/* 标题字体大小调整 */
.markdown-section h1 {
  font-size: 1.5em;
}

.markdown-section h2 {
  font-size: 1.3em;
}

.markdown-section h3 {
  font-size: 1.2em;
}

.markdown-section h4 {
  font-size: 1.1em;
}

.markdown-section h5 {
  font-size: 1.0em;
}

.markdown-section h6 {
  font-size: 0.9em;
}