.wc-proceed-to-checkout.sticky-mobile {
  position: fixed !important;
  inset-inline: 0;
  bottom: 60px;
  width: 100%;
  z-index: 350;
  background: #fff;
  padding: 10px;
  box-shadow: 0 -2px 10px rgba(0,0,0,.1);
  display: none;
}
.wc-proceed-to-checkout.sticky-mobile .checkout-button {
  display: block !important;
  width: 100% !important;
  padding: 15px !important;
  background: linear-gradient(135deg, #0e4119, #28a745) !important;
  color: #fff !important;
  font-size: 16px !important;
  font-weight: 800 !important;
  text-align: center !important;
  border-radius: 10px !important;
  margin: 0 !important;
  border: none !important;
  transition: transform .15s ease, box-shadow .15s ease !important;
}
.wc-proceed-to-checkout.sticky-mobile .checkout-button:hover {
  transform: translateY(-1px) !important;
  box-shadow: 0 8px 20px rgba(14,65,25,.35) !important;
  color: #fff !important;
}
@media (max-width: 768px) {
  .wc-proceed-to-checkout.sticky-mobile { display: block; }
  body.woocommerce-cart { padding-bottom: 80px; }
}