/* CSS Variables - Candy Bright Style */
        :root {
            --primary: #FF5E97;
            --primary-light: #FF94B9;
            --secondary: #4E65FF;
            --secondary-light: #92EFFD;
            --accent: #FFD358;
            --accent-bg: #FFF9E6;
            --success: #00E676;
            --text-dark: #2A2C35;
            --text-muted: #6C727F;
            --bg-light: #F7F9FC;
            --bg-white: #FFFFFF;
            --gradient-candy: linear-gradient(135deg, #FF94B9 0%, #B490FF 50%, #92EFFD 100%);
            --gradient-warm: linear-gradient(135deg, #FF5E97 0%, #FFD358 100%);
            --shadow-sm: 0 4px 10px rgba(255, 94, 151, 0.08);
            --shadow-md: 0 10px 25px rgba(78, 101, 255, 0.12);
            --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.06);
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 32px;
        }

        * {
            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(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: var(--secondary);
            text-decoration: none;
            transition: all 0.3s ease;
        }

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

        ul, ol {
            list-style: none;
        }

        /* Standard Container Layout */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Typography */
        h1, h2, h3, h4 {
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.25;
        }

        h2 {
            font-size: 2rem;
            text-align: center;
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
        }

        h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 6px;
            background: var(--gradient-candy);
            border-radius: 3px;
            margin: 10px auto 0 auto;
        }

        .section-desc {
            text-align: center;
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 700px;
            margin: 0 auto 48px auto;
        }

        section {
            padding: 96px 0;
            position: relative;
        }

        section:nth-child(even) {
            background-color: var(--bg-white);
        }

        /* Header Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 94, 151, 0.1);
            box-shadow: var(--shadow-sm);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo-area img {
            height: 45px;
            width: auto;
        }

        .logo-title {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-link {
            color: var(--text-dark);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 8px 0;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--gradient-warm);
            border-radius: 2px;
            transition: width 0.3s ease;
        }

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

        .nav-btn {
            background: var(--gradient-warm);
            color: var(--bg-white) !important;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            box-shadow: var(--shadow-sm);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 94, 151, 0.3);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--text-dark);
            cursor: pointer;
        }

        /* Hero Section (No Images!) */
        .hero {
            padding-top: 180px;
            padding-bottom: 120px;
            background: radial-gradient(circle at 10% 20%, rgba(255, 148, 185, 0.15) 0%, rgba(146, 239, 253, 0.15) 90%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,211,88,0.2) 0%, transparent 70%);
            top: -100px;
            left: -100px;
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(146,239,253,0.25) 0%, transparent 70%);
            bottom: -200px;
            right: -200px;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--bg-white);
            border: 2px solid var(--primary-light);
            padding: 8px 20px;
            border-radius: var(--radius-lg);
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--primary);
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
            position: relative;
            z-index: 5;
        }

        h1.hero-title {
            font-size: 3.5rem;
            margin-bottom: 24px;
            line-height: 1.2;
            position: relative;
            z-index: 5;
        }

        .hero-title span {
            background: linear-gradient(120deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px auto;
            position: relative;
            z-index: 5;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 60px;
            position: relative;
            z-index: 5;
        }

        .btn-primary {
            background: var(--gradient-warm);
            color: var(--bg-white);
            padding: 16px 40px;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: var(--radius-md);
            box-shadow: 0 10px 25px rgba(255, 94, 151, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        .btn-primary:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(255, 94, 151, 0.4);
            color: var(--bg-white);
        }

        .btn-secondary {
            background-color: var(--bg-white);
            color: var(--text-dark);
            border: 2px solid rgba(78, 101, 255, 0.2);
            padding: 16px 40px;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: var(--radius-md);
            transition: all 0.3s ease;
        }

        .btn-secondary:hover {
            border-color: var(--secondary);
            background-color: rgba(78, 101, 255, 0.05);
            color: var(--secondary);
        }

        /* Data Cards Section (About Us Context) */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
            position: relative;
            z-index: 5;
        }

        .stat-card {
            background-color: var(--bg-white);
            padding: 30px 20px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            border-top: 4px solid var(--primary-light);
            transition: transform 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
        }

        .stat-card:nth-child(2) { border-top-color: var(--secondary-light); }
        .stat-card:nth-child(3) { border-top-color: var(--accent); }
        .stat-card:nth-child(4) { border-top-color: var(--primary); }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 8px;
            background: linear-gradient(45deg, var(--text-dark), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* About Us Section */
        .about-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--secondary);
        }

        .about-p {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .about-feat-item {
            background-color: var(--bg-light);
            padding: 16px;
            border-radius: var(--radius-sm);
            border-left: 4px solid var(--primary);
            font-weight: 600;
        }

        .about-img-box {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 8px solid var(--bg-white);
        }

        .about-img-box img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* Services Grid (全平台AIGC服务) */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 40px 30px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border: 2px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary-light);
            box-shadow: var(--shadow-md);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 24px;
            background-color: var(--accent-bg);
            color: var(--primary);
        }

        .service-card:nth-child(2) .service-icon {
            background-color: rgba(78, 101, 255, 0.1);
            color: var(--secondary);
        }

        .service-card:nth-child(3) .service-icon {
            background-color: rgba(0, 230, 118, 0.1);
            color: var(--success);
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 16px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

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

        .model-tag {
            background-color: var(--bg-light);
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-muted);
        }

        /* One-stop Production Section (一站式AIGC制作) */
        .production-tabs-content {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-md);
        }

        .prod-info h3 {
            font-size: 2rem;
            margin-bottom: 20px;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .prod-features {
            margin: 24px 0;
        }

        .prod-feat-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .prod-feat-list li {
            position: relative;
            padding-left: 28px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .prod-feat-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 20px;
            height: 20px;
            background-color: var(--accent-bg);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 900;
        }

        .prod-image-wrapper {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .prod-image-wrapper img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }

        .prod-image-wrapper img:hover {
            transform: scale(1.03);
        }

        /* Solutions Section (全行业解决方案) */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .solution-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 30px 24px;
            box-shadow: var(--shadow-sm);
            text-align: center;
            border-bottom: 4px solid var(--secondary);
            transition: all 0.3s ease;
        }

        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .solution-card h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
        }

        .solution-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Service Network Section (全国服务网络) */
        .network-box {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
            border-radius: var(--radius-lg);
            padding: 60px;
            color: var(--bg-white);
            text-align: center;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .network-box h3 {
            color: var(--bg-white);
            font-size: 2.2rem;
            margin-bottom: 20px;
        }

        .network-cities {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 30px;
        }

        .city-tag {
            background-color: rgba(255, 255, 255, 0.2);
            padding: 8px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            backdrop-filter: blur(10px);
            transition: background-color 0.3s;
        }

        .city-tag:hover {
            background-color: var(--bg-white);
            color: var(--secondary);
        }

        /* Process & Standards Section */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-flow::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 4px;
            background: repeating-linear-gradient(90deg, var(--secondary-light), var(--secondary-light) 10px, transparent 10px, transparent 20px);
            z-index: 1;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 5;
        }

        .step-num {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--bg-white);
            border: 4px solid var(--primary);
            color: var(--primary);
            font-size: 1.8rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px auto;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

        .process-step:hover .step-num {
            background: var(--gradient-warm);
            color: var(--bg-white);
            border-color: transparent;
            transform: scale(1.1);
        }

        .process-step h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Case Studies (客户案例中心) */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s ease;
        }

        .case-card:hover {
            transform: translateY(-8px);
        }

        .case-img {
            position: relative;
            padding-bottom: 56.25%; /* 16:9 */
            overflow: hidden;
        }

        .case-img img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-content {
            padding: 24px;
        }

        .case-badge {
            display: inline-block;
            background-color: var(--accent-bg);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .case-content h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

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

        /* Comparison Section (对比评测) */
        .comparison-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-lg);
        }

        .comp-score-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 2px solid var(--bg-light);
            padding-bottom: 30px;
            margin-bottom: 30px;
        }

        .score-left {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .score-big {
            font-size: 4rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }

        .score-info h4 {
            font-size: 1.3rem;
            margin-bottom: 4px;
        }

        .score-stars {
            color: var(--accent);
            font-size: 1.2rem;
        }

        .table-responsive {
            overflow-x: auto;
        }

        .comp-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .comp-table th, .comp-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--bg-light);
        }

        .comp-table th {
            font-weight: 700;
            color: var(--text-dark);
            background-color: var(--bg-light);
        }

        .comp-table tr:hover {
            background-color: rgba(255, 94, 151, 0.02);
        }

        .highlight-col {
            background-color: rgba(255, 94, 151, 0.04);
            font-weight: 700;
            color: var(--primary);
        }

        /* Smart Matching (智能需求匹配 - Form) */
        .form-section {
            background: linear-gradient(135deg, rgba(255, 94, 151, 0.05) 0%, rgba(78, 101, 255, 0.05) 100%);
            border-radius: var(--radius-lg);
            padding: 60px;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: flex-start;
        }

        .form-info h3 {
            font-size: 2rem;
            margin-bottom: 20px;
        }

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

        .form-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 40px;
            box-shadow: var(--shadow-md);
        }

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

        .form-group label {
            display: block;
            font-weight: 700;
            margin-bottom: 8px;
            font-size: 0.95rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--bg-light);
            border-radius: var(--radius-sm);
            font-size: 1rem;
            color: var(--text-dark);
            outline: none;
            transition: border-color 0.3s;
        }

        .form-control:focus {
            border-color: var(--primary);
        }

        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232A2C35' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            background-size: 16px;
            padding-right: 40px;
        }

        textarea.form-control {
            resize: vertical;
            min-height: 120px;
        }

        .form-btn {
            width: 100%;
            background: var(--gradient-warm);
            color: var(--bg-white);
            border: none;
            padding: 14px;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            cursor: pointer;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

        .form-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 94, 151, 0.3);
        }

        /* Token Price Comparison (Token比价参考) */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .token-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border-top: 4px solid var(--secondary);
            position: relative;
        }

        .token-card.best-value {
            border-top-color: var(--primary);
        }

        .token-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background-color: var(--accent-bg);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .token-card h3 {
            font-size: 1.25rem;
            margin-bottom: 20px;
        }

        .token-price {
            margin-bottom: 24px;
        }

        .price-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--text-dark);
        }

        .price-unit {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .token-features {
            border-top: 1px solid var(--bg-light);
            padding-top: 20px;
        }

        .token-features li {
            margin-bottom: 10px;
            font-size: 0.9rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .token-features li::before {
            content: '✓';
            color: var(--success);
            font-weight: 900;
        }

        /* Vocational Training (职业技术培训 & 人工智能培训) */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .training-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-sm);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all 0.3s ease;
            border: 1px solid rgba(0,0,0,0.05);
        }

        .training-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .cert-icon {
            font-size: 2rem;
            margin-bottom: 16px;
            display: inline-block;
        }

        .training-card h3 {
            font-size: 1rem;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

        .training-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Agent Franchise Program (加盟代理) */
        .agent-section {
            background: linear-gradient(135deg, var(--bg-white) 0%, rgba(255, 211, 88, 0.1) 100%);
            border-radius: var(--radius-lg);
            padding: 60px;
            border: 2px solid var(--accent);
        }

        .agent-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .agent-benefits {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .benefit-card {
            background-color: var(--bg-white);
            padding: 20px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
        }

        .benefit-card h4 {
            color: var(--primary);
            margin-bottom: 8px;
        }

        .agent-cta {
            text-align: center;
            background-color: var(--bg-white);
            padding: 40px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
        }

        .agent-cta h3 {
            font-size: 1.5rem;
            margin-bottom: 12px;
        }

        .agent-cta p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* FAQ Section (常见问题) */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--bg-white);
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-header {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            font-size: 1.05rem;
            user-select: none;
        }

        .faq-icon {
            font-size: 1.2rem;
            transition: transform 0.3s;
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 1px solid transparent;
        }

        .faq-item.active .faq-body {
            max-height: 200px;
            padding: 20px 24px;
            border-top-color: var(--bg-light);
        }

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

        /* Troubleshooting & AI Dictionary (自助排查与术语百科) */
        .trouble-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .trouble-card, .dict-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 40px;
            box-shadow: var(--shadow-sm);
        }

        .trouble-card h3, .dict-card h3 {
            font-size: 1.4rem;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .trouble-list li, .dict-list li {
            margin-bottom: 16px;
            padding-bottom: 16px;
            border-bottom: 1px dashed var(--bg-light);
        }

        .trouble-list li:last-child, .dict-list li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }

        .trouble-q, .dict-term {
            font-weight: 700;
            margin-bottom: 6px;
        }

        .trouble-a, .dict-def {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Reviews Section (客户评论) */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .review-quote {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            position: relative;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .user-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-white);
            font-weight: 700;
        }

        .review-card:nth-child(even) .user-avatar {
            background-color: var(--secondary-light);
        }

        .user-info h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }

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

        /* News & Articles List (行业资讯) */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .article-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: transform 0.3s;
        }

        .article-card:hover {
            transform: translateY(-5px);
        }

        .article-desc {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .article-desc h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
        }

        .article-desc p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .article-link {
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* Footer */
        footer {
            background-color: var(--text-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 80px 0 30px 0;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-col h4 {
            color: var(--bg-white);
            font-size: 1.1rem;
            margin-bottom: 24px;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
        }

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

        .footer-contact li {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-qr {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .qr-item {
            text-align: center;
        }

        .qr-item img {
            width: 100px;
            height: 100px;
            border-radius: var(--radius-sm);
            margin-bottom: 8px;
            background-color: var(--bg-white);
            padding: 4px;
        }

        .qr-item p {
            font-size: 0.75rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .friendship-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 16px;
            font-size: 0.8rem;
        }

        .friendship-links a {
            color: rgba(255, 255, 255, 0.5);
            background-color: rgba(255, 255, 255, 0.05);
            padding: 4px 10px;
            border-radius: 4px;
        }

        .friendship-links a:hover {
            color: var(--primary-light);
            background-color: rgba(255, 255, 255, 0.1);
        }

        /* Floating Elements */
        .float-widget {
            position: fixed;
            bottom: 40px;
            right: 40px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

        .float-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background-color: var(--bg-white);
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
            background-color: var(--primary);
            color: var(--bg-white);
        }

        .float-btn-qr {
            position: absolute;
            bottom: 64px;
            right: 0;
            background-color: var(--bg-white);
            padding: 16px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            display: none;
            text-align: center;
            width: 160px;
        }

        .float-btn-qr img {
            width: 128px;
            height: 128px;
            margin-bottom: 8px;
        }

        .float-btn-qr p {
            font-size: 0.8rem;
            color: var(--text-dark);
            font-weight: 700;
        }

        .float-btn:hover .float-btn-qr {
            display: block;
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid, .cases-grid, .token-grid, .reviews-grid, .articles-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .about-wrapper, .form-grid, .agent-grid, .trouble-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            h1.hero-title {
                font-size: 2.2rem;
            }
            .menu-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                right: 0;
                background-color: var(--bg-white);
                flex-direction: column;
                padding: 30px;
                box-shadow: var(--shadow-md);
                gap: 20px;
                border-bottom: 2px solid var(--primary-light);
            }
            .nav-menu.active {
                display: flex;
            }
            .hero-btns {
                flex-direction: column;
                gap: 12px;
            }
            .stats-grid, .services-grid, .cases-grid, .token-grid, .reviews-grid, .articles-list, .training-grid {
                grid-template-columns: 1fr;
            }
            .process-flow {
                grid-template-columns: 1fr;
            }
            .process-flow::before {
                display: none;
            }
            .production-tabs-content {
                grid-template-columns: 1fr;
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }