/* Topic navigation: short landing page, readable chapters and direct jump links. */
.primary-nav a[aria-current=page]{background:#edf3fa!important;color:#142943!important;font-weight:700;text-decoration:underline;text-underline-offset:.35em}
.guide-hub,.page-intro,.page-contents,.detail-controls,.topic-content,.next-guides{max-width:1100px;margin:0 auto;padding:32px 24px;color:#142943}
.guide-hub{padding-block:36px 48px}.guide-hub h2{font-size:clamp(1.7rem,3vw,2.2rem);margin:0 0 12px}.guide-hub>p{max-width:65ch}.topic-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:26px 0}.topic-cards>a{display:flex;flex-direction:column;padding:26px;border:1px solid #c6d3df;border-radius:14px;background:var(--paper);color:#142943;text-decoration:none}.topic-cards>a:hover{background:#edf3fa;border-color:#184b85}.topic-cards h3{font-size:1.4rem;margin:12px 0}.topic-cards p{font-size:1rem;line-height:1.75;margin:0 0 22px}.topic-cards>a>span:last-child{margin-top:auto;font-weight:700;color:#184b85}.topic-label{font-size:.85rem;color:#46596c}.tool-links{display:flex;flex-wrap:wrap;gap:12px 24px}.tool-links a,.breadcrumbs a,.page-contents a,.section-return a,.next-guides a{color:#184b85}.tool-links a{display:inline-flex;align-items:center;min-height:44px;font-weight:700}.page-intro{padding-top:32px;padding-bottom:12px}.page-intro h1{font-size:clamp(2rem,4vw,3rem);line-height:1.2;margin:20px 0 18px}.page-intro>p:last-child{max-width:68ch;font-size:1.1rem;line-height:1.75}.breadcrumbs{display:flex;gap:10px;flex-wrap:wrap;font-size:.9rem;margin-bottom:24px}.page-contents{padding-block:20px 28px}.page-contents h2{font-size:1.25rem;margin:0 0 14px}.page-contents ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 32px;list-style:none;border:1px solid #c6d3df;border-radius:12px;background:#f3f6fa;padding:20px;margin:0}.page-contents a{display:block;min-height:44px;padding:8px 0;line-height:1.6}.detail-controls{padding-block:0 24px;display:flex;flex-wrap:wrap;gap:12px}.detail-controls button{min-height:44px;padding:10px 16px;border:1px solid #b8c8d8;border-radius:8px;color:#142943;background:#fff;cursor:pointer}.detail-controls button:hover{background:#edf3fa}.detail-controls p{flex-basis:100%;margin:0;font-size:.9rem;color:#46596c}.topic-content{max-width:1000px;display:grid;grid-template-columns:minmax(0,1fr);gap:28px;padding-block:28px 48px}.topic-content .guide-card{width:100%;min-width:0;grid-column:1/-1}.topic-content .guide-card h2{font-size:1.65rem;line-height:1.3;margin:12px 0 18px;color:#142943}.topic-content .guide-card h3{font-size:1.15rem;line-height:1.4;margin:18px 0 8px;max-width:none}.topic-content .guide-card p,.topic-content .guide-card li{line-height:1.75}.topic-content .guide-card .section-return{margin:24px 0 0;padding-top:16px;border-top:1px solid #d5dfe8;font-size:.9rem}.section-return a{display:inline-block;padding:8px 0;min-height:44px}.next-guides{border-top:1px solid #d5dfe8;padding-block:30px 48px;display:flex;gap:16px 28px;flex-wrap:wrap}.next-guides h2{font-size:1.3rem;flex-basis:100%;margin:0}.next-guides a{display:inline-flex;align-items:center;min-height:44px}.topic-content .card-num{font-size:1rem;line-height:1.5;color:#46596c}.topic-content details>summary{min-height:44px;padding-block:12px;line-height:1.6;cursor:pointer}#page-contents{scroll-margin-top:130px}
@media(max-width:900px){.topic-cards{grid-template-columns:1fr}.topic-cards>a{padding:24px}.page-contents ul{grid-template-columns:1fr}.guide-hub,.page-intro,.page-contents,.detail-controls,.topic-content,.next-guides{padding-inline:20px}.topic-content .guide-card h2{font-size:1.45rem}.page-intro>p:last-child{font-size:1rem}.page-intro{padding-top:24px}.topic-content{gap:24px}.tool-links{display:grid;gap:6px}.topic-cards p{margin-bottom:16px}}
@media print{.topbar,.mobile-bottom-nav,.reading-open,.detail-controls,.next-guides,.section-return{display:none!important}body{padding:0}.topic-content{max-width:none;padding:0}.guide-card{break-inside:auto}details>*{display:block!important}}

.topic-content .guide-card:hover{transform:none}.topic-content .photo-card>.section-return{margin:0 26px 20px}.topic-content .shop-grid h3,.topic-content .rights-grid h3{margin-top:0}