dify-web/app/components/billing/upgrade-btn/style.module.css

.upgradeBtn {
  background: linear-gradient(99deg, rgba(255, 255, 255, 0.12) 7.16%, rgba(255, 255, 255, 0.00) 85.47%), linear-gradient(280deg, #00B2FF 12.96%, #132BFF 90.95%);
  box-shadow: 0px 2px 4px -2px rgba(16, 24, 40, 0.06), 0px 4px 8px -2px rgba(0, 162, 253, 0.12);

}
.upgradeBtn:hover {
  background: linear-gradient(99deg, rgba(255, 255, 255, 0.12) 7.16%, rgba(255, 255, 255, 0.00) 85.47%), linear-gradient(280deg, #02C2FF 12.96%, #001AFF 90.95%);
  box-shadow: 0px 4px 6px -2px rgba(16, 18, 40, 0.08), 0px 12px 16px -4px rgba(0, 209, 255, 0.08);
}