/* Shared editorial system: native HTML with the supplied reference composition. */
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@media(max-width:650px){.content-page .site-header{height:auto;min-height:55px}.content-page .header-inner{flex-wrap:wrap;padding:10px 0 8px;gap:12px}.content-page .header-inner nav{display:flex;width:100%;order:3;justify-content:space-between;gap:12px;padding:7px 0;font-size:13px}.content-page .site-header a[aria-current=page]{padding:7px;margin:-7px}.content-page .header-inner .brand{font-size:21px}.content-page .breadcrumbs{padding-top:17px}}
/* Reference comparison corrections. */
.dealing-diagram{container-type:inline-size;--demo-gap:13px;--demo-step:13px}.diagram-columns{gap:var(--demo-gap)}.diagram-columns .demo-stack{height:calc((100cqw - 6 * var(--demo-gap)) / 7 * 81 / 58 + 6 * var(--demo-step))}.diagram-columns .demo-stack .layer{top:calc(var(--layer,0)*var(--demo-step))}.more-guides{font-size:14px;margin:13px 0 0}.strategy-aside section>span[data-icon=spade]{display:block;width:30px;margin:15px auto 0}.strategy-aside section>span[data-icon=spade] .icon{width:30px;height:30px}
@media(min-width:761px){.breadcrumbs{padding:13px 0 12px}.rules-hero{margin-top:-16px}.rules-hero>img{height:193px}.rules-hero h1{font-size:34px}.rules-hero>div>p:not(.eyebrow){font-size:14px;margin:7px 0 13px;line-height:1.4}.rule-facts{padding-block:12px}.rules-body section>p{font-size:14px;line-height:1.35}.rules-body section{margin-bottom:15px}.dealing-diagram{padding-top:10px;padding-bottom:12px}.diagram-top .demo-card{width:54px;height:75px}.diagram-foundations i{width:49px;height:73px}.diagram-columns .demo-stack{height:calc((100cqw - 6 * var(--demo-gap)) / 7 * 81 / 58 + 6 * var(--demo-step))}.move-examples p{min-height:31px;line-height:1.3}.move-examples>div{row-gap:6px}.king-rule p{font-size:13px}.draw-examples>div{padding:10px 13px}.rules-page .photo-cta{margin-top:13px}.rules-page .photo-cta>img{height:86px}.rules-page .photo-cta h2{font-size:22px}.rules-page .photo-cta p{font-size:13px}.split-hero>div{padding:19px 20px}.split-hero h1{font-size:36px;line-height:1.08}.split-hero>div>p:not(.eyebrow){font-size:15.5px;line-height:1.35;margin:8px 0 12px}.split-hero>img{min-height:253px}.split-hero .eyebrow{margin-bottom:10px}.split-hero .primary-button{padding-block:10px}.strategy-layout{grid-template-columns:minmax(0,1fr) 29%;gap:24px}.strategy-tip{padding:11px 0 15px;min-height:100px}.strategy-tip p{line-height:1.4}.strategy-tip h2{font-size:21px}.strategy-aside>section{padding:20px 16px}.strategy-aside h2{font-size:19px;letter-spacing:-.035em}.strategy-aside li{font-size:13px;margin-block:13px}.featured-guide>img{height:245px}.featured-guide>div{padding:12px 10px 12px 0}.featured-guide h2{font-size:30px}.featured-guide p:not(.eyebrow){font-size:16px;line-height:1.4;margin:9px 0 14px}.news-intro{padding-bottom:17px}.news-intro>p{margin-bottom:17px}.news-page .guide-image{height:165px}.news-page .guide-copy p{font-size:15px;line-height:1.4}.news-page .guide-copy h3{font-size:19px}}
@media(min-width:1200px){.rules-hero>img{height:245px}.dealing-diagram{--demo-gap:35px}.split-hero>img{min-height:280px}.featured-guide>img{height:290px}.news-page .guide-image{height:200px}}
@media(max-width:540px){.dealing-diagram{--demo-gap:6px;--demo-step:10px}.more-guides{font-size:16px}.diagram-columns .demo-card{min-height:0}}
@media(min-width:851px) and (max-width:1199px){.rules-page .foundation-example{padding-block:10px}.rules-page .dealing-diagram>p{position:absolute;top:86px;left:110px;right:28px;margin:0}.rules-page .diagram-columns{grid-template-columns:repeat(7,56px);justify-content:space-between;gap:0;margin-top:15px}.rules-page .diagram-columns .demo-stack{height:156px}.rules-page .move-examples h3{font-size:13px}.rules-page .move-examples p{font-size:12px;line-height:1.3}.rules-page .move-examples .demo-card{height:76px}.rules-page .move-examples .demo-stack{height:99px}.rules-page .rule-facts{padding-block:10px}.rules-page .page-container{margin-bottom:15px}.rules-page .two-up .guide-image{height:96px}.rules-page .two-up .guide-copy{gap:5px}}
.dealing-diagram{position:relative}

.demo-card,.demo-card[src*="card-back"]{border:1px solid var(--card-border)}

/* Consistent article headers: navigation has its own space above the category. */
.content-page .breadcrumbs{display:block;padding:22px 0;margin:0 0 10px;font-size:13px;line-height:1.5}
.breadcrumbs ol{display:flex;align-items:baseline;gap:10px;margin:0;padding:0;list-style:none}
.breadcrumbs li{display:flex;align-items:baseline;gap:10px;min-width:0}
.breadcrumbs li:first-child{flex:none}
.breadcrumbs [aria-current=page]{overflow-wrap:break-word;color:var(--muted)}
.breadcrumb-separator{color:var(--muted);opacity:.65;flex:none}
.content-page .rules-hero{margin-top:0}
.content-page .eyebrow{font-size:11px;line-height:1.5;letter-spacing:.16em;margin:0 0 12px}
.content-page.article-page .breadcrumbs{max-width:800px;margin-inline:auto}
.content-page .long-guide header{margin-top:0}
@media(max-width:760px){.content-page .breadcrumbs{padding:18px 0;margin-bottom:6px}.content-page .eyebrow{font-size:10px;letter-spacing:.14em}}

.contents-toggle{display:none}.contents-panel{display:contents}.contents-panel[hidden]{display:none}
@media(max-width:760px){
 .content-page .site-header a[aria-current=page]{margin:0;padding:13px 14px}
 .contents-ready{display:block!important;max-height:none!important}
 .contents-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;gap:14px;min-height:50px;padding:14px;border:0;background:var(--panel);color:var(--ink);font:inherit;font-weight:600;text-align:left}
 .contents-toggle>span{font-size:22px;line-height:1}
 .contents-panel:not([hidden]){display:block;padding-bottom:8px}
 .contents-panel h2{display:none}
 .content-page .contents-panel a{display:flex;align-items:center;min-height:44px;padding:10px 14px}
 .content-page .rules-body{max-width:none}
}