/* 补充样式，可根据需要自定义 */
.site-card {
    transition: all 0.3s ease;
}

.site-card.online {
    border-left: 4px solid #4CAF50;
}

.site-card.offline {
    border-left: 4px solid #f44336;
}

.status-badge {
    transition: all 0.3s ease;
}

.refresh-btn {
    transition: background 0.3s ease;
}

.refresh-btn:hover {
    background: #5a67d8;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.updating .site-card {
    animation: pulse 1s infinite;
}