/* Khối bài viết liên quan (giao diện, không logic) */
.related-box {
  margin-top: 16px;
  padding: 12px 16px;
  background-color: #f7f7f7;
  border-left: 4px solid #c62828; /* đỏ giống ví dụ */
}

.related-box-inner {
  margin: 0;
  padding: 0;
}

.related-box-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 16px;
}

.related-box-list li {
  position: relative;
  margin-bottom: 6px;
}

.related-box-list li::before {
  content: "▪";
  color: #c62828;
  position: absolute;
  left: -14px;
  top: 0;
}

.related-box-list a {
  color: #222;
  text-decoration: none;
}

.related-box-list a:hover {
  text-decoration: underline;
}