feat: 博客文章详情页磨砂玻璃背景（壁纸下可读性）

public/css/style.css

@@ -2461,3 +2461,25 @@ button.glass-card, .btn.glass-card, .nav-tab.glass-card, .chip.glass-card {
   0%, 55% { left: -60%; }
   100% { left: 130%; }
 }
+
+/* ===== 博客页壁纸下磨砂背景（增强可读性） ===== */
+.blog-layout {
+  background: rgba(255, 251, 254, 0.5);
+  backdrop-filter: blur(16px);
+  -webkit-backdrop-filter: blur(16px);
+}
+[data-theme="dark"] .blog-layout {
+  background: rgba(28, 27, 31, 0.55);
+}
+
+/* ===== 博客文章详情页壁纸下磨砂背景（增强可读性） ===== */
+.blog-article {
+  background: rgba(255, 251, 254, 0.5);
+  backdrop-filter: blur(16px);
+  -webkit-backdrop-filter: blur(16px);
+  border-radius: 16px;
+  padding: 24px;
+}
+[data-theme="dark"] .blog-article {
+  background: rgba(28, 27, 31, 0.55);
+}