/* 底部导航条 */
body {
    padding-bottom: calc(56px + constant(safe-area-inset-bottom));
    padding-bottom: calc(56px + env(safe-area-inset-bottom));
}

.foot-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99;
    display: flex;
    height: 56px;
    padding-bottom: constant(safe-area-inset-bottom);
    padding-bottom: env(safe-area-inset-bottom);
    background: #f5f5f5;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, .06);
}

.foot-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #9aa3b2;
    font-size: 11px;
    text-decoration: none;
}

.foot-nav-item svg {
    width: 22px;
    height: 22px;
    margin-bottom: 2px;
}

.foot-nav-item.active {
    color: #2f7cf6;
}