fix: fix anchor slug links

plugins/unified/deps.ts

@@ -14,13 +14,13 @@ export { default as rehypeExternalLinks } from 'npm:[email protected]'
 export { default as rehypeMinifyWhitespace } from 'npm:[email protected]'
 export { default as rehypePrismDiff } from 'npm:[email protected]'
 export { default as rehypePrismPlus } from 'npm:[email protected]'
-export { default as rehypeSlugAnchorSectionize } from 'npm:[email protected]'
 
 export { slug } from 'npm:[email protected]'
 export { toString } from 'npm:[email protected]'
 export { findAfter } from 'npm:[email protected]'
 export { CONTINUE, EXIT, SKIP, visit } from 'npm:[email protected]'
 
+export { default as rehypeSlugAnchorSectionize } from '#plugins/_deprecated/rehype-slug/mod.ts'
 export { default as rehypeCopyCode } from '#plugins/unified/rehype/rehypeCopyCode.ts'
 export { default as rehypeImgSize } from 'npm:[email protected]'
 export type { Test } from 'npm:[email protected]'

src/_includes/scss/layouts/_blog.scss

@@ -224,6 +224,8 @@ ol.series-list {
 
 
 .heading-section {
+  position: relative;
+
   &__heading {
     position: relative;