feat(creator-studio): dialog-driven table/math/footnote, theme quote, code language picker

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

assets/css/frontend/single-post/content.css

@@ -413,3 +413,53 @@ article.article.box-body,
 .wp-posts-content .posts-nav-box {
   margin: 20px 0;
 }
+
+/* ---------- 正文表格：编辑器插入的 jio-content-table ---------- */
+
+.wp-posts-content .jio-content-table {
+  width: 100%;
+  margin: 0 0 20px;
+  border-collapse: separate;
+  border-spacing: 0;
+  overflow: hidden;
+  border: 1px solid var(--main-border-color, rgba(50, 50, 50, 0.08));
+  border-radius: var(--main-radius, 8px);
+  font-size: 14px;
+}
+
+.wp-posts-content .jio-content-table th,
+.wp-posts-content .jio-content-table td {
+  padding: 10px 14px;
+  border: 0;
+  border-bottom: 1px solid var(--main-border-color, rgba(50, 50, 50, 0.08));
+  line-height: 1.7;
+  text-align: left;
+  vertical-align: top;
+}
+
+.wp-posts-content .jio-content-table thead th {
+  background: var(--muted-bg-2-color, #f6f7f8);
+  color: var(--key-color, #333);
+  font-weight: 600;
+}
+
+.wp-posts-content .jio-content-table tbody tr:last-child td {
+  border-bottom: 0;
+}
+
+.wp-posts-content .jio-content-table tbody tr:hover td {
+  background: var(--main-shadow, rgba(116, 116, 116, 0.06));
+}
+
+.wp-posts-content .jio-content-table.is-striped tbody tr:nth-child(odd) td {
+  background: var(--muted-bg-2-color, #f6f7f8);
+}
+
+/* 窄屏下表格横向滚动，避免撑破正文。 */
+@media (max-width: 767px) {
+  .wp-posts-content .jio-content-table {
+    display: block;
+    overflow-x: auto;
+    white-space: nowrap;
+  }
+}