修改supply.html页面样式，使其铺满全屏

supply.html

@@ -5,22 +5,21 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no, maximum-scale=1.0, minimum-scale=1.0">
     <title>货源管理</title>
     <style>
-        body {
+        html, body {
             font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
             margin: 0;
-            padding: 20px;
+            padding: 0;
-            background-color: #f5f5f5;
+            background-color: #fff;
             color: #333;
+            height: 100%;
+            min-height: 100vh;
         }
         
         .container {
-            max-width: 1200px;
+            width: 100%;
-            margin: 0 auto;
             background-color: #fff;
-            border-radius: 8px;
-            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
             padding: 20px;
-            min-height: 100vh;
+            min-height: calc(100vh - 80px);
             box-sizing: border-box;
         }