.category-section{padding:32px 0 40px}.category-section h2{margin:0 0 12px}.category-intro{max-width:760px;color:var(--muted);margin:0 0 24px}.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.category-card{display:flex;align-items:flex-start;gap:12px;padding:20px 16px;min-height:112px;border:1px solid var(--line);border-radius:4px;background:#fff;text-decoration:none;color:var(--ink);transition:border-color .15s,background .15s}.category-card:hover,.category-card[aria-current="true"]{border-color:var(--accent);background:#fff5ee}.category-card strong{display:block;font-size:16px;line-height:1.35}.category-card small{display:block;font-size:12px;line-height:1.5;color:var(--muted);margin-top:6px}.category-number{font-size:11px;font-weight:bold;color:var(--accent);padding-top:2px}.category-arrow{margin-left:auto;color:var(--accent)}.catalog-help{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px;margin:24px 0;background:#e9ede6;border:1px solid var(--line);border-radius:4px}.catalog-help h3{margin:0 0 6px;font-size:20px}.catalog-help p{margin:0;max-width:700px;font-size:14px}.catalog-help .button{flex-shrink:0}.empty-state{grid-column:1/-1;padding:30px;border:1px solid var(--line);background:white;border-radius:4px}.empty-state h3{font-size:22px;margin:0 0 10px}.empty-state p{max-width:740px}.catalog-tools{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin:0 0 22px}.catalog-tools a{font-size:14px;font-weight:bold}.category-picker{margin:0 0 20px;max-width:500px}@media(max-width:850px){.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-help{align-items:flex-start;flex-direction:column}}@media(max-width:540px){.category-grid{grid-template-columns:1fr}.category-card{min-height:0}.catalog-help{padding:20px}.catalog-help .button{width:100%}}