*,*::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,address,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}

:root{
  --night:#061826;
  --deep:#0B2740;
  --slate:#17384F;
  --stone:#8D9AA5;
  --moss:#5E7F6A;
  --clay:#B86B4B;
  --cyan:#24E6D2;
  --orange:#FF7A2F;
  --lime:#D8FF3F;
  --paper:#F4EFE3;
  --alert:#FF5D5D;
  --ink:#020B12;

  --rail-w:84px;
  --bar-h:56px;
  --container:1180px;

  --font-display:"HarmonyOS Sans SC","PingFang SC","Arial Narrow","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","DIN Alternate",SFMono-Regular,ui-monospace,Menlo,monospace;

  --border:2px solid var(--ink);
  --shadow-hard:6px 6px 0 var(--ink);
  --shadow-soft:4px 4px 0 var(--ink);
  --ease:cubic-bezier(.22,.61,.36,1);
}
@media (min-width:900px){:root{--bar-h:72px}}

body{
  position:relative;
  min-height:100vh;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--paper);
  background-color:var(--night);
  background-image:
    radial-gradient(1200px 620px at 84% -12%,rgba(36,230,210,.12),transparent 62%),
    radial-gradient(900px 520px at 2% 6%,rgba(255,122,47,.09),transparent 64%),
    radial-gradient(760px 520px at 50% 112%,rgba(94,127,106,.16),transparent 70%),
    linear-gradient(180deg,#061826 0%,#0B2740 46%,#061826 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(244,239,227,.022) 0 1px,transparent 1px 4px);
}
@media (min-width:1100px){body{padding-left:var(--rail-w)}}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.08;
  letter-spacing:-.03em;
  color:var(--paper);
}
h1{font-size:34px}
h2{font-size:24px}
h3{font-size:19px}
h4{font-size:16px}
@media (min-width:900px){
  h1{font-size:58px}
  h2{font-size:34px}
  h3{font-size:23px}
}
strong{font-weight:800}

:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.btn:focus-visible,.nav-toggle:focus-visible,.to-top:focus-visible,.footer-logo:focus-visible{outline-color:var(--paper)}

/* ---------- layout ---------- */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 18px;
}
@media (min-width:900px){.container{padding:0 28px}}
.site-main{
  position:relative;
  z-index:1;
  padding-top:calc(var(--bar-h) + 26px);
}
.section{padding:40px 0}
@media (min-width:900px){.section{padding:56px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px 16px;margin-bottom:22px}
.section-title{font-size:24px}
@media (min-width:900px){.section-title{font-size:34px}}
.lede{max-width:34em;color:rgba(244,239,227,.78);font-size:16px;line-height:1.8}
.grid{display:grid;gap:18px}
.grid-2{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr))}
.grid-3{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr))}

/* ---------- header ---------- */
.skip-link{
  position:fixed;
  left:12px;
  top:-90px;
  z-index:200;
  padding:10px 16px;
  background:var(--lime);
  color:var(--ink);
  border:var(--border);
  border-radius:2px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:14px;
  transition:top .18s var(--ease);
}
.skip-link:focus{top:12px}

.scroll-progress{
  position:fixed;
  top:0;left:0;right:0;
  height:3px;
  z-index:110;
  background:rgba(2,11,18,.55);
  pointer-events:none;
}
.scroll-progress-bar{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--cyan),var(--lime) 70%,var(--orange));
  transition:width .1s linear;
}
@media (min-width:1100px){.scroll-progress{left:var(--rail-w)}}

.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
}
.brand-rail{display:none}
@media (min-width:1100px){
  .brand-rail{
    position:fixed;
    top:0;left:0;bottom:0;
    z-index:101;
    width:var(--rail-w);
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    padding:22px 0 26px;
    background:linear-gradient(180deg,#0B2740,#061826 62%,#04121c);
    border-right:var(--border);
  }
  .rail-mark{
    writing-mode:vertical-rl;
    font-family:var(--font-display);
    font-weight:800;
    font-size:17px;
    letter-spacing:.06em;
    color:var(--paper);
  }
  .rail-line{
    flex:1 1 auto;
    width:2px;
    min-height:60px;
    background:linear-gradient(180deg,var(--cyan),rgba(36,230,210,.05));
  }
  .rail-text{
    writing-mode:vertical-rl;
    font-family:var(--font-mono);
    font-size:10px;
    letter-spacing:.34em;
    color:var(--stone);
  }
  .rail-dots{display:flex;flex-direction:column;gap:5px}
  .rail-dots i{width:7px;height:7px;background:var(--orange);display:block}
  .rail-dots i:nth-child(1){background:var(--cyan)}
  .rail-dots i:nth-child(3){background:var(--stone);opacity:.6}
}

.header-bar{
  background:transparent;
  border-bottom:2px solid transparent;
  transition:background .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.site-header.is-scrolled .header-bar{
  background:rgba(11,39,64,.97);
  border-bottom-color:var(--ink);
  box-shadow:0 12px 32px rgba(2,11,18,.55);
}
@media (min-width:1100px){.header-bar{padding-left:var(--rail-w)}}

.header-inner{
  display:flex;
  align-items:center;
  gap:12px;
  width:100%;
  max-width:var(--container);
  min-height:var(--bar-h);
  margin:0 auto;
  padding:10px 16px;
  border:2px solid rgba(2,11,18,.85);
  border-radius:2px;
  background:rgba(11,39,64,.72);
}
@media (min-width:900px){
  .header-inner{padding:12px 22px;background:transparent;border-color:transparent}
  .site-header.is-scrolled .header-inner{border-color:transparent}
}
@media (min-width:1100px){
  .header-inner{padding:12px 0}
}
@media (max-width:899px){
  .header-inner{margin:8px 10px 0;border-radius:999px;backdrop-filter:blur(8px);max-width:calc(100% - 20px)}
}

.brand{display:flex;align-items:center;gap:10px;margin-right:auto;min-width:0}
.brand-signal{
  flex:0 0 auto;
  width:11px;height:11px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(36,230,210,.16),0 0 14px rgba(36,230,210,.9);
  animation:signal-pulse 2.6s var(--ease) infinite;
}
@keyframes signal-pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.55;transform:scale(.86)}
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-name{
  font-family:var(--font-display);
  font-weight:800;
  font-size:16px;
  letter-spacing:-.02em;
  color:var(--paper);
  white-space:nowrap;
}
.brand-sub{
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:.14em;
  color:var(--stone);
  white-space:nowrap;
}
@media (min-width:900px){
  .brand-name{font-size:18px}
  .brand-sub{font-size:10.5px}
}

.site-nav{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-list{display:flex;align-items:center;gap:4px;counter-reset:navitem}
.nav-item{display:block}
.nav-link{
  display:block;
  padding:8px 11px;
  font-family:var(--font-display);
  font-size:13px;
  font-weight:700;
  letter-spacing:-.01em;
  color:rgba(244,239,227,.74);
  border:2px solid transparent;
  border-radius:2px;
  counter-increment:navitem;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.nav-link::before{
  content:"0" counter(navitem);
  margin-right:7px;
  font-family:var(--font-mono);
  font-size:10px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--cyan);
  opacity:.8;
}
.nav-link:hover{background:var(--slate);color:var(--paper);border-color:var(--ink)}
.nav-link[aria-current="page"]{
  background:var(--cyan);
  color:var(--ink);
  border-color:var(--ink);
  box-shadow:3px 3px 0 var(--ink);
}
.nav-link[aria-current="page"]::before{color:var(--ink);opacity:.6}
.nav-actions{display:none;align-items:center;gap:8px;margin-left:8px}
@media (min-width:1100px){.nav-actions{display:flex}}
@media (min-width:900px) and (max-width:1099px){
  .nav-link{padding:8px 8px;font-size:12.5px}
  .nav-link::before{display:none}
}

.nav-toggle{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  background:var(--slate);
  border:var(--border);
  border-radius:999px;
  color:var(--paper);
  font-family:var(--font-display);
  font-weight:800;
  font-size:12px;
  letter-spacing:.06em;
  box-shadow:3px 3px 0 var(--ink);
  transition:background .16s var(--ease),box-shadow .16s var(--ease),transform .16s var(--ease);
}
.nav-toggle:hover{background:var(--deep)}
.nav-toggle:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.nav-toggle-bars{display:flex;flex-direction:column;justify-content:space-between;width:16px;height:11px}
.nav-toggle-bars i{display:block;width:100%;height:2px;background:var(--cyan);transition:transform .18s var(--ease),opacity .18s var(--ease)}
.nav-toggle[aria-expanded="true"]{background:var(--cyan);color:var(--ink);border-color:var(--ink)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i{background:var(--ink)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:first-child{transform:translateY(4.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:last-child{transform:translateY(-4.5px) rotate(-45deg)}
@media (min-width:900px){.nav-toggle{display:none}}

@media (max-width:899px){
  .site-nav{
    position:fixed;
    left:10px;right:10px;
    top:calc(var(--bar-h) + 18px);
    z-index:105;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:14px;
    margin:0;
    padding:16px;
    max-height:calc(100vh - var(--bar-h) - 42px);
    overflow-y:auto;
    background:rgba(11,39,64,.99);
    border:var(--border);
    border-radius:2px;
    box-shadow:var(--shadow-hard);
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px) scale(.99);
    transform-origin:top center;
    transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s var(--ease);
  }
  .site-nav[data-open]{opacity:1;visibility:visible;transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{
    padding:12px;
    font-size:15px;
    border-bottom:2px solid rgba(2,11,18,.55);
  }
  .nav-link::before{font-size:11px;margin-right:9px}
  .nav-link[aria-current="page"]{border-bottom-color:var(--ink)}
  .nav-actions{display:flex;flex-direction:column;gap:8px;margin:0}
  .nav-actions .btn{width:100%}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 18px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:14px;
  letter-spacing:-.01em;
  border:var(--border);
  border-radius:2px;
  background:var(--slate);
  color:var(--paper);
  box-shadow:var(--shadow-soft);
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),background .16s var(--ease),color .16s var(--ease);
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--ink)}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.btn-primary{background:var(--orange);color:var(--ink)}
.btn-primary:hover{background:#ff8c4d}
.btn-ghost{background:transparent;color:var(--cyan);border-color:var(--cyan)}
.btn-ghost:hover{background:rgba(36,230,210,.14);color:var(--cyan)}
.btn-block{width:100%}

/* ---------- text & misc components ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:4px 10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--cyan);
  background:rgba(23,56,79,.75);
  border:var(--border);
  border-radius:2px;
  box-shadow:3px 3px 0 var(--ink);
}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.score{
  font-family:var(--font-mono);
  font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.06em;
  color:var(--lime);
  line-height:1;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 9px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--paper);
  background:rgba(141,154,165,.16);
  border:2px solid rgba(141,154,165,.42);
  border-radius:999px;
}
.tag--cyan{color:var(--cyan);border-color:rgba(36,230,210,.55);background:rgba(36,230,210,.1)}
.tag--moss{color:#cfe3d5;border-color:var(--moss);background:rgba(94,127,106,.24)}
.tag--clay{color:#ffd9c8;border-color:var(--clay);background:rgba(184,107,75,.26)}

.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0 0 20px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--stone);
}
.breadcrumbs a{color:var(--stone);border-bottom:2px solid rgba(141,154,165,.35);transition:color .16s var(--ease),border-color .16s var(--ease)}
.breadcrumbs a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--lime)}
.sep{opacity:.45}

.card{
  position:relative;
  padding:18px;
  background:linear-gradient(158deg,rgba(23,56,79,.95),rgba(11,39,64,.95));
  border:var(--border);
  border-radius:2px;
  box-shadow:var(--shadow-hard);
}
.card--flat{box-shadow:none}
.card-title{font-size:19px;margin-bottom:8px}
@media (min-width:900px){.card-title{font-size:22px}}

/* image containers for page stage */
.media{
  position:relative;
  overflow:hidden;
  border:var(--border);
  border-radius:2px;
  box-shadow:var(--shadow-hard);
  background:linear-gradient(135deg,#0B2740,#17384F 58%,#0e2a3d);
}
.media img{width:100%;height:100%;object-fit:cover;filter:saturate(1.06) contrast(1.04)}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(6,24,38,0) 40%,rgba(6,24,38,.74));
}
.media--wide{aspect-ratio:16/9}
.media--tall{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}
.media-caption{
  position:absolute;
  left:12px;right:12px;bottom:10px;
  z-index:2;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:rgba(244,239,227,.84);
}

/* reveal */
.js-reveal [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.js-reveal [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:72px;
  padding:58px 0 26px;
  background:linear-gradient(180deg,rgba(11,39,64,.55),#0B2740 34%,#061826);
  border-top:var(--border);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:6px;
  background-image:repeating-linear-gradient(135deg,var(--cyan) 0 12px,rgba(6,24,38,.9) 12px 24px);
  opacity:.9;
}
.footer-top{display:grid;gap:34px}
@media (min-width:820px){
  .footer-top{grid-template-columns:1fr 1fr;gap:34px}
  .footer-contact{grid-column:1 / -1}
}
@media (min-width:1080px){
  .footer-top{grid-template-columns:1.15fr 1.25fr 1.1fr}
  .footer-contact{grid-column:auto}
}

.footer-logo{
  display:inline-flex;
  align-items:baseline;
  gap:4px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:26px;
  letter-spacing:-.04em;
  color:var(--paper);
}
.footer-logo span{color:var(--cyan);font-size:15px;letter-spacing:.02em}
.footer-tagline{
  margin-top:10px;
  max-width:30em;
  font-size:14px;
  line-height:1.8;
  color:rgba(244,239,227,.72);
}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{
  padding:4px 10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--stone);
  border:2px solid rgba(141,154,165,.4);
  border-radius:999px;
}
.chip--cyan{color:var(--cyan);border-color:rgba(36,230,210,.5);background:rgba(36,230,210,.08)}
.chip--moss{color:#cfe3d5;border-color:rgba(94,127,106,.85);background:rgba(94,127,106,.22)}

.footer-nav{display:grid;gap:26px;grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
.footer-group-title{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:12px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.22em;
  color:var(--stone);
}
.footer-group-title::before{
  content:"";
  width:9px;height:9px;
  background:var(--cyan);
  border:1px solid var(--ink);
  display:block;
}
.footer-list{display:flex;flex-direction:column;gap:2px}
.footer-link{
  display:inline-block;
  padding:5px 0;
  font-size:14px;
  color:rgba(244,239,227,.78);
  border-bottom:2px solid transparent;
  transition:color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.footer-link:hover{color:var(--cyan);border-bottom-color:var(--cyan);transform:translateX(3px)}

.contact-list{display:flex;flex-direction:column;gap:10px}
.contact-list li{
  display:grid;
  gap:2px;
  padding-bottom:10px;
  border-bottom:1px dashed rgba(141,154,165,.26);
}
.contact-label{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.18em;
  color:var(--stone);
}
.contact-value{
  font-size:14px;
  line-height:1.7;
  color:var(--paper);
  overflow-wrap:anywhere;
}
.contact-list li:first-child .contact-value{font-family:var(--font-mono);font-size:13px}
.contact-note{
  margin-top:14px;
  padding:10px 12px;
  font-size:12.5px;
  line-height:1.75;
  color:rgba(244,239,227,.7);
  background:rgba(23,56,79,.5);
  border-left:3px solid var(--clay);
}

.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 22px;
  margin-top:40px;
  padding-top:18px;
  border-top:2px solid rgba(2,11,18,.9);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--stone);
}
.footer-legal{color:rgba(244,239,227,.8)}
.footer-icp{color:var(--stone)}
.footer-note{color:rgba(141,154,165,.85)}
@media (min-width:900px){.footer-note{margin-left:auto}}

.to-top{
  position:fixed;
  right:14px;
  bottom:14px;
  z-index:90;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:10px 14px;
  background:var(--cyan);
  color:var(--ink);
  border:var(--border);
  border-radius:2px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:12px;
  letter-spacing:.08em;
  box-shadow:var(--shadow-soft);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s var(--ease);
}
.to-top.is-active{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--lime)}
@media (min-width:900px){.to-top{right:24px;bottom:24px}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js-reveal [data-reveal]{opacity:1 !important;transform:none !important}
  .btn:hover,.footer-link:hover{transform:none}
}