/* --- Basic Styles --- */
    :root {
        /* Industrial Theme */
        --primary-color: #2c3e50; /* Dark Slate */
        --accent-color: #3498db; /* Electric Blue */
        --bg-light: #f8f9fa;
        --border-color: #ecf0f1;
        --text-dark: #333;
        --text-light: #555;
    }

    body {
        font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        color: var(--text-dark);
        line-height: 1.6;
        margin: 0;
        padding: 20px;
        background-color: #fff;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
    }

    /* --- Header Section --- */
    .product-header {
        border-bottom: 3px solid var(--accent-color);
        padding-bottom: 20px;
        margin-bottom: 30px;
    }

    .product-header h1 {
        color: var(--primary-color);
        font-size: 32px;
        margin: 0 0 10px 0;
    }

    /* --- Layout Grid --- */
    .content-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 40px;
        margin-bottom: 50px;
    }

    @media (min-width: 992px) {
        .content-grid {
            grid-template-columns: 2fr 1fr;
        }
    }

    /* --- Features & Description --- */
    .intro-text {
        font-size: 16px;
        margin-bottom: 20px;
        text-align: justify;
    }

    .features-box {
        background: var(--bg-light);
        padding: 25px;
        border-radius: 8px;
        border-left: 5px solid var(--primary-color);
        margin-bottom: 20px;
    }

    .features-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .features-list li {
        margin-bottom: 12px;
        padding-left: 25px;
        position: relative;
    }

    .features-list li::before {
        content: "✓";
        color: var(--accent-color);
        font-weight: bold;
        position: absolute;
        left: 0;
    }

    /* --- Image Section --- */
    .image-wrapper {
        text-align: center;
        border: 1px solid var(--border-color);
        padding: 10px;
        border-radius: 8px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.05);
        background: #fff;
    }

    .image-wrapper img {
        width: 100%;
        height: auto;
    }

    /* --- Technical Table Section --- */
    .tech-section {
        margin-top: 40px;
    }

    .section-title {
        font-size: 24px;
        color: var(--primary-color);
        margin-bottom: 20px;
        font-weight: 700;
        border-bottom: 2px solid var(--accent-color);
        display: inline-block;
        padding-bottom: 5px;
    }

    .diagram-note {
        text-align: center;
        margin-bottom: 20px;
        font-style: italic;
        color: var(--text-light);
        background: #fff;
        padding: 15px;
        border: 1px dashed #ccc;
    }

    .table-container {
        width: 100%;
        overflow-x: auto;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        border-radius: 8px;
        border: 1px solid #ddd;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        min-width: 1200px;
        font-size: 13px;
        background: #fff;
    }

    th {
        background-color: var(--primary-color);
        color: #fff;
        padding: 10px 5px;
        text-align: center;
        border: 1px solid #1a252f;
        vertical-align: middle;
    }

    td {
        padding: 8px 5px;
        border: 1px solid #eee;
        text-align: center;
        color: #555;
    }

    tbody tr:nth-child(even) {
        background-color: var(--bg-light);
    }

    tbody tr:hover {
        background-color: #e2e6ea;
    }

    /* --- Selection Table Specifics --- */
    .selection-table th {
        background-color: var(--accent-color);
        border: 1px solid #2980b9;
    }