:root{--fg:#1a1a2e;--bg:#fafafa;--acc:#2563eb;--mut:#64748b}
*{box-sizing:border-box}body{margin:0;font:16px/1.7 -apple-system,system-ui,sans-serif;color:var(--fg);background:var(--bg)}
main{max-width:720px;margin:0 auto;padding:2rem 1.25rem}
a{color:var(--acc)}h1,h2{line-height:1.25}
header{border-bottom:1px solid #e2e8f0;padding:.75rem 1.25rem;display:flex;justify-content:space-between;align-items:center}
header .logo{font-weight:700;text-decoration:none;color:var(--fg)}
.updated{color:var(--mut);font-size:.85rem}
.card{border:1px solid #e2e8f0;border-radius:12px;padding:1rem 1.25rem;margin:1rem 0;background:#fff}
.btn{display:inline-block;background:var(--acc);color:#fff;padding:.6rem 1.2rem;border-radius:8px;text-decoration:none;font-weight:600}
.disc{color:var(--mut);font-size:.8rem;border-top:1px solid #e2e8f0;margin-top:2rem;padding-top:1rem}
table{width:100%;border-collapse:collapse}td,th{border:1px solid #e2e8f0;padding:.5rem;text-align:left;font-size:.9rem}
code{background:#eef2f7;padding:.1rem .4rem;border-radius:4px}