@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@700&display=swap');

:root{
  --panel:#121212;
  --line:rgba(255,255,255,.13);
  --text:#e7e7ea;
  --dim:#8e8e97;
  --cream:#f4ead2;
  --gold:#e9c07c;
  --mint:#7ff0c1;
  --r:10px;
}

*,*::before,*::after{box-sizing:border-box}

html{
  scroll-behavior:smooth;
  color-scheme:dark;
  background:#000;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:#000;
  color:var(--text);
  font-family:'Space Grotesk',"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{display:block;max-width:100%;height:auto}
a{color:inherit}
p{margin:0 0 1em}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:8px}
::selection{background:var(--gold);color:#000}

.top{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;gap:10px;
  padding:8px clamp(14px,3.4vw,40px);
  background:rgba(0,0,0,.9);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}

.mark{
  display:inline-flex;align-items:center;gap:9px;flex:none;
  text-decoration:none;color:var(--cream);
  font-weight:700;font-size:18px;letter-spacing:.04em;
  padding:8px 8px 8px 0;min-height:44px;
}
.mark img{width:26px;height:26px;border-radius:8px;border:1px solid var(--line);object-fit:cover}
.mark .dot{width:11px;height:11px;border-radius:3px;background:var(--cream);box-shadow:0 0 14px rgba(244,234,210,.55);flex:none}
.mark span{white-space:nowrap}

nav{flex:1 1 auto;min-width:0;margin-left:auto}
nav p{
  margin:0;display:flex;align-items:center;gap:2px;
  overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:none;
}
nav p::-webkit-scrollbar{display:none}
nav a{
  display:inline-flex;align-items:center;gap:7px;flex:none;
  min-height:42px;padding:11px 10px;
  font-size:16px;color:var(--dim);text-decoration:none;white-space:nowrap;border-radius:8px;
  transition:color .18s ease,background .18s ease;
}
nav a i{
  width:5px;height:5px;border-radius:50%;background:#3b3b44;flex:none;
  transition:background .18s ease,box-shadow .18s ease;
}
nav a:hover,nav a:focus-visible{color:#fff;background:#151515}
nav a:hover i,nav a:focus-visible i{background:var(--gold);box-shadow:0 0 10px var(--gold)}

.call{
  flex:none;display:inline-flex;align-items:center;justify-content:center;
  min-height:42px;padding:0 16px;border-radius:999px;
  border:1px solid var(--cream);color:var(--cream);
  font-size:16px;letter-spacing:.08em;text-decoration:none;
  transition:background .18s ease,color .18s ease;
}
.call:hover,.call:focus-visible{background:var(--cream);color:#000}

.shell{
  display:grid;
  grid-template-columns:206px minmax(0,1fr);
  column-gap:clamp(20px,4.2vw,56px);
  row-gap:0;
  max-width:1180px;
  margin:0 auto;
  padding:clamp(16px,3.2vw,34px) clamp(16px,4vw,40px) 0;
}

.hero{
  grid-column:2;grid-row:1;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.7fr);
  gap:clamp(16px,3vw,38px);align-items:center;
  min-height:45vh;
  padding-bottom:clamp(18px,3vw,30px);
}
.hero-copy{min-width:0}

.badge{
  position:relative;display:inline-block;width:128px;height:28px;
  border:1px solid var(--line);border-radius:999px;background:#0c0c0c;
  overflow:hidden;
}
.badge b{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:13px;letter-spacing:.14em;color:var(--gold);opacity:0;font-weight:700;
  animation:rotate 14s linear infinite;
}
.badge b:nth-child(2){animation-delay:3.5s}
.badge b:nth-child(3){animation-delay:7s}
.badge b:nth-child(4){animation-delay:10.5s}

@keyframes rotate{
  0%{opacity:0;transform:translateY(6px)}
  3%{opacity:1;transform:translateY(0)}
  21%{opacity:1;transform:translateY(0)}
  25%{opacity:0;transform:translateY(-6px)}
  100%{opacity:0;transform:translateY(-6px)}
}

h1{
  margin:14px 0 12px;
  font-size:clamp(30px,5.6vw,54px);
  line-height:1.12;letter-spacing:-.02em;color:#fff;
  text-shadow:0 0 22px rgba(127,240,193,.18);
}

.lead{margin:0;color:var(--dim);font-size:16px;line-height:1.7;max-width:44ch}

.hero-fig{
  margin:0;position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(155deg,#101519,#090909 62%);
  aspect-ratio:4/3;display:grid;place-items:center;
  box-shadow:0 18px 40px -30px rgba(127,240,193,.55);
}
.hero-fig img{width:100%;height:100%;object-fit:cover}
.glow{
  width:58%;aspect-ratio:1;border-radius:50%;filter:blur(3px);
  background:radial-gradient(circle at 34% 28%,rgba(233,192,124,.6),rgba(127,240,193,.2) 58%,transparent 74%);
}

.rail{
  grid-column:1;grid-row:2/span 20;
  align-self:start;position:sticky;top:92px;
  padding-top:6px;
}
.rail h2{margin:0 0 6px;font-size:22px;line-height:1.3;letter-spacing:.12em;color:var(--cream)}
.rail .subtitle{margin:0 0 16px;font-size:15px;line-height:1.6;color:var(--dim)}
.rail-links{margin:0;display:flex;flex-direction:column;border-left:1px solid var(--line);padding-left:12px}
.rail-links a{
  display:flex;align-items:center;min-height:40px;padding:8px 0;
  font-size:15px;color:#9b9ba4;text-decoration:none;
  transition:color .18s ease,padding-left .18s ease;
}
.rail-links a:hover,.rail-links a:focus-visible{color:var(--gold);padding-left:6px}

main > section{
  grid-column:2;
  scroll-margin-top:96px;
  padding:clamp(26px,4.4vw,46px) 0;
  border-bottom:1px solid rgba(255,255,255,.07);
}
main > section:last-of-type{border-bottom:0}
main > section h2{
  position:relative;margin:0 0 14px;padding-bottom:12px;
  font-size:clamp(23px,3.4vw,32px);line-height:1.24;letter-spacing:-.01em;color:#fff;
}
main > section h2::after{
  content:"";position:absolute;left:0;bottom:0;width:56px;height:3px;border-radius:2px;
  background:linear-gradient(90deg,var(--gold),rgba(233,192,124,0));
}
main > section > p,
main > section li{max-width:64ch}
main > section p{margin:0 0 1em}
main > section ul,main > section ol{padding-left:1.2em;margin:0 0 1em}
main > section li{margin:0 0 .5em}
main > section strong{color:var(--cream)}
main > section a{color:var(--mint);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
main > section figure,main > section aside{
  margin:24px 0;padding:16px 18px;
  border:1px solid var(--line);border-left:3px solid var(--gold);
  border-radius:var(--r);background:#0b0b0b;
}
main > section figure img{border-radius:6px;margin-bottom:10px}
main > section figcaption{font-size:15px;color:var(--dim);margin:0}
main > section blockquote{
  margin:20px 0;padding:8px 0 8px 16px;border-left:3px solid var(--cream);
  font-size:16px;color:#cfcfd5;
}
main > section code{font-size:15px;background:#151515;padding:2px 6px;border-radius:5px}
main > section details{margin:0 0 1em}
main > section summary{cursor:pointer;color:var(--cream)}

.foot{
  max-width:1180px;margin:clamp(26px,5vw,56px) auto 0;
  padding:clamp(24px,4vw,40px) clamp(16px,4vw,40px) 44px;
  border-top:1px solid var(--line);
  display:grid;grid-template-columns:1fr 1.7fr auto;gap:18px 30px;align-items:start;
}
.foot p{margin:0}
.f-brand{font-size:20px;letter-spacing:.06em;color:var(--cream);font-weight:700}
.f-jump{display:flex;flex-wrap:wrap;gap:2px 16px;font-size:15px;color:var(--dim)}
.f-jump a{
  display:inline-flex;align-items:center;min-height:40px;text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.f-jump a:hover,.f-jump a:focus-visible{color:var(--gold);border-bottom-color:var(--gold)}
.f-top{text-align:right}
.f-top a{
  display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;font-size:15px;color:var(--dim);text-decoration:none;
  transition:color .18s ease,border-color .18s ease;
}
.f-top a:hover,.f-top a:focus-visible{color:var(--cream);border-color:var(--cream)}
.foot small{
  grid-column:1/-1;margin-top:6px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.06);
  text-align:center;font-size:14px;color:#6f6f78;
}

.rv{opacity:0;transform:translateY(16px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}

@media (max-width:900px){
  .shell{display:block;padding-top:16px}
  .rail{
    position:static;margin:0 0 10px;padding:18px;
    border:1px solid var(--line);border-radius:var(--r);background:#0a0a0a;
  }
  .rail-links{flex-direction:row;flex-wrap:wrap;gap:0 16px;border-left:0;padding-left:0}
  .rail .subtitle{margin-bottom:12px}
  nav a{font-size:15px;padding:11px 8px}
  .foot{grid-template-columns:1fr;gap:10px}
  .f-top{text-align:left}
  .foot small{text-align:center}
}

@media (max-width:760px){
  .hero{grid-template-columns:1fr;min-height:0}
  .hero-fig{order:2;aspect-ratio:16/10;margin-top:4px}
  .lead{max-width:none}
}

@media (max-width:520px){
  .call{padding:0 12px;font-size:15px}
  .mark span{font-size:17px}
  main > section{padding:24px 0}
  .foot{padding-bottom:36px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none;transition:none}
  .badge b{animation:none;opacity:0;transform:none}
  .badge b:first-child{opacity:1}
  nav a,.call,.f-jump a,.rail-links a,.f-top a{transition:none}
}

button[aria-expanded]{min-width:44px;min-height:44px}