css左右滑动菜单

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS Sliding Menu</title>
    <style>
        .menu {
            width: 100%;
            overflow: hidden;
            position: relative;
        }
        .menu-item {
            width: 100%;
            height: 50px;
            background-color: #f1f1f1;
            text-align: center;
            line-height: 50px;
            transition: transform 0.3s ease;
        }
        .menu-item:nth-child(1) { transform: translateX(-100%); }
        .menu-item:nth-child(2) { transform: translateX(-200%); }
        .menu-item:nth-child(3) { transform: translateX(-300%); }
        .menu-item.active {
            transform: translateX(0);
        }
        .menu-button {
            width: 50px;
            height: 50px;
            background-color: #ddd;
            position: absolute;
            top: 0;
            right: 0;
            cursor: pointer;
        }
    </style>
</head>
<body>
    <div class="menu">
        <div class="menu-item">Item 1</div>
        <div class="menu-item">Item 2</div>
        <div class="menu-item">Item 3</div>
        <div class="menu-button" onclick="toggleMenu()">☰</div>
    </div>

    <script>
        let isMenuOpen = false;
        function toggleMenu() {
            const items = document.querySelectorAll('.menu-item');
            items.forEach(item => {
                item.classList.toggle('active');
            });
            isMenuOpen = !isMenuOpen;
        }
    </script>
</body>
</html>