:root {
            --primary-blue: #1a56db;
            --secondary-blue: #3b82f6;
            --dark-blue: #1e3a8a;
            --light-blue: #eff6ff;
            --accent-teal: #0d9488;
            --neutral-gray: #6b7280;
            --light-gray: #f9fafb;
        }
        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            color: #333;
            overflow-x: hidden;
        }
        .hero-section {
            background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 50%, var(--accent-teal) 100%);
            color: white;
            padding: 120px 0 80px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;base64,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');
            opacity: 0.15;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            background: linear-gradient(to right, var(--primary-blue), var(--accent-teal));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-link {
            font-weight: 500;
            transition: all 0.3s;
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary-blue) !important;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background: var(--primary-blue);
            transition: width 0.3s;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 50px;
            font-weight: 700;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 70px;
            height: 4px;
            background: linear-gradient(to right, var(--primary-blue), var(--accent-teal));
            border-radius: 2px;
        }
        .section-title.text-center::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .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 20px 40px rgba(26, 86, 219, 0.15);
        }
        .service-icon {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--light-blue) 0%, #e0f2fe 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            font-size: 2rem;
            color: var(--primary-blue);
            transition: all 0.3s;
        }
        .service-card:hover .service-icon {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
            color: white;
        }
        .case-study-img {
            height: 280px;
            object-fit: cover;
            border-radius: 12px 12px 0 0;
            transition: transform 0.5s;
        }
        .case-card:hover .case-study-img {
            transform: scale(1.03);
        }
        .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px 10px;
            background: var(--light-gray);
            border-radius: 30px;
            color: var(--neutral-gray);
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid #e5e7eb;
        }
        .flink:hover {
            background: var(--primary-blue);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(26, 86, 219, 0.2);
        }
        footer {
            background: #111827;
            color: #d1d5db;
        }
        .footer-link {
            color: #9ca3af;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-link:hover {
            color: white;
        }
        .contact-info li {
            margin-bottom: 12px;
            padding-left: 28px;
            position: relative;
        }
        .contact-info li i {
            position: absolute;
            left: 0;
            top: 5px;
            color: var(--secondary-blue);
        }
        .sticky-top {
            backdrop-filter: blur(10px);
            background-color: rgba(255, 255, 255, 0.95);
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--primary-blue), var(--accent-teal));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
        }
        .news-date {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--primary-blue);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 100px 0 60px;
            }
            .stats-number {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }