/* ========================================
   统一底部导航
   ======================================== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    display: flex;
    justify-content: space-around;
    padding: 8px 0;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.06);
    z-index: 1000;
}

.nav-item {
    text-align: center;
    color: #999;
    text-decoration: none;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    -webkit-tap-highlight-color: transparent;
}

.nav-item.active {
    color: #006241;
    font-weight: 600;
}

.nav-icon {
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.nav-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, #006241 0%, #00704A 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: white;
    font-size: 14px;
}

.nav-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.nav-text {
    font-size: 10px;
    line-height: 1.2;
}

/* 为有底部导航的页面预留空间 */
body.has-bottom-nav {
    padding-bottom: 70px;
}