* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background: #f8fafc;
        }

        .j990-header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        }

        .j990-nav {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .j990-logo img {
            height: 40px;
            width: auto;
        }

        .j990-menu-toggle {
            display: none;
            flex-direction: column;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }

        .j990-menu-toggle span {
            width: 25px;
            height: 3px;
            background: #333;
            margin: 3px 0;
            transition: 0.3s;
        }

        .j990-nav-menu {
            display: flex;
            list-style: none;
            gap: 30px;
        }

        .j990-nav-menu a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s;
        }

        .j990-nav-menu a:hover,
        .j990-nav-menu a.active {
            color: #007bff;
        }

        .j990-nav-overlay {
            display: none;
        }

        .j990-main {
            margin-top: 70px;
            min-height: calc(100vh - 70px);
        }

        .j990-pricing-hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .j990-pricing-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
            opacity: 0.3;
        }

        .j990-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }

        .j990-pricing-hero h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .j990-pricing-hero p {
            font-size: 1.3rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
        }

        .j990-pricing-toggle {
            display: flex;
            justify-content: center;
            margin: 60px 0 40px;
        }

        .j990-toggle-wrapper {
            background: white;
            border-radius: 50px;
            padding: 8px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .j990-toggle-option {
            padding: 12px 30px;
            border-radius: 40px;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: 600;
            color: #666;
            position: relative;
        }

        .j990-toggle-option.active {
            background: #007bff;
            color: white;
            box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
        }

        .j990-discount-badge {
            background: #ff4757;
            color: white;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-left: 10px;
        }

        .j990-pricing-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin: 60px 0;
        }

        .j990-pricing-card {
            background: white;
            border-radius: 20px;
            padding: 40px 30px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .j990-pricing-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15);
        }

        .j990-pricing-card.featured {
            border: 3px solid #007bff;
            transform: scale(1.05);
        }

        .j990-pricing-card.featured::before {
            content: '最受欢迎';
            position: absolute;
            top: 20px;
            right: -30px;
            background: #007bff;
            color: white;
            padding: 8px 40px;
            font-size: 0.9rem;
            font-weight: 600;
            transform: rotate(45deg);
        }

        .j990-card-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .j990-card-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 2rem;
        }

        .j990-card-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: #333;
            margin-bottom: 10px;
        }

        .j990-card-subtitle {
            color: #666;
            font-size: 1rem;
        }

        .j990-card-price {
            text-align: center;
            margin-bottom: 30px;
        }

        .j990-price-amount {
            font-size: 3rem;
            font-weight: 700;
            color: #007bff;
            display: flex;
            align-items: baseline;
            justify-content: center;
            gap: 5px;
        }

        .j990-price-currency {
            font-size: 1.5rem;
        }

        .j990-price-period {
            font-size: 1rem;
            color: #666;
        }

        .j990-original-price {
            text-decoration: line-through;
            color: #999;
            font-size: 1.2rem;
            margin-top: 5px;
        }

        .j990-card-features {
            list-style: none;
            margin-bottom: 30px;
        }

        .j990-card-features li {
            padding: 12px 0;
            border-bottom: 1px solid #f0f0f0;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .j990-card-features li:last-child {
            border-bottom: none;
        }

        .j990-feature-icon {
            width: 20px;
            height: 20px;
            background: #28a745;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .j990-card-button {
            width: 100%;
            padding: 15px;
            background: #007bff;
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .j990-card-button:hover {
            background: #0056b3;
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(0, 123, 255, 0.3);
        }

        .j990-guarantee-section {
            background: white;
            padding: 80px 0;
            text-align: center;
        }

        .j990-guarantee-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-top: 50px;
        }

        .j990-guarantee-item {
            padding: 30px 20px;
            border-radius: 15px;
            background: #f8fafc;
            transition: all 0.3s;
        }

        .j990-guarantee-item:hover {
            background: #e3f2fd;
            transform: translateY(-5px);
        }

        .j990-guarantee-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #28a745, #20c997);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.5rem;
            color: white;
        }

        .j990-comparison-section {
            padding: 80px 0;
            background: #f8fafc;
        }

        .j990-comparison-table {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
            margin-top: 50px;
        }

        .j990-table-header {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 30px 0;
            text-align: center;
        }

        .j990-table-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 0;
        }

        .j990-table-cell {
            padding: 20px;
            border-bottom: 1px solid #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .j990-table-cell:first-child {
            justify-content: flex-start;
            font-weight: 600;
        }

        .j990-table-row:nth-child(even) {
            background: #f8fafc;
        }

        .j990-check-icon {
            color: #28a745;
            font-size: 1.2rem;
        }

        .j990-cross-icon {
            color: #dc3545;
            font-size: 1.2rem;
        }

        .j990-faq-section {
            padding: 80px 0;
            background: white;
        }

        .j990-faq-grid {
            display: grid;
            gap: 20px;
            margin-top: 50px;
        }

        .j990-faq-item {
            background: #f8fafc;
            border-radius: 15px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .j990-faq-question {
            padding: 25px 30px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.1rem;
            background: white;
            border-bottom: 1px solid #e9ecef;
        }

        .j990-faq-question:hover {
            background: #f8fafc;
        }

        .j990-faq-answer {
            padding: 0 30px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s;
            background: #f8fafc;
        }

        .j990-faq-answer.active {
            padding: 25px 30px;
            max-height: 200px;
        }

        .j990-faq-toggle {
            font-size: 1.5rem;
            transition: transform 0.3s;
        }

        .j990-faq-toggle.active {
            transform: rotate(45deg);
        }

        .j990-cta-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 80px 0;
            text-align: center;
        }

        .j990-cta-content h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .j990-cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .j990-cta-button {
            padding: 15px 40px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
            display: inline-block;
        }

        .j990-cta-button.primary {
            background: white;
            color: #007bff;
        }

        .j990-cta-button.secondary {
            background: transparent;
            color: white;
            border: 2px solid white;
        }

        .j990-cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }

        .j990-footer {
            background: #2c3e50;
            color: white;
            padding: 60px 0 30px;
        }

        .j990-footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .j990-footer-section h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 20px;
            color: #ecf0f1;
        }

        .j990-footer-section ul {
            list-style: none;
        }

        .j990-footer-section ul li {
            margin-bottom: 10px;
        }

        .j990-footer-section ul li a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s;
        }

        .j990-footer-section ul li a:hover {
            color: #3498db;
        }

        .j990-footer-bottom {
            border-top: 1px solid #34495e;
            padding-top: 30px;
            text-align: center;
            color: #95a5a6;
        }

        @media (max-width: 768px) {
            .j990-menu-toggle {
                display: flex;
            }

            .j990-nav-menu {
                display: none;
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            }

            .j990-nav-menu.active {
                display: flex;
            }

            .j990-nav-overlay {
                display: none;
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(0, 0, 0, 0.5);
                z-index: 999;
            }

            .j990-nav-overlay.active {
                display: block;
            }

            .j990-pricing-hero h1 {
                font-size: 2.5rem;
            }

            .j990-pricing-cards {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .j990-pricing-card.featured {
                transform: none;
            }

            .j990-table-grid {
                grid-template-columns: 1fr;
            }

            .j990-table-cell {
                text-align: left;
                justify-content: flex-start;
            }

            .j990-cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .j990-guarantee-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 480px) {
            .j990-container {
                padding: 0 15px;
            }

            .j990-pricing-hero {
                padding: 60px 0;
            }

            .j990-pricing-hero h1 {
                font-size: 2rem;
            }

            .j990-pricing-cards {
                margin: 40px 0;
            }

            .j990-pricing-card {
                padding: 30px 20px;
            }

            .j990-price-amount {
                font-size: 2.5rem;
            }
        }