.manual-shell { grid-template-columns: 240px minmax(0, 1fr); }
.manual-sidebar { position: sticky; top: 86px; }
.manual-nav { margin: 0; padding: 0; list-style: none; }
.manual-nav li + li { margin-top: 8px; }
.manual-nav a { display: flex; align-items: center; gap: 9px; padding: 9px 8px; border-radius: 6px; text-decoration: none; font-weight: 600; }
.manual-nav a[aria-current="page"] { color: var(--navy-900); background: var(--blue-100); box-shadow: inset 3px 0 var(--blue-700); }
.manual-nav span { display: grid; place-items: center; flex: 0 0 24px; height: 24px; border: 1px solid var(--line); border-radius: 50%; font-size: 12px; }
.manual-index-link { display: inline-block; margin: 14px 8px 0; font-size: 13px; }
.manual-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--muted); }
.manual-article { padding: clamp(20px, 4vw, 36px); overflow-wrap: anywhere; }
.manual-article section { scroll-margin-top: 90px; }
.manual-article section + section { margin-top: 34px; padding-top: 12px; border-top: 1px solid var(--line); }
.manual-article h2 { line-height: 1.5; }
.manual-article li + li { margin-top: 8px; }
.manual-article ol, .manual-article ul { padding-left: 1.5em; }
.manual-article code { padding: 2px 5px; border-radius: 4px; background: var(--page); font-size: .92em; }
.manual-goal { font-size: 16px; }
.manual-toc { margin-bottom: 24px; padding: 16px 20px; background: var(--page); border: 1px solid var(--line); border-radius: 8px; }
.manual-toc ul { margin: 8px 0 0; }
.manual-toc li + li { margin-top: 4px; }
.manual-note { margin: 22px 0; padding: 14px 18px; border-left: 4px solid var(--blue-700); background: var(--blue-100); border-radius: 0 6px 6px 0; }
.manual-figure { margin: 24px 0; padding: 16px; text-align: center; border: 1px solid var(--line); background: var(--page); border-radius: 8px; }
.manual-figure a { display: inline-block; max-width: 100%; }
.manual-figure img { display: block; width: auto; max-width: 100%; height: auto; margin: 0 auto; }
.manual-figure figcaption { margin-top: 12px; color: var(--muted); font-size: 13px; text-align: left; }
.manual-table-wrap { margin: 18px 0; overflow-x: auto; }
.manual-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.manual-table th, .manual-table td { padding: 12px 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.manual-table thead { background: var(--navy-800); color: #fff; }
.manual-table tbody th { width: 32%; min-width: 120px; background: var(--page); font-weight: 600; }
.manual-cards { list-style: none; padding: 0 !important; margin: 24px 0; }
.manual-cards li + li { margin-top: 14px; }
.manual-cards a { display: flex; align-items: flex-start; gap: 18px; padding: 22px; border: 1px solid var(--line); border-radius: 9px; text-decoration: none; color: var(--ink); transition: border-color .15s, background .15s; }
.manual-cards a:hover { background: var(--blue-100); border-color: var(--blue-700); }
.manual-number { display: grid; flex: 0 0 38px; height: 38px; place-items: center; border-radius: 50%; background: var(--blue-700); color: #fff; font-weight: 700; }
.manual-cards h3 { margin: 0; font-size: 20px; }
.manual-cards p { color: var(--muted); }
.manual-card-link { color: var(--blue-700); font-size: 14px; font-weight: 600; }
.manual-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.manual-pager a { padding: 16px 20px; background: #fff; border: 1px solid var(--line); border-radius: 8px; text-decoration: none; }
.manual-pager a:last-child { text-align: right; }
.manual-pager small { display: block; color: var(--muted); }
.manual-version { margin: 0; font-size: 12px; color: var(--muted); }
@media (max-width: 900px) {
    .manual-shell { grid-template-columns: 1fr; }
    .manual-sidebar { position: static; grid-template-columns: 1fr; order: 0; }
    .manual-sidebar > section { display: none; }
    .manual-nav { display: flex; flex-wrap: wrap; gap: 6px; }
    .manual-nav li + li { margin-top: 0; }
}
@media (max-width: 620px) {
    .manual-cards a { padding: 16px; gap: 12px; }
    .manual-figure { padding: 10px; }
    .manual-table th, .manual-table td { padding: 9px; }
    .manual-table tbody th { min-width: 94px; }
    .manual-pager { grid-template-columns: 1fr; }
}
@media print {
    .site-header, .site-footer, .manual-sidebar, .manual-toc, .manual-pager { display: none; }
    .manual-shell { display: block; width: 100%; margin: 0; }
    .manual-article { border: 0; padding: 0; }
    .manual-figure { break-inside: avoid; }
}