body {
    background-color: #f8f9fa;
    font-family: 'Microsoft YaHei', Arial, sans-serif;
}

.card {
    border-radius: 8px;
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card-header {
    border-radius: 8px 8px 0 0 !important;
}

.btn {
    border-radius: 4px;
}

.form-control, .form-select {
    border-radius: 4px;
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.25rem;
}

.table {
    margin-bottom: 0;
}

.progress {
    border-radius: 4px;
}

.badge {
    padding: 0.35em 0.65em;
}