:root{--bg:#0b0e14;--surface:#131820;--border:#1e2530;--text:#c8cdd5;--text-dim:#6b7280;--accent:#3b82f6;--accent-hover:#60a5fa;--success:#22c55e;--warning:#f59e0b;--mono:'Courier New',Courier,monospace;--sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.7;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--accent);text-decoration:none;transition:color .2s}a:hover{color:var(--accent-hover)}
code,pre{font-family:var(--mono)}
nav{position:sticky;top:0;z-index:100;background:rgba(11,14,20,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:0 2rem}
.nav-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:60px}
.nav-brand{font-weight:700;font-size:1.1rem;color:#fff;letter-spacing:.5px}.nav-brand span{color:var(--accent)}
.nav-links{display:flex;gap:1.8rem;list-style:none}
.nav-links a{color:var(--text-dim);font-size:.9rem;font-weight:500;text-transform:uppercase;letter-spacing:.8px;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.4rem;cursor:pointer}
main{flex:1;max-width:1100px;width:100%;margin:0 auto;padding:3rem 2rem}
section{margin-bottom:4rem}
h1{font-size:2.4rem;font-weight:800;color:#fff;line-height:1.2;margin-bottom:1rem}
h2{font-size:1.5rem;font-weight:700;color:#fff;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:1px solid var(--border)}
h3{font-size:1.1rem;font-weight:600;color:#fff;margin-bottom:.5rem}
p{margin-bottom:1rem}ul,ol{margin-bottom:1.5rem;padding-left:1.5rem}li{margin-bottom:.4rem}
.subtitle{font-size:1.15rem;color:var(--text-dim);max-width:640px;margin-bottom:2rem}
.hero{text-align:center;padding:4rem 0 3rem}.hero h1{font-size:2.8rem}.hero .subtitle{margin:0 auto 2.5rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}
.card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:1.5rem}.card h3{margin-bottom:.6rem}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:.75rem 1.8rem;border-radius:6px;font-weight:600;font-size:.95rem;letter-spacing:.3px;transition:background .2s,transform .1s}
.btn:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px)}
.gateway-url{display:inline-block;background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:.6rem 1.2rem;font-family:var(--mono);font-size:1rem;color:var(--success);margin:1rem 0}
.table-wrap{overflow-x:auto;margin-bottom:2rem}
table{width:100%;border-collapse:collapse;font-size:.9rem}
thead{background:var(--surface)}
th{text-align:left;padding:.8rem 1rem;font-weight:600;color:#fff;border-bottom:2px solid var(--border);white-space:nowrap}
td{padding:.7rem 1rem;border-bottom:1px solid var(--border);vertical-align:top}
tr:hover td{background:rgba(59,130,246,.04)}
.method{display:inline-block;font-family:var(--mono);font-size:.75rem;font-weight:700;padding:.15rem .5rem;border-radius:3px;text-transform:uppercase}
.method-get{background:rgba(34,197,94,.15);color:var(--success)}
.method-post{background:rgba(245,158,11,.15);color:var(--warning)}
.price{font-family:var(--mono);font-weight:600;color:#fff}
.path{font-family:var(--mono);font-size:.85rem;color:var(--accent)}
pre{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:1.2rem;overflow-x:auto;font-size:.85rem;line-height:1.6;margin-bottom:1.5rem}
code{font-size:.88em}p code{background:var(--surface);padding:.15rem .4rem;border-radius:3px;color:var(--accent)}
footer{border-top:1px solid var(--border);padding:2rem;text-align:center;color:var(--text-dim);font-size:.85rem}
.note{background:rgba(59,130,246,.08);border-left:3px solid var(--accent);padding:1rem 1.2rem;border-radius:0 6px 6px 0;margin-bottom:1.5rem;font-size:.9rem}
@media(max-width:768px){.nav-toggle{display:block}.nav-links{display:none;position:absolute;top:60px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--border);flex-direction:column;padding:1rem 2rem;gap:1rem}.nav-links.open{display:flex}.hero h1{font-size:2rem}h1{font-size:1.8rem}main{padding:2rem 1.2rem}}