:root {
            --primary: #4361ee;
            --secondary: #3f37c9;
            --accent: #4895ef;
            --light: #f8f9fa;
            --dark: #212529;
            --success: #4cc9f0;
            --warning: #f72585;
            --border-radius: 12px;
            --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        a {
  color: inherit;    
  text-decoration: none; 
}
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Sans SC', 'Poppins', sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8fafc;
            overflow-x: hidden;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            text-align: center;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            box-shadow: 0 4px 15px rgba(67, 97, 238, 0.4);
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(67, 97, 238, 0.6);
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        
        .btn-outline:hover {
            background: var(--primary);
            color: white;
        }
        
        .section {
            padding: 100px 0;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title {
            font-size: 2.5rem;
            margin-bottom: 15px;
            color: var(--dark);
            position: relative;
            display: inline-block;
        }
        
        .section-title:after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
        }
        
        .section-subtitle {
            font-size: 1.2rem;
            color: #6c757d;
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* Header Styles */
        header {
            background-color: white;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding: 15px 0;
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .logo i {
            font-size: 2rem;
            color: var(--primary);
        }
        
        .logo h1 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dark);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        
        .nav-links a:after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--primary);
            transition: var(--transition);
            border-radius: 2px;
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        .nav-links a:hover:after {
            width: 100%;
        }
        
        .auth-buttons {
            display: flex;
            gap: 15px;
        }
        
        .btn-login {
            background: white;
            border: 2px solid var(--primary);
            color: var(--primary);
            padding: 8px 20px;
        }
        
        .btn-login:hover {
            background: var(--primary);
            color: white;
        }
        
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #1a2a6c, #3f37c9, #4361ee);
            color: white;
            padding: 180px 0 100px;
            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 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,224L48,213.3C96,203,192,181,288,181.3C384,181,480,203,576,192C672,181,768,139,864,128C960,117,1056,139,1152,149.3C1248,160,1344,160,1392,160L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') bottom no-repeat;
            background-size: cover;
        }
        
        .hero-content {
            max-width: 700px;
            position: relative;
            z-index: 1;
        }
        
        .hero h2 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        .hero-buttons {
            display: flex;
            gap: 20px;
        }
        
        /* Features Section */
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .feature-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 40px 30px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--box-shadow);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        .feature-icon {
            width: 80px;
            height: 80px;
            background: rgba(67, 97, 238, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
        }
        
        .feature-icon i {
            font-size: 2.5rem;
            color: var(--primary);
        }
        
        .feature-title {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        .feature-description {
            color: #6c757d;
        }
        
        /* Pricing Section */
        .pricing {
            background: linear-gradient(to bottom, #f0f7ff, #ffffff);
        }
        
        .pricing-table {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .pricing-card {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            position: relative;
            z-index: 1;
        }
        
        .pricing-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        .pricing-card.popular {
            border: 2px solid var(--primary);
            transform: scale(1.03);
        }
        
        .pricing-card.popular:hover {
            transform: scale(1.03) translateY(-10px);
        }
        
        .popular-tag {
            position: absolute;
            top: 20px;
            right: -30px;
            background: var(--warning);
            color: white;
            padding: 5px 40px;
            transform: rotate(45deg);
            font-size: 14px;
            font-weight: 600;
            z-index: 2;
        }
        
        .pricing-header {
            padding: 30px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            text-align: center;
        }
        
        .pricing-name {
            font-size: 1.8rem;
            margin-bottom: 10px;
        }
        
        .pricing-price {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 5px;
        }
        
        .pricing-period {
            font-size: 1rem;
            opacity: 0.8;
        }
        
        .pricing-features {
            padding: 30px;
        }
        
        .feature-list {
            list-style: none;
            margin-bottom: 30px;
        }
        
        .feature-list li {
            padding: 12px 0;
            border-bottom: 1px solid #eee;
            display: flex;
            align-items: center;
        }
        
        .feature-list li:last-child {
            border-bottom: none;
        }
        
        .feature-list li i {
            color: var(--success);
            margin-right: 10px;
            font-size: 1.2rem;
        }
        
        .pricing-footer {
            padding: 0 30px 30px;
            text-align: center;
        }
        
        /* FAQ Section */
        .faq {
            background: white;
        }
        
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .faq-item {
            border-radius: var(--border-radius);
            overflow: hidden;
            margin-bottom: 20px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border: 1px solid #eee;
        }
        
        .faq-question {
            padding: 20px 25px;
            background: white;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        
        .faq-question:hover {
            background: #f8f9ff;
        }
        
        .faq-question i {
            transition: var(--transition);
        }
        
        .faq-answer {
            padding: 0 25px;
            max-height: 0;
            overflow: hidden;
            transition: var(--transition);
            background: #f9fafd;
        }
        
        .faq-answer p {
            padding: 20px 0;
        }
        
        .faq-item.active .faq-question {
            background: #f8f9ff;
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        .faq-item.active .faq-answer {
            max-height: 500px;
        }
        
        /* News Section */
        .news-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .news-item {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
        }
        
        .news-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .news-content {
            padding: 25px;
        }
        
        .news-date {
            color: var(--accent);
            font-size: 14px;
            margin-bottom: 10px;
            font-weight: 500;
        }
        
        .news-title {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        .news-title a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .news-title a:hover {
            color: var(--primary);
        }
        
        .news-excerpt {
            color: #6c757d;
            margin-bottom: 20px;
        }
        
        .news-link {
            display: inline-flex;
            align-items: center;
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            gap: 8px;
            transition: var(--transition);
        }
        
        .news-link:hover {
            gap: 12px;
        }
        
        /* Footer */
        footer {
            background: linear-gradient(135deg, #1a2a6c, #212529);
            color: white;
            padding: 70px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 50px;
        }
        
        .footer-column h3 {
            font-size: 1.3rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            color: #b0b0b0;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .footer-links a:hover {
            color: white;
            transform: translateX(5px);
        }
        
        .footer-links a i {
            color: var(--primary);
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #b0b0b0;
            font-size: 0.9rem;
        }
        
        /* Responsive */
        @media (max-width: 992px) {
            .nav-links, .auth-buttons {
                display: none;
            }
            
            .hamburger {
                display: block;
            }
            
            .hero h2 {
                font-size: 2.8rem;
            }
            
            .section {
                padding: 80px 0;
            }
        }
        
        @media (max-width: 768px) {
            .hero {
                padding: 150px 0 80px;
            }
            
            .hero h2 {
                font-size: 2.3rem;
            }
            
            .hero-buttons {
                flex-direction: column;
                gap: 15px;
            }
            
            .section-title {
                font-size: 2rem;
            }
        }
        
        @media (max-width: 576px) {
            .logo h1 {
                font-size: 1.3rem;
            }
            
            .hero h2 {
                font-size: 2rem;
            }
            
            .pricing-table {
                grid-template-columns: 1fr;
            }
            
            .pricing-card.popular {
                transform: scale(1);
            }
            
            .pricing-card.popular:hover {
                transform: translateY(-10px);
            }
        }