:root {
            --primary-gradient: linear-gradient(135deg, #ff007f 0%, #7928ca 50%, #00f0ff 100%);
            --btn-gradient: linear-gradient(90deg, #ff0055 0%, #7928ca 50%, #00d2ff 100%);
            --text-main: #0f172a;
            --text-muted: #475569;
            --bg-light: #f8fafc;
            --bg-card: #ffffff;
            --border-color: #e2e8f0;
            --accent-pink: #ff007f;
            --accent-cyan: #00f0ff;
            --accent-purple: #7928ca;
            --container-width: 1200px;
            --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-light);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-smooth);
        }

        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 统一标题与修饰 */
        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 12px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

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

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 70px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            display: flex;
            align-items: center;
        }

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

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

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .brand-name {
            font-size: 1.25rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-links {
            display: flex;
            align-items: center;
        }

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 6px 12px;
            border-radius: 6px;
        }

        .nav-link:hover {
            color: var(--accent-pink);
            background: rgba(255, 0, 127, 0.05);
        }

        .nav-btn {
            background: var(--btn-gradient);
            color: #fff;
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(121, 40, 202, 0.3);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(121, 40, 202, 0.4);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            border-radius: 3px;
            transition: var(--transition-smooth);
        }

        /* 1. Hero 首屏 - 高饱和霓虹感，无图片 */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 100px;
            position: relative;
            background: radial-gradient(circle at 10% 20%, rgba(255, 0, 127, 0.04) 0%, rgba(0, 240, 255, 0.04) 90%);
            overflow: hidden;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: var(--accent-pink);
            filter: blur(150px);
            opacity: 0.15;
            top: -50px;
            right: -50px;
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: var(--accent-cyan);
            filter: blur(150px);
            opacity: 0.15;
            bottom: -50px;
            left: -50px;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(129, 140, 248, 0.1);
            border: 1px solid rgba(129, 140, 248, 0.2);
            color: #4f46e5;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 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: 1.25rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.7;
        }

        .hero-action-group {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .btn-primary {
            background: var(--btn-gradient);
            color: #fff;
            padding: 16px 36px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 700;
            box-shadow: 0 10px 25px rgba(255, 0, 127, 0.25);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 0, 127, 0.35);
        }

        .btn-secondary {
            background: #fff;
            color: var(--text-main);
            border: 2px solid var(--border-color);
            padding: 16px 36px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 700;
        }

        .btn-secondary:hover {
            border-color: var(--accent-purple);
            color: var(--accent-purple);
            transform: translateY(-3px);
        }

        /* 首页数据指标卡片 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 20px;
        }

        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 16px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            transition: var(--transition-smooth);
        }

        .metric-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-cyan);
            box-shadow: 0 20px 25px -5px rgba(0, 240, 255, 0.1);
        }

        .metric-value {
            font-size: 2.5rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

        .metric-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 2. 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .about-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .about-feat-item {
            background: var(--bg-light);
            padding: 20px;
            border-radius: 12px;
            border-left: 4px solid var(--accent-pink);
        }

        .about-feat-item h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            font-weight: 700;
        }

        .about-feat-item p {
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        .about-badge-card {
            background: linear-gradient(135deg, rgba(121, 40, 202, 0.05) 0%, rgba(0, 240, 255, 0.05) 100%);
            border: 2px solid var(--border-color);
            padding: 40px;
            border-radius: 24px;
            text-align: center;
            position: relative;
        }

        .about-badge-card::after {
            content: '★';
            font-size: 5rem;
            color: rgba(255, 0, 127, 0.05);
            position: absolute;
            top: 10px;
            left: 50%;
            transform: translateX(-50%);
        }

        .about-badge-title {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-purple);
            margin-bottom: 12px;
        }

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

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 40px 30px;
            border-radius: 20px;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

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

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            border-color: transparent;
        }

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

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 24px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

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

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

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

        /* 4. 全自动AIGC制作流程 */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
        }

        .flow-step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 16px;
            position: relative;
            text-align: center;
        }

        .step-num {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(121, 40, 202, 0.1);
            position: absolute;
            top: 10px;
            right: 20px;
        }

        .flow-step-card h3 {
            font-size: 1.25rem;
            margin-top: 20px;
            margin-bottom: 12px;
            font-weight: 700;
        }

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

        /* 5. 全行业解决方案 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .solution-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition-smooth);
        }

        .solution-card:hover {
            border-color: var(--accent-pink);
            box-shadow: 0 15px 30px rgba(255, 0, 127, 0.05);
        }

        .solution-header h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--accent-purple);
        }

        .solution-header p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

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

        .solution-features li {
            padding: 8px 0;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .solution-features li::before {
            content: '✓';
            color: #10b981;
            font-weight: bold;
        }

        /* 6. 全国服务网络 */
        .network-section {
            background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .network-info h3 {
            font-size: 1.8rem;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .network-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .network-item {
            background: #fff;
            padding: 16px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .network-dot {
            width: 10px;
            height: 10px;
            background: var(--accent-pink);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--accent-pink);
        }

        /* 7. 标准化服务全流程 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline-item {
            display: flex;
            margin-bottom: 40px;
            position: relative;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: 19px;
            top: 30px;
            bottom: -50px;
            width: 2px;
            background: var(--border-color);
        }

        .timeline-item:last-child::before {
            display: none;
        }

        .timeline-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            z-index: 2;
            flex-shrink: 0;
        }

        .timeline-content {
            margin-left: 24px;
            background: var(--bg-card);
            padding: 24px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            width: 100%;
        }

        .timeline-content h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            font-weight: 700;
        }

        /* 8. 技术标准 */
        .spec-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .spec-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 16px;
            text-align: center;
        }

        .spec-card h3 {
            font-size: 1.3rem;
            margin-bottom: 16px;
            color: var(--accent-purple);
            font-weight: 700;
        }

        .spec-list {
            list-style: none;
            text-align: left;
            display: inline-block;
        }

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

        .spec-list li::before {
            content: '●';
            color: var(--accent-pink);
            font-size: 0.8rem;
        }

        /* 9. 客户案例中心 - 含素材图 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition-smooth);
        }

        .case-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 30px rgba(0, 0, 0, 0.08);
        }

        .case-img-holder {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        .case-info {
            padding: 24px;
        }

        .case-info h4 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            font-weight: 700;
        }

        .case-info p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .case-tag {
            display: inline-block;
            background: rgba(0, 240, 255, 0.1);
            color: #0f766e;
            font-size: 0.8rem;
            padding: 4px 8px;
            border-radius: 4px;
            font-weight: 600;
        }

        /* 10. 对比评测 */
        .eval-section {
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.02) 0%, rgba(0, 240, 255, 0.02) 100%);
        }

        .eval-box {
            background: var(--bg-card);
            border: 2px solid var(--accent-pink);
            border-radius: 24px;
            padding: 48px;
            box-shadow: 0 20px 40px rgba(255, 0, 127, 0.05);
            max-width: 900px;
            margin: 0 auto;
        }

        .eval-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 24px;
            margin-bottom: 30px;
        }

        .eval-score-area {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .eval-score {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--accent-pink);
        }

        .eval-stars {
            font-size: 1.8rem;
            color: #f59e0b;
        }

        .eval-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .eval-list h4 {
            font-size: 1.2rem;
            margin-bottom: 16px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .eval-list ul {
            list-style: none;
        }

        .eval-list li {
            padding: 8px 0;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* 11. 智能需求匹配与 20. 联系我们 表单 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
        }

        .form-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
        }

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

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

        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            outline: none;
            transition: var(--transition-smooth);
            font-family: inherit;
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            border-color: var(--accent-pink);
            box-shadow: 0 0 0 3px rgba(255, 0, 127, 0.15);
        }

        .form-submit-btn {
            background: var(--btn-gradient);
            color: #fff;
            border: none;
            width: 100%;
            padding: 16px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(121, 40, 202, 0.2);
            transition: var(--transition-smooth);
        }

        .form-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(121, 40, 202, 0.3);
        }

        .contact-info-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 20px;
            height: fit-content;
        }

        .contact-info-card h3 {
            font-size: 1.5rem;
            margin-bottom: 24px;
            font-weight: 700;
        }

        .info-item {
            margin-bottom: 24px;
        }

        .info-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            text-transform: uppercase;
            margin-bottom: 4px;
        }

        .info-value {
            font-size: 1.05rem;
            font-weight: 600;
        }

        .qr-code-box {
            text-align: center;
            margin-top: 30px;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
        }

        .qr-code-box img {
            max-width: 160px;
            height: auto;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            padding: 8px;
        }

        /* 12. Token比价参考 */
        .token-table-container {
            width: 100%;
            overflow-x: auto;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
        }

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

        .token-table th, .token-table td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .token-table th {
            background-color: #f8fafc;
            font-weight: 700;
            color: var(--text-main);
        }

        .token-table tr:hover {
            background-color: #f1f5f9;
        }

        .price-badge {
            background: rgba(16, 185, 129, 0.1);
            color: #047857;
            padding: 4px 8px;
            border-radius: 4px;
            font-weight: 600;
        }

        /* 13. 职业技术培训 & 14. 人工智能培训 */
        .train-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .train-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition-smooth);
        }

        .train-card:hover {
            border-color: var(--accent-purple);
            box-shadow: 0 10px 25px rgba(121, 40, 202, 0.08);
        }

        .train-badge {
            align-self: flex-start;
            background: linear-gradient(90deg, var(--accent-pink), var(--accent-purple));
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 20px;
        }

        .train-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .train-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        /* 15. 帮助中心 & 17. 常见问题自助排查 */
        .help-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .help-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 12px;
            transition: var(--transition-smooth);
        }

        .help-card:hover {
            border-color: var(--accent-cyan);
        }

        .help-card h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        /* 16. 常见用户问题 FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 16px;
            overflow: hidden;
        }

        .faq-question {
            padding: 20px 24px;
            font-size: 1.05rem;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            background: #fff;
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            background: #f8fafc;
        }

        .faq-item.active .faq-answer {
            padding: 20px 24px;
            max-height: 300px;
            border-top: 1px solid var(--border-color);
        }

        .faq-icon::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 300;
        }

        .faq-item.active .faq-icon::after {
            content: '−';
        }

        /* 18. 网站术语百科 */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .wiki-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
        }

        .wiki-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--accent-purple);
        }

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

        /* 19. 行业资讯 / 知识库 - 最新文章 */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .article-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition-smooth);
        }

        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

        .article-body {
            padding: 24px;
        }

        .article-tag {
            font-size: 0.75rem;
            background: rgba(121, 40, 202, 0.1);
            color: var(--accent-purple);
            padding: 4px 8px;
            border-radius: 4px;
            font-weight: 700;
            margin-bottom: 12px;
            display: inline-block;
        }

        .article-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

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

        .article-link {
            display: block;
            padding: 16px 24px;
            border-top: 1px solid var(--border-color);
            color: var(--accent-pink);
            font-weight: 600;
            font-size: 0.9rem;
            text-align: right;
        }

        /* 6条 用户评论 */
        .comment-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .comment-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .comment-text {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 24px;
            font-style: italic;
        }

        .comment-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 0.9rem;
        }

        .author-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
        }

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

        /* 软件介绍 / 平台介绍 */
        .platform-intro-box {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.05) 0%, rgba(121, 40, 202, 0.05) 100%);
            border: 1px solid var(--border-color);
            padding: 48px;
            border-radius: 24px;
            margin-bottom: 60px;
        }

        .platform-intro-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

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

        .intro-feature-item {
            background: #fff;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        /* 支持平台标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .tag-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
            transition: var(--transition-smooth);
        }

        .tag-item:hover {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            transform: translateY(-2px);
        }

        /* 宣传图展示区 */
        .banner-gallery {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .banner-gallery img {
            border-radius: 12px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.05);
            transition: var(--transition-smooth);
        }

        .banner-gallery img:hover {
            transform: scale(1.02);
        }

        /* 侧边浮动客服 & 返回顶部 */
        .floating-bar {
            position: fixed;
            right: 24px;
            bottom: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50px;
            background: #fff;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 1px solid var(--border-color);
            transition: var(--transition-smooth);
            font-size: 1.2rem;
            position: relative;
        }

        .float-btn:hover {
            background: var(--btn-gradient);
            color: #fff;
            transform: translateY(-3px);
        }

        .float-qr {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #fff;
            padding: 12px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: none;
            border: 1px solid var(--border-color);
            text-align: center;
        }

        .float-qr img {
            width: 120px;
            height: 120px;
        }

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

        /* 页脚 */
        footer {
            background: #0f172a;
            color: #f8fafc;
            padding: 80px 0 30px;
            font-size: 0.95rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr 1fr;
            gap: 48px;
            margin-bottom: 60px;
        }

        .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .footer-brand p {
            color: #94a3b8;
            line-height: 1.8;
        }

        .footer-links-group {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .footer-links-title {
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
            font-size: 1.05rem;
        }

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

        .footer-links-list li {
            margin-bottom: 10px;
        }

        .footer-links-list a {
            color: #94a3b8;
        }

        .footer-links-list a:hover {
            color: var(--accent-pink);
        }

        .footer-contact h4 {
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }

        .footer-contact p {
            color: #94a3b8;
            margin-bottom: 8px;
        }

        .friend-links-area {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            margin-top: 30px;
        }

        .friend-links-title {
            font-size: 0.85rem;
            color: #64748b;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .friend-links a {
            color: #64748b;
            font-size: 0.85rem;
        }

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

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            color: #64748b;
            font-size: 0.85rem;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .metrics-grid, .service-grid, .flow-steps, .train-grid, .article-grid, .comment-grid, .spec-grid, .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .network-grid, .contact-grid, .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                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);
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .metrics-grid, .service-grid, .flow-steps, .train-grid, .article-grid, .comment-grid, .spec-grid, .case-grid, .solution-grid, .wiki-grid, .banner-gallery {
                grid-template-columns: 1fr;
            }
            .platform-intro-grid {
                grid-template-columns: 1fr;
            }
            .intro-features-list {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }