.codebox-wrapper {
    margin: 20px 0;
    border: 1px solid #e1e1e1;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.codebox-content {
    display: block;
    margin: 0;
    padding: 15px;
    background: #f8f8f8;
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    white-space: pre;
    overflow-x: auto;
    border-left: 4px solid #0073aa;
}

.codebox-content:empty::before {
    content: "";
    color: #999;
}

.copy-btn::after {
    content: '复制';
    margin-left: 4px;
    font-size: 12px;
}