* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            color: #0f172a;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        /* Smooth scrolling */
        html {
            scroll-behavior: smooth;
        }
        
        /* Custom scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        
        ::-webkit-scrollbar-track {
            background: #f1f5f9;
        }
        
        ::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 4px;
        }
        
        ::-webkit-scrollbar-thumb:hover {
            background: #94a3b8;
        }
        
        /* Gradient mesh for hero */
        .gradient-mesh {
            background: 
                radial-gradient(ellipse 80% 50% at 20% 40%, rgba(245, 233, 212, 0.6) 0%, transparent 50%),
                radial-gradient(ellipse 60% 40% at 80% 20%, rgba(249, 107, 238, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse 70% 60% at 50% 80%, rgba(83, 58, 253, 0.08) 0%, transparent 50%),
                linear-gradient(135deg, #f6f9fc 0%, #ffffff 50%, #f6f9fc 100%);
            position: relative;
        }
        
        .gradient-mesh::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(ellipse 50% 30% at 30% 60%, rgba(234, 34, 97, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse 40% 50% at 70% 30%, rgba(83, 58, 253, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }
        
        /* Navigation shadow on scroll */
        .nav-scrolled {
            box-shadow: 0 4px 20px rgba(0, 55, 112, 0.08);
            background: rgba(255, 255, 255, 0.95) !important;
            backdrop-filter: blur(12px);
        }
        
        /* Card hover effects */
        .card-hover {
            transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .card-hover:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 40px rgba(0, 55, 112, 0.12);
        }
        
        /* Button styles */
        .btn-primary {
            background: #0a66c2;
            color: white;
            padding: 12px 28px;
            border-radius: 9999px;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
            cursor: pointer;
        }
        
        .btn-primary:hover {
            background: #054a8c;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(10, 102, 194, 0.3);
        }
        
        .btn-outline {
            background: transparent;
            color: #0a66c2;
            padding: 12px 28px;
            border-radius: 9999px;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1.5px solid #0a66c2;
            cursor: pointer;
        }
        
        .btn-outline:hover {
            background: #eef4fc;
            transform: translateY(-1px);
        }
        
        /* Section animations */
        .fade-in-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        
        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* Stagger animation delays */
        .stagger-1 { transition-delay: 0.1s; }
        .stagger-2 { transition-delay: 0.2s; }
        .stagger-3 { transition-delay: 0.3s; }
        .stagger-4 { transition-delay: 0.4s; }
        .stagger-5 { transition-delay: 0.5s; }
        .stagger-6 { transition-delay: 0.6s; }
        
        /* Icon container styles */
        .icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
        }
        
        /* Achievement counter animation */
        @keyframes countUp {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .count-animate {
            animation: countUp 0.8s ease forwards;
        }
        
        /* Gradient text */
        .gradient-text {
            background: linear-gradient(135deg, #0a66c2 0%, #054a8c 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        /* Mesh background for CTA */
        .cta-mesh {
            background: linear-gradient(135deg, #0a66c2 0%, #054a8c 50%, #0a4e8a 100%);
            position: relative;
            overflow: hidden;
        }
        
        .cta-mesh::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            right: -50%;
            bottom: -50%;
            background: 
                radial-gradient(ellipse 60% 40% at 30% 70%, rgba(255,255,255,0.1) 0%, transparent 50%),
                radial-gradient(ellipse 50% 60% at 70% 30%, rgba(255,255,255,0.08) 0%, transparent 50%);
            animation: meshRotate 20s linear infinite;
        }
        
        @keyframes meshRotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        /* Footer link hover */
        .footer-link {
            transition: color 0.2s ease;
        }
        
        .footer-link:hover {
            color: #60a5fa;
        }
        
        /* Responsive typography */
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem !important;
                line-height: 1.2 !important;
            }
        }

        /*联系我们*/