* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: Arial, sans-serif;
        }

        :root {
            --primary-color: #FF7D00;
            --primary-dark: #E67000;
            --base-font-size: 16px;
            --title-font-size: 36px;
            --mobile-title-size: 28px;
            --xs-title-size: 24px;
            --subtitle-font-size: 18px;
            --mobile-subtitle-size: 16px;
            --light-gray: #f7f7f7;
            --table-even-bg: #FFF4EB;
            --table-hover-bg: #FFE8D0;
            --text-dark: #222;
        }

        body {
            background: #fff;
            color: var(--text-dark);
            line-height: 1.7;
            font-size: var(--base-font-size);
        }

        .main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            width: 100%;
        }

        .section-block {
            width: 100%;
            margin-top: 40px;
        }
        .section-block:first-child { margin-top: 0; }

        .section-title {
            font-size: 28px;
            font-weight: bold;
            color: var(--primary-color);
            margin: 0 0 16px 0;
            padding: 0 0 8px 0;
            border-bottom: 2px solid #eee;
            line-height: 1.2;
            width: 100%;
            display: block;
        }

        .product-features {
            background: var(--light-gray);
            padding: 32px 24px;
            border-radius: 10px;
            width: 100%;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 25px;
        }

        .feature-card {
            display: flex;
            flex-direction: row;
            align-items: flex-start;
            background: white;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.06);
            border-top: 3px solid var(--primary-color);
            height: 100%;
            gap: 25px;
        }

        .feature-text {
            flex: 1;
            line-height: 1.7;
            font-size: var(--base-font-size);
        }

        .feature-card .feature-subtitle {
            color: var(--primary-color);
            font-size: var(--subtitle-font-size);
            display: block;
            font-weight: bold;
            height: 54px;
            line-height: 1.3;
            display: flex;
            align-items: center;
            margin-bottom: 8px;
        }
        .feature-text p { margin: 0; }

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

        .params-table {
            width: 100%;
            border-collapse: collapse;
            font-size: var(--base-font-size);
            table-layout: fixed;
        }

        .params-table th,
        .params-table td {
            border: 1px solid #e0e0e0;
            padding: 12px 8px;
            text-align: center;
            vertical-align: middle;
            word-break: break-word;
        }

        .params-table th {
            width: 20%;
            background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
            color: white;
            font-weight: bold;
            font-size: calc(var(--base-font-size) + 1px);
        }

        .params-table tr:nth-child(odd) { background-color: #fff; }
        .params-table tr:nth-child(even) { background-color: var(--table-even-bg); }
        .params-table tr:hover { background-color: var(--table-hover-bg); transition: background 0.3s ease; }
        .params-table td[colspan="4"] { text-align: center; }

        .table-note {
            color: #000;
            font-size: 18px;
            background-color: #fafafa;
            text-align: center;
            padding: 12px;
            border-top: 1px solid #e0e0e0;
            width: 100%;
            font-weight: bold;
        }

        .application-areas {
            line-height: 1.8;
            font-size: var(--base-font-size);
            width: 100%;
        }

        .samples-display {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            width: 100%;
        }

        .sample-card {
            flex: 1;
            min-width: 220px;
            background: var(--light-gray);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            font-weight: 600;
            font-size: var(--base-font-size);
            height: 100%;
        }

        .sample-img-wrapper {
            width: 100%;
            aspect-ratio: 1/1;
            max-width: 220px;
            margin: 0 auto 12px;
            overflow: hidden;
            border-radius: 8px;
            background-color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .sample-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .sample-description {
            display: block;
            font-size: calc(var(--base-font-size) - 1px);
            color: var(--primary-color);
            font-weight: bold;
        }

        @media (max-width: 768px) {
            .main-container { padding: 15px; }
            .section-title { font-size: var(--mobile-title-size); margin: 0 0 15px 0; padding-bottom: 6px; }
            .section-block { margin-top: 30px; }
            .features-grid { grid-template-columns: 1fr; gap: 20px; }
            .feature-card { flex-direction: column; text-align: center; padding: 20px 15px; gap: 20px; align-items: center; }
            .feature-card .feature-subtitle { font-size: var(--mobile-subtitle-size); height: auto; display: block; text-align: center; }
            .product-features { padding: 25px 15px; }
            .params-table { min-width: 600px; }
            .params-table th, .params-table td { padding: 10px 6px; font-size: 13px; }
            .samples-display { flex-direction: column; gap: 15px; }
            .sample-card { min-width: 100%; padding: 20px 15px; }
            .sample-img-wrapper { max-width: 200px; }
            .application-areas { line-height: 1.7; font-size: 15px; }
            .table-note { font-size: 15px; }
        }

        @media (max-width: 480px) {
            .section-title { font-size: var(--xs-title-size); }
            .sample-img-wrapper { max-width: 160px; }
        }

        @media (min-width: 769px) { .table-wrapper { overflow-x: visible; } }