提交估价ui优化

pages/evaluate2/index.wxml

@@ -26,7 +26,7 @@
   <view class="header">
     <view class="header-content">
       <button class="back-button" bindtap="goBackToProductList">
-        <text class="back-icon">←</text>
+        <text class="back-icon" style="position: relative; left: -139rpx; top: 2rpx; width: 62rpx; display: block; box-sizing: border-box">←</text>
       </button>
       <text class="title">规格选择</text>
       <view class="header-right"></view> <!-- 占位，保持标题居中 -->

pages/evaluate2/product-list.wxml

@@ -26,7 +26,7 @@
   <view class="header">
     <view class="header-content">
       <button class="back-button" bindtap="goBackToCategories">
-        <text class="back-icon">←</text>
+        <text class="back-icon" style="width: 75rpx; display: block; box-sizing: border-box; position: relative; left: -162rpx; top: 2rpx">←</text>
       </button>
       <text class="title">商品选择</text>
       <view class="header-right"></view> <!-- 占位，保持标题居中 -->