:root {
            --primary-color: #1a365d;
            --secondary-color: #ed8936;
            --accent-color: #38b2ac;
            --light-color: #f7fafc;
            --dark-color: #2d3748;
            --text-color: #4a5568;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: var(--text-color);
            line-height: 1.8;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.98) !important;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            padding: 1rem 0;
            transition: var(--transition);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .nav-link {
            color: var(--dark-color) !important;
            font-weight: 500;
            margin: 0 0.5rem;
            transition: var(--transition);
        }
        .nav-link:hover, .nav-link.active {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, #2c5282 100%);
            color: white;
            padding: 8rem 0 6rem;
            position: relative;
            overflow: hidden;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
        }
        .hero-section p.lead {
            font-size: 1.3rem;
            opacity: 0.9;
            margin-bottom: 2rem;
        }
        .btn-primary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            padding: 0.75rem 2rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: #dd6b20;
            border-color: #dd6b20;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(237, 137, 54, 0.2);
        }
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
        }
        .section-title:after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            margin: 0.5rem auto 0;
            border-radius: 2px;
        }
        .service-card, .case-card, .news-card {
            height: 100%;
            border: none;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            background: white;
        }
        .service-card:hover, .case-card:hover, .news-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .service-icon {
            font-size: 3rem;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            display: inline-block;
        }
        .bg-light-accent {
            background-color: #f0f9ff;
        }
        .team-member img {
            width: 150px;
            height: 150px;
            object-fit: cover;
            border: 5px solid white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .contact-info i {
            color: var(--secondary-color);
            font-size: 1.5rem;
            margin-right: 1rem;
        }
        .friendlink .flink {
            display: inline-block;
            margin: 0.5rem 1rem;
            color: var(--text-color);
            text-decoration: none;
            padding: 0.5rem 1.5rem;
            border: 1px solid #e2e8f0;
            border-radius: 50px;
            transition: var(--transition);
            background: white;
        }
        .friendlink .flink:hover {
            color: var(--secondary-color);
            border-color: var(--secondary-color);
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--primary-color);
            color: #cbd5e0;
        }
        footer a {
            color: #cbd5e0;
            text-decoration: none;
            transition: var(--transition);
        }
        footer a:hover {
            color: white;
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            margin: 0 0.5rem;
            transition: var(--transition);
        }
        .social-icons a:hover {
            background: var(--secondary-color);
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .hero-section {
                padding: 6rem 0 4rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }