style(AI): 优化聊天组件样式并添加全局样式类

- 在 chat.vue 中添加 .input-icon 和 .wh25 全局样式类
- 在 message.vue 中添加 .wh15 全局样式类
- 调整 sticky.vue 中工具箱模块的宽度

src/views/AI/components/chat.vue

@@ -44,8 +44,8 @@
       </div>
       <!-- 语音按钮：按住说话 -->
       <button @click="isVoiceMode = !isVoiceMode" class="mic-button ml10 mr10">
-        <svg-icon v-if="!isVoiceMode" icon-class="voice" class-name="chat-icon ml10" style="width: 25px; height: 25px"></svg-icon>
-        <span v-else style="font-size: 20px; color: #707070" class="ml15 mr5">⌨</span>
+        <svg-icon v-if="!isVoiceMode" icon-class="voice" class-name="chat-icon ml10 wh25"></svg-icon>
+        <span v-else class="ml15 mr5 input-icon">⌨</span>
       </button>
       <!-- 发送按钮 -->
       <button @click="sendMessage" :disabled="messageStatus === 'send'" :class="{ disabled: messageStatus === 'send' }" class="mr10 fs16">发送</button>
@@ -332,6 +332,14 @@ export default {
 $primary-color: #2e5ca9;
 $primary-text-color: #f6aa21;
 $primary-trans-color: rgba(135, 162, 208, 0.5);
+.input-icon {
+  font-size: 20px;
+  color: #707070;
+}
+.wh25 {
+  width: 25px;
+  height: 25px;
+}
 .isVoiceModeText {
   display: flex;
   textarea {

src/views/AI/components/message.vue

@@ -35,7 +35,7 @@
           <svg-icon :icon-class="message.isLike ? 'fillLike' : 'like'" class-name="chat-icon"></svg-icon> 有用
         </button>
         <button @click="handleReaction(message, 'dislike')" class="dislike">
-          <svg-icon :icon-class="message.isDisLike ? 'fillDislike' : 'dislike'" style="width: 15px; height: 15px"></svg-icon>无用
+          <svg-icon :icon-class="message.isDisLike ? 'fillDislike' : 'dislike'" class-name="wh15"></svg-icon>无用
         </button>
       </div>
     </div>
@@ -107,6 +107,10 @@ $primary-color: #2e5ca9; // 修复了 SCSS 变量的定义方式
 $primary-text-color: #f6aa21; // 修复了 SCSS 变量的定义方式
 $primary-trans-color: rgba(135, 162, 208, 0.5); // 使用rgba定义颜色，透明度为0.8
 
+.wh15 {
+  width: 15px;
+  height: 15px;
+}
 .message-item {
   all: initial;
   margin-bottom: 10px;

src/views/AI/components/sticky.vue

@@ -22,7 +22,7 @@
       </van-dropdown-item>
     </van-dropdown-menu>
     <!--工具箱或其他模块-->
-    <van-dropdown-menu active-color="#2e5ca9" :disabled="isDisabled" style="width: 50px">
+    <van-dropdown-menu active-color="#2e5ca9" :disabled="isDisabled" style="width: 12vw">
       <template> </template>
       <van-dropdown-item v-model="value2" :options="treasureList" @change="changeTreasureBox" :disabled="isDisabled" title-class="more-drown">
         <template #title>