/* 动画效果 */
@keyframes simpleGlow {
    from {
        text-shadow: 0 0 10px rgba(0, 123, 255, 0.5);
    }
    to {
        text-shadow: 0 0 20px rgba(0, 123, 255, 0.8);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, 10px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}