/* --- 兩欄排版 (左文右圖) --- */
    .two-col-grid {
        display: flex;
        gap: 30px;
        align-items: flex-start;
        margin-bottom: 20px;
    }

    .text-col {
        flex: 1;
        /* 文字佔滿剩餘空間 */
        font-size: 1.05rem;
        line-height: 1.8;
        color: #ddd;
    }

    .img-col {
        width: 350px;
        /* 固定圖片欄寬度 */
        flex-shrink: 0;
    }

    /* --- 手機版變成上下排列 --- */
    @media (max-width: 900px) {
        .two-col-grid {
            flex-direction: column;
        }

        .img-col {
            width: 100%;
            /* 圖片滿寬 */
            max-width: 400px;
            /* 但不要太大 */
            margin: 0 auto;
            /* 置中 */
        }
    }

    /* --- 步驟列表 --- */
    .step-list {
        padding-left: 20px;
        color: #ccc;
    }

    .step-list li {
        margin-bottom: 8px;
    }

    /* --- 代碼區塊 (指令教學用) --- */
    .code-block-title {
        font-size: 0.9rem;
        color: var(--primary-gold, #fbb750);
        margin-top: 15px;
        margin-bottom: 5px;
        font-weight: bold;
    }

    .code-block {
        background: #111;
        border: 1px solid #444;
        border-left: 3px solid var(--accent-red, #d7423c);
        padding: 10px 15px;
        font-family: monospace;
        color: #aaddff;
        font-size: 0.95rem;
        border-radius: 4px;
        word-break: break-all;
    }

    .code-block .comment {
        color: #666;
        /* 註解顏色 */
    }

    /* --- 檢查列表 (打勾/打叉) --- */
    .check-list {
        list-style: none;
        padding: 0;
    }

    .check-list li {
        margin-bottom: 10px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .check-list i {
        color: #28a745;
        /* 綠勾 */
    }

    .check-list i.text-red {
        color: #dc3545;
        /* 紅叉 */
    }

    /* --- 警示文字 --- */
    .warning-text {
        color: #ff5252;
        font-weight: bold;
        margin-top: 10px;
    }