*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:#0a0c10;color:#e8ecf1;line-height:1.7}
a{color:#f0b90b;text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:960px;margin:0 auto;padding:0 16px 64px}
nav{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 0;flex-wrap:wrap}
.logo{font-weight:800;letter-spacing:.5px;font-size:18px}.logo span{color:#f0b90b}
.navlinks{display:flex;gap:14px;flex-wrap:wrap;font-size:14px}.navlinks a{color:#cbd5e1}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;margin:12px 0 28px}
.hero img{width:100%;border-radius:20px;border:1px solid #2a3240;display:block}
h1{font-size:40px;line-height:1.25;margin:12px 0 8px}h1 .gold{color:#f0b90b}h2{font-size:22px;margin:36px 0 12px}h3{font-size:17px;margin:16px 0 8px}
.lead{color:#9fb0c3;font-size:16px}.small{font-size:13.5px;color:#9fb0c3}.mono{font-family:ui-monospace,monospace;word-break:break-all;font-size:13px}
.badge{display:inline-block;background:#1a2a1a;border:1px solid #2f5d3a;color:#7ee2a0;border-radius:999px;padding:4px 12px;font-size:13px}
.btn{display:inline-block;background:#f0b90b;color:#111;border:0;border-radius:10px;padding:12px 22px;font-size:15px;font-weight:700;cursor:pointer}
.btn.ghost{background:#1e293b;color:#e8ecf1;border:1px solid #334155}.btn:disabled{opacity:.45;cursor:not-allowed}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:24px 0}
.stat{background:#141922;border:1px solid #2a3240;border-radius:14px;padding:14px 10px;text-align:center}
.stat b{display:block;font-size:20px;color:#f0b90b}.stat span{font-size:12px;color:#9fb0c3}
.tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.tier{background:#141922;border:1px solid #2a3240;border-radius:16px;padding:14px}.tier img{width:100%;border-radius:12px;display:block}.tier b{font-size:18px}.tier p{margin:6px 0;color:#9fb0c3;font-size:13.5px}
.card{background:#141922;border:1px solid #2a3240;border-radius:16px;padding:18px;margin:16px 0}
.steps{counter-reset:s}.steps li{margin:10px 0}
input{width:100%;box-sizing:border-box;background:#0a0c10;color:#e8ecf1;border:1px solid #2a3240;border-radius:10px;padding:11px;margin:8px 0;font-size:14px}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid #2a3240;vertical-align:top}th{color:#9fb0c3}
footer{margin-top:48px;padding-top:20px;border-top:1px solid #2a3240;color:#9fb0c3;font-size:13px}
.warn{color:#ffb84d}.ok{color:#5fd68b}.err{color:#ff7a7a}
@media(max-width:760px){
 .hero{grid-template-columns:1fr}h1{font-size:30px}.stats{grid-template-columns:repeat(2,1fr)}.tiers{grid-template-columns:1fr 1fr}
 nav{flex-direction:column;align-items:flex-start}.navlinks{gap:10px}
}
@media(max-width:420px){.tiers{grid-template-columns:1fr}h1{font-size:26px}.btn{width:100%;text-align:center}}