diff --git a/src/components/subtitle/KeywordEffectsSettings.vue b/src/components/subtitle/KeywordEffectsSettings.vue
index 75fa5cb..3354182 100644
--- a/src/components/subtitle/KeywordEffectsSettings.vue
+++ b/src/components/subtitle/KeywordEffectsSettings.vue
@@ -1,12 +1,34 @@
 <script setup>
-import { computed, ref } from "vue";
+import { computed, ref, watch } from "vue";
+import { storeToRefs } from "pinia";
 import {
   SUBTITLE_FONT_OPTIONS,
   buildSubtitlePreviewBoxStyle,
 } from "../../config/subtitleStylePresets.js";
+import { useWorkflowStore } from "../../stores/workflow.js";
+import {
+  BUILTIN_KEYWORD_GROUP_NAMES,
+  syncWorkflowKeywordsIntoConfig,
+  workflowStoreToKeywordFields,
+} from "../../utils/workflowKeywordGroups.js";
 
 const config = defineModel("config", { type: Object, required: true });
 
+const workflow = useWorkflowStore();
+const { keywordsFocus, keywordsDescribe, keywordsAction, keywordsEmotion } =
+  storeToRefs(workflow);
+
+watch(
+  [keywordsFocus, keywordsDescribe, keywordsAction, keywordsEmotion],
+  () => {
+    syncWorkflowKeywordsIntoConfig(
+      config.value,
+      workflowStoreToKeywordFields(workflow),
+    );
+  },
+  { immediate: true },
+);
+
 const importInputRef = ref(null);
 const newGroupName = ref("");
 const editingGroupIndex = ref(-1);
@@ -17,7 +39,7 @@ const renderModeOptions = [
   { label: "浮动特效", value: "floating" },
 ];
 
-const builtinGroupNames = new Set(["行动词", "情感词", "描述词", "重点词/成语词"]);
+const builtinGroupNames = BUILTIN_KEYWORD_GROUP_NAMES;
 
 const enableKeywordEffects = computed({
   get: () => config.value.enableKeywordEffects !== false,
@@ -215,6 +237,9 @@ async function importGroups(event) {
 
       <div class="rounded-lg border border-slate-600/40 bg-slate-900/40 p-3">
         <h6 class="mb-3 text-sm font-medium text-slate-200">关键词分组管理</h6>
+        <p class="mb-3 text-xs text-amber-200/90">
+          重点词/描述词/行动词/情感词的内容来自步骤 04「标题标签关键词」，此处仅编辑各分组样式与特效；修改关键词请回到步骤 04。
+        </p>
 
         <div class="mb-4 rounded bg-slate-800/60 p-3">
           <div class="flex gap-2">
@@ -284,12 +309,21 @@ async function importGroups(event) {
                     color: '#fff',
                     border: 'none',
                   }"
-                  class="cursor-pointer"
-                  @click="removeKeyword(group, keyword)"
+                  :class="
+                    builtinGroupNames.has(group.groupName)
+                      ? 'cursor-default'
+                      : 'cursor-pointer'
+                  "
+                  @click="
+                    !builtinGroupNames.has(group.groupName) &&
+                      removeKeyword(group, keyword)
+                  "
                 />
               </div>
-              <div v-else class="text-xs text-slate-500">暂无关键词</div>
-              <div class="mt-2 flex gap-2">
+              <div v-else class="text-xs text-slate-500">
+                {{ builtinGroupNames.has(group.groupName) ? "请先在步骤 04 生成关键词" : "暂无关键词" }}
+              </div>
+              <div v-if="!builtinGroupNames.has(group.groupName)" class="mt-2 flex gap-2">
                 <InputText
                   v-model="keywordInputs[i]"
                   size="small"
diff --git a/src/components/subtitle/SubtitlePreviewCard.vue b/src/components/subtitle/SubtitlePreviewCard.vue
index b05cf5c..5832807 100644
--- a/src/components/subtitle/SubtitlePreviewCard.vue
+++ b/src/components/subtitle/SubtitlePreviewCard.vue
@@ -14,6 +14,8 @@ const props = defineProps({
   subtitleStyle: { type: Object, default: null },
   titleSubtitleConfig: { type: Object, default: null },
   keywordGroupsStyles: { type: Array, default: () => [] },
+  /** 步骤 04 关键词，用于预览高亮 */
+  accentKeywords: { type: Array, default: () => [] },
   keywordRenderMode: { type: String, default: "inline-emphasis" },
   previewConfig: { type: Object, default: null },
   isSelected: { type: Boolean, default: false },
@@ -95,6 +97,10 @@ const keywordAccentStyle = computed(() => {
   );
 });
 
+const accentList = computed(() =>
+  (props.accentKeywords || []).filter((k) => String(k || "").trim()),
+);
+
 const normalStyle = computed(() =>
   buildBaseTextStyle(props.subtitleStyle, {
     previewScale: props.previewScale,
@@ -135,7 +141,7 @@ const subtitleLines = computed(() => {
         ? fallbackInline
         : fallbackClassic;
   const lines = inlineEmphasis.value
-    ? base.map((line) => injectAccentMarkers(line, true))
+    ? base.map((line) => injectAccentMarkers(line, true, accentList.value))
     : base;
   return lines.map((line) => parseSubtitleLine(line, inlineEmphasis.value));
 });
diff --git a/src/components/subtitle/SubtitleTemplateDialog.vue b/src/components/subtitle/SubtitleTemplateDialog.vue
index f9a0b49..f6f83cb 100644
--- a/src/components/subtitle/SubtitleTemplateDialog.vue
+++ b/src/components/subtitle/SubtitleTemplateDialog.vue
@@ -16,8 +16,15 @@ import {
 } from "../../services/subtitleTemplateCatalog.js";
 import {
   createEditDraft,
+  deepClone,
   syncTitleLinesFromReference,
 } from "../../utils/subtitleTemplateDraft.js";
+import {
+  collectWorkflowAccentKeywords,
+  syncWorkflowKeywordsIntoConfig,
+  syncWorkflowKeywordsIntoDraft,
+  workflowStoreToKeywordFields,
+} from "../../utils/workflowKeywordGroups.js";
 
 const visible = defineModel("visible", { type: Boolean, default: false });
 
@@ -30,6 +37,8 @@ const emit = defineEmits(["select", "update:selectedId"]);
 const workflow = useWorkflowStore();
 const { titleGenerated } = storeToRefs(workflow);
 
+const step4AccentKeywords = computed(() => collectWorkflowAccentKeywords(workflow));
+
 const templates = ref([]);
 const loading = ref(false);
 const feedback = ref({ severity: "", message: "" });
@@ -75,8 +84,13 @@ function showMsg(severity, message) {
 }
 
 function selectTemplate(template) {
-  selectedTemplateId.value = template.id;
-  emit("select", template);
+  const picked = deepClone(template);
+  syncWorkflowKeywordsIntoConfig(
+    picked.config,
+    workflowStoreToKeywordFields(workflow),
+  );
+  selectedTemplateId.value = picked.id;
+  emit("select", picked);
   visible.value = false;
 }
 
@@ -150,6 +164,10 @@ function onDelete(template) {
 
 function enterEditMode(template, isNew = false) {
   editingDraft.value = createEditDraft(template);
+  syncWorkflowKeywordsIntoDraft(
+    editingDraft.value,
+    workflowStoreToKeywordFields(workflow),
+  );
   if (titleGenerated.value?.trim()) {
     syncTitleLinesFromReference(editingDraft.value, titleGenerated.value);
   }
@@ -270,6 +288,7 @@ function confirmSaveTemplate() {
               :subtitle-style="tpl.config?.subtitleStyle"
               :title-subtitle-config="tpl.config?.titleSubtitleConfig"
               :keyword-groups-styles="tpl.config?.keywordGroupsStyles"
+              :accent-keywords="step4AccentKeywords"
               :keyword-render-mode="tpl.config?.keywordRenderMode"
               :preview-config="tpl.config?.previewConfig"
               :is-selected="selectedTemplateId === tpl.id"
diff --git a/src/components/subtitle/SubtitleTemplateEditor.vue b/src/components/subtitle/SubtitleTemplateEditor.vue
index 9f52ce1..3509f7a 100644
--- a/src/components/subtitle/SubtitleTemplateEditor.vue
+++ b/src/components/subtitle/SubtitleTemplateEditor.vue
@@ -1,5 +1,7 @@
 <script setup>
 import { computed } from "vue";
+import { useWorkflowStore } from "../../stores/workflow.js";
+import { collectWorkflowAccentKeywords } from "../../utils/workflowKeywordGroups.js";
 import SubtitlePreviewCard from "./SubtitlePreviewCard.vue";
 import SubtitleStyleSelector from "./SubtitleStyleSelector.vue";
 import TitleSubtitleSettings from "./TitleSubtitleSettings.vue";
@@ -7,6 +9,9 @@ import KeywordEffectsSettings from "./KeywordEffectsSettings.vue";
 
 const draft = defineModel("draft", { type: Object, required: true });
 
+const workflow = useWorkflowStore();
+const step4AccentKeywords = computed(() => collectWorkflowAccentKeywords(workflow));
+
 defineProps({
   referenceTitle: { type: String, default: "" },
 });
@@ -39,6 +44,7 @@ const config = computed({
           :subtitle-style="config.subtitleStyle"
           :title-subtitle-config="config.titleSubtitleConfig"
           :keyword-groups-styles="config.keywordGroupsStyles"
+          :accent-keywords="step4AccentKeywords"
           :keyword-render-mode="config.keywordRenderMode"
           :preview-config="config.previewConfig"
           :preview-scale="0.42"
diff --git a/src/components/workflow/Step05SubtitleMusic.vue b/src/components/workflow/Step05SubtitleMusic.vue
index 496a960..a943d80 100644
--- a/src/components/workflow/Step05SubtitleMusic.vue
+++ b/src/components/workflow/Step05SubtitleMusic.vue
@@ -101,7 +101,7 @@ async function onOpenVideoInExplorer() {
       用步骤 01 文案替换识别文本，保留语音时间轴
     </p>
     <p class="dashboard-muted mt-1 pl-6 text-xs">
-      步骤 04 生成的关键词将以高亮 drawtext 叠加（pulse 缩放特效）
+      步骤 04 关键词按模板分组样式烧录（重点词/描述词/行动词/情感词）
     </p>
 
     <div class="mt-2 flex flex-wrap items-center gap-2">
diff --git a/src/services/subtitleBgmGenerate.js b/src/services/subtitleBgmGenerate.js
index f9a982b..0720815 100644
--- a/src/services/subtitleBgmGenerate.js
+++ b/src/services/subtitleBgmGenerate.js
@@ -5,6 +5,7 @@ import { ensureAppConfigReady } from "../config/videoPipeline.js";
 import { getSubtitleTemplate } from "../config/subtitleTemplates.js";
 import { getSubtitleTemplateById } from "./subtitleTemplateCatalog.js";
 import { buildSubtitleBurnStyle } from "../utils/subtitlePreviewStyle.js";
+import { buildKeywordGroupsForBurn } from "../utils/workflowKeywordGroups.js";
 import { localAudioToPlayableUrl } from "./localAudio.js";
 import { localVideoToPlayableUrl } from "./localVideo.js";
 
@@ -82,6 +83,10 @@ export async function executeGenerateSubtitleAndBgm(store) {
     };
   }
 
+  const enableKeywordEffects =
+    fullTemplate?.config?.enableKeywordEffects !== false;
+  const keywordGroups = buildKeywordGroupsForBurn(fullTemplate, store);
+
   store.subtitleBgmGenerating = true;
   clearSubtitlePreview(store);
 
@@ -94,7 +99,8 @@ export async function executeGenerateSubtitleAndBgm(store) {
         smartSubtitle: store.smartSubtitle,
         scriptContent: store.scriptContent || "",
         subtitleStyle,
-        enableKeywordEffects: true,
+        enableKeywordEffects,
+        keywordGroups,
         keywordsFocus: store.keywordsFocus || "",
         keywordsDescribe: store.keywordsDescribe || "",
         keywordsAction: store.keywordsAction || "",
diff --git a/src/utils/subtitlePreviewStyle.js b/src/utils/subtitlePreviewStyle.js
index fb7f367..5a3dbdf 100644
--- a/src/utils/subtitlePreviewStyle.js
+++ b/src/utils/subtitlePreviewStyle.js
@@ -195,9 +195,13 @@ export function buildTitleLineStyle(style, index, total, previewScale = 0.33) {
  * @param {string} line
  * @param {boolean} inlineEmphasis
  */
-export function injectAccentMarkers(line, inlineEmphasis) {
+export function injectAccentMarkers(line, inlineEmphasis, accentKeywords = []) {
   if (!line || line.includes("[") || line.includes("]")) return line;
-  const keyword = ACCENT_KEYWORDS.find((k) => line.includes(k));
+  const pool =
+    Array.isArray(accentKeywords) && accentKeywords.length
+      ? accentKeywords
+      : ACCENT_KEYWORDS;
+  const keyword = pool.find((k) => k && line.includes(k));
   if (keyword) return line.replace(keyword, `[${keyword}]`);
   const trimmed = line.trim();
   if (trimmed.length < 4) return trimmed;
diff --git a/src/utils/subtitleTemplateDraft.js b/src/utils/subtitleTemplateDraft.js
index f2253c7..7c49f43 100644
--- a/src/utils/subtitleTemplateDraft.js
+++ b/src/utils/subtitleTemplateDraft.js
@@ -1,3 +1,5 @@
+import { ensureBuiltinKeywordGroups } from "./workflowKeywordGroups.js";
+
 /**
  * @template T
  * @param {T} value
@@ -52,6 +54,7 @@ export function createEditDraft(template) {
   if (!draft.config.keywordRenderMode) {
     draft.config.keywordRenderMode = "inline-emphasis";
   }
+  ensureBuiltinKeywordGroups(draft.config);
   return draft;
 }
 
diff --git a/src/utils/workflowKeywordGroups.js b/src/utils/workflowKeywordGroups.js
new file mode 100644
index 0000000..3b5d8dd
--- /dev/null
+++ b/src/utils/workflowKeywordGroups.js
@@ -0,0 +1,208 @@
+/**
+ * 步骤 04 关键词 ↔ 字幕模板 keywordGroupsStyles（对齐 Electron 四分组）
+ */
+
+/** @template T @param {T} value @returns {T} */
+function deepClone(value) {
+  return JSON.parse(JSON.stringify(value));
+}
+
+/** @typedef {{ id: string, groupName: string, storeField: string }} Step4GroupDef */
+
+/** @type {Step4GroupDef[]} */
+export const STEP4_KEYWORD_GROUP_DEFS = [
+  { id: "focus", groupName: "重点词/成语词", storeField: "keywordsFocus" },
+  { id: "describe", groupName: "描述词", storeField: "keywordsDescribe" },
+  { id: "action", groupName: "行动词", storeField: "keywordsAction" },
+  { id: "emotion", groupName: "情感词", storeField: "keywordsEmotion" },
+];
+
+export const BUILTIN_KEYWORD_GROUP_NAMES = new Set(
+  STEP4_KEYWORD_GROUP_DEFS.map((d) => d.groupName),
+);
+
+const DEFAULT_BUILTIN_STYLES = {
+  "重点词/成语词": {
+    fontColor: "#FFD700",
+    outlineColor: "#FF8C00",
+    outlineWidth: 4,
+    fontSize: 28,
+  },
+  描述词: {
+    fontColor: "#5AC8FA",
+    outlineColor: "#007AFF",
+    outlineWidth: 3,
+    fontSize: 26,
+  },
+  行动词: {
+    fontColor: "#34C759",
+    outlineColor: "#248A3D",
+    outlineWidth: 3,
+    fontSize: 26,
+  },
+  情感词: {
+    fontColor: "#FF6B6B",
+    outlineColor: "#C92A2A",
+    outlineWidth: 3,
+    fontSize: 26,
+  },
+};
+
+/**
+ * @param {string} text
+ * @returns {string[]}
+ */
+export function parseKeywordLines(text) {
+  return String(text || "")
+    .split(/[\n,，、]+/)
+    .map((s) => s.trim())
+    .filter(Boolean);
+}
+
+/**
+ * @param {import('../services/subtitleTemplateCatalog.js').SubtitleTemplateItem | Record<string, unknown>} templateOrConfig
+ * @returns {Record<string, unknown>}
+ */
+function getConfig(templateOrConfig) {
+  if (!templateOrConfig) return {};
+  if (templateOrConfig.config) return templateOrConfig.config;
+  return templateOrConfig;
+}
+
+/**
+ * @param {Step4GroupDef} def
+ * @param {Record<string, unknown>} [subtitleStyle]
+ */
+function createDefaultBuiltinGroup(def, subtitleStyle) {
+  const base = DEFAULT_BUILTIN_STYLES[def.groupName] || DEFAULT_BUILTIN_STYLES["重点词/成语词"];
+  return {
+    groupName: def.groupName,
+    description: `步骤04 · ${def.groupName}`,
+    keywords: [],
+    color: base.fontColor,
+    effectId: "pulse-scale",
+    effectDuration: null,
+    styleOverride: {
+      fontName: subtitleStyle?.fontName || "Microsoft YaHei",
+      fontSize: base.fontSize,
+      fontColor: base.fontColor,
+      outlineColor: base.outlineColor,
+      outlineWidth: base.outlineWidth,
+    },
+    soundEffectId: null,
+    soundEffectConfig: null,
+  };
+}
+
+/**
+ * @param {Record<string, unknown>} config
+ */
+export function ensureBuiltinKeywordGroups(config) {
+  const cfg = config || {};
+  if (!Array.isArray(cfg.keywordGroupsStyles)) {
+    cfg.keywordGroupsStyles = [];
+  }
+  const list = cfg.keywordGroupsStyles;
+  const subtitleStyle = cfg.subtitleStyle || {};
+
+  for (const def of STEP4_KEYWORD_GROUP_DEFS) {
+    let group = list.find((g) => g?.groupName === def.groupName);
+    if (!group) {
+      group = createDefaultBuiltinGroup(def, subtitleStyle);
+      list.push(group);
+    }
+    if (!group.styleOverride) {
+      group.styleOverride = createDefaultBuiltinGroup(def, subtitleStyle).styleOverride;
+    }
+    if (!group.color && group.styleOverride?.fontColor) {
+      group.color = group.styleOverride.fontColor;
+    }
+  }
+  return list;
+}
+
+/**
+ * 将步骤 04 关键词写入模板分组（仅更新 keywords，保留样式）
+ * @param {Record<string, unknown>} config
+ * @param {Record<string, string>} storeFields keywordsFocus 等
+ */
+export function syncWorkflowKeywordsIntoConfig(config, storeFields) {
+  const groups = ensureBuiltinKeywordGroups(config);
+  for (const def of STEP4_KEYWORD_GROUP_DEFS) {
+    const group = groups.find((g) => g.groupName === def.groupName);
+    if (!group) continue;
+    const lines = parseKeywordLines(storeFields[def.storeField]);
+    group.keywords = lines;
+  }
+  return groups;
+}
+
+/**
+ * @param {import('../services/subtitleTemplateCatalog.js').SubtitleTemplateItem} draft
+ * @param {Record<string, string>} storeFields
+ */
+export function syncWorkflowKeywordsIntoDraft(draft, storeFields) {
+  if (!draft?.config) return;
+  syncWorkflowKeywordsIntoConfig(draft.config, storeFields);
+}
+
+/**
+ * @param {Record<string, unknown>} store pinia workflow state
+ */
+export function workflowStoreToKeywordFields(store) {
+  return {
+    keywordsFocus: store.keywordsFocus || "",
+    keywordsDescribe: store.keywordsDescribe || "",
+    keywordsAction: store.keywordsAction || "",
+    keywordsEmotion: store.keywordsEmotion || "",
+  };
+}
+
+/**
+ * 预览用：合并四组全部关键词
+ * @param {Record<string, unknown>} store
+ * @returns {string[]}
+ */
+export function collectWorkflowAccentKeywords(store) {
+  const fields = workflowStoreToKeywordFields(store);
+  const all = [];
+  for (const def of STEP4_KEYWORD_GROUP_DEFS) {
+    all.push(...parseKeywordLines(fields[def.storeField]));
+  }
+  return [...new Set(all)];
+}
+
+/**
+ * 生成字幕时：步骤04 词 + 模板分组样式
+ * @param {import('../services/subtitleTemplateCatalog.js').SubtitleTemplateItem | null} template
+ * @param {Record<string, unknown>} store
+ * @returns {Array<Record<string, unknown>>}
+ */
+export function buildKeywordGroupsForBurn(template, store) {
+  const config = getConfig(template);
+  if (config.enableKeywordEffects === false) return [];
+
+  const fields = workflowStoreToKeywordFields(store);
+  const groups = syncWorkflowKeywordsIntoConfig(deepClone(config), fields);
+
+  return groups
+    .filter((g) => Array.isArray(g.keywords) && g.keywords.length > 0)
+    .map((g) => ({
+      id: g.id || g.groupName,
+      groupName: g.groupName,
+      name: g.groupName,
+      effectId: g.effectId || "pulse-scale",
+      styleOverride: g.styleOverride || {},
+      styleConfig: g.styleOverride || {},
+      keywords: [...g.keywords],
+    }));
+}
+
+/**
+ * @param {Array<Record<string, unknown>>} keywordGroupsStyles
+ * @param {string} groupName
+ */
+export function findKeywordGroupStyle(keywordGroupsStyles, groupName) {
+  const list = Array.isArray(keywordGroupsStyles) ? keywordGroupsStyles : [];
+  return list.find((g) => g?.groupName === groupName) || null;
+}