.bnb-nav-bar {
    position: fixed;
    bottom: 0;
    width: 100%;
    background: #fff;
    border-top: 3px solid #800080;
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    z-index: 9999;
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
}
.bnb-nav-item {
    text-align: center;
    text-decoration: none;
    color: #000;
    flex: 1;
}
.bnb-nav-item .bnb-icon {
    display: block;
    font-size: 20px;
}
.bnb-nav-item .bnb-label {
    display: block;
    font-size: 12px;
}
.bnb-active {
    color: #800080;
}
.bnb-popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    border: 2px solid #800080;
    padding: 20px;
    z-index: 10000;
}
.bnb-popup-inner {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
.bnb-popup-item {
    padding: 10px;
    text-align: center;
    text-decoration: none;
    border: 1px solid #800080;
    border-radius: 6px;
}
.bnb-close-popup {
    position: absolute;
    top: 5px; right: 5px;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
}