style: 精简主题提示并优化分镜工具栏与分隔线

src/components/ui/ThemeToggle.vue

@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { computed, h, ref } from 'vue'
-import { NButton, NDropdown, NTooltip } from 'naive-ui'
+import { NButton, NDropdown } from 'naive-ui'
 import { Monitor, Moon, Sun } from '@lucide/vue'
 import type { ThemePreference } from '../../composables/useTheme'
 
@@ -23,19 +23,14 @@ function selectTheme(key: string | number) {
 
 <template>
     <NDropdown v-model:show="open" trigger="click" :value="preference" :options="options" @select="selectTheme">
-        <NTooltip :disabled="open">
-            <template #trigger>
-                <NButton
-                    quaternary
-                    class="theme-toggle icon-button"
-                    :aria-label="`主题模式：${current.label}`"
-                    aria-haspopup="menu"
-                    :aria-expanded="open"
-                >
-                    <template #icon><component :is="current.icon" :size="18" aria-hidden="true" /></template>
-                </NButton>
-            </template>
-            {{ current.label }} · 切换主题
-        </NTooltip>
+        <NButton
+            quaternary
+            class="theme-toggle icon-button"
+            :aria-label="`主题模式：${current.label}`"
+            aria-haspopup="menu"
+            :aria-expanded="open"
+        >
+            <template #icon><component :is="current.icon" :size="18" aria-hidden="true" /></template>
+        </NButton>
     </NDropdown>
 </template>