:root{
  --paper:#f2ebe0;
  --paper-2:#e7ddd0;
  --ink:#1c1916;
  --ink-2:#4a453f;
  --wash:#8a8378;
  --cinnabar:#a32626;
  --seal:#7c1a1a;
  --gold:#b8954a;
  --line:#d4c8b6;
  --max:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--paper)}
body{
  font-family:"Songti SC","STSong","SimSun","Noto Serif SC","Microsoft YaHei",serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.7;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul{list-style:none}
button{font-family:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--ink);
}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.18em;font-size:12px}
.brand-seal{
  width:28px;height:28px;border:2px solid var(--cinnabar);color:var(--cinnabar);
  display:grid;place-items:center;font-size:11px;font-weight:800;
}
.nav{display:flex;gap:18px;flex-wrap:wrap;font-size:14px;color:var(--ink-2)}
.nav a[aria-current="page"]{color:var(--cinnabar);border-bottom:1px solid var(--cinnabar)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:0 18px;
  border:1px solid var(--ink);background:transparent;color:var(--ink);
  font-size:13px;font-weight:700;cursor:pointer;
}
.btn-fill{background:var(--ink);color:var(--paper)}
.btn-seal{border-color:var(--cinnabar);color:var(--cinnabar)}
.kicker{display:block;font-size:11px;letter-spacing:.22em;color:var(--cinnabar);margin-bottom:8px;font-weight:700}
.section-head{margin-bottom:22px}
.section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700;margin-bottom:8px}
.section-head p{color:var(--ink-2);max-width:640px}
.footer{padding:48px 0 22px;background:var(--ink);color:#d8d0c4}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr;gap:28px}
.footer h3,.footer h4{margin-bottom:12px;font-size:16px;color:var(--paper)}
.footer p,.footer a,.footer li{color:#b8b0a4;font-size:14px}
.footer ul{display:grid;gap:8px}
.copyright{margin-top:28px;padding-top:16px;border-top:1px solid #3a342e;font-size:12px;letter-spacing:.04em}
img[data-src]{min-height:120px;background:var(--paper-2)}
.below-fold{content-visibility:auto;contain-intrinsic-size:auto 480px}
@media(max-width:720px){
  .nav{display:none}
  .footer-grid{grid-template-columns:1fr}
}