:root{
  --panel:#0a1428; --line:#16233f;
  --fg:#e7ecf7; --fg-mute:#93a3c4; --fg-dim:#54648c;
  --accent:#4fae7c; --accent-soft:rgba(79,174,124,.05); --accent-line:rgba(79,174,124,.38);
  --red:#d6453f;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  overflow:hidden; color:var(--fg);
  background:
    radial-gradient(130% 100% at 50% 0%,#0a1530 0%,#060d22 45%,#030714 75%,#01030a 100%);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Helvetica,Arial,sans-serif;
  line-height:1.7; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
#stars{position:fixed;inset:0;z-index:0;pointer-events:none}

.page{position:relative;z-index:1;height:100%;max-width:1280px;margin:0 auto;padding:0 40px;
  display:grid;grid-template-rows:auto 1fr auto}

/* ---------- header ---------- */
header{position:relative;z-index:30;display:flex;align-items:center;padding:28px 0 0}
.brand{display:inline-flex;align-items:center;gap:14px;font-size:24px;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--fg);line-height:1}
.brand .word{display:inline-flex;align-items:center}
.brand .mid{display:block;width:7px;height:7px;margin:0 4px;border-radius:50%;background:var(--red);
  box-shadow:0 0 8px 2px rgba(214,69,63,.4)}
.brand .lab{margin-left:8px;margin-top:4px;font-size:14px;font-weight:500;letter-spacing:.2em;color:var(--fg-dim);align-self:flex-end;text-transform:none}

.menu{position:relative;margin-left:auto}
.trigger{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border:1px solid var(--line);border-radius:999px;
  background:rgba(10,20,40,.6);color:var(--fg-mute);font:inherit;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  cursor:pointer;transition:color .25s,border-color .25s,background .25s}
.trigger:hover,.trigger[aria-expanded="true"]{color:var(--fg);border-color:var(--accent-line);background:var(--accent-soft)}
.trigger svg{transition:transform .3s ease}
.trigger[aria-expanded="true"] svg{transform:rotate(180deg)}
.pop{position:absolute;top:calc(100% + 10px);right:0;min-width:200px;padding:6px;
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  box-shadow:0 24px 48px -20px rgba(0,0,0,.85);
  opacity:0;visibility:hidden;transform:translateY(-8px) scale(.98);transform-origin:top right;
  transition:opacity .22s ease,transform .22s cubic-bezier(.2,.8,.2,1),visibility 0s linear .22s}
.menu.open .pop{opacity:1;visibility:visible;transform:none;
  transition:opacity .22s ease,transform .22s cubic-bezier(.2,.8,.2,1),visibility 0s}
.pop a{display:flex;align-items:center;gap:10px;padding:12px 13px;border-radius:9px;cursor:pointer;transition:background .2s ease}
.pop a:hover{background:var(--accent-soft)}
.pop a i{width:5px;height:5px;border-radius:50%;background:var(--accent);flex:none;box-shadow:0 0 0 3px var(--accent-soft)}
.pop a b{font-size:15px;font-weight:600}
.pop a svg{margin-left:auto;color:var(--fg-dim);transition:color .2s ease,transform .2s ease}
.pop a:hover svg{color:var(--accent);transform:translate(1px,-1px)}

/* ---------- hero ---------- */
.hero{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;min-height:0;padding:24px 0}
.halo{position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);
  width:min(720px,92%);height:min(420px,70%);pointer-events:none;
  background:radial-gradient(50% 50% at 50% 50%,rgba(56,92,160,.20) 0%,rgba(40,70,130,.10) 45%,transparent 72%);
  filter:blur(6px)}
h1{position:relative;margin:0;font-size:clamp(76px,11vw,144px);font-weight:800;letter-spacing:.04em;line-height:1.1;
  background:linear-gradient(160deg,#fff 0%,var(--fg) 40%,var(--fg-mute) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  animation:rise .9s cubic-bezier(.2,.8,.2,1) both}
h1 em{font-style:normal;font-size:.52em;font-weight:700;letter-spacing:.26em;text-indent:.26em;
  margin-left:.18em;vertical-align:.14em;
  background:linear-gradient(135deg,var(--accent) 0%,#6dd5a0 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.sub{position:relative;margin:22px 0 0;font-size:12px;letter-spacing:.52em;text-indent:.52em;text-transform:uppercase;color:var(--fg-dim);
  animation:rise .9s cubic-bezier(.2,.8,.2,1) .18s both}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* ---------- footer ---------- */
footer{display:flex;align-items:center;justify-content:space-between;gap:16px 24px;flex-wrap:wrap;
  padding:16px 0 22px;font-size:12px;color:var(--fg-dim);
  border-top:1px solid rgba(120,150,210,.08)}
footer .f-left,footer .f-right{display:inline-flex;align-items:center;gap:12px;flex-wrap:wrap}
footer .copy{letter-spacing:.02em}
footer .sep{width:1px;height:12px;background:currentColor;opacity:.22}
footer a{transition:color .25s}
footer a:hover{color:var(--accent)}
footer .mail{display:inline-flex;align-items:center;gap:6px;letter-spacing:.02em}
footer .mail svg{opacity:.7;transition:opacity .25s}
footer .mail:hover svg{opacity:1}
footer .status{display:inline-flex;align-items:center;gap:6px;letter-spacing:.06em;text-transform:uppercase;font-size:11px}
footer .status i{width:6px;height:6px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 3px rgba(79,174,124,.14);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
footer .icp{letter-spacing:.02em}

@media (max-width:900px){
  body{overflow:auto}
  .page{padding:0 20px}
  .hero{padding:36px 0 20px}
  footer{justify-content:center;text-align:center}
  footer .f-left,footer .f-right{justify-content:center;width:100%}
}
@media (max-width:520px){
  .hero{padding:24px 0 12px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}