.dropdown {
    background-color: unset;
}
.dropdown-item {
    text-align: left;
    color: white;
    background-color: rgba(120, 80, 57, 0.9);
    width: 154px;
}
.dropdown-item:hover {
    color: #785039;
}
.nav-link {
    padding: 6px 12px;
    border-bottom: 4px solid #785039;
}
.nav-link.active {
    border-bottom-color: white;
}
.nav-link:hover {
    border-bottom-color: white;
}
.nav-menu {
    display: grid;
}

/* 手机端菜单 */
.accordion-item {}

.accordion-header {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header::after {
    content: '=';
    font-size: 1.2em;
    transition: transform 0.3s;
}

.accordion-header.active::after {
    content: '−';
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: #fff;
}

.accordion-content.show {
    max-height: 500px; /* 根据内容调整 */
}

.accordion-content a {
    display: block;
    text-decoration: none;
    color: #333;
}