.hub { max-width: 42rem; margin: 0 auto; padding: 2rem 1.25rem;
  font-family: 'Literata', Georgia, serif; color: #222; }
.hub-header { margin-bottom: 2rem; font-size: 0.95rem; }
.hub-brand { font-weight: 700; font-size: 1.125rem; color: #222; text-decoration: none; }
.hub-bc { color: #888; }
.hub-bc a { color: #1f6feb; text-decoration: none; }
.hub-body { line-height: 1.6; }
.hub-body h1 { font-size: 2rem; margin: 0 0 0.5rem; line-height: 1.15; }
.hub-intro { color: #444; margin: 0 0 1.75rem; }
.hub-langs, .hub-books { list-style: none; padding: 0; margin: 0 0 2rem;
  display: grid; gap: 0.4rem; }
.hub-langs li, .hub-books li { padding: 0.35rem 0; border-bottom: 1px solid #f0f0f0; }
.hub-langs a, .hub-books a { color: #1f6feb; text-decoration: none; font-weight: 600; }
.hub-langs a:hover, .hub-books a:hover { text-decoration: underline; }
.hub-by { color: #666; font-style: italic; margin-left: 0.4rem; }
.hub-count { color: #999; font-size: 0.85rem; margin-left: 0.4rem; white-space: nowrap; }
.hub-back { margin-top: 1.5rem; }
.hub-back a { color: #1f6feb; text-decoration: none; }
.hub-credit { font-size: 0.75rem; color: #888; margin-top: 2.5rem; }
.hub-credit a { color: #1f6feb; text-decoration: none; }