:root {
            --primary-color: #0056b3;
            --secondary-color: #e9f2ff;
            --accent-color: #ff6b00;
            --dark-color: #1a365d;
            --light-color: #f8f9fa;
            --text-color: #333;
            --border-radius: 8px;
            --box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--text-color);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color);
        }
        .navbar-brand span {
            color: var(--accent-color);
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-color) 100%);
            color: white;
            padding: 120px 0 80px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB4PSIwIiB5PSIwIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgZmlsbD0icmdiYSgyNTUsMjU1LDI1NSwwLjA1KSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3QgeD0iMCIgeT0iMCIgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNwYXR0ZXJuKSIvPjwvc3ZnPg==');
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            font-weight: 700;
            color: var(--dark-color);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 70px;
            height: 4px;
            background: var(--accent-color);
            border-radius: 2px;
        }
        .text-center .section-title::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card-hover {
            transition: var(--transition);
            border: none;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            height: 100%;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .service-icon {
            width: 70px;
            height: 70px;
            background: var(--secondary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 28px;
            color: var(--primary-color);
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 10px 25px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: var(--dark-color);
            border-color: var(--dark-color);
            transform: translateY(-3px);
        }
        .btn-outline-primary {
            color: var(--primary-color);
            border-color: var(--primary-color);
            border-radius: 50px;
            padding: 10px 25px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-outline-primary:hover {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }
        .flink {
            display: inline-block;
            background: var(--light-color);
            padding: 8px 20px;
            margin: 5px;
            border-radius: 50px;
            color: var(--dark-color);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid #dee2e6;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .footer {
            background: var(--dark-color);
            color: white;
            padding-top: 60px;
        }
        .footer a {
            color: #c2d5ff;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer a:hover {
            color: white;
        }
        .contact-info li {
            margin-bottom: 15px;
            display: flex;
            align-items: flex-start;
        }
        .contact-info i {
            margin-right: 10px;
            margin-top: 5px;
            color: var(--accent-color);
        }
        .stats-box {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            text-align: center;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
        }
        .stats-box:hover {
            transform: translateY(-5px);
        }
        .stats-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-color);
            display: block;
            line-height: 1;
        }
        .stats-label {
            color: #666;
            font-size: 0.9rem;
        }
        .product-img {
            height: 200px;
            object-fit: cover;
            width: 100%;
            border-radius: var(--border-radius) var(--border-radius) 0 0;
        }
        .news-card {
            transition: var(--transition);
            border-radius: var(--border-radius);
            overflow: hidden;
            height: 100%;
            border: none;
            box-shadow: var(--box-shadow);
        }
        .news-card:hover {
            transform: translateY(-5px);
        }
        .news-date {
            background: var(--primary-color);
            color: white;
            display: inline-block;
            padding: 5px 15px;
            border-radius: 50px;
            font-size: 0.9rem;
            margin-bottom: 10px;
        }
        .map-container {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            height: 400px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 100px 0 60px;
                text-align: center;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .stats-number {
                font-size: 2rem;
            }
        }