:root {
  color-scheme: dark;
  --background: #101d19;
  --surface: #142820;
  --text: #f0f4ec;
  --secondary: #bdd0c2;
  --line: #416057;
  --accent: #f2c47e;
  font-family: system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--background); color: var(--text); line-height: 1.7; }
a { color: var(--accent); text-underline-offset: .24em; }
a:hover { color: #ffe2ad; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; border-radius: 2px; }
.wrap { width: min(calc(100% - 48px), 1112px); margin-inline: auto; }
.skip { position: absolute; left: 16px; top: 12px; padding: 8px 12px; background: var(--background); transform: translateY(-150%); }
.skip:focus { transform: translateY(0); z-index: 2; }
.site-header, .site-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px 22px; }
.site-header { min-height: 77px; border-bottom: 1px solid var(--line); }
.site-header nav { display: flex; gap: 20px; }
.site-header nav a, .site-footer a { font-size: .91rem; }
.site-header nav a:not([aria-current]) { color: var(--secondary); text-decoration: none; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 690; text-decoration: none; }
.brand-suffix { color: var(--secondary); font-weight: 460; }
.mark { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid var(--accent); color: var(--accent); font-size: 1rem; }
.hero { display: grid; grid-template-columns: 1.08fr .92fr; min-height: 460px; margin-block: 47px 56px; border: 1px solid var(--line); background: var(--surface); }
.hero-copy { align-self: center; padding: clamp(30px, 5vw, 64px); }
.eyebrow, .step, .map-label { color: var(--accent); font: 650 .76rem/1.55 ui-monospace, "SFMono-Regular", monospace; letter-spacing: .12em; }
.eyebrow { margin-block: 0 18px; }
h1, h2, h3 { margin: 0; line-height: 1.25; font-weight: 720; }
.hero h1 { font-size: clamp(2.75rem, 6.6vw, 5rem); letter-spacing: -.055em; }
.intro { color: var(--secondary); font-size: 1.08rem; }
.hero .intro { max-width: 29rem; margin: 22px 0; }
.hero-links { display: flex; flex-wrap: wrap; gap: 9px 24px; }
.hero-links a { font-weight: 650; }
.map { position: relative; display: grid; align-items: stretch; min-height: 350px; overflow: hidden; border-left: 1px solid var(--line); background: #193329; }
.map svg { width: 100%; height: 100%; }
.map-label { position: absolute; bottom: 16px; right: 18px; background: var(--surface); padding: 6px 10px; }
.channels { margin-bottom: 45px; }
.channels ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 0; margin: 16px 0 0; list-style: none; }
.channels a { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 11px 15px; border: 1px solid var(--line); color: var(--text); text-decoration: none; }
.channels a:hover { background: var(--surface); border-color: var(--accent); }
.channels a span:last-child { color: var(--accent); }
.workflow { margin-bottom: 62px; }
.workflow h2, .channels h2 { font-size: clamp(1.35rem, 2.4vw, 1.75rem); }
.workflow ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding: 0; margin: 23px 0 0; list-style: none; }
.workflow li { padding: 16px 10px 0 0; border-top: 1px solid var(--line); }
.workflow h3 { font-size: 1.13rem; margin-top: 7px; }
.workflow p { color: var(--secondary); margin-bottom: 0; }
.policy { max-width: 740px; margin: 58px auto 66px; }
.policy h1 { font-size: clamp(2.45rem, 5vw, 3.75rem); letter-spacing: -.04em; }
.policy h2 { font-size: 1.3rem; }
.policy section { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); }
.policy p, .policy li { overflow-wrap: anywhere; }
.policy section p, .policy li { color: var(--secondary); }
.policy ul { padding-left: 1.4rem; }
.policy li + li { margin-top: .5rem; }
.site-footer { padding-block: 20px 27px; border-top: 1px solid var(--line); font-size: .9rem; }
.muted { color: var(--secondary); }
@media (max-width: 710px) {
  .wrap { width: min(calc(100% - 30px), 1112px); }
  .site-header { padding-block: 12px; }
  .site-header nav { gap: 15px; }
  .hero { grid-template-columns: 1fr; margin-block: 25px 35px; }
  .hero-copy { padding: 30px 24px 29px; }
  .map { min-height: 210px; height: 245px; border-left: 0; border-top: 1px solid var(--line); }
  .channels { margin-bottom: 35px; }
  .channels ul { grid-template-columns: 1fr; gap: 8px; }
  .workflow ol { grid-template-columns: 1fr; gap: 17px; }
  .workflow { margin-bottom: 36px; }
  .policy { margin-block: 35px 45px; }
}