:root {
  --paper: #f8f7f3;
  --ink: #273b35;
  --muted: #63716b;
  --line: #dcded6;
  --accent: #32654e;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 1rem;
  line-height: 1.95;
  -webkit-font-smoothing: antialiased;
}

.page-container { max-width: 1080px; }
a { color: var(--accent); text-underline-offset: .22em; }
a:hover { color: #1d4733; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; border-radius: 2px; }
.skip-link { position: absolute; top: 8px; left: 16px; background: var(--paper); padding: 8px 16px; z-index: 10; }
.site-header { border-bottom: 1px solid var(--line); }
.brand { color: var(--ink); font-weight: 600; letter-spacing: .04em; }
.brand span { font-family: Georgia, serif; font-weight: 400; margin-left: .5rem; }
html[lang="en"] .brand { font-family: Georgia, serif; font-size: 1.25rem; }
html[lang="en"] h1 { font-family: Georgia, serif; letter-spacing: -.03em; }
.header-link { font-size: .875rem; text-decoration: none; white-space: nowrap; }
.header-link span { margin-left: .4rem; }
.page-heading { padding: 72px 0 52px; }
h1 { font-family: "Songti SC", "Noto Serif CJK SC", serif; font-size: clamp(2.5rem, 6vw, 3.7rem); font-weight: 600; letter-spacing: .04em; margin-bottom: 20px; }
.updated { color: var(--muted); font-size: .875rem; margin-bottom: 28px; }
.intro { font-size: 1.125rem; line-height: 1.9; margin: 0; }
.policy-nav { position: sticky; top: 32px; display: flex; flex-direction: column; border-left: 1px solid var(--line); }
.policy-nav a { font-size: .875rem; text-decoration: none; padding: 5px 0 5px 20px; color: var(--muted); }
.policy-nav a:hover { color: var(--accent); }
.scope { padding-bottom: 28px; border-bottom: 1px solid var(--line); margin-bottom: 0; }
.policy-body section { padding-top: 36px; scroll-margin-top: 24px; }
h2 { display: flex; align-items: baseline; gap: 16px; color: var(--muted); font-family: Georgia, serif; font-size: .875rem; margin-bottom: 18px; }
h2 span { color: var(--ink); font-family: "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 1.25rem; font-weight: 600; }
.policy-body p { margin-bottom: 14px; }
.policy-body strong { font-weight: 600; }
.contact-email { overflow-wrap: anywhere; font-size: 1.0625rem; }
.footer-inner { border-top: 1px solid var(--line); color: var(--muted); font-size: .8125rem; }
.footer-inner a { text-decoration: none; white-space: nowrap; }

@media (max-width: 991.98px) {
  .policy-nav { position: static; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-heading { padding-top: 48px; padding-bottom: 36px; }
}
@media (max-width: 575.98px) {
  .page-container { padding-right: 24px; padding-left: 24px; }
  .brand span { display: none; }
  .intro { font-size: 1rem; }
}
@media print {
  body { background: white; color: black; font-size: 11pt; }
  .site-header, aside, footer, .skip-link { display: none; }
  .page-heading { padding: 0 0 24px; }
  .policy-body { width: 100%; }
  h2 { break-after: avoid; }
  a { color: inherit; }
}
