/* =========================================
           H-LIFT WIRE ROPE PRODUCT PAGE
           VERSION: 1.0
           ========================================= */

        :root {
            --primary-color: #003366;
            --accent-color: #e67e23;
            --bg-light: #f8f9fa;
            --border-color: #dee2e6;
            --text-dark: #212529;
            --text-light: #6c757d;
        }

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

        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            color: var(--text-dark);
            line-height: 1.6;
            background-color: #fff;
            font-size: 16px;
        }

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

        /* Header Section */
        .product-header {
            background: linear-gradient(135deg, var(--primary-color) 0%, #004080 100%);
            color: white;
            padding: 50px 40px;
            margin-bottom: 40px;
            border-radius: 10px;
            position: relative;
            overflow: hidden;
        }

        .product-header::before {
            content: "";
            position: absolute;
            width: 500px;
            height: 500px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            top: -250px;
            right: -150px;
        }

        .product-header h1 {
            font-size: 2.5em;
            font-weight: 700;
            margin-bottom: 15px;
            position: relative;
            z-index: 1;
        }

        .product-header .subtitle {
            font-size: 1.2em;
            opacity: 0.95;
            position: relative;
            z-index: 1;
        }

        /* Introduction Section */
        .intro-section {
            background: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            margin-bottom: 40px;
            border-left: 5px solid var(--accent-color);
        }

        .intro-section p {
            font-size: 1.05em;
            line-height: 1.8;
            color: var(--text-dark);
            margin-bottom: 15px;
        }

        .intro-section p:last-child {
            margin-bottom: 0;
        }

        /* Section Title */
        .section-title {
            font-size: 1.8em;
            color: var(--primary-color);
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 3px solid var(--accent-color);
            font-weight: 700;
        }

        /* Features Grid */
        .features-section {
            background: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            margin-bottom: 40px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }

        .feature-card {
            background: var(--bg-light);
            padding: 25px;
            border-radius: 8px;
            border-left: 4px solid var(--accent-color);
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.12);
        }

        .feature-card h3 {
            color: var(--primary-color);
            font-size: 1.15em;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .feature-card p {
            color: var(--text-light);
            font-size: 0.95em;
            line-height: 1.6;
            margin: 0;
        }

        /* Construction Types */
        .construction-section {
            background: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            margin-bottom: 40px;
        }

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

        .construction-card {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 30px;
            border-radius: 10px;
            border: 2px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .construction-card:hover {
            border-color: var(--accent-color);
            box-shadow: 0 6px 20px rgba(230, 126, 35, 0.2);
        }

        .construction-card h3 {
            color: var(--primary-color);
            font-size: 1.4em;
            font-weight: 700;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-color);
        }

        .construction-card ul {
            list-style: none;
            padding: 0;
            margin: 15px 0 0 0;
        }

        .construction-card li {
            padding: 8px 0 8px 25px;
            position: relative;
            color: var(--text-dark);
            line-height: 1.6;
        }

        .construction-card li::before {
            content: "→";
            position: absolute;
            left: 0;
            color: var(--accent-color);
            font-weight: bold;
        }

        /* Core Types */
        .core-section {
            background: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            margin-bottom: 40px;
        }

        .core-types {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }

        .core-card {
            background: var(--bg-light);
            padding: 25px;
            border-radius: 8px;
            border-top: 4px solid var(--primary-color);
        }

        .core-card h4 {
            color: var(--primary-color);
            font-size: 1.2em;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .core-card p {
            color: var(--text-light);
            font-size: 0.95em;
            line-height: 1.7;
            margin: 0;
        }

        /* Specifications Table */
        .specs-section {
            background: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            margin-bottom: 40px;
        }

        .table-wrapper {
            overflow-x: auto;
            margin-top: 30px;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
        }

        .specs-table {
            width: 100%;
            min-width: 700px;
            border-collapse: collapse;
            background: white;
        }

        .specs-table th {
            background: var(--primary-color);
            color: white;
            padding: 15px;
            text-align: left;
            font-weight: 600;
            border: 1px solid #004080;
        }

        .specs-table td {
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            color: var(--text-dark);
        }

        .specs-table tr:nth-child(even) {
            background: var(--bg-light);
        }

        .specs-table tr:hover {
            background: #e8f4f8;
        }

        /* Lay Types */
        .lay-section {
            background: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            margin-bottom: 40px;
        }

        .lay-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }

        .lay-card {
            background: linear-gradient(135deg, #fff5e6 0%, #ffe8cc 100%);
            padding: 25px;
            border-radius: 8px;
            border: 2px solid var(--accent-color);
        }

        .lay-card h4 {
            color: var(--primary-color);
            font-size: 1.15em;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .lay-card p {
            color: var(--text-dark);
            font-size: 0.95em;
            line-height: 1.7;
            margin: 0;
        }

        /* Installation Guide */
        .installation-section {
            background: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            margin-bottom: 40px;
        }

        .installation-steps {
            margin-top: 30px;
        }

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

        .step-card h4 {
            color: var(--primary-color);
            font-size: 1.2em;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .step-card p {
            color: var(--text-dark);
            line-height: 1.7;
            margin: 0;
        }

        .installation-image {
            margin-top: 20px;
            text-align: center;
        }

        .installation-image img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }

        /* Safety Notice */
        .safety-notice {
            background: linear-gradient(135deg, #fff3cd 0%, #ffe8a1 100%);
            border: 3px solid var(--accent-color);
            border-radius: 10px;
            padding: 30px;
            margin-bottom: 40px;
            position: relative;
        }

        .safety-notice::before {
            content: "⚠️";
            position: absolute;
            top: -20px;
            left: 30px;
            font-size: 2.5em;
            background: white;
            padding: 5px 15px;
            border-radius: 50%;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        }

        .safety-notice h3 {
            color: var(--primary-color);
            font-size: 1.4em;
            font-weight: 700;
            margin-bottom: 15px;
            margin-top: 10px;
        }

        .safety-notice ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .safety-notice li {
            padding: 8px 0 8px 25px;
            position: relative;
            color: var(--text-dark);
            line-height: 1.7;
        }

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

        /* Responsive Design */
        @media (max-width: 768px) {
            .container {
                padding: 15px;
            }

            .product-header {
                padding: 35px 25px;
            }

            .product-header h1 {
                font-size: 2em;
            }

            .intro-section,
            .features-section,
            .construction-section,
            .core-section,
            .specs-section,
            .lay-section,
            .installation-section {
                padding: 25px 20px;
            }

            .section-title {
                font-size: 1.5em;
            }

            .features-grid,
            .construction-grid,
            .core-types,
            .lay-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            body {
                font-size: 15px;
            }

            .product-header h1 {
                font-size: 1.7em;
            }

            .product-header .subtitle {
                font-size: 1em;
            }

            .section-title {
                font-size: 1.3em;
            }
        }