:root {
            --primary-color: #1a365d;
            --secondary-color: #e63946;
            --accent-color: #a8dadc;
            --light-color: #f1faee;
            --dark-color: #0d1b2a;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.8;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color);
        }
        .navbar-nav .nav-link {
            color: var(--dark-color);
            font-weight: 500;
            transition: color 0.3s ease;
        }
        .navbar-nav .nav-link:hover {
            color: var(--secondary-color);
        }
        .hero {
            background: linear-gradient(rgba(26, 54, 93, 0.85), rgba(26, 54, 93, 0.9)), url('https://images.unsplash.com/photo-1497366216548-37526070297c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
            color: white;
            padding: 8rem 0;
        }
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
        }
        .section-title {
            position: relative;
            color: var(--primary-color);
            margin-bottom: 3rem;
            font-weight: 700;
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -10px;
            width: 80px;
            height: 4px;
            background-color: var(--secondary-color);
        }
        .text-center .section-title::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            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, 0.1);
        }
        .card-img-top {
            height: 220px;
            object-fit: cover;
        }
        .service-icon {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }
        .team-img {
            width: 150px;
            height: 150px;
            object-fit: cover;
            border-radius: 50%;
            border: 5px solid var(--accent-color);
        }
        .contact-info i {
            color: var(--secondary-color);
            margin-right: 10px;
        }
        .footer {
            background-color: var(--dark-color);
            color: var(--light-color);
            padding: 3rem 0 1.5rem;
        }
        .footer a {
            color: var(--accent-color);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer a:hover {
            color: white;
        }
        .friendlink .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px;
            background-color: var(--light-color);
            color: var(--primary-color);
            border-radius: 25px;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }
        .friendlink .flink:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--secondary-color);
        }
        .btn-custom {
            background-color: var(--secondary-color);
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            border: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-custom:hover {
            background-color: var(--primary-color);
            color: white;
            transform: scale(1.05);
        }
        .news-item {
            border-left: 4px solid var(--accent-color);
            padding-left: 15px;
            margin-bottom: 25px;
        }
        .sticky-top {
            top: 20px;
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }