:root {
  color-scheme: light;
  --page: #f5f6f8;
  --paper: #fff;
  --text: #1d2430;
  --muted: #596579;
  --line: #dfe4ec;
  --blue: #075cca;
  --tint: #edf4ff;
  --radius: 18px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 1.5rem; }
body { margin: 0; color: var(--text); background: var(--page); font-size: 16px; line-height: 1.8; overflow-wrap: anywhere; }
a { color: var(--blue); text-underline-offset: .2em; overflow-wrap: anywhere; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
[hidden] { display: none !important; }
.skip-link { position: absolute; top: -100px; left: 1rem; z-index: 1; padding: .6rem 1rem; background: var(--paper); }
.skip-link:focus { top: 1rem; }
.site-header, main, .site-footer { width: min(100% - 40px, 900px); margin-inline: auto; }
.site-header { padding-block: 24px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); }
.brand { color: var(--text); text-decoration: none; font-size: 1.12rem; font-weight: 700; letter-spacing: -.02em; }
.brand span { color: var(--muted); font-weight: 500; margin-left: .4em; }
.site-nav { display: flex; flex-wrap: wrap; min-width: 0; gap: 4px; }
.site-nav a { display: inline-flex; align-items: center; min-height: 44px; padding: .3rem .7rem; border-radius: 10px; text-decoration: none; }
.site-nav [aria-current="page"] { background: var(--tint); font-weight: 600; }
main { padding-block: 42px 56px; }
.eyebrow { margin: 0 0 8px; color: var(--blue); font-size: .88rem; font-weight: 650; letter-spacing: .06em; }
h1 { margin: 0 0 16px; font-size: clamp(2rem, 5vw, 2.8rem); line-height: 1.25; letter-spacing: -.035em; }
h2 { margin: 0 0 16px; font-size: 1.35rem; line-height: 1.45; letter-spacing: -.015em; }
h3 { margin: 0 0 8px; font-size: 1rem; }
p { margin: 0 0 14px; }
p:last-child { margin-bottom: 0; }
.lede { max-width: 43em; color: var(--muted); font-size: 1.08rem; }
.meta { color: var(--muted); font-size: .88rem; margin-block: 18px 26px; }
.notice { background: var(--tint); border-left: 3px solid var(--blue); padding: 16px 20px; border-radius: 0 12px 12px 0; margin-block: 24px; }
.notice p { font-size: .95rem; }
.toc { margin: 26px 0 32px; padding: 20px 24px; border: 1px solid var(--line); border-radius: var(--radius); }
.toc h2 { font-size: .95rem; margin-bottom: 10px; }
.toc ul { display: flex; flex-wrap: wrap; gap: 6px 24px; list-style: none; padding: 0; margin: 0; }
.toc a { display: inline-block; padding-block: 5px; }
.section { padding: 28px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); margin-block: 18px; }
.summary-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-block: 26px; }
.summary-card { padding: 20px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.summary-card p { color: var(--muted); font-size: .92rem; }
.flow-list { margin: 0; }
.flow-list > div { padding-block: 18px; border-top: 1px solid var(--line); }
.flow-list > div:first-child { padding-top: 0; border-top: 0; }
dt { font-weight: 650; margin-bottom: 5px; }
dd { margin: 0; color: var(--muted); }
ul, ol { padding-left: 1.45rem; margin-block: 12px; }
li + li { margin-top: 8px; }
.muted, .caption { color: var(--muted); }
.caption { font-size: .9rem; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; overflow-wrap: anywhere; }
.faq { border-top: 1px solid var(--line); padding-block: 5px; }
.faq:first-of-type { border-top: 0; }
summary { cursor: pointer; font-weight: 650; padding: 15px 2px; }
.faq > div { padding: 0 2px 18px; }
.contact-link { display: inline-block; font-weight: 600; padding-block: 8px; }
.contact-link[aria-disabled="true"] { color: var(--muted); text-decoration: none; }
.config-status { color: var(--muted); font-size: .9rem; }
.retry { font: inherit; font-size: .9rem; min-height: 44px; margin-top: 12px; padding: .35rem .85rem; color: var(--blue); background: var(--paper); border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.site-footer { padding-block: 24px 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: .88rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 8px; }
@media (max-width: 620px) {
  .site-header, main, .site-footer { width: min(100% - 32px, 900px); }
  .site-header { padding-block: 16px; align-items: flex-start; gap: 10px; }
  .brand span { display: block; margin: 0; font-size: .8rem; }
  .site-nav a { padding-inline: .55rem; font-size: .92rem; }
  main { padding-top: 30px; }
  .section { padding: 22px 20px; }
  .summary-grid { grid-template-columns: 1fr; gap: 10px; }
  .summary-card { padding: 18px 20px; }
  .toc { padding: 18px 20px; }
}
@media print {
  body { background: #fff; color: #000; }
  .site-header, main, .site-footer { width: 100%; }
  .site-nav, .toc, .retry, .skip-link { display: none; }
  .section, .summary-card { break-inside: avoid; }
}