body {
    background: #f5f5f5;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.card {
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-text {
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    color: #6c757d;
}

.text-truncate {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
    padding: 0.375rem 1rem;
    font-size: 0.875rem;
    border-radius: 4px;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

.btn-outline-primary {
    padding: 0.375rem 1rem;
    font-size: 0.875rem;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}

.container {
    max-width: 1200px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .card-title {
        font-size: 1rem;
    }
    .btn-primary, .btn-outline-primary {
        padding: 0.25rem 0.75rem;
        font-size: 0.8rem;
    }
}

/* 美化表单控件 */
.form-control:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.2rem rgba(13,110,253,0.25);
}