:root {
  color-scheme: light;
  --paper: #f8f5ed;
  --white: #fffcf7;
  --ink: #22271f;
  --muted: #545b4d;
  --green: #353d2d;
  --line: #dcd7c9;
  --serif: "Instrument Serif", "Noto Serif SC", "Songti SC", SimSun, serif;
  --sans: "Instrument Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.75 var(--sans); }
a { color: inherit; text-underline-offset: .2em; }
a:focus-visible, [tabindex]:focus-visible { outline: 2px solid #976321; outline-offset: 4px; }
img { display: block; width: 100%; height: auto; }
h1,h2,h3,p,figure { margin: 0; }
h1,h2,h3 { font-family: var(--serif); font-weight: 600; line-height: 1.28; text-wrap: balance; }
.wrap { width: min(1360px, calc(100% - 96px)); margin-inline: auto; }
.skip { position: absolute; left: 1rem; top: -6rem; padding: .5rem 1rem; background: var(--white); z-index: 3; }
.skip:focus { top: 1rem; }
.site-head { border-bottom: 1px solid var(--line); }
.head-inner { min-height: 83px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; white-space: nowrap; }
.brand-symbol { width: 34px; height: 34px; border: 1px solid currentColor; border-radius: 50%; display: grid; place-items: center; font-family: var(--serif); font-size: 26px; line-height: 1; }
.brand-name { font: 600 25px/1.15 var(--serif); letter-spacing: .07em; }
.brand-en { display: block; font: 10px/1.35 var(--sans); letter-spacing: .13em; margin-top: 5px; }
.nav { display: flex; gap: clamp(16px,3vw,40px); flex-wrap: wrap; }
.nav a, .foot-links a { text-decoration: none; display: flex; align-items: center; min-height: 44px; font-size: 14px; }
.nav a:hover, .foot-links a:hover { text-decoration: underline; }
.head-cta { padding: 9px 17px; border: 1px solid #777e6c; text-decoration: none; white-space: nowrap; font-size: 14px; }
.head-cta:hover { background: #eae8dc; }
.hero { position: relative; isolation: isolate; overflow: hidden; color: #fff8e7; background: #302b1c; margin-top: 26px; min-height: clamp(460px, 42vw, 615px); display: grid; align-items: center; }
.hero img, .hero::after { position: absolute; z-index: -1; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 59%; }
.hero::after { content: ""; background: linear-gradient(90deg,rgba(19,23,15,.72),rgba(19,23,15,.28) 53%,transparent 75%); }
.hero-copy { padding: 60px clamp(28px,6.2vw,92px); max-width: 735px; }
.kicker { color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: .16em; }
.hero .kicker { color: #e9dabb; }
.hero h1 { font-size: clamp(40px,5.1vw,72px); letter-spacing: -.045em; margin: 16px 0 22px; }
.hero-copy p:not(.kicker) { max-width: 33em; color: #f5ead4; font-size: 16px; }
.button { display: inline-flex; align-items: center; gap: 22px; padding: 10px 18px; min-height: 46px; text-decoration: none; background: var(--green); color: #fff8e7; }
.button:hover { filter: brightness(1.15); }
.hero .button { background: #f1e8d3; color: #292d22; margin-top: 28px; }
.home-section { margin-top: 64px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 22px; margin-bottom: 22px; }
.section-head h2 { font-size: clamp(29px,3.2vw,45px); margin-top: 5px; }
.section-head > p { color: var(--muted); font-size: 14px; }
.collection { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.topic { background: var(--white); border: 1px solid var(--line); text-decoration: none; }
.topic img { aspect-ratio: 1.9; object-fit: cover; }
.topic-copy { padding: 19px 22px 21px; }
.topic-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 7px; }
.topic-title h3 { font-size: clamp(21px,2vw,29px); }
.topic-copy p { font-size: 14px; color: var(--muted); }
.topic:hover .topic-title h3, .article-card:hover h3 { text-decoration: underline; text-decoration-thickness: 1px; }
.article-list { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.article-card { border: 1px solid var(--line); border-top: 3px solid #78816b; padding: 22px; background: var(--white); display: flex; flex-direction: column; align-items: start; gap: 12px; text-decoration: none; }
.article-card h3 { font-size: 25px; }
.article-card p:not(.kicker) { color: var(--muted); font-size: 14px; }
.article-card .read { margin-top: auto; font-size: 14px; font-weight: 600; }
.editorial-strip { margin-block: 60px; background: var(--green); color: #fffaef; padding: 34px clamp(22px,4vw,56px); display: flex; justify-content: space-between; align-items: center; gap: 26px; }
.editorial-strip h2 { font-size: 31px; margin-bottom: 8px; }
.editorial-strip p { max-width: 55em; color: #f0eadc; }
.editorial-strip a { white-space: nowrap; }
.site-foot { border-top: 1px solid var(--line); margin-top: 58px; }
.foot-inner { padding-block: 25px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.foot-links { display: flex; gap: 20px; flex-wrap: wrap; }
.foot-inner small { color: var(--muted); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 6px 12px; color: var(--muted); font-size: 14px; margin-bottom: 22px; }
.article { width: min(940px, calc(100% - 44px)); margin: 44px auto 0; }
.article-header { border-bottom: 1px solid var(--line); padding-bottom: 25px; margin-bottom: 25px; }
.article h1, .landing h1 { font-size: clamp(34px,5vw,58px); margin: 12px 0 14px; }
.article-header > p:not(.kicker), .landing-intro { font-size: 18px; color: var(--muted); }
.byline { color: var(--muted); font-size: 13px; margin-top: 14px; }
.answer { border-left: 4px solid #748064; background: #edeee4; padding: 20px 24px; margin: 24px 0; }
.answer h2 { margin: 0 0 8px; }
.article h2 { font-size: clamp(23px,3vw,31px); }
.article h3 { font-size: 20px; }
.toc { border-block: 1px solid var(--line); padding-block: 12px; display: flex; flex-wrap: wrap; gap: 5px 18px; margin-block: 25px; }
.toc a { min-height: 44px; display: inline-flex; align-items: center; font-size: 14px; }
.prose section, .prose > aside { margin: 32px 0; }
.prose h2 { margin-bottom: 12px; }
.prose h3 { margin-top: 20px; margin-bottom: 6px; }
.prose p + p { margin-top: 12px; }
.prose ol { padding-left: 1.6em; }
.prose li + li { margin-top: 10px; }
.table-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; min-width: 610px; background: var(--white); font-size: 15px; }
caption { text-align: left; padding-bottom: 9px; color: var(--muted); font-size: 14px; }
th,td { padding: 13px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th { background: var(--green); color: #fffaf0; }
tbody th { width: 16%; font-weight: 600; }
td { width: 42%; }
.ref { font-size: .82em; color: #415339; margin-left: .22em; white-space: nowrap; }
.sources li { padding-inline-start: 5px; }
.sources a { font-weight: 600; }
.source-note { color: var(--muted); display: block; font-size: 14px; }
.landing { margin-top: 42px; }
.landing-banner { display: grid; grid-template-columns: 1fr 1fr; align-items: center; background: #eeece0; }
.landing-banner > div { padding: clamp(22px,4vw,62px); }
.landing-banner img { height: 100%; max-height: 400px; min-height: 280px; object-fit: cover; }
.landing-criteria { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; }
.landing-criteria section { background: var(--white); border: 1px solid var(--line); padding: 23px; }
.landing-criteria h3 { font-size: 23px; margin-bottom: 8px; }
.landing-criteria p { color: var(--muted); }
@media (max-width: 1000px) {
  .wrap { width: calc(100% - 48px); }
  .head-inner { gap: 15px; }
  .nav { gap: 18px; }
  .article-list { gap: 12px; }
  .article-card { padding: 17px; }
}
@media (max-width: 720px) {
  .wrap { width: calc(100% - 30px); }
  .head-inner { display: grid; grid-template-columns: 1fr auto; padding-top: 15px; gap: 4px 10px; }
  .head-cta { grid-column: 2; grid-row: 1; }
  .nav { grid-column: 1 / -1; gap: 0 21px; }
  .hero { margin-top: 14px; min-height: 468px; align-items: end; }
  .hero img { object-position: 66% 56%; }
  .hero::after { background: linear-gradient(0deg,#181c14 0%,rgba(25,28,19,.82) 36%,rgba(25,28,19,.05) 87%); }
  .hero-copy { padding: 30px 22px; }
  .hero h1 { margin: 10px 0 12px; font-size: clamp(35px,8vw,54px); }
  .hero .button { margin-top: 16px; }
  .home-section { margin-top: 40px; }
  .section-head, .editorial-strip, .foot-inner { align-items: start; flex-direction: column; gap: 9px; }
  .collection, .article-list, .landing-banner, .landing-criteria { grid-template-columns: minmax(0,1fr); }
  .topic { display: grid; grid-template-columns: 34% 1fr; align-items: center; }
  .topic img { height: 100%; min-height: 110px; }
  .topic-copy { padding: 14px; }
  .editorial-strip { margin-block: 42px; }
  .foot-inner { padding-block: 19px; }
  .landing-banner img { min-height: 0; aspect-ratio: 1.8; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }