.posts-title {
    font-size: 40px;
    line-height: 64px;
}
.posts-meta-list {
    padding-bottom: 16px;
    color: #888;
    margin: 0 0 8px;
    padding: 0;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    align-items: center;
}
.posts-meta-list li {
    list-style: none !important;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    margin-right: 0;
    padding-left: 12px;
    padding-right: 0;
}
.post-header {
    margin: 0;
}
.post-date {
    color: #6b6b6b;
    transition: .3s;
    font-size: 15px;
    line-height: 27px;
}
.toc-container {
  border: 1px solid #ddd;
  border-left: 4px solid var(--toc-color, #0d6efd); /* MÀU BÊN TRÁI */
  border-radius: 8px;
  padding: 16px;
  margin: 20px 0;
  background: #f9fafe;
  font-family: 'Segoe UI', sans-serif;
  transition: all 0.3s ease;
}

.toc-container h2 {
  font-size: 18px;
  font-weight: bold;
  color: var(--toc-color, #0d6efd); /* TIÊU ĐỀ MỤC LỤC */
  margin-bottom: 12px;
}

.toc-container .toc-item {
  margin: 6px 0;
  padding-left: 24px;
  position: relative;
  margin-left: 20px !important;
}

.toc-container .toc-item::before {
  content: "";
  width: 10px;
  height: 10px;
  background-color: var(--toc-color, #0d6efd); /* CHẤM TRÒN ĐẦU DÒNG */
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 6px;
}

.toc-container .toc-item a {
  color: #333;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.toc-container .toc-item:hover a {
  color: var(--toc-color, #0d6efd); /* HOVER LINK MỤC LỤC */
  text-decoration: underline;
}