fix(feedback): tighten error banner spacing

pages/feedback/index.wxml

@@ -9,10 +9,10 @@
     <view class="feedback-error-content">
       <text class="feedback-error-message">{{errorMessage}}</text>
       <button class="feedback-error-close" aria-label="关闭提示" bindtap="dismissError">
-        <icon type="clear" size="16" color="#8E5B5B" />
+        <icon type="clear" size="16" color="#9B2C27" />
       </button>
     </view>
-    <view class="feedback-error-actions">
+    <view class="feedback-error-actions {{errorRequestId ? '' : 'feedback-error-actions-single'}}">
       <button wx:if="{{errorRequestId}}" class="feedback-error-copy" aria-label="复制问题编号" bindtap="copyRequestId">复制编号</button>
       <button class="feedback-error-retry" loading="{{errorRetrying}}" disabled="{{errorRetrying}}" bindtap="retryError">重试</button>
     </view>

pages/feedback/index.wxss

@@ -10,36 +10,40 @@
 .feedback-error-banner {
   display: block;
   width: 100%;
-  padding: 20rpx;
+  padding: 16rpx;
   border-color: rgba(209, 63, 58, 0.24);
   background: #fff6f5;
 }
 
 .feedback-error-content {
   display: grid;
-  grid-template-columns: minmax(0, 1fr) 64rpx;
+  grid-template-columns: minmax(0, 1fr) 56rpx;
   align-items: start;
   width: 100%;
-  gap: 12rpx;
+  gap: 8rpx;
 }
 
 .feedback-error-actions {
-  display: flex;
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
   align-items: center;
-  justify-content: flex-end;
   width: 100%;
   gap: 10rpx;
-  margin-top: 14rpx;
+  margin-top: 8rpx;
+}
+
+.feedback-error-actions-single {
+  grid-template-columns: minmax(0, 1fr);
 }
 
 .feedback-error-message {
   display: block;
   min-width: 0;
-  padding: 5rpx 0;
+  padding: 4rpx 0;
   color: #9b2c27;
   font-size: 24rpx;
   font-weight: 500;
-  line-height: 1.5;
+  line-height: 1.45;
   word-break: normal;
   overflow-wrap: break-word;
 }
@@ -48,10 +52,10 @@
   display: flex;
   align-items: center;
   justify-content: center;
-  width: 64rpx;
-  min-width: 64rpx;
-  max-width: 64rpx;
-  height: 64rpx;
+  width: 56rpx;
+  min-width: 56rpx;
+  max-width: 56rpx;
+  height: 56rpx;
   margin: 0;
   padding: 0;
   border: 0;
@@ -86,18 +90,18 @@
 }
 
 .feedback-error-copy {
-  width: 128rpx;
-  min-width: 128rpx;
-  max-width: 128rpx;
+  width: 100%;
+  min-width: 0;
+  max-width: none;
   padding: 0;
-  background: #f1f3f6;
-  color: #6e6e73;
+  background: rgba(155, 44, 39, 0.08);
+  color: #9b2c27;
 }
 
 .feedback-error-retry {
-  width: 112rpx;
-  min-width: 112rpx;
-  max-width: 112rpx;
+  width: 100%;
+  min-width: 0;
+  max-width: none;
   padding: 0;
   background: #007aff;
   color: #ffffff;
@@ -120,7 +124,7 @@
 }
 
 .feedback-error-copy:active {
-  background: #e5e5ea;
+  background: rgba(155, 44, 39, 0.14);
 }
 
 .feedback-error-retry:active {