.knowledge-points-show{
        padding: 20px;
    }
    .knowledge-points-show .question-item {
        padding: 15px;
        margin: 5px;
        border-radius: 5px;
        border-left: 3px solid #3498db;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    }