+            >
+              {VOICE_EMOTION_OPTIONS.map((opt) => (
+                <option key={opt.value} value={opt.value}>
+                  {opt.label}
+                </option>
+              ))}
+            </select>
+          </div>
+          <div className="aa-voice-params__field">
+            <label className="aa-label" htmlFor="aa-voice-language">
+              语言
+            </label>
+            <select
+              id="aa-voice-language"
+              className="aa-select"
+              value={language}
+              onChange={(e) => onLanguageChange(e.target.value as VoiceLanguage)}
+            >
+              {VOICE_LANGUAGE_OPTIONS.map((opt) => (
+                <option key={opt.value} value={opt.value}>
+                  {opt.label}
+                </option>
+              ))}
+            </select>
+          </div>
+        </div>
+        <div className="aa-voice-params__field">
+          <label className="aa-label" htmlFor="aa-voice-speed">
+            语速（{speed.toFixed(1)}x）
+          </label>
+          <input
+            id="aa-voice-speed"
+            type="number"
+            className="aa-input"
+            min={0.5}
+            max={2.0}
+            step={0.1}
+            value={speed}
+            onChange={(e) => handleSpeedChange(e.target.value)}
+          />
+        </div>
+      </div>
+    </div>
+  )
+}
+
+export default PanelVoiceSelector
diff --git a/apps/web/src/pages/ai-avatar/components/ScriptLipsyncPanel.tsx b/apps/web/src/pages/ai-avatar/components/ScriptLipsyncPanel.tsx
deleted file mode 100644
index 41fd0c625..000000000
--- a/apps/web/src/pages/ai-avatar/components/ScriptLipsyncPanel.tsx
+++ /dev/null
@@ -1,189 +0,0 @@
-import { useState, useCallback } from "react"
-import type { Script, LipsyncJob } from "../types/aiAvatar"
-
-interface ScriptLipsyncPanelProps {
-  selectedScript: Script | null
-  setSelectedScript: (s: Script | null) => void
-  scriptContent: string
-  setScriptContent: (content: string) => void
-  lipsyncJob: LipsyncJob | null
-  setLipsyncJob: (job: LipsyncJob | null) => void
-  onOpenScriptModal: () => void
-  onOpenBRollModal: () => void
-  collapsed: boolean
-  onToggleCollapse: () => void
-}
-
-type ScriptTab = "library" | "manual"
-
-/** 对口型状态标签 */
-const LIPSYNC_STATUS_LABEL: Record<string, string> = {
-  pending: "等待中",
-  processing: "处理中",
-  completed: "已完成",
-  failed: "失败",
-}
-
-const LIPSYNC_STATUS_CLASS: Record<string, string> = {
-  pending: "processing",
-  processing: "processing",
-  completed: "completed",
-  failed: "failed",
-}
-
-const ScriptLipsyncPanel: React.FC<ScriptLipsyncPanelProps> = ({
-  selectedScript,
-  setSelectedScript,
-  scriptContent,
-  setScriptContent,
-  lipsyncJob,
-  setLipsyncJob,
-  onOpenScriptModal,
-  onOpenBRollModal,
-  collapsed,
-  onToggleCollapse,
-}) => {
-  const [activeTab, setActiveTab] = useState<ScriptTab>("manual")
-
-  const handleTabChange = useCallback(
-    (tab: ScriptTab) => {
-      setActiveTab(tab)
-      if (tab === "library") {
-        onOpenScriptModal()
-      }
-    },
-    [onOpenScriptModal],
-  )
-
-  const handleScriptChange = useCallback(
-    (e: React.ChangeEvent<HTMLTextAreaElement>) => {
-      setScriptContent(e.target.value)
-      // 清除已选脚本（用户手动输入时）
-      if (selectedScript) {
-        setSelectedScript(null)
-      }
-    },
-    [setScriptContent, selectedScript, setSelectedScript],
-  )
-
-  const handleRegenerateLipsync = useCallback(() => {
-    // TODO: 调用实际的对口型 API
-    if (!scriptContent) {
-      alert("请先输入文案内容")
-      return
-    }
-    // 模拟创建对口型任务
-    const newJob: LipsyncJob = {
-      id: `lipsync-${Date.now()}`,
-      status: "pending",
-      video_url: "",
-      audio_url: "",
-      output_video_url: "",
-      output_duration: 0,
-      error_message: "",
-      submitted_at: new Date().toISOString(),
-    }
-    setLipsyncJob(newJob)
-
-    // 模拟处理流程
-    setTimeout(() => {
-      setLipsyncJob({ ...newJob, status: "processing" })
-    }, 1000)
-
-    setTimeout(() => {
-      setLipsyncJob({
-        ...newJob,
-        status: "completed",
-        output_video_url: "",
-        output_duration: 30,
-        completed_at: new Date().toISOString(),
-      })
-    }, 5000)
-  }, [scriptContent, setLipsyncJob])
-
-  return (
-    <div className={`ai-avatar-panel panel-script-lipsync ${collapsed ? "collapsed" : ""}`}>
-      <div className="ai-avatar-panel-header" onClick={onToggleCollapse}>
-        <h3>文案 & 对口型</h3>
-        <button className="collapse-btn">◀</button>
-      </div>
-      <div className="ai-avatar-panel-body">
-        {/* 上半区：文案编辑 */}
-        <div className="ai-avatar-script-tabs">
-          <button
-            className={activeTab === "library" ? "active" : ""}
-            onClick={() => handleTabChange("library")}
-          >
-            从文案库选择
-          </button>
-          <button
-            className={activeTab === "manual" ? "active" : ""}
-            onClick={() => handleTabChange("manual")}
-          >
-            手动输入
-          </button>
-        </div>
-
-        {selectedScript && activeTab === "library" && (
-          <div style={{ marginBottom: 8, fontSize: 13, color: "#999" }}>
-            已选择：{selectedScript.title}
-          </div>
-        )}
-
-        <textarea
-          className="ai-avatar-script-editor"
-          placeholder="请输入视频文案内容..."
-          value={scriptContent}
-          onChange={handleScriptChange}
-          disabled={activeTab === "library"}
-        />
-        <div className="ai-avatar-script-word-count">{scriptContent.length} 字</div>
-
-        {/* 下半区：对口型预览 */}
-        <div className="ai-avatar-lipsync-section">
-          <h4>对口型预览</h4>
-
-          {/* 视频预览区域 */}
-          {lipsyncJob?.output_video_url && (
-            <div className="ai-avatar-media-preview">
-              <video src={lipsyncJob.output_video_url} controls />
-            </div>
-          )}
-
-          {/* 状态标签 */}
-          {lipsyncJob && (
-            <div
-              style={{
-                display: "flex",
-                alignItems: "center",
-                justifyContent: "space-between",
-                marginTop: 8,
-              }}
-            >
-              <span
-                className={`ai-avatar-status-badge ${LIPSYNC_STATUS_CLASS[lipsyncJob.status] || ""}`}
-              >
-                {LIPSYNC_STATUS_LABEL[lipsyncJob.status] || lipsyncJob.status}
-              </span>
-              {lipsyncJob.error_message && (
-                <span style={{ fontSize: 12, color: "#ef4444" }}>{lipsyncJob.error_message}</span>
-              )}
-            </div>
-          )}
-
-          {/* 操作按钮 */}
-          <div className="ai-avatar-lipsync-actions">
-            <button className="aa-btn aa-btn-sm" onClick={onOpenBRollModal}>
-              🎬 插入画面
-            </button>
-            <button className="aa-btn aa-btn-sm aa-btn-primary" onClick={handleRegenerateLipsync}>
-              重新生成对口型
-            </button>
-          </div>
-        </div>
-      </div>
-    </div>
-  )
-}
-
-export default ScriptLipsyncPanel
diff --git a/apps/web/src/pages/ai-avatar/components/ScriptSelectModal.tsx b/apps/web/src/pages/ai-avatar/components/ScriptSelectModal.tsx
deleted file mode 100644
index 1df6c4f43..000000000
--- a/apps/web/src/pages/ai-avatar/components/ScriptSelectModal.tsx
+++ /dev/null
@@ -1,122 +0,0 @@
-/**
- * 文案选择弹窗
- * 搜索 + 文案列表 + 选择回调
- */
-import React, { useCallback, useEffect, useState } from "react"
-import type { Script } from "../types/aiAvatar"
-import { getScripts } from "../api/aiAvatar"
-
-interface ScriptSelectModalProps {
-  open: boolean
-  onClose: () => void
-  onSelect: (script: Script) => void
-}
-
-const ScriptSelectModal: React.FC<ScriptSelectModalProps> = ({ open, onClose, onSelect }) => {
-  const [searchText, setSearchText] = useState("")
-  const [scripts, setScripts] = useState<Script[]>([])
-  const [loading, setLoading] = useState(false)
-  const [selectedId, setSelectedId] = useState<string | null>(null)
-
-  /* 加载文案列表 */
-  const fetchScripts = useCallback(async () => {
-    setLoading(true)
-    try {
-      const result = await getScripts({ search: searchText || undefined })
-      setScripts(result.items)
-    } catch {
-      setScripts([])
-    } finally {
-      setLoading(false)
-    }
-  }, [searchText])
-
-  useEffect(() => {
-    if (open) {
-      setSearchText("")
-      setSelectedId(null)
-      fetchScripts()
-    }
-  }, [open, fetchScripts])
-
-  /* 搜索防抖 */
-  useEffect(() => {
-    if (!open) return
-    const timer = setTimeout(() => {
-      fetchScripts()
-    }, 300)
-    return () => clearTimeout(timer)
-  }, [searchText, open, fetchScripts])
-
-  const handleSelect = useCallback(
-    (script: Script) => {
-      setSelectedId(script.id)
-      onSelect(script)
-      onClose()
-    },
-    [onSelect, onClose],
-  )
-
-  /* 格式化时间 */
-  const formatDate = (dateStr: string): string => {
-    const date = new Date(dateStr)
-    return `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, "0")}-${String(date.getDate()).padStart(2, "0")}`
-  }
-
-  if (!open) return null
-
-  return (
-    <div className="ai-avatar-modal-overlay" onClick={onClose}>
-      <div className="ai-avatar-modal" onClick={(e) => e.stopPropagation()}>
-        <div className="ai-avatar-modal-header">
-          <h3>选择文案</h3>
-          <button className="aa-btn aa-btn-sm" onClick={onClose}>
-            ✕
-          </button>
-        </div>
-
-        <div className="ai-avatar-modal-body">
-          {/* 搜索栏 + 新建文案 */}
-          <div className="ai-avatar-script-search">
-            <input
-              type="text"
-              placeholder="搜索文案标题..."
-              value={searchText}
-              onChange={(e) => setSearchText(e.target.value)}
-            />
-            <button className="aa-btn aa-btn-primary">新建文案</button>
-          </div>
-
-          {/* 文案列表 */}
-          {loading ? (
-            <div style={{ textAlign: "center", padding: 32, color: "#999", fontSize: 13 }}>
-              加载中...
-            </div>
-          ) : scripts.length === 0 ? (
-            <div style={{ textAlign: "center", padding: 32, color: "#999", fontSize: 13 }}>
-              暂无文案
-            </div>
-          ) : (
-            scripts.map((script) => (
-              <div
-                key={script.id}
-                className={`ai-avatar-script-item ${selectedId === script.id ? "selected" : ""}`}
-                onClick={() => handleSelect(script)}
-              >
-                <div className="ai-avatar-script-item-info">
-                  <h4>{script.title}</h4>
-                  <span>
-                    {script.content.length}字 · {formatDate(script.created_at)}
-                  </span>
-                </div>
-                <button className="aa-btn aa-btn-sm aa-btn-primary">选择</button>
-              </div>
-            ))
-          )}
-        </div>
-      </div>
-    </div>
-  )
-}
-
-export default ScriptSelectModal
diff --git a/apps/web/src/pages/ai-avatar/components/TitleConfigPanel.tsx b/apps/web/src/pages/ai-avatar/components/TitleConfigPanel.tsx
deleted file mode 100644
index 0b3b12eb7..000000000
--- a/apps/web/src/pages/ai-avatar/components/TitleConfigPanel.tsx
+++ /dev/null
@@ -1,250 +0,0 @@
-/**
- * 面板4：标题配置
- * 主标题输入 + 复用 TitleStylePanel + 字幕设置
- */
-import React, { useCallback, useMemo, useState } from "react"
-import type { AiAvatarTitleConfig } from "../types/aiAvatar"
-import type { TitleSettings, TitlePreset } from "@/pages/generate/types"
-import TitleStylePanel from "@/pages/generate/components/title/TitleStylePanel"
-
-interface TitleConfigPanelProps {
-  titleConfig: AiAvatarTitleConfig
-  setTitleConfig: (c: AiAvatarTitleConfig) => void
-  collapsed: boolean
-  onToggleCollapse: () => void
-}
-
-/* ── 位置选项 ── */
-const POSITION_OPTIONS = [
-  { value: "top", label: "顶部" },
-  { value: "center", label: "居中" },
-  { value: "bottom", label: "底部" },
-  { value: "top-left", label: "左上" },
-  { value: "top-right", label: "右上" },
-  { value: "bottom-left", label: "左下" },
-  { value: "bottom-right", label: "右下" },
-  { value: "custom", label: "自由位置" },
-]
-
-/* ── 字体选项 ── */
-const FONT_OPTIONS = [
-  "思源黑体",
-  "思源宋体",
-  "阿里巴巴普惠体",
-  "站酷高端黑",
-  "站酷快乐体",
-  "方正兰亭黑",
-  "方正楷体",
-  "汉仪旗黑",
-]
-
-/* ── 标题预设 ── */
-const titlePresets: TitlePreset[] = [
-  {
-    key: "default",
-    label: "默认",
-    style: { size: 36, color: "#ffffff", bold: false, italic: false, stroke: false, shadow: false },
-    previewStyle: { fontSize: 16, color: "#ffffff", fontWeight: 400 },
-  },
-  {
-    key: "bold-white",
-    label: "粗体白",
-    style: { size: 48, color: "#ffffff", bold: true, italic: false, stroke: false, shadow: true },
-    previewStyle: { fontSize: 18, color: "#ffffff", fontWeight: 700 },
-  },
-  {
-    key: "highlight-yellow",
-    label: "高亮黄",
-    style: { size: 44, color: "#FFD700", bold: true, italic: false, stroke: true, shadow: false },
-    previewStyle: { fontSize: 17, color: "#FFD700", fontWeight: 700 },
-  },
-  {
-    key: "elegant-serif",
-    label: "优雅宋体",
-    style: { size: 40, color: "#f0f0f0", bold: false, italic: true, stroke: false, shadow: true },
-    previewStyle: { fontSize: 16, color: "#f0f0f0", fontStyle: "italic", fontFamily: "serif" },
-  },
-  {
-    key: "impact",
-    label: "冲击力",
-    style: { size: 56, color: "#ff4444", bold: true, italic: false, stroke: true, shadow: true },
-    previewStyle: { fontSize: 20, color: "#ff4444", fontWeight: 900 },
-  },
-]
-
-/** 将 AiAvatarTitleConfig 适配为 TitleSettings */
-function toTitleSettings(config: AiAvatarTitleConfig): TitleSettings {
-  return {
-    aiAutoSelect: false,
-    title: config.title,
-    position: config.position,
-    font: config.font,
-    size: config.size,
-    bold: config.bold,
-    italic: config.italic,
-    stroke: config.stroke,
-    shadow: config.shadow,
-    color: config.color,
-    posX: null,
-    posY: null,
-  }
-}
-
-/** 根据 preset key 找到对应的预设 */
-function findPresetByKey(key: string): TitlePreset | undefined {
-  return titlePresets.find((p) => p.key === key)
-}
-
-const TitleConfigPanel: React.FC<TitleConfigPanelProps> = ({
-  titleConfig,
-  setTitleConfig,
-  collapsed,
-  onToggleCollapse,
-}) => {
-  /* 字幕开关 */
-  const [subtitleEnabled, setSubtitleEnabled] = useState(false)
-  const [subtitleFont, setSubtitleFont] = useState("思源黑体")
-  const [subtitleSize, setSubtitleSize] = useState(24)
-
-  const titleSettings = useMemo(() => toTitleSettings(titleConfig), [titleConfig])
-
-  /* 当前激活的预设 */
-  const activePreset = useMemo(() => {
-    const match = titlePresets.find(
-      (p) =>
-        p.style.size === titleConfig.size &&
-        p.style.color === titleConfig.color &&
-        p.style.bold === titleConfig.bold &&
-        p.style.italic === titleConfig.italic &&
-        p.style.stroke === titleConfig.stroke &&
-        p.style.shadow === titleConfig.shadow,
-    )
-    return match ? match.key : null
-  }, [titleConfig])
-
-  /* 将 TitleStylePanel 的预设 key 映射回 titlePresets 项 */
-  const presetItems = useMemo(
-    () =>
-      titlePresets.map((p) => ({
-        key: p.key,
-        label: p.label,
-        previewStyle: p.previewStyle as React.CSSProperties,
-      })),
-    [],
-  )
-
-  const handleTitleChange = useCallback(
-    (e: React.ChangeEvent<HTMLInputElement>) => {
-      setTitleConfig({ ...titleConfig, title: e.target.value })
-    },
-    [titleConfig, setTitleConfig],
-  )
-
-  const handleApplyPreset = useCallback(
-    (presetKey: string) => {
-      const preset = findPresetByKey(presetKey)
-      if (!preset) return
-      setTitleConfig({
-        ...titleConfig,
-        size: preset.style.size,
-        color: preset.style.color,
-        bold: preset.style.bold,
-        italic: preset.style.italic,
-        stroke: preset.style.stroke,
-        shadow: preset.style.shadow,
-      })
-    },
-    [titleConfig, setTitleConfig],
-  )
-
-  return (
-    <div className={`ai-avatar-panel panel-title-config ${collapsed ? "collapsed" : ""}`}>
-      <div className="ai-avatar-panel-header" onClick={onToggleCollapse}>
-        <h3>标题配置</h3>
-        <button className="collapse-btn">◀</button>
-      </div>
-      <div className="ai-avatar-panel-body">
-        {/* 主标题输入 */}
-        <div style={{ marginBottom: 16 }}>
-          <label style={{ display: "block", fontSize: 13, color: "#999", marginBottom: 6 }}>
-            主标题
-          </label>
-          <input
-            className="ai-avatar-script-editor"
-            style={{ minHeight: "auto", padding: "8px 12px", fontSize: 14 }}
-            type="text"
-            placeholder="请输入视频标题"
-            value={titleConfig.title}
-            onChange={handleTitleChange}
-          />
-        </div>
-
-        {/* 复用标题样式面板 */}
-        <TitleStylePanel
-          settings={titleSettings}
-          onUpdatePosition={(position) => setTitleConfig({ ...titleConfig, position })}
-          onUpdateFont={(font) => setTitleConfig({ ...titleConfig, font })}
-          onUpdateSize={(size) => setTitleConfig({ ...titleConfig, size })}
-          onToggleBold={() => setTitleConfig({ ...titleConfig, bold: !titleConfig.bold })}
-          onToggleItalic={() => setTitleConfig({ ...titleConfig, italic: !titleConfig.italic })}
-          onToggleStroke={() => setTitleConfig({ ...titleConfig, stroke: !titleConfig.stroke })}
-          onToggleShadow={() => setTitleConfig({ ...titleConfig, shadow: !titleConfig.shadow })}
-          onApplyPreset={handleApplyPreset}
-          activePreset={activePreset}
-          titlePresets={presetItems}
-          POSITION_OPTIONS={POSITION_OPTIONS}
-          FONT_OPTIONS={FONT_OPTIONS}
-        />
-
-        {/* 字幕区域 */}
-        <div className="ai-avatar-subtitle-section">
-          <label>
-            <input
-              type="checkbox"
-              checked={subtitleEnabled}
-              onChange={(e) => setSubtitleEnabled(e.target.checked)}
-            />
-            显示字幕
-          </label>
-
-          {subtitleEnabled && (
-            <div style={{ marginTop: 12 }}>
-              <div style={{ marginBottom: 8 }}>
-                <label style={{ display: "block", fontSize: 12, color: "#999", marginBottom: 4 }}>
-                  字幕字体
-                </label>
-                <select
-                  className="ai-avatar-script-editor"
-                  style={{ minHeight: "auto", padding: "6px 10px", fontSize: 13 }}
-                  value={subtitleFont}
-                  onChange={(e) => setSubtitleFont(e.target.value)}
-                >
-                  {FONT_OPTIONS.map((f) => (
-                    <option key={f} value={f}>
-                      {f}
-                    </option>
-                  ))}
-                </select>
-              </div>
-              <div>
-                <label style={{ display: "block", fontSize: 12, color: "#999", marginBottom: 4 }}>
-                  字幕大小：{subtitleSize}px
-                </label>
-                <input
-                  type="range"
-                  min={12}
-                  max={72}
-                  value={subtitleSize}
-                  onChange={(e) => setSubtitleSize(Number(e.target.value))}
-                  style={{ width: "100%" }}
-                />
-              </div>
-            </div>
-          )}
-        </div>
-      </div>
-    </div>
-  )
-}
-
-export default TitleConfigPanel
diff --git a/apps/web/src/pages/ai-avatar/components/VoiceClonePanel.tsx b/apps/web/src/pages/ai-avatar/components/VoiceClonePanel.tsx
deleted file mode 100644
index 62700edc8..000000000
--- a/apps/web/src/pages/ai-avatar/components/VoiceClonePanel.tsx
+++ /dev/null
@@ -1,256 +0,0 @@
-import { useState, useRef, useCallback } from "react"
-import { uploadAssetDirect, ensureDefaultLibrary } from "@/api/assets"
-import { getOrCreateDefaultProject } from "@/api/projects"
-import type { VoiceCloneState, VoiceTone } from "../types/aiAvatar"
-
-interface VoiceClonePanelProps {
-  voiceClone: VoiceCloneState
-  setVoiceClone: (v: VoiceCloneState) => void
-  selectedVoiceId: string
-  setSelectedVoiceId: (id: string) => void
-  collapsed: boolean
-  onToggleCollapse: () => void
-}
-
-const MAX_AUDIO_SIZE = 50 * 1024 * 1024 // 50MB
-
-/** Mock 音色列表（后续接 API） */
-const MOCK_VOICES: VoiceTone[] = [
-  {
-    id: "voice-1",
-    name: "温柔女声",
-    description: "适合新闻播报和产品介绍",
-    gender: "女",
-    preview_url: "",
-  },
-  {
-    id: "voice-2",
-    name: "沉稳男声",
-    description: "适合企业宣传和培训视频",
-    gender: "男",
-    preview_url: "",
-  },
-  {
-    id: "voice-3",
-    name: "活泼女声",
-    description: "适合短视频和社交媒体内容",
-    gender: "女",
-    preview_url: "",
-  },
-]
-
-/** 状态文案映射 */
-const STATUS_LABEL: Record<VoiceCloneState["status"], string> = {
-  idle: "",
-  uploading: "正在上传音频...",
-  cloning: "正在克隆声音...",
-  completed: "声音克隆完成",
-  failed: "克隆失败，请重试",
-}
-
-const STATUS_CLASS: Record<string, string> = {
-  completed: "success",
-  cloning: "cloning",
-  failed: "failed",
-}
-
-const VoiceClonePanel: React.FC<VoiceClonePanelProps> = ({
-  voiceClone,
-  setVoiceClone,
-  selectedVoiceId,
-  setSelectedVoiceId,
-  collapsed,
-  onToggleCollapse,
-}) => {
-  const [dragOver, setDragOver] = useState(false)
-  const fileInputRef = useRef<HTMLInputElement>(null)
-
-  const handleUpload = useCallback(
-    async (file: File) => {
-      if (file.size > MAX_AUDIO_SIZE) {
-        alert("音频文件大小不能超过 50MB")
-        return
-      }
-      const isAudio = file.type.startsWith("audio/")
-      if (!isAudio) {
-        alert("请上传 WAV 或 MP3 格式的音频文件")
-        return
-      }
-
-      try {
-        setVoiceClone({ ...voiceClone, status: "uploading", progress: 0 })
-
-        // 获取或创建默认项目和配音库
-        const project = await getOrCreateDefaultProject()
-        const library = await ensureDefaultLibrary({
-          project_id: project.id,
-          kind: "voice",
-        })
-
-        // 上传音频
-        const audioUrl = URL.createObjectURL(file)
-        setVoiceClone({
-          ...voiceClone,
-          status: "uploading",
-          audioUrl,
-          audioName: file.name,
-          progress: 0,
-        })
-
-        await uploadAssetDirect({
-          file,
-          library_id: library.id,
-          onProgress: (p) => {
-            setVoiceClone({ ...voiceClone, audioUrl, audioName: file.name, progress: p })
-          },
-        })
-
-        // 开始克隆（模拟）
-        setVoiceClone({
-          ...voiceClone,
-          status: "cloning",
-          audioUrl,
-          audioName: file.name,
-          progress: 100,
-        })
-
-        // TODO: 调用实际的声音克隆 API
-        // 模拟克隆完成
-        setTimeout(() => {
-          setVoiceClone({
-            ...voiceClone,
-            status: "completed",
-            audioUrl,
-            audioName: file.name,
-            cloneJobId: `clone-${Date.now()}`,
-            voiceId: `voice-clone-${Date.now()}`,
-            progress: 100,
-          })
-        }, 3000)
-      } catch (err) {
-        const message = err instanceof Error ? err.message : "上传失败"
-        alert(message)
-        setVoiceClone({ ...voiceClone, status: "failed", progress: 0 })
-      }
-    },
-    [voiceClone, setVoiceClone],
-  )
-
-  const handleFileSelect = useCallback(
-    (e: React.ChangeEvent<HTMLInputElement>) => {
-      const file = e.target.files?.[0]
-      if (file) {
-        handleUpload(file)
-      }
-      e.target.value = ""
-    },
-    [handleUpload],
-  )
-
-  const handleDrop = useCallback(
-    (e: React.DragEvent<HTMLDivElement>) => {
-      e.preventDefault()
-      setDragOver(false)
-      const file = e.dataTransfer.files[0]
-      if (file) {
-        handleUpload(file)
-      }
-    },
-    [handleUpload],
-  )
-
-  const handleDragOver = useCallback((e: React.DragEvent<HTMLDivElement>) => {
-    e.preventDefault()
-    setDragOver(true)
-  }, [])
-
-  const handleDragLeave = useCallback(() => {
-    setDragOver(false)
-  }, [])
-
-  const handleVoiceSelect = useCallback(
-    (voiceId: string) => {
-      setSelectedVoiceId(voiceId)
-    },
-    [setSelectedVoiceId],
-  )
-
-  const showStatus = voiceClone.status !== "idle" && voiceClone.status !== "uploading"
-
-  return (
-    <div className={`ai-avatar-panel panel-voice-clone ${collapsed ? "collapsed" : ""}`}>
-      <div className="ai-avatar-panel-header" onClick={onToggleCollapse}>
-        <h3>声音克隆</h3>
-        <button className="collapse-btn">◀</button>
-      </div>
-      <div className="ai-avatar-panel-body">
-        {/* 上传区域 */}
-        {voiceClone.audioUrl ? (
-          <div>
-            <div className="ai-avatar-media-preview">
-              <audio src={voiceClone.audioUrl} controls />
-            </div>
-            <div className="ai-avatar-media-info">
-              <span>{voiceClone.audioName}</span>
-            </div>
-          </div>
-        ) : (
-          <div
-            className={`ai-avatar-upload-zone ${dragOver ? "drag-over" : ""}`}
-            onClick={() => fileInputRef.current?.click()}
-            onDrop={handleDrop}
-            onDragOver={handleDragOver}
-            onDragLeave={handleDragLeave}
-          >
-            <span className="upload-icon">🎙️</span>
-            <div>点击或拖拽上传参考音频</div>
-            <div style={{ marginTop: 4, fontSize: 12 }}>WAV / MP3 格式，不超过 50MB</div>
-            <input
-              ref={fileInputRef}
-              type="file"
-              accept="audio/wav,audio/mp3,audio/*"
-              onChange={handleFileSelect}
-              style={{ display: "none" }}
-            />
-          </div>
-        )}
-
-        {/* 克隆状态 */}
-        {showStatus && (
-          <div className={`ai-avatar-clone-status ${STATUS_CLASS[voiceClone.status] || ""}`}>
-            {voiceClone.status === "cloning" && "⏳ "}
-            {voiceClone.status === "completed" && "✅ "}
-            {voiceClone.status === "failed" && "❌ "}
-            {STATUS_LABEL[voiceClone.status]}
-          </div>
-        )}
-
-        {/* 上传中进度 */}
-        {voiceClone.status === "uploading" && (
-          <div style={{ marginTop: 12, fontSize: 13, color: "#999" }}>
-            上传中... {voiceClone.progress}%
-          </div>
-        )}
-
-        {/* 已有音色列表 */}
-        <div className="ai-avatar-voice-list">
-          <h4>已有音色</h4>
-          {MOCK_VOICES.map((voice) => (
-            <div
-              key={voice.id}
-              className={`ai-avatar-voice-item ${selectedVoiceId === voice.id ? "selected" : ""}`}
-              onClick={() => handleVoiceSelect(voice.id)}
-            >
-              <div>
-                <div style={{ fontSize: 13, color: "#fff" }}>{voice.name}</div>
-                <div style={{ fontSize: 12, color: "#999", marginTop: 2 }}>{voice.description}</div>
-              </div>
-            </div>
-          ))}
-        </div>
-      </div>
-    </div>
-  )
-}
-
-export default VoiceClonePanel
diff --git a/apps/web/src/pages/ai-avatar/hooks/useAiAvatar.ts b/apps/web/src/pages/ai-avatar/hooks/useAiAvatar.ts
new file mode 100644
index 000000000..8553eb819
--- /dev/null
+++ b/apps/web/src/pages/ai-avatar/hooks/useAiAvatar.ts
@@ -0,0 +1,141 @@
+/**
+ * AI数字人 — 页面全局状态管理 hook（v3）
+ */
+import { useState, useCallback } from "react"
+import type { AssetItem } from "@/api/assets"
+import type { UnifiedVoiceItem } from "@/api/voices/types"
+import {
+  type VoiceSource,
+  type VoiceEmotion,
+  type VoiceLanguage,
+  type Script,
+  type LipsyncJob,
+  type BRollSegment,
+  type AiAvatarTitleConfig,
+  type AiAvatarCoverConfig,
+  DEFAULT_TITLE_CONFIG,
+  DEFAULT_COVER_CONFIG,
+} from "../types"
+
+export function useAiAvatar() {
+  /* ── 面板1：出镜视频 ── */
+  const [selectedVideo, setSelectedVideo] = useState<AssetItem | null>(null)
+  const [showAssetPicker, setShowAssetPicker] = useState(false)
+
+  /* ── 面板2：配音库 ── */
+  const [voiceSource, setVoiceSource] = useState<VoiceSource>("preset")
+  const [selectedVoice, setSelectedVoice] = useState<UnifiedVoiceItem | null>(null)
+  const [emotion, setEmotion] = useState<VoiceEmotion>("natural")
+  const [speed, setSpeed] = useState(1.0)
+  const [language, setLanguage] = useState<VoiceLanguage>("mandarin")
+
+  /* ── 面板3：文案 & 对口型 ── */
+  const [script, setScript] = useState<Script | null>(null)
+  const [scriptText, setScriptText] = useState("")
+  const [lipsyncJob, setLipsyncJob] = useState<LipsyncJob | null>(null)
+  const [showScriptModal, setShowScriptModal] = useState(false)
+  const [showBRollModal, setShowBRollModal] = useState(false)
+
+  /* ── 面板3.5：B-roll ── */
+  const [bRollSegments, setBRollSegments] = useState<BRollSegment[]>([])
+
+  /* ── 面板4：标题配置 ── */
+  const [titleConfig, setTitleConfig] = useState<AiAvatarTitleConfig>(DEFAULT_TITLE_CONFIG)
+
+  /* ── 面板5：封面 & 生成 ── */
+  const [coverConfig, setCoverConfig] = useState<AiAvatarCoverConfig>(DEFAULT_COVER_CONFIG)
+  const [resolution, setResolution] = useState("1080p")
+  const [isGenerating, setIsGenerating] = useState(false)
+
+  /* ── Actions ── */
+  const selectVideo = useCallback((asset: AssetItem) => {
+    setSelectedVideo(asset)
+    setShowAssetPicker(false)
+  }, [])
+
+  const removeVideo = useCallback(() => {
+    setSelectedVideo(null)
+  }, [])
+
+  const selectScript = useCallback((s: Script) => {
+    setScript(s)
+    setScriptText(s.content)
+    setShowScriptModal(false)
+  }, [])
+
+  const addBRollSegment = useCallback((segment: BRollSegment) => {
+    setBRollSegments((prev) => [...prev, segment])
+  }, [])
+
+  const removeBRollSegment = useCallback((id: string) => {
+    setBRollSegments((prev) => prev.filter((s) => s.id !== id))
+  }, [])
+
+  const updateTitleConfig = useCallback((partial: Partial<AiAvatarTitleConfig>) => {
+    setTitleConfig((prev) => ({ ...prev, ...partial }))
+  }, [])
+
+  const reset = useCallback(() => {
+    setSelectedVideo(null)
+    setSelectedVoice(null)
+    setScript(null)
+    setScriptText("")
+    setLipsyncJob(null)
+    setBRollSegments([])
+    setTitleConfig(DEFAULT_TITLE_CONFIG)
+    setCoverConfig(DEFAULT_COVER_CONFIG)
+    setResolution("1080p")
+    setIsGenerating(false)
+  }, [])
+
+  return {
+    // 面板1
+    selectedVideo,
+    showAssetPicker,
+    setShowAssetPicker,
+    selectVideo,
+    removeVideo,
+    // 面板2
+    voiceSource,
+    setVoiceSource,
+    selectedVoice,
+    setSelectedVoice,
+    emotion,
+    setEmotion,
+    speed,
+    setSpeed,
+    language,
+    setLanguage,
+    // 面板3
+    script,
+    setScript,
+    scriptText,
+    setScriptText,
+    lipsyncJob,
+    setLipsyncJob,
+    showScriptModal,
+    setShowScriptModal,
+    showBRollModal,
+    setShowBRollModal,
+    selectScript,
+    // B-roll
+    bRollSegments,
+    addBRollSegment,
+    removeBRollSegment,
+    // 面板4
+    titleConfig,
+    updateTitleConfig,
+    setTitleConfig,
+    // 面板5
+    coverConfig,
+    setCoverConfig,
+    resolution,
+    setResolution,
+    isGenerating,
+    setIsGenerating,
+    // 全局
+    reset,
+  }
+}
+
+export type UseAiAvatarReturn = ReturnType<typeof useAiAvatar>
diff --git a/apps/web/src/pages/ai-avatar/hooks/useAiAvatarState.ts b/apps/web/src/pages/ai-avatar/hooks/useAiAvatarState.ts
deleted file mode 100644
index 079d8d66b..000000000
--- a/apps/web/src/pages/ai-avatar/hooks/useAiAvatarState.ts
+++ /dev/null
@@ -1,132 +0,0 @@
-/**
- * AI数字人页面全局状态管理 (#1798)
- */
-import { useState, useCallback } from "react"
-import type {
-  AvatarVideo,
-  VoiceCloneState,
-  Script,
-  LipsyncJob,
-  BRollSegment,
-  AiAvatarTitleConfig,
-  AiAvatarCoverConfig,
-  AiAvatarGenerateConfig,
-  AiAvatarRenderJob,
-} from "../types/aiAvatar"
-
-const DEFAULT_TITLE_CONFIG: AiAvatarTitleConfig = {
-  title: "",
-  font: "思源黑体",
-  size: 28,
-  color: "#ffffff",
-  position: "bottom",
-  bold: false,
-  italic: false,
-  stroke: false,
-  shadow: false,
-}
-
-const DEFAULT_COVER_CONFIG: AiAvatarCoverConfig = {
-  enabled: false,
-  mode: "auto",
-  frame_time: 0,
-  upload_url: "",
-  thumbnail_url: "",
-}
-
-const DEFAULT_VOICE_CLONE: VoiceCloneState = {
-  status: "idle",
-  audioUrl: "",
-  audioName: "",
-  cloneJobId: "",
-  voiceId: "",
-  progress: 0,
-}
-
-export function useAiAvatarState() {
-  /* ── 面板折叠状态 ── */
-  const [collapsedPanels, setCollapsedPanels] = useState<Record<string, boolean>>({})
-
-  const togglePanel = useCallback((key: string) => {
-    setCollapsedPanels((prev) => ({ ...prev, [key]: !prev[key] }))
-  }, [])
-
-  /* ── 面板1：出镜视频 ── */
-  const [avatarVideo, setAvatarVideo] = useState<AvatarVideo | null>(null)
-
-  /* ── 面板2：声音克隆 ── */
-  const [voiceClone, setVoiceClone] = useState<VoiceCloneState>(DEFAULT_VOICE_CLONE)
-  const [selectedVoiceId, setSelectedVoiceId] = useState<string>("")
-
-  /* ── 面板3：文案 & 对口型 ── */
-  const [selectedScript, setSelectedScript] = useState<Script | null>(null)
-  const [scriptContent, setScriptContent] = useState("")
-  const [lipsyncJob, setLipsyncJob] = useState<LipsyncJob | null>(null)
-  const [bRollSegments, setBRollSegments] = useState<BRollSegment[]>([])
-
-  /* ── 面板4：标题配置 ── */
-  const [titleConfig, setTitleConfig] = useState<AiAvatarTitleConfig>(DEFAULT_TITLE_CONFIG)
-
-  /* ── 面板5：封面 & 生成 ── */
-  const [coverConfig, setCoverConfig] = useState<AiAvatarCoverConfig>(DEFAULT_COVER_CONFIG)
-  const [generateConfig, setGenerateConfig] = useState<AiAvatarGenerateConfig>({
-    resolution: "1080p",
-    bRollMode: "pip",
-  })
-
-  /* ── 渲染任务 ── */
-  const [renderJob, setRenderJob] = useState<AiAvatarRenderJob | null>(null)
-  const [isGenerating, setIsGenerating] = useState(false)
-
-  /* ── 弹窗状态 ── */
-  const [scriptModalOpen, setScriptModalOpen] = useState(false)
-  const [brollModalOpen, setBrollModalOpen] = useState(false)
-
-  return {
-    // 面板折叠
-    collapsedPanels,
-    togglePanel,
-
-    // 面板1
-    avatarVideo,
-    setAvatarVideo,
-
-    // 面板2
-    voiceClone,
-    setVoiceClone,
-    selectedVoiceId,
-    setSelectedVoiceId,
-
-    // 面板3
-    selectedScript,
-    setSelectedScript,
-    scriptContent,
-    setScriptContent,
-    lipsyncJob,
-    setLipsyncJob,
-    bRollSegments,
-    setBRollSegments,
-
-    // 面板4
-    titleConfig,
-    setTitleConfig,
-
-    // 面板5
-    coverConfig,
-    setCoverConfig,
-    generateConfig,
-    setGenerateConfig,
-
-    // 渲染
-    renderJob,
-    setRenderJob,
-    isGenerating,
-    setIsGenerating,
-
-    // 弹窗
-    scriptModalOpen,
-    setScriptModalOpen,
-    brollModalOpen,
-    setBrollModalOpen,
-  }
-}
diff --git a/apps/web/src/pages/ai-avatar/types.ts b/apps/web/src/pages/ai-avatar/types.ts
new file mode 100644
index 000000000..f6d4426be
--- /dev/null
+++ b/apps/web/src/pages/ai-avatar/types.ts
@@ -0,0 +1,121 @@
+/**
+ * AI数字人 — TypeScript 类型定义（v3）
+ */
+import type { AssetItem } from "@/api/assets"
+
+/* ── 音色来源切换 ── */
+export type VoiceSource = "preset" | "clone"
+
+/* ── 情绪 ── */
+export type VoiceEmotion = "natural" | "excited" | "calm" | "friendly"
+
+export const VOICE_EMOTION_OPTIONS: { value: VoiceEmotion; label: string }[] = [
+  { value: "natural", label: "自然" },
+  { value: "excited", label: "兴奋" },
+  { value: "calm", label: "沉稳" },
+  { value: "friendly", label: "亲切" },
+]
+
+/* ── 语言 ── */
+export type VoiceLanguage = "mandarin" | "english" | "cantonese"
+
+export const VOICE_LANGUAGE_OPTIONS: { value: VoiceLanguage; label: string }[] = [
+  { value: "mandarin", label: "普通话" },
+  { value: "english", label: "English" },
+  { value: "cantonese", label: "粤语" },
+]
+
+/* ── 对口型任务状态 ── */
+export type LipsyncStatus = "idle" | "pending" | "processing" | "completed" | "failed"
+
+/* ── 文案 ── */
+export interface Script {
+  id: string
+  title: string
+  content: string
+  char_count: number
+  created_at: string
+  updated_at?: string
+}
+
+/* ── 对口型任务 ── */
+export interface LipsyncJob {
+  id: string
+  status: LipsyncStatus
+  progress: number
+  output_video_url: string | null
+  error_message: string | null
+  created_at: string
+}
+
+/* ── B-roll 画面插入 ── */
+export type BRollInsertMode = "fullscreen" | "pip"
+export type PipPosition = "top-left" | "top-right" | "bottom-left" | "bottom-right"
+
+export interface BRollSegment {
+  id: string
+  asset: AssetItem
+  script_segment_index: number
+  start_time: number
+  end_time: number
+  mode: BRollInsertMode
+  pip_position: PipPosition
+  pip_scale: number
+}
+
+/* ── 标题配置 ── */
+export interface AiAvatarTitleConfig {
+  title: string
+  position: string
+  font: string
+  size: number
+  bold: boolean
+  italic: boolean
+  stroke: boolean
+  shadow: boolean
+  color: string
+  auto_subtitle: boolean
+}
+
+/* ── 封面配置 ── */
+export interface AiAvatarCoverConfig {
+  enabled: boolean
+  mode: "auto_frame" | "upload"
+  frame_time: number
+  upload_url: string | null
+  thumbnail_url: string | null
+}
+
+/* ── 渲染任务 ── */
+export type RenderStatus = "pending" | "processing" | "completed" | "failed" | "cancelled"
+
+export interface RenderJob {
+  id: string
+  status: RenderStatus
+  progress: number
+  output_video_url: string | null
+  error_message: string | null
+  created_at: string
+}
+
+/* ── 默认值 ── */
+export const DEFAULT_TITLE_CONFIG: AiAvatarTitleConfig = {
+  title: "",
+  position: "top",
+  font: "思源黑体",
+  size: 28,
+  bold: true,
+  italic: false,
+  stroke: false,
+  shadow: false,
+  color: "#ffffff",
+  auto_subtitle: true,
+}
+
+export const DEFAULT_COVER_CONFIG: AiAvatarCoverConfig = {
+  enabled: true,
+  mode: "auto_frame",
+  frame_time: 0,
+  upload_url: null,
+  thumbnail_url: null,
+}
diff --git a/apps/web/src/pages/ai-avatar/types/aiAvatar.ts b/apps/web/src/pages/ai-avatar/types/aiAvatar.ts
deleted file mode 100644
index bbef14702..000000000
--- a/apps/web/src/pages/ai-avatar/types/aiAvatar.ts
+++ /dev/null
@@ -1,121 +0,0 @@
-/**
- * AI数字人页面 — 类型定义 (#1798)
- */
-
-/* ── 出镜视频 ── */
-export interface AvatarVideo {
-  url: string
-  name: string
-  duration: number // 秒
-  width: number
-  height: number
-  size: number // 字节
-}
-
-/* ── 声音克隆 ── */
-export interface VoiceTone {
-  id: string
-  name: string
-  description: string
-  gender: string
-  preview_url?: string
-}
-
-export interface VoiceCloneState {
-  status: "idle" | "uploading" | "cloning" | "completed" | "failed"
-  audioUrl: string
-  audioName: string
-  cloneJobId: string
-  voiceId: string
-  progress: number
-}
-
-/* ── 文案 ── */
-export interface ScriptSegment {
-  text: string
-  duration?: number
-}
-
-export interface Script {
-  id: string
-  title: string
-  content: string
-  segments: ScriptSegment[]
-  tags: string[]
-  created_at: string
-  updated_at: string
-}
-
-/* ── 对口型 ── */
-export interface LipsyncJob {
-  id: string
-  status: "pending" | "processing" | "completed" | "failed"
-  video_url: string
-  audio_url: string
-  output_video_url: string
-  output_duration: number
-  error_message: string
-  submitted_at?: string
-  completed_at?: string
-}
-
-/* ── B-roll 插入 ── */
-export interface BRollSegment {
-  script_segment_index: number
-  asset_url: string
-  mode: "fullscreen" | "pip"
-  start_time: number
-  end_time: number
-  pip_position?: string
-  pip_scale?: number
-}
-
-/* ── 渲染任务 ── */
-export interface AiAvatarRenderRequest {
-  lipsync_job_id: string
-  script_id: string
-  b_roll_segments: BRollSegment[]
-  title_config: Record<string, unknown>
-  cover_config: Record<string, unknown>
-  project_id?: string
-}
-
-export interface AiAvatarRenderJob {
-  id: string
-  status: "pending" | "processing" | "completed" | "failed"
-  progress: number
-  output_video_url: string
-  output_cover_url: string
-  output_duration: number
-  error_message: string
-  created_at: string
-  updated_at: string
-}
-
-/* ── 封面配置 ── */
-export interface AiAvatarCoverConfig {
-  enabled: boolean
-  mode: "auto" | "frame" | "upload"
-  frame_time: number
-  upload_url: string
-  thumbnail_url: string
-}
-
-/* ── 标题配置（复用 generate 的 TitleSettings 结构） ── */
-export interface AiAvatarTitleConfig {
-  title: string
-  font: string
-  size: number
-  color: string
-  position: string
-  bold: boolean
-  italic: boolean
-  stroke: boolean
-  shadow: boolean
-}
-
-/* ── 生成设置 ── */
-export interface AiAvatarGenerateConfig {
-  resolution: "720p" | "1080p"
-  bRollMode: "fullscreen" | "pip"
-}
-- 
2.54.0