body{font-family:Arial,sans-serif;background:#eef3fa;margin:0}header{background:#1565c0;color:#fff;padding:20px}main{max-width:1100px;margin:auto;padding:20px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.card{background:#fff;padding:20px;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.1);cursor:pointer}.search{width:100%;padding:12px;margin:20px 0}.breadcrumb{margin:10px 0}.button{padding:10px 16px}