:root {
            --primary-color: #1a3a6c;
            --secondary-color: #c9a96e;
            --accent-color: #e63946;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --gray-color: #6c757d;
        }
        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            color: var(--dark-color);
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 600;
            color: var(--primary-color);
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
        }
        .navbar-brand span {
            color: var(--secondary-color);
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            padding: 0.5rem 1.2rem !important;
            transition: all 0.3s ease;
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            color: var(--secondary-color) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(26, 58, 108, 0.85), rgba(26, 58, 108, 0.9)), url('https://images.unsplash.com/photo-1589829545856-d10d557cf95f?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: 8rem 0 6rem;
            position: relative;
        }
        .hero-section h1 {
            color: white;
            margin-bottom: 1.5rem;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 3rem;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 3px;
            background-color: var(--secondary-color);
        }
        .section-title.center:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .service-card {
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            padding: 2rem;
            height: 100%;
            transition: all 0.3s ease;
            border-top: 4px solid var(--primary-color);
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            border-top-color: var(--secondary-color);
        }
        .service-icon {
            width: 70px;
            height: 70px;
            background-color: rgba(26, 58, 108, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: var(--primary-color);
            font-size: 1.8rem;
        }
        .team-card {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            background: white;
        }
        .team-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .team-img {
            height: 280px;
            overflow: hidden;
        }
        .team-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .team-card:hover .team-img img {
            transform: scale(1.05);
        }
        .flink {
            display: inline-block;
            padding: 8px 15px;
            background-color: #f8f9fa;
            border-radius: 5px;
            margin: 5px;
            text-decoration: none;
            color: var(--primary-color);
            font-weight: 500;
            transition: all 0.3s ease;
            border: 1px solid #eaeaea;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .contact-box {
            background-color: #f8f9fa;
            border-radius: 10px;
            padding: 2rem;
            text-align: center;
            height: 100%;
            border-left: 4px solid var(--secondary-color);
        }
        .contact-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 12px 30px;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            background-color: #152a4d;
            border-color: #152a4d;
            transform: translateY(-3px);
        }
        .btn-secondary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            color: white;
            padding: 12px 30px;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            background-color: #b5975a;
            border-color: #b5975a;
            color: white;
            transform: translateY(-3px);
        }
        .news-card {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            height: 100%;
        }
        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        .news-date {
            position: absolute;
            top: 15px;
            left: 15px;
            background-color: var(--secondary-color);
            color: white;
            padding: 8px 15px;
            border-radius: 5px;
            font-weight: 500;
        }
        .stat-box {
            text-align: center;
            padding: 2rem;
            background-color: rgba(26, 58, 108, 0.05);
            border-radius: 10px;
            transition: all 0.3s ease;
        }
        .stat-box:hover {
            background-color: rgba(26, 58, 108, 0.1);
            transform: translateY(-5px);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-color);
            line-height: 1;
        }
        .testimonial-card {
            background-color: white;
            border-radius: 10px;
            padding: 2rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            height: 100%;
            border-left: 4px solid var(--secondary-color);
        }
        .testimonial-author {
            font-weight: 600;
            color: var(--primary-color);
            margin-top: 1.5rem;
        }
        .footer {
            background-color: var(--primary-color);
            color: white;
            padding: 4rem 0 1.5rem;
        }
        .footer a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .footer a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        .footer-title {
            color: white;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background-color: var(--secondary-color);
        }
        .copyright {
            background-color: rgba(0, 0, 0, 0.2);
            padding: 1.5rem 0;
            margin-top: 3rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--secondary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: var(--primary-color);
            transform: translateY(-5px);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 6rem 0 4rem;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .team-img {
                height: 220px;
            }
        }