:root {
            --primary-color: #1a5276;
            --secondary-color: #e74c3c;
            --accent-color: #f39c12;
            --dark-color: #2c3e50;
            --light-color: #ecf0f1;
            --text-color: #333;
            --border-radius: 8px;
            --box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--dark-color);
        }
        a {
            text-decoration: none;
            color: var(--primary-color);
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: var(--box-shadow);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .nav-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-color);
        }
        .nav-logo span {
            color: var(--secondary-color);
        }
        .nav-menu {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
        .nav-menu a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--secondary-color);
            transition: var(--transition);
        }
        .nav-menu a:hover::after {
            width: 100%;
        }
        .hero {
            background: linear-gradient(rgba(26, 82, 118, 0.85), rgba(44, 62, 80, 0.9)), url('https://images.unsplash.com/photo-1551958219-acbc608c6377?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 8rem 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 3.5rem;
            color: white;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 2rem;
        }
        .btn-primary {
            display: inline-block;
            background-color: var(--secondary-color);
            color: white;
            padding: 0.8rem 2rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: #c0392b;
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        .services {
            padding: 5rem 0;
            background-color: #f9f9f9;
        }
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-title h2 {
            font-size: 2.5rem;
            position: relative;
            display: inline-block;
            padding-bottom: 1rem;
        }
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--secondary-color);
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .card {
            background-color: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .card-img {
            height: 200px;
            width: 100%;
            object-fit: cover;
        }
        .card-content {
            padding: 1.5rem;
        }
        .card-content h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }
        .stats {
            padding: 5rem 0;
            background-color: var(--primary-color);
            color: white;
        }
        .stats h2 {
            color: white;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            text-align: center;
        }
        .stat-item h3 {
            font-size: 3rem;
            color: var(--accent-color);
            margin-bottom: 0.5rem;
        }
        .team {
            padding: 5rem 0;
        }
        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .team-member {
            text-align: center;
        }
        .team-img {
            width: 200px;
            height: 200px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 1.5rem;
            border: 5px solid var(--light-color);
            transition: var(--transition);
        }
        .team-member:hover .team-img {
            transform: scale(1.05);
            border-color: var(--secondary-color);
        }
        .footer {
            background-color: var(--dark-color);
            color: white;
            padding: 4rem 0 2rem;
        }
        .footer a {
            color: #ddd;
        }
        .footer a:hover {
            color: white;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        .friendlink {
            padding: 3rem 0;
            background-color: #f0f0f0;
        }
        .flink-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .flink {
            background-color: white;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
            transition: var(--transition);
        }
        .flink:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 15px rgba(0,0,0,0.1);
            background-color: var(--primary-color);
            color: white;
        }
        .flink:hover a {
            color: white;
        }
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 2.8rem;
            }
            .nav-menu {
                gap: 1.2rem;
            }
        }
        @media (max-width: 768px) {
            .hero {
                padding: 5rem 0;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .section-title h2 {
                font-size: 2rem;
            }
            .nav-menu {
                flex-direction: column;
                gap: 0.8rem;
            }
            .flink-container {
                gap: 1rem;
            }
            .flink {
                padding: 0.6rem 1.2rem;
            }
        }
        @media (max-width: 576px) {
            .hero h1 {
                font-size: 1.8rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .stat-item h3 {
                font-size: 2.5rem;
            }
        }