:root{
  --bg:#0b0e14; --panel:#11151f; --border:#1e2533;
  --text:#e6edf3; --muted:#9aa7b8; --accent:#57f287; --accent2:#5865f2;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:radial-gradient(1200px 600px at 50% -10%,#16203a 0%,var(--bg) 60%);
  min-height:100vh;color:var(--text);
  font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:760px;margin:0 auto;padding:40px 24px 72px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:20px;letter-spacing:.3px}
.dot{width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent)}
.hero{padding:60px 0 16px;text-align:center}
.hero h1{font-size:clamp(34px,6vw,54px);line-height:1.05;margin:18px 0 14px;
  background:linear-gradient(120deg,#fff,#9fe9bd);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:18px;max-width:560px;margin:0 auto 30px}
.btn{display:inline-block;background:var(--accent2);color:#fff;font-weight:600;
  padding:13px 28px;border-radius:10px;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(88,101,242,.35);text-decoration:none}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:44px 0 0}
.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px}
.card h3{margin:0 0 6px;font-size:16px}
.card p{margin:0;color:var(--muted);font-size:14px}
.legal h1{font-size:32px;margin:18px 0 2px}
.legal h2{font-size:20px;margin-top:32px}
.legal .updated{color:var(--muted);font-size:14px;margin-bottom:6px}
.legal p,.legal li{color:#cdd7e3}
.back{color:var(--muted);font-size:14px}
footer{border-top:1px solid var(--border);margin-top:52px;padding-top:22px;
  display:flex;gap:18px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:14px}
footer .sp{flex:1}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px}
#langSwitch{background:var(--panel);color:var(--text);border:1px solid var(--border);
  border-radius:8px;padding:7px 10px;font:14px/1 inherit;cursor:pointer;outline:none}
#langSwitch:hover{border-color:var(--accent)}