:root{
  --bg:#090b13;
  --bg-soft:#101725;
  --panel:rgba(18,26,45,.86);
  --panel-strong:rgba(27,37,63,.94);
  --panel-light:rgba(255,255,255,.08);
  --text:#f8fbff;
  --muted:#b9c5d8;
  --subtle:#7d8ba3;
  --brand1:#ff4d6d;
  --brand2:#22d3ee;
  --brand3:#facc15;
  --brand4:#7c3aed;
  --danger:#fb7185;
  --border:rgba(255,255,255,.14);
  --border-strong:rgba(255,255,255,.24);
  --shadow:0 26px 70px rgba(0,0,0,.38);
  --shadow2:0 14px 32px rgba(0,0,0,.24);
  --radius:8px;
  --radius-sm:6px;
  --max:1160px;
  --space:28px;
  --ring:0 0 0 4px rgba(34,211,238,.26);
}

*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Noto Sans SC",sans-serif;
  color:var(--text);
  background:
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(0deg, rgba(255,255,255,.03) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(135deg, rgba(255,77,109,.16) 0%, transparent 28%),
    linear-gradient(225deg, rgba(34,211,238,.14) 0%, transparent 30%),
    linear-gradient(180deg, #090b13 0%, #101725 46%, #151019 100%);
  line-height:1.7;
  overflow-x:hidden;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:none}
a:focus-visible{outline:none;box-shadow:var(--ring);border-radius:var(--radius-sm)}

h1,h2,h3{line-height:1.12;margin:0 0 12px;letter-spacing:0}
h1{font-size:54px;font-weight:900}
h2{font-size:32px;font-weight:850}
h3{font-size:19px;font-weight:800}
p{margin:0 0 16px;color:var(--muted)}

strong{color:var(--text)}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--space)}
.sr-only{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;border:0;
}

.btn{
  position:relative;
  display:inline-flex;align-items:center;justify-content:center;
  gap:10px;
  min-height:46px;
  padding:12px 18px;
  border-radius:var(--radius);
  border:1px solid var(--border-strong);
  background:linear-gradient(180deg, rgba(255,255,255,.14), rgba(255,255,255,.06));
  color:var(--text);
  font-weight:750;
  text-decoration:none;
  cursor:pointer;
  box-shadow:var(--shadow2);
  transition:transform .14s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.btn:hover{
  border-color:rgba(34,211,238,.42);
  background:linear-gradient(180deg, rgba(255,255,255,.20), rgba(255,255,255,.08));
  box-shadow:0 18px 42px rgba(34,211,238,.12), var(--shadow2);
  transform:translateY(-2px);
}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:none;box-shadow:var(--shadow2), var(--ring)}
.btn-primary{
  border-color:transparent;
  background:linear-gradient(135deg,var(--brand1),var(--brand4) 48%,var(--brand2));
  color:#fff;
  box-shadow:0 18px 42px rgba(255,77,109,.22), 0 14px 34px rgba(34,211,238,.16);
}
.btn-primary:hover{
  background:linear-gradient(135deg,#ff6b82,var(--brand4) 48%,#4de9ff);
  box-shadow:0 22px 54px rgba(255,77,109,.26), 0 16px 38px rgba(34,211,238,.18);
}
.btn-ghost{
  background:rgba(255,255,255,.04);
  box-shadow:none;
}

.pill{
  display:inline-flex;align-items:center;
  gap:8px;
  padding:7px 11px;
  border-radius:var(--radius-sm);
  border:1px solid var(--border);
  background:rgba(255,255,255,.08);
  color:#dce6f7;
  font-size:13px;
  font-weight:650;
  box-shadow:0 10px 24px rgba(0,0,0,.18);
}

@media (max-width: 720px){
  :root{--space:18px}
  h1{font-size:38px}
  h2{font-size:26px}
  h3{font-size:18px}
  .btn{width:100%}
}