fix: 主图1边框加粗至8px，覆盖更多图片边缘

产品/飞牛 NAS/fyd-亚克力机箱 - 单/主图/主图1-正面展示.html

@@ -60,19 +60,19 @@
             margin-top: 6px;
             letter-spacing: 3px;
         }
-        /* 产品展示台 */
+        /* 产品展示台 - 边框更粗 */
         .product-stage {
-            width: 600px;
-            height: 500px;
+            width: 620px;
+            height: 520px;
             background: rgba(255,255,255,0.08);
-            border-radius: 25px;
+            border-radius: 30px;
             display: flex;
             align-items: center;
             justify-content: center;
             position: relative;
             margin-top: 20px;
             backdrop-filter: blur(5px);
-            border: 1px solid rgba(255,255,255,0.15);
+            border: 8px solid rgba(255,255,255,0.12);
             box-shadow: 
                 0 20px 60px rgba(0,0,0,0.3),
                 inset 0 1px 0 rgba(255,255,255,0.1);
@@ -88,11 +88,11 @@
             justify-content: center;
         }
         .product-img {
-            width: 580px;
-            height: 480px;
+            width: 620px;
+            height: 520px;
             object-fit: cover;
             object-position: center;
-            border-radius: 10px;
+            border-radius: 25px;
             box-shadow: 
                 0 15px 40px rgba(0,0,0,0.4),
                 0 0 0 1px rgba(255,255,255,0.1);
@@ -103,8 +103,8 @@
             top: 100%;
             left: 50%;
             transform: translateX(-50%) scaleY(-1);
-            width: 580px;
-            height: 100px;
+            width: 620px;
+            height: 120px;
             object-fit: cover;
             object-position: center bottom;
             opacity: 0.12;