:root{--ink:#173334;--green:#387a65;--mint:#a6ecce;--amber:#d69a42;--paper:#f6f7f3;--line:#dce3dc;--muted:#586d68;--nav:292px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 "Segoe UI",Arial,sans-serif}a{color:var(--green);text-underline-offset:4px}button,input,select{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--amber);outline-offset:3px}button{color:var(--ink)}.masthead{height:90px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:34px;padding:0 32px;position:sticky;top:0;z-index:20}.brand{display:flex;flex-shrink:0}.brand img{object-fit:contain;width:195px;height:auto}.mast-title{font-size:11px;letter-spacing:.12em;font-weight:750;border-left:1px solid var(--line);padding-left:30px}.mast-title small{display:block;letter-spacing:.02em;color:var(--muted);font-size:12px;font-weight:400}.header-actions{display:flex;align-items:center;gap:25px;margin-left:auto;font-size:13px;font-weight:650}.header-actions a{text-decoration:none}#download-manual{background:var(--ink);color:white;padding:11px 18px;border-radius:5px}#menu-toggle{display:none}.manual-layout{display:grid;grid-template-columns:var(--nav) minmax(0,1fr);max-width:1900px;margin:auto}#sidebar{position:sticky;top:90px;height:calc(100vh - 90px);overflow:auto;padding:28px 22px 40px;border-right:1px solid var(--line);background:#eef1eb}.search-label{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.search-wrap{position:relative;margin:8px 0 24px}.search-wrap input{width:100%;padding:10px 30px 10px 11px;border:1px solid #bacbc1;border-radius:5px;background:#fff;font-size:13px}.search-wrap button{position:absolute;right:4px;top:7px;border:0;background:transparent;font-size:20px;line-height:1.4}#topic-nav a{display:block;text-decoration:none;color:var(--ink);padding:8px 10px;font-size:12px;line-height:1.45;border-left:3px solid transparent;border-radius:0 4px 4px 0}#topic-nav a:hover{background:#e0e8df}#topic-nav a.active{background:#d7e8dd;border-color:var(--green);font-weight:750}#topic-nav .nav-group{margin:22px 10px 8px;font-size:10px;letter-spacing:.13em;font-weight:750;color:var(--muted)}#topic-nav .nav-number{display:inline-block;width:24px;color:#668479;font-size:10px}.sidebar-note{border-top:1px solid var(--line);padding:18px 10px;font-size:11px;color:var(--muted);margin-top:24px}main{min-width:0;padding:52px clamp(28px,4vw,72px) 90px;max-width:1400px;width:100%;margin:auto}h1,h2,h3,h4{line-height:1.15;letter-spacing:-.025em}h1{font-size:clamp(34px,4vw,58px);font-weight:640;margin:14px 0 20px;max-width:980px}h2{font-size:29px;font-weight:650;margin:48px 0 20px}h3{font-size:21px;font-weight:650;margin:0 0 12px}p{margin:0 0 18px}.lead{font-size:19px;line-height:1.7;color:var(--muted);max-width:850px}.eyebrow{font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--green)}.badge{display:inline-block;font-size:10px;font-weight:750;letter-spacing:.04em;padding:5px 9px;background:#e1eee2;border:1px solid #c2d6c6;border-radius:3px}.badge.archived{background:#fff1da;border-color:#dfc9a5;color:#775721}.topic-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:12px 0 25px}.topic-meta small{color:var(--muted)}.hero{border-bottom:1px solid var(--line);padding-bottom:36px}.hero h1 em{font-style:normal;color:var(--green)}.hero-actions,.page-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.button,.page-actions button,.page-actions a{display:inline-flex;justify-content:center;align-items:center;gap:10px;border:1px solid #b4c6ba;background:white;border-radius:5px;padding:11px 17px;text-decoration:none;color:var(--ink);font-size:13px;font-weight:650}.button.primary{background:var(--ink);color:white;border-color:var(--ink)}.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:7px;margin:30px 0;background:white}.stats div{padding:20px 22px;border-right:1px solid var(--line)}.stats div:last-child{border:0}.stats strong{font-size:34px;font-weight:650;line-height:1.2;display:block}.stats span{font-size:12px;color:var(--muted)}.notice{border-left:4px solid var(--amber);padding:20px 24px;background:#f1eee3;border-radius:0 5px 5px 0;margin:28px 0;font-size:14px}.notice p:last-child{margin-bottom:0}.notice strong{display:block;margin-bottom:6px}.notice.green{background:#e6efe5;border-color:var(--green)}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.topic-card{display:block;background:white;border:1px solid var(--line);border-radius:7px;padding:25px;text-decoration:none;color:var(--ink);position:relative;transition:border-color .15s}.topic-card:hover{border-color:var(--green)}.topic-card .number{font-size:11px;letter-spacing:.12em;color:var(--green);font-weight:700}.topic-card h3{font-size:21px;margin:12px 0}.topic-card p{font-size:14px;color:var(--muted);margin-bottom:18px}.topic-card small{font-size:11px;font-weight:700}.topic-card:nth-child(4n+2){border-top:3px solid #6a8799}.topic-card:nth-child(4n+3){border-top:3px solid var(--amber)}.topic-card:nth-child(4n+4){border-top:3px solid #8d83a0}.topic-card:nth-child(4n+1){border-top:3px solid var(--green)}.route{display:flex;flex-wrap:wrap;gap:10px;counter-reset:route;margin:24px 0}.route a{font-size:12px;background:#fff;border:1px solid var(--line);border-radius:4px;text-decoration:none;padding:10px 12px}.route a:before{counter-increment:route;content:counter(route) ". ";font-weight:bold}.steps{padding:0;list-style:none;counter-reset:steps;max-width:950px;margin:25px 0}.steps li{counter-increment:steps;position:relative;padding:0 0 25px 49px;line-height:1.8}.steps li:before{content:counter(steps);position:absolute;left:0;top:4px;width:29px;height:29px;display:grid;place-items:center;border-radius:50%;background:#deeadf;color:var(--green);font-size:12px;font-weight:750}.control-table{width:100%;border-collapse:collapse;font-size:14px;background:#fff}.control-table th,.control-table td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:16px 20px}.control-table th{width:27%;font-weight:650}.control-table thead{background:#e6ece4;font-size:11px;text-transform:uppercase;letter-spacing:.05em}.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:6px}.screen-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin:24px 0}.screen-card{min-width:0;border:1px solid var(--line);background:#fff;border-radius:7px;overflow:hidden}.screen-card .screen-open{padding:0;background:#0e2028;border:0;width:100%;display:block;cursor:zoom-in}.screen-card img{width:100%;height:auto;aspect-ratio:16/10;object-fit:contain;display:block}.screen-body{padding:20px}.screen-body h3{font-size:19px;margin:14px 0 10px}.screen-body h3 a{color:var(--ink);text-decoration:none}.screen-body p{font-size:13px;color:var(--muted);line-height:1.65}.screen-access{font-size:12px;line-height:1.6}.screen-body .caption{border-top:1px solid var(--line);padding-top:12px;font-size:11px;margin-top:15px}.screen-body details{font-size:11px;margin-top:12px}.screen-body details p{font-size:11px}.screen-body summary{cursor:pointer;color:var(--green)}.screen-list-number{float:right;font-size:10px;color:var(--muted)}.screen-single{border:1px solid var(--line);border-radius:6px;padding:0;background:#10232c;display:block;width:100%;cursor:zoom-in}.screen-single img{display:block;width:100%;height:auto}.source{font-size:11px;color:var(--muted);overflow-wrap:anywhere;background:#e9ede5;border-radius:4px;padding:14px;margin-top:18px}.problem-list li{margin:0 0 13px}.related{display:flex;gap:10px;flex-wrap:wrap}.related a{padding:10px 14px;font-size:12px;background:#fff;border:1px solid var(--line);border-radius:5px;text-decoration:none}.topic-footer{display:flex;justify-content:space-between;gap:25px;border-top:1px solid var(--line);padding-top:25px;margin-top:50px;font-size:13px}.print-label{display:none}.results{display:grid;gap:12px;margin:25px 0}.result{display:block;padding:21px;background:white;border:1px solid var(--line);border-radius:5px;text-decoration:none}.result strong{display:block;font-size:18px;line-height:1.4;margin:7px 0;color:var(--ink)}.result p{font-size:13px;color:var(--muted);margin:0}.result small{font-size:10px;letter-spacing:.08em;text-transform:uppercase}.filter-row{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:25px 0;font-size:13px}.filter-row input,.filter-row select{padding:10px 12px;border:1px solid #bbcdc0;border-radius:4px;background:white;max-width:100%}.case-card{border-top:1px solid var(--line);padding:25px 0;break-inside:avoid}.case-card p{font-size:14px}.case-card h3{margin:10px 0 20px}.case-card strong{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:5px}.coverage-table{min-width:550px}.coverage-table th{width:auto}.coverage-table td{font-size:12px}.coverage-table code{font-size:11px;overflow-wrap:anywhere}.footer-note{margin-top:40px;color:var(--muted);font-size:11px}.skip{position:fixed;left:10px;top:-80px;background:white;padding:12px;z-index:100}.skip:focus{top:10px}dialog{width:min(96vw,1800px);max-height:94vh;border:1px solid #94a89a;border-radius:8px;padding:0;background:var(--paper);color:var(--ink)}dialog::backdrop{background:#082426db}dialog header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 25px;background:white;border-bottom:1px solid var(--line)}dialog h2{font-size:22px;margin:4px 0}dialog header>div:last-child{display:flex;align-items:center;gap:18px;flex-shrink:0}dialog button{border:1px solid #c0cdbf;padding:9px 14px;background:#fff;border-radius:4px;font-size:13px}dialog a{font-size:13px}dialog>p{padding:15px 25px;margin:0;font-size:13px}.image-stage{overflow:auto;max-height:calc(94vh - 160px);background:#09212a}.image-stage img{width:100%;height:auto;display:block}.all-print .chapter{break-before:page}.all-print .guide-print{break-before:page}.home-cover{padding:30px 0}.home-cover h1{max-width:900px}.coverage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.coverage-grid .notice{margin:0}.empty{padding:40px;background:#fff;border:1px solid var(--line);border-radius:6px}.breadcrumbs{font-size:12px;margin-bottom:20px}.breadcrumbs a{text-decoration:none}.mobile-return{display:none}#content:focus{outline:none}
@media(min-width:1600px){.topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:1100px){:root{--nav:250px}.masthead{gap:20px;padding:0 22px}.mast-title{display:none}.screen-grid{grid-template-columns:1fr}.stats div{padding:17px 15px}.stats strong{font-size:27px}main{padding:36px 28px 75px}.coverage-grid{grid-template-columns:1fr}.header-actions{gap:18px}}
@media(max-width:760px){.masthead{height:74px;padding:0 16px;gap:12px}.brand img{width:150px}.header-actions{gap:12px;font-size:11px}.header-actions>a:first-child{display:none}#download-manual{padding:8px 9px;font-size:10px}#menu-toggle{display:block;border:1px solid #c0cdbf;border-radius:4px;background:#fff;font-size:11px;padding:7px 10px}.manual-layout{display:block}#sidebar{position:fixed;top:74px;left:0;bottom:0;height:calc(100vh - 74px);width:min(90vw,340px);z-index:18;box-shadow:12px 10px 30px #17333428;display:none}body.menu-open #sidebar{display:block}main{padding:30px 20px 60px}h1{font-size:35px}.lead{font-size:17px}h2{font-size:26px;margin-top:35px}.stats{grid-template-columns:repeat(2,1fr)}.stats div{border-bottom:1px solid var(--line)}.stats div:nth-child(2){border-right:0}.stats div:nth-child(3),.stats div:nth-child(4){border-bottom:0}.topic-grid{grid-template-columns:1fr}.notice{padding:18px 17px}.control-table th,.control-table td{padding:13px 12px;font-size:12px}.steps li{padding-left:42px;font-size:15px}.page-actions{gap:8px}.page-actions a,.page-actions button{padding:9px 12px;font-size:12px}.screen-body{padding:17px}dialog header{padding:15px;align-items:start}dialog h2{font-size:18px}dialog header>div:last-child{gap:8px;flex-direction:column}dialog>p{padding:12px 15px;font-size:11px}.topic-footer{font-size:12px}.filter-row{align-items:start;flex-direction:column}.filter-row input,.filter-row select{width:100%}.source{font-size:10px}}
@media print{@page{size:A4;margin:15mm 14mm}body{background:white;color:#152e2c;font-size:10pt;line-height:1.5}.masthead,#sidebar,.page-actions,.topic-footer,.header-actions,.hero-actions,.skip,.filter-row,.footer-note{display:none!important}.manual-layout{display:block}main{padding:0;max-width:none}.print-label{display:block;font-size:8pt;border-bottom:1px solid #bbb;padding-bottom:6mm;margin-bottom:8mm}.hero{padding-bottom:6mm}h1{font-size:30pt}h2{font-size:19pt;margin:9mm 0 4mm;break-after:avoid}h3{font-size:14pt}.lead{font-size:12pt}.notice{font-size:10pt;padding:5mm;margin:6mm 0}.steps li{padding-bottom:5mm}.table-scroll{overflow:visible}.control-table{font-size:9pt}.control-table th,.control-table td{padding:3mm}.control-table tr{break-inside:avoid}.screen-grid{display:block}.screen-card{break-inside:avoid;margin:6mm 0 9mm;border:1px solid #bbb;max-width:100%}.screen-card img{max-height:145mm;object-fit:contain}.screen-body{padding:4mm}.screen-body h3{font-size:13pt}.screen-body p{font-size:9pt;margin-bottom:2mm}.screen-body details{display:none}.screen-body .caption{font-size:7pt;padding-top:2mm;margin-top:2mm}.badge{font-size:7pt}.screen-access{font-size:8pt}.related a{font-size:9pt;padding:2mm}.stats{margin:6mm 0}.stats strong{font-size:22pt}.stats span{font-size:9pt}.topic-card{break-inside:avoid}.topic-grid{display:block}.topic-card{margin:4mm 0}.source{font-size:7pt;break-inside:avoid}.coverage-table{min-width:0}.coverage-table td{font-size:8pt}.screen-single{background:white}.all-print .chapter{break-before:page}.all-print .guide-print{break-before:page}a{color:inherit;text-decoration:none}details{break-inside:avoid}.case-card{font-size:10pt}dialog{display:none!important}}
.footer-note{overflow-wrap:anywhere}@media(max-width:380px){.masthead .header-actions{gap:8px}.masthead{gap:8px}.masthead #download-manual{font-size:9px;padding:8px}.screen-body .screen-list-number{float:none;display:block;margin-top:8px}}

/* Keep the website and handbook navigation together throughout every chapter. */
:root{--header-height:153px}
html{scroll-padding-top:calc(var(--header-height) + 16px)}
.header-stack{position:sticky;top:0;z-index:30;background:var(--paper)}
.site-header{position:relative;background:var(--paper);border-bottom:1px solid var(--line)}
.site-nav-wrap{height:88px;width:min(1360px,calc(100% - 80px));margin:auto;display:flex;align-items:center;justify-content:space-between;gap:30px}
.site-brand{display:flex;flex-shrink:0}
.site-brand img{display:block;width:210px;height:auto}
#site-navigation{display:flex;align-items:center;gap:27px}
#site-navigation a{position:relative;color:var(--ink);font-size:13px;font-weight:600;text-decoration:none;padding:15px 0;white-space:nowrap}
#site-navigation a:hover{color:var(--green)}
#site-navigation a[aria-current]:after{content:"";position:absolute;bottom:5px;left:0;right:0;height:2px;background:var(--green)}
.site-nav-divider{height:22px;width:1px;background:var(--line);margin-left:5px}
#site-navigation .site-nav-cta{display:inline-flex;align-items:center;justify-content:center;gap:18px;background:var(--ink);color:white;border-radius:6px;min-height:42px;padding:10px 16px;font-size:12px}
#site-navigation .site-nav-cta:hover{background:#28574f}
.site-nav-cta svg{width:17px;height:17px}
#site-menu-toggle{display:none;border:1px solid #c0cdbf;border-radius:5px;padding:8px 12px;align-items:center;gap:8px;background:transparent;font-size:12px}
#site-menu-toggle svg{width:21px;height:21px}
.masthead{position:static;height:64px;padding:0 32px;gap:20px;background:white}
.handbook-home{font-size:11px;letter-spacing:.1em;font-weight:750;line-height:1.5;text-decoration:none;color:var(--ink);flex-shrink:0}
.handbook-home small{display:block;font-size:11px;letter-spacing:.02em;font-weight:400;color:var(--muted)}
#sidebar{top:var(--header-height);height:calc(100dvh - var(--header-height))}
@media(max-width:1150px){
  .site-nav-wrap{width:calc(100% - 44px);gap:20px}
  .site-brand img{width:180px}
  #site-navigation{gap:19px}
}
@media(max-width:1000px){
  :root{--header-height:141px}
  .site-nav-wrap{height:76px}
  #site-menu-toggle{display:inline-flex}
  #site-navigation{display:none;position:absolute;top:100%;left:0;right:0;z-index:2;background:var(--paper);border-bottom:1px solid var(--line);padding:14px 24px 24px;box-shadow:0 12px 20px #17333418;max-height:calc(100dvh - 77px);overflow:auto;align-items:stretch;gap:0}
  body.site-menu-open #site-navigation{display:flex;flex-direction:column}
  #site-navigation a{padding:12px 0}
  .site-nav-divider{height:1px;width:100%;margin:10px 0}
  #site-navigation .site-nav-cta{margin-top:8px}
}
@media(max-width:760px){
  :root{--header-height:137px}
  .site-nav-wrap{width:calc(100% - 32px)}
  .site-brand img{width:180px}
  .masthead{height:60px;padding:0 16px;gap:10px}
  .handbook-home{font-size:9px;letter-spacing:.06em}
  .handbook-home small{font-size:10px}
  #sidebar{top:var(--header-height);height:calc(100dvh - var(--header-height))}
}
@media(max-width:380px){
  .masthead{padding:0 12px;gap:8px}
  .handbook-home{font-size:8px;letter-spacing:.025em}
  .handbook-home small{font-size:9px}
}
@media print{.header-stack{display:none!important}}