.guide-hub, .guide-article-page { --guide-blue: #1428a0; --guide-line: #e1e4e8; --guide-muted: #555b64; max-width: 1160px; margin: 0 auto; padding: 28px 28px 90px; color: #16191d; }
.guide-hub *, .guide-article-page * { box-sizing: border-box; letter-spacing: 0; }
.guide-hub a, .guide-article-page a { color: inherit; text-decoration: none; }
.guide-hub a:hover, .guide-article-page a:hover { color: var(--guide-blue); text-decoration: underline; text-underline-offset: 4px; }
.guide-hub :is(a, input, button):focus-visible, .guide-article-page :is(a, summary):focus-visible { outline: 2px solid #2189ff; outline-offset: 3px; }
.guide-breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; font-size: 13px; color: var(--guide-muted); margin-bottom: 28px; }
.guide-breadcrumb > * + *::before { content: '/'; margin-right: 10px; color: #a4a8af; }
.guide-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; padding-bottom: 28px; }
.guide-eyebrow { color: var(--guide-blue); font-size: 14px; font-weight: 700; margin: 0 0 10px; }
.guide-heading h1 { font-size: 34px; line-height: 1.3; font-weight: 800; margin: 0; }
.guide-heading p:last-child { font-size: 16px; color: var(--guide-muted); margin: 12px 0 0; }
.guide-search { display: flex; width: 300px; max-width: 100%; height: 44px; border: 1px solid #bdc3cd; border-radius: 8px; background: #fff; overflow: hidden; flex-shrink: 0; }
.guide-search input[type=search] { width: 0; min-width: 0; flex: 1; border: 0; background: transparent; padding: 10px 12px; font: inherit; font-size: 14px; color: #16191d; }
.guide-search button.icon-btn { width: 44px; height: 44px; flex: 0 0 44px; border: 0; border-radius: 0; background: #1428a0; color: #fff; cursor: pointer; }
.guide-topics { display: flex; flex-wrap: wrap; gap: 0 24px; border-top: 1px solid var(--guide-line); border-bottom: 1px solid var(--guide-line); }
.guide-topics a { min-height: 52px; display: inline-flex; align-items: center; font-size: 15px; font-weight: 600; border-bottom: 3px solid transparent; padding: 8px 0 5px; }
.guide-topics a[aria-current=page] { color: var(--guide-blue); border-bottom-color: var(--guide-blue); }
.guide-results { display: flex; flex-wrap: wrap; gap: 10px; align-items: baseline; margin: 28px 0 12px; font-size: 14px; color: var(--guide-muted); }
.guide-results h2 { font-size: 16px; font-weight: 700; color: #16191d; margin: 0; }
.guide-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 40px; }
.guide-card { padding: 26px 0; border-bottom: 1px solid var(--guide-line); min-width: 0; }
.guide-meta { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 13px; color: var(--guide-muted); line-height: 1.6; }
.guide-meta > :first-child { color: var(--guide-blue); font-weight: 700; }
.guide-card h3 { font-size: 22px; font-weight: 750; line-height: 1.45; margin: 12px 0; word-break: keep-all; overflow-wrap: anywhere; }
.guide-card p { font-size: 16px; line-height: 1.7; color: var(--guide-muted); margin: 0 0 18px; }
.guide-read { display: inline-flex; gap: 10px; align-items: center; font-size: 14px; font-weight: 700; min-height: 32px; }
.guide-read i, .guide-section-heading i, .guide-more i { font-size: 12px; }
.guide-featured { grid-column: 1 / -1; padding: 30px 0; }
.guide-featured h3 { font-size: 28px; max-width: 780px; }
.guide-featured p { max-width: 780px; }
.guide-empty { padding-top: 48px; padding-bottom: 60px; min-height: 320px; }
.guide-empty h1, .guide-empty h3 { font-size: 24px; }
.guide-empty p { font-size: 16px; margin: 14px 0; }
.guide-empty a { color: #1428a0; text-decoration: underline; }
.guide-editor-note { font-size: 13px; color: var(--guide-muted); line-height: 1.8; margin: 30px 0 0; }
.guide-article-heading { max-width: 800px; margin: 0 0 40px; }
.guide-article-heading h1 { font-size: 34px; line-height: 1.4; font-weight: 800; margin: 14px 0; word-break: keep-all; overflow-wrap: anywhere; }
.guide-article-heading > p { font-size: 18px; line-height: 1.7; color: var(--guide-muted); margin: 0 0 20px; }
.guide-byline { font-size: 14px; }
.guide-reading-layout { display: grid; grid-template-columns: 220px minmax(0, 740px); gap: 48px; align-items: start; border-top: 1px solid var(--guide-line); padding-top: 32px; }
.guide-toc { position: sticky; top: 144px; }
.guide-toc h2 { font-size: 15px; font-weight: 700; margin: 0 0 14px; }
.guide-toc ol { padding-left: 20px; margin: 0 0 18px; font-size: 14px; line-height: 1.6; color: var(--guide-muted); }
.guide-toc li { margin: 0 0 12px; padding-left: 2px; }
.guide-back { display: inline-flex; gap: 8px; align-items: center; min-height: 44px; font-size: 14px; font-weight: 600; }
.guide-prose { min-width: 0; font-size: 17px; line-height: 1.85; }
.guide-prose section { margin-bottom: 36px; scroll-margin-top: 146px; }
.guide-prose h2 { font-size: 24px; line-height: 1.45; margin: 0 0 18px; font-weight: 750; word-break: keep-all; overflow-wrap: anywhere; }
.guide-prose h3 { font-size: 19px; font-weight: 700; line-height: 1.5; margin: 24px 0 10px; }
.guide-prose p { margin: 0 0 18px; overflow-wrap: anywhere; }
.guide-prose ul, .guide-prose ol { padding-left: 24px; margin: 16px 0; }
.guide-prose li { margin-bottom: 10px; }
.guide-prose strong { font-weight: 750; }
.guide-section-content { overflow-x: auto; }
.guide-prose table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.6; margin: 24px 0; }
.guide-prose caption { text-align: left; font-weight: 700; margin-bottom: 10px; }
.guide-prose th, .guide-prose td { text-align: left; vertical-align: top; border-bottom: 1px solid var(--guide-line); padding: 14px 12px; }
.guide-prose th { background: #f4f6f8; font-weight: 700; }
.guide-prose td:first-child { min-width: 100px; }
.guide-faq { border-top: 1px solid var(--guide-line); padding-top: 28px; }
.guide-faq details { border-bottom: 1px solid var(--guide-line); padding: 16px 0; }
.guide-faq summary { cursor: pointer; font-size: 16px; font-weight: 700; }
.guide-faq p { font-size: 16px; color: var(--guide-muted); margin: 14px 0 0; }
.guide-prose .guide-sources { border-top: 1px solid var(--guide-line); padding-top: 24px; color: var(--guide-muted); font-size: 14px; }
.guide-sources h2 { font-size: 17px; }
.guide-sources a { text-decoration: underline; text-underline-offset: 3px; }
.guide-sources i { font-size: 10px; }
.guide-prose .guide-editor-note { font-size: 13px; }
.guide-products { border-top: 2px solid #1428a0; margin-top: 46px; padding-top: 28px; }
.guide-section-heading { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 16px; margin-bottom: 18px; }
.guide-section-heading h2, .guide-more h2 { font-size: 22px; font-weight: 750; margin: 0; }
.guide-section-heading > a { font-size: 14px; font-weight: 600; }
.guide-product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.guide-product { display: flex; align-items: center; gap: 14px; min-width: 0; border: 1px solid var(--guide-line); border-radius: 8px; padding: 18px 14px; }
.guide-product img { width: 96px; height: 112px; object-fit: contain; flex: 0 0 96px; }
.guide-product > div { min-width: 0; }
.guide-product span { color: var(--guide-muted); font-size: 13px; }
.guide-product h3 { font-size: 15px; font-weight: 700; line-height: 1.6; margin: 6px 0; word-break: keep-all; overflow-wrap: anywhere; }
.guide-product p { font-size: 12px; color: var(--guide-muted); overflow-wrap: anywhere; margin: 0 0 12px; }
.guide-product strong { font-size: 13px; color: var(--guide-blue); }
.guide-product-note { font-size: 13px; color: var(--guide-muted); margin: 14px 0 0; line-height: 1.7; }
.guide-more { border-top: 1px solid var(--guide-line); margin-top: 36px; padding-top: 26px; }
.guide-more > a:not(.guide-back) { display: flex; gap: 16px; justify-content: space-between; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--guide-line); font-size: 16px; }
.guide-sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
/* The fixed bottom bar already provides both consultation actions on compact screens. */
@media(max-width: 1280px) { .guide-page #hs-float, .guide-page #hs-chat-fab, .guide-page #hs-scroll-top { display: none !important; } }
@media(max-width: 1023px) { .guide-reading-layout { grid-template-columns: 1fr; gap: 28px; } .guide-toc { position: static; border-bottom: 1px solid var(--guide-line); padding-bottom: 14px; } .guide-toc ol { columns: 2; column-gap: 36px; } .guide-toc li { break-inside: avoid; } .guide-product-grid { grid-template-columns: 1fr; } .guide-product img { width: 96px; } .guide-prose section { scroll-margin-top: 88px; } }
@media(max-width: 640px) { .guide-hub, .guide-article-page { padding: 20px 20px 90px; } .guide-heading { display: block; } .guide-heading h1, .guide-article-heading h1 { font-size: 28px; } .guide-heading p:last-child { font-size: 15px; } .guide-search { margin-top: 24px; width: 100%; } .guide-topics { gap: 0 18px; } .guide-topics a { font-size: 14px; min-height: 46px; } .guide-list { grid-template-columns: 1fr; } .guide-card h3, .guide-featured h3 { font-size: 22px; } .guide-featured { padding: 26px 0; } .guide-card p { font-size: 15px; } .guide-article-heading > p { font-size: 16px; } .guide-toc ol { columns: 1; } .guide-prose { font-size: 16px; } .guide-prose h2 { font-size: 22px; } .guide-prose h3 { font-size: 18px; } .guide-prose th, .guide-prose td { padding: 12px 8px; } }