/* Selected B: strictly below the complete category platform list. */
.category-reading{padding:56px 0 64px;color:#334155;font-family:var(--font-body);font-size:16px;line-height:1.85}
.category-reading>section+section{margin-top:64px}
.category-reading .hpp-chapter.hpp-faq{margin-top:64px}
.category-reading h2{font-size:30px;font-weight:700;line-height:1.4;color:#0f172a;letter-spacing:0;margin:0 0 20px}
.category-reading h3{font-size:21px;font-weight:700;line-height:1.5;color:#0f172a;letter-spacing:0;margin:0 0 12px}
.category-reading .cr-intro{margin:0 0 26px}
.category-reading .cr-controls{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:#f1f7fe;border-radius:4px;overflow:hidden}
.category-reading .cr-controls button{appearance:none;display:flex;align-items:center;flex-direction:column;gap:8px;min-width:0;margin:0;padding:24px 14px 18px;border:0;border-bottom:2px solid transparent;border-right:1px solid #dbe6f3;background:transparent;color:#475569;font:inherit;font-size:14px;line-height:1.6;cursor:pointer;transition:background-color 180ms,border-color 180ms}
.category-reading .cr-controls button:last-child{border-right:0}
.category-reading .cr-controls button:hover{background:#e7f0ff}
.category-reading .cr-controls button:active{background:#dceaff}
.category-reading .cr-controls button[aria-expanded=true]{background:#e8f1ff;border-bottom-color:#1d4ed8}
.category-reading .cr-controls button:focus-visible{outline:3px solid #1d4ed8;outline-offset:-4px}
.category-reading .cr-controls strong{font-size:17px;font-weight:700;color:#0f172a}
.category-reading .cr-controls .cr-icon{width:34px;height:34px;margin-bottom:4px}
.category-reading .cr-controls .cr-chevron{width:18px;height:18px;margin-top:5px;transition:transform 220ms}
.category-reading .cr-controls [aria-expanded=true] .cr-chevron{transform:rotate(180deg)}
.category-reading .cr-panel-shell{overflow:hidden;background:#f1f7fe;border-radius:0 0 4px 4px}
.category-reading .cr-panel{padding:28px 32px 30px;border-top:4px solid #fff}
.category-reading .cr-panel[hidden]{display:none}
.category-reading .cr-panel p{margin:0;max-width:68em}
.category-reading .cr-panel ul{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:26px 0 0;padding:0}
.category-reading .cr-panel li{display:flex;align-items:center;gap:12px;min-width:0}
.category-reading .cr-panel li+li{border-left:1px solid #cfdded;padding-left:20px}
.category-reading .cr-panel li img{flex:none;width:26px;height:26px}
.category-reading .cr-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:0 0 28px}
.category-reading .cr-heading h2{margin:0}
.category-reading .cr-heading>a{display:inline-flex;align-items:center;gap:8px;flex:none;font-weight:600;font-size:16px;color:#1d4ed8;text-decoration:none}
.category-reading .cr-heading>a img{width:19px;height:19px}
.category-reading .cr-guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.category-reading .cr-guide{min-width:0;background:white;border:1px solid #edf1f5;border-radius:4px;box-shadow:0 3px 12px rgb(15 23 42 / 6%);overflow:hidden;transition:box-shadow 180ms,transform 180ms}
.category-reading .cr-guide:hover{box-shadow:0 6px 18px rgb(15 23 42 / 10%);transform:translateY(-2px)}
.category-reading .cr-guide:active{transform:translateY(0)}
.category-reading .cr-guide-link{display:flex;flex-direction:column;height:100%;color:inherit;text-decoration:none}
.category-reading .cr-guide picture{display:block;aspect-ratio:16/9;overflow:hidden}
.category-reading .cr-guide picture img{display:block;width:100%;height:100%;aspect-ratio:16/9;object-fit:cover}
.category-reading .cr-guide-copy{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.category-reading .cr-guide h3{font-size:21px;margin:0 0 12px}
.category-reading .cr-guide p{margin:0 0 24px;font-size:16px;line-height:1.8}
.category-reading .cr-read{display:flex;align-items:center;gap:8px;margin-top:auto;color:#1d4ed8;font-weight:600}
.category-reading .cr-read img{width:20px;height:20px;transition:transform 180ms}
.category-reading .cr-guide:hover .cr-read img{transform:translateX(3px)}
.category-reading a:focus-visible{outline:3px solid #1d4ed8;outline-offset:3px}
.category-reading .cr-guide-link:focus-visible{outline-offset:-3px}
.category-reading .cr-heading>a:hover{text-decoration:underline;text-underline-offset:5px}
/* Shared home FAQ needs only the base chevron rules from the home section. */
.category-reading .hpp-fold{display:block;margin-left:auto;flex:none;border-bottom:solid currentColor;border-right:solid currentColor;transform:rotate(45deg)}
.category-reading details[open]>summary .hpp-fold{transform:rotate(225deg)}
.category-reading summary{list-style:none}
.category-reading summary::-webkit-details-marker{display:none}
@media(max-width:640px){
 .category-reading{padding:36px 0 40px}
 .category-reading>section+section{margin-top:40px}
 .category-reading .hpp-chapter.hpp-faq{margin-top:40px}
 .category-reading h2{font-size:24px;margin-bottom:18px}
 .category-reading h3{font-size:20px}
 .category-reading .cr-intro{margin-bottom:20px}
 .category-reading .cr-controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;background:white}
 .category-reading .cr-controls button{padding:20px 8px 14px;background:#f1f7fe;border-right:0;font-size:13px;gap:6px}
 .category-reading .cr-controls strong{font-size:16px}
 .category-reading .cr-controls .cr-icon{width:30px;height:30px}
 .category-reading .cr-panel{padding:24px 20px}
 .category-reading .cr-panel ul{grid-template-columns:1fr;gap:14px;margin-top:22px}
 .category-reading .cr-panel li+li{padding-left:0;border:0}
 .category-reading .cr-panel li img{width:24px;height:24px}
 .category-reading .cr-heading{gap:12px;margin-bottom:20px;flex-wrap:wrap}
 .category-reading .cr-heading>a{font-size:13px;gap:4px}
 .category-reading .cr-guide-grid{grid-template-columns:1fr;gap:20px}
 .category-reading .cr-guide-copy{padding:18px 18px 20px}
 .category-reading .cr-guide h3{font-size:19px}
}
@media(prefers-reduced-motion:reduce){.category-reading *, .category-reading *::before{transition:none!important}.category-reading .cr-guide:hover,.category-reading .cr-guide:hover .cr-read img{transform:none}}