:root {
            --primary-color: #1a237e;
            --secondary-color: #3949ab;
            --accent-color: #00acc1;
            --light-bg: #f8f9fa;
            --dark-text: #212529;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--dark-text);
            line-height: 1.6;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .nav-link {
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--accent-color) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        .hero-section h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 20px;
        }
        .hero-section p {
            font-size: 1.2rem;
            margin-bottom: 30px;
        }
        .btn-primary-custom {
            background-color: var(--accent-color);
            border: none;
            padding: 12px 30px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-primary-custom:hover {
            background-color: #00838f;
            transform: translateY(-3px);
        }
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 50px;
            color: var(--primary-color);
            position: relative;
        }
        .section-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--accent-color);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
        }
        .service-card, .product-card, .team-card, .news-card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
            background: white;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .service-card:hover, .product-card:hover, .team-card:hover, .news-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .card-icon {
            font-size: 3rem;
            color: var(--accent-color);
            margin-bottom: 20px;
        }
        .team-card img {
            height: 250px;
            object-fit: cover;
        }
        .news-card img {
            height: 200px;
            object-fit: cover;
        }
        .contact-info i {
            color: var(--accent-color);
            margin-right: 10px;
        }
        .footer {
            background-color: var(--primary-color);
            color: white;
            padding: 60px 0 20px;
        }
        .footer a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer a:hover {
            color: white;
        }
        .friend-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }
        .flink {
            background: rgba(255,255,255,0.1);
            padding: 10px 15px;
            border-radius: 8px;
            text-align: center;
            transition: all 0.3s;
        }
        .flink:hover {
            background: var(--accent-color);
            transform: scale(1.05);
        }
        .flink a {
            color: white;
            font-weight: 500;
        }
        .flink a:hover {
            text-decoration: none;
        }
        .schema-json {
            display: none;
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .friend-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }