:root {
            --primary-color: #1e3a8a;
            --secondary-color: #f59e0b;
            --accent-color: #10b981;
            --light-color: #f8fafc;
            --dark-color: #0f172a;
            --text-color: #334155;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--text-color);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .section-header {
            text-align: center;
            margin-bottom: 4rem;
            position: relative;
        }
        .section-header h2 {
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 1rem;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .section-header p {
            max-width: 700px;
            margin: 0 auto;
            color: #64748b;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .navbar-nav .nav-link {
            font-weight: 600;
            padding: 0.5rem 1.2rem !important;
            transition: all 0.3s ease;
            border-radius: 4px;
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            background-color: rgba(30, 58, 138, 0.1);
            color: var(--primary-color) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, #2563eb 100%);
            color: white;
            padding: 6rem 0;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.05)" d="M0,128L48,112C96,96,192,64,288,80C384,96,480,160,576,165.3C672,171,768,117,864,96C960,75,1056,85,1152,106.7C1248,128,1344,160,1392,176L1440,192L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') bottom center no-repeat;
            background-size: cover;
        }
        .hero-content h1 {
            font-weight: 800;
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        .hero-content p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }
        .btn-primary-custom {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            color: var(--dark-color);
            padding: 0.75rem 2rem;
            font-weight: 700;
            border-radius: 8px;
            transition: all 0.3s ease;
        }
        .btn-primary-custom:hover {
            background-color: #e59a0a;
            border-color: #e59a0a;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(245, 158, 11, 0.2);
        }
        .feature-card {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            height: 100%;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            border: 1px solid #e2e8f0;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            border-color: var(--primary-color);
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary-color), #3b82f6);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: white;
            font-size: 1.8rem;
        }
        .feature-card h4 {
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .service-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            height: 100%;
            border: 1px solid #e2e8f0;
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .service-img {
            height: 200px;
            width: 100%;
            background-color: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-color);
            font-size: 3rem;
        }
        .service-content {
            padding: 1.5rem;
        }
        .service-content h4 {
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 0.8rem;
        }
        .stats-section {
            background: linear-gradient(135deg, var(--dark-color) 0%, #1e293b 100%);
            color: white;
            padding: 5rem 0;
        }
        .stat-item {
            text-align: center;
            padding: 1rem;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--secondary-color);
            margin-bottom: 0.5rem;
            line-height: 1;
        }
        .stat-label {
            font-size: 1.1rem;
            opacity: 0.9;
        }
        .team-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            height: 100%;
        }
        .team-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .team-img {
            height: 250px;
            width: 100%;
            background-color: #e2e8f0;
        }
        .team-content {
            padding: 1.5rem;
        }
        .team-content h5 {
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 0.3rem;
        }
        .team-content .position {
            color: var(--secondary-color);
            font-weight: 600;
            margin-bottom: 0.8rem;
        }
        .contact-info {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            height: 100%;
        }
        .contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1.5rem;
        }
        .contact-icon {
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
            margin-right: 1rem;
            flex-shrink: 0;
        }
        .contact-form {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .form-control {
            padding: 0.75rem 1rem;
            border: 1px solid #cbd5e1;
            border-radius: 8px;
            margin-bottom: 1.2rem;
            transition: all 0.3s ease;
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
        }
        footer {
            background: var(--dark-color);
            color: white;
            padding-top: 4rem;
        }
        .footer-links h5 {
            color: white;
            margin-bottom: 1.5rem;
            font-weight: 700;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        .copyright {
            border-top: 1px solid #334155;
            padding: 1.5rem 0;
            margin-top: 3rem;
            text-align: center;
            color: #94a3b8;
        }
        .flink {
            display: inline-block;
            background: #f1f5f9;
            padding: 0.6rem 1.5rem;
            margin: 0.5rem;
            border-radius: 8px;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            border: 1px solid #e2e8f0;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .friendlink {
            background: #f8fafc;
            padding: 5rem 0;
        }
        .news-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            height: 100%;
            border: 1px solid #e2e8f0;
        }
        .news-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .news-date {
            background: var(--primary-color);
            color: white;
            padding: 0.5rem 1rem;
            display: inline-block;
            border-radius: 0 0 8px 8px;
            font-weight: 600;
        }
        .news-content {
            padding: 1.5rem;
        }
        .news-content h4 {
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 0.8rem;
        }
        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 2.5rem;
            }
            .section-header {
                margin-bottom: 2.5rem;
            }
        }