body .t-store__parts-switch-btn {
  cursor: pointer;
  display: inline-block;
  position: relative;

  background: #ffffff;
  border: 1px solid #E7E7E9;
  border-radius: 25px;
  padding: 14px 40px;
  margin: 3px 4px;
  transition: background-color .18s ease, border-color .18s ease;
  outline: none;
}

/* Наведение */
body .t-store__parts-switch-btn:hover {
  background-color: #E7E7E9;
  border-color: #E7E7E9;
}

/* Активная кнопка (по логике Tilda Store) */
body .t-store__parts-switch-btn.t-active {
  background-color: #E7E7E9 !important;
  border-color: #E7E7E9 !important;
}