@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@300;400;500;600;700&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root{
  --g:#69ff69;
  --c:#00ffff;
  --ink:#172617;
  --deep:#08130d;
  --text:#e6fff2;
  --muted:#a6c8b5;
  --line:rgba(105,255,105,.22);
  --line2:rgba(0,255,255,.24);
  --glass:rgba(255,255,255,.06);
  --r:28px;
  --chrome:linear-gradient(180deg,#ffffff 0%,#d9f3e5 34%,#7d9b8c 53%,#ffffff 74%,#b9d8c8 100%);
  --stack:"Archivo","Space Grotesk","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:"Space Grotesk","SFMono-Regular",ui-monospace,monospace;
}

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

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  margin:0;
  font-family:var(--stack);
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:
    radial-gradient(70vw 55vw at 88% -8%,rgba(0,255,255,.18),transparent 62%),
    radial-gradient(60vw 50vw at 2% 14%,rgba(105,255,105,.16),transparent 60%),
    radial-gradient(80vw 60vw at 50% 108%,rgba(0,255,255,.13),transparent 65%),
    linear-gradient(180deg,#08130d 0%,#172617 46%,#08130d 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}

body.lock{overflow:hidden}

::selection{background:var(--g);color:#08130d}

:focus-visible{outline:2px solid var(--c);outline-offset:3px;border-radius:8px}

img{display:block;max-width:100%;height:auto;border-radius:18px}

a{color:var(--g);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--c)}

.orbs{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(42px);opacity:.5;will-change:transform}
.orb-a{width:320px;height:320px;left:-100px;top:14%;background:radial-gradient(circle at 35% 30%,rgba(105,255,105,.75),transparent 70%)}
.orb-b{width:420px;height:420px;right:-140px;top:42%;background:radial-gradient(circle at 60% 40%,rgba(0,255,255,.6),transparent 70%)}
.orb-c{width:260px;height:260px;left:40%;bottom:-90px;background:radial-gradient(circle at 50% 50%,rgba(255,255,255,.32),transparent 70%)}

.site-head{
  position:sticky;
  top:0;
  z-index:60;
  backdrop-filter:blur(16px) saturate(150%);
  background:linear-gradient(180deg,rgba(8,19,13,.95),rgba(8,19,13,.72));
  border-bottom:1px solid var(--line2);
  box-shadow:0 16px 44px -34px var(--c);
}

.brandrow{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px clamp(14px,4vw,44px)}

.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;text-decoration:none}
.mark{
  width:26px;height:26px;border-radius:50%;
  background:conic-gradient(from 200deg,var(--g),var(--c),#ffffff,var(--g));
  box-shadow:0 0 18px rgba(105,255,105,.7),inset 0 0 0 3px rgba(8,19,13,.72);
  animation:spin 9s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.brandname{
  font-family:var(--mono);
  font-size:20px;
  font-weight:700;
  letter-spacing:.14em;
  background:var(--chrome);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  filter:drop-shadow(0 1px 0 rgba(0,0,0,.6));
}

.head-tools{display:flex;align-items:center;gap:10px}

.btn-gloss{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:10px 20px;border-radius:999px;
  font-size:16px;font-weight:700;color:#06200f;text-decoration:none;
  background:linear-gradient(135deg,var(--g),var(--c) 68%,#b6ffe8);
  border:1px solid rgba(255,255,255,.55);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 12px 30px -14px var(--c);
}
.btn-gloss:hover{color:#06200f;filter:brightness(1.06) saturate(1.08)}
.btn-lg{min-height:52px;padding:14px 30px;font-size:18px}

.burger{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:8px 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--glass);
  color:var(--text);font:inherit;font-size:16px;cursor:pointer;
  backdrop-filter:blur(8px);
}
.burger .bar{display:block;width:16px;height:2px;background:var(--g);box-shadow:0 0 8px var(--g)}
.burger .bar:nth-child(2){width:11px}
.burger:hover{border-color:var(--c)}

.headnav{padding:0 clamp(14px,4vw,44px) 12px}
.headnav p{
  display:flex;gap:8px;margin:0;padding:2px 0 4px;
  overflow-x:auto;scrollbar-width:none;
}
.headnav p::-webkit-scrollbar{display:none}
.headnav a{
  flex:0 0 auto;display:inline-flex;align-items:center;
  min-height:40px;padding:8px 15px;border-radius:999px;
  font-size:16px;text-decoration:none;color:#d9ffe9;
  background:var(--glass);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(6px);
}
.headnav a:hover,.headnav a:focus-visible{
  color:#06200f;border-color:transparent;
  background:linear-gradient(135deg,var(--g),var(--c));
}

.veil{
  position:fixed;inset:0;z-index:80;display:none;
  padding:clamp(18px,5vw,64px);overflow-y:auto;
  background:
    radial-gradient(60vw 60vw at 82% 0%,rgba(0,255,255,.3),transparent 60%),
    radial-gradient(52vw 52vw at 8% 92%,rgba(105,255,105,.3),transparent 62%),
    rgba(6,15,10,.95);
  backdrop-filter:blur(20px);
}
.veil.open{display:block}
.veil-close{
  position:fixed;top:16px;right:16px;z-index:2;
  min-height:44px;padding:10px 18px;border-radius:999px;
  border:1px solid var(--line2);background:rgba(255,255,255,.1);
  color:var(--text);font:inherit;font-size:16px;cursor:pointer;
}
.veil-inner{max-width:760px;margin:7vh auto 0}
.veil-tag{margin:0 0 12px;font-size:16px;letter-spacing:.22em;color:var(--c)}
.veil-links{display:grid}
.veil-links a{
  display:flex;align-items:center;gap:16px;
  min-height:56px;padding:14px 4px;
  border-bottom:1px solid rgba(105,255,105,.2);
  text-decoration:none;color:var(--text);
  font-size:clamp(19px,3vw,24px);
}
.veil-links a:hover{color:var(--g)}
.vnum{font-family:var(--mono);font-size:14px;letter-spacing:.16em;color:var(--c)}

.page-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:15rem minmax(0,1fr);
  gap:clamp(16px,2.6vw,32px);
  max-width:1240px;margin:0 auto;
  padding:clamp(16px,3vw,32px) clamp(14px,4vw,44px) 56px;
}

.page-h1{
  grid-column:1 / -1;
  margin:6px 0 4px;
  font-family:var(--mono);
  font-size:clamp(1.9rem,5.4vw,3.4rem);
  line-height:1.14;
  letter-spacing:-.01em;
  background:var(--chrome);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  filter:drop-shadow(0 8px 22px rgba(0,255,255,.35));
}

.body{grid-column:2;min-width:0}

.body > div{
  position:relative;
  margin:0 0 clamp(18px,2.6vw,28px);
  padding:clamp(20px,3.4vw,42px);
  border-radius:var(--r);
  border:1px solid var(--line);
  background:linear-gradient(155deg,rgba(255,255,255,.09),rgba(0,255,255,.05) 55%,rgba(105,255,105,.055));
  backdrop-filter:blur(12px);
  box-shadow:0 30px 64px -46px rgba(0,255,255,.95),inset 0 1px 0 rgba(255,255,255,.16);
  scroll-margin-top:158px;
  overflow:hidden;
}
.body > div::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(120% 80% at 100% 0%,rgba(0,255,255,.14),transparent 55%);
}

.body > div:first-of-type{
  min-height:min(84vh,760px);
  display:flex;flex-direction:column;justify-content:center;gap:4px;
  border-color:var(--line2);
}
.body > div:first-of-type::before{
  content:"01";
  position:absolute;right:-2vw;bottom:-6vw;
  font-family:var(--mono);
  font-size:clamp(120px,22vw,260px);
  font-weight:700;line-height:.8;letter-spacing:-.06em;
  background:var(--chrome);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  opacity:.16;pointer-events:none;
}
.body > div:first-of-type figure,
.body > div:first-of-type img{align-self:flex-end;max-width:min(100%,420px)}

.body h2{
  margin:0 0 10px;
  font-family:var(--mono);
  font-size:clamp(1.3rem,2.6vw,1.9rem);
  line-height:1.3;letter-spacing:-.01em;
  color:#f2fff8;
  text-shadow:0 0 22px rgba(105,255,105,.28);
}
.body h3{margin:22px 0 8px;font-size:1.1rem;color:var(--c)}
.body p{margin:0 0 14px}
.body p.subtitle,.body p.subhead,.body p.desc,.body p.lead{
  margin:-4px 0 16px;color:var(--muted);font-size:16px;
}
.body ul,.body ol{margin:0 0 16px;padding-left:1.15rem}
.body li{margin:6px 0}
.body li::marker{color:var(--g)}
.body strong{color:#ffffff}
.body em{color:#c7ffe6;font-style:normal;text-shadow:0 0 14px rgba(0,255,255,.5)}
.body blockquote{
  margin:18px 0;padding:14px 18px;
  border-left:3px solid var(--c);
  border-radius:0 18px 18px 0;
  background:rgba(0,255,255,.08);color:#eafffa;
}
.body blockquote p:last-child{margin:0}
.body figure{margin:18px 0}
.body figcaption{margin-top:8px;font-size:15px;color:var(--muted)}
.body table{width:100%;border-collapse:collapse;font-size:16px}
.body th,.body td{padding:10px 12px;text-align:left;border-bottom:1px solid rgba(255,255,255,.14)}
.body th{color:var(--c);font-weight:600}
.body code{
  font-family:var(--mono);font-size:.95em;
  background:rgba(0,0,0,.38);padding:1px 6px;border-radius:6px;
}

.body > div.stagger{
  opacity:0;transform:translateY(26px);
  transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1);
}
.body > div.stagger.in{opacity:1;transform:none}

.rail{
  grid-column:1;align-self:start;position:sticky;top:158px;
  padding:18px;border-radius:24px;
  border:1px solid var(--line);
  background:linear-gradient(170deg,rgba(255,255,255,.1),rgba(0,255,255,.06));
  backdrop-filter:blur(10px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18);
}
.rail h2{
  margin:0 0 6px;font-family:var(--mono);
  font-size:17px;letter-spacing:.08em;color:#f4fff9;
}
.rail .subtitle{margin:0 0 14px;font-size:15px;line-height:1.5;color:var(--muted)}
.rail-links{display:grid;gap:2px}
.rail-links a{
  display:flex;align-items:center;
  min-height:40px;padding:6px 9px;border-radius:12px;
  font-size:16px;text-decoration:none;color:#d6ffe8;
  border-left:2px solid transparent;
}
.rail-links a:hover{background:rgba(105,255,105,.13);border-left-color:var(--g);color:#ffffff}
.rail-note{
  margin:14px 0 0;padding-top:12px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:15px;line-height:1.6;color:var(--muted);
}

.site-foot{
  position:relative;z-index:1;margin-top:20px;
  padding:clamp(24px,5vw,60px) clamp(14px,4.4vw,48px) 28px;
  border-top:1px solid var(--line2);
  background:linear-gradient(180deg,rgba(0,255,255,.07),rgba(8,19,13,.92));
}
.site-foot div{max-width:1240px;margin:0 auto}
.foot-cta{padding-bottom:28px}
.foot-cta h2{
  margin:0 0 8px;font-family:var(--mono);
  font-size:clamp(1.5rem,4vw,2.6rem);line-height:1.2;
  background:var(--chrome);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.foot-cta .subtitle{margin:0 0 18px;font-size:16px;color:var(--muted)}
.foot-cols{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(14px,3vw,36px);
  padding:26px 0;
  border-top:1px solid rgba(255,255,255,.14);
}
.foot-cols h3{margin:0 0 8px;font-size:16px;letter-spacing:.06em;color:var(--c)}
.foot-cols p{margin:0;font-size:16px;line-height:1.7;color:#cfe9dc}
.foot-cols a{
  display:flex;align-items:center;min-height:40px;
  text-decoration:none;color:#d9ffe9;
}
.foot-cols a:hover{color:var(--g)}
.foot-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 20px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:16px;color:var(--muted);
}
.foot-bottom p{margin:0}
.foot-links{display:flex;gap:16px}
.foot-links a{display:inline-flex;align-items:center;min-height:40px;text-decoration:none;color:#d9ffe9}
.foot-links a:hover{color:var(--g)}

@media (max-width:900px){
  .page-grid{grid-template-columns:minmax(0,1fr)}
  .body,.rail{grid-column:1}
  .rail{position:static;top:auto;order:3}
  .body > div:first-of-type{min-height:auto;padding-top:30px}
  .body > div{scroll-margin-top:132px}
  .foot-cols{grid-template-columns:1fr;gap:8px}
  .foot-cols .col + .col{border-top:1px solid rgba(255,255,255,.12);padding-top:10px}
}

@media (max-width:520px){
  .brandname{font-size:17px;letter-spacing:.08em}
  .btn-gloss{min-height:42px;padding:8px 14px;font-size:16px}
  .body > div{padding:18px}
  .body > div:first-of-type::before{font-size:92px;bottom:-16px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .mark{animation:none}
  .body > div.stagger{opacity:1;transform:none;transition:none}
  .orb{will-change:auto}
}

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