.liquid-glass {
  position: relative;
  background: rgba(255, 255, 255, 0.443); /* ลดความเข้มเล็กน้อยให้โปร่งมากขึ้น */
  border-radius: 10px;
  padding: 24px 32px;

  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid rgba(197, 197, 197, 0.554); /* ขอบเด่นขึ้น */
  overflow: hidden;
  z-index: 1;
  color: #333;
  box-shadow: 10px 15px 40px rgba(1, 1, 1, 0.269);
}

/* ชั้นเงาเหลวเคลื่อนไหว */
.liquid-glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 24px;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.6),
    rgba(255, 255, 255, 0.25),
    rgba(180, 220, 255, 0.4)
  );
  filter: blur(28px);
  z-index: -1;
  opacity: 1;
  animation: glassWave 8s ease-in-out infinite alternate;
}

/* แสงสะท้อนเงา */
.liquid-glass::after {
  content: "";
  position: absolute;
  top: -40%;
  left: -40%;
  width: 180%;
  height: 180%;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(255, 255, 255, 0.6),
    rgba(255, 255, 255, 0)
  );
  opacity: 0.6;
  pointer-events: none;
  mix-blend-mode: screen;
  animation: glassHighlight 12s ease-in-out infinite alternate;
}

/* ตัวอย่าง keyframes สำหรับ animation */
@keyframes glassWave {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(10px, 10px) scale(1.05); }
  100% { transform: translate(0, 0) scale(1); }
}

@keyframes glassHighlight {
  0% { transform: translate(0,0) rotate(0deg); }
  50% { transform: translate(15px, 15px) rotate(45deg); }
  100% { transform: translate(0,0) rotate(0deg); }
}