/* 干净、现代的产品描述样式，兼容各电商平台 */
        .product-description {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.5;
            color: #1a1a1a;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 16px;
            background-color: #ffffff;
        }
        .product-description h2 {
            font-size: 1.8rem;
            font-weight: 600;
            margin-top: 0;
            margin-bottom: 0.5rem;
            color: #000;
            letter-spacing: -0.3px;
        }
        .product-description h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin: 1.5em 0 0.75em;
            color: #111;
            border-left: 4px solid #ff8c00;
            padding-left: 12px;
        }
        .product-description h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 1.2em 0 0.4em;
            color: #222;
        }
        .product-description p {
            margin-bottom: 1em;
            font-size: 1rem;
        }
        .product-description ul, .product-description ol {
            margin: 0 0 1.2em 1.5em;
            padding-left: 0;
        }
        .product-description li {
            margin-bottom: 0.5em;
        }
        .product-description .feature-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .product-description .feature-card {
            flex: 1 1 220px;
            background: #f7f7f9;
            border-radius: 12px;
            padding: 1rem;
            border: 1px solid #eaeef2;
        }
        .product-description .feature-card strong {
            display: block;
            font-size: 1.1rem;
            margin-bottom: 0.4rem;
            color: #d35400;
        }
        .product-description table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0 1.8rem;
            background: #fff;
            box-shadow: 0 1px 2px rgba(0,0,0,0.05);
        }
        .product-description th, .product-description td {
            border: 1px solid #ddd;
            padding: 10px 12px;
            text-align: left;
            vertical-align: top;
        }
        .product-description th {
            background-color: #f2f2f2;
            font-weight: 600;
            width: 35%;
        }
        .product-description .badge {
            background: #f5f5f5;
            border-radius: 30px;
            padding: 4px 12px;
            font-size: 0.8rem;
            display: inline-block;
            margin-bottom: 12px;
            color: #2c3e50;
        }
        .product-description hr {
            margin: 2rem 0;
            border: 0;
            height: 1px;
            background: #e2e8f0;
        }
        .product-description .box-content {
            background: #f9fafb;
            padding: 16px 20px;
            border-radius: 16px;
            margin: 20px 0;
            border-left: 4px solid #ff8c00;
        }
        @media (max-width: 640px) {
            .product-description h2 { font-size: 1.5rem; }
            .product-description table th, .product-description table td { padding: 8px; }
            .product-description ul, .product-description ol { margin-left: 1.2rem; }
        }