body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: #f5f5f5;
  color: #1b1e23;
  margin: 0;
  line-height: 1.6;
  padding: 32px 16px 80px;
}
.container {
  max-width: 820px;
  margin: 0 auto;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  padding: 32px;
}
header {
  border-bottom: 1px solid rgba(0,0,0,0.08);
  padding-bottom: 18px;
  margin-bottom: 24px;
}
header h1 {
  margin: 0;
  font-size: 2rem;
}
header p {
  margin: 4px 0;
  color: #4f535c;
}
.nav {
  margin: -10px 0 20px;
}
.nav a {
  color: #0a62c2;
  text-decoration: none;
  font-weight: 600;
}
.nav a:hover {
  text-decoration: underline;
}
dl.meta {
  display: grid;
  grid-template-columns: 110px 1fr;
  row-gap: 6px;
  column-gap: 16px;
  margin: 0 0 32px;
  font-size: 0.95rem;
  color: #4f535c;
  background: #fff9f3;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 10px;
  padding: 18px 22px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
dl.meta dt {
  font-weight: 600;
  color: #1f2229;
}
section.question blockquote {
  margin: 0 0 18px;
  padding: 12px 18px;
  border-left: 4px solid #0a62c2;
  background: #f0f6ff;
  color: #2b2d35;
}
section.question p,
section.reply p {
  margin: 0 0 14px;
}
article p {
  margin: 0 0 16px;
}
.sig {
  color: #4f535c;
  font-style: italic;
}
pre.mono {
  font-family: "Courier New", Courier, monospace;
  white-space: pre-wrap;
  margin: 1rem 0;
  font-size: 0.95rem;
  line-height: 1.45;
}