:root {
            --primary: #1e3a8a;
            --secondary: #dc2626;
            --accent: #f59e0b;
            --light: #f8fafc;
            --dark: #0f172a;
        }
        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.8;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(30, 58, 138, 0.9) 0%, rgba(220, 38, 38, 0.8) 100%), url('https://images.unsplash.com/photo-1551958219-acbc608c6377?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            padding: 8rem 0 6rem;
            color: white;
            position: relative;
        }
        .section-title {
            position: relative;
            padding-bottom: 1rem;
            margin-bottom: 3rem;
            font-weight: 700;
            color: var(--dark);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .service-card, .product-card {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
            border-radius: 12px;
            overflow: hidden;
            height: 100%;
        }
        .service-card:hover, .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .icon-box {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
        }
        .flink {
            display: inline-block;
            padding: 0.5rem 1.5rem;
            margin: 0.5rem;
            background: var(--light);
            border-radius: 50px;
            color: var(--dark);
            text-decoration: none;
            transition: all 0.3s ease;
            border: 2px solid transparent;
            font-weight: 500;
        }
        .flink:hover {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
            transform: scale(1.05);
        }
        .footer {
            background: var(--dark);
            color: #cbd5e1;
            padding-top: 3rem;
        }
        .footer a {
            color: #cbd5e1;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .contact-info li {
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
        }
        .contact-info i {
            width: 30px;
            color: var(--accent);
        }
        .news-card {
            border-left: 4px solid var(--primary);
            transition: all 0.3s ease;
        }
        .news-card:hover {
            border-left-color: var(--secondary);
            background-color: #f8fafc;
        }
        .badge-custom {
            background: linear-gradient(90deg, var(--secondary), var(--accent));
            color: white;
            font-weight: 600;
        }
        .btn-primary-custom {
            background: linear-gradient(90deg, var(--primary), #3b82f6);
            border: none;
            padding: 0.75rem 2rem;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.3s ease;
        }
        .btn-primary-custom:hover {
            background: linear-gradient(90deg, #1e40af, var(--primary));
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(30, 58, 138, 0.3);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 6rem 0 4rem;
                text-align: center;
            }
            .section-title {
                text-align: center;
            }
            .section-title::after {
                left: 50%;
                transform: translateX(-50%);
            }
        }
        .marquee {
            background: var(--light);
            padding: 1rem 0;
            border-top: 1px solid #e2e8f0;
            border-bottom: 1px solid #e2e8f0;
            overflow: hidden;
        }
        .marquee-content {
            display: flex;
            animation: scroll 30s linear infinite;
        }
        @keyframes scroll {
            0% { transform: translateX(100%); }
            100% { transform: translateX(-100%); }
        }
        .trust-badge {
            filter: grayscale(100%);
            opacity: 0.7;
            transition: all 0.3s ease;
        }
        .trust-badge:hover {
            filter: grayscale(0%);
            opacity: 1;
        }