:root {
            --primary-gradient: linear-gradient(135deg, #7F00FF 0%, #FF007F 100%);
            --secondary-gradient: linear-gradient(135deg, #00F2FE 0%, #4FACFE 100%);
            --dark-gradient: linear-gradient(135deg, #1f1c2c 0%, #928dab 100%);
            --bg-color: #fafaff;
            --text-main: #1e2022;
            --text-muted: #62686f;
            --card-bg: #ffffff;
            --border-color: #eef2f5;
            --accent-pink: #FF007F;
            --accent-blue: #00F2FE;
            --container-width: 1200px;
        }

        /* 重置样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            scroll-behavior: smooth;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

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

        .section-padding {
            padding: 100px 0;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(250, 250, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            height: 70px;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo-wrap {
            height: 40px;
            display: flex;
            align-items: center;
        }

        .logo-wrap img {
            max-height: 100%;
            width: auto;
        }

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

        .nav-menu a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 5px 10px;
            border-radius: 4px;
        }

        .nav-menu a:hover {
            color: var(--text-main);
            background-color: rgba(127, 0, 255, 0.05);
        }

        .nav-btn-group {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-register {
            background: var(--primary-gradient);
            color: #fff !important;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(255, 0, 127, 0.3);
        }

        .btn-register:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 0, 127, 0.4);
        }

        /* 移动端菜单按钮 */
        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            border: none;
            background: transparent;
            padding: 5px;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 25px;
            height: 2px;
            background-color: var(--text-main);
            transition: 0.3s;
        }

        /* Hero 首屏 (绝对无图片，高饱和色彩设计) */
        .hero-section {
            padding: 180px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(0, 242, 254, 0.15) 0%, rgba(250, 250, 255, 0) 50%),
                        radial-gradient(circle at 10% 80%, rgba(255, 0, 127, 0.1) 0%, rgba(250, 250, 255, 0) 50%);
            text-align: center;
            position: relative;
        }

        .hero-tag {
            display: inline-block;
            background: rgba(127, 0, 255, 0.08);
            border: 1px solid rgba(127, 0, 255, 0.2);
            color: #7F00FF;
            font-size: 14px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-main);
            max-width: 900px;
            margin: 0 auto 24px;
            letter-spacing: -0.5px;
        }

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

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 40px;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: #fff;
            padding: 16px 36px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 700;
            box-shadow: 0 8px 25px rgba(255, 0, 127, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(255, 0, 127, 0.45);
        }

        .btn-secondary {
            background: #fff;
            color: var(--text-main);
            border: 2px solid var(--text-main);
            padding: 14px 34px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 700;
        }

        .btn-secondary:hover {
            background: var(--text-main);
            color: #fff;
            transform: translateY(-3px);
        }

        /* 核心优势数字指标 */
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: rgba(127, 0, 255, 0.3);
            box-shadow: 0 15px 35px rgba(127, 0, 255, 0.08);
        }

        .stat-num {
            font-size: 32px;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Section 通用标题样式 */
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-tag {
            color: #7F00FF;
            font-size: 14px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
            display: block;
        }

        .section-main-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-main);
        }

        /* 关于我们 */
        .about-section {
            background-color: #fff;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 60px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.4;
        }

        .about-content p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 16px;
            line-height: 1.8;
        }

        .about-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .about-feat-item {
            background: var(--bg-color);
            padding: 20px;
            border-radius: 12px;
            border-left: 4px solid #7F00FF;
        }

        .about-feat-item h4 {
            font-weight: 700;
            margin-bottom: 8px;
        }

        .about-feat-item p {
            font-size: 13px;
            margin: 0;
            line-height: 1.5;
        }

        .about-badge-card {
            background: var(--dark-gradient);
            color: #fff;
            padding: 40px;
            border-radius: 24px;
            box-shadow: 0 20px 40px rgba(31, 28, 44, 0.15);
            position: relative;
            overflow: hidden;
        }

        .about-badge-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 0, 127, 0.15) 0%, transparent 60%);
        }

        .badge-title {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 15px;
        }

        .badge-desc {
            font-size: 14px;
            opacity: 0.8;
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .badge-meta {
            font-size: 12px;
            opacity: 0.6;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
        }

        /* 全平台 AIGC 服务 */
        .services-section {
            background-color: var(--bg-color);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 35px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary-gradient);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
        }

        .service-card:hover::after {
            transform: scaleX(1);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(127, 0, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: #7F00FF;
            margin-bottom: 24px;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
        }

        /* 一站式 AIGC 制作 (场景列表) */
        .production-section {
            background: #fff;
        }

        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scene-card {
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            background: var(--bg-color);
            transition: all 0.3s;
        }

        .scene-card:hover {
            background: #fff;
            border-color: #7F00FF;
            box-shadow: 0 10px 25px rgba(127, 0, 255, 0.05);
        }

        .scene-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .scene-title::before {
            content: '●';
            color: #FF007F;
            font-size: 12px;
        }

        .scene-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 模型清单 */
        .model-list-wrapper {
            margin-top: 50px;
            padding: 30px;
            background: linear-gradient(135deg, rgba(127, 0, 255, 0.02) 0%, rgba(0, 242, 254, 0.02) 100%);
            border: 1px dashed rgba(127, 0, 255, 0.2);
            border-radius: 16px;
        }

        .model-list-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 20px;
            text-align: center;
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .model-tag {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-main);
            transition: all 0.2s;
        }

        .model-tag:hover {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            transform: scale(1.05);
        }

        /* 解决方案 + 服务网络 */
        .solution-section {
            background-color: var(--bg-color);
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 60px;
        }

        .solution-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
        }

        .solution-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--text-main);
        }

        .solution-card ul {
            list-style: none;
        }

        .solution-card li {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .solution-card li::before {
            content: '✓';
            color: #00F2FE;
            font-weight: bold;
        }

        /* 服务网络网络 */
        .network-box {
            background: #fff;
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border-color);
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
        }

        .network-img-container img {
            border-radius: 12px;
            width: 100%;
            object-fit: cover;
        }

        .network-info h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .network-info p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .network-cities {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .city-tag {
            background: var(--bg-color);
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 600;
        }

        /* 流程与标准 */
        .process-section {
            background: #fff;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            position: relative;
            margin-bottom: 60px;
        }

        .step-card {
            background: var(--bg-color);
            border-radius: 16px;
            padding: 30px;
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50px;
            background: var(--primary-gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 技术标准 */
        .standards-table-wrapper {
            background: var(--bg-color);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            overflow-x: auto;
        }

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

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

        .standards-table th {
            font-weight: 700;
            color: var(--text-main);
            font-size: 14px;
        }

        .standards-table td {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 案例中心 */
        .cases-section {
            background-color: var(--bg-color);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.05);
        }

        .case-img-wrap {
            height: 200px;
            background: #eaeaea;
            overflow: hidden;
        }

        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-body {
            padding: 24px;
        }

        .case-tag {
            color: #FF007F;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 8px;
            display: inline-block;
        }

        .case-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .case-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 对比评测 */
        .comparison-section {
            background: #fff;
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 50px;
            align-items: center;
        }

        .rating-box {
            background: var(--dark-gradient);
            color: #fff;
            padding: 50px;
            border-radius: 24px;
            text-align: center;
            position: relative;
        }

        .rating-stars {
            color: #ffb800;
            font-size: 32px;
            margin-bottom: 15px;
        }

        .rating-score {
            font-size: 72px;
            font-weight: 900;
            line-height: 1;
            margin-bottom: 10px;
        }

        .rating-total {
            font-size: 16px;
            opacity: 0.7;
            margin-bottom: 20px;
        }

        .rating-label {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .comparison-table-wrapper {
            background: var(--bg-color);
            border-radius: 16px;
            padding: 25px;
            border: 1px solid var(--border-color);
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
        }

        .comparison-table th, .comparison-table td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--border-color);
            text-align: left;
            font-size: 14px;
        }

        .comparison-table th {
            font-weight: 700;
            color: var(--text-main);
        }

        .comparison-table td strong {
            color: #7F00FF;
        }

        /* Token 比价参考 */
        .token-section {
            background: var(--bg-color);
        }

        .token-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .token-table-wrap {
            background: #fff;
            border-radius: 16px;
            padding: 25px;
            border: 1px solid var(--border-color);
            overflow-x: auto;
        }

        .token-table {
            width: 100%;
            border-collapse: collapse;
        }

        .token-table th, .token-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-color);
            font-size: 13px;
            text-align: left;
        }

        .token-table th {
            font-weight: 700;
            background: var(--bg-color);
        }

        .token-badge {
            background: rgba(0, 242, 254, 0.1);
            color: #008fa9;
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 700;
        }

        .token-info-content h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .token-info-content p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 15px;
            line-height: 1.7;
        }

        /* 培训板块 (职业培训 & 人工智能培训) */
        .training-section {
            background: #fff;
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .train-card {
            background: var(--bg-color);
            border-radius: 20px;
            padding: 35px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .train-card:hover {
            border-color: #7F00FF;
            background: #fff;
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(127, 0, 255, 0.05);
        }

        .train-icon {
            font-size: 32px;
            margin-bottom: 20px;
            display: inline-block;
        }

        .train-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .train-card p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
        }

        .train-badge {
            display: inline-block;
            background: rgba(255,0,127,0.06);
            color: #FF007F;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
        }

        /* 需求匹配与联系我们 (表单) */
        .contact-section {
            background: var(--bg-color);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .form-wrap {
            background: #fff;
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

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

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background: var(--bg-color);
            font-size: 14px;
            color: var(--text-main);
            outline: none;
            transition: all 0.3s;
        }

        .form-control:focus {
            border-color: #7F00FF;
            background: #fff;
            box-shadow: 0 0 0 3px rgba(127, 0, 255, 0.1);
        }

        .btn-submit {
            width: 100%;
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 5px 15px rgba(255, 0, 127, 0.2);
            transition: all 0.3s;
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 0, 127, 0.3);
        }

        .contact-info-card {
            background: var(--dark-gradient);
            color: #fff;
            border-radius: 20px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-info-list {
            list-style: none;
            margin-top: 30px;
        }

        .contact-info-list li {
            margin-bottom: 20px;
            font-size: 14px;
            opacity: 0.9;
        }

        .contact-info-list strong {
            display: block;
            font-size: 12px;
            opacity: 0.6;
            text-transform: uppercase;
            margin-bottom: 4px;
        }

        .qr-codes {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
        }

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

        .qr-item img {
            width: 100%;
            border-radius: 8px;
            margin-bottom: 8px;
            background: #fff;
            padding: 5px;
        }

        .qr-item span {
            font-size: 12px;
            opacity: 0.8;
        }

        /* 代理加盟 */
        .agent-section {
            background: #fff;
            text-align: center;
        }

        .agent-box {
            max-width: 800px;
            margin: 0 auto;
            background: linear-gradient(135deg, rgba(0, 242, 254, 0.05) 0%, rgba(255, 0, 127, 0.05) 100%);
            border: 1px solid rgba(127, 0, 255, 0.1);
            border-radius: 24px;
            padding: 50px;
        }

        .agent-box h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 15px;
        }

        .agent-box p {
            color: var(--text-muted);
            margin-bottom: 30px;
            font-size: 15px;
        }

        /* 用户评论 */
        .comments-section {
            background-color: var(--bg-color);
        }

        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .comment-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            position: relative;
        }

        .comment-text {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            font-style: italic;
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }

        .user-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
        }

        .user-meta h4 {
            font-size: 14px;
            font-weight: 700;
        }

        .user-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 常见问题 FAQ + 帮助中心 */
        .faq-section {
            background: #fff;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .faq-item {
            background: var(--bg-color);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-question {
            padding: 20px;
            font-weight: 700;
            font-size: 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }

        .faq-question::after {
            content: '+';
            font-size: 20px;
            color: #7F00FF;
            transition: transform 0.3s;
        }

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

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: var(--text-muted);
            font-size: 14px;
            border-top: 1px solid transparent;
        }

        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 200px;
            border-top: 1px solid var(--border-color);
            background: #fff;
        }

        /* 自助排查 & 百科 */
        .trouble-glossary-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-top: 60px;
            border-top: 1px solid var(--border-color);
            padding-top: 60px;
        }

        .diagnostic-card, .glossary-card {
            background: var(--bg-color);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
        }

        .diagnostic-card h3, .glossary-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .trouble-list, .glossary-list {
            list-style: none;
        }

        .trouble-list li, .glossary-list li {
            margin-bottom: 15px;
            font-size: 14px;
        }

        .trouble-list strong, .glossary-list strong {
            color: #FF007F;
            display: block;
            margin-bottom: 4px;
        }

        /* 行业资讯 / 知识库 */
        .news-section {
            background: var(--bg-color);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .news-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            transition: all 0.3s;
        }

        .news-card:hover {
            transform: translateY(-5px);
            border-color: #7F00FF;
        }

        .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: block;
        }

        .news-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-title a {
            color: var(--text-main);
        }

        .news-title a:hover {
            color: #7F00FF;
        }

        .news-excerpt {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 页脚 */
        footer {
            background-color: #111215;
            color: #9da3ad;
            padding: 80px 0 30px;
            font-size: 14px;
        }

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

        .footer-brand h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .footer-brand p {
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .footer-links-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }

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

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

        .footer-links a {
            color: #9da3ad;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid #22252a;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .friend-links {
            width: 100%;
            border-top: 1px solid #22252a;
            padding-top: 20px;
            margin-top: 20px;
            font-size: 12px;
        }

        .friend-links a {
            color: #62686f;
            margin-right: 15px;
            display: inline-block;
        }

        .friend-links a:hover {
            color: #fff;
        }

        /* 浮动客服 */
        .float-contact {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            background: #fff;
            border-radius: 50%;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: all 0.3s;
        }

        .float-item:hover {
            background: var(--primary-gradient);
            color: #fff;
        }

        .float-item svg {
            width: 22px;
            height: 22px;
            fill: currentColor;
        }

        .float-qr-pop {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #fff;
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 150px;
        }

        .float-qr-pop img {
            width: 100%;
            margin-bottom: 5px;
        }

        .float-qr-pop span {
            color: var(--text-main);
            font-size: 12px;
            font-weight: 600;
        }

        .float-item:hover .float-qr-pop {
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .hero-title { font-size: 38px; }
            .hero-stats { grid-template-columns: repeat(2, 1fr); }
            .services-grid, .solutions-grid, .cases-grid, .training-grid, .comments-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
            .about-grid, .network-box, .comparison-grid, .token-grid, .contact-grid, .faq-grid { grid-template-columns: 1fr; }
            .process-steps { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle { display: flex; }
            .nav-menu {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: #fff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
                display: none;
            }
            .nav-menu.active { display: flex; }
            .nav-btn-group { display: none; }
            .hero-title { font-size: 30px; }
            .hero-stats { grid-template-columns: 1fr; }
            .services-grid, .scenes-grid, .solutions-grid, .cases-grid, .training-grid, .comments-grid, .news-grid, .process-steps { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .section-padding { padding: 60px 0; }
        }