:root{
  --bg:#0e1424; --bg-soft:#151d33; --surface:#1b2440; --line:#2c3a5e;
  --text:#e9ecf5; --muted:#a3adc8; --paper:#f4ecdb; --ink:#1d2436;
  --accent:#d9a441; --accent-soft:rgba(217,164,65,.14);
  --font-display:"Newsreader","Noto Serif SC",Georgia,serif;
  --font-body:"Manrope","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.2;text-wrap:balance}
h1{font-size:clamp(2.2rem,5vw,3.6rem)}
h2{font-size:clamp(1.6rem,3vw,2.2rem)}
h3{font-size:1.15rem}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px}
header.site{position:sticky;top:0;z-index:50;background:rgba(14,20,36,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:1080px;margin:0 auto}
.brand{font-family:var(--font-display);font-size:1.1rem;color:var(--text);letter-spacing:.02em}
.brand span{color:var(--accent)}
nav.links{display:flex;gap:22px;flex-wrap:wrap}
nav.links a{color:var(--muted);font-size:.92rem}
nav.links a:hover,nav.links a[aria-current="page"]{color:var(--accent)}
.hero{padding:88px 0 64px;border-bottom:1px solid var(--line);background:radial-gradient(1200px 500px at 70% -10%,rgba(217,164,65,.08),transparent)}
.kicker{color:var(--accent);text-transform:uppercase;letter-spacing:.18em;font-size:.75rem;font-weight:700;margin-bottom:16px}
.hero p.lede{font-size:1.15rem;color:var(--muted);max-width:46em;margin:20px 0 28px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 24px;border-radius:8px;font-weight:700;font-size:.95rem}
.btn-primary{background:var(--accent);color:#1a1408}
.btn-primary:hover{text-decoration:none;filter:brightness(1.08)}
.btn-ghost{border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);text-decoration:none}
.stats{display:flex;gap:36px;flex-wrap:wrap;margin-top:44px}
.stat b{display:block;font-family:var(--font-display);font-size:1.7rem;color:var(--accent)}
.stat span{color:var(--muted);font-size:.85rem}
section{padding:64px 0;border-bottom:1px solid var(--line)}
section:last-of-type{border-bottom:none}
.sec-label{color:var(--accent);font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;font-weight:700;margin-bottom:10px}
.grid{display:grid;gap:20px;margin-top:32px}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:24px}
.card h3{color:var(--text);margin-bottom:8px}
.card p{color:var(--muted);font-size:.95rem}
ol.steps{counter-reset:s;list-style:none;margin-top:28px;display:grid;gap:16px}
ol.steps li{counter-increment:s;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px 22px 20px 64px;position:relative}
ol.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:20px;top:20px;font-family:var(--font-display);color:var(--accent);font-size:1.2rem;font-weight:700}
ol.steps b{display:block;margin-bottom:4px}
ol.steps p{color:var(--muted);font-size:.95rem}
details{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px 20px;margin-bottom:12px}
details summary{cursor:pointer;font-weight:700;color:var(--text)}
details p{color:var(--muted);margin-top:10px;font-size:.95rem}
table{width:100%;border-collapse:collapse;margin-top:24px;font-size:.95rem}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
th{color:var(--accent);font-size:.8rem;text-transform:uppercase;letter-spacing:.08em}
td{color:var(--muted)}
td:first-child{color:var(--text);font-weight:600}
.callout{background:var(--accent-soft);border:1px solid rgba(217,164,65,.35);border-radius:12px;padding:20px 24px;margin-top:24px;color:var(--text)}
.src{color:var(--muted);font-size:.85rem;margin-top:12px}
.src a{color:var(--accent)}
footer.site{padding:40px 0;color:var(--muted);font-size:.85rem;border-top:1px solid var(--line)}
footer.site .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:820px){.g3,.g2{grid-template-columns:1fr}.stats{gap:22px}}