diff --git a/src/ui/word_style_ui.py b/src/ui/word_style_ui.py
index fa3bdc4..a29a043 100644
--- a/src/ui/word_style_ui.py
+++ b/src/ui/word_style_ui.py
@@ -302,6 +302,32 @@ class WordRibbon(QFrame):
             }}
         """)
         
+        # 更新天气组件样式
+        if hasattr(self, 'weather_icon_label') and self.weather_icon_label is not None:
+            self.weather_icon_label.setStyleSheet(f"""
+                QLabel {{ 
+                    font-size: 32px;
+                    padding: 0px;
+                    margin: 0px;
+                    border: none;
+                    background: transparent;
+                }}
+            """)
+        
+        if hasattr(self, 'weather_temp_label') and self.weather_temp_label is not None:
+            self.weather_temp_label.setStyleSheet(f"""
+                QLabel {{ 
+                    font-size: 16px;
+                    font-weight: bold;
+                    color: {colors['text']};
+                    padding: 0px;
+                    margin: 0px;
+                    border: none;
+                    background: transparent;
+                    min-height: 30px;
+                }}
+            """)
+        
         # 更新下拉框样式
         self.update_combo_styles(is_dark)
     
@@ -595,7 +621,7 @@ class WordRibbon(QFrame):
         if self.weather_group is not None:
             return self.weather_group
             
-        weather_group = self.create_ribbon_group("天气")
+        weather_group = self.create_ribbon_group("天气", is_special_group=True)
         weather_group.setFixedWidth(200)  # 增加整体宽度
         weather_layout = QVBoxLayout()
         weather_layout.setSpacing(8)  # 增加行间距
@@ -624,11 +650,11 @@ class WordRibbon(QFrame):
         # 温度标签 - 优化垂直居中对齐
         self.weather_temp_label = QLabel("--°C")
         self.weather_temp_label.setAlignment(Qt.AlignVCenter | Qt.AlignLeft)  # 使用Qt对齐方式
+        # 初始化时使用默认颜色，主题切换时会更新
         self.weather_temp_label.setStyleSheet("""
             QLabel { 
                 font-size: 16px;
                 font-weight: bold;
-                color: #333333;
                 padding: 0px;
                 margin: 0px;
                 border: none;
@@ -709,7 +735,7 @@ class WordRibbon(QFrame):
         if self.quote_group is not None:
             return self.quote_group
             
-        quote_group = self.create_ribbon_group("每日一言")
+        quote_group = self.create_ribbon_group("每日一言", is_special_group=True)
         quote_layout = QVBoxLayout()
         
         # 创建第一行：类型选择下拉框和刷新按钮
@@ -772,27 +798,76 @@ class WordRibbon(QFrame):
             self.quote_group = None
             self.quote_visible = False
     
-    def create_ribbon_group(self, title):
+    def create_ribbon_group(self, title, is_special_group=False):
         """创建功能区组"""
         group = QGroupBox(title)
-        group.setStyleSheet("""
-            QGroupBox {
-                font-size: 11px;
-                font-weight: normal;
-                color: #333333;
-                border: 1px solid #e1e1e1;
-                border-radius: 0px;
-                margin-top: 5px;
-                padding-top: 5px;
-            }
-            QGroupBox::title {
-                subcontrol-origin: margin;
-                left: 10px;
-                padding: 0 5px 0 5px;
-            }
-        """)
+        
+        # 为非特殊组设置最小宽度以确保标题完整显示
+        if not is_special_group:
+            # 根据标题长度计算合适的最小宽度
+            min_width = max(100, len(title) * 12 + 40)  # 基础宽度+每个字符约12px
+            group.setMinimumWidth(min_width)
+        
+        # 连接主题切换信号以动态更新样式
+        theme_manager.theme_changed.connect(lambda: self._update_group_style(group))
+        
+        # 立即应用当前主题样式
+        self._update_group_style(group)
+        
         return group
     
+    def _update_group_style(self, group):
+        """更新组样式以适配当前主题"""
+        is_dark = theme_manager.is_dark_theme()
+        colors = theme_manager.get_current_theme_colors()
+        
+        if is_dark:
+            group.setStyleSheet(f"""
+                QGroupBox {{
+                    font-size: 11px;
+                    font-weight: normal;
+                    color: {colors['text']};
+                    background-color: {colors['surface']};
+                    border: 1px solid {colors['border']};
+                    border-radius: 0px;
+                    margin-top: 5px;
+                    padding-top: 5px;
+                }}
+                QGroupBox::title {{
+                    subcontrol-origin: margin;
+                    left: 10px;
+                    padding: 0 5px 0 5px;
+                    color: {colors['text']};
+                    /* 确保标题不会被截断 */
+                    white-space: nowrap;
+                    text-overflow: clip;  /* 不显示省略号 */
+                    overflow: visible;     /* 允许内容溢出 */
+                }}
+            """)
+        else:
+            group.setStyleSheet(f"""
+                QGroupBox {{
+                    font-size: 11px;
+                    font-weight: normal;
+                    color: {colors['text']};
+                    background-color: {colors['surface']};
+                    border: 1px solid {colors['border']};
+                    border-radius: 0px;
+                    margin-top: 5px;
+                    padding-top: 5px;
+                }}
+                QGroupBox::title {{
+                    subcontrol-origin: margin;
+                    left: 10px;
+                    padding: 0 5px 0 5px;
+                    color: {colors['text']};
+                    /* 确保标题不会被截断 */
+                    white-space: nowrap;
+                    text-overflow: clip;  /* 不显示省略号 */
+                    overflow: visible;     /* 允许内容溢出 */
+                }}
+            """)
+    
     def on_refresh_weather(self):
         """刷新天气按钮点击处理"""
         pass
@@ -873,25 +948,57 @@ class WordRibbon(QFrame):
         btn.setText(text)
         btn.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
         btn.setFixedSize(60, 60)
-        btn.setStyleSheet("""
-            QToolButton {
-                border: 1px solid transparent;
-                border-radius: 3px;
-                background-color: transparent;
-                font-size: 11px;
-                color: #333333;
-            }
-            QToolButton:hover {
-                background-color: #f0f0f0;
-                border: 1px solid #d0d0d0;
-            }
-            QToolButton:pressed {
-                background-color: #e1e1e1;
-                border: 1px solid #c0c0c0;
-            }
-        """)
+        
+        # 连接主题切换信号以动态更新样式
+        theme_manager.theme_changed.connect(lambda: self._update_button_style(btn))
+        
+        # 立即应用当前主题样式
+        self._update_button_style(btn)
+        
         return btn
     
+    def _update_button_style(self, btn):
+        """更新按钮样式以适配当前主题"""
+        is_dark = theme_manager.is_dark_theme()
+        colors = theme_manager.get_current_theme_colors()
+        
+        if is_dark:
+            btn.setStyleSheet(f"""
+                QToolButton {{
+                    border: 1px solid transparent;
+                    border-radius: 3px;
+                    background-color: transparent;
+                    font-size: 11px;
+                    color: {colors['text']};
+                }}
+                QToolButton:hover {{
+                    background-color: {colors['surface_hover']};
+                    border: 1px solid {colors['border']};
+                }}
+                QToolButton:pressed {{
+                    background-color: #5a5a5c;
+                    border: 1px solid #6a6a6c;
+                }}
+            """)
+        else:
+            btn.setStyleSheet(f"""
+                QToolButton {{
+                    border: 1px solid transparent;
+                    border-radius: 3px;
+                    background-color: transparent;
+                    font-size: 11px;
+                    color: {colors['text']};
+                }}
+                QToolButton:hover {{
+                    background-color: #f0f0f0;
+                    border: 1px solid #d0d0d0;
+                }}
+                QToolButton:pressed {{
+                    background-color: #e1e1e1;
+                    border: 1px solid #c0c0c0;
+                }}
+            """)
+    
     def create_toggle_button(self, text, icon_name):
         """创建切换按钮 - 现代极简主义风格"""
         btn = QToolButton()
@@ -905,111 +1012,204 @@ class WordRibbon(QFrame):
             btn.setFixedSize(48, 28)  # 两个字符（如"居中"）
         else:
             btn.setFixedSize(64, 28)  # 三个字符及以上（如"左对齐"、"两端对齐"）
-        btn.setStyleSheet("""
-            QToolButton {
-                background-color: transparent;
-                border: 1px solid transparent;
-                border-radius: 8px;
-                padding: 6px 10px;
-                color: #4a5568;
-                font-size: 13px;
-                font-weight: 500;
-            }
-            QToolButton:hover {
-                background-color: #f7fafc;
-                border: 1px solid #e2e8f0;
-            }
-            QToolButton:pressed {
-                background-color: #edf2f7;
-                border: 1px solid #cbd5e0;
-            }
-            QToolButton:checked {
-                background-color: #ebf8ff;
-                border: 1px solid #bee3f8;
-                color: #3182ce;
-            }
-        """)
+        
+        # 连接主题切换信号以动态更新样式
+        theme_manager.theme_changed.connect(lambda: self._update_toggle_button_style(btn))
+        
+        # 立即应用当前主题样式
+        self._update_toggle_button_style(btn)
+        
         return btn
     
+    def _update_toggle_button_style(self, btn):
+        """更新切换按钮样式以适配当前主题"""
+        is_dark = theme_manager.is_dark_theme()
+        colors = theme_manager.get_current_theme_colors()
+        
+        if is_dark:
+            btn.setStyleSheet(f"""
+                QToolButton {{
+                    background-color: transparent;
+                    border: 1px solid transparent;
+                    border-radius: 8px;
+                    padding: 6px 10px;
+                    color: {colors['text']};
+                    font-size: 13px;
+                    font-weight: 500;
+                }}
+                QToolButton:hover {{
+                    background-color: {colors['surface_hover']};
+                    border: 1px solid {colors['border']};
+                }}
+                QToolButton:pressed {{
+                    background-color: #5a5a5c;
+                    border: 1px solid #6a6a6c;
+                }}
+                QToolButton:checked {{
+                    background-color: {colors['accent']};
+                    border: 1px solid {colors['accent']};
+                    color: {colors['surface']};
+                }}
+            """)
+        else:
+            btn.setStyleSheet(f"""
+                QToolButton {{
+                    background-color: transparent;
+                    border: 1px solid transparent;
+                    border-radius: 8px;
+                    padding: 6px 10px;
+                    color: #4a5568;
+                    font-size: 13px;
+                    font-weight: 500;
+                }}
+                QToolButton:hover {{
+                    background-color: #f7fafc;
+                    border: 1px solid #e2e8f0;
+                }}
+                QToolButton:pressed {{
+                    background-color: #edf2f7;
+                    border: 1px solid #cbd5e0;
+                }}
+                QToolButton:checked {{
+                    background-color: #ebf8ff;
+                    border: 1px solid #bee3f8;
+                    color: #3182ce;
+                }}
+            """)
+    
     def create_color_button(self, text, icon_name):
         """创建颜色选择按钮 - 现代极简主义风格"""
         btn = QToolButton()
         btn.setText(text)
         btn.setToolButtonStyle(Qt.ToolButtonTextOnly)
         btn.setFixedSize(32, 28)
-        btn.setStyleSheet("""
-            QToolButton {
-                background-color: transparent;
-                border: 1px solid transparent;
-                border-radius: 8px;
-                padding: 6px 10px;
-                color: #4a5568;
-                font-size: 13px;
-                font-weight: 500;
-            }
-            QToolButton:hover {
-                background-color: #f7fafc;
-                border: 1px solid #e2e8f0;
-            }
-            QToolButton:pressed {
-                background-color: #edf2f7;
-                border: 1px solid #cbd5e0;
-            }
-        """)
+        
+        # 连接主题切换信号以动态更新样式
+        theme_manager.theme_changed.connect(lambda: self._update_color_button_style(btn))
+        
+        # 立即应用当前主题样式
+        self._update_color_button_style(btn)
+        
         return btn
     
+    def _update_color_button_style(self, btn):
+        """更新颜色按钮样式以适配当前主题"""
+        is_dark = theme_manager.is_dark_theme()
+        colors = theme_manager.get_current_theme_colors()
+        
+        if is_dark:
+            btn.setStyleSheet(f"""
+                QToolButton {{
+                    background-color: transparent;
+                    border: 1px solid transparent;
+                    border-radius: 8px;
+                    padding: 6px 10px;
+                    color: {colors['text']};
+                    font-size: 13px;
+                    font-weight: 500;
+                }}
+                QToolButton:hover {{
+                    background-color: {colors['surface_hover']};
+                    border: 1px solid {colors['border']};
+                }}
+                QToolButton:pressed {{
+                    background-color: #5a5a5c;
+                    border: 1px solid #6a6a6c;
+                }}
+            """)
+        else:
+            btn.setStyleSheet(f"""
+                QToolButton {{
+                    background-color: transparent;
+                    border: 1px solid transparent;
+                    border-radius: 8px;
+                    padding: 6px 10px;
+                    color: #4a5568;
+                    font-size: 13px;
+                    font-weight: 500;
+                }}
+                QToolButton:hover {{
+                    background-color: #f7fafc;
+                    border: 1px solid #e2e8f0;
+                }}
+                QToolButton:pressed {{
+                    background-color: #edf2f7;
+                    border: 1px solid #cbd5e0;
+                }}
+            """)
+    
     def create_style_button(self, text):
         """创建样式按钮 - 现代极简主义风格"""
         btn = QPushButton(text)
         btn.setFixedSize(60, 28)
-        btn.setStyleSheet("""
-            QPushButton {
-                background-color: transparent;
-                border: 1px solid transparent;
-                border-radius: 8px;
-                padding: 6px 10px;
-                color: #4a5568;
-                font-size: 12px;
-                font-weight: 500;
-                text-align: center;
-            }
-            QPushButton:hover {
-                background-color: #f7fafc;
-                border: 1px solid #e2e8f0;
-            }
-            QPushButton:pressed {
-                background-color: #edf2f7;
-                border: 1px solid #cbd5e0;
-            }
-        """)
+        
+        # 连接主题切换信号以动态更新样式
+        theme_manager.theme_changed.connect(lambda: self._update_style_button_style(btn))
+        
+        # 立即应用当前主题样式
+        self._update_style_button_style(btn)
+        
         return btn
+    
+    def _update_style_button_style(self, btn):
+        """更新样式按钮样式以适配当前主题"""
+        is_dark = theme_manager.is_dark_theme()
+        colors = theme_manager.get_current_theme_colors()
+        
+        if is_dark:
+            btn.setStyleSheet(f"""
+                QPushButton {{
+                    background-color: transparent;
+                    border: 1px solid transparent;
+                    border-radius: 8px;
+                    padding: 6px 10px;
+                    color: {colors['text']};
+                    font-size: 12px;
+                    font-weight: 500;
+                    text-align: center;
+                }}
+                QPushButton:hover {{
+                    background-color: {colors['surface_hover']};
+                    border: 1px solid {colors['border']};
+                }}
+                QPushButton:pressed {{
+                    background-color: #5a5a5c;
+                    border: 1px solid #6a6a6c;
+                }}
+            """)
+        else:
+            btn.setStyleSheet(f"""
+                QPushButton {{
+                    background-color: transparent;
+                    border: 1px solid transparent;
+                    border-radius: 8px;
+                    padding: 6px 10px;
+                    color: #4a5568;
+                    font-size: 12px;
+                    font-weight: 500;
+                    text-align: center;
+                }}
+                QPushButton:hover {{
+                    background-color: #f7fafc;
+                    border: 1px solid #e2e8f0;
+                }}
+                QPushButton:pressed {{
+                    background-color: #edf2f7;
+                    border: 1px solid #cbd5e0;
+                }}
+            """)
 
 class WordStatusBar(QStatusBar):
     def __init__(self, parent=None):
         super().__init__(parent)
         self.setup_ui()
+        # 连接主题切换信号
+        theme_manager.theme_changed.connect(self.apply_theme)
+        # 应用初始主题
+        self.apply_theme()
     
     def setup_ui(self):
         """设置状态栏 - 现代极简主义风格"""
-        self.setStyleSheet("""
-            QStatusBar {
-                background-color: #ffffff;
-                border-top: 1px solid #e2e8f0;
-                font-size: 12px;
-                color: #718096;
-                font-family: 'Inter', 'SF Pro Display', 'Microsoft YaHei', '微软雅黑', sans-serif;
-                padding: 8px;
-            }
-            QStatusBar QLabel {
-                background-color: transparent;
-                padding: 4px 8px;
-                border-radius: 4px;
-            }
-            QStatusBar QLabel:hover {
-                background-color: #f7fafc;
-            }
-        """)
-        
         # 添加状态栏项目
         self.page_label = QLabel("第 1 页，共 1 页")
         self.words_label = QLabel("字数: 0")
@@ -1020,12 +1220,61 @@ class WordStatusBar(QStatusBar):
         self.addPermanentWidget(self.words_label)
         self.addPermanentWidget(self.language_label)
         self.addPermanentWidget(self.input_mode_label)
+    
+    def apply_theme(self):
+        """应用当前主题到状态栏"""
+        is_dark = theme_manager.is_dark_theme()
+        colors = theme_manager.get_current_theme_colors()
+        
+        if is_dark:
+            self.setStyleSheet(f"""
+                QStatusBar {{
+                    background-color: {colors['surface']};
+                    border-top: 1px solid {colors['border']};
+                    font-size: 12px;
+                    color: {colors['text_secondary']};
+                    font-family: 'Inter', 'SF Pro Display', 'Microsoft YaHei', '微软雅黑', sans-serif;
+                    padding: 8px;
+                }}
+                QStatusBar QLabel {{
+                    background-color: transparent;
+                    padding: 4px 8px;
+                    border-radius: 4px;
+                    color: {colors['text_secondary']};
+                }}
+                QStatusBar QLabel:hover {{
+                    background-color: {colors['surface_hover']};
+                }}
+            """)
+        else:
+            self.setStyleSheet("""
+                QStatusBar {
+                    background-color: #ffffff;
+                    border-top: 1px solid #e2e8f0;
+                    font-size: 12px;
+                    color: #718096;
+                    font-family: 'Inter', 'SF Pro Display', 'Microsoft YaHei', '微软雅黑', sans-serif;
+                    padding: 8px;
+                }
+                QStatusBar QLabel {
+                    background-color: transparent;
+                    padding: 4px 8px;
+                    border-radius: 4px;
+                }
+                QStatusBar QLabel:hover {
+                    background-color: #f7fafc;
+                }
+            """)
 
 class WordTextEdit(QTextEdit):
     def __init__(self, parent=None):
         super().__init__(parent)
         self.setup_ui()
         self.input_processor = None  # 输入处理器引用
+        # 连接主题切换信号
+        theme_manager.theme_changed.connect(self.apply_theme)
+        # 应用初始主题
+        self.apply_theme()
     
     def set_input_processor(self, processor):
         """设置输入处理器"""
@@ -1106,23 +1355,6 @@ class WordTextEdit(QTextEdit):
     
     def setup_ui(self):
         """设置文本编辑区域样式 - 现代极简主义风格"""
-        self.setStyleSheet("""
-            QTextEdit {
-                background-color: #ffffff;
-                border: none;
-                font-family: 'Inter', 'SF Pro Display', 'Microsoft YaHei', '微软雅黑', sans-serif;
-                font-size: 15px;
-                color: #2d3748;
-                padding: 40px;
-                line-height: 1.7;
-                selection-background-color: rgba(66, 153, 225, 0.2);
-                selection-color: #2d3748;
-            }
-            QTextEdit:focus {
-                outline: none;
-            }
-        """)
-        
         # 设置页面边距和背景
         self.setViewportMargins(50, 50, 50, 50)
         
@@ -1136,6 +1368,46 @@ class WordTextEdit(QTextEdit):
         
         # 设置光标宽度
         self.setCursorWidth(2)
+    
+    def apply_theme(self):
+        """应用当前主题到文本编辑区域"""
+        is_dark = theme_manager.is_dark_theme()
+        colors = theme_manager.get_current_theme_colors()
+        
+        if is_dark:
+            self.setStyleSheet(f"""
+                QTextEdit {{
+                    background-color: {colors['surface']};
+                    border: none;
+                    font-family: 'Inter', 'SF Pro Display', 'Microsoft YaHei', '微软雅黑', sans-serif;
+                    font-size: 15px;
+                    color: {colors['text']};
+                    padding: 40px;
+                    line-height: 1.7;
+                    selection-background-color: rgba(66, 153, 225, 0.3);
+                    selection-color: {colors['text']};
+                }}
+                QTextEdit:focus {{
+                    outline: none;
+                }}
+            """)
+        else:
+            self.setStyleSheet("""
+                QTextEdit {
+                    background-color: #ffffff;
+                    border: none;
+                    font-family: 'Inter', 'SF Pro Display', 'Microsoft YaHei', '微软雅黑', sans-serif;
+                    font-size: 15px;
+                    color: #2d3748;
+                    padding: 40px;
+                    line-height: 1.7;
+                    selection-background-color: rgba(66, 153, 225, 0.2);
+                    selection-color: #2d3748;
+                }
+                QTextEdit:focus {
+                    outline: none;
+                }
+            """)
 
 class WeatherAPI:
     def __init__(self):
diff --git a/src/word_main_window.py b/src/word_main_window.py
index b3f72e1..0b21977 100644
--- a/src/word_main_window.py
+++ b/src/word_main_window.py
@@ -136,9 +136,8 @@ class WordStyleMainWindow(QMainWindow):
         # 连接主题切换信号
         theme_manager.theme_changed.connect(self.on_theme_changed)
         
-        # 设置默认为白色模式（禁用自动检测）
-        theme_manager.enable_auto_detection(False)
-        theme_manager.set_dark_theme(False)
+        # 启用系统主题自动检测
+        theme_manager.enable_auto_detection(True)
         
         # 应用当前主题
         self.apply_theme()