#toc a:focus-visible,.mtoc a:focus-visible,.mtoc summary:focus-visible,.library-global-nav a:focus-visible,.library-global-nav summary:focus-visible{outline:2px solid #00d4aa;outline-offset:3px}
#toc a[aria-current="page"]{color:var(--teal-deep,#00806a);font-weight:700}
#toc .toc-title,#toc .toc-group,.mtoc .toc-group{letter-spacing:0}
#toc .toc-group,.mtoc .toc-group{font-family:inherit;font-size:11px;font-weight:700;line-height:1.5;opacity:1;color:var(--mute,#66717e);margin:16px 0 6px;padding-top:10px}
#toc>a:not(:has(.n)){padding-left:43px}
.mtoc a[aria-current="page"]{color:var(--teal-deep,#00806a);font-weight:700;border-left:3px solid #00d4aa;padding-left:10px}
.library-global-nav{box-sizing:border-box;position:sticky;top:0;z-index:90;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 20px;min-height:49px;background:var(--bg,var(--paper,#f6f8fb));color:var(--ink,#111820);border-bottom:1px solid var(--line,var(--rule,#dce3e8));font:600 14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:0}
.library-ready .library-global-nav{--bg:#f4f6f8;--ink:#182327;--line:#dce3e8;--mute:#56646a;--teal-deep:#267368}
.library-ready.lib-dark .library-global-nav{--bg:#202729;--ink:#e6eeee;--line:#3c4648;--mute:#a5b4b5;--teal-deep:#75c2b0}
.library-global-nav a{color:inherit;text-decoration:none;overflow-wrap:anywhere}
.library-global-nav .library-home{display:flex;align-items:center;min-height:44px}
.library-global-nav>details{margin:0;padding:0;border:0;border-radius:0;background:none;box-shadow:none}
.library-global-nav summary{cursor:pointer;min-height:44px;display:list-item;list-style:disclosure-closed inside;font-size:14px;line-height:44px;font-weight:600;white-space:nowrap;padding:0;margin:0;border:0;border-radius:0;background:none;box-shadow:none;color:inherit}
.library-global-nav details[open]>summary{list-style-type:disclosure-open}
.library-global-panel{position:absolute;right:16px;top:100%;box-sizing:border-box;width:900px;max-width:calc(100vw - 32px);max-height:calc(100vh - 80px);overflow:auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding:20px;background:var(--bg,var(--paper,#f6f8fb));border:1px solid var(--line,var(--rule,#dce3e8));border-radius:0 0 8px 8px;box-shadow:0 8px 16px #0002}
.library-menu-group{min-width:0}
.library-menu-group>p{font-size:11px;font-weight:700;line-height:1.5;margin:0 0 6px;color:var(--mute,var(--mut,#66717e));letter-spacing:0}
.library-menu-group>a{display:block;padding:8px 0;font-size:14px;font-weight:400;line-height:1.5}
.library-menu-group>a:hover{color:var(--teal-deep,#00806a);text-decoration:underline}
.library-menu-group>a[aria-current="page"]{color:var(--teal-deep,#00806a);font-weight:700;border-left:3px solid #00d4aa;padding-left:10px}
.library-global-nav+.top{top:49px}
.library-global-nav+.back{top:49px}
.library-global-nav+div[style*="position:sticky"]{top:49px!important}
.library-global-nav~.wrap .tools{top:96px}
.library-global-nav~.wrap .ctrls{top:61px}
@media(min-width:901px){.library-global-nav~.email-library .lib-reader{top:61px;max-height:calc(100vh - 73px)}}
.library-global-nav~.layout .tocwrap{top:105px}
@media(max-width:1099px){.mtoc{padding:0 18px}.mtoc details{padding:0}.mtoc summary{min-height:48px}.mtoc .grid{max-height:calc(100dvh - 80px);overscroll-behavior:contain}.mtoc .grid>a,.mtoc .toc-subs>a{min-height:44px;box-sizing:border-box;display:flex;align-items:center}.mtoc .toc-subs{margin-left:12px}.mtoc a{letter-spacing:0}}
@media(max-width:600px){.mtoc .grid>a{min-height:44px;box-sizing:border-box;display:flex;align-items:center}.library-global-nav{padding:0 14px;gap:12px;font-size:12px}.library-global-nav summary{font-size:12px}.library-global-panel{grid-template-columns:minmax(0,1fr);gap:18px;padding:18px}.library-menu-group>a{min-height:44px;box-sizing:border-box;display:flex;align-items:center}}
@media print{.library-global-nav,.mtoc,.toc{display:none!important}}

/* One compact library tree, independent of the current chapter's topic list. */
.library-global-panel{display:block;width:420px;padding:12px;max-height:calc(100dvh - 65px)}
.library-section{border:0!important;border-radius:0!important;background:none!important;box-shadow:none!important;margin:0!important;padding:0!important}
.library-section>summary{display:flex!important;align-items:center;gap:10px;min-height:44px;padding:10px 12px!important;margin:0!important;list-style:none!important;cursor:pointer;font:650 14px/1.4 inherit!important;line-height:1.4!important;white-space:normal!important;letter-spacing:0!important;background:none!important;color:var(--ink,#182327)!important;border:0!important;border-radius:4px!important}
.library-section>summary::before{content:"+";font:500 18px/1 sans-serif;min-width:14px;color:var(--mute,#66717e)}
.library-section[open]>summary::before{content:"\2212"}
.library-section>summary::after{content:none!important}
.library-section[data-current-section]>summary{background:var(--note-bg,#eefaf6)!important;color:var(--teal-deep,#00806a)!important}
.library-section-links{margin:0 0 8px 18px;padding-left:8px;border-left:1px solid var(--line,#dce3e8)}
.library-section-links>a{display:flex!important;align-items:center;min-height:40px;padding:8px 12px!important;font-size:13px;line-height:1.45;font-weight:400;color:var(--mute,#66717e);border:0!important;border-radius:4px!important;overflow-wrap:anywhere}
.library-section-links>a[aria-current="page"]{color:var(--teal-deep,#00806a)!important;background:var(--bg-soft,#f5f8fb);font-weight:700;border-left:3px solid #00d4aa!important}
.library-section-links>a:hover{color:var(--ink,#182327);background:var(--bg-soft,#f5f8fb);text-decoration:none}
.library-section>summary:focus-visible,.library-page-contents summary:focus-visible,.library-overview-summary:focus-visible{outline:2px solid #00d4aa;outline-offset:2px}
.library-utilities{border-top:1px solid var(--line,#dce3e8);margin:14px 0 0;padding-top:10px}
.library-utilities>a{display:block!important;padding:10px 12px!important;min-height:44px;font-size:13px;letter-spacing:0}
#toc{top:49px!important;max-height:calc(100dvh - 49px)!important;width:auto}
#toc>.toc-title{margin:0 12px 12px!important;letter-spacing:0!important;text-transform:none!important}
#toc .library-section>summary{font-size:14px!important}
.library-overview{margin:0;border:0;border-bottom:1px solid var(--line,#dce3e8);border-radius:0;background:none;box-shadow:none}
.library-overview-summary{cursor:pointer;color:var(--mute,#66717e);font-size:12px;font-weight:500;line-height:1.5;padding:8px 24px;max-width:1240px;margin:auto;min-height:36px}
.library-overview .hero{margin:0;border-radius:0}
.library-context{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px;line-height:1.5;padding:22px 0 8px;color:var(--mute,#66717e)}
.library-context strong{font-weight:500}
.library-page-contents{margin:10px 0 0;padding:0;position:relative}
.library-page-contents>details{margin:0;border:1px solid var(--line,#dce3e8);border-radius:4px;box-shadow:none;padding:0;background:var(--bg-card,#fff)}
.library-page-contents summary{padding:10px 12px;cursor:pointer;font-size:13px;color:var(--ink,#182327);font-weight:600}
.library-page-contents .toc-subs{margin:0;padding:8px 16px 12px;border:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 16px;max-height:360px;overflow:auto}
.library-page-contents .toc-subs>a{padding:8px 0!important;font-size:13px;min-height:40px}
.library-context~section{padding-top:18px;margin-top:0}
.shell main{padding-bottom:64px}
.hub-start,.hub-start *{letter-spacing:0!important}
.hub-start h2{font-size:28px;line-height:1.2}
.hub-start .snum{display:none}
.hub-welcome{padding-top:18px}
.hub-welcome h3{font-size:24px;line-height:1.3;margin:8px 0 16px}
.hub-kicker{font-size:11px;font-weight:700;color:var(--teal-deep,#00806a);margin:0 0 8px}
.hub-start p{font-size:15px;line-height:1.65}
.hub-start h3{font-size:21px;line-height:1.3;margin:0 0 18px}
.hub-start h4{font-size:16px;line-height:1.4;margin:20px 0 12px;color:var(--ink,#182327)}
.hub-band{border-top:1px solid var(--line,#dce3e8);padding:28px 0 0;margin-top:28px;scroll-margin-top:70px}
.hub-jump-links{display:flex;flex-wrap:wrap;gap:10px 20px;padding-top:6px}
.hub-jump-links a{font-size:13px;font-weight:600;padding:6px 0;border-bottom:1px solid var(--line,#dce3e8)}
.hub-product-preview{margin:0 0 22px;display:flex;align-items:center;gap:24px;padding:18px 0;border-bottom:1px solid var(--line,#dce3e8)}
.hub-product-preview img{width:240px;height:160px;object-fit:contain;flex:none}
.hub-product-preview figcaption{font-size:14px;line-height:1.5;padding:0;color:var(--mute,#66717e);max-width:26ch}
.hub-start .product-table-wrap{border:0;overflow:visible}
.hub-start .product-table{font-size:14px;background:transparent}
.hub-start .product-table th{white-space:normal;text-transform:none;font-size:13px;width:140px;background:none;line-height:1.5}
.hub-start .product-table td{line-height:1.6}
.hub-start .product-note,.hub-start .hub-note{font-size:13px;line-height:1.6;color:var(--mute,#66717e);margin:18px 0 0}
.hub-cornerstones{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}
.hub-cornerstones li{margin:0;padding:0;border-top:1px solid var(--line,#dce3e8);max-width:none}
.hub-cornerstones a{display:block;padding:14px 0;line-height:1.5}
.hub-cornerstones strong{display:block;font-size:14px;color:var(--teal-deep,#00806a)}
.hub-cornerstones span{display:block;font-size:13px;color:var(--body,#3b4661);margin-top:4px}
.hub-routes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.hub-route{min-width:0;border-left:3px solid var(--teal,#00d4aa);padding:0 0 0 18px}
.hub-route+article{border-color:var(--line-strong,#cbd5e3)}
.hub-route h4{margin:8px 0 12px}
.hub-route p{font-size:14px}
.hub-action{display:inline-flex;align-items:center;justify-content:center;min-height:44px;gap:8px;padding:10px 14px;border-radius:4px;background:var(--teal,#00d4aa);color:#04291f!important;font-size:14px;font-weight:650;line-height:1.4;overflow-wrap:anywhere;max-width:100%}
.hub-action:hover{background:#00bd98;text-decoration:none}
.hub-action-secondary{background:var(--bg-soft,#f5f8fb);color:var(--ink,#182327)!important;border:1px solid var(--line-strong,#cbd5e3)}
.hub-action-secondary:hover{background:var(--bg-card,#fff);border-color:var(--teal,#00d4aa)}
.hub-text-link{display:block;font-size:13px;font-weight:600;padding:12px 0;line-height:1.5}
.hub-checklist{padding-left:24px;margin:20px 0 0}
.hub-checklist li{padding:0 0 14px 8px;margin:0;font-size:14px;line-height:1.65;max-width:none}
.hub-library-map{margin:0}
.hub-library-map>div{display:grid;grid-template-columns:170px minmax(0,1fr);gap:18px;padding:14px 0;border-bottom:1px solid var(--line,#dce3e8)}
.hub-library-map dt{font-size:14px;font-weight:650}
.hub-library-map dd{margin:0;font-size:14px;line-height:1.6}
.hub-start .stepc{border:0;border-bottom:1px solid var(--line,#dce3e8);border-radius:0;box-shadow:none;background:none;padding:16px 0}
.hub-start .stepc .sn{border-radius:4px;background:var(--bg-soft,#f5f8fb);color:var(--teal-deep,#00806a)}
.hub-start .goldbox,.hub-start .callout{border-radius:4px;box-shadow:none}
.hub-start .btn{border-radius:4px!important;letter-spacing:0!important}
@media(max-width:1099px){.library-section-links>a{min-height:44px}.library-context{padding-top:16px}.library-overview-summary{padding:8px 18px}}
@media(max-width:600px){.library-global-panel{max-width:calc(100vw - 24px);right:12px;width:420px}.library-page-contents .toc-subs{grid-template-columns:1fr}.hub-start h2{font-size:26px}.hub-welcome h3{font-size:22px}.hub-routes,.hub-cornerstones{grid-template-columns:1fr}.hub-product-preview{gap:12px;flex-direction:column;align-items:flex-start}.hub-product-preview img{width:100%;height:160px}.hub-product-preview figcaption{max-width:none}.hub-start .product-table,.hub-start .product-table tbody,.hub-start .product-table tr,.hub-start .product-table th,.hub-start .product-table td{display:block;width:100%}.hub-start .product-table th{border:0;padding:12px 0 0}.hub-start .product-table td{padding:4px 0 12px}.hub-library-map>div{grid-template-columns:1fr;gap:4px}.hub-action{font-size:13px}.hub-start .goldbox .btn{white-space:normal}.library-context{font-size:11px}.hub-start .stepc{grid-template-columns:30px minmax(0,1fr);gap:10px}}
@media print{.library-overview{display:none}.library-context,.library-page-contents,.hub-jump-links{display:none}.hub-start .product-table{display:table}.hub-start .product-table tbody{display:table-row-group}.hub-start .product-table tr{display:table-row}.hub-start .product-table th,.hub-start .product-table td{display:table-cell}}
.library-section>summary{font-family:inherit!important;font-size:14px!important;font-weight:650!important}
.library-subgroup{border:0!important;padding:0!important;margin:0!important;border-radius:0!important;background:none!important;box-shadow:none!important}
.library-subgroup>summary{display:flex!important;align-items:center;min-height:44px;cursor:pointer;padding:10px 8px!important;font-size:12px!important;line-height:1.5!important;font-weight:650!important;white-space:normal!important;color:var(--ink,#182327)!important;list-style:none!important;background:none!important;border:0!important}
.library-subgroup>summary::before{content:"+";margin-right:8px;color:var(--mute,#66717e)}
.library-subgroup[open]>summary::before{content:"\2212"}
.library-subgroup-links>a{display:block;padding:10px 10px 10px 14px!important;min-height:40px;font-size:12px;line-height:1.5;color:var(--mute,#66717e);border-left:2px solid transparent;overflow-wrap:anywhere}
.library-subgroup-links>a[aria-current="page"]{border-left-color:var(--link,#00806a);color:var(--link,#00806a);background:var(--note-bg,#eefaf6);font-weight:650}
.library-subgroup-links>a:hover{color:var(--ink,#182327);text-decoration:underline}
.library-subgroup>summary:focus-visible,.library-subgroup-links>a:focus-visible,.library-global-panel a:focus-visible{outline:2px solid var(--link,#00806a);outline-offset:2px}
.library-section[data-current-section]>summary,.library-section-links>a[aria-current="page"]{color:var(--link,var(--teal-deep,#00806a))!important}
.hub-start h1{margin:0;font-size:28px;line-height:1.2;color:var(--ink,#182327);font-weight:800}
.hub-kicker,.hub-cornerstones strong{color:var(--link,var(--teal-deep,#00806a))}
.hub-start .goldbox .btn{max-width:100%;padding:12px!important;font-size:13px!important}
@media(max-width:600px){.hub-start h1{font-size:26px}}
.library-ready .library-global-nav{--note-bg:#e2f3ee;--bg-soft:#e8eded}
.library-ready.lib-dark .library-global-nav{--note-bg:#243a33;--bg-soft:#2a3335;--link:#75c2b0}
.hub-resource-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.hub-resource-groups h4{margin:0 0 8px}
.hub-resource-groups ul+h4{margin-top:22px}
.hub-resource-links{list-style:none;padding:0;margin:0}
.hub-resource-links li{margin:0;padding:0;max-width:none;border-bottom:1px solid var(--line,#dce3e8)}
.hub-resource-links a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;padding:10px 0;font-size:14px;line-height:1.5;font-weight:600}
.hub-resource-links a::after{content:"\2192";font:18px/1 sans-serif;flex:none}
@media(max-width:600px){.hub-resource-groups{grid-template-columns:1fr;gap:24px}}
.bf-channel-nav{display:flex;flex-wrap:wrap;gap:4px 24px;padding:12px 0;margin:20px 0 28px;border-top:1px solid var(--line,#dce3e8);border-bottom:1px solid var(--line,#dce3e8)}
.bf-channel-nav a{display:flex;align-items:center;min-height:44px;font-size:14px;font-weight:600;line-height:1.5;padding:6px 0;letter-spacing:0}
.bf-channel-nav a[aria-current="page"]{color:var(--ink,#182327);border-bottom:3px solid var(--teal,#00d4aa)}
.bf-channel-nav a:focus-visible{outline:2px solid #00d4aa;outline-offset:3px}
.bf-email-reference{border-top:1px solid var(--line,#dce3e8);padding-top:28px;margin-top:36px}
.bf-topic-index{margin:0 0 24px;padding:0;border:0;border-radius:0;background:none;box-shadow:none}
.bf-topic-index>summary{min-height:44px;padding:10px 0;font-size:13px;color:var(--mute,#66717e);cursor:pointer}
@media(max-width:600px){.bf-channel-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 16px}.bf-channel-nav a{font-size:13px;overflow-wrap:anywhere}}