.content-guidelines{--cg-rule:var(--color-border-subtle);max-width:1280px;margin:0 auto}
.cg-hero{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:0 0 40px}
.cg-hero h1{font-size:clamp(32px,3.5vw,52px);line-height:1.12;margin:16px 0 24px}
.cg-lead{font-size:clamp(22px,2vw,28px);line-height:1.4;font-weight:600;margin:0 0 16px;color:var(--text-body)}
.cg-hero p:not(.cg-lead){max-width:560px;color:var(--text-secondary)}
.cg-hero-example{background:var(--background-botanical-subtle);padding:24px;border-radius:var(--radius-layout)}
.cg-hero-example .cg-preview{background:transparent;border:0}.cg-hero-example .cg-preview-image{height:240px;padding:0}
/* A persistent chapter selector with clear icon, label, and current location. */
.cg-toc{position:sticky;top:calc(var(--global-header-height) + 12px);z-index:15;display:grid;grid-template-columns:repeat(7,minmax(124px,1fr));gap:8px;padding:10px;border:1px solid var(--color-border-subtle);border-radius:16px;background:var(--background-botanical-subtle);box-shadow:0 4px 16px color-mix(in srgb,var(--text-body) 8%,transparent);overflow-x:auto;scrollbar-width:thin}
.cg-toc a{display:flex;flex-direction:column;justify-content:center;gap:10px;min-height:82px;padding:12px;border:1px solid transparent;border-radius:10px;background:var(--commerce-product-card-surface);color:var(--text-body);text-decoration:none}
.cg-toc a:hover{border-color:var(--color-border-selected);background:var(--background-default)}
.cg-toc a:focus-visible{outline:2px solid var(--color-border-selected);outline-offset:-3px}
.cg-toc-symbol{display:flex;align-items:center;justify-content:space-between;gap:10px}
.cg-toc-symbol svg{display:block;flex-shrink:0}
.cg-toc-number{font-size:10px;opacity:.7;font-variant-numeric:tabular-nums}
.cg-toc-label{font-size:13px;font-weight:600;line-height:1.4;white-space:nowrap}
.cg-toc a[aria-current=location]{background:var(--text-body);color:var(--text-inverse);border-color:var(--text-body)}
.cg-toc a[aria-current=location] .cg-toc-label{font-weight:700}
.cg-section{padding:56px 0;border-bottom:1px solid var(--cg-rule);scroll-margin-top:calc(var(--global-header-height) + var(--cg-nav-height,106px) + 36px)}
.cg-section-heading{max-width:720px;margin-bottom:24px}.cg-section-heading h2{font-size:30px;line-height:1.3;margin:12px 0}.cg-section-heading p,.cg-task-intro p{color:var(--text-secondary)}
.cg-options{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.cg-options button{border:1px solid var(--cg-rule);border-radius:var(--radius-pill);padding:10px 18px;background:transparent;min-height:44px}.cg-options button[aria-pressed=true]{background:var(--text-body);color:var(--text-inverse);border-color:var(--text-body)}
.cg-task-intro{margin:28px 0 20px}.cg-task-intro h3{font-size:22px;margin:0 0 8px}
.cg-recommendations{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.cg-recommendations article p{margin:12px 0;color:var(--text-secondary)}
.cg-preview{display:block;width:100%;padding:0;overflow:hidden;border:1px solid var(--cg-rule);border-radius:var(--radius-card-md);background:var(--commerce-product-card-surface);text-align:left;cursor:pointer;transition:border-color .15s}.cg-preview:hover{border-color:var(--color-border-selected)}
.cg-preview>span:last-child{display:flex;justify-content:space-between;gap:12px;padding:16px;font-weight:600}.cg-preview-image{height:180px;display:flex;align-items:center;justify-content:center;padding:16px;background:var(--background-botanical-subtle)}
.cg-preview-image .library-source-thumb{width:100%;height:100%;object-fit:contain;display:block}
.cg-caption{display:block;color:var(--text-secondary);font-size:12px;margin:12px 0;line-height:1.7}
.cg-comparisons{display:grid;gap:28px}.cg-comparison{padding:24px;background:var(--commerce-product-card-surface);border:1px solid var(--cg-rule);border-radius:var(--radius-card-md)}
.cg-comparison h3{font-size:21px;margin:0 0 20px}.cg-comparison p{max-width:920px;color:var(--text-secondary);margin:20px 0 0}.cg-comparison-images{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.cg-workflow{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:28px}.cg-workflow li{display:flex;gap:16px;padding:24px 0;border-top:1px solid var(--cg-rule)}.cg-workflow li>span{font-size:14px;line-height:32px;flex-shrink:0;color:var(--text-secondary)}.cg-workflow h3{margin:0 0 10px;font-size:20px}.cg-workflow p{margin:0;color:var(--text-secondary)}
.cg-rule{border-left:4px solid var(--color-border-selected);background:var(--background-botanical-subtle);padding:24px;margin-top:28px;border-radius:0 var(--radius-card-sm) var(--radius-card-sm) 0}.cg-rule p{margin:8px 0 0}
.cg-sequence{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:28px}.cg-sequence-number{font-size:12px;color:var(--text-secondary)}.cg-sequence h3{font-size:16px;min-height:50px;margin:8px 0}.cg-sequence .cg-preview-image{height:130px;padding:8px}.cg-sequence .cg-preview>span:last-child{font-size:12px;padding:12px}
.cg-principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:32px}.cg-principles h3{font-size:19px;margin:0 0 12px}.cg-principles p{color:var(--text-secondary);margin:0}
.cg-responsive-example{max-width:900px}.cg-responsive-example .cg-preview-image{height:auto;padding:24px}.cg-responsive-example .library-source-thumb{height:auto;max-height:520px}
.cg-search{display:grid;gap:8px;font-weight:600}.cg-search input{width:100%;padding:14px 16px;border:1px solid var(--cg-rule);border-radius:var(--radius-input);background:var(--commerce-product-card-surface);font:inherit;font-weight:400}
.cg-module-group{margin-top:32px}.cg-module-group>h3{font-size:18px;margin:0 0 16px}.cg-module{border-top:1px solid var(--cg-rule)}.cg-module:last-child{border-bottom:1px solid var(--cg-rule)}.cg-module summary{padding:18px 4px;cursor:pointer;display:list-item;list-style-position:inside}.cg-module summary>span:first-child{display:inline-block;font-weight:600;min-width:230px;margin-left:8px}.cg-module summary>span:last-child{color:var(--text-secondary);font-size:13px}.cg-module-body{display:grid;grid-template-columns:1fr 1.3fr;gap:32px;padding:12px 0 28px}.cg-module-body a{display:inline-block;margin-top:16px;font-size:12px}.cg-module-body dl{margin:0}.cg-module-body dt{font-weight:700;font-size:12px;margin-bottom:6px}.cg-module-body dd{margin:0 0 18px;color:var(--text-secondary)}
.cg-checklist{display:grid;grid-template-columns:1fr 1fr;gap:0 32px}.cg-checklist label{display:flex;align-items:flex-start;gap:12px;padding:18px 0;border-top:1px solid var(--cg-rule);cursor:pointer}.cg-checklist input{flex-shrink:0;accent-color:var(--text-body);width:18px;height:18px;margin-top:3px}.cg-end{margin-top:32px;font-size:12px;color:var(--text-secondary)}
@media(max-width:1100px){.cg-toc{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:max-content}.cg-toc a{min-width:120px}.cg-hero{gap:24px}.cg-sequence{grid-template-columns:1fr 1fr}.cg-module summary>span:last-child{display:block;padding:6px 24px 0}.cg-principles{grid-template-columns:1fr}.cg-section-heading h2{font-size:27px}}
@media(max-width:700px){.cg-hero{grid-template-columns:1fr}.cg-hero h1{font-size:36px}.cg-hero-example{padding:16px}.cg-hero-example .cg-preview-image{height:200px}.cg-toc{gap:6px;padding:8px;border-radius:12px;top:calc(var(--global-header-height) + 8px)}.cg-toc a{min-height:72px;padding:10px;gap:8px}.cg-toc-symbol svg{width:22px;height:22px}.cg-section{padding:36px 0}.cg-options{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px}.cg-options button{white-space:nowrap;flex-shrink:0}.cg-recommendations,.cg-workflow,.cg-comparison-images,.cg-module-body,.cg-checklist{grid-template-columns:1fr}.cg-comparison{padding:16px}.cg-workflow{gap:0}.cg-sequence{grid-template-columns:1fr 1fr;gap:12px}.cg-sequence .cg-preview-image{height:110px}.cg-section-heading h2{font-size:26px}.cg-module summary>span:first-child{min-width:0}.cg-responsive-example .cg-preview-image{padding:12px}}

/* Reuse the homepage spatial gallery with the Content collection. */
.cg-hero:has(.ds-cover){grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:32px}
.ds-cover-content .ds-cover-top{font-size:12px;letter-spacing:1px}
.ds-cover-content .ds-cover-hint,.ds-cover-content .ds-cover-zoom,.ds-cover-content .ds-cover-inspector header span{font-size:12px}
.ds-cover-content .ds-cover-name{font-size:12px}
.ds-cover-content .ds-cover-meta{font-size:12px}
@media(max-width:1100px){.cg-hero:has(.ds-cover){grid-template-columns:1fr}}

.ds-cover-content .ds-cover-card{height:164px;top:-82px}
.ds-cover-content .ds-cover-focus-preview .library-source-thumb{width:100%;height:100%;max-height:100%;object-fit:contain}

.ds-cover-content .ds-cover-viewport{perspective:1400px}