/* 标题区样式 - 白色主题，黄色+红色点缀 */
        .product-header {
            margin-bottom: 40px;
            padding: 25px 30px;
            border-bottom: none;
            background: linear-gradient(135deg, #ffffff 0%, #f8f8f8 100%);
            color: #333;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: relative;
            overflow: hidden;
            border: 1px solid #e0e0e0;
        }
        
        .product-header::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 150px;
            height: 150px;
            background: linear-gradient(135deg, rgba(255, 0, 0, 0.1) 0%, rgba(255, 215, 0, 0.1) 100%);
            border-radius: 50%;
            transform: translate(30%, -30%);
        }
        
        .product-title {
            font-size: 28px;
            color: #d10000;
            margin-bottom: 15px;
            font-weight: 600;
            position: relative;
            z-index: 1;
        }
        
        .product-subtitle {
            font-size: 18px;
            color: #666;
            margin-bottom: 20px;
            font-weight: 400;
            position: relative;
            z-index: 1;
        }
        
        .product-meta {
            font-size: 14px;
            color: #666;
            position: relative;
            z-index: 1;
        }
        
        .meta-item {
            display: inline-block;
            margin-right: 25px;
            position: relative;
            padding-left: 20px;
        }
        
        .meta-item:before {
            content: "•";
            position: absolute;
            left: 0;
            color: #ffd700;
        }

        /* 章节通用样式 */
        .product-section {
            margin-bottom: 45px;
        }
        
        .section-title {
            font-size: 20px;
            color: #222;
            margin-bottom: 20px;
            padding-left: 12px;
            border-left: 4px solid #ffd700;
            font-weight: 600;
            position: relative;
        }
        
        .section-title::after {
            content: "";
            position: absolute;
            bottom: -5px;
            left: 12px;
            width: 40px;
            height: 2px;
            background: #d10000;
        }
        
        .section-content {
            padding-left: 16px;
        }
        
        .subsection-title {
            font-size: 16px;
            color: #333;
            margin: 30px 0 15px;
            font-weight: 600;
            padding-left: 8px;
            border-left: 3px solid #d10000;
        }
        
        .paragraph {
            margin-bottom: 18px;
            font-size: 14px;
            text-align: justify;
            color: #444;
        }

        /* 表格样式 */
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0 30px;
            font-size: 14px;
            background-color: #fff;
            border: 1px solid #e0e0e0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        
        .data-table th,
        .data-table td {
            padding: 12px 15px;
            text-align: left;
            border: 1px solid #e0e0e0;
        }
        
        .data-table th {
            background: linear-gradient(to bottom, #f5f7fa, #e8ecf2);
            color: #222;
            font-weight: 600;
            border-bottom: 2px solid #d10000;
        }
        
        .data-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        
        .data-table tr:hover {
            background-color: #f1f5f9;
        }

        /* 特性列表样式 */
        .features-list {
            list-style: none;
            margin: 15px 0 25px;
            padding-left: 5px;
        }
        
        .features-list li {
            position: relative;
            padding: 8px 0 8px 25px;
            margin-bottom: 10px;
            border-bottom: 1px dashed #eee;
        }
        
        .features-list li:last-child {
            border-bottom: none;
        }
        
        .features-list li:before {
            content: "•";
            position: absolute;
            left: 0;
            color: #ffd700;
            font-size: 20px;
            line-height: 1;
        }

        /* 工艺参数样式 */
        .process-params {
            margin: 15px 0 25px;
        }

        /* 免责声明样式 */
        .disclaimer {
            background-color: #f8f9fa;
            border-left: 3px solid #6c757d;
            padding: 20px;
            margin-top: 30px;
            font-size: 13px;
            color: #555;
            line-height: 1.7;
        }
        
        .disclaimer-title {
            font-weight: 600;
            margin-bottom: 10px;
            color: #444;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .product-detail-container {
                padding: 20px 15px;
            }
            
            .product-title {
                font-size: 24px;
            }
            
            .meta-item {
                display: block;
                margin-bottom: 8px;
            }
            
            .section-title {
                font-size: 18px;
            }
            
            .data-table th,
            .data-table td {
                padding: 8px 10px;
                font-size: 13px;
            }
            
            .features-list li {
                padding-left: 20px;
            }
        }
        
        /* 特殊样式 */
        .highlight-box {
            background: linear-gradient(to right, #fff9f0, #fff0f0);
            border-left: 4px solid #ffd700;
            padding: 15px 20px;
            margin: 20px 0;
            border-radius: 0 4px 4px 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        
        .cert-badge {
            display: inline-block;
            background-color: #fff0f0;
            color: #d10000;
            padding: 5px 12px;
            border-radius: 4px;
            font-size: 12px;
            margin-right: 10px;
            margin-bottom: 10px;
            border: 1px solid #ffb3b3;
        }
        
        .strength-badge {
            background-color: #fff9f0;
            color: #d10000;
            border: 1px solid #ffd699;
        }
        
        .green-badge {
            background-color: #f0f9f0;
            color: #2c6e2c;
            border: 1px solid #b8e0b8;
        }
        
        .eco-badge {
            background-color: #e8f4fd;
            color: #0056b3;
            border: 1px solid #b8d9f5;
        }
        
        .optical-badge {
            background-color: #fff3e0;
            color: #d10000;
            border: 1px solid #ffd966;
        }
        
        .sabic-logo {
            display: inline-block;
            font-weight: bold;
            color: white;
            font-size: 18px;
            margin-bottom: 10px;
            background: #d10000;
            padding: 5px 12px;
            border-radius: 4px;
        }
        
        /* 新增样式：强调色元素 */
        .accent-orange {
            color: #ffd700;
        }
        
        .accent-blue {
            color: #d10000;
        }
        
        .property-card {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 20px 0;
        }
        
        .property-item {
            flex: 1;
            min-width: 180px;
            background: white;
            border-radius: 6px;
            padding: 15px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            border-top: 3px solid #d10000;
        }
        
        .property-value {
            font-size: 24px;
            font-weight: bold;
            color: #ffd700;
            margin: 10px 0 5px;
        }
        
        .property-label {
            font-size: 14px;
            color: #666;
        }
        .application-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
}
.application-item {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 5px;
    border-left: 3px solid #0066cc;
}
.application-title {
    font-weight: 600;
    color: #0066cc;
    margin-bottom: 8px;
}