:root {
            --primary-color: #1a365d;
            --secondary-color: #2d4a8a;
            --accent-color: #e6b325;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.8;
        }
        h1, h2, h3, h4, h5 {
            color: var(--primary-color);
            font-weight: 700;
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 1rem 0;
            transition: all 0.3s ease;
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--primary-color) !important;
        }
        .nav-link {
            color: var(--dark-color) !important;
            font-weight: 500;
            margin: 0 0.5rem;
            transition: color 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(26, 54, 93, 0.85), rgba(45, 74, 138, 0.9)), url('https://images.unsplash.com/photo-1497366754035-f200968a6e72?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80') no-repeat center center;
            background-size: cover;
            color: white;
            padding: 8rem 0;
            text-align: center;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
        }
        .section-padding {
            padding: 5rem 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background-color: var(--accent-color);
            margin: 1rem auto;
        }
        .card {
            border: none;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .card-icon {
            font-size: 2.5rem;
            color: var(--accent-color);
            margin-bottom: 1rem;
        }
        .team-member img {
            border-radius: 50%;
            width: 150px;
            height: 150px;
            object-fit: cover;
            border: 5px solid var(--light-color);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .contact-info i {
            color: var(--accent-color);
            margin-right: 10px;
        }
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 3rem 0 1.5rem;
        }
        footer a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        footer a:hover {
            color: var(--accent-color);
        }
        .friendlinks {
            background-color: var(--light-color);
            padding: 2rem 0;
            border-top: 1px solid #ddd;
            border-bottom: 1px solid #ddd;
        }
        .flink {
            display: inline-block;
            margin: 0.5rem 1rem;
            padding: 0.5rem 1rem;
            background-color: white;
            border-radius: 5px;
            color: var(--primary-color);
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid #ddd;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        .btn-custom {
            background-color: var(--accent-color);
            color: white;
            padding: 0.75rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            border: none;
            transition: all 0.3s;
        }
        .btn-custom:hover {
            background-color: #d19c1f;
            color: white;
            transform: scale(1.05);
        }
        .form-control:focus {
            border-color: var(--accent-color);
            box-shadow: 0 0 0 0.25rem rgba(230, 179, 37, 0.25);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .section-padding {
                padding: 3rem 0;
            }
        }