:root{--bg:#0f1220;--panel:#181c30;--panel-2:#1e2338;--text:#e8eaf2;--muted:#9aa1b8;--brand:#6ee7a0;--brand-2:#38bdf8;--line:#2a3050}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);margin:0;font:16px/1.7 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.container{max-width:880px;margin:0 auto;padding:0 20px}.skip-link{background:var(--brand);color:#000;z-index:10;padding:8px 14px;position:absolute;top:0;left:-999px}.skip-link:focus{top:12px;left:12px}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.header{border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0f1220eb;position:sticky;top:0}.navigation{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-top:14px;padding-bottom:14px;display:flex}.brand{color:var(--text);letter-spacing:.3px;align-items:center;gap:8px;font-size:20px;display:inline-flex}.brand:hover{text-decoration:none}.brand strong{color:var(--brand)}.nav-links{flex-wrap:wrap;gap:18px;display:flex}.header-link{color:var(--muted);font-size:15px}.header-link:hover{color:var(--text);text-decoration:none}main{min-height:60vh}.hero{padding:48px 0 8px}h1{letter-spacing:-.3px;margin:0 0 14px;font-size:34px;line-height:1.25}h2{margin:34px 0 12px;font-size:24px}h3{margin:24px 0 8px;font-size:18px}p{color:var(--text);margin:10px 0}.lead{color:var(--muted);font-size:17px}.muted{color:var(--muted)}.card-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin:22px 0;display:grid}.card{background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:12px;padding:18px;display:block}.card:hover{border-color:var(--brand);text-decoration:none}.card h2{margin:0 0 6px;font-size:19px}.card p{color:var(--muted);margin:0;font-size:14.5px}.card .count{color:var(--brand);margin-top:10px;font-size:13px;display:inline-block}table.codes{border-collapse:collapse;background:var(--panel);border-radius:12px;width:100%;margin:18px 0;overflow:hidden}table.codes th,table.codes td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:11px 14px}table.codes th{background:var(--panel-2);text-transform:uppercase;letter-spacing:.6px;color:var(--muted);font-size:14px}table.codes tr:last-child td{border-bottom:none}code.code-chip{border:1px solid var(--brand);color:var(--brand);letter-spacing:.6px;background:#0b0e1a;border-radius:8px;padding:3px 10px;font-size:15px}ol.steps{padding-left:22px}ol.steps li{margin:8px 0}ul.faq{padding-left:0;list-style:none}ul.faq li{margin:14px 0}.notice{background:var(--panel-2);border-left:3px solid var(--brand-2);color:var(--muted);border-radius:0 10px 10px 0;margin:18px 0;padding:12px 16px;font-size:15px}.updated{color:var(--muted);font-size:14px}.breadcrumb{color:var(--muted);margin:22px 0 0;font-size:14px}.breadcrumb a{color:var(--muted)}.article{padding-bottom:46px}.footer{border-top:1px solid var(--line);color:var(--muted);margin-top:40px;padding:26px 0;font-size:14px}.footer-inner{flex-wrap:wrap;justify-content:space-between;gap:20px;display:flex}.footer-name{color:var(--text);font-weight:600}.footer nav{flex-wrap:wrap;gap:16px;display:flex}@media (max-width:640px){h1{font-size:27px}.navigation{justify-content:center}}