dedecms下拉菜单不对齐

/* 示例：确保下拉菜单的对齐方式 */
.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    border: 1px solid #ccc;
    padding: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.dropdown-menu li {
    list-style: none;
    padding: 5px 0;
}

.dropdown-menu li a {
    text-decoration: none;
    color: #333;
}

<!-- 示例：正确的 HTML 结构 -->
<ul class="dropdown-menu">
    <li><a href="#">菜单项1</a></li>
    <li><a href="#">菜单项2</a>
        <ul class="dropdown-menu">
            <li><a href="#">子菜单项1</a></li>
            <li><a href="#">子菜单项2</a></li>
        </ul>
    </li>
    <li><a href="#">菜单项3</a></li>
</ul>

// 示例：JavaScript 代码
document.addEventListener('DOMContentLoaded', function() {
    var dropdowns = document.querySelectorAll('.dropdown-menu');
    dropdowns.forEach(function(dropdown) {
        var parent = dropdown.parentElement;
        parent.addEventListener('click', function(event) {
            event.stopPropagation();
            dropdown.style.display = dropdown.style.display === 'block' ? 'none' : 'block';
        });
    });
});