@font-face{font-family:'Nunito Sans';src:url('/assets/fonts/nunito-sans-latin.woff2') format('woff2');font-weight:200 900;font-display:swap}
:root{--brand:#963049;--dark:#29272a;--muted:#615d64;--line:#ddd9df;--pale:#fbf3f5;--sans:'Nunito Sans',Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:24px}body{margin:0;background:#fff;color:var(--dark);font:17px/1.65 var(--sans)}a{color:var(--brand);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--brand);outline-offset:4px}img{max-width:100%;height:auto;display:block}p{margin:0 0 18px}h1,h2,h3{line-height:1.22;margin:0 0 20px;font-weight:800;letter-spacing:-.02em}h1{font-size:clamp(29px,3.7vw,45px)}h2{font-size:28px}h3{font-size:22px}main{max-width:1160px;margin:auto;padding:0 28px 60px}section{scroll-margin-top:24px}.skip{position:absolute;left:20px;top:-100px;background:white;padding:12px;z-index:10}.skip:focus{top:8px}.site-header{border-bottom:1px solid var(--line);border-top:5px solid var(--brand)}.header-inner{max-width:1216px;margin:auto;padding:20px 28px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{color:var(--brand);font-size:21px;line-height:1.15;text-decoration:none;font-weight:900;display:flex;gap:12px;align-items:center}.brand-mark{background:var(--brand);color:white;width:43px;height:43px;display:grid;place-items:center;border-radius:50%;font-size:18px}.site-header nav{display:flex;align-items:center;gap:30px}.nav-toggle{display:none}.nav-group{position:relative}.nav-group summary{list-style:none;cursor:pointer;font-size:15px;font-weight:700;color:var(--dark);display:flex;align-items:center;gap:8px}.nav-group summary::-webkit-details-marker{display:none}.nav-group summary::after,.nav-toggle::after{content:"";width:6px;height:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-2px) rotate(45deg)}.nav-group[open] summary::after,.nav-toggle[aria-expanded=true]::after{transform:translateY(2px) rotate(-135deg)}.nav-group summary:hover,.site-header nav a:hover{color:var(--brand)}.nav-panel{position:absolute;top:calc(100% + 16px);left:-22px;z-index:20;display:flex;gap:40px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--brand);border-radius:0 0 5px 5px;box-shadow:0 14px 30px rgba(41,39,42,.12);padding:16px 22px 12px}.nav-panel-codes{min-width:280px}.nav-panel ul{list-style:none;margin:0;padding:0}.site-header .nav-head{display:block;color:var(--brand);font-size:13px;padding-bottom:7px;margin-bottom:3px;border-bottom:1px solid var(--line)}.nav-panel li a{display:block;padding:7px 0;white-space:nowrap}.site-header .nav-panel li a span{display:block;font-size:13px;font-weight:600;color:var(--muted)}.site-header nav a{font-size:15px;font-weight:700;color:var(--dark);text-decoration:none}.preview{font-size:12px;color:var(--muted);border-bottom:1px dashed var(--line);padding:10px 0;margin:0}.home-intro{max-width:800px;margin:46px auto 48px;text-align:center}.home-intro h1{max-width:700px;margin:0 auto 18px}.home-intro>p{max-width:630px;margin:0 auto 25px;color:var(--muted);font-size:19px}.entry-doors{display:flex;gap:14px;max-width:650px;margin:auto}.entry-doors a{flex:1;border:2px solid var(--brand);padding:16px 20px;border-radius:5px;display:flex;justify-content:space-between;font-size:18px;font-weight:800;text-decoration:none}.entry-doors .primary-door{background:var(--brand);color:white}.library-heading{margin:0 0 24px}.library-heading h2{margin-bottom:9px}.library-heading p{color:var(--muted);font-size:16px;max-width:720px}.vehicle-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.topic-card{border:1px solid var(--line);background:white}.picture-link{display:block}.topic-picture{position:relative;background:#fff;overflow:hidden}.topic-picture img{width:100%;aspect-ratio:3/2;object-fit:contain}.illustration-note{position:absolute;right:10px;bottom:4px;font-size:10px;color:#666;background:#fff;padding:0 3px}.topic-copy{padding:18px 20px 22px}.make{font-size:14px;color:var(--muted);margin:0}.topic-copy h3{font-size:27px;margin:3px 0 0}.topic-copy h3 a{color:var(--dark);text-decoration:none}.count{color:var(--muted);font-size:13px;margin:4px 0 15px}.topic-links{border-top:1px solid var(--line)}.topic-links a{display:block;font-size:14px;line-height:1.5;padding-top:12px;font-weight:700}.fault-browser{margin-top:50px}.fault-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.fault-card{display:grid;grid-template-columns:44% 1fr;border:1px solid var(--line);align-items:center;text-decoration:none;color:var(--dark)}.fault-card>div:last-child{padding:20px}.fault-card h3{font-size:29px;margin-bottom:6px}.fault-card p{font-size:15px;margin-bottom:10px}.fault-card span:not(.illustration-note){font-size:14px;color:var(--brand);font-weight:700}.approach-note{padding:30px 35px;background:var(--pale);margin-top:45px;border-left:4px solid var(--brand)}.approach-note h2{font-size:24px}.approach-note p{max-width:800px}.site-footer{background:#f7f7f8;border-top:1px solid var(--line);padding:35px max(28px,calc((100vw - 1104px)/2));font-size:14px}.footer-top{display:flex;justify-content:space-between;gap:30px}.footer-brand{font-size:19px;font-weight:800;text-decoration:none}.footer-top nav{display:flex;gap:25px}.footer-bottom{border-top:1px solid var(--line);padding-top:20px;margin-top:20px;color:var(--muted);font-size:12px}.footer-bottom p{margin:0}
.guide-heading{padding:25px 0 26px;max-width:1000px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;margin-bottom:25px;color:var(--muted)}.breadcrumbs a{text-decoration:none}.guide-heading h1{max-width:900px}.meta{font-size:13px;color:var(--muted);margin:0}.guide-layout{display:grid;grid-template-columns:minmax(0,780px) minmax(180px,1fr);gap:40px}.reading-column{min-width:0}.answer-label{display:flex;align-items:center;justify-content:space-between;background:var(--brand);color:white;padding:12px 20px}.answer-label h2{font-size:19px;margin:0}.code-badge{background:white;color:var(--brand);font-size:13px;padding:2px 10px;border-radius:3px;text-decoration:none;font-weight:800}.answer{background:var(--pale);padding:22px;border:1px solid #ead2d9;border-top:0}.answer p{font-size:17px}.answer .definition{font-weight:800}.answer .answer-sources{font-size:12px;margin:15px 0 0}.vehicle-selector{margin:27px 0 16px}.vehicle-selector h2{font-size:23px;margin-bottom:8px}.vehicle-selector>p{font-size:14px;color:var(--muted);margin-bottom:12px}.vehicle-selector>div{display:flex;flex-wrap:wrap;gap:9px}.vehicle-selector a{border:1px solid var(--brand);padding:9px 12px;text-decoration:none;font-size:14px;border-radius:4px;font-weight:700}.applications{margin:16px 0 26px}.table-scroll{overflow-x:auto;max-width:100%;font-size:13px}table{border-collapse:collapse;width:100%;text-align:left}caption{text-align:left;font-weight:800;padding:10px 12px;background:#f5f5f6}th,td{padding:12px;border:1px solid var(--line);vertical-align:top}th{font-weight:800;font-size:12px;background:#fafafa}td a{overflow-wrap:anywhere}.application-cards{display:none}.application-card{border:1px solid var(--line);padding:15px;margin:12px 0;display:grid;grid-template-columns:1fr 1fr;gap:14px}.application-card dt{font-size:12px;font-weight:800}.application-card dd{margin:4px 0 0;font-size:14px}.branch-map{padding:20px;background:#faf8f9;border:1px solid var(--line);margin:25px 0}.branch-map h2{font-size:19px}.branch-map>div{display:grid;grid-template-columns:1fr 1fr;gap:12px}.branch-map a{border-left:3px solid var(--brand);padding:10px 12px;background:white;text-decoration:none;font-size:15px;font-weight:700}.mobile-guide-index{display:none}.guide-part{margin:32px 0;border:1px solid var(--line);background:#fff;scroll-margin-top:20px}.guide-part:target{outline:3px solid var(--brand);outline-offset:4px}.part-heading{padding:20px 24px;border-bottom:1px solid var(--line);background:#f6f6f7}.part-number{display:block;font-size:14px;color:var(--brand);font-weight:800;margin-bottom:5px}.part-heading h2{font-size:25px;margin:0}.part-body{padding:24px}.part-body>p:last-child{margin-bottom:0}.section-source{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin:22px 0 0}.plate{margin:0;border-bottom:1px solid var(--line)}.plate-frame{position:relative;background:#fff}.plate-frame img{width:100%;aspect-ratio:3/2;object-fit:contain}.part-label{position:absolute;font-size:clamp(10px,1.3vw,14px);font-weight:800;padding:3px 7px;background:white;border:1px solid var(--brand);border-radius:3px;max-width:50%;line-height:1.25}.plate figcaption{font-size:11px;color:var(--muted);padding:10px 18px;background:#fafafa}.print-hint{font-size:13px;color:var(--brand);font-weight:700}.print-card .part-heading{background:var(--pale)}.rail-inner{position:sticky;top:24px;border-top:3px solid var(--brand);padding-top:18px}.guide-rail h2{font-size:17px}.guide-rail ol{padding-left:21px}.guide-rail li{font-size:14px;padding:0 0 13px}.guide-rail a{text-decoration:none}.scope-note{border-top:1px solid var(--line);padding-top:20px;margin-top:20px;font-size:14px}.sources,.related{border-top:1px solid var(--line);padding-top:25px;margin-top:28px}.sources h2,.related h2{font-size:23px}.sources p,.sources li,.related li{font-size:14px}.related li{margin-bottom:10px}
.collection-page{max-width:none}.collection-header{padding:30px 0}.collection-header h1{font-size:42px}.lead{font-size:19px;max-width:800px;color:var(--muted)}.eyebrow{font-size:14px;color:var(--muted);margin-bottom:8px}.collection-count{font-size:14px;color:var(--muted)}.collection-index{display:flex;flex-wrap:wrap;gap:18px;padding:18px 0;border-block:1px solid var(--line)}.collection-index a{padding:10px 15px;border:1px solid var(--brand);border-radius:4px;text-decoration:none;font-size:15px;font-weight:700}.collection-index span{margin-left:12px}.collection-group{display:grid;grid-template-columns:210px 1fr;gap:35px;border-bottom:1px solid var(--line);padding:30px 0}.collection-group h2{font-size:25px}.collection-group h2 a{color:var(--dark);text-decoration:none}.collection-group h2 a:hover{color:var(--brand)}.collection-group header>p:last-child{font-size:14px;color:var(--muted)}.guide-list{list-style:none;padding:0;margin:0}.guide-list li{padding:22px 0;border-bottom:1px solid var(--line)}.guide-list li:first-child{padding-top:0}.guide-list li:last-child{border:0}.guide-list h3{font-size:20px;margin-bottom:9px}.guide-list h3 a{text-decoration:none}.guide-list p{font-size:15px;color:var(--muted);margin:0}.guide-number,.row-arrow{display:none}main>article:not(.guide-article):not(.collection-page){max-width:820px;margin:40px auto}button,.button{font:700 15px var(--sans);padding:12px 18px;background:var(--brand);color:white;border:0;border-radius:4px;cursor:pointer}main>article p,main>article li{overflow-wrap:break-word}
@media(max-width:950px){.guide-layout{grid-template-columns:minmax(0,1fr)}.guide-rail{display:none}.mobile-guide-index{display:block;border-block:1px solid var(--line);padding:15px 0;margin:25px 0}.mobile-guide-index summary{font-weight:800;cursor:pointer}.mobile-guide-index li{padding:5px}.vehicle-grid{gap:15px}.topic-copy{padding:14px}.fault-card{grid-template-columns:40% 1fr}.collection-group{grid-template-columns:180px 1fr;gap:20px}}
@media(max-width:650px){body{font-size:16px}main{padding:0 18px 40px}.header-inner{padding:14px 18px;flex-wrap:wrap;gap:0}.brand{font-size:19px}.js .nav-toggle{display:inline-flex;align-items:center;gap:9px;font:800 14px var(--sans);color:var(--brand);background:#fff;border:2px solid var(--brand);border-radius:4px;padding:8px 14px;cursor:pointer}.site-header nav{flex-basis:100%;flex-direction:column;align-items:stretch;gap:0;margin-top:14px;border-bottom:1px solid var(--line)}.js .site-header nav{display:none}.js .site-header nav.is-open{display:flex}.nav-group summary,.site-header nav>a{padding:13px 0;border-top:1px solid var(--line);font-size:16px}.nav-group summary{justify-content:space-between}.nav-panel{position:static;display:block;border:0;box-shadow:none;border-radius:0;padding:0 0 12px 14px}.nav-panel-codes{min-width:0}.nav-col+.nav-col{margin-top:12px}.nav-panel li a{white-space:normal}.site-header nav a{font-size:14px}.home-intro{margin:30px 0}.home-intro>p{font-size:17px}.entry-doors{display:grid;gap:10px}.entry-doors a{font-size:17px;padding:13px 16px}.vehicle-grid{grid-template-columns:1fr}.topic-card{display:block}.topic-copy{padding:15px 15px 18px}.topic-picture{height:auto;display:block}.topic-copy h3{font-size:24px}.topic-links a{font-size:13px}.fault-grid{grid-template-columns:1fr;gap:16px}.fault-card{grid-template-columns:40% 1fr}.fault-card>div:last-child{padding:16px}.fault-card h3{font-size:25px}.fault-browser{margin-top:30px}.approach-note{padding:22px;margin-top:30px}.library-heading h2{font-size:26px}.library-heading p{font-size:15px}.footer-top{display:block}.footer-top nav{flex-wrap:wrap;gap:18px;margin-top:15px}.site-footer{padding:28px 18px}.guide-heading{padding-bottom:22px}.breadcrumbs{font-size:11px;gap:6px;margin-bottom:20px}.meta{font-size:12px}.answer{padding:18px}.answer p{font-size:16px}.answer-label{padding:12px 18px}.vehicle-selector h2{font-size:22px}.vehicle-selector a{font-size:13px}.application-desktop{display:none}.application-cards{display:block}.application-cards h2{font-size:17px}.branch-map>div{grid-template-columns:1fr}.part-heading{padding:17px}.part-heading h2{font-size:23px}.part-body{padding:18px}.part-label{font-size:10px;max-width:53%}.plate figcaption{font-size:10px;padding:8px 12px}.collection-header h1{font-size:34px}.collection-group{grid-template-columns:1fr;gap:10px}.collection-index{gap:10px}.collection-index a{font-size:13px;padding:9px}.lead{font-size:17px}.guide-list h3{font-size:19px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
@media print{@page{size:A4;margin:16mm}body{font:11pt/1.4 Arial,sans-serif;color:#000}a{color:#000}.site-header,.site-footer,.preview,.skip,.guide-rail,.mobile-guide-index,.print-hint,.plate,.breadcrumbs{display:none!important}main{padding:0;max-width:none}.guide-layout{display:block}.guide-heading{padding:0 0 12pt}.guide-heading h1{font-size:18pt}.meta{font-size:9pt}.guide-part{break-inside:avoid;margin:12pt 0}.part-heading,.part-body{padding:12pt}.part-heading h2{font-size:15pt}.section-source{font-size:9pt}.guide-article:has(.print-card) .reading-column>*:not(.print-card){display:none!important}.guide-article:has(.print-card) .print-card{border:1pt solid #555;margin:0}.guide-article:has(.print-card) .print-card .part-number{display:none}.guide-article:has(.print-card) .print-card::after{content:'Check Engine Solutions · ' attr(data-guide-url);display:block;padding:12pt;font-size:9pt;overflow-wrap:anywhere}}

.sources li a{display:inline-block;min-height:28px;padding:3px 0}.sources li{margin-bottom:5px}

/* v6 stage 1: scoped to the two migrated guide examples. */
.guide-v6 .guide-heading { max-width: 970px; padding: 28px 0 30px; }
.guide-v6 .breadcrumbs { font-size: 14px; line-height: 1.55; gap: 6px 9px; margin-bottom: 24px; }
.guide-v6 .guide-heading h1 { font-size: clamp(28px, 3.2vw, 40px); line-height: 1.18; max-width: 900px; font-weight: 800; }
.guide-v6 .meta { font-size: 14px; }
.guide-v6 .guide-layout { grid-template-columns: minmax(0, 740px) minmax(190px, 1fr); gap: 56px; }
.guide-v6 .answer-label { color: var(--brand); background: var(--pale); border: 1px solid #ead2d9; border-top: 3px solid var(--brand); border-bottom: 0; padding: 17px 24px 0; }
.guide-v6 .answer-label h2 { font-size: 16px; }
.guide-v6 .code-badge { border: 1px solid #dab7c1; font-size: 14px; }
.guide-v6 .answer { padding: 18px 24px 22px; }
.guide-v6 .answer .definition { font-weight: 750; }
.guide-v6 .answer .answer-sources { font-size: 14px; line-height: 1.6; }
.guide-v6 .guide-scope { margin: 22px 0 0; padding: 0 0 20px; border-top: 0; border-bottom: 1px solid var(--line); }
.guide-v6 .guide-scope h2 { font-size: 14px; font-weight: 800; margin: 0 0 6px; }
.guide-v6 .guide-scope p { font-size: 15px; line-height: 1.6; color: var(--muted); margin: 0; }
.guide-v6 .guide-scope .engine-help { margin-top: 10px; }
.guide-v6 .engine-help a { display: inline-block; padding: 8px 0; font-weight: 750; font-size: 15px; text-decoration-thickness: 1px; }
.guide-v6 .branch-map { padding: 0; background: none; border: 0; margin: 22px 0; }
.guide-v6 .branch-map h2 { font-size: 20px; font-weight: 750; margin-bottom: 12px; }
.guide-v6 .branch-map > div { gap: 12px; }
.guide-v6 .branch-map a { display: flex; align-items: center; justify-content: space-between; gap: 12px; border: 1px solid #dab7c1; border-left: 3px solid var(--brand); border-radius: 3px; padding: 14px 16px; font-size: 16px; line-height: 1.5; }
.guide-v6 .branch-map a:hover { background: var(--pale); }
.guide-v6 .guide-evidence { margin: 0 0 30px; border-block: 1px solid var(--line); }
.guide-v6 .guide-evidence > summary { padding: 16px 0; color: var(--brand); font-size: 15px; font-weight: 750; cursor: pointer; }
.guide-v6 .guide-evidence[open] > summary { border-bottom: 1px solid var(--line); }
.guide-v6 .guide-evidence .vehicle-selector { margin: 20px 0; }
.guide-v6 .guide-evidence .vehicle-selector h2 { font-size: 20px; }
.guide-v6 .guide-evidence .vehicle-selector a { display: inline-block; line-height: 1.6; }
.guide-v6 .guide-evidence .applications { margin: 20px 0; }
.guide-v6 .table-scroll { font-size: 14px; }
.guide-v6 th, .guide-v6 .application-card dt { font-size: 13px; }
.guide-v6 .guide-part { border: 0; border-top: 2px solid var(--line); margin: 32px 0 42px; }
.guide-v6 .part-heading { background: none; border: 0; padding: 22px 0 0; }
.guide-v6 .part-number { font-size: 14px; margin-bottom: 9px; }
.guide-v6 .part-heading h2 { font-size: 27px; font-weight: 750; line-height: 1.25; }
.guide-v6 .part-body { padding: 20px 0 0; }
.guide-v6 .section-source { font-size: 14px; line-height: 1.7; padding-top: 14px; margin-top: 22px; }
.guide-v6 .print-card { border: 1px solid #ead2d9; background: var(--pale); padding: 0 24px 24px; }
.guide-v6 .print-card .part-heading { background: none; }
.guide-v6 .print-hint { font-size: 14px; }
.guide-v6 .rail-inner { border-top-width: 2px; }
.guide-v6 .guide-rail h2 { font-size: 16px; }
.guide-v6 .guide-rail li { line-height: 1.65; padding-bottom: 16px; }
.guide-v6 .guide-rail a { display: inline; }
.guide-v6 .guide-rail a:hover { text-decoration: underline; }
.guide-v6 .sources h2, .guide-v6 .related h2 { font-size: 24px; }
.guide-v6 .sources li, .guide-v6 .related li { margin-block: 12px; }
.guide-v6 :is(a, summary, [tabindex]):focus-visible { outline: 3px solid #742039; outline-offset: 4px; }
@media (max-width: 950px) {
  .guide-v6 .guide-layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .guide-v6 .reading-column { max-width: 740px; margin-inline: auto; width: 100%; }
  .guide-v6 .mobile-guide-index { margin: 0; padding: 14px 0; border-bottom: 0; font-size: 15px; }
  .guide-v6 .mobile-guide-index summary { font-weight: 750; }
  .guide-v6 .mobile-guide-index li { padding: 8px 0; }
}
@media (max-width: 650px) {
  .guide-v6 .guide-heading { padding: 22px 0 24px; }
  .guide-v6 .breadcrumbs { font-size: 14px; margin-bottom: 20px; }
  .guide-v6 .guide-heading h1 { margin-bottom: 16px; }
  .guide-v6 .meta { font-size: 13px; }
  .guide-v6 .answer-label { padding: 14px 17px 0; }
  .guide-v6 .answer { padding: 16px 17px 18px; }
  .guide-v6 .answer p { line-height: 1.65; }
  .guide-v6 .guide-scope { margin-top: 20px; padding-bottom: 18px; }
  .guide-v6 .guide-scope p { font-size: 14px; }
  .guide-v6 .branch-map { margin: 20px 0; }
  .guide-v6 .branch-map h2 { font-size: 19px; }
  .guide-v6 .branch-map a { padding: 12px 14px; font-size: 15px; }
  .guide-v6 .guide-evidence > summary { padding: 15px 0; }
  .guide-v6 .guide-part { margin: 26px 0 34px; }
  .guide-v6 .part-heading { padding-top: 20px; }
  .guide-v6 .part-heading h2 { font-size: 24px; }
  .guide-v6 .part-body { padding-top: 17px; }
  .guide-v6 .print-card { padding: 0 17px 20px; }
  .guide-v6 .application-card { gap: 16px 12px; }
  .guide-v6 .application-card dd { overflow-wrap: anywhere; }
}
@media (prefers-reduced-motion: reduce) {
  .guide-v6 *, .guide-v6 *::before, .guide-v6 *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@media print {
  .guide-v6 .guide-heading h1 { font-size: 18pt; }
  .guide-v6 .print-card { padding: 12pt; border: 1pt solid #555; background: white; }
  .guide-v6 .part-heading h2 { font-size: 15pt; }
  .guide-v6 .section-source { font-size: 9pt; }
}

/* v6.1 optional components; legacy guide text and layout are untouched. */
.guide-v61 .vehicle-identity { list-style: none; margin: 0 0 12px; padding: 0; font-size: 15px; font-weight: 750; color: var(--brand); }
.guide-v61 .vehicle-identity li { margin-block: 5px; }
.guide-v61 .guide-heading > .guide-evidence { margin: 16px 0 0; max-width: 740px; }
.guide-v61 .guide-evidence > p { font-size: 15px; }
.guide-v61 .application-records { list-style: none; padding: 0; font-size: 14px; }
.guide-v61 .application-records li { border-top: 1px solid var(--line); padding: 12px 0; }
.guide-v61 .application-records p { margin: 4px 0; }
.guide-v61 .application-reference { color: var(--muted); }
.guide-v61 .answer-key-points { padding-left: 22px; margin: 20px 0; }
.guide-v61 .answer-key-points li { padding-left: 3px; margin-block: 12px; line-height: 1.65; }
.guide-v61 .before-replacing { border-left: 4px solid var(--brand); padding: 4px 0 4px 20px; margin: 28px 0; }
.guide-v61 .before-replacing h2 { font-size: 22px; margin: 0 0 14px; }
.guide-v61 .before-replacing p { line-height: 1.7; }
.guide-v61 .cause-section, .guide-v61 .guide-faq { margin: 32px 0; }
.guide-v61 .cause-section > h2, .guide-v61 .guide-faq > h2 { font-size: 27px; line-height: 1.25; }
.guide-v61 .cause-list { counter-reset: cause; list-style: none; padding: 0; }
.guide-v61 .cause-list > li { counter-increment: cause; border: 1px solid #dab7c1; border-top: 3px solid var(--brand); padding: 24px; margin: 20px 0; border-radius: 3px; }
.guide-v61 .cause-list h3 { font-size: 23px; line-height: 1.3; margin: 0 0 12px; }
.guide-v61 .cause-list h3::before { content: counter(cause, decimal-leading-zero) " / "; color: var(--brand); }
.guide-v61 .cause-applies { font-size: 14px; line-height: 1.6; color: var(--muted); }
.guide-v61 .cause-list dt { font-weight: 800; margin: 20px 0 7px; color: var(--brand); }
.guide-v61 .cause-list dd { margin: 0; line-height: 1.75; }
.guide-v61 .faq-item { padding: 24px 0; border-bottom: 1px solid var(--line); }
.guide-v61 .faq-item h3 { font-size: 22px; line-height: 1.35; margin: 0 0 14px; }
.guide-v61 .faq-answer { margin: 0; line-height: 1.75; }
.guide-v61 .section-source { margin-bottom: 0; }
.guide-v61 .table-scroll { max-width: 100%; }
.guide-v61 table { min-width: 560px; }
.guide-v61 .table-caption { text-align: left; font-size: 14px; font-weight: 700; line-height: 1.6; margin: 20px 0 10px; }
.guide-v61 .sources li { font-size: 14px; }
.guide-v61 :is(.cause-list, .application-records, .sources, .related, .guide-heading) { overflow-wrap: anywhere; }
@media (max-width: 650px) {
  .guide-v61 .vehicle-identity { font-size: 14px; }
  .guide-v61 .cause-list > li { padding: 18px 16px; }
  .guide-v61 .cause-list h3 { font-size: 21px; }
  .guide-v61 .before-replacing { padding-left: 16px; }
  .guide-v61 .before-replacing h2, .guide-v61 .faq-item h3 { font-size: 21px; }
  .guide-v61 .cause-section > h2, .guide-v61 .guide-faq > h2 { font-size: 24px; }
}
@media print {
  .guide-v61 .cause-list > li { break-inside: avoid; padding: 12pt; }
  .guide-v61 .table-scroll { overflow: visible; }
  .guide-v61 table { min-width: 0; }
}

/* C-39: source-bound parts lists, also used on existing guide layouts. */
.parts-box { margin: 36px 0; padding: 24px; border: 1px solid #dab7c1; border-top: 3px solid var(--brand); border-radius: 3px; background: #fff; }
.parts-box h2 { font-size: 24px; line-height: 1.3; margin: 0 0 20px; }
.parts-list { list-style: none; margin: 0; padding: 0; }
.parts-list > li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 18px; align-items: start; border-top: 1px solid var(--line); padding: 20px 0; }
.parts-name { font-size: 16px; line-height: 1.65; margin: 0 0 8px; }
.parts-applies, .parts-source { font-size: 14px; line-height: 1.65; margin: 8px 0; }
.parts-amazon { display: inline-block; border: 1px solid var(--brand); border-radius: 3px; padding: 10px 14px; font-size: 14px; font-weight: 750; line-height: 1.5; white-space: nowrap; }
.parts-amazon:hover { background: var(--pale); }
.parts-disclosure { border-top: 1px solid var(--line); padding-top: 16px; font-size: 14px; line-height: 1.65; margin: 4px 0 0; }
.parts-box a:focus-visible { outline: 3px solid #742039; outline-offset: 4px; }
.collection-header .hub-lead-extra { max-width: 850px; font-size: 16px; line-height: 1.75; margin: 20px 0; }
@media (max-width: 650px) {
  .parts-box { padding: 18px 16px; }
  .parts-box h2 { font-size: 22px; }
  .parts-list > li { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .parts-amazon { justify-self: start; }
}
@media (prefers-reduced-motion: reduce) {
  .parts-box *, .parts-box *::before, .parts-box *::after { animation: none !important; transition: none !important; }
}