diff --git a/requirements.txt b/requirements.txt
index b85c98d..95204cc 100644
Binary files a/requirements.txt and b/requirements.txt differ
diff --git a/src/Main.py b/src/Main.py
index c9e50ca..cf35f22 100644
--- a/src/Main.py
+++ b/src/Main.py
@@ -24,7 +24,6 @@ def main():
     translator = QTranslator()
     if translator.load(":/res/translators/qtbase_zh_CN.ts"):
         app.installTranslator(translator)
-    app.setStyle("Fusion")
     app.setApplicationName("AutoLibrary")
     if not initializeApp():
         sys.exit(-1)
diff --git a/src/boot/AppInitializer.py b/src/boot/AppInitializer.py
index 4512368..4c0440e 100644
--- a/src/boot/AppInitializer.py
+++ b/src/boot/AppInitializer.py
@@ -10,10 +10,13 @@ See the LICENSE file for details.
 import os
 
 from PySide6.QtCore import QStandardPaths, QDir
+from PySide6.QtWidgets import QApplication
 
-from managers.log.LogManager import instance as logInstance
+from gui.ALSettingsWidget import _applyTheme
+from interfaces.ConfigProvider import CfgKey
 from managers.config.ConfigManager import instance as configInstance
 from managers.driver.WebDriverManager import instance as webdriverInstance
+from managers.log.LogManager import instance as logInstance
 
 
 def _initializeLogManager(
@@ -64,13 +67,25 @@ def _initializeWebDriverManager(
     webdriverInstance(driver_dir)
     return True
 
+def _initializeAppearance(
+):
+
+    app = QApplication.instance()
+    if not app:
+        return
+    cfg = configInstance()
+    saved_style = cfg.get(CfgKey.GLOBAL.APPEARANCE.STYLE, "Fusion")
+    saved_theme = cfg.get(CfgKey.GLOBAL.APPEARANCE.THEME, "system")
+    app.setStyle(saved_style)
+    _applyTheme(saved_theme)
+
 def initializeApp(
 ) -> bool:
     """
         Initialize the application components
 
         Order:
-            LogManager -> ConfigManager -> WebDriverManager
+            LogManager -> ConfigManager -> WebDriverManager -> Appearance
     """
 
     if not _initializeLogManager():
@@ -79,4 +94,5 @@ def initializeApp(
         return False
     if not _initializeWebDriverManager():
         return False
+    _initializeAppearance()
     return True
diff --git a/src/gui/ALAutoScriptEditDialog.py b/src/gui/ALAutoScriptEditDialog.py
index 750686b..a501de0 100644
--- a/src/gui/ALAutoScriptEditDialog.py
+++ b/src/gui/ALAutoScriptEditDialog.py
@@ -9,6 +9,8 @@ See the LICENSE file for details.
 """
 from copy import deepcopy
 
+import qtawesome as qta
+
 from PySide6.QtCore import (
     QDate,
     QSize,
@@ -20,7 +22,6 @@ from PySide6.QtCore import (
 from PySide6.QtGui import (
     QColor,
     QFont,
-    QIcon,
     QSyntaxHighlighter,
     QTextCharFormat,
 )
@@ -215,8 +216,8 @@ class ALAutoScriptEditDialog(QDialog):
         self.ZoomOutBtn = QPushButton("－")
         self.ZoomOutBtn.setFixedSize(25, 25)
         self.ZoomResetBtn = QPushButton("")
-        self.ZoomResetBtn.setIcon(QIcon(":/res/icons/Reset.svg"))
-        self.ZoomResetBtn.setIconSize(QSize(20, 20))
+        self.ZoomResetBtn.setIcon(qta.icon("fa5s.undo", color=self._iconColor()))
+        self.ZoomResetBtn.setIconSize(QSize(14, 14))
         self.ZoomResetBtn.setFixedSize(25, 25)
         self.ZoomResetBtn.setToolTip("重置缩放")
         self.ZoomLabel = QLabel(f"{self._fontSize}px")
@@ -240,8 +241,8 @@ class ALAutoScriptEditDialog(QDialog):
         ToolbarLayout.addWidget(self.ZoomLabel)
         ToolbarLayout.addStretch()
         self.CopyBtn = QPushButton("")
-        self.CopyBtn.setIcon(QIcon(":/res/icons/Copy.svg"))
-        self.CopyBtn.setIconSize(QSize(20, 20))
+        self.CopyBtn.setIcon(qta.icon("fa5s.copy", color=self._iconColor()))
+        self.CopyBtn.setIconSize(QSize(14, 14))
         self.CopyBtn.setFixedSize(25, 25)
         self.CopyBtn.setToolTip("复制脚本")
         ToolbarLayout.addWidget(self.CopyBtn)
@@ -537,6 +538,14 @@ class ALAutoScriptEditDialog(QDialog):
         else:
             widget.setText(str(value))
 
+    def _iconColor(
+        self
+    ) -> str:
+
+        return QApplication.instance().palette().color(
+            QApplication.instance().palette().ColorRole.WindowText
+        ).name()
+
     def connectSignals(
         self
     ):
diff --git a/src/gui/ALMainWindow.py b/src/gui/ALMainWindow.py
index 82a944f..5d805c6 100644
--- a/src/gui/ALMainWindow.py
+++ b/src/gui/ALMainWindow.py
@@ -33,6 +33,7 @@ from PySide6.QtWidgets import (
 from base.MsgBase import MsgBase
 from gui.ALAboutDialog import ALAboutDialog
 from gui.ALConfigWidget import ALConfigWidget
+from gui.ALSettingsWidget import ALSettingsWidget
 from gui.ALMainWorkers import (
     AutoLibWorker,
     TimerTaskWorker
@@ -60,6 +61,7 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         self.__config_paths = ConfigUtils.getAutomationConfigPaths()
         self.__alTimerTaskManageWidget = None
         self.__alConfigWidget = None
+        self.__alSettingsWidget = None
         self.__auto_lib_thread = None
         self.__current_timer_task_thread = None
         self.__is_running_timer_task = False
@@ -81,6 +83,7 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         self.MessageIOTextEdit.setFont(QFont("Courier New", 10))
         self.ManualAction.triggered.connect(self.onManualActionTriggered)
         self.AboutAction.triggered.connect(self.onAboutActionTriggered)
+        self.SettingsAction.triggered.connect(self.onSettingsActionTriggered)
 
         # initialize timer task widget, but not show it
         try:
@@ -125,7 +128,6 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
             return
         self.TrayIcon = QSystemTrayIcon(self.Icon, self)
         self.TrayIcon.setToolTip("AutoLibrary")
-
         self.TrayMenu = QMenu()
         self.TrayMenu.addAction("显示主窗口", self.showNormal)
         self.TrayMenu.addAction("显示定时窗口", self.onTimerTaskManageWidgetButtonClicked)
@@ -190,6 +192,9 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         if self.__alConfigWidget:
             self.__alConfigWidget.close()
             # the config widget is already deleted in the 'self.onConfigWidgetClosed'
+        if self.__alSettingsWidget:
+            self.__alSettingsWidget.close()
+            # the settings widget is already deleted in the 'self.onSettingsWidgetClosed'
         self._showLog("主窗口关闭")
         QMainWindow.closeEvent(self, event)
 
@@ -302,6 +307,31 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         self.setControlButtons(True, None, None)
         self._showLog("配置窗口已关闭,配置文件路径已更新")
 
+    @Slot()
+    def onSettingsWidgetClosed(
+        self
+    ):
+
+        if self.__alSettingsWidget:
+            self.__alSettingsWidget.settingsWidgetIsClosed.disconnect(self.onSettingsWidgetClosed)
+            self.__alSettingsWidget.deleteLater()
+            self.__alSettingsWidget = None
+        self.SettingsAction.setEnabled(True)
+
+    @Slot()
+    def onSettingsActionTriggered(
+        self
+    ):
+
+        if self.__alSettingsWidget is None:
+            self.__alSettingsWidget = ALSettingsWidget(self)
+            self.__alSettingsWidget.settingsWidgetIsClosed.connect(self.onSettingsWidgetClosed)
+        self.__alSettingsWidget.show()
+        self.__alSettingsWidget.raise_()
+        self.__alSettingsWidget.activateWindow()
+        self.SettingsAction.setEnabled(False)
+        self._showLog("打开全局设置窗口")
+
     @Slot(dict)
     def onTimerTaskIsReady(
         self,
diff --git a/src/gui/ALSettingsWidget.py b/src/gui/ALSettingsWidget.py
new file mode 100644
index 0000000..1fe44fb
--- /dev/null
+++ b/src/gui/ALSettingsWidget.py
@@ -0,0 +1,340 @@
+# -*- coding: utf-8 -*-
+"""
+Copyright (c) 2026 KenanZhu.
+All rights reserved.
+
+This software is provided "as is", without any warranty of any kind.
+You may use, modify, and distribute this file under the terms of the MIT License.
+See the LICENSE file for details.
+"""
+import os
+import sys
+
+import qtawesome as qta
+
+from PySide6.QtCore import (
+    QProcess,
+    Qt,
+    Signal,
+    Slot
+)
+from PySide6.QtGui import (
+    QCloseEvent,
+    QShowEvent
+)
+from PySide6.QtWidgets import (
+    QApplication,
+    QFileDialog,
+    QMessageBox,
+    QStyle,
+    QStyleFactory,
+    QWidget
+)
+
+import managers.config.ConfigManager as ConfigManager
+
+from gui.resources.ui.Ui_ALSettingsWidget import Ui_ALSettingsWidget
+from interfaces.ConfigProvider import (
+    CfgKey,
+    ConfigProvider
+)
+
+
+def _clearQss(
+):
+
+    app : QApplication | None = QApplication.instance()
+    if app:
+        app.setStyleSheet("")
+
+def _loadQss(
+    file_path: str
+) -> str:
+
+    if not file_path or not os.path.isfile(file_path):
+        return ""
+    try:
+        with open(file_path, "r", encoding="utf-8") as fh:
+            return fh.read()
+    except Exception:
+        return ""
+
+def _applyQss(
+    file_path: str
+):
+
+    app : QApplication | None = QApplication.instance()
+    if not app:
+        return
+    qss = _loadQss(file_path)
+    if qss:
+        app.setStyleSheet(qss)
+    else:
+        _clearQss()
+
+def _applyTheme(
+    theme: str
+):
+
+    app : QApplication | None = QApplication.instance()
+    if not app:
+        return
+    if theme == "dark":
+        app.styleHints().setColorScheme(Qt.ColorScheme.Dark)
+    elif theme == "light":
+        app.styleHints().setColorScheme(Qt.ColorScheme.Light)
+    else:
+        app.styleHints().setColorScheme(Qt.ColorScheme.Unknown)
+    app.setStyle(QStyleFactory.create(app.style().objectName()))
+
+def _restartApp(
+):
+
+    QApplication.instance().quit()
+    QProcess.startDetached(sys.executable, sys.argv)
+
+
+class ALSettingsWidget(QWidget, Ui_ALSettingsWidget):
+
+    settingsWidgetIsClosed = Signal()
+
+    def __init__(
+        self,
+        parent=None
+    ):
+        super().__init__(parent)
+        self.__cfg_mgr: ConfigProvider = ConfigManager.instance()
+        self.__original_style: QStyle | None = None
+
+        self.setupUi(self)
+        self.modifyUi()
+        self.connectSignals()
+        self.loadSettings()
+
+    def modifyUi(
+        self
+    ):
+
+        self.setWindowFlags(Qt.WindowType.Window)
+        self.NavigationList.setCurrentRow(0)
+        self.populateStyles()
+        self.setNavigationIcons()
+
+    def setNavigationIcons(
+        self
+    ):
+
+        app : QApplication | None = QApplication.instance()
+        color = app.palette().color(app.palette().ColorRole.WindowText).name()
+        item = self.NavigationList.item(0)
+        if item:
+            item.setIcon(qta.icon("fa5s.palette", color=color))
+
+    def populateStyles(
+        self
+    ):
+
+        self.StyleComboBox.clear()
+        self.StyleComboBox.addItems(QStyleFactory.keys())
+
+    def connectSignals(
+        self
+    ):
+
+        self.BrowseQssButton.clicked.connect(self.onBrowseQssButtonClicked)
+        self.ApplyQssButton.clicked.connect(self.onApplyQssButtonClicked)
+        self.ResetQssButton.clicked.connect(self.onResetQssButtonClicked)
+        self.CancelButton.clicked.connect(self.onCancelButtonClicked)
+        self.ApplyButton.clicked.connect(self.onApplyButtonClicked)
+        self.ConfirmButton.clicked.connect(self.onConfirmButtonClicked)
+
+    def showEvent(
+        self,
+        event: QShowEvent
+    ):
+
+        result = super().showEvent(event)
+        screen_rect = self.screen().geometry()
+        target_pos = self.parent().geometry().center()
+        target_pos.setX(target_pos.x() - self.width()//2)
+        target_pos.setY(target_pos.y() - self.height()//2)
+        if target_pos.x() < 0:
+            target_pos.setX(0)
+        if target_pos.x() + self.width() > screen_rect.width():
+            target_pos.setX(screen_rect.width() - self.width())
+        if target_pos.y() < 0:
+            target_pos.setY(0)
+        if target_pos.y() + self.height() > screen_rect.height():
+            target_pos.setY(screen_rect.height() - self.height())
+        self.move(target_pos)
+        return result
+
+    def closeEvent(
+        self,
+        event: QCloseEvent
+    ):
+
+        self.settingsWidgetIsClosed.emit()
+        super().closeEvent(event)
+
+    def loadSettings(
+        self
+    ):
+
+        theme = self.__cfg_mgr.get(CfgKey.GLOBAL.APPEARANCE.THEME, "system")
+        style = self.__cfg_mgr.get(CfgKey.GLOBAL.APPEARANCE.STYLE, "Fusion")
+        custom_qss = self.__cfg_mgr.get(CfgKey.GLOBAL.APPEARANCE.CUSTOM_QSS, "")
+        self.__original_style = QApplication.instance().style()
+        if theme == "light":
+            self.LightThemeRadio.setChecked(True)
+        elif theme == "dark":
+            self.DarkThemeRadio.setChecked(True)
+        else:
+            self.SystemThemeRadio.setChecked(True)
+        index = self.StyleComboBox.findText(style)
+        if index >= 0:
+            self.StyleComboBox.setCurrentIndex(index)
+        else:
+            self.StyleComboBox.setCurrentIndex(0)
+        self.QssPathEdit.setText(custom_qss)
+        self.updateQssStatus(custom_qss)
+
+    def updateQssStatus(
+        self,
+        qss_path: str
+    ):
+
+        if qss_path and os.path.isfile(qss_path):
+            self.QssStatusLabel.setText(f"已加载自定义样式文件：{qss_path}")
+        else:
+            self.QssStatusLabel.setText("当前使用程序默认外观。")
+
+    def collectSettings(
+        self
+    ):
+
+        if self.LightThemeRadio.isChecked():
+            theme = "light"
+        elif self.DarkThemeRadio.isChecked():
+            theme = "dark"
+        else:
+            theme = "system"
+        style = QStyleFactory.create(self.StyleComboBox.currentText())
+        custom_qss = self.QssPathEdit.text().strip()
+        return theme, style, custom_qss
+
+    def saveAndApply(
+        self
+    ):
+
+        theme, style, custom_qss = self.collectSettings()
+        self.__cfg_mgr.set(CfgKey.GLOBAL.APPEARANCE.THEME, theme)
+        self.__cfg_mgr.set(CfgKey.GLOBAL.APPEARANCE.STYLE, style.name())
+        self.__cfg_mgr.set(CfgKey.GLOBAL.APPEARANCE.CUSTOM_QSS, custom_qss)
+        if custom_qss and os.path.isfile(custom_qss):
+            _applyQss(custom_qss)
+        else:
+            _clearQss()
+        _applyTheme(theme)
+        self.setNavigationIcons()
+        self.updateQssStatus(custom_qss)
+        self.__original_style = QApplication.instance().style()
+
+    def maybeRestart(
+        self
+    ) -> bool:
+
+        reply = QMessageBox.question(
+            self,
+            "提示 - AutoLibrary",
+            "界面风格已修改，需要重启程序才能生效。是否立即重启？",
+            QMessageBox.Yes | QMessageBox.No,
+            QMessageBox.Yes
+        )
+        if reply == QMessageBox.Yes:
+            _restartApp()
+            return True
+        return False
+
+    @Slot()
+    def onBrowseQssButtonClicked(
+        self
+    ):
+
+        file_path, _ = QFileDialog.getOpenFileName(
+            self,
+            "选择 QSS 样式文件 - AutoLibrary",
+            self.QssPathEdit.text(),
+            "QSS 样式表文件 (*.qss);;所有文件 (*)"
+        )
+        if file_path:
+            self.QssPathEdit.setText(file_path)
+
+    @Slot()
+    def onApplyQssButtonClicked(
+        self
+    ):
+
+        qss_path = self.QssPathEdit.text().strip()
+        if not qss_path:
+            QMessageBox.warning(
+                self,
+                "提示 - AutoLibrary",
+                "请先选择或输入 QSS 样式表文件路径。"
+            )
+            return
+        if not os.path.isfile(qss_path):
+            QMessageBox.warning(
+                self,
+                "警告 - AutoLibrary",
+                f"未找到指定的样式文件：\n{qss_path}"
+            )
+            return
+        _applyQss(qss_path)
+        self.updateQssStatus(qss_path)
+
+    @Slot()
+    def onResetQssButtonClicked(
+        self
+    ):
+
+        self.QssPathEdit.clear()
+        _clearQss()
+        if self.LightThemeRadio.isChecked():
+            _applyTheme("light")
+        elif self.DarkThemeRadio.isChecked():
+            _applyTheme("dark")
+        else:
+            _applyTheme("system")
+        self.setNavigationIcons()
+        self.updateQssStatus("")
+
+    @Slot()
+    def onCancelButtonClicked(
+        self
+    ):
+
+        self.close()
+
+    @Slot()
+    def onApplyButtonClicked(
+        self
+    ):
+
+        _, style, _ = self.collectSettings()
+        style_changed = self.__original_style.name() != style.name()
+        self.saveAndApply()
+        if style_changed:
+            self.maybeRestart()
+
+    @Slot()
+    def onConfirmButtonClicked(
+        self
+    ):
+
+        _, style, _ = self.collectSettings()
+        style_changed = self.__original_style.name() != style.name()
+        self.saveAndApply()
+        if style_changed:
+            self.maybeRestart()
+        self.close()
diff --git a/src/gui/resources/ui/ALMainWindow.ui b/src/gui/resources/ui/ALMainWindow.ui
index c210a8b..84aa38c 100644
--- a/src/gui/resources/ui/ALMainWindow.ui
+++ b/src/gui/resources/ui/ALMainWindow.ui
@@ -281,6 +281,12 @@ font: 700 9pt;</string>
    <property name="nativeMenuBar">
     <bool>true</bool>
    </property>
+   <widget class="QMenu" name="ToolsMenu">
+    <property name="title">
+     <string>工具</string>
+    </property>
+    <addaction name="SettingsAction"/>
+   </widget>
    <widget class="QMenu" name="HelpMenu">
     <property name="mouseTracking">
      <bool>true</bool>
@@ -291,6 +297,7 @@ font: 700 9pt;</string>
     <addaction name="ManualAction"/>
     <addaction name="AboutAction"/>
    </widget>
+   <addaction name="ToolsMenu"/>
    <addaction name="HelpMenu"/>
   </widget>
   <widget class="QStatusBar" name="StatusBar">
@@ -308,6 +315,11 @@ font: 700 9pt;</string>
     <string>关于</string>
    </property>
   </action>
+  <action name="SettingsAction">
+   <property name="text">
+    <string>全局设置</string>
+   </property>
+  </action>
  </widget>
  <resources/>
  <connections/>
diff --git a/src/gui/resources/ui/ALSettingsWidget.ui b/src/gui/resources/ui/ALSettingsWidget.ui
new file mode 100644
index 0000000..7db0631
--- /dev/null
+++ b/src/gui/resources/ui/ALSettingsWidget.ui
@@ -0,0 +1,480 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ALSettingsWidget</class>
+ <widget class="QWidget" name="ALSettingsWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>420</height>
+   </rect>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>400</width>
+    <height>420</height>
+   </size>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>500</width>
+    <height>420</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>全局设置 - AutoLibrary</string>
+  </property>
+  <layout class="QVBoxLayout" name="ALSettingsWidgetLayout">
+   <property name="spacing">
+    <number>0</number>
+   </property>
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item>
+    <layout class="QHBoxLayout" name="ContentLayout">
+     <property name="spacing">
+      <number>5</number>
+     </property>
+     <property name="leftMargin">
+      <number>3</number>
+     </property>
+     <property name="topMargin">
+      <number>3</number>
+     </property>
+     <property name="rightMargin">
+      <number>3</number>
+     </property>
+     <property name="bottomMargin">
+      <number>3</number>
+     </property>
+     <item>
+      <widget class="QListWidget" name="NavigationList">
+       <property name="minimumSize">
+        <size>
+         <width>100</width>
+         <height>0</height>
+        </size>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>100</width>
+         <height>16777215</height>
+        </size>
+       </property>
+       <property name="focusPolicy">
+        <enum>Qt::FocusPolicy::StrongFocus</enum>
+       </property>
+       <property name="frameShape">
+        <enum>QFrame::Shape::NoFrame</enum>
+       </property>
+       <property name="editTriggers">
+        <set>QAbstractItemView::EditTrigger::NoEditTriggers</set>
+       </property>
+       <property name="selectionMode">
+        <enum>QAbstractItemView::SelectionMode::SingleSelection</enum>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>20</width>
+         <height>20</height>
+        </size>
+       </property>
+       <property name="currentRow">
+        <number>0</number>
+       </property>
+       <item>
+        <property name="text">
+         <string>外观</string>
+        </property>
+        <property name="icon">
+         <iconset theme="preferences-desktop-color"/>
+        </property>
+       </item>
+      </widget>
+     </item>
+     <item>
+      <layout class="QVBoxLayout" name="AppearancePageLayout">
+       <property name="spacing">
+        <number>5</number>
+       </property>
+       <property name="leftMargin">
+        <number>3</number>
+       </property>
+       <property name="topMargin">
+        <number>3</number>
+       </property>
+       <property name="rightMargin">
+        <number>3</number>
+       </property>
+       <property name="bottomMargin">
+        <number>3</number>
+       </property>
+       <item>
+        <widget class="QGroupBox" name="AppearanceGroupBox">
+         <property name="title">
+          <string>主题模式</string>
+         </property>
+         <layout class="QVBoxLayout" name="AppearanceGroupBoxLayout">
+          <property name="spacing">
+           <number>5</number>
+          </property>
+          <property name="leftMargin">
+           <number>3</number>
+          </property>
+          <property name="topMargin">
+           <number>3</number>
+          </property>
+          <property name="rightMargin">
+           <number>3</number>
+          </property>
+          <property name="bottomMargin">
+           <number>3</number>
+          </property>
+          <item>
+           <widget class="QRadioButton" name="LightThemeRadio">
+            <property name="text">
+             <string>浅色</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QRadioButton" name="DarkThemeRadio">
+            <property name="text">
+             <string>深色</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QRadioButton" name="SystemThemeRadio">
+            <property name="text">
+             <string>跟随系统</string>
+            </property>
+            <property name="checked">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
+       <item>
+        <widget class="QGroupBox" name="InterfaceGroupBox">
+         <property name="title">
+          <string>界面风格</string>
+         </property>
+         <layout class="QVBoxLayout" name="InterfaceGroupBoxLayout">
+          <property name="spacing">
+           <number>5</number>
+          </property>
+          <property name="leftMargin">
+           <number>3</number>
+          </property>
+          <property name="topMargin">
+           <number>3</number>
+          </property>
+          <property name="rightMargin">
+           <number>3</number>
+          </property>
+          <property name="bottomMargin">
+           <number>3</number>
+          </property>
+          <item>
+           <layout class="QHBoxLayout" name="StyleSelectLayout">
+            <property name="spacing">
+             <number>5</number>
+            </property>
+            <item>
+             <widget class="QLabel" name="StyleSelectLabel">
+              <property name="minimumSize">
+               <size>
+                <width>100</width>
+                <height>25</height>
+               </size>
+              </property>
+              <property name="maximumSize">
+               <size>
+                <width>100</width>
+                <height>25</height>
+               </size>
+              </property>
+              <property name="text">
+               <string>应用程序样式：</string>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <widget class="QComboBox" name="StyleComboBox">
+              <property name="minimumSize">
+               <size>
+                <width>160</width>
+                <height>25</height>
+               </size>
+              </property>
+             </widget>
+            </item>
+           </layout>
+          </item>
+          <item>
+           <widget class="QLabel" name="StyleHintLabel">
+            <property name="text">
+             <string>更改样式将在下次启动应用程序时生效。</string>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
+       <item>
+        <widget class="QGroupBox" name="CustomQssGroupBox">
+         <property name="title">
+          <string>自定义外观</string>
+         </property>
+         <layout class="QVBoxLayout" name="CustomQssGroupBoxLayout">
+          <property name="spacing">
+           <number>5</number>
+          </property>
+          <property name="leftMargin">
+           <number>3</number>
+          </property>
+          <property name="topMargin">
+           <number>3</number>
+          </property>
+          <property name="rightMargin">
+           <number>3</number>
+          </property>
+          <property name="bottomMargin">
+           <number>3</number>
+          </property>
+          <item>
+           <widget class="QLabel" name="CustomQssHintLabel">
+            <property name="text">
+             <string>自定义程序外观，文件加载后将立即生效。</string>
+            </property>
+            <property name="wordWrap">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <layout class="QHBoxLayout" name="QssPathLayout">
+            <property name="spacing">
+             <number>5</number>
+            </property>
+            <item>
+             <widget class="QLineEdit" name="QssPathEdit">
+              <property name="minimumSize">
+               <size>
+                <width>0</width>
+                <height>25</height>
+               </size>
+              </property>
+              <property name="placeholderText">
+               <string>选择或输入 QSS 样式表文件路径...</string>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <widget class="QPushButton" name="BrowseQssButton">
+              <property name="minimumSize">
+               <size>
+                <width>25</width>
+                <height>25</height>
+               </size>
+              </property>
+              <property name="maximumSize">
+               <size>
+                <width>25</width>
+                <height>25</height>
+               </size>
+              </property>
+              <property name="text">
+               <string>...</string>
+              </property>
+             </widget>
+            </item>
+           </layout>
+          </item>
+          <item>
+           <layout class="QHBoxLayout" name="QssActionLayout">
+            <property name="spacing">
+             <number>5</number>
+            </property>
+            <item>
+             <widget class="QPushButton" name="ApplyQssButton">
+              <property name="minimumSize">
+               <size>
+                <width>80</width>
+                <height>25</height>
+               </size>
+              </property>
+              <property name="text">
+               <string>应用样式</string>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <widget class="QPushButton" name="ResetQssButton">
+              <property name="minimumSize">
+               <size>
+                <width>80</width>
+                <height>25</height>
+               </size>
+              </property>
+              <property name="text">
+               <string>重置外观</string>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <spacer name="QssActionSpacer">
+              <property name="orientation">
+               <enum>Qt::Orientation::Horizontal</enum>
+              </property>
+              <property name="sizeHint" stdset="0">
+               <size>
+                <width>40</width>
+                <height>20</height>
+               </size>
+              </property>
+             </spacer>
+            </item>
+           </layout>
+          </item>
+          <item>
+           <widget class="QLabel" name="QssStatusLabel">
+            <property name="text">
+             <string>当前使用程序默认外观。</string>
+            </property>
+            <property name="wordWrap">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
+       <item>
+        <spacer name="AppearancePageSpacer">
+         <property name="orientation">
+          <enum>Qt::Orientation::Vertical</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>40</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+      </layout>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="ButtonLayout">
+     <property name="spacing">
+      <number>5</number>
+     </property>
+     <property name="leftMargin">
+      <number>3</number>
+     </property>
+     <property name="topMargin">
+      <number>3</number>
+     </property>
+     <property name="rightMargin">
+      <number>3</number>
+     </property>
+     <property name="bottomMargin">
+      <number>3</number>
+     </property>
+     <item>
+      <spacer name="ButtonLeftSpacer">
+       <property name="orientation">
+        <enum>Qt::Orientation::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="CancelButton">
+       <property name="minimumSize">
+        <size>
+         <width>80</width>
+         <height>25</height>
+        </size>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>80</width>
+         <height>25</height>
+        </size>
+       </property>
+       <property name="text">
+        <string>取消</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="ApplyButton">
+       <property name="minimumSize">
+        <size>
+         <width>80</width>
+         <height>25</height>
+        </size>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>80</width>
+         <height>25</height>
+        </size>
+       </property>
+       <property name="text">
+        <string>应用</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="ConfirmButton">
+       <property name="minimumSize">
+        <size>
+         <width>80</width>
+         <height>25</height>
+        </size>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>80</width>
+         <height>25</height>
+        </size>
+       </property>
+       <property name="text">
+        <string>确认</string>
+       </property>
+       <property name="default">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/src/interfaces/ConfigProvider.py b/src/interfaces/ConfigProvider.py
index 9ee5bb4..51e0d2a 100644
--- a/src/interfaces/ConfigProvider.py
+++ b/src/interfaces/ConfigProvider.py
@@ -66,6 +66,12 @@ class CfgKey:
                 CURRENT = ConfigPath(ConfigType.GLOBAL, "automation.user_path.current")
                 PATHS = ConfigPath(ConfigType.GLOBAL, "automation.user_path.paths")
 
+        class APPEARANCE:
+            ROOT = ConfigPath(ConfigType.GLOBAL, "appearance")
+            THEME = ConfigPath(ConfigType.GLOBAL, "appearance.theme")
+            STYLE = ConfigPath(ConfigType.GLOBAL, "appearance.style")
+            CUSTOM_QSS = ConfigPath(ConfigType.GLOBAL, "appearance.custom_qss")
+
     class TIMERTASK:
         ROOT = ConfigPath(ConfigType.TIMERTASK, "")
         TIMER_TASKS = ConfigPath(ConfigType.TIMERTASK, "timer_tasks")
diff --git a/src/managers/config/ConfigManager.py b/src/managers/config/ConfigManager.py
index 4f89eb4..58f0787 100644
--- a/src/managers/config/ConfigManager.py
+++ b/src/managers/config/ConfigManager.py
@@ -54,6 +54,11 @@ class ConfigTemplate:
                             "current": 0,
                             "paths": []
                         }
+                    },
+                    "appearance": {
+                        "theme": "system",
+                        "style": "Fusion",
+                        "custom_qss": ""
                     }
                 }
             case ConfigType.BULLETIN: