💡 CSS 霓虹文字生成器

.neon-text {
  color: #22d3ee;
  text-shadow: 0 0 4px #22d3ee, 0 0 8px #22d3ee, 0 0 16px #22d3ee, 0 0 32px #22d3ee;
  animation: flicker 2s infinite alternate;
}