a {
    text-decoration: none;
    color: var(--bs-body-bg);
    cursor: pointer;
    
}
.nav {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}
.nav-ul {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}
.nav-ul-li {
    transition: 0.3s;
    cursor: pointer;
}
.nav-ul-li:hover {
    opacity: 0.5;
}
.nav-ul-li.selected .nav-link {
    opacity: 0.3;
}
.nav-ul-li.active-page a {
    cursor: default;
}
.nav-ul-li a {
    color: var(--bs-body-color);
}

.dropdown-toggle {
    cursor: pointer;
}
.main-wrapper-uslugi.visible, .main-wrapper-bolshe.visible {
    visibility: visible;
    opacity: 1;
}
.main-wrapper-uslugi {
    width: 100%;
    position: absolute;
    top: 60px;
    left: 50%;
    transform: translate(-50%,0);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    visibility: hidden;
    opacity: 0;
    transition: 0.3s;
}
.main-wrapper-bolshe {
    width: 100%;
    position: absolute;
    top: 60px;
    left: 50%;
    transform: translate(-50%,0);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    visibility: hidden;
    opacity: 0;
    transition: 0.3s;
}
.dropdown-wrapper {
    min-width: 20%;
    color: var(--bs-body-bg);
    z-index: 100;
    display: block;
    background-color: var(--bs-body-color);
    border-radius: 15px;
}
.dropdown-header {
    display: none;
    justify-content: center;
    align-items: center;
    height: 50px;
    border-bottom: solid 1px rgba(160, 160, 160, 0.3);
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
    font-size: 20px;
    background-color: var(--bs-body-color);
    color: var(--bs-body-bg);
}
.main-wrapper-uslugi .dropdown-content {
    padding: 10px 0;
    background-color: var(--bs-body-color);
    overflow-y: auto;
    border-radius: 15px;
    padding-bottom: 20px;
}
.main-wrapper-bolshe .dropdown-content {
    padding: 10px 0;
    background-color: var(--bs-body-color);
    border-radius: 15px;
    flex-direction: column;
    column-count: 2;
    padding-bottom: 20px;
}
.dropdown-li {
    padding: 10px 30px;
    line-height: 1;
}
.dropdown-a {
    transition: 0.3s;
}
.dropdown-a:hover {
    filter: opacity(0.5);
}
.dropdown-footer {
    display: none;
    justify-content: center;
    align-items: center;
    height: 50px;
    border-top: solid 1px rgba(160, 160, 160, 0.3);
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
    background-color: var(--bs-body-color);
    color: var(--bs-body-bg);
}
.dropdown-close-uslugi, .dropdown-close-bolshe {
    filter: opacity(0.5);
    cursor: pointer;
}






@media screen and (max-width:992px) {
    .dropdown-wrapper {
        width: 90%;
    }
    .dropdown-header {
        display: flex;
    }
    .dropdown-content {
        border-radius: initial;
        max-height: 70dvh;
    }
    .dropdown-footer {
        display: flex;
    }
    .main-wrapper-bolshe .dropdown-content {
        flex-direction: unset;
        column-count: unset;
        overflow-y: auto;
        height: 60vh;
    }
    .main-wrapper-uslugi, .main-wrapper-bolshe {
        transform: translate(-50%,0) !important;
    }

/* аккордеон */
    #collapseOne.collapse:not(.show) {
     display: none;
    }
  
    #collapseOne.collapse.show {
      max-height: 70vh;
    }

/* аккордеон */

}