:root {
  color-scheme:light;
  --header-height:81px;
  --ink:#17233d;
  --muted:#61708b;
  --blue:#2f6fed;
  --line:#dce5f2;
  --canvas:#f6f9ff}
* {
  box-sizing:border-box}
body {
  margin:0;
  background:#fff;
  color:var(--ink);
  font:16px/1.7 system-ui,-apple-system,"Segoe UI",sans-serif}
a {
  color:#245ac1;
  text-underline-offset:3px}
a:hover {
  color:#153d89}
a:focus-visible,summary:focus-visible {
  outline:3px solid #7458df;
  outline-offset:4px}
html {
  scroll-padding-top:6rem}
.skip {
  position:fixed;
  top:-100px;
  left:1rem;
  background:#17233d;
  color:white;
  padding:.6rem 1rem;
  z-index:10}
.skip:focus {
  top:1rem}
.site-header {
  min-height:var(--header-height);
  position:sticky;
  top:0;
  z-index:3;
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:1rem max(1.5rem,calc((100vw - 1240px)/2));
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem}
.brand {
  font-size:1.2rem;
  font-weight:750;
  color:var(--ink);
  text-decoration:none;
  display:flex;
  gap:.6rem;
  align-items:center}
.brand-symbol {
  display:block;
  flex-shrink:0;
  width:2rem;
  height:2rem;
}
.site-header nav {
  display:flex;
  align-items:center;
  gap:1.5rem;
  font-size:.9rem}
.site-header nav a {
  text-decoration:none}
.account {
  background:#edf3ff;
  border-radius:.5rem;
  padding:.4rem .8rem}
.layout {
  max-width:1240px;
  margin:auto;
  display:grid;
  grid-template-columns:250px minmax(0,1fr)}
.sidebar {
  position:sticky;
  top:var(--header-height);
  height:calc(100vh - var(--header-height));
  overflow:auto;
  padding:1.5rem 1.1rem 3rem;
  border-right:1px solid var(--line);
  background:var(--canvas)}
.nav-group {
  font-size:.72rem;
  font-weight:750;
  letter-spacing:.09em;
  text-transform:uppercase;
  color:var(--muted);
  margin:1.5rem .7rem .5rem}
.sidebar a,.mobile-articles nav a {
  display:block;
  padding:.45rem .7rem;
  margin:.15rem 0;
  border-radius:.5rem;
  text-decoration:none;
  font-size:.9rem;
  color:var(--ink)}
[aria-current=page] {
  background:#e2ecff;
  color:#1c50b4!important;
  font-weight:700}
.sidebar a:hover,.mobile-articles nav a:hover {
  background:#ecf1fa}
main {
  min-width:0;
  padding:3rem 3.5rem}
article {
  max-width:760px;
  margin:0 auto}
.eyebrow {
  color:#245ac1;
  font-weight:700;
  font-size:.8rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  margin:0 0 .7rem}
h1 {
  font-size:clamp(2rem,4vw,2.9rem);
  line-height:1.15;
  letter-spacing:-.04em;
  margin:0 0 1.1rem}
h2 {
  font-size:1.4rem;
  line-height:1.35;
  margin:2.5rem 0 1rem;
  letter-spacing:-.02em}
h3 {
  font-size:1.02rem;
  margin:1.5rem 0 .5rem}
.lead {
  font-size:1.15rem;
  line-height:1.6;
  color:var(--muted);
  margin:0}
.reviewed {
  font-size:.78rem;
  color:var(--muted);
  padding-bottom:1.6rem;
  border-bottom:1px solid var(--line)}
p,li {
  overflow-wrap:anywhere}
li {
  padding-left:.2rem;
  margin:.5rem 0}
ul,ol {
  padding-left:1.5rem}
code {
  font-size:.86em;
  background:#edf2f9;
  padding:.12rem .28rem;
  border-radius:.25rem}
pre {
  max-width:100%;
  overflow:auto;
  background:#14233c;
  color:#ecf3ff;
  padding:1.2rem;
  border-radius:.7rem;
  line-height:1.65;
  font-size:.88rem}
pre code {
  background:none;
  padding:0;
  color:inherit;
  font-size:inherit;
  white-space:pre}
.note {
  border-left:3px solid var(--blue);
  background:#f0f5ff;
  padding:1rem 1.2rem;
  border-radius:0 .5rem .5rem 0;
  margin:1.5rem 0}
.cards {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:.8rem}
.cards a {
  display:flex;
  flex-direction:column;
  gap:.4rem;
  border:1px solid var(--line);
  border-radius:.8rem;
  padding:1.2rem;
  text-decoration:none;
  transition:background .15s}
.cards a:hover {
  background:#f0f5ff;
  border-color:#acc5f5}
.cards b {
  font-size:1.12rem}
.cards span {
  font-size:.85rem;
  color:var(--muted)}
.steps {
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
  margin:1.8rem 0}
.steps span {
  font-size:.78rem;
  background:#edf3ff;
  color:#245ac1;
  padding:.35rem .6rem;
  border-radius:2rem}
.pager {
  display:flex;
  justify-content:space-between;
  gap:1rem;
  border-top:1px solid var(--line);
  margin-top:3rem;
  padding-top:1.5rem}
.pager a {
  text-decoration:none;
  max-width:48%}
.pager small {
  display:block;
  color:var(--muted);
  font-size:.75rem}
footer {
  max-width:760px;
  margin:3rem auto 0;
  color:var(--muted);
  font-size:.8rem}
.mobile-articles {
  display:none}
@media(max-width:800px) {
  .site-header {
  position:relative;
  padding:1rem;
  flex-wrap:wrap}
.site-header nav {
  gap:1rem;
  flex-wrap:wrap}
.layout {
  display:block}
.sidebar {
  display:none}
.mobile-articles {
  display:block;
  border-bottom:1px solid var(--line);
  background:var(--canvas);
  padding:0 1rem}
.mobile-articles summary {
  padding:1rem 0;
  cursor:pointer;
  font-weight:650}
.mobile-articles summary span {
  float:right}
.mobile-articles nav {
  padding-bottom:1rem}
main {
  padding:2rem 1.2rem}
.cards {
  grid-template-columns:1fr}
.pager {
  font-size:.9rem}
}
@media print {
  .site-header,.sidebar,.mobile-articles,.pager,.skip {
  display:none}
.layout {
  display:block}
main {
  padding:0}
pre {
  white-space:pre-wrap;
  background:#f3f3f3;
  color:#111}
pre code {
  white-space:pre-wrap}
.note {
  break-inside:avoid}
a {
  color:inherit}
h2,h3 {
  break-after:avoid}
}

/* Linux package compatibility record. */
.compatibility-table {
  width:100%;
  border-collapse:collapse;
  margin:1.2rem 0;
  font-size:.95rem;
  overflow-wrap:anywhere;
}
.compatibility-table caption {
  text-align:left;
  font-weight:650;
  margin-bottom:.6rem;
}
.compatibility-table th,.compatibility-table td {
  text-align:left;
  vertical-align:top;
  padding:.65rem .75rem;
  border-bottom:1px solid var(--line);
}
.compatibility-table thead {
  background:var(--canvas);
}
.compatibility-table tbody th {
  font-weight:600;
  width:46%;
}