:root {
            --primary: #4361ee;
            --primary-dark: #3a56d4;
            --secondary: #3f37c9;
            --accent: #4895ef;
            --light: #f8f9fa;
            --dark: #212529;
            --text: #333;
            --text-light: #6c757d;
            --success: #4cc9f0;
            --warning: #ff9e00;
            --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', 'Noto Sans SC', sans-serif;
        }

        body {
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
            background-color: #f8f9ff;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header Styles */
        header {
            background-color: rgba(255, 255, 255, 0.96);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.07);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            font-weight: 700;
            font-size: 1.6rem;
            color: var(--primary);
            text-decoration: none;
        }

        .logo i {
            margin-right: 10px;
            font-size: 1.8rem;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .logo span {
            color: var(--secondary);
        }

        .nav-links {
            display: flex;
            list-style: none;
        }

        .nav-links li {
            margin: 0 15px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 0;
            background: var(--primary);
            transition: var(--transition);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .auth-buttons {
            display: flex;
            gap: 15px;
        }

        .btn {
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 1rem;
            border: none;
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 0.9rem;
        }

        .btn-outline {
            border: 2px solid var(--primary);
            background: transparent;
            color: var(--primary);
        }

        .btn-outline:hover {
            background: rgba(67, 97, 238, 0.05);
            transform: translateY(-3px);
        }

        .btn-primary {
            background: var(--gradient);
            color: white;
            box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(67, 97, 238, 0.4);
            background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
        }

        .mobile-menu-btn {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
        }

        /* Hero Section */
        .hero {
            padding: 180px 0 100px;
            position: relative;
            overflow: hidden;
            background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPgogIDxkZWZzPgogICAgPHBhdHRlcm4gaWQ9InBhdHRlcm4iIHg9IjAiIHk9IjAiIHdpZHRoPSI4MCIgaGVpZ2h0PSI4MCIgcGF0dGVyblVuaXRzPSJ1c2VyU3BhY2VPblVzZSIgcGF0dGVyblRyYW5zZm9ybT0icm90YXRlKDQ1KSI+CiAgICAgIDxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI0MCIgaGVpZ2h0PSI0MCIgZmlsbD0icmdiYSg2NywgOTcsIDIzOCwgMC4wMikiLz4KICAgIDwvcGF0dGVybj4KICA8L2RlZnM+CiAgPHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNwYXR0ZXJuKSIvPgo8L3N2Zz4=') center/cover no-repeat;
        }

        .hero-content {
            display: flex;
            align-items: center;
            gap: 60px;
        }

        .hero-text {
            flex: 1;
            position: relative;
            z-index: 2;
        }

        .hero-image {
            flex: 1;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .hero h1 {
            font-size: 3.3rem;
            margin-bottom: 20px;
            line-height: 1.2;
            color: var(--dark);
        }

        .hero h1 .highlight {
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 700;
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--text-light);
            margin-bottom: 30px;
            max-width: 550px;
        }

        .hero-buttons {
            display: flex;
            gap: 20px;
            margin-top: 30px;
            flex-wrap: wrap;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 40px;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
        }

        .stat-text {
            color: var(--text-light);
            font-size: 0.95rem;
            margin-top: 5px;
        }

        .hero-image img {
            max-width: 95%;
            border-radius: 25px;
            box-shadow: 0 30px 60px rgba(67, 97, 238, 0.15);
            transform: perspective(1000px) rotateY(-5deg);
            transition: var(--transition);
        }

        .hero-image img:hover {
            transform: perspective(1000px) rotateY(0);
        }

        /* Features */
        .features {
            padding: 100px 0 80px;
            background: white;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 40px;
        }

        .section-header h2 {
            font-size: 2.5rem;
            margin-top: 50px;
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
            color: var(--dark);
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            width: 70%;
            height: 4px;
            background: var(--gradient);
            bottom: -10px;
            left: 15%;
            border-radius: 10px;
        }

        .section-header p {
            color: var(--text-light);
            font-size: 1.1rem;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 35px;
        }

        .feature-card {
            background: var(--light);
            border-radius: 18px;
            padding: 35px 30px;
            text-align: center;
            transition: var(--transition);
            border: 1px solid rgba(67, 97, 238, 0.07);
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient);
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(67, 97, 238, 0.12);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 80px;
            height: 80px;
            border-radius: 20px;
            background: linear-gradient(135deg, rgba(67, 97, 238, 0.1), rgba(63, 55, 201, 0.1));
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 0 auto 25px;
            font-size: 1.9rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            transform: scale(1.1);
            background: var(--gradient);
            color: white;
        }

        .feature-card h3 {
            margin: 15px 0 18px;
            font-size: 1.45rem;
            color: var(--dark);
        }

        .feature-card p {
            color: var(--text-light);
            font-size: 1.03rem;
        }

        /* Testimonials */
        .testimonials {
            padding: 100px 0;
            background: linear-gradient(135deg, rgba(67, 97, 238, 0.03), rgba(63, 55, 201, 0.03));
            position: relative;
            overflow: hidden;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .testimonial {
            background: white;
            border-radius: 20px;
            padding: 40px 35px;
            position: relative;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .testimonial:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
        }

        .testimonial:before {
            content: '\201C';
            position: absolute;
            top: 15px;
            right: 20px;
            font-size: 6rem;
            font-family: sans-serif;
            color: rgba(67, 97, 238, 0.05);
            line-height: 1;
        }

        .stars {
            color: #ffc107;
            font-size: 1.1rem;
            margin-bottom: 20px;
        }

        .testimonial p {
            font-size: 1.08rem;
            color: var(--text-light);
            line-height: 1.8;
            font-style: italic;
            position: relative;
            z-index: 2;
        }

        .client-info {
            display: flex;
            align-items: center;
            margin-top: 30px;
        }

        .client-image {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: var(--light);
            margin-right: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            font-weight: 600;
            position: relative;
            overflow: hidden;
            border: 2px solid rgba(67, 97, 238, 0.1);
        }

        .client-image::before {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(67, 97, 238, 0.05), rgba(63, 55, 201, 0.05));
        }

        .client-details h4 {
            font-size: 1.18rem;
            margin-bottom: 6px;
            color: var(--dark);
        }

        .client-details p {
            color: var(--primary);
            font-style: normal;
            font-size: 0.95rem;
        }

        /* Pricing */
        .pricing {
            padding: 100px 0;
            background: white;
            position: relative;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 35px;
        }

        .pricing-card {
            background: white;
            border-radius: 25px;
            padding: 40px 35px;
            text-align: center;
            position: relative;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
            border: 1px solid rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        /* .pricing-card.popular {
            border: 2px solid var(--primary);
            transform: scale(1.03);
            z-index: 2;
            box-shadow: 0 15px 50px rgba(67, 97, 238, 0.15);
        } */

        /* 套餐卡片选中效果 */
        .pricing-card.selected {
            border: 2px solid var(--primary); /* 使用不同的颜色区分选中状态 */
            transform: scale(1.03);
            z-index: 2;
            box-shadow: 0 15px 50px rgba(76, 201, 240, 0.2); /* 使用淡蓝色阴影 */
        }

        .pricing-card.selected .pricing-name {
            color: var(--primary);/* 标题颜色变化 */
        }

        .popular-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--gradient);
            color: white;
            padding: 6px 22px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .pricing-header {
            /* margin-bottom: 30px; */
            flex: 1;
        }

        .pricing-name {
            font-size: 1.5rem;
            color: var(--dark);
            margin-bottom: 10px;
            font-weight: 600;
        }

        .pricing-desc {
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

        .pricing-price {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--primary);
            margin: 20px 0;
        }

        .pricing-price span {
            font-size: 1rem;
            color: var(--text-light);
            font-weight: 400;
        }

        .pricing-features {
            /* margin: 25px 0 35px; */
            text-align: left;
            flex: 1;
        }

        .pricing-features li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            list-style: none;
            display: flex;
            align-items: center;
            color: var(--dark);
        }

        .pricing-features li:last-child {
            border-bottom: none;
        }

        .pricing-features li i {
            margin-right: 12px;
            font-size: 1.1rem;
            color: var(--primary);
            background: rgba(67, 97, 238, 0.1);
            width: 26px;
            height: 26px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .pricing-features .popular i {
            color: white;
            background: var(--primary);
        }

        /* FAQ Section */
        .faq {
            padding: 100px 0;
            background: linear-gradient(135deg, rgba(67, 97, 238, 0.03), rgba(63, 55, 201, 0.03));
        }

        .faq-container {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background: white;
            border-radius: 18px;
            margin-bottom: 25px;
            overflow: hidden;
            box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
            border: 1px solid rgba(0, 0, 0, 0.03);
        }

        .faq-question {
            padding: 28px 35px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.15rem;
            transition: background 0.2s ease;
        }

        .faq-question:hover {
            background: rgba(67, 97, 238, 0.03);
        }

        .faq-icon {
            font-size: 1.2rem;
            transition: transform 0.3s ease;
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            color: var(--text-light);
            padding: 0 35px;
            transition: var(--transition);
            border-top: 1px solid rgba(0, 0, 0, 0.05);
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 35px 30px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        .faq-link {
            text-align: center;
            margin-top: 50px;
        }

        .faq-link a {
            display: inline-flex;
            align-items: center;
            color: var(--primary);
            font-weight: 500;
            text-decoration: none;
            gap: 8px;
            font-size: 1.1rem;
            border-bottom: 2px solid transparent;
            padding-bottom: 4px;
            transition: var(--transition);
        }

        .faq-link a:hover {
            border-bottom-color: var(--primary);
        }

        /* CTA Section */
        .cta {
            padding: 100px 0;
            background: var(--gradient);
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;base64,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');
            opacity: 0.2;
        }

        .cta h2 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
        }

        .cta p {
            max-width: 700px;
            margin: 0 auto 35px;
            font-size: 1.25rem;
            opacity: 0.9;
            position: relative;
            z-index: 2;
        }

        .cta .btn {
            background: white;
            color: var(--primary);
            padding: 18px 50px;
            font-size: 1.15rem;
            font-weight: 600;
            position: relative;
            z-index: 2;
            transition: var(--transition);
        }

        .cta .btn:hover {
            transform: scale(1.05);
        }

        /* Footer */
        footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 80px 0 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 45px;
            margin-bottom: 60px;
        }

        .footer-column h3 {
            color: white;
            margin-bottom: 25px;
            font-size: 1.35rem;
            position: relative;
            padding-bottom: 12px;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            width: 60px;
            height: 3px;
            bottom: 0;
            left: 0;
            background: var(--gradient);
            border-radius: 3px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 15px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-links a i {
            font-size: 0.9rem;
            width: 18px;
            text-align: center;
        }

        .footer-links a:hover {
            color: white;
            transform: translateX(5px);
        }

        .app-download {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .app-btn {
            width: 165px;
            height: 55px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            color: white;
            font-size: 1rem;
            font-weight: 500;
            transition: var(--transition);
            padding: 0 15px;
        }

        .app-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
        }

        .app-btn-ios {
            background: #000;
        }

        .app-btn-android {
            background: #3cba54;
        }

        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 25px;
        }

        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: white;
            text-decoration: none;
            transition: var(--transition);
            font-size: 1.2rem;
        }

        .social-links a:hover {
            background: var(--primary);
            transform: translateY(-5px);
        }

        .copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .copyright a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition);
        }

        .copyright a:hover {
            color: white;
            text-decoration: underline;
        }

        /* 套餐选择器样式 */
        .plan-selector {
            display: flex;
            border-radius: 50px;
            padding: 8px;
            background: #ffffff;
            border: 1px solid #e2e8f0;
            margin: 0 auto 40px;
            max-width: 500px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .plan-option {
            flex: 1;
            padding: 15px;
            text-align: center;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            border-radius: 50px;
            transition: all 0.3s ease;
        }
        
        .plan-option.active {
            background: #4361ee;
            color: white;
        }
        
        /* Responsive Design */
        @media (max-width: 992px) {
            .hero-content {
                flex-direction: column;
                text-align: center;
            }

            .hero-text p {
                margin: 0 auto 30px;
            }

            .hero-buttons {
                justify-content: center;
            }

            .hero-stats {
                justify-content: center;
            }
        }
        
        @media (max-width: 600px) {
            .plan-selector {
                max-width: 100%;
                flex-direction: column;
                border-radius: 16px;
            }
            
            .plan-option {
                border-radius: 12px;
                margin-bottom: 5px;
            }
            
            .plan-option:last-child {
                margin-bottom: 0;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                padding: 20px 0;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
                z-index: 100;
            }

            .nav-links.active {
                display: flex;
            }

            .nav-links li {
                margin: 10px 0;
                text-align: center;
            }

            .nav-links a::after {
                display: none;
            }

            .hero {
                padding: 160px 0 80px;
            }

            .hero h1 {
                font-size: 2.6rem;
            }

            .section-header h2 {
                font-size: 2.2rem;
            }

            .pricing-card.popular {
                transform: scale(1);
            }

            .app-download {
                flex-direction: column;
            }
        }

        @media (max-width: 576px) {
            .hero h1 {
                font-size: 2.1rem;
            }

            .hero p {
                font-size: 1.05rem;
            }

            .hero-buttons .btn {
                padding: 12px 25px;
                width: 100%;
                max-width: 300px;
            }

            .hero-stats {
                flex-direction: column;
                gap: 20px;
                margin-top: 30px;
            }

            .testimonial {
                padding: 30px 25px;
            }

            .feature-card {
                padding: 30px 25px;
            }

            .section-header p {
                font-size: 1rem;
            }

            .cta h2 {
                font-size: 2.3rem;
            }

            .cta p {
                font-size: 1.1rem;
            }
        }
        
    /* 增强移动端导航栏样式 */
    @media (max-width: 768px) {
        /* 确保移动菜单按钮显示 */
        .mobile-menu-btn {
            display: block;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
            z-index: 1001;
        }
        
        /* 导航链接默认隐藏 */
        .nav-links {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: white;
            flex-direction: column;
            padding: 20px 0;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
            z-index: 1000;
            /* 添加动画效果 */
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        
        /* 当添加active类时显示导航链接 */
        .nav-links.active {
            display: flex;
            max-height: 300px; /* 足够容纳菜单项的高度 */
        }
        
        /* 导航链接项样式 */
        .nav-links li {
            margin: 10px 0;
            text-align: center;
            width: 100%;
        }
        
        .nav-links a {
            display: block;
            padding: 10px 20px;
            width: 100%;
            /* 添加悬停效果 */
            color: var(--dark);
        }
        
        .nav-links a::after {
            display: none; /* 在移动端隐藏下划线动画 */
        }
        
        .nav-links a:hover {
            background-color: rgba(67, 97, 238, 0.05); /* 添加背景色变化效果 */
        }
        
        /* 认证按钮在移动端隐藏 */
        .auth-buttons {
            display: none;
        }
        /* 手机端隐藏用户评价部分 */
        .testimonials {
            display: none;
        }
    }
    
    @media (min-width: 769px) {
        /* 大屏幕上隐藏移动菜单按钮 */
        .mobile-menu-btn {
            display: none;
        }
        
        /* 确保导航链接在大屏幕上显示 */
        .nav-links {
            display: flex;
        }
    }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
    .feature-comparison {
        padding: 60px 0;
        background-color: #f8f9ff;
    }
    
    .comparison-table {
        overflow-x: auto;
        margin-top: 30px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        border-radius: 12px;
        background: white;
    }
    
    .comparison-table table {
        width: 100%;
        border-collapse: collapse;
    }
    
    .comparison-table th, 
    .comparison-table td {
        padding: 15px;
        text-align: center;
        border: 1px solid #e2e8f0;
    }
    
    .comparison-table th {
        background-color: #4361ee;
        color: white;
        font-weight: 500;
    }
    
    .comparison-table tr:nth-child(even) {
        background-color: #f8f9fa;
    }
    
    .comparison-table td:first-child {
        text-align: left;
        font-weight: 500;
        background-color: #f1f5f9;
    }
    
    .comparison-table .fa-check {
        color: #10b981;
    }
    
    .comparison-table .fa-times {
        color: #ef4444;
    }
    
    @media (max-width: 768px) {
        .comparison-table th, 
        .comparison-table td {
            padding: 10px 8px;
            font-size: 0.9rem;
        }
    }