*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 20px)}
body,h1,h2,h3,h4,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{max-width:100%;display:block}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:none}
h1,h2,h3,h4{line-height:1.25;font-weight:800}

:root{
  --ink-900:#0B1F1A;
  --ink-950:#111614;
  --panel:#1E2B27;
  --moss:#2F5D4E;
  --stone:#6E7A72;
  --bone:#E8E3D6;
  --acid:#B6FF3B;
  --ember:#FF5A36;
  --clay:#B56A4A;
  --glass:rgba(244,241,232,.12);
  --glass-strong:rgba(244,241,232,.2);
  --hairline:rgba(232,227,214,.14);
  --hairline-strong:rgba(232,227,214,.3);
  --rail-w:0px;
  --header-h:62px;
  --shell:1320px;
  --gutter:clamp(18px,4vw,44px);
  --r-sm:4px;
  --r-md:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --f-display:"Source Han Sans SC Heavy","Noto Sans SC","PingFang SC",system-ui,sans-serif;
  --f-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --f-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

body{
  min-height:100vh;
  padding-left:var(--rail-w);
  background-color:var(--ink-900);
  background-image:
    radial-gradient(120% 58% at 82% -12%,rgba(182,255,59,.08),transparent 62%),
    radial-gradient(92% 52% at -6% 0%,rgba(47,93,78,.34),transparent 66%),
    repeating-linear-gradient(90deg,rgba(232,227,214,.022) 0 1px,transparent 1px 96px);
  color:var(--bone);
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}

:focus-visible{outline:2px solid var(--acid);outline-offset:3px;border-radius:2px}

.skip-link{
  position:absolute;left:14px;top:-70px;z-index:200;
  display:inline-block;padding:10px 20px;
  background:var(--acid);color:#08170F;
  font-weight:800;font-size:14px;letter-spacing:.06em;
  text-decoration:none;border-radius:0 0 6px 6px;
  transition:top .18s var(--ease);
}
.skip-link:focus{top:0}

/* ---------- Header / command bar ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,rgba(11,31,26,.97),rgba(11,31,26,.9));
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--hairline);
}
.header-bar{
  display:flex;align-items:center;gap:clamp(12px,2vw,28px);
  min-height:var(--header-h);
  padding:0 var(--gutter);
}

.brand-mark{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--bone);flex:0 0 auto}
.brand-mark__glyph{display:grid;grid-template-columns:repeat(3,4px);gap:3px;align-items:end;height:22px}
.brand-mark__glyph i{display:block;width:4px;background:var(--acid);border-radius:1px}
.brand-mark__glyph i:nth-child(1){height:9px;opacity:.4}
.brand-mark__glyph i:nth-child(2){height:15px;opacity:.68}
.brand-mark__glyph i:nth-child(3){height:22px}
.brand-mark__stack{display:block}
.brand-mark__name{display:block;font-family:var(--f-display);font-weight:900;font-size:20px;line-height:1.12;letter-spacing:.06em}
.brand-mark__sub{display:block;font-family:var(--f-mono);font-size:9.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--stone);margin-top:2px}
.brand-mark:hover .brand-mark__name{color:var(--acid)}

.header-track{display:none;flex-direction:column;gap:6px;flex:1;max-width:300px;margin:0 auto}
.header-track__label{font-family:var(--f-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--stone)}
.header-track__bar{display:block;height:2px;border-radius:2px;background:rgba(232,227,214,.14);overflow:hidden}
.header-track__fill{display:block;height:100%;width:72%;border-radius:2px;background:linear-gradient(90deg,var(--moss),var(--acid))}

.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.tool-link{
  position:relative;padding-left:14px;
  font-family:var(--f-mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--bone);text-decoration:none;transition:color .2s var(--ease);
}
.tool-link::before{
  content:"";position:absolute;left:0;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;
  background:var(--ember);animation:pulse 2.8s infinite;
}
.tool-link:hover{color:var(--acid)}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,90,54,.55)}
  70%{box-shadow:0 0 0 9px rgba(255,90,54,0)}
  100%{box-shadow:0 0 0 0 rgba(255,90,54,0)}
}

.scroll-progress{
  position:absolute;left:0;bottom:-1px;width:100%;height:2px;
  background:var(--acid);box-shadow:0 0 12px rgba(182,255,59,.55);
  transform:scaleX(0);transform-origin:0 50%;pointer-events:none;
}

/* ---------- Rail nav (desktop) ---------- */
.nav-rail{
  position:fixed;top:0;left:0;z-index:70;
  width:96px;height:100vh;
  display:flex;flex-direction:column;align-items:center;
  padding:14px 0 12px;
  background:linear-gradient(180deg,var(--ink-950) 0%,rgba(17,22,20,.95) 100%);
  border-right:1px solid var(--hairline);
  overflow-y:auto;overscroll-behavior:contain;
}
.nav-rail__head{
  font-family:var(--f-mono);font-size:9px;letter-spacing:.3em;text-transform:uppercase;
  color:var(--stone);writing-mode:vertical-rl;margin-bottom:12px;
}
.nav-rail__list{display:flex;flex-direction:column;width:100%}
.nav-rail__link{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:13px 6px;text-decoration:none;color:var(--stone);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-rail__link:hover{color:var(--bone);background:var(--glass)}
.nav-rail__idx{font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;opacity:.75}
.nav-rail__text{
  writing-mode:vertical-rl;text-orientation:mixed;
  font-size:13px;letter-spacing:.16em;line-height:1.2;
}
.nav-rail__link[aria-current="page"]{color:var(--acid);background:rgba(182,255,59,.07)}
.nav-rail__link[aria-current="page"]::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;
  background:var(--acid);box-shadow:0 0 12px rgba(182,255,59,.65);
}
.nav-rail__foot{
  margin-top:auto;display:flex;flex-direction:column;align-items:center;gap:4px;
  width:54px;padding:12px 0 4px;border-top:1px solid var(--hairline);
}
.nav-rail__foot-label{font-family:var(--f-mono);font-size:9px;letter-spacing:.2em;color:var(--stone)}
.nav-rail__foot-num{font-family:var(--f-mono);font-size:15px;color:var(--acid)}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:10px 12px;border:1px solid var(--hairline-strong);border-radius:var(--r-sm);
  color:var(--bone);cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--acid);color:var(--acid);background:rgba(182,255,59,.08)}
.nav-toggle__bars{position:relative;display:block;width:16px;height:12px}
.nav-toggle__bars i{position:absolute;left:0;width:100%;height:1.5px;background:currentColor;transition:transform .24s var(--ease),opacity .2s}
.nav-toggle__bars i:nth-child(1){top:0}
.nav-toggle__bars i:nth-child(2){top:5px}
.nav-toggle__bars i:nth-child(3){top:10px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.nav-toggle__label{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase}

@media (min-width:1080px){
  :root{--rail-w:96px;--header-h:72px}
}
@media (min-width:1200px){
  .header-track{display:flex}
}
@media (max-width:1079px){
  .nav-toggle{display:inline-flex}
  .site-header[data-nav-open]{z-index:80}
  .nav-rail{
    left:0;right:0;top:0;width:auto;height:auto;max-height:88vh;
    padding:calc(var(--header-h) + 14px) var(--gutter) 26px;
    border-right:none;border-bottom:1px solid var(--moss);
    box-shadow:0 28px 70px rgba(0,0,0,.62);
    transform:translateY(-104%);visibility:hidden;
    transition:transform .34s var(--ease),visibility .34s var(--ease);
    overscroll-behavior:contain;
  }
  .nav-rail[data-open]{transform:translateY(0);visibility:visible}
  .nav-rail__head,.nav-rail__foot{display:none}
  .nav-rail__list{flex-direction:column;gap:0}
  .nav-rail__link{
    flex-direction:row;align-items:center;gap:16px;
    width:100%;padding:15px 8px;
    border-bottom:1px solid var(--hairline);
  }
  .nav-rail__link[aria-current="page"]{background:rgba(182,255,59,.08)}
  .nav-rail__link[aria-current="page"]::before{display:none}
  .nav-rail__text{writing-mode:horizontal-tb;font-size:16px;letter-spacing:.06em}
  .nav-rail__idx{width:28px;font-size:11px}
}
@media (max-width:660px){
  .tool-link{display:none}
  .brand-mark__sub{display:none}
  .header-tools{gap:10px}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border:1px solid transparent;border-radius:var(--r-sm);
  font-family:var(--f-body);font-weight:800;font-size:15px;letter-spacing:.04em;
  text-decoration:none;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn--acid{background:var(--acid);color:#08170F}
.btn--acid:hover{background:#C9FF68;transform:translateY(-1px);box-shadow:0 8px 26px rgba(182,255,59,.26)}
.btn--line{background:var(--glass);border-color:var(--hairline-strong);color:var(--bone)}
.btn--line:hover{border-color:var(--acid);color:var(--acid);background:rgba(182,255,59,.09)}
.btn--sm{padding:9px 16px;font-size:13px}

/* ---------- Layout primitives ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.shell--narrow{max-width:900px}
.section{padding-block:clamp(40px,7vw,88px)}
.section + .section{padding-top:0}

.label{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--stone);
}
.label--rule::before{content:"";width:24px;height:1px;background:currentColor;opacity:.65}
.mono{font-family:var(--f-mono);letter-spacing:.02em}

.panel{
  background:var(--panel);border:1px solid var(--hairline);
  border-radius:var(--r-md);padding:clamp(18px,3vw,28px);
}
.panel--glass{background:var(--glass);backdrop-filter:blur(10px);border-color:var(--hairline-strong)}

.tick-rule{
  height:9px;border-bottom:1px solid var(--hairline);
  background-image:repeating-linear-gradient(to right,var(--moss) 0 1px,transparent 1px 14px);
  background-size:auto 5px;background-repeat:repeat-x;background-position:left bottom;
}

/* ---------- Page head ---------- */
.page-head{padding-top:clamp(24px,4vw,44px)}
.page-title{
  font-family:var(--f-display);font-weight:900;
  font-size:clamp(34px,6vw,64px);line-height:1.06;letter-spacing:-.01em;
  margin-bottom:16px;
}
.lede{font-size:clamp(16px,1.6vw,18px);line-height:1.85;color:rgba(232,227,214,.78);max-width:62ch}

.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:0 8px;
  padding:16px 0;margin:0;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--stone);
}
.breadcrumbs li{display:inline-flex;align-items:center;gap:8px}
.breadcrumbs li:not(:last-child)::after{content:"/";color:var(--moss)}
.breadcrumbs a{color:var(--stone);text-decoration:none;transition:color .18s}
.breadcrumbs a:hover{color:var(--acid)}
.breadcrumbs [aria-current="page"]{color:var(--bone)}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:clamp(14px,2vw,22px)}
.card{
  position:relative;display:flex;flex-direction:column;gap:10px;
  padding:20px 22px;border:1px solid var(--hairline);border-radius:var(--r-md);
  background:linear-gradient(165deg,rgba(30,43,39,.92),rgba(17,22,20,.92));
  text-decoration:none;color:inherit;
  transition:border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.card:hover{border-color:var(--hairline-strong);transform:translateY(-2px);background:linear-gradient(165deg,rgba(47,93,78,.44),rgba(17,22,20,.94))}
.card__meta{font-family:var(--f-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--acid)}
.card__title{font-family:var(--f-display);font-size:19px;font-weight:800;line-height:1.35;color:var(--bone)}
.card__text{font-size:14.5px;line-height:1.8;color:rgba(232,227,214,.72)}
.card__foot{
  margin-top:auto;padding-top:8px;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--stone);
}

/* ---------- Scoreboard strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;
  background:var(--hairline);border:1px solid var(--hairline);
  border-radius:var(--r-md);overflow:hidden;
}
.stat{padding:16px 18px;background:linear-gradient(180deg,rgba(30,43,39,.95),rgba(17,22,20,.95))}
.stat__k{display:block;font-family:var(--f-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--stone)}
.stat__v{display:block;margin-top:4px;font-family:var(--f-mono);font-weight:600;font-size:clamp(22px,3vw,30px);line-height:1.15;color:var(--bone)}
.stat__v--acid{color:var(--acid)}

/* ---------- Media frame ---------- */
.media-frame{
  position:relative;display:block;overflow:hidden;
  border:1px solid var(--hairline);border-radius:var(--r-md);
  background:linear-gradient(135deg,var(--panel),var(--ink-950));
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 42%,rgba(11,31,26,.74));
}
.media-frame > img,.media-frame > picture > img{width:100%;height:100%;object-fit:cover}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--tall{aspect-ratio:3/4}
.media-frame__ph{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:rgba(232,227,214,.45);
  background-image:repeating-linear-gradient(135deg,rgba(232,227,214,.055) 0 1px,transparent 1px 14px);
}
.media-frame__tag{
  position:absolute;left:12px;bottom:12px;z-index:2;
  padding:4px 9px;border-radius:2px;
  background:var(--ink-950);border:1px solid var(--hairline-strong);
  font-family:var(--f-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--acid);
}

/* ---------- Stage nodes ---------- */
.stage-node{
  display:flex;align-items:center;gap:10px;
  padding:8px 10px;border-radius:var(--r-sm);
  color:var(--stone);text-decoration:none;font-size:14px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.stage-node:hover{color:var(--bone);background:var(--glass)}
.stage-node[data-stage-active]{color:var(--acid);background:rgba(182,255,59,.09)}

/* ---------- Prose ---------- */
.prose{font-size:17px;line-height:1.9;color:rgba(232,227,214,.86);max-width:72ch}
.prose > * + *{margin-top:1.1em}
.prose h2{font-family:var(--f-display);font-size:clamp(22px,3vw,30px);margin-top:1.8em;color:var(--bone)}
.prose h3{font-family:var(--f-display);font-size:19px;margin-top:1.6em;color:var(--bone)}
.prose ul{list-style:disc;padding-left:1.25em}
.prose li + li{margin-top:.35em}
.prose a{color:var(--acid);text-decoration:none;border-bottom:1px solid rgba(182,255,59,.4)}
.prose a:hover{border-bottom-color:var(--acid)}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:clamp(48px,8vw,96px);
  background:var(--ink-950);
  border-top:1px solid var(--hairline);
}
.footer-axis{
  display:flex;overflow-x:auto;
  border-bottom:1px solid var(--hairline);
  scrollbar-width:none;
}
.footer-axis::-webkit-scrollbar{display:none}
.footer-axis__seg{
  flex:1 0 auto;padding:12px 18px;white-space:nowrap;
  border-right:1px solid var(--hairline);
  font-family:var(--f-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--stone);
}
.footer-axis__seg:last-child{border-right:none}
.footer-axis__seg b{color:var(--clay);font-weight:600;margin-right:9px;letter-spacing:.1em}

.footer-body{
  display:grid;grid-template-columns:1.5fr 1fr 1fr;
  gap:clamp(24px,4vw,56px);
  max-width:var(--shell);margin-inline:auto;
  padding:clamp(32px,5vw,56px) var(--gutter);
}
.footer-brand__name{
  display:block;font-family:var(--f-display);font-weight:900;
  font-size:clamp(26px,4vw,38px);letter-spacing:.04em;line-height:1.1;color:var(--bone);
}
.footer-brand__line{margin-top:10px;font-size:14px;line-height:1.75;color:var(--stone);letter-spacing:.03em}
.footer-contact{margin-top:20px;display:grid;gap:12px}
.footer-contact__k{
  display:block;font-family:var(--f-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--moss);
}
.footer-contact__v{
  display:block;
  font-family:var(--f-mono);font-size:13.5px;letter-spacing:.02em;line-height:1.6;
  color:var(--bone);word-break:break-word;
}
.footer-col__title{
  font-family:var(--f-mono);font-size:10px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;
  color:var(--moss);margin-bottom:14px;
}
.footer-col__list{display:grid;gap:2px}
.footer-col__link{
  display:inline-block;padding:5px 0;
  font-size:15px;color:rgba(232,227,214,.72);text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-col__link:hover{color:var(--acid);border-bottom-color:rgba(182,255,59,.45)}

.footer-base{border-top:1px solid var(--hairline);padding:18px var(--gutter)}
.footer-base__inner{
  max-width:var(--shell);margin-inline:auto;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 26px;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--stone);
}
.footer-base__icp{color:rgba(232,227,214,.6)}
.footer-base__addr{
  font-family:var(--f-body);font-size:12px;letter-spacing:.04em;text-transform:none;
  color:var(--stone);
}

@media (max-width:900px){
  .footer-body{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:560px){
  .footer-body{grid-template-columns:1fr}
  .footer-base__inner{justify-content:flex-start}
}

@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;
  }
  .tool-link::before{animation:none;box-shadow:0 0 0 3px rgba(255,90,54,.28)}
}