/* ===== 子页 Banner (简洁) ===== */
        .page-banner {
            width: 100%;
            height: 240px;
            background: url(/static/images/banner2.jpg) no-repeat center center;
            background-size: cover;
            position: relative;
        }
        .page-banner .mask {
            width: 100%;
            height: 100%;
            background: rgba(0, 96, 171, 0.65);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
        }
        .page-banner .mask h2 {
            font-size: 38px;
            color: #fff;
            letter-spacing: 4px;
            font-weight: normal;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }
        .page-banner .mask p {
            font-size: 16px;
            color: #e0f0ff;
            margin-top: 10px;
            letter-spacing: 2px;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            padding: 16px 0;
            background: #f8f9fa;
            border-bottom: 1px solid #e7e7e7;
        }
        .breadcrumb .w1200 {
            font-size: 14px;
            color: #888;
        }
        .breadcrumb .w1200 a {
            color: #0060AB;
        }
        .breadcrumb .w1200 span {
            margin: 0 6px;
        }

        /* ===== 产品详情主体 ===== */
        .detail-wrap {
            padding: 40px 0 60px;
            background: #fff;
        }
        .detail-wrap .main {
            display: flex;
            gap: 50px;
            margin-bottom: 50px;
        }
        /* 左侧图片 */
        .detail-wrap .main .pic-area {
            flex: 0 0 480px;
            width: 480px;
        }
        .detail-wrap .main .pic-area .big-pic {
            border: 1px solid #e7e7e7;
            border-radius: 6px;
            overflow: hidden;
        }
        .detail-wrap .main .pic-area .big-pic img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            display: block;
        }
        .detail-wrap .main .pic-area .thumb-list {
            display: flex;
            gap: 12px;
            margin-top: 16px;
            justify-content: center;
        }
        .detail-wrap .main .pic-area .thumb-list li {
            width: 80px;
            height: 60px;
            border: 2px solid #ddd;
            border-radius: 4px;
            overflow: hidden;
            cursor: pointer;
            transition: border-color 0.3s;
        }
        .detail-wrap .main .pic-area .thumb-list li.active,
        .detail-wrap .main .pic-area .thumb-list li:hover {
            border-color: #0060AB;
        }
        .detail-wrap .main .pic-area .thumb-list li img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* 右侧信息 */
        .detail-wrap .main .info-area {
            flex: 1;
        }
        .detail-wrap .main .info-area h1 {
            font-size: 28px;
            color: #333;
            font-weight: normal;
            margin-bottom: 12px;
            border-bottom: 2px solid #0060AB;
            padding-bottom: 12px;
        }
        .detail-wrap .main .info-area .sub {
            font-size: 15px;
            color: #888;
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .detail-wrap .main .info-area .params {
            background: #f8f9fa;
            padding: 18px 20px;
            border-radius: 6px;
            margin-bottom: 20px;
        }
        .detail-wrap .main .info-area .params table {
            width: 100%;
            border-collapse: collapse;
        }
        .detail-wrap .main .info-area .params td {
            padding: 8px 0;
            font-size: 14px;
            border-bottom: 1px dashed #e0e0e0;
        }
        .detail-wrap .main .info-area .params td:first-child {
            width: 120px;
            color: #333;
            font-weight: bold;
        }
        .detail-wrap .main .info-area .params tr:last-child td {
            border-bottom: none;
        }
        .detail-wrap .main .info-area .contact-btn {
            display: inline-block;
            padding: 10px 32px;
            background: #0060AB;
            color: #fff;
            border-radius: 30px;
            font-size: 16px;
            transition: background 0.3s;
        }
        .detail-wrap .main .info-area .contact-btn:hover {
            background: #004a8a;
            color: #fff;
        }

        /* ===== 产品详情描述 ===== */
        .detail-wrap .desc-section {
            margin-top: 30px;
            border-top: 1px solid #eee;
            padding-top: 30px;
        }
        .detail-wrap .desc-section h3 {
            font-size: 22px;
            color: #0060AB;
            margin-bottom: 16px;
            font-weight: normal;
        }
        .detail-wrap .desc-section p {
            font-size: 15px;
            line-height: 1.9;
            color: #555;
            margin-bottom: 14px;
        }
        .detail-wrap .desc-section .features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px 30px;
            margin: 18px 0 20px;
        }
        .detail-wrap .desc-section .features li {
            font-size: 14px;
            color: #444;
            padding-left: 20px;
            position: relative;
        }
        .detail-wrap .desc-section .features li:before {
            content: "●";
            color: #0060AB;
            position: absolute;
            left: 0;
        }

        /* ===== 相关产品推荐 ===== */
        .related {
            margin-top: 50px;
            border-top: 1px solid #eee;
            padding-top: 30px;
        }
        .related h3 {
            font-size: 22px;
            color: #0060AB;
            font-weight: normal;
            text-align: center;
            margin-bottom: 24px;
        }
        .related .grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .related .grid .item {
            border: 1px solid #eee;
            border-radius: 6px;
            overflow: hidden;
            transition: box-shadow 0.3s;
            background: #fff;
        }
        .related .grid .item:hover {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }
        .related .grid .item .pic {
            height: 200px;
            overflow: hidden;
        }
        .related .grid .item .pic img {
            width: 100%;
            height: 100%;
            /*object-fit: cover;*/
        }
        .related .grid .item .info {
            padding: 12px 14px 16px;
            text-align: center;
        }
        .related .grid .item .info h4 {
            font-size: 15px;
            font-weight: normal;
            color: #333;
        }
        .related .grid .item .info h4 a:hover {
            color: #0060AB;
        }

        /* ===== 页脚、友情链接、返回顶部 (与首页一致) ===== */
        .footer {
            width: 100%;
            background: #222;
            color: #999;
        }
        .footer .ft-con {
            padding: 55px 0 40px;
            overflow: hidden;
        }
        .footer .ft-con .w1200 {
            position: relative;
        }
        .footer .ft-logo {
            float: left;
            width: 520px;
        }
        .footer .ft-logo h3 {
            font-size: 26px;
            color: #fff;
            font-weight: bold;
            margin: 8px 0 14px 0;
            letter-spacing: 2px;
        }
        .footer .ft-logo p {
            font-size: 13px;
            line-height: 22px;
            color: #999;
        }
        .footer .ft-contact {
            float: left;
            width: 330px;
            margin-left: 90px;
            text-align: left;
        }
        .footer .ft-contact p {
            font-size: 14px;
            color: #fff;
            line-height: 30px;
        }
        .footer .ft-contact p em {
            font-size: 26px;
            font-style: normal;
            color: #fff;
            font-family: Arial;
            font-weight: bold;
        }
        .footer .ft-contact .ft-tel {
            font-size: 13px;
            color: #999;
            margin-top: 8px;
        }
        .footer .ft-qrcode {
            float: right;
            width: 150px;
            text-align: center;
        }
        .footer .ft-qrcode img {
            width: 128px;
            height: 128px;
            background: #fff;
            padding: 6px;
            display: block;
            margin: 0 auto;
        }
        .footer .ft-qrcode p {
            font-size: 13px;
            color: #999;
            margin-top: 10px;
        }
        .footer .copy {
            width: 100%;
            border-top: 1px solid #3a3a3a;
        }
        .footer .copy .w1200 {
            height: 60px;
            line-height: 60px;
            text-align: center;
            font-size: 12px;
            color: #777;
        }
        .footer .copy a {
            color: #777;
        }
        .footer .copy a:hover {
            color: #fff;
        }

        .link {
            overflow: hidden;
            width: 100%;
            background-color: #0060AB;
            padding: 14px 0;
        }
        .link .list {
            padding: 0;
            overflow: hidden;
            width: 100%;
        }
        .link .list li {
            float: left;
            font-size: 14px;
            color: #fff;
            border-left: 1px solid rgba(255, 255, 255, .4);
            padding: 0 15px;
            margin: 3px 0;
        }
        .link .list li a {
            color: #fff;
        }
        .link .list li a:hover {
            color: #e6f0ff;
        }
        .link .list li:first-child {
            padding-left: 0;
            border: none;
            color: #fff;
            font-weight: bold;
        }

        #backTop {
            position: fixed;
            right: 20px;
            bottom: 80px;
            width: 46px;
            height: 46px;
            line-height: 46px;
            text-align: center;
            background: #0060AB;
            color: #fff;
            font-size: 22px;
            border-radius: 6px;
            cursor: pointer;
            display: none;
            z-index: 9999;
            opacity: .85;
        }
        #backTop:hover {
            opacity: 1;
        }

        /* ===== 响应式适配 ===== */
        @media (max-width: 1200px) {
            body {
                min-width: auto;
            }
            .w1200 {
                width: 100% !important;
                padding: 0 20px;
            }
            .detail-wrap .main {
                flex-direction: column;
            }
            .detail-wrap .main .pic-area {
                flex: 0 0 auto;
                width: 100%;
                max-width: 500px;
                margin: 0 auto;
            }
            .detail-wrap .main .pic-area .big-pic img {
                height: 300px;
            }
            .detail-wrap .desc-section .features {
                grid-template-columns: 1fr;
            }
            .related .grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer .ft-logo,
            .footer .ft-contact,
            .footer .ft-qrcode {
                float: none;
                width: 100%;
                margin: 0 0 20px 0;
                text-align: center;
            }
            .headerCon .w1200 {
                flex-wrap: wrap;
                height: auto;
                padding: 10px 20px;
            }
            .headerCon .headerNav {
                flex: 0 0 100%;
                order: 3;
                justify-content: center;
                margin: 10px 0 0;
            }
            .headerCon .headerNav .navBox>li {
                margin: 0 12px;
                line-height: 40px;
                height: 40px;
            }
            .headerCon .headerSearch {
                flex: 0 0 50px;
                height: 50px;
            }
            .headerCon .logo img {
                width: 180px;
                height: auto;
            }
            .header {
                height: auto;
            }
        }