优化顶部标题栏布局，将返回、联系客服和登录信息按钮放在同一行

supply.html

@@ -1299,13 +1299,19 @@
     <div class="container">
         <!-- 标题栏 -->
         <div class="title-bar">
-            <button onclick="window.location.href='SupplierReview.html'" style="background-color: rgba(255, 255, 255, 0.2); color: white; border: 1px solid rgba(255, 255, 255, 0.3); padding: 8px 16px; border-radius: 20px; font-size: 14px; font-weight: 500; cursor: pointer; transition: all 0.3s ease; backdrop-filter: blur(10px); box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1); flex-shrink: 0;">
-                返回
-            </button>
-            <h1 style="margin: 0;">我的货源</h1>
-            <div class="title-bar-actions">
-                <button onclick="contactCustomerService()">联系客服</button>
-                <button class="apply-settlement-btn">已入驻</button>
+            <div style="display: flex; align-items: center; gap: 10px; width: 100%;">
+                <button onclick="window.location.href='SupplierReview.html'" style="background-color: rgba(255, 255, 255, 0.2); color: white; border: 1px solid rgba(255, 255, 255, 0.3); padding: 6px 12px; border-radius: 16px; font-size: 12px; font-weight: 500; cursor: pointer; transition: all 0.3s ease; backdrop-filter: blur(10px); box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1); flex-shrink: 0;">
+                    返回
+                </button>
+                <h1 style="margin: 0; flex: 1; text-align: center;">我的货源</h1>
+                <div style="display: flex; align-items: center; gap: 8px;">
+                    <button onclick="contactCustomerService()" style="background-color: rgba(255, 255, 255, 0.2); color: white; border: 1px solid rgba(255, 255, 255, 0.3); padding: 6px 12px; border-radius: 16px; font-size: 12px; font-weight: 500; cursor: pointer; transition: all 0.3s ease; backdrop-filter: blur(10px); box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1); flex-shrink: 0;">
+                        联系客服
+                    </button>
+                    <button class="apply-settlement-btn" style="background-color: rgba(255, 255, 255, 0.2); color: white; border: 1px solid rgba(255, 255, 255, 0.3); padding: 6px 12px; border-radius: 16px; font-size: 12px; font-weight: 500; cursor: pointer; transition: all 0.3s ease; backdrop-filter: blur(10px); box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1); flex-shrink: 0;">
+                        已入驻
+                    </button>
+                </div>
             </div>
         </div>