:root {
  color-scheme: light;
  --ink: #173a30;
  --ink-soft: #526a61;
  --ink-muted: #74877f;
  --jade: #286c53;
  --jade-deep: #174b3b;
  --paper: #fffffb;
  --paper-soft: #f8fbf6;
  --line: rgba(52, 91, 76, .22);
  --line-strong: rgba(42, 89, 70, .38);
  --font-ui: -apple-system, BlinkMacSystemFont, system-ui, "PingFang SC", "PingFang TC", sans-serif;
}

* { box-sizing: border-box; }

html {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.7;
  scroll-behavior: smooth;
}

body { margin: 0; }

::selection {
  background: rgba(40, 108, 83, .18);
  color: var(--jade-deep);
}

a {
  color: var(--jade-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: .2em;
}

a:focus-visible {
  border-radius: 4px;
  outline: 3px solid rgba(40, 108, 83, .34);
  outline-offset: 3px;
}

.skip-link {
  background: var(--jade-deep);
  color: #fff;
  inset-block-start: 8px;
  inset-inline-start: 8px;
  padding: 10px 14px;
  position: fixed;
  transform: translateY(-160%);
  z-index: 10;
}

.skip-link:focus { transform: translateY(0); }

.page-frame {
  inline-size: min(calc(100% - 40px), 72rem);
  margin-inline: auto;
}

.site-header {
  background: rgba(255, 255, 251, .96);
  border-block-end: 1px solid var(--line);
}

.header-inner {
  align-items: center;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  min-block-size: 72px;
}

.brand {
  color: var(--jade-deep);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .08em;
}

.language-nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  justify-content: flex-end;
  font-size: .875rem;
}

.language-nav a {
  align-items: center;
  display: inline-flex;
  min-block-size: 44px;
  text-decoration: none;
}

.language-nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

main.page-frame { padding-block: 64px 88px; }

.document,
.support {
  inline-size: min(100%, 72ch);
  margin-inline: auto;
}

.document-header,
.support-header {
  border-block-end: 1px solid var(--line-strong);
  margin-block-end: 40px;
  padding-block-end: 32px;
}

h1,
h2,
p { margin-block-start: 0; }

h1 {
  color: var(--jade-deep);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 600;
  letter-spacing: -.025em;
  line-height: 1.18;
  margin-block-end: 12px;
}

.document-header > p:not(.effective-date),
.support-header > p {
  color: var(--ink-soft);
  font-size: 1.0625rem;
  line-height: 1.78;
  margin-block-end: 12px;
}

.effective-date {
  color: var(--ink-muted);
  font-size: .8125rem;
  margin-block-end: 24px;
}

.document-section {
  border-block-end: 1px solid var(--line);
  padding-block: 0 32px;
}

.document-section + .document-section { padding-block-start: 32px; }

h2 {
  color: var(--jade-deep);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
  margin-block-end: 12px;
}

.document-section p,
.support-guidance p {
  color: var(--ink-soft);
  font-weight: 400;
  margin-block-end: 12px;
  overflow-wrap: anywhere;
}

.contact-list {
  border-block: 1px solid var(--line-strong);
  margin: 0 0 40px;
}

.contact-list > div {
  align-items: baseline;
  display: grid;
  gap: 8px 24px;
  grid-template-columns: minmax(8rem, .38fr) minmax(0, 1fr);
  padding-block: 20px;
}

.contact-list > div + div { border-block-start: 1px solid var(--line); }
.contact-list dt { color: var(--ink-soft); font-weight: 500; }
.contact-list dd { color: var(--jade-deep); font-weight: 600; margin: 0; overflow-wrap: anywhere; }

.support-guidance {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
}

.support-guidance p:last-child { margin-block-end: 0; }

.site-footer {
  border-block-start: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: .8125rem;
  padding-block: 24px 40px;
}

.site-footer p {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  margin: 0;
}

@media (max-width: 640px) {
  .page-frame { inline-size: min(calc(100% - 32px), 72rem); }
  .header-inner { align-items: flex-start; flex-direction: column; gap: 0; justify-content: center; padding-block: 10px; }
  .language-nav { justify-content: flex-start; }
  main.page-frame { padding-block: 40px 64px; }
  .document-header, .support-header { margin-block-end: 32px; padding-block-end: 24px; }
  .contact-list > div { grid-template-columns: 1fr; }
  .support-guidance { padding: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

@media (forced-colors: active) {
  a:focus-visible { outline-color: Highlight; }
  .document-section, .contact-list, .support-guidance, .site-footer, .site-header { border-color: CanvasText; }
}

@media print {
  .skip-link, .language-nav { display: none; }
  .page-frame, .document, .support { inline-size: 100%; }
  .site-header { border-block-end: 1px solid #000; }
  main.page-frame { padding-block: 24px; }
  .site-footer { padding-block: 16px 0; }
}