:root{
  --sand:#E9D9BD;
  --sand-2:#F4E9D4;
  --night:#0E1B33;
  --night-2:#17294A;
  --mint:#25E0AE;
  --mint-soft:#9BF2DA;
  --brick:#B4432F;
  --gold:#E8B23A;
  --line:#8FA3B8;
  --line-soft:rgba(143,163,184,.45);
  --line-ghost:rgba(143,163,184,.28);
  --grid-line:rgba(143,163,184,.20);
  --ink:#101B26;
  --muted:#4E6070;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","IBM Plex Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --w-max:1240px;
  --gutter:clamp(16px,4vw,40px);
  --cut:14px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --shadow-card:0 1px 0 rgba(16,27,38,.06),0 20px 44px -34px rgba(14,27,51,.6);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit}
a{color:inherit}
body{
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--sand);
  background-image:
    linear-gradient(to right,var(--grid-line) 1px,transparent 1px),
    linear-gradient(to bottom,var(--grid-line) 1px,transparent 1px);
  background-size:96px 96px,96px 96px;
  background-position:center top;
  min-height:100vh;
  overflow-x:hidden;
}
h1,h2,h3{line-height:1.2;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(34px,5.4vw,88px);line-height:1.02;letter-spacing:-.02em}
h2{font-size:clamp(20px,2.6vw,30px)}
h3{font-size:clamp(16px,1.8vw,20px);font-weight:700}
p{max-width:38ch}
strong{font-weight:800}
[id]{scroll-margin-top:120px}
:focus-visible{outline:3px solid var(--brick);outline-offset:2px}
.site-footer :focus-visible,.panel :focus-visible,.header-rail :focus-visible{outline-color:var(--gold)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.container{width:100%;max-width:var(--w-max);margin:0 auto;padding:0 var(--gutter)}
#main-content{display:block}
.skip-link{
  position:absolute;left:12px;top:-72px;z-index:140;
  background:var(--mint);color:var(--night);
  font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.08em;
  padding:10px 18px;text-decoration:none;transition:top .18s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{top:12px}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100}
.scroll-progress{position:fixed;left:0;top:0;width:100%;height:3px;z-index:200;pointer-events:none}
.scroll-progress-bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--mint),var(--gold));
  transition:width .12s linear;
}
.header-rail{background:var(--night);border-bottom:1px solid rgba(37,224,174,.32)}
.rail-inner{
  max-width:var(--w-max);margin:0 auto;padding:0 var(--gutter);
  min-height:40px;display:flex;align-items:center;gap:clamp(10px,2vw,20px);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:var(--mint-soft);
}
.rail-note{color:rgba(155,242,218,.78);white-space:nowrap;text-transform:uppercase}
.rail-ticks{
  flex:1 1 auto;min-width:24px;height:1px;
  background:repeating-linear-gradient(to right,rgba(37,224,174,.62) 0 1px,transparent 1px 8px);
}
.rail-link{
  color:var(--mint-soft);text-decoration:none;white-space:nowrap;
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.rail-link:hover{color:#fff;border-bottom-color:var(--mint)}
.cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;
  font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.08em;
  text-decoration:none;border:1px solid transparent;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.cta--mint{background:var(--mint);border-color:var(--mint);color:var(--night)}
.cta--mint:hover{background:#3ff2c2;box-shadow:0 0 0 1px var(--mint)}
.masthead{background:rgba(244,233,212,.95);border-bottom:1px solid var(--line-soft)}
.masthead-inner{
  max-width:var(--w-max);margin:0 auto;padding:clamp(10px,1.8vw,18px) var(--gutter);
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;
}
.brand{grid-column:2;display:block;text-decoration:none;text-align:center;color:var(--ink)}
.brand-name{
  display:block;font-weight:900;font-size:clamp(24px,4.2vw,42px);
  line-height:1;letter-spacing:-.02em;transform:skewX(-6deg);color:var(--ink);
}
.brand-tag{
  display:block;margin-top:6px;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.24em;
  color:var(--muted);text-transform:uppercase;
}
.masthead-mark{
  justify-self:end;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.12em;
  color:var(--muted);border:1px dashed var(--line-soft);padding:4px 8px;white-space:nowrap;
}
.nav-toggle{
  justify-self:start;display:inline-flex;align-items:center;gap:8px;
  background:transparent;border:1px solid var(--ink);color:var(--ink);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;
  padding:8px 10px;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{background:var(--ink);color:var(--mint)}
.nav-toggle-icon{display:block;width:16px}
.nav-toggle-icon span{display:block;height:2px;background:currentColor;margin:3px 0;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.site-header[data-open] .nav-toggle-icon span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.site-header[data-open] .nav-toggle-icon span:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle-icon span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.site-nav{border-top:1px solid var(--line-ghost);background:rgba(233,217,189,.75)}
.nav-list{max-width:var(--w-max);margin:0 auto;padding:0 var(--gutter);display:flex;flex-wrap:wrap;justify-content:center;align-items:stretch}
.nav-item{display:flex}
.nav-item + .nav-item{border-left:1px solid var(--line-ghost)}
.nav-link{
  display:flex;align-items:center;padding:12px clamp(10px,1.6vw,20px);
  font-size:15px;font-weight:500;text-decoration:none;color:var(--ink);
  border-bottom:2px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.nav-link:hover{color:var(--night);background:rgba(37,224,174,.14);border-bottom-color:rgba(37,224,174,.5)}
.nav-link[aria-current="page"]{color:var(--night);font-weight:800;background:rgba(37,224,174,.18);border-bottom-color:var(--mint)}
.rail-rule{
  position:relative;height:10px;
  background:linear-gradient(to bottom,transparent 0 4px,var(--line-ghost) 4px 5px,transparent 5px);
}
.rail-rule::before,.rail-rule::after{content:"";position:absolute;top:0;width:1px;height:10px;background:var(--line)}
.rail-rule::before{left:var(--gutter)}
.rail-rule::after{right:var(--gutter)}
@media (max-width:860px){
  .site-nav{display:none;max-height:70vh;overflow-y:auto}
  .site-header[data-open] .site-nav{display:block}
  .nav-list{flex-direction:column;padding:8px var(--gutter) 18px}
  .nav-item + .nav-item{border-left:0;border-top:1px solid var(--line-ghost)}
  .nav-link{padding:13px 4px;font-size:16px;border-bottom:1px solid var(--line-ghost)}
  .nav-link[aria-current="page"]{border-bottom:1px solid var(--mint)}
  .masthead-inner{grid-template-columns:auto 1fr auto;gap:8px}
  .brand-name{font-size:clamp(22px,7vw,30px)}
  .masthead-mark{font-size:9.5px;padding:3px 6px}
  .rail-note{display:none}
}
@media (min-width:861px){
  .nav-toggle{display:none}
}
@media (max-width:420px){
  .masthead-mark{display:none}
}
/* ---------- footer ---------- */
.site-footer{background:var(--night);color:var(--mint-soft);margin-top:clamp(48px,8vw,96px)}
.footer-rule{position:relative;height:1px;background:rgba(37,224,174,.42)}
.footer-rule::before,.footer-rule::after{content:"";position:absolute;top:-4px;width:1px;height:9px;background:var(--mint)}
.footer-rule::before{left:var(--gutter)}
.footer-rule::after{right:var(--gutter)}
.footer-inner{max-width:var(--w-max);margin:0 auto;padding:clamp(32px,5vw,64px) var(--gutter) 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,minmax(0,1fr));gap:clamp(20px,4vw,44px)}
.brand--footer{display:inline-block;text-align:left}
.brand--footer .brand-name{color:#fff;font-size:clamp(24px,3vw,34px)}
.footer-tag{margin-top:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:rgba(155,242,218,.78)}
.footer-mark{margin-top:10px;font-size:13px;color:rgba(155,242,218,.66);max-width:26ch}
.footer-col-title{
  font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;
  color:var(--gold);padding-bottom:10px;margin-bottom:12px;border-bottom:1px solid var(--line-ghost);
}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-link{
  display:inline-block;padding:4px 0;font-size:15px;text-decoration:none;color:var(--mint-soft);
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-link:hover{color:#fff;border-bottom-color:var(--mint)}
.footer-contact{margin-top:clamp(24px,4vw,40px);padding-top:18px;border-top:1px solid var(--line-ghost)}
.footer-line{max-width:none;font-family:var(--font-mono);font-size:12.5px;line-height:2;color:rgba(155,242,218,.86)}
.footer-line--address{color:rgba(155,242,218,.6)}
.footer-base{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 20px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line-ghost);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;color:rgba(155,242,218,.66);
}
.footer-legal,.footer-version{white-space:nowrap}
@media (max-width:860px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .footer-base{flex-direction:column}
}
/* ---------- shared components ---------- */
.breadcrumbs{padding:16px 0;border-bottom:1px solid var(--line-ghost)}
.breadcrumb-list{display:flex;flex-wrap:wrap;gap:6px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--muted)}
.breadcrumb-item{display:flex;align-items:center}
.breadcrumb-item + .breadcrumb-item::before{content:"/";margin-right:6px;color:var(--line)}
.breadcrumb-link{text-decoration:none;border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.breadcrumb-link:hover{color:var(--brick);border-bottom-color:var(--brick)}
.breadcrumb-item[aria-current="page"]{color:var(--ink);font-weight:700}
.page-title{font-size:clamp(34px,5.4vw,88px);font-weight:900;line-height:1.02;letter-spacing:-.02em;transform:skewX(-6deg);transform-origin:left bottom;padding-right:.12em}
.lede{font-size:clamp(16px,1.6vw,19px);color:var(--muted);max-width:38ch}
.section-head{position:relative;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--line-ghost)}
.section-head::after{content:"";position:absolute;left:0;bottom:-1px;width:64px;height:2px;background:var(--brick)}
.section-kicker{font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--brick)}
.section-title{font-size:clamp(22px,3vw,34px);font-weight:800;letter-spacing:-.01em;line-height:1.15}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 22px;border:1px solid var(--ink);background:transparent;color:var(--ink);
  font-family:var(--font-mono);font-size:13px;font-weight:700;letter-spacing:.08em;
  text-decoration:none;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{background:var(--ink);color:var(--sand-2)}
.btn--mint{background:var(--mint);border-color:var(--mint);color:var(--night)}
.btn--mint:hover{background:var(--night);border-color:var(--night);color:var(--mint)}
.btn--ghost{background:transparent;border-color:var(--mint);color:var(--mint-soft)}
.btn--ghost:hover{background:var(--mint);border-color:var(--mint);color:var(--night)}
.tag{
  display:inline-block;padding:3px 9px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;line-height:1.6;
  border:1px solid currentColor;
}
.tag--brick{background:var(--brick);border-color:var(--brick);color:var(--sand-2)}
.tag--gold{background:var(--gold);border-color:var(--gold);color:var(--night)}
.tag--mint{background:var(--mint);border-color:var(--mint);color:var(--night)}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border:1px solid rgba(16,27,38,.35);background:var(--sand-2);color:var(--ink);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{border-color:var(--night)}
.chip.is-active,.chip[aria-pressed="true"]{background:var(--night);border-color:var(--night);color:var(--mint)}
.card{
  position:relative;background:var(--sand-2);border:1px solid var(--line-soft);
  padding:clamp(16px,2.4vw,26px);box-shadow:var(--shadow-card);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:var(--night);box-shadow:0 1px 0 rgba(16,27,38,.08),0 26px 46px -32px rgba(14,27,51,.7)}
.panel{
  position:relative;background:var(--night);color:var(--mint-soft);
  border:1px solid rgba(37,224,174,.3);padding:clamp(18px,3vw,32px);
  overflow:hidden;
}
.panel::after{
  content:"";position:absolute;right:-1px;bottom:-1px;width:22px;height:22px;
  background:linear-gradient(135deg,transparent 50%,var(--sand) 50%);
}
.panel .section-title,.panel h2,.panel h3{color:#fff}
.stat{display:flex;flex-direction:column;gap:6px}
.stat-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:700;font-size:clamp(34px,6vw,72px);line-height:1;letter-spacing:-.03em;color:var(--night)}
.panel .stat-num{color:var(--mint)}
.stat-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.panel .stat-label{color:rgba(155,242,218,.7)}
.field-list{display:grid;gap:0}
.field-row{display:grid;grid-template-columns:minmax(88px,132px) 1fr;gap:12px;padding:10px 0;border-bottom:1px solid var(--line-ghost);font-size:15px}
.field-key{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding-top:4px}
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(min(100%,214px),1fr))}
.rail-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(20px,3vw,40px)}
@media (min-width:1000px){.rail-layout{grid-template-columns:minmax(0,1fr) 240px}}
.index-rail{position:sticky;top:120px;border-left:1px solid var(--line-soft);padding-left:14px}
.index-rail-title{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.index-link{
  display:block;padding:6px 0;font-size:14px;color:var(--muted);text-decoration:none;
  border-bottom:1px dashed transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.index-link:hover{color:var(--ink)}
.index-link[aria-current="true"]{color:var(--night);font-weight:800;border-bottom-color:var(--mint)}
.media-frame{
  position:relative;overflow:hidden;display:block;
  background:var(--night-2);border:1px solid var(--line-soft);
  aspect-ratio:16/10;
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(to right,rgba(143,163,184,.18) 0 1px,transparent 1px 72px);
}
html.has-js [data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
html.has-js [data-reveal].is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html.has-js [data-reveal]{opacity:1;transform:none}
  .scroll-progress-bar{transition:none}
  .card:hover{transform:none}
}