/* 基础变量定义 - 高亮度鲜活风 */
        :root {
            --primary: #0066ff;
            --primary-light: #e5f0ff;
            --secondary: #ff6b00;
            --success: #10b981;
            --gradient-primary: linear-gradient(135deg, #0066ff 0%, #00d4ff 100%);
            --gradient-warm: linear-gradient(135deg, #ff6b00 0%, #ffaa00 100%);
            --dark: #0f172a;
            --gray-light: #f8fafc;
            --gray-border: #e2e8f0;
            --white: #ffffff;
            --max-width: 1200px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 重置样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            -webkit-tap-highlight-color: transparent;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--white);
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        ul {
            list-style: none;
        }

        /* 统一页面容器 */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

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

        /* 导航栏样式 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--gray-border);
            z-index: 1000;
            transition: var(--transition);
        }

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

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

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

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--dark);
            padding: 5px 10px;
            border-radius: 6px;
        }

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

        .nav-btn {
            background: var(--gradient-primary);
            color: var(--white);
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            box-shadow: 0 4px 15px rgba(0, 102, 255, 0.2);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 102, 255, 0.3);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* 块级标题公共样式 */
        .section-title-wrapper {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 12px;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            border-radius: 50px;
            margin-bottom: 10px;
            letter-spacing: 1px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--dark);
        }

        /* 1. Hero 首页（首屏禁图） */
        .hero-section {
            padding: 140px 0 80px 0;
            background: radial-gradient(circle at 80% 20%, rgba(0, 102, 255, 0.08) 0%, rgba(255, 255, 255, 0) 50%),
                        radial-gradient(circle at 10% 80%, rgba(0, 212, 255, 0.05) 0%, rgba(255, 255, 255, 0) 50%);
            position: relative;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--gray-light);
            border: 1px solid var(--gray-border);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 25px;
        }

        .hero-tag span {
            background-color: var(--secondary);
            color: var(--white);
            padding: 2px 8px;
            border-radius: 50px;
            font-size: 11px;
        }

        h1.hero-title {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
            color: var(--dark);
        }

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

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 50px;
        }

        .btn-main {
            background: var(--gradient-primary);
            color: var(--white);
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
            box-shadow: 0 10px 25px rgba(0, 102, 255, 0.25);
        }

        .btn-main:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(0, 102, 255, 0.35);
        }

        .btn-sub {
            background-color: var(--white);
            color: var(--dark);
            border: 1px solid var(--gray-border);
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
        }

        .btn-sub:hover {
            background-color: var(--gray-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* 首页核心指标 */
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background-color: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 20px 40px rgba(0, 102, 255, 0.05);
        }

        .stat-item {
            text-align: center;
            border-right: 1px solid var(--gray-border);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 2. 关于我们 & 平台介绍 */
        .about-section {
            background-color: var(--gray-light);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--dark);
        }

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

        .about-list {
            margin-top: 25px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }

        .about-list-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 600;
        }

        .about-list-item::before {
            content: "✓";
            color: var(--success);
            font-weight: bold;
        }

        .about-badge-card {
            background-color: var(--white);
            padding: 30px;
            border-radius: 20px;
            border: 1px solid var(--gray-border);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

        .badge-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .badge-item {
            background-color: var(--gray-light);
            color: var(--dark);
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 12px;
            font-weight: 500;
            border: 1px solid var(--gray-border);
        }

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

        .service-card {
            background-color: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 16px;
            padding: 30px;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 15px 35px rgba(0, 102, 255, 0.1);
        }

        .service-icon {
            font-size: 32px;
            margin-bottom: 20px;
        }

        .service-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .service-desc {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 4. 一站式制作 */
        .onestop-section {
            background-color: var(--gray-light);
        }

        .onestop-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
        }

        .onestop-steps {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .onestop-step-item {
            background-color: var(--white);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--gray-border);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .step-num {
            background: var(--gradient-primary);
            color: var(--white);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }

        .step-content h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .step-content p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .onestop-interactive-box {
            background: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 20px;
            padding: 30px;
            text-align: center;
            box-shadow: 0 20px 40px rgba(0,0,0,0.03);
        }

        /* 5. 行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .solution-card {
            border-radius: 16px;
            overflow: hidden;
            background-color: var(--white);
            border: 1px solid var(--gray-border);
            transition: var(--transition);
        }

        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 102, 255, 0.08);
            border-color: var(--primary);
        }

        .solution-body {
            padding: 25px;
        }

        .solution-tag {
            display: inline-block;
            padding: 3px 8px;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 11px;
            font-weight: 700;
            border-radius: 4px;
            margin-bottom: 12px;
        }

        .solution-name {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .solution-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .solution-features {
            display: flex;
            flex-direction: column;
            gap: 6px;
            border-top: 1px solid var(--gray-border);
            padding-top: 15px;
        }

        .sol-feat {
            font-size: 12px;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .sol-feat::before {
            content: "•";
            color: var(--primary);
            font-weight: bold;
        }

        /* 6. 全国服务网络 */
        .network-section {
            background-color: var(--gray-light);
        }

        .network-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .network-map-placeholder {
            background: linear-gradient(135deg, #e5f0ff 0%, #d0e4ff 100%);
            border-radius: 20px;
            height: 350px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 30px;
            border: 1px dashed var(--primary);
            position: relative;
        }

        .network-point {
            position: absolute;
            width: 12px;
            height: 12px;
            background-color: var(--primary);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 0 rgba(0, 102, 255, 0.4); }
            70% { transform: scale(2); opacity: 0; box-shadow: 0 0 0 10px rgba(0, 102, 255, 0); }
            100% { transform: scale(1); opacity: 0; box-shadow: 0 0 0 0 rgba(0, 102, 255, 0); }
        }

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

        .network-card {
            background: var(--white);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--gray-border);
        }

        .network-card h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 5px;
            color: var(--primary);
        }

        .network-card p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 7. 标准化流程 */
        .process-flow {
            display: flex;
            justify-content: space-between;
            gap: 15px;
            position: relative;
        }

        .process-flow::before {
            content: "";
            position: absolute;
            top: 25px;
            left: 5%;
            width: 90%;
            height: 2px;
            background-color: var(--gray-border);
            z-index: 1;
        }

        .process-step {
            position: relative;
            z-index: 2;
            text-align: center;
            flex: 1;
        }

        .process-circle {
            width: 50px;
            height: 50px;
            background-color: var(--white);
            border: 3px solid var(--primary);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin: 0 auto 15px auto;
            transition: var(--transition);
        }

        .process-step:hover .process-circle {
            background-color: var(--primary);
            color: var(--white);
            transform: scale(1.1);
        }

        .process-step h4 {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .process-step p {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* 8. 客户案例中心 */
        .cases-section {
            background-color: var(--gray-light);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
            margin-bottom: 40px;
        }

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

        .case-img-placeholder {
            width: 100%;
            aspect-ratio: 16/9;
            background-color: #eee;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            overflow: hidden;
        }

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

        .case-body {
            padding: 20px;
        }

        .case-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .case-meta {
            font-size: 12px;
            color: var(--primary);
            margin-bottom: 10px;
            display: block;
            font-weight: 600;
        }

        .case-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        .banner-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 40px;
        }

        .banner-showcase img {
            border-radius: 12px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

        /* 9. 对比评测 */
        .eval-table-wrapper {
            overflow-x: auto;
            border: 1px solid var(--gray-border);
            border-radius: 16px;
            background-color: var(--white);
            box-shadow: 0 20px 40px rgba(0, 102, 255, 0.03);
        }

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

        table.eval-table th, table.eval-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--gray-border);
            font-size: 14px;
        }

        table.eval-table th {
            background-color: var(--gray-light);
            font-weight: 700;
        }

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

        .eval-highlight {
            background-color: rgba(0, 102, 255, 0.02);
            font-weight: 700;
            color: var(--primary);
        }

        .eval-score-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background-color: var(--primary-light);
            border: 1px solid var(--primary);
            padding: 20px;
            border-radius: 12px;
            margin-top: 30px;
        }

        .eval-score-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
        }

        .eval-rating {
            font-size: 24px;
            font-weight: 900;
            color: var(--secondary);
        }

        /* 10. 智能需求匹配 (表单) */
        .match-section {
            background-color: var(--gray-light);
        }

        .match-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
        }

        .form-card {
            background: var(--white);
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--gray-border);
            box-shadow: 0 20px 50px rgba(0, 102, 255, 0.05);
        }

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

        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--gray-border);
            background-color: var(--gray-light);
            border-radius: 8px;
            font-size: 14px;
            color: var(--dark);
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: var(--white);
            box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
        }

        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            background-size: 16px;
        }

        .form-submit-btn {
            width: 100%;
            background: var(--gradient-primary);
            color: var(--white);
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0, 102, 255, 0.2);
            transition: var(--transition);
        }

        .form-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 102, 255, 0.3);
        }

        /* 11. Token 比价 & 19. 加盟代理 */
        .token-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .token-table-card {
            border: 1px solid var(--gray-border);
            border-radius: 16px;
            overflow: hidden;
            background: var(--white);
        }

        .token-header {
            padding: 20px;
            background-color: var(--gray-light);
            border-bottom: 1px solid var(--gray-border);
        }

        .agent-card {
            background: var(--gradient-warm);
            color: var(--white);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 15px 35px rgba(255, 107, 0, 0.25);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .agent-title {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 15px;
        }

        .agent-p {
            font-size: 14px;
            opacity: 0.9;
            margin-bottom: 25px;
            line-height: 1.7;
        }

        .agent-features {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 30px;
        }

        .agent-feat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 700;
        }

        .agent-feat-item::before {
            content: "★";
            color: #fff;
        }

        .btn-agent-join {
            background-color: var(--white);
            color: var(--secondary);
            font-weight: 800;
            padding: 12px;
            border-radius: 8px;
            text-align: center;
            display: block;
        }

        .btn-agent-join:hover {
            transform: scale(1.02);
            box-shadow: 0 10px 20px rgba(255,255,255,0.2);
        }

        /* 12 & 13. 培训业务 */
        .training-section {
            background-color: var(--gray-light);
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background-color: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 10px 25px rgba(0, 102, 255, 0.05);
        }

        .training-badge {
            display: inline-block;
            padding: 4px 10px;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 10px;
            font-weight: 700;
            border-radius: 4px;
            margin-bottom: 12px;
        }

        .training-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
        }

        /* 14 & 15. FAQ 常见问题 */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .faq-item {
            background-color: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 20px;
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-question::after {
            content: "+";
            font-size: 18px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 0 solid var(--gray-border);
        }

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

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

        .faq-item.active .faq-answer {
            padding: 15px 20px 20px 20px;
            max-height: 200px;
            border-top-width: 1px;
        }

        /* 16. AI 术语百科 */
        .glossary-section {
            background-color: var(--gray-light);
        }

        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .glossary-card {
            background: var(--white);
            border: 1px solid var(--gray-border);
            padding: 20px;
            border-radius: 12px;
        }

        .glossary-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .glossary-card p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 17. 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .news-card {
            background-color: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 10px;
            padding: 15px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 180px;
        }

        .news-card h4 {
            font-size: 13px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.4;
        }

        .news-date {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 15px;
        }

        /* 用户评论 */
        .reviews-section {
            background-color: var(--gray-light);
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            background-color: var(--white);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--gray-border);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            position: relative;
        }

        .review-text {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.7;
        }

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

        .review-avatar-placeholder {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
        }

        .review-name {
            font-size: 14px;
            font-weight: 700;
        }

        .review-role {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* 18. 联系我们 & 客服入口 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

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

        .contact-icon {
            width: 44px;
            height: 44px;
            background-color: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            flex-shrink: 0;
        }

        .contact-text h4 {
            font-size: 14px;
            font-weight: 700;
        }

        .contact-text p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .contact-qr-wrapper {
            background-color: var(--gray-light);
            border: 1px solid var(--gray-border);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
        }

        .contact-qr-box {
            width: 150px;
            height: 150px;
            background-color: #eee;
            margin: 0 auto 15px auto;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            border-radius: 8px;
        }

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

        .contact-qr-text {
            font-size: 13px;
            font-weight: 700;
        }

        /* 浮动客服入口 */
        .float-kefu {
            position: fixed;
            bottom: 40px;
            right: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background-color: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            cursor: pointer;
            position: relative;
        }

        .float-btn-main {
            background: var(--gradient-primary);
            color: var(--white);
            border: none;
        }

        .float-btn:hover {
            transform: scale(1.05);
        }

        .float-qr-pop {
            position: absolute;
            bottom: 60px;
            right: 0;
            width: 160px;
            background-color: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 12px;
            padding: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
        }

        .float-qr-pop img {
            width: 130px;
            height: 130px;
            object-fit: cover;
            border-radius: 4px;
        }

        .float-qr-pop p {
            font-size: 11px;
            margin-top: 8px;
            color: var(--dark);
            font-weight: 700;
        }

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

        /* 页脚与友情链接 */
        footer {
            background-color: var(--dark);
            color: var(--white);
            padding: 60px 0 30px 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 15px;
        }

        .footer-brand p {
            font-size: 13px;
            opacity: 0.6;
            line-height: 1.8;
        }

        .footer-links-title {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 15px;
            position: relative;
        }

        .footer-links-title::after {
            content: "";
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 20px;
            height: 2px;
            background-color: var(--primary);
        }

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

        .footer-links-list a {
            font-size: 13px;
            opacity: 0.7;
        }

        .footer-links-list a:hover {
            opacity: 1;
            color: var(--primary);
            padding-left: 5px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 30px;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 12px;
        }

        .friend-links a {
            opacity: 0.6;
        }

        .friend-links a:hover {
            opacity: 1;
            color: var(--primary);
        }

        .copyright-box {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            opacity: 0.5;
        }

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

        @media (max-width: 768px) {
            section {
                padding: 60px 0;
            }
            .menu-toggle {
                display: flex;
            }
            .nav-menu {
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--white);
                border-bottom: 1px solid var(--gray-border);
                flex-direction: column;
                padding: 20px;
                gap: 15px;
                align-items: stretch;
                display: none;
            }
            .nav-menu.active {
                display: flex;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 15px;
            }
            .stat-item {
                border-right: none;
            }
            .stat-item:nth-child(even) {
                border-left: none;
            }
            .about-grid, .onestop-grid, .network-container, .match-grid, .token-grid, .contact-grid, .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .services-grid, .solutions-grid, .cases-grid, .reviews-grid, .training-grid, .glossary-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .process-flow {
                flex-direction: column;
                gap: 25px;
            }
            .process-flow::before {
                display: none;
            }
            .banner-showcase {
                grid-template-columns: 1fr;
            }
            .copyright-box {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }
        }