:root {
    --bs-border-radius: 8px;
}

body {
    background-color: #f8f9fa;
    font-size: 14px;
}

.card {
    border-radius: 10px;
}

.table > :not(caption) > * > * {
    padding: .5rem .75rem;
}

.nav-tabs .nav-link {
    color: #6c757d;
}

.nav-tabs .nav-link.active {
    color: #dc3545;
    border-bottom-color: #dc3545;
    font-weight: 600;
}

.badge {
    font-weight: 500;
}

/* 拖拽区域 hover */
#dropZone:hover {
    border-color: #dc3545 !important;
    background: #fff5f5;
}