feat: deepen single post experience

assets/css/frontend/single-post/code-blocks.css

@@ -1,4 +1,4 @@
-/* ========== 浠ｇ爜鍧?GitHub 椋庢牸 ========== */
+/* ========== 代码块：GitHub 风格 ========== */
 .code-block {
   border-radius: var(--radius-code);
   border: 1px solid var(--color-line);
@@ -52,8 +52,8 @@
   }
 }
 
-.entry-content pre.wp-block-code,
-.entry-content pre:not(.wp-block-preformatted) {
+:is(.entry-content, .wp-posts-content) pre.wp-block-code,
+:is(.entry-content, .wp-posts-content) pre:not(.wp-block-preformatted) {
   border-radius: var(--radius-code);
   border: 1px solid var(--color-line);
   background: var(--surface-3);
@@ -61,7 +61,7 @@
   overflow: hidden;
 }
 
-.entry-content pre code {
+:is(.entry-content, .wp-posts-content) pre code {
   display: block;
   padding: 16px 20px;
   overflow-x: auto;