chore：min-height: 300px; 替换成 min-height: 0px;

pages_tool/ai-chat/ai-chat-message.vue

@@ -271,9 +271,9 @@
       <view class="emoji-mask" @click="hideEmojiPanel"></view>
       <view class="emoji-panel">
         <view class="emoji-header">
-          <text>选择表情</text>
+          <text>表情</text>
           <button class="close-btn" @click="hideEmojiPanel">
-            <text class="iconfont icon-close"></text>
+            <text>×</text>
           </button>
         </view>
         <scroll-view class="emoji-grid" scroll-y>
@@ -3518,75 +3518,75 @@ $radius-lg: 36rpx;
     bottom: 0;
     left: 0;
     right: 0;
-    background-color: white;
-    border-radius: $radius-lg $radius-lg 0 0;
-    padding: 32rpx;
-    box-shadow: 0 -4rpx 20rpx rgba(0, 0, 0, 0.08);
-    max-height: 60vh;
+    background-color: #fff;
+    border-radius: 24rpx 24rpx 0 0;
+    padding: 0;
+    box-shadow: 0 -2rpx 10rpx rgba(0, 0, 0, 0.05);
+    max-height: 55vh;
 
     .emoji-header {
-      display: flex;
-      justify-content: space-between;
-      align-items: center;
-      margin-bottom: 24rpx;
-      border-bottom: 2rpx solid #f0f4f8;
-      padding-bottom: 16rpx;
-
-      text {
-        font-size: 34rpx;
-        font-weight: 600;
-        color: $color-text;
-      }
-
-      .close-btn {
-        width: 56rpx;
-        height: 56rpx;
-        border-radius: 50%;
-        background-color: $bg-main;
         display: flex;
+        justify-content: space-between;
         align-items: center;
-        justify-content: center;
-        transition: all 0.2s ease;
-        border: none;
+        padding: 16rpx 20rpx;
+        border-bottom: 1rpx solid #e5e5e5;
+        background-color: #f7f7f7;
 
-        &:hover {
-          background-color: #e8edf3;
+        text {
+          font-size: 30rpx;
+          font-weight: 500;
+          color: #333;
         }
 
-        .iconfont {
-          font-size: 28rpx;
-          color: $color-text-light;
+        .close-btn {
+          width: 48rpx;
+          height: 48rpx;
+          border-radius: 50%;
+          background-color: transparent;
+          display: flex;
+          align-items: center;
+          justify-content: center;
+          border: none;
+
+          &:hover {
+            background-color: #e5e5e5;
+          }
+
+          text {
+            font-size: 36rpx;
+            color: #999;
+          }
         }
       }
-    }
 
     .emoji-grid {
       display: grid;
       grid-template-columns: repeat(8, 1fr);
-      gap: 16rpx;
-      max-height: 40vh;
+      gap: 12rpx;
+      padding: 16rpx 8rpx;
+      overflow-y: auto;
+      max-height: 50vh;
 
       .emoji-item {
         display: flex;
         align-items: center;
         justify-content: center;
-        width: 64rpx;
-        height: 64rpx;
-        border-radius: 12rpx;
-        background-color: #f8f8f8;
-        transition: all 0.2s ease;
+        width: 72rpx;
+        height: 72rpx;
+        border-radius: 8rpx;
+        background-color: transparent;
+        transition: all 0.15s ease;
 
         &:hover {
-          background-color: #e8edf3;
-          transform: scale(1.1);
+          background-color: #f0f0f0;
         }
 
         &:active {
-          background-color: #d8dde3;
+          background-color: #e0e0e0;
         }
 
         .emoji-text {
-          font-size: 36rpx;
+          font-size: 44rpx;
           line-height: 1;
         }
       }