/* Header visual mengikuti gulir halaman. Tidak mengubah perilaku scroll internal tabel. */
body.page-products .gas-window-catalogue-head {
  display: none;
  position: fixed;
  z-index: 44; /* di bawah header situs (60) dan filter (45) */
  overflow: hidden;
  pointer-events: none;
  box-sizing: border-box;
  background: #646464;
  color: #fff;
}
body.page-products .gas-window-catalogue-head.is-visible { display: block; }
body.page-products .gas-window-catalogue-head-inner {
  display: grid;
  align-items: stretch;
  box-sizing: border-box;
  background: #646464;
  color: #fff;
  font: 700 14px/1.35 Arial, Helvetica, sans-serif;
  letter-spacing: 0;
}
body.page-products .gas-window-catalogue-head-inner > span {
  display: flex;
  align-items: center;
  box-sizing: border-box;
  min-width: 0;
  padding: 14px;
  text-align: left;
}
@media (max-width: 620px) {
  body.page-products .gas-window-catalogue-head-inner { font-size: 13px; }
  body.page-products .gas-window-catalogue-head-inner > span { padding: 11px 10px; }
}