/* Styles for the static content pages: /guide/, /faq/ and /chapter/N/ */
:root{--blue:#1d4f91;--navy:#1a3a6b;--text:#222;--muted:#666;--border:#e2e2e2;--green:#2e7d32}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:#fff;line-height:1.65;font-size:16px}
a{color:var(--blue)}
.top{background:var(--blue);color:#fff;padding:14px 16px}
.top .in{max-width:860px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:8px 18px;flex-wrap:wrap}
.top .name{font-weight:700;font-size:19px;color:#fff;text-decoration:none}
.top nav{display:flex;gap:6px 16px;flex-wrap:wrap}
.top nav a{color:#fff;font-size:14.5px}
.wrap{max-width:860px;margin:0 auto;padding:22px 16px 10px}
.crumb{font-size:13.5px;color:var(--muted);margin:0 0 6px}
h1{font-size:26px;line-height:1.3;color:var(--navy);margin:0 0 12px}
h2{font-size:20px;color:var(--navy);margin:28px 0 8px}
h3{font-size:16.5px;margin:20px 0 6px}
p{margin:0 0 12px}
ul,ol{margin:0 0 12px;padding-left:22px}
li{margin-bottom:4px}
.lead{font-size:17px;color:#333}
.cta{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;padding:10px 20px;border-radius:4px;margin:6px 0 4px;font-weight:600}
.box{background:#f6f8fb;border:1px solid #d9e3f0;border-radius:6px;padding:12px 14px;margin:14px 0}
table{border-collapse:collapse;width:100%;margin:0 0 14px;font-size:15px}
th,td{border:1px solid #ddd;padding:8px 10px;text-align:left;vertical-align:top}
th{background:#f4f4f4}
.q{border-top:1px solid var(--border);padding:14px 0 6px}
.q h3{font-weight:600;margin:0 0 8px;font-size:16px;line-height:1.5}
.q ol{list-style:upper-alpha;margin:0 0 8px}
.q .sub{font-size:13px;color:var(--muted);font-weight:400}
details{margin:0 0 8px}
summary{cursor:pointer;color:var(--blue);font-size:15px}
.ans{background:#f1f8f2;border-left:3px solid var(--green);padding:8px 10px;margin-top:6px;font-size:15px}
.pager{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:22px 0 4px;font-size:15px}
.chapters{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:4px 18px;font-size:14.5px}
footer{max-width:860px;margin:26px auto 0;padding:16px;border-top:1px solid var(--border);font-size:13px;color:var(--muted)}
footer p{margin:0 0 8px}
@media (max-width:480px){h1{font-size:22px}h2{font-size:18px}th,td{padding:6px 7px}}