:root{--line:#22354d;--text:#e8f3fb;--muted:#a8b8c8;--cyan:#22d3ee;--teal:#14b8a6;--green:#34d399;--amber:#f59e0b;--red:#f87171;--violet:#a78bfa}
*{box-sizing:border-box}
body{margin:0;font-family:Segoe UI,Arial,sans-serif;background:linear-gradient(135deg,#050b14,#071b33 45%,#04343b);color:var(--text);min-height:100vh}
.wrap{max-width:1240px;margin:0 auto;padding:26px}
.topnav{position:sticky;top:0;z-index:50;background:#050b14ee;border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.topnav .in{max-width:1240px;margin:0 auto;display:flex;align-items:center;gap:6px;padding:10px 26px;flex-wrap:wrap}
.topnav .logo{font-weight:900;font-size:16px;color:var(--cyan);text-decoration:none;margin-right:14px;letter-spacing:.5px}
.topnav a.nl{color:#cbd8e6;text-decoration:none;font-size:13px;font-weight:700;padding:7px 12px;border-radius:9px;border:1px solid transparent}
.topnav a.nl:hover{background:#0f1b2d;border-color:var(--line)}
.topnav a.nl.active{background:#0891b2;color:#fff}
.topnav .tag{margin-left:auto;font-size:11px;color:var(--muted)}
.hero{background:linear-gradient(135deg,#0b3a68,#0e7490,#0f766e);border-radius:26px;padding:28px;box-shadow:0 20px 60px #0008}
.badge{display:inline-block;background:#ffffff24;border:1px solid #ffffff44;border-radius:999px;padding:6px 12px;font-size:12px;font-weight:700}
h1{font-size:32px;margin:14px 0 8px}
.hero p{color:#d8f3ff;max-width:900px;line-height:1.45}
.card{background:#0f1b2ddd;border:1px solid var(--line);border-radius:20px;padding:20px;margin-top:16px;box-shadow:0 12px 30px #0004}
.card h2{margin:0 0 6px;font-size:20px}
.card .sub{color:var(--muted);font-size:14px;margin-bottom:14px}
.btn{background:#0891b2;color:#fff;border:none;border-radius:12px;padding:11px 16px;font-weight:800;cursor:pointer;font-size:14px;display:inline-block;text-decoration:none}
.btn:hover{background:#0aa5c9}
.btn.vio{background:linear-gradient(135deg,#7c3aed,#6d28d9)}.btn.vio:hover{background:#7c3aed}
.btn.dl{background:linear-gradient(135deg,#15803d,#16a34a)}.btn.dl:hover{background:#16a34a}
.btn.small{padding:8px 12px;font-size:13px;background:#334155}
.btn:disabled{opacity:.45;cursor:not-allowed}
.small{font-size:12px;color:var(--muted)}
.mono{font-family:Consolas,monospace;color:var(--cyan)}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;margin-top:16px}
.opt{background:#0f1b2ddd;border:1px solid var(--line);border-radius:20px;padding:22px;display:flex;flex-direction:column;gap:10px;box-shadow:0 12px 30px #0004;transition:transform .15s,border-color .15s}
.opt:hover{transform:translateY(-3px);border-color:#2b6cb0}
.opt .ic{font-size:34px}
.opt h3{margin:0;font-size:19px}
.opt p{color:var(--muted);font-size:13.5px;line-height:1.5;margin:0;flex:1}
.opt .foot-row{display:flex;gap:8px;align-items:center}
.pill{border-radius:999px;padding:3px 9px;font-weight:800;font-size:11px;white-space:nowrap}
.pill.a{background:#064e3b;color:#a7f3d0}.pill.b{background:#3b0764;color:#e9d5ff}.pill.c{background:#78350f;color:#fde68a}
.msg{margin-top:10px;padding:10px 12px;border-radius:10px;font-size:13px}
.msg.ok{background:#064e3b;color:#bbf7d0;border:1px solid #10b98155}
.msg.warn{background:#78350f;color:#fde68a;border:1px solid #f59e0b55}
.msg.err{background:#7f1d1d;color:#fecaca;border:1px solid #ef444455}
.foot{margin-top:26px;color:#9fb0c2;font-size:12px;text-align:center}
table{width:100%;border-collapse:collapse;background:#081321;border-radius:12px;overflow:hidden;margin-top:12px;font-size:13px}
th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#0b2036;color:#c8d8e8}