:root{
  --ink:#0A1F1A;
  --ink-2:#123028;
  --ink-3:#06120F;
  --lime:#C8FF3D;
  --lime-soft:#E4FFA6;
  --orange:#FF7A2E;
  --orange-soft:#FFB27A;
  --mist:#F2F5F0;
  --sage:#7E9A90;
  --paper:#FBFAF6;
  --line:rgba(126,154,144,.26);
  --line-strong:rgba(200,255,61,.34);
  --radius-xl:28px;
  --radius-lg:20px;
  --radius-md:14px;
  --pill:999px;
  --sans:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --ease:cubic-bezier(.22,1,.36,1);
  --wrap:1240px;
  --gutter:clamp(16px,4vw,40px);
  --header-h:66px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--mist);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.55;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:1;
  pointer-events:none;
  opacity:.5;
  background-image:radial-gradient(rgba(242,245,240,.07) .5px,transparent .5px);
  background-size:3px 3px;
}
img,svg,video{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.15;margin:0;font-weight:800}
p{margin:0 0 1em;max-width:62ch}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
a{color:inherit}
button{font:inherit}
::selection{background:var(--lime);color:var(--ink)}
a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
}
.container{width:min(calc(100% - var(--gutter) * 2),var(--wrap));margin-inline:auto}
.section{padding-block:clamp(40px,6vw,84px)}
.eyebrow{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--lime);
  margin:0 0 18px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--orange);border-radius:2px;flex:none}
.display-title{
  font-size:clamp(36px,8vw,88px);
  font-weight:900;
  letter-spacing:-.03em;
  line-height:.95;
  margin:0;
  color:var(--mist);
}
.lede{
  font-size:clamp(16px,1.6vw,19px);
  line-height:1.6;
  color:var(--sage);
  max-width:58ch;
  margin:18px 0 0;
}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--lime);font-weight:700;letter-spacing:0}
.rule{border:0;height:1px;background:var(--line);margin:0}
.zone{position:relative;z-index:2}
.zone--deep{background:var(--ink-2)}
.zone--paper{background:var(--paper);color:var(--ink)}
.zone--paper .lede{color:#3F5A52}
.zone--paper .display-title{color:var(--ink)}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(16px,2.4vw,32px)}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-12{grid-column:span 12}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 22px;
  border-radius:var(--pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn--lime{background:var(--lime);color:var(--ink-3)}
.btn--lime:hover{background:var(--lime-soft)}
.btn--orange{background:var(--orange);color:var(--ink-3)}
.btn--orange:hover{background:var(--orange-soft)}
.btn--ghost{background:transparent;color:var(--mist);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime)}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}
.pill{
  appearance:none;
  border:1px solid var(--line);
  background:transparent;
  color:var(--sage);
  border-radius:var(--pill);
  padding:8px 15px;
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.08em;
  cursor:pointer;
  transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);
}
.pill:hover{color:var(--mist);border-color:var(--sage)}
.pill[aria-pressed="true"]{background:var(--lime);border-color:var(--lime);color:var(--ink-3);font-weight:700}
.breadcrumb{margin:0 0 26px}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--sage)}
.breadcrumb-item{display:flex;align-items:center;gap:8px}
.breadcrumb-item + .breadcrumb-item::before{content:"/";color:rgba(126,154,144,.6)}
.breadcrumb-item a{color:var(--sage);text-decoration:none}
.breadcrumb-item a:hover{color:var(--lime)}
.breadcrumb-current{color:var(--mist)}
.media{position:relative;display:block;overflow:hidden;border-radius:var(--radius-xl);background:linear-gradient(145deg,var(--ink-2),var(--ink) 55%,var(--ink-3));isolation:isolate}
.media-frame{position:relative;aspect-ratio:16/9;width:100%}
.media--wide{aspect-ratio:21/9}
.media--square{aspect-ratio:1/1}
.media--tall{aspect-ratio:4/5}
.media-img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;display:block}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:2;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(6,18,15,0) 42%,rgba(10,31,26,.86) 100%);
}
.media-caption{
  position:absolute;
  z-index:3;
  left:18px;
  right:18px;
  bottom:16px;
  margin:0;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--lime-soft);
}
[data-reveal]{transition:opacity .32s var(--ease),transform .32s var(--ease)}
.js-reveal [data-reveal]:not(.is-revealed){opacity:0;transform:translateY(12px)}
[data-reveal].is-revealed{opacity:1;transform:none}
[data-filter-item][hidden]{display:none}
.is-entering{animation:itemIn .32s var(--ease) both}
@keyframes itemIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- header ---------- */
.skip-link{
  position:absolute;
  left:16px;
  top:8px;
  z-index:120;
  transform:translateY(-180%);
  background:var(--lime);
  color:var(--ink-3);
  padding:10px 18px;
  border-radius:var(--pill);
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:none}
.site-header{position:sticky;top:0;z-index:50}
.header-strip{
  background:var(--ink-3);
  color:var(--sage);
  overflow:hidden;
  max-height:80px;
  transition:max-height .34s var(--ease),opacity .2s linear;
}
.site-header[data-scrolled] .header-strip{max-height:0;opacity:0}
.strip-inner{
  width:min(calc(100% - var(--gutter) * 2),var(--wrap));
  margin-inline:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-block:10px;
}
.strip-brand{
  display:flex;
  align-items:center;
  gap:9px;
  margin:0;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--sage);
  white-space:nowrap;
}
.strip-dot{width:7px;height:7px;border-radius:50%;background:var(--orange);flex:none}
.strip-utility{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.status-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 12px;
  border-radius:var(--pill);
  background:rgba(200,255,61,.12);
  color:var(--lime);
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.09em;
  white-space:nowrap;
}
.status-chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);flex:none}
.utility-link{
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.09em;
  color:var(--sage);
  text-decoration:none;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.utility-link:hover{color:var(--lime);border-color:var(--lime)}
.header-bar{
  position:relative;
  background:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.bar-inner{
  width:min(calc(100% - var(--gutter) * 2),var(--wrap));
  min-height:var(--header-h);
  margin-inline:auto;
  display:flex;
  align-items:center;
  gap:clamp(14px,3vw,40px);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex:none;
  text-decoration:none;
  color:var(--mist);
}
.brand-mark{
  display:inline-flex;
  align-items:flex-end;
  justify-content:center;
  gap:3px;
  width:40px;
  height:40px;
  padding:9px 0;
  border-radius:12px;
  background:var(--lime);
  flex:none;
}
.brand-beam{width:3px;border-radius:2px;background:var(--ink-3)}
.brand-beam:nth-child(1){height:55%}
.brand-beam:nth-child(2){height:100%}
.brand-beam:nth-child(3){height:38%}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-size:17px;font-weight:900;letter-spacing:.04em}
.brand-sub{font-family:var(--mono);font-size:9px;letter-spacing:.24em;color:var(--sage);margin-top:4px}
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  margin-left:auto;
  padding:9px 15px;
  border-radius:var(--pill);
  border:1px solid var(--line);
  background:transparent;
  color:var(--mist);
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.12em;
  cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle-bar{display:block;width:16px;height:2px;border-radius:2px;background:currentColor;transition:transform .25s var(--ease),opacity .2s linear}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.site-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:2px;list-style:none}
.nav-item{display:block}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 13px;
  border-radius:var(--pill);
  color:var(--mist);
  font-size:15px;
  font-weight:600;
  text-decoration:none;
  white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.nav-link:hover{background:rgba(200,255,61,.12);color:var(--lime)}
.nav-link[aria-current="page"]{background:var(--lime-soft);color:var(--ink-3)}
.nav-index{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:var(--sage)}
.nav-link[aria-current="page"] .nav-index{color:#3F5A52}
.header-progress{height:2px;background:rgba(126,154,144,.18)}
.progress-fill{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--lime),var(--orange));transition:width .12s linear}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  z-index:2;
  background:var(--ink-3);
  color:var(--mist);
  border-top:1px solid var(--line-strong);
  padding-block:clamp(44px,6vw,84px) 26px;
}
.footer-top{
  width:min(calc(100% - var(--gutter) * 2),var(--wrap));
  margin-inline:auto;
  display:grid;
  grid-template-columns:minmax(250px,1fr) 2fr;
  gap:clamp(32px,5vw,72px);
}
.footer-intro{min-width:0}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--mist);
  font-size:clamp(24px,3vw,32px);
  font-weight:900;
  letter-spacing:-.01em;
  line-height:1;
  text-decoration:none;
}
.footer-dot{width:10px;height:10px;border-radius:50%;background:var(--orange);flex:none}
.footer-tagline{margin:18px 0 0;max-width:34ch;color:var(--sage);font-size:15px;line-height:1.6}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,3vw,32px);min-width:0}
.footer-col{min-width:0}
.footer-col-title{
  margin:0 0 14px;
  font-family:var(--mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--lime);
}
.footer-links{list-style:none;display:grid;gap:9px}
.footer-link{
  display:inline-block;
  color:var(--mist);
  font-size:15px;
  text-decoration:none;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
  word-break:break-word;
}
.footer-link:hover{color:var(--lime);border-color:var(--lime)}
.footer-contact{
  font-family:var(--mono);
  font-size:12.5px;
  line-height:1.6;
  color:var(--sage);
  word-break:break-word;
}
.footer-bottom{
  width:min(calc(100% - var(--gutter) * 2),var(--wrap));
  margin:clamp(30px,5vw,56px) auto 0;
  padding-top:20px;
  border-top:1px solid rgba(126,154,144,.2);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
}
.footer-legal{margin:0;font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--sage);max-width:none}
.footer-note{margin:0;font-size:13px;line-height:1.5;color:var(--sage);max-width:56ch}
.to-top{
  position:fixed;
  right:clamp(14px,3vw,28px);
  bottom:clamp(14px,3vw,28px);
  z-index:60;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 18px;
  border-radius:var(--pill);
  background:var(--orange);
  color:var(--ink-3);
  font-family:var(--mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  text-decoration:none;
  opacity:0;
  visibility:hidden;
  transform:translateY(16px);
  box-shadow:0 12px 28px rgba(6,18,15,.5);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s,background-color .2s var(--ease);
}
.to-top[data-visible]{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--lime)}
.to-top-arrow{font-size:14px;line-height:1;display:inline-block;font-family:var(--mono)}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .strip-utility .utility-link{display:none}
  .strip-utility .utility-link:first-of-type{display:inline-flex}
}
@media (max-width:960px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    margin:0;
    padding-inline:var(--gutter);
    background:var(--ink-2);
    border-bottom:1px solid var(--line-strong);
    max-height:0;
    overflow:hidden;
    opacity:0;
    visibility:hidden;
    transition:max-height .34s var(--ease),opacity .22s linear,visibility .22s;
  }
  .site-nav[data-open]{
    max-height:min(76vh,540px);
    overflow-y:auto;
    opacity:1;
    visibility:visible;
    padding-block:12px 22px;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{justify-content:flex-start;gap:12px;padding:14px 12px;border-radius:var(--radius-md);font-size:16px;border-bottom:1px solid rgba(126,154,144,.14)}
  .nav-link[aria-current="page"]{border-bottom-color:var(--lime)}
  .grid-12 > .span-4,.grid-12 > .span-5,.grid-12 > .span-6,.grid-12 > .span-7,.grid-12 > .span-8{grid-column:1/-1}
  .footer-top{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:720px){
  .header-strip{display:none}
  .strip-inner{padding-block:8px}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .brand-sub{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  .js-reveal [data-reveal]:not(.is-revealed){opacity:1;transform:none}
  .btn:hover{transform:none}
}