:root {
            --primary-color: #1a5276;
            --secondary-color: #d4ac0d;
            --accent-color: #e8f4fc;
            --dark-color: #2c3e50;
            --light-color: #f8f9fa;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.6;
        }
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-color) !important;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            padding: 0.5rem 1rem;
            transition: var(--transition);
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1497366754035-f200968a6e72?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2069&q=80') center/cover no-repeat;
            color: white;
            padding: 120px 0 80px;
            position: relative;
        }
        .hero-section h1 {
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
        }
        .hero-section p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            max-width: 700px;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 50px;
            text-align: center;
            color: var(--dark-color);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: var(--secondary-color);
        }
        .section-title-left {
            text-align: left;
        }
        .section-title-left::after {
            left: 0;
            transform: none;
        }
        .feature-card {
            background: white;
            border-radius: 8px;
            padding: 30px 25px;
            height: 100%;
            transition: var(--transition);
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            border-top: 4px solid transparent;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
            border-top-color: var(--secondary-color);
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            background: var(--accent-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 30px;
            color: var(--primary-color);
        }
        .product-card {
            border-radius: 8px;
            overflow: hidden;
            transition: var(--transition);
            margin-bottom: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            height: 100%;
        }
        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .product-img {
            height: 200px;
            overflow: hidden;
        }
        .product-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .product-card:hover .product-img img {
            transform: scale(1.05);
        }
        .product-body {
            padding: 20px;
            background: white;
        }
        .badge-custom {
            background: var(--secondary-color);
            color: white;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .stats-section {
            background: linear-gradient(rgba(26, 82, 118, 0.9), rgba(26, 82, 118, 0.9)), url('https://images.unsplash.com/photo-1513475382585-d06e58bcb0e0?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
            color: white;
            padding: 80px 0;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--secondary-color);
        }
        .testimonial-card {
            background: white;
            border-radius: 8px;
            padding: 30px;
            margin-bottom: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            position: relative;
        }
        .testimonial-card::before {
            content: "\201C";
            font-size: 5rem;
            color: var(--accent-color);
            position: absolute;
            top: -20px;
            left: 20px;
            font-family: Georgia, serif;
        }
        .client-img {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 15px;
        }
        .contact-info-box {
            background: white;
            border-radius: 8px;
            padding: 30px;
            margin-bottom: 30px;
            text-align: center;
            transition: var(--transition);
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            height: 100%;
        }
        .contact-info-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .contact-icon {
            width: 60px;
            height: 60px;
            background: var(--accent-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 24px;
            color: var(--primary-color);
        }
        .footer {
            background: var(--dark-color);
            color: #bbb;
            padding-top: 60px;
        }
        .footer a {
            color: #bbb;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .footer-bottom {
            background: rgba(0,0,0,0.2);
            padding: 20px 0;
            margin-top: 40px;
            font-size: 0.9rem;
        }
        .friendlink {
            background: var(--light-color);
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 10px 20px;
            margin: 5px 10px;
            border-radius: 4px;
            transition: var(--transition);
            color: var(--dark-color);
            text-decoration: none;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .btn-primary-custom {
            background: var(--primary-color);
            border-color: var(--primary-color);
            padding: 10px 25px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            background: #154360;
            border-color: #154360;
            transform: translateY(-3px);
        }
        .btn-secondary-custom {
            background: var(--secondary-color);
            border-color: var(--secondary-color);
            color: white;
            padding: 10px 25px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-secondary-custom:hover {
            background: #b7950b;
            border-color: #b7950b;
            color: white;
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 100px 0 60px;
                text-align: center;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .stat-number {
                font-size: 2.5rem;
            }
        }