:root{--bg:#f0f4f8;--surface:#fff;--border:#e2e8f5;--text:#2d3748;--muted:#6b7a90;--accent:#234f94;--navy:#1a3a6b;--gold:#f0a500}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Inter,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.65}
.top{background:linear-gradient(135deg,var(--navy),var(--accent));color:#fff;padding:20px}
.top-inner{max-width:780px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.top a{color:#fff;text-decoration:none}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.1rem}
.brand span{color:var(--gold)}
.brand img{height:34px;width:auto}
.top nav{display:flex;gap:16px;font-size:.85rem}
.top nav a{opacity:.8}
.top nav a:hover,.top nav a[aria-current]{opacity:1;text-decoration:underline}
main{max-width:780px;margin:28px auto 0;padding:0 20px 40px}
article{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:34px 38px}
h1{font-size:1.7rem;color:var(--navy);margin-bottom:4px}
.updated{color:var(--muted);font-size:.85rem;margin-bottom:22px}
h2{font-size:1.1rem;color:var(--accent);margin:28px 0 8px}
h3{font-size:.95rem;margin:16px 0 4px}
p{margin-bottom:10px}
ul{margin:6px 0 12px 22px}
li{margin-bottom:4px}
a{color:var(--accent)}
.note{background:#fff6e0;border:1px solid #f3dfa3;border-radius:8px;padding:12px 14px;font-size:.88rem;margin:14px 0}
.table-wrap{overflow-x:auto;margin:10px 0 14px}
table{width:100%;border-collapse:collapse;font-size:.88rem}
th,td{border:1px solid var(--border);padding:8px 10px;text-align:left;vertical-align:top}
th{background:#f4f7fd}
code{background:#f4f7fd;border:1px solid var(--border);border-radius:4px;padding:0 5px;font-size:.85em}
footer{max-width:780px;margin:0 auto;padding:0 20px 40px;text-align:center;color:var(--muted);font-size:.82rem}
footer a{color:var(--muted)}
@media(max-width:600px){article{padding:22px 18px}}