feat: heading count

src/pages/00_manual/ViewPage.vue

@@ -209,6 +209,38 @@ async function scrollTo(id: string) {
   padding-block: 1rem !important;
 }
 
+.markdown {
+  counter-set: h1 0;
+  counter-reset: h1;
+}
+
+.markdown :deep(h1) {
+  counter-reset: h2;
+}
+
+.markdown :deep(h2) {
+  counter-reset: h3;
+}
+
+.markdown :deep(h3) {
+  counter-reset: h4;
+}
+
+.markdown :deep(h2:before) {
+  counter-increment: h2;
+  content: counter(h2) '. ';
+}
+
+.markdown :deep(h3:before) {
+  counter-increment: h3;
+  content: counter(h2) '.' counter(h3) ' ';
+}
+
+.markdown :deep(h4:before) {
+  counter-increment: h4;
+  content: counter(h2) '.' counter(h3) '.' counter(h4) ' ';
+}
+
 .markdown :deep(blockquote) {
   background-color: var(--surface-2);
   border-radius: 8px;