修复图片预览功能，使其与审核页面样式一致

supply.html

@@ -783,22 +783,25 @@
         
         .image-viewer-content {
             position: relative;
-            max-width: 90%;
-            max-height: 90%;
+            width: 500px; /* 固定宽度 */
+            height: 350px; /* 固定高度 */
             cursor: default;
+            display: flex;
+            justify-content: center;
+            align-items: center;
         }
         
         .image-viewer-close {
             position: absolute;
-            top: 20px;
-            right: 20px;
-            width: 40px;
-            height: 40px;
+            top: -30px;
+            right: -30px;
+            width: 30px;
+            height: 30px;
             background-color: rgba(255, 255, 255, 0.2);
             color: white;
             border: none;
             border-radius: 50%;
-            font-size: 24px;
+            font-size: 20px;
             cursor: pointer;
             display: flex;
             align-items: center;
@@ -815,13 +818,13 @@
             position: absolute;
             top: 50%;
             transform: translateY(-50%);
-            width: 50px;
-            height: 50px;
+            width: 40px;
+            height: 40px;
             background-color: rgba(0, 0, 0, 0.6);
             color: white;
             border: none;
             border-radius: 50%;
-            font-size: 30px;
+            font-size: 24px;
             cursor: pointer;
             display: flex;
             align-items: center;
@@ -835,23 +838,23 @@
         }
         
         .prev-btn {
-            left: -25px;
+            left: -60px;
         }
         
         .next-btn {
-            right: -25px;
+            right: -60px;
         }
         
         /* 图片计数器 */
         .image-viewer-counter {
             position: absolute;
-            bottom: -40px;
+            bottom: -30px;
             left: 50%;
             transform: translateX(-50%);
-            background-color: rgba(0, 0, 0, 0.6);
+            background-color: transparent;
             color: white;
-            padding: 8px 16px;
-            border-radius: 20px;
+            padding: 4px 12px;
+            border-radius: 15px;
             font-size: 14px;
             font-weight: 500;
         }