.nav-mx {
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {

    .nav-mx {
        margin-left: 30px;
    }

}

.nav-title {
    font-size: 1.5rem;
}

.navbar-collapse .nav-link {
    font-weight: bold;
    color: #000 !important;  /* 黑色文字 */
}

.navbar .nav-link.active {
    color: orange !important;  /* 橘黃色 */
    border-bottom: 2px solid orange;  /* 可選：讓底線強調選中狀態 */
}

@media (max-width: 768px) {
    .full-width-collapse .navbar-nav {
        align-items: center;
        margin-top: 30px;
        margin-bottom: 30px;
    }

    .full-width-collapse .nav-link {
        margin-top: 8px;
        margin-bottom: 8px;
    }

}