:root {
  color-scheme: light dark;
  --ink: #202c35;
  --muted: #52646e;
  --link: #185f75;
  --line: #dce5e9;
  --paper: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 100%;
  line-height: 1.85;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: var(--link); text-underline-offset: .22em; }
a:hover { text-decoration-thickness: .14em; }
a:focus-visible { outline: 3px solid var(--link); outline-offset: 4px; border-radius: 2px; }
p { margin: 0 0 1.25em; overflow-wrap: anywhere; }
h1, h2 { line-height: 1.45; text-wrap: balance; }
h1 { font-size: clamp(1.9rem, 4vw, 2.65rem); margin: 0 0 .7rem; }
h2 { font-size: 1.35rem; margin: 0 0 1rem; }
.skip-link { position: absolute; top: 0; left: 1rem; padding: .75rem 1rem; background: var(--paper); transform: translateY(-120%); }
.skip-link:focus { transform: translateY(0); }
.site-header { max-width: 78rem; margin: auto; padding: 1.5rem 2rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem 2rem; flex-wrap: wrap; border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; font-size: 1.12rem; }
.brand span { font-size: .875rem; font-weight: 400; color: var(--muted); padding-left: .5rem; }
.languages { display: flex; gap: .25rem 1.4rem; flex-wrap: wrap; font-size: .94rem; }
.languages a { padding: .5rem 0; }
[aria-current="page"] { font-weight: 700; text-decoration: none; }
.reading-layout { max-width: 78rem; margin: 0 auto; display: grid; grid-template-columns: minmax(12rem, 18rem) minmax(0, 1fr); gap: 4.5rem; padding: 3rem 2rem 5rem; }
.contents { align-self: start; position: sticky; top: 1.5rem; font-size: .94rem; }
.contents h2 { color: var(--muted); font-size: .94rem; }
.contents ol { list-style: none; margin: 0; padding: 0; }
.contents li { margin: 0 0 .8rem; }
.contents a { display: inline-block; text-decoration: none; line-height: 1.65; padding: .12rem 0; }
.contents a:hover { text-decoration: underline; }
main { min-width: 0; }
article { max-width: 49rem; }
.document-header { border-bottom: 1px solid var(--line); padding-bottom: 1rem; margin-bottom: 2rem; }
.platform, .updated { color: var(--muted); font-size: .94rem; }
.platform { margin-bottom: .6rem; }
.updated { margin: 0; }
section { margin-top: 2.6rem; scroll-margin-top: 1.5rem; }
.provider-links { padding-left: 1.3rem; }
.provider-links li { margin-bottom: .6rem; }
.document-footer { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.back-top { display: inline-block; padding: .5rem 0; }
@media (max-width: 56rem) {
  .site-header { padding-inline: 1.25rem; }
  .reading-layout { display: flex; flex-direction: column; gap: 2rem; padding: 2rem 1.25rem 3rem; }
  .contents { position: static; width: 100%; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
  .contents ol { columns: 2; column-gap: 2rem; }
  .contents li { break-inside: avoid; }
}
@media (max-width: 34rem) {
  .contents ol { columns: 1; }
  .site-header { align-items: flex-start; gap: .5rem; }
  .languages { width: 100%; }
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #e5ebee; --muted: #b0bfc7; --link: #8dd0e7; --line: #35424b; --paper: #162027; }
}
@media print {
  @page { margin: 18mm; }
  :root { color-scheme: light; --ink: #000; --muted: #444; --link: #000; --line: #ccc; --paper: #fff; font-size: 10.5pt; line-height: 1.6; }
  .site-header { padding: 0 0 1rem; }
  .languages, .contents, .skip-link, .back-top { display: none; }
  .reading-layout { display: block; padding: 0; max-width: none; }
  article { max-width: none; }
  h1 { font-size: 22pt; }
  h2 { break-after: avoid; font-size: 13pt; }
  p { orphans: 3; widows: 3; }
  section { margin-top: 1.5rem; }
}