:root{--bg:#0d1117;--fg:#e6edf3;--muted:#9aa4b2;--acc:#2ea043;--border:#2d333b;}
*{box-sizing:border-box} body{margin:0;font:16px/1.5 system-ui,Segoe UI,Roboto,Ubuntu;color:var(--fg);background:#0b0e13}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
.site-header{border-bottom:1px solid var(--border);background:#0f141b}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 20px}
nav a{color:var(--fg);text-decoration:none;margin-left:18px}
.hero{padding:80px 0;background:radial-gradient(80% 60% at 50% 0%,#162232,transparent)}
.hero h1{font-size:clamp(28px,4vw,44px);line-height:1.2}
.hero p{color:var(--muted);max-width:680px}
.btn{display:inline-block;margin:10px 12px 0 0;padding:10px 16px;border-radius:8px;background:var(--acc);color:#04120a;text-decoration:none;font-weight:600}
.btn.ghost{background:transparent;border:1px solid var(--border);color:var(--fg)}
.highlights{padding:40px 0;border-top:1px solid var(--border)}
.cards{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.cards article{padding:16px;border:1px solid var(--border);border-radius:12px;background:#0f141b}
.sub .wrap{display:flex;gap:16px;align-items:center;padding:18px 20px}
.table{width:100%;border-collapse:collapse;margin:20px 0}
.table th,.table td{border:1px solid var(--border);padding:8px;text-align:left}
.files li{margin:10px 0}
.site-footer{border-top:1px solid var(--border);padding:20px 0;color:var(--muted)}