.guide-navigation{max-width:1000px;margin:0 auto;padding:22px 0 0}.guide-breadcrumbs{font-size:.9rem;color:#5e7487;margin:0 0 14px}.guide-breadcrumbs ol{display:flex;flex-wrap:wrap;gap:6px 10px;list-style:none;margin:0;padding:0}.guide-breadcrumbs li{display:inline-flex;align-items:center;gap:10px}.guide-breadcrumbs li:not(:last-child)::after{content:'›';color:#8aa5b4;font-size:1.1rem}.guide-breadcrumbs a{color:#176b91;text-decoration:none}.guide-breadcrumbs a:hover,.guide-breadcrumbs a:focus-visible{text-decoration:underline}.guide-toc{background:#fff;border:1px solid #d9e8ef;border-radius:16px;padding:18px 22px;box-shadow:0 8px 22px rgba(7,31,61,.05)}.guide-toc summary{cursor:pointer;color:#183a59;font-weight:800;list-style:none}.guide-toc summary::-webkit-details-marker{display:none}.guide-toc summary::after{content:'+';float:right;color:#08a8e6;font-size:1.25rem;line-height:1}.guide-toc[open] summary::after{content:'−'}.guide-toc ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 26px;margin:15px 0 0;padding:0;list-style:none}.guide-toc a{display:block;color:#176b91;text-decoration:none;line-height:1.5;padding:5px 0}.guide-toc a:hover,.guide-toc a:focus-visible{color:#071f3d;text-decoration:underline}.guide-toc:focus-within{border-color:#8ed8e6;box-shadow:0 0 0 3px rgba(142,216,230,.22)}@media(max-width:650px){.guide-navigation{padding-top:16px}.guide-toc{padding:16px}.guide-toc ul{grid-template-columns:1fr;gap:2px 0}.guide-breadcrumbs{font-size:.84rem}}
@media(prefers-reduced-motion:reduce){.guide-navigation{scroll-behavior:auto}}