:root {
  --paper: #f7f6f0;
  --ink: #252f29;
  --muted: #626b63;
  --green: #405d4b;
  --soft: #eaece3;
  --line: #d6d9cf;
  --serif: Georgia, 'Times New Roman', 'Songti SC', 'Noto Serif CJK SC', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 2rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
::selection { color: var(--ink); background: #d9e1ce; }
a { color: inherit; text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { color: var(--green); }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible { outline: 2px solid var(--green); outline-offset: 5px; }
button, input { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; height: auto; }
[hidden] { display: none !important; }
h1, h2, h3, p, blockquote { margin: 0; }
.shell { width: min(1120px, calc(100% - 96px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -6rem; left: 1rem; z-index: 20; padding: .6rem 1rem; background: var(--ink); color: var(--paper); }
.skip-link:focus { top: 1rem; }
.site-header { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.wordmark { font: bold 28px/1 var(--serif); letter-spacing: -.055em; text-decoration: none; white-space: nowrap; }
.wordmark-dot { color: var(--green); }
.site-nav { display: flex; gap: 30px; align-items: center; font-size: 13px; }
.site-nav a { text-decoration: none; padding: .35rem 0; white-space: nowrap; }
.site-nav a[aria-current] { border-bottom: 1px solid var(--green); color: var(--green); }
.site-nav .nav-external { color: var(--muted); }
.site-nav { margin-left: auto; }
.language-switch { display: inline-flex; align-items: stretch; border: 1px solid var(--line); flex-shrink: 0; font: 11px/1.4 var(--sans); }
.language-switch a { display: flex; align-items: center; justify-content: center; min-width: 37px; min-height: 32px; padding: 6px 8px; text-decoration: none; }
.language-switch a[aria-current] { background: var(--green); color: var(--paper); }
.language-switch a:hover:not([aria-current]) { background: var(--soft); }
.translation-note { color: var(--muted); font-size: 11px; margin-top: 18px; }
.translation-note a { color: var(--green); margin-left: 5px; }
html:lang(zh-CN) .intro-main h1 { letter-spacing: .01em; line-height: 1.4; font-size: clamp(44px, 5.5vw, 68px); }
html:lang(zh-CN) .intro-main h1 em { font-style: normal; }
html:lang(zh-CN) .intro-translation { letter-spacing: .01em; font-family: var(--serif); font-style: italic; }
html:lang(zh-CN) .intro-note .note-label { font-style: normal; }
html:lang(zh-CN) .prose h2 { letter-spacing: .02em; }
.eyebrow { display: block; color: var(--green); font-size: 10px; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; }
.small-mark { display: inline-block; width: 7px; height: 7px; background: var(--green); border-radius: 50%; margin-right: 9px; }
.home-intro { display: grid; grid-template-columns: minmax(0, 2.2fr) minmax(0, 1fr); gap: 80px; padding: 82px 0 86px; align-items: center; }
.intro-main h1 { font: normal clamp(50px, 5.8vw, 78px)/1.08 var(--serif); letter-spacing: -.055em; margin: 24px 0 20px; }
.intro-main h1 em { font-weight: normal; color: var(--green); }
.intro-translation { color: var(--green); font-size: 16px; letter-spacing: .08em; }
.intro-copy { max-width: 520px; color: var(--muted); font-size: 16px; line-height: 1.85; margin: 24px 0; }
.intro-copy a { color: var(--ink); }
.text-link { display: inline-flex; align-items: center; gap: 22px; color: var(--green); font-size: 13px; font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--green); padding-bottom: 5px; }
.text-link span { font-size: 18px; line-height: 1; transition: transform .16s ease; }
.text-link:hover span { transform: translate(2px, -2px); }
.intro-note { border-left: 1px solid var(--line); padding: 16px 0 12px 32px; }
.author-portrait { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; margin-bottom: 25px; }
.note-label { color: var(--green); font: italic 20px/1.4 var(--serif); margin-bottom: 18px; }
.intro-note blockquote { font: 16px/2.15 var(--serif); letter-spacing: .03em; }
.note-source { display: block; color: var(--muted); font-size: 10px; line-height: 1.8; margin-top: 22px; text-decoration: none; }
.section-heading { border-top: 1px solid var(--ink); padding-top: 21px; display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 30px; }
.section-heading h2 { font: normal 30px/1.3 var(--serif); letter-spacing: -.035em; }
.section-translation { margin-left: 15px; font: 12px/1.4 var(--sans); color: var(--muted); letter-spacing: .06em; white-space: nowrap; }
.section-note { color: var(--muted); font-size: 11px; }
.featured-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; }
.post-entry { padding: 28px 0 30px; border-bottom: 1px solid var(--line); min-width: 0; }
.entry-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 10px; letter-spacing: .02em; }
.meta-separator { color: #969e93; }
.entry-language { margin-left: auto; font-size: 9px; letter-spacing: .04em; border: 1px solid var(--line); padding: 0 5px; line-height: 1.8; white-space: nowrap; }
.entry-title { font: normal 26px/1.45 var(--serif); letter-spacing: -.03em; margin-top: 10px; overflow-wrap: anywhere; }
.entry-title a { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; text-decoration: none; }
.entry-title a:hover { text-decoration: underline; }
.entry-arrow { color: var(--green); font: 17px/1 var(--sans); flex-shrink: 0; }
.entry-subtitle { margin-top: 3px; font-size: 12px; color: var(--green); letter-spacing: .03em; }
.entry-excerpt { color: var(--muted); font-size: 13px; line-height: 1.9; margin-top: 12px; overflow-wrap: anywhere; }
.featured-entry { border: 0; padding: 0 28px 8px; }
.featured-entry:first-child { padding-left: 0; }
.featured-entry:last-child { padding-right: 0; }
.featured-entry + .featured-entry { border-left: 1px solid var(--line); }
.featured-entry .entry-title { font-size: 23px; line-height: 1.5; margin-top: 19px; }
.featured-entry .entry-meta { gap: 6px; font-size: 9px; }
.featured-entry .entry-language { border: 0; padding: 0; }
.recent-writing { padding-top: 70px; }
.recent-writing .section-heading { margin-bottom: 0; }
.recent-writing .post-entry { display: grid; grid-template-columns: 190px minmax(0,1fr); column-gap: 34px; padding: 29px 0; }
.recent-writing .entry-meta { grid-column: 1; grid-row: 1 / span 3; display: flex; align-content: flex-start; padding-top: 7px; }
.recent-writing .entry-meta .meta-separator { display: none; }
.recent-writing .entry-meta time { width: 100%; font-size: 12px; margin-bottom: 3px; }
.recent-writing .entry-language { margin-left: 2px; }
.recent-writing .entry-title { grid-column: 2; margin-top: 0; }
.recent-writing .entry-subtitle, .recent-writing .entry-excerpt { grid-column: 2; }
.recent-writing .entry-excerpt { max-width: 710px; margin-top: 9px; }
.small-link { font-size: 11px; }
.research-note { display: grid; grid-template-columns: 150px minmax(0, 1fr); column-gap: 40px; margin-top: 66px; padding: 32px; background: var(--soft); border-top: 1px solid #c8d1c3; }
.research-note .eyebrow { padding-top: 7px; }
.research-note h2 { font: normal 27px/1.4 var(--serif); letter-spacing: -.025em; }
.research-note p { color: var(--muted); font-size: 13px; line-height: 1.9; max-width: 540px; margin-top: 9px; }
.research-note .text-link { grid-column: 2; justify-self: start; margin-top: 18px; }
.site-footer { margin-top: 88px; border-top: 1px solid var(--line); padding: 34px 0 22px; color: var(--muted); }
.footer-top { display: flex; justify-content: space-between; gap: 30px; }
.footer-name { text-decoration: none; color: var(--ink); font-size: 13px; font-weight: 600; }
.footer-name span { font-weight: normal; color: var(--muted); }
.footer-top p { font-size: 11px; margin-top: 7px; }
.footer-links { display: flex; align-items: flex-start; flex-wrap: wrap; gap: 18px; font-size: 11px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 42px; font-size: 9px; }
.footer-bottom a { text-decoration: none; }
.page-heading { padding: 63px 0 42px; }
.page-heading h1 { font: normal 66px/1.1 var(--serif); letter-spacing: -.05em; margin: 18px 0 22px; }
.heading-dot { color: var(--green); }
.page-heading > p:last-child:not(.eyebrow) { color: var(--muted); max-width: 620px; line-height: 1.9; font-size: 15px; }
.archive-tools { display: none; }
.archive-tools.is-ready { display: grid; grid-template-columns: minmax(0,1fr) 245px; gap: 18px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 22px 0 12px; }
.topic-filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.topic-filters button { background: transparent; border: 1px solid var(--line); border-radius: 0; color: var(--muted); padding: 8px 12px; font-size: 11px; min-height: 38px; }
.topic-filters button[aria-pressed='true'] { color: var(--paper); background: var(--green); border-color: var(--green); }
.topic-filters button:hover { border-color: var(--green); }
.archive-search { position: relative; }
.archive-search input { width: 100%; min-height: 40px; border: 1px solid var(--line); border-radius: 0; color: var(--ink); background: transparent; padding: 9px 36px 9px 12px; font-size: 12px; }
.archive-search input::placeholder { color: var(--muted); opacity: 1; }
.search-symbol { position: absolute; right: 14px; top: 3px; color: var(--green); font-size: 23px; pointer-events: none; }
.search-status { grid-column: 1 / -1; font-size: 10px; color: var(--muted); min-height: 17px; }
.archive-year { display: grid; grid-template-columns: 150px minmax(0,1fr); gap: 40px; padding-top: 26px; }
.archive-year > h2 { font: normal 40px/1.2 var(--serif); letter-spacing: -.05em; padding-top: 23px; }
.archive-year > h2 span { display: block; font: 10px/1.7 var(--sans); letter-spacing: .03em; color: var(--muted); margin-top: 9px; }
.archive-year .post-entry:first-child { padding-top: 24px; }
.archive-year .entry-excerpt { max-width: 690px; }
.archive-footnote { font-size: 12px; color: var(--muted); margin-top: 40px; border-top: 1px solid var(--line); padding-top: 24px; }
.no-results { padding: 70px 0; max-width: 600px; font: 22px/1.7 var(--serif); }
.article-shell { width: min(760px, calc(100% - 96px)); margin-inline: auto; }
.article-header { padding: 43px 0 32px; }
.back-link { color: var(--muted); font-size: 11px; text-decoration: none; display: inline-flex; gap: 10px; margin-bottom: 46px; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; color: var(--muted); font-size: 11px; }
.language-label { border: 1px solid var(--line); padding: 1px 7px; font-size: 10px; }
.article-header h1 { font: normal 46px/1.2 var(--serif); letter-spacing: -.04em; margin-top: 22px; overflow-wrap: anywhere; }
.article-header h1:lang(zh-CN) { line-height: 1.5; font-size: 39px; }
.article-subtitle { color: var(--green); font-size: 17px; line-height: 1.9; margin-top: 14px; }
.collection-note { border-left: 2px solid var(--green); margin-top: 24px; padding-left: 16px; font-size: 13px; color: var(--muted); }
.article-outline { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 16px 0; margin-bottom: 34px; color: var(--muted); font-size: 12px; }
.article-outline summary { cursor: pointer; color: var(--green); padding: 2px 0; }
.article-outline ol { padding-left: 22px; margin: 18px 0 0; columns: 2; column-gap: 35px; }
.article-outline li { margin: 6px 0; break-inside: avoid; }
.prose { font: 20px/1.9 var(--serif); overflow-wrap: anywhere; }
.prose:lang(zh-CN) { font: 18px/2.1 var(--sans); letter-spacing: .015em; }
.prose p { margin-bottom: 1.55em; }
.prose h2, .prose h3, .prose h4 { font-family: var(--serif); line-height: 1.5; letter-spacing: -.02em; margin: 1.8em 0 .8em; font-weight: normal; color: var(--ink); }
.prose h2 { font-size: 29px; border-bottom: 1px solid var(--line); padding-bottom: 12px; }
.prose h3 { font-size: 24px; }
.prose h4 { font-size: 21px; }
.prose a { color: var(--green); }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 1.5em; }
.prose li { padding-left: .2em; margin-bottom: .45em; }
.prose blockquote { border-left: 2px solid var(--green); padding: 3px 0 3px 24px; margin: 30px 0; color: var(--muted); }
.prose blockquote p:last-child { margin-bottom: 0; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
.prose pre { max-width: 100%; overflow-x: auto; background: var(--soft); border: 1px solid var(--line); padding: 20px; margin: 24px 0; font-size: 13px; line-height: 1.85; letter-spacing: 0; overflow-wrap: normal; }
.prose code { font-family: Consolas, 'SFMono-Regular', monospace; font-size: .78em; }
.prose :not(pre) > code { padding: 2px 5px; background: var(--soft); }
.prose pre code { font-size: inherit; }
.prose table { display: block; max-width: 100%; overflow: auto; border-collapse: collapse; font: 14px/1.8 var(--sans); margin: 26px 0; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 12px; }
.highlight .c, .highlight .c1 { color: #65765e; }
.highlight .s, .highlight .s2 { color: #7e5139; }
.highlight .k, .highlight .nb { color: #335b60; }
.article-footer { border-top: 1px solid var(--line); margin-top: 50px; padding-top: 21px; display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 11px; }
.article-footer a { color: var(--green); }
.article-pagination { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; border-bottom: 1px solid var(--line); padding: 36px 0; }
.article-pagination .eyebrow { font-size: 9px; margin-bottom: 8px; }
.article-pagination a { font: 18px/1.5 var(--serif); text-decoration: none; }
.article-pagination > div:last-child { text-align: right; }
.page-article .page-heading { padding-bottom: 24px; }
.page-article .prose { font-family: var(--sans); font-size: 16px; line-height: 1.9; }
.taxonomy-page { max-width: 920px; }
.taxonomy-index { display: flex; flex-wrap: wrap; gap: 14px; padding-bottom: 32px; font-size: 13px; }
.taxonomy-index a { border: 1px solid var(--line); padding: 8px 14px; text-decoration: none; }
.taxonomy-index span { color: var(--muted); margin-left: 8px; }
.taxonomy-group { border-top: 1px solid var(--ink); margin: 15px 0 55px; padding-top: 22px; }
.taxonomy-group > h2 { font: normal 32px/1.3 var(--serif); }
@media (min-width: 1300px) { .home-intro { gap: 100px; } }
@media (max-width: 950px) {
  .shell { width: calc(100% - 64px); }
  .home-intro { gap: 34px; padding-block: 64px; }
  .intro-main h1 { font-size: 58px; }
  .intro-note { padding-left: 23px; }
  .featured-entry { padding-inline: 19px; }
  .featured-entry .entry-title { font-size: 21px; }
  .featured-entry .entry-meta .meta-separator { display: none; }
  .featured-entry .entry-meta time { width: 100%; }
  .archive-tools.is-ready { grid-template-columns: 1fr; gap: 14px; }
  .archive-search { max-width: 400px; }
  .research-note { grid-template-columns: 120px minmax(0,1fr); gap: 20px; }
  .footer-top { gap: 24px; flex-wrap: wrap; }
}
@media (max-width: 720px) {
  .site-header { min-height: 88px; }
  .wordmark { font-size: 25px; }
  .site-nav { gap: 14px; font-size: 11px; }
  .site-header { column-gap: 18px; }
  .home-intro { grid-template-columns: 1fr; gap: 34px; padding: 48px 0 54px; }
  .intro-main h1 { font-size: 62px; max-width: 620px; }
  .intro-copy { max-width: 570px; font-size: 15px; margin-block: 20px; }
  .intro-note { display: grid; grid-template-columns: 48px minmax(0,1fr); column-gap: 18px; padding: 23px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .author-portrait { width: 48px; height: 48px; grid-row: 1 / span 3; margin: 0; }
  .note-label { margin-bottom: 8px; font-size: 18px; }
  .intro-note blockquote { font-size: 14px; line-height: 1.9; }
  .note-source { grid-column: 2; margin-top: 10px; }
  .section-heading h2 { font-size: 28px; }
  .section-note { display: none; }
  .featured-grid { grid-template-columns: 1fr; }
  .featured-entry, .featured-entry:first-child, .featured-entry:last-child { padding: 23px 0; }
  .featured-entry + .featured-entry { border-left: 0; border-top: 1px solid var(--line); }
  .featured-entry .entry-meta time { width: auto; }
  .featured-entry .entry-meta .meta-separator { display: initial; }
  .featured-entry .entry-title { margin-top: 10px; font-size: 25px; }
  .selected-writing .section-heading { margin-bottom: 0; }
  .recent-writing { padding-top: 42px; }
  .recent-writing .post-entry { grid-template-columns: 125px minmax(0,1fr); gap: 0 22px; }
  .entry-title { font-size: 24px; }
  .entry-excerpt { font-size: 13px; }
  .research-note { margin-top: 42px; padding: 24px; grid-template-columns: 1fr; gap: 16px; }
  .research-note .text-link { grid-column: 1; margin-top: 0; }
  .research-note h2 { font-size: 25px; }
  .site-footer { margin-top: 60px; }
  .article-shell { width: calc(100% - 64px); }
  .article-header h1 { font-size: 40px; }
  .article-header h1:lang(zh-CN) { font-size: 32px; }
  .archive-year { grid-template-columns: 90px minmax(0,1fr); gap: 22px; }
  .archive-year > h2 { font-size: 33px; }
  .prose { font-size: 19px; }
  .prose:lang(zh-CN) { font-size: 17px; }
}
@media (max-width: 640px) {
  .site-header { min-height: 100px; flex-wrap: wrap; gap: 12px; padding-block: 20px 16px; }
  .wordmark { order: 1; }
  .language-switch { order: 2; margin-left: auto; }
  .site-nav { order: 3; width: 100%; margin-left: 0; justify-content: space-between; }
}
@media (max-width: 480px) {
  .shell, .article-shell { width: calc(100% - 40px); }
  .site-header { min-height: 100px; flex-wrap: wrap; justify-content: flex-start; gap: 12px; padding-block: 20px 16px; }
  .wordmark { font-size: 26px; order: 1; }
  .language-switch { order: 2; margin-left: auto; }
  .site-nav { width: 100%; justify-content: space-between; gap: 12px; font-size: 11px; order: 3; margin-left: 0; }
  .site-nav a { padding-block: 5px; }
  .home-intro { padding-top: 36px; gap: 30px; }
  .eyebrow { font-size: 9px; }
  .intro-main h1 { font-size: clamp(43px, 11.9vw, 56px); margin-top: 20px; }
  html:lang(zh-CN) .intro-main h1 { font-size: 40px; }
  .intro-translation { font-size: 13px; letter-spacing: .04em; }
  .intro-copy { font-size: 14px; }
  .section-heading { gap: 12px; }
  .section-heading h2 { font-size: 25px; }
  .section-translation { display: block; margin: 5px 0 0; font-size: 10px; }
  .recent-writing .post-entry { display: block; }
  .recent-writing .entry-meta { padding-top: 0; margin-bottom: 10px; }
  .recent-writing .entry-meta time { width: auto; margin: 0; font-size: 10px; }
  .recent-writing .entry-meta .meta-separator { display: initial; }
  .recent-writing .entry-language { margin-left: auto; }
  .entry-title, .featured-entry .entry-title { font-size: 24px; }
  .footer-links { gap: 15px; }
  .footer-bottom { flex-direction: column; gap: 7px; margin-top: 28px; }
  .page-heading { padding-top: 38px; }
  .page-heading h1 { font-size: 52px; }
  .page-heading > p:last-child:not(.eyebrow) { font-size: 13px; }
  .archive-year { display: block; padding-top: 24px; }
  .archive-year > h2 { display: flex; align-items: baseline; gap: 15px; font-size: 32px; padding: 0 0 4px; }
  .archive-year > h2 span { margin: 0; }
  .archive-year .post-entry { padding-block: 23px; }
  .topic-filters button { font-size: 10px; padding: 9px 10px; }
  .archive-search input { font-size: 16px; }
  .article-header { padding-top: 30px; }
  .back-link { margin-bottom: 32px; }
  .article-header h1, .article-header h1:lang(zh-CN) { font-size: 31px; }
  .article-meta { font-size: 10px; gap: 8px; }
  .article-subtitle { font-size: 15px; }
  .prose, .page-article .prose { font-size: 17px; }
  .prose:lang(zh-CN) { font-size: 16px; line-height: 2.05; }
  .prose h2 { font-size: 25px; }
  .prose h3 { font-size: 21px; }
  .prose pre { padding: 14px; font-size: 12px; }
  .article-outline ol { columns: 1; }
  .article-footer { flex-direction: column; gap: 12px; }
  .article-pagination { gap: 24px; }
  .article-pagination a { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
@media print {
  body { background: white; color: black; }
  .site-nav, .site-footer, .back-link, .article-pagination, .archive-tools { display: none !important; }
  .article-shell, .shell { width: 100%; max-width: none; }
  .site-header { min-height: 50px; }
  a { color: inherit; }
  .prose pre { white-space: pre-wrap; }
}