.qdm-knowledge-wrapper {
    background: #ffffff;
    padding: 24px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}
.qdm-knowledge-title {
    margin-top: 0;
    font-size: 18px;
    font-weight: 700;
    color: #0f172a;
}
.qdm-knowledge-desc {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 20px;
}
.qdm-knowledge-box {
    background: #f8fafc;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    border: 1px dashed #cbd5e1;
}
.qdm-knowledge-text {
    color: #64748b;
    font-size: 14px;
    margin: 0;
}