:root {
  color-scheme: light;
  --ink: #17191d;
  --muted: #5a6270;
  --line: #e3e7ed;
  --paper: #ffffff;
  --background: #f5f7fa;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--background); color: var(--ink); font-size: 16px; line-height: 1.85; }
a { color: inherit; text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { color: #355dd9; }
a:focus-visible, summary:focus-visible { outline: 3px solid #355dd9; outline-offset: 5px; border-radius: 3px; }
.skip-link { position: absolute; top: -100px; left: 20px; padding: 8px 16px; background: var(--paper); z-index: 2; }
.skip-link:focus { top: 12px; }
.site-header { background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner, main, .footer-inner { width: min(920px, calc(100% - 40px)); margin-inline: auto; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 88px; padding-block: 16px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 21px; font-weight: 750; text-decoration: none; white-space: nowrap; }
.brand img { width: 44px; height: 44px; border-radius: 10px; }
nav { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 14px; }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"] { color: var(--ink); font-weight: 700; text-decoration: underline; }
main { padding-block: 52px 64px; }
.eyebrow { color: var(--muted); font-size: 12px; font-weight: 650; letter-spacing: .15em; margin: 0 0 12px; }
h1 { margin: 0 0 18px; font-size: clamp(30px, 5vw, 44px); line-height: 1.3; letter-spacing: -.025em; }
.lead { margin: 0; max-width: 720px; color: var(--muted); font-size: 17px; }
.meta { display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--muted); font-size: 13px; margin: 22px 0 0; }
.document, .contact-card { margin-top: 32px; padding: clamp(22px, 4vw, 40px); background: var(--paper); border: 1px solid var(--line); border-radius: 18px; }
.document h2 { font-size: 20px; line-height: 1.5; margin: 32px 0 12px; }
.document h2:first-child { margin-top: 0; }
.document p { margin: 0 0 14px; }
.document p:last-child { margin-bottom: 0; }
ul, ol { padding-left: 24px; margin-block: 12px 20px; }
li { padding-left: 3px; margin-block: 7px; }
.notice { background: #f0f3f8; border-left: 3px solid #697586; padding: 16px 20px; border-radius: 0 10px 10px 0; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.card { display: block; padding: 26px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); text-decoration: none; }
.card:hover { border-color: #8798cb; }
.card h2 { font-size: 20px; margin: 0 0 10px; }
.card p { color: var(--muted); font-size: 14px; margin: 0 0 18px; }
.card span { font-size: 14px; font-weight: 650; }
.contact-card h2 { font-size: 22px; margin: 0 0 12px; }
.contact-card p { margin: 0 0 12px; }
.contact-card p:last-child { margin-bottom: 0; }
.email { font-size: clamp(18px, 4vw, 24px); font-weight: 650; overflow-wrap: anywhere; }
.muted { color: var(--muted); }
details { border-top: 1px solid var(--line); padding-block: 18px; }
details:last-child { padding-bottom: 0; }
summary { cursor: pointer; font-weight: 650; line-height: 1.6; }
details p { margin-top: 14px !important; color: var(--muted); }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-block: 26px; font-size: 13px; color: var(--muted); }
.footer-inner p { margin: 0; }
@media (max-width: 640px) {
  .header-inner, main, .footer-inner { width: calc(100% - 32px); }
  .header-inner { align-items: flex-start; flex-direction: column; gap: 14px; }
  nav { gap: 8px 20px; }
  main { padding-block: 36px 44px; }
  .cards { grid-template-columns: 1fr; gap: 12px; }
  .card { padding: 22px; }
}
@media print {
  body { background: white; font-size: 11pt; }
  .site-header, .site-footer, .skip-link { display: none; }
  main { width: 100%; padding: 0; }
  .document, .contact-card { border: 0; padding: 0; }
  h2 { break-after: avoid; }
  a { color: inherit; }
}