/* Product-style chapter navigation, limited to the two selection guides. */
.selection-guide .guide-section-nav{display:flex;gap:28px;align-items:stretch;margin:24px 0 0;padding:0;border-bottom:1px solid #dedbd3;overflow-x:auto;scrollbar-width:thin;}
.selection-guide .guide-section-nav a{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-height:56px;box-sizing:border-box;padding:14px 0;border:0;border-bottom:3px solid transparent;border-radius:0;background:transparent;color:#586b74;font-size:14px;font-weight:600;line-height:1.4;text-decoration:none;white-space:nowrap;}
.selection-guide .guide-section-nav small{font-size:12px;opacity:.65;}
.selection-guide .guide-section-nav a[aria-current],.selection-guide .guide-section-nav a:hover{color:#a54c09;border-bottom-color:#b65300;}
.selection-guide .guide-section-nav a:focus-visible{outline:2px solid #a54c09;outline-offset:-2px;}
.selection-guide .article-section[id]{scroll-margin-top:100px;}
@media(max-width:700px){.selection-guide .guide-section-nav{gap:16px;margin-top:20px;}.selection-guide .guide-section-nav a{gap:6px;font-size:12px;min-height:52px;}.selection-guide .guide-section-nav small{font-size:11px;}}

.selection-guide .guide-full-toc{margin-top:32px;margin-bottom:24px;padding:28px;background:#fff;border:1px solid #e5e2dc;border-radius:12px;}
.selection-guide .guide-full-toc h2{margin:0;font:700 23px/1.4 Arial,"PingFang SC",sans-serif;color:#243b45;}
.selection-guide .guide-full-toc p{margin:8px 0 20px;font-size:15px;}
.selection-guide .guide-full-toc ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 28px;margin:0;padding:0;list-style:none;}
.selection-guide .guide-full-toc li{min-width:0;border-top:1px solid #eeeae3;}
.selection-guide .guide-full-toc a{display:flex;align-items:center;gap:12px;min-height:64px;padding:12px 0;box-sizing:border-box;color:#314854;text-decoration:none;font-size:15px;line-height:1.5;}
.selection-guide .guide-full-toc small{color:#a54c09;font-size:12px;}
.selection-guide .guide-full-toc a span:last-child{margin-left:auto;color:#a54c09;}
.selection-guide .guide-full-toc a:hover{color:#a54c09;}
.selection-guide .guide-full-toc a:focus-visible{outline:2px solid #a54c09;outline-offset:3px;}
.selection-guide #recommended-swatches{scroll-margin-top:100px;}
@media(max-width:900px){.selection-guide .guide-full-toc ol{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:700px){.selection-guide .guide-full-toc{padding:20px;margin-top:24px;}.selection-guide .guide-full-toc h2{font-size:21px;}.selection-guide .guide-full-toc ol{grid-template-columns:1fr;}.selection-guide .guide-full-toc a{min-height:52px;}}

/* Selection guides: grouped contents and separate reading panels. */
.chapter-layout .guide-full-toc{background:transparent;border:0;border-radius:0;padding:32px 0 8px;margin-bottom:40px;scroll-margin-top:100px;}
.chapter-layout .guide-full-toc h2{font-size:26px;margin-bottom:24px;}
.chapter-layout .guide-toc-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;}
.chapter-layout .guide-toc-group{border-top:2px solid #b65300;padding-top:18px;}
.chapter-layout .guide-toc-group h3{display:flex;gap:12px;align-items:center;margin:0 0 14px;font-size:19px;color:#243b45;}
.chapter-layout .guide-toc-group ul{list-style:none;margin:0;padding:0;}
.chapter-layout .guide-full-toc li{border:0;}
.chapter-layout .guide-full-toc a{min-height:44px;padding:10px 0;font-size:15px;}
.chapter-layout .guide-full-toc a span:last-child{opacity:.5;}
body .selection-guide.chapter-layout > .article-section[id],body .selection-guide.chapter-layout > #recommended-swatches{box-sizing:border-box;background:#fff;border:1px solid #e7e3dc;border-radius:16px;padding:40px 44px;margin-top:32px;margin-bottom:32px;}
.chapter-layout .guide-chapter-label{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;font:600 12px/1.5 Arial,"PingFang SC",sans-serif;letter-spacing:.08em;color:#a54c09;}
.chapter-layout .guide-chapter-label a{color:#6b7b83;text-decoration:none;letter-spacing:0;font-weight:400;}
body .selection-guide.chapter-layout > .article-section[id] > h2{font:600 28px/1.5 Arial,"PingFang SC",sans-serif;margin:0 0 24px;color:#243b45;}
body .selection-guide.chapter-layout > .article-section[id] > p{margin:18px 0;line-height:1.9;}
@media(max-width:700px){.chapter-layout .guide-toc-groups{grid-template-columns:1fr;gap:24px;}.chapter-layout .guide-full-toc{padding:24px 0 0;margin-bottom:28px;}body .selection-guide.chapter-layout > .article-section[id],body .selection-guide.chapter-layout > #recommended-swatches{padding:24px 20px;margin-top:24px;margin-bottom:24px;border-radius:12px;}body .selection-guide.chapter-layout > .article-section[id] > h2{font-size:23px;margin-bottom:20px;}.chapter-layout .guide-chapter-label{margin-bottom:16px;}}