:root {
  color-scheme: light;
  --paper: #f1f1f1;
  --ink: #292929;
  --muted: #646464;
  --line: #d5d5d5;
  --white: #fafafa;
  --raised: 9px 9px 24px #00000012, -9px -9px 24px #ffffffdd;
  --pressed: inset 3px 3px 8px #0000000c, inset -3px -3px 8px #ffffffb3;
  --small-shadow: 4px 4px 10px #00000012, -4px -4px 10px #ffffffdf;
  --radius: 16px;
  --page-width: 1200px;
  --font: "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, sans-serif;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  scrollbar-color: #a4a4a4 var(--paper);
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
* { box-sizing: border-box; }
body { margin: 0; font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
body, button, input { font-family: var(--font); }
button, input { font-size: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 5px; }
button { color: inherit; }
button, summary { cursor: pointer; }
button:disabled { cursor: default; }
img, svg { max-width: 100%; }
img { display: block; height: auto; }
svg { width: 20px; height: 20px; flex-shrink: 0; }
::selection { background: #292929; color: #fff; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 5px; }
input { accent-color: var(--ink); caret-color: var(--ink); }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
h1 { font-size: clamp(2.75rem, 5.5vw, 5.1rem); line-height: 1.24; letter-spacing: -.035em; font-weight: 650; }
h2 { font-size: clamp(2rem, 3.8vw, 3.35rem); line-height: 1.32; letter-spacing: -.025em; font-weight: 600; }
h3 { font-size: 1.25rem; line-height: 1.5; font-weight: 600; }
p { max-width: 68ch; }
.container { width: min(var(--page-width), calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 100; top: -100px; left: 24px; padding: 10px 20px; background: var(--ink); color: white; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 30; background: var(--paper); }
.header-inner { height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 28px; border-bottom: 1px solid var(--line); }
.header-inner > .brand { flex-shrink: 0; margin-right: auto; }
.header-inner > .site-nav { order: 2; }
.header-inner > .language-switch { order: 3; }
.header-inner > .menu-toggle { order: 4; }
.language-switch { display: flex; align-items: center; gap: 4px; flex-shrink: 0; font-size: .75rem; line-height: 1.4; }
.language-switch a { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; min-width: 44px; padding: 6px; color: var(--muted); text-decoration: none; }
.language-switch a[aria-current="page"] { color: var(--ink); text-decoration: underline; text-underline-offset: 5px; }
.language-switch a:hover { color: var(--ink); }
.language-switch > span { color: #888; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-size: 1.5rem; line-height: 1; font-weight: 700; letter-spacing: -.03em; }
.brand img { width: 30px; height: 30px; filter: grayscale(1); }
.site-nav { display: flex; gap: 30px; align-items: center; }
.site-nav > a { white-space: nowrap; }
.site-nav a { font-size: .9rem; text-decoration: none; color: var(--muted); }
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="location"]:not(.button) { color: var(--ink); text-decoration: underline; text-underline-offset: 7px; }
.site-nav .button { color: var(--white); font-size: .9rem; padding: 10px 19px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 15px 25px; border: 0; border-radius: 10px; background: var(--ink); color: #fff; font-weight: 500; line-height: 1.5; text-decoration: none; min-height: 48px; transition: background .18s, transform .18s, box-shadow .18s; }
.button:hover { background: #444; transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button.light { background: var(--paper); color: var(--ink); box-shadow: var(--small-shadow); }
.button.light:hover { background: #fafafa; }
.button:disabled { opacity: .65; transform: none; }
.text-link { font-size: .95rem; font-weight: 500; text-decoration: underline; }
.menu-toggle { display: none; border: 0; background: none; padding: 12px; min-height: 44px; }
.section { padding-block: 112px; }
.section-intro { display: flex; justify-content: space-between; align-items: end; gap: 48px; margin-bottom: 52px; }
.section-intro p { flex-basis: 380px; color: var(--muted); }
.muted { color: var(--muted); }
.actions { display: flex; gap: 25px; align-items: center; flex-wrap: wrap; }
.rule { border: 0; border-top: 1px solid var(--line); margin: 0; }
.site-footer { padding-block: 52px 28px; border-top: 1px solid var(--line); }
.footer-top { display: flex; align-items: start; justify-content: space-between; gap: 40px; padding-bottom: 48px; }
.footer-brand p { margin-top: 17px; color: var(--muted); font-size: .9rem; }
.footer-links { display: flex; gap: 34px; flex-wrap: wrap; }
.footer-links a { font-size: .9rem; text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 22px; display: flex; justify-content: space-between; gap: 24px; color: var(--muted); font-size: .8rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
[hidden] { display: none !important; }
@media (min-width: 801px) and (max-width: 1100px) {
  .menu-toggle { display: flex; align-items: center; }
  .site-nav { display: none; position: absolute; top: 88px; left: 0; right: 0; padding: 24px 48px; background: var(--paper); box-shadow: 0 15px 20px #0000000c; }
  .site-nav.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav a { padding: 13px 10px; font-size: 1rem; }
  .site-nav .button { margin-top: 12px; }
}
@media (min-width: 1101px) and (max-width: 1280px) {
  .header-inner { gap: 18px; }
  .site-nav { gap: 20px; }
}
@media (max-width: 800px) {
  .container { width: calc(100% - 40px); }
  .header-inner { height: 72px; gap: 12px; }
  .language-switch { gap: 0; font-size: .7rem; }
  .language-switch a { padding-inline: 4px; }
  .brand { font-size: 1.3rem; }
  .menu-toggle { display: flex; align-items: center; }
  .site-nav { display: none; position: absolute; top: 72px; left: 0; right: 0; padding: 24px; background: var(--paper); box-shadow: 0 15px 20px #0000000c; align-items: stretch; gap: 0; }
  .site-nav.is-open { display: flex; flex-direction: column; }
  .site-nav a { padding: 13px 10px; font-size: 1rem; }
  .site-nav .button { margin-top: 12px; }
  .section { padding-block: 72px; }
  .section-intro { display: block; margin-bottom: 32px; }
  .section-intro p { margin-top: 22px; }
  .footer-top { flex-direction: column; padding-bottom: 32px; }
  .footer-links { gap: 22px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (max-width: 370px) {
  .header-inner { gap: 4px; }
  .header-inner > .brand { font-size: 1.12rem; }
  .header-inner > .brand img { width: 24px; height: 24px; }
}
@media (forced-colors: active) {
  .button { border: 1px solid ButtonText; }
  :focus-visible { outline-color: Highlight; }
}