@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css');
    @import url('https://unpkg.com/swiper/swiper-bundle.min.css');
        @import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap');
        
        :root {
            --primary-color: #1E3A8A;
            --secondary-color: #3B82F6;
            --accent-color: #60A5FA;
            --light-color: #EFF6FF;
            --dark-color: #1E293B;
            --success-color: #10B981;
            --warning-color: #F59E0B;
            --danger-color: #EF4444;
        }
        
        body {
            font-family: 'Noto Sans SC', sans-serif;
            color: #333;
            background-color: #f8fafc;
            overflow-x: hidden;
        }
        
        .hero-section {
            position: relative;
            height: 60vh;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            overflow: hidden;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
        }
        
        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiPjxwYXRoIGQ9Ik0gNDAgMCBMIDAgMCAwIDQwIiBmaWxsPSJub25lIiBzdHJva2U9IiNmZmZmZmYyMCIgc3Ryb2tlLXdpZHRoPSIxIi8+PC9wYXR0ZXJuPjwvZGVmcz48cmVjdCB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiBmaWxsPSJ1cmwoI3BhdHRlcm4pIiAvPjwvc3ZnPg==');
            opacity: 0.3;
            z-index: 1;
        }
        
        .nav-link {
            position: relative;
            transition: all 0.3s ease;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-color);
            transition: width 0.3s ease;
        }
        
        .nav-link:hover::after {
            width: 100%;
        }
        
        .card {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        
        .stat-card {
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .process-step {
            position: relative;
            padding-left: 30px;
        }
        
        .process-step::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            width: 20px;
            height: 20px;
            background-color: var(--secondary-color);
            border-radius: 50%;
            z-index: 1;
        }
        
        .process-step::after {
            content: '';
            position: absolute;
            left: 9px;
            top: 20px;
            width: 2px;
            height: calc(100% + 20px);
            background-color: var(--secondary-color);
            opacity: 0.3;
        }
        
        .process-step:last-child::after {
            display: none;
        }
        
        .animate-fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .animate-fade-in.active {
            opacity: 1;
            transform: translateY(0);
        }
        
        .animate-slide-in-left {
            opacity: 0;
            transform: translateX(-50px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .animate-slide-in-left.active {
            opacity: 1;
            transform: translateX(0);
        }
        
        .animate-slide-in-right {
            opacity: 0;
            transform: translateX(50px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .animate-slide-in-right.active {
            opacity: 1;
            transform: translateX(0);
        }
        
        .solution-tab {
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .solution-tab.active {
            background-color: var(--primary-color);
            color: white;
        }
        
        .solution-content {
            display: none;
        }
        
        .solution-content.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .timeline-item {
            position: relative;
            padding-left: 30px;
            margin-bottom: 30px;
        }
        
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            width: 12px;
            height: 12px;
            background-color: var(--secondary-color);
            border-radius: 50%;
            z-index: 1;
        }
        
        .timeline-item::after {
            content: '';
            position: absolute;
            left: 5px;
            top: 12px;
            width: 2px;
            height: calc(100% + 18px);
            background-color: var(--secondary-color);
            opacity: 0.3;
        }
        
        .timeline-item:last-child::after {
            display: none;
        }
        
        .chart-container {
            position: relative;
            height: 300px;
            width: 100%;
        }
        
        @media (max-width: 768px) {
            .hero-section {
                height: 50vh;
            }
            
            .process-step,
            .timeline-item {
                padding-left: 25px;
            }
            
            .process-step::before,
            .timeline-item::before {
                width: 15px;
                height: 15px;
            }
            
            .process-step::after {
                left: 7px;
            }
            
            .timeline-item::after {
                left: 6px;
            }
        }