:root {
            --color-primary: 24, 144, 255;
            --color-secondary: 82, 196, 26;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', 'Noto Sans SC', sans-serif;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Noto Sans SC', sans-serif;
        }
        @media (max-width: 768px) {
            .hero-height {
                min-height: 85vh;
            }
            .section-padding {
                padding: 3rem 1.5rem;
            }
        }
        *:focus {
            outline: 2px solid rgba(var(--color-primary), 0.5);
            outline-offset: 2px;
        }
        ::-webkit-scrollbar {
            width: 10px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f1f1;
        }
        ::-webkit-scrollbar-thumb {
            background: #888;
            border-radius: 5px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #555;
        }
        .fade-in {
            animation: fadeIn 0.8s ease-in-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .service-card {
            transition: all 0.3s ease;
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }
        .case-study-card {
            position: relative;
            overflow: hidden;
            border-radius: 12px;
        }
        .case-study-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to bottom, transparent 50%, rgba(0, 0, 0, 0.7) 100%);
            z-index: 1;
        }
        .flink {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1rem;
            background: rgba(24, 144, 255, 0.1);
            border-radius: 0.5rem;
            transition: all 0.2s ease;
            text-decoration: none;
            color: #374151;
            margin: 0.25rem;
            border: 1px solid rgba(24, 144, 255, 0.2);
        }
        .flink:hover {
            background: rgba(24, 144, 255, 0.2);
            transform: translateY(-2px);
            border-color: rgba(24, 144, 255, 0.4);
        }
        .tech-icon {
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            margin-bottom: 1rem;
            font-size: 1.75rem;
        }
        .gradient-bg-primary {
            background: linear-gradient(135deg, #1890FF 0%, #0050B3 100%);
        }
        .gradient-bg-secondary {
            background: linear-gradient(135deg, #52C41A 0%, #389E0D 100%);
        }
        .gradient-bg-accent {
            background: linear-gradient(135deg, #722ED1 0%, #531DAB 100%);
        }
        .stat-number {
            font-variant-numeric: tabular-nums;
        }