.cat-breadcrumb{font-size:13px;color:var(--sub);margin:8px 0 18px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}.cat-breadcrumb a{color:var(--sub);text-decoration:none;transition:color .15s}.cat-breadcrumb a:hover{color:var(--primary)}.cat-breadcrumb .sep{color:var(--border)}.cat-header{display:flex;align-items:center;gap:14px;margin-bottom:18px}.cat-icon{width:52px;height:52px;border-radius:14px;background:var(--card-alt);display:flex;align-items:center;justify-content:center;font-size:28px;flex-shrink:0}.cat-h1{font-size:24px;font-weight:700;line-height:1.3;margin:0 0 4px;color:var(--text)}.cat-tagline{font-size:13px;color:var(--sub);margin:0;line-height:1.5}.cat-intro{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 24px;margin-bottom:22px;font-size:14.5px;line-height:1.85;color:var(--text)}.cat-intro>*:first-child{margin-top:0}.cat-intro>*:last-child{margin-bottom:0}.cat-intro p{margin:10px 0}.cat-intro strong{color:var(--text);font-weight:700}.cat-intro a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}.cat-intro a:hover{filter:brightness(1.1)}.cat-intro h2,.cat-intro h3{font-weight:700;color:var(--text)}.cat-intro h2{font-size:16px;margin:18px 0 10px}.cat-intro h3{font-size:14.5px;margin:14px 0 8px}.cat-intro ul,.cat-intro ol{margin:10px 0;padding-left:22px}.cat-intro li{margin:4px 0}.cat-intro blockquote{margin:12px 0;padding:8px 14px;border-left:3px solid var(--primary);background:var(--card-alt);border-radius:0 8px 8px 0;color:var(--sub)}@media(max-width:600px){.cat-intro{padding:16px}}.cat-grid-section{margin-bottom:28px}.cat-sec-title{font-size:16px;font-weight:700;color:var(--text);margin:0 0 14px}.cat-grid{display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}@media(min-width:640px){.cat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(min-width:1024px){.cat-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}.cat-card{display:flex;align-items:center;gap:12px;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:12px;color:var(--text);text-decoration:none;transition:box-shadow .2s,transform .1s}.cat-card:hover{box-shadow:var(--shadow-hover, var(--shadow));transform:translateY(-1px)}.cat-card-ic{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.cat-card-body{min-width:0}.cat-card-name{font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cat-card-desc{font-size:12px;color:var(--sub);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media(max-width:639px){.cat-card[data-platform=pc]{display:none!important}}@media(min-width:640px){.cat-card[data-platform=mobile]{display:none!important}}.cat-faq{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 24px}@media(max-width:600px){.cat-faq{padding:16px}}.cat-faq-list{display:flex;flex-direction:column;gap:10px}.cat-faq-item{background:var(--card-alt);border:1px solid var(--border);border-radius:10px;padding:12px 16px}.cat-faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:12px;list-style:none;cursor:pointer;font-size:14px;font-weight:600;color:var(--text)}.cat-faq-item summary::-webkit-details-marker{display:none}.cat-faq-plus{font-size:18px;color:var(--sub);flex-shrink:0;transition:transform .2s}.cat-faq-item[open] .cat-faq-plus{transform:rotate(45deg)}.cat-faq-item p{margin:10px 0 2px;font-size:13.5px;color:var(--sub);line-height:1.75}.cat-faq-item p a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}.cat-faq-item p a:hover{filter:brightness(1.1)}.land-tut-section{margin-bottom:28px}.land-tut-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.land-tut-more{font-size:13px;color:var(--sub);text-decoration:none;transition:color .15s}.land-tut-more:hover{color:var(--primary)}.land-tut-grid{display:grid;gap:12px;grid-template-columns:1fr}@media(min-width:640px){.land-tut-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}.land-tut-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px;color:var(--text);text-decoration:none;display:block;transition:box-shadow .2s,transform .1s}.land-tut-card:hover{box-shadow:var(--shadow-hover, var(--shadow));transform:translateY(-1px)}.land-tut-title{font-size:14px;font-weight:600;line-height:1.45;margin-bottom:6px;color:var(--text)}.land-tut-desc{font-size:12.5px;color:var(--sub);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.land-tut-date{font-size:11px;color:var(--sub);opacity:.7;margin-top:8px}