:root{
  --bg:#06120f; --panel:#0a1d17; --panel-2:#0f2720; --felt:#0b5b3a;
  --text:#eaf7f2; --muted:#a7c9bd; --accent:#ffd166; --cta:#06d6a0; --ring:#1d3d32;
  --gradient: radial-gradient(1200px 600px at 10% -10%, rgba(6,214,160,.14), transparent 50%),
              radial-gradient(800px 400px at 110% 10%, rgba(255,209,102,.12), transparent 60%);
}
*{box-sizing:border-box} html,body{margin:0;background:var(--bg);color:var(--text);
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial}
a{color:inherit;text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:24px}
header{position:sticky;top:0;z-index:40;background:linear-gradient(180deg,rgba(6,18,15,.95),rgba(6,18,15,.7));
  backdrop-filter:saturate(140%) blur(12px);border-bottom:1px solid #0f241e}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0}
.brand{font-weight:900;letter-spacing:.2px}.brand em{font-style:normal;color:var(--accent)}
.nav a.btn{padding:10px 14px;border:1px solid var(--ring);border-radius:12px;background:linear-gradient(90deg,var(--panel),var(--panel-2));}
.hero{background:var(--gradient);border:1px solid #14382e;border-radius:18px;padding:28px;margin-top:18px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:center}
.hero h1{font-size:36px;line-height:1.05;margin:0 0 8px}.hero p{color:var(--muted);margin:0 0 16px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.btn-secondary{display:inline-flex;align-items:center;gap:10px;padding:11px 14px;border-radius:12px;border:1px solid var(--ring);
  background:linear-gradient(180deg,var(--panel),var(--panel-2));color:var(--text)}
.section-title{margin:28px 0 8px;font-size:24px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.card{grid-column:span 12;background:linear-gradient(180deg,rgba(255,255,255,.02),transparent 40%),var(--panel);
  border:1px solid #14382e;border-radius:16px;padding:16px;position:relative;transition:.15s transform,.25s box-shadow}
.card:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.35)}
.row{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.meta{display:flex;gap:8px;flex-wrap:wrap}
.pill{font-size:11px;padding:3px 8px;border-radius:999px;border:1px solid #1d3d32;color:var(--muted)}
.muted{color:var(--muted);font-size:14px}
footer{margin-top:40px;padding:20px;border-top:1px solid #14382e;color:var(--muted);font-size:12px}
.notice{display:flex;gap:10px;align-items:flex-start;background:#0a1d17;border:1px dashed #1e4a3c;padding:10px 12px;border-radius:12px;margin-top:10px}
.breadcrumbs{font-size:13px;color:var(--muted);margin:10px 0 0}
.breadcrumbs a{color:var(--muted);text-decoration:underline}
kbd{padding:2px 6px;border:1px solid #1e4a3c;border-radius:6px;background:#0c221c;color:#cfe8df;font-size:12px}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border:1px solid #1a3b30;padding:10px} .table th{background:#0d221b}
.tip{border-left:3px solid var(--cta);padding:10px;background:#0c221c;border-radius:10px}
.nextprev{display:flex;justify-content:space-between;margin-top:20px}
.toc-card{position:sticky; top:84px; margin:10px 0; padding:12px}