.pillar-header{display:flex;align-items:center;gap:16px;padding:24px 0 20px}.pillar-header__icon{width:56px;height:56px;border-radius:var(--r);background:var(--blue-light);display:flex;align-items:center;justify-content:center;flex-shrink:0}.pillar-header__icon svg{width:28px;height:28px;color:var(--blue)}.pillar-header h1{font-size:clamp(1.4rem,3vw,1.8rem);font-weight:800;letter-spacing:-.3px;line-height:1.2;color:var(--gray-900);margin:0}.pillar-header__meta{font-size:.85rem;color:var(--gray-400);margin-top:4px}.toc{background:var(--surface);border:1px solid var(--gray-200);border-radius:var(--r);padding:20px 24px;margin-bottom:28px}.toc__h{font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--gray-400);margin-bottom:10px}.toc__list{list-style:none;display:flex;flex-wrap:wrap;gap:6px 16px}.toc__list li{font-size:.88rem}.toc__list a{color:var(--blue);text-decoration:none;font-weight:500}.toc__list a:hover{text-decoration:underline}.pillar-sec{padding:28px 0;border-top:1px solid var(--gray-200)}.pillar-sec__h{font-size:1.2rem;font-weight:700;color:var(--gray-900);margin-bottom:16px}.subcat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:8px}.subcat-card{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:var(--surface);border:1px solid var(--gray-200);border-radius:var(--r-sm);text-decoration:none;transition:border-color var(--ease)}.subcat-card:hover{border-color:var(--blue);text-decoration:none}.subcat-card__name{font-size:.88rem;font-weight:500;color:var(--gray-800)}.subcat-card__cnt{font-size:.75rem;color:var(--gray-400);white-space:nowrap}.intent-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:8px}.intent-card{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;background:var(--surface);border:1px solid var(--gray-200);border-radius:var(--r-sm);text-decoration:none;transition:border-color var(--ease)}.intent-card:hover{border-color:var(--blue);text-decoration:none}.intent-card__title{font-size:.85rem;font-weight:500;color:var(--gray-800)}.intent-card__cnt{font-size:.72rem;color:var(--gray-400);white-space:nowrap}.brand-grid{display:flex;flex-wrap:wrap;gap:8px}.brand-pill{display:inline-flex;align-items:center;gap:4px;padding:8px 14px;background:var(--gray-100);border-radius:var(--r-sm);font-size:.82rem;font-weight:500;color:var(--gray-600)}.brand-pill small{font-size:.72rem;color:var(--gray-400);font-weight:400}.pillar-more{margin-top:8px}.pillar-more summary{font-size:.85rem;font-weight:600;color:var(--blue);cursor:pointer;padding:8px 0}.pillar-more summary:hover{text-decoration:underline}@media(max-width:768px){.pillar-header__icon{width:44px;height:44px}.pillar-header__icon svg{width:22px;height:22px}.toc__list{flex-direction:column;gap:6px}.subcat-grid,.intent-grid{grid-template-columns:1fr}}