
/* Extracted from vps.html */
function switchTab_vps(tabKey, btn) {
          document.getElementById('grid_vps_regular').style.display = 'none';
          document.getElementById('grid_vps_cpu_intensive').style.display = 'none';

          document.querySelectorAll('.budget-card').forEach(b => b.classList.remove('active'));

          var targetId = 'grid_vps_' + tabKey.replace('-', '_');
          var targetGrid = document.getElementById(targetId);
          if (targetGrid) {
            targetGrid.style.display = 'block';
          }
          btn.classList.add('active');
        }
