:root {
  --ink: #071b1d;
  --ink-soft: #103336;
  --ink-raised: #164246;
  --paper: #f4eedc;
  --paper-muted: #d8cfb9;
  --gold: #f0b84c;
  --gold-pale: #ffe0a0;
  --mint: #79d2bf;
  --line: rgb(244 238 220 / 18%);
  --shadow: 0 20px 55px rgb(0 0 0 / 28%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--paper);
  background: var(--ink);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: radial-gradient(circle at 78% -10%, #1c5553 0, transparent 32rem), var(--ink); }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--gold-pale); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

.site-header { border-bottom: 1px solid var(--line); background: rgb(7 27 29 / 92%); position: sticky; top: 0; z-index: 10; backdrop-filter: blur(14px); }
.header-inner, .page-shell, .site-footer { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; }
.header-inner { min-height: 4.7rem; display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; }
.brand { display: grid; gap: .06rem; letter-spacing: .03em; }
.brand strong { font-family: Georgia, "Songti SC", serif; color: var(--gold-pale); font-size: 1.05rem; }
.brand span { color: var(--paper-muted); font-size: .72rem; }
.top-nav { display: flex; align-items: center; gap: .2rem; overflow-x: auto; }
.top-nav__link { padding: .55rem .62rem; white-space: nowrap; color: var(--paper-muted); font-size: .87rem; border-radius: .45rem; }
.top-nav__link.is-active { color: var(--ink); background: var(--gold); font-weight: 750; }

.page-shell { padding: 2rem 0 3.5rem; }
.breadcrumbs { color: var(--paper-muted); font-size: .83rem; margin-bottom: 1.25rem; }
.breadcrumbs a { color: var(--mint); }
.site-grid { display: grid; grid-template-columns: 15.5rem minmax(0, 1fr); align-items: start; gap: 1.5rem; }
.sidebar-toggle { display: none; width: 100%; border: 1px solid var(--line); background: var(--ink-soft); color: var(--paper); padding: .78rem 1rem; border-radius: .6rem; text-align: left; font: inherit; }
.wiki-sidebar { border: 1px solid var(--line); background: linear-gradient(180deg, rgb(22 66 70 / 88%), rgb(11 37 40 / 90%)); padding: 1.1rem; border-radius: .8rem; box-shadow: var(--shadow); }
.wiki-sidebar h2 { margin: 0 0 .85rem; font-size: .88rem; letter-spacing: .12em; text-transform: uppercase; color: var(--gold-pale); }
.sidebar-group + .sidebar-group { border-top: 1px solid var(--line); margin-top: 1rem; padding-top: 1rem; }
.sidebar-group h3 { margin: 0 0 .42rem; color: var(--mint); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.sidebar-group a { display: block; color: var(--paper-muted); font-size: .88rem; padding: .32rem .35rem; border-radius: .3rem; }
.sidebar-group a:hover, .sidebar-group a.is-current { color: var(--ink); background: var(--gold); }

.wiki-article { min-width: 0; }
.article-hero, .article-card { border: 1px solid var(--line); border-radius: .95rem; box-shadow: var(--shadow); }
.article-hero { padding: clamp(1.6rem, 4vw, 3rem); overflow: hidden; background: linear-gradient(135deg, #1a504f, #102e33 58%, #0b2124); position: relative; }
.article-hero::after { content: "✦"; color: rgb(240 184 76 / 21%); font-size: 18rem; line-height: 1; position: absolute; right: -2rem; bottom: -5.3rem; transform: rotate(12deg); pointer-events: none; }
.article-hero > * { position: relative; z-index: 1; }
.eyebrow { margin: 0 0 .45rem; color: var(--mint); letter-spacing: .12em; text-transform: uppercase; font-size: .78rem; font-weight: 800; }
h1, h2, h3 { font-family: Georgia, "Songti SC", serif; }
h1 { max-width: 15ch; margin: 0; color: var(--gold-pale); font-size: clamp(2rem, 5vw, 4.5rem); line-height: 1.03; }
.zh-title { display: block; margin-top: .35rem; color: var(--paper); font: 500 clamp(1.05rem, 2vw, 1.45rem)/1.3 Inter, "PingFang SC", sans-serif; }
.lead { max-width: 60ch; color: #e6e0cf; font-size: 1.03rem; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.25rem; }
.button-link { display: inline-flex; align-items: center; gap: .4rem; border-radius: .55rem; padding: .72rem .9rem; background: var(--gold); color: var(--ink); font-size: .9rem; font-weight: 800; }
.button-link.secondary { background: transparent; color: var(--paper); border: 1px solid var(--line); }

.status-grid, .card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .85rem; margin-top: 1.25rem; }
.status-card, .article-card { background: rgb(244 238 220 / 8%); }
.status-card { border: 1px solid var(--line); border-radius: .68rem; padding: .85rem; }
.status-card span { display: block; color: var(--paper-muted); font-size: .74rem; }
.status-card strong { display: block; margin-top: .2rem; color: var(--gold-pale); font-size: 1.04rem; }
.content-section { margin-top: 1.5rem; }
.content-section > h2 { margin: 0 0 .65rem; color: var(--gold-pale); font-size: 1.5rem; }
.section-intro { margin: 0; color: var(--paper-muted); line-height: 1.65; }
.article-card { padding: 1.1rem; }
.article-card h2, .article-card h3 { margin: 0 0 .48rem; color: var(--gold-pale); }
.article-card h3 { font-size: 1.05rem; }
.article-card p, .article-card li { color: #e6e0cf; line-height: 1.65; }
.article-card p:last-child { margin-bottom: 0; }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-kicker { margin: 0 0 .35rem; color: var(--mint); font-size: .75rem; text-transform: uppercase; letter-spacing: .09em; }
.article-card a.inline-link { color: var(--gold-pale); font-weight: 750; }

.fact-table { width: 100%; border-collapse: collapse; overflow: hidden; }
.fact-table th, .fact-table td { padding: .82rem .7rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.fact-table th { color: var(--gold-pale); font-size: .84rem; width: 35%; }
.fact-table td { color: #e6e0cf; line-height: 1.55; }
.fact-table tr:last-child th, .fact-table tr:last-child td { border-bottom: 0; }
.notice { border-left: 4px solid var(--gold); margin-top: 1rem; padding: .85rem 1rem; color: var(--paper-muted); background: rgb(240 184 76 / 10%); line-height: 1.6; }
.tag-list { display: flex; flex-wrap: wrap; gap: .45rem; padding: 0; margin: .9rem 0 0; list-style: none; }
.tag-list li { margin: 0; padding: .32rem .5rem; color: var(--mint); border: 1px solid rgb(121 210 191 / 35%); border-radius: 99px; font-size: .8rem; }
.related-links { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: .8rem; }
.related-links a { padding: .45rem .6rem; border: 1px solid var(--line); border-radius: .4rem; color: var(--paper-muted); font-size: .86rem; }

.site-footer { border-top: 1px solid var(--line); padding: 1.5rem 0 2.5rem; color: var(--paper-muted); font-size: .82rem; line-height: 1.6; }
.site-footer strong { color: var(--gold-pale); }
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: .45rem; color: var(--mint); }

@media (max-width: 760px) {
  .header-inner { min-height: auto; padding: .8rem 0; align-items: flex-start; flex-direction: column; gap: .6rem; }
  .top-nav { width: 100%; }
  .top-nav__link { font-size: .8rem; }
  .page-shell { padding-top: 1.2rem; }
  .site-grid { grid-template-columns: 1fr; gap: .8rem; }
  .sidebar-toggle { display: block; }
  .wiki-sidebar { display: none; }
  .wiki-sidebar.is-open { display: block; }
  .status-grid, .card-grid, .card-grid.three { grid-template-columns: 1fr; }
  h1 { max-width: none; }
}