/* 根变量定义 - 暗夜赛博高饱和粉紫风 */
        :root {
            --bg-color: #0b0716;
            --panel-bg: #130d24;
            --panel-border: #281d45;
            --primary-pink: #ff007f;
            --primary-purple: #8a2be2;
            --accent-cyan: #00f0ff;
            --text-light: #ffffff;
            --text-muted: #a097bb;
            --text-dark: #0b0716;
            --glow-pink: 0 0 15px rgba(255, 0, 127, 0.6);
            --glow-cyan: 0 0 15px rgba(0, 240, 255, 0.6);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        /* 基础样式复位 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            scroll-behavior: smooth;
        }

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

        /* 外层居中容器 */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

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

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

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(11, 7, 22, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid var(--panel-border);
        }

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

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

        .logo-area img {
            max-height: 40px;
            width: auto;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(45deg, var(--primary-pink), var(--primary-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }

        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
            align-items: center;
        }

        .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            position: relative;
            padding: 5px 0;
        }

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

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-pink);
            transition: var(--transition);
        }

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

        .nav-btn {
            background: linear-gradient(90deg, var(--primary-pink), var(--primary-purple));
            color: var(--text-light) !important;
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: bold;
            box-shadow: var(--glow-pink);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.8);
        }

        /* 移动端菜单开关 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
        }

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

        /* 首屏 Hero 区域 - 无图，赛博风视觉 */
        .hero-section {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 50% 30%, rgba(138, 43, 226, 0.15) 0%, transparent 60%);
            text-align: center;
            border-bottom: 1px solid var(--panel-border);
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 0, 127, 0.1);
            border: 1px solid var(--primary-pink);
            border-radius: 30px;
            color: var(--primary-pink);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 25px;
            letter-spacing: 1px;
            box-shadow: var(--glow-pink);
        }

        .hero-title {
            font-size: 3rem;
            line-height: 1.2;
            font-weight: 900;
            margin-bottom: 25px;
            background: linear-gradient(135deg, var(--text-light) 30%, #e0d5ff 70%, var(--primary-pink) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 30px rgba(138, 43, 226, 0.3);
        }

        .hero-desc {
            max-width: 800px;
            margin: 0 auto 40px;
            font-size: 1.15rem;
            color: var(--text-muted);
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(90deg, var(--primary-pink), var(--primary-purple));
            color: var(--text-light);
            font-weight: bold;
            padding: 15px 35px;
            border-radius: 30px;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            box-shadow: var(--glow-pink);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 25px rgba(255, 0, 127, 0.9);
        }

        .btn-secondary {
            background: transparent;
            color: var(--accent-cyan);
            font-weight: bold;
            padding: 15px 35px;
            border-radius: 30px;
            font-size: 1rem;
            border: 2px solid var(--accent-cyan);
            cursor: pointer;
            transition: var(--transition);
            box-shadow: inset 0 0 10px rgba(0, 240, 255, 0.1);
        }

        .btn-secondary:hover {
            background: rgba(0, 240, 255, 0.1);
            transform: translateY(-3px);
            box-shadow: var(--glow-cyan);
        }

        /* 核心卖点简讯栏 */
        .hero-highlights {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 60px;
            flex-wrap: wrap;
        }

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

        .highlight-icon {
            color: var(--accent-cyan);
            font-weight: bold;
        }

        /* 公共板块样式 */
        section {
            padding: 100px 0;
            border-bottom: 1px solid var(--panel-border);
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 15px;
            background: linear-gradient(90deg, var(--text-light), var(--text-muted));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--primary-pink);
            text-transform: uppercase;
            letter-spacing: 2px;
            font-weight: 600;
        }

        /* 数据指标卡片 (About/Stats) */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .stat-card {
            background: var(--panel-bg);
            border: 1px solid var(--panel-border);
            padding: 30px 20px;
            border-radius: 15px;
            text-align: center;
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-pink);
            box-shadow: var(--glow-pink);
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--accent-cyan);
            margin-bottom: 10px;
            text-shadow: var(--glow-cyan);
        }

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

        /* 关于我们 & 平台介绍 */
        .about-content {
            display: flex;
            gap: 50px;
            align-items: center;
        }

        .about-text {
            flex: 1;
        }

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

        .about-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 30px;
        }

        .about-feat-item {
            background: rgba(255, 255, 255, 0.02);
            padding: 15px;
            border-radius: 10px;
            border-left: 3px solid var(--primary-purple);
            font-size: 0.95rem;
        }

        /* 服务能力卡片 (30+模型聚合展示) */
        .services-desc {
            text-align: center;
            max-width: 800px;
            margin: -40px auto 40px;
            color: var(--text-muted);
        }

        .model-tags-container {
            background: var(--panel-bg);
            border: 1px solid var(--panel-border);
            padding: 30px;
            border-radius: 20px;
            margin-bottom: 50px;
        }

        .model-tag-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--accent-cyan);
            text-align: center;
        }

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

        .model-tag {
            background: rgba(138, 43, 226, 0.1);
            border: 1px solid var(--panel-border);
            color: var(--text-light);
            padding: 6px 15px;
            border-radius: 20px;
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .model-tag:hover {
            border-color: var(--primary-pink);
            background: rgba(255, 0, 127, 0.15);
            transform: scale(1.05);
        }

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

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

        .service-card:hover {
            transform: translateY(-8px);
            border-color: var(--accent-cyan);
            box-shadow: var(--glow-cyan);
        }

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--primary-pink);
        }

        .service-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--text-light);
        }

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

        /* 一站式AIGC制作 (主打场景) */
        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .scene-card {
            background: linear-gradient(145deg, var(--panel-bg) 0%, rgba(20, 15, 38, 0.8) 100%);
            border: 1px solid var(--panel-border);
            border-radius: 20px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition);
        }

        .scene-card:hover {
            border-color: var(--primary-pink);
            box-shadow: 0 10px 30px rgba(255, 0, 127, 0.1);
        }

        .scene-badge {
            align-self: flex-start;
            padding: 4px 12px;
            background: var(--primary-purple);
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: bold;
            margin-bottom: 20px;
        }

        .scene-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--text-light);
        }

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

        .scene-features {
            list-style: none;
            margin-bottom: 25px;
        }

        .scene-features li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--text-light);
        }

        .scene-features li::before {
            content: "✦";
            position: absolute;
            left: 0;
            color: var(--accent-cyan);
        }

        /* 全行业解决方案 */
        .solutions-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .solution-box {
            background: var(--panel-bg);
            border: 1px solid var(--panel-border);
            border-radius: 15px;
            padding: 30px;
            transition: var(--transition);
        }

        .solution-box:hover {
            transform: translateY(-5px);
            border-color: var(--primary-purple);
        }

        .solution-tag {
            color: var(--accent-cyan);
            font-size: 0.85rem;
            font-weight: bold;
            text-transform: uppercase;
            margin-bottom: 15px;
            display: inline-block;
        }

        .solution-box h3 {
            font-size: 1.25rem;
            margin-bottom: 15px;
        }

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

        /* 全国服务网络 & 流程步骤 */
        .workflow-timeline {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 50px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .workflow-timeline::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--panel-border);
            z-index: 1;
        }

        .workflow-step {
            flex: 1;
            min-width: 200px;
            background: var(--bg-color);
            z-index: 2;
            padding: 20px;
            text-align: center;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: var(--panel-bg);
            border: 2px solid var(--primary-pink);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-weight: bold;
            color: var(--primary-pink);
            box-shadow: var(--glow-pink);
        }

        .workflow-step h3 {
            font-size: 1.1rem;
            margin-bottom: 10px;
        }

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

        /* 技术标准 & 全国服务网络文本区 */
        .network-and-standards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .info-panel {
            background: var(--panel-bg);
            border: 1px solid var(--panel-border);
            border-radius: 20px;
            padding: 40px;
        }

        .info-panel h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: var(--text-light);
            border-left: 4px solid var(--primary-pink);
            padding-left: 15px;
        }

        .info-panel ul {
            list-style: none;
        }

        .info-panel ul li {
            margin-bottom: 12px;
            font-size: 0.95rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .info-panel ul li::before {
            content: "✓";
            color: var(--accent-cyan);
            font-weight: bold;
        }

        /* 案例展示中心 (含宣传图) */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 50px;
        }

        .case-card {
            background: var(--panel-bg);
            border: 1px solid var(--panel-border);
            border-radius: 15px;
            overflow: hidden;
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-purple);
        }

        .case-img-wrapper {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #1c1533;
        }

        .case-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .case-info {
            padding: 25px;
        }

        .case-category {
            color: var(--primary-pink);
            font-size: 0.8rem;
            font-weight: bold;
            margin-bottom: 10px;
            display: inline-block;
        }

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

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

        /* 补充特定方版图片与横版展示区 */
        .asset-showcase {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
            margin-top: 50px;
        }

        .horizontal-assets {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .asset-item-h {
            position: relative;
            border-radius: 15px;
            overflow: hidden;
            border: 1px solid var(--panel-border);
            aspect-ratio: 2.35/1;
        }

        .asset-item-h img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .asset-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 20px;
            background: linear-gradient(transparent, rgba(11, 7, 22, 0.95));
        }

        .square-asset {
            border: 1px solid var(--panel-border);
            border-radius: 15px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            background: var(--panel-bg);
        }

        .square-asset img {
            width: 100%;
            aspect-ratio: 1/1;
            object-fit: cover;
        }

        .square-asset-info {
            padding: 20px;
        }

        /* 对比评测板块 */
        .comparison-wrapper {
            background: linear-gradient(135deg, rgba(138, 43, 226, 0.1) 0%, rgba(255, 0, 127, 0.05) 100%);
            border: 1px solid var(--panel-border);
            border-radius: 24px;
            padding: 50px;
        }

        .rating-box {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 30px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .rating-stars {
            font-size: 2.2rem;
            color: #ffd700;
            text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
        }

        .rating-score {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--primary-pink);
            text-shadow: var(--glow-pink);
        }

        .rating-text {
            font-size: 1.1rem;
            color: var(--text-light);
        }

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

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

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--panel-border);
            font-size: 0.95rem;
        }

        .comparison-table th {
            background-color: rgba(255, 255, 255, 0.02);
            color: var(--text-light);
            font-weight: bold;
        }

        .comparison-table td strong {
            color: var(--accent-cyan);
        }

        .comparison-table tr:hover td {
            background-color: rgba(255, 255, 255, 0.01);
        }

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

        .price-card {
            background: var(--panel-bg);
            border: 1px solid var(--panel-border);
            border-radius: 20px;
            padding: 35px;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }

        .price-card.popular {
            border-color: var(--primary-pink);
            box-shadow: var(--glow-pink);
        }

        .price-card.popular::before {
            content: '首选特惠';
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--primary-pink);
            color: var(--text-light);
            font-size: 0.75rem;
            font-weight: bold;
            padding: 4px 10px;
            border-radius: 4px;
        }

        .price-card h3 {
            font-size: 1.25rem;
            margin-bottom: 15px;
        }

        .price-card .price {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            margin-bottom: 25px;
        }

        .price-card .price span {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: normal;
        }

        .price-features {
            list-style: none;
            margin-bottom: 30px;
            text-align: left;
        }

        .price-features li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 职业技术培训 & 人工智能培训 (工信部) */
        .training-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .training-info h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--primary-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .training-info p {
            color: var(--text-muted);
            margin-bottom: 25px;
            font-size: 1.05rem;
        }

        .certificate-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
        }

        .cert-card {
            background: var(--panel-bg);
            border: 1px solid var(--panel-border);
            padding: 20px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            gap: 15px;
            transition: var(--transition);
        }

        .cert-card:hover {
            border-color: var(--primary-pink);
            transform: translateX(5px);
        }

        .cert-icon {
            font-size: 1.8rem;
            color: var(--primary-pink);
        }

        .cert-name {
            font-weight: bold;
            font-size: 1rem;
        }

        .cert-authority {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 常见问题自助排查 & AI术语百科 */
        .trouble-glossary-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .trouble-box, .glossary-box {
            background: var(--panel-bg);
            border: 1px solid var(--panel-border);
            border-radius: 20px;
            padding: 35px;
        }

        .trouble-box h3, .glossary-box h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--accent-cyan);
            border-bottom: 1px solid var(--panel-border);
            padding-bottom: 15px;
        }

        .item-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .item-row dt {
            font-weight: bold;
            color: var(--text-light);
            margin-bottom: 5px;
            font-size: 0.95rem;
        }

        .item-row dd {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-inline-start: 0;
        }

        /* FAQ折叠面板 */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background: var(--panel-bg);
            border: 1px solid var(--panel-border);
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 20px 25px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: bold;
            transition: var(--transition);
        }

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

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

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 0.95rem;
            background: rgba(11, 7, 22, 0.5);
        }

        .faq-item.active .faq-content {
            padding: 20px 25px;
            border-top: 1px solid var(--panel-border);
            max-height: 500px; /* 足够容纳展开内容 */
        }

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

        /* 客户评论卡片 (6条评论) */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            background: var(--panel-bg);
            border: 1px solid var(--panel-border);
            padding: 30px;
            border-radius: 15px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition);
        }

        .review-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-pink);
        }

        .review-meta {
            margin-top: 20px;
            border-top: 1px solid var(--panel-border);
            padding-top: 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .reviewer-info h4 {
            font-size: 0.95rem;
            color: var(--text-light);
        }

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

        .review-text {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-style: italic;
        }

        /* 行业资讯 / 知识库 / 最新文章 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .article-card {
            background: var(--panel-bg);
            border: 1px solid var(--panel-border);
            border-radius: 10px;
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            height: 100%;
            transition: var(--transition);
        }

        .article-card:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-3px);
        }

        .article-card h4 {
            font-size: 0.95rem;
            line-height: 1.4;
            margin-bottom: 15px;
        }

        .article-card a {
            font-size: 0.8rem;
            color: var(--accent-cyan);
            font-weight: bold;
        }

        /* 联系我们 & 智能需求表单 & 加盟代理 */
        .contact-agent-section {
            background: radial-gradient(circle at 10% 90%, rgba(255, 0, 127, 0.08) 0%, transparent 55%);
        }

        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

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

        .contact-details {
            margin-bottom: 30px;
        }

        .contact-item {
            margin-bottom: 20px;
        }

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

        .contact-val {
            font-size: 1.1rem;
            font-weight: bold;
            color: var(--text-light);
        }

        .qrcode-box {
            display: flex;
            gap: 20px;
            align-items: center;
            background: var(--panel-bg);
            padding: 20px;
            border-radius: 15px;
            border: 1px solid var(--panel-border);
            margin-top: 30px;
        }

        .qrcode-img-container {
            width: 100px;
            height: 100px;
            background: #fff;
            padding: 5px;
            border-radius: 8px;
        }

        .qrcode-img-container img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .qrcode-desc h4 {
            margin-bottom: 5px;
        }

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

        .form-panel {
            background: var(--panel-bg);
            border: 1px solid var(--panel-border);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.5);
        }

        .form-panel h3 {
            font-size: 1.5rem;
            margin-bottom: 25px;
            color: var(--text-light);
        }

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

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

        .form-control {
            width: 100%;
            background: rgba(11, 7, 22, 0.6);
            border: 1px solid var(--panel-border);
            border-radius: 8px;
            padding: 12px 16px;
            color: var(--text-light);
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-pink);
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.2);
        }

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

        /* 代理加盟政策区 */
        .agent-policy-box {
            grid-column: span 2;
            background: linear-gradient(90deg, rgba(138, 43, 226, 0.15) 0%, rgba(255, 0, 127, 0.15) 100%);
            border: 1px solid var(--panel-border);
            border-radius: 20px;
            padding: 40px;
            margin-top: 50px;
            text-align: center;
        }

        .agent-policy-box h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
            color: var(--accent-cyan);
        }

        .agent-policy-box p {
            max-width: 800px;
            margin: 0 auto 25px;
            color: var(--text-muted);
        }

        /* 页脚 & 友情链接 */
        footer {
            background-color: #06040d;
            border-top: 1px solid var(--panel-border);
            padding: 60px 0 30px;
        }

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

        .footer-brand p {
            color: var(--text-muted);
            margin: 15px 0;
            font-size: 0.9rem;
        }

        .footer-brand .logo-text {
            font-size: 1.4rem;
        }

        .footer-links h4 {
            font-size: 1rem;
            margin-bottom: 20px;
            color: var(--text-light);
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links ul a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

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

        .friend-links-area {
            border-top: 1px solid var(--panel-border);
            padding-top: 30px;
            margin-top: 30px;
        }

        .friend-links-title {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

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

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

        .friend-links a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            border-top: 1px solid var(--panel-border);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 侧边浮动菜单 */
        .floating-menu {
            position: fixed;
            right: 25px;
            bottom: 40px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background-color: var(--panel-bg);
            border: 1px solid var(--panel-border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0,0,0,0.3);
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            background-color: var(--primary-pink);
            border-color: var(--primary-pink);
            box-shadow: var(--glow-pink);
            transform: translateY(-3px);
        }

        .float-btn svg {
            width: 20px;
            height: 20px;
            fill: var(--text-light);
        }

        /* 浮动二维码面板 */
        .float-qr-panel {
            position: absolute;
            right: 65px;
            bottom: 0;
            background: var(--panel-bg);
            border: 1px solid var(--panel-border);
            border-radius: 12px;
            padding: 15px;
            display: none;
            width: 150px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }

        .float-qr-panel img {
            width: 100%;
            height: auto;
            border-radius: 6px;
            background: #fff;
            padding: 2px;
        }

        .float-qr-panel p {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-top: 8px;
        }

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

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .services-grid, .solutions-container, .cases-grid, .reviews-grid, .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .articles-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-color);
                border-bottom: 1px solid var(--panel-border);
                flex-direction: column;
                padding: 20px;
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .stats-grid, .services-grid, .solutions-container, .cases-grid, .reviews-grid, .pricing-grid, .articles-grid {
                grid-template-columns: 1fr;
            }
            .about-content, .network-and-standards, .training-container, .trouble-glossary-grid, .contact-container, .asset-showcase {
                grid-template-columns: 1fr;
            }
            .agent-policy-box {
                grid-column: span 1;
            }
            .workflow-timeline::before {
                display: none;
            }
            .workflow-timeline {
                flex-direction: column;
                gap: 30px;
            }
        }