/* Skin 1 - 首页 */
.hub-grid { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.hub-card { transition: transform 0.3s ease, box-shadow 0.3s ease; }
.hub-card:hover { transform: scale(1.02); box-shadow: 0 12px 40px rgba(0,0,0,0.15); }
.filter-bar { display: flex; gap: 12px; padding: 16px 0; border-bottom: 1px solid #E5E7EB; margin-bottom: 24px; }