:root {
            --primary-color: #003366;
            --accent-color: #e67e23;
            --bg-light: #f4f7f6;
            --border-color: #e0e0e0;
            --text-dark: #333333;
            --text-light: #555555;
        }

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

        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-dark);
            background: var(--bg-light);
        }

        .container {
            max-width: 1150px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Top Info Bar */
        .info-bar {
            background: var(--primary-color);
            color: white;
            text-align: center;
            padding: 12px 20px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 30px;
        }

        /* Hero Section */
        .hero-section {
            background: white;
            padding: 50px 45px;
            margin-bottom: 25px;
            border-radius: 12px;
            box-shadow: 0 6px 25px rgba(0, 0, 0, 0.1);
            border-left: 8px solid var(--accent-color);
        }

        .hero-section h1 {
            color: var(--primary-color);
            font-size: 2.6em;
            font-weight: 700;
            margin-bottom: 25px;
            letter-spacing: -0.5px;
        }

        .hero-section .lead-paragraph {
            color: var(--text-dark);
            font-size: 1.1em;
            line-height: 1.9;
            font-weight: 500;
            background: linear-gradient(135deg, #e8f4f8 0%, #d4e9f2 100%);
            padding: 25px 30px;
            border-radius: 8px;
            border-left: 4px solid var(--primary-color);
            margin-bottom: 25px;
        }

        .hero-section .description {
            color: var(--text-light);
            font-size: 1.05em;
            line-height: 1.8;
        }

        /* Product Display */
        .product-display {
            background: white;
            padding: 45px;
            margin-bottom: 25px;
            border-radius: 12px;
            box-shadow: 0 6px 25px rgba(0, 0, 0, 0.1);
            text-align: center;
        }

        .product-display h2 {
            color: var(--primary-color);
            font-size: 1.6em;
            font-weight: 700;
            margin-bottom: 30px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .image-container {
            background: linear-gradient(135deg, var(--bg-light) 0%, #e8f0f2 100%);
            padding: 40px;
            border-radius: 12px;
            border: 3px solid var(--border-color);
            position: relative;
            overflow: hidden;
            transition: all 0.4s ease;
        }

        .image-container::before {
            content: "";
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
            border-radius: 12px;
            opacity: 0;
            transition: opacity 0.4s ease;
            z-index: 0;
        }

        .image-container:hover::before {
            opacity: 1;
        }

        .image-container:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 35px rgba(230, 126, 35, 0.25);
        }

        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
            position: relative;
            z-index: 1;
            background: white;
            padding: 10px;
        }

        /* Features Section */
        .features-section {
            background: white;
            padding: 45px 40px;
            margin-bottom: 25px;
            border-radius: 12px;
            box-shadow: 0 6px 25px rgba(0, 0, 0, 0.1);
        }

        .features-section h2 {
            color: var(--primary-color);
            font-size: 1.7em;
            font-weight: 700;
            margin-bottom: 35px;
            padding-bottom: 18px;
            border-bottom: 4px solid var(--accent-color);
            display: flex;
            align-items: center;
        }

        .features-section h2::before {
            content: "★";
            color: var(--accent-color);
            font-size: 1.2em;
            margin-right: 15px;
        }

        .features-list {
            display: grid;
            gap: 20px;
        }

        .feature-item {
            background: linear-gradient(135deg, var(--bg-light) 0%, #ffffff 100%);
            padding: 28px 32px;
            border-radius: 10px;
            border-left: 5px solid var(--accent-color);
            box-shadow: 0 3px 12px rgba(0, 0, 0, 0.06);
            transition: all 0.3s ease;
            position: relative;
        }

        .feature-item:hover {
            transform: translateX(10px);
            box-shadow: 0 8px 25px rgba(230, 126, 35, 0.2);
            border-left-width: 8px;
        }

        .feature-item h3 {
            color: var(--primary-color);
            font-size: 1.2em;
            font-weight: 700;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
        }

        .feature-item h3::before {
            content: "●";
            color: var(--accent-color);
            margin-right: 12px;
            font-size: 1.5em;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .feature-item p {
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* Advantages Grid */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-bottom: 25px;
        }

        .advantage-card {
            background: linear-gradient(135deg, #fff5e6 0%, #ffe8cc 100%);
            padding: 30px;
            border-radius: 12px;
            border: 3px solid var(--accent-color);
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .advantage-card::before {
            content: "";
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(230, 126, 35, 0.1) 0%, transparent 70%);
            transform: scale(0);
            transition: transform 0.5s ease;
        }

        .advantage-card:hover::before {
            transform: scale(1);
        }

        .advantage-card:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 12px 30px rgba(230, 126, 35, 0.3);
        }

        .advantage-card .icon {
            font-size: 3em;
            color: var(--accent-color);
            margin-bottom: 15px;
            position: relative;
            z-index: 1;
        }

        .advantage-card h3 {
            color: var(--primary-color);
            font-size: 1.15em;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .advantage-card p {
            color: var(--text-dark);
            font-size: 0.95em;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }

        /* Safety Section */
        .safety-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, #004080 100%);
            color: white;
            padding: 45px 40px;
            margin-bottom: 30px;
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(0, 51, 102, 0.25);
            position: relative;
            overflow: hidden;
        }

        .safety-section::before {
            content: "⚠";
            position: absolute;
            right: -20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 15em;
            opacity: 0.05;
        }

        .safety-section h2 {
            font-size: 1.6em;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .safety-section h2::before {
            content: "⚠";
            color: var(--accent-color);
            font-size: 1.3em;
            margin-right: 15px;
        }

        .safety-section p {
            font-size: 1.05em;
            line-height: 1.9;
            opacity: 0.95;
            position: relative;
            z-index: 1;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .container {
                padding: 0 15px;
            }

            .info-bar {
                font-size: 13px;
                padding: 10px 15px;
            }

            .hero-section {
                padding: 35px 28px;
            }

            .hero-section h1 {
                font-size: 2em;
            }

            .hero-section .lead-paragraph {
                font-size: 1.05em;
                padding: 20px 22px;
            }

            .product-display,
            .features-section,
            .safety-section {
                padding: 30px 25px;
            }

            .product-display h2,
            .features-section h2,
            .safety-section h2 {
                font-size: 1.4em;
            }

            .advantages-grid {
                grid-template-columns: 1fr;
            }

            .feature-item {
                padding: 22px 25px;
            }
        }

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

            .hero-section {
                padding: 28px 20px;
            }

            .hero-section h1 {
                font-size: 1.7em;
            }

            .product-display,
            .features-section,
            .safety-section {
                padding: 25px 20px;
            }

            .image-container {
                padding: 25px;
            }

            .advantage-card {
                padding: 25px;
            }

            .advantage-card .icon {
                font-size: 2.5em;
            }
        }