@charset "UTF-8";
:root{--navy:#171047;--ink:#23324b;--muted:#65738b;--blue:#79398d;--line:#e3e8f0;--pale:#f3f6fc;--paper:#fff;--teal:#007c79;--header:82px;font-family:"Segoe UI",Inter,Arial,sans-serif;color:var(--ink);font-synthesis:none;background:#fff}
*{box-sizing:border-box}body{margin:0}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default}:focus-visible{outline:3px solid #a66ab2;outline-offset:4px}button{color:inherit}img{max-width:100%}button.icon-button{border:0;background:transparent;font-size:25px;width:38px;height:38px;display:grid;place-items:center;border-radius:7px}.icon-button:hover{background:var(--pale)}.skip-link{position:fixed;top:-70px;left:20px;z-index:100;background:var(--navy);color:white;padding:14px}.skip-link:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.site-header{height:var(--header);position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 34px;gap:30px}.header-brand{display:flex;align-items:center}.brand{display:flex;align-items:center;gap:17px;color:var(--muted);white-space:nowrap}.brand:hover{text-decoration:none}.logo-crop{position:relative;display:block;width:148px;height:34px;overflow:hidden}.logo-crop img{position:absolute;width:162px;max-width:none;left:-7px;top:-11px}.brand-divider{height:25px;width:1px;background:var(--line)}.brand-label{font-size:13px}.search-trigger{width:365px;border:1px solid var(--line);border-radius:8px;background:#f7f9fc;display:flex;align-items:center;gap:12px;text-align:left;padding:10px 13px;color:var(--muted);font-size:13px}.search-symbol{width:14px;height:14px;display:inline-block;border:1.6px solid currentColor;border-radius:50%;position:relative;flex-shrink:0;margin-right:3px}.search-symbol:after{content:"";position:absolute;height:6px;width:1.6px;background:currentColor;transform:rotate(-45deg);bottom:-5px;right:-3px}kbd{margin-left:auto;border:1px solid #d7deea;background:white;border-radius:4px;padding:0 5px;font-size:11px}.document-link{display:flex;gap:12px;align-items:center;font-size:12px;color:var(--ink);white-space:nowrap}.document-link span:last-child{font-size:20px}.mobile-menu{display:none!important}
.layout{max-width:1680px;margin:auto;display:grid;grid-template-columns:244px minmax(0,1fr) 224px}.sidebar{position:sticky;top:var(--header);height:calc(100dvh - var(--header));overflow:auto;border-right:1px solid var(--line);padding:30px 20px 20px 27px;font-size:12px;scrollbar-width:thin}.nav-group{margin-bottom:25px}.nav-group p{font-size:9px;letter-spacing:1.7px;font-weight:700;color:#8290a5;margin:0 10px 12px}.nav-group a{display:flex;align-items:center;gap:10px;color:#5b6880;padding:8px 10px;border-radius:5px;line-height:1.35;min-height:34px}.nav-group a:hover{text-decoration:none;background:#f6f8fc;color:var(--navy)}.nav-group a.active,.glossary-nav.active{color:var(--blue);background:#f3edf8;font-weight:650}.nav-group a span{width:14px;text-align:center;font-size:16px}.nav-group .nav-dot{height:5px;width:5px;border-radius:50%;background:#9daac0;margin:0 5px}.nav-group a.active .nav-dot{background:var(--blue)}.glossary-nav{display:flex;align-items:center;gap:9px;padding:13px 10px;color:var(--ink);border-top:1px solid var(--line);font-size:11px}.glossary-nav span:first-child{font-family:Georgia,serif;font-size:19px}.glossary-nav span:last-child{margin-left:auto}.sidebar-bottom{color:var(--muted);font-size:10px;line-height:2.2;padding:18px 10px 0}.sidebar-bottom small{font-size:9px;padding-left:12px}.status-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--teal);margin-right:5px}
main{min-width:0;padding:38px 48px 50px;max-width:1040px;width:100%;margin:auto;outline:none}.context-rail{position:sticky;top:var(--header);height:calc(100dvh - var(--header));overflow:auto;padding:45px 25px 30px 14px;font-size:11px}.rail-label{font-size:9px;letter-spacing:1.6px;font-weight:700;color:#8290a5;margin:0 0 17px}.toc{border-left:1px solid var(--line);display:grid;gap:0}.toc a{color:var(--muted);font-size:11px;padding:8px 0 8px 14px;line-height:1.5}.toc a:hover{color:var(--blue)}.rail-note{margin-top:32px;border-top:1px solid var(--line);padding-top:20px;color:var(--muted);line-height:1.7}.rail-note strong{color:var(--navy);display:block;font-size:12px;margin-bottom:7px}.rail-note a{display:block;margin-top:12px;font-weight:600;font-size:11px}.rail-note .term{display:inline;font-size:inherit}.rail-support{margin-top:27px;padding-top:23px;border-top:1px solid var(--line);line-height:1.8;color:var(--muted)}.rail-support a{font-size:12px;font-weight:600;display:block;margin-top:4px}
.breadcrumbs{display:flex;gap:8px;font-size:10px;color:#7b89a0;margin-bottom:28px;align-items:center;flex-wrap:wrap}.breadcrumbs a{color:#7b89a0}.breadcrumbs span[aria-hidden]{color:#bdc6d5}.eyebrow{font-size:9px;font-weight:700;color:var(--blue);letter-spacing:2px;margin:0 0 18px;display:flex;align-items:center;gap:10px}.eyebrow:before{content:"";width:6px;height:6px;background:var(--blue);display:block}h1,h2,h3{color:var(--navy);letter-spacing:-.025em}h1{font-size:38px;line-height:1.17;margin:0 0 19px;font-weight:650}h2{font-size:24px;font-weight:650;line-height:1.3;margin:36px 0 16px;scroll-margin-top:104px}h3{font-size:16px;font-weight:650;margin:23px 0 12px;scroll-margin-top:104px}.hero h1{font-size:clamp(34px,3.4vw,49px);line-height:1.12;letter-spacing:-.045em;max-width:650px}.hero h1 em{font-style:normal;color:var(--blue)}.hero .lead{max-width:650px;font-size:15px;line-height:1.8;color:#64718a;margin:0}.hero{padding-bottom:28px;border-bottom:1px solid var(--line)}.hero-meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:23px;color:#6d7a91;font-size:10px}.hero-meta span{display:flex;align-items:center;gap:7px}.hero-meta i{font-style:normal;color:var(--teal);font-size:11px}.section-kicker{font-size:9px;color:var(--muted);letter-spacing:1.7px;font-weight:700;margin-top:30px}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:baseline;margin:0 0 19px}.section-head h2{margin:10px 0 0;font-size:22px}.section-head>a{font-size:11px;white-space:nowrap}.services-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:9px;overflow:hidden}.service-entry{padding:22px;position:relative;color:var(--ink);display:block}.service-entry:nth-child(odd){border-right:1px solid var(--line)}.service-entry:nth-child(-n+2){border-bottom:1px solid var(--line)}.service-entry:hover{text-decoration:none;background:#fbf9fd}.service-top{display:flex;gap:12px;align-items:center;margin-bottom:11px}.service-icon{height:32px;width:32px;color:var(--blue);background:#f3edf8;border-radius:7px;display:grid;place-items:center}.service-icon svg{height:19px;width:19px;stroke:currentColor;fill:none;stroke-width:1.6}.service-entry h3{font-size:16px;margin:0}.service-entry p{font-size:12px;color:var(--muted);line-height:1.7;margin:0 0 14px}.service-entry .more{font-size:10px;font-weight:650;color:var(--blue)}.service-entry .arrow{position:absolute;right:20px;top:25px;color:#9ba9bf;font-size:16px}.service-entry small{display:block;color:#748198;font-size:10px;margin-top:8px}
.copy-section{margin-top:35px}.copy-section h2{margin:0 0 10px;font-size:22px}.copy-section>p{font-size:13px;color:var(--muted);line-height:1.7;margin:0 0 19px}.copy-map{border:1px solid var(--line);border-radius:9px;padding:24px 20px;background:linear-gradient(130deg,#fafcff,#f4f7fc)}.map-track{display:grid;grid-template-columns:1fr 40px 1fr 40px 1fr;align-items:center}.map-node{border:0;background:transparent;padding:0;display:flex;align-items:center;flex-direction:column;gap:8px;text-align:center;font-size:11px;line-height:1.5}.map-node strong{color:var(--navy);font-size:12px}.map-node span:last-child{font-size:10px;color:var(--muted)}.map-device{height:42px;width:48px;border:1px solid #cad9f3;box-shadow:0 3px 0 #e1e9f7;background:white;border-radius:6px;padding:7px;display:grid;gap:5px}.map-device i{display:block;border:1px solid #b596c1;border-radius:2px;position:relative}.map-device i:after{content:"";position:absolute;width:3px;height:3px;border-radius:50%;background:var(--blue);right:4px;top:3px}.map-connector{border-top:1px dashed #bc9bc9;align-self:start;position:relative;margin-top:21px}.map-connector:after{content:"";position:absolute;width:5px;height:5px;border-top:1px solid #bc9bc9;border-right:1px solid #bc9bc9;right:0;top:-3px;transform:rotate(45deg)}.map-caption{border-top:1px solid #dde5f1;margin-top:23px;padding-top:14px;display:flex;justify-content:space-between;gap:10px;font-size:10px;color:var(--muted)}.map-caption strong{color:var(--navy)}.inline-note{padding:13px 15px;border-left:2px solid #b27dc0;background:#f7f2fa;font-size:12px;color:#52647d;line-height:1.7;margin:16px 0}.term{border:0;background:transparent;color:var(--blue);padding:0;display:inline;font:inherit;text-align:inherit;line-height:inherit;text-decoration:underline;text-decoration-style:dotted;text-underline-offset:4px;text-decoration-thickness:1px;cursor:pointer}.term:hover{color:#5e256e;text-decoration-style:solid}.guide-rows{margin-top:33px}.guide-rows h2{font-size:22px;margin:0 0 15px}.guide-row{display:flex;align-items:center;gap:16px;border-top:1px solid var(--line);padding:17px 0;color:var(--ink)}.guide-row:hover{text-decoration:none;color:var(--blue)}.guide-row .row-number{font-size:11px;color:#93a2bb;min-width:20px}.guide-row strong{display:block;font-size:13px;font-weight:600}.guide-row p{margin:5px 0 0;font-size:11px;line-height:1.5;color:var(--muted)}.guide-row>span:last-child{margin-left:auto;font-size:17px;color:#a1aec3}.page-footer{border-top:1px solid var(--line);margin-top:42px;padding-top:19px;color:#8390a4;font-size:10px;line-height:1.8;display:flex;justify-content:space-between;gap:20px}.page-footer a{color:var(--muted)}
.article-header{border-bottom:1px solid var(--line);padding-bottom:23px;margin-bottom:28px}.article-header h1{font-size:36px}.article-description{font-size:15px;line-height:1.8;color:var(--muted);max-width:680px}.article-meta{display:flex;gap:15px;font-size:10px;color:#7c8ba3;margin-top:18px}.article-body{font-size:14px;line-height:1.9}.article-body p{margin:12px 0}.article-body h2{margin-top:32px;font-size:23px}.article-body ul{padding-left:23px}.article-body li{padding-left:3px;margin:7px 0}.article-body strong{font-weight:650}.article-body .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:7px;margin:22px 0;max-width:100%}.article-body table{border-collapse:collapse;width:100%;font-size:12px;line-height:1.65;text-align:left}.article-body th{background:var(--navy);color:#fff;font-weight:600}.article-body th,.article-body td{padding:13px 15px;vertical-align:top;border-bottom:1px solid var(--line)}.article-body td+td,.article-body th+th{border-left:1px solid var(--line)}.article-body tr:nth-child(even){background:#f5f7fb}.article-body tr:last-child td{border-bottom:0}.article-body td .term{color:#703183}.article-body .reference{font-size:11px;color:var(--muted)}.article-body .reference a{word-break:break-word}.article-body .callout{border-radius:7px;background:#f7f1fa;padding:18px 22px;border:1px solid #e9daf1;margin:23px 0;color:#425777}.article-links{display:flex;gap:10px;flex-wrap:wrap;margin:25px 0}.article-links a{padding:10px 14px;border:1px solid #d5dfef;border-radius:6px;font-size:12px;color:var(--blue);background:#fff}.facts{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:8px;margin:25px 0}.fact{padding:20px;border-right:1px solid var(--line)}.fact:last-child{border-right:0}.fact strong{font-size:20px;color:var(--navy);display:block;line-height:1.4}.fact span{font-size:11px;color:var(--muted);display:block;line-height:1.5;margin-top:5px}.glossary-filter{width:100%;border:1px solid #d6dfed;border-radius:7px;padding:13px 15px;background:#fbf9fd;font-size:14px}.glossary-list{display:grid;grid-template-columns:1fr 1fr;margin-top:26px;gap:12px}.glossary-item{border:1px solid var(--line);background:white;border-radius:7px;padding:19px;text-align:left}.glossary-item:hover{border-color:#b88dc4;background:#fcfafd}.glossary-item strong{color:var(--navy);display:block;margin-bottom:9px;font-size:15px}.glossary-item span{font-size:12px;color:var(--muted);line-height:1.7;display:block}.glossary-count{font-size:11px;color:var(--muted);margin-top:14px}
dialog{border:1px solid var(--line);color:var(--ink);padding:0;box-shadow:0 25px 100px #17104730}dialog::backdrop{background:#17104766;backdrop-filter:blur(3px)}#search-dialog{width:min(650px,calc(100vw - 32px));max-height:80dvh;border-radius:12px;top:10dvh;margin-top:0}.dialog-heading{padding:15px 20px 10px;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}.search-input-wrap{display:flex;align-items:center;gap:17px;padding:10px 25px 20px;border-bottom:1px solid var(--line)}#search-input{font-size:18px;width:100%;border:0;background:transparent;color:var(--ink);outline-offset:5px;min-width:0}.search-result{display:block;width:100%;border:0;background:#fff;text-align:left;padding:14px 24px;border-bottom:1px solid #f0f3f9}.search-result:hover,.search-result:focus-visible{background:#f7f1fa}.search-result small{display:block;color:#8491a7;font-size:9px;letter-spacing:1.2px;margin-bottom:5px}.search-result strong{display:block;font-size:14px;font-weight:600;color:var(--navy)}.search-result span{font-size:12px;color:var(--muted);display:block;line-height:1.6;margin-top:5px}#search-results{overflow:auto;max-height:49dvh}.search-empty{padding:25px;color:var(--muted);font-size:13px;line-height:1.8}.search-foot{font-size:10px;color:#8190a8;padding:10px 24px}#concept-dialog{margin:0 0 0 auto;height:100dvh;max-height:none;width:440px;max-width:calc(100vw - 16px);border-radius:0;border:0;border-left:1px solid var(--line);padding:25px 32px;overflow:auto}.concept-top{display:flex;align-items:center;justify-content:space-between;color:#8491a8;letter-spacing:1.5px;font-size:9px}.concept-top button{letter-spacing:0}.concept-symbol{width:54px;height:54px;border-radius:12px;background:#f3edf8;color:var(--blue);display:grid;place-items:center;font-size:24px;font-family:Georgia,serif;margin:45px 0 25px}#concept-title{font-size:32px;margin:0 0 19px}.concept-definition{font-size:17px;line-height:1.8;color:var(--ink)}.concept-detail{margin-top:27px;border-top:1px solid var(--line);padding-top:22px}.concept-detail h3{font-size:10px;letter-spacing:1.2px;color:#7f8ca2;margin-top:0}.concept-detail p{font-size:14px;line-height:1.85;color:var(--muted)}.related-terms{display:flex;gap:8px;flex-wrap:wrap}.related-terms button{font-size:12px;padding:6px 11px;background:#f1f5fd;border:1px solid #dfe8f6;border-radius:5px;color:var(--blue)}.concept-read{display:flex;align-items:center;justify-content:space-between;color:var(--blue);border-top:1px solid var(--line);padding:20px 0;margin-top:34px;font-size:13px}.nav-scrim{position:fixed;inset:var(--header) 0 0;z-index:23;background:#17104766}.mobile-menu{flex-shrink:0}
@media(min-width:1600px){main{padding-left:64px;padding-right:64px}.layout{grid-template-columns:250px minmax(0,1fr) 230px}.hero h1{font-size:52px}}
@media(max-width:1200px){.layout{grid-template-columns:220px minmax(0,1fr)}.context-rail{display:none}main{padding:34px 40px}.sidebar{padding-left:18px;padding-right:15px}.site-header{padding:0 25px;gap:20px}.brand-label{display:none}.brand-divider{display:none}.search-trigger{max-width:380px;flex:1}.hero h1{font-size:45px}}
@media(max-width:760px){:root{--header:66px}.site-header{padding:0 15px;gap:12px}.mobile-menu{display:grid!important}.logo-crop{width:117px;height:28px}.logo-crop img{width:130px;left:-6px;top:-9px}.brand{gap:0}.header-brand{gap:6px}.search-trigger{margin-left:auto;flex:none;width:38px;height:38px;padding:11px;background:white}.search-trigger span:not(.search-symbol),.search-trigger kbd{display:none}.document-link{font-size:11px}.document-link span:first-child{display:none}.document-link span:last-child{font-size:21px}.layout{display:block}.sidebar{display:none;position:fixed;left:0;top:var(--header);bottom:0;width:270px;z-index:25;background:white;padding:25px 20px;height:calc(100dvh - var(--header))}.sidebar.open{display:block}main{padding:24px 22px 35px}.breadcrumbs{margin-bottom:23px}.hero h1{font-size:38px}.hero .lead{font-size:14px}.hero-meta{gap:12px;font-size:9px}.hero{padding-bottom:25px}.service-entry{padding:18px}.service-entry .arrow{right:14px;top:20px}.service-top{gap:8px}.service-entry h3{font-size:15px}.service-entry p{font-size:11px}.service-icon{width:27px;height:27px}.section-head h2,.copy-section h2,.guide-rows h2{font-size:21px}.section-head>a{font-size:10px}.map-track{grid-template-columns:1fr 22px 1fr 22px 1fr}.copy-map{padding:22px 12px}.map-node strong{font-size:10px}.map-node span:last-child{font-size:9px}.map-caption{font-size:9px}.article-header h1{font-size:30px}.article-body{font-size:14px;line-height:1.85}.article-body table{min-width:550px}.article-body h2{font-size:22px}.article-body td,.article-body th{padding:11px 12px}.facts{grid-template-columns:1fr}.fact{border-right:0;border-bottom:1px solid var(--line);padding:15px 20px}.fact:last-child{border-bottom:0}.fact strong{font-size:18px}.glossary-list{grid-template-columns:1fr}.page-footer{display:block;font-size:9px}.page-footer>div+div{margin-top:10px}#concept-dialog{padding:21px 24px}#search-input{font-size:16px}}
@media(max-width:380px){.services-grid{grid-template-columns:1fr}.service-entry:nth-child(odd){border-right:0}.service-entry:nth-child(3){border-bottom:1px solid var(--line)}.hero h1{font-size:34px}main{padding-left:18px;padding-right:18px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.site-header,.sidebar,.context-rail,dialog,.breadcrumbs,.article-links,.page-footer,.search-trigger{display:none!important}.layout{display:block}main{padding:0;max-width:none}.article-body .table-wrap{overflow:visible}h2{break-after:avoid}tr{break-inside:avoid}.term{text-decoration:none;color:inherit}.article-header{border:0}body{font-size:11pt}}

.hero h1 em{color:#b9321b}.article-body tbody tr:nth-child(even){background:#f6f3f8}