html {
  font-size: 16px;
}

body {
  font-size: 15px;
  line-height: 1.7;
}

.markdown-section {
  max-width: 860px;
  padding: 20px 30px 100px;
}

.markdown-section h1 {
  font-size: 2.2rem;
  margin: 0 0 1rem;
}

.markdown-section h2 {
  font-size: 1.75rem;
  margin: 35px 0 15px;
  padding-bottom: 0.5em;
  border-bottom: 1px solid #ddd;
}

.markdown-section h3 {
  font-size: 1.4rem;
  margin: 20px 0 7px;
}

.markdown-section h4 {
  font-size: 1.2rem;
}

.markdown-section h5,
.markdown-section h6 {
  font-size: 1rem;
}

.markdown-section p,
.markdown-section ul,
.markdown-section ol,
.markdown-section blockquote,
.markdown-section table {
  margin: 0.8em 0;
  line-height: 1.7;
}

.markdown-section blockquote {
  border-left: 4px solid #42b983;
  background: rgba(66, 185, 131, 0.08);
  padding: 10px 15px;
  color: #666;
}

.markdown-section code,
.markdown-section pre,
.markdown-section pre > code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.92rem;
}