/* 英文版最小样式：与中文站同一纸张/墨色体系，独立于 portal.css / county.css，
   避免英文页继承中文布局与脚本钩子。 */
:root {
  --paper: #F3ECDD;
  --paper2: #FBF7EC;
  --ink: #211E17;
  --ink2: #5B5343;
  --accent: #A8452F;
  --line: #D5C9B0;
  --dark: #171913;
  --dark-text: #B5AC97;
  --dark-link: #C5BCA7;
  --dark-bright: #F4EDDD;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: Georgia, "Times New Roman", "Noto Serif", serif;
  --pad: clamp(16px, 4vw, 32px);
  --maxw: 1080px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.65;
  overflow-wrap: break-word;
}
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px;
}
.skip-link {
  position: fixed; left: 12px; top: -70px; z-index: 300;
  background: var(--ink); color: var(--paper); padding: 10px 16px;
}
.skip-link:focus { top: 10px; }
main#main:focus { outline: none; }

.site-head {
  display: flex; align-items: center; flex-wrap: wrap; gap: 12px 20px;
  padding: 10px var(--pad); border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  position: sticky; top: 0; z-index: 100;
}
.brand { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; text-decoration: none; }
.brand-seal {
  width: 34px; height: 34px; display: grid; place-items: center;
  background: var(--accent); color: var(--paper2); font-family: var(--serif); font-size: 18px; border-radius: 2px;
}
.brand-name { font-family: var(--serif); font-size: 17px; letter-spacing: .02em; }
.brand-name small { display: block; font-family: var(--sans); font-size: 8.5px; letter-spacing: .24em; color: var(--ink2); margin-top: 2px; }
.site-nav { display: flex; flex-wrap: wrap; gap: 4px 6px; margin-left: auto; }
.site-nav a {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; min-width: 44px; padding: 0 10px;
  font-size: 13px; letter-spacing: .06em; color: var(--ink2); text-decoration: none;
}
.site-nav a:hover { color: var(--ink); }
.lang-switch {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; min-width: 44px; padding: 0 12px;
  border: 1px solid var(--line); border-radius: 999px;
  font-size: 13px; color: var(--ink2); text-decoration: none;
}
.lang-switch:hover { border-color: var(--accent); color: var(--accent); }

main { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad) 72px; }
.hero { padding: clamp(36px, 7vw, 76px) 0 28px; border-bottom: 1px solid var(--line); }
.eyebrow { font-size: 11px; letter-spacing: .28em; color: var(--accent); margin: 0 0 18px; }
h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(2.1rem, 6vw, 3.6rem); line-height: 1.12; margin: 0 0 20px; }
.lede { max-width: 62ch; font-size: clamp(1rem, 2vw, 1.12rem); color: var(--ink2); margin: 0 0 26px; }
.stats { display: flex; flex-wrap: wrap; gap: 14px 36px; margin: 0; }
.stats div { min-width: 0; }
.stats dt { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink2); }
.stats dd { margin: 2px 0 0; font-family: var(--serif); font-size: 1.9rem; font-variant-numeric: tabular-nums; }

section { padding: 44px 0 8px; }
.kicker { font-size: 11px; letter-spacing: .24em; color: var(--accent); margin: 0 0 10px; }
h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.5rem, 3.4vw, 2.1rem); line-height: 1.25; margin: 0 0 14px; }
h3 { font-family: var(--serif); font-weight: 400; font-size: 1.15rem; margin: 0 0 8px; }
p { margin: 0 0 14px; }
.prose { max-width: 68ch; color: var(--ink2); }

.region-grid, .method-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 16px; margin: 22px 0 6px; }
.card { border: 1px solid var(--line); background: var(--paper2); border-radius: 3px; padding: 18px 20px; min-width: 0; }
.card p { color: var(--ink2); font-size: 14px; margin: 0; }
.card .count { font-size: 12px; letter-spacing: .08em; color: var(--accent); margin-top: 10px; }

.filter { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; margin: 20px 0 8px; }
.filter label { font-size: 13px; color: var(--ink2); }
.filter input {
  min-height: 44px; min-width: min(100%, 280px); padding: 0 14px;
  font: inherit; font-size: 15px; color: var(--ink);
  border: 1px solid var(--line); border-radius: 999px; background: var(--paper2);
}
.filter-status { font-size: 13px; color: var(--ink2); margin: 0 0 12px; }

.city-block { margin: 26px 0 0; }
.city-block h3 { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; font-size: 1.25rem; }
.city-block h3 span { font-family: var(--sans); font-size: 12px; letter-spacing: .08em; color: var(--ink2); }
.county-list { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 10px 0 0; }
.county-list a {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 44px; padding: 0 14px;
  border: 1px solid var(--line); border-radius: 999px;
  font-size: 14px; text-decoration: none;
}
.county-list a:hover { border-color: var(--accent); color: var(--accent); }
.county-list .type { font-size: 11px; letter-spacing: .06em; color: var(--ink2); }
.county-list a:hover .type { color: inherit; }
.empty { color: var(--ink2); }

/* ── 英文县页 ─────────────────────────────────────────── */
.county-page { max-width: 820px; }
.county-page .hero { padding-bottom: 22px; }
.county-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); gap: 14px 26px; margin: 26px 0 0; }
.county-meta div { min-width: 0; }
.county-meta dt { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink2); }
.county-meta dd { margin: 3px 0 0; font-size: 15px; overflow-wrap: anywhere; }
.notice {
  border-left: 3px solid var(--accent); background: var(--paper2);
  padding: 14px 18px; margin: 26px 0 0; font-size: 14px; color: var(--ink2);
}
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: #8C3626; font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
}
.provenance { margin-top: 18px; font-size: 14px; color: var(--ink2); }
.prov-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 12px 26px; margin: 18px 0 0; }
.prov-list div { min-width: 0; }
.prov-list dt { font-size: 13px; color: var(--ink2); }
.prov-list dd { margin: 3px 0 0; }
.conf { font-size: 12px; letter-spacing: .06em; }
.conf-verified { color: #2F6B3C; }
.conf-measured { color: #6B5320; }
.conf-unverified { color: var(--accent); }
.provenance dt { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink2); margin-top: 12px; }
.provenance dd { margin: 2px 0 0; }
.page-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 18px; border: 1px solid var(--ink); border-radius: 999px;
  text-decoration: none; font-size: 14px;
}
.btn.ghost { border-color: var(--line); color: var(--ink2); }

.foot { background: var(--dark); color: var(--dark-text); padding: 46px var(--pad) 26px; margin-top: 48px; }
.foot-main { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 26px 40px; padding-bottom: 26px; border-bottom: 1px solid #34372C; }
.foot-brand { font-family: var(--serif); font-size: 1.5rem; color: var(--dark-bright); margin: 0 0 6px; }
.foot p { margin: 0 0 8px; font-size: 13px; }
.foot a { color: var(--dark-link); display: inline-flex; align-items: center; min-height: 44px; }
.foot a:hover { color: var(--dark-bright); }
.foot-base { max-width: var(--maxw); margin: 16px auto 0; font-size: 12px; display: flex; flex-wrap: wrap; gap: 6px 18px; }

@media (max-width: 640px) {
  .site-nav { margin-left: 0; width: 100%; }
  .brand-name small { font-size: 10px; }
  .lang-switch { margin-left: auto; }
  .county-list a { flex: 1 1 auto; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}