style(products): 调整移动端产品页网格背景颜色和线条粗细

app/pages/mobile/products/web.vue

@@ -247,8 +247,8 @@ const cards = [
       width: 100%;
       height: 200%;
       background-image:
-        linear-gradient(rgba(22, 24, 75, 0.5) 1px, transparent 1px),
-        linear-gradient(90deg, rgba(22, 24, 75, 0.5) 1px, transparent 1px);
+        linear-gradient(rgba(60, 60, 120, 1) 2px, transparent 2px),
+        linear-gradient(90deg, rgba(60, 60, 120, 1) 2px, transparent 2px);
       background-size: 50px 50px;
       animation: mb-gridMove 4s linear infinite;
     }