form.cart .quantity,
.woocommerce-cart-form .quantity {
  display: inline-flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 0 !important;
}
form.cart .quantity input.qty,
.woocommerce-cart-form .quantity input.qty {
  padding: 8px 10px;
  font-size: 16px;
  text-align: center;
  min-width: 6.2rem;
  max-width: 8rem;
  border-left: 0;
  border-right: 0;
  border-radius: 0;
}
.sytq-btn {
  width: 2.6rem;
  height: 2.6rem;
  line-height: 2.4rem;
  font-size: 1.1rem;
  border: 1px solid rgba(0,0,0,.12);
  background: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  user-select: none;
}
.sytq-minus { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.sytq-plus  { border-top-left-radius: 0;  border-bottom-left-radius: 0; }
.sytq-btn:hover { background: #f6f7f9; }
@media (max-width: 480px) {
  form.cart .quantity input.qty,
  .woocommerce-cart-form .quantity input.qty {
    min-width: 5.2rem;
    max-width: 6.4rem;
    font-size: 14px;
  }
  .sytq-btn { width: 2.3rem; height: 2.3rem; line-height: 2.1rem; font-size: 1rem; }
}