/* 全局基础样式（贴合UEESHOP默认风格+Google收录友好） */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Helvetica Neue", Arial, sans-serif;
        }
        body {
            background-color: #f7f9fc;
            color: #333;
            line-height: 1.6;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        /* 顶部Banner（核心主题突出+OTOMO电力行业属性） */
        .tk-banner {
            background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
            color: #fff;
            padding: 60px 0;
            text-align: center;
            margin-bottom: 50px;
            border-radius: 8px;
        }
        .tk-banner h1 {
            font-size: 36px;
            margin-bottom: 20px;
            font-weight: 700;
        }
        .tk-banner p {
            font-size: 18px;
            max-width: 900px;
            margin: 0 auto;
            opacity: 0.95;
        }

        /* 通用板块样式（UEESHOP适配+SEO语义化） */
        .tk-section {
            background: #fff;
            padding: 40px;
            border-radius: 8px;
            margin-bottom: 40px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        .tk-section h2 {
            font-size: 28px;
            color: #1e3a8a;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 3px solid #3b82f6;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .tk-section h2 i {
            color: #3b82f6;
            font-size: 24px;
        }
        .tk-section h3 {
            font-size: 22px;
            color: #1e3a8a;
            margin: 20px 0 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .tk-section h3 i {
            color: #3b82f6;
            font-size: 20px;
        }
        .tk-section p {
            font-size: 16px;
            color: #4b5563;
            margin-bottom: 20px;
        }

        /* 网格布局（响应式+OTOMO业务适配） */
        .tk-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 25px;
            margin-top: 20px;
        }
        .tk-grid-item {
            flex: 1;
            min-width: 280px;
            background: #f9fafb;
            padding: 30px;
            border-radius: 6px;
            border-left: 4px solid #3b82f6;
            transition: all 0.3s ease;
        }
        .tk-grid-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 6px 15px rgba(0,0,0,0.08);
        }
        .tk-grid-item h4 {
            font-size: 19px;
            color: #2563eb;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .tk-grid-item h4 i {
            font-size: 20px;
        }
        .tk-grid-item p {
            font-size: 15px;
            color: #6b7280;
        }

        /* 列表样式（突出OTOMO核心优势） */
        .tk-list {
            padding-left: 25px;
            color: #4b5563;
            line-height: 2;
        }
        .tk-list li {
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .tk-list li i {
            color: #3b82f6;
            margin-top: 6px;
            font-size: 14px;
        }

        /* 数据卡片（OTOMO真实企业数据） */
        .otomo-advantage-card {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 20px;
        }
        .advantage-item {
            flex: 1;
            min-width: 200px;
            text-align: center;
            padding: 25px;
            background: #eff6ff;
            border-radius: 8px;
        }
        .advantage-item .num {
            font-size: 36px;
            font-weight: 700;
            color: #2563eb;
            margin-bottom: 10px;
        }
        .advantage-item .desc {
            font-size: 15px;
            color: #4b5563;
            font-weight: 500;
        }

        /* Prototype组装流程步骤（贴合电表行业） */
        .prototype-process {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 30px;
            position: relative;
        }
        .prototype-process::after {
            content: "";
            position: absolute;
            top: 30px;
            left: 50px;
            right: 50px;
            height: 2px;
            background: #dbeafe;
            z-index: 1;
        }
        .process-item {
            flex: 1;
            min-width: 180px;
            text-align: center;
            padding: 20px 15px;
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
            position: relative;
            z-index: 2;
        }
        .process-item .step-circle {
            width: 40px;
            height: 40px;
            line-height: 40px;
            background: #2563eb;
            color: #fff;
            border-radius: 50%;
            margin: 0 auto 15px;
            font-weight: 700;
            position: relative;
            z-index: 3;
        }
        .process-item h4 {
            font-size: 18px;
            color: #1e3a8a;
            margin-bottom: 10px;
        }
        .process-item p {
            font-size: 14px;
            color: #6b7280;
            line-height: 1.6;
        }

        /* 表格样式（OTOMO技术参数） */
        .tk-table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
        }
        .tk-table th, .tk-table td {
            padding: 15px;
            border: 1px solid #e5e7eb;
            text-align: left;
        }
        .tk-table th {
            background: #f3f4f6;
            color: #1e3a8a;
            font-weight: 600;
        }
        .tk-table tr:nth-child(even) {
            background: #f9fafb;
        }

        /* 联系模块（UEESHOP转化导向+指定联系方式） */
        .contact-block {
            background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
            color: #fff;
            padding: 40px;
            border-radius: 8px;
            text-align: center;
            margin-top: 20px;
        }
        .contact-block h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: #fff;
        }
        .contact-block p {
            font-size: 16px;
            margin-bottom: 20px;
            color: #dbeafe;
        }
        .contact-block a {
            color: #fff;
            text-decoration: underline;
            font-weight: 600;
        }
        .contact-block a:hover {
            text-decoration: none;
            color: #f0f7ff;
        }
        .contact-info {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 25px;
            margin-top: 15px;
        }
        .contact-info div {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 高亮标签（突出prototype核心） */
        .highlight-tag {
            display: inline-block;
            background: #eff6ff;
            color: #2563eb;
            padding: 3px 10px;
            border-radius: 4px;
            font-weight: 600;
            margin: 0 5px;
        }

        /* UEESHOP移动端适配（768px断点） */
        @media (max-width: 768px) {
            .tk-banner h1 {
                font-size: 26px;
            }
            .tk-banner p {
                font-size: 16px;
            }
            .tk-section {
                padding: 25px 20px;
            }
            .tk-section h2 {
                font-size: 22px;
            }
            .tk-section h3 {
                font-size: 20px;
            }
            .tk-grid {
                gap: 15px;
            }
            .tk-grid-item {
                padding: 20px;
            }
            .advantage-item .num {
                font-size: 28px;
            }
            .prototype-process {
                flex-direction: column;
                gap: 30px;
            }
            .prototype-process::after {
                display: none;
            }
            .tk-table th, .tk-table td {
                padding: 10px 8px;
                font-size: 14px;
            }
            .contact-block {
                padding: 30px 20px;
            }
            .contact-info {
                flex-direction: column;
                align-items: center;
                gap: 15px;
            }
        }