:root {
            --primary-color: #0a4c8c;
            --secondary-color: #1a7ab9;
            --accent-color: #f8b700;
            --dark-color: #1e2a38;
            --light-color: #f8f9fa;
            --text-dark: #333333;
            --text-light: #666666;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 700;
            color: var(--dark-color);
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            text-align: center;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent-color);
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .navbar-brand span {
            color: var(--accent-color);
        }
        .navbar {
            padding: 15px 0;
            background-color: rgba(255, 255, 255, 0.95) !important;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
        }
        .nav-link {
            font-weight: 600;
            margin: 0 8px;
            color: var(--dark-color) !important;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(26, 122, 185, 0.85), rgba(10, 76, 140, 0.9)), url('https://images.unsplash.com/photo-1551434678-e076c223a692?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 150px 0 100px;
            position: relative;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 25px;
        }
        .hero-section p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 4px;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        }
        .btn-outline-light {
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 4px;
            transition: var(--transition);
        }
        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }
        .feature-box {
            background: white;
            padding: 40px 30px;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            height: 100%;
            text-align: center;
        }
        .feature-box:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
        }
        .feature-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: white;
            font-size: 32px;
        }
        .about-section {
            padding: 100px 0;
            background-color: #f8fafc;
        }
        .about-img {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .services-section {
            padding: 100px 0;
        }
        .service-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            height: 100%;
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
        }
        .service-img {
            height: 200px;
            overflow: hidden;
        }
        .service-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .service-card:hover .service-img img {
            transform: scale(1.05);
        }
        .service-content {
            padding: 30px;
        }
        .numbers-section {
            background: linear-gradient(rgba(10, 76, 140, 0.9), rgba(26, 122, 185, 0.9)), url('https://images.unsplash.com/photo-1611974789855-9c2a0a7236a3?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 80px 0;
        }
        .counter-item {
            text-align: center;
            padding: 20px;
        }
        .counter {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: white;
        }
        .team-section {
            padding: 100px 0;
            background-color: #f8fafc;
        }
        .team-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            height: 100%;
        }
        .team-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
        }
        .team-img {
            height: 280px;
            overflow: hidden;
        }
        .team-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .team-card:hover .team-img img {
            transform: scale(1.05);
        }
        .team-info {
            padding: 25px;
            text-align: center;
        }
        .contact-section {
            padding: 100px 0;
        }
        .contact-info-box {
            background: white;
            padding: 40px 30px;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            height: 100%;
        }
        .contact-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            color: white;
            font-size: 24px;
            flex-shrink: 0;
        }
        .footer {
            background-color: var(--dark-color);
            color: #ddd;
            padding: 70px 0 0;
        }
        .footer h5 {
            color: white;
            margin-bottom: 25px;
            font-size: 1.2rem;
        }
        .footer-links a {
            color: #bbb;
            text-decoration: none;
            display: block;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        .copyright {
            background-color: rgba(0, 0, 0, 0.2);
            padding: 25px 0;
            margin-top: 50px;
            text-align: center;
        }
        .friendlink {
            background-color: #f8f9fa;
            padding: 60px 0;
            border-top: 1px solid #eee;
            border-bottom: 1px solid #eee;
        }
        .flink {
            background: white;
            border: 1px solid #eaeaea;
            border-radius: 8px;
            padding: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100%;
            transition: var(--transition);
            text-decoration: none;
            color: var(--text-dark);
        }
        .flink:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            border-color: var(--primary-color);
            color: var(--primary-color);
        }
        .flink-logo {
            max-height: 30px;
            max-width: 120px;
            margin-right: 10px;
        }
        .map-container {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            height: 400px;
        }
        .map-container iframe {
            width: 100%;
            height: 100%;
            border: 0;
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(10, 76, 140, 0.05);
            color: var(--primary-color);
            font-weight: 600;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(10, 76, 140, 0.2);
        }
        .timeline {
            position: relative;
            padding-left: 30px;
        }
        .timeline:before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
        }
        .timeline-item {
            position: relative;
            margin-bottom: 30px;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -36px;
            top: 5px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background-color: var(--primary-color);
            border: 3px solid white;
            box-shadow: 0 0 0 3px rgba(10, 76, 140, 0.2);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 120px 0 80px;
            }
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .counter {
                font-size: 2.5rem;
            }
            .navbar-nav {
                background-color: white;
                padding: 15px;
                border-radius: 10px;
                box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            }
        }
        @media (max-width: 576px) {
            .hero-section h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .feature-box, .service-card, .team-card {
                margin-bottom: 30px;
            }
        }