:root {
  color-scheme: light;
  --ink: #171717;
  --muted: #666;
  --line: #d7d7d7;
  --paper: #fafafa;
  --accent: #1d4f91;
  --quote: #f4f7fb;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}
header, main, footer { max-width: 1120px; margin: 0 auto; padding: 24px; }
header {
  padding: 34px 0 26px;
  border-bottom: 1px solid var(--line);
}
.kicker { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(34px, 6vw, 62px);
  line-height: 1.02;
  letter-spacing: 0;
}
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
}
.meta li { border: 1px solid var(--line); padding: 6px 9px; background: #fff; }
.version-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 18px;
}
section { margin: 30px 0; }
h2 {
  margin: 0 0 14px;
  font-size: 25px;
  letter-spacing: 0;
}
h3 {
  margin: 30px 0 12px;
  font-size: 20px;
  letter-spacing: 0;
}
h4 {
  margin: 24px 0 10px;
  font-size: 16px;
  letter-spacing: 0;
}
p {
  max-width: 78ch;
  margin: 0 0 14px;
}
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .94em;
}
blockquote {
  max-width: 76ch;
  margin: 18px 0;
  padding: 13px 18px;
  border-left: 4px solid var(--accent);
  background: var(--quote);
}
ul { max-width: 76ch; padding-left: 22px; }
li { margin: 7px 0; }
.compact { font-size: 17px; max-width: 70ch; }
.notice {
  margin: 22px 0;
  padding: 15px 18px;
  border-left: 4px solid var(--accent);
  background: var(--quote);
}
.notice h2 { font-size: 18px; }
.source-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: 28px;
  align-items: start;
}
.downloads, .page-index, .side {
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--paper);
}
.downloads a, .page-index a {
  display: block;
  margin: 0 0 12px;
  font-weight: 700;
}
.fulltext-wrap { margin-top: 32px; border-top: 1px solid var(--line); padding-top: 22px; }
.fulltext-note { color: var(--muted); font-size: 13px; max-width: 76ch; }
.two-pages {
  display: grid;
  grid-template-columns: repeat(2, minmax(520px, 1fr));
  gap: 14px;
  margin-top: 14px;
  overflow-x: auto;
  align-items: stretch;
}
.a4-page {
  min-height: 297mm;
  padding: 13px;
  border: 1px solid var(--line);
  background: #fff;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 6pt;
  line-height: 1.12;
  overflow-wrap: anywhere;
}
.a4-page h2 { margin: 0 0 7px; font-size: 8pt; }
.a4-page h3 { margin: 9px 0 4px; font-size: 7pt; }
.a4-page p { max-width: none; margin: 0 0 5px; }
.a4-page blockquote { margin: 6px 0; padding: 5px 7px; border-left-width: 2px; }
.a4-page ul, .a4-page ol { max-width: none; margin: 4px 0; padding-left: 14px; }
.a4-page li { margin: 2px 0; }
.page-label {
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 6pt;
  text-transform: uppercase;
}
.memory {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  white-space: pre-wrap;
}
.copyblock {
  width: 100%;
  min-height: 520px;
  padding: 18px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font: 13px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace;
  resize: vertical;
}
a { color: var(--accent); }
footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 10px;
}
@media (max-width: 760px) {
  .source-band { grid-template-columns: 1fr; }
  header, main, footer { padding: 18px; }
  .two-pages { grid-template-columns: repeat(2, 520px); }
}