教程

放到后台自定义css

.navbar-logo {
    background-image: linear-gradient(to right, red, blue); /* 修改渐变起始颜色和结束颜色 */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: hue 4s infinite;
}

@keyframes hue {
    from {
        filter: hue-rotate(0deg);
    }
    to {
        filter: hue-rotate(-360deg);
    }
}