:root{
  --void:#050A1A;
  --panel:#0B1533;
  --card:#12224D;
  --orange:#FF6B2C;
  --orange-hi:#FF9A62;
  --violet:#8B5CF6;
  --green:#39FF88;
  --ink:#E8EEFF;
  --muted:#9AA8C7;
  --line:#2A3A66;
  --radius-xl:32px;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --pill:999px;
  --wrap:1280px;
  --gutter:clamp(16px,4vw,40px);
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --ease-out:cubic-bezier(.22,.75,.28,1);
  --shadow-orange:0 10px 30px rgba(255,107,44,.28);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:
    radial-gradient(1100px 620px at 84% -12%,rgba(139,92,246,.20),transparent 62%),
    radial-gradient(820px 480px at 4% 2%,rgba(255,107,44,.13),transparent 58%),
    var(--void);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.01em;margin:0;font-weight:800}
p{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}
img,svg{display:block;max-width:100%}
[hidden]{display:none !important}
::selection{background:var(--orange);color:#0A0500}
:focus-visible{outline:2px solid var(--green);outline-offset:3px}

.mono{font-family:var(--font-mono);letter-spacing:.04em}
.container{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(40px,6vw,80px)}
.section--tight{padding-block:clamp(26px,4vw,48px)}
.stack > * + *{margin-top:16px}
.grid{display:grid;gap:clamp(16px,2.4vw,24px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.section-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:clamp(20px,3vw,32px)}

.display-1{font-size:clamp(34px,7vw,88px);font-weight:800;line-height:1.02;letter-spacing:-.025em}
.display-2{font-size:clamp(28px,4.4vw,64px);font-weight:800;line-height:1.06;letter-spacing:-.02em}
.section-title{font-size:clamp(22px,3vw,40px);font-weight:800}
.lede{font-size:clamp(15px,1.4vw,18px);line-height:1.75;color:var(--muted);max-width:42ch}
.prose{color:var(--muted)}
.prose p{line-height:1.78}
.prose p + p{margin-top:.9em}
.prose strong{color:var(--ink);font-weight:500}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--orange);
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--orange),var(--violet))}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--pill);
  font-size:14px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease-out),background .18s var(--ease-out),border-color .18s var(--ease-out),color .18s var(--ease-out);
}
.btn-primary{background:linear-gradient(120deg,var(--orange),#FF4D00);color:#170600;box-shadow:var(--shadow-orange)}
.btn-primary:hover{background:linear-gradient(120deg,var(--orange-hi),var(--orange));transform:translateY(-2px)}
.btn-ghost{background:rgba(18,34,77,.72);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange-hi);transform:translateY(-2px)}
.btn-sm{padding:8px 14px;font-size:12px;font-family:var(--font-mono);letter-spacing:.04em}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80}
.skip-link{
  position:absolute;left:12px;top:-64px;z-index:120;
  padding:10px 18px;border-radius:var(--pill);
  background:var(--green);color:#03130A;font-weight:700;font-size:14px;
  transition:top .2s var(--ease-out);
}
.skip-link:focus{top:12px}

.hud-strip{
  background:linear-gradient(90deg,rgba(11,21,51,.98),rgba(5,10,26,.98) 58%,rgba(139,92,246,.26));
  border-bottom:1px solid rgba(42,58,102,.75);
}
.hud-inner{
  max-width:var(--wrap);margin-inline:auto;
  display:flex;align-items:center;gap:18px;
  padding:7px var(--gutter);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--muted);
}
.hud-brand{color:var(--orange);font-weight:700;white-space:nowrap}
.hud-slash{opacity:.45;margin-inline:.3em;color:var(--muted)}
.hud-tagline{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hud-status{margin-left:auto;display:inline-flex;align-items:center;gap:7px;color:var(--ink);white-space:nowrap}
.hud-dot{
  width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 3px rgba(57,255,136,.16),0 0 12px rgba(57,255,136,.75);
}

.nav-bar{
  position:relative;
  background:rgba(5,10,26,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--wrap);margin-inline:auto;
  display:flex;align-items:center;gap:18px;
  padding:10px var(--gutter);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  display:grid;place-items:center;width:38px;height:38px;border-radius:12px;
  background:linear-gradient(140deg,var(--orange),#FF4D00 58%,var(--violet));
  color:#0A0500;font-family:var(--font-mono);font-weight:700;font-size:13px;letter-spacing:.02em;
  box-shadow:0 8px 20px rgba(255,107,44,.30);
}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em}
.brand-sub{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;color:var(--muted)}

.site-nav{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:8px 13px;border-radius:var(--pill);
  border:1px solid transparent;
  color:var(--muted);font-size:14px;font-weight:500;
  transition:color .18s var(--ease-out),background .18s var(--ease-out),border-color .18s var(--ease-out);
}
.nav-link:hover{color:var(--ink);border-color:var(--line);background:rgba(18,34,77,.75)}
.nav-idx{font-family:var(--font-mono);font-size:10px;letter-spacing:.06em;color:var(--violet);transition:color .18s var(--ease-out)}
.nav-link[aria-current="page"]{
  background:var(--orange);border-color:var(--orange);color:#120500;font-weight:700;
  box-shadow:0 8px 22px rgba(255,107,44,.34);
}
.nav-link[aria-current="page"] .nav-idx{color:#3A1200}
.nav-link[aria-current="page"]:hover{background:var(--orange-hi);border-color:var(--orange-hi)}
.nav-cta{flex:0 0 auto}

.nav-toggle{
  display:none;margin-left:auto;align-items:center;gap:9px;
  padding:9px 14px;border-radius:var(--pill);
  border:1px solid var(--line);background:rgba(18,34,77,.85);color:var(--ink);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;cursor:pointer;
}
.nav-toggle-bars{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:currentColor;transition:background .18s var(--ease-out)}
.nav-toggle-bars::before,.nav-toggle-bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:currentColor;
  transition:transform .2s var(--ease-out);
}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{transform:translateY(-6px) rotate(-45deg)}

.scroll-progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:linear-gradient(90deg,var(--violet),var(--orange),var(--green));
  box-shadow:0 0 12px rgba(255,107,44,.65);
  transition:width .1s linear;
}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-block:18px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--muted);
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li + li::before{content:"/";color:var(--line)}
.breadcrumb a{color:var(--muted);border-bottom:1px dashed transparent;transition:color .18s var(--ease-out),border-color .18s var(--ease-out)}
.breadcrumb a:hover{color:var(--orange-hi);border-bottom-color:var(--orange-hi)}

/* ---------- surfaces ---------- */
.card{
  position:relative;
  background:linear-gradient(160deg,rgba(18,34,77,.92),rgba(11,21,51,.92));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(18px,2.4vw,26px);
  transition:transform .18s var(--ease-out),border-color .18s var(--ease-out);
}
.card:hover{transform:translateY(-4px);border-color:var(--orange)}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);padding:clamp(16px,2vw,22px)}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 11px;border-radius:var(--pill);
  border:1px solid var(--line);background:rgba(139,92,246,.14);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.05em;color:#CBB9FF;
}
.chip--green{background:rgba(57,255,136,.10);border-color:rgba(57,255,136,.42);color:#9BFFC4}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 9px;border-radius:var(--radius-sm);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  border:1px solid var(--line);background:rgba(18,34,77,.9);color:var(--muted);
}
.tag--orange{border-color:rgba(255,107,44,.55);background:rgba(255,107,44,.14);color:var(--orange-hi)}
.tag--violet{border-color:rgba(139,92,246,.55);background:rgba(139,92,246,.16);color:#C9B4FF}
.tag--green{border-color:rgba(57,255,136,.5);background:rgba(57,255,136,.12);color:#9BFFC4}
.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 10px rgba(57,255,136,.8)}

/* ---------- filter ---------- */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-block:6px}
.filter-pill{
  padding:7px 15px;border-radius:var(--pill);cursor:pointer;
  border:1px solid var(--line);background:rgba(18,34,77,.6);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;color:var(--muted);
  transition:color .18s var(--ease-out),background .18s var(--ease-out),border-color .18s var(--ease-out);
}
.filter-pill:hover{color:var(--ink);border-color:var(--orange)}
.filter-pill[aria-pressed="true"]{background:var(--orange);border-color:var(--orange);color:#120500;font-weight:700;box-shadow:0 6px 18px rgba(255,107,44,.32)}

/* ---------- media ---------- */
.media-frame{
  position:relative;overflow:hidden;isolation:isolate;
  border:1px solid var(--line);border-radius:var(--radius-xl);
  background:
    radial-gradient(120% 100% at 12% 0%,rgba(139,92,246,.42),transparent 62%),
    linear-gradient(150deg,#0B1533,#12224D 58%,rgba(255,107,44,.32));
}
.media-frame--ratio{aspect-ratio:16/9}
.media-frame--soft{border-radius:var(--radius-lg)}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(5,10,26,0) 46%,rgba(5,10,26,.62));
}
.media-cap{
  position:absolute;left:14px;bottom:12px;z-index:2;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--ink);
  padding:4px 10px;border-radius:var(--pill);
  background:rgba(5,10,26,.78);border:1px solid var(--line);
}

/* ---------- reveal ---------- */
[data-reveal]{transition:opacity .55s var(--ease-out),transform .55s var(--ease-out)}
html.js-ready [data-reveal]{opacity:0;transform:translateY(14px)}
html.js-ready [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- footer ---------- */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:clamp(56px,8vw,104px);
  background:linear-gradient(180deg,rgba(11,21,51,.94),#04060F 64%);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--orange),var(--violet),transparent);
}
.footer-glow{
  position:absolute;left:-10%;right:-10%;bottom:-46%;height:340px;pointer-events:none;
  background:
    radial-gradient(60% 100% at 50% 100%,rgba(139,92,246,.24),transparent 72%),
    radial-gradient(42% 100% at 18% 100%,rgba(255,107,44,.18),transparent 74%);
}
.footer-inner{
  position:relative;
  max-width:var(--wrap);margin-inline:auto;
  padding:clamp(36px,6vw,68px) var(--gutter) clamp(24px,4vw,36px);
  display:grid;gap:clamp(26px,3.6vw,44px);
  grid-template-columns:1.5fr .8fr .8fr 1.2fr;
}
.footer-lead{max-width:36ch}
.footer-brand{display:inline-flex;align-items:center;gap:10px}
.footer-brand-name{font-size:20px;font-weight:800;letter-spacing:-.01em}
.footer-summary{margin-top:14px;font-size:14px;line-height:1.7;color:var(--muted)}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-col-title{
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;color:var(--violet);
  margin-bottom:14px;
}
.footer-links li + li{margin-top:2px}
.footer-links a{
  display:inline-block;padding:5px 0;font-size:14px;color:var(--muted);
  transition:color .18s var(--ease-out),transform .18s var(--ease-out);
}
.footer-links a:hover{color:var(--orange-hi);transform:translateX(3px)}
.footer-contact li{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);line-height:1.7}
.footer-contact li + li{margin-top:10px}
.footer-contact-key{
  flex:0 0 40px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  color:var(--green);
}
.footer-col--contact .mono{color:var(--ink);font-size:12.5px;letter-spacing:.02em;word-break:break-all}
.footer-base{
  position:relative;
  max-width:var(--wrap);margin-inline:auto;
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  padding:16px var(--gutter) 28px;
  border-top:1px solid rgba(42,58,102,.7);
  font-size:12px;color:var(--muted);
}
.footer-legal{font-size:12px;letter-spacing:.04em}
.footer-copy{font-size:12px}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .nav-cta{display:none}
}
@media (max-width:1024px){
  .nav-inner{flex-wrap:wrap}
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;gap:10px;
    margin-left:0;padding:14px var(--gutter) 20px;
    background:rgba(6,12,30,.985);
    border-bottom:1px solid var(--line);
    box-shadow:0 26px 60px rgba(0,0,0,.6);
    max-height:calc(100vh - 96px);overflow-y:auto;
  }
  .site-nav[data-open="true"]{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:6px}
  .nav-item{width:100%}
  .nav-link{
    width:100%;justify-content:flex-start;padding:12px 15px;font-size:15px;
    background:rgba(18,34,77,.42);border-color:rgba(42,58,102,.6);
  }
  .nav-cta{display:inline-flex;width:100%}
  .footer-inner{grid-template-columns:1fr 1fr}
  .footer-lead{grid-column:1 / -1;max-width:none}
}
@media (max-width:640px){
  .hud-tagline{display:none}
  .hud-inner{gap:12px;font-size:10px}
  .brand-sub{display:none}
  .brand-name{font-size:16px}
  .footer-inner{grid-template-columns:1fr;gap:28px}
  .footer-base{flex-direction:column;align-items:flex-start;gap:6px}
  .footer-contact-key{flex-basis:34px}
}
@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.js-ready [data-reveal]{opacity:1;transform:none}
}