.bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: 60px;
    background: #fff;
    border-top: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.04);
}
.bottom-nav-item {
    flex: 1;
    text-align: center;
    color: #2a7be4;
    text-decoration: none;
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    transition: background 0.2s;
}
.bottom-nav-item:active, .bottom-nav-item.active {
    background: #e5e8ec;
    color: #111;
}
.bottom-nav-icon {
    font-size: 1.4rem;
    line-height: 1;
}
.bottom-nav-label {
    font-size: 0.8rem;
    margin-top: 2px;
}
@media (min-width: 700px) {
    .bottom-nav {
        display: none;
    }
}