:root{
  --void:#060914;
  --panel:#0B1020;
  --lift:#121A33;
  --violet:#8A6BFF;
  --violet-soft:#B9A7FF;
  --cyan:#35E0D2;
  --cyan-soft:#8CF5EC;
  --amber:#FF9A4D;
  --paper:#F2E9D8;
  --ink-paper:#0B1020;
  --star:#E9EDF7;
  --mist:#A8B3CF;
  --line:#2A3554;
  --wrap:1440px;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --ff-display:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --ff-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --ff-mono:"JetBrains Mono","IBM Plex Mono",SFMono-Regular,ui-monospace,monospace;
  --t-fast:150ms;
  --t-base:200ms;
}
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:128px;
}
body{
  margin:0;
  min-height:100vh;
  font-family:var(--ff-body);
  font-size:clamp(16px,0.34vw + 14px,18px);
  line-height:1.75;
  color:var(--star);
  background-color:var(--void);
  background-image:
    radial-gradient(circle at 12% 18%,rgba(233,237,247,.55) 0 1px,transparent 1.6px),
    radial-gradient(circle at 27% 61%,rgba(185,167,255,.5) 0 1px,transparent 1.6px),
    radial-gradient(circle at 45% 9%,rgba(140,245,236,.45) 0 1px,transparent 1.6px),
    radial-gradient(circle at 62% 42%,rgba(233,237,247,.4) 0 1px,transparent 1.6px),
    radial-gradient(circle at 76% 74%,rgba(138,107,255,.55) 0 1.4px,transparent 2px),
    radial-gradient(circle at 89% 24%,rgba(233,237,247,.45) 0 1px,transparent 1.6px),
    radial-gradient(circle at 33% 88%,rgba(53,224,210,.4) 0 1px,transparent 1.6px),
    radial-gradient(circle at 5% 72%,rgba(233,237,247,.3) 0 1px,transparent 1.6px);
  background-repeat:no-repeat;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
a{color:var(--violet-soft);text-decoration:none;transition:color var(--t-fast) ease}
a:hover{color:var(--cyan-soft)}
button{font:inherit;color:inherit}
h1,h2,h3,h4,h5,h6{
  font-family:var(--ff-display);
  font-weight:800;
  font-stretch:90%;
  line-height:1.15;
  letter-spacing:-.01em;
  margin:0 0 .6em;
  color:var(--star);
}
h1{font-size:clamp(34px,4.6vw,64px);letter-spacing:-.03em}
h2{font-size:clamp(26px,2.6vw,40px)}
h3{font-size:clamp(19px,1.6vw,26px);font-weight:700}
h4{font-size:18px;font-weight:700}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
::selection{background:rgba(138,107,255,.42);color:#fff}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px}
.wrap--narrow{max-width:860px}
.section{padding:clamp(44px,6vw,80px) 0}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:20px}
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:24px;
  transition:border-color var(--t-base) ease,background-color var(--t-base) ease;
}
.panel:hover{border-color:rgba(53,224,210,.45)}
.panel--lift{background:var(--lift)}
.panel--paper{background:var(--paper);color:var(--ink-paper);border-color:rgba(11,16,32,.16)}
.panel--paper h1,.panel--paper h2,.panel--paper h3,.panel--paper h4{color:var(--ink-paper)}
.panel--paper a{color:#3B2AC7}
.panel--paper a:hover{color:#0B1020}
.frame{
  position:relative;
  border:1px solid rgba(242,233,216,.28);
  border-radius:var(--radius-l);
  padding:clamp(20px,3vw,40px);
  background:linear-gradient(158deg,rgba(18,26,51,.74),rgba(6,9,20,.42));
}
.frame::before,
.frame::after{content:"";position:absolute;width:16px;height:16px;border:1px solid var(--cyan-soft);pointer-events:none}
.frame::before{left:-1px;top:-1px;border-right:0;border-bottom:0;border-top-left-radius:var(--radius-l)}
.frame::after{right:-1px;bottom:-1px;border-left:0;border-top:0;border-bottom-right-radius:var(--radius-l)}
.eyebrow{
  margin:0 0 12px;
  font-family:var(--ff-mono);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--mist);
  text-transform:uppercase;
}
.num{font-family:var(--ff-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.prose{max-width:800px;font-size:clamp(16px,.3vw + 15px,17px);line-height:1.82;color:#D5DBEA}
.prose p{margin:0 0 1.15em}
.prose h2,.prose h3{margin-top:1.7em}
.prose ul,.prose ol{list-style:disc;padding-left:1.25em;margin:0 0 1.2em}
.prose li{margin:.35em 0}
.crumbs{margin:0 0 22px}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;margin:0;padding:0;list-style:none;font-size:12px;letter-spacing:.12em;color:var(--mist)}
.crumbs li{display:flex;align-items:center}
.crumbs li + li::before{content:"/";margin:0 8px;color:var(--line)}
.crumbs a{color:var(--mist)}
.crumbs a:hover{color:var(--cyan-soft)}
.crumbs [aria-current="page"]{color:var(--star)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 20px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--panel);
  color:var(--star);
  font-family:var(--ff-body);
  font-size:14px;
  line-height:1.3;
  text-decoration:none;
  cursor:pointer;
  white-space:nowrap;
  transition:border-color var(--t-fast) ease,background-color var(--t-fast) ease,color var(--t-fast) ease,box-shadow var(--t-fast) ease;
}
.btn:hover{background:var(--lift);border-color:var(--cyan);color:var(--star)}
.btn--ghost{background:transparent;color:var(--mist)}
.btn--ghost:hover{background:rgba(53,224,210,.08);color:var(--star);border-color:var(--cyan)}
.btn--primary{background:var(--violet);border-color:var(--violet);color:var(--ink-paper);font-weight:700}
.btn--primary:hover{background:var(--violet-soft);border-color:var(--violet-soft);color:var(--ink-paper);box-shadow:0 0 0 4px rgba(138,107,255,.18)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--lift);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--mist);
}
.tag--live{border-color:rgba(53,224,210,.45);color:var(--cyan-soft)}
.tag--hot{border-color:rgba(255,154,77,.45);color:var(--amber)}
.media-frame{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  aspect-ratio:16 / 10;
  background-color:var(--lift);
  background-image:
    radial-gradient(circle at 26% 22%,rgba(138,107,255,.34),transparent 62%),
    radial-gradient(circle at 78% 82%,rgba(53,224,210,.24),transparent 64%);
}
.media-frame img,
.media-frame video{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background-image:
    radial-gradient(circle at 20% 26%,rgba(233,237,247,.4) 0 1px,transparent 1.6px),
    radial-gradient(circle at 62% 48%,rgba(233,237,247,.3) 0 1px,transparent 1.6px),
    radial-gradient(circle at 84% 20%,rgba(140,245,236,.45) 0 1px,transparent 1.6px),
    linear-gradient(180deg,transparent 52%,rgba(6,9,20,.58));
}
.media-frame figcaption{
  position:absolute;
  left:16px;bottom:14px;z-index:1;
  font-size:12px;letter-spacing:.12em;color:var(--paper);
}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--tall{aspect-ratio:4 / 5}
.media-frame--square{aspect-ratio:1 / 1}
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,9,20,.94);
  border-bottom:1px solid var(--line);
}
@supports (backdrop-filter:blur(12px)){
  .site-header{backdrop-filter:blur(14px)}
}
.skip-link{
  position:fixed;
  left:16px;
  top:10px;
  z-index:200;
  padding:10px 18px;
  border-radius:999px;
  background:var(--cyan);
  color:var(--ink-paper);
  font-size:14px;
  font-weight:700;
  transform:translateY(-180%);
  transition:transform var(--t-base) ease;
}
.skip-link:focus{transform:translateY(0);color:var(--ink-paper)}
.scroll-rail{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  overflow:hidden;
  pointer-events:none;
}
.scroll-rail__fill{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:left center;
  background:linear-gradient(90deg,var(--violet),var(--cyan));
}
.header-top{
  display:flex;
  align-items:center;
  gap:18px;
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:16px 32px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:var(--star);
  text-decoration:none;
}
.brand:hover{color:var(--star)}
.brand:hover .brand-mark{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(53,224,210,.12)}
.brand-mark{
  position:relative;
  flex:0 0 auto;
  width:38px;height:38px;
  border:1px solid var(--line);
  border-radius:11px;
  background-color:var(--lift);
  background-image:
    radial-gradient(circle at 30% 28%,var(--violet) 0 3px,transparent 3.6px),
    radial-gradient(circle at 72% 34%,var(--cyan) 0 2.2px,transparent 2.8px),
    radial-gradient(circle at 44% 72%,var(--violet-soft) 0 2.4px,transparent 3px),
    linear-gradient(135deg,rgba(138,107,255,.24),transparent 62%);
  transition:border-color var(--t-base) ease,box-shadow var(--t-base) ease;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:7px;
  border-top:1px solid rgba(140,245,236,.38);
  border-right:1px solid rgba(140,245,236,.2);
  border-radius:6px;
  transform:rotate(8deg);
}
.brand-text{display:flex;flex-direction:column;gap:2px}
.brand-title{
  font-family:var(--ff-display);
  font-weight:800;
  font-size:16px;
  line-height:1.2;
  letter-spacing:.02em;
  color:var(--star);
}
.brand-line{font-size:11px;line-height:1.3;letter-spacing:.14em;color:var(--mist)}
.round-badge{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:6px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--panel);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--mist);
}
.round-badge__dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--amber);
  box-shadow:0 0 0 4px rgba(255,154,77,.14);
}
.round-badge__num{
  font-family:var(--ff-mono);
  font-size:14px;
  letter-spacing:.02em;
  color:var(--cyan);
  font-variant-numeric:tabular-nums;
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.header-return{white-space:nowrap}
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:10px 16px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--panel);
  color:var(--star);
  font-size:14px;
  cursor:pointer;
  transition:border-color var(--t-fast) ease,background-color var(--t-fast) ease;
}
.nav-toggle:hover{border-color:var(--cyan);background:var(--lift)}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:16px;height:2px;
  background:currentColor;
  transition:background-color var(--t-fast) ease;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;height:2px;
  background:currentColor;
  transition:transform var(--t-base) ease;
}
.nav-toggle__bars::before{top:-5px}
.nav-toggle__bars::after{top:5px}
.nav-toggle__text{letter-spacing:.06em}
.primary-nav{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(18,26,51,.55),rgba(6,9,20,0) 92%);
}
.nav-list{
  display:flex;
  flex-wrap:wrap;
  gap:2px;
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 32px;
}
.nav-list a{
  position:relative;
  display:block;
  padding:16px 22px 18px;
  color:var(--mist);
  font-size:15px;
  letter-spacing:.04em;
  border-radius:0 0 var(--radius-s) var(--radius-s);
  transition:color var(--t-fast) ease,background-color var(--t-fast) ease;
}
.nav-list a::before{
  content:"";
  position:absolute;
  left:50%;
  top:-4px;
  width:7px;height:7px;
  margin-left:-3.5px;
  border-radius:50%;
  background:var(--line);
  transition:background-color var(--t-fast) ease,box-shadow var(--t-fast) ease;
}
.nav-list a:hover{
  color:var(--star);
  background:linear-gradient(180deg,rgba(138,107,255,.2),rgba(138,107,255,0));
}
.nav-list a:hover::before{background:var(--violet);box-shadow:0 0 0 4px rgba(138,107,255,.18)}
.nav-list a[aria-current="page"]{color:var(--star)}
.nav-list a[aria-current="page"]::before{background:var(--cyan);box-shadow:0 0 0 4px rgba(53,224,210,.16)}
.site-footer{
  margin-top:clamp(48px,7vw,96px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--void) 0%,#04060F 100%);
}
.footer-inner{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:56px 32px 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:36px 40px;
}
.footer-brand .brand-title{font-size:15px}
.footer-tagline{
  margin:18px 0 0;
  max-width:30ch;
  font-size:14px;
  line-height:1.7;
  color:var(--mist);
}
.footer-col__title{
  margin:0 0 14px;
  font-family:var(--ff-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--violet-soft);
}
.footer-list{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--mist)}
.footer-list a{
  color:var(--mist);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
  transition:color var(--t-fast) ease,border-color var(--t-fast) ease;
}
.footer-list a:hover{color:var(--cyan-soft);border-bottom-color:rgba(53,224,210,.55)}
.footer-contact li{
  display:grid;
  grid-template-columns:44px 1fr;
  gap:10px;
  align-items:start;
  line-height:1.6;
}
.footer-key{
  font-size:12px;
  letter-spacing:.12em;
  color:rgba(168,179,207,.7);
  padding-top:2px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(42,53,84,.7);
  font-size:13px;
  color:var(--mist);
}
.footer-bottom p{margin:0}
.footer-icp{font-family:var(--ff-mono);letter-spacing:.06em}
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-tagline{max-width:none}
}
@media (max-width:860px){
  .header-top{padding:14px 18px;gap:12px}
  .brand-line{display:none}
  .nav-toggle{display:inline-flex}
  .header-return{display:none}
  .primary-nav{display:none;border-top:1px solid var(--line);background:var(--panel)}
  .site-header[data-open="true"] .primary-nav{display:block}
  .site-header[data-open="true"] .nav-toggle{border-color:var(--cyan);background:var(--lift)}
  .site-header[data-open="true"] .nav-toggle__bars{background:transparent}
  .site-header[data-open="true"] .nav-toggle__bars::before{transform:translateY(5px) rotate(45deg)}
  .site-header[data-open="true"] .nav-toggle__bars::after{transform:translateY(-5px) rotate(-45deg)}
  .nav-list{flex-direction:column;gap:2px;padding:10px 14px 18px}
  .nav-list a{padding:13px 16px;border-radius:10px;font-size:15px}
  .nav-list a::before{display:none}
  .nav-list a:hover{background:rgba(138,107,255,.14)}
  .nav-list a[aria-current="page"]{background:rgba(53,224,210,.1);color:var(--cyan-soft)}
  .wrap{padding:0 20px}
  .footer-inner{padding:44px 20px 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{margin-top:28px}
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}
}
@media (max-width:640px){
  .round-badge{display:none}
  .media-frame{aspect-ratio:4 / 3}
  .panel{padding:18px}
  .frame{padding:18px;border-radius:var(--radius-m)}
}
@media (max-width:420px){
  .brand-mark{width:32px;height:32px}
  .brand-title{font-size:15px}
  .nav-toggle__text{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}