:root{--ink: #1d2433;--muted: #5f687a;--line: #dde1e9;--soft: #eef0f4;--bg: #f4f5f8;--local: #1f4f99;--local-soft: #e7eefa;--global: #8a4b0f;--global-soft: #f8eee3;--warn-soft: #fff6e0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;font-size:16px}*{box-sizing:border-box}body{margin:0}a{color:var(--local)}.top{display:flex;justify-content:space-between;align-items:center;max-width:1040px;margin:0 auto;padding:18px 20px}.brand{font-weight:700;display:flex;gap:8px;align-items:center;color:var(--ink);text-decoration:none}.dot{width:14px;height:14px;border-radius:50%;background:linear-gradient(90deg,var(--local) 50%,var(--global) 50%)}.top nav{display:flex;gap:18px;font-size:14px}.top nav a{color:var(--muted);text-decoration:none}.top nav a:hover,.top nav a[aria-current]{color:var(--ink)}main{max-width:1040px;margin:0 auto;padding:0 20px 64px}.hero{padding:48px 0 28px;max-width:760px}.hero h1{font-size:40px;line-height:1.15;margin:0 0 14px;letter-spacing:-.01em}.hero p{font-size:18px;color:var(--muted);margin:0}.cta{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 8px}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:10px;font-weight:600;text-decoration:none}.btn.primary{background:var(--ink);color:#fff}.btn.primary:hover{background:#0e1320}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.secondary:hover{border-color:var(--ink)}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:36px 0}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}.card h3{margin:0 0 6px;font-size:15px}.card p{margin:0;color:var(--muted);font-size:14px}.pair{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:1px 7px;border-radius:4px;color:#fff}.pair.local{background:var(--local)}.pair.global{background:var(--global)}.caveat{background:var(--warn-soft);border:1px solid #f0dca8;border-radius:10px;padding:14px 16px;font-size:14px}section{margin-top:36px}section h2{font-size:20px;margin:0 0 10px}.small{font-size:14px;color:var(--muted)}footer{border-top:1px solid var(--line);margin-top:48px;padding-top:16px;font-size:13px;color:var(--muted)}.steps{counter-reset:step;list-style:none;padding:0;margin:0}.steps>li{counter-increment:step;position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 18px 18px 60px;margin-bottom:12px}.steps>li:before{content:counter(step);position:absolute;left:18px;top:18px;width:28px;height:28px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}.steps h3{margin:2px 0 6px;font-size:16px}.steps p{margin:6px 0}pre{background:#10141f;color:#e6e9ef;border-radius:8px;padding:12px 14px;overflow-x:auto;font-size:13.5px;line-height:1.5;margin:8px 0}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}p code,li code{background:var(--soft);padding:1px 5px;border-radius:4px;font-size:.92em}.note{border-left:3px solid var(--local);background:var(--local-soft);padding:10px 14px;border-radius:0 8px 8px 0;font-size:14px}.faq dt{font-weight:600;margin-top:12px}.faq dd{margin:4px 0 0;color:var(--muted);font-size:15px}@media (max-width: 640px){.hero h1{font-size:30px}.top nav{gap:12px}}