:root {
            --primary-color: #1a6bc9;
            --secondary-color: #0c3b78;
            --accent-color: #00a8e8;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            color: var(--dark-color);
            overflow-x: hidden;
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            padding: 15px 0;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--secondary-color);
        }
        .navbar-brand span {
            color: var(--primary-color);
        }
        .nav-link {
            font-weight: 500;
            margin: 0 8px;
            color: var(--dark-color) !important;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--primary-color) !important;
        }
        .navbar-toggler {
            border: none;
            padding: 0;
        }
        .hero-section {
            background: var(--gradient-primary);
            color: white;
            padding: 120px 0 100px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB2aWV3Qm94PSIwIDAgMTI4MCAxNDAiIHByZXNlcnZlQXNwZWN0UmF0aW89Im5vbmUiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PGcgZmlsbD0iIzAwMDAwMCIgZmlsbC1vcGFjaXR5PSIwLjEiPjxwYXRoIGQ9Ik0wIDU2TDM0LjcgNzJMNjkuNCA1NiAxMDQuMiA3MiAxMzkgNTYgMTczLjcgNzIgMjA4LjQgNTYgMjQzLjIgNzIgMjc4IDU2IDMxMi43IDcyIDM0Ny40IDU2IDM4Mi4yIDcyIDQxNyA1NiA0NTEuNyA3MiA0ODYuNCA1NiA1MjEuMiA3MiA1NTYgNTYgNTkwLjcgNzIgNjI1LjQgNTYgNjYwLjIgNzIgNjk1IDU2IDcyOS43IDcyIDc2NC40IDU2IDc5OS4yIDcyIDgzNCA1NiA4NjguNyA3MiA5MDMuNCA1NiA5MzguMiA3MiA5NzMgNTYgMTAwNy43IDcyIDEwNDIuNCA1NiAxMDc3LjIgNzIgMTEyMCA1NiAxMTU0LjcgNzIgMTE4OS40IDU2IDEyMjQuMiA3MiAxMjU5IDU2IDEyOTMuNyA3MiAxMzI4LjQgNTYgMTM2My4yIDcyIDEzOTggNTYgMTQzMi43IDcyIDE0NjcuNCA1NiAxNTAyLjIgNzIgMTUzNyA1NiAxNTcxLjcgNzIgMTYwNi40IDU2IDE2NDEuMiA3MiAxNjc2IDU2IDE3MTAuNyA3MiAxNzQ1LjQgNTYgMTc4MC4yIDcyIDE4MTUgNTYgMTg0OS43IDcyIDE4ODQuNCA1NiAxOTE5LjIgNzIgMTk1NCA1NiAxOTg4LjcgNzIgMjAyMy40IDU2IDIwNTguMiA3MiAyMDkzIDU2IDIxMjcuNyA3MiAyMTYyLjQgNTYgMjE5Ny4yIDcyIDIyMzIgNTZMMjI2Ni43IDcyIDIzMDEuNCA1NiAyMzM2LjIgNzIgMjM3MSA1NiAyNDA1LjcgNzIgMjQ0MC40IDU2IDI0NzUuMiA3MiAyNTEwIDU2IDI1NDQuNyA3MiAyNTc5LjQgNTYgMjYxNC4yIDcyIDI2NDkgNTZMMjY4My43IDcyIDI3MTguNCA1NiAyNzUzLjIgNzIgMjc4OCA1NiAyODIyLjcgNzIgMjg1Ny40IDU2IDI4OTIuMiA3MiAyOTI3IDU2IDI5NjEuNyA3MiAyOTk2LjQgNTYgMzAzMS4yIDcyIDMwNjYgNTZMMzEwMC43IDcyIDMxMzUuNCA1NiAzMTcwLjIgNzIgMzIwNSA1NkwzMjM5LjcgNzIgMzI3NC40IDU2IDMzMDkuMiA3MiAzMzQ0IDU2TDMzNzguNyA3MiAzNDEzLjQgNTYgMzQ0OC4yIDcyIDM0ODMgNTZMMzUxNy43IDcyIDM1NTIuNCA1NiAzNTg3LjIgNzIgMzYyMiA1NkwzNjU2LjcgNzIgMzY5MS40IDU2IDM3MjYuMiA3MiAzNzYxIDU2SDM4NDB2ODRIMHY4NEgxMjgwVjU2SDB6Ii8+PC9nPjwvc3ZnPg==');
            opacity: 0.15;
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            margin-bottom: 25px;
            line-height: 1.2;
        }
        .hero-subtitle {
            font-size: 1.25rem;
            margin-bottom: 35px;
            opacity: 0.9;
            max-width: 700px;
        }
        .service-card, .case-card, .team-card {
            transition: all 0.3s ease;
            border: none;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            height: 100%;
            border-radius: 12px;
            overflow: hidden;
        }
        .service-card:hover, .case-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .service-icon {
            width: 70px;
            height: 70px;
            background: var(--gradient-primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
        }
        .team-card {
            text-align: center;
            padding: 25px 20px;
        }
        .team-img {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 20px;
            border: 5px solid var(--light-color);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .section-divider {
            height: 4px;
            width: 80px;
            background: var(--accent-color);
            margin: 30px auto;
            border-radius: 2px;
        }
        .footer {
            background-color: var(--secondary-color);
            color: rgba(255, 255, 255, 0.8);
            padding-top: 70px;
        }
        .footer h5 {
            color: white;
            margin-bottom: 25px;
            font-weight: 600;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            display: block;
            margin-bottom: 12px;
            transition: all 0.3s;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            background-color: rgba(0, 0, 0, 0.2);
            padding: 25px 0;
            margin-top: 50px;
            font-size: 0.9rem;
        }
        .friendlink {
            background-color: #f9f9f9;
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 12px 25px;
            margin: 8px;
            border-radius: 8px;
            color: var(--dark-color);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
            border: 1px solid #eee;
        }
        .flink:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
            color: var(--primary-color);
            border-color: var(--primary-color);
        }
        .btn-primary {
            background: var(--gradient-primary);
            border: none;
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(26, 107, 201, 0.2);
        }
        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.3);
            padding: 10px 28px;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.3s;
        }
        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: white;
        }
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.5rem;
            }
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1.1rem;
            }
            .section-padding {
                padding: 60px 0;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-on-scroll {
            animation: fadeInUp 0.8s ease forwards;
        }
        .stats-item {
            text-align: center;
            padding: 30px 15px;
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
            margin-bottom: 10px;
        }
        .timeline {
            position: relative;
            padding-left: 30px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 3px;
            background: var(--accent-color);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 40px;
            padding-left: 30px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -36px;
            top: 5px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: var(--primary-color);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--primary-color);
        }
        .contact-form .form-control {
            padding: 15px;
            border-radius: 8px;
            border: 1px solid #ddd;
            margin-bottom: 20px;
        }
        .contact-form .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(26, 107, 201, 0.25);
        }