h2 {
  color: red !important;
}

/* Chỉ áp dụng cho link trong nội dung bài viết */
.single-post .entry-content a,
.single-post .post-content a,
.single-post .wp-block-post-content a {
  color: #0000ff !important;
}

/* Không áp dụng cho mục lục */
.single-post .entry-content [class*="toc"] a,
.single-post .entry-content [id*="toc"] a,
.single-post .post-content [class*="toc"] a,
.single-post .post-content [id*="toc"] a,
.single-post .wp-block-post-content [class*="toc"] a,
.single-post .wp-block-post-content [id*="toc"] a,
.single-post .entry-content .ez-toc-container a,
.single-post .entry-content .lwptoc a,
.single-post .post-content .ez-toc-container a,
.single-post .post-content .lwptoc a,
.single-post .wp-block-post-content .ez-toc-container a,
.single-post .wp-block-post-content .lwptoc a {
  color: inherit !important;
}