Как обратиться к другому элементу при событии другого Css

 .sub-category{
    position: relative;
    padding-left: 19px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}
.sub-category a:hover{
    color: #fff;
}
.sub-category a::before{
    content: '';
    width: 4px;
    height: 4px;
    background: #a5a5a5;
    border-radius: 50%;
    position: absolute;
    top: 40%;
    right: 96%;
}

.languages-category{
    width: fit-content;
    height: fit-content;
    display: flex;
    margin-left: 10px;
}
.title-sub-category{
    display: flex;
    justify-content: space-between;
}
.title-sub-category button{
    width: 25px;
    height: auto;
    background-image: url('../img/is-visible.svg');
    background-repeat: no-repeat;
    background-position: center;
    background-color: transparent;
}
.language-category{
    width: fit-content;
    height: 25px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    background: #333333;
    color: #acacac;
    justify-content: center;
    margin-left: 5px;
    padding: 0px 7px;
}
.one, .three, .two, .four, .five, .six, .seven {
    display: none;
}
.sub-category:nth-child(2):hover ~ .one{