.article-body pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 1rem;
  border: 1px solid #d8d5cd;
  border-radius: 8px;
  background: #f7f8f6;
  color: #172033;
  font-size: .86rem;
  line-height: 1.55;
  white-space: pre;
}
.article-body code { font-family: Consolas, "Courier New", monospace; }
.article-body :not(pre) > code { padding: .08rem .25rem; border-radius: 3px; background: #f0f3f1; }
.article-body .math-block { margin: 1.25rem 0; overflow-x: auto; padding: .85rem 1rem; border-left: 4px solid #315f7f; background: #f2f5f3; }
.article-body .math-block code { white-space: pre-wrap; font-size: .95rem; }
.article-body blockquote { margin: 1.5rem 0; padding: .15rem 0 .15rem 1rem; border-left: 4px solid #315f7f; color: #48443e; }
@media (max-width: 720px) { .article-body pre { font-size: .76rem; } }