.hub-hero{background:var(--surface);border-bottom:1px solid var(--border);padding:44px 0 32px}.hub-hero h1{font-family:var(--font-serif);color:var(--ink-900);letter-spacing:0;margin-bottom:8px;font-size:2.1rem;font-weight:700}.hub-hero p{color:var(--ink-600);max-width:68ch;font-size:1rem}.method-cat-grid{grid-template-columns:repeat(4,1fr);gap:18px;margin:32px 0 60px;display:grid}.method-cat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);flex-direction:column;justify-content:space-between;padding:22px;transition:all .2s cubic-bezier(.16,1,.3,1);display:flex}.method-cat-card:hover{border-color:var(--primary-500);box-shadow:var(--shadow-md);transform:translateY(-2px)}.cat-icon-wrap{background:var(--primary-50);width:40px;height:40px;color:var(--primary-600);border-radius:8px;justify-content:center;align-items:center;margin-bottom:14px;display:flex}.cat-card-title{color:var(--ink-900);margin-bottom:6px;font-size:1rem;font-weight:800}.cat-card-desc{color:var(--ink-500);flex:1;margin-bottom:14px;font-size:.7813rem;line-height:1.55}.cat-card-count{font-family:var(--font-mono);color:var(--primary-700);align-items:center;gap:4px;font-size:.75rem;font-weight:700;display:flex}@media (max-width:960px){.method-cat-grid{grid-template-columns:repeat(2,1fr)}}