:root {
            --primary-color: #1a5fb4;
            --secondary-color: #f8f9fa;
            --accent-color: #28a745;
            --text-dark: #333;
            --text-light: #666;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        body {
            font-family: "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--text-dark);
            line-height: 1.6;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), #0d4a9e);
            color: white;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
        }
        .nav-link {
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--accent-color) !important;
        }
        .hero-section {
            padding: 100px 0;
            background: url('https://images.unsplash.com/photo-1552667466-07770ae110d0?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            position: relative;
            color: white;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background: rgba(0, 0, 0, 0.6);
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .btn-primary {
            background-color: var(--accent-color);
            border: none;
            padding: 12px 30px;
            font-weight: 600;
            transition: background-color 0.3s, transform 0.3s;
        }
        .btn-primary:hover {
            background-color: #218838;
            transform: translateY(-3px);
        }
        section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.5rem;
            margin-bottom: 2rem;
            color: var(--primary-color);
            position: relative;
            padding-bottom: 15px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent-color);
        }
        .card {
            border: none;
            box-shadow: var(--shadow);
            transition: transform 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
        }
        .card-icon {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .news-item {
            border-left: 4px solid var(--primary-color);
            padding-left: 15px;
            margin-bottom: 25px;
            transition: border-color 0.3s;
        }
        .news-item:hover {
            border-color: var(--accent-color);
        }
        footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 60px 0 20px;
        }
        .footer-links a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: var(--accent-color);
        }
        .friendlink {
            background: var(--secondary-color);
            padding: 40px 0;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 12px 25px;
            margin: 10px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: scale(1.05);
        }
        .contact-info i {
            width: 30px;
            color: var(--accent-color);
        }
        .img-hover {
            overflow: hidden;
            border-radius: 10px;
        }
        .img-hover img {
            transition: transform 0.5s;
        }
        .img-hover:hover img {
            transform: scale(1.05);
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
            .hero-section {
                padding: 60px 0;
            }
            section {
                padding: 50px 0;
            }
        }