细节调整

src/views/ProductSummary.vue

@@ -2,7 +2,7 @@
   <!-- 头部 -->
   <div class="header">
     <span @click="$router.go(-1)"><返回</span>
-    <el-icon @click="$router.push(`/product/${firstProduct.id}`)"><ShoppingCart /></el-icon>
+    <el-icon @click="$router.push(`/product/${firstProduct.id}`)" style="color: #ffffff;"><ShoppingCart /></el-icon>
   </div>
 
   <div class="products-container">
@@ -260,14 +260,7 @@ onMounted(async () => {
 .header {
   /* 基础布局 */
   padding: 16px 20px;
-  background-color: #ffffff;
-  border-bottom: 1px solid #f0f0f0;
-  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
-
-  /* 固定在顶部 */
-  position: sticky;
-  top: 0;
-  z-index: 100;
+  background: #72c9ffae;
 
   /* 内容居中 */
   display: flex;
@@ -304,7 +297,7 @@ onMounted(async () => {
 
 .header span {
   /* 返回按钮样式 */
-  color: #333333;
+  color: #ffffff;
   font-size: 16px;
   font-weight: 500;
   cursor: pointer;
@@ -312,6 +305,8 @@ onMounted(async () => {
   border-radius: 6px;
   transition: all 0.2s ease;
 
+  margin-left: -15px;
+
   /* 添加返回图标占位 */
   display: inline-flex;
   align-items: center;
@@ -334,7 +329,7 @@ onMounted(async () => {
   box-shadow: 0 2px 8px rgba(0,0,0,0.1);
   transition: all 0.3s ease;
   overflow: hidden;
-  width: 374px;
+  width: 100%;
   min-height: 526px;
   display: flex;
   flex-direction: column; /* 改为垂直布局 */