.top-menu-ai * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: transparent;
}

.top-menu-ai nav {
    background-color: transparent;
    font-family: Arial, sans-serif;
}

.top-menu-ai .nav-menu {
    list-style: none;
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
}

.top-menu-ai .nav-item {
    position: relative;
}

.top-menu-ai .nav-link {
    color: #333;
    text-decoration: none;
    padding: 1rem 1.5rem;
    display: block;
    transition: background-color 0.3s ease;
}

    .top-menu-ai .nav-link:hover {
        background-color: #EEE;
    }

.top-menu-ai .submenu {
    position: absolute;
    background-color: #FFF;
    width: 200px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    display: none;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 99;
    border: 1px solid #DDD;
}

    .top-menu-ai .submenu::before {
        content: '';
        position: absolute;
        top: -10px;
        left: -10px;
        right: -10px;
        bottom: -10px;
        z-index: -1;
    }

    .top-menu-ai .submenu .submenu {
        left: 100%;
        top: 0;
        transform: translateX(-10px);
    }
    .rtl .top-menu-ai .submenu .submenu {
        right: 100%;
        left:initial;
        top: 0;
        transform: translateX(-10px);
    }


        .top-menu-ai .submenu .submenu .submenu {
            background: #DDD;
        }

    .top-menu-ai .submenu .nav-link {
        padding: 0.8rem 1.5rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

        .top-menu-ai .submenu .nav-link.highlight {
            background-color: yellow;
        }

        .top-menu-ai .submenu .nav-link:hover {
            background-color: #DDD;
        }

    .top-menu-ai .submenu .submenu .nav-link:hover {
        background-color: #CCC;
    }

.top-menu-ai .has-submenu > .nav-link:after {
    content: '▼';
    font-size: 0.8em;
    margin-left: 0.5em;
    color: #666;
}

.top-menu-ai .submenu .has-submenu > .nav-link:after {
    content: '▶';
    color: #666;
}

.rtl .top-menu-ai .submenu .has-submenu > .nav-link:after {
    content: '◀';
    color: #666;
}


.top-menu-ai .nav-item.active > .nav-link {
    background-color: #EEE;
}

.top-menu-ai .submenu .nav-item.active > .nav-link {
    background-color: #DDD;
}

.top-menu-ai .nav-item.active > .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    display:block;
}

.top-menu-ai .submenu .nav-item.active > .submenu {
    transform: translateX(0);
}