网页滚动文字css

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>滚动文字示例</title>
    <style>
        .scroll-text {
            width: 100%;
            overflow: hidden;
            white-space: nowrap;
        }
        .scroll-text span {
            display: inline-block;
            padding-left: 100%;
            animation: scroll 15s linear infinite;
        }
        @keyframes scroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(-100%); }
        }
    </style>
</head>
<body>
    <div class="scroll-text">
        <span>这是一段水平滚动的文字示例，欢迎来到我们的网站！</span>
    </div>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>滚动文字示例</title>
    <style>
        .scroll-text {
            width: 100%;
            height: 50px;
            overflow: hidden;
            position: relative;
        }
        .scroll-text span {
            position: absolute;
            white-space: nowrap;
        }
    </style>
</head>
<body>
    <div class="scroll-text">
        <span>这是一段垂直滚动的文字示例，欢迎来到我们的网站！</span>
    </div>
    <script>
        const textElement = document.querySelector('.scroll-text span');
        let speed = 1;
        function scrollText() {
            const currentTop = parseInt(textElement.style.top, 10);
            if (currentTop <= -textElement.offsetHeight) {
                textElement.style.top = `${window.innerHeight}px`;
            } else {
                textElement.style.top = `${currentTop - speed}px`;
            }
            requestAnimationFrame(scrollText);
        }
        scrollText();
    </script>
</body>
</html>