:root {
            --primary: #2A5CAA;
            --primary-light: #4A7CC8;
            --secondary: #F5F7FA;
            --accent: #FF6B35;
            --text: #333333;
            --text-light: #555555;
            --border: #E0E0E0;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 8px;
            --transition: all 0.3s ease;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: 'Roboto', sans-serif;
            line-height: 1.6;
            color: var(--text);
            background-color: white;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Hero Section */
        .hero-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--secondary) 0%, white 100%);
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero-text {
            padding-right: 30px;
        }

        .hero-title {
            font-family: 'Montserrat', sans-serif;
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 25px;
            line-height: 1.2;
        }

        .hero-description {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: 30px;
        }

        .hero-image {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            max-width: 100%;
            height: auto;
        }

        .hero-features ul {
            list-style: none;
            columns: 2;
            margin-bottom: 30px;
        }

        .hero-features li {
            padding: 8px 0;
            display: flex;
            align-items: center;
        }

        .hero-features li::before {
            content: "✔";
            color: var(--accent);
            margin-right: 10px;
            font-weight: bold;
        }

        /* Section Title */
        .section-title {
            font-family: 'Montserrat', sans-serif;
            font-size: 2rem;
            text-align: center;
            margin-bottom: 50px;
            color: var(--primary);
            position: relative;
        }

        .section-title:after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: var(--primary);
            margin: 15px auto 0;
        }

        /* Features Section */
        .feature-section {
            padding: 60px 0;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .feature-card {
            background: white;
            padding: 30px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border);
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
        }

        .feature-card h3 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.3rem;
        }

        .feature-card p {
            color: var(--text-light);
        }

        /* Technical Specifications */
        .specs-section {
            background-color: var(--secondary);
            padding: 60px 0;
        }

        .specs-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            background: white;
            padding: 30px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }

        .spec-item {
            display: flex;
            justify-content: space-between;
            padding: 15px 0;
            border-bottom: 1px solid var(--border);
        }

        .spec-label {
            font-weight: 500;
            color: var(--primary);
        }

        /* Compatibility Section */
        .compatibility-section {
            padding: 60px 0;
        }

        .platform-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .platform-item {
            background: white;
            border-radius: var(--radius);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .platform-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
        }

        .platform-item a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            display: block;
        }

        .platform-item a:hover {
            text-decoration: underline;
        }

        /* Applications Section */
        .applications-section {
            padding: 60px 0;
            background-color: var(--secondary);
        }

        .applications-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .application-card {
            text-align: center;
            padding: 25px;
            background: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .application-card:hover {
            transform: translateY(-5px);
        }

        /* Pin Functions Table */
        .pin-section {
            padding: 60px 0;
        }

        .pin-table-container {
            overflow-x: auto;
            margin-top: 30px;
            box-shadow: var(--shadow);
            border-radius: var(--radius);
        }

        .pin-table {
            width: 100%;
            border-collapse: collapse;
            background-color: white;
        }

        .pin-table th, .pin-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }

        .pin-table th {
            background-color: var(--primary);
            color: white;
            font-weight: 600;
        }

        .pin-table tr:last-child td {
            border-bottom: none;
        }

        .pin-table tr:hover {
            background-color: rgba(42, 92, 170, 0.03);
        }

        /* Connection Steps */
        .connection-section {
            padding: 60px 0;
            background-color: var(--secondary);
        }

        .connection-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .step {
            background-color: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .step img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .step-content {
            padding: 20px;
        }

        .step-number {
            display: inline-block;
            background-color: var(--primary);
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            text-align: center;
            line-height: 30px;
            margin-bottom: 15px;
            font-weight: 600;
        }

        /* Driver Boards */
        .driver-section {
            padding: 60px 0;
        }

        .driver-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .driver-card {
            background: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            display: grid;
            grid-template-columns: 1fr 1.5fr;
        }

        .driver-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.12);
        }

        .driver-visual {
            position: relative;
            padding: 20px;
            background: #f8f9fa;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .driver-image {
            width: 100%;
            height: 180px;
            object-fit: contain;
            transition: transform 0.3s ease;
        }

        .driver-info {
            padding: 30px 25px;
            position: relative;
        }

        .driver-name {
            color: var(--primary);
            font-size: 1.4rem;
            margin-bottom: 12px;
            font-family: 'Montserrat', sans-serif;
        }

        .driver-desc {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .driver-link {
            display: inline-flex;
            align-items: center;
            color: var(--accent);
            font-weight: 500;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .driver-link:hover {
            color: var(--primary-light);
        }

        .driver-link::after {
            content: "→";
            margin-left: 8px;
            transition: transform 0.3s ease;
        }

        .driver-link:hover::after {
            transform: translateX(3px);
        }

        /* Files & Downloads */
        .downloads-section {
            padding: 60px 0;
            background-color: var(--secondary);
        }

        .download-list {
            list-style: none;
            max-width: 800px;
            margin: 0 auto;
        }

        .download-item {
            margin-bottom: 15px;
        }

        .download-link {
            display: flex;
            align-items: center;
            padding: 15px 25px;
            background: white;
            border-radius: var(--radius);
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }

        .download-link:hover {
            transform: translateX(10px);
            background: var(--primary);
            color: white;
        }

        /* Eco Section */
        .eco-section {
            padding: 60px 0;
            background: white;
        }

        .eco-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .eco-card {
            text-align: center;
            padding: 30px;
            background: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }

        .eco-card img {
            width: 80px;
            height: 80px;
            margin-bottom: 20px;
        }

        /* About Section */
        .about-section {
            padding: 80px 0;
            background: var(--secondary);
            text-align: center;
        }

        .about-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .contact-button {
            display: inline-block;
            margin-top: 30px;
            padding: 15px 40px;
            background: var(--primary);
            color: white;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
        }

        .contact-button:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
            
            .hero-text {
                padding-right: 0;
            }
            
            .hero-title {
                font-size: 2rem;
            }

            .driver-card {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.8rem;
            }
            
            .hero-title {
                font-size: 1.8rem;
            }

            .hero-features ul {
                columns: 1;
            }

            .driver-image {
                height: 150px;
            }
        }