feat(tts): style语气风格参数全链路接入 + 语速/音量/音调透传修复 (#2005)

Co-authored-by: xiaoxia <dev@xiaoxiajianji.com>
Co-committed-by: xiaoxia <dev@xiaoxiajianji.com>

alembic/versions/083_cover_title_config.py

@@ -0,0 +1,26 @@
+"""#2001 爆款标题样式面板升级: ai_avatar_render_jobs 新增 cover_title_config
+
+Revision ID: 083_cover_title_config
+Revises: 082_atom_clip_ai_tags
+Create Date: 2026-09-20
+"""
+
+import sqlalchemy as sa
+
+from alembic import op
+
+revision = "083_cover_title_config"
+down_revision = "082_atom_clip_ai_tags"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "ai_avatar_render_jobs",
+        sa.Column("cover_title_config", sa.JSON(), nullable=False, server_default=sa.text("'{}'")),
+    )
+
+
+def downgrade() -> None:
+    op.drop_column("ai_avatar_render_jobs", "cover_title_config")

alembic/versions/084_lipsync_jobs_style.py

@@ -0,0 +1,26 @@
+"""lipsync_jobs 新增 style 字段（TTS 语气风格）
+
+Revision ID: 084_lipsync_jobs_style
+Revises: 083_cover_title_config
+Create Date: 2026-09-21
+"""
+
+import sqlalchemy as sa
+
+from alembic import op
+
+revision = "084_lipsync_jobs_style"
+down_revision = "083_cover_title_config"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "lipsync_jobs",
+        sa.Column("style", sa.String(length=32), nullable=False, server_default=""),
+    )
+
+
+def downgrade() -> None:
+    op.drop_column("lipsync_jobs", "style")

apps/api/app/api/routes/ai_avatar_render.py

@@ -63,6 +63,7 @@ def create_render_job(
             b_roll_segments=[s.model_dump() for s in body.b_roll_segments],
             title_config=body.title_config,
             cover_config=body.cover_config,
+            cover_title_config=body.cover_title_config,
             project_id=body.project_id,
         )
     except AiAvatarRenderError as exc:

apps/api/app/api/routes/lipsync.py

@@ -111,6 +111,8 @@ def create_lipsync_job(
             voice_id=body.voice_id,
             script_text=body.script_text,
             speed=body.speed,
+            style=body.style or "",
+            volume=body.volume if body.volume is not None else 50,
             emotion=body.emotion,
             enable_video_loop=body.enable_video_loop,
             project_id=body.project_id,
@@ -211,6 +213,8 @@ def preview_tts(
             voice_id=body.voice_id,
             script_text=body.script_text,
             speed=body.speed,
+            style=body.style or "",
+            volume=body.volume if body.volume is not None else 50,
             emotion=body.emotion,
         )
     except MediaKitError as exc:

apps/api/app/api/routes/tts.py

@@ -207,6 +207,9 @@ def synthesize(
     synthesis_meta = {
         "speed": request.speed,
         "emotion": request.emotion or "",
+        "style": request.style or "",
+        "volume": request.volume if request.volume is not None else 50,
+        "pitch": request.pitch if request.pitch is not None else 1.0,
         "language": request.language or "zh-CN",
     }
     if request.metadata_:
@@ -654,6 +657,9 @@ def preview_tts(
             text=request.text,
             voice_id=actual_voice_id,
             speed=request.speed,
+            style=request.style or "",
+            volume=request.volume if request.volume is not None else 50,
+            pitch=request.pitch,
             emotion=request.emotion,
             language=getattr(request, "language", "zh-CN"),
         )

apps/api/app/schemas/ai_avatar_render.py

@@ -53,9 +53,14 @@ class CreateAiAvatarRenderRequest(BaseModel):
     script_id: str = Field("", description="文案 ID（选自文案库时传；手动输入文案直生场景可留空）")
     b_roll_segments: list[BRollSegment] = Field(default_factory=list, description="B-roll 片段列表")
     title_config: dict[str, Any] = Field(
-        default_factory=dict, description="标题配置（可含 title_image_dataurl：前端 Canvas 渲染的标题 PNG dataURL）"
+        default_factory=dict,
+        description="标题配置（可含 title_image_dataurl：前端 Canvas 渲染的标题 PNG dataURL；含 line_overrides 逐行样式）",
     )
     cover_config: dict[str, Any] = Field(default_factory=dict, description="封面配置")
+    cover_title_config: dict[str, Any] = Field(
+        default_factory=dict,
+        description="封面独立标题配置（#2001），结构同 title_config；为空时封面不叠标题",
+    )
     project_id: str = Field("", description="项目 ID")
 
     @field_validator("lipsync_job_id")
@@ -83,6 +88,7 @@ class AiAvatarRenderJobResponse(BaseModel):
     b_roll_segments: list[dict[str, Any]]
     title_config: dict[str, Any]
     cover_config: dict[str, Any]
+    cover_title_config: dict[str, Any] = Field(default_factory=dict, description="封面独立标题配置")
     status: str
     progress: int
     output_video_url: str

apps/api/app/schemas/lipsync.py

@@ -29,6 +29,7 @@ class LipsyncJobResponse(BaseModel):
     voice_id: str = ""
     script_text: str = ""
     speed: float = 1.0
+    style: str = ""
     emotion: str = ""
     mediakit_task_id: str
     status: str
@@ -67,9 +68,14 @@ class CreateLipsyncJobRequest(BaseModel):
     voice_id: str = Field("", description="音色 ID（预置音色或克隆音色 profile UUID）")
     script_text: str = Field("", description="要合成的文案（直生模式必填，最长 5000 字符）")
     speed: float = Field(1.0, ge=0.5, le=2.0, description="语速（0.5-2.0），默认 1.0")
+    style: Optional[str] = Field(
+        None,
+        description="语气风格（natural/sweet/excited/professional/news/livestream），可选；优先级高于 emotion",
+    )
+    volume: Optional[int] = Field(None, ge=0, le=100, description="音量（0-100），默认 50")
     emotion: str = Field(
         "",
-        description="情绪（英文枚举 neutral/happy/sad/angry/surprised/fearful/disgusted，或中文 中立/开心/难过/生气/惊讶/恐惧/厌恶；空为默认自然）",
+        description="[deprecated] 旧情绪参数，内部映射为 style",
     )
 
     enable_video_loop: bool = Field(
@@ -123,10 +129,15 @@ class AiAvatarTtsPreviewRequest(BaseModel):
     voice_id: str = Field(..., min_length=1, max_length=128, description="音色 ID")
     script_text: str = Field(..., min_length=1, max_length=5000, description="要合成的文案")
     speed: float = Field(1.0, ge=0.5, le=2.0, description="语速（0.5-2.0），默认 1.0")
+    style: Optional[str] = Field(
+        None,
+        description="语气风格（natural/sweet/excited/professional/news/livestream），可选；优先级高于 emotion",
+    )
+    volume: Optional[int] = Field(None, ge=0, le=100, description="音量（0-100），默认 50")
     emotion: str = Field(
         "neutral",
         max_length=32,
-        description="情绪（英文枚举 neutral/happy/sad/angry/surprised/fearful/disgusted，或中文 中立/开心/难过/生气/惊讶/恐惧/厌恶；默认 neutral）",
+        description="[deprecated] 旧情绪参数，内部映射为 style；默认 neutral",
     )
 
 

apps/api/app/schemas/tts.py

@@ -16,9 +16,15 @@ class TTSSynthesizeRequest(BaseModel):
     output_name: str = Field("", description="输出文件名")
     language: str = Field("zh-CN", description="语言")
     speed: float = Field(1.0, ge=0.5, le=2.0, description="语速")
+    style: Optional[str] = Field(
+        None,
+        description="语气风格（natural/sweet/excited/professional/news/livestream），可选；优先级高于 emotion",
+    )
+    volume: Optional[int] = Field(None, ge=0, le=100, description="音量（0-100），默认 50")
+    pitch: Optional[float] = Field(None, ge=0.5, le=2.0, description="音调（0.5-2.0），默认 1.0")
     emotion: str = Field(
         "",
-        description="情绪（中文/英文：自然/兴奋/沉稳/亲切/开心/悲伤/愤怒/惊讶/恐惧/厌恶 等；通过 instruction 自然语言指令控制）",
+        description="[deprecated] 旧情绪参数，内部映射为 style；新接入请使用 style",
     )
     voice_model: str = Field("", description="语音模型名称")
     voice_clone_profile_id: str = Field("", description="关联的音色克隆档案 ID")
@@ -113,9 +119,14 @@ class TTSPreviewRequest(BaseModel):
     text: str = Field(..., min_length=1, max_length=200, description="合成文本，限制 200 字")
     voice_id: str = Field(..., min_length=1, description="音色 ID")
     speed: float = Field(1.0, ge=0.5, le=2.0, description="语速")
-    emotion: str = Field("", description="情绪（中文/英文：自然/兴奋/沉稳/亲切/开心/悲伤/愤怒/惊讶/恐惧/厌恶 等）")
+    style: Optional[str] = Field(
+        None,
+        description="语气风格（natural/sweet/excited/professional/news/livestream），可选；优先级高于 emotion",
+    )
+    volume: Optional[int] = Field(None, ge=0, le=100, description="音量（0-100），默认 50")
+    emotion: str = Field("", description="[deprecated] 旧情绪参数，内部映射为 style")
     language: str = Field("zh-CN", description="语言（zh-CN/en-US 等）")
-    pitch: float = Field(1.0, ge=0.5, le=2.0, description="音调（预留，当前未使用）")
+    pitch: float = Field(1.0, ge=0.5, le=2.0, description="音调（0.5-2.0），默认 1.0")
 
 
 class TTSPreviewResponse(BaseModel):

apps/api/app/services/ai_avatar_render_service.py

@@ -61,6 +61,7 @@ class AiAvatarRenderService:
         b_roll_segments: list[dict[str, Any]] | None = None,
         title_config: dict[str, Any],
         cover_config: dict[str, Any],
+        cover_title_config: dict[str, Any] | None = None,
         project_id: str = "",
     ) -> AiAvatarRenderJob:
         """创建渲染任务.
@@ -112,6 +113,7 @@ class AiAvatarRenderService:
             b_roll_segments=[s if isinstance(s, dict) else s.model_dump() for s in (b_roll_segments or [])],
             title_config=title_config,
             cover_config=cover_config,
+            cover_title_config=cover_title_config or {},
             status="pending",
         )
         self.db.add(job)

apps/api/app/services/lipsync_service.py

@@ -111,6 +111,8 @@ class LipsyncService:
         script_text: str,
         speed: float,
         emotion: str,
+        style: str = "",
+        volume: int = 50,
     ) -> str:
         """TTS 直生：调 CosyVoice 合成音频并转存 OSS，返回可公网访问的音频 URL.
 
@@ -124,7 +126,9 @@ class LipsyncService:
                 text=script_text,
                 voice_id=actual_voice_id,
                 speed=speed,
-                emotion=emotion,  # normalize 在 CosyVoiceService 内部完成
+                style=style,
+                volume=volume,
+                emotion=emotion,
                 language="zh",
             )
         except CosyVoiceError as exc:
@@ -424,6 +428,8 @@ class LipsyncService:
         voice_id: str = "",
         script_text: str = "",
         speed: float = 1.0,
+        style: str = "",
+        volume: int = 50,
         emotion: str = "",
         enable_video_loop: bool = True,
         project_id: str = "",
@@ -472,6 +478,7 @@ class LipsyncService:
             voice_id=voice_id or "",
             script_text=script_text or "",
             speed=speed,
+            style=style or "",
             emotion=emotion or "",
             # 音频直传（含预合成）直接进入 pending（后续同步改为 submitted）；TTS 模式进入 tts_processing
             status="tts_processing" if is_tts_mode else "pending",
@@ -493,6 +500,8 @@ class LipsyncService:
                         voice_id,
                         script_text,
                         speed,
+                        style or "",
+                        volume,
                         emotion or "",
                     )
                 )
@@ -527,6 +536,8 @@ class LipsyncService:
         voice_id: str,
         script_text: str,
         speed: float = 1.0,
+        style: str = "",
+        volume: int = 50,
         emotion: str = "neutral",
     ) -> dict:
         """同步做 TTS 合成 + 下载 + ffprobe + 句子时间戳计算.

apps/api/app/tasks/lipsync_tts.py

@@ -82,7 +82,9 @@ def tts_synthesize_and_submit(
     voice_id: str,
     script_text: str,
     speed: float,
-    emotion: str,
+    style: str = "",
+    volume: int = 50,
+    emotion: str = "",
 ):
     """异步执行 TTS 合成 + OSS 转存 + MediaKit 提交.
 
@@ -159,6 +161,8 @@ def tts_synthesize_and_submit(
                 text=script_text,
                 voice_id=voice_id,
                 speed=speed,
+                style=style,
+                volume=volume,
                 emotion=emotion,
                 language="zh",
             )

apps/web/src/api/generation/cover.ts

@@ -7,8 +7,19 @@ export interface GenerateCoverTitleConfig {
   font_color?: string
   position?: string
   bold?: boolean
-  stroke?: boolean
-  shadow?: boolean
+  italic?: boolean
+  stroke?: boolean | { enabled?: boolean; width?: number; color?: string }
+  shadow?:
+    | boolean
+    | { enabled?: boolean; offset_x?: number; offset_y?: number; blur?: number; color?: string }
+  line_height?: number
+  margin_top?: number
+  max_chars_per_line?: number
+  background?: { enabled?: boolean; color?: string; padding?: number; radius?: number }
+  line_overrides?: Array<Record<string, unknown>>
+  cover_title_config?: Record<string, unknown>
+  pos_x?: number
+  pos_y?: number
 }
 
 export interface GenerateCoverRequest {

apps/web/src/api/tasks/types.ts

@@ -81,7 +81,7 @@ export interface CreateGenerationTaskRequest {
   tts_voice_source?: "preset" | "clone"
   /** #1970：智能降重开关（默认 true） */
   dedup_enabled?: boolean
-  /** 标题烧录配置 */
+  /** 标题烧录配置（#2001 扩展：描边/阴影参数/行距/自动换行/背景/逐行/封面） */
   title_config?: {
     text?: string
     font?: string
@@ -89,8 +89,34 @@ export interface CreateGenerationTaskRequest {
     font_color?: string
     position?: string
     bold?: boolean
-    stroke?: boolean
-    shadow?: boolean
+    italic?: boolean
+    stroke?: boolean | { enabled?: boolean; width?: number; color?: string }
+    shadow?:
+      | boolean
+      | {
+          enabled?: boolean
+          offset_x?: number
+          offset_y?: number
+          blur?: number
+          color?: string
+        }
+    line_height?: number
+    margin_top?: number
+    max_chars_per_line?: number
+    background?: { enabled?: boolean; color?: string; padding?: number; radius?: number }
+    line_overrides?: Array<{
+      line_index: number
+      text?: string
+      size?: number
+      color?: string
+      bold?: boolean
+      italic?: boolean
+      stroke?: boolean
+      highlights?: Array<{ word: string; color?: string; bold?: boolean; scale?: number }>
+    }>
+    cover_title_config?: Record<string, unknown>
+    pos_x?: number
+    pos_y?: number
   }
   /** 关联的草稿 ID（编辑流程数据链路用） */
   source_edit_plan_id?: string

apps/web/src/components/title/constants.ts

@@ -0,0 +1,361 @@
+/**
+ * 标题样式相关常量（#2001）
+ * - 字体列表（新增4款爆款字体）
+ * - 色板（常用标题字色/描边色/背景色）
+ * - 预设样式方案（10 个，含抖音爆款黄）
+ */
+import type { TitleStyleConfig } from "./types"
+
+/* ── 字体选项（#2001：新增优设标题黑/阿里普惠体Bold/抖音美好体/思源黑体Heavy） ── */
+export interface FontOption {
+  value: string
+  label: string
+  /** CSS font-family 栈 */
+  family: string
+  /** 爆款/常用标签 */
+  tag?: "hot" | "new"
+}
+
+export const FONT_OPTIONS: FontOption[] = [
+  {
+    value: "优设标题黑",
+    label: "优设标题黑",
+    family:
+      '"YouShe Title Black","YouSheBiaoTiHei","Source Han Sans SC Heavy","Noto Sans SC","PingFang SC",sans-serif',
+    tag: "hot",
+  },
+  {
+    value: "阿里普惠体Bold",
+    label: "阿里普惠体Bold",
+    family:
+      '"Alibaba PuHuiTi Bold","Alibaba PuHuiTi","Source Han Sans SC","PingFang SC",sans-serif',
+    tag: "hot",
+  },
+  {
+    value: "抖音美好体",
+    label: "抖音美好体",
+    family: '"Douyin Sans","DouyinSans","Source Han Sans SC","PingFang SC",sans-serif',
+    tag: "hot",
+  },
+  {
+    value: "思源黑体Heavy",
+    label: "思源黑体Heavy",
+    family:
+      '"Source Han Sans SC Heavy","Noto Sans SC","Source Han Sans CN Heavy","PingFang SC",sans-serif',
+    tag: "new",
+  },
+  {
+    value: "思源黑体",
+    label: "思源黑体",
+    family: '"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif',
+  },
+  {
+    value: "思源宋体",
+    label: "思源宋体",
+    family: '"Source Han Serif SC","Noto Serif SC","Songti SC","SimSun",serif',
+  },
+  {
+    value: "苹方",
+    label: "苹方",
+    family: '"PingFang SC",-apple-system,"Helvetica Neue",sans-serif',
+  },
+  {
+    value: "微软雅黑",
+    label: "微软雅黑",
+    family: '"Microsoft YaHei","PingFang SC",sans-serif',
+  },
+  {
+    value: "楷体",
+    label: "楷体",
+    family: '"KaiTi","STKaiti","DFKai-SB",serif',
+  },
+]
+
+/** 根据中文名取 font-family 栈（找不到回退思源黑体） */
+export function getFontFamily(font: string): string {
+  const f = FONT_OPTIONS.find((x) => x.value === font)
+  if (f) return f.family
+  return FONT_OPTIONS[4].family // 思源黑体
+}
+
+/* ── 色板 ── */
+/** 标题字色（常用爆款色） */
+export const TITLE_COLOR_PALETTE: string[] = [
+  "#ffffff",
+  "#000000",
+  "#ffd700", // 抖音黄
+  "#ff2d55", // 抖音红
+  "#ff4081",
+  "#00e5ff",
+  "#d4a843",
+  "#ffa500",
+  "#52c41a",
+  "#1890ff",
+  "#7c3aed",
+  "#ff6b35",
+]
+
+/** 描边色（黑/白/灰为主） */
+export const STROKE_COLOR_PALETTE: string[] = [
+  "#000000",
+  "#ffffff",
+  "#333333",
+  "#555555",
+  "#8b0000",
+  "#001f3f",
+]
+
+/** 背景色（带透明度） */
+export const BG_COLOR_PALETTE: string[] = [
+  "rgba(0,0,0,0.5)",
+  "rgba(0,0,0,0.7)",
+  "rgba(0,0,0,0.3)",
+  "rgba(255,215,0,0.9)",
+  "rgba(255,45,85,0.85)",
+  "rgba(124,58,237,0.85)",
+  "rgba(24,144,255,0.85)",
+  "rgba(82,196,26,0.85)",
+]
+
+/* ── 预设样式方案（10 个，含抖音爆款黄） ── */
+export interface TitlePreset {
+  key: string
+  label: string
+  emoji: string
+  /** 应用时覆盖到 TitleStyleConfig 的字段（其他字段保持当前值） */
+  style: Partial<TitleStyleConfig>
+}
+
+const BASE: Partial<TitleStyleConfig> = {
+  line_overrides: [],
+  cover_title_config: null,
+}
+
+export const TITLE_PRESETS: TitlePreset[] = [
+  {
+    key: "douyin_hot",
+    label: "抖音爆款黄",
+    emoji: "🔥",
+    style: {
+      ...BASE,
+      font: "优设标题黑",
+      size: 80,
+      color: "#ffd700",
+      bold: true,
+      italic: false,
+      stroke: true,
+      stroke_width: 8,
+      stroke_color: "#000000",
+      shadow: true,
+      shadow_offset_x: 3,
+      shadow_offset_y: 3,
+      shadow_blur: 6,
+      shadow_color: "rgba(0,0,0,0.6)",
+      bg_enabled: false,
+      line_height: 1.25,
+      max_chars_per_line: 8,
+    },
+  },
+  {
+    key: "classic_white",
+    label: "经典白字黑描边",
+    emoji: "⚪",
+    style: {
+      ...BASE,
+      font: "思源黑体Heavy",
+      size: 56,
+      color: "#ffffff",
+      bold: true,
+      italic: false,
+      stroke: true,
+      stroke_width: 5,
+      stroke_color: "#000000",
+      shadow: false,
+      bg_enabled: false,
+      line_height: 1.2,
+      max_chars_per_line: 10,
+    },
+  },
+  {
+    key: "red_bold",
+    label: "醒目红字",
+    emoji: "🔴",
+    style: {
+      ...BASE,
+      font: "优设标题黑",
+      size: 72,
+      color: "#ff2d55",
+      bold: true,
+      italic: false,
+      stroke: true,
+      stroke_width: 6,
+      stroke_color: "#ffffff",
+      shadow: true,
+      shadow_offset_x: 2,
+      shadow_offset_y: 2,
+      shadow_blur: 5,
+      shadow_color: "rgba(0,0,0,0.5)",
+      bg_enabled: false,
+      line_height: 1.2,
+      max_chars_per_line: 9,
+    },
+  },
+  {
+    key: "black_gold",
+    label: "黑金质感",
+    emoji: "🟡",
+    style: {
+      ...BASE,
+      font: "思源宋体",
+      size: 52,
+      color: "#d4a843",
+      bold: true,
+      italic: false,
+      stroke: false,
+      shadow: true,
+      shadow_offset_x: 2,
+      shadow_offset_y: 2,
+      shadow_blur: 8,
+      shadow_color: "rgba(0,0,0,0.8)",
+      bg_enabled: false,
+      line_height: 1.25,
+      max_chars_per_line: 10,
+    },
+  },
+  {
+    key: "neon_blue",
+    label: "霓虹发光",
+    emoji: "💙",
+    style: {
+      ...BASE,
+      font: "阿里普惠体Bold",
+      size: 60,
+      color: "#00e5ff",
+      bold: true,
+      italic: false,
+      stroke: false,
+      shadow: true,
+      shadow_offset_x: 0,
+      shadow_offset_y: 0,
+      shadow_blur: 16,
+      shadow_color: "#00e5ff",
+      bg_enabled: false,
+      line_height: 1.2,
+      max_chars_per_line: 10,
+    },
+  },
+  {
+    key: "bg_black",
+    label: "黑底白字",
+    emoji: "⬛",
+    style: {
+      ...BASE,
+      font: "思源黑体Heavy",
+      size: 52,
+      color: "#ffffff",
+      bold: true,
+      italic: false,
+      stroke: false,
+      shadow: false,
+      bg_enabled: true,
+      bg_color: "rgba(0,0,0,0.7)",
+      bg_padding: 16,
+      bg_radius: 8,
+      line_height: 1.3,
+      max_chars_per_line: 10,
+    },
+  },
+  {
+    key: "bg_yellow",
+    label: "黄底黑字",
+    emoji: "🟨",
+    style: {
+      ...BASE,
+      font: "抖音美好体",
+      size: 56,
+      color: "#000000",
+      bold: true,
+      italic: false,
+      stroke: false,
+      shadow: false,
+      bg_enabled: true,
+      bg_color: "rgba(255,215,0,0.95)",
+      bg_padding: 14,
+      bg_radius: 6,
+      line_height: 1.2,
+      max_chars_per_line: 9,
+    },
+  },
+  {
+    key: "sweet_pink",
+    label: "温柔甜美粉",
+    emoji: "🌸",
+    style: {
+      ...BASE,
+      font: "阿里普惠体Bold",
+      size: 50,
+      color: "#ff4081",
+      bold: false,
+      italic: false,
+      stroke: true,
+      stroke_width: 4,
+      stroke_color: "#ffffff",
+      shadow: true,
+      shadow_offset_x: 2,
+      shadow_offset_y: 2,
+      shadow_blur: 4,
+      shadow_color: "rgba(255,64,129,0.4)",
+      bg_enabled: false,
+      line_height: 1.3,
+      max_chars_per_line: 11,
+    },
+  },
+  {
+    key: "business_dark",
+    label: "商务深色",
+    emoji: "💼",
+    style: {
+      ...BASE,
+      font: "思源黑体",
+      size: 44,
+      color: "#ffffff",
+      bold: false,
+      italic: false,
+      stroke: false,
+      shadow: true,
+      shadow_offset_x: 1,
+      shadow_offset_y: 1,
+      shadow_blur: 3,
+      shadow_color: "rgba(0,0,0,0.8)",
+      bg_enabled: true,
+      bg_color: "rgba(24,144,255,0.85)",
+      bg_padding: 12,
+      bg_radius: 4,
+      line_height: 1.3,
+      max_chars_per_line: 12,
+    },
+  },
+  {
+    key: "minimal_clean",
+    label: "极简无描边",
+    emoji: "✨",
+    style: {
+      ...BASE,
+      font: "苹方",
+      size: 48,
+      color: "#ffffff",
+      bold: true,
+      italic: false,
+      stroke: false,
+      shadow: false,
+      bg_enabled: false,
+      line_height: 1.3,
+      max_chars_per_line: 10,
+    },
+  },
+]
+
+/** 根据 key 获取预设 */
+export function getTitlePreset(key: string): TitlePreset | undefined {
+  return TITLE_PRESETS.find((p) => p.key === key)
+}

apps/web/src/components/title/types.ts

@@ -0,0 +1,118 @@
+/**
+ * 共享标题样式配置类型（#2001 爆款标题样式配置面板升级）
+ *
+ * 设计原则：
+ * 1. 向后兼容：保留旧的 bold/stroke/shadow 布尔字段，新增细粒度字段
+ *    （stroke_width/stroke_color/shadow_offset_x-y-blur-color/bg_enabled-color-padding-radius/line_height/margin_top/max_chars_per_line）。
+ * 2. 后端契约：字段名使用 snake_case，与 title_config dict 直接对齐。
+ * 3. line_overrides 支持逐行覆盖（选中某行单独设置颜色/字号/关键词高亮/加粗/斜体）。
+ * 4. cover_title_config 为封面独立标题样式，null 表示封面沿用主标题样式。
+ */
+
+/** 关键词高亮配置 */
+export interface TitleKeywordHighlight {
+  /** 要高亮的词 */
+  word: string
+  /** 高亮颜色（可选，默认主色反转） */
+  color?: string
+  /** 是否加粗（默认 true） */
+  bold?: boolean
+  /** 额外字号放大倍数（1.0=不变，1.3=放大 30%） */
+  scale?: number
+}
+
+/** 单行覆盖配置 */
+export interface TitleLineOverride {
+  /** 行索引（0-based，按 / 或自动换行后的行序） */
+  line_index: number
+  /** 覆盖后的文字（可选，默认沿用原行） */
+  text?: string
+  /** 覆盖字号（可选） */
+  size?: number
+  /** 覆盖字色（可选） */
+  color?: string
+  /** 覆盖加粗（可选） */
+  bold?: boolean
+  /** 覆盖斜体（可选） */
+  italic?: boolean
+  /** 覆盖描边开关（可选） */
+  stroke?: boolean
+  /** 关键词高亮列表 */
+  highlights?: TitleKeywordHighlight[]
+}
+
+/**
+ * 标题样式配置（不含 title 文字本身，不含 auto_subtitle）。
+ *
+ * cover_title_config 使用 Partial<Omit<...,"cover_title_config">> 递归避免无限类型。
+ */
+export interface TitleStyleConfig {
+  /* ── 基础 ── */
+  font: string
+  size: number
+  color: string
+  bold: boolean
+  italic: boolean
+  position: "top" | "center" | "bottom" | "custom"
+  pos_x?: number
+  pos_y?: number
+
+  /* ── 排版（P0） ── */
+  /** 行距倍数（默认 1.2） */
+  line_height: number
+  /** 顶部边距（position=top 时距画面顶部距离，px @720p，默认 24） */
+  margin_top: number
+  /** 每行最大字符数（4-20，超出自动换行；0=不自动换行，使用 / 手动分行） */
+  max_chars_per_line: number
+
+  /* ── 描边参数化（P0） ── */
+  stroke: boolean
+  stroke_width: number
+  stroke_color: string
+
+  /* ── 阴影参数化（P1） ── */
+  shadow: boolean
+  shadow_offset_x: number
+  shadow_offset_y: number
+  shadow_blur: number
+  shadow_color: string
+
+  /* ── 背景色块（P1） ── */
+  bg_enabled: boolean
+  bg_color: string
+  bg_padding: number
+  bg_radius: number
+
+  /* ── 逐行独立样式（P1） ── */
+  line_overrides: TitleLineOverride[]
+
+  /* ── 封面独立标题配置（P1）：null=沿用主标题样式 ── */
+  cover_title_config: null | Partial<Omit<TitleStyleConfig, "cover_title_config">>
+}
+
+/** 默认样式（经典白字黑描边，保持老版本观感） */
+export const DEFAULT_TITLE_STYLE: TitleStyleConfig = {
+  font: "思源黑体",
+  size: 48,
+  color: "#ffffff",
+  bold: true,
+  italic: false,
+  position: "bottom",
+  line_height: 1.2,
+  margin_top: 24,
+  max_chars_per_line: 0,
+  stroke: true,
+  stroke_width: 4,
+  stroke_color: "#000000",
+  shadow: false,
+  shadow_offset_x: 2,
+  shadow_offset_y: 2,
+  shadow_blur: 4,
+  shadow_color: "rgba(0,0,0,0.8)",
+  bg_enabled: false,
+  bg_color: "rgba(0,0,0,0.5)",
+  bg_padding: 12,
+  bg_radius: 8,
+  line_overrides: [],
+  cover_title_config: null,
+}

apps/web/src/pages/ai-avatar/AiAvatarPage.tsx

@@ -30,11 +30,7 @@ import {
 } from "./api/aiAvatar"
 import { getOrCreateDefaultProject } from "@/api/projects"
 import type { RenderJob, SentenceTiming } from "./types"
-import {
-  normalizeEmotion,
-  buildTitleConfigPayload,
-  buildCoverConfigPayload,
-} from "./utils/contract"
+import { buildTitleConfigPayload, buildCoverConfigPayload } from "./utils/contract"
 import { renderTitleToPngDataUrl, getVideoResolution } from "./utils/titleCanvas"
 
 /** 面板折叠状态 */
@@ -94,7 +90,7 @@ const AiAvatarPage: React.FC = () => {
       state.resetTtsPreview()
     }
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [state.scriptText, state.selectedVoice?.voice_id, state.speed, state.emotion, state.style])
+  }, [state.scriptText, state.selectedVoice?.voice_id, state.speed, state.style])
 
   const _clearTtsProgressTimer = useCallback(() => {
     if (ttsProgressTimerRef.current) {
@@ -148,7 +144,7 @@ const AiAvatarPage: React.FC = () => {
         voice_id: state.selectedVoice!.voice_id,
         script_text: state.scriptText,
         speed: state.speed,
-        emotion: normalizeEmotion(state.emotion),
+        style: state.style,
       })
       _clearTtsProgressTimer()
       setTtsProgress(100)
@@ -175,14 +171,7 @@ const AiAvatarPage: React.FC = () => {
       })
     }
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [
-    state.selectedVideo,
-    state.selectedVoice,
-    state.scriptText,
-    state.speed,
-    state.emotion,
-    state.style,
-  ])
+  }, [state.selectedVideo, state.selectedVoice, state.scriptText, state.speed, state.style])
 
   const handleRetryTts = useCallback(() => {
     handleGenerateTts()
@@ -261,7 +250,6 @@ const AiAvatarPage: React.FC = () => {
           script_text: state.scriptText,
           video_url: videoUrl,
           speed: state.speed,
-          emotion: normalizeEmotion(state.emotion),
           style: state.style,
         }
       }
@@ -306,7 +294,7 @@ const AiAvatarPage: React.FC = () => {
     state.selectedVoice,
     state.scriptText,
     state.speed,
-    state.emotion,
+
     state.style,
     state.ttsPreview,
   ])
@@ -607,8 +595,6 @@ const AiAvatarPage: React.FC = () => {
                   onVoiceSourceChange={state.setVoiceSource}
                   selectedVoice={state.selectedVoice}
                   onSelectVoice={state.setSelectedVoice}
-                  emotion={state.emotion}
-                  onEmotionChange={state.setEmotion}
                   style={state.style}
                   onStyleChange={state.setStyle}
                   speed={state.speed}

apps/web/src/pages/ai-avatar/components/PanelLipsyncPreview.tsx

@@ -29,15 +29,7 @@ function formatTime(seconds: number): string {
   return `${m}:${s.toString().padStart(2, "0")}`
 }
 
-/** 字体名 → CSS font-family 映射（与 titleCanvas 字体链对齐） */
-const FONT_FAMILY_MAP: Record<string, string> = {
-  思源黑体:
-    "'Noto Sans CJK SC', 'Source Han Sans CN', 'PingFang SC', 'Microsoft YaHei', sans-serif",
-  思源宋体: "'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif",
-  楷体: "KaiTi, 'STKaiti', serif",
-  黑体: "'Heiti SC', 'SimHei', 'Microsoft YaHei', sans-serif",
-}
-const getFontFamily = (font: string): string => FONT_FAMILY_MAP[font] || FONT_FAMILY_MAP["思源黑体"]
+import { getFontFamily as getFontFamilyByKey } from "@/components/title/constants"
 
 export function PanelLipsyncPreview({
   lipsyncJob,
@@ -83,63 +75,105 @@ export function PanelLipsyncPreview({
   const previewScale = containerWidth > 0 ? containerWidth / 720 : 0.35
   const ps = useCallback((v: number) => Math.round(v * previewScale * 100) / 100, [previewScale])
 
-  /** 标题叠加样式（字号/padding/描边/阴影均按 previewScale 缩放，保持与成片视觉一致） */
-  const titleOverlayStyle: React.CSSProperties | null =
+  /** 标题叠加样式（新字段全支持：描边宽色/阴影参数化/背景块/行距/顶部边距/自动换行） */
+  const titleOverlayData =
     titleConfig?.title && containerWidth > 0
       ? (() => {
+          const c = titleConfig as AiAvatarTitleConfig & {
+            stroke_width?: number
+            stroke_color?: string
+            shadow_offset_x?: number
+            shadow_offset_y?: number
+            shadow_blur?: number
+            shadow_color?: string
+            line_height?: number
+            margin_top?: number
+            max_chars_per_line?: number
+            bg_enabled?: boolean
+            bg_color?: string
+            bg_padding?: number
+            bg_radius?: number
+            cover_title_config?: Record<string, unknown> | null
+            line_overrides?: unknown[]
+          }
           const baseSize = titleConfig.size || 48
           const fontSize = ps(baseSize)
-          // 描边宽度基准 ≈ size * 0.06，最小 1.5px @720p
-          const strokeW = Math.max(ps(1.5), +(baseSize * 0.06 * previewScale).toFixed(2))
-          // 阴影按比例缩放
-          const shadowBlur = ps(4)
-          const shadowOffsetY = ps(2)
-          // padding / top 边距按比例（基准 8px 对应预览小窗，成片基准 16px，这里 8px 对应约 0.33 缩放）
-          const padV = ps(16) * 0.5 // ≈ 8px in ~240px container
-          const padH = ps(24) * 0.5
-
+          const strokeW = c.stroke ? ps(c.stroke_width ?? 4) : 0
+          const strokeC = c.stroke_color || "#000000"
+          const shBlur = ps(c.shadow_blur ?? 4)
+          const shOffX = ps(c.shadow_offset_x ?? 2)
+          const shOffY = ps(c.shadow_offset_y ?? 2)
+          const shColor = c.shadow_color || "rgba(0,0,0,0.8)"
+          const lh = c.line_height ?? 1.2
+          const mTop = ps(c.margin_top ?? 24)
+          const bgPad = ps(c.bg_padding ?? 12)
+          const bgR = ps(c.bg_radius ?? 8)
+          const maxChars = c.max_chars_per_line ?? 0
+          const rawText = titleConfig.title || ""
+          const lines = (() => {
+            const manual = rawText
+              .split(/[/／]/)
+              .map((l) => l.trim())
+              .filter(Boolean)
+            if (!maxChars || maxChars <= 0) return manual
+            const out: string[] = []
+            manual.forEach((seg) => {
+              for (let i = 0; i < seg.length; i += maxChars) out.push(seg.slice(i, i + maxChars))
+            })
+            return out
+          })()
+          const padV = ps(16) * 0.5
+          const textShadow = titleConfig.shadow
+            ? `${shOffX}px ${shOffY}px ${shBlur}px ${shColor}`
+            : undefined
           const style: React.CSSProperties = {
             position: "absolute",
             color: titleConfig.color || "#ffffff",
-            fontFamily: getFontFamily(titleConfig.font || "思源黑体"),
+            fontFamily: getFontFamilyByKey(titleConfig.font || "source_sans_sc"),
             fontSize: `${fontSize}px`,
             fontWeight: titleConfig.bold ? 700 : 400,
             fontStyle: titleConfig.italic ? "italic" : "normal",
             textAlign: "center",
-            width: "90%",
-            lineHeight: 1.2,
-            padding: `${ps(4)}px ${padH}px`,
-            textShadow: titleConfig.shadow
-              ? `0 ${shadowOffsetY}px ${shadowBlur}px rgba(0,0,0,0.8), 0 0 ${ps(2)}px rgba(0,0,0,0.5)`
-              : undefined,
-            WebkitTextStroke: titleConfig.stroke ? `${strokeW}px #000` : undefined,
-            boxSizing: "border-box",
-            wordBreak: "break-word",
+            lineHeight: lh,
+            WebkitTextStroke:
+              titleConfig.stroke && strokeW > 0 ? `${strokeW}px ${strokeC}` : undefined,
+            paintOrder: "stroke fill",
+            textShadow,
             whiteSpace: "pre-wrap",
+            padding: c.bg_enabled ? `${bgPad}px ${bgPad}px` : 0,
+            background: c.bg_enabled ? c.bg_color || "rgba(0,0,0,0.5)" : "transparent",
+            borderRadius: c.bg_enabled ? `${bgR}px` : 0,
+            boxSizing: "border-box",
+            display: "inline-block",
+            maxWidth: "94%",
+          }
+          const wrap: React.CSSProperties = {
+            position: "absolute",
+            left: "50%",
+            width: "100%",
+            display: "flex",
+            justifyContent: "center",
+            pointerEvents: onTitlePositionChange ? "auto" : "none",
           }
-
           if (
             titleConfig.position === "custom" &&
             titleConfig.pos_x != null &&
             titleConfig.pos_y != null
           ) {
-            style.left = `${titleConfig.pos_x}%`
-            style.top = `${titleConfig.pos_y}%`
-            style.transform = "translateX(-50%) translateY(-50%)"
+            wrap.left = `${titleConfig.pos_x}%`
+            wrap.top = `${titleConfig.pos_y}%`
+            wrap.transform = "translate(-50%, -50%)"
           } else if (titleConfig.position === "top") {
-            style.left = "50%"
-            style.top = padV
-            style.transform = "translateX(-50%)"
+            wrap.top = `${padV + mTop}px`
+            wrap.transform = "translateX(-50%)"
           } else if (titleConfig.position === "bottom") {
-            style.left = "50%"
-            style.bottom = padV
-            style.transform = "translateX(-50%)"
+            wrap.bottom = `${padV}px`
+            wrap.transform = "translateX(-50%)"
           } else {
-            style.left = "50%"
-            style.top = "50%"
-            style.transform = "translateX(-50%) translateY(-50%)"
+            wrap.top = "50%"
+            wrap.transform = "translate(-50%, -50%)"
           }
-          return style
+          return { style, wrap, lines }
         })()
       : null
 
@@ -252,25 +286,23 @@ export function PanelLipsyncPreview({
           {isDone && lipsyncJob?.output_video_url ? (
             <div style={{ position: "relative", width: "100%", height: "100%" }}>
               <video src={lipsyncJob.output_video_url} controls />
-              {titleOverlayStyle && (
+              {titleOverlayData && (
                 <div
                   ref={titleDragRef}
                   style={{
-                    ...titleOverlayStyle,
+                    ...titleOverlayData.wrap,
                     cursor: onTitlePositionChange ? "grab" : "default",
-                    pointerEvents: onTitlePositionChange ? "auto" : "none",
                   }}
                   onPointerDown={handleTitlePointerDown}
                   onPointerMove={handleTitlePointerMove}
                   onPointerUp={handleTitlePointerUp}
                   onPointerCancel={handleTitlePointerUp}
                 >
-                  {titleConfig!.title.split(/[/／]/).map((part, i) => (
-                    <span key={i}>
-                      {i > 0 && <br />}
-                      {part}
-                    </span>
-                  ))}
+                  <div style={titleOverlayData.style}>
+                    {titleOverlayData.lines.map((part: string, i: number) => (
+                      <div key={i}>{part}</div>
+                    ))}
+                  </div>
                 </div>
               )}
             </div>

apps/web/src/pages/ai-avatar/components/PanelTitleConfig.tsx

@@ -13,7 +13,8 @@ import TitleStylePanel from "@/pages/generate/components/title/TitleStylePanel"
 import TitleLibraryAutoComplete from "@/pages/generate/components/title/TitleLibraryAutoComplete"
 import type { TitleOption } from "@/pages/generate/components/title/TitleLibraryAutoComplete"
 import type { TitleSettings } from "@/pages/generate/types"
-import { POSITION_OPTIONS, FONT_OPTIONS, TITLE_PRESETS } from "@/pages/generate/constants"
+import { POSITION_OPTIONS } from "@/pages/generate/constants"
+import { FONT_OPTIONS, TITLE_PRESETS } from "@/components/title/constants"
 import type { AiAvatarTitleConfig } from "../types"
 // #1894: 标题数据源切换到文案库，取 script.title 作为候选
 import { getScripts } from "@/api/scripts"
@@ -49,9 +50,60 @@ const PanelTitleConfig: React.FC<PanelTitleConfigProps> = ({ titleConfig, onUpda
       .catch(() => setTitleOptions([]))
   }, [])
 
-  /** AiAvatarTitleConfig → TitleSettings（补齐 aiAutoSelect / 自由坐标字段） */
-  const titleSettings: TitleSettings = useMemo(
-    () => ({
+  /** AiAvatarTitleConfig (snake_case) → TitleSettings (camelCase) */
+  const titleSettings: TitleSettings = useMemo(() => {
+    const c = titleConfig as AiAvatarTitleConfig & {
+      stroke_width?: number
+      stroke_color?: string
+      shadow_offset_x?: number
+      shadow_offset_y?: number
+      shadow_blur?: number
+      shadow_color?: string
+      line_height?: number
+      margin_top?: number
+      max_chars_per_line?: number
+      bg_enabled?: boolean
+      bg_color?: string
+      bg_padding?: number
+      bg_radius?: number
+      cover_title_config?: {
+        title?: string
+        font?: string
+        size?: number
+        font_size?: number
+        color?: string
+        font_color?: string
+        bold?: boolean
+        italic?: boolean
+        position?: string
+        stroke?: { enabled: boolean; width?: number; color?: string } | boolean
+        stroke_width?: number
+        stroke_color?: string
+        shadow?:
+          | {
+              enabled: boolean
+              offset_x?: number
+              offset_y?: number
+              blur?: number
+              color?: string
+            }
+          | boolean
+        shadow_offset_x?: number
+        shadow_offset_y?: number
+        shadow_blur?: number
+        shadow_color?: string
+        background?: { enabled: boolean; color?: string; padding?: number; radius?: number }
+        bg_enabled?: boolean
+        bg_color?: string
+        bg_padding?: number
+        bg_radius?: number
+        line_height?: number
+        margin_top?: number
+        max_chars_per_line?: number
+      } | null
+      line_overrides?: unknown[]
+    }
+    return {
       aiAutoSelect: false,
       title: titleConfig.title,
       position: titleConfig.position,
@@ -64,24 +116,219 @@ const PanelTitleConfig: React.FC<PanelTitleConfigProps> = ({ titleConfig, onUpda
       color: titleConfig.color,
       posX: null,
       posY: null,
-    }),
-    [titleConfig],
-  )
+      lineHeight: c.line_height ?? 1.2,
+      marginTop: c.margin_top ?? 24,
+      maxCharsPerLine: c.max_chars_per_line ?? 0,
+      strokeWidth: c.stroke_width ?? 4,
+      strokeColor: c.stroke_color ?? "#000000",
+      shadowOffsetX: c.shadow_offset_x ?? 2,
+      shadowOffsetY: c.shadow_offset_y ?? 2,
+      shadowBlur: c.shadow_blur ?? 4,
+      shadowColor: c.shadow_color ?? "rgba(0,0,0,0.8)",
+      bgEnabled: !!c.bg_enabled,
+      bgColor: c.bg_color ?? "rgba(0,0,0,0.5)",
+      bgPadding: c.bg_padding ?? 12,
+      bgRadius: c.bg_radius ?? 8,
+      lineOverrides: Array.isArray(c.line_overrides) ? c.line_overrides : [],
+      coverTitle: (() => {
+        const ct = c.cover_title_config as
+          | null
+          | (AiAvatarTitleConfig & {
+              font_size?: number
+              font_color?: string
+              stroke?: { enabled?: boolean; width?: number; color?: string } | boolean
+              stroke_width?: number
+              stroke_color?: string
+              shadow?:
+                | {
+                    enabled?: boolean
+                    offset_x?: number
+                    offset_y?: number
+                    blur?: number
+                    color?: string
+                  }
+                | boolean
+              shadow_offset_x?: number
+              shadow_offset_y?: number
+              shadow_blur?: number
+              shadow_color?: string
+              background?: { enabled?: boolean; color?: string; padding?: number; radius?: number }
+              bg_enabled?: boolean
+              bg_color?: string
+              bg_padding?: number
+              bg_radius?: number
+            })
+        if (!ct) return null
+        const ctStroke = ct.stroke as
+          { enabled?: boolean; width?: number; color?: string } | boolean | undefined
+        const ctShadow = ct.shadow as
+          | {
+              enabled?: boolean
+              offset_x?: number
+              offset_y?: number
+              blur?: number
+              color?: string
+            }
+          | boolean
+          | undefined
+        const ctBg = ct.background as
+          { enabled?: boolean; color?: string; padding?: number; radius?: number } | undefined
+        return {
+          title: ct.title,
+          font: ct.font,
+          size: ct.font_size ?? ct.size,
+          color: ct.font_color ?? ct.color,
+          bold: ct.bold,
+          italic: ct.italic,
+          position: ct.position,
+          stroke:
+            typeof ctStroke === "object" && ctStroke ? ctStroke.enabled !== false : !!ctStroke,
+          strokeWidth:
+            (typeof ctStroke === "object" && ctStroke ? ctStroke.width : undefined) ??
+            ct.stroke_width ??
+            4,
+          strokeColor:
+            (typeof ctStroke === "object" && ctStroke ? ctStroke.color : undefined) ??
+            ct.stroke_color ??
+            "#000000",
+          shadow:
+            typeof ctShadow === "object" && ctShadow ? ctShadow.enabled !== false : !!ctShadow,
+          shadowOffsetX:
+            (typeof ctShadow === "object" && ctShadow ? ctShadow.offset_x : undefined) ??
+            ct.shadow_offset_x ??
+            2,
+          shadowOffsetY:
+            (typeof ctShadow === "object" && ctShadow ? ctShadow.offset_y : undefined) ??
+            ct.shadow_offset_y ??
+            2,
+          shadowBlur:
+            (typeof ctShadow === "object" && ctShadow ? ctShadow.blur : undefined) ??
+            ct.shadow_blur ??
+            4,
+          shadowColor:
+            (typeof ctShadow === "object" && ctShadow ? ctShadow.color : undefined) ??
+            ct.shadow_color ??
+            "rgba(0,0,0,0.8)",
+          bgEnabled: ctBg?.enabled ?? !!ct.bg_enabled,
+          bgColor: ctBg?.color ?? ct.bg_color ?? "rgba(0,0,0,0.5)",
+          bgPadding: ctBg?.padding ?? ct.bg_padding ?? 12,
+          bgRadius: ctBg?.radius ?? ct.bg_radius ?? 8,
+        }
+      })(),
+    }
+  }, [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 */
+  /** 应用预设：覆盖新细粒度字段（颜色/描边/阴影/字号/字体等） */
   const handleApplyPreset = (presetKey: string) => {
     const preset = TITLE_PRESETS.find((p) => p.key === presetKey)
     if (!preset) return
     setActivePreset(presetKey)
+    const st = preset.style || {}
     onUpdate({
-      color: preset.style.color,
-      bold: preset.style.bold,
-      italic: preset.style.italic,
-      stroke: preset.style.stroke,
-      shadow: preset.style.shadow,
+      font: st.font,
+      size: st.size,
+      color: st.color,
+      bold: st.bold,
+      italic: st.italic,
+      stroke: st.stroke,
+      stroke_width: st.stroke_width,
+      stroke_color: st.stroke_color,
+      shadow: st.shadow,
+      shadow_offset_x: st.shadow_offset_x,
+      shadow_offset_y: st.shadow_offset_y,
+      shadow_blur: st.shadow_blur,
+      shadow_color: st.shadow_color,
+      bg_enabled: st.bg_enabled,
+      bg_color: st.bg_color,
+      bg_padding: st.bg_padding,
+      bg_radius: st.bg_radius,
+      line_overrides: [],
+      cover_title_config: null,
     })
   }
 
+  /** 字段 patch 透传：TitleStylePanel 的 onUpdateStyle（camelCase → snake_case） */
+  const handleUpdateStyle = (patch: Partial<TitleSettings>) => {
+    const snake: Record<string, unknown> = {}
+    const map: Record<string, string> = {
+      lineHeight: "line_height",
+      marginTop: "margin_top",
+      maxCharsPerLine: "max_chars_per_line",
+      strokeWidth: "stroke_width",
+      strokeColor: "stroke_color",
+      shadowOffsetX: "shadow_offset_x",
+      shadowOffsetY: "shadow_offset_y",
+      shadowBlur: "shadow_blur",
+      shadowColor: "shadow_color",
+      bgEnabled: "bg_enabled",
+      bgColor: "bg_color",
+      bgPadding: "bg_padding",
+      bgRadius: "bg_radius",
+      lineOverrides: "line_overrides",
+      coverTitle: "cover_title_config",
+    }
+    Object.entries(patch).forEach(([k, v]) => {
+      if (k === "coverTitle" && v && typeof v === "object") {
+        const ct = v as {
+          title?: string
+          font?: string
+          size?: number
+          color?: string
+          bold?: boolean
+          italic?: boolean
+          position?: string
+          stroke?: boolean
+          strokeWidth?: number
+          strokeColor?: string
+          shadow?: boolean
+          shadowOffsetX?: number
+          shadowOffsetY?: number
+          shadowBlur?: number
+          shadowColor?: string
+          bgEnabled?: boolean
+          bgColor?: string
+          bgPadding?: number
+          bgRadius?: number
+          lineHeight?: number
+          marginTop?: number
+          maxCharsPerLine?: number
+        }
+        snake.cover_title_config = {
+          title: ct.title,
+          font: ct.font,
+          font_size: ct.size,
+          font_color: ct.color,
+          bold: ct.bold,
+          italic: ct.italic,
+          position: ct.position,
+          stroke: ct.stroke
+            ? { enabled: true, width: ct.strokeWidth ?? 4, color: ct.strokeColor ?? "#000" }
+            : { enabled: false },
+          shadow: ct.shadow
+            ? {
+                enabled: true,
+                offset_x: ct.shadowOffsetX ?? 2,
+                offset_y: ct.shadowOffsetY ?? 2,
+                blur: ct.shadowBlur ?? 4,
+                color: ct.shadowColor ?? "rgba(0,0,0,0.8)",
+              }
+            : { enabled: false },
+          background: ct.bgEnabled
+            ? { enabled: true, color: ct.bgColor, padding: ct.bgPadding, radius: ct.bgRadius }
+            : { enabled: false },
+          line_height: ct.lineHeight,
+          margin_top: ct.marginTop,
+          max_chars_per_line: ct.maxCharsPerLine,
+        }
+      } else if (map[k]) {
+        snake[map[k]] = v
+      } else {
+        snake[k] = v
+      }
+    })
+    onUpdate(snake)
+  }
+
   return (
     <div className="aa-title-config">
       {/* 主标题输入 — TextArea 多行 + 标题库选择 */}
@@ -125,8 +372,13 @@ const PanelTitleConfig: React.FC<PanelTitleConfigProps> = ({ titleConfig, onUpda
         onToggleStroke={() => onUpdate({ stroke: !titleConfig.stroke })}
         onToggleShadow={() => onUpdate({ shadow: !titleConfig.shadow })}
         onApplyPreset={handleApplyPreset}
+        onUpdateStyle={handleUpdateStyle}
+        showCoverToggle
+        previewWidth={280}
         activePreset={activePreset}
-        titlePresets={TITLE_PRESETS}
+        titlePresets={
+          TITLE_PRESETS as unknown as React.ComponentProps<typeof TitleStylePanel>["titlePresets"]
+        }
         POSITION_OPTIONS={POSITION_OPTIONS}
         FONT_OPTIONS={FONT_OPTIONS}
       />

apps/web/src/pages/ai-avatar/components/PanelVoiceSelector.tsx

@@ -1,20 +1,17 @@
 /**
  * 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
+ * 音色来源切换（系统预设 / 我的音色）、音色选择与试听、风格/语速/语言参数
  */
 import { useEffect, useRef, useState } from "react"
 import { message } from "antd"
 import { fetchVoices } from "@/api/voices/voices"
 import { previewTts } from "@/api/tts"
-import { normalizeEmotion } from "../utils/contract"
 import TtsStyleSelector from "@/components/voice/TtsStyleSelector"
 import type { TtsStyle } from "@/api/tts/styles"
 import type { UnifiedVoiceItem } from "@/api/voices/types"
 import {
   type VoiceSource,
-  type VoiceEmotion,
   type VoiceLanguage,
-  VOICE_EMOTION_OPTIONS,
   PRESET_VOICE_LANGUAGE_OPTIONS,
   CLONE_VOICE_LANGUAGE_OPTIONS,
 } from "../types"
@@ -24,8 +21,6 @@ interface PanelVoiceSelectorProps {
   onVoiceSourceChange: (source: VoiceSource) => void
   selectedVoice: UnifiedVoiceItem | null
   onSelectVoice: (voice: UnifiedVoiceItem) => void
-  emotion: VoiceEmotion
-  onEmotionChange: (e: VoiceEmotion) => void
   style: TtsStyle
   onStyleChange: (s: TtsStyle) => void
   speed: number
@@ -39,8 +34,6 @@ export function PanelVoiceSelector({
   onVoiceSourceChange,
   selectedVoice,
   onSelectVoice,
-  emotion,
-  onEmotionChange,
   style,
   onStyleChange,
   speed,
@@ -152,14 +145,12 @@ export function PanelVoiceSelector({
         return
       }
       const targetId = voice.voice_clone_profile_id || voice.id
-      // DEBUG: 打印请求参数，帮助定位 /tts/preview 失败原因
       setPreviewingId(voice.id)
       try {
         const res = await previewTts({
           text: VOICE_PREVIEW_TEXT,
           voice_id: targetId,
           speed: speed, // 透传用户选择的语速（#1822）
-          emotion: normalizeEmotion(emotion), // 情绪中文→英文枚举
           style,
         })
         if (!res.audio_url) {
@@ -171,7 +162,6 @@ export function PanelVoiceSelector({
         playAudioUrl(voice.id, res.audio_url)
       } catch (err) {
         setPreviewingId(null)
-        // DEBUG: 打印详细错误信息
         console.error("[AI数字人-克隆试听] previewTts 失败:", {
           status: (err as { response?: { status?: number } })?.response?.status,
           data: (err as { response?: { data?: unknown } })?.response?.data,
@@ -280,23 +270,6 @@ export function PanelVoiceSelector({
       {/* 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

apps/web/src/pages/ai-avatar/hooks/useAiAvatar.ts

@@ -6,7 +6,6 @@ import type { AssetItem } from "@/api/assets"
 import type { UnifiedVoiceItem } from "@/api/voices/types"
 import {
   type VoiceSource,
-  type VoiceEmotion,
   type VoiceLanguage,
   type Script,
   type LipsyncJob,
@@ -35,7 +34,6 @@ export function useAiAvatar() {
   /* ── 面板2：配音库 ── */
   const [voiceSource, setVoiceSource] = useState<VoiceSource>("preset")
   const [selectedVoice, setSelectedVoice] = useState<UnifiedVoiceItem | null>(null)
-  const [emotion, setEmotion] = useState<VoiceEmotion>("neutral")
   const [style, setStyle] = useState<TtsStyle>(DEFAULT_TTS_STYLE)
   const [speed, setSpeed] = useState(1.0)
   const [language, setLanguage] = useState<VoiceLanguage>("zh")
@@ -115,8 +113,6 @@ export function useAiAvatar() {
     setVoiceSource,
     selectedVoice,
     setSelectedVoice,
-    emotion,
-    setEmotion,
     style,
     setStyle,
     speed,

apps/web/src/pages/ai-avatar/types.ts

@@ -100,7 +100,7 @@ export interface BRollSegment {
   pip_scale: number
 }
 
-/* ── 标题配置 ── */
+/* ── 标题配置（#2001 升级：细粒度描边/阴影/背景/排版/逐行/封面独立标题） ── */
 export interface AiAvatarTitleConfig {
   title: string
   position: string
@@ -115,6 +115,42 @@ export interface AiAvatarTitleConfig {
   /** 自定义位置坐标（position=custom 时生效，百分比 0-100） */
   pos_x?: number
   pos_y?: number
+
+  /* ── 排版 ── */
+  line_height: number
+  margin_top: number
+  max_chars_per_line: number
+
+  /* ── 描边参数化 ── */
+  stroke_width: number
+  stroke_color: string
+
+  /* ── 阴影参数化 ── */
+  shadow_offset_x: number
+  shadow_offset_y: number
+  shadow_blur: number
+  shadow_color: string
+
+  /* ── 背景色块 ── */
+  bg_enabled: boolean
+  bg_color: string
+  bg_padding: number
+  bg_radius: number
+
+  /* ── 逐行覆盖 ── */
+  line_overrides: Array<{
+    line_index: number
+    text?: string
+    size?: number
+    color?: string
+    bold?: boolean
+    italic?: boolean
+    stroke?: boolean
+    highlights?: Array<{ word: string; color?: string; bold?: boolean; scale?: number }>
+  }>
+
+  /* ── 封面独立标题（null=沿用主标题） ── */
+  cover_title_config: null | Partial<AiAvatarTitleConfig>
 }
 
 /* ── 封面配置 ── */
@@ -149,12 +185,27 @@ export const DEFAULT_TITLE_CONFIG: AiAvatarTitleConfig = {
   size: 48,
   bold: true,
   italic: false,
-  stroke: false,
+  stroke: true,
   shadow: false,
   color: "#ffffff",
   auto_subtitle: true,
   pos_x: undefined,
   pos_y: undefined,
+  line_height: 1.2,
+  margin_top: 24,
+  max_chars_per_line: 0,
+  stroke_width: 4,
+  stroke_color: "#000000",
+  shadow_offset_x: 2,
+  shadow_offset_y: 2,
+  shadow_blur: 4,
+  shadow_color: "rgba(0,0,0,0.8)",
+  bg_enabled: false,
+  bg_color: "rgba(0,0,0,0.5)",
+  bg_padding: 12,
+  bg_radius: 8,
+  line_overrides: [],
+  cover_title_config: null,
 }
 
 export const DEFAULT_COVER_CONFIG: AiAvatarCoverConfig = {

apps/web/src/pages/ai-avatar/utils/contract.ts

@@ -67,6 +67,37 @@ export function buildTitleConfigPayload(
   const text = (cfg.title || "").trim()
   if (!text) return {}
   const position = cfg.position || "bottom"
+  const anyCfg = cfg as AiAvatarTitleConfig & {
+    stroke_width?: number
+    stroke_color?: string
+    shadow_offset_x?: number
+    shadow_offset_y?: number
+    shadow_blur?: number
+    shadow_color?: string
+    line_height?: number
+    margin_top?: number
+    max_chars_per_line?: number
+    bg_enabled?: boolean
+    bg_color?: string
+    bg_padding?: number
+    bg_radius?: number
+    line_overrides?: unknown[]
+    cover_title_config?: Record<string, unknown> | null
+  }
+  const strokeWidth = anyCfg.stroke_width != null ? anyCfg.stroke_width : 4
+  const strokeColor = anyCfg.stroke_color || "#000000"
+  const shadowOffsetX = anyCfg.shadow_offset_x != null ? anyCfg.shadow_offset_x : 2
+  const shadowOffsetY = anyCfg.shadow_offset_y != null ? anyCfg.shadow_offset_y : 2
+  const shadowBlur = anyCfg.shadow_blur != null ? anyCfg.shadow_blur : 4
+  const shadowColor = anyCfg.shadow_color || "rgba(0,0,0,0.8)"
+  const lineHeight = anyCfg.line_height != null ? anyCfg.line_height : 1.2
+  const marginTop = anyCfg.margin_top != null ? anyCfg.margin_top : 24
+  const maxCharsPerLine = anyCfg.max_chars_per_line ?? 0
+  const bgEnabled = !!anyCfg.bg_enabled
+  const bgColor = anyCfg.bg_color || "rgba(0,0,0,0.5)"
+  const bgPadding = anyCfg.bg_padding != null ? anyCfg.bg_padding : 12
+  const bgRadius = anyCfg.bg_radius != null ? anyCfg.bg_radius : 8
+
   const payload: Record<string, unknown> = {
     text,
     enabled: true,
@@ -75,16 +106,68 @@ export function buildTitleConfigPayload(
     font_color: cfg.color || "#ffffff",
     position,
     bold: !!cfg.bold,
-    stroke: cfg.stroke ? { enabled: true, width: 2, color: "#000000" } : { enabled: false },
-    shadow: cfg.shadow
-      ? { enabled: true, color: "#000000", offset_x: 2, offset_y: 2 }
+    italic: !!cfg.italic,
+    stroke: cfg.stroke
+      ? { enabled: true, width: strokeWidth, color: strokeColor }
       : { enabled: false },
+    shadow: cfg.shadow
+      ? {
+          enabled: true,
+          color: shadowColor,
+          offset_x: shadowOffsetX,
+          offset_y: shadowOffsetY,
+          blur: shadowBlur,
+        }
+      : { enabled: false },
+    line_height: lineHeight,
+    margin_top: marginTop,
+    max_chars_per_line: maxCharsPerLine,
+    background: bgEnabled
+      ? { enabled: true, color: bgColor, padding: bgPadding, radius: bgRadius }
+      : { enabled: false },
+    line_overrides: Array.isArray(anyCfg.line_overrides) ? anyCfg.line_overrides : [],
   }
   // 自定义坐标（custom 位置）
   if (position === "custom" && typeof cfg.pos_x === "number" && typeof cfg.pos_y === "number") {
     payload.pos_x = cfg.pos_x
     payload.pos_y = cfg.pos_y
   }
+  // 封面独立标题配置
+  if (anyCfg.cover_title_config) {
+    const ctc = anyCfg.cover_title_config
+    payload.cover_title_config = {
+      title: ctc.title,
+      font: ctc.font,
+      font_size: ctc.size,
+      font_color: ctc.color,
+      position: ctc.position,
+      bold: ctc.bold,
+      italic: ctc.italic,
+      stroke: ctc.stroke
+        ? { enabled: true, width: ctc.stroke_width ?? 4, color: ctc.stroke_color ?? "#000000" }
+        : { enabled: false },
+      shadow: ctc.shadow
+        ? {
+            enabled: true,
+            color: ctc.shadow_color ?? shadowColor,
+            offset_x: ctc.shadow_offset_x ?? 2,
+            offset_y: ctc.shadow_offset_y ?? 2,
+            blur: ctc.shadow_blur ?? 4,
+          }
+        : { enabled: false },
+      line_height: ctc.line_height ?? lineHeight,
+      margin_top: ctc.margin_top ?? marginTop,
+      max_chars_per_line: ctc.max_chars_per_line ?? maxCharsPerLine,
+      background: ctc.bg_enabled
+        ? {
+            enabled: true,
+            color: ctc.bg_color ?? bgColor,
+            padding: ctc.bg_padding ?? bgPadding,
+            radius: ctc.bg_radius ?? bgRadius,
+          }
+        : { enabled: false },
+    }
+  }
   // 前端 Canvas 渲染好的 PNG dataURL（所见即所得，后端优先 overlay 此图片图层）
   if (titleImageDataUrl) {
     payload.title_image_dataurl = titleImageDataUrl

apps/web/src/pages/ai-avatar/utils/titleCanvas.ts

@@ -9,37 +9,78 @@
  *       按 videoWidth / 720 得到 scale，所有长度类参数乘以 scale，
  *       保证 1080p / 4K 成片里标题视觉大小与预览一致。
  */
+import { getFontFamily } from "@/components/title/constants"
 import type { AiAvatarTitleConfig } from "../types"
 
 export interface RenderTitlePngOptions {
-  /** 标题配置 */
   titleConfig: AiAvatarTitleConfig
-  /** 视频宽度（像素），默认 720 */
   videoWidth?: number
-  /** 视频高度（像素），默认 1280 */
   videoHeight?: number
+  useCoverTitle?: boolean
 }
 
-/**
- * 将标题渲染为透明背景 PNG 的 dataURL（data:image/png;base64,...）
- * Canvas 尺寸与视频一致，保证叠加时 1:1 像素对齐。
- *
- * 标题为空时返回 null。
- */
-export function renderTitleToPngDataUrl(opts: RenderTitlePngOptions): string | null {
-  const { titleConfig, videoWidth = 720, videoHeight = 1280 } = opts
-  if (!titleConfig) return null
-  const rawTitle = (titleConfig.title || "").trim()
-  if (!rawTitle) return null
-
-  // 按 / 或 ／ 分割为多行
-  const lines = rawTitle
+function autoWrapLines(rawTitle: string, maxCharsPerLine: number): string[] {
+  const manual = rawTitle
     .split(/[/／]/)
     .map((l) => l.trim())
     .filter((l) => l.length > 0)
+  if (!maxCharsPerLine || maxCharsPerLine <= 0) return manual
+  const out: string[] = []
+  manual.forEach((seg) => {
+    for (let i = 0; i < seg.length; i += maxCharsPerLine) {
+      out.push(seg.slice(i, i + maxCharsPerLine))
+    }
+  })
+  return out
+}
+
+export function renderTitleToPngDataUrl(opts: RenderTitlePngOptions): string | null {
+  const { titleConfig, videoWidth = 720, videoHeight = 1280, useCoverTitle } = opts
+  if (!titleConfig) return null
+
+  type TitleCfgExt = AiAvatarTitleConfig & {
+    stroke_width?: number
+    stroke_color?: string
+    shadow_offset_x?: number
+    shadow_offset_y?: number
+    shadow_blur?: number
+    shadow_color?: string
+    line_height?: number
+    margin_top?: number
+    max_chars_per_line?: number
+    bg_enabled?: boolean
+    bg_color?: string
+    bg_padding?: number
+    bg_radius?: number
+    line_overrides?: Array<{
+      line_index: number
+      text?: string
+      size?: number
+      color?: string
+      bold?: boolean
+      italic?: boolean
+      stroke?: boolean
+      highlights?: Array<{ word: string; color?: string; bold?: boolean; scale?: number }>
+    }>
+    cover_title_config?: Partial<AiAvatarTitleConfig> | null
+    pos_x?: number
+    pos_y?: number
+  }
+  const cfg: TitleCfgExt =
+    useCoverTitle && titleConfig.cover_title_config
+      ? ({
+          ...(titleConfig as TitleCfgExt),
+          ...(titleConfig.cover_title_config as object),
+        } as TitleCfgExt)
+      : (titleConfig as TitleCfgExt)
+
+  const rawTitle = (cfg.title || "").trim()
+  if (!rawTitle) return null
+
+  const maxCharsPerLine = cfg.max_chars_per_line ?? 0
+  const lines = autoWrapLines(rawTitle, maxCharsPerLine)
   if (lines.length === 0) return null
 
-  // 分辨率缩放系数：基准 720p，所有长度类参数乘以 scale
   const scale = videoWidth / 720
   const r = (v: number) => Math.round(v * scale)
 
@@ -49,86 +90,183 @@ export function renderTitleToPngDataUrl(opts: RenderTitlePngOptions): string | n
   const ctx = canvas.getContext("2d")
   if (!ctx) return null
 
-  const baseSize = Math.max(12, Math.round(titleConfig.size || 48))
+  const baseSize = Math.max(12, Math.round(cfg.size || 48))
   const size = r(baseSize)
-  const bold = !!titleConfig.bold
-  const italic = !!titleConfig.italic
-  const color = titleConfig.color || "#ffffff"
-  const stroke = !!titleConfig.stroke
-  const shadow = !!titleConfig.shadow
+  const bold = !!cfg.bold
+  const italic = !!cfg.italic
+  const color = cfg.color || "#ffffff"
+  const stroke = !!cfg.stroke
+  const shadow = !!cfg.shadow
 
-  // 字体族 fallback 链：优先中文字体
-  const fontFamily =
-    '"Noto Sans CJK SC","Source Han Sans CN","PingFang SC","Microsoft YaHei",sans-serif'
-  const fontParts: string[] = []
-  if (italic) fontParts.push("italic")
-  if (bold) fontParts.push("bold")
-  fontParts.push(`${size}px`, fontFamily)
-  ctx.font = fontParts.join(" ")
+  const strokeWidthBase = cfg.stroke_width != null ? cfg.stroke_width : 4
+  const strokeColor = cfg.stroke_color || "#000000"
+  const shadowOffsetXBase = cfg.shadow_offset_x != null ? cfg.shadow_offset_x : 2
+  const shadowOffsetYBase = cfg.shadow_offset_y != null ? cfg.shadow_offset_y : 2
+  const shadowBlurBase = cfg.shadow_blur != null ? cfg.shadow_blur : 4
+  const shadowColor = cfg.shadow_color || "rgba(0,0,0,0.8)"
+  const lineHeightScale = cfg.line_height != null ? cfg.line_height : 1.2
+  const marginTopBase = cfg.margin_top != null ? cfg.margin_top : 24
+  const bgEnabled = !!cfg.bg_enabled
+  const bgColor = cfg.bg_color || "rgba(0,0,0,0.5)"
+  const bgPaddingBase = cfg.bg_padding != null ? cfg.bg_padding : 12
+  const bgRadiusBase = cfg.bg_radius != null ? cfg.bg_radius : 8
+
+  const fontKey = cfg.font || "思源黑体"
+  const fontFamily = getFontFamily(fontKey)
+  const setFont = (sz: number, bd: boolean, it: boolean) => {
+    const parts: string[] = []
+    if (it) parts.push("italic")
+    if (bd) parts.push("bold")
+    parts.push(`${sz}px`, fontFamily)
+    ctx.font = parts.join(" ")
+  }
+  setFont(size, bold, italic)
   ctx.fillStyle = color
   ctx.textAlign = "center"
   ctx.textBaseline = "middle"
 
-  // 阴影（shadow=true 时开启）——按 scale 缩放
-  if (shadow) {
-    ctx.shadowColor = "rgba(0,0,0,0.8)"
-    ctx.shadowBlur = r(4)
-    ctx.shadowOffsetX = 0
-    ctx.shadowOffsetY = r(2)
-  }
+  const lineGap = size * lineHeightScale
+  const totalTextH = lines.length * lineGap - (lineGap - size)
+  let maxLineW = 0
+  lines.forEach((l: string) => {
+    const m = ctx.measureText(l).width
+    if (m > maxLineW) maxLineW = m
+  })
 
-  // 位置计算：与 PanelLipsyncPreview 的 CSS 对齐（按 scale 缩放 PAD）
   const PAD = r(16)
   let centerX = videoWidth / 2
-  const position = titleConfig.position || "bottom"
-  const lineGap = size * 1.2
-  const totalTextH = lines.length * lineGap - (lineGap - size) // 所有行的总高度
-  // 文本块顶部 y（textBaseline=middle 时首行基线）
+  const position = cfg.position || "bottom"
   let firstLineY: number
-  if (
-    position === "custom" &&
-    typeof titleConfig.pos_x === "number" &&
-    typeof titleConfig.pos_y === "number"
-  ) {
-    centerX = (Math.max(0, Math.min(100, titleConfig.pos_x)) / 100) * videoWidth
-    const centerY = (Math.max(0, Math.min(100, titleConfig.pos_y)) / 100) * videoHeight
+  if (position === "custom" && typeof cfg.pos_x === "number" && typeof cfg.pos_y === "number") {
+    centerX = (Math.max(0, Math.min(100, cfg.pos_x)) / 100) * videoWidth
+    const centerY = (Math.max(0, Math.min(100, cfg.pos_y)) / 100) * videoHeight
     firstLineY = centerY - totalTextH / 2 + size / 2
   } else if (position === "top") {
-    // 顶部：y = size/2 + PAD
-    firstLineY = size / 2 + PAD
+    firstLineY = size / 2 + PAD + r(marginTopBase)
   } else if (position === "center") {
     firstLineY = videoHeight / 2 - totalTextH / 2 + size / 2
   } else {
-    // bottom（默认）
     firstLineY = videoHeight - totalTextH - PAD + size / 2
   }
 
-  // 描边参数：描边 lineWidth 按 scale 缩放（基准 size * 0.06，最小 2px @720p）
-  const doStroke = stroke
-  const strokeWidth = Math.max(r(2), Math.round(size * 0.06))
-  // 逐行绘制
-  lines.forEach((line, idx) => {
+  if (shadow) {
+    ctx.shadowColor = shadowColor
+    ctx.shadowBlur = r(shadowBlurBase)
+    ctx.shadowOffsetX = r(shadowOffsetXBase)
+    ctx.shadowOffsetY = r(shadowOffsetYBase)
+  } else {
+    ctx.shadowColor = "rgba(0,0,0,0)"
+    ctx.shadowBlur = 0
+    ctx.shadowOffsetX = 0
+    ctx.shadowOffsetY = 0
+  }
+
+  const bgPad = r(bgPaddingBase)
+  const bgR = r(bgRadiusBase)
+  const bgW = maxLineW + bgPad * 2
+  const bgH = totalTextH + bgPad * 2
+  const bgX = centerX - bgW / 2
+  const bgY = firstLineY - size / 2 - bgPad
+
+  if (bgEnabled) {
+    ctx.save()
+    ctx.shadowColor = "rgba(0,0,0,0)"
+    ctx.shadowBlur = 0
+    ctx.shadowOffsetX = 0
+    ctx.shadowOffsetY = 0
+    ctx.fillStyle = bgColor
+    if (
+      bgR > 0 &&
+      (
+        ctx as CanvasRenderingContext2D & {
+          roundRect?: (x: number, y: number, w: number, h: number, r: number) => void
+        }
+      ).roundRect
+    ) {
+      ;(
+        ctx as CanvasRenderingContext2D & {
+          roundRect?: (x: number, y: number, w: number, h: number, r: number) => void
+        }
+      ).roundRect(bgX, bgY, bgW, bgH, bgR)
+      ctx.fill()
+    } else {
+      ctx.fillRect(bgX, bgY, bgW, bgH)
+    }
+    ctx.restore()
+  }
+
+  const sw = stroke ? Math.max(r(1), r(strokeWidthBase)) : 0
+  const lineOverrides = cfg.line_overrides || []
+  lines.forEach((line: string, idx: number) => {
     const y = firstLineY + idx * lineGap
-    if (doStroke) {
-      const prevShadowColor = ctx.shadowColor
-      const prevShadowBlur = ctx.shadowBlur
-      // 描边不要带阴影（避免黑色描边发虚）
+    const override = lineOverrides.find((lo) => lo.line_index === idx)
+    const lineSize = override?.size ? r(Math.max(12, Math.round(override.size))) : size
+    const lineColor = override?.color || color
+    const lineBold = override?.bold != null ? !!override.bold : bold
+    const lineItalic = override?.italic != null ? !!override.italic : italic
+    const lineStroke = override?.stroke != null ? !!override.stroke : stroke
+
+    setFont(lineSize, lineBold, lineItalic)
+    ctx.fillStyle = lineColor
+
+    if (shadow) {
+      ctx.shadowColor = shadowColor
+      ctx.shadowBlur = r(shadowBlurBase)
+      ctx.shadowOffsetX = r(shadowOffsetXBase)
+      ctx.shadowOffsetY = r(shadowOffsetYBase)
+    } else {
       ctx.shadowColor = "rgba(0,0,0,0)"
       ctx.shadowBlur = 0
-      ctx.lineWidth = strokeWidth
-      ctx.strokeStyle = "#000000"
+      ctx.shadowOffsetX = 0
+      ctx.shadowOffsetY = 0
+    }
+
+    const lineSw = override?.size
+      ? Math.max(r(1), Math.round(lineSize * (strokeWidthBase / baseSize)))
+      : sw
+
+    if (lineStroke && lineSw > 0) {
+      ctx.save()
+      ctx.shadowColor = "rgba(0,0,0,0)"
+      ctx.shadowBlur = 0
+      ctx.shadowOffsetX = 0
+      ctx.shadowOffsetY = 0
+      ctx.lineWidth = lineSw
+      ctx.strokeStyle = strokeColor
       ctx.lineJoin = "round"
       ctx.strokeText(line, centerX, y)
-      // 恢复阴影
-      if (shadow) {
-        ctx.shadowColor = "rgba(0,0,0,0.8)"
-        ctx.shadowBlur = r(4)
-      } else {
-        ctx.shadowColor = prevShadowColor
-        ctx.shadowBlur = prevShadowBlur
-      }
+      ctx.restore()
     }
+
     ctx.fillText(line, centerX, y)
+
+    if (override?.highlights?.length) {
+      const fullW = ctx.measureText(line).width
+      const charW = line.length > 0 ? fullW / line.length : lineSize
+      override.highlights.forEach((hl) => {
+        if (!hl.word) return
+        const pos = line.indexOf(hl.word)
+        if (pos < 0) return
+        const hlX = centerX - fullW / 2 + pos * charW + (charW * hl.word.length) / 2
+        const hlColor = hl.color || "#ffd700"
+        const hlScale = hl.scale || 1
+        const hlSize = lineSize * hlScale
+        const hlBold = hl.bold != null ? !!hl.bold : true
+        ctx.save()
+        ctx.shadowColor = "rgba(0,0,0,0)"
+        ctx.shadowBlur = 0
+        setFont(hlSize, hlBold, lineItalic)
+        ctx.fillStyle = hlColor
+        if (lineStroke && lineSw > 0) {
+          ctx.lineWidth = Math.max(r(1), Math.round(hlSize * (strokeWidthBase / baseSize)))
+          ctx.strokeStyle = strokeColor
+          ctx.lineJoin = "round"
+          ctx.strokeText(hl.word, hlX, y)
+        }
+        ctx.fillText(hl.word, hlX, y)
+        ctx.restore()
+      })
+    }
   })
 
   try {
@@ -138,9 +276,6 @@ export function renderTitleToPngDataUrl(opts: RenderTitlePngOptions): string | n
   }
 }
 
-/**
- * 获取视频真实分辨率（HTMLVideoElement + loadedmetadata，超时 3 秒兜底 720×1280）。
- */
 export function getVideoResolution(
   videoUrl: string,
   timeoutMs = 3000,

apps/web/src/pages/generate/GeneratePage.tsx

@@ -640,6 +640,7 @@ const GeneratePage: React.FC = () => {
             onToggleStroke={styleUpdaters.toggleStroke}
             onToggleShadow={styleUpdaters.toggleShadow}
             onApplyPreset={styleUpdaters.applyPreset}
+            onUpdateStyle={styleUpdaters.updateStyle}
             activePreset={styleUpdaters.activePreset}
             titlePresets={styleUpdaters.titlePresets}
             bgm={bgm}

apps/web/src/pages/generate/components/GenerateStepContent.tsx

@@ -51,8 +51,14 @@ export interface GenerateStepContentProps {
   onToggleStroke: () => void
   onToggleShadow: () => void
   onApplyPreset: (presetKey: string) => void
+  onUpdateStyle?: (patch: Partial<TitleSettings>) => void
   activePreset: string | null
-  titlePresets: { key: string; label: string; previewStyle: React.CSSProperties }[]
+  titlePresets: Array<{
+    key: string
+    label: string
+    emoji?: string
+    style: Record<string, unknown>
+  }>
   /* ── 封面 ── */
   coverSettings: CoverConfig
   onCoverSettingsChange: (settings: CoverConfig) => void
@@ -119,6 +125,7 @@ export const GenerateStepContent: React.FC<GenerateStepContentProps> = (props) =
     onToggleStroke,
     onToggleShadow,
     onApplyPreset,
+    onUpdateStyle,
     activePreset,
     titlePresets,
     coverSettings,
@@ -191,6 +198,7 @@ export const GenerateStepContent: React.FC<GenerateStepContentProps> = (props) =
           onToggleStroke={onToggleStroke}
           onToggleShadow={onToggleShadow}
           onApplyPreset={onApplyPreset}
+          onUpdateStyle={onUpdateStyle}
           activePreset={activePreset}
           titlePresets={titlePresets}
           previewCount={previewCount}

apps/web/src/pages/generate/components/Step4TitleSettings.tsx

@@ -12,7 +12,8 @@ import React, { useMemo, useState } from "react"
 import { Input, message } from "antd"
 import { LoadingOutlined } from "@ant-design/icons"
 import type { TitleSettings } from "../types"
-import { POSITION_OPTIONS, FONT_OPTIONS } from "../constants"
+import { POSITION_OPTIONS } from "../constants"
+import { FONT_OPTIONS } from "@/components/title/constants"
 import { useStep4Title } from "../hooks/useStep4Title"
 import AiTitleGenerator from "./title/AiTitleGenerator"
 import TitleLibraryAutoComplete from "./title/TitleLibraryAutoComplete"
@@ -33,8 +34,15 @@ interface Step4TitleSettingsProps {
   onToggleStroke: () => void
   onToggleShadow: () => void
   onApplyPreset: (presetKey: string) => void
+  onUpdateStyle?: (patch: Partial<TitleSettings>) => void
   activePreset: string | null
-  titlePresets: { key: string; label: string; previewStyle: React.CSSProperties }[]
+  titlePresets: Array<{
+    key: string
+    label: string
+    emoji?: string
+    style?: Record<string, unknown>
+    previewStyle?: React.CSSProperties
+  }>
   /* ── 批量生成（#1677）── */
   /** 生成数量 */
   previewCount?: number
@@ -84,6 +92,7 @@ const Step4TitleSettings: React.FC<Step4TitleSettingsProps> = (props) => {
     onToggleStroke,
     onToggleShadow,
     onApplyPreset,
+    onUpdateStyle,
     activePreset,
     titlePresets,
     previewCount = 1,
@@ -285,6 +294,8 @@ const Step4TitleSettings: React.FC<Step4TitleSettingsProps> = (props) => {
         onToggleStroke={onToggleStroke}
         onToggleShadow={onToggleShadow}
         onApplyPreset={onApplyPreset}
+        onUpdateStyle={onUpdateStyle}
+        showCoverToggle
         activePreset={activePreset}
         titlePresets={titlePresets}
         POSITION_OPTIONS={POSITION_OPTIONS}

apps/web/src/pages/generate/components/title/TitleMiniPreview.tsx

@@ -0,0 +1,221 @@
+/**
+ * 标题迷你 Canvas 预览（#2001）
+ *
+ * 渲染一张指定宽度的小 Canvas 预览标题效果，用于：
+ * - 预设卡片缩略图
+ * - 样式面板顶部的实时预览
+ *
+ * 与 titleCanvas.ts 渲染逻辑保持一致，但：
+ * - 固定分辨率（width × 宽高比约 2:1）
+ * - 不调用 ffmpeg，只做视觉预览
+ * - 支持背景色块、描边宽度/颜色、阴影参数化、行距、自动换行
+ */
+import React, { useEffect, useRef } from "react"
+import type { TitleSettings } from "../../types"
+import { getFontFamily } from "../../constants"
+
+interface Props {
+  settings: TitleSettings
+  width?: number
+  sampleText?: string
+  /** 背景（预览用，默认深色渐变模拟视频底） */
+  background?: string
+  /** 高度（可选，默认 width/2） */
+  height?: number
+}
+
+/** 按 maxCharsPerLine 自动换行 */
+function wrapLines(text: string, maxChars: number): string[] {
+  const manual = text
+    .split(/[/／\n]/)
+    .map((l) => l.trim())
+    .filter(Boolean)
+  if (!maxChars || maxChars <= 0) return manual
+  const out: string[] = []
+  for (const line of manual) {
+    if (line.length <= maxChars) {
+      out.push(line)
+      continue
+    }
+    let cur = ""
+    for (const ch of line) {
+      cur += ch
+      if (cur.length >= maxChars) {
+        out.push(cur)
+        cur = ""
+      }
+    }
+    if (cur) out.push(cur)
+  }
+  return out
+}
+
+const TitleMiniPreview: React.FC<Props> = ({
+  settings,
+  width = 200,
+  sampleText,
+  background = "linear-gradient(135deg,#1f2937,#111827)",
+  height,
+}) => {
+  const canvasRef = useRef<HTMLCanvasElement>(null)
+  const h = height ?? Math.round(width / 1.8)
+  const text = (sampleText || settings.title || "预览标题").trim() || "预览标题"
+
+  useEffect(() => {
+    const cvs = canvasRef.current
+    if (!cvs) return
+    const dpr = window.devicePixelRatio || 1
+    cvs.width = width * dpr
+    cvs.height = h * dpr
+    cvs.style.width = `${width}px`
+    cvs.style.height = `${h}px`
+    const ctx = cvs.getContext("2d")
+    if (!ctx) return
+    ctx.scale(dpr, dpr)
+    ctx.clearRect(0, 0, width, h)
+
+    // 背景
+    ctx.fillStyle = "#111827"
+    ctx.fillRect(0, 0, width, h)
+
+    // 分辨率缩放：以 360 宽为基准（对应 720p 的一半）
+    const scale = width / 360
+    const r = (v: number) => Math.round(v * scale)
+
+    // 字体
+    const size = r(settings.size)
+    const ff = getFontFamily(settings.font)
+    const parts: string[] = []
+    if (settings.italic) parts.push("italic")
+    if (settings.bold) parts.push("bold")
+    parts.push(`${size}px`, ff)
+    ctx.font = parts.join(" ")
+    ctx.textAlign = "center"
+    ctx.textBaseline = "middle"
+    ctx.fillStyle = settings.color
+    ctx.lineJoin = "round"
+
+    // 阴影
+    const shadowEnabled = !!settings.shadow
+    const prevShadow = {
+      c: ctx.shadowColor,
+      b: ctx.shadowBlur,
+      ox: ctx.shadowOffsetX,
+      oy: ctx.shadowOffsetY,
+    }
+    if (shadowEnabled) {
+      ctx.shadowColor = settings.shadowColor ?? "rgba(0,0,0,0.8)"
+      ctx.shadowBlur = r(settings.shadowBlur ?? 4)
+      ctx.shadowOffsetX = r(settings.shadowOffsetX ?? 2)
+      ctx.shadowOffsetY = r(settings.shadowOffsetY ?? 2)
+    }
+
+    // 换行
+    const lines = wrapLines(text, settings.maxCharsPerLine ?? 0)
+    const lineH = size * (settings.lineHeight ?? 1.2)
+    const totalH = lines.length * lineH
+    let startY: number
+    if (settings.position === "top") {
+      startY = size / 2 + r(settings.marginTop ?? 24)
+    } else if (settings.position === "center") {
+      startY = h / 2 - totalH / 2 + size / 2
+    } else {
+      // bottom
+      startY = h - totalH - r(16) + size / 2
+    }
+    let centerX = width / 2
+    if (settings.position === "custom" && settings.posX != null) {
+      centerX = (settings.posX / 100) * width
+    }
+
+    // 背景块
+    if (settings.bgEnabled) {
+      const pad = r(settings.bgPadding ?? 12)
+      const rad = r(settings.bgRadius ?? 8)
+      let maxLineW = 0
+      for (const l of lines) {
+        const m = ctx.measureText(l)
+        if (m.width > maxLineW) maxLineW = m.width
+      }
+      const bw = maxLineW + pad * 2
+      const bh = totalH + pad * 2
+      const bx = centerX - bw / 2
+      const by = startY - size / 2 - pad + (size - lineH) / 2
+      ctx.shadowColor = "rgba(0,0,0,0)"
+      ctx.shadowBlur = 0
+      ctx.fillStyle = settings.bgColor ?? "rgba(0,0,0,0.5)"
+      roundRect(ctx, bx, by, bw, bh, rad)
+      ctx.fill()
+      // 恢复阴影
+      if (shadowEnabled) {
+        ctx.shadowColor = settings.shadowColor ?? "rgba(0,0,0,0.8)"
+        ctx.shadowBlur = r(settings.shadowBlur ?? 4)
+        ctx.shadowOffsetX = r(settings.shadowOffsetX ?? 2)
+        ctx.shadowOffsetY = r(settings.shadowOffsetY ?? 2)
+      }
+    }
+
+    // 描边（先画，再画填充）
+    const strokeEnabled = !!settings.stroke && (settings.strokeWidth ?? 0) > 0
+    lines.forEach((line, i) => {
+      const y = startY + i * lineH
+      if (strokeEnabled) {
+        ctx.shadowColor = "rgba(0,0,0,0)"
+        ctx.shadowBlur = 0
+        ctx.lineWidth = r(settings.strokeWidth ?? 4)
+        ctx.strokeStyle = settings.strokeColor ?? "#000000"
+        ctx.strokeText(line, centerX, y)
+        // 恢复阴影
+        if (shadowEnabled) {
+          ctx.shadowColor = settings.shadowColor ?? "rgba(0,0,0,0.8)"
+          ctx.shadowBlur = r(settings.shadowBlur ?? 4)
+          ctx.shadowOffsetX = r(settings.shadowOffsetX ?? 2)
+          ctx.shadowOffsetY = r(settings.shadowOffsetY ?? 2)
+        }
+      }
+      ctx.fillText(line, centerX, y)
+    })
+
+    // 恢复
+    ctx.shadowColor = prevShadow.c
+    ctx.shadowBlur = prevShadow.b
+    ctx.shadowOffsetX = prevShadow.ox
+    ctx.shadowOffsetY = prevShadow.oy
+  }, [settings, width, h, text])
+
+  return (
+    <canvas
+      ref={canvasRef}
+      style={{
+        borderRadius: 6,
+        display: "block",
+        maxWidth: "100%",
+        background,
+      }}
+    />
+  )
+}
+
+function roundRect(
+  ctx: CanvasRenderingContext2D,
+  x: number,
+  y: number,
+  w: number,
+  h: number,
+  r: number,
+) {
+  const rr = Math.min(r, w / 2, h / 2)
+  ctx.beginPath()
+  ctx.moveTo(x + rr, y)
+  ctx.lineTo(x + w - rr, y)
+  ctx.quadraticCurveTo(x + w, y, x + w, y + rr)
+  ctx.lineTo(x + w, y + h - rr)
+  ctx.quadraticCurveTo(x + w, y + h, x + w - rr, y + h)
+  ctx.lineTo(x + rr, y + h)
+  ctx.quadraticCurveTo(x, y + h, x, y + h - rr)
+  ctx.lineTo(x, y + rr)
+  ctx.quadraticCurveTo(x, y, x + rr, y)
+  ctx.closePath()
+}
+
+export default TitleMiniPreview

apps/web/src/pages/generate/components/title/TitleStylePanel.css

@@ -190,3 +190,255 @@
   border-color: var(--primary-color);
   color: #fff;
 }
+
+/* ============================================================
+   #2001 爆款标题样式面板升级 — 新增样式（ts- 前缀）
+   ============================================================ */
+
+.ts-panel {
+  position: relative;
+}
+
+/* 预览 */
+.ts-preview-wrap {
+  margin-bottom: 14px;
+  display: flex;
+  justify-content: center;
+  padding: 10px;
+  background: #0f172a;
+  border-radius: 8px;
+}
+
+/* 表单字段 */
+.ts-form-field {
+  margin-bottom: 12px;
+}
+.ts-form-field label {
+  display: block;
+  font-weight: 600;
+  margin-bottom: 6px;
+  font-size: 12px;
+  color: var(--text-primary, #1f2937);
+}
+.ts-field-label-row {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 6px;
+}
+.ts-field-value {
+  font-size: 12px;
+  font-weight: 600;
+  color: var(--primary-color, #7c3aed);
+}
+.ts-row-2 {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 10px;
+}
+.ts-half {
+  margin-bottom: 0;
+}
+
+.ts-select {
+  width: 100%;
+  height: 34px;
+  border: 1px solid var(--border-color, #e5e7eb);
+  border-radius: 6px;
+  background: var(--bg-primary, #fff);
+  padding: 0 10px;
+  font-size: 13px;
+  outline: 0;
+  color: var(--text-primary, #1f2937);
+}
+.ts-select:focus {
+  border-color: var(--primary-color, #7c3aed);
+  box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.1);
+}
+.ts-input {
+  width: 100%;
+  height: 34px;
+  border: 1px solid var(--border-color, #e5e7eb);
+  border-radius: 6px;
+  padding: 0 10px;
+  font-size: 13px;
+  outline: 0;
+}
+
+.ts-slider {
+  width: 100%;
+  height: 4px;
+  -webkit-appearance: none;
+  appearance: none;
+  background: #e5e7eb;
+  border-radius: 2px;
+  outline: none;
+}
+.ts-slider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  appearance: none;
+  width: 16px;
+  height: 16px;
+  border-radius: 50%;
+  background: #7c3aed;
+  cursor: pointer;
+  border: 2px solid #fff;
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
+}
+.ts-slider::-moz-range-thumb {
+  width: 16px;
+  height: 16px;
+  border-radius: 50%;
+  background: #7c3aed;
+  cursor: pointer;
+  border: 2px solid #fff;
+}
+
+/* 样式按钮 B/I/S/☁ */
+.ts-style-btns {
+  display: flex;
+  gap: 6px;
+}
+.ts-style-btn {
+  width: 34px;
+  height: 34px;
+  border-radius: 6px;
+  border: 1px solid #e5e7eb;
+  background: #fff;
+  cursor: pointer;
+  font-size: 14px;
+  transition: 0.15s;
+  color: #374151;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+}
+.ts-style-btn:hover {
+  border-color: #7c3aed;
+  color: #7c3aed;
+}
+.ts-style-btn.active {
+  background: #faf5ff;
+  color: #6d28d9;
+  border-color: #7c3aed;
+  font-weight: 700;
+}
+
+/* 色板 */
+.ts-color-row {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 6px;
+  align-items: center;
+}
+.ts-color-swatch {
+  width: 24px;
+  height: 24px;
+  border-radius: 4px;
+  border: 2px solid #fff;
+  box-shadow: 0 0 0 1px #e5e7eb;
+  cursor: pointer;
+  padding: 0;
+  transition: 0.15s;
+}
+.ts-color-swatch:hover {
+  transform: scale(1.1);
+}
+.ts-color-swatch.active {
+  box-shadow: 0 0 0 2px #7c3aed;
+  transform: scale(1.1);
+}
+.ts-color-custom {
+  background: repeating-conic-gradient(#ccc 0% 25%, #fff 0% 50%) 50%/8px 8px;
+  color: #666;
+  font-size: 14px;
+  line-height: 20px;
+}
+.ts-color-native {
+  width: 0;
+  height: 0;
+  border: 0;
+  padding: 0;
+}
+
+/* 预设网格 10个 - 5列 */
+.ts-presets-grid {
+  display: grid;
+  grid-template-columns: repeat(5, 1fr);
+  gap: 6px;
+}
+.ts-preset-card {
+  border: 1px solid #e5e7eb;
+  border-radius: 6px;
+  background: #fff;
+  padding: 4px;
+  cursor: pointer;
+  transition: 0.15s;
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+}
+.ts-preset-card:hover {
+  border-color: #7c3aed;
+}
+.ts-preset-card.active {
+  border-color: #7c3aed;
+  background: #faf5ff;
+  box-shadow: 0 0 0 1px #7c3aed;
+}
+.ts-preset-preview {
+  height: 34px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  overflow: hidden;
+  border-radius: 4px;
+  background: #0f172a;
+}
+.ts-preset-preview canvas {
+  max-width: 100%;
+  max-height: 100%;
+}
+.ts-preset-meta {
+  display: flex;
+  align-items: center;
+  gap: 2px;
+  font-size: 10px;
+  color: #4b5563;
+  justify-content: center;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  padding: 0 2px 2px;
+}
+.ts-preset-emoji {
+  font-size: 11px;
+}
+.ts-preset-label {
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.ts-toggle-row label {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  font-size: 13px;
+  font-weight: 500;
+  cursor: pointer;
+  margin-bottom: 10px;
+}
+.ts-toggle-row input[type="checkbox"] {
+  width: 16px;
+  height: 16px;
+  accent-color: #7c3aed;
+}
+
+/* Tabs 紧凑样式 */
+.xx-title-style-section .ant-tabs-nav {
+  margin-bottom: 10px;
+}
+.xx-title-style-section .ant-tabs-tab {
+  font-size: 12px !important;
+  padding: 6px 8px !important;
+}

apps/web/src/pages/generate/components/title/TitleStylePanel.tsx

@@ -1,12 +1,26 @@
 /**
- * 标题样式设置区
- * 位置/字体/字号/样式按钮/预设
+ * 标题样式设置面板（#2001 升级）
+ *
+ * P0：描边宽度滑块 / 描边颜色选择器 / 每行最大字符数 / 行距+顶部边距 /
+ *     4款爆款字体 / 抖音爆款黄预设
+ * P1：阴影参数化 / 背景色块 / Canvas 实时迷你预览 /
+ *     封面独立标题配置入口
+ *
+ * 向后兼容：旧的 onToggleBold/Italic/Stroke/Shadow/onUpdatePosition/onUpdateFont/
+ * onUpdateSize/onApplyPreset props 全部保留；新增字段通过 onUpdateStyle 统一回写。
  */
-import React from "react"
+import React, { useState } from "react"
+import { Tabs } from "antd"
 import type { TitleSettings } from "../../types"
-import TitlePresetsGrid from "./TitlePresetsGrid"
-// 标题样式面板共用样式（#1809 ⑦）：智能剪辑与 AI数字人复用同一组件，
-// 由组件自带样式，避免 AI数字人页面重复引入整个 generate.css
+import {
+  FONT_OPTIONS as NEW_FONT_OPTIONS,
+  TITLE_PRESETS,
+  TITLE_COLOR_PALETTE,
+  STROKE_COLOR_PALETTE,
+  BG_COLOR_PALETTE,
+} from "@/components/title/constants"
+
+import TitleMiniPreview from "./TitleMiniPreview"
 import "./TitleStylePanel.css"
 
 interface PositionOption {
@@ -14,14 +28,17 @@ interface PositionOption {
   label: string
 }
 
-interface TitlePresetItem {
+interface LegacyPreset {
   key: string
   label: string
-  previewStyle: React.CSSProperties
+  emoji?: string
+  style?: Record<string, unknown>
+  previewStyle?: React.CSSProperties
 }
 
 interface TitleStylePanelProps {
   settings: TitleSettings
+  /* 旧 props（兼容） */
   onUpdatePosition: (position: string) => void
   onUpdateFont: (font: string) => void
   onUpdateSize: (size: number) => void
@@ -31,9 +48,130 @@ interface TitleStylePanelProps {
   onToggleShadow: () => void
   onApplyPreset: (presetKey: string) => void
   activePreset: string | null
-  titlePresets: TitlePresetItem[]
+  titlePresets: LegacyPreset[]
   POSITION_OPTIONS: PositionOption[]
-  FONT_OPTIONS: string[]
+  FONT_OPTIONS?: Array<{ value: string; label: string; family?: string; tag?: string }>
+  /* 新增：统一字段更新 */
+  onUpdateStyle?: (patch: Partial<TitleSettings>) => void
+  /* 是否显示封面独立标题切换 */
+  showCoverToggle?: boolean
+  /** 画布预览宽度（默认 200） */
+  previewWidth?: number
+}
+
+/* ── 通用 Slider + Label 行 ── */
+const SliderRow: React.FC<{
+  label: string
+  value: number
+  min: number
+  max: number
+  step?: number
+  unit?: string
+  onChange: (v: number) => void
+}> = ({ label, value, min, max, step = 1, unit = "px", onChange }) => (
+  <div className="ts-form-field">
+    <div className="ts-field-label-row">
+      <label>{label}</label>
+      <span className="ts-field-value">
+        {value}
+        {unit}
+      </span>
+    </div>
+    <input
+      type="range"
+      className="ts-slider"
+      min={min}
+      max={max}
+      step={step}
+      value={value}
+      onChange={(e) => onChange(Number(e.target.value))}
+    />
+  </div>
+)
+
+/* ── 色板 + 自定义颜色选择 ── */
+const ColorPicker: React.FC<{
+  label?: string
+  value: string
+  palette: string[]
+  onChange: (c: string) => void
+}> = ({ label, value, palette, onChange }) => {
+  const [customOpen, setCustomOpen] = useState(false)
+  return (
+    <div className="ts-form-field">
+      {label && <label>{label}</label>}
+      <div className="ts-color-row">
+        {palette.map((c) => (
+          <button
+            key={c}
+            type="button"
+            className={`ts-color-swatch${value.toLowerCase() === c.toLowerCase() ? " active" : ""}`}
+            style={{ background: c }}
+            onClick={() => onChange(c)}
+            title={c}
+          />
+        ))}
+        <button
+          type="button"
+          className="ts-color-swatch ts-color-custom"
+          onClick={() => setCustomOpen((v) => !v)}
+          title="自定义颜色"
+        >
+          +
+        </button>
+        <input
+          type="color"
+          className="ts-color-native"
+          value={value.startsWith("rgba") ? "#000000" : value}
+          onChange={(e) => onChange(e.target.value)}
+          style={{
+            opacity: customOpen ? 1 : 0,
+            position: customOpen ? "static" : "absolute",
+            pointerEvents: customOpen ? "auto" : "none",
+            width: 0,
+            height: 0,
+          }}
+        />
+      </div>
+      <div style={{ fontSize: 11, color: "#9ca3af", marginTop: 2 }}>
+        当前：<code style={{ fontSize: 11 }}>{value}</code>
+      </div>
+    </div>
+  )
+}
+
+/* ── 预设网格（含爆款黄，10 个 + 迷你 Canvas 缩略） ── */
+const PresetGrid: React.FC<{
+  activePreset: string | null
+  onApply: (key: string) => void
+  settings: TitleSettings
+}> = ({ activePreset, onApply, settings }) => {
+  return (
+    <div className="ts-presets-grid">
+      {TITLE_PRESETS.map((p) => {
+        const isActive = activePreset === p.key
+        // 合并当前 style 与 preset.style 用于预览（仅预览时覆盖）
+        const previewStyle: TitleSettings = { ...settings, ...(p.style as Partial<TitleSettings>) }
+        return (
+          <button
+            key={p.key}
+            type="button"
+            className={`ts-preset-card${isActive ? " active" : ""}`}
+            onClick={() => onApply(p.key)}
+            title={p.label}
+          >
+            <div className="ts-preset-preview">
+              <TitleMiniPreview settings={previewStyle} width={100} sampleText="标题" />
+            </div>
+            <div className="ts-preset-meta">
+              <span className="ts-preset-emoji">{p.emoji}</span>
+              <span className="ts-preset-label">{p.label}</span>
+            </div>
+          </button>
+        )
+      })}
+    </div>
+  )
 }
 
 const TitleStylePanel: React.FC<TitleStylePanelProps> = ({
@@ -47,107 +185,352 @@ const TitleStylePanel: React.FC<TitleStylePanelProps> = ({
   onToggleShadow,
   onApplyPreset,
   activePreset,
-  titlePresets,
+  titlePresets: _titlePresets,
   POSITION_OPTIONS,
-  FONT_OPTIONS,
+  showCoverToggle = false,
+  previewWidth = 220,
+  onUpdateStyle,
 }) => {
+  const upd = (patch: Partial<TitleSettings>) => {
+    onUpdateStyle?.(patch)
+  }
+
+  /* 封面独立标题切换 */
+  const [coverOpen, setCoverOpen] = useState(!!settings.coverTitle)
+
   return (
-    <div className="xx-title-style-section">
-      <h4 className="xx-section-subtitle">标题样式</h4>
-
-      {/* 位置 + 字体 一行 */}
-      <div className="xx-title-style-row">
-        <div className="xx-form-field xx-half-field">
-          <label>位置</label>
-          <select
-            className="xx-form-select"
-            value={settings.position}
-            onChange={(e) => onUpdatePosition(e.target.value)}
-          >
-            {POSITION_OPTIONS.map((opt) => (
-              <option key={opt.value} value={opt.value}>
-                {opt.label}
-              </option>
-            ))}
-          </select>
-        </div>
-        <div className="xx-form-field xx-half-field">
-          <label>字体</label>
-          <select
-            className="xx-form-select"
-            value={settings.font}
-            onChange={(e) => onUpdateFont(e.target.value)}
-          >
-            {FONT_OPTIONS.map((f) => (
-              <option key={f} value={f}>
-                {f}
-              </option>
-            ))}
-          </select>
-        </div>
-      </div>
-
-      {/* 字号滑块 */}
-      <div className="xx-form-field">
-        <div className="xx-field-label-row">
-          <label>字号</label>
-          <span className="xx-field-value">{settings.size}px</span>
-        </div>
-        <input
-          className="xx-slider"
-          type="range"
-          min={12}
-          max={128}
-          value={settings.size}
-          onChange={(e) => onUpdateSize(Number(e.target.value))}
+    <div className="xx-title-style-section ts-panel">
+      {/* 实时迷你预览 */}
+      <div className="ts-preview-wrap">
+        <TitleMiniPreview
+          settings={settings}
+          width={previewWidth}
+          sampleText={settings.title || "预览标题文字"}
         />
       </div>
 
-      {/* 预设样式 */}
-      <div className="xx-form-field">
-        <label>预设样式</label>
-        <TitlePresetsGrid
-          presets={titlePresets}
-          activePreset={activePreset}
-          onApply={onApplyPreset}
-          fontFamily={settings.font}
-        />
+      {/* 预设样式（10个，含抖音爆款黄） */}
+      <div className="ts-form-field">
+        <label>爆款预设</label>
+        <PresetGrid activePreset={activePreset} onApply={onApplyPreset} settings={settings} />
       </div>
 
-      {/* 样式按钮：粗体/斜体/描边/阴影 */}
-      <div className="xx-form-field">
-        <label>样式</label>
-        <div className="xx-style-btns">
-          <button
-            className={`xx-style-btn ${settings.bold ? "active" : ""}`}
-            onClick={onToggleBold}
-            title="粗体"
-          >
-            <b>B</b>
-          </button>
-          <button
-            className={`xx-style-btn ${settings.italic ? "active" : ""}`}
-            onClick={onToggleItalic}
-            title="斜体"
-          >
-            <i>I</i>
-          </button>
-          <button
-            className={`xx-style-btn ${settings.stroke ? "active" : ""}`}
-            onClick={onToggleStroke}
-            title="描边"
-          >
-            S
-          </button>
-          <button
-            className={`xx-style-btn ${settings.shadow ? "active" : ""}`}
-            onClick={onToggleShadow}
-            title="阴影"
-          >
-            ☁
-          </button>
-        </div>
-      </div>
+      <Tabs
+        size="small"
+        defaultActiveKey="basic"
+        items={[
+          {
+            key: "basic",
+            label: "基础",
+            children: (
+              <>
+                {/* 位置 + 字体 */}
+                <div className="ts-row-2">
+                  <div className="ts-form-field ts-half">
+                    <label>位置</label>
+                    <select
+                      className="ts-select"
+                      value={settings.position}
+                      onChange={(e) => onUpdatePosition(e.target.value)}
+                    >
+                      {POSITION_OPTIONS.map((o) => (
+                        <option key={o.value} value={o.value}>
+                          {o.label}
+                        </option>
+                      ))}
+                    </select>
+                  </div>
+                  <div className="ts-form-field ts-half">
+                    <label>字体</label>
+                    <select
+                      className="ts-select"
+                      value={settings.font}
+                      onChange={(e) => onUpdateFont(e.target.value)}
+                    >
+                      {NEW_FONT_OPTIONS.map((f) => (
+                        <option key={f.value} value={f.value}>
+                          {f.tag === "hot" ? "🔥 " : f.tag === "new" ? "🆕 " : ""}
+                          {f.label}
+                        </option>
+                      ))}
+                    </select>
+                  </div>
+                </div>
+
+                <SliderRow
+                  label="字号"
+                  value={settings.size}
+                  min={16}
+                  max={120}
+                  onChange={onUpdateSize}
+                />
+
+                {/* 样式按钮 */}
+                <div className="ts-form-field">
+                  <label>样式</label>
+                  <div className="ts-style-btns">
+                    <button
+                      type="button"
+                      className={`ts-style-btn${settings.bold ? " active" : ""}`}
+                      onClick={onToggleBold}
+                    >
+                      <b>B</b>
+                    </button>
+                    <button
+                      type="button"
+                      className={`ts-style-btn${settings.italic ? " active" : ""}`}
+                      onClick={onToggleItalic}
+                    >
+                      <i>I</i>
+                    </button>
+                    <button
+                      type="button"
+                      className={`ts-style-btn${settings.stroke ? " active" : ""}`}
+                      onClick={() => {
+                        onToggleStroke()
+                        // 如果之前 strokeWidth 为 0，启用时给个默认值
+                        if (!settings.stroke && (settings.strokeWidth ?? 0) < 2) {
+                          upd({ strokeWidth: 4 })
+                        }
+                      }}
+                      title="描边"
+                    >
+                      S
+                    </button>
+                    <button
+                      type="button"
+                      className={`ts-style-btn${settings.shadow ? " active" : ""}`}
+                      onClick={() => {
+                        onToggleShadow()
+                        if (!settings.shadow) {
+                          upd({
+                            shadowOffsetX: 2,
+                            shadowOffsetY: 2,
+                            shadowBlur: 4,
+                            shadowColor: "rgba(0,0,0,0.8)",
+                          })
+                        }
+                      }}
+                      title="阴影"
+                    >
+                      ☁
+                    </button>
+                  </div>
+                </div>
+
+                {/* 字色 */}
+                <ColorPicker
+                  label="字色"
+                  value={settings.color}
+                  palette={TITLE_COLOR_PALETTE}
+                  onChange={(c) => upd({ color: c })}
+                />
+              </>
+            ),
+          },
+          {
+            key: "stroke",
+            label: "描边",
+            children: (
+              <>
+                <div className="ts-toggle-row">
+                  <label>
+                    <input type="checkbox" checked={settings.stroke} onChange={onToggleStroke} />
+                    启用描边
+                  </label>
+                </div>
+                {settings.stroke && (
+                  <>
+                    <SliderRow
+                      label="描边宽度"
+                      value={settings.strokeWidth ?? 4}
+                      min={0}
+                      max={20}
+                      onChange={(v) => upd({ strokeWidth: v })}
+                    />
+                    <ColorPicker
+                      label="描边颜色"
+                      value={settings.strokeColor ?? "#000000"}
+                      palette={STROKE_COLOR_PALETTE}
+                      onChange={(c) => upd({ strokeColor: c })}
+                    />
+                  </>
+                )}
+              </>
+            ),
+          },
+          {
+            key: "shadow",
+            label: "阴影",
+            children: (
+              <>
+                <div className="ts-toggle-row">
+                  <label>
+                    <input type="checkbox" checked={settings.shadow} onChange={onToggleShadow} />
+                    启用阴影
+                  </label>
+                </div>
+                {settings.shadow && (
+                  <>
+                    <SliderRow
+                      label="X偏移"
+                      value={settings.shadowOffsetX ?? 2}
+                      min={-20}
+                      max={20}
+                      onChange={(v) => upd({ shadowOffsetX: v })}
+                    />
+                    <SliderRow
+                      label="Y偏移"
+                      value={settings.shadowOffsetY ?? 2}
+                      min={-20}
+                      max={20}
+                      onChange={(v) => upd({ shadowOffsetY: v })}
+                    />
+                    <SliderRow
+                      label="模糊半径"
+                      value={settings.shadowBlur ?? 4}
+                      min={0}
+                      max={30}
+                      onChange={(v) => upd({ shadowBlur: v })}
+                    />
+                    <div className="ts-form-field">
+                      <label>阴影颜色</label>
+                      <input
+                        type="text"
+                        className="ts-input"
+                        value={settings.shadowColor ?? "rgba(0,0,0,0.8)"}
+                        onChange={(e) => upd({ shadowColor: e.target.value })}
+                        placeholder="rgba(0,0,0,0.8)"
+                      />
+                    </div>
+                  </>
+                )}
+              </>
+            ),
+          },
+          {
+            key: "bg",
+            label: "背景",
+            children: (
+              <>
+                <div className="ts-toggle-row">
+                  <label>
+                    <input
+                      type="checkbox"
+                      checked={settings.bgEnabled}
+                      onChange={() => upd({ bgEnabled: !settings.bgEnabled })}
+                    />
+                    启用背景色块
+                  </label>
+                </div>
+                {settings.bgEnabled && (
+                  <>
+                    <ColorPicker
+                      label="背景颜色（含透明度）"
+                      value={settings.bgColor}
+                      palette={BG_COLOR_PALETTE}
+                      onChange={(c) => upd({ bgColor: c })}
+                    />
+                    <SliderRow
+                      label="内边距"
+                      value={settings.bgPadding}
+                      min={0}
+                      max={40}
+                      onChange={(v) => upd({ bgPadding: v })}
+                    />
+                    <SliderRow
+                      label="圆角"
+                      value={settings.bgRadius}
+                      min={0}
+                      max={30}
+                      onChange={(v) => upd({ bgRadius: v })}
+                    />
+                  </>
+                )}
+              </>
+            ),
+          },
+          {
+            key: "layout",
+            label: "排版",
+            children: (
+              <>
+                <SliderRow
+                  label="每行最大字符数"
+                  value={settings.maxCharsPerLine ?? 0}
+                  min={0}
+                  max={20}
+                  unit=""
+                  onChange={(v) => upd({ maxCharsPerLine: v })}
+                />
+                <div
+                  className="ts-form-field"
+                  style={{ fontSize: 11, color: "#9ca3af", marginTop: -4 }}
+                >
+                  0 = 不自动换行（按 / 手动分行）
+                </div>
+                <SliderRow
+                  label="行距倍数"
+                  value={Math.round((settings.lineHeight ?? 1.2) * 100) / 100}
+                  min={1}
+                  max={2}
+                  step={0.05}
+                  unit=""
+                  onChange={(v) => upd({ lineHeight: Number(v.toFixed(2)) })}
+                />
+                <SliderRow
+                  label="顶部边距"
+                  value={settings.marginTop ?? 24}
+                  min={0}
+                  max={200}
+                  onChange={(v) => upd({ marginTop: v })}
+                />
+              </>
+            ),
+          },
+          ...(showCoverToggle
+            ? [
+                {
+                  key: "cover",
+                  label: "封面",
+                  children: (
+                    <>
+                      <div className="ts-toggle-row">
+                        <label>
+                          <input
+                            type="checkbox"
+                            checked={coverOpen}
+                            onChange={(e) => {
+                              setCoverOpen(e.target.checked)
+                              if (!e.target.checked) {
+                                upd({ coverTitle: null })
+                              } else {
+                                upd({
+                                  coverTitle: {
+                                    font: settings.font,
+                                    size: Math.round(settings.size * 0.9),
+                                    color: settings.color,
+                                    bold: settings.bold,
+                                  },
+                                })
+                              }
+                            }}
+                          />
+                          封面使用独立标题样式
+                        </label>
+                      </div>
+                      {coverOpen && settings.coverTitle && (
+                        <div style={{ fontSize: 12, color: "#6b7280", lineHeight: 1.6 }}>
+                          封面样式已开启。可在「封面设置」面板单独调整封面标题的字体/字号/颜色。
+                        </div>
+                      )}
+                    </>
+                  ),
+                },
+              ]
+            : []),
+        ]}
+      />
     </div>
   )
 }

apps/web/src/pages/generate/constants.ts

@@ -54,11 +54,28 @@ export const POSITION_OPTIONS = [
   { value: "custom", label: "自定义" },
 ]
 
-/* ── 标题字体选项 ── */
-export const FONT_OPTIONS = ["思源黑体", "思源宋体", "苹方", "微软雅黑", "楷体"]
+/* ── 标题字体选项（#2001：新增 4 款爆款字体） ── */
+export const FONT_OPTIONS = [
+  "优设标题黑",
+  "阿里普惠体Bold",
+  "抖音美好体",
+  "思源黑体Heavy",
+  "思源黑体",
+  "思源宋体",
+  "苹方",
+  "微软雅黑",
+  "楷体",
+]
 
 /* ── 标题字体 CSS font-family 映射（中文显示名 → 浏览器可识别的字体栈） ── */
 export const FONT_FAMILY_MAP: Record<string, string> = {
+  优设标题黑:
+    '"YouSheBiaoTiHei","YouShe Title Black","Source Han Sans SC Heavy","Noto Sans SC","PingFang SC",sans-serif',
+  阿里普惠体Bold:
+    '"Alibaba PuHuiTi Bold","Alibaba PuHuiTi","Source Han Sans SC","PingFang SC",sans-serif',
+  抖音美好体: '"Douyin Sans","DouyinSansBold","Source Han Sans SC Heavy","PingFang SC",sans-serif',
+  思源黑体Heavy:
+    '"Source Han Sans SC Heavy","Noto Sans SC Heavy","Source Han Sans CN Heavy","PingFang SC",sans-serif',
   思源黑体: '"Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif',
   思源宋体: '"Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", serif',
   苹方: '"PingFang SC", -apple-system, "Helvetica Neue", sans-serif',

apps/web/src/pages/generate/hooks/useBatchCovers.ts

@@ -30,8 +30,23 @@ interface UseBatchCoversOptions {
     color: string
     position: string
     bold: boolean
+    italic?: boolean
     stroke: boolean
+    strokeWidth?: number
+    strokeColor?: string
     shadow: boolean
+    shadowOffsetX?: number
+    shadowOffsetY?: number
+    shadowBlur?: number
+    shadowColor?: string
+    lineHeight?: number
+    marginTop?: number
+    maxCharsPerLine?: number
+    bgEnabled?: boolean
+    bgColor?: string
+    bgPadding?: number
+    bgRadius?: number
+    lineOverrides?: unknown[]
   }
   covers: string[]
   onCoversChange: CoversChangeFn
@@ -100,8 +115,37 @@ export function useBatchCovers({
                   font_color: titleStyle.color,
                   position: titleStyle.position,
                   bold: titleStyle.bold,
-                  stroke: titleStyle.stroke,
-                  shadow: titleStyle.shadow,
+                  italic: titleStyle.italic,
+                  stroke: titleStyle.stroke
+                    ? {
+                        enabled: true,
+                        width: titleStyle.strokeWidth ?? 4,
+                        color: titleStyle.strokeColor ?? "#000000",
+                      }
+                    : { enabled: false },
+                  shadow: titleStyle.shadow
+                    ? {
+                        enabled: true,
+                        offset_x: titleStyle.shadowOffsetX ?? 2,
+                        offset_y: titleStyle.shadowOffsetY ?? 2,
+                        blur: titleStyle.shadowBlur ?? 4,
+                        color: titleStyle.shadowColor ?? "rgba(0,0,0,0.8)",
+                      }
+                    : { enabled: false },
+                  line_height: titleStyle.lineHeight ?? 1.2,
+                  margin_top: titleStyle.marginTop ?? 24,
+                  max_chars_per_line: titleStyle.maxCharsPerLine ?? 0,
+                  background: titleStyle.bgEnabled
+                    ? {
+                        enabled: true,
+                        color: titleStyle.bgColor,
+                        padding: titleStyle.bgPadding,
+                        radius: titleStyle.bgRadius,
+                      }
+                    : { enabled: false },
+                  line_overrides: (titleStyle.lineOverrides ?? []) as Array<
+                    Record<string, unknown>
+                  >,
                 },
               }
             : {}),

apps/web/src/pages/generate/hooks/useGenerateFormState/index.ts

@@ -34,6 +34,21 @@ const DEFAULT_TITLE_SETTINGS: TitleSettings = {
   color: "#ffffff",
   posX: null,
   posY: null,
+  lineHeight: 1.2,
+  marginTop: 24,
+  maxCharsPerLine: 0,
+  strokeWidth: 4,
+  strokeColor: "#000000",
+  shadowOffsetX: 2,
+  shadowOffsetY: 2,
+  shadowBlur: 4,
+  shadowColor: "rgba(0,0,0,0.8)",
+  bgEnabled: false,
+  bgColor: "rgba(0,0,0,0.5)",
+  bgPadding: 12,
+  bgRadius: 8,
+  lineOverrides: [],
+  coverTitle: null,
 }
 
 export interface GenerateFormState {

apps/web/src/pages/generate/hooks/useGenerateFormState/usePlanConfigLoader.ts

@@ -1,6 +1,7 @@
 import { useEffect } from "react"
 import type { CoverConfig } from "../../types/cover"
 import type { TitleSettings } from "../../types"
+import type { TitleLineOverride } from "@/components/title/types"
 import type { TitleConfig } from "@/api/template-editor"
 import { getEditPlan } from "@/api/template-editor"
 
@@ -12,6 +13,156 @@ interface UsePlanConfigLoaderOptions {
   setSelectedMaterials: (ids: string[]) => void
 }
 
+/** #2001：统一归一化 title_config snake_case -> camelCase TitleSettings */
+function mapTitleCfgToSettings(
+  prev: TitleSettings,
+  tc: TitleConfig & Record<string, unknown>,
+): TitleSettings {
+  const stroke = tc.stroke as
+    boolean | { enabled?: boolean; width?: number; color?: string } | undefined
+  const strokeEnabled: boolean | undefined =
+    typeof stroke === "object" && stroke ? stroke.enabled !== false : !!stroke || undefined
+  const strokeW: number | undefined =
+    typeof stroke === "object" && stroke
+      ? (stroke.width ?? (tc.stroke_width as number | undefined))
+      : (tc.stroke_width as number | undefined)
+  const strokeC: string | undefined =
+    typeof stroke === "object" && stroke
+      ? (stroke.color ?? (tc.stroke_color as string | undefined))
+      : (tc.stroke_color as string | undefined)
+
+  const shadow = tc.shadow as
+    | boolean
+    | { enabled?: boolean; offset_x?: number; offset_y?: number; blur?: number; color?: string }
+    | undefined
+  const shadowEnabled: boolean | undefined =
+    typeof shadow === "object" && shadow ? shadow.enabled !== false : !!shadow || undefined
+  const shOffX: number | undefined =
+    typeof shadow === "object" && shadow
+      ? (shadow.offset_x ?? (tc.shadow_offset_x as number | undefined))
+      : (tc.shadow_offset_x as number | undefined)
+  const shOffY: number | undefined =
+    typeof shadow === "object" && shadow
+      ? (shadow.offset_y ?? (tc.shadow_offset_y as number | undefined))
+      : (tc.shadow_offset_y as number | undefined)
+  const shBlur: number | undefined =
+    typeof shadow === "object" && shadow
+      ? (shadow.blur ?? (tc.shadow_blur as number | undefined))
+      : (tc.shadow_blur as number | undefined)
+  const shColor: string | undefined =
+    typeof shadow === "object" && shadow
+      ? (shadow.color ?? (tc.shadow_color as string | undefined))
+      : (tc.shadow_color as string | undefined)
+
+  const bg = tc.background as
+    { enabled?: boolean; color?: string; padding?: number; radius?: number } | undefined
+  const bgEnabled: boolean | undefined =
+    (bg && typeof bg === "object" ? bg.enabled : undefined) ??
+    (tc.bg_enabled as boolean | undefined)
+  const bgColor: string | undefined =
+    (bg && typeof bg === "object" ? bg.color : undefined) ?? (tc.bg_color as string | undefined)
+  const bgPadding: number | undefined =
+    (bg && typeof bg === "object" ? bg.padding : undefined) ?? (tc.bg_padding as number | undefined)
+  const bgRadius: number | undefined =
+    (bg && typeof bg === "object" ? bg.radius : undefined) ?? (tc.bg_radius as number | undefined)
+
+  const ct = (tc.cover_title_config ?? null) as null | Record<string, unknown>
+  let coverTitle: TitleSettings["coverTitle"] = prev.coverTitle
+  if (ct) {
+    const ctStroke = ct.stroke as
+      boolean | { enabled?: boolean; width?: number; color?: string } | undefined
+    const ctShadow = ct.shadow as
+      | boolean
+      | { enabled?: boolean; offset_x?: number; offset_y?: number; blur?: number; color?: string }
+      | undefined
+    const ctBg = ct.background as
+      { enabled?: boolean; color?: string; padding?: number; radius?: number } | undefined
+    coverTitle = {
+      title: (ct.title as string | undefined) ?? prev.coverTitle?.title ?? "",
+      font: (ct.font as string | undefined) ?? prev.coverTitle?.font,
+      size:
+        (ct.font_size as number | undefined) ??
+        (ct.size as number | undefined) ??
+        prev.coverTitle?.size,
+      color:
+        (ct.font_color as string | undefined) ??
+        (ct.color as string | undefined) ??
+        prev.coverTitle?.color,
+      bold: (ct.bold as boolean | undefined) ?? prev.coverTitle?.bold,
+      italic: (ct.italic as boolean | undefined) ?? prev.coverTitle?.italic,
+      position: (ct.position as string | undefined) ?? prev.coverTitle?.position,
+      stroke:
+        typeof ctStroke === "object" && ctStroke
+          ? ctStroke.enabled !== false
+          : ((ctStroke as boolean | undefined) ?? prev.coverTitle?.stroke),
+      strokeWidth:
+        (typeof ctStroke === "object" && ctStroke ? ctStroke.width : undefined) ??
+        (ct.stroke_width as number | undefined) ??
+        prev.coverTitle?.strokeWidth,
+      strokeColor:
+        (typeof ctStroke === "object" && ctStroke ? ctStroke.color : undefined) ??
+        (ct.stroke_color as string | undefined) ??
+        prev.coverTitle?.strokeColor,
+      shadow:
+        typeof ctShadow === "object" && ctShadow
+          ? ctShadow.enabled !== false
+          : ((ctShadow as boolean | undefined) ?? prev.coverTitle?.shadow),
+      shadowOffsetX:
+        (typeof ctShadow === "object" && ctShadow ? ctShadow.offset_x : undefined) ??
+        (ct.shadow_offset_x as number | undefined) ??
+        prev.coverTitle?.shadowOffsetX,
+      shadowOffsetY:
+        (typeof ctShadow === "object" && ctShadow ? ctShadow.offset_y : undefined) ??
+        (ct.shadow_offset_y as number | undefined) ??
+        prev.coverTitle?.shadowOffsetY,
+      shadowBlur:
+        (typeof ctShadow === "object" && ctShadow ? ctShadow.blur : undefined) ??
+        (ct.shadow_blur as number | undefined) ??
+        prev.coverTitle?.shadowBlur,
+      shadowColor:
+        (typeof ctShadow === "object" && ctShadow ? ctShadow.color : undefined) ??
+        (ct.shadow_color as string | undefined) ??
+        prev.coverTitle?.shadowColor,
+      bgEnabled:
+        ctBg?.enabled ?? (ct.bg_enabled as boolean | undefined) ?? prev.coverTitle?.bgEnabled,
+      bgColor: ctBg?.color ?? (ct.bg_color as string | undefined) ?? prev.coverTitle?.bgColor,
+      bgPadding:
+        ctBg?.padding ?? (ct.bg_padding as number | undefined) ?? prev.coverTitle?.bgPadding,
+      bgRadius: ctBg?.radius ?? (ct.bg_radius as number | undefined) ?? prev.coverTitle?.bgRadius,
+    }
+  }
+
+  const result: TitleSettings = {
+    ...prev,
+    title: (tc.content as string | undefined) || prev.title,
+    aiAutoSelect: (tc.ai_auto_select as boolean | undefined) || false,
+    position: prev.position,
+    font: (tc.font_preset as string | undefined) || prev.font,
+    size: (tc.font_size as number | undefined) || prev.size,
+    color: (tc.font_color as string | undefined) || prev.color,
+    bold: (tc.bold as boolean | undefined) ?? prev.bold,
+    italic: (tc.italic as boolean | undefined) ?? prev.italic,
+    stroke: strokeEnabled ?? prev.stroke,
+    strokeWidth: strokeW ?? prev.strokeWidth,
+    strokeColor: strokeC ?? prev.strokeColor,
+    shadow: shadowEnabled ?? prev.shadow,
+    shadowOffsetX: shOffX ?? prev.shadowOffsetX,
+    shadowOffsetY: shOffY ?? prev.shadowOffsetY,
+    shadowBlur: shBlur ?? prev.shadowBlur,
+    shadowColor: shColor ?? prev.shadowColor,
+    lineHeight: (tc.line_height as number | undefined) ?? prev.lineHeight,
+    marginTop: (tc.margin_top as number | undefined) ?? prev.marginTop,
+    maxCharsPerLine: (tc.max_chars_per_line as number | undefined) ?? prev.maxCharsPerLine,
+    bgEnabled: bgEnabled ?? prev.bgEnabled,
+    bgColor: bgColor ?? prev.bgColor,
+    bgPadding: bgPadding ?? prev.bgPadding,
+    bgRadius: bgRadius ?? prev.bgRadius,
+    lineOverrides: ((tc.line_overrides as unknown[] | undefined) ?? []) as TitleLineOverride[],
+    coverTitle,
+  }
+  return result
+}
+
 /**
  * 从 URL 参数或编辑计划 ID 加载表单配置
  */
@@ -27,14 +178,7 @@ export function usePlanConfigLoader({
     if (!planConfigStr) return
     try {
       const config = JSON.parse(planConfigStr) as {
-        title_config?: {
-          content?: string
-          ai_auto_select?: boolean
-          position?: string
-          font_preset?: string
-          font_size?: number
-          font_color?: string
-        }
+        title_config?: Record<string, unknown>
         subtitle_config?: { enabled?: boolean }
         bgm_config?: { enabled?: boolean; music_id?: string }
         mode?: string
@@ -43,16 +187,8 @@ export function usePlanConfigLoader({
       }
 
       if (config.title_config) {
-        const tc = config.title_config as TitleConfig
-        setTitleSettings((prev: TitleSettings) => ({
-          ...prev,
-          title: tc.content || "",
-          aiAutoSelect: tc.ai_auto_select || false,
-          position: prev.position, // 强制保留默认/用户选择，不从草稿配置同步位置
-          font: tc.font_preset || prev.font,
-          size: tc.font_size || prev.size,
-          color: tc.font_color || prev.color,
-        }))
+        const tc = config.title_config as TitleConfig & Record<string, unknown>
+        setTitleSettings((prev: TitleSettings) => mapTitleCfgToSettings(prev, tc))
       }
       if (config.segments && config.segments.length > 0) {
         const assetIds = config.segments
@@ -76,15 +212,8 @@ export function usePlanConfigLoader({
         if (plan.name) setTitleSettings((prev: TitleSettings) => ({ ...prev, title: plan.name }))
         const cfg = plan.config
         if (cfg?.title_config) {
-          setTitleSettings((prev: TitleSettings) => ({
-            ...prev,
-            aiAutoSelect: cfg.title_config!.ai_auto_select,
-            title: cfg.title_config!.content || prev.title,
-            position: prev.position, // 强制保留默认/用户选择，不从远程草稿同步位置
-            font: cfg.title_config!.font_preset || prev.font,
-            size: cfg.title_config!.font_size || prev.size,
-            color: cfg.title_config!.font_color || prev.color,
-          }))
+          const tc2 = cfg.title_config as unknown as TitleConfig & Record<string, unknown>
+          setTitleSettings((prev: TitleSettings) => mapTitleCfgToSettings(prev, tc2))
         }
         if (cfg?.cover_config) {
           const cc = cfg.cover_config as CoverConfig

apps/web/src/pages/generate/hooks/useGenerateVideo.ts

@@ -241,8 +241,91 @@ export function useGenerateVideo(props: UseGenerateVideoProps) {
                       }
                     : {}),
                   bold: props.titleSettings.bold,
-                  stroke: props.titleSettings.stroke,
-                  shadow: props.titleSettings.shadow,
+                  italic: props.titleSettings.italic,
+                  stroke: props.titleSettings.stroke
+                    ? {
+                        enabled: true,
+                        width: props.titleSettings.strokeWidth ?? 4,
+                        color: props.titleSettings.strokeColor ?? "#000000",
+                      }
+                    : { enabled: false },
+                  shadow: props.titleSettings.shadow
+                    ? {
+                        enabled: true,
+                        offset_x: props.titleSettings.shadowOffsetX ?? 2,
+                        offset_y: props.titleSettings.shadowOffsetY ?? 2,
+                        blur: props.titleSettings.shadowBlur ?? 4,
+                        color: props.titleSettings.shadowColor ?? "rgba(0,0,0,0.8)",
+                      }
+                    : { enabled: false },
+                  line_height: props.titleSettings.lineHeight ?? 1.2,
+                  margin_top: props.titleSettings.marginTop ?? 24,
+                  max_chars_per_line: props.titleSettings.maxCharsPerLine ?? 0,
+                  ...(props.titleSettings.bgEnabled
+                    ? {
+                        background: {
+                          enabled: true,
+                          color: props.titleSettings.bgColor,
+                          padding: props.titleSettings.bgPadding,
+                          radius: props.titleSettings.bgRadius,
+                        },
+                      }
+                    : { background: { enabled: false } }),
+                  line_overrides: (props.titleSettings.lineOverrides ?? []).map((lo) => ({
+                    line_index: lo.line_index,
+                    text: lo.text,
+                    size: lo.size,
+                    color: lo.color,
+                    bold: lo.bold,
+                    italic: lo.italic,
+                    stroke: lo.stroke,
+                    highlights: lo.highlights?.map((h) => ({
+                      word: h.word,
+                      color: h.color,
+                      bold: h.bold,
+                      scale: h.scale,
+                    })),
+                  })),
+                  ...(props.titleSettings.coverTitle
+                    ? {
+                        cover_title_config: {
+                          title: props.titleSettings.coverTitle.title,
+                          font: props.titleSettings.coverTitle.font,
+                          font_size: props.titleSettings.coverTitle.size,
+                          font_color: props.titleSettings.coverTitle.color,
+                          bold: props.titleSettings.coverTitle.bold,
+                          italic: props.titleSettings.coverTitle.italic,
+                          position: props.titleSettings.coverTitle.position,
+                          stroke: props.titleSettings.coverTitle.stroke
+                            ? {
+                                enabled: true,
+                                width: props.titleSettings.coverTitle.strokeWidth ?? 4,
+                                color: props.titleSettings.coverTitle.strokeColor ?? "#000000",
+                              }
+                            : { enabled: false },
+                          shadow: props.titleSettings.coverTitle.shadow
+                            ? {
+                                enabled: true,
+                                offset_x: props.titleSettings.coverTitle.shadowOffsetX ?? 2,
+                                offset_y: props.titleSettings.coverTitle.shadowOffsetY ?? 2,
+                                blur: props.titleSettings.coverTitle.shadowBlur ?? 4,
+                                color:
+                                  props.titleSettings.coverTitle.shadowColor ?? "rgba(0,0,0,0.8)",
+                              }
+                            : { enabled: false },
+                          ...(props.titleSettings.coverTitle.bgEnabled
+                            ? {
+                                background: {
+                                  enabled: true,
+                                  color: props.titleSettings.coverTitle.bgColor,
+                                  padding: props.titleSettings.coverTitle.bgPadding,
+                                  radius: props.titleSettings.coverTitle.bgRadius,
+                                },
+                              }
+                            : { background: { enabled: false } }),
+                        },
+                      }
+                    : {}),
                 },
               }
             : {}),

apps/web/src/pages/generate/hooks/useStep4Title/useTitleStyleUpdaters.ts

@@ -1,5 +1,6 @@
 import { useCallback, useMemo } from "react"
 import { TITLE_PRESETS } from "../../constants"
+import { TITLE_PRESETS as NEW_TITLE_PRESETS } from "@/components/title/constants"
 import type { TitleSettings } from "../../types"
 
 interface UseTitleStyleUpdatersOptions {
@@ -97,26 +98,45 @@ export function useTitleStyleUpdaters({
     onTitleSettingsChange({ ...titleSettings, shadow: !titleSettings.shadow })
   }, [titleSettings, onTitleSettingsChange])
 
-  /** 应用预设：只覆盖 color/bold/italic/stroke/shadow，不改变字号 */
+  /** 应用预设（支持新预设细粒度字段） */
   const applyPreset = useCallback(
     (presetKey: string) => {
-      const preset = TITLE_PRESETS.find((p) => p.key === presetKey)
-      if (!preset) return
+      // 优先匹配新预设（10个爆款预设），fallback 旧预设
+      const newPreset = NEW_TITLE_PRESETS.find((p) => p.key === presetKey)
+      const oldPreset = TITLE_PRESETS.find((p) => p.key === presetKey)
+      if (newPreset) {
+        onTitleSettingsChange({
+          ...titleSettings,
+          ...(newPreset.style as Partial<TitleSettings>),
+          // 清除逐行覆盖
+          lineOverrides: [],
+        })
+        return
+      }
+      if (!oldPreset) return
       onTitleSettingsChange({
         ...titleSettings,
-        color: preset.style.color,
-        bold: preset.style.bold,
-        italic: preset.style.italic,
-        stroke: preset.style.stroke,
-        shadow: preset.style.shadow,
+        color: oldPreset.style.color,
+        bold: oldPreset.style.bold,
+        italic: oldPreset.style.italic,
+        stroke: oldPreset.style.stroke,
+        shadow: oldPreset.style.shadow,
       })
     },
     [titleSettings, onTitleSettingsChange],
   )
 
+  /** 通用字段更新（patch） */
+  const updateStyle = useCallback(
+    (patch: Partial<TitleSettings>) => {
+      onTitleSettingsChange({ ...titleSettings, ...patch })
+    },
+    [titleSettings, onTitleSettingsChange],
+  )
+
   return {
     activePreset,
-    titlePresets: TITLE_PRESETS,
+    titlePresets: NEW_TITLE_PRESETS,
     updateTitle,
     toggleAiAutoSelect,
     updatePosition,
@@ -129,5 +149,6 @@ export function useTitleStyleUpdaters({
     toggleStroke,
     toggleShadow,
     applyPreset,
+    updateStyle,
   }
 }

apps/web/src/pages/generate/types.ts

@@ -3,8 +3,9 @@
  */
 
 import type { AssetItem } from "@/api/assets"
+import type { TitleLineOverride } from "@/components/title/types"
 
-/* ── 标题设置 ── */
+/* ── 标题设置（#2001 升级：新增描边/阴影/背景/逐行/封面独立样式/排版字段） ── */
 export interface TitleSettings {
   aiAutoSelect: boolean
   title: string
@@ -19,6 +20,58 @@ export interface TitleSettings {
   /** 自由位置坐标（PlayRes 像素），仅当 position="custom" 时有效 */
   posX: number | null
   posY: number | null
+
+  /* ── 排版（P0） ── */
+  /** 行距倍数，默认 1.2 */
+  lineHeight: number
+  /** 顶部边距（position=top，px @720p） */
+  marginTop: number
+  /** 每行最大字符数（4-20），0=不自动换行 */
+  maxCharsPerLine: number
+
+  /* ── 描边参数化（P0） ── */
+  strokeWidth: number
+  strokeColor: string
+
+  /* ── 阴影参数化（P1） ── */
+  shadowOffsetX: number
+  shadowOffsetY: number
+  shadowBlur: number
+  shadowColor: string
+
+  /* ── 背景色块（P1） ── */
+  bgEnabled: boolean
+  bgColor: string
+  bgPadding: number
+  bgRadius: number
+
+  /* ── 逐行独立样式（P1） ── */
+  lineOverrides: TitleLineOverride[]
+
+  /* ── 封面独立标题（P1）：null=沿用主标题 ── */
+  coverTitle: null | {
+    title?: string
+    font?: string
+    size?: number
+    color?: string
+    bold?: boolean
+    italic?: boolean
+    position?: string
+    stroke?: boolean
+    strokeWidth?: number
+    strokeColor?: string
+    shadow?: boolean
+    shadowOffsetX?: number
+    shadowOffsetY?: number
+    shadowBlur?: number
+    shadowColor?: string
+    bgEnabled?: boolean
+    bgColor?: string
+    bgPadding?: number
+    bgRadius?: number
+    lineHeight?: number
+    maxCharsPerLine?: number
+  }
 }
 
 /* ── 智能匹配结果 ── */
@@ -49,28 +102,33 @@ export interface StepDef {
   label: string
 }
 
-/* ── 标题预设样式 ── */
-export interface TitlePresetStyle {
-  size: number
-  color: string
-  bold: boolean
-  italic: boolean
-  stroke: boolean
-  shadow: boolean
-}
-
-export interface TitlePreset {
-  key: string
-  label: string
-  style: TitlePresetStyle
-  previewStyle: Record<string, string | number>
-}
-
-/* ── 生成结果视频 ── */
-export interface GeneratedVideoResult {
-  id: string
-  url: string
-  thumbnail: string
-  duration: number
-  title: string
+/** 旧版 TitleSettings 的默认值字段（P0/P1 新字段补齐默认值） */
+export const DEFAULT_TITLE_SETTINGS_FULL: TitleSettings = {
+  aiAutoSelect: false,
+  title: "",
+  position: "top",
+  font: "思源黑体",
+  size: 28,
+  bold: true,
+  italic: false,
+  stroke: true,
+  shadow: false,
+  color: "#ffffff",
+  posX: null,
+  posY: null,
+  lineHeight: 1.2,
+  marginTop: 24,
+  maxCharsPerLine: 0,
+  strokeWidth: 4,
+  strokeColor: "#000000",
+  shadowOffsetX: 2,
+  shadowOffsetY: 2,
+  shadowBlur: 4,
+  shadowColor: "rgba(0,0,0,0.8)",
+  bgEnabled: false,
+  bgColor: "rgba(0,0,0,0.5)",
+  bgPadding: 12,
+  bgRadius: 8,
+  lineOverrides: [],
+  coverTitle: null,
 }

deploy/gpu_worker/gpu_worker.py

@@ -115,8 +115,13 @@ def _register(task_id: Optional[str] = None) -> bool:
     last_heartbeat_at，防止长推理被误判超时回收。
     """
     ok, info = _check_musetalk_health()
-    free_vram = int(info.get("free_vram_mb", 0) or 0) if isinstance(info, dict) else 0
-    gpu_name = info.get("gpu_name", "") if isinstance(info, dict) else ""
+    if isinstance(info, dict):
+        gpu_info = info.get("gpu", info)
+        free_vram = int(gpu_info.get("free_vram_mb", gpu_info.get("memory_free_mb", 0)) or 0)
+        gpu_name = gpu_info.get("gpu_name", info.get("gpu_name", ""))
+    else:
+        free_vram = 0
+        gpu_name = ""
     if not gpu_name:
         # 尝试在 Windows 上读 nvidia-smi
         gpu_name = _probe_gpu_name()

deploy/gpu_worker/musetalk_server.py

@@ -1,13 +1,18 @@
 """MuseTalk Flask HTTP 服务 — 反向轮询架构的服务端部分.
 
 部署在 RTX2060 本地，接收 gpu_worker.py 的推理请求，调用 MuseTalk 生成口型同步视频。
-本文件修复了原 worker.py 的 8 个工程 bug，并新增 /cancel 端点。
+
+#2000 关键修复：
+  - 集成真实 MuseTalk 推理（替换原有 stub 代码）
+  - 音频预处理：22050Hz MP3 → 16kHz mono 16bit WAV（MuseTalk 要求）
+  - 模型懒加载：首次推理时加载，后续复用，避免重复加载
+  - 视频帧循环使用 mirror indexing（乒乓模式），消除循环边界跳变
+  - bbox_shift 可通过请求参数配置
 
 #1978 性能修复（v2 架构）：
   MuseTalk 原生支持长音频输入（内部循环视频帧），不需要我们先 loop 视频。
   正确流程：原视频 + 全量音频 → MuseTalk 推理 → 输出时长=音频时长的无声画面
   → ffmpeg 快速 -c:v copy 替换音轨。推理时间不变（~14s），后处理几秒。
-  禁止在推理前用 ffmpeg 循环视频（会导致 MuseTalk 处理 2x+ 帧数，慢 16 倍）。
 
 环境变量：
   MUSE_PORT            监听端口，默认 7861
@@ -18,21 +23,27 @@
   MUSE_DEFAULT_FPS     视频 fps 兜底值，默认 25.0
   MUSE_TEMP_DIR        临时文件目录，默认 /tmp/musetalk_$$
   MUSE_VIDEO_ENCODER   循环视频时的编码器（仅兜底）：auto（默认）/h264_nvenc/libx264
+  MUSE_DIR             MuseTalk 仓库路径，默认 /home/ying/projects/MuseTalk
+  MUSE_MODEL_DIR       模型目录（相对 MUSE_DIR），默认 models/musetalk
+  MUSE_USE_FLOAT16     使用 FP16 推理，默认 1（开启）
+  MUSE_BATCH_SIZE      推理批次大小，默认 8
 
 接口：
   GET  /health          健康检查 + GPU 显存信息
-  POST /inference       推理请求（multipart: video + audio）
+  POST /inference       推理请求（multipart: video + audio, form: bbox_shift）
   POST /cancel          终止当前推理任务
 """
 
 from __future__ import annotations
 
 import atexit
+import copy
 import logging
 import os
 import shutil
 import signal
 import subprocess
+import sys
 import threading
 import time
 from pathlib import Path
@@ -68,6 +79,16 @@ class Config:
     video_encoder: str = _env("MUSE_VIDEO_ENCODER", "auto") or "auto"
     # 判定音视频时长差异的容差（秒）
     duration_epsilon: float = 0.25
+    # MuseTalk 仓库路径
+    muse_dir: str = _env("MUSE_DIR", "/home/ying/projects/MuseTalk")
+    # 模型目录（相对 MUSE_DIR）
+    muse_model_dir: str = _env("MUSE_MODEL_DIR", "models/musetalk")
+    # 是否使用 FP16（节省显存，RTX2060 建议开启）
+    use_float16: bool = _env("MUSE_USE_FLOAT16", "1") == "1"
+    # 推理批次大小（RTX2060 6G 显存建议 4-8）
+    batch_size: int = int(_env("MUSE_BATCH_SIZE", "8"))
+    # GFPGAN 人脸超分增强（提升生成人脸清晰度，+~170MB VRAM, +60ms/帧）
+    use_gfpgan: bool = _env("MUSE_USE_GFPGAN", "1") == "1"
 
 
 # ── 全局状态 ──────────────────────────────────────────────────────────
@@ -75,6 +96,13 @@ inference_lock = threading.Lock()
 current_task: dict = {"task_id": None, "process": None, "start_time": 0.0}
 shutdown_event = threading.Event()
 
+# ── MuseTalk 模型懒加载 ─────────────────────────────────────────────
+_muse_models = None
+_muse_models_lock = threading.Lock()
+_muse_models_loaded = False
+_muse_load_error = None
+
+
 # ── Flask App ─────────────────────────────────────────────────────────
 app = Flask(__name__)
 
@@ -215,6 +243,29 @@ def _pick_video_encoder() -> str:
     return "libx264"
 
 
+def _preprocess_audio(input_path: Path, output_path: Path, target_sr: int = 16000) -> None:
+    """将输入音频转换为 MuseTalk 要求的格式：16kHz mono 16bit WAV.
+
+    MuseTalk 的 whisper audio2feature 要求 16kHz 采样率的单声道音频。
+    当前 TTS 输出为 22050Hz MP3，不转换会导致 mel 频谱错位、
+    音素特征提取错误，口型只跟能量不跟音素。
+    """
+    cmd = [
+        "ffmpeg", "-y", "-v", "warning",
+        "-i", str(input_path),
+        "-ar", str(target_sr),     # 重采样到 16kHz
+        "-ac", "1",                 # 单声道
+        "-sample_fmt", "s16",       # 16bit PCM
+        str(output_path),
+    ]
+    _run_ffmpeg(cmd, timeout=60)
+
+    if not output_path.exists() or output_path.stat().st_size < 100:
+        raise RuntimeError(f"音频预处理失败: {output_path}")
+
+    logger.info("音频预处理完成: %s → 16kHz mono WAV", input_path.name)
+
+
 def _mux_video_with_audio(
     video_path: Path,
     audio_path: Path,
@@ -340,129 +391,518 @@ def _run_ffmpeg(cmd: list, timeout: float = 120) -> subprocess.CompletedProcess:
         raise RuntimeError(f"ffmpeg 超时（>{timeout}s）") from exc
 
 
+# ── MuseTalk 模型加载 ────────────────────────────────────────────────
+
+
+def _load_musetalk_models():
+    """懒加载 MuseTalk 模型（全局单例，首次调用时加载）.
+
+    加载 VAE、UNet、PositionalEncoder 三个核心组件。
+    加载到 GPU 后转为 FP16（如果配置开启）以节省显存。
+    RTX2060 6G 显存，FP16 大约需要 3-4GB。
+    """
+    global _muse_models, _muse_models_loaded, _muse_load_error
+
+    if _muse_models_loaded:
+        return _muse_models
+    if _muse_load_error is not None:
+        raise _muse_load_error
+
+    with _muse_models_lock:
+        if _muse_models_loaded:
+            return _muse_models
+
+        try:
+            muse_dir = Path(Config.muse_dir)
+            if not muse_dir.exists():
+                raise FileNotFoundError(
+                    f"MuseTalk 目录不存在: {muse_dir}\n"
+                    f"请设置 MUSE_DIR 环境变量指向 MuseTalk 仓库路径"
+                )
+
+            # 将 MuseTalk 加入 sys.path（只在首次加载时）
+            muse_str = str(muse_dir)
+            if muse_str not in sys.path:
+                sys.path.insert(0, muse_str)
+
+            import torch
+            from musetalk.utils.utils import load_all_model
+
+            device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
+            logger.info("MuseTalk 使用设备: %s", device)
+
+            # 自动检测模型路径
+            # 优先检测 v1.5 模型，然后回退到 v1
+            v15_unet = muse_dir / "models" / "musetalkV15" / "unet.pth"
+            v1_unet = muse_dir / "models" / "musetalk" / "pytorch_model.bin"
+
+            if v15_unet.exists():
+                unet_model_path = str(v15_unet)
+                unet_config = str(muse_dir / "models" / "musetalkV15" / "musetalk.json")
+                model_version = "v15"
+            elif v1_unet.exists():
+                unet_model_path = str(v1_unet)
+                unet_config = str(muse_dir / "models" / "musetalk" / "config.json")
+                model_version = "v1"
+            else:
+                raise FileNotFoundError(
+                    f"未找到 MuseTalk 模型权重。\n"
+                    f"检查路径: {v15_unet} 或 {v1_unet}\n"
+                    f"请确认模型已下载到 MuseTalk 仓库的 models/ 目录下"
+                )
+
+            logger.info("加载 MuseTalk %s 模型: %s", model_version, unet_model_path)
+
+            vae, unet, pe = load_all_model(
+                unet_model_path=unet_model_path,
+                vae_type="sd-vae",
+                unet_config=unet_config,
+                device=device,
+            )
+            timesteps = torch.tensor([0], device=device)
+
+            # FP16 转换（节省 ~50% 显存）
+            if Config.use_float16:
+                pe = pe.half()
+                vae.vae = vae.vae.half()
+                unet.model = unet.model.half()
+                logger.info("已启用 FP16 推理")
+
+            pe = pe.to(device)
+            vae.vae = vae.vae.to(device)
+            unet.model = unet.model.to(device)
+
+            # 加载 AudioProcessor 和 face parsing
+            from musetalk.utils.audio_processor import AudioProcessor
+            from musetalk.utils.face_parsing import FaceParsing
+
+            audio_processor = AudioProcessor()
+            face_parsing = FaceParsing()
+
+            # 加载 GFPGAN 人脸超分模型（FP16，仅 ~170MB VRAM）
+            gfpgan_model = None
+            if Config.use_gfpgan:
+                try:
+                    from gfpgan.archs.gfpganv1_clean_arch import GFPGANv1Clean
+                    gfpgan_path = muse_dir / "models" / "GFPGAN" / "GFPGANv1.4.pth"
+                    if gfpgan_path.exists():
+                        logger.info("加载 GFPGANv1.4 人脸超分模型: %s", gfpgan_path)
+                        gfpgan_ckpt = torch.load(str(gfpgan_path), map_location="cpu")
+                        gfpgan_model = GFPGANv1Clean(
+                            out_size=512, num_style_feat=512, channel_multiplier=2,
+                            decoder_load_path=None, fix_decoder=False, num_mlp=8,
+                            input_is_latent=True, different_w=True, narrow=1, sft_half=True,
+                        )
+                        gfpgan_key = "params_ema" if "params_ema" in gfpgan_ckpt else "params"
+                        gfpgan_model.load_state_dict(gfpgan_ckpt[gfpgan_key], strict=True)
+                        gfpgan_model.eval()
+                        if Config.use_float16:
+                            gfpgan_model = gfpgan_model.half()
+                        gfpgan_model = gfpgan_model.to(device)
+                        del gfpgan_ckpt
+                        logger.info("GFPGAN 加载完成 (FP16=%s)", Config.use_float16)
+                    else:
+                        logger.warning("GFPGAN 模型不存在: %s，跳过人脸增强", gfpgan_path)
+                except Exception as e:
+                    logger.warning("GFPGAN 加载失败，跳过人脸增强: %s", e)
+                    gfpgan_model = None
+            else:
+                logger.info("GFPGAN 已禁用 (MUSE_USE_GFPGAN=0)")
+
+            _muse_models = {
+                "vae": vae,
+                "unet": unet,
+                "pe": pe,
+                "timesteps": timesteps,
+                "audio_processor": audio_processor,
+                "face_parsing": face_parsing,
+                "gfpgan": gfpgan_model,
+                "device": device,
+                "model_version": model_version,
+            }
+            _muse_models_loaded = True
+            logger.info("MuseTalk 模型加载完成 (版本=%s, 设备=%s, fp16=%s)",
+                        model_version, device, Config.use_float16)
+
+            # 打印显存使用情况
+            if torch.cuda.is_available():
+                allocated = torch.cuda.memory_allocated() / 1024**2
+                reserved = torch.cuda.memory_reserved() / 1024**2
+                logger.info("GPU 显存: 已分配 %.0fMB, 已预留 %.0fMB", allocated, reserved)
+
+            return _muse_models
+
+        except Exception as exc:
+            _muse_load_error = exc
+            logger.error("MuseTalk 模型加载失败: %s", exc)
+            raise
+
+
+# ── MuseTalk 推理核心 ─────────────────────────────────────────────────
+
+
+def _mirror_index(size: int, index: int) -> int:
+    """乒乓式循环索引，避免循环边界硬切跳变.
+
+    效果: 0→1→2→...→N→N-1→...→1→0→1→...
+    比简单的 index % size 在边界处更平滑。
+    """
+    if size == 0:
+        return 0
+    turn = index // size
+    res = index % size
+    if turn % 2 == 0:
+        return res
+    else:
+        return size - res - 1
+
+
 def _run_inference(
     video_path: Path,
     audio_path: Path,
     output_path: Path,
+    bbox_shift: int = 0,
 ) -> None:
-    """执行 MuseTalk 推理（v2 架构：全量音频直传，不在推理前 loop 视频）.
+    """执行 MuseTalk 真实推理.
 
-    #1978 性能修复核心：
-      MuseTalk 原生支持长音频输入，内部会自动循环视频帧。
-      我们只需把【原视频】和【全量音频】传给 MuseTalk，
-      输出视频时长 = 音频时长（MuseTalk 自行处理帧循环）。
-      禁止在推理前用 ffmpeg 循环视频（会导致慢 16 倍）。
+    流程：
+    1. 音频预处理：任意格式 → 16kHz mono 16bit WAV
+    2. 加载/复用 MuseTalk 模型（VAE + UNet + PE + Whisper）
+    3. 视频预处理：提取帧 → 人脸检测 → 获取 bbox → VAE 编码 latent
+    4. 音频特征提取：whisper 提取 audio features (50×384 per chunk)
+    5. 批量推理：UNet 去噪 → VAE 解码 → 得到口型同步的人脸帧
+    6. 帧合成：将生成的人脸贴回原帧（使用 face parsing 做边缘融合）
+    7. 输出无声视频（后续由 _mux_video_with_audio 封装 TTS 音频）
 
-    实际部署时替换为 MuseTalk 真实推理逻辑。
-    此处为示例实现：提取帧 → 模拟 MuseTalk 产出音频时长的无声画面 → 快速封装。
+    Args:
+        video_path: 输入视频路径
+        audio_path: 输入音频路径（任意格式，会被预处理为 16kHz WAV）
+        output_path: 输出无声视频路径
+        bbox_shift: 口型区域垂直偏移量，默认 0，范围 [-5, 5]
     """
+    import cv2
+    import numpy as np
+    import torch
+    from tqdm import tqdm
+
+    from musetalk.utils.preprocessing import get_landmark_and_bbox as _orig_get_landmark_and_bbox
+    from musetalk.utils.blending import get_image
+    import tempfile as _tempfile, math as _math, shutil as _shutil
+    from einops import rearrange as _rearrange
+
+    # read_imgs: 读取视频帧（支持视频文件路径），返回 numpy BGR 帧列表
+    def read_imgs(path):
+        import cv2 as _cv2
+        cap = _cv2.VideoCapture(str(path))
+        frames = []
+        while True:
+            ret, frame = cap.read()
+            if not ret:
+                break
+            frames.append(frame)
+        cap.release()
+        return frames
+
+    # get_landmark_and_bbox 适配：旧版签名(img_list, upperbondrange=0)，且 img_list 是文件路径列表
+    def get_landmark_and_bbox(frames, vid_pts=0, bbox_shift=0):
+        import cv2 as _cv2
+        _tmpdir = _tempfile.mkdtemp(prefix="muse_frames_")
+        frame_paths = []
+        for _i, _frm in enumerate(frames):
+            _fp = f"{_tmpdir}/{_i:08d}.png"
+            _cv2.imwrite(_fp, _frm)
+            frame_paths.append(_fp)
+        coords_list, _ = _orig_get_landmark_and_bbox(frame_paths, upperbondrange=bbox_shift)
+        _shutil.rmtree(_tmpdir, ignore_errors=True)
+        _sentinel = object()
+        coords_list = [c if c is not None else _sentinel for c in coords_list]
+        return coords_list, _sentinel
+
+    # 加载模型（首次调用时加载，后续复用）
+    models = _load_musetalk_models()
+    vae = models["vae"]
+    unet = models["unet"]
+    pe = models["pe"]
+    timesteps = models["timesteps"]
+    audio_processor = models["audio_processor"]
+    device = models["device"]
+    model_version = models["model_version"]
+
+    # 给旧版 AudioProcessor 动态添加 feature2chunks 方法
+    import types as _types
+    def _feature2chunks(self, feature_array, fps=25, weight_dtype=None,
+                        batch_size=8, audio_padding_length_left=2,
+                        audio_padding_length_right=2):
+        import torch
+        sr = 16000
+        audio_fps = 50
+        chunk_len = 2 * (audio_padding_length_left + audio_padding_length_right + 1)
+        whisper_idx_multiplier = audio_fps / fps
+        num_frames = int(_math.floor((len(feature_array) / sr) * fps))
+        actual_length = int(_math.floor((len(feature_array) / sr) * audio_fps))
+        inputs = self.feature_extractor(
+            feature_array, return_tensors="pt", sampling_rate=sr
+        ).input_features.to(device)
+        if weight_dtype is not None:
+            inputs = inputs.to(dtype=weight_dtype)
+        global _whisper_enc_model
+        if "_whisper_enc_model" not in globals() or _whisper_enc_model is None:
+            from transformers import WhisperModel
+            _wp = str(Path(Config.muse_dir) / "models" / "whisper")
+            _whisper_enc_model = WhisperModel.from_pretrained(_wp).to(device)
+            _whisper_enc_model.eval()
+            if Config.use_float16:
+                _whisper_enc_model = _whisper_enc_model.half()
+        with torch.no_grad():
+            _af = _whisper_enc_model.encoder(inputs, output_hidden_states=True).hidden_states
+            _af = torch.stack(_af, dim=2)
+        _af = _af[0, :actual_length, ...]
+        _pn = int(_math.ceil(whisper_idx_multiplier))
+        _af = torch.cat([
+            torch.zeros_like(_af[:_pn * audio_padding_length_left]),
+            _af,
+            torch.zeros_like(_af[:_pn * 3 * audio_padding_length_right]),
+        ], dim=0)
+        _all = []
+        for _fi in range(num_frames):
+            _ai = int(_math.floor(_fi * whisper_idx_multiplier))
+            _clip = _af[_ai:_ai + chunk_len]
+            if _clip.shape[0] < chunk_len:
+                _pad = torch.zeros(chunk_len - _clip.shape[0], *_clip.shape[1:],
+                                    device=device, dtype=_clip.dtype)
+                _clip = torch.cat([_clip, _pad], dim=0)
+            _all.append(_clip)
+        _prompts = torch.stack(_all, dim=0)
+        _prompts = _rearrange(_prompts, "b c h w -> b (c h) w")
+        return _prompts
+    audio_processor.feature2chunks = _types.MethodType(_feature2chunks, audio_processor)
+
     fps = _get_video_fps(video_path)
     audio_duration = _get_media_duration(audio_path)
     video_duration = _get_media_duration(video_path)
     logger.info(
-        "推理开始: video=%.2fs, audio=%.2fs, fps=%.2f",
-        video_duration,
-        audio_duration,
-        fps,
+        "MuseTalk 推理开始: video=%.2fs, audio=%.2fs, fps=%.1f, bbox_shift=%d",
+        video_duration, audio_duration, fps, bbox_shift,
     )
 
-    frames_dir = video_path.parent / "frames"
-    frames_dir.mkdir(parents=True, exist_ok=True)
+    # ── Step 1: 音频预处理（关键修复：22050Hz MP3 → 16kHz mono WAV）──
+    audio_wav_path = video_path.parent / "audio_16k_mono.wav"
+    _preprocess_audio(audio_path, audio_wav_path, target_sr=16000)
 
-    # 1. 从原视频提取帧（仅原视频长度，不循环）
-    _run_ffmpeg(
-        [
-            "ffmpeg",
-            "-y",
-            "-i",
-            str(video_path),
-            "-r",
-            str(fps),
-            str(frames_dir / "frame_%05d.png"),
-        ],
-        timeout=120,
+    # ── Step 2: 视频帧提取 ──
+    input_frames = read_imgs(str(video_path))
+    total_frames = len(input_frames)
+    if total_frames == 0:
+        raise RuntimeError("未能从视频中提取到任何帧")
+    logger.info("提取到 %d 帧视频画面", total_frames)
+
+    # ── Step 3: 人脸检测 & bbox 计算 ──
+    coord_list, coord_placeholder = get_landmark_and_bbox(
+        input_frames, vid_pts=0, bbox_shift=bbox_shift
     )
+    logger.info("人脸检测完成，有效 bbox: %d/%d", sum(1 for c in coord_list if c is not coord_placeholder), total_frames)
 
-    frame_files = sorted(frames_dir.glob("*.png"))
-    if not frame_files:
-        raise RuntimeError("未从视频中提取到帧")
+    # 使用 mirror indexing 循环帧和坐标（避免硬切跳变）
+    num_output_frames = int(audio_duration * fps)
+    if num_output_frames <= 0:
+        num_output_frames = total_frames
 
-    # 2. 模拟 MuseTalk 推理：输入原视频帧 + 全量音频，输出音频时长的无声画面。
-    # TODO: 替换为 MuseTalk 真实推理逻辑。
-    # MuseTalk 真实调用示例（伪代码）：
-    #   from musetalk import MuseTalkModel
-    #   model = MuseTalkModel(...)
-    #   silent_video = model.infer(video_path=video_path, audio_path=audio_path)
-    #   # MuseTalk 内部会循环视频帧匹配音频长度，输出时长=音频时长
-    logger.warning("使用示例推理逻辑，未实际调用 MuseTalk 模型")
-
-    # 示例：生成音频时长的无声画面（循环原视频帧到音频长度）
-    # 真实部署时 silent_video_path 应替换为 MuseTalk 输出的无声视频路径
-    silent_video_path = video_path.parent / "visual_silent.mp4"
-
-    if audio_duration > video_duration + Config.duration_epsilon:
-        # 音频更长：循环视频帧到音频长度（仅用于示例，真实 MuseTalk 内部处理）
-        encoder = _pick_video_encoder()
-        preset = "p4" if encoder == "h264_nvenc" else "veryfast"
-        logger.info(
-            "示例：循环视频帧到音频长度 %.2fs（真实 MuseTalk 内部处理，无需此步骤）",
-            audio_duration,
-        )
-        cmd = [
-            "ffmpeg",
-            "-y",
-            "-stream_loop",
-            "-1",
-            "-i",
-            str(video_path),
-            "-an",
-            "-c:v",
-            encoder,
-            "-preset",
-            preset,
-            "-t",
-            f"{audio_duration:.3f}",
-            str(silent_video_path),
-        ]
-        try:
-            _run_ffmpeg(cmd, timeout=300)
-        except RuntimeError:
-            if encoder == "h264_nvenc":
-                cmd[cmd.index(encoder)] = "libx264"
-                cmd[cmd.index(preset) + 1] = "veryfast"
-                _run_ffmpeg(cmd, timeout=300)
-            else:
-                raise
-    else:
-        # 音频不长：直接生成无声视频（原视频长度）
-        _run_ffmpeg(
-            [
-                "ffmpeg",
-                "-y",
-                "-i",
-                str(video_path),
-                "-an",
-                "-c:v",
-                "libx264",
-                "-preset",
-                "veryfast",
-                str(silent_video_path),
-            ],
-            timeout=300,
-        )
-
-    # 3. 快速封装：-map 取推理画面 + 驱动音频，-c:v copy 无损秒级封装
-    # MuseTalk 输出已匹配音频长度，此处无需循环，仅替换音轨
-    _mux_video_with_audio(silent_video_path, audio_path, output_path)
-
-    if not output_path.exists() or output_path.stat().st_size < 1024:
-        raise RuntimeError("推理产物不存在或过小")
-
-    logger.info(
-        "推理完成: output=%.2fs (audio=%.2fs)",
-        _get_media_duration(output_path),
-        audio_duration,
+    # ── Step 4: 音频特征提取 ──
+    # 使用 librosa 加载预处理后的 16kHz 音频
+    import librosa
+    audio_array, _ = librosa.load(str(audio_wav_path), sr=16000, mono=True)
+    whisper_features = audio_processor.feature2chunks(
+        feature_array=audio_array,
+        fps=fps,
+        weight_dtype=(torch.float16 if Config.use_float16 else torch.float32),
+        batch_size=Config.batch_size,
     )
+    if isinstance(whisper_features, torch.Tensor):
+        whisper_features = whisper_features.detach().cpu()
+    torch.cuda.empty_cache()
+    logger.info("音频特征提取完成: %d 个 chunk", len(whisper_features))
+
+    # ── Step 5: 逐帧裁剪人脸并编码为 8ch latent (masked+ref) ──
+    face_parsing = models.get("face_parsing", None)
+    input_latent_list = []
+    valid_frame_indices = []  # 记录成功编码的帧索引（跳过无脸帧）
+
+    with torch.no_grad():
+        for idx, (frame, bbox) in enumerate(zip(input_frames, coord_list)):
+            if bbox is coord_placeholder:
+                continue
+            x1, y1, x2, y2 = bbox
+            # v1.5 额外扩展下边界（下巴区域），与 Step 7 保持一致
+            extra_y2 = 10 if model_version == "v15" else 0
+            y2_eff = min(y2 + extra_y2, frame.shape[0])
+            if y2_eff <= y1 or x2 <= x1:
+                continue
+            # 裁剪人脸区域 → resize 256×256
+            crop = frame[y1:y2_eff, x1:x2]
+            if crop.size == 0:
+                continue
+            crop_rgb = cv2.cvtColor(crop, cv2.COLOR_BGR2RGB)
+            crop_resized = cv2.resize(crop_rgb, (256, 256), interpolation=cv2.INTER_LANCZOS4)
+            # 使用 VAE 的 get_latents_for_unet 得到 8 通道输入
+            # get_latents_for_unet 内部: preprocess(half_mask=True) encode + preprocess(half_mask=False) encode → cat → [1,8,32,32]
+            latents = vae.get_latents_for_unet(crop_resized).detach().cpu()
+            input_latent_list.append(latents)
+            # 保存此帧的实际bbox(含extra_y2)和原帧索引供 Step 7 使用
+            valid_frame_indices.append((idx, x1, y1, x2, y2_eff))
+
+    # 构建循环列表：正序+倒序，实现旧版的平滑首尾帧循环
+    frame_list_cycle = input_frames + input_frames[::-1]
+    coord_cycle = []
+    for _i, _x1, _y1, _x2, _y2 in valid_frame_indices:
+        coord_cycle.append((_x1, _y1, _x2, _y2))
+    coord_cycle = coord_cycle + coord_cycle[::-1]
+    latent_cycle = input_latent_list + input_latent_list[::-1]
+    valid_cycle = valid_frame_indices + [(i, x1, y1, x2, y2) for (i, x1, y1, x2, y2) in reversed(valid_frame_indices)]
+
+    torch.cuda.empty_cache()
+    logger.info("人脸裁剪+VAE 编码完成: %d 个有效latent", len(input_latent_list))
+
+    # ── Step 6: 批量推理（仿旧版 datagen 循环）──
+    res_frame_list = []
+    video_num = len(whisper_features)
+    bs = min(Config.batch_size, 2)  # RTX2060 6G 限制batch=2防OOM
+    total_batches = (video_num + bs - 1) // bs
+
+    for bi in tqdm(range(total_batches), desc="MuseTalk 推理"):
+        whisper_batch = whisper_features[bi*bs:(bi+1)*bs]
+        if len(whisper_batch) == 0:
+            break
+        # 对应 latent 索引（循环取 latent_cycle）
+        latent_batch_parts = []
+        for j in range(len(whisper_batch)):
+            global_idx = bi*bs + j
+            lat_idx = global_idx % len(latent_cycle)
+            latent_batch_parts.append(latent_cycle[lat_idx])
+
+        # whisper_batch 是 [bs,50,384] tensor slice (feature2chunks 已返回 stacked tensor)
+        if isinstance(whisper_batch, list):
+            whisper_batch_t = torch.stack(whisper_batch).to(device)
+        else:
+            whisper_batch_t = whisper_batch.to(device)
+        latent_batch_t = torch.cat(latent_batch_parts, dim=0).to(device)
+        if Config.use_float16:
+            latent_batch_t = latent_batch_t.to(dtype=unet.model.dtype)
+            whisper_batch_t = whisper_batch_t.to(dtype=unet.model.dtype)
+
+        audio_feature_batch = pe(whisper_batch_t)
+
+        with torch.no_grad():
+            pred_latents = unet.model(
+                latent_batch_t,
+                timesteps,
+                encoder_hidden_states=audio_feature_batch,
+            ).sample
+
+        recon_frames = vae.decode_latents(pred_latents)
+        for rf in recon_frames:
+            res_frame_list.append(rf)
+        del pred_latents, recon_frames, latent_batch_t, whisper_batch_t
+        if "audio_feature_batch" in dir():
+            try: del audio_feature_batch
+            except: pass
+        torch.cuda.empty_cache()
+
+    logger.info("推理完成，生成 %d 帧", len(res_frame_list))
+
+    # ── Step 7: 合成最终帧 → ffmpeg pipe 编码（零磁盘IO） ──
+    gfpgan_enhancer = models.get("gfpgan")
+    silent_video_path = video_path.parent / "silent_output.mp4"
+    frame_h, frame_w = frame_list_cycle[0].shape[:2]
+
+    # 启动 ffmpeg：stdin 接收 raw BGR24 帧，直接编码 H.264（省去PNG落盘+回读）
+    _ff_cmd = [
+        "ffmpeg", "-y", "-v", "warning",
+        "-f", "rawvideo", "-pix_fmt", "bgr24",
+        "-s", f"{frame_w}x{frame_h}", "-r", str(fps),
+        "-i", "-",
+        "-vcodec", "libx264", "-preset", "veryfast",
+        "-vf", "format=yuv420p", "-crf", "18",
+        str(silent_video_path),
+    ]
+    import subprocess as _sp
+    _ff_proc = _sp.Popen(_ff_cmd, stdin=_sp.PIPE, stdout=_sp.DEVNULL, stderr=_sp.PIPE)
+
+    n_out = min(len(res_frame_list), num_output_frames)
+    try:
+        for i in tqdm(range(n_out), desc="合成帧"):
+            cyc_i = i % len(coord_cycle)
+            x1, y1, x2, y2 = coord_cycle[cyc_i]
+            ori_frame = copy.deepcopy(frame_list_cycle[cyc_i])
+            res_frame = res_frame_list[i]
+
+            try:
+                res_frame_resized = cv2.resize(
+                    res_frame.astype(np.uint8), (x2-x1, y2-y1),
+                    interpolation=cv2.INTER_LANCZOS4
+                )
+            except Exception:
+                _ff_proc.stdin.write(ori_frame.tobytes())
+                continue
+
+            # GFPGAN 人脸超分增强
+            if gfpgan_enhancer is not None:
+                try:
+                    _fh, _fw = res_frame_resized.shape[:2]
+                    _face_up = cv2.resize(res_frame_resized, (512, 512),
+                                          interpolation=cv2.INTER_LANCZOS4)
+                    _face_rgb = cv2.cvtColor(_face_up, cv2.COLOR_BGR2RGB).astype(np.float32) / 255.0
+                    _face_t = torch.from_numpy(_face_rgb.transpose(2,0,1)).unsqueeze(0)
+                    _face_t = ((_face_t - 0.5) / 0.5).to(device)
+                    if Config.use_float16:
+                        _face_t = _face_t.half()
+                    with torch.no_grad():
+                        _out = gfpgan_enhancer(_face_t, return_rgb=False, weight=0.5)[0]
+                    _out = _out.squeeze(0).float().cpu().clamp_(-1,1)
+                    _out = ((_out + 1)/2*255).numpy().transpose(1,2,0)
+                    _out_bgr = cv2.cvtColor(_out.astype(np.uint8), cv2.COLOR_RGB2BGR)
+                    res_frame_resized = cv2.resize(_out_bgr, (_fw, _fh),
+                                                    interpolation=cv2.INTER_LANCZOS4)
+                    del _face_t, _out, _out_bgr
+                except Exception:
+                    pass
+
+            # face parsing 融合
+            try:
+                if face_parsing is not None:
+                    combined = get_image(ori_frame, res_frame_resized,
+                                         [x1,y1,x2,y2], fp=face_parsing)
+                else:
+                    combined = get_image(ori_frame, res_frame_resized, [x1,y1,x2,y2])
+            except Exception:
+                combined = ori_frame.copy()
+                try: combined[y1:y2, x1:x2] = res_frame_resized
+                except Exception: combined = ori_frame
+
+            _ff_proc.stdin.write(combined.tobytes())
+
+        _ff_proc.stdin.close()
+        _ff_ret = _ff_proc.wait(timeout=120)
+        if _ff_ret != 0:
+            _ff_err = _ff_proc.stderr.read().decode(errors="ignore") if _ff_proc.stderr else ""
+            raise RuntimeError(f"ffmpeg编码失败(exit={_ff_ret}): {_ff_err[-300:]}")
+    except Exception:
+        try: _ff_proc.kill()
+        except Exception: pass
+        raise
+
+    shutil.copy2(str(silent_video_path), str(output_path))
+
+    try:
+        torch.cuda.empty_cache()
+        if audio_wav_path.exists():
+            audio_wav_path.unlink()
+        if silent_video_path.exists() and str(silent_video_path) != str(output_path):
+            silent_video_path.unlink()
+    except Exception as e:
+        logger.warning("清理中间文件失败: %s", e)
+
+    logger.info("MuseTalk 推理完成: output=%s, duration=%.2fs",
+                output_path.name, _get_media_duration(output_path))
 
 
 # ── 路由 ──────────────────────────────────────────────────────────────
@@ -470,7 +910,7 @@ def _run_inference(
 
 @app.route("/health", methods=["GET"])
 def health():
-    """健康检查 + GPU 显存信息."""
+    """健康检查 + GPU 显存信息 + MuseTalk 模型状态."""
     gpu_info = _get_gpu_info()
     task_info = {
         "task_id": current_task["task_id"],
@@ -482,6 +922,8 @@ def health():
             "status": "healthy",
             "gpu": gpu_info,
             "current_task": task_info,
+            "musetalk_loaded": _muse_models_loaded,
+            "musetalk_load_error": str(_muse_load_error) if _muse_load_error else None,
             "timestamp": time.time(),
         }
     )
@@ -491,7 +933,8 @@ def health():
 def inference():
     """推理请求：multipart form 包含 video 和 audio 文件.
 
-    #1978 v2：MuseTalk 直接处理全量音频，输出时长=音频时长，无需预处理循环。
+    可选 form 参数：
+      bbox_shift: 口型区域垂直偏移量，默认 0，范围 [-5, 5]
     """
     # 并发控制：检查锁
     if not inference_lock.acquire(blocking=False):
@@ -510,6 +953,8 @@ def inference():
         video_file = request.files["video"]
         audio_file = request.files["audio"]
         task_id = request.form.get("task_id", f"task_{int(time.time())}")
+        bbox_shift = int(request.form.get("bbox_shift", "0"))
+        bbox_shift = max(-5, min(5, bbox_shift))  # 限制范围
 
         # 文件大小检查
         err = _check_file_size(video_file, Config.video_max_mb, "视频")
@@ -523,13 +968,14 @@ def inference():
         task_dir = Path(Config.temp_dir) / task_id
         task_dir.mkdir(parents=True, exist_ok=True)
         video_path = task_dir / "input.mp4"
-        audio_path = task_dir / "input_audio.wav"
+        audio_path = task_dir / "input_audio.bin"
         output_path = task_dir / "output.mp4"
 
         video_file.save(str(video_path))
         audio_file.save(str(audio_path))
 
-        logger.info("开始推理 task_id=%s, video=%s, audio=%s", task_id, video_path.name, audio_path.name)
+        logger.info("开始推理 task_id=%s, video=%s, audio=%s, bbox_shift=%d",
+                     task_id, video_path.name, audio_path.name, bbox_shift)
 
         # 更新当前任务信息
         current_task["task_id"] = task_id
@@ -541,8 +987,9 @@ def inference():
 
         def inference_thread():
             try:
-                _run_inference(video_path, audio_path, output_path)
+                _run_inference(video_path, audio_path, output_path, bbox_shift=bbox_shift)
             except Exception as exc:
+                logger.exception("推理异常: %s", exc)
                 result_container["error"] = str(exc)
 
         thread = threading.Thread(target=inference_thread)
@@ -621,6 +1068,8 @@ def cancel():
 
 
 def main():
+    import os as _os
+    _os.environ.setdefault("PYTORCH_CUDA_ALLOC_CONF", "max_split_size_mb:128")
     """启动 Flask 服务."""
     # 创建临时目录
     Path(Config.temp_dir).mkdir(parents=True, exist_ok=True)
@@ -633,11 +1082,14 @@ def main():
         gpu_info["memory_used_mb"],
         gpu_info["memory_total_mb"],
     )
+    logger.info("MuseTalk 仓库路径: %s", Config.muse_dir)
     logger.info(
-        "启动 MuseTalk Server: port=%d, timeout=%.0fs, max_concurrent=%d",
+        "启动 MuseTalk Server: port=%d, timeout=%.0fs, max_concurrent=%d, fp16=%s, batch_size=%d",
         Config.port,
         Config.inference_timeout,
         Config.max_concurrent,
+        Config.use_float16,
+        Config.batch_size,
     )
 
     app.run(host="0.0.0.0", port=Config.port, threaded=True)

infra/docker/api-base.Dockerfile

@@ -31,6 +31,12 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 COPY infra/fonts/NotoSansSC-VF.ttf /usr/share/fonts/opentype/noto/NotoSansSC-VF.ttf
 COPY infra/fonts/NotoSerifCJKsc-VF.otf /usr/share/fonts/opentype/noto/NotoSerifCJKsc-VF.otf
 COPY infra/fonts/LXGWWenKai-Regular.ttf /usr/share/fonts/truetype/lxgw/LXGWWenKai-Regular.ttf
+# #2001 爆款标题字体：优设标题黑 / 阿里普惠体 Bold / 抖音美好体 / 思源黑体 Heavy
+RUN mkdir -p /usr/share/fonts/truetype/xiaoxia
+COPY infra/fonts/xiaoxia/YouSheBiaoTiHei.ttf /usr/share/fonts/truetype/xiaoxia/YouSheBiaoTiHei.ttf
+COPY infra/fonts/xiaoxia/AlibabaPuHuiTi-Bold.ttf /usr/share/fonts/truetype/xiaoxia/AlibabaPuHuiTi-Bold.ttf
+COPY infra/fonts/xiaoxia/DouyinSansBold.otf /usr/share/fonts/truetype/xiaoxia/DouyinSansBold.otf
+COPY infra/fonts/xiaoxia/NotoSansSC-Black.otf /usr/share/fonts/truetype/xiaoxia/NotoSansSC-Black.otf
 RUN fc-cache -fv
 
 # 创建虚拟环境

infra/docker/worker-base.Dockerfile

@@ -35,6 +35,12 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 COPY infra/fonts/NotoSansSC-VF.ttf /usr/share/fonts/opentype/noto/NotoSansSC-VF.ttf
 COPY infra/fonts/NotoSerifCJKsc-VF.otf /usr/share/fonts/opentype/noto/NotoSerifCJKsc-VF.otf
 COPY infra/fonts/LXGWWenKai-Regular.ttf /usr/share/fonts/truetype/lxgw/LXGWWenKai-Regular.ttf
+# #2001 爆款标题字体：优设标题黑 / 阿里普惠体 Bold / 抖音美好体 / 思源黑体 Heavy
+RUN mkdir -p /usr/share/fonts/truetype/xiaoxia
+COPY infra/fonts/xiaoxia/YouSheBiaoTiHei.ttf /usr/share/fonts/truetype/xiaoxia/YouSheBiaoTiHei.ttf
+COPY infra/fonts/xiaoxia/AlibabaPuHuiTi-Bold.ttf /usr/share/fonts/truetype/xiaoxia/AlibabaPuHuiTi-Bold.ttf
+COPY infra/fonts/xiaoxia/DouyinSansBold.otf /usr/share/fonts/truetype/xiaoxia/DouyinSansBold.otf
+COPY infra/fonts/xiaoxia/NotoSansSC-Black.otf /usr/share/fonts/truetype/xiaoxia/NotoSansSC-Black.otf
 RUN fc-cache -fv
 
 # 创建虚拟环境

packages/adapters/sqlalchemy_impl/models.py

@@ -711,6 +711,7 @@ class LipsyncJobModel(Base):
     voice_id = Column(String(200), nullable=False, default="")
     script_text = Column(Text, nullable=False, default="")
     speed = Column(Float, nullable=False, default=1.0)
+    style = Column(String(32), nullable=False, default="")
     emotion = Column(String(20), nullable=False, default="")
 
     # MediaKit 任务状态
@@ -750,6 +751,8 @@ class AiAvatarRenderJob(Base):
     # b_roll_segments 格式: [{"script_segment_index": 0, "asset_url": "...", "mode": "fullscreen|pip", "start_time": 5.0, "end_time": 10.0}, ...]
     title_config = Column(JSON, nullable=False, default=dict)
     cover_config = Column(JSON, nullable=False, default=dict)
+    # #2001 封面独立标题配置（结构同 title_config；为空时封面不叠标题）
+    cover_title_config = Column(JSON, nullable=False, default=dict)
 
     # 任务状态
     status = Column(String(20), nullable=False, default="pending", index=True)

packages/application/cosyvoice_service.py

@@ -26,12 +26,43 @@ from packages.shared.config import get_shared_settings
 logger = logging.getLogger(__name__)
 
 
-# CosyVoice v3 情绪通过 input.instruction 中文自然语言指令控制（不再使用枚举 emotion 字段）。
-# 官方文档：instruction 格式严格为 "你说话的情感是<情感值>。"，结尾中文句号不可省略；
-# 情感值必须是 7 种英文枚举之一：neutral/happy/sad/angry/surprised/fearful/disgusted。
+# ── Style（语气风格）→ CosyVoice instruct 自然语言指令 ──
+# 前端 PR#2002 传 6 种 style：natural/sweet/excited/professional/news/livestream。
+# style 是新的统一参数；emotion 为 deprecated 兼容别名，内部映射为 style。
 # 参考：https://help.aliyun.com/zh/model-studio/cosyvoice-voice-list
-# 前端可传英文枚举或中文标签（中立/开心/难过/生气/惊讶/恐惧/厌恶），统一归一化为英文枚举。
-# 映射表 key（不区分大小写）: 英文枚举/旧英文/中文标签 → 7 种标准英文枚举
+STYLE_INSTRUCTION_MAP: dict[str, str] = {
+    "natural": "用自然、平和的语气说话。",
+    "sweet": "用温柔甜美、亲切柔和的语气说话。",
+    "excited": "用兴奋、激动的语气说话。",
+    "professional": "用专业、正式的语气说话。",
+    "news": "用新闻播报的语气说话。",
+    "livestream": "用直播解说的语气说话。",
+}
+
+# 有效 style 值集合（供 schema / 校验使用）
+VALID_STYLES: frozenset[str] = frozenset(STYLE_INSTRUCTION_MAP.keys())
+
+# ── 旧 emotion → 新 style 兼容映射（方案 B：统一 style，emotion deprecated）──
+_EMOTION_TO_STYLE: dict[str, str] = {
+    "neutral": "natural",
+    "happy": "excited",
+    "sad": "sweet",
+    "angry": "excited",
+    "surprised": "excited",
+    "fearful": "sweet",
+    "disgusted": "natural",
+}
+
+# 严格格式系统音色：style → emotion 回退（用于无法使用自由文本指令的音色）
+_STYLE_TO_EMOTION: dict[str, str] = {
+    "natural": "neutral",
+    "sweet": "sad",
+    "excited": "happy",
+    "professional": "neutral",
+    # news / livestream 无直接对应 emotion，特殊处理
+}
+
+# ── 旧 emotion 映射表（deprecated，保留以兼容历史数据）──
 EMOTION_MAP: dict[str, str] = {
     # ── 7 种标准英文枚举（CosyVoice v3 官方支持的情感值）──
     "neutral": "neutral",
@@ -122,6 +153,70 @@ def build_emotion_instruction(voice_id: str, emotion_enum: str) -> str:
     return ""
 
 
+def resolve_style(style: str = "", emotion: str = "") -> str:
+    """统一解析 style 参数（方案 B）.
+
+    - style 有值且合法：直接使用（style 优先级最高）。
+    - style 为空但 emotion 有值：将旧 emotion 归一化后映射为 style。
+    - 两者皆空：返回空串（调用方不传 instruction）。
+
+    Args:
+        style: 新的语气风格（natural/sweet/excited/professional/news/livestream）
+        emotion: 旧的情绪参数（deprecated，内部映射为 style）
+
+    Returns:
+        解析后的 style 字符串；无需 instruct 时返回空串
+    """
+    s = (style or "").strip().lower()
+    if s:
+        if s in VALID_STYLES:
+            return s
+        logger.warning("未知的 style 值 %r，忽略 style 参数", style)
+    # 回退：emotion → style
+    norm = normalize_emotion(emotion)
+    if not norm:
+        return ""
+    mapped = _EMOTION_TO_STYLE.get(norm)
+    if not mapped:
+        logger.warning("emotion %r 无法映射到 style，跳过 instruct", norm)
+    return mapped or ""
+
+
+def build_style_instruction(voice_id: str, style: str) -> str:
+    """根据 voice 类型构造 style instruction.
+
+    - natural：返回空串（不额外加 instruct，使用 CosyVoice 默认自然语气）。
+    - 克隆/设计音色：使用中文自然语言指令（DashScope 允许任意自然语言）。
+    - 系统音色中支持 emotion instruct 的白名单音色：
+      若 style 可映射到 emotion，用严格格式 "你说话的情感是<emotion>。"；
+      news/livestream 尝试直接用中文 instruct（部分音色支持自由文本）。
+    - 其他系统音色：返回空串。
+
+    Args:
+        voice_id: CosyVoice voice 参数
+        style: 已通过 resolve_style() 解析的 style 值
+
+    Returns:
+        拼接好的 instruction 字符串；无需 instruct 时返回空串
+    """
+    if not style or style == "natural":
+        return ""
+    # 克隆音色：直接使用中文自然语言指令
+    if _is_cloned_voice(voice_id):
+        return STYLE_INSTRUCTION_MAP.get(style, "")
+    # 系统音色白名单：优先映射到严格 emotion 格式
+    if voice_id in _SYSTEM_VOICES_WITH_EMOTION_INSTRUCT:
+        emotion_val = _STYLE_TO_EMOTION.get(style)
+        if emotion_val:
+            return f"你说话的情感是{emotion_val}。"
+        # news/livestream 无 emotion 对应，尝试自由中文 instruct
+        desc = STYLE_INSTRUCTION_MAP.get(style, "")
+        if desc:
+            logger.info("音色 %s 使用自由文本 style instruct: %s", voice_id, desc)
+            return desc
+    return ""
+
+
 def normalize_emotion(emotion: str) -> str:
     """将前端情绪值归一化为 CosyVoice v3 官方英文枚举，用于拼入 instruction.
 
@@ -573,6 +668,8 @@ class CosyVoiceService:
         volume: int = 50,
         emotion: str = "",
         language: str = "zh",
+        style: str = "",
+        pitch: float = 1.0,
     ) -> dict:
         """提交语音合成任务（同步非流式，直接返回结果）.
 
@@ -586,9 +683,10 @@ class CosyVoiceService:
             format: 输出格式（mp3/wav/pcm），空表示使用配置默认值
             speed: 语速（0.5-2.0），1.0 为正常速度
             volume: 音量（0-100），默认 50
-            emotion: 情绪，英文枚举 neutral/happy/sad/angry/surprised/fearful/disgusted
-                     或前端中文标签（中立/开心/难过/生气/惊讶/恐惧/厌恶），兼容旧值
-                     natural/excited/calm/friendly；空串不传，未知值默认 neutral
+            style: 语气风格（natural/sweet/excited/professional/news/livestream），
+                   新的统一参数；优先级高于 emotion
+            pitch: 音调（0.5-2.0），1.0 为默认值
+            emotion: 【deprecated】旧情绪参数，内部通过 resolve_style() 映射为 style
             language: 语言代码（zh/en 等，默认 zh；系统音色仅 zh/en 传 language_hints）
 
         Returns:
@@ -617,11 +715,20 @@ class CosyVoiceService:
             "rate": speed,
             "volume": volume,
         }
-        # 情绪 → instruction（按 voice 类型选择格式）
-        norm_emotion = normalize_emotion(emotion)
-        emotion_instruction = build_emotion_instruction(voice_id, norm_emotion)
-        if emotion_instruction:
-            input_payload["instruction"] = emotion_instruction
+        # pitch: CosyVoice API 支持 [0.5, 2.0]，非默认值时才传
+        if pitch and pitch != 1.0:
+            input_payload["pitch"] = pitch
+        # style 优先：显式传 style 时走 build_style_instruction()；
+        # 无 style 时回退到旧的 emotion → build_emotion_instruction() 逻辑（向后兼容）
+        s = (style or "").strip().lower()
+        instruction = ""
+        if s:
+            instruction = build_style_instruction(voice_id, s)
+        if not instruction:
+            norm_emotion = normalize_emotion(emotion)
+            instruction = build_emotion_instruction(voice_id, norm_emotion)
+        if instruction:
+            input_payload["instruction"] = instruction
         # 语言 → language_hints 数组（仅取第一个元素生效）；
         # 系统音色（非克隆/非 voice_id 中包含下划线以外的短 ID）仅传 zh/en，其他语言不传避免报错
         norm_lang = normalize_language(language)
@@ -682,6 +789,8 @@ class CosyVoiceService:
         emotion: str = "",
         language: str = "zh",
         timeout: float = 120.0,
+        style: str = "",
+        pitch: float = 1.0,
     ) -> SynthesizeResult:
         """语音合成（同步非流式）.
 
@@ -695,6 +804,8 @@ class CosyVoiceService:
             format: 输出格式（mp3/wav/pcm），空表示使用配置默认值
             speed: 语速（0.5-2.0），1.0 为正常速度
             volume: 音量（0-100），默认 50
+            style: 语气风格（natural/sweet/excited/professional/news/livestream）
+            pitch: 音调（0.5-2.0），1.0 为默认值
             timeout: 超时时间（秒），保留参数兼容
 
         Returns:
@@ -714,6 +825,8 @@ class CosyVoiceService:
             volume=volume,
             emotion=emotion,
             language=language,
+            style=style,
+            pitch=pitch,
         )
 
         return SynthesizeResult(

packages/application/tts_job/workflow.py

@@ -146,6 +146,9 @@ class TTSWorkflowService:
             _meta = dict(job.metadata)
             _speed = float(_meta.get("speed", 1.0) or 1.0)
             _emotion = str(_meta.get("emotion", "") or "")
+            _style = str(_meta.get("style", "") or "")
+            _volume = int(_meta.get("volume", 50) or 50)
+            _pitch = float(_meta.get("pitch", 1.0) or 1.0)
             _language = str(_meta.get("language", "zh-CN") or "zh-CN")
             submit_result = self.cosyvoice_service.submit_synthesize_task(
                 text=job.input_text,
@@ -153,6 +156,9 @@ class TTSWorkflowService:
                 sample_rate=job.sample_rate,
                 format=job.format,
                 speed=_speed,
+                style=_style,
+                volume=_volume,
+                pitch=_pitch,
                 emotion=_emotion,
                 language=_language,
             )
@@ -290,6 +296,8 @@ class TTSWorkflowService:
             job_metadata = job.metadata or {}
             speed = float(job_metadata.get("speed", 1.0))
             volume = int(job_metadata.get("volume", 50))
+            style = str(job_metadata.get("style", "") or "")
+            pitch = float(job_metadata.get("pitch", 1.0))
             emotion = str(job_metadata.get("emotion", "") or "")
             language = str(job_metadata.get("language", "zh-CN") or "zh-CN")
 
@@ -299,7 +307,9 @@ class TTSWorkflowService:
                 sample_rate=job.sample_rate,
                 format=job.format,
                 speed=speed,
+                style=style,
                 volume=volume,
+                pitch=pitch,
                 emotion=emotion,
                 language=language,
             )
@@ -415,6 +425,9 @@ class TTSWorkflowService:
         _seg_meta = job.metadata or {}
         _seg_speed = float(_seg_meta.get("speed", 1.0) or 1.0)
         _seg_emotion = str(_seg_meta.get("emotion", "") or "")
+        _seg_style = str(_seg_meta.get("style", "") or "")
+        _seg_volume = int(_seg_meta.get("volume", 50) or 50)
+        _seg_pitch = float(_seg_meta.get("pitch", 1.0) or 1.0)
 
         with ThreadPoolExecutor(max_workers=max_workers) as executor:
             future_to_idx = {}
@@ -426,6 +439,9 @@ class TTSWorkflowService:
                     sample_rate=job.sample_rate,
                     format=job.format,
                     speed=_seg_speed,
+                    style=_seg_style,
+                    volume=_seg_volume,
+                    pitch=_seg_pitch,
                     emotion=_seg_emotion,
                     language=_seg_meta.get("language", "zh-CN") or "zh-CN",
                 )
@@ -517,6 +533,8 @@ class TTSWorkflowService:
         job_metadata = job.metadata or {}
         speed = float(job_metadata.get("speed", 1.0))
         volume = int(job_metadata.get("volume", 50))
+        style = str(job_metadata.get("style", "") or "")
+        pitch = float(job_metadata.get("pitch", 1.0))
         emotion = str(job_metadata.get("emotion", "") or "")
 
         # 分段文本（用于缺失段重新合成）
@@ -551,7 +569,9 @@ class TTSWorkflowService:
                         sample_rate=job.sample_rate,
                         format=job.format,
                         speed=speed,
+                        style=style,
                         volume=volume,
+                        pitch=pitch,
                         emotion=emotion,
                         language=job.metadata.get("language", "zh-CN") if hasattr(job, "metadata") else "zh-CN",
                     )

packages/domain/ass_subtitle_builder.py

@@ -30,6 +30,8 @@ TITLE_MARGIN_SIDE = 40
 # - 楷体 → LXGW WenKai（霞鹜文楷，#1896 新增 SIL OFL 开源楷体）
 # - 苹方/PingFang/微软雅黑：服务器 Linux 无对应字体，fallback 思源黑体
 # - 华康俪金黑：商业字体有版权风险，前端已移除，后端保留映射 fallback 思源黑体（兼容老数据）
+# #2001 爆款标题字体（部署到 /usr/share/fonts/truetype/xiaoxia/）：
+# - 优设标题黑 / 阿里普惠体 Bold / 抖音美好体 / 思源黑体 Heavy（独立 Black 字重）
 FONT_NAME_MAP: dict[str, str] = {
     "思源黑体": "Noto Sans SC",
     "思源宋体": "Noto Serif CJK SC",
@@ -40,6 +42,15 @@ FONT_NAME_MAP: dict[str, str] = {
     "楷体": "LXGW WenKai",
     "霞鹜文楷": "LXGW WenKai",
     "华康俪金黑": "Noto Sans SC",
+    # #2001 爆款标题字体
+    "优设标题黑": "YouSheBiaoTiHei",
+    "阿里普惠体": "Alibaba PuHuiTi",
+    "阿里普惠体 Bold": "Alibaba PuHuiTi",
+    "阿里巴巴普惠体": "Alibaba PuHuiTi",
+    "抖音美好体": "Douyin Sans",
+    "抖音体": "Douyin Sans",
+    "思源黑体 Heavy": "Noto Sans SC",
+    "思源黑体 Black": "Noto Sans SC",
 }
 
 # ASS Fontsize 是字体 em-square 高度（含 Latin 升降部留白），
@@ -421,6 +432,14 @@ def build_ass_content(
         safe_title_text_raw = escape_ass_text(title_text)
         safe_title_text = _wrap_title_text(safe_title_text_raw, video_width, title_font_size)
 
+        # #2001 逐行样式覆盖：按 line_overrides 在每行前注入 ASS inline override 标签
+        # line_overrides 透传自前端爆款标题面板，SubtitleStyle.from_dict 已做安全过滤
+        if title_config.get("line_overrides"):
+            from packages.domain.subtitle_style import SubtitleStyle
+
+            _title_style_for_overrides = SubtitleStyle.from_dict(title_config)
+            safe_title_text = _title_style_for_overrides.apply_line_overrides(safe_title_text)
+
         # 自由位置：在文本前注入 \pos override tag（锚点为文本块中心，配合 \an5）
         if title_pos is not None:
             safe_title_text = f"{{\\pos({title_pos[0]},{title_pos[1]})}}{safe_title_text}"
@@ -455,6 +474,13 @@ def build_ass_content(
 
         safe_subtitle_text = escape_ass_text(subtitle_text)
 
+        # #2001 逐行样式覆盖（字幕路径同样支持）
+        if subtitle_config.get("line_overrides"):
+            from packages.domain.subtitle_style import SubtitleStyle
+
+            _sub_style_for_overrides = SubtitleStyle.from_dict(subtitle_config)
+            safe_subtitle_text = _sub_style_for_overrides.apply_line_overrides(safe_subtitle_text)
+
         events.append(
             "Dialogue: 0,0:00:00.00,"
             f"{format_ass_time(video_duration)},"

packages/domain/subtitle_style.py

@@ -6,7 +6,7 @@
 
 from __future__ import annotations
 
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 from typing import Any
 
 # ── 常量 ──────────────────────────────────────────────────────────────────────
@@ -163,6 +163,12 @@ class SubtitleStyle:
     fade_out: float = 0.0
     animation_type: str = "none"
 
+    # 逐行独立样式覆盖（#2001 爆款标题样式面板）
+    # list[dict]，每项可选字段: line_index(0-based，支持负数从末尾倒数),
+    # color/font/size/bold/italic/stroke_color/stroke_width/shadow_color/shadow_offset_x/shadow_offset_y
+    # 渲染时按行索引匹配，用 ASS 内联 override 标签包裹该行。缺省字段继承主样式。
+    line_overrides: list[dict[str, Any]] = field(default_factory=list)
+
     @classmethod
     def from_dict(cls, config: dict[str, Any] | None) -> "SubtitleStyle":
         """从字典创建样式配置，带安全类型转换."""
@@ -193,6 +199,14 @@ class SubtitleStyle:
         if position not in POSITION_ALIGNMENT:
             position = DEFAULT_POSITION
 
+        # 逐行覆盖：仅保留 dict 类型项；非 dict 项过滤掉避免渲染崩溃
+        raw_overrides = config.get("line_overrides") or []
+        line_overrides: list[dict[str, Any]] = []
+        if isinstance(raw_overrides, list):
+            for item in raw_overrides:
+                if isinstance(item, dict):
+                    line_overrides.append(dict(item))
+
         return cls(
             font_name=safe_str("font", DEFAULT_FONT),
             font_size=safe_int("size", DEFAULT_FONT_SIZE),
@@ -221,6 +235,7 @@ class SubtitleStyle:
             fade_in=max(0.0, safe_float("fade_in", 0.0)),
             fade_out=max(0.0, safe_float("fade_out", 0.0)),
             animation_type=safe_str("animation_type", "none"),
+            line_overrides=line_overrides,
         )
 
     @property
@@ -248,6 +263,130 @@ class SubtitleStyle:
         color_bgr = hex_to_ass_bgr(self.background_color)
         return f"&H{alpha_hex}{color_bgr}"
 
+    def build_line_override_tag(self, line_index: int, total_lines: int) -> str:
+        r"""按 line_overrides 配置为指定行构造 ASS 内联 override 标签 {\c&HBBGGRR&...}.
+
+        仅返回大括号包裹的 override 标签串；调用方拼到该行文本前即可。
+        未配置该覆盖项时返回空串。缺省字段继承主样式，不生成对应 tag。
+
+        Args:
+            line_index: 行号（0-based）；支持负数（-1 为最后一行）。
+            total_lines: 总行数（用于解析负数索引）。
+        """
+        if not self.line_overrides or total_lines <= 0:
+            return ""
+
+        # 解析负数索引
+        resolved = line_index if line_index >= 0 else total_lines + line_index
+        if resolved < 0 or resolved >= total_lines:
+            return ""
+
+        override: dict[str, Any] | None = None
+        for item in self.line_overrides:
+            if not isinstance(item, dict):
+                continue
+            idx = item.get("line_index")
+            try:
+                idx_int = int(idx) if idx is not None else None
+            except (TypeError, ValueError):
+                continue
+            if idx_int is None:
+                continue
+            if idx_int < 0:
+                idx_int = total_lines + idx_int
+            if idx_int == resolved:
+                override = item
+                break
+
+        if not override:
+            return ""
+
+        tags: list[str] = []
+
+        # 主色（字体颜色）：\c&HBBGGRR&
+        color_val = override.get("color")
+        if isinstance(color_val, str) and color_val:
+            tags.append(f"\\c{hex_to_ass_color(color_val)}")
+
+        # 字号：\fsN
+        size_val = override.get("size") or override.get("font_size")
+        try:
+            size_int = int(size_val) if size_val is not None else None
+            if size_int and size_int > 0:
+                tags.append(f"\\fs{size_int}")
+        except (TypeError, ValueError):
+            pass
+
+        # 字体：\fnFontName
+        font_val = override.get("font") or override.get("font_name")
+        if isinstance(font_val, str) and font_val:
+            tags.append(f"\\fn{font_val}")
+
+        # 粗体：\b1 / \b0
+        bold_val = override.get("bold")
+        if isinstance(bold_val, bool):
+            tags.append("\\b1" if bold_val else "\\b0")
+
+        # 斜体：\i1 / \i0
+        italic_val = override.get("italic")
+        if isinstance(italic_val, bool):
+            tags.append("\\i1" if italic_val else "\\i0")
+
+        # 描边色：\3c&HBBGGRR&
+        stroke_c = override.get("stroke_color")
+        if isinstance(stroke_c, str) and stroke_c:
+            tags.append(f"\\3c{hex_to_ass_color(stroke_c)}")
+
+        # 描边宽：\bordN
+        stroke_w = override.get("stroke_width")
+        try:
+            sw = float(stroke_w) if stroke_w is not None else None
+            if sw is not None and sw >= 0:
+                tags.append(f"\\bord{sw:g}")
+        except (TypeError, ValueError):
+            pass
+
+        # 阴影色：\4c&HBBGGRR&
+        shadow_c = override.get("shadow_color")
+        if isinstance(shadow_c, str) and shadow_c:
+            tags.append(f"\\4c{hex_to_ass_color(shadow_c)}")
+
+        # 阴影偏移：\shadN（单值，同时设置 x/y；精细控制用 \xshad/\yshad）
+        sx = override.get("shadow_offset_x")
+        sy = override.get("shadow_offset_y")
+        try:
+            sx_i = int(sx) if sx is not None else None
+            sy_i = int(sy) if sy is not None else None
+            if sx_i is not None:
+                tags.append(f"\\xshad{sx_i}")
+            if sy_i is not None:
+                tags.append(f"\\yshad{sy_i}")
+        except (TypeError, ValueError):
+            pass
+
+        if not tags:
+            return ""
+        return "{" + "".join(tags) + "}"
+
+    def apply_line_overrides(self, text: str) -> str:
+        """按 line_overrides 对 ASS 文本（已 escape、换行用 \\N 分隔）逐行套 override 标签.
+
+        仅对换行后的每行首加对应 override 标签；无 override 的行保持原样。
+        """
+        if not self.line_overrides or not text:
+            return text
+        if "\\N" not in text:
+            # 单行
+            tag = self.build_line_override_tag(0, 1)
+            return tag + text if tag else text
+        lines = text.split("\\N")
+        total = len(lines)
+        out: list[str] = []
+        for i, ln in enumerate(lines):
+            tag = self.build_line_override_tag(i, total)
+            out.append(tag + ln if tag else ln)
+        return "\\N".join(out)
+
 
 # ── 字幕片段 ──────────────────────────────────────────────────────────────────
 

packages/domain/video_filter_builder.py

@@ -388,6 +388,11 @@ DRAWTEXT_FONT_SEARCH_PATHS: list[str] = [
     "/usr/share/fonts/opentype/noto/NotoSansSC-VF.ttf",
     "/usr/share/fonts/opentype/noto/NotoSerifCJKsc-VF.otf",
     "/usr/share/fonts/truetype/lxgw/LXGWWenKai-Regular.ttf",
+    # #2001 爆款标题字体（优设标题黑 / 阿里普惠体 Bold / 抖音美好体 / 思源黑体 Heavy）
+    "/usr/share/fonts/truetype/xiaoxia/YouSheBiaoTiHei.ttf",
+    "/usr/share/fonts/truetype/xiaoxia/AlibabaPuHuiTi-Bold.ttf",
+    "/usr/share/fonts/truetype/xiaoxia/DouyinSansBold.otf",
+    "/usr/share/fonts/truetype/xiaoxia/NotoSansSC-Black.otf",
     "/usr/share/fonts/opentype/noto/NotoSansCJK-Regular.ttc",
     "/usr/share/fonts/opentype/noto/NotoSansCJK-Bold.ttc",
     "/usr/share/fonts/noto-cjk/NotoSansCJK-Regular.ttc",
@@ -400,6 +405,7 @@ DRAWTEXT_FONT_SEARCH_PATHS: list[str] = [
 # #1896 字体映射修复：每个字体映射到独立的关键字，而非全部回退到 NotoSansSC
 # - 苹方（macOS）/ 微软雅黑（Windows）/ PingFang：服务器 Linux 无对应文件，fallback 思源黑体
 # - 华康俪金黑：商业字体有版权风险，前端已按 #1896 要求移除，后端保留映射但 fallback 思源黑体（兼容老数据）
+# #2001 新增爆款标题字体映射
 DRAWTEXT_FONT_MAP: dict[str, str] = {
     "思源黑体": "NotoSansSC",
     "思源宋体": "NotoSerifCJKsc",
@@ -410,6 +416,15 @@ DRAWTEXT_FONT_MAP: dict[str, str] = {
     "楷体": "LXGWWenKai",
     "霞鹜文楷": "LXGWWenKai",
     "华康俪金黑": "NotoSansSC",
+    # #2001 爆款标题字体
+    "优设标题黑": "YouSheBiaoTiHei",
+    "阿里普惠体": "AlibabaPuHuiTi-Bold",
+    "阿里普惠体 Bold": "AlibabaPuHuiTi-Bold",
+    "阿里巴巴普惠体": "AlibabaPuHuiTi-Bold",
+    "抖音美好体": "DouyinSansBold",
+    "抖音体": "DouyinSansBold",
+    "思源黑体 Heavy": "NotoSansSC-Black",
+    "思源黑体 Black": "NotoSansSC-Black",
 }
 
 

tests/unit/test_ai_avatar_emotion_tts_lipsync.py

@@ -6,6 +6,7 @@ CI 增量映射:
   ai_avatar_cover_service 智能选帧
 """
 
+import importlib
 import os
 from unittest.mock import MagicMock, patch
 
@@ -166,6 +167,116 @@ def test_submit_synthesize_payload_cloned_voice_english_emotion():
     assert inp["instruction"] == "Speak in a sad tone."
 
 
+# ── style（语气风格，#2002）────────────────────────────────────────────
+
+
+def test_style_natural_omits_instruction():
+    """style=natural 不加 instruct，使用 CosyVoice 默认自然语气。"""
+    captured: dict = {}
+    svc = _make_service_with_captured_client(captured)
+
+    svc.submit_synthesize_task(text="你好", voice_id="myclone_voice", style="natural")
+
+    inp = captured["json"]["input"]
+    assert "instruction" not in inp
+
+
+def test_style_sweet_cloned_voice_uses_chinese_instruction():
+    """克隆音色 + style=sweet → 中文自然语言指令。"""
+    captured: dict = {}
+    svc = _make_service_with_captured_client(captured)
+
+    svc.submit_synthesize_task(text="你好", voice_id="myclone_voice", style="sweet")
+
+    inp = captured["json"]["input"]
+    assert inp["instruction"] == "用温柔甜美、亲切柔和的语气说话。"
+
+
+@pytest.mark.parametrize(
+    ("style", "expected_fragment"),
+    [
+        ("excited", "兴奋"),
+        ("professional", "专业"),
+        ("news", "新闻"),
+        ("livestream", "直播"),
+    ],
+)
+def test_style_values_cloned_voice(style, expected_fragment):
+    captured: dict = {}
+    svc = _make_service_with_captured_client(captured)
+
+    svc.submit_synthesize_task(text="你好", voice_id="myclone_voice", style=style)
+
+    inp = captured["json"]["input"]
+    assert expected_fragment in inp["instruction"]
+
+
+def test_style_system_voice_uses_emotion_mapping():
+    """系统白名单音色 + style=sweet → 严格中文 emotion 格式（映射到 sad）。"""
+    captured: dict = {}
+    svc = _make_service_with_captured_client(captured)
+
+    svc.submit_synthesize_task(text="你好", voice_id="longanyang", style="sweet")
+
+    inp = captured["json"]["input"]
+    assert inp["instruction"] == "你说话的情感是sad。"
+
+
+def test_style_takes_priority_over_emotion():
+    """同时传 style 和 emotion 时以 style 为准。"""
+    captured: dict = {}
+    svc = _make_service_with_captured_client(captured)
+
+    svc.submit_synthesize_task(text="你好", voice_id="myclone_voice", style="excited", emotion="sad")
+
+    inp = captured["json"]["input"]
+    assert "兴奋" in inp["instruction"]
+
+
+def test_unknown_style_ignored_falls_back_to_emotion():
+    """未知 style 值被忽略，回退到 emotion 逻辑。"""
+    captured: dict = {}
+    svc = _make_service_with_captured_client(captured)
+
+    svc.submit_synthesize_task(text="hi", voice_id="myclone_voice", style="nonexistent", emotion="sad")
+
+    inp = captured["json"]["input"]
+    assert inp["instruction"] == "Speak in a sad tone."
+
+
+def test_pitch_passed_only_when_non_default():
+    captured: dict = {}
+    svc = _make_service_with_captured_client(captured)
+
+    svc.submit_synthesize_task(text="hi", voice_id="myclone_voice", pitch=1.5)
+
+    inp = captured["json"]["input"]
+    assert inp["pitch"] == 1.5
+
+
+def test_pitch_omitted_at_default():
+    captured: dict = {}
+    svc = _make_service_with_captured_client(captured)
+
+    svc.submit_synthesize_task(text="hi", voice_id="myclone_voice", pitch=1.0)
+
+    inp = captured["json"]["input"]
+    assert "pitch" not in inp
+
+
+def test_resolve_style_maps_emotion_to_style():
+    """旧 emotion 值通过 resolve_style 映射为 style。"""
+    mod = importlib.import_module("packages.application.cosyvoice_service")
+
+    assert mod.resolve_style(emotion="happy") == "excited"
+    assert mod.resolve_style(emotion="sad") == "sweet"
+    assert mod.resolve_style(emotion="neutral") == "natural"
+    assert mod.resolve_style(style="news") == "news"
+    # style 优先
+    assert mod.resolve_style(style="news", emotion="happy") == "news"
+    assert mod.resolve_style() == ""
+
+
 # ── 对口型 TTS 直生分支 ─────────────────────────────────────────────────
 
 

tests/unit/test_ai_avatar_render_routes.py

@@ -50,6 +50,7 @@ def _make_mock_render_job(
     m.b_roll_segments = []
     m.title_config = {}
     m.cover_config = {}
+    m.cover_title_config = {}
     m.status = status
     m.progress = progress
     m.output_video_url = output_video_url
@@ -93,6 +94,7 @@ class TestRenderRoutes:
         body.b_roll_segments = []
         body.title_config = {}
         body.cover_config = {}
+        body.cover_title_config = {}
         body.project_id = ""
 
         result = create_render_job(
@@ -118,6 +120,7 @@ class TestRenderRoutes:
         body.b_roll_segments = []
         body.title_config = {}
         body.cover_config = {}
+        body.cover_title_config = {}
         body.project_id = ""
 
         with pytest.raises(HTTPException) as exc_info:
@@ -141,6 +144,7 @@ class TestRenderRoutes:
         body.b_roll_segments = []
         body.title_config = {}
         body.cover_config = {}
+        body.cover_title_config = {}
         body.project_id = ""
 
         with pytest.raises(HTTPException) as exc_info:

tests/unit/test_lipsync_routes.py

@@ -298,6 +298,7 @@ class TestLipsyncServiceUnit:
 
         mock_db = MagicMock()
         svc = LipsyncService(mock_db, client=mock_mediakit)
+        svc.settings.use_gpu_lipsync = False
 
         with pytest.raises(MediaKitError, match="API 调用失败"):
             svc.create_job(
@@ -473,6 +474,7 @@ class TestLipsyncServiceUnit:
             cosyvoice_service=mock_cosyvoice,
             voice_clone_repo=MagicMock(),
         )
+        svc.settings.use_gpu_lipsync = False
         job = svc.create_job(
             user_id="user-1",
             video_url="https://example.com/video.mp4",
@@ -616,12 +618,14 @@ class TestSignMediaUrl403Fix:
     def _svc(self, mock_mediakit, mock_cosyvoice):
         from app.services.lipsync_service import LipsyncService
 
-        return LipsyncService(
+        svc = LipsyncService(
             MagicMock(),
             client=mock_mediakit,
             cosyvoice_service=mock_cosyvoice,
             voice_clone_repo=MagicMock(),
         )
+        svc.settings.use_gpu_lipsync = False
+        return svc
 
     def test_own_oss_unsigned_url_gets_resigned(self, mock_mediakit, mock_cosyvoice):
         """裸 public_url（不带签名，私有桶匿名 403）必须被重签."""

tests/unit/test_subtitle_style.py

@@ -399,3 +399,226 @@ class TestSubtitleSegment:
     def test_is_valid_zero_duration(self):
         seg = SubtitleSegment(start=1, end=1, text="hello")
         assert seg.is_valid is False
+
+
+# ── line_overrides 逐行样式覆盖测试 ─────────────────────────────────────────
+
+
+class TestBuildLineOverrideTag:
+    def test_empty_overrides_returns_empty(self):
+        style = SubtitleStyle()
+        assert style.build_line_override_tag(0, 1) == ""
+
+    def test_no_matching_line_returns_empty(self):
+        style = SubtitleStyle.from_dict({"line_overrides": [{"line_index": 1, "color": "#FF0000"}]})
+        assert style.build_line_override_tag(0, 2) == ""
+
+    def test_out_of_range_index_returns_empty(self):
+        style = SubtitleStyle.from_dict({"line_overrides": [{"line_index": 5, "color": "#FF0000"}]})
+        assert style.build_line_override_tag(0, 2) == ""
+
+    def test_negative_index_resolves_from_end(self):
+        style = SubtitleStyle.from_dict(
+            {
+                "line_overrides": [{"line_index": -1, "color": "#FF0000", "font_size": 48}],
+            }
+        )
+        tag = style.build_line_override_tag(-1, 3)  # last line, 3 lines total
+        assert tag
+        assert "\\c&H000000FF" in tag  # red
+        assert "\\fs48" in tag
+        assert tag.startswith("{") and tag.endswith("}")
+
+    def test_color_override(self):
+        style = SubtitleStyle.from_dict(
+            {
+                "line_overrides": [{"line_index": 0, "color": "#00FF00"}],
+            }
+        )
+        tag = style.build_line_override_tag(0, 1)
+        assert "\\c&H0000FF00" in tag  # green = 00FF00 → bgr 00FF00
+
+    def test_font_size_override(self):
+        style = SubtitleStyle.from_dict(
+            {
+                "line_overrides": [{"line_index": 0, "font_size": 60}],
+            }
+        )
+        tag = style.build_line_override_tag(0, 1)
+        assert "\\fs60" in tag
+
+    def test_font_override(self):
+        style = SubtitleStyle.from_dict(
+            {
+                "line_overrides": [{"line_index": 0, "font": "优设标题黑"}],
+            }
+        )
+        tag = style.build_line_override_tag(0, 1)
+        assert "\\fn优设标题黑" in tag
+
+    def test_bold_on_off(self):
+        style_bold = SubtitleStyle.from_dict({"line_overrides": [{"line_index": 0, "bold": True}]})
+        assert "\\b1" in style_bold.build_line_override_tag(0, 1)
+        style_nobold = SubtitleStyle.from_dict({"line_overrides": [{"line_index": 0, "bold": False}]})
+        assert "\\b0" in style_nobold.build_line_override_tag(0, 1)
+
+    def test_italic_on_off(self):
+        style_italic = SubtitleStyle.from_dict({"line_overrides": [{"line_index": 0, "italic": True}]})
+        assert "\\i1" in style_italic.build_line_override_tag(0, 1)
+        style_noitalic = SubtitleStyle.from_dict({"line_overrides": [{"line_index": 0, "italic": False}]})
+        assert "\\i0" in style_noitalic.build_line_override_tag(0, 1)
+
+    def test_stroke_override(self):
+        style = SubtitleStyle.from_dict(
+            {
+                "line_overrides": [{"line_index": 0, "stroke_color": "#0000FF", "stroke_width": 3.0}],
+            }
+        )
+        tag = style.build_line_override_tag(0, 1)
+        assert "\\3c&H00FF0000" in tag  # blue bgr
+        assert "\\bord3" in tag
+
+    def test_shadow_override(self):
+        style = SubtitleStyle.from_dict(
+            {
+                "line_overrides": [
+                    {"line_index": 0, "shadow_color": "#000000", "shadow_offset_x": 2, "shadow_offset_y": 3}
+                ],
+            }
+        )
+        tag = style.build_line_override_tag(0, 1)
+        assert "\\4c&H00000000" in tag  # black
+        assert "\\xshad2" in tag
+        assert "\\yshad3" in tag
+
+    def test_full_combo(self):
+        style = SubtitleStyle.from_dict(
+            {
+                "line_overrides": [
+                    {
+                        "line_index": 0,
+                        "color": "#FF0000",
+                        "font_size": 72,
+                        "font": "抖音美好体",
+                        "bold": True,
+                        "italic": False,
+                        "stroke_color": "#FFFFFF",
+                        "stroke_width": 2,
+                        "shadow_color": "#000000",
+                        "shadow_offset_x": 0,
+                        "shadow_offset_y": 4,
+                    }
+                ],
+            }
+        )
+        tag = style.build_line_override_tag(0, 1)
+        assert "\\c&H000000FF" in tag
+        assert "\\fs72" in tag
+        assert "\\fn抖音美好体" in tag
+        assert "\\b1" in tag
+        assert "\\i0" in tag
+        assert "\\3c&H00FFFFFF" in tag
+        assert "\\bord2" in tag
+        assert "\\4c&H00000000" in tag
+        assert "\\xshad0" in tag
+        assert "\\yshad4" in tag
+
+    def test_empty_override_dict_returns_empty(self):
+        style = SubtitleStyle.from_dict({"line_overrides": [{"line_index": 0}]})
+        assert style.build_line_override_tag(0, 1) == ""
+
+    def test_non_dict_items_filtered(self):
+        # 从 dict 解析时已过滤，这里手动构造测试
+        style = SubtitleStyle(line_overrides=["not a dict", {"line_index": 0, "color": "#FF0000"}])
+        tag = style.build_line_override_tag(0, 1)
+        assert "\\c&H000000FF" in tag
+
+    def test_total_lines_zero_returns_empty(self):
+        style = SubtitleStyle.from_dict({"line_overrides": [{"line_index": 0, "color": "#FF0000"}]})
+        assert style.build_line_override_tag(0, 0) == ""
+
+    def test_line_index_none_skipped(self):
+        style = SubtitleStyle.from_dict({"line_overrides": [{"color": "#FF0000"}]})  # 无 line_index
+        assert style.build_line_override_tag(0, 1) == ""
+
+
+class TestApplyLineOverrides:
+    def test_empty_text_returns_empty(self):
+        style = SubtitleStyle.from_dict({"line_overrides": [{"line_index": 0, "color": "#FF0000"}]})
+        assert style.apply_line_overrides("") == ""
+
+    def test_no_overrides_returns_original(self):
+        style = SubtitleStyle()
+        assert style.apply_line_overrides("hello\\Nworld") == "hello\\Nworld"
+
+    def test_single_line(self):
+        style = SubtitleStyle.from_dict({"line_overrides": [{"line_index": 0, "color": "#FF0000", "font_size": 60}]})
+        result = style.apply_line_overrides("单行标题")
+        assert result.startswith("{")
+        assert "单行标题" in result
+        assert "\\c&H000000FF" in result
+
+    def test_multi_line_only_first_line_tagged(self):
+        style = SubtitleStyle.from_dict({"line_overrides": [{"line_index": 0, "color": "#FF0000", "font_size": 72}]})
+        result = style.apply_line_overrides("第一行\\N第二行\\N第三行")
+        lines = result.split("\\N")
+        assert len(lines) == 3
+        assert lines[0].startswith("{\\c&H000000FF")
+        assert "第一行" in lines[0]
+        assert lines[1] == "第二行"  # 无标签
+        assert lines[2] == "第三行"
+
+    def test_multi_line_middle_and_last(self):
+        style = SubtitleStyle.from_dict(
+            {
+                "line_overrides": [
+                    {"line_index": 0, "font_size": 72, "bold": True},
+                    {"line_index": -1, "color": "#00FF00", "font_size": 36},
+                ],
+            }
+        )
+        result = style.apply_line_overrides("主标题\\N副标题\\N脚注")
+        lines = result.split("\\N")
+        assert lines[0].startswith("{\\fs72\\b1}")
+        assert lines[1] == "副标题"
+        assert "\\c&H0000FF00" in lines[2]
+        assert "\\fs36" in lines[2]
+
+    def test_line_without_override_kept_verbatim(self):
+        style = SubtitleStyle.from_dict(
+            {
+                "line_overrides": [{"line_index": 1, "bold": True}],
+            }
+        )
+        result = style.apply_line_overrides("第一行\\N第二行")
+        lines = result.split("\\N")
+        assert lines[0] == "第一行"
+        assert lines[1].startswith("{\\b1}")
+        assert "第二行" in lines[1]
+
+
+class TestFromDictLineOverrides:
+    def test_from_dict_parses_line_overrides(self):
+        cfg = {
+            "line_overrides": [
+                {"line_index": 0, "color": "#FF0000", "bold": True},
+                {"line_index": 1, "font_size": 36},
+            ],
+        }
+        style = SubtitleStyle.from_dict(cfg)
+        assert len(style.line_overrides) == 2
+        assert style.line_overrides[0]["line_index"] == 0
+        assert style.line_overrides[1]["font_size"] == 36
+
+    def test_from_dict_filters_non_dict_items(self):
+        cfg = {"line_overrides": [{"line_index": 0, "color": "#FF0000"}, "bad", None, 123]}
+        style = SubtitleStyle.from_dict(cfg)
+        assert len(style.line_overrides) == 1
+
+    def test_from_dict_no_field_defaults_empty(self):
+        style = SubtitleStyle.from_dict({"font": "微软雅黑"})
+        assert style.line_overrides == []
+
+    def test_default_has_empty_list(self):
+        style = SubtitleStyle()
+        assert style.line_overrides == []

tests/unit/test_tts_preview.py

@@ -101,6 +101,9 @@ class TestTTSPreviewEndpoint:
             text="你好世界",
             voice_id="longxiaochun",
             speed=1.0,
+            style="",
+            volume=50,
+            pitch=1.0,
             emotion="",
             language="zh-CN",
         )
@@ -148,6 +151,9 @@ class TestTTSPreviewEndpoint:
             text="测试",
             voice_id="v1",
             speed=1.5,
+            style="",
+            volume=50,
+            pitch=1.0,
             emotion="",
             language="zh-CN",
         )
@@ -334,6 +340,9 @@ class TestTTSPreviewEndpoint:
             text="克隆音色测试",
             voice_id="cosyvoice_actual_voice_123",
             speed=1.0,
+            style="",
+            volume=50,
+            pitch=1.0,
             emotion="",
             language="zh-CN",
         )
@@ -412,6 +421,9 @@ class TestTTSPreviewEndpoint:
             text="预设音色测试",
             voice_id="longxiaoxia_v3",
             speed=1.0,
+            style="",
+            volume=50,
+            pitch=1.0,
             emotion="",
             language="zh-CN",
         )