:root{
  --bg:#0b1220;
  --panel:#0f172a;
  --border: rgba(148,163,184,.18);
  --muted:#94a3b8;
  --text:#e5e7eb;
  --brand:#35e2eb;
  --radius:16px;
  --shadow: 0 10px 26px rgba(0,0,0,.30);
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--sans);background:linear-gradient(180deg,#0b1220,#070b14);color:var(--text)}
a{color:inherit}
.gs-container{width:min(980px,100%);margin:0 auto;padding:0 18px}
.gs-top{position:sticky;top:0;background:rgba(11,18,32,.75);backdrop-filter: blur(10px);border-bottom:1px solid var(--border)}
.gs-top .gs-container{display:flex;align-items:center;justify-content:space-between;padding:14px 18px}
.gs-brand{font-weight:900;letter-spacing:.2px;text-decoration:none}
.gs-nav{display:flex;gap:14px}
.gs-nav a{text-decoration:none;color:var(--muted)}
.gs-nav a:hover{color:var(--text)}
.gs-tagline{padding:0 18px 10px;color:var(--muted);font-size:12px}
.gs-main{padding:22px 18px}
.gs-card{background:rgba(15,23,42,.70);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin:14px 0}
.gs-title{margin:0 0 10px;font-size:22px}
.gs-muted{color:var(--muted);line-height:1.6}
.gs-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:14px;border:1px solid rgba(53,226,235,.35);background:rgba(53,226,235,.14);text-decoration:none}
.gs-btn:hover{background:rgba(53,226,235,.18)}
.gs-footer{border-top:1px solid var(--border);padding:18px 0;color:var(--muted)}