:root {
            --primary-blue: #0056b3;
            --secondary-blue: #007bff;
            --accent-gold: #ffc107;
            --dark-bg: #1a365d;
            --light-bg: #f8f9fa;
            --text-dark: #333;
            --text-light: #6c757d;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif;
            color: var(--text-dark);
            overflow-x: hidden;
        }
        .navbar-brand img { height: 50px; }
        .hero-section {
            background: linear-gradient(rgba(0, 84, 179, 0.85), rgba(0, 123, 255, 0.8)), url('https://images.unsplash.com/photo-1469474968028-56623f02e42e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
            color: white;
            padding: 8rem 0;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 3rem;
            text-align: center;
            color: var(--primary-blue);
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: var(--accent-gold);
        }
        .card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }
        .card-img-top {
            height: 220px;
            object-fit: cover;
        }
        .btn-primary {
            background-color: var(--primary-blue);
            border-color: var(--primary-blue);
            padding: 0.75rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background-color: #004494;
            border-color: #004494;
            transform: scale(1.05);
        }
        .icon-box {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--secondary-blue), var(--primary-blue));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 1.8rem;
        }
        .testimonial-card {
            background: var(--light-bg);
            border-left: 5px solid var(--accent-gold);
            padding: 2rem;
        }
        .flink {
            display: inline-block;
            background: var(--light-bg);
            padding: 0.75rem 1.5rem;
            margin: 0.5rem;
            border-radius: 50px;
            color: var(--text-dark);
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid #dee2e6;
        }
        .flink:hover {
            background: var(--primary-blue);
            color: white;
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--dark-bg);
            color: white;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: white;
            text-decoration: underline;
        }
        .sticky-top { top: 20px; }
        @media (max-width: 768px) {
            .hero-section { padding: 5rem 0; }
            .display-4 { font-size: 2.2rem; }
        }
        .news-card .badge {
            position: absolute;
            top: 15px;
            right: 15px;
            z-index: 1;
        }
        .contact-info li {
            margin-bottom: 1rem;
            padding-left: 2rem;
            position: relative;
        }
        .contact-info li i {
            position: absolute;
            left: 0;
            top: 0.25rem;
            color: var(--primary-blue);
        }