:root {
  color-scheme: light dark;
  --blue: #0064d6;
  --accent: #007aff;
  --ink: #172439;
  --muted: #53627a;
  --paper: #fff;
  --surface: #f4f7fb;
  --line: #dce4ef;
  --tint: #eaf3ff;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 2rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.8 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--blue); text-underline-offset: .2em; overflow-wrap: anywhere; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; border-radius: 2px; }
.skip { position: absolute; top: -6rem; left: 1rem; z-index: 10; padding: .6rem 1rem; background: var(--paper); }
.skip:focus { top: 1rem; }
.shell { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 108px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .7rem; color: var(--ink); text-decoration: none; font-size: 1.2rem; font-weight: 720; letter-spacing: -.035em; }
.brand img { width: 36px; height: 36px; }
nav { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; font-size: .86rem; }
nav a { text-decoration: none; color: var(--muted); }
nav a[aria-current="page"] { color: var(--blue); font-weight: 650; }
.language { color: var(--blue); padding-left: 1.5rem; border-left: 1px solid var(--line); }
.hero { padding: 92px 0 76px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 5rem; align-items: center; }
.eyebrow { margin: 0 0 1rem; color: var(--blue); font-size: .76rem; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.2; text-wrap: balance; }
h1 { margin: 0 0 1.4rem; font-size: clamp(2.5rem, 5.8vw, 4.5rem); font-weight: 740; letter-spacing: -.055em; }
.hero p { color: var(--muted); max-width: 34rem; }
.hero .status { display: inline-block; margin-top: 1.2rem; padding: .35rem .9rem; color: var(--blue); background: var(--tint); border-radius: 99px; font-size: .84rem; font-weight: 600; }
.format-card { padding: 2rem; border: 1px solid var(--line); border-radius: 24px; background: var(--surface); }
.format-card .card-label { font-size: .75rem; font-weight: 650; letter-spacing: .09em; text-transform: uppercase; margin: 0 0 1.2rem; }
.format-list { display: flex; flex-wrap: wrap; gap: .7rem; }
.format-list span { display: block; padding: .55rem 1rem; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); font-size: 1.15rem; font-weight: 700; letter-spacing: -.03em; }
.format-card .note { margin: 1.4rem 0 0; font-size: .85rem; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; padding: 0 0 64px; }
.features h2 { margin: 0 0 .7rem; font-size: 1.2rem; letter-spacing: -.025em; }
.features p { margin: 0; color: var(--muted); font-size: .92rem; }
.support { border-top: 1px solid var(--line); padding: 44px 0 52px; }
.support h2 { margin: 0 0 .8rem; font-size: 1.5rem; }
.support p { margin: .4rem 0; max-width: 50rem; color: var(--muted); }
.document-heading { padding: 64px 0 32px; }
.document-heading h1 { font-size: clamp(2.4rem, 5vw, 3.5rem); }
.document-heading .meta { color: var(--muted); font-size: .86rem; }
.document-grid { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 4rem; padding-bottom: 64px; align-items: start; }
.contents { border-top: 2px solid var(--accent); padding-top: 1rem; }
.contents h2 { font-size: .82rem; margin: 0 0 .9rem; }
.contents ol { list-style: none; margin: 0; padding: 0; font-size: .8rem; line-height: 1.6; }
.contents li + li { margin-top: .65rem; }
.contents a { color: var(--muted); text-decoration: none; }
article { max-width: 760px; min-width: 0; }
article > p:first-child { margin-top: 0; }
article h2 { font-size: 1.35rem; letter-spacing: -.025em; margin: 2.4rem 0 .8rem; }
article p { margin: .8rem 0; }
article ul { padding-left: 1.3rem; }
article li + li { margin-top: .55rem; }
.callout { padding: 1rem 1.25rem; background: var(--tint); border-left: 3px solid var(--accent); border-radius: 0 12px 12px 0; }
.callout p { margin: .25rem 0; }
.table-scroll { overflow-x: auto; margin-block: 1.2rem; }
table { width: 100%; border-collapse: collapse; font-size: .86rem; line-height: 1.6; }
th, td { padding: .85rem; border: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: var(--surface); font-weight: 650; }
.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem 2rem; padding: 28px 0 36px; border-top: 1px solid var(--line); color: var(--muted); font-size: .76rem; }
.site-footer p { margin: 0; }
.site-footer a { color: var(--muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.error-page { padding-block: 80px; min-height: 50vh; }
@media (max-width: 820px) {
  .shell { width: min(100% - 40px, 680px); }
  .site-header { min-height: 94px; flex-wrap: wrap; padding-block: 22px; gap: 1rem; }
  nav { gap: 1rem; font-size: .78rem; }
  .language { padding-left: 1rem; }
  .hero { padding: 56px 0 44px; grid-template-columns: 1fr; gap: 2rem; }
  .format-card { padding: 1.5rem; }
  .features { grid-template-columns: 1fr; gap: 1.8rem; padding-bottom: 44px; }
  .document-heading { padding-top: 44px; }
  .document-grid { grid-template-columns: 1fr; gap: 2rem; }
  .contents ol { display: flex; flex-wrap: wrap; gap: .5rem 1.1rem; }
  .contents li + li { margin-top: 0; }
}
@media (prefers-color-scheme: dark) {
  :root { --blue: #73b5ff; --accent: #0a84ff; --ink: #e9f0fa; --muted: #a9b8ce; --paper: #101823; --surface: #172332; --line: #2b3b50; --tint: #142c48; }
}
@media print {
  :root { color-scheme: light; --paper: #fff; --ink: #000; --muted: #333; --line: #ccc; --tint: #f4f4f4; --blue: #000; }
  body { font-size: 11pt; }
  .shell { width: 100%; }
  .site-header, .contents, .site-footer, .skip { display: none; }
  .document-grid { display: block; }
  .document-heading { padding-top: 0; }
  article { max-width: none; }
  article h2 { break-after: avoid; }
  .table-scroll { overflow: visible; }
}