.post_toc_block .post_toc_flex ul {
  list-style-type: none;
  padding: 0;
}
.post_toc_block .post_toc_flex ul li {
  line-height: 1.6;
  margin-bottom: 10px;
}
.post_toc_block .post_toc_flex ul li a {
  color: #385975;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.25s, color 0.25s;
  opacity: 0.8;
}
.post_toc_block .post_toc_flex ul li a:hover {
  opacity: 1;
  text-decoration: none;
}