:root {
            --bg-main: #f8fafc;
            --bg-card: #ffffff;
            --text-title: #0f172a;
            --text-body: #334155;
            --text-light: #64748b;
            --primary: #6366f1;
            --primary-gradient: linear-gradient(135deg, #818cf8, #c084fc, #f472b6);
            --laser-gradient: linear-gradient(135deg, #a78bfa, #f43f5e, #3b82f6);
            --border-color: #e2e8f0;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
            --shadow-lg: 0 10px 15px -3px rgba(99, 102, 241, 0.05), 0 4px 6px -2px rgba(0,0,0,0.02);
            --shadow-laser: 0 10px 30px -10px rgba(167, 139, 250, 0.2);
            --radius: 12px;
            --max-w: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-main);
            color: var(--text-body);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

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

        ul {
            list-style: none;
        }

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

        .section-padding {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-title h2 {
            font-size: 2rem;
            color: var(--text-title);
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: var(--laser-gradient);
            border-radius: 2px;
        }

        .section-title p {
            color: var(--text-light);
            font-size: 1rem;
        }

        /* 镭射风特效边框卡片 */
        .laser-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            z-index: 1;
            overflow: hidden;
        }

        .laser-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            border-radius: var(--radius);
            padding: 2px;
            background: var(--laser-gradient);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            opacity: 0;
            transition: opacity 0.3s ease;
            pointer-events: none;
        }

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

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

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
        }

        .btn-primary {
            background: var(--laser-gradient);
            color: #ffffff;
            box-shadow: 0 4px 15px rgba(244, 63, 94, 0.2);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(244, 63, 94, 0.3);
            filter: brightness(1.05);
        }

        .btn-secondary {
            background: var(--bg-card);
            color: var(--text-title);
            border: 1px solid var(--border-color);
        }

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

        /* 顶部导航 */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

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

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

        .ai-page-logo {
            height: 36px;
            width: auto;
        }

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

        .nav-list {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

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

        /* 首屏 Hero - 无图片设计，纯色彩几何与科技文字感 */
        .hero {
            padding: 100px 0 80px 0;
            background: radial-gradient(circle at 80% 20%, rgba(167, 139, 250, 0.08), transparent 40%),
                        radial-gradient(circle at 10% 80%, rgba(59, 130, 246, 0.06), transparent 40%),
                        var(--bg-main);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50px;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 200px;
            background: var(--primary-gradient);
            filter: blur(120px);
            opacity: 0.15;
            z-index: 0;
            border-radius: 50%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(99, 102, 241, 0.08);
            border: 1px solid rgba(99, 102, 241, 0.15);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }

        .hero-title {
            font-size: 2.8rem;
            line-height: 1.25;
            color: var(--text-title);
            font-weight: 800;
            max-width: 850px;
            margin: 0 auto 20px auto;
            letter-spacing: -0.5px;
        }

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

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 680px;
            margin: 0 auto 36px auto;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 48px;
            position: relative;
            z-index: 2;
        }

        /* 首页数据指标卡片 */
        .hero-metrics {
            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);
            border-radius: var(--radius);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .metric-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            background: var(--laser-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            margin-bottom: 8px;
        }

        .metric-card .label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }

        /* 关于我们 */
        .about-section {
            background: var(--bg-card);
            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: 48px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.75rem;
            color: var(--text-title);
            margin-bottom: 16px;
        }

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

        .about-highlights {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .highlight-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-title);
        }

        .highlight-item svg {
            color: var(--primary);
            flex-shrink: 0;
        }

        .about-image-wrap {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

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

        /* 全平台 AIGC 服务体系 */
        .service-system-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            border: 1px solid var(--border-color);
        }

        .service-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(99, 102, 241, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.25rem;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 16px;
        }

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

        .service-feature-tag {
            font-size: 0.75rem;
            padding: 4px 8px;
            background: #f1f5f9;
            color: var(--text-body);
            border-radius: 4px;
        }

        /* 平台支持标签云 */
        .model-cloud-section {
            margin-top: 40px;
            background: rgba(255,255,255,0.6);
            border: 1px dashed var(--border-color);
            border-radius: var(--radius);
            padding: 30px;
            text-align: center;
        }

        .model-cloud-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 20px;
        }

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

        .model-tag {
            font-size: 0.85rem;
            padding: 6px 12px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            color: var(--text-body);
            transition: all 0.3s ease;
        }

        .model-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        /* 全自动 AIGC 制作流程 */
        .flow-section {
            background: #ffffff;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .flow-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .flow-step {
            position: relative;
            padding-top: 20px;
        }

        .flow-step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--laser-gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin-bottom: 16px;
            box-shadow: 0 4px 10px rgba(99, 102, 241, 0.2);
        }

        .flow-step h4 {
            font-size: 1.1rem;
            color: var(--text-title);
            margin-bottom: 8px;
        }

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

        /* 全行业解决方案 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .solution-card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            color: var(--text-title);
        }

        .solution-card p {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 16px;
        }

        .solution-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
        }

        /* 全国服务网络 */
        .network-section {
            background: #ffffff;
            border-bottom: 1px solid var(--border-color);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .network-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .network-item {
            background: var(--bg-main);
            padding: 16px;
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
        }

        .network-item h4 {
            color: var(--text-title);
            margin-bottom: 6px;
            font-size: 1rem;
        }

        .network-item p {
            font-size: 0.85rem;
            color: var(--text-light);
        }

        .network-visual {
            height: 300px;
            background: radial-gradient(circle at center, rgba(99,102,241,0.06) 0%, transparent 70%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .map-dot {
            position: absolute;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0% { transform: scale(1); opacity: 1; }
            100% { transform: scale(3); opacity: 0; }
        }

        /* 标准化服务全流程 与 技术标准 */
        .standard-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
        }

        .standard-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .standard-item {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            padding: 16px;
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
        }

        .standard-item-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(167, 139, 250, 0.1);
            color: #a78bfa;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.8rem;
            font-weight: bold;
        }

        .standard-item-content h4 {
            color: var(--text-title);
            margin-bottom: 4px;
            font-size: 1rem;
        }

        .standard-item-content p {
            font-size: 0.85rem;
            color: var(--text-light);
        }

        /* 客户案例中心 */
        .case-section {
            background: #ffffff;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            overflow: hidden;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-color);
            padding: 0;
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #f1f5f9;
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .case-info {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .case-info h4 {
            font-size: 1.15rem;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .case-info p {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 12px;
        }

        .case-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .case-tag {
            font-size: 0.75rem;
            padding: 2px 8px;
            background: var(--bg-main);
            color: var(--text-body);
            border-radius: 4px;
            border: 1px solid var(--border-color);
        }

        /* 对比评测 - 9.9分 + 五星 */
        .review-section {
            background: linear-gradient(180deg, var(--bg-main) 0%, rgba(167, 139, 250, 0.03) 100%);
        }

        .review-widget {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            padding: 40px;
            box-shadow: var(--shadow-lg);
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 48px;
            align-items: center;
        }

        .score-box {
            text-align: center;
            border-right: 1px solid var(--border-color);
            padding-right: 24px;
        }

        .score-box h3 {
            font-size: 1.2rem;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .score-num {
            font-size: 5rem;
            font-weight: 900;
            background: var(--laser-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            margin-bottom: 10px;
        }

        .rating-stars {
            color: #fbbf24;
            font-size: 1.5rem;
            margin-bottom: 8px;
        }

        .recommend-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(244, 63, 94, 0.1);
            color: #f43f5e;
            border-radius: 20px;
            font-weight: bold;
            font-size: 0.85rem;
        }

        .comparison-table-wrapper {
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 500px;
        }

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

        .comparison-table th {
            color: var(--text-title);
            font-weight: 600;
        }

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

        .status-yes {
            color: #10b981;
            font-weight: bold;
        }

        .status-no {
            color: #ef4444;
        }

        /* 智能需求匹配 */
        .pain-points {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .pain-card {
            border-top: 4px solid var(--primary);
        }

        .pain-card.laser-style {
            border-top: 4px solid #f43f5e;
        }

        .pain-card h4 {
            color: var(--text-title);
            margin-bottom: 10px;
            font-size: 1.1rem;
        }

        /* Token 比价参考 */
        .pricing-section {
            background: #ffffff;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .price-card {
            text-align: center;
        }

        .price-card.popular {
            border: 2px solid var(--primary);
            transform: scale(1.03);
        }

        .price-card.popular::before {
            opacity: 1;
        }

        .price-card h3 {
            font-size: 1.25rem;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .price-val {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-title);
            margin: 15px 0;
        }

        .price-val span {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 400;
        }

        .price-list {
            margin-bottom: 24px;
            text-align: left;
            display: inline-block;
        }

        .price-list li {
            font-size: 0.9rem;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 职业技术培训 & 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .training-card {
            text-align: center;
            padding: 20px 12px;
        }

        .training-card h4 {
            font-size: 1rem;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .training-card p {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        /* 帮助中心 & FAQ & 自助排查 & 百科 */
        .help-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-question {
            padding: 16px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-title);
            user-select: none;
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s cubic-bezier(0, 1, 0, 1);
            color: var(--text-body);
            font-size: 0.9rem;
            border-top: 0px solid transparent;
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-item.active .faq-answer {
            padding: 16px 20px;
            max-height: 500px;
            border-top: 1px solid var(--border-color);
            transition: all 0.3s cubic-bezier(1, 0, 1, 0);
        }

        .faq-icon {
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        .troubleshoot-box {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 24px;
            margin-bottom: 24px;
        }

        .troubleshoot-box h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            color: var(--text-title);
        }

        .troubleshoot-steps {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .troubleshoot-step {
            display: flex;
            gap: 8px;
            font-size: 0.85rem;
        }

        .troubleshoot-step span {
            color: var(--primary);
            font-weight: bold;
        }

        .wiki-box {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 24px;
        }

        .wiki-box h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            color: var(--text-title);
        }

        .wiki-terms {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .wiki-term dt {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-title);
        }

        .wiki-term dd {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-left: 0;
            margin-top: 4px;
        }

        /* 客户评论卡片 (6条) */
        .comments-section {
            background: #ffffff;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .comment-card {
            background: var(--bg-main);
        }

        .comment-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .avatar-placeholder {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--laser-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-weight: bold;
            font-size: 0.9rem;
        }

        .comment-user-info h4 {
            font-size: 0.95rem;
            color: var(--text-title);
        }

        .comment-user-info p {
            font-size: 0.75rem;
            color: var(--text-light);
        }

        .comment-content {
            font-size: 0.85rem;
            color: var(--text-body);
        }

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

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .news-list-block {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 16px;
            border-radius: var(--radius);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .news-item h4 {
            font-size: 1rem;
            color: var(--text-title);
        }

        .news-item .date {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        .news-link {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 联系我们 & 表单 */
        .contact-section {
            background: #ffffff;
            border-top: 1px solid var(--border-color);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-info-header h3 {
            font-size: 1.75rem;
            color: var(--text-title);
            margin-bottom: 12px;
        }

        .contact-info-header p {
            color: var(--text-light);
            margin-bottom: 24px;
        }

        .contact-channels {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 30px;
        }

        .channel-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .channel-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(99, 102, 241, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .channel-details h5 {
            font-size: 0.85rem;
            color: var(--text-light);
        }

        .channel-details p {
            font-size: 0.95rem;
            color: var(--text-title);
            font-weight: 600;
        }

        .qr-codes {
            display: flex;
            gap: 24px;
        }

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

        .qr-item img {
            width: 100px;
            height: 100px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 4px;
            margin-bottom: 6px;
        }

        .qr-item p {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        .form-card {
            background: var(--bg-main);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 30px;
        }

        .form-card h3 {
            margin-bottom: 20px;
            color: var(--text-title);
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .form-label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 6px;
        }

        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: #ffffff;
            font-family: inherit;
            font-size: 0.9rem;
            color: var(--text-body);
            transition: all 0.3s ease;
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
        }

        .form-textarea {
            height: 100px;
            resize: vertical;
        }

        /* 友情链接与底部导航 */
        .footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px 0;
            border-top: 1px solid #1e293b;
        }

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

        .footer-brand h4 {
            color: #ffffff;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.6;
        }

        .footer-links h4 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 16px;
        }

        .footer-links ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 0.85rem;
            color: #94a3b8;
        }

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

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

        .friend-links a {
            font-size: 0.85rem;
            color: #94a3b8;
            background: #1e293b;
            padding: 4px 10px;
            border-radius: 4px;
        }

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

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
        }

        /* 侧边浮动 */
        .float-aside {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #ffffff;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid var(--border-color);
            position: relative;
        }

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

        .float-qr {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #ffffff;
            padding: 12px;
            border-radius: 8px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
            opacity: 0;
            pointer-events: none;
            transition: all 0.3s ease;
            text-align: center;
            width: 120px;
        }

        .float-qr img {
            width: 100px;
            height: 100px;
        }

        .float-qr p {
            font-size: 0.75rem;
            color: var(--text-title);
            margin-top: 4px;
        }

        .float-btn:hover .float-qr {
            opacity: 1;
            pointer-events: auto;
            transform: translateX(-5px);
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .hero-title { font-size: 2.3rem; }
            .hero-metrics { grid-template-columns: repeat(2, 1fr); }
            .service-system-grid { grid-template-columns: repeat(2, 1fr); }
            .flow-timeline { grid-template-columns: repeat(2, 1fr); }
            .solution-grid { grid-template-columns: repeat(2, 1fr); }
            .case-grid { grid-template-columns: repeat(2, 1fr); }
            .comments-grid { grid-template-columns: repeat(2, 1fr); }
            .training-grid { grid-template-columns: repeat(3, 1fr); }
        }

        @media (max-width: 768px) {
            .nav-list {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
            }

            .nav-list.active {
                display: flex;
            }

            .mobile-menu-btn {
                display: block;
            }

            .about-grid { grid-template-columns: 1fr; }
            .network-grid { grid-template-columns: 1fr; }
            .standard-grid { grid-template-columns: 1fr; }
            .review-widget { grid-template-columns: 1fr; }
            .score-box { border-right: none; border-bottom: 1px solid var(--border-color); padding-bottom: 24px; padding-right: 0; }
            .help-grid { grid-template-columns: 1fr; }
            .news-layout { grid-template-columns: 1fr; }
            .contact-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }

            .hero-title { font-size: 1.8rem; }
            .hero-desc { font-size: 1rem; }
            .section-title h2 { font-size: 1.6rem; }
        }

        @media (max-width: 580px) {
            .hero-metrics { grid-template-columns: 1fr; }
            .service-system-grid { grid-template-columns: 1fr; }
            .flow-timeline { grid-template-columns: 1fr; }
            .solution-grid { grid-template-columns: 1fr; }
            .case-grid { grid-template-columns: 1fr; }
            .comments-grid { grid-template-columns: 1fr; }
            .training-grid { grid-template-columns: repeat(2, 1fr); }
            .pain-points { grid-template-columns: 1fr; }
            .price-grid { grid-template-columns: 1fr; }
            .form-row { grid-template-columns: 1fr; }
        }