:root{
  --ink:#071B16;
  --ink-2:#162A25;
  --ink-3:#0B231E;
  --moss:#617E63;
  --clay:#B66B4E;
  --cream:#F4EFE1;
  --cyan:#3DF2C5;
  --cyan-deep:#2FD8AE;
  --amber:#F6B43A;
  --mist:#A8DED0;
  --sand:#D9CFB8;
  --paper:#EAE4D4;
  --line:rgba(217,207,184,.16);
  --line-soft:rgba(217,207,184,.09);
  --line-cyan:rgba(61,242,197,.34);
  --text-dim:rgba(244,239,225,.72);
  --text-faint:rgba(244,239,225,.55);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:12px;
  --pill:999px;
  --wrap:1180px;
  --gutter:clamp(18px,4.2vw,48px);
  --shadow:0 22px 48px -28px rgba(0,0,0,.95);
  --ease:cubic-bezier(.22,.7,.3,1);
  --font-display:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(92% 62% at 6% -12%,rgba(61,242,197,.11),transparent 60%),
    radial-gradient(72% 52% at 102% -4%,rgba(246,180,58,.07),transparent 64%),
    var(--ink);
  color:var(--cream);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.7;
  letter-spacing:0;
}
img,svg{display:block;max-width:100%}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit}
main{display:block}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;letter-spacing:-.03em;line-height:1.18}
:where(a,button,summary,input,textarea,select,[tabindex]):focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
  box-shadow:0 0 0 1px rgba(7,27,22,.92);
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{
  position:fixed;top:10px;left:10px;z-index:220;
  transform:translateY(-180%);
  padding:11px 20px;border-radius:var(--pill);
  background:var(--cyan);color:#04120E;font-weight:700;font-size:15px;
  transition:transform .18s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:translateY(0)}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,rgba(7,27,22,.98) 0%,rgba(9,32,26,.9) 100%);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-soft);
  box-shadow:0 18px 40px -34px rgba(0,0,0,1);
}
.head-band{
  position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--cyan) 0%,rgba(61,242,197,.14) 34%,rgba(246,180,58,.6) 74%,rgba(246,180,58,0) 100%);
  opacity:.8;
}
.head-inner{
  position:relative;
  max-width:var(--wrap);margin-inline:auto;
  padding:12px var(--gutter);
  min-height:78px;
  display:flex;align-items:center;justify-content:space-between;gap:clamp(12px,2vw,28px);
}
.head-left{display:flex;align-items:center;gap:clamp(10px,1.6vw,22px);min-width:0}
.brand-lock{
  display:inline-flex;align-items:center;gap:12px;
  padding:6px 12px 6px 6px;border-radius:var(--pill);
  border:1px solid transparent;
  transition:background .22s var(--ease),border-color .22s var(--ease);
  min-height:44px;
}
.brand-lock:hover{background:rgba(61,242,197,.07);border-color:rgba(61,242,197,.24)}
.brand-mark{
  position:relative;flex:0 0 auto;
  width:40px;height:40px;border-radius:14px;
  display:grid;place-items:center;
  background:
    radial-gradient(circle at 30% 24%,rgba(61,242,197,.55),rgba(61,242,197,0) 64%),
    linear-gradient(155deg,#103129,#071B16);
  border:1px solid rgba(61,242,197,.38);
  box-shadow:inset 0 0 18px rgba(61,242,197,.16);
}
.brand-mark::after{
  content:"";position:absolute;inset:auto 8px 7px 8px;height:1px;
  background:linear-gradient(90deg,rgba(246,180,58,.85),rgba(246,180,58,0));
}
.brand-mark-core{
  width:14px;height:14px;border:2px solid var(--cyan);border-radius:4px;
  transform:rotate(45deg);
  box-shadow:0 0 12px rgba(61,242,197,.55);
}
.brand-mark--sm{width:34px;height:34px;border-radius:11px}
.brand-mark--sm .brand-mark-core{width:12px;height:12px;border-width:2px}
.brand-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.brand-name{font-family:var(--font-display);font-size:19px;font-weight:800;letter-spacing:-.03em;line-height:1.15}
.brand-motto{font-size:11.5px;letter-spacing:.08em;color:var(--mist);line-height:1.3;white-space:nowrap}
.locator{
  display:inline-flex;align-items:center;gap:9px;
  padding-left:clamp(8px,1.4vw,18px);
  border-left:1px solid var(--line);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;
  color:var(--text-faint);white-space:nowrap;
}
.locator-label{color:var(--moss)}
.locator-code{color:var(--cyan);font-size:13px;font-weight:600}
.locator-name{color:var(--cream)}
.locator-divider{width:14px;height:1px;background:var(--line)}
.state-light{
  width:9px;height:9px;border-radius:50%;flex:0 0 auto;
  background:var(--amber);
  box-shadow:0 0 0 3px rgba(246,180,58,.16),0 0 10px rgba(246,180,58,.7);
  animation:breathe 3.8s var(--ease) infinite;
}
@keyframes breathe{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.58;transform:scale(.88)}
}
.head-right{display:flex;align-items:center;gap:12px;min-width:0}
.site-nav{display:block}
.nav-list{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-item{display:flex}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:9px 13px;border-radius:var(--pill);
  border:1px solid transparent;
  color:rgba(244,239,225,.78);font-size:14.5px;line-height:1.2;
  transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.nav-index{font-family:var(--font-mono);font-size:10px;letter-spacing:.06em;color:var(--moss);transition:color .22s var(--ease)}
.nav-link:hover{color:var(--cream);background:rgba(61,242,197,.09);border-color:rgba(61,242,197,.24)}
.nav-link:hover .nav-index{color:var(--cyan)}
.nav-link[aria-current="page"]{
  color:#04120E;font-weight:700;
  background:linear-gradient(180deg,var(--cyan),var(--cyan-deep));
  border-color:rgba(61,242,197,.5);
  box-shadow:0 10px 24px -14px rgba(61,242,197,.95);
}
.nav-link[aria-current="page"] .nav-index{color:rgba(4,18,14,.62)}
.head-cta{flex:0 0 auto}
.nav-toggle{
  display:none;
  width:46px;height:46px;flex:0 0 auto;
  border-radius:14px;
  background:rgba(22,42,37,.92);
  border:1px solid rgba(61,242,197,.34);
  color:var(--cyan);
  padding:0;
  place-items:center;
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.nav-toggle:hover{background:rgba(61,242,197,.14);border-color:var(--line-cyan)}
.nav-toggle-bar{
  display:block;width:18px;height:2px;margin:3px auto;border-radius:2px;
  background:currentColor;
  transition:transform .26s var(--ease),opacity .2s var(--ease);
}
.site-head[data-open="true"] .nav-toggle-bar:nth-child(1){transform:translateY(5px) rotate(45deg)}
.site-head[data-open="true"] .nav-toggle-bar:nth-child(2){opacity:0;transform:scaleX(.4)}
.site-head[data-open="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.nav-foot{display:none}
.nav-cta{width:100%}
.nav-foot-note{margin-top:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--text-faint);text-align:center}
.head-progress{
  position:absolute;left:0;right:0;bottom:0;height:2px;
  background:rgba(217,207,184,.08);
  overflow:hidden;
}
.head-progress-fill{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--amber));
  opacity:.9;
}

/* ---------- buttons / pills / tags ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:var(--pill);
  border:1px solid transparent;
  font-family:var(--font-body);font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn--primary{
  background:linear-gradient(180deg,var(--cyan),var(--cyan-deep));
  color:#04120E;
  box-shadow:0 14px 30px -18px rgba(61,242,197,.95);
}
.btn--primary:hover{background:linear-gradient(180deg,#5BF7D1,#3DF2C5);transform:translateY(-2px)}
.btn--ghost{background:rgba(61,242,197,.07);color:var(--cyan);border-color:var(--line-cyan)}
.btn--ghost:hover{background:rgba(61,242,197,.16);transform:translateY(-2px)}
.btn--quiet{background:transparent;color:var(--cream);border-color:var(--line)}
.btn--quiet:hover{border-color:var(--line-cyan);color:var(--cyan)}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  min-height:38px;padding:7px 16px;border-radius:var(--pill);
  border:1px solid var(--line);
  background:rgba(22,42,37,.72);
  color:var(--text-dim);font-size:14px;line-height:1.3;
  cursor:pointer;
  transition:background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.pill:hover{border-color:var(--line-cyan);color:var(--cream)}
.pill[aria-pressed="true"],.pill.is-active{
  background:rgba(61,242,197,.14);
  border-color:var(--line-cyan);
  color:var(--cyan);font-weight:700;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--pill);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;
  background:rgba(97,126,99,.22);color:var(--mist);
  border:1px solid rgba(97,126,99,.42);
}
.tag--clay{background:rgba(182,107,78,.2);color:#E3A184;border-color:rgba(182,107,78,.52)}
.tag--amber{background:rgba(246,180,58,.15);color:var(--amber);border-color:rgba(246,180,58,.46)}
.status-light{
  display:inline-block;width:9px;height:9px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 3px rgba(61,242,197,.14),0 0 10px rgba(61,242,197,.6);
}
.status-light--amber{background:var(--amber);box-shadow:0 0 0 3px rgba(246,180,58,.16),0 0 10px rgba(246,180,58,.66)}

/* ---------- layout / generic ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(48px,7vw,96px)}
.section--band{background:linear-gradient(180deg,var(--ink-3),rgba(7,27,22,.98));border-block:1px solid var(--line-soft)}
.section--paper{background:var(--paper);color:var(--ink)}
.section--paper .section-lede{color:rgba(7,27,22,.72)}
.section--paper .chapter-no{color:#2C7A63}
.section-head{display:grid;gap:12px;max-width:62ch}
.chapter-no{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.22em;
  color:var(--cyan);
}
.chapter-no::before{content:"";width:26px;height:1px;background:currentColor;opacity:.72}
.section-title{font-size:clamp(26px,4vw,44px);line-height:1.2}
.section-lede{font-size:16.5px;color:var(--text-dim);max-width:40ch}
.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-block:14px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.04em;
  color:var(--text-faint);
}
.crumb{color:var(--text-dim);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.crumb:hover{color:var(--cyan);border-bottom-color:var(--line-cyan)}
.crumb-sep{opacity:.5}
.crumb-current{color:var(--cyan)}
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.stack{display:grid;gap:14px}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.data-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:600;font-size:clamp(30px,5vw,46px);line-height:1;letter-spacing:-.03em;color:var(--cream)}
.data-line{height:1px;border:0;margin:0;background:linear-gradient(90deg,var(--line-cyan),rgba(61,242,197,0))}
.card{
  position:relative;
  background:linear-gradient(170deg,var(--ink-2),#0A211C);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:clamp(18px,2.4vw,26px);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:rgba(61,242,197,.38);box-shadow:var(--shadow)}
.card:focus-within{border-color:rgba(61,242,197,.5)}
.card-title{font-size:clamp(18px,2.2vw,22px);font-weight:800;letter-spacing:-.02em}
.card-meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--text-faint)}
.media-frame{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:16/9;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:
    radial-gradient(120% 120% at 18% 0%,rgba(61,242,197,.16),transparent 56%),
    linear-gradient(160deg,var(--ink-2),var(--ink));
}
.media-frame::after{
  content:"";position:absolute;inset:0 0 auto 0;height:2px;
  background:linear-gradient(90deg,rgba(61,242,197,.8),rgba(246,180,58,.5),transparent 78%);
  opacity:.6;
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.ratio-wide{aspect-ratio:16/9}
.ratio-square{aspect-ratio:1/1}
.ratio-tall{aspect-ratio:3/4}
.media-caption{
  display:flex;gap:10px;align-items:baseline;
  margin-top:10px;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.05em;color:var(--mist);
}
.media-caption::before{content:"";flex:0 0 18px;height:1px;background:currentColor;opacity:.6;transform:translateY(-4px)}

/* ---------- footer ---------- */
.site-foot{
  position:relative;
  background:
    radial-gradient(120% 96% at 8% -6%,rgba(61,242,197,.1),transparent 58%),
    radial-gradient(80% 70% at 100% 0%,rgba(182,107,78,.12),transparent 62%),
    linear-gradient(180deg,#0A211C,var(--ink) 62%);
  border-top:1px solid rgba(61,242,197,.2);
  color:var(--cream);
  padding-block:clamp(40px,6vw,76px) 26px;
}
.foot-band{
  position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,rgba(61,242,197,.9),rgba(97,126,99,.5) 46%,rgba(182,107,78,.6) 78%,transparent 100%);
  opacity:.75;
}
.foot-inner{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.foot-top{
  display:grid;grid-template-columns:minmax(240px,1.05fr) minmax(0,1.9fr);
  gap:clamp(28px,4vw,64px);
  align-items:start;
}
.foot-brand{display:grid;gap:16px;justify-items:start}
.foot-brand .brand-lock{padding-left:0;padding-right:0}
.foot-brand-name{font-family:var(--font-display);font-size:22px;font-weight:800;letter-spacing:-.03em}
.foot-summary{max-width:34ch;font-size:15px;line-height:1.75;color:var(--text-dim)}
.foot-chip{
  display:inline-flex;align-items:center;gap:9px;
  padding:6px 14px;border-radius:var(--pill);
  border:1px solid rgba(246,180,58,.34);
  background:rgba(246,180,58,.08);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;
  color:#F8CE86;
}
.foot-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,2.6vw,36px)}
.foot-col{display:grid;gap:14px;align-content:start}
.foot-col-title{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11.5px;font-weight:600;letter-spacing:.18em;
  color:var(--mist);
}
.foot-col-title::before{content:"";width:12px;height:2px;border-radius:2px;background:var(--clay)}
.foot-list{display:grid;gap:10px}
.foot-link{
  display:inline-block;
  font-size:15px;color:rgba(244,239,225,.8);
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.foot-link:hover{color:var(--cyan);border-bottom-color:var(--line-cyan)}
.foot-contact{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:clamp(16px,2.4vw,32px);
  margin-top:clamp(28px,4vw,48px);
  padding-top:clamp(20px,3vw,30px);
  border-top:1px dashed var(--line);
}
.contact-item{display:grid;gap:4px;min-width:0}
.contact-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--moss)}
.contact-value{font-size:15px;color:var(--cream);word-break:break-word}
.foot-legal{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;
  margin-top:clamp(20px,3vw,32px);
  padding-top:18px;
  border-top:1px solid var(--line);
}
.foot-legal-note{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.04em;color:var(--text-faint)}

/* ---------- responsive ---------- */
@media (max-width:1120px){
  .nav-link{font-size:13.5px;padding:8px 11px;gap:6px}
  .nav-index{display:none}
  .head-cta{padding:10px 16px;font-size:14px}
}
@media (max-width:900px){
  .site-head{backdrop-filter:none;background:linear-gradient(180deg,#071B16,#0A211C)}
  .head-inner{min-height:70px;padding-block:10px}
  .locator{padding-left:10px;font-size:10.5px}
  .locator-label{display:none}
  .head-cta{padding:10px 14px;font-size:14px}
  .nav-toggle{display:grid}
  .site-nav{
    position:fixed;left:12px;right:12px;bottom:12px;top:auto;
    z-index:90;
    max-height:80vh;overflow:auto;
    padding:22px 16px 16px;
    border-radius:26px;
    border:1px solid rgba(61,242,197,.3);
    background:linear-gradient(180deg,#0C2620,#071B16 88%);
    box-shadow:0 -26px 70px -26px rgba(0,0,0,.95),inset 0 0 0 1px rgba(61,242,197,.06);
    transform:translateY(calc(100% + 32px));
    opacity:0;pointer-events:none;visibility:hidden;
    transition:transform .34s var(--ease),opacity .24s var(--ease),visibility .34s;
  }
  .site-nav::before{
    content:"";position:absolute;top:9px;left:50%;transform:translateX(-50%);
    width:44px;height:3px;border-radius:2px;background:rgba(168,222,208,.34);
  }
  .site-head[data-open="true"] .site-nav{
    transform:translateY(0);
    opacity:1;pointer-events:auto;visibility:visible;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-item{width:100%}
  .nav-link{width:100%;justify-content:flex-start;padding:13px 14px;border-radius:14px;font-size:16px;min-height:48px}
  .nav-link[aria-current="page"]{border-radius:14px}
  .nav-index{display:inline;font-size:11px;color:var(--moss)}
  .nav-link[aria-current="page"] .nav-index{color:rgba(4,18,14,.6)}
  .nav-foot{display:grid;gap:0;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
  .foot-top{grid-template-columns:1fr}
  .foot-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
}
@media (max-width:720px){
  body{font-size:16px}
  .brand-motto{display:none}
  .brand-name{font-size:17.5px}
  .brand-mark{width:36px;height:36px;border-radius:12px}
  .locator-name{display:none}
  .locator-divider{display:none}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section-lede{max-width:none}
}
@media (max-width:560px){
  .head-inner{gap:8px}
  .head-cta{padding:9px 13px;font-size:13.5px;min-height:42px}
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr)}
  .foot-cols{grid-template-columns:minmax(0,1fr)}
  .foot-legal{justify-content:flex-start}
  .data-num{font-size:30px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .state-light,.status-light{animation:none!important}
  .card:hover,.btn:hover{transform:none!important}
}