:root {
            --primary-color: #1a3a6c;
            --secondary-color: #e6a23c;
            --accent-color: #2d5f9e;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
            --success-color: #28a745;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        .section-header {
            position: relative;
            margin-bottom: 3rem;
            text-align: center;
        }
        .section-header h2 {
            font-weight: 700;
            color: var(--primary-color);
            display: inline-block;
            padding-bottom: 15px;
        }
        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .hero-section {
            background: linear-gradient(rgba(26, 58, 108, 0.85), rgba(26, 58, 108, 0.9)), url('https://images.unsplash.com/photo-1554224155-6726b3ff858f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
            color: white;
            padding: 180px 0 120px;
            position: relative;
        }
        .hero-section h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
        }
        .hero-section p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 2rem;
        }
        .btn-primary-custom {
            background-color: var(--secondary-color);
            border: none;
            padding: 12px 32px;
            font-weight: 600;
            border-radius: 30px;
            transition: var(--transition);
            color: #333;
        }
        .btn-primary-custom:hover {
            background-color: #ffb020;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            color: #000;
        }
        .navbar {
            background-color: rgba(255,255,255,0.95) !important;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
            padding: 15px 0;
            transition: var(--transition);
        }
        .navbar-brand {
            font-weight: 800;
            color: var(--primary-color) !important;
            font-size: 1.8rem;
        }
        .nav-link {
            font-weight: 600;
            color: var(--dark-color) !important;
            margin: 0 8px;
            position: relative;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary-color);
            transition: var(--transition);
        }
        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary-color) !important;
        }
        .info-card {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            height: 100%;
            transition: var(--transition);
            border-top: 4px solid var(--accent-color);
        }
        .info-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.12);
        }
        .info-card i {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
        }
        .service-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 1.8rem;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
        }
        .stat-label {
            font-size: 1rem;
            color: #666;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .partner-logo {
            filter: grayscale(100%);
            opacity: 0.7;
            transition: var(--transition);
            padding: 15px;
            max-height: 80px;
        }
        .partner-logo:hover {
            filter: grayscale(0);
            opacity: 1;
            transform: scale(1.05);
        }
        .footer {
            background-color: var(--primary-color);
            color: white;
            padding: 60px 0 30px;
        }
        .footer a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer a:hover {
            color: var(--secondary-color);
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            margin-top: 40px;
            font-size: 0.9rem;
            color: #aaa;
        }
        .flink {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            color: #ddd;
            padding: 8px 20px;
            border-radius: 30px;
            margin: 5px;
            transition: var(--transition);
            text-decoration: none !important;
        }
        .flink:hover {
            background: var(--secondary-color);
            color: #333;
            transform: translateY(-3px);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--secondary-color);
            color: #333;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: #ffb020;
            color: #000;
            transform: translateY(-5px);
        }
        .news-card {
            border: 1px solid #eee;
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .news-card:hover {
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            transform: translateY(-5px);
        }
        .news-date {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--secondary-color);
            color: #333;
            padding: 8px 15px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .contact-info-item {
            display: flex;
            align-items: center;
            margin-bottom: 1.5rem;
        }
        .contact-icon {
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .hero-section {
                padding: 120px 0 80px;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            .stat-number {
                font-size: 2.5rem;
            }
        }