/* ============ 样式隔离：全部选择器带 sd- 前缀，不触碰全局 ============ */
       .section{padding:5px 0px}
        .sd-detail {
            max-width: 1240px;
            margin: 0 auto;
            padding: 24px 16px;
            font-family: Arial, sans-serif;
            color: #333;
            line-height: 1.65;
            box-sizing: border-box;
        }
        .sd-detail *,
        .sd-detail *::before,
        .sd-detail *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        /* 标题区 */
        .sd-detail .sd-title-area h1 {
            font-size: 28px;
            margin-bottom: 12px;
            border: none;
            background: none;
            color: #333;
        }
        .sd-detail .sd-short-desc {
            color: #555;
            margin-bottom: 20px;
        }

        /* 外层左右布局 */
        .sd-detail .sd-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            margin-bottom: 48px;
            align-items: start;
        }

        /* 相册组件 */
        .sd-detail .sd-gallery-wrap {
            min-width: 0;
        }
        .sd-detail .sd-main-img-box {
            width: 100%;
            background: #f8f8f8;
            border-radius: 6px;
            overflow: hidden;
            line-height: 0;
        }
        .sd-detail .sd-main-img-box img {
            width: 100%;
            height: auto;
            display: block;
            max-width: 100%;
        }
        .sd-detail .sd-thumb-scroll {
            margin-top: 12px;
            overflow-x: auto;
            overflow-y: hidden;
            scrollbar-width: thin;
        }
        .sd-detail .sd-thumb-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .sd-detail .sd-thumb-scroll::-webkit-scrollbar-thumb {
            background: #cccccc;
            border-radius: 3px;
        }
        .sd-detail .sd-thumb-list {
            display: flex;
            gap: 10px;
            padding-bottom: 4px;
            min-width: max-content;
        }
        .sd-detail .sd-thumb-item {
            width: 90px;
            height: 70px;
            flex-shrink: 0;
            border: 2px solid transparent;
            cursor: pointer;
            border-radius: 4px;
            overflow: hidden;
            line-height: 0;
            background: none;
            padding: 0;
        }
        .sd-detail .sd-thumb-item.sd-active {
            border-color: #2277cc;
        }
        .sd-detail .sd-thumb-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        /* Specifications 参数区域 */
        .sd-detail .sd-spec-title {
            font-size: 20px;
            margin-bottom: 16px;
            border-left: 4px solid #2277cc;
            padding-left: 12px;
            color: #333;
            background: none;
        }
        .sd-detail .sd-spec-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .sd-detail .sd-spec-table td {
            border: 1px solid #e2e2e2;
            padding: 10px 12px;
            color: #333;
        }
        .sd-detail .sd-spec-table td:first-child {
            width: 38%;
            background: #f7f8fa;
            font-weight: 500;
        }

        /* 产品特性 */
        .sd-detail .sd-feature-title {
            font-size: 20px;
            margin-bottom: 16px;
            border-left: 4px solid #2277cc;
            padding-left: 12px;
            color: #333;
            background: none;
        }
        .sd-detail .sd-feature-item {
            padding: 14px 0;
            border-bottom: 1px dashed #eeeeee;
        }
        .sd-detail .sd-feature-item h4 {
            font-size: 16px;
            color: #2277cc;
            margin-bottom: 6px;
            border: none;
            background: none;
        }
        .sd-detail .sd-feature-item p {
            color: #555;
        }

        /* 响应式 */
        @media (max-width: 768px) {
            .sd-detail .sd-row {
                grid-template-columns: 1fr;
            }
            .sd-detail .sd-title-area h1 {
                font-size: 22px;
            }
            .sd-detail .sd-spec-table td {
                padding: 8px 8px;
            }
            .sd-detail .sd-spec-table td:first-child {
                width: 42%;
            }
        }