:root {
  --paper: #f5f3eb;
  --ink: #233c34;
  --muted: #52635a;
  --line: #ccd1c3;
  --accent: #d9e4ba;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 2rem; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 16px; line-height: 1.8; }
a { color: inherit; text-underline-offset: .25em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--ink); outline-offset: 5px; border-radius: 2px; }
.site-shell { width: min(1120px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: absolute; top: 12px; left: 12px; padding: 10px 18px; background: var(--ink); color: var(--paper); transform: translateY(-180%); z-index: 2; }
.skip-link:focus { transform: translateY(0); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-block: 28px; border-bottom: 1px solid var(--line); }
.wordmark { font-family: Georgia, "Times New Roman", serif; font-size: 31px; letter-spacing: .06em; text-decoration: none; line-height: 1; }
.wordmark span { display: block; font-family: "Avenir Next", sans-serif; font-size: 10px; letter-spacing: .35em; margin-top: 10px; }
nav { display: flex; gap: 30px; flex-wrap: wrap; }
nav a { font-size: 13px; text-decoration: none; padding-block: 8px; }
nav a[aria-current="page"] { border-bottom: 2px solid var(--ink); }
nav a:hover { text-decoration: underline; }
nav a span[lang="en"] { margin-left: 4px; }
.hero { padding: 76px 0 50px; max-width: 840px; }
.eyebrow { font-size: 11px; font-weight: 600; letter-spacing: .18em; margin: 0 0 30px; }
h1 { font-family: "Songti SC", "STSong", Georgia, serif; font-weight: 400; font-size: clamp(40px, 6vw, 70px); line-height: 1.25; letter-spacing: -.035em; margin: 0 0 30px; }
h1 > span { display: block; font-family: Georgia, "Times New Roman", serif; font-size: .64em; font-style: italic; letter-spacing: -.035em; margin-top: 16px; }
p { margin: 0 0 10px; }
.translation { color: var(--muted); margin-bottom: 26px; }
.hero > p:not(.eyebrow) { font-size: 18px; }
.scope-strip { display: flex; flex-wrap: wrap; gap: 16px 42px; padding: 20px 26px; background: var(--accent); font-size: 13px; margin-bottom: 56px; }
.content-section { display: grid; grid-template-columns: 100px minmax(0, 1fr); padding: 36px 0; border-top: 1px solid var(--line); }
.section-number { font-family: Georgia, serif; font-size: 18px; color: var(--muted); padding-top: 5px; }
h2 { font-weight: 500; font-size: 23px; line-height: 1.5; margin: 0 0 24px; }
.heading-en { display: block; font-family: Georgia, serif; font-weight: 400; font-size: 20px; color: var(--muted); }
.content-section p { max-width: 790px; }
.content-section .translation:last-child { margin-bottom: 0; }
.topics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.topics article { padding-right: 20px; border-right: 1px solid var(--line); }
.topics article:last-child { border-right: none; padding-right: 0; }
h3 { font-weight: 500; font-size: 20px; margin: 0; }
.topic-en { font-family: Georgia, serif; font-size: 25px; font-style: italic; margin-bottom: 20px; }
.topics p:not(.topic-en) { font-size: 14px; }
.contact { background: var(--ink); color: var(--paper); padding: 34px 40px; margin: 40px 0 64px; }
.contact h2 { margin-bottom: 16px; }
.contact .heading-en, .contact .translation { color: #d6dfcf; }
.contact > a { font-size: clamp(16px, 3vw, 22px); overflow-wrap: anywhere; }
footer { display: flex; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); padding: 24px 0 40px; font-size: 11px; color: var(--muted); }
footer > span { font-family: Georgia, serif; font-size: 17px; color: var(--ink); }
@media (max-width: 700px) {
  .site-shell { width: calc(100% - 40px); }
  .site-header { align-items: flex-start; gap: 24px; }
  nav { gap: 12px; }
  nav a { font-size: 12px; }
  nav a span { display: block; }
  nav a span[lang="en"] { margin-left: 0; }
  .hero { padding: 52px 0 30px; }
  .eyebrow { font-size: 9px; letter-spacing: .1em; }
  .hero > p:not(.eyebrow) { font-size: 16px; }
  .scope-strip { display: grid; gap: 8px; margin-bottom: 36px; }
  .content-section { grid-template-columns: 36px minmax(0, 1fr); padding-block: 28px; }
  .topics { grid-template-columns: 1fr; gap: 24px; }
  .topics article { border-right: none; border-bottom: 1px solid var(--line); padding: 0 0 24px; }
  .topics article:last-child { border-bottom: none; padding-bottom: 0; }
  .topic-en { margin-bottom: 12px; }
  .contact { padding: 26px 24px; margin-block: 24px 40px; }
  footer { flex-wrap: wrap; }
}
@media print {
  body { background: white; color: black; }
  .site-shell { width: 100%; }
  .skip-link, nav { display: none; }
  .hero { padding-block: 24px; }
  .content-section { break-inside: avoid; }
  .contact { background: white; color: black; border: 1px solid; margin-block: 24px; }
  .contact .heading-en, .contact .translation { color: black; }
}