如何使用CSS制作无缝滚动的文字轮播的效果

/* HTML结构 */
<div class="slider">
    <ul class="slide-list">
        <li class="slide-item">Text 1</li>
        <li class="slide-item">Text 2</li>
        <li class="slide-item">Text 3</li>
        <li class="slide-item">Text 4</li>
    </ul>
</div>

/* CSS样式 */
.slider {
    width: 300px;
    height: 100px;
    overflow: hidden;
}

.slide-list {
    position: relative;
    list-style: none;
    padding: 0;
    margin: 0;
    animation: slide 10s infinite linear;
}

.slide-item {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    white-space: nowrap;
    animation: fade 10s infinite;
}

@keyframes fade {
    0% {
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    80% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}

@keyframes slide {
    0% {
        transform: translateY(0);
    }
    20% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-100%);
    }
    80% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(0);
    }
}