/* 霓虹亮彩风核心变量定义 */
        :root {
            --bg-color: #0b091a;
            --card-bg: rgba(25, 20, 48, 0.5);
            --border-color: rgba(255, 255, 255, 0.08);
            --primary-neon: #00f2fe;
            --secondary-neon: #9d4edd;
            --accent-neon: #ff007f;
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        /* 基础重置与排版 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

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

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

        a:hover {
            color: var(--accent-neon);
            text-shadow: 0 0 8px var(--accent-neon);
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

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

        /* 霓虹渐变文字与装饰 */
        .neon-text-gradient {
            background: linear-gradient(135deg, var(--primary-neon), var(--secondary-neon) 50%, var(--accent-neon));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .section-header h2 {
            font-size: 2.2rem;
            margin-bottom: 15px;
            letter-spacing: 1px;
        }

        .section-header p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.95rem;
            border: none;
        }

        .btn-neon-primary {
            background: linear-gradient(90deg, #00f2fe, #4facfe);
            color: #0b091a;
            box-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
        }

        .btn-neon-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(0, 242, 254, 0.7);
            color: #0b091a;
        }

        .btn-neon-secondary {
            background: transparent;
            border: 2px solid var(--secondary-neon);
            color: var(--text-main);
            box-shadow: 0 0 10px rgba(157, 78, 221, 0.2);
        }

        .btn-neon-secondary:hover {
            background: var(--secondary-neon);
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(157, 78, 221, 0.6);
        }

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 9, 26, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

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

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

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

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

        nav ul li a {
            color: var(--text-main);
            font-size: 0.9rem;
            font-weight: 500;
        }

        nav ul li a:hover {
            color: var(--primary-neon);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* 1. Hero 首页 (不含图片) */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 100px;
            background: radial-gradient(circle at 80% 20%, rgba(157, 78, 221, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(0, 242, 254, 0.15) 0%, transparent 50%);
        }

        .hero-content {
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 30px;
            background: rgba(0, 242, 254, 0.1);
            border: 1px solid rgba(0, 242, 254, 0.3);
            color: var(--primary-neon);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 25px;
            text-transform: uppercase;
            box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
        }

        h1.hero-title {
            font-size: 3rem;
            line-height: 1.25;
            margin-bottom: 25px;
            font-weight: 800;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.7;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
            text-align: center;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-neon);
            box-shadow: 0 5px 20px rgba(0, 242, 254, 0.15);
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-neon);
            margin-bottom: 5px;
            font-family: monospace;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 2. 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

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

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 15px;
        }

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

        .about-feat-box {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .about-feat-box:hover {
            border-color: var(--secondary-neon);
            box-shadow: 0 0 15px rgba(157, 78, 221, 0.2);
        }

        .about-feat-box h4 {
            color: var(--primary-neon);
            margin-bottom: 8px;
        }

        .about-feat-box p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* 3. 全平台AIGC服务体系 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--accent-neon);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-neon);
            box-shadow: 0 5px 25px rgba(255, 0, 127, 0.15);
        }

        .service-icon {
            font-size: 2rem;
            margin-bottom: 20px;
        }

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

        .service-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

        /* 模型标签云 */
        .model-tags-container {
            margin-top: 50px;
            text-align: center;
        }

        .model-tags-title {
            font-size: 1.1rem;
            margin-bottom: 20px;
            color: var(--text-muted);
        }

        .model-tags-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .model-tag {
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: all 0.3s ease;
        }

        .model-tag:hover {
            border-color: var(--primary-neon);
            color: var(--primary-neon);
            box-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
            transform: scale(1.05);
        }

        /* 4. 全自动AIGC制作流程 */
        .workflow-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
            margin-top: 40px;
        }

        .workflow-step {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 12px;
            position: relative;
            transition: all 0.3s ease;
        }

        .workflow-step:hover {
            border-color: var(--primary-neon);
            box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
        }

        .step-num {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 2.5rem;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.05);
            font-family: monospace;
            line-height: 1;
        }

        .workflow-step h3 {
            font-size: 1.15rem;
            color: var(--primary-neon);
            margin-bottom: 12px;
        }

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

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

        .solution-main-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .solution-meta {
            display: flex;
            gap: 20px;
            margin-bottom: 25px;
        }

        .solution-img-box {
            flex: 1;
            overflow: hidden;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            position: relative;
        }

        .solution-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .solution-info-box {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .solution-info-box h3 {
            font-size: 1.5rem;
            color: var(--primary-neon);
            margin-bottom: 15px;
        }

        .solution-side-cards {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .solution-side-box {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            display: flex;
            gap: 15px;
            align-items: center;
        }

        .solution-side-thumb {
            width: 80px;
            height: 80px;
            flex-shrink: 0;
            overflow: hidden;
            border-radius: 6px;
        }

        .solution-side-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* 6. 全国服务网络 */
        .network-section {
            background: radial-gradient(circle at center, rgba(157, 78, 221, 0.08) 0%, transparent 70%);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 45px;
            align-items: center;
        }

        .network-content h3 {
            font-size: 1.8rem;
            color: var(--primary-neon);
            margin-bottom: 15px;
        }

        .network-list {
            margin-top: 25px;
        }

        .network-item {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .network-item span:first-child {
            font-weight: 600;
            color: var(--text-main);
        }

        .network-item span:last-child {
            color: var(--text-muted);
        }

        .network-visual {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            min-height: 300px;
            display: flex;
            flex-direction: column;
            justify-content: space-around;
        }

        .network-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            text-align: center;
        }

        /* 7. 标准化服务全流程 */
        .process-flow {
            display: flex;
            flex-direction: column;
            gap: 30px;
            margin-top: 40px;
        }

        .process-row {
            display: grid;
            grid-template-columns: 100px 1fr;
            gap: 30px;
            align-items: center;
            padding-bottom: 25px;
            border-bottom: 1px dashed var(--border-color);
        }

        .process-row:last-child {
            border-bottom: none;
        }

        .process-badge {
            background: var(--accent-neon);
            color: #ffffff;
            font-weight: 800;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.4);
        }

        .process-detail h4 {
            font-size: 1.25rem;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .process-detail p {
            color: var(--text-muted);
            margin: 0;
        }

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

        .standard-card {
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            background: linear-gradient(180deg, rgba(25, 20, 48, 0.4) 0%, rgba(11, 9, 26, 0.8) 100%);
            transition: all 0.3s ease;
        }

        .standard-card:hover {
            border-color: var(--primary-neon);
            box-shadow: 0 5px 20px rgba(0, 242, 254, 0.1);
        }

        .standard-card h3 {
            color: var(--primary-neon);
            margin-bottom: 15px;
            font-size: 1.25rem;
        }

        .standard-card ul {
            list-style: none;
            padding: 0;
        }

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

        .standard-card li::before {
            content: '✓';
            color: var(--primary-neon);
            font-weight: bold;
        }

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

        .case-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .case-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-neon);
            box-shadow: 0 5px 25px rgba(255, 0, 127, 0.15);
        }

        .case-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            padding: 3px 8px;
            border-radius: 4px;
            background: rgba(255, 0, 127, 0.1);
            color: var(--accent-neon);
            font-size: 0.75rem;
            margin-bottom: 10px;
            border: 1px solid rgba(255, 0, 127, 0.2);
        }

        .case-info h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
        }

        .case-info p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin: 0;
        }

        /* 10. 对比评测 */
        .evaluation-box {
            background: var(--card-bg);
            border: 1px solid var(--primary-neon);
            box-shadow: 0 0 25px rgba(0, 242, 254, 0.15);
            border-radius: 16px;
            padding: 40px;
        }

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

        .eval-rating {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .eval-stars {
            color: #ffd700;
            font-size: 1.5rem;
        }

        .eval-score {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-neon);
            font-family: monospace;
        }

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

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

        .compare-table th, .compare-table td {
            padding: 15px 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .compare-table th {
            background: rgba(255, 255, 255, 0.02);
            color: var(--text-main);
            font-weight: 600;
        }

        .compare-table td {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .compare-table tr:hover td {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.01);
        }

        .highlight-td {
            color: var(--primary-neon) !important;
            font-weight: bold;
        }

        /* 11. 智能需求匹配与表单 */
        .match-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .match-info h3 {
            font-size: 1.8rem;
            color: var(--primary-neon);
            margin-bottom: 20px;
        }

        .match-info p {
            color: var(--text-muted);
            margin-bottom: 25px;
        }

        .form-card {
            background: rgba(15, 12, 36, 0.8);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 35px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.85rem;
            color: var(--text-main);
        }

        .form-control {
            width: 100%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 12px 16px;
            color: var(--text-main);
            font-family: inherit;
            font-size: 0.9rem;
            transition: all 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-neon);
            box-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
            background: rgba(255, 255, 255, 0.08);
        }

        /* 12. Token比价参考 */
        .token-pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .pricing-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
            position: relative;
            transition: all 0.3s ease;
        }

        .pricing-card.popular {
            border-color: var(--accent-neon);
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.2);
        }

        .pricing-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent-neon);
            color: #ffffff;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 600;
        }

        .pricing-card h3 {
            margin-bottom: 10px;
        }

        .price-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-neon);
            margin: 20px 0;
            font-family: monospace;
        }

        .price-features {
            list-style: none;
            padding: 0;
            margin: 25px 0;
            text-align: left;
        }

        .price-features li {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            display: flex;
            justify-content: space-between;
        }

        /* 13. 职业技术培训 & 14. 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .course-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .course-card:hover {
            border-color: var(--secondary-neon);
            transform: scale(1.03);
            box-shadow: 0 0 15px rgba(157, 78, 221, 0.3);
        }

        .course-icon {
            font-size: 2rem;
            margin-bottom: 15px;
            color: var(--secondary-neon);
        }

        .course-card h4 {
            font-size: 0.95rem;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .course-card p {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* 15. 帮助中心 */
        .help-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .help-box {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 12px;
            text-align: center;
        }

        .help-box h3 {
            font-size: 1.2rem;
            margin-bottom: 15px;
        }

        .help-box p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

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

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-question {
            padding: 18px 25px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            transition: background 0.3s;
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
            color: var(--primary-neon);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(0, 0, 0, 0.15);
        }

        .faq-answer p {
            padding: 20px 25px;
            margin: 0;
            color: var(--text-muted);
            font-size: 0.9rem;
            border-top: 1px solid var(--border-color);
        }

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

        .faq-item.active .faq-toggle-icon {
            transform: rotate(45deg);
            color: var(--primary-neon);
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
        }

        /* 17. 常见问题自助排查 & 18. 网站术语百科 */
        .troubleshoot-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .troubleshoot-box, .encyclopedia-box {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
        }

        .troubleshoot-box h3, .encyclopedia-box h3 {
            font-size: 1.3rem;
            color: var(--primary-neon);
            margin-bottom: 20px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 10px;
        }

        .trouble-list, .term-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .trouble-item h4, .term-item h4 {
            font-size: 0.95rem;
            color: var(--text-main);
            margin-bottom: 5px;
        }

        .trouble-item p, .term-item p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin: 0;
        }

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

        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-card h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .news-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* 用户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
            margin-top: 40px;
        }

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

        .comment-text {
            font-size: 0.88rem;
            color: var(--text-muted);
            font-style: italic;
            margin-bottom: 20px;
            line-height: 1.6;
        }

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

        .user-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-neon), var(--secondary-neon));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: #fff;
            font-size: 0.9rem;
        }

        .user-info h4 {
            font-size: 0.9rem;
            margin: 0;
            color: var(--text-main);
        }

        .user-info span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* 20. 联系我们 & 客服悬浮窗 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-info-list {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .contact-info-item {
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }

        .contact-icon {
            font-size: 1.5rem;
            color: var(--primary-neon);
        }

        .contact-text h4 {
            margin-bottom: 5px;
        }

        .contact-text p {
            color: var(--text-muted);
            margin: 0;
            font-size: 0.9rem;
        }

        .contact-qrcode-box {
            display: flex;
            gap: 20px;
            align-items: center;
            background: rgba(255, 255, 255, 0.02);
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }

        .contact-qrcode {
            width: 100px;
            height: 100px;
            background: #fff;
            padding: 5px;
            border-radius: 4px;
        }

        .contact-qrcode img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* 侧边悬浮浮窗 */
        .floating-kefu {
            position: fixed;
            right: 25px;
            bottom: 25px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(11, 9, 26, 0.9);
            border: 1px solid var(--primary-neon);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
            color: var(--primary-neon);
            transition: all 0.3s;
            position: relative;
        }

        .float-btn:hover {
            background: var(--primary-neon);
            color: #0b091a;
            box-shadow: 0 0 20px var(--primary-neon);
            transform: translateY(-2px);
        }

        .float-qr-tooltip {
            position: absolute;
            right: 65px;
            bottom: 0;
            background: var(--bg-color);
            border: 1px solid var(--primary-neon);
            border-radius: 8px;
            padding: 15px;
            width: 150px;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
            display: none;
            text-align: center;
        }

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

        .float-qr-tooltip img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }

        .float-qr-tooltip span {
            font-size: 0.75rem;
            color: var(--text-main);
        }

        /* 友情链接与页脚 */
        footer {
            background: #06050e;
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-color);
        }

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

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-top: 15px;
            max-width: 400px;
        }

        .footer-links h4 {
            margin-bottom: 20px;
            font-size: 0.95rem;
            color: var(--text-main);
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
        }

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

        .footer-links ul li a {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .footer-links ul li a:hover {
            color: var(--primary-neon);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .friend-links-box {
            width: 100%;
            margin-bottom: 20px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 20px;
        }

        .friend-links-title {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .friend-links-container {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links-container a {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .friend-links-container a:hover {
            color: var(--primary-neon);
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .services-grid { grid-template-columns: repeat(2, 1fr); }
            .workflow-timeline { grid-template-columns: repeat(2, 1fr); }
            .training-grid { grid-template-columns: repeat(3, 1fr); }
        }

        @media (max-width: 768px) {
            html { font-size: 14px; }
            nav {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #0b091a;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 15px;
            }
            .mobile-menu-btn {
                display: block;
            }
            .about-grid, .solution-grid, .network-grid, .match-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid, .services-grid, .workflow-timeline, .training-grid, .help-grid, .news-grid, .comments-grid, .cases-grid {
                grid-template-columns: 1fr;
            }
            .hero-btns {
                flex-direction: column;
            }
            .solution-meta {
                flex-direction: column;
            }
            .solution-side-box {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }