:root {
            --primary-color: #0d3c61;
            --secondary-color: #1a6fb3;
            --accent-color: #f8b739;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --text-color: #333;
            --border-radius: 8px;
            --transition-speed: 0.3s;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--text-color);
            line-height: 1.6;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            transition: color var(--transition-speed);
            padding: 0.5rem 1rem;
        }
        .navbar-nav .nav-link:hover {
            color: var(--accent-color) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(13, 60, 97, 0.9) 0%, rgba(26, 111, 179, 0.85) 100%), url('https://images.unsplash.com/photo-1553877522-43269d4ea984?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') no-repeat center center/cover;
            color: white;
            padding: 120px 0;
            position: relative;
        }
        .hero-content h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .hero-content p {
            font-size: 1.3rem;
            max-width: 700px;
            margin: 0 auto 2rem;
            opacity: 0.95;
        }
        .section-title {
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 3rem;
            position: relative;
            padding-bottom: 15px;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background-color: var(--accent-color);
        }
        .section-title.center:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card-hover {
            transition: transform var(--transition-speed), box-shadow var(--transition-speed);
            height: 100%;
            border: none;
            border-radius: var(--border-radius);
            overflow: hidden;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15) !important;
        }
        .icon-box {
            width: 80px;
            height: 80px;
            background-color: rgba(26, 111, 179, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: var(--secondary-color);
            font-size: 2rem;
        }
        .stats-counter {
            background-color: var(--primary-color);
            color: white;
            padding: 80px 0;
        }
        .stat-item {
            text-align: center;
            padding: 20px;
        }
        .stat-number {
            font-size: 3.5rem;
            font-weight: 700;
            color: var(--accent-color);
            margin-bottom: 10px;
        }
        .stat-label {
            font-size: 1.2rem;
            opacity: 0.9;
        }
        .team-member {
            text-align: center;
            margin-bottom: 30px;
        }
        .team-img {
            width: 180px;
            height: 180px;
            border-radius: 50%;
            object-fit: cover;
            border: 5px solid #f1f1f1;
            margin-bottom: 20px;
            transition: transform var(--transition-speed);
        }
        .team-member:hover .team-img {
            transform: scale(1.05);
        }
        .news-card {
            border-left: 4px solid var(--secondary-color);
            transition: all var(--transition-speed);
        }
        .news-card:hover {
            border-left-color: var(--accent-color);
            background-color: rgba(248, 183, 57, 0.05);
        }
        .contact-info-box {
            background-color: #f8f9fa;
            padding: 30px;
            border-radius: var(--border-radius);
            height: 100%;
            border-top: 4px solid var(--secondary-color);
        }
        .contact-info-box i {
            color: var(--secondary-color);
            margin-right: 10px;
            font-size: 1.2rem;
        }
        .footer {
            background-color: var(--primary-color);
            color: white;
            padding: 60px 0 20px;
        }
        .footer a {
            color: #ddd;
            text-decoration: none;
            transition: color var(--transition-speed);
        }
        .footer a:hover {
            color: var(--accent-color);
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.9rem;
            opacity: 0.8;
        }
        .friendlink {
            background-color: #f8f9fa;
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            background-color: white;
            padding: 12px 25px;
            margin: 8px;
            border-radius: 50px;
            color: var(--primary-color);
            font-weight: 500;
            text-decoration: none;
            border: 1px solid #e0e0e0;
            transition: all var(--transition-speed);
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        .flink:hover {
            background-color: var(--secondary-color);
            color: white;
            border-color: var(--secondary-color);
            transform: translateY(-3px);
        }
        .btn-primary-custom {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            padding: 12px 30px;
            font-weight: 600;
            transition: all var(--transition-speed);
        }
        .btn-primary-custom:hover {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }
        .btn-accent {
            background-color: var(--accent-color);
            border-color: var(--accent-color);
            color: var(--dark-color);
            font-weight: 600;
            padding: 12px 30px;
        }
        .btn-accent:hover {
            background-color: #e6a62e;
            border-color: #e6a62e;
            color: var(--dark-color);
        }
        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 2.5rem;
            }
            .hero-content p {
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .stat-number {
                font-size: 2.5rem;
            }
        }