:root {
            --primary-blue: #0a3d62;
            --secondary-blue: #1e5799;
            --accent-gold: #f6b93b;
            --light-bg: #f8f9fa;
            --dark-text: #2d3436;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: var(--dark-text);
            line-height: 1.6;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-blue) !important;
        }
        .nav-link {
            font-weight: 500;
            padding: 0.5rem 1.2rem !important;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--accent-gold) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
            color: white;
            padding: 8rem 0;
            position: relative;
            overflow: hidden;
        }
        .hero-section h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .hero-section .lead {
            font-size: 1.3rem;
            max-width: 700px;
            margin: 0 auto 2rem;
        }
        .section-title {
            color: var(--primary-blue);
            position: relative;
            padding-bottom: 1rem;
            margin-bottom: 3rem;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--accent-gold);
        }
        .service-card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.4s, box-shadow 0.4s;
            height: 100%;
            background: white;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .service-icon {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
        }
        .case-study-img {
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.5s;
        }
        .case-study-img:hover {
            transform: scale(1.03);
        }
        .flink {
            display: inline-block;
            background: var(--light-bg);
            padding: 10px 20px;
            border-radius: 6px;
            margin: 5px;
            color: var(--primary-blue);
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid #eaeaea;
        }
        .flink:hover {
            background: var(--primary-blue);
            color: white;
            transform: translateY(-3px);
        }
        .footer {
            background: var(--primary-blue);
            color: #ddd;
            padding: 4rem 0 2rem;
        }
        .footer a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer a:hover {
            color: var(--accent-gold);
        }
        .contact-info li {
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
        }
        .contact-info i {
            color: var(--accent-gold);
            margin-right: 10px;
            width: 20px;
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-blue);
        }
        .stats-label {
            font-size: 1rem;
            color: #666;
        }
        .btn-primary-custom {
            background: linear-gradient(to right, var(--primary-blue), var(--secondary-blue));
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(10, 61, 98, 0.2);
        }
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s, transform 0.8s;
        }
        .animate-on-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .hero-section {
                padding: 5rem 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }