.rulo-gallery{display:grid;grid-template-columns:1fr 1fr;gap:30px}.rulo-gallery figure{margin:0}.rulo-gallery img{width:100%;aspect-ratio:1.5;object-fit:cover}.rulo-gallery figcaption{font-size:12px;color:var(--muted);line-height:1.7;margin-top:12px}.gallery-section{background:#f6f7f8}.quick dl{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:30px 0 0}.quick dl>div{border-top:2px solid var(--red);padding-top:20px}.quick dt{font-weight:bold;font-size:18px;line-height:1.5}.quick dd{margin:14px 0;color:var(--muted);line-height:1.85;font-size:15px}.guide-shell{background:#fafbfc}.guide-controls{display:flex;gap:12px;margin-bottom:25px;flex-wrap:wrap}.guide-controls button{border:1px solid var(--line);padding:12px 16px;background:white;color:var(--ink);cursor:pointer;font-size:13px}.guide-chapter{border-top:1px solid var(--line);background:white;margin:0 0 12px;padding:0 24px}.guide-chapter summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 0}.guide-chapter summary:after{content:'+';color:var(--red);font-size:26px;flex-shrink:0}.guide-chapter[open] summary:after{content:'−'}.guide-chapter summary::-webkit-details-marker{display:none}.guide-chapter summary h3{font-size:20px;margin:0;line-height:1.5}.guide-chapter>div{padding-bottom:18px}.guide-chapter>div p:first-child{margin-top:0}.case-study{border-left:3px solid var(--red);padding:4px 24px;background:#fff;margin:28px 0}.sources{margin-top:35px;border-top:1px solid var(--line)}.sources p{font-size:13px}.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0 55px}.hub-card{border:1px solid var(--line);padding:25px;text-decoration:none}.hub-card span{font-size:21px;font-weight:bold}.hub-card p{font-size:14px;line-height:1.8;color:var(--muted)}.hub-card b{font-size:12px;color:var(--red)}.hub-card:hover{border-color:var(--red)}.related{padding-top:30px}.guide-shell .article-grid{gap:45px}.article-aside{position:sticky;top:125px}.page-top>div>p:last-child{line-height:1.8;color:var(--muted)}.nav{gap:18px}.header{gap:20px}@media(max-width:1000px){.hub-grid{grid-template-columns:1fr 1fr}.guide-shell .article-grid{grid-template-columns:minmax(0,1fr) 210px;gap:25px}}@media(max-width:700px){.rulo-gallery,.quick dl,.hub-grid{grid-template-columns:1fr}.guide-chapter{padding:0 17px}.guide-chapter summary h3{font-size:17px}.article-aside{position:static}.guide-shell .article-grid{display:block}.case-study{padding:4px 18px}.hub-grid{gap:14px}}