diff --git a/Assets/Editor/Huoshan/ExpressionLocalizationTests.cs b/Assets/Editor/Huoshan/ExpressionLocalizationTests.cs
index 529e06503..2d6d0029a 100644
--- a/Assets/Editor/Huoshan/ExpressionLocalizationTests.cs
+++ b/Assets/Editor/Huoshan/ExpressionLocalizationTests.cs
@@ -22,6 +22,8 @@ namespace AibisDream.EditorTests.Huoshan
     {
         private const string CatalogPath =
             "Assets/GameContent/Feature_Huoshan/Expression/ExpressionContentCatalog.asset";
+        private const string ParticleProfilePath =
+            "Assets/GameContent/Feature_Huoshan/Expression/ExpressionParticleLanguageProfile.asset";
 
         [TestCase(null, false)]
         [TestCase("", false)]
@@ -208,6 +210,210 @@ namespace AibisDream.EditorTests.Huoshan
                 Is.False);
         }
 
+        [Test]
+        public void ParticleLanguageProfile_ResolvesExactPrefixAndFallbackModes()
+        {
+            ExpressionParticleLanguageProfile profile =
+                AssetDatabase.LoadAssetAtPath<ExpressionParticleLanguageProfile>(
+                    ParticleProfilePath);
+            Assert.That(profile, Is.Not.Null);
+            Assert.That(profile.GetValidationErrors(), Is.Empty);
+
+            Assert.That(
+                profile.Resolve(new LocaleIdentifier("zh-Hans")).UnitMode,
+                Is.EqualTo(ExpressionParticleUnitMode.Grapheme));
+            Assert.That(
+                profile.Resolve(new LocaleIdentifier("ja-JP")).UnitMode,
+                Is.EqualTo(ExpressionParticleUnitMode.Grapheme));
+
+            foreach (string localeCode in new[] { "en", "es", "ru", "pt-BR" })
+            {
+                Assert.That(
+                    profile.Resolve(new LocaleIdentifier(localeCode)).UnitMode,
+                    Is.EqualTo(ExpressionParticleUnitMode.Word),
+                    localeCode);
+            }
+
+            Assert.That(
+                profile.Resolve(new LocaleIdentifier("en-US")).LocaleCode,
+                Is.EqualTo("en"));
+
+            LogAssert.Expect(
+                LogType.Warning,
+                new Regex(@"Locale 'zz-ZZ'.*Grapheme"));
+            Assert.That(
+                profile.Resolve(new LocaleIdentifier("zz-ZZ")).UnitMode,
+                Is.EqualTo(ExpressionParticleUnitMode.Grapheme));
+        }
+
+        [Test]
+        public void WordTokenizer_UsesWhitespaceBoundariesAndKeepsPunctuation()
+        {
+            Assert.That(
+                ExpressionTextTokenizer.TokenizeText(
+                    "I am not a joke",
+                    ExpressionParticleUnitMode.Word),
+                Is.EqualTo(new[] { "I", "am", "not", "a", "joke" }));
+            Assert.That(
+                ExpressionTextTokenizer.TokenizeText(
+                    "don't self-doubt ¿Por qué? веришь?",
+                    ExpressionParticleUnitMode.Word),
+                Is.EqualTo(new[]
+                {
+                    "don't",
+                    "self-doubt",
+                    "¿Por",
+                    "qué?",
+                    "веришь?"
+                }));
+            Assert.That(
+                ExpressionTextTokenizer.TokenizeText(
+                    "one \t\r\n  two",
+                    ExpressionParticleUnitMode.Word),
+                Is.EqualTo(new[] { "one", "two" }));
+        }
+
+        [Test]
+        public void GraphemeTokenizer_PreservesCjkKanaAndCombiningCharacters()
+        {
+            const string combining = "e\u0301";
+            Assert.That(
+                ExpressionTextTokenizer.TokenizeText(
+                    $"汉 あ {combining}",
+                    ExpressionParticleUnitMode.Grapheme),
+                Is.EqualTo(new[] { "汉", "あ", combining }));
+        }
+
+        [Test]
+        public void WordPool_PreservesDuplicateWeightsAndRejectsPipeSeparators()
+        {
+            Assert.That(
+                LanguageYarnCommand.TryParseExpressionPool(
+                    "noise doubt noise",
+                    ExpressionParticleUnitMode.Word,
+                    out List<string> pool),
+                Is.True);
+            Assert.That(pool, Is.EqualTo(new[] { "noise", "doubt", "noise" }));
+            Assert.That(
+                LanguageYarnCommand.TryParseExpressionPool(
+                    "noise|doubt",
+                    ExpressionParticleUnitMode.Word,
+                    out _),
+                Is.False);
+            Assert.That(
+                LanguageYarnCommand.TryParseExpressionPool(
+                    "noise｜doubt",
+                    ExpressionParticleUnitMode.Word,
+                    out _),
+                Is.False);
+        }
+
+        [Test]
+        public void RoundSnapshot_IsParsedOnceAndKeepsItsLocaleAndWordUnits()
+        {
+            ExpressionParticleLanguageProfile languageProfile =
+                AssetDatabase.LoadAssetAtPath<ExpressionParticleLanguageProfile>(
+                    ParticleProfilePath);
+            ExpressionParticleLocaleSettings english =
+                languageProfile.Resolve(new LocaleIdentifier("en"));
+            Assert.That(
+                ExpressionRoundTextSnapshot.TryCreate(
+                    new LocaleIdentifier("en"),
+                    english,
+                    "I am not a joke",
+                    new[] { "false alarm", "false alarm" },
+                    "noise doubt noise",
+                    out ExpressionRoundTextSnapshot snapshot,
+                    out string error),
+                Is.True,
+                error);
+
+            Locale previous = LocalizationSettings.SelectedLocale;
+            try
+            {
+                LocalizationSettings.SelectedLocale =
+                    LocalizationEditorSettings.GetLocale(
+                        new LocaleIdentifier("zh-Hans"));
+
+                Assert.That(snapshot.Locale.Code, Is.EqualTo("en"));
+                Assert.That(
+                    snapshot.TargetUnits,
+                    Is.EqualTo(new[] { "I", "am", "not", "a", "joke" }));
+                Assert.That(
+                    snapshot.InterferencePoolUnits,
+                    Is.EqualTo(new[] { "false", "alarm", "false", "alarm" }));
+                Assert.That(
+                    snapshot.DefaultPoolUnits,
+                    Is.EqualTo(new[] { "noise", "doubt", "noise" }));
+            }
+            finally
+            {
+                LocalizationSettings.SelectedLocale = previous;
+            }
+        }
+
+        [Test]
+        public void WordProfile_ScalesConfiguredNonTargetCounts()
+        {
+            ExpressionParticleLanguageProfile profile =
+                AssetDatabase.LoadAssetAtPath<ExpressionParticleLanguageProfile>(
+                    ParticleProfilePath);
+            ExpressionParticleLocaleSettings english =
+                profile.Resolve(new LocaleIdentifier("en"));
+
+            Assert.That(english.ScaleNonTargetCount(16), Is.EqualTo(10));
+            Assert.That(english.ScaleNonTargetCount(28), Is.EqualTo(18));
+            Assert.That(english.ScaleNonTargetCount(38), Is.EqualTo(25));
+        }
+
+        [Test]
+        public void ParticleGeometry_UsesVisualEdgeDistanceAndShortestSeparationAxis()
+        {
+            var left = new Bounds(Vector3.zero, new Vector3(4f, 1f, 0.01f));
+            var right = new Bounds(
+                new Vector3(4.15f, 0f, 0f),
+                new Vector3(4f, 1f, 0.01f));
+
+            Assert.That(
+                ExpressionParticleGeometry.BoundsDistance(left, right),
+                Is.EqualTo(0.15f).Within(0.0001f));
+
+            right.center = new Vector3(3.8f, 0f, 0f);
+            Assert.That(
+                ExpressionParticleGeometry.TryGetSeparation(
+                    left,
+                    right,
+                    0.1f,
+                    out Vector2 direction,
+                    out float overlap),
+                Is.True);
+            Assert.That(direction, Is.EqualTo(Vector2.left));
+            Assert.That(overlap, Is.EqualTo(0.3f).Within(0.0001f));
+        }
+
+        [Test]
+        public void TextParticle_VisualBoundsIncludesTheWholeWordForPointerDistance()
+        {
+            var gameObject = new GameObject("TextParticleBoundsTest");
+            try
+            {
+                CandidateParticle particle =
+                    gameObject.AddComponent<CandidateParticle>();
+                particle.ForceSetUnitText("self-doubt");
+                Bounds bounds = particle.GetVisualWorldBounds();
+
+                Assert.That(bounds.size.x, Is.GreaterThan(0f));
+                Assert.That(
+                    particle.DistanceToVisualBounds(
+                        new Vector2(bounds.max.x, bounds.center.y)),
+                    Is.EqualTo(0f).Within(0.0001f));
+            }
+            finally
+            {
+                Object.DestroyImmediate(gameObject);
+            }
+        }
+
         [Test]
         public void Params_ContainsLocalizedExpressPoolForEveryLocale()
         {
@@ -250,28 +456,28 @@ namespace AibisDream.EditorTests.Huoshan
             try
             {
                 CandidateParticle particle = gameObject.AddComponent<CandidateParticle>();
-                Assert.That(particle.currentChar, Is.Empty);
+                Assert.That(particle.CurrentUnitText, Is.Null.Or.Empty);
 
                 string combining = "e\u0301";
-                particle.SetCharacterPools(
+                particle.SetUnitPools(
                     new[] { "😀" },
                     new[] { combining });
 
                 particle.originalIsRed = true;
-                particle.InitializeRandomCharacter();
-                Assert.That(particle.currentChar, Is.EqualTo("😀"));
+                particle.InitializeRandomUnit();
+                Assert.That(particle.CurrentUnitText, Is.EqualTo("😀"));
 
                 particle.originalIsRed = false;
-                particle.InitializeRandomCharacter();
-                Assert.That(particle.currentChar, Is.EqualTo(combining));
+                particle.InitializeRandomUnit();
+                Assert.That(particle.CurrentUnitText, Is.EqualTo(combining));
 
-                particle.SetOverrideCharacterPool(new[] { "。" });
-                particle.InitializeRandomCharacter();
-                Assert.That(particle.currentChar, Is.EqualTo("。"));
+                particle.SetOverrideUnitPool(new[] { "。" });
+                particle.InitializeRandomUnit();
+                Assert.That(particle.CurrentUnitText, Is.EqualTo("。"));
 
-                particle.SetOverrideCharacterPool(null);
-                particle.InitializeRandomCharacter();
-                Assert.That(particle.currentChar, Is.EqualTo(combining));
+                particle.SetOverrideUnitPool((IReadOnlyList<string>)null);
+                particle.InitializeRandomUnit();
+                Assert.That(particle.CurrentUnitText, Is.EqualTo(combining));
             }
             finally
             {
diff --git a/Assets/Editor/Huoshan/ExpressionLocalizationValidator.cs b/Assets/Editor/Huoshan/ExpressionLocalizationValidator.cs
index 9c657f7e0..7e4ee7283 100644
--- a/Assets/Editor/Huoshan/ExpressionLocalizationValidator.cs
+++ b/Assets/Editor/Huoshan/ExpressionLocalizationValidator.cs
@@ -43,6 +43,18 @@ namespace AibisDream.EditorTests.Huoshan
         private const string Stage6Path = "Assets/Yarn/FP/FP_Huoshan1/Stage6.yarn";
         private const string CatalogPath =
             "Assets/GameContent/Feature_Huoshan/Expression/ExpressionContentCatalog.asset";
+        private const string ParticleProfilePath =
+            "Assets/GameContent/Feature_Huoshan/Expression/ExpressionParticleLanguageProfile.asset";
+
+        private static readonly string[] SupportedLocaleCodes =
+        {
+            "zh-Hans",
+            "en",
+            "ja-JP",
+            "es",
+            "ru",
+            "pt-BR"
+        };
 
         private static readonly Regex YarnCommandRegex =
             new(@"^\s*<<(?<command>[A-Za-z0-9_]+)(?<arguments>.*?)>>", RegexOptions.Compiled);
@@ -110,10 +122,66 @@ namespace AibisDream.EditorTests.Huoshan
             ValidateCatalog(issues, referencedKeys);
             referencedKeys.Add(
                 LocalizationKit.GetL10NParamKey(ConstRef.ExpressParticlePoolParam));
-            ValidateParams(issues, referencedKeys);
+            ExpressionParticleLanguageProfile particleProfile =
+                ValidateParticleProfile(issues);
+            ValidateParams(issues, referencedKeys, particleProfile);
             return issues;
         }
 
+        private static ExpressionParticleLanguageProfile ValidateParticleProfile(
+            List<ExpressionLocalizationIssue> issues)
+        {
+            ExpressionParticleLanguageProfile profile =
+                AssetDatabase.LoadAssetAtPath<ExpressionParticleLanguageProfile>(
+                    ParticleProfilePath);
+            if (profile == null)
+            {
+                AddError(issues, $"找不到粒子语言 Profile：{ParticleProfilePath}");
+                return null;
+            }
+
+            foreach (string validationError in profile.GetValidationErrors())
+                AddError(issues, validationError);
+
+            foreach (string localeCode in SupportedLocaleCodes)
+            {
+                bool canResolve = profile.Locales.Any(settings =>
+                {
+                    if (settings == null ||
+                        string.IsNullOrWhiteSpace(settings.LocaleCode))
+                    {
+                        return false;
+                    }
+
+                    if (string.Equals(
+                        settings.LocaleCode,
+                        localeCode,
+                        StringComparison.OrdinalIgnoreCase))
+                    {
+                        return true;
+                    }
+
+                    string requestedLanguage =
+                        localeCode.Split('-')[0];
+                    string configuredLanguage =
+                        settings.LocaleCode.Split('-')[0];
+                    return string.Equals(
+                        requestedLanguage,
+                        configuredLanguage,
+                        StringComparison.OrdinalIgnoreCase);
+                });
+
+                if (!canResolve)
+                {
+                    AddError(
+                        issues,
+                        $"粒子语言 Profile 无法解析支持的 Locale：{localeCode}");
+                }
+            }
+
+            return profile;
+        }
+
         private static void ValidateStage6(
             List<ExpressionLocalizationIssue> issues,
             HashSet<string> referencedKeys)
@@ -190,7 +258,8 @@ namespace AibisDream.EditorTests.Huoshan
 
         private static void ValidateParams(
             List<ExpressionLocalizationIssue> issues,
-            HashSet<string> referencedKeys)
+            HashSet<string> referencedKeys,
+            ExpressionParticleLanguageProfile particleProfile)
         {
             StringTableCollection collection =
                 LocalizationEditorSettings.GetStringTableCollection(ConstRef.ParamsTable);
@@ -200,18 +269,10 @@ namespace AibisDream.EditorTests.Huoshan
                 return;
             }
 
-            StringTable chinese =
-                collection.GetTable(new LocaleIdentifier("zh-Hans")) as StringTable;
-            StringTable english =
-                collection.GetTable(new LocaleIdentifier("en")) as StringTable;
-            StringTable japanese =
-                collection.GetTable(new LocaleIdentifier("ja-JP")) as StringTable;
-            StringTable spanish =
-                collection.GetTable(new LocaleIdentifier("es")) as StringTable;
-            StringTable russian =
-                collection.GetTable(new LocaleIdentifier("ru")) as StringTable;
-            StringTable portuguese =
-                collection.GetTable(new LocaleIdentifier("pt-BR")) as StringTable;
+            var tables = SupportedLocaleCodes.ToDictionary(
+                code => code,
+                code => collection.GetTable(new LocaleIdentifier(code)) as StringTable,
+                StringComparer.OrdinalIgnoreCase);
             string poolKey =
                 LocalizationKit.GetL10NParamKey(ConstRef.ExpressParticlePoolParam);
 
@@ -223,128 +284,164 @@ namespace AibisDream.EditorTests.Huoshan
                     continue;
                 }
 
-                StringTableEntry chineseEntry = chinese?.GetEntry(key);
+                StringTableEntry chineseEntry = tables["zh-Hans"]?.GetEntry(key);
                 if (string.IsNullOrWhiteSpace(chineseEntry?.LocalizedValue))
                 {
                     AddError(issues, $"Params 中文值为空：{key}");
-                    continue;
                 }
 
-                if (key.EndsWith(".tokens", StringComparison.Ordinal))
+                foreach (string localeCode in SupportedLocaleCodes)
                 {
-                    ValidatePipeList(issues, key, chineseEntry.LocalizedValue);
-                }
+                    StringTable table = tables[localeCode];
+                    StringTableEntry entry = table?.GetEntry(key);
+                    if (entry == null)
+                    {
+                        if (string.Equals(
+                            localeCode,
+                            "zh-Hans",
+                            StringComparison.Ordinal))
+                        {
+                            AddError(
+                                issues,
+                                $"Params/{key} 缺少 {localeCode} 条目。");
+                        }
+                        else
+                        {
+                            issues.Add(new ExpressionLocalizationIssue(
+                                ExpressionLocalizationIssueSeverity.Warning,
+                                $"待翻译：Params/{key}, Locale={localeCode}（缺少条目）"));
+                        }
+                        continue;
+                    }
 
-                if (string.Equals(key, poolKey, StringComparison.Ordinal))
-                {
-                    ValidateCharacterPool(
-                        issues,
-                        key,
-                        "zh-Hans",
-                        chineseEntry.LocalizedValue);
-                    AddPendingPoolTranslation(issues, english, "en", key);
-                    AddPendingPoolTranslation(issues, japanese, "ja-JP", key);
-                    AddPendingPoolTranslation(issues, spanish, "es", key);
-                    AddPendingPoolTranslation(issues, russian, "ru", key);
-                    AddPendingPoolTranslation(issues, portuguese, "pt-BR", key);
-                }
-                else
-                {
-                    AddPendingTranslation(issues, english, "en", key);
-                    AddPendingTranslation(issues, japanese, "ja-JP", key);
+                    if (string.IsNullOrWhiteSpace(entry.LocalizedValue))
+                    {
+                        if (string.Equals(localeCode, "zh-Hans", StringComparison.Ordinal))
+                            continue;
+
+                        issues.Add(new ExpressionLocalizationIssue(
+                            ExpressionLocalizationIssueSeverity.Warning,
+                            $"待翻译：Params/{key}, Locale={localeCode}"));
+                        continue;
+                    }
+
+                    ExpressionParticleLocaleSettings settings =
+                        particleProfile != null
+                            ? particleProfile.Resolve(new LocaleIdentifier(localeCode))
+                            : ExpressionParticleLocaleSettings.CreateFallback();
+
+                    if (string.Equals(key, poolKey, StringComparison.Ordinal))
+                    {
+                        ValidateParticlePool(
+                            issues,
+                            key,
+                            localeCode,
+                            entry.LocalizedValue,
+                            settings.UnitMode);
+                    }
+                    else if (key.EndsWith(".tokens", StringComparison.Ordinal))
+                    {
+                        ValidatePipeList(
+                            issues,
+                            key,
+                            localeCode,
+                            entry.LocalizedValue,
+                            settings.UnitMode);
+                    }
+                    else
+                    {
+                        ValidateVisibleText(
+                            issues,
+                            key,
+                            localeCode,
+                            entry.LocalizedValue,
+                            settings.UnitMode);
+                    }
                 }
             }
         }
 
-        private static void ValidateCharacterPool(
+        private static void ValidateVisibleText(
             List<ExpressionLocalizationIssue> issues,
             string key,
             string localeCode,
-            string value)
+            string value,
+            ExpressionParticleUnitMode mode)
+        {
+            if (ExpressionTextTokenizer.TokenizeText(value, mode).Count == 0)
+            {
+                AddError(
+                    issues,
+                    $"Params/{key}, Locale={localeCode} 没有有效的粒子单位。");
+            }
+        }
+
+        private static void ValidateParticlePool(
+            List<ExpressionLocalizationIssue> issues,
+            string key,
+            string localeCode,
+            string value,
+            ExpressionParticleUnitMode mode)
         {
             if (value.Contains('|') || value.Contains('｜'))
             {
                 AddError(
                     issues,
-                    $"Params/{key}, Locale={localeCode} 的字符池不能包含“|”或“｜”。");
+                    $"Params/{key}, Locale={localeCode} 的粒子池不能包含“|”或“｜”。");
                 return;
             }
 
-            if (!LanguageYarnCommand.TryParseExpressionPool(value, out _))
+            if (!LanguageYarnCommand.TryParseExpressionPool(value, mode, out _))
             {
+                string expected =
+                    mode == ExpressionParticleUnitMode.Word
+                        ? "空白分隔单词"
+                        : "Unicode 文本元素";
                 AddError(
                     issues,
-                    $"Params/{key}, Locale={localeCode} 没有有效的 Unicode 文本元素。");
+                    $"Params/{key}, Locale={localeCode} 没有有效的{expected}。");
             }
         }
 
         private static void ValidatePipeList(
             List<ExpressionLocalizationIssue> issues,
             string key,
-            string value)
+            string localeCode,
+            string value,
+            ExpressionParticleUnitMode mode)
         {
             if (value.Contains('｜'))
             {
-                AddError(issues, $"Params/{key} 使用了全角分隔符“｜”，必须使用半角“|”。");
+                AddError(
+                    issues,
+                    $"Params/{key}, Locale={localeCode} 使用了全角分隔符“｜”，必须使用半角“|”。");
                 return;
             }
 
-            bool hasToken = value
+            string[] phrases = value
                 .Split('|')
-                .Any(token => !string.IsNullOrWhiteSpace(token));
-            if (!hasToken)
-                AddError(issues, $"Params/{key} 没有有效项。");
-        }
-
-        private static void AddPendingTranslation(
-            List<ExpressionLocalizationIssue> issues,
-            StringTable table,
-            string localeCode,
-            string key)
-        {
-            StringTableEntry entry = table?.GetEntry(key);
-            if (entry == null)
+                .Where(token => !string.IsNullOrWhiteSpace(token))
+                .ToArray();
+            if (phrases.Length == 0)
             {
-                AddError(issues, $"Params/{key} 缺少 {localeCode} 条目。");
+                AddError(
+                    issues,
+                    $"Params/{key}, Locale={localeCode} 没有有效项。");
                 return;
             }
 
-            if (string.IsNullOrEmpty(entry.LocalizedValue))
+            foreach (string phrase in phrases)
             {
-                issues.Add(new ExpressionLocalizationIssue(
-                    ExpressionLocalizationIssueSeverity.Warning,
-                    $"待翻译：Params/{key}, Locale={localeCode}"));
+                if (ExpressionTextTokenizer.TokenizeText(phrase, mode).Count == 0)
+                {
+                    AddError(
+                        issues,
+                        $"Params/{key}, Locale={localeCode} 包含没有有效粒子单位的短句。");
+                    return;
+                }
             }
         }
 
-        private static void AddPendingPoolTranslation(
-            List<ExpressionLocalizationIssue> issues,
-            StringTable table,
-            string localeCode,
-            string key)
-        {
-            StringTableEntry entry = table?.GetEntry(key);
-            if (entry == null)
-            {
-                AddError(issues, $"Params/{key} 缺少 {localeCode} 条目。");
-                return;
-            }
-
-            if (string.IsNullOrEmpty(entry.LocalizedValue))
-            {
-                issues.Add(new ExpressionLocalizationIssue(
-                    ExpressionLocalizationIssueSeverity.Warning,
-                    $"待翻译：Params/{key}, Locale={localeCode}"));
-                return;
-            }
-
-            ValidateCharacterPool(
-                issues,
-                key,
-                localeCode,
-                entry.LocalizedValue);
-        }
-
         private static void AddCatalogReference(
             string reference,
             HashSet<string> referencedKeys)
diff --git a/Assets/GameContent/Feature_Huoshan/Expression/ExpressionParticleLanguageProfile.asset b/Assets/GameContent/Feature_Huoshan/Expression/ExpressionParticleLanguageProfile.asset
new file mode 100644
index 000000000..0c137ad5d
--- /dev/null
+++ b/Assets/GameContent/Feature_Huoshan/Expression/ExpressionParticleLanguageProfile.asset
@@ -0,0 +1,69 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 3a7f6c18f2184d09b551e103c67268a1, type: 3}
+  m_Name: ExpressionParticleLanguageProfile
+  m_EditorClassIdentifier: 
+  locales:
+  - localeCode: zh-Hans
+    unitMode: 0
+    targetFontScale: 1
+    nonTargetFontScale: 1
+    floatingFontScale: 1
+    nonTargetCountScale: 1
+    wordSpacing: 0.18
+    visualEdgeConnectionDistance: 0
+    minimumReadablePhraseScale: 0.65
+  - localeCode: ja-JP
+    unitMode: 0
+    targetFontScale: 1
+    nonTargetFontScale: 1
+    floatingFontScale: 1
+    nonTargetCountScale: 1
+    wordSpacing: 0.18
+    visualEdgeConnectionDistance: 0
+    minimumReadablePhraseScale: 0.65
+  - localeCode: en
+    unitMode: 1
+    targetFontScale: 0.65
+    nonTargetFontScale: 0.58
+    floatingFontScale: 0.58
+    nonTargetCountScale: 0.65
+    wordSpacing: 0.18
+    visualEdgeConnectionDistance: 0.18
+    minimumReadablePhraseScale: 0.65
+  - localeCode: es
+    unitMode: 1
+    targetFontScale: 0.65
+    nonTargetFontScale: 0.58
+    floatingFontScale: 0.58
+    nonTargetCountScale: 0.65
+    wordSpacing: 0.18
+    visualEdgeConnectionDistance: 0.18
+    minimumReadablePhraseScale: 0.65
+  - localeCode: ru
+    unitMode: 1
+    targetFontScale: 0.65
+    nonTargetFontScale: 0.58
+    floatingFontScale: 0.58
+    nonTargetCountScale: 0.65
+    wordSpacing: 0.18
+    visualEdgeConnectionDistance: 0.18
+    minimumReadablePhraseScale: 0.65
+  - localeCode: pt-BR
+    unitMode: 1
+    targetFontScale: 0.65
+    nonTargetFontScale: 0.58
+    floatingFontScale: 0.58
+    nonTargetCountScale: 0.65
+    wordSpacing: 0.18
+    visualEdgeConnectionDistance: 0.18
+    minimumReadablePhraseScale: 0.65
diff --git a/Assets/GameContent/Feature_Huoshan/Expression/ExpressionParticleLanguageProfile.asset.meta b/Assets/GameContent/Feature_Huoshan/Expression/ExpressionParticleLanguageProfile.asset.meta
new file mode 100644
index 000000000..c759bc53f
--- /dev/null
+++ b/Assets/GameContent/Feature_Huoshan/Expression/ExpressionParticleLanguageProfile.asset.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 57d812538c3e4bddafe59f8813562f46
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 11400000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scenes/HuoShanFixScene.unity b/Assets/Scenes/HuoShanFixScene.unity
index c500f550b..824dbb5f6 100644
--- a/Assets/Scenes/HuoShanFixScene.unity
+++ b/Assets/Scenes/HuoShanFixScene.unity
@@ -16128,6 +16128,7 @@ MonoBehaviour:
   logReleasePresentation: {fileID: 2138889543}
   screenPresentation: {fileID: 2138889544}
   contentCatalog: {fileID: 11400000, guid: b2d94952a18d4d178421691ab103f0fd, type: 2}
+  particleLanguageProfile: {fileID: 11400000, guid: 57d812538c3e4bddafe59f8813562f46, type: 2}
   screenOverlayRenderer: {fileID: 2063129674}
   volcanoOverlayRenderer: {fileID: 1944146357}
   spriteOverlayFadeInAlpha: 1
diff --git a/Assets/Scripts/MiniGame/HuoShan/Language/CandidateParticle.cs b/Assets/Scripts/MiniGame/HuoShan/Language/CandidateParticle.cs
index e5f3d6f7e..917558f7e 100644
--- a/Assets/Scripts/MiniGame/HuoShan/Language/CandidateParticle.cs
+++ b/Assets/Scripts/MiniGame/HuoShan/Language/CandidateParticle.cs
@@ -233,7 +233,7 @@ namespace AibisDream.MiniGame.Language
         /// 目标粒子：从本轮本地化默认池随机；非目标粒子：从笑话/干扰短句字符中随机。
         /// 使用 IsTarget 判断，与红蓝颜色解绑。
         /// </summary>
-        protected override string GetNextDisplayChar()
+        protected override string GetNextDisplayUnit()
         {
             if (TryGetOverridePoolChar(out string overrideChar))
                 return overrideChar;
@@ -274,8 +274,7 @@ namespace AibisDream.MiniGame.Language
             if (changeTimer > 0f)
                 return;
 
-            currentChar = GetNextDisplayChar();
-            UpdateText();
+            ForceSetUnitText(GetNextDisplayUnit());
             changeTimer = Mathf.Max(0.02f, changeInterval);
         }
 
@@ -431,6 +430,7 @@ namespace AibisDream.MiniGame.Language
                 textMesh.fontSize = nonTargetFontSize;
                 textMesh.fontStyle = nonTargetBold ? TMPro.FontStyles.Bold : TMPro.FontStyles.Normal;
             }
+            InvalidateVisualBounds();
         }
     }
 }
diff --git a/Assets/Scripts/MiniGame/HuoShan/Language/ConnectionRenderer.cs b/Assets/Scripts/MiniGame/HuoShan/Language/ConnectionRenderer.cs
index 6a39933bf..c673be267 100644
--- a/Assets/Scripts/MiniGame/HuoShan/Language/ConnectionRenderer.cs
+++ b/Assets/Scripts/MiniGame/HuoShan/Language/ConnectionRenderer.cs
@@ -133,15 +133,20 @@ namespace AibisDream.MiniGame.Language
                     // 跳过红色粒子
                     if (p1.isRed && p2.isRed) continue;
 
-                    float distance = Vector3.Distance(p1.transform.position, p2.transform.position);
-                    if (distance < connectionDistance)
-                    {
-                        float alpha = Mathf.Lerp(0.7f, 0f, distance / connectionDistance) * fadeOutAlpha;
-                        Color lineColor = nonTargetConnectionColor;
-                        lineColor.a = alpha * nonTargetAlphaScale * nonTargetConnectionColor.a;
+                    if (!p1.connections.Contains(p2))
+                        continue;
 
-                        DrawClippedLine(p1.transform.position, p2.transform.position, lineColor);
-                    }
+                    ResolveConnectionVisual(
+                        p1,
+                        p2,
+                        out Vector3 from,
+                        out Vector3 to,
+                        out float proximity);
+                    float alpha = Mathf.Lerp(0f, 0.7f, proximity) * fadeOutAlpha;
+                    Color lineColor = nonTargetConnectionColor;
+                    lineColor.a = alpha * nonTargetAlphaScale * nonTargetConnectionColor.a;
+
+                    DrawClippedLine(from, to, lineColor);
                 }
             }
         }
@@ -162,23 +167,50 @@ namespace AibisDream.MiniGame.Language
             {
                 for (int j = i + 1; j < redParticles.Count; j++)
                 {
-                    float distance = Vector3.Distance(
-                        redParticles[i].transform.position,
-                        redParticles[j].transform.position
-                    );
+                    CandidateParticle first = redParticles[i];
+                    CandidateParticle second = redParticles[j];
+                    if (!first.connections.Contains(second))
+                        continue;
 
-                    if (distance < connectionDistance)
-                    {
-                        float alpha = Mathf.Lerp(1f, 0.4f, distance / connectionDistance);
-                        Color lineColor = targetConnectionColor;
-                        lineColor.a = alpha * targetAlphaScale * targetConnectionColor.a;
+                    ResolveConnectionVisual(
+                        first,
+                        second,
+                        out Vector3 from,
+                        out Vector3 to,
+                        out float proximity);
+                    float alpha = Mathf.Lerp(0.4f, 1f, proximity);
+                    Color lineColor = targetConnectionColor;
+                    lineColor.a = alpha * targetAlphaScale * targetConnectionColor.a;
 
-                        DrawClippedLine(redParticles[i].transform.position, redParticles[j].transform.position, lineColor);
-                    }
+                    DrawClippedLine(from, to, lineColor);
                 }
             }
         }
 
+        private void ResolveConnectionVisual(
+            CandidateParticle first,
+            CandidateParticle second,
+            out Vector3 from,
+            out Vector3 to,
+            out float proximity)
+        {
+            if (manager != null &&
+                manager.TryGetConnectionVisual(
+                    first,
+                    second,
+                    out from,
+                    out to,
+                    out proximity))
+            {
+                return;
+            }
+
+            from = first.transform.position;
+            to = second.transform.position;
+            float distance = Vector3.Distance(from, to);
+            proximity = 1f - Mathf.Clamp01(distance / Mathf.Max(0.0001f, connectionDistance));
+        }
+
         private void DrawPropagationEffects()
         {
             Draw.LineGeometry = LineGeometry.Flat2D;
diff --git a/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionManager.cs b/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionManager.cs
index 4951855a6..99d2eba51 100644
--- a/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionManager.cs
+++ b/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionManager.cs
@@ -19,6 +19,7 @@ namespace AibisDream
         [SerializeField] private LogReleasePresentationController logReleasePresentation;
         [SerializeField] private ExpressionScreenPresentationController screenPresentation;
         [SerializeField] private ExpressionContentCatalog contentCatalog;
+        [SerializeField] private ExpressionParticleLanguageProfile particleLanguageProfile;
 
         [Header("Sprite 淡入淡出")]
         [SerializeField] private SpriteRenderer screenOverlayRenderer;
@@ -48,6 +49,8 @@ namespace AibisDream
 
         public LogReleasePresentationController LogReleasePresentation => logReleasePresentation;
         public ExpressionContentCatalog ContentCatalog => contentCatalog;
+        public ExpressionParticleLanguageProfile ParticleLanguageProfile =>
+            particleLanguageProfile;
         public Locale ActiveExpressionLocale { get; private set; }
 
         public Locale GetExpressionLocale(Locale fallback)
@@ -151,39 +154,36 @@ namespace AibisDream
         /// <summary>
         /// 启动粒子系统（在打开视图后调用，通常通过 Yarn 对话控制）
         /// </summary>
-        /// <param name="anxietyPhrases">干扰短句列表（笑话等，非目标粒子从中随机取字符）</param>
-        /// <param name="targetSentence">目标句子</param>
-        /// <param name="defaultCharacterPool">当前 Locale 的默认随机字符池</param>
+        /// <param name="snapshot">当前 Locale 已完成粒子单位解析的轮次快照</param>
         /// <param name="completionNodeName">完成时触发的对话节点名称（可选）</param>
-        /// <param name="nonTargetParticleTotal">非目标候选粒子总数；&lt;0 时使用 Inspector 默认候选池大小</param>
+        /// <param name="baseNonTargetParticleCount">轮次配置中的基础非目标粒子数</param>
         public void StartSystem(
-            List<string> anxietyPhrases,
-            string targetSentence,
-            IReadOnlyList<string> defaultCharacterPool,
+            ExpressionRoundTextSnapshot snapshot,
             string completionNodeName = null,
-            int nonTargetParticleTotal = -1)
+            int baseNonTargetParticleCount = -1)
         {
             HideSpriteOverlaysForMinigame();
 
             if (particleManager != null)
             {
                 particleManager.SetPresentationController(logReleasePresentation);
-                if (anxietyPhrases == null || anxietyPhrases.Count == 0 ||
-                    string.IsNullOrWhiteSpace(targetSentence) ||
-                    defaultCharacterPool == null ||
-                    defaultCharacterPool.Count == 0)
+                if (snapshot == null ||
+                    snapshot.TargetUnits == null ||
+                    snapshot.TargetUnits.Count == 0 ||
+                    snapshot.DefaultPoolUnits == null ||
+                    snapshot.DefaultPoolUnits.Count == 0 ||
+                    snapshot.InterferencePoolUnits == null ||
+                    snapshot.InterferencePoolUnits.Count == 0)
                 {
                     Debug.LogError(
-                        "[ExpressionManager] 启动参数缺少目标文字、干扰 token 或默认字符池；系统未启动。");
+                        "[ExpressionManager] 轮次粒子单位快照无效；系统未启动。");
                     return;
                 }
 
                 particleManager.InitializeSystem(
-                    anxietyPhrases,
-                    targetSentence,
-                    defaultCharacterPool,
+                    snapshot,
                     completionNodeName,
-                    nonTargetParticleTotal);
+                    baseNonTargetParticleCount);
             }
         }
 
@@ -216,25 +216,6 @@ namespace AibisDream
             }
         }
 
-        /// <summary>
-        /// 启动粒子系统（字符串数组版本，方便 Yarn 调用）
-        /// </summary>
-        public void StartSystem(
-            string[] anxietyPhrases,
-            string targetSentence,
-            IReadOnlyList<string> defaultCharacterPool,
-            string completionNodeName = null,
-            int nonTargetParticleTotal = -1)
-        {
-            List<string> phrasesList = anxietyPhrases != null ? new List<string>(anxietyPhrases) : null;
-            StartSystem(
-                phrasesList,
-                targetSentence,
-                defaultCharacterPool,
-                completionNodeName,
-                nonTargetParticleTotal);
-        }
-
         /// <summary>
         /// 若火山释放 log 界面已淡出，则先淡入再返回（start_expression 时调用）
         /// </summary>
diff --git a/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionParticleGeometry.cs b/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionParticleGeometry.cs
new file mode 100644
index 000000000..2854bc9fe
--- /dev/null
+++ b/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionParticleGeometry.cs
@@ -0,0 +1,106 @@
+using UnityEngine;
+
+namespace AibisDream.MiniGame.Language
+{
+    public static class ExpressionParticleGeometry
+    {
+        public static bool TryGetConnection(
+            TextParticle first,
+            TextParticle second,
+            float centerDistanceLimit,
+            float edgeDistanceLimit,
+            out Vector3 from,
+            out Vector3 to,
+            out float proximity)
+        {
+            from = first != null ? first.transform.position : Vector3.zero;
+            to = second != null ? second.transform.position : Vector3.zero;
+            proximity = 0f;
+            if (first == null || second == null)
+                return false;
+
+            float centerDistance = Vector3.Distance(
+                first.transform.position,
+                second.transform.position);
+            bool centerConnected =
+                centerDistanceLimit > 0f && centerDistance < centerDistanceLimit;
+
+            Bounds firstBounds = first.GetVisualWorldBounds();
+            Bounds secondBounds = second.GetVisualWorldBounds();
+            float edgeDistance = BoundsDistance(firstBounds, secondBounds);
+            bool edgeConnected =
+                edgeDistanceLimit > 0f && edgeDistance <= edgeDistanceLimit;
+
+            if (!centerConnected && !edgeConnected)
+                return false;
+
+            from = firstBounds.ClosestPoint(secondBounds.center);
+            to = secondBounds.ClosestPoint(firstBounds.center);
+            if ((to - from).sqrMagnitude < 0.000001f)
+            {
+                from = first.transform.position;
+                to = second.transform.position;
+            }
+
+            float centerProximity = centerConnected
+                ? 1f - Mathf.Clamp01(centerDistance / centerDistanceLimit)
+                : 0f;
+            float edgeProximity = edgeConnected
+                ? 1f - Mathf.Clamp01(edgeDistance / Mathf.Max(0.0001f, edgeDistanceLimit))
+                : 0f;
+            proximity = Mathf.Max(centerProximity, edgeProximity);
+            return true;
+        }
+
+        public static float BoundsDistance(Bounds first, Bounds second)
+        {
+            float dx = Mathf.Max(
+                first.min.x - second.max.x,
+                second.min.x - first.max.x,
+                0f);
+            float dy = Mathf.Max(
+                first.min.y - second.max.y,
+                second.min.y - first.max.y,
+                0f);
+            return Mathf.Sqrt(dx * dx + dy * dy);
+        }
+
+        public static bool TryGetSeparation(
+            Bounds first,
+            Bounds second,
+            float padding,
+            out Vector2 direction,
+            out float overlap)
+        {
+            float overlapX =
+                Mathf.Min(first.max.x, second.max.x) -
+                Mathf.Max(first.min.x, second.min.x) +
+                padding;
+            float overlapY =
+                Mathf.Min(first.max.y, second.max.y) -
+                Mathf.Max(first.min.y, second.min.y) +
+                padding;
+
+            if (overlapX <= 0f || overlapY <= 0f)
+            {
+                direction = Vector2.zero;
+                overlap = 0f;
+                return false;
+            }
+
+            Vector2 centerDelta = first.center - second.center;
+            if (overlapX <= overlapY)
+            {
+                direction = new Vector2(centerDelta.x >= 0f ? 1f : -1f, 0f);
+                overlap = overlapX;
+            }
+            else
+            {
+                direction = new Vector2(0f, centerDelta.y >= 0f ? 1f : -1f);
+                overlap = overlapY;
+            }
+
+            return true;
+        }
+    }
+}
diff --git a/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionParticleGeometry.cs.meta b/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionParticleGeometry.cs.meta
new file mode 100644
index 000000000..d7a38ca79
--- /dev/null
+++ b/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionParticleGeometry.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 34ce433966a94546a460c32821f6e741
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionParticleLanguageProfile.cs b/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionParticleLanguageProfile.cs
new file mode 100644
index 000000000..8d5ee0022
--- /dev/null
+++ b/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionParticleLanguageProfile.cs
@@ -0,0 +1,163 @@
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Localization;
+
+namespace AibisDream.MiniGame.Language
+{
+    public enum ExpressionParticleUnitMode
+    {
+        Grapheme,
+        Word
+    }
+
+    [Serializable]
+    public sealed class ExpressionParticleLocaleSettings
+    {
+        [SerializeField] private string localeCode = "zh-Hans";
+        [SerializeField] private ExpressionParticleUnitMode unitMode =
+            ExpressionParticleUnitMode.Grapheme;
+        [SerializeField, Min(0.1f)] private float targetFontScale = 1f;
+        [SerializeField, Min(0.1f)] private float nonTargetFontScale = 1f;
+        [SerializeField, Min(0.1f)] private float floatingFontScale = 1f;
+        [SerializeField, Min(0f)] private float nonTargetCountScale = 1f;
+        [SerializeField, Min(0f)] private float wordSpacing = 0.18f;
+        [SerializeField, Min(0f)] private float visualEdgeConnectionDistance = 0f;
+        [SerializeField, Range(0.1f, 1f)] private float minimumReadablePhraseScale = 0.65f;
+
+        public string LocaleCode => localeCode;
+        public ExpressionParticleUnitMode UnitMode => unitMode;
+        public float TargetFontScale => targetFontScale;
+        public float NonTargetFontScale => nonTargetFontScale;
+        public float FloatingFontScale => floatingFontScale;
+        public float NonTargetCountScale => nonTargetCountScale;
+        public float WordSpacing => wordSpacing;
+        public float VisualEdgeConnectionDistance => visualEdgeConnectionDistance;
+        public float MinimumReadablePhraseScale => minimumReadablePhraseScale;
+
+        public int ScaleNonTargetCount(int baseCount)
+        {
+            if (baseCount < 0)
+                return baseCount;
+            return Mathf.Max(0, Mathf.RoundToInt(baseCount * nonTargetCountScale));
+        }
+
+        public static ExpressionParticleLocaleSettings CreateFallback()
+        {
+            return new ExpressionParticleLocaleSettings();
+        }
+    }
+
+    [CreateAssetMenu(
+        fileName = "ExpressionParticleLanguageProfile",
+        menuName = "AIBIS/火山/表达粒子语言配置")]
+    public sealed class ExpressionParticleLanguageProfile : ScriptableObject
+    {
+        [SerializeField] private List<ExpressionParticleLocaleSettings> locales = new();
+
+        private readonly HashSet<string> warnedFallbackLocales =
+            new(StringComparer.OrdinalIgnoreCase);
+
+        public IReadOnlyList<ExpressionParticleLocaleSettings> Locales => locales;
+
+        public ExpressionParticleLocaleSettings Resolve(LocaleIdentifier locale)
+        {
+            string code = locale.Code ?? string.Empty;
+            ExpressionParticleLocaleSettings exact = FindExact(code);
+            if (exact != null)
+                return exact;
+
+            int separator = code.IndexOf('-');
+            string language = separator > 0 ? code.Substring(0, separator) : code;
+            ExpressionParticleLocaleSettings prefix = FindLanguage(language);
+            if (prefix != null)
+                return prefix;
+
+            if (warnedFallbackLocales.Add(code))
+            {
+                Debug.LogWarning(
+                    $"[ExpressionParticleLanguageProfile] Locale '{code}' 未配置；" +
+                    "回退到 Grapheme 粒子模式。");
+            }
+
+            return ExpressionParticleLocaleSettings.CreateFallback();
+        }
+
+        public List<string> GetValidationErrors()
+        {
+            var errors = new List<string>();
+            var codes = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+            if (locales == null || locales.Count == 0)
+            {
+                errors.Add("表达粒子语言配置没有 Locale 项。");
+                return errors;
+            }
+
+            foreach (ExpressionParticleLocaleSettings settings in locales)
+            {
+                if (settings == null)
+                {
+                    errors.Add("表达粒子语言配置包含空项。");
+                    continue;
+                }
+
+                if (string.IsNullOrWhiteSpace(settings.LocaleCode))
+                {
+                    errors.Add("表达粒子语言配置包含空 Locale Code。");
+                    continue;
+                }
+
+                if (!codes.Add(settings.LocaleCode))
+                    errors.Add($"表达粒子语言配置存在重复 Locale Code：{settings.LocaleCode}");
+            }
+
+            return errors;
+        }
+
+        private ExpressionParticleLocaleSettings FindExact(string code)
+        {
+            if (locales == null)
+                return null;
+
+            foreach (ExpressionParticleLocaleSettings settings in locales)
+            {
+                if (settings != null &&
+                    string.Equals(
+                        settings.LocaleCode,
+                        code,
+                        StringComparison.OrdinalIgnoreCase))
+                {
+                    return settings;
+                }
+            }
+
+            return null;
+        }
+
+        private ExpressionParticleLocaleSettings FindLanguage(string language)
+        {
+            if (string.IsNullOrEmpty(language) || locales == null)
+                return null;
+
+            foreach (ExpressionParticleLocaleSettings settings in locales)
+            {
+                if (settings == null || string.IsNullOrWhiteSpace(settings.LocaleCode))
+                    continue;
+
+                string configured = settings.LocaleCode;
+                int separator = configured.IndexOf('-');
+                string configuredLanguage =
+                    separator > 0 ? configured.Substring(0, separator) : configured;
+                if (string.Equals(
+                    configuredLanguage,
+                    language,
+                    StringComparison.OrdinalIgnoreCase))
+                {
+                    return settings;
+                }
+            }
+
+            return null;
+        }
+    }
+}
diff --git a/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionParticleLanguageProfile.cs.meta b/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionParticleLanguageProfile.cs.meta
new file mode 100644
index 000000000..85a486969
--- /dev/null
+++ b/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionParticleLanguageProfile.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 3a7f6c18f2184d09b551e103c67268a1
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionRoundTextSnapshot.cs b/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionRoundTextSnapshot.cs
new file mode 100644
index 000000000..673c7c16b
--- /dev/null
+++ b/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionRoundTextSnapshot.cs
@@ -0,0 +1,85 @@
+using System.Collections.Generic;
+using UnityEngine.Localization;
+
+namespace AibisDream.MiniGame.Language
+{
+    public sealed class ExpressionRoundTextSnapshot
+    {
+        private ExpressionRoundTextSnapshot(
+            LocaleIdentifier locale,
+            ExpressionParticleLocaleSettings profile,
+            string targetText,
+            List<string> targetUnits,
+            List<float> targetGapWeights,
+            List<string> defaultPoolUnits,
+            List<string> interferencePoolUnits)
+        {
+            Locale = locale;
+            Profile = profile;
+            TargetText = targetText;
+            TargetUnits = targetUnits.AsReadOnly();
+            TargetGapWeights = targetGapWeights.AsReadOnly();
+            DefaultPoolUnits = defaultPoolUnits.AsReadOnly();
+            InterferencePoolUnits = interferencePoolUnits.AsReadOnly();
+        }
+
+        public LocaleIdentifier Locale { get; }
+        public ExpressionParticleLocaleSettings Profile { get; }
+        public string TargetText { get; }
+        public IReadOnlyList<string> TargetUnits { get; }
+        public IReadOnlyList<float> TargetGapWeights { get; }
+        public IReadOnlyList<string> DefaultPoolUnits { get; }
+        public IReadOnlyList<string> InterferencePoolUnits { get; }
+
+        public static bool TryCreate(
+            LocaleIdentifier locale,
+            ExpressionParticleLocaleSettings profile,
+            string targetText,
+            IEnumerable<string> interferencePhrases,
+            string defaultPool,
+            out ExpressionRoundTextSnapshot snapshot,
+            out string error)
+        {
+            snapshot = null;
+            profile ??= ExpressionParticleLocaleSettings.CreateFallback();
+
+            ExpressionTextTokenizer.UnitSequence target =
+                ExpressionTextTokenizer.BuildLayoutUnits(targetText, profile.UnitMode);
+            if (target.Count == 0)
+            {
+                error = "目标句没有有效的粒子单位。";
+                return false;
+            }
+
+            if (!ExpressionTextTokenizer.TryTokenizePool(
+                defaultPool,
+                profile.UnitMode,
+                out List<string> defaultUnits))
+            {
+                error = "默认粒子池为空或包含非法分隔符。";
+                return false;
+            }
+
+            List<string> interferenceUnits =
+                ExpressionTextTokenizer.BuildUnitPool(
+                    interferencePhrases,
+                    profile.UnitMode);
+            if (interferenceUnits.Count == 0)
+            {
+                error = "干扰短句没有有效的粒子单位。";
+                return false;
+            }
+
+            snapshot = new ExpressionRoundTextSnapshot(
+                locale,
+                profile,
+                targetText,
+                new List<string>(target.Units),
+                new List<float>(target.GapWeights),
+                defaultUnits,
+                interferenceUnits);
+            error = null;
+            return true;
+        }
+    }
+}
diff --git a/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionRoundTextSnapshot.cs.meta b/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionRoundTextSnapshot.cs.meta
new file mode 100644
index 000000000..b007c5725
--- /dev/null
+++ b/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionRoundTextSnapshot.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 1972c8c6ecaa4512b9cc891a82a5d608
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionTextTokenizer.cs b/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionTextTokenizer.cs
index a0712b059..bcc843193 100644
--- a/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionTextTokenizer.cs
+++ b/Assets/Scripts/MiniGame/HuoShan/Language/ExpressionTextTokenizer.cs
@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using System.Globalization;
+using System.Text;
 
 namespace AibisDream.MiniGame.Language
 {
@@ -9,6 +10,19 @@ namespace AibisDream.MiniGame.Language
     /// </summary>
     public static class ExpressionTextTokenizer
     {
+        public readonly struct UnitSequence
+        {
+            public UnitSequence(List<string> units, List<float> gapWeights)
+            {
+                Units = units;
+                GapWeights = gapWeights;
+            }
+
+            public IReadOnlyList<string> Units { get; }
+            public IReadOnlyList<float> GapWeights { get; }
+            public int Count => Units?.Count ?? 0;
+        }
+
         public readonly struct Layout
         {
             public Layout(List<string> visibleElements, List<float> offsets)
@@ -40,16 +54,56 @@ namespace AibisDream.MiniGame.Language
         }
 
         public static List<string> BuildCharacterPool(IEnumerable<string> texts)
+        {
+            return BuildUnitPool(texts, ExpressionParticleUnitMode.Grapheme);
+        }
+
+        public static List<string> TokenizeText(
+            string text,
+            ExpressionParticleUnitMode mode)
+        {
+            return new List<string>(BuildLayoutUnits(text, mode).Units);
+        }
+
+        public static bool TryTokenizePool(
+            string pool,
+            ExpressionParticleUnitMode mode,
+            out List<string> units)
+        {
+            units = new List<string>();
+            if (string.IsNullOrWhiteSpace(pool) ||
+                pool.Contains("|") ||
+                pool.Contains("｜"))
+            {
+                return false;
+            }
+
+            units = TokenizeText(pool, mode);
+            return units.Count > 0;
+        }
+
+        public static List<string> BuildUnitPool(
+            IEnumerable<string> texts,
+            ExpressionParticleUnitMode mode)
         {
             var result = new List<string>();
             if (texts == null)
                 return result;
 
             foreach (string text in texts)
-                result.AddRange(GetVisibleElements(text));
+                result.AddRange(TokenizeText(text, mode));
             return result;
         }
 
+        public static UnitSequence BuildLayoutUnits(
+            string text,
+            ExpressionParticleUnitMode mode)
+        {
+            return mode == ExpressionParticleUnitMode.Word
+                ? BuildWordUnits(text)
+                : BuildGraphemeUnits(text);
+        }
+
         public static Layout BuildLayout(
             string text,
             float characterSpacing,
@@ -115,5 +169,80 @@ namespace AibisDream.MiniGame.Language
 
             return -1;
         }
+
+        public static int FindUnitSequence(
+            IReadOnlyList<string> source,
+            IReadOnlyList<string> fragment)
+        {
+            return FindVisibleSequence(source, fragment);
+        }
+
+        private static UnitSequence BuildGraphemeUnits(string text)
+        {
+            var units = new List<string>();
+            var gaps = new List<float>();
+            if (string.IsNullOrEmpty(text))
+                return new UnitSequence(units, gaps);
+
+            float pendingGap = 0f;
+            TextElementEnumerator enumerator =
+                StringInfo.GetTextElementEnumerator(text);
+            while (enumerator.MoveNext())
+            {
+                string element = enumerator.GetTextElement();
+                if (string.IsNullOrWhiteSpace(element))
+                {
+                    if (units.Count > 0)
+                        pendingGap += 1f;
+                    continue;
+                }
+
+                units.Add(element);
+                gaps.Add(units.Count == 1 ? 0f : pendingGap);
+                pendingGap = 0f;
+            }
+
+            return new UnitSequence(units, gaps);
+        }
+
+        private static UnitSequence BuildWordUnits(string text)
+        {
+            var units = new List<string>();
+            var gaps = new List<float>();
+            if (string.IsNullOrEmpty(text))
+                return new UnitSequence(units, gaps);
+
+            var word = new StringBuilder();
+            bool sawSeparatorAfterUnit = false;
+            foreach (char value in text)
+            {
+                if (char.IsWhiteSpace(value))
+                {
+                    FlushWord(word, units, gaps, sawSeparatorAfterUnit);
+                    if (units.Count > 0)
+                        sawSeparatorAfterUnit = true;
+                    continue;
+                }
+
+                word.Append(value);
+            }
+
+            FlushWord(word, units, gaps, sawSeparatorAfterUnit);
+            return new UnitSequence(units, gaps);
+        }
+
+        private static void FlushWord(
+            StringBuilder word,
+            List<string> units,
+            List<float> gaps,
+            bool hasLeadingSeparator)
+        {
+            if (word.Length == 0)
+                return;
+
+            units.Add(word.ToString());
+            gaps.Add(units.Count == 1 ? 0f : hasLeadingSeparator ? 1f : 0f);
+            word.Clear();
+        }
     }
 }
diff --git a/Assets/Scripts/MiniGame/HuoShan/Language/FloatingTextParticle.cs b/Assets/Scripts/MiniGame/HuoShan/Language/FloatingTextParticle.cs
index 301a3eca6..f88efadf2 100644
--- a/Assets/Scripts/MiniGame/HuoShan/Language/FloatingTextParticle.cs
+++ b/Assets/Scripts/MiniGame/HuoShan/Language/FloatingTextParticle.cs
@@ -42,7 +42,7 @@ namespace AibisDream.MiniGame.Language
         /// <summary>
         /// 背景粒子从干扰短句（笑话等）字符中随机显示单字。
         /// </summary>
-        protected override string GetNextDisplayChar()
+        protected override string GetNextDisplayUnit()
         {
             return GetRandomCharFromPhrases();
         }
@@ -56,6 +56,7 @@ namespace AibisDream.MiniGame.Language
             if (textMesh != null)
             {
                 textMesh.fontSize = size;
+                InvalidateVisualBounds();
             }
         }
 
diff --git a/Assets/Scripts/MiniGame/HuoShan/Language/LanguageParticleManager.cs b/Assets/Scripts/MiniGame/HuoShan/Language/LanguageParticleManager.cs
index 475100b1b..e34b6fdd7 100644
--- a/Assets/Scripts/MiniGame/HuoShan/Language/LanguageParticleManager.cs
+++ b/Assets/Scripts/MiniGame/HuoShan/Language/LanguageParticleManager.cs
@@ -64,10 +64,9 @@ namespace AibisDream.MiniGame.Language
         [SerializeField] private float textMargin = 1f;
 
         [Header("游戏配置")]
-        private List<string> anxietyPhrases = new List<string>();
-        private string targetSentence = string.Empty;
-        private IReadOnlyList<string> defaultCharacterPool = new List<string>().AsReadOnly();
-        private IReadOnlyList<string> interferenceCharacterPool = new List<string>().AsReadOnly();
+        private ExpressionRoundTextSnapshot activeSnapshot;
+        private IReadOnlyList<string> defaultUnitPool = new List<string>().AsReadOnly();
+        private IReadOnlyList<string> interferenceUnitPool = new List<string>().AsReadOnly();
         [SerializeField] private string completionDialogNode = ""; // 完成时触发的对话节点
 
         [Header("波形参数")]
@@ -222,7 +221,7 @@ namespace AibisDream.MiniGame.Language
         /// <summary>完成阶段屏幕钳制用 SmoothDamp 速度缓存（按粒子）</summary>
         private readonly Dictionary<CandidateParticle, Vector3> completionClampSmoothVelocity = new Dictionary<CandidateParticle, Vector3>();
         private Vector3 focusCentroid;
-        private List<string> finalTargetCharacters = new List<string>();
+        private List<string> finalTargetUnits = new List<string>();
         private List<Vector3> finalTargetPositions = new List<Vector3>();
         private bool interferenceLogicSuspended = false;
         private bool statusUIHidden = false;
@@ -240,7 +239,7 @@ namespace AibisDream.MiniGame.Language
         {
             public CandidateParticle particle;
             public float startShakeIntensity;
-            public string finalChar;
+            public string finalUnitText;
             public bool stabilized;
             public Vector3 focusPosition;
             public Vector3 finalPosition;
@@ -266,6 +265,11 @@ namespace AibisDream.MiniGame.Language
         private const string TruthGatherTweenId = "HuoshanTruthGather";
         private const string FocusInterferenceTweenId = "HuoshanFocusInterference";
         private int truthAttackSequenceIndex;
+        private float activePhraseScale = 1f;
+
+        private ExpressionParticleUnitMode ActiveUnitMode =>
+            activeSnapshot?.Profile?.UnitMode ?? ExpressionParticleUnitMode.Grapheme;
+        private float ResolvedFocusScale => focusZoomScale * activePhraseScale;
 
         // 边界
         private Bounds movementBounds;
@@ -288,11 +292,17 @@ namespace AibisDream.MiniGame.Language
         /// <summary>Inspector 中的候选粒子总数，用于未在 Yarn 中指定非目标数量时恢复默认</summary>
         private int defaultCandidateCountFromInspector;
         private bool hasCapturedDefaultCandidateCount;
+        private float defaultTargetFontSizeFromInspector;
+        private float defaultNonTargetFontSizeFromInspector;
+        private float defaultFloatingFontSizeFromInspector;
 
         private void CaptureDefaultCandidateCountFromInspector()
         {
             if (hasCapturedDefaultCandidateCount) return;
             defaultCandidateCountFromInspector = candidateCount;
+            defaultTargetFontSizeFromInspector = targetParticleFontSize;
+            defaultNonTargetFontSizeFromInspector = nonTargetParticleFontSize;
+            defaultFloatingFontSizeFromInspector = floatingTextFontSize;
             hasCapturedDefaultCandidateCount = true;
         }
 
@@ -346,65 +356,59 @@ namespace AibisDream.MiniGame.Language
         /// <summary>
         /// 初始化系统（可以由外部调用，用于配置游戏参数）
         /// </summary>
-        /// <param name="phrases">焦虑短句列表</param>
-        /// <param name="sentence">目标句子</param>
-        /// <param name="localizedDefaultPool">当前 Locale 的默认随机字符池</param>
+        /// <param name="snapshot">当前 Locale 已完成粒子单位解析的轮次快照</param>
         /// <param name="dialogNode">完成时触发的对话节点</param>
-        /// <param name="nonTargetParticleTotal">
-        /// 非目标候选粒子总数（蓝/干扰侧可交互粒子数量）。≥0 时候选池大小 = 目标句字数 + 该值；&lt;0 时使用 Inspector 的 Candidate Count。
+        /// <param name="baseNonTargetParticleCount">
+        /// 轮次配置中的基础非目标粒子数。≥0 时先应用 Locale Profile 数量倍率；
+        /// &lt;0 时使用 Inspector 的 Candidate Count。
         /// </param>
         public void InitializeSystem(
-            List<string> phrases,
-            string sentence,
-            IReadOnlyList<string> localizedDefaultPool,
+            ExpressionRoundTextSnapshot snapshot,
             string dialogNode = null,
-            int nonTargetParticleTotal = -1)
+            int baseNonTargetParticleCount = -1)
         {
             CaptureDefaultCandidateCountFromInspector();
 
-            if (phrases == null || phrases.Count == 0 || string.IsNullOrWhiteSpace(sentence))
+            if (snapshot == null ||
+                snapshot.TargetUnits == null ||
+                snapshot.TargetUnits.Count == 0 ||
+                snapshot.DefaultPoolUnits == null ||
+                snapshot.DefaultPoolUnits.Count == 0 ||
+                snapshot.InterferencePoolUnits == null ||
+                snapshot.InterferencePoolUnits.Count == 0)
             {
                 Debug.LogError(
-                    "[LanguageParticleManager] 目标文字或干扰 token 为空；初始化已中止。");
+                    "[LanguageParticleManager] 粒子单位快照无效；初始化已中止。");
                 return;
             }
 
-            List<string> resolvedDefaultPool =
-                ExpressionTextTokenizer.BuildCharacterPool(localizedDefaultPool);
-            List<string> resolvedInterferencePool =
-                ExpressionTextTokenizer.BuildCharacterPool(phrases);
-            if (resolvedDefaultPool.Count == 0 || resolvedInterferencePool.Count == 0)
-            {
-                Debug.LogError(
-                    "[LanguageParticleManager] 默认字符池或干扰字符池没有有效的 Unicode 文本元素；初始化已中止。");
-                return;
-            }
+            ExpressionParticleLocaleSettings profile =
+                snapshot.Profile ?? ExpressionParticleLocaleSettings.CreateFallback();
+            int targetUnitCount = snapshot.TargetUnits.Count;
+            int scaledNonTargetCount =
+                profile.ScaleNonTargetCount(baseNonTargetParticleCount);
 
-            string useSentence = sentence;
-            int visibleTargetCount = ExpressionTextTokenizer.GetVisibleElements(useSentence).Count;
-            if (visibleTargetCount == 0)
-            {
-                Debug.LogError("[LanguageParticleManager] 目标句没有可显示的 Unicode 文本元素；初始化已中止。");
-                return;
-            }
-
-            if (nonTargetParticleTotal >= 0)
+            if (scaledNonTargetCount >= 0)
             {
                 candidateCount = Mathf.Max(
-                    visibleTargetCount + nonTargetParticleTotal,
-                    visibleTargetCount);
+                    targetUnitCount + scaledNonTargetCount,
+                    targetUnitCount);
             }
             else
             {
                 candidateCount = defaultCandidateCountFromInspector;
             }
 
-            // 在创建或复用粒子前先提交本轮不可变快照，防止首帧或上一轮字符泄漏。
-            anxietyPhrases = new List<string>(phrases);
-            targetSentence = useSentence;
+            activeSnapshot = snapshot;
             completionDialogNode = dialogNode ?? "";
-            defaultCharacterPool = resolvedDefaultPool.AsReadOnly();
-            interferenceCharacterPool = resolvedInterferencePool.AsReadOnly();
+            defaultUnitPool = snapshot.DefaultPoolUnits;
+            interferenceUnitPool = snapshot.InterferencePoolUnits;
+            targetParticleFontSize =
+                defaultTargetFontSizeFromInspector * profile.TargetFontScale;
+            nonTargetParticleFontSize =
+                defaultNonTargetFontSizeFromInspector * profile.NonTargetFontScale;
+            floatingTextFontSize =
+                defaultFloatingFontSizeFromInspector * profile.FloatingFontScale;
 
             // 如果是第一次初始化，先执行基础初始化
             if (!isInitialized)
@@ -440,11 +444,10 @@ namespace AibisDream.MiniGame.Language
             else
             {
                 EnsureCandidatePoolSize(candidateCount);
-                ApplyCharacterPoolsToParticles();
+                ApplyUnitConfigurationToParticles();
             }
             
-            // 根据目标句子更新目标粒子数量
-            redParticleCount = Mathf.Min(visibleTargetCount, candidateCount);
+            redParticleCount = Mathf.Min(targetUnitCount, candidateCount);
             
             // 重新初始化游戏状态并播放入场动画
             ResetGame(true);
@@ -726,7 +729,7 @@ namespace AibisDream.MiniGame.Language
                 Vector3 pos = GetRandomPositionInBounds();
                 GameObject obj = CreateParticleObject(pos, $"FloatingParticle_{i}");
                 FloatingTextParticle particle = obj.AddComponent<FloatingTextParticle>();
-                particle.SetCharacterPools(defaultCharacterPool, interferenceCharacterPool);
+                particle.SetUnitPools(defaultUnitPool, interferenceUnitPool);
                 particle.SetFont(chineseFontAsset, chineseFontMaterial);
                 particle.SetColor(floatingTextColor);
                 particle.SetFontSize(floatingTextFontSize);
@@ -771,7 +774,7 @@ namespace AibisDream.MiniGame.Language
             Vector3 pos = GetRandomPositionInBounds();
             GameObject obj = CreateParticleObject(pos, $"CandidateParticle_{index}");
             CandidateParticle particle = obj.AddComponent<CandidateParticle>();
-            particle.SetCharacterPools(defaultCharacterPool, interferenceCharacterPool);
+            particle.SetUnitPools(defaultUnitPool, interferenceUnitPool);
             particle.SetFont(chineseFontAsset, chineseFontMaterial);
             particle.SetColors(targetParticleColor, nonTargetParticleColor, nonTargetParticleColor, targetCalmColor);
             particle.SetNonTargetMarquee(
@@ -788,20 +791,32 @@ namespace AibisDream.MiniGame.Language
             candidateParticles.Add(particle);
         }
 
-        private void ApplyCharacterPoolsToParticles()
+        private void ApplyUnitConfigurationToParticles()
         {
             foreach (CandidateParticle particle in candidateParticles)
-                particle?.SetCharacterPools(defaultCharacterPool, interferenceCharacterPool);
+            {
+                if (particle == null) continue;
+                particle.SetUnitPools(defaultUnitPool, interferenceUnitPool);
+                particle.SetFontStyles(
+                    targetParticleFontSize,
+                    nonTargetParticleFontSize,
+                    targetParticleBold,
+                    nonTargetParticleBold);
+            }
             foreach (FloatingTextParticle particle in floatingParticles)
-                particle?.SetCharacterPools(defaultCharacterPool, interferenceCharacterPool);
+            {
+                if (particle == null) continue;
+                particle.SetUnitPools(defaultUnitPool, interferenceUnitPool);
+                particle.SetFontSize(floatingTextFontSize);
+            }
         }
 
-        private void RefreshAllRandomCharacters()
+        private void RefreshAllRandomUnits()
         {
             foreach (CandidateParticle particle in candidateParticles)
-                particle?.InitializeRandomCharacter();
+                particle?.InitializeRandomUnit();
             foreach (FloatingTextParticle particle in floatingParticles)
-                particle?.InitializeRandomCharacter();
+                particle?.InitializeRandomUnit();
         }
 
         /// <summary>
@@ -1183,12 +1198,12 @@ namespace AibisDream.MiniGame.Language
                             continue;
                     }
 
-                    float distance = Vector3.Distance(
-                        candidateParticles[i].transform.position,
-                        candidateParticles[j].transform.position
-                    );
-
-                    if (distance < connectionDistance)
+                    if (TryGetConnectionVisual(
+                        candidateParticles[i],
+                        candidateParticles[j],
+                        out _,
+                        out _,
+                        out _))
                     {
                         candidateParticles[i].connections.Add(candidateParticles[j]);
                         candidateParticles[j].connections.Add(candidateParticles[i]);
@@ -1204,12 +1219,12 @@ namespace AibisDream.MiniGame.Language
             {
                 for (int j = i + 1; j < candidateParticles.Count; j++)
                 {
-                    float distance = Vector3.Distance(
-                        candidateParticles[i].transform.position,
-                        candidateParticles[j].transform.position
-                    );
-
-                    if (distance < connectionDistance)
+                    if (TryGetConnectionVisual(
+                        candidateParticles[i],
+                        candidateParticles[j],
+                        out _,
+                        out _,
+                        out _))
                     {
                         string key = $"{Mathf.Min(i, j)}-{Mathf.Max(i, j)}";
                         previousConnections[key] = true;
@@ -1226,12 +1241,12 @@ namespace AibisDream.MiniGame.Language
             {
                 for (int j = i + 1; j < candidateParticles.Count; j++)
                 {
-                    float distance = Vector3.Distance(
-                        candidateParticles[i].transform.position,
-                        candidateParticles[j].transform.position
-                    );
-
-                    if (distance < connectionDistance)
+                    if (TryGetConnectionVisual(
+                        candidateParticles[i],
+                        candidateParticles[j],
+                        out _,
+                        out _,
+                        out _))
                     {
                         string key = $"{Mathf.Min(i, j)}-{Mathf.Max(i, j)}";
                         currentConnections[key] = true;
@@ -1276,8 +1291,7 @@ namespace AibisDream.MiniGame.Language
                 {
                     if (other.isRed) continue;
 
-                    float dist = Vector3.Distance(red.transform.position, other.transform.position);
-                    if (dist < connectionDistance)
+                    if (red.connections.Contains(other))
                         return false;
                 }
             }
@@ -1285,26 +1299,50 @@ namespace AibisDream.MiniGame.Language
             return true;
         }
 
+        public bool TryGetConnectionVisual(
+            CandidateParticle first,
+            CandidateParticle second,
+            out Vector3 from,
+            out Vector3 to,
+            out float proximity)
+        {
+            float edgeDistance =
+                ActiveUnitMode == ExpressionParticleUnitMode.Word
+                    ? activeSnapshot?.Profile?.VisualEdgeConnectionDistance ?? 0.18f
+                    : 0f;
+            return ExpressionParticleGeometry.TryGetConnection(
+                first,
+                second,
+                connectionDistance,
+                edgeDistance,
+                out from,
+                out to,
+                out proximity);
+        }
+
         private void OnTargetsCompleted()
         {
             completionPhase = CompletionPhase.Completed;
             completionTimer = 0f;
             focusTimer = 0f;
             fadeOutAlpha = 1f;
+            activePhraseScale = 1f;
             allowInput = false;
             DestroyFocusVisualDecorationsAndClear();
-            finalTargetCharacters.Clear();
+            finalTargetUnits.Clear();
             finalTargetPositions.Clear();
             focusTweensCompleted = false;
             interferenceLogicSuspended = false;
             SetStatusUIVisibility(true, 0f);
 
             orderedRedParticles = GetOrderedRedParticles();
-            ExpressionTextTokenizer.Layout layout = ExpressionTextTokenizer.BuildLayout(
-                targetSentence,
-                0.9f,
-                whitespaceSpacingMultiplier);
-            int displayLength = Mathf.Min(orderedRedParticles.Count, layout.Count);
+            IReadOnlyList<string> targetUnits =
+                activeSnapshot?.TargetUnits ?? new List<string>().AsReadOnly();
+            IReadOnlyList<float> targetGapWeights =
+                activeSnapshot?.TargetGapWeights ?? new List<float>().AsReadOnly();
+            List<Vector3> layoutPositions =
+                CalculatePhrasePositions(targetUnits, targetGapWeights);
+            int displayLength = Mathf.Min(orderedRedParticles.Count, targetUnits.Count);
 
             if (displayLength < orderedRedParticles.Count)
             {
@@ -1313,18 +1351,17 @@ namespace AibisDream.MiniGame.Language
 
             for (int i = 0; i < displayLength; i++)
             {
-                finalTargetCharacters.Add(layout.VisibleElements[i]);
+                finalTargetUnits.Add(targetUnits[i]);
             }
 
-            Vector3 displayCenter = worldCanvas != null ? worldCanvas.transform.position : Vector3.zero;
-            if (finalTargetCharacters.Count > 0)
+            if (finalTargetUnits.Count > 0)
             {
                 finalTargetPositions.Clear();
                 Bounds clip = GetCompletionClipBounds();
-                for (int i = 0; i < finalTargetCharacters.Count; i++)
+                for (int i = 0; i < finalTargetUnits.Count; i++)
                 {
-                    Vector3 pos = displayCenter + new Vector3(layout.Offsets[i], 0f, 0f);
-                    finalTargetPositions.Add(ClampPositionToBounds(pos, clip));
+                    finalTargetPositions.Add(
+                        ClampPositionToBounds(layoutPositions[i], clip));
                 }
             }
 
@@ -1545,7 +1582,8 @@ namespace AibisDream.MiniGame.Language
                 Vector3 offset = particle.transform.position - focusCentroid;
                 float indexCenter = (orderedRedParticles.Count - 1) * 0.5f;
                 Vector3 spreadOffset = new Vector3((i - indexCenter) * spreadDistance, Mathf.Sin(i * 1.4f) * spreadDistance * 0.6f, 0f);
-                Vector3 focusPosition = focusTargetCenter + offset * focusZoomScale + spreadOffset;
+                Vector3 focusPosition =
+                    focusTargetCenter + offset * ResolvedFocusScale + spreadOffset;
                 Vector3 finalPosition = finalTargetPositions.Count > i ? finalTargetPositions[i] : focusTargetCenter;
                 focusPosition = ClampPositionToBounds(focusPosition, focusClipBounds);
                 finalPosition = ClampPositionToBounds(finalPosition, focusClipBounds);
@@ -1559,7 +1597,10 @@ namespace AibisDream.MiniGame.Language
                         if (completedTweens >= tweenTargetCount)
                             focusMoveTweensCompleted = true;
                     });
-                particle.transform.DOScale(Vector3.one * focusZoomScale, focusMoveDuration).SetEase(Ease.InOutQuad);
+                particle.transform.DOScale(
+                        Vector3.one * ResolvedFocusScale,
+                        focusMoveDuration)
+                    .SetEase(Ease.InOutQuad);
                 DOTween.To(
                         () => particle.resolvedColorProgress,
                         value => particle.resolvedColorProgress = value,
@@ -1569,8 +1610,11 @@ namespace AibisDream.MiniGame.Language
                     .SetTarget(particle)
                     .OnComplete(() => particle.resolvedColorProgress = 1f);
 
-                string finalChar = i < finalTargetCharacters.Count ? finalTargetCharacters[i] : particle.currentChar;
-                TargetFocusVisual visual = CreateFocusVisual(particle, finalChar);
+                string finalUnitText = i < finalTargetUnits.Count
+                    ? finalTargetUnits[i]
+                    : particle.CurrentUnitText;
+                TargetFocusVisual visual =
+                    CreateFocusVisual(particle, finalUnitText);
                 visual.focusPosition = focusPosition;
                 visual.finalPosition = finalPosition;
                 visual.orderIndex = i;
@@ -1611,12 +1655,14 @@ namespace AibisDream.MiniGame.Language
             focusTransitionRoutine = null;
         }
 
-        private TargetFocusVisual CreateFocusVisual(CandidateParticle particle, string finalChar)
+        private TargetFocusVisual CreateFocusVisual(
+            CandidateParticle particle,
+            string finalUnitText)
         {
             return new TargetFocusVisual
             {
                 particle = particle,
-                finalChar = finalChar,
+                finalUnitText = finalUnitText,
                 startShakeIntensity = Mathf.Max(particle.anxietyShakeIntensity, 4f)
             };
         }
@@ -1712,7 +1758,7 @@ namespace AibisDream.MiniGame.Language
             if (!visual.gatherLocked && gather >= lockThreshold)
             {
                 visual.gatherLocked = true;
-                visual.particle.ForceSetCharacter(visual.finalChar);
+                visual.particle.ForceSetUnitText(visual.finalUnitText);
                 visual.particle.SetChangeInterval(2f);
                 visual.particle.ResetChangeTimer(2f);
                 visual.particle.anxietyShakeIntensity = 0.6f;
@@ -1911,7 +1957,7 @@ namespace AibisDream.MiniGame.Language
 
                 if (!visual.stabilized && probabilityProgress >= 1f)
                 {
-                    visual.particle.ForceSetCharacter(visual.finalChar);
+                    visual.particle.ForceSetUnitText(visual.finalUnitText);
                     visual.particle.SetChangeInterval(1.5f);
                     visual.particle.ResetChangeTimer(visual.particle.changeSpeedMultiplier);
                     visual.particle.isStatic = true;
@@ -2054,14 +2100,16 @@ namespace AibisDream.MiniGame.Language
             }
 
             StopSlotMachineShuffle();
-            string pool = SanitizeSlotMachinePool(charPool);
-            if (string.IsNullOrEmpty(pool))
+            string particlePool = ActiveUnitMode == ExpressionParticleUnitMode.Word
+                ? charPool?.Replace("|", " ").Replace("｜", " ")
+                : SanitizeSlotMachinePool(charPool);
+            List<string> poolElements =
+                ExpressionTextTokenizer.TokenizeText(particlePool, ActiveUnitMode);
+            if (poolElements.Count == 0)
             {
                 Debug.LogWarning("[LanguageParticleManager] 老虎机换字字符池为空；已安全跳过。");
                 return;
             }
-            IReadOnlyList<string> poolElements =
-                ExpressionTextTokenizer.GetVisibleElements(pool).AsReadOnly();
 
             float changeInterval = Mathf.Max(0.02f, interval);
             foreach (TargetFocusVisual visual in focusVisuals.Values)
@@ -2069,7 +2117,7 @@ namespace AibisDream.MiniGame.Language
                 if (visual?.particle == null)
                     continue;
 
-                visual.particle.SetOverrideCharacterPool(poolElements);
+                visual.particle.SetOverrideUnitPool(poolElements);
                 visual.particle.SetChangeInterval(changeInterval);
                 visual.particle.ResetChangeTimer(changeInterval);
                 visual.particle.isStatic = false;
@@ -2103,7 +2151,7 @@ namespace AibisDream.MiniGame.Language
             }
 
             foreach (CandidateParticle particle in targetParticles)
-                particle?.SetOverrideCharacterPool(null);
+                particle?.SetOverrideUnitPool((IReadOnlyList<string>)null);
         }
 
         private IEnumerator EndSlotMachineShuffleAfter(float duration)
@@ -2111,7 +2159,7 @@ namespace AibisDream.MiniGame.Language
             yield return new WaitForSeconds(duration);
             slotMachineRoutine = null;
             foreach (CandidateParticle particle in targetParticles)
-                particle?.SetOverrideCharacterPool(null);
+                particle?.SetOverrideUnitPool((IReadOnlyList<string>)null);
         }
 
         public void PrepareTruthReleaseFromLie()
@@ -2211,7 +2259,7 @@ namespace AibisDream.MiniGame.Language
             List<CandidateParticle> particles = GetPresentationPhraseParticles();
             if (!ValidatePresentationPhrase(text, particles, "真话失稳"))
                 yield break;
-            List<string> characters = ExpressionTextTokenizer.GetVisibleElements(text);
+            List<string> units = TokenizeActiveText(text);
 
             Color unstableColor = truthAttackColor;
             if (!string.IsNullOrWhiteSpace(colorHex))
@@ -2231,7 +2279,7 @@ namespace AibisDream.MiniGame.Language
             float resolvedShakeAmplitude = Mathf.Max(0f, shakeAmplitude);
             float resolvedShakeSpeed = Mathf.Max(0f, shakeSpeed);
             List<Vector3> destinations = CalculatePresentationPhrasePositions(text);
-            UpdateFinalPresentationPhrase(characters, destinations);
+            UpdateFinalPresentationPhrase(units, destinations);
 
             for (int i = 0; i < particles.Count; i++)
             {
@@ -2258,13 +2306,13 @@ namespace AibisDream.MiniGame.Language
                 particle.resolvedColorProgress = 1f;
                 particle.calmProgress = 1f;
 
-                if (i >= characters.Count)
+                if (i >= units.Count)
                 {
                     particle.alpha = 0f;
                     continue;
                 }
 
-                particle.ForceSetCharacter(characters[i]);
+                particle.ForceSetUnitText(units[i]);
                 particle.alpha = 1f;
                 particle.SetFocusInterference(
                     unstableColor,
@@ -2282,7 +2330,7 @@ namespace AibisDream.MiniGame.Language
 
             yield return new WaitForSeconds(totalDuration);
 
-            for (int i = 0; i < characters.Count && i < particles.Count; i++)
+            for (int i = 0; i < units.Count && i < particles.Count; i++)
             {
                 CandidateParticle particle = particles[i];
                 if (particle == null)
@@ -2300,7 +2348,7 @@ namespace AibisDream.MiniGame.Language
             List<CandidateParticle> particles = GetPresentationPhraseParticles();
             if (!ValidatePresentationPhrase(text, particles, "真话攻击"))
                 yield break;
-            List<string> characters = ExpressionTextTokenizer.GetVisibleElements(text);
+            List<string> units = TokenizeActiveText(text);
 
             PreparePresentationPhraseControl();
 
@@ -2310,7 +2358,7 @@ namespace AibisDream.MiniGame.Language
             float settleDuration = Mathf.Max(0.04f, totalDuration - travelDuration);
             int directionSign = truthAttackSequenceIndex++ % 2 == 0 ? -1 : 1;
             List<Vector3> destinations = CalculatePresentationPhrasePositions(text);
-            UpdateFinalPresentationPhrase(characters, destinations);
+            UpdateFinalPresentationPhrase(units, destinations);
 
             for (int i = 0; i < particles.Count; i++)
             {
@@ -2338,7 +2386,7 @@ namespace AibisDream.MiniGame.Language
                 particle.resolvedColorProgress = 1f;
                 particle.calmProgress = 1f;
 
-                if (i >= characters.Count)
+                if (i >= units.Count)
                 {
                     DOTween.To(
                             () => particle.alpha,
@@ -2350,7 +2398,7 @@ namespace AibisDream.MiniGame.Language
                     continue;
                 }
 
-                particle.ForceSetCharacter(characters[i]);
+                particle.ForceSetUnitText(units[i]);
                 particle.alpha = 1f;
                 particle.focusInterferenceProgress = 1f;
 
@@ -2360,9 +2408,9 @@ namespace AibisDream.MiniGame.Language
                 particle.transform.position = destination +
                     new Vector3(directionSign * travel, verticalKick, 0f);
                 particle.transform.localScale = new Vector3(
-                    focusZoomScale * Mathf.Lerp(1.12f, 1.42f, resolvedImpact),
-                    focusZoomScale * Mathf.Lerp(0.86f, 0.66f, resolvedImpact),
-                    focusZoomScale);
+                    ResolvedFocusScale * Mathf.Lerp(1.12f, 1.42f, resolvedImpact),
+                    ResolvedFocusScale * Mathf.Lerp(0.86f, 0.66f, resolvedImpact),
+                    ResolvedFocusScale);
 
                 float delay = Mathf.Min(totalDuration * 0.12f, i * 0.018f);
                 float localTravelDuration = Mathf.Max(0.04f, travelDuration - delay);
@@ -2374,7 +2422,7 @@ namespace AibisDream.MiniGame.Language
                         .SetEase(Ease.OutExpo));
                 sequence.Join(
                     particle.transform.DOScale(
-                            Vector3.one * focusZoomScale,
+                            Vector3.one * ResolvedFocusScale,
                             localTravelDuration)
                         .SetEase(Ease.OutCubic));
                 sequence.Append(
@@ -2387,13 +2435,13 @@ namespace AibisDream.MiniGame.Language
 
             yield return new WaitForSeconds(totalDuration);
 
-            for (int i = 0; i < characters.Count && i < particles.Count; i++)
+            for (int i = 0; i < units.Count && i < particles.Count; i++)
             {
                 CandidateParticle particle = particles[i];
                 if (particle == null)
                     continue;
                 particle.transform.position = destinations[i];
-                particle.transform.localScale = Vector3.one * focusZoomScale;
+                particle.transform.localScale = Vector3.one * ResolvedFocusScale;
                 particle.alpha = 1f;
             }
         }
@@ -2406,7 +2454,7 @@ namespace AibisDream.MiniGame.Language
             List<CandidateParticle> particles = GetPresentationPhraseParticles();
             if (!ValidatePresentationPhrase(text, particles, "真话稳定"))
                 yield break;
-            List<string> characters = ExpressionTextTokenizer.GetVisibleElements(text);
+            List<string> units = TokenizeActiveText(text);
 
             PreparePresentationPhraseControl();
 
@@ -2432,7 +2480,7 @@ namespace AibisDream.MiniGame.Language
                     .SetEase(Ease.InCubic)
                     .SetTarget(particle);
                 particle.transform.DOScale(
-                        Vector3.one * focusZoomScale * 0.72f,
+                        Vector3.one * ResolvedFocusScale * 0.72f,
                         breakDuration)
                     .SetEase(Ease.InCubic)
                     .SetTarget(particle);
@@ -2448,7 +2496,7 @@ namespace AibisDream.MiniGame.Language
             yield return new WaitForSeconds(breakDuration);
 
             List<Vector3> destinations = CalculatePresentationPhrasePositions(text);
-            UpdateFinalPresentationPhrase(characters, destinations);
+            UpdateFinalPresentationPhrase(units, destinations);
             for (int i = 0; i < particles.Count; i++)
             {
                 CandidateParticle particle = particles[i];
@@ -2473,14 +2521,14 @@ namespace AibisDream.MiniGame.Language
                 particle.resolvedColorProgress = 1f;
                 particle.calmProgress = 1f;
 
-                if (i >= characters.Count)
+                if (i >= units.Count)
                 {
                     particle.alpha = 0f;
                     particle.ClearFocusInterference();
                     continue;
                 }
 
-                particle.ForceSetCharacter(characters[i]);
+                particle.ForceSetUnitText(units[i]);
                 particle.SetFocusInterference(truthAttackColor, 0f, 0f);
                 particle.focusInterferenceProgress = 1f;
                 particle.alpha = 0.15f;
@@ -2488,7 +2536,7 @@ namespace AibisDream.MiniGame.Language
                     .SetEase(Ease.OutCubic)
                     .SetTarget(particle);
                 particle.transform.DOScale(
-                        Vector3.one * focusZoomScale,
+                        Vector3.one * ResolvedFocusScale,
                         reformDuration)
                     .SetEase(Ease.OutBack)
                     .SetTarget(particle);
@@ -2516,11 +2564,11 @@ namespace AibisDream.MiniGame.Language
                 if (particle == null)
                     continue;
                 particle.ClearFocusInterference();
-                particle.alpha = i < characters.Count ? 1f : 0f;
-                if (i < characters.Count)
+                particle.alpha = i < units.Count ? 1f : 0f;
+                if (i < units.Count)
                 {
                     particle.transform.position = destinations[i];
-                    particle.transform.localScale = Vector3.one * focusZoomScale;
+                    particle.transform.localScale = Vector3.one * ResolvedFocusScale;
                 }
             }
         }
@@ -2540,7 +2588,7 @@ namespace AibisDream.MiniGame.Language
                 .ToList();
         }
 
-        private static bool ValidatePresentationPhrase(
+        private bool ValidatePresentationPhrase(
             string text,
             List<CandidateParticle> particles,
             string context)
@@ -2557,7 +2605,7 @@ namespace AibisDream.MiniGame.Language
                 return false;
             }
 
-            int requiredParticles = ExpressionTextTokenizer.GetVisibleElements(text).Count;
+            int requiredParticles = TokenizeActiveText(text).Count;
             if (requiredParticles == 0)
             {
                 Debug.LogWarning($"[LanguageParticleManager] {context}没有可显示的文本元素；已安全跳过。");
@@ -2593,30 +2641,124 @@ namespace AibisDream.MiniGame.Language
 
         private List<Vector3> CalculatePresentationPhrasePositions(string text)
         {
-            float spacing = Mathf.Max(0.1f, truthAttackCharacterSpacing);
-            ExpressionTextTokenizer.Layout layout = ExpressionTextTokenizer.BuildLayout(
-                text,
-                spacing,
-                whitespaceSpacingMultiplier);
-            var positions = new List<Vector3>(layout.Count);
-            Vector3 center = worldCanvas != null ? worldCanvas.transform.position : transform.position;
-            Bounds clip = GetCompletionClipBounds();
-            for (int i = 0; i < layout.Count; i++)
+            ExpressionTextTokenizer.UnitSequence sequence =
+                ExpressionTextTokenizer.BuildLayoutUnits(text, ActiveUnitMode);
+            return CalculatePhrasePositions(sequence.Units, sequence.GapWeights);
+        }
+
+        private List<string> TokenizeActiveText(string text)
+        {
+            return ExpressionTextTokenizer.TokenizeText(text, ActiveUnitMode);
+        }
+
+        private List<Vector3> CalculatePhrasePositions(
+            IReadOnlyList<string> units,
+            IReadOnlyList<float> gapWeights)
+        {
+            int count = units?.Count ?? 0;
+            var offsets = new List<float>(count);
+            var positions = new List<Vector3>(count);
+            if (count == 0)
             {
-                Vector3 position = center + new Vector3(layout.Offsets[i], 0f, 0f);
+                activePhraseScale = 1f;
+                return positions;
+            }
+
+            bool wordMode = ActiveUnitMode == ExpressionParticleUnitMode.Word;
+            float graphemeSpacing = Mathf.Max(0.1f, truthAttackCharacterSpacing);
+            float wordSpacing = Mathf.Max(
+                0f,
+                activeSnapshot?.Profile?.WordSpacing ?? 0.18f);
+            float cursor = 0f;
+            float maxUnitWidth = 0f;
+
+            for (int i = 0; i < count; i++)
+            {
+                float width = MeasureUnitWorldWidth(units[i]);
+                maxUnitWidth = Mathf.Max(maxUnitWidth, width);
+                float gapWeight =
+                    gapWeights != null && i < gapWeights.Count ? gapWeights[i] : 0f;
+
+                if (wordMode)
+                {
+                    if (i > 0)
+                        cursor += wordSpacing * Mathf.Max(1f, gapWeight);
+                    offsets.Add(cursor + width * 0.5f);
+                    cursor += width;
+                }
+                else
+                {
+                    if (i > 0 && gapWeight > 0f)
+                        cursor += graphemeSpacing * whitespaceSpacingMultiplier * gapWeight;
+                    offsets.Add(cursor);
+                    cursor += graphemeSpacing;
+                }
+            }
+
+            float baseCenter = (offsets[0] + offsets[offsets.Count - 1]) * 0.5f;
+            for (int i = 0; i < offsets.Count; i++)
+                offsets[i] -= baseCenter;
+
+            float baseWidth = wordMode
+                ? cursor
+                : Mathf.Max(
+                    maxUnitWidth * focusZoomScale,
+                    offsets[offsets.Count - 1] - offsets[0] +
+                    maxUnitWidth * focusZoomScale);
+            float widthAtFocus = wordMode ? baseWidth * focusZoomScale : baseWidth;
+            Bounds clip = GetCompletionClipBounds();
+            float availableWidth = Mathf.Max(0.01f, clip.size.x);
+            activePhraseScale = widthAtFocus > availableWidth
+                ? availableWidth / widthAtFocus
+                : 1f;
+
+            float minimumReadable =
+                activeSnapshot?.Profile?.MinimumReadablePhraseScale ?? 0.65f;
+            if (activePhraseScale < minimumReadable)
+            {
+                Debug.LogError(
+                    $"[LanguageParticleManager] 表达文字需要缩放到 {activePhraseScale:0.00}，" +
+                    $"低于 Locale Profile 最小可读值 {minimumReadable:0.00}；" +
+                    "运行时仍会缩放以保证文字完整显示。");
+            }
+
+            Vector3 center =
+                worldCanvas != null ? worldCanvas.transform.position : transform.position;
+            float offsetScale = wordMode ? ResolvedFocusScale : activePhraseScale;
+            for (int i = 0; i < offsets.Count; i++)
+            {
+                Vector3 position =
+                    center + new Vector3(offsets[i] * offsetScale, 0f, 0f);
                 positions.Add(ClampPositionToBounds(position, clip));
             }
+
             return positions;
         }
 
+        private float MeasureUnitWorldWidth(string unit)
+        {
+            CandidateParticle reference = targetParticles.FirstOrDefault(
+                particle => particle != null && particle.textMesh != null);
+            if (reference?.textMesh == null)
+                return Mathf.Max(0.1f, truthAttackCharacterSpacing);
+
+            float preferred = reference.textMesh.GetPreferredValues(unit).x;
+            float rootScale = Mathf.Max(
+                0.0001f,
+                Mathf.Abs(reference.transform.localScale.x));
+            float worldScale =
+                Mathf.Abs(reference.textMesh.transform.lossyScale.x) / rootScale;
+            return Mathf.Max(0.01f, preferred * worldScale);
+        }
+
         private void UpdateFinalPresentationPhrase(
-            IReadOnlyList<string> characters,
+            IReadOnlyList<string> units,
             List<Vector3> positions)
         {
-            finalTargetCharacters.Clear();
+            finalTargetUnits.Clear();
             finalTargetPositions.Clear();
-            for (int i = 0; i < characters.Count; i++)
-                finalTargetCharacters.Add(characters[i]);
+            for (int i = 0; i < units.Count; i++)
+                finalTargetUnits.Add(units[i]);
             finalTargetPositions.AddRange(positions);
         }
 
@@ -2654,12 +2796,16 @@ namespace AibisDream.MiniGame.Language
             if (string.IsNullOrEmpty(fragment) || orderedRedParticles.Count == 0)
                 yield break;
 
-            List<string> targetElements = ExpressionTextTokenizer.GetVisibleElements(targetSentence);
-            List<string> fragmentElements = ExpressionTextTokenizer.GetVisibleElements(fragment);
-            int startIndex = ExpressionTextTokenizer.FindVisibleSequence(targetElements, fragmentElements);
+            IReadOnlyList<string> targetElements =
+                activeSnapshot?.TargetUnits ?? new List<string>().AsReadOnly();
+            List<string> fragmentElements = TokenizeActiveText(fragment);
+            int startIndex =
+                ExpressionTextTokenizer.FindUnitSequence(targetElements, fragmentElements);
             if (startIndex < 0)
             {
-                Debug.LogWarning($"[LanguageParticleManager] 真话泄漏片段“{fragment}”不在目标句“{targetSentence}”中。");
+                Debug.LogWarning(
+                    $"[LanguageParticleManager] 真话泄漏片段“{fragment}”不在目标句" +
+                    $"“{activeSnapshot?.TargetText}”中。");
                 yield break;
             }
 
@@ -2669,7 +2815,7 @@ namespace AibisDream.MiniGame.Language
             {
                 CandidateParticle particle = orderedRedParticles[i];
                 if (particle == null) continue;
-                particle.ForceSetCharacter(targetElements[i]);
+                particle.ForceSetUnitText(targetElements[i]);
                 particle.isStatic = true;
                 particle.alpha = 1f;
                 leaked.Add(particle);
@@ -2753,7 +2899,7 @@ namespace AibisDream.MiniGame.Language
                 CandidateParticle particle = visual.particle;
                 particle.transform.DOKill();
                 particle.transform.position = visual.finalPosition;
-                particle.ForceSetCharacter(visual.finalChar);
+                particle.ForceSetUnitText(visual.finalUnitText);
                 particle.SetChangeInterval(1.5f);
                 particle.ResetChangeTimer(1.5f);
                 particle.anxietyShakeIntensity = 0f;
@@ -2833,7 +2979,10 @@ namespace AibisDream.MiniGame.Language
             DestroyFocusVisualDecorationsAndClear();
             foreach (var p in particlesToScale)
             {
-                p.transform.DOScale(Vector3.one * focusZoomScale, 0.3f).SetEase(Ease.OutQuad);
+                p.transform.DOScale(
+                        Vector3.one * ResolvedFocusScale,
+                        0.3f)
+                    .SetEase(Ease.OutQuad);
                 p.isStatic = true;
                 p.changeSpeedMultiplier = 1f;
                 p.resolvedColorProgress = 1f;
@@ -3069,15 +3218,16 @@ namespace AibisDream.MiniGame.Language
             foreach (var particle in candidateParticles)
             {
                 Vector2 particlePos = particle.transform.position;
-                float distance = Vector2.Distance(center, particlePos);
+                float distance = particle.DistanceToVisualBounds(center);
 
-                if (distance < repulsionRadius && distance > 0.01f)
+                if (distance < repulsionRadius)
                 {
-                    // 计算方向和力度
-                    Vector2 direction = (particlePos - center).normalized;
+                    Vector2 delta = particlePos - center;
+                    Vector2 direction = delta.sqrMagnitude > 0.0001f
+                        ? delta.normalized
+                        : Vector2.up;
                     float forceMagnitude = repulsionForce * (1f - distance / repulsionRadius);
                     
-                    // 应用力
                     particle.ApplyForce(direction * forceMagnitude);
                 }
             }
@@ -3112,7 +3262,7 @@ namespace AibisDream.MiniGame.Language
             allowInput = !playEntranceEffect;
             orderedRedParticles.Clear();
             DestroyFocusVisualDecorationsAndClear();
-            finalTargetCharacters.Clear();
+            finalTargetUnits.Clear();
             finalTargetPositions.Clear();
             previousConnections.Clear();
             initializationComplete = false;
@@ -3201,7 +3351,7 @@ namespace AibisDream.MiniGame.Language
             RebuildScreenClipMaterials();
 
             SelectRedParticles();
-            RefreshAllRandomCharacters();
+            RefreshAllRandomUnits();
             UpdateStatusUI();
             if (playEntranceEffect)
             {
@@ -3403,32 +3553,56 @@ namespace AibisDream.MiniGame.Language
                     if (particleB == null || (particleA.isStatic && particleB.isStatic))
                         continue;
 
-                    Vector2 posA = particleA.transform.position;
-                    Vector2 posB = particleB.transform.position;
-                    Vector2 diff = posA - posB;
-                    float distSqr = diff.sqrMagnitude;
-                    float requiredSpacing = CalculateRequiredParticleSpacing(particleA, particleB);
-                    if (distSqr >= requiredSpacing * requiredSpacing)
-                        continue;
-
-                    float distance;
                     Vector2 direction;
-                    if (distSqr > 0.000001f)
+                    float overlap;
+                    bool differentTypes =
+                        particleA.originalIsRed != particleB.originalIsRed;
+
+                    if (ActiveUnitMode == ExpressionParticleUnitMode.Word &&
+                        useGlyphBoundsForSeparation)
                     {
-                        distance = Mathf.Sqrt(distSqr);
-                        direction = diff / distance;
+                        float padding = Mathf.Max(0f, separationPadding);
+                        if (differentTypes)
+                            padding *= Mathf.Max(1f, differentTypeSpacingMultiplier);
+                        if (!ExpressionParticleGeometry.TryGetSeparation(
+                            particleA.GetVisualWorldBounds(),
+                            particleB.GetVisualWorldBounds(),
+                            padding,
+                            out direction,
+                            out overlap))
+                        {
+                            continue;
+                        }
                     }
                     else
                     {
-                        // 完全重合时 normalized 会得到零向量；使用稳定的配对方向打破死锁。
-                        distance = 0f;
-                        float angle = (i * 37f + j * 61f) * 2.3999632f;
-                        direction = new Vector2(Mathf.Cos(angle), Mathf.Sin(angle));
+                        Vector2 diff =
+                            particleA.transform.position - particleB.transform.position;
+                        float distSqr = diff.sqrMagnitude;
+                        float requiredSpacing =
+                            CalculateRequiredParticleSpacing(particleA, particleB);
+                        if (distSqr >= requiredSpacing * requiredSpacing)
+                            continue;
+
+                        float distance;
+                        if (distSqr > 0.000001f)
+                        {
+                            distance = Mathf.Sqrt(distSqr);
+                            direction = diff / distance;
+                        }
+                        else
+                        {
+                            distance = 0f;
+                            float angle = (i * 37f + j * 61f) * 2.3999632f;
+                            direction =
+                                new Vector2(Mathf.Cos(angle), Mathf.Sin(angle));
+                        }
+
+                        overlap = requiredSpacing - distance;
                     }
 
-                    float overlap = requiredSpacing - distance;
-                    float normalizedOverlap = Mathf.Clamp01(overlap / Mathf.Max(requiredSpacing, 0.0001f));
-                    bool differentTypes = particleA.originalIsRed != particleB.originalIsRed;
+                    float normalizedOverlap = Mathf.Clamp01(
+                        overlap / Mathf.Max(minParticleSpacing, 0.0001f));
                     float forceMultiplier = differentTypes
                         ? Mathf.Max(1f, differentTypeForceMultiplier)
                         : 1f;
diff --git a/Assets/Scripts/MiniGame/HuoShan/Language/LanguageYarnCommand.cs b/Assets/Scripts/MiniGame/HuoShan/Language/LanguageYarnCommand.cs
index 77f54b34a..8b77fbab9 100644
--- a/Assets/Scripts/MiniGame/HuoShan/Language/LanguageYarnCommand.cs
+++ b/Assets/Scripts/MiniGame/HuoShan/Language/LanguageYarnCommand.cs
@@ -90,18 +90,20 @@ namespace AibisDream.MiniGame.Language
 
         public static bool TryParseExpressionPool(
             string value,
-            out List<string> characters)
+            out List<string> units)
         {
-            characters = new List<string>();
-            if (string.IsNullOrWhiteSpace(value) ||
-                value.Contains('|') ||
-                value.Contains('｜'))
-            {
-                return false;
-            }
+            return TryParseExpressionPool(
+                value,
+                ExpressionParticleUnitMode.Grapheme,
+                out units);
+        }
 
-            characters = ExpressionTextTokenizer.GetVisibleElements(value);
-            return characters.Count > 0;
+        public static bool TryParseExpressionPool(
+            string value,
+            ExpressionParticleUnitMode mode,
+            out List<string> units)
+        {
+            return ExpressionTextTokenizer.TryTokenizePool(value, mode, out units);
         }
 
         private static bool TryGetPresentation(out LogReleasePresentationController presentation)
@@ -171,10 +173,21 @@ namespace AibisDream.MiniGame.Language
                     "[LanguageYarnCommand] start_expression 没有有效的干扰 token；命令已安全结束。");
                 yield break;
             }
-            if (!TryParseExpressionPool(localized[2], out List<string> defaultCharacterPool))
+            ExpressionParticleLocaleSettings profile =
+                ExpressionManager.ParticleLanguageProfile != null
+                    ? ExpressionManager.ParticleLanguageProfile.Resolve(locale.Identifier)
+                    : ExpressionParticleLocaleSettings.CreateFallback();
+            if (!ExpressionRoundTextSnapshot.TryCreate(
+                locale.Identifier,
+                profile,
+                localized[1],
+                phrases,
+                localized[2],
+                out ExpressionRoundTextSnapshot snapshot,
+                out string snapshotError))
             {
                 UnityEngine.Debug.LogError(
-                    "[LanguageYarnCommand] start_expression 的默认字符池无效；命令已安全结束。");
+                    $"[LanguageYarnCommand] start_expression 粒子单位解析失败：{snapshotError}");
                 yield break;
             }
 
@@ -184,9 +197,7 @@ namespace AibisDream.MiniGame.Language
             yield return ExpressionManager.EnsureReleaseLogFadedIn(1f);
             ExpressionManager.SetActiveExpressionLocale(locale);
             ExpressionManager.StartSystem(
-                phrases,
-                localized[1],
-                defaultCharacterPool,
+                snapshot,
                 completionNode,
                 nonTargetParticleTotal);
             yield return ExpressionManager.WaitUntilExpressionFlowReady();
@@ -249,10 +260,21 @@ namespace AibisDream.MiniGame.Language
                     $"[LanguageYarnCommand] 表达轮次 '{roundId}' 没有有效的干扰 token。");
                 yield break;
             }
-            if (!TryParseExpressionPool(localized[2], out List<string> defaultCharacterPool))
+            ExpressionParticleLocaleSettings profile =
+                ExpressionManager.ParticleLanguageProfile != null
+                    ? ExpressionManager.ParticleLanguageProfile.Resolve(locale.Identifier)
+                    : ExpressionParticleLocaleSettings.CreateFallback();
+            if (!ExpressionRoundTextSnapshot.TryCreate(
+                locale.Identifier,
+                profile,
+                localized[1],
+                phrases,
+                localized[2],
+                out ExpressionRoundTextSnapshot snapshot,
+                out string snapshotError))
             {
                 UnityEngine.Debug.LogError(
-                    $"[LanguageYarnCommand] 表达轮次 '{roundId}' 的默认字符池无效。");
+                    $"[LanguageYarnCommand] 表达轮次 '{roundId}' 粒子单位解析失败：{snapshotError}");
                 yield break;
             }
 
@@ -261,9 +283,7 @@ namespace AibisDream.MiniGame.Language
             yield return ExpressionManager.EnsureReleaseLogFadedIn(1f);
             ExpressionManager.SetActiveExpressionLocale(locale);
             ExpressionManager.StartSystem(
-                phrases,
-                localized[1],
-                defaultCharacterPool,
+                snapshot,
                 completionNode ?? string.Empty,
                 round.NonTargetParticleCount);
             yield return ExpressionManager.WaitUntilExpressionFlowReady();
diff --git a/Assets/Scripts/MiniGame/HuoShan/Language/TextParticle.cs b/Assets/Scripts/MiniGame/HuoShan/Language/TextParticle.cs
index b7e20de86..ce7df5238 100644
--- a/Assets/Scripts/MiniGame/HuoShan/Language/TextParticle.cs
+++ b/Assets/Scripts/MiniGame/HuoShan/Language/TextParticle.cs
@@ -18,7 +18,21 @@ namespace AibisDream.MiniGame.Language
         public float alpha;
         public float baseAlpha = 1f;
         public float size = 4f;
-        public string currentChar;
+        [SerializeField]
+        [UnityEngine.Serialization.FormerlySerializedAs("currentChar")]
+        private string currentUnitText;
+        public string CurrentUnitText => currentUnitText;
+
+        [System.Obsolete("Use CurrentUnitText instead.")]
+        public string currentChar
+        {
+            get => currentUnitText;
+            set
+            {
+                currentUnitText = value;
+                UpdateText();
+            }
+        }
 
         [Header("状态")]
         public bool isStatic = false;
@@ -29,9 +43,9 @@ namespace AibisDream.MiniGame.Language
         protected float changeInterval = 1f;
         private static readonly IReadOnlyList<string> EmptyCharacterPool =
             new List<string>().AsReadOnly();
-        protected IReadOnlyList<string> defaultCharacterPool = EmptyCharacterPool;
-        protected IReadOnlyList<string> interferenceCharacterPool = EmptyCharacterPool;
-        protected IReadOnlyList<string> overrideCharacterPool = EmptyCharacterPool;
+        protected IReadOnlyList<string> defaultUnitPool = EmptyCharacterPool;
+        protected IReadOnlyList<string> interferenceUnitPool = EmptyCharacterPool;
+        protected IReadOnlyList<string> overrideUnitPool = EmptyCharacterPool;
         protected Bounds movementBounds;
         protected bool useCircularBounds = false;
         protected Vector3 boundsCenter;
@@ -39,6 +53,8 @@ namespace AibisDream.MiniGame.Language
         protected TMP_FontAsset customFont;
         private Material customFontMaterial;
         private TMPRectClipper screenClipper;
+        private Vector2 preferredLocalSize;
+        private bool preferredSizeDirty = true;
 
         protected virtual void Awake()
         {
@@ -82,7 +98,7 @@ namespace AibisDream.MiniGame.Language
             SyncLayerToChildren();
 
             changeTimer = Random.Range(0.5f, 1.5f);
-            currentChar = string.Empty;
+            currentUnitText = string.Empty;
             UpdateText();
             // TMP 重建 mesh / SubMesh 后再对齐一次 layer
             SyncLayerToChildren();
@@ -113,7 +129,7 @@ namespace AibisDream.MiniGame.Language
                 changeTimer -= Time.deltaTime;
                 if (changeTimer <= 0)
                 {
-                    currentChar = GetNextDisplayChar();
+                    currentUnitText = GetNextDisplayUnit();
                     UpdateText();
                     changeTimer = changeInterval;
                 }
@@ -169,13 +185,20 @@ namespace AibisDream.MiniGame.Language
 
             if (useCircularBounds)
             {
-                Vector2 offset = new Vector2(pos.x - boundsCenter.x, pos.y - boundsCenter.y);
+                Bounds visualBounds = GetVisualWorldBounds();
+                float visualRadius = Mathf.Max(
+                    visualBounds.extents.x,
+                    visualBounds.extents.y);
+                float allowedRadius = Mathf.Max(0f, boundsRadius - visualRadius);
+                Vector2 visualCenter = visualBounds.center;
+                Vector2 offset = visualCenter - (Vector2)boundsCenter;
                 float dist = offset.magnitude;
-                if (dist > boundsRadius && boundsRadius > 0.0001f)
+                if (dist > allowedRadius && boundsRadius > 0.0001f)
                 {
                     Vector2 norm = offset / dist;
-                    pos = boundsCenter + (Vector3)(norm * boundsRadius);
-                    pos.z = transform.position.z;
+                    Vector2 correction =
+                        (Vector2)boundsCenter + norm * allowedRadius - visualCenter;
+                    pos += (Vector3)correction;
                     // 反弹速度（沿径向反射）
                     Vector2 vel = velocity;
                     Vector2 reflect = vel - 2f * Vector2.Dot(vel, norm) * norm;
@@ -185,17 +208,26 @@ namespace AibisDream.MiniGame.Language
             }
             else
             {
-                if (pos.x < movementBounds.min.x || pos.x > movementBounds.max.x)
+                Bounds visualBounds = GetVisualWorldBounds();
+                if (visualBounds.min.x < movementBounds.min.x ||
+                    visualBounds.max.x > movementBounds.max.x)
                 {
                     velocity.x *= -1;
-                    pos.x = Mathf.Clamp(pos.x, movementBounds.min.x, movementBounds.max.x);
+                    if (visualBounds.min.x < movementBounds.min.x)
+                        pos.x += movementBounds.min.x - visualBounds.min.x;
+                    else
+                        pos.x -= visualBounds.max.x - movementBounds.max.x;
                     bounced = true;
                 }
 
-                if (pos.y < movementBounds.min.y || pos.y > movementBounds.max.y)
+                if (visualBounds.min.y < movementBounds.min.y ||
+                    visualBounds.max.y > movementBounds.max.y)
                 {
                     velocity.y *= -1;
-                    pos.y = Mathf.Clamp(pos.y, movementBounds.min.y, movementBounds.max.y);
+                    if (visualBounds.min.y < movementBounds.min.y)
+                        pos.y += movementBounds.min.y - visualBounds.min.y;
+                    else
+                        pos.y -= visualBounds.max.y - movementBounds.max.y;
                     bounced = true;
                 }
             }
@@ -206,7 +238,7 @@ namespace AibisDream.MiniGame.Language
 
         protected string GetRandomChar()
         {
-            return GetRandomPoolElement(defaultCharacterPool);
+            return GetRandomPoolElement(defaultUnitPool);
         }
 
         /// <summary>
@@ -215,16 +247,16 @@ namespace AibisDream.MiniGame.Language
         /// </summary>
         protected string GetRandomCharFromPhrases()
         {
-            if (interferenceCharacterPool == null || interferenceCharacterPool.Count == 0)
+            if (interferenceUnitPool == null || interferenceUnitPool.Count == 0)
                 return GetRandomChar();
-            return GetRandomPoolElement(interferenceCharacterPool);
+            return GetRandomPoolElement(interferenceUnitPool);
         }
 
         /// <summary>
         /// 获取下一次要显示的字符。子类可重写以区分目标粒子与非目标粒子（与红蓝颜色解绑）。
         /// 默认从本轮本地化字符池随机返回一个 Unicode 文本元素。
         /// </summary>
-        protected virtual string GetNextDisplayChar()
+        protected virtual string GetNextDisplayUnit()
         {
             if (TryGetOverridePoolChar(out string overrideChar))
                 return overrideChar;
@@ -234,19 +266,25 @@ namespace AibisDream.MiniGame.Language
         /// <summary>
         /// 设置换字字符池覆盖（老虎机演出用）；传空/null 清除，恢复默认字符池。
         /// </summary>
-        public void SetOverrideCharPool(string pool)
+        public void SetOverrideUnitPool(string pool)
         {
-            SetOverrideCharacterPool(
+            SetOverrideUnitPool(
                 ExpressionTextTokenizer.GetVisibleElements(pool));
         }
 
-        public void SetOverrideCharacterPool(IReadOnlyList<string> pool)
+        public void SetOverrideUnitPool(IReadOnlyList<string> pool)
         {
-            overrideCharacterPool = pool != null && pool.Count > 0
+            overrideUnitPool = pool != null && pool.Count > 0
                 ? pool
                 : EmptyCharacterPool;
         }
 
+        [System.Obsolete("Use SetOverrideUnitPool instead.")]
+        public void SetOverrideCharacterPool(IReadOnlyList<string> characterPool)
+        {
+            SetOverrideUnitPool(characterPool);
+        }
+
         protected bool TryGetOverridePoolChar(out string character)
         {
             if (!HasOverrideCharacterPool)
@@ -255,35 +293,49 @@ namespace AibisDream.MiniGame.Language
                 return false;
             }
 
-            character = GetRandomPoolElement(overrideCharacterPool);
+            character = GetRandomPoolElement(overrideUnitPool);
             return true;
         }
 
         /// <summary>
         /// 设置本轮默认与干扰字符池。调用方负责传入不可变的本轮快照。
         /// </summary>
-        public void SetCharacterPools(
+        public void SetUnitPools(
             IReadOnlyList<string> defaultPool,
             IReadOnlyList<string> interferencePool)
         {
-            defaultCharacterPool = defaultPool != null && defaultPool.Count > 0
+            defaultUnitPool = defaultPool != null && defaultPool.Count > 0
                 ? defaultPool
                 : EmptyCharacterPool;
-            interferenceCharacterPool =
+            interferenceUnitPool =
                 interferencePool != null && interferencePool.Count > 0
                     ? interferencePool
                     : EmptyCharacterPool;
         }
 
-        public void InitializeRandomCharacter()
+        [System.Obsolete("Use SetUnitPools instead.")]
+        public void SetCharacterPools(
+            IReadOnlyList<string> defaultCharacters,
+            IReadOnlyList<string> interferenceCharacters)
         {
-            currentChar = GetNextDisplayChar();
+            SetUnitPools(defaultCharacters, interferenceCharacters);
+        }
+
+        public void InitializeRandomUnit()
+        {
+            currentUnitText = GetNextDisplayUnit();
             UpdateText();
             changeTimer = Random.Range(0.5f, 1.5f);
         }
 
+        [System.Obsolete("Use InitializeRandomUnit instead.")]
+        public void InitializeRandomCharacter()
+        {
+            InitializeRandomUnit();
+        }
+
         protected bool HasOverrideCharacterPool =>
-            overrideCharacterPool != null && overrideCharacterPool.Count > 0;
+            overrideUnitPool != null && overrideUnitPool.Count > 0;
 
         private static string GetRandomPoolElement(IReadOnlyList<string> pool)
         {
@@ -295,13 +347,62 @@ namespace AibisDream.MiniGame.Language
         protected void UpdateText()
         {
             if (textMesh != null)
-                textMesh.text = currentChar;
+            {
+                textMesh.text = currentUnitText;
+                preferredSizeDirty = true;
+            }
         }
 
+        public void ForceSetUnitText(string unitText)
+        {
+            currentUnitText = unitText;
+            UpdateText();
+        }
+
+        [System.Obsolete("Use ForceSetUnitText instead.")]
         public void ForceSetCharacter(string character)
         {
-            currentChar = character;
-            UpdateText();
+            ForceSetUnitText(character);
+        }
+
+        public Bounds GetVisualWorldBounds()
+        {
+            RefreshPreferredSize();
+            Transform textTransform = textMesh != null ? textMesh.transform : transform;
+            Vector3 scale = textTransform.lossyScale;
+            Vector3 size = new Vector3(
+                Mathf.Max(0.001f, preferredLocalSize.x * Mathf.Abs(scale.x)),
+                Mathf.Max(0.001f, preferredLocalSize.y * Mathf.Abs(scale.y)),
+                0.001f);
+            return new Bounds(textTransform.position, size);
+        }
+
+        public float DistanceToVisualBounds(Vector2 worldPoint)
+        {
+            Bounds bounds = GetVisualWorldBounds();
+            float dx = Mathf.Max(bounds.min.x - worldPoint.x, 0f, worldPoint.x - bounds.max.x);
+            float dy = Mathf.Max(bounds.min.y - worldPoint.y, 0f, worldPoint.y - bounds.max.y);
+            return Mathf.Sqrt(dx * dx + dy * dy);
+        }
+
+        protected void InvalidateVisualBounds()
+        {
+            preferredSizeDirty = true;
+        }
+
+        private void RefreshPreferredSize()
+        {
+            if (!preferredSizeDirty)
+                return;
+
+            preferredSizeDirty = false;
+            if (textMesh == null || string.IsNullOrEmpty(currentUnitText))
+            {
+                preferredLocalSize = Vector2.zero;
+                return;
+            }
+
+            preferredLocalSize = textMesh.GetPreferredValues(currentUnitText);
         }
 
         public void SetStaticState(bool value)
@@ -380,6 +481,8 @@ namespace AibisDream.MiniGame.Language
 
             if (customFontMaterial != null)
                 textMesh.fontSharedMaterial = customFontMaterial;
+
+            InvalidateVisualBounds();
         }
 
         protected virtual void OnDestroy()
diff --git a/Assets/Tests/Huoshan.meta b/Assets/Tests/Huoshan.meta
new file mode 100644
index 000000000..43cc31015
--- /dev/null
+++ b/Assets/Tests/Huoshan.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 84ac13641a36486d8f1a891bad6b1f28
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Tests/Huoshan/PlayMode.meta b/Assets/Tests/Huoshan/PlayMode.meta
new file mode 100644
index 000000000..fd250017c
--- /dev/null
+++ b/Assets/Tests/Huoshan/PlayMode.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: f6244beee7e24912bd0e6019ac802f92
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Tests/Huoshan/PlayMode/AibisDream.Huoshan.Tests.PlayMode.asmdef b/Assets/Tests/Huoshan/PlayMode/AibisDream.Huoshan.Tests.PlayMode.asmdef
new file mode 100644
index 000000000..2268144d7
--- /dev/null
+++ b/Assets/Tests/Huoshan/PlayMode/AibisDream.Huoshan.Tests.PlayMode.asmdef
@@ -0,0 +1,19 @@
+{
+  "name": "AibisDream.Huoshan.Tests.PlayMode",
+  "rootNamespace": "AibisDream.Huoshan.Tests.PlayMode",
+  "references": [],
+  "includePlatforms": [],
+  "excludePlatforms": [],
+  "allowUnsafeCode": false,
+  "overrideReferences": false,
+  "precompiledReferences": [],
+  "autoReferenced": false,
+  "defineConstraints": [
+    "UNITY_INCLUDE_TESTS"
+  ],
+  "versionDefines": [],
+  "noEngineReferences": false,
+  "optionalUnityReferences": [
+    "TestAssemblies"
+  ]
+}
diff --git a/Assets/Tests/Huoshan/PlayMode/AibisDream.Huoshan.Tests.PlayMode.asmdef.meta b/Assets/Tests/Huoshan/PlayMode/AibisDream.Huoshan.Tests.PlayMode.asmdef.meta
new file mode 100644
index 000000000..47012d704
--- /dev/null
+++ b/Assets/Tests/Huoshan/PlayMode/AibisDream.Huoshan.Tests.PlayMode.asmdef.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: e93af359c134479a88d141136397693e
+AssemblyDefinitionImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Tests/Huoshan/PlayMode/ExpressionParticlePlayModeTests.cs b/Assets/Tests/Huoshan/PlayMode/ExpressionParticlePlayModeTests.cs
new file mode 100644
index 000000000..3bbb4bfa2
--- /dev/null
+++ b/Assets/Tests/Huoshan/PlayMode/ExpressionParticlePlayModeTests.cs
@@ -0,0 +1,152 @@
+using System;
+using System.Collections;
+using System.Linq;
+using System.Reflection;
+using NUnit.Framework;
+using UnityEngine;
+using UnityEngine.TestTools;
+
+namespace AibisDream.Huoshan.Tests.PlayMode
+{
+    public sealed class ExpressionParticlePlayModeTests
+    {
+        private const string RuntimeAssemblyName = "Assembly-CSharp";
+
+        [Test]
+        public void WordMode_TokenizesWholeWordsAtRuntime()
+        {
+            Type tokenizerType = RequireRuntimeType(
+                "AibisDream.MiniGame.Language.ExpressionTextTokenizer");
+            Type modeType = RequireRuntimeType(
+                "AibisDream.MiniGame.Language.ExpressionParticleUnitMode");
+            object wordMode = Enum.Parse(modeType, "Word");
+            MethodInfo tokenize = tokenizerType.GetMethod(
+                "TokenizeText",
+                BindingFlags.Public | BindingFlags.Static);
+
+            Assert.That(tokenize, Is.Not.Null);
+            IEnumerable result = (IEnumerable)tokenize.Invoke(
+                null,
+                new[] { "I am not self-doubt", wordMode });
+            string[] units = result.Cast<object>()
+                .Select(value => value.ToString())
+                .ToArray();
+
+            Assert.That(
+                units,
+                Is.EqualTo(new[] { "I", "am", "not", "self-doubt" }));
+        }
+
+        [UnityTest]
+        public IEnumerator WordParticle_BoundsIncludesBothPointerEdges()
+        {
+            GameObject gameObject = new GameObject("WordParticlePlayModeTest");
+            try
+            {
+                Component particle = gameObject.AddComponent(
+                    RequireRuntimeType(
+                        "AibisDream.MiniGame.Language.CandidateParticle"));
+                Invoke(particle, "ForceSetUnitText", "self-doubt");
+                yield return null;
+
+                Bounds bounds = (Bounds)Invoke(particle, "GetVisualWorldBounds");
+                Assert.That(bounds.size.x, Is.GreaterThan(0f));
+
+                float leftDistance = (float)Invoke(
+                    particle,
+                    "DistanceToVisualBounds",
+                    new Vector2(bounds.min.x, bounds.center.y));
+                float rightDistance = (float)Invoke(
+                    particle,
+                    "DistanceToVisualBounds",
+                    new Vector2(bounds.max.x, bounds.center.y));
+                Assert.That(leftDistance, Is.EqualTo(0f).Within(0.0001f));
+                Assert.That(rightDistance, Is.EqualTo(0f).Within(0.0001f));
+            }
+            finally
+            {
+                UnityEngine.Object.Destroy(gameObject);
+            }
+
+            yield return null;
+        }
+
+        [UnityTest]
+        public IEnumerator LongWords_ConnectThroughVisualEdgeDistance()
+        {
+            GameObject firstObject = new GameObject("FirstWordParticle");
+            GameObject secondObject = new GameObject("SecondWordParticle");
+            try
+            {
+                Type particleType = RequireRuntimeType(
+                    "AibisDream.MiniGame.Language.CandidateParticle");
+                Component first = firstObject.AddComponent(particleType);
+                Component second = secondObject.AddComponent(particleType);
+                Invoke(first, "ForceSetUnitText", "internationalization");
+                Invoke(second, "ForceSetUnitText", "characteristically");
+                yield return null;
+
+                Bounds firstBounds =
+                    (Bounds)Invoke(first, "GetVisualWorldBounds");
+                Bounds secondBounds =
+                    (Bounds)Invoke(second, "GetVisualWorldBounds");
+                secondObject.transform.position = new Vector3(
+                    firstBounds.extents.x + secondBounds.extents.x + 0.1f,
+                    0f,
+                    0f);
+
+                Type geometryType = RequireRuntimeType(
+                    "AibisDream.MiniGame.Language.ExpressionParticleGeometry");
+                MethodInfo connection = geometryType.GetMethod(
+                    "TryGetConnection",
+                    BindingFlags.Public | BindingFlags.Static);
+                object[] arguments =
+                {
+                    first,
+                    second,
+                    0.01f,
+                    0.18f,
+                    Vector3.zero,
+                    Vector3.zero,
+                    0f
+                };
+
+                Assert.That(connection, Is.Not.Null);
+                bool connected = (bool)connection.Invoke(null, arguments);
+                Assert.That(connected, Is.True);
+                Assert.That((float)arguments[6], Is.GreaterThan(0f));
+                Assert.That(
+                    Vector3.Distance(
+                        firstObject.transform.position,
+                        secondObject.transform.position),
+                    Is.GreaterThan(0.01f));
+            }
+            finally
+            {
+                UnityEngine.Object.Destroy(firstObject);
+                UnityEngine.Object.Destroy(secondObject);
+            }
+
+            yield return null;
+        }
+
+        private static Type RequireRuntimeType(string fullName)
+        {
+            Type type = Type.GetType($"{fullName}, {RuntimeAssemblyName}");
+            Assert.That(type, Is.Not.Null, fullName);
+            return type;
+        }
+
+        private static object Invoke(
+            object target,
+            string methodName,
+            params object[] arguments)
+        {
+            MethodInfo method = target.GetType().GetMethod(
+                methodName,
+                BindingFlags.Public | BindingFlags.Instance);
+            Assert.That(method, Is.Not.Null, methodName);
+            return method.Invoke(target, arguments);
+        }
+    }
+}
diff --git a/Assets/Tests/Huoshan/PlayMode/ExpressionParticlePlayModeTests.cs.meta b/Assets/Tests/Huoshan/PlayMode/ExpressionParticlePlayModeTests.cs.meta
new file mode 100644
index 000000000..9a2576074
--- /dev/null
+++ b/Assets/Tests/Huoshan/PlayMode/ExpressionParticlePlayModeTests.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 26043594097949158ba1572f70c94f78
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Docs/HuoShan/HuoshanStage6LocalizationPlan.md b/Docs/HuoShan/HuoshanStage6LocalizationPlan.md
index 1c3dbef77..7d5fb8f9e 100644
--- a/Docs/HuoShan/HuoshanStage6LocalizationPlan.md
+++ b/Docs/HuoShan/HuoshanStage6LocalizationPlan.md
@@ -60,7 +60,7 @@ Express 使用短前缀 `hs.exp.*`：
 重复演出复用同一 Key，但 Yarn 中仍保留原有调用次数、等待、数值、顺序和
 `#line:` 标签。
 
-## token 与 Unicode
+## token 与粒子单位
 
 干扰 token 只接受半角 `|`：
 
@@ -69,15 +69,28 @@ Express 使用短前缀 `hs.exp.*`：
 - 全空时中止轮次；
 - 全角 `｜` 是数据错误。
 
-正式目标句和释放演出文字按 `StringInfo` 的 Unicode 文本元素处理。汉字、
-假名、拉丁字母、组合字符、代理字符和标点均保持完整；空白不生成粒子，但
-最终排列保留词间距。目标粒子数量、最终排列、攻击词长度校验和 truth leak
-匹配使用同一套文本元素结果。
+`ExpressionParticleLanguageProfile` 决定当前 Locale 的粒子单位：
 
-随机字符池同样按 Unicode 文本元素处理。`hs.exp.pool` 是连续文本，不使用
-`|` 或全角 `｜`，空白被忽略，重复元素保留为随机权重。目标粒子从该池取字，
-非目标和背景浮动粒子继续从本轮 token 展开的干扰池取字；临时老虎机池结束
-后按粒子角色恢复。旧的 `chineseChars` 与 `chineseWords` 运行时常量均已删除。
+- `zh-Hans`、`ja-JP` 使用 `Grapheme`，通过 `StringInfo` 按 Unicode 文本元素
+  切分；空白不生成粒子，但最终排列保留间距；
+- `en`、`es`、`ru`、`pt-BR` 使用 `Word`，按 Unicode 空白切分并折叠连续
+  空白；撇号、连字符和标点留在词内；
+- Locale 先完整匹配，再按语言前缀匹配；未知 Locale 警告一次并回退
+  `Grapheme`。
+
+目标句、token、`hs.exp.pool` 在 Yarn 命令入口一次性解析为
+`ExpressionRoundTextSnapshot`。目标粒子数量、最终排列、攻击词长度校验、
+truth leak 和老虎机覆盖池都使用同一份快照或同一 Unit Mode，不会在 Manager
+内再次按字母拆分。切换全局 Locale 不会改变进行中的轮次快照。
+
+`hs.exp.pool` 仍禁止 `|` 和全角 `｜`。Grapheme 模式使用连续文本，Word 模式
+使用空白分隔单词；两种模式都保留重复项作为随机权重。目标粒子从该池取单位，
+非目标和背景浮动粒子从本轮 token 展开的干扰池取单位；临时老虎机池结束后按
+粒子角色恢复。
+
+Word Profile 还会缩小三类字号、降低非目标粒子数量，并启用宽度感知排版、
+字形边缘连接、Bounds 分离、屏幕边界和鼠标命中。全屏 Actor 故障/老虎机演出
+仍保持原来的字符级视觉。
 
 ## 内容校验
 
@@ -85,12 +98,15 @@ Express 使用短前缀 `hs.exp.*`：
 
 - Stage6 正式 Express 文字参数不得残留中文硬编码；
 - Yarn 和 Catalog 中引用的 `l10n.*` Key 必须存在于 `Params` Shared Data；
+- Profile Locale Code 必须唯一，所有支持 Locale 必须可解析；
 - 中文值必须非空；
 - 未翻译 Locale 的空值只报告待翻译，不导致校验失败；
-- `.tokens` 至少包含一个有效项，且不能使用全角 `｜`；
+- 每个非空 Locale 的目标文字和 `.tokens` 必须按该 Locale 模式得到有效单位，
+  `.tokens` 不能使用全角 `｜`；
 - `hs.exp.pool` 必须存在于所有 Params Locale 表；中文非空，非空译文不得
-  包含 `|`、`｜` 或只有空白；
+  包含 `|`、`｜` 或只有空白，并按 Locale 模式验证；
 - completion node、preset、memory key、颜色、Timeline 等结构参数不误报。
 
-运行时和 EditMode 测试同时覆盖原始字符串、空值不回退、缺 Key 占位、
-显式 Locale、轮次配置、token 解析和 Unicode 文本元素行为。
+EditMode 与 PlayMode 测试覆盖原始字符串、空值不回退、缺 Key 占位、显式
+Locale、轮次配置、Locale/Profile 解析、Word/Grapheme 切分、快照、粒子
+数量倍率，以及真实粒子组件的 Bounds 命中和字形边缘连接行为。