:root {
  color-scheme: light;
  --ink: #172d27;
  --muted: #53645e;
  --green: #00794f;
  --green-dark: #005b3c;
  --pale: #edf7f1;
  --line: #dce6df;
  --paper: #fff;
  --ground: #f6f8f6;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 24px; }
body { margin: 0; background: var(--ground); color: var(--ink); font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.85; -webkit-font-smoothing: antialiased; }
::selection { background: #c7ead5; color: #123c2a; }
a { color: var(--green); text-underline-offset: 4px; text-decoration-thickness: 1px; overflow-wrap: anywhere; }
a:hover { color: var(--green-dark); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--green); outline-offset: 5px; border-radius: 3px; }
img { display: block; max-width: 100%; }
.skip { position: absolute; top: -100px; left: 20px; padding: 10px 16px; background: white; z-index: 10; }
.skip:focus { top: 10px; }
.header { background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { max-width: 1120px; margin: auto; padding: 18px 32px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); font-size: 20px; font-weight: 650; white-space: nowrap; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.brand span { font-size: 12px; font-weight: 400; color: var(--muted); padding-left: 3px; }
.nav { display: flex; align-items: center; gap: 24px; font-size: 14px; }
.nav a { color: var(--muted); text-decoration: none; padding: 6px 0; }
.nav a[aria-current="page"] { color: var(--green); text-decoration: underline; }
main { max-width: 1120px; margin: 0 auto; padding: 52px 32px 80px; }
h1, h2, h3 { color: var(--ink); line-height: 1.45; font-weight: 650; text-wrap: balance; }
h1 { font-size: clamp(28px, 3.6vw, 42px); letter-spacing: -.025em; margin: 0 0 20px; }
h2 { font-size: 22px; margin: 38px 0 12px; }
h3 { font-size: 18px; margin: 24px 0 8px; }
p { margin: 0 0 16px; }
ul, ol { padding-left: 1.4em; margin: 12px 0 20px; }
li { padding-left: 3px; margin: 8px 0; }
.intro { color: var(--muted); max-width: 40em; font-size: 18px; }
.hero { padding: 26px 0 44px; border-bottom: 1px solid var(--line); }
.hero h1 { max-width: 17em; font-size: clamp(34px, 4.6vw, 52px); }
.hero .company { font-size: 15px; margin: 28px 0 0; color: var(--muted); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 9px 20px; background: var(--green); color: white; text-decoration: none; border-radius: 8px; font-size: 15px; font-weight: 600; }
.button:hover { color: white; background: var(--green-dark); }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; margin-top: 26px; }
.home-body { display: grid; grid-template-columns: 1.4fr 1fr; gap: 72px; }
.home-body h2 { margin-top: 36px; }
.resource-list { margin: 0; padding: 0; list-style: none; }
.resource-list li { margin: 0; padding: 16px 0; border-bottom: 1px solid var(--line); }
.resource-list a { font-weight: 600; }
.resource-list p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.home-aside { padding-top: 4px; }
.home-aside p { color: var(--muted); }
.document { background: var(--paper); max-width: 850px; padding: 44px 54px 56px; margin: 0 auto; border: 1px solid var(--line); border-radius: 12px; }
.document .meta { font-size: 14px; color: var(--muted); margin-bottom: 22px; }
.notice { background: var(--pale); color: #265e43; padding: 14px 18px; border-radius: 8px; margin-bottom: 26px; font-size: 14px; }
.toc { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 15px 0; margin: 26px 0; display: flex; gap: 10px 20px; flex-wrap: wrap; font-size: 14px; }
.facts { margin: 18px 0 26px; }
.facts dt { color: var(--muted); font-size: 14px; margin: 16px 0 4px; }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.service { border-top: 1px solid var(--line); padding-top: 4px; margin-top: 28px; }
.service h2 { margin-top: 24px; }
.table-wrap { width: 100%; overflow-x: auto; margin: 20px 0; }
table { width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; }
th, td { padding: 14px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--pale); color: #265e43; font-weight: 600; }
td:first-child { min-width: 100px; font-weight: 600; }
code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .88em; overflow-wrap: anywhere; }
details { border-bottom: 1px solid var(--line); padding: 17px 0; }
summary { cursor: pointer; font-weight: 600; }
details p { margin: 12px 0 0; color: var(--muted); }
.footer { border-top: 1px solid var(--line); max-width: 1056px; margin: 0 auto; padding: 26px 0 36px; color: var(--muted); font-size: 13px; display: flex; justify-content: space-between; gap: 20px; }
.footer p { margin: 0; }
.footer nav { display: flex; align-items: flex-start; flex-wrap: wrap; gap: 8px 20px; }
@media (max-width: 720px) {
  .header-inner { padding: 15px 20px; gap: 12px; flex-wrap: wrap; }
  .nav { gap: 20px; width: 100%; }
  main { padding: 28px 20px 48px; }
  .hero { padding: 12px 0 32px; }
  .home-body { grid-template-columns: 1fr; gap: 0; }
  .document { padding: 27px 22px 34px; }
  .document h1 { font-size: 29px; }
  .document h2 { font-size: 21px; }
  .footer { margin: 0 20px; flex-direction: column; }
  th, td { padding: 12px 9px; }
}
@media (max-width: 400px) {
  main { padding: 24px 12px 40px; }
  .document { padding: 24px 18px 32px; }
  .header-inner { padding-inline: 18px; }
  .brand span { display: none; }
}
@media print {
  body { background: white; color: black; }
  .header, .footer, .skip, .toc { display: none; }
  main, .document { max-width: none; padding: 0; border: none; }
  h2, h3 { break-after: avoid; }
  a { color: black; }
}