:root {
  color-scheme: light;
  --paper: #faf9f6;
  --ink: #252529;
  --muted: #66646b;
  --line: #dedbd6;
  --accent: #54458a;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  -webkit-text-size-adjust: 100%;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: var(--accent); text-underline-offset: .22em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; border-radius: 2px; }
.skip-link { position: absolute; top: -80px; left: 24px; padding: 12px 18px; background: var(--ink); color: white; z-index: 2; }
.skip-link:focus { top: 12px; }
.shell { max-width: 1120px; margin: 0 auto; padding: 0 48px; }
.site-header { min-height: 106px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.identity { flex-shrink: 0; display: flex; align-items: center; gap: 18px; }
.brand { display: flex; width: 48px; height: 48px; align-items: center; justify-content: center; background: var(--ink); border-radius: 50%; }
.brand img { width: 42px; height: 42px; display: block; }
.wordmark { white-space: nowrap; color: var(--ink); font-size: 20px; font-weight: 650; letter-spacing: -.04em; text-decoration: none; }
.header-nav { display: flex; align-items: center; gap: 24px; font-size: 14px; }
.header-nav a { display: inline-flex; align-items: center; min-height: 44px; }
.hero { padding: 72px 0 44px; }
.eyebrow { margin: 0 0 20px; color: var(--accent); font-size: 12px; font-weight: 650; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(38px, 6vw, 64px); font-weight: 550; letter-spacing: -.055em; line-height: 1.13; }
.lede { max-width: 610px; margin: 22px 0 0; color: var(--muted); font-size: 18px; line-height: 1.75; }
.effective { margin: 22px 0 0; font-size: 13px; color: var(--muted); }
.policy-layout { display: grid; grid-template-columns: 216px minmax(0, 1fr); column-gap: 64px; align-items: start; padding-bottom: 72px; }
.contents { position: sticky; top: 32px; padding-top: 10px; }
.contents h2 { margin: 0 0 16px; color: var(--muted); font-size: 11px; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; }
.contents ol { list-style: none; padding: 0; margin: 0; }
.contents a { display: block; padding: 9px 0; color: var(--muted); font-size: 13px; line-height: 1.5; text-decoration: none; }
.contents a:hover { color: var(--accent); text-decoration: underline; }
.policy-body section { padding: 30px 0; border-top: 1px solid var(--line); scroll-margin-top: 30px; }
.policy-body section:first-child { padding-top: 6px; border-top: 0; }
h2 { margin: 0 0 14px; font-size: 21px; font-weight: 600; letter-spacing: -.025em; line-height: 1.4; }
p, li { font-size: 16px; line-height: 1.85; }
.policy-body p { margin: 0 0 16px; }
.policy-body p:last-child { margin-bottom: 0; }
.contact-card { padding: 32px; background: #eeebf5; border-radius: 16px; margin: 0 0 42px; }
.contact-card .eyebrow { margin-bottom: 10px; }
.email-link { display: inline-block; max-width: 100%; font-size: clamp(21px, 4vw, 34px); font-weight: 550; letter-spacing: -.03em; overflow-wrap: anywhere; }
.contact-card p:last-child { color: var(--muted); margin-bottom: 0; font-size: 14px; }
.support-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 60px; padding-bottom: 56px; }
.support-columns section { scroll-margin-top: 30px; }
.support-columns h2 { font-size: 26px; }
.support-columns h3 { font-size: 17px; margin: 28px 0 8px; }
.support-columns p { margin: 0 0 16px; }
.support-columns ul { padding-left: 22px; margin: 12px 0 20px; }
.support-columns li { margin: 7px 0; }
.small { color: var(--muted); font-size: 14px; }
.site-footer { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 28px 0 36px; border-top: 1px solid var(--line); color: var(--muted); }
.site-footer p, .site-footer a { font-size: 13px; margin: 0; line-height: 1.8; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 10px 20px; }
:lang(zh-Hans) h1 { letter-spacing: -.035em; }
@media (max-width: 760px) {
  .shell { padding: 0 24px; }
  .site-header { min-height: 86px; gap: 16px; }
  .identity { gap: 12px; }
  .brand { width: 40px; height: 40px; }
  .brand img { width: 35px; height: 35px; }
  .wordmark { font-size: 18px; }
  .header-nav { gap: 18px; font-size: 13px; }
  .hero { padding: 44px 0 34px; }
  .lede { font-size: 16px; }
  .policy-layout { display: block; padding-bottom: 36px; }
  .contents { position: static; border-top: 1px solid var(--line); padding: 24px 0; margin-bottom: 16px; }
  .contents ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 20px; }
  .contents a { min-height: 44px; }
  .policy-body section { padding: 25px 0; }
  .contact-card { padding: 24px; margin-bottom: 32px; }
  .support-columns { grid-template-columns: 1fr; gap: 28px; padding-bottom: 32px; }
  .support-columns section + section { border-top: 1px solid var(--line); padding-top: 30px; }
}
@media (max-width: 520px) {
  .site-header { flex-wrap: wrap; gap: 0; padding: 20px 0 10px; }
  .header-nav { flex-basis: 100%; margin-top: 8px; }
}
@media (max-width: 360px) {
  .shell { padding: 0 18px; }
  .header-nav { gap: 12px; }
  .identity { gap: 9px; }
}
@media print {
  :root { background: white; color: black; }
  .shell { max-width: none; padding: 0; }
  .site-header, .contents, .site-footer, .skip-link { display: none; }
  .hero { padding-top: 0; }
  h1 { font-size: 32px; }
  .policy-layout, .support-columns { display: block; }
  h2, h3 { break-after: avoid; }
  a { color: inherit; }
}
