:root {
            --primary-blue: #1a3a8f;
            --secondary-blue: #2a56c6;
            --accent-gold: #d4af37;
            --light-bg: #f8f9fa;
            --dark-text: #212529;
            --gray-border: #dee2e6;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--dark-text);
            line-height: 1.8;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--primary-blue);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-blue) !important;
        }
        .navbar-brand span {
            color: var(--accent-gold);
        }
        .nav-link {
            font-weight: 600;
            margin: 0 0.5rem;
            transition: var(--transition);
            border-bottom: 2px solid transparent;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--secondary-blue) !important;
            border-bottom-color: var(--accent-gold);
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
            color: white;
            padding: 8rem 0 6rem;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('https://images.unsplash.com/photo-1611974789855-9c2a0a7236a3?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 1;
        }
        .section-title {
            position: relative;
            padding-bottom: 1rem;
            margin-bottom: 3rem;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: var(--transition);
            height: 100%;
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(26, 58, 143, 0.15);
        }
        .card-icon {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
        }
        .service-card {
            border-top: 4px solid var(--accent-gold);
        }
        .data-stats {
            background: var(--light-bg);
            border-radius: 12px;
            padding: 2rem;
            text-align: center;
            transition: var(--transition);
        }
        .data-stats:hover {
            background: white;
            box-shadow: 0 10px 25px rgba(0,0,0,0.08);
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-blue);
            line-height: 1;
        }
        .btn-primary {
            background: linear-gradient(to right, var(--primary-blue), var(--secondary-blue));
            border: none;
            border-radius: 30px;
            padding: 0.75rem 2rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(26, 58, 143, 0.3);
        }
        .btn-outline-primary {
            color: var(--primary-blue);
            border-color: var(--primary-blue);
            border-radius: 30px;
            padding: 0.75rem 2rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-outline-primary:hover {
            background: var(--primary-blue);
            color: white;
            transform: translateY(-3px);
        }
        .news-card {
            border-left: 4px solid var(--accent-gold);
        }
        .news-date {
            color: var(--secondary-blue);
            font-weight: 600;
            font-size: 0.9rem;
        }
        .contact-info-box {
            background: var(--light-bg);
            padding: 2rem;
            border-radius: 12px;
            border-left: 4px solid var(--accent-gold);
        }
        .contact-icon {
            font-size: 1.5rem;
            color: var(--accent-gold);
            width: 50px;
            height: 50px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
        }
        footer {
            background: #0d1b3e;
            color: rgba(255,255,255,0.8);
        }
        footer a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: var(--transition);
        }
        footer a:hover {
            color: white;
            padding-left: 5px;
        }
        .footer-divider {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin: 2rem 0;
        }
        .flink {
            display: inline-block;
            background: rgba(255,255,255,0.05);
            padding: 0.5rem 1.5rem;
            border-radius: 30px;
            margin: 0.5rem;
            transition: var(--transition);
            color: rgba(255,255,255,0.8);
            text-decoration: none;
        }
        .flink:hover {
            background: rgba(255,255,255,0.1);
            color: white;
            transform: translateY(-3px);
        }
        .company-intro {
            font-size: 1.1rem;
            line-height: 2;
            text-align: justify;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 6rem 0 4rem;
            }
            .stats-number {
                font-size: 2.5rem;
            }
            .navbar-collapse {
                background: white;
                padding: 1rem;
                border-radius: 10px;
                box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            }
        }
        .breadcrumb {
            background: transparent;
            padding: 1rem 0;
        }
        .breadcrumb-item a {
            color: var(--primary-blue);
            text-decoration: none;
        }
        .form-control:focus {
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 0.25rem rgba(212, 175, 55, 0.25);
        }
        .map-container {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            height: 400px;
        }
        .partner-logo {
            filter: grayscale(100%);
            opacity: 0.7;
            transition: var(--transition);
            max-height: 60px;
            width: auto;
        }
        .partner-logo:hover {
            filter: grayscale(0%);
            opacity: 1;
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(26, 58, 143, 0.05);
            color: var(--primary-blue);
            font-weight: 600;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 0.25rem rgba(212, 175, 55, 0.25);
        }
        .timeline-item {
            border-left: 3px solid var(--accent-gold);
            padding-left: 2rem;
            padding-bottom: 2rem;
            position: relative;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -8px;
            top: 0;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-gold);
        }