:root {
            --primary-color: #1a5fb4;
            --secondary-color: #e63946;
            --dark-color: #0d2840;
            --light-color: #f8f9fa;
            --accent-color: #ffc107;
            --text-dark: #333;
            --text-light: #666;
            --gradient-primary: linear-gradient(135deg, var(--primary-color), #2a7de9);
            --gradient-dark: linear-gradient(135deg, var(--dark-color), #1a365d);
            --shadow-sm: 0 4px 6px rgba(0,0,0,0.1);
            --shadow-md: 0 6px 12px rgba(0,0,0,0.15);
            --shadow-lg: 0 12px 24px rgba(0,0,0,0.2);
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: #fff;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--dark-color);
        }
        h1 {
            font-size: 2.8rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            position: relative;
            padding-bottom: 15px;
        }
        h2:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--gradient-primary);
            border-radius: 2px;
        }
        .text-center h2:after {
            left: 50%;
            transform: translateX(-50%);
        }
        p {
            margin-bottom: 1.5rem;
            color: var(--text-light);
        }
        a {
            text-decoration: none;
            color: var(--primary-color);
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            margin-bottom: 60px;
        }
        .navbar {
            background-color: rgba(13, 40, 64, 0.95);
            box-shadow: var(--shadow-md);
            padding: 15px 0;
            transition: var(--transition);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1030;
        }
        .navbar-brand {
            color: white;
            font-size: 1.8rem;
            font-weight: 700;
            display: flex;
            align-items: center;
        }
        .navbar-brand i {
            color: var(--accent-color);
            margin-right: 10px;
        }
        .navbar-nav .nav-link {
            color: rgba(255,255,255,0.9);
            font-weight: 500;
            padding: 8px 15px;
            margin: 0 5px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .navbar-nav .nav-link:hover, 
        .navbar-nav .nav-link.active {
            color: white;
            background-color: rgba(255,255,255,0.1);
        }
        .navbar-toggler {
            border: 1px solid rgba(255,255,255,0.3);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .hero {
            background: var(--gradient-dark);
            color: white;
            padding: 180px 0 120px;
            position: relative;
            overflow: hidden;
        }
        .hero:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120" preserveAspectRatio="none"><path d="M1200 120L0 16.48 0 0 1200 0 1200 120z" fill="white"/></svg>') no-repeat bottom center;
            background-size: 100% auto;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero h1 {
            color: white;
            margin-bottom: 25px;
            font-size: 3.2rem;
        }
        .hero p {
            color: rgba(255,255,255,0.9);
            font-size: 1.2rem;
            margin-bottom: 35px;
            max-width: 700px;
        }
        .hero-btns .btn {
            margin-right: 15px;
            margin-bottom: 15px;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary {
            background: var(--gradient-primary);
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .btn-outline-light {
            border: 2px solid white;
        }
        .btn-outline-light:hover {
            background-color: white;
            color: var(--dark-color);
        }
        .feature-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 40px 30px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border-top: 5px solid var(--primary-color);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-lg);
        }
        .feature-icon {
            width: 80px;
            height: 80px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: white;
            font-size: 2rem;
        }
        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }
        .stats-section {
            background-color: #f8fafc;
            padding: 100px 0;
        }
        .stat-item {
            text-align: center;
            padding: 30px 20px;
        }
        .stat-number {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
            margin-bottom: 10px;
        }
        .stat-label {
            font-size: 1.1rem;
            color: var(--text-light);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .service-card {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            margin-bottom: 30px;
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-lg);
        }
        .service-img {
            height: 220px;
            width: 100%;
            object-fit: cover;
        }
        .service-body {
            padding: 30px;
        }
        .service-title {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark-color);
        }
        .service-icon {
            color: var(--primary-color);
            font-size: 1.8rem;
            margin-bottom: 20px;
        }
        .about-section {
            background-color: #f8fafc;
        }
        .about-img {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .about-img img {
            width: 100%;
            height: auto;
            transition: var(--transition);
        }
        .about-img img:hover {
            transform: scale(1.05);
        }
        .about-content {
            padding-left: 40px;
        }
        .news-card {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }
        .news-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-lg);
        }
        .news-img {
            height: 220px;
            width: 100%;
            object-fit: cover;
        }
        .news-body {
            padding: 25px;
        }
        .news-date {
            color: var(--primary-color);
            font-size: 0.9rem;
            margin-bottom: 10px;
            display: block;
        }
        .news-title {
            font-size: 1.3rem;
            margin-bottom: 15px;
            line-height: 1.4;
        }
        .team-card {
            text-align: center;
            background: white;
            border-radius: var(--border-radius);
            padding: 30px 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }
        .team-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-lg);
        }
        .team-img {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 20px;
            border: 5px solid #f0f0f0;
        }
        .team-name {
            font-size: 1.3rem;
            margin-bottom: 5px;
        }
        .team-position {
            color: var(--primary-color);
            font-weight: 600;
            margin-bottom: 15px;
        }
        .friendlink {
            background-color: #f8fafc;
            padding: 80px 0;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 12px 25px;
            margin: 0 10px 15px;
            border-radius: 50px;
            color: var(--text-dark);
            font-weight: 500;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid #eee;
        }
        .flink:hover {
            background: var(--gradient-primary);
            color: white;
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .footer {
            background: var(--gradient-dark);
            color: rgba(255,255,255,0.8);
            padding: 80px 0 30px;
        }
        .footer h5 {
            color: white;
            margin-bottom: 25px;
            font-size: 1.3rem;
            position: relative;
            padding-bottom: 10px;
        }
        .footer h5:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--accent-color);
        }
        .footer-links a {
            color: rgba(255,255,255,0.8);
            display: block;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 8px;
        }
        .contact-info {
            margin-bottom: 20px;
        }
        .contact-info i {
            width: 30px;
            color: var(--accent-color);
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            margin-top: 50px;
            text-align: center;
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
        }
        @media (max-width: 991px) {
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .section-padding {
                padding: 60px 0;
            }
            .hero {
                padding: 150px 0 80px;
            }
            .about-content {
                padding-left: 0;
                margin-top: 40px;
            }
        }
        @media (max-width: 767px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .hero {
                padding: 130px 0 60px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .section-padding {
                padding: 50px 0;
            }
            .stat-number {
                font-size: 2.8rem;
            }
        }