:root{
--ink:#0b0f14;--ink2:#0e141b;--text:#e8edf2;--muted:#9fa6ad;--gold:#f5c542;--green:#00ffc6;--white:#ffffff;
--panel:rgba(255,255,255,.06);--panel2:rgba(255,255,255,.03);--border:rgba(255,255,255,.12);--danger:#ef4444;--ok:#22c55e}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(100% 100% at 100% 0%, rgba(245,197,66,.10), transparent 40%), linear-gradient(180deg, var(--ink), var(--ink2));color:var(--text);font-family:Inter,system-ui,Arial,Helvetica,sans-serif;line-height:1.6}
.wrap{max-width:1240px;margin:0 auto;padding:0 18px}.row{display:flex;align-items:center;gap:12px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media(max-width:1120px){.grid-4{grid-template-columns:1fr 1fr}}@media(max-width:980px){.grid-2,.grid-3{grid-template-columns:1fr}.nav{display:none}.hide-sm{display:none}}
.hdr{position:sticky;top:0;background:rgba(11,15,20,.8);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:20}.hdr-row{padding:10px 0}
.brand .logo{height:38px;width:38px;border-radius:12px;border:1px solid var(--border)}.brandname{color:#fff;font-weight:700;letter-spacing:.2px}
.nav a{color:#cbd5e1;margin-right:16px;text-decoration:none}.nav a:hover{color:#fff}
.btn{padding:11px 15px;border-radius:12px;border:1px solid var(--border);background:linear-gradient(180deg,#fff,#ddd);color:#000;cursor:pointer;transition:transform .05s ease, box-shadow .2s}.btn:active{transform:translateY(1px)}
.btn.secondary{background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.02));color:#fff}.btn.gold{background:linear-gradient(180deg,#ffe082,#f5c542);border-color:#e6b22e;color:#000;box-shadow:0 8px 20px rgba(245,197,66,.25)}
.btn.ghost{background:transparent;color:#fff;border:1px dashed var(--border)}
.input,select,textarea{width:100%;padding:11px 12px;border-radius:11px;border:1px solid var(--border);background:rgba(255,255,255,.04);color:#fff}.input.slim{padding:8px 10px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:16px;box-shadow:0 8px 32px rgba(0,0,0,.15)}
.card-ghost{background:var(--panel2);border:1px dashed var(--border);border-radius:18px;padding:16px}
.hero{padding:44px 0;background:radial-gradient(60% 120% at 50% 0%, rgba(0,255,198,.10), transparent 60%)}.section{padding:30px 0}.label{display:block;font-size:.9rem;color:#d9dee3;margin-bottom:6px}
.muted{color:var(--muted)}.small{font-size:.85rem}.strong{font-weight:700;color:#fff}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border:1px solid var(--border);border-radius:999px;font-size:.75rem;color:#111;background:linear-gradient(180deg,#fff,#ddd)}.badge.rev{color:#eaeef3;background:rgba(255,255,255,.08)}
.kbd{padding:2px 6px;border-radius:6px;border:1px solid var(--border);background:rgba(255,255,255,.08);font-size:.75rem}.table{width:100%;border:1px solid var(--border);border-radius:12px;overflow:hidden}.table th{background:rgba(255,255,255,.06);font-size:.8rem;color:#9ca3af;padding:8px;text-align:left}.table td{border-top:1px solid var(--border);padding:8px;font-size:.95rem}
pre{white-space:pre-wrap;word-wrap:break-word;background:rgba(255,255,255,.06);padding:12px;border-radius:12px;border:1px solid var(--border)}.ftr{margin-top:40px;padding:24px 0;border-top:1px solid var(--border)}
.heroimg{width:100%;max-width:600px;border-radius:18px;border:1px solid var(--border);box-shadow:0 10px 40px rgba(245,197,66,.12)}
.stepper{display:flex;gap:10px;margin:10px 0 0}.step{flex:1;padding:10px;border:1px solid var(--border);border-radius:12px;text-align:center;background:rgba(255,255,255,.04)}.step.active{border-color:var(--gold);box-shadow:0 4px 16px rgba(245,197,66,.2)}
.tabbar{display:flex;gap:8px;border-bottom:1px solid var(--border);margin-bottom:10px}.tabbar button{border:none;background:transparent;color:#cbd5e1;padding:10px 12px;border-bottom:2px solid transparent;cursor:pointer}.tabbar button.active{color:#fff;border-color:var(--gold)}
.toast{position:fixed;right:16px;bottom:16px;background:rgba(0,0,0,.8);color:#fff;padding:10px 14px;border-radius:12px;border:1px solid var(--border);z-index:100;display:none}
hr.sep{border:none;border-top:1px dashed var(--border);margin:12px 0}
.progress{width:100%;height:10px;background:rgba(255,255,255,.08);border:1px solid var(--border);border-radius:999px;overflow:hidden}
.progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--green),var(--gold));width:0%}
.tag{display:inline-block;border:1px solid var(--border);padding:2px 8px;border-radius:999px;font-size:.75rem;margin:2px;background:rgba(255,255,255,.06)}