创造动态发光文字效果：纯CSS实现指南

nth-of-type(3) { ... } .aurora__item:nth-of-type(4) { ... } @keyframes aurora-1 { ... } @keyframes aurora background-color: var(--clr-3); right: 0; top: 0; animation: aurora-border 6s ease-in-out infinite, aurora } 75% { top: 100%; right: 25%; } 100% { top: 0; right: 0; } } @keyframes aurora