/* 与整站一致的视觉体系 */
        :root {
            --primary: #1a6fc4;
            --primary-light: #2a9df4;
            --glass: rgba(255, 255, 255, 0.8);
            --glass-border: rgba(135, 206, 235, 0.3);
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --radius: 20px;
        }

        body {
            margin: 0;
            font-family: 'Microsoft YaHei', Arial, sans-serif;
            background: linear-gradient(135deg, #f0f8ff 0%, #e6f4ff 100%);
            color: #333;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* 主体容器 */
        .solution-container {
            max-width: 1200px;
            margin: 100px auto 40px;
            padding: 0 20px;
            flex: 1;
        }

        /* 页面头部 - 玻璃拟态 */
        .page-header {
            text-align: center;
            padding: 50px 40px;
            background: var(--glass);
            backdrop-filter: blur(10px);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--glass-border);
            margin-bottom: 50px;
        }

        .page-header h1 {
            font-size: 42px;
            color: var(--primary);
            margin-bottom: 15px;
            position: relative;
        }

        .page-header h1::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            border-radius: 2px;
        }

        .page-header p {
            font-size: 18px;
            color: #666;
            margin-top: 25px;
            line-height: 1.6;
        }

        /* 方案导航 - 玻璃拟态 */
        .solution-nav {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }

        .nav-btn {
            background: var(--glass);
            backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            padding: 12px 30px;
            border-radius: 30px;
            cursor: pointer;
            font-size: 16px;
            color: var(--primary);
            transition: all 0.3s;
            box-shadow: var(--shadow);
        }

        .nav-btn:hover,
        .nav-btn.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(26, 111, 196, 0.3);
        }

        /* 方案内容区 - 玻璃拟态 */
        .solution-content {
            background: var(--glass);
            backdrop-filter: blur(10px);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--glass-border);
            padding: 40px;
        }

        .solution-panel {
            display: none;
            animation: fadeIn 0.5s ease forwards;
        }

        .solution-panel.active {
            display: block;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .solution-panel h2 {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .solution-panel > p {
            font-size: 16px;
            line-height: 1.8;
            color: #555;
            margin-bottom: 30px;
        }

        /* 场景卡片 - 玻璃拟态 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .scene-card {
            background: var(--glass);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--glass-border);
            transition: all 0.3s;
        }

        .scene-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        .scene-img {
            height: 180px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 60px;
            color: white;
        }

        .scene-info {
            padding: 25px;
        }

        .scene-info h3 {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .scene-info p {
            font-size: 15px;
            color: #666;
            line-height: 1.6;
            margin-bottom: 15px;
        }

        .scene-features {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .scene-features li {
            font-size: 14px;
            color: #555;
            padding-left: 20px;
            position: relative;
            margin-bottom: 8px;
        }

        .scene-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
        }

        /* 推荐产品 - 玻璃拟态 */
        .products-recommend {
            margin-top: 40px;
        }

        .products-recommend h3 {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .product-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .product-card {
            background: var(--glass);
            backdrop-filter: blur(10px);
            padding: 20px;
            border-radius: 15px;
            box-shadow: var(--shadow);
            border: 1px solid var(--glass-border);
            text-align: center;
            transition: all 0.3s;
        }

        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }

        .product-icon {
            font-size: 40px;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .product-name {
            font-size: 16px;
            color: #333;
            margin-bottom: 5px;
        }

        .product-desc {
            font-size: 14px;
            color: #666;
        }

        /* 服务流程 - 玻璃拟态 */
        .service-flow {
            margin-top: 40px;
        }

        .service-flow h3 {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 20px;
            text-align: center;
        }

        .flow-steps {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .flow-step {
            flex: 1;
            min-width: 180px;
            background: var(--glass);
            backdrop-filter: blur(10px);
            padding: 25px 15px;
            border-radius: 15px;
            box-shadow: var(--shadow);
            border: 1px solid var(--glass-border);
            text-align: center;
            position: relative;
        }

        .flow-step::after {
            content: '→';
            position: absolute;
            right: -30px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 24px;
            color: var(--primary);
        }

        .flow-step:last-child::after {
            display: none;
        }

        .step-number {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            font-weight: bold;
        }

        .step-title {
            font-size: 16px;
            color: #333;
            margin-bottom: 8px;
        }

        .step-desc {
            font-size: 14px;
            color: #666;
        }

        /* 响应式 */
        @media (max-width: 768px) {
            .solution-container {
                margin: 80px auto 20px;
                padding: 0 15px;
            }

            .page-header {
                padding: 30px 20px;
            }

            .page-header h1 {
                font-size: 32px;
            }

            .solution-nav {
                gap: 10px;
            }

            .nav-btn {
                padding: 10px 20px;
                font-size: 14px;
            }

            .solution-content {
                padding: 25px 20px;
            }

            .solution-panel h2 {
                font-size: 24px;
            }

            .scene-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .product-cards {
                grid-template-columns: repeat(2, 1fr);
            }

            .flow-steps {
                flex-direction: column;
            }

            .flow-step::after {
                display: none;
            }
        }

        @media (max-width: 480px) {
            .product-cards {
                grid-template-columns: 1fr;
            }
        }