:root {
            --primary: #00f0ff;      /* 荧光蓝 */
            --secondary: #39ff14;    /* 荧光绿 */
            --accent: #d946ef;       /* 荧光紫 */
            --dark: #0f172a;         /* 深灰色文字 */
            --dark-muted: #475569;   /* 次级文字 */
            --light-bg: #f8fafc;     /* 主底色 */
            --card-bg: #ffffff;      /* 卡片白色 */
            --border-color: #e2e8f0; /* 边框色 */
            --neon-glow: 0 0 15px rgba(0, 240, 255, 0.25);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 重置与基本样式 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: var(--light-bg);
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            outline: none;
        }

        /* 全局排版容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: var(--transition);
        }
        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .ai-page-logo {
            height: 40px;
            width: auto;
        }
        .brand-text {
            font-weight: 800;
            font-size: 20px;
            background: linear-gradient(135deg, var(--dark) 30%, #00f0ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-menu {
            display: flex;
            gap: 24px;
            align-items: center;
        }
        .nav-item {
            font-size: 14px;
            font-weight: 500;
            color: var(--dark-muted);
        }
        .nav-item:hover {
            color: var(--dark);
            text-shadow: 0 0 8px rgba(0, 240, 255, 0.4);
        }
        .nav-btn {
            background: linear-gradient(135deg, #00f0ff, #39ff14);
            border: none;
            padding: 8px 18px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 14px;
            color: var(--dark);
            box-shadow: var(--neon-glow);
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(57, 255, 20, 0.4);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--dark);
            margin: 5px 0;
            transition: var(--transition);
        }

        /* 移动端菜单激活样式 */
        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(-45deg) translate(-5px, 6px);
        }
        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(45deg) translate(-5px, -6px);
        }

        /* 首页 Hero 首屏（无图片，荧光科技感，渐变几何） */
        .hero-section {
            padding: 160px 0 100px 0;
            background: radial-gradient(circle at 10% 20%, rgba(0, 240, 255, 0.05) 0%, rgba(57, 255, 20, 0.03) 90.1%), var(--light-bg);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }
        .hero-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0,240,255,0.15) 0%, rgba(255,255,255,0) 70%);
            top: -10%;
            right: -5%;
            z-index: 1;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(57,255,14,0.1) 0%, rgba(255,255,255,0) 70%);
            bottom: -10%;
            left: -5%;
            z-index: 1;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: #0284c7;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .hero-title {
            font-size: 40px;
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--dark);
        }
        .hero-title span {
            background: linear-gradient(135deg, #0ea5e9, #10b981);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-subtitle {
            font-size: 18px;
            color: var(--dark-muted);
            margin-bottom: 30px;
            max-width: 580px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            margin-bottom: 40px;
        }
        .btn-primary {
            background: linear-gradient(135deg, #00f0ff, #39ff14);
            color: var(--dark);
            font-weight: 700;
            padding: 14px 28px;
            border-radius: 8px;
            box-shadow: var(--neon-glow);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(57, 255, 20, 0.5);
        }
        .btn-secondary {
            background: transparent;
            color: var(--dark);
            font-weight: 600;
            padding: 14px 28px;
            border-radius: 8px;
            border: 1px solid rgba(15, 23, 42, 0.15);
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(15, 23, 42, 0.05);
            border-color: rgba(15, 23, 42, 0.3);
        }
        
        /* 首页数据指标卡片 */
        .hero-stats {
            background: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 10px 30px -10px rgba(0, 240, 255, 0.15);
        }
        .stat-item {
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
        }
        .stat-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .stat-item:first-child {
            padding-top: 0;
        }
        .stat-val {
            font-size: 28px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.2;
            background: linear-gradient(135deg, #0f172a, #0ea5e9);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .stat-lbl {
            font-size: 13px;
            color: var(--dark-muted);
            margin-top: 4px;
        }

        /* 通用区块样式 */
        .section-padding {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px auto;
        }
        .section-tag {
            color: #0ea5e9;
            font-weight: 700;
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
            display: inline-block;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--dark-muted);
        }

        /* 关于我们与软件介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .about-text p {
            margin-bottom: 18px;
            color: var(--dark-muted);
            font-size: 15px;
        }
        .about-highlight {
            border-left: 4px solid var(--primary);
            padding-left: 16px;
            margin: 24px 0;
            font-style: italic;
            color: var(--dark);
            font-weight: 500;
        }
        .platform-features-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .p-feature-card {
            background: var(--card-bg);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .p-feature-card:hover {
            transform: translateY(-3px);
            border-color: rgba(57, 255, 20, 0.4);
            box-shadow: 0 10px 20px -10px rgba(57, 255, 20, 0.15);
        }
        .p-feature-title {
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--dark);
        }
        .p-feature-desc {
            font-size: 13px;
            color: var(--dark-muted);
        }

        /* 服务体系与场景标签云 */
        .services-wrapper {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
        }
        .scene-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }
        .scene-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
            transition: var(--transition);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }
        .scene-card:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 15px 30px -10px rgba(0, 240, 255, 0.2);
        }
        .scene-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px auto;
            background: rgba(0, 240, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0ea5e9;
            font-weight: 800;
        }
        .scene-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .scene-card p {
            font-size: 13px;
            color: var(--dark-muted);
        }
        .platforms-tagcloud {
            margin-top: 40px;
            padding: 30px;
            background: rgba(255, 255, 255, 0.6);
            border-radius: 16px;
            border: 1px solid var(--border-color);
            text-align: center;
        }
        .tagcloud-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--dark-muted);
        }
        .tags-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }
        .tag-item {
            font-size: 12px;
            padding: 6px 14px;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            color: var(--dark);
            font-weight: 500;
            transition: var(--transition);
        }
        .tag-item:hover {
            border-color: var(--primary);
            color: #0ea5e9;
            box-shadow: 0 0 10px rgba(0,240,255,0.2);
        }

        /* 全自动制作流程 & 标准化流程 (时间线样式) */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            width: 2px;
            background: var(--border-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -1px;
        }
        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }
        .timeline-item::after {
            content: '';
            position: absolute;
            width: 16px;
            height: 16px;
            right: -8px;
            background-color: #ffffff;
            border: 4px solid var(--primary);
            border-radius: 50%;
            top: 15px;
            z-index: 1;
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.6);
        }
        .left-item {
            left: 0;
            text-align: right;
        }
        .right-item {
            left: 50%;
            text-align: left;
        }
        .right-item::after {
            left: -8px;
        }
        .timeline-content {
            padding: 20px;
            background: var(--card-bg);
            position: relative;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
        }
        .timeline-content h3 {
            font-size: 17px;
            margin-bottom: 8px;
            color: var(--dark);
        }
        .timeline-content p {
            font-size: 13px;
            color: var(--dark-muted);
        }

        /* 全行业解决方案 & 服务网络 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .solution-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            transition: var(--transition);
        }
        .solution-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: 0 15px 30px -10px rgba(217, 70, 239, 0.15);
        }
        .solution-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .solution-list {
            list-style: none;
            margin-top: 16px;
        }
        .solution-list li {
            font-size: 13px;
            color: var(--dark-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .solution-list li::before {
            content: "✓";
            color: var(--secondary);
            font-weight: bold;
        }

        .network-section {
            background: radial-gradient(circle at 90% 10%, rgba(57, 255, 20, 0.05) 0%, rgba(255,255,255,0) 60%), var(--light-bg);
        }
        .network-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .network-map-placeholder {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
            min-height: 250px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }
        .network-tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
            justify-content: center;
        }
        .network-tag {
            font-size: 11px;
            background: rgba(0, 240, 255, 0.05);
            color: #0284c7;
            border: 1px solid rgba(0, 240, 255, 0.2);
            padding: 4px 10px;
            border-radius: 4px;
        }

        /* 技术标准 */
        .standards-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }
        .standard-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
        }
        .standard-num {
            font-size: 32px;
            font-weight: 800;
            color: rgba(0, 240, 255, 0.25);
            line-height: 1;
            margin-bottom: 12px;
        }

        /* 客户案例中心 (包含真实图库规范，避免图片拉伸) */
        .cases-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .case-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 15px 30px -10px rgba(0,0,0,0.1);
        }
        .case-image-container {
            width: 100%;
            height: 240px;
            overflow: hidden;
            background: #e2e8f0;
            position: relative;
        }
        .case-image-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-content {
            padding: 24px;
        }
        .case-badge {
            font-size: 11px;
            background: rgba(217, 70, 239, 0.08);
            border: 1px solid rgba(217, 70, 239, 0.3);
            color: #c026d3;
            padding: 2px 8px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 12px;
        }
        .case-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }
        .case-desc {
            font-size: 13px;
            color: var(--dark-muted);
        }

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            background: var(--card-bg);
            box-shadow: 0 4px 20px -5px rgba(0,0,0,0.05);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }
        .comparison-table th, .comparison-table td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }
        .comparison-table th {
            background-color: rgba(248, 250, 252, 0.8);
            font-weight: 700;
            color: var(--dark);
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .comparison-table td strong {
            color: #0ea5e9;
        }
        .comp-score-card {
            background: linear-gradient(135deg, rgba(0,240,255,0.05) 0%, rgba(57,255,14,0.05) 100%);
            border: 1px solid rgba(0,240,255,0.25);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .comp-stars {
            font-size: 24px;
            color: #fbbf24;
            margin-bottom: 8px;
        }
        .comp-score-val {
            font-size: 48px;
            font-weight: 900;
            line-height: 1.1;
            color: var(--dark);
        }
        .comp-score-lbl {
            font-size: 13px;
            color: var(--dark-muted);
            margin-top: 4px;
        }

        /* 需求匹配与表单 */
        .match-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .match-info-card {
            background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
        }
        .match-list-item {
            margin-bottom: 20px;
        }
        .match-list-title {
            font-weight: 700;
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 6px;
        }
        .match-list-desc {
            font-size: 13px;
            color: var(--dark-muted);
        }
        .form-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
            position: relative;
        }
        .form-card::after {
            content: '';
            position: absolute;
            top: -2px; left: -2px; right: -2px; bottom: -2px;
            background: linear-gradient(135deg, #00f0ff, #39ff14, #d946ef);
            z-index: -1;
            border-radius: 18px;
            opacity: 0.15;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            background-color: #f8fafc;
            color: var(--dark);
            transition: var(--transition);
        }
        .form-control:focus {
            background-color: #ffffff;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15);
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .form-btn {
            width: 100%;
            background: linear-gradient(135deg, #00f0ff, #39ff14);
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 15px;
            color: var(--dark);
            cursor: pointer;
            box-shadow: var(--neon-glow);
            transition: var(--transition);
        }
        .form-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 20px rgba(57, 255, 20, 0.4);
        }

        /* Token 比价 */
        .token-price-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }
        .token-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
        }
        .token-model-name {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .token-price-val {
            font-size: 24px;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 6px;
            text-shadow: 0 0 5px rgba(57, 255, 20, 0.1);
        }
        .token-price-lbl {
            font-size: 11px;
            color: var(--dark-muted);
        }

        /* 培训中心 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }
        .training-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            transition: var(--transition);
        }
        .training-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: 0 10px 20px rgba(0, 240, 255, 0.1);
        }
        .training-tag {
            font-size: 11px;
            background: rgba(0, 240, 255, 0.08);
            color: #0284c7;
            padding: 2px 8px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 12px;
        }
        .training-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .training-desc {
            font-size: 12px;
            color: var(--dark-muted);
        }

        /* 帮助中心，百科与自助排查 */
        .help-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .help-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
        }
        .help-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            border-bottom: 2px solid var(--light-bg);
            padding-bottom: 8px;
        }
        .help-item {
            margin-bottom: 14px;
        }
        .help-item-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .help-item-title::before {
            content: "◆";
            color: var(--primary);
            font-size: 10px;
        }
        .help-item-desc {
            font-size: 12px;
            color: var(--dark-muted);
            padding-left: 14px;
        }

        /* FAQ 折叠面板 */
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-trigger {
            width: 100%;
            padding: 20px 24px;
            text-align: left;
            background: none;
            border: none;
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }
        .faq-trigger::after {
            content: '+';
            font-size: 20px;
            color: var(--dark-muted);
            transition: var(--transition);
        }
        .faq-item.active .faq-trigger::after {
            content: '-';
            transform: rotate(180deg);
        }
        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: rgba(248, 250, 252, 0.5);
        }
        .faq-content-inner {
            padding: 0 24px 20px 24px;
            font-size: 13px;
            color: var(--dark-muted);
            line-height: 1.6;
        }

        /* 用户评论卡片 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .review-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.02);
        }
        .review-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .review-avatar-placeholder {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            color: #0284c7;
            font-weight: 700;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .review-user-info h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
        }
        .review-user-info p {
            font-size: 11px;
            color: var(--dark-muted);
        }
        .review-rating {
            color: #fbbf24;
            font-size: 12px;
            margin-bottom: 12px;
        }
        .review-text {
            font-size: 13px;
            color: var(--dark-muted);
            line-height: 1.5;
        }

        /* 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition);
        }
        .news-card:hover {
            border-color: var(--primary);
            box-shadow: var(--neon-glow);
        }
        .news-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 16px;
        }
        .news-link {
            font-size: 12px;
            color: #0ea5e9;
            font-weight: 600;
            align-self: flex-start;
            border-bottom: 1px solid transparent;
        }
        .news-link:hover {
            border-color: #0ea5e9;
        }

        /* 侧边浮动客服 */
        .floating-kefu {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #ffffff;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }
        .float-btn:hover {
            background: linear-gradient(135deg, #00f0ff, #39ff14);
            transform: translateY(-2px);
            box-shadow: var(--neon-glow);
        }
        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: var(--dark);
        }
        .float-qrcode-pop {
            display: none;
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 16px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            width: 200px;
            text-align: center;
        }
        .float-qrcode-pop img {
            width: 100%;
            margin-bottom: 8px;
        }
        .float-qrcode-pop p {
            font-size: 11px;
            color: var(--dark-muted);
        }
        .float-btn:hover .float-qrcode-pop {
            display: block;
        }

        /* 页脚区域 */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px 0;
            border-top: 1px solid rgba(255,255,255,0.05);
            font-size: 13px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h4 {
            color: #ffffff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-brand p {
            margin-bottom: 12px;
            line-height: 1.6;
        }
        .footer-links h5 {
            color: #ffffff;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links ul li {
            margin-bottom: 8px;
        }
        .footer-links ul li a:hover {
            color: #00f0ff;
        }
        .footer-contact h5 {
            color: #ffffff;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-kefu-area {
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .footer-kefu-qr {
            width: 80px;
            height: 80px;
            background: #ffffff;
            padding: 4px;
            border-radius: 4px;
        }
        .footer-kefu-qr img {
            width: 100%;
            height: 100%;
        }
        .footer-kefu-info {
            font-size: 12px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-friend-links a {
            color: #64748b;
        }
        .footer-friend-links a:hover {
            color: #00f0ff;
        }

        /* 移动端响应式适配 */
        @media (max-width: 1024px) {
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background-color: #ffffff;
                flex-direction: column;
                padding: 24px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 15px -3px rgba(0,0,0,0.05);
                gap: 16px;
            }
            .nav-menu.active {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .about-grid {
                grid-template-columns: 1fr;
            }
            .network-grid {
                grid-template-columns: 1fr;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 45px;
                padding-right: 0;
                text-align: left;
            }
            .left-item {
                left: 0;
            }
            .right-item {
                left: 0;
            }
            .timeline-item::after {
                left: 12px;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .match-grid {
                grid-template-columns: 1fr;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .help-grid {
                grid-template-columns: 1fr;
            }
        }