/* CSS Reset & Variables */
        :root {
            --primary: #52B788;
            --primary-dark: #1B4332;
            --primary-light: #D8F3DC;
            --mint-bg: #F4FBF7;
            --dark-text: #2C3E35;
            --light-text: #6B7C72;
            --white: #FFFFFF;
            --border-color: #E2EFE9;
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--mint-bg);
            color: var(--dark-text);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: var(--primary-dark);
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* Common Layout Grid */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-size: 2.2rem;
            color: var(--primary-dark);
            position: relative;
            display: inline-block;
            padding-bottom: 10px;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .section-title p {
            color: var(--light-text);
            margin-top: 15px;
            font-size: 1.1rem;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            outline: none;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--white);
        }

        .btn-primary:hover {
            background-color: #409A70;
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(82, 183, 136, 0.3);
        }

        .btn-secondary {
            background-color: var(--white);
            color: var(--primary-dark);
            border: 2px solid var(--primary-dark);
        }

        .btn-secondary:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }

        /* Header */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 10px rgba(0,0,0,0.03);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-wrap img {
            max-height: 45px;
            object-fit: contain;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 20px;
        }

        .nav-menu a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--dark-text);
            padding: 5px 8px;
            border-radius: 4px;
        }

        .nav-menu a:hover {
            color: var(--primary);
            background-color: var(--mint-bg);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }

        .nav-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--primary-dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Hero Section (No Image Allowed) */
        .hero {
            background: linear-gradient(135deg, #E8F8F5 0%, #D8F3DC 100%);
            padding: 100px 0 120px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(82, 183, 136, 0.2);
            filter: blur(100px);
            border-radius: 50%;
            top: -50px;
            left: -50px;
        }

        .hero::after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: rgba(216, 243, 220, 0.4);
            filter: blur(120px);
            border-radius: 50%;
            bottom: -100px;
            right: -50px;
        }

        .hero-content {
            position: relative;
            z-index: 10;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            background-color: rgba(82, 183, 136, 0.15);
            color: var(--primary-dark);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 25px;
        }

        .hero h1 {
            font-size: 2.8rem;
            line-height: 1.3;
            color: var(--primary-dark);
            margin-bottom: 20px;
            font-weight: 800;
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--light-text);
            margin-bottom: 35px;
        }

        .hero-btns {
            display: flex;
            gap: 15px;
            justify-content: center;
        }

        /* Data Badges Grid */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
            margin-top: 60px;
            text-align: left;
        }

        .data-card {
            background-color: var(--white);
            border-radius: 12px;
            padding: 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(0,0,0,0.01);
        }

        .data-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 24px rgba(82, 183, 136, 0.1);
            border-color: var(--primary);
        }

        .data-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .data-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 6px;
        }

        .data-desc {
            font-size: 0.85rem;
            color: var(--light-text);
        }

        /* Services Grid */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 35px;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.03);
            border-color: var(--primary);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            background-color: var(--primary-light);
            color: var(--primary-dark);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 25px;
        }

        .service-card h3 {
            font-size: 1.3rem;
            color: var(--primary-dark);
            margin-bottom: 15px;
        }

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

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .service-tag {
            background-color: var(--mint-bg);
            color: var(--primary-dark);
            font-size: 0.8rem;
            padding: 3px 10px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
        }

        /* Model Badges Wall */
        .model-showcase {
            background-color: var(--white);
            padding: 60px 0;
            text-align: center;
        }

        .model-wall {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-top: 30px;
        }

        .model-badge {
            background-color: var(--mint-bg);
            border: 1px solid var(--border-color);
            color: var(--dark-text);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .model-badge:hover {
            background-color: var(--primary);
            color: var(--white);
            border-color: var(--primary);
            transform: scale(1.05);
        }

        /* AIGC Process Timeline */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background-color: var(--primary-light);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background-color: var(--white);
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .right::after {
            left: -10px;
        }

        .timeline-content {
            padding: 20px 30px;
            background-color: var(--white);
            position: relative;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .timeline-content h3 {
            color: var(--primary-dark);
            margin-bottom: 8px;
            font-size: 1.15rem;
        }

        .timeline-content p {
            font-size: 0.9rem;
            color: var(--light-text);
        }

        /* Compare Section & Pricing */
        .compare-table-wrapper {
            overflow-x: auto;
            background-color: var(--white);
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        th, td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        th {
            background-color: var(--mint-bg);
            color: var(--primary-dark);
            font-weight: 600;
        }

        tr:last-child td {
            border-bottom: none;
        }

        .rating-badge {
            background-color: #FFF3CD;
            color: #856404;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: bold;
            font-size: 0.85rem;
        }

        /* Info Grid / Cards with Pictures */
        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .info-card {
            background-color: var(--white);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }

        .info-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: var(--mint-bg);
        }

        .info-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .info-card:hover .info-img-container img {
            transform: scale(1.05);
        }

        .info-body {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-body h3 {
            color: var(--primary-dark);
            font-size: 1.25rem;
            margin-bottom: 10px;
        }

        .info-body p {
            color: var(--light-text);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        /* Review Grid */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .review-card {
            background-color: var(--white);
            border-radius: 12px;
            padding: 25px;
            border: 1px solid var(--border-color);
            position: relative;
        }

        .review-stars {
            color: #FFC107;
            margin-bottom: 10px;
        }

        .review-text {
            font-size: 0.95rem;
            color: var(--dark-text);
            margin-bottom: 15px;
            font-style: italic;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .author-info h4 {
            font-size: 0.9rem;
            color: var(--primary-dark);
        }

        .author-info span {
            font-size: 0.8rem;
            color: var(--light-text);
        }

        /* Accordion FAQ */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 20px 25px;
            font-weight: 600;
            color: var(--primary-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-header::after {
            content: '+';
            font-size: 1.5rem;
            transition: var(--transition);
        }

        .faq-item.active .faq-header::after {
            transform: rotate(45deg);
        }

        .faq-content {
            padding: 0 25px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: var(--light-text);
            font-size: 0.95rem;
        }

        .faq-item.active .faq-content {
            padding: 0 25px 20px;
            max-height: 200px;
        }

        /* Auto Troubleshooter UI */
        .troubleshoot-box {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            max-width: 800px;
            margin: 0 auto;
        }

        .troubleshoot-steps {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .ts-btn {
            background-color: var(--mint-bg);
            border: 1px solid var(--border-color);
            padding: 10px 20px;
            border-radius: 8px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
        }

        .ts-btn:hover, .ts-btn.active {
            background-color: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }

        .ts-result {
            background-color: var(--mint-bg);
            border: 1px dashed var(--primary);
            border-radius: 8px;
            padding: 20px;
            font-size: 0.95rem;
            color: var(--primary-dark);
            min-height: 80px;
        }

        /* Form Area */
        .contact-section {
            background-color: var(--white);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .form-info h3 {
            font-size: 1.8rem;
            color: var(--primary-dark);
            margin-bottom: 15px;
        }

        .form-info p {
            color: var(--light-text);
            margin-bottom: 30px;
        }

        .info-list {
            list-style: none;
        }

        .info-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }

        .info-list i {
            color: var(--primary);
        }

        .contact-form {
            background-color: var(--mint-bg);
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary-dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background-color: var(--white);
            font-size: 0.95rem;
            color: var(--dark-text);
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(82, 183, 136, 0.15);
        }

        /* Articles & Links Grid */
        .articles-box {
            background-color: var(--white);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
        }

        .article-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }

        .article-link-item {
            background-color: var(--mint-bg);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            display: block;
            transition: var(--transition);
        }

        .article-link-item:hover {
            border-color: var(--primary);
            background-color: var(--white);
            transform: translateX(4px);
        }

        /* Footer */
        footer {
            background-color: var(--primary-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 1.1rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--primary);
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
            padding-left: 5px;
        }

        .footer-about p {
            font-size: 0.9rem;
            margin-bottom: 15px;
            line-height: 1.6;
        }

        .footer-qrcode {
            display: flex;
            gap: 15px;
            align-items: center;
            margin-top: 15px;
        }

        .footer-qrcode img {
            width: 80px;
            height: 80px;
            background-color: var(--white);
            padding: 5px;
            border-radius: 4px;
        }

        .footer-qrcode span {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 15px;
        }

        .friend-links a {
            color: rgba(255, 255, 255, 0.7);
            background-color: rgba(255, 255, 255, 0.08);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
        }

        .friend-links a:hover {
            background-color: var(--primary);
            color: var(--white);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 25px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* Floating customer service Widget */
        .floating-widget {
            position: fixed;
            right: 25px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            background-color: var(--white);
            color: var(--primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
            position: relative;
        }

        .float-item:hover {
            background-color: var(--primary);
            color: var(--white);
            transform: translateY(-3px);
        }

        .float-item .popover {
            position: absolute;
            right: 65px;
            bottom: 0;
            background-color: var(--white);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
            display: none;
            flex-direction: column;
            align-items: center;
            width: 140px;
            text-align: center;
        }

        .float-item .popover img {
            width: 110px;
            height: 110px;
            margin-bottom: 8px;
        }

        .float-item .popover span {
            font-size: 0.75rem;
            color: var(--dark-text);
            font-weight: 500;
        }

        .float-item:hover .popover {
            display: flex;
        }

        /* Mobile Responsive Adjustments */
        @media (max-width: 992px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--white);
                box-shadow: 0 4px 10px rgba(0,0,0,0.05);
                padding: 20px;
                border-top: 1px solid var(--border-color);
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .form-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item::after {
                left: 21px;
            }
            .right {
                left: 0%;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-btns {
                flex-direction: column;
                align-items: stretch;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .section-title h2 {
                font-size: 1.7rem;
            }
            .footer-bottom {
                flex-direction: column;
            }
        }