:root {
            --primary: #2563eb;
            --primary-hover: #1d4ed8;
            --secondary: #f97316;
            --secondary-hover: #ea580c;
            --accent: #10b981;
            --dark: #0f172a;
            --light: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-600: #475569;
            --gray-800: #1e293b;
            --white: #ffffff;
            --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--light);
            color: var(--gray-800);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

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

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

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

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

        .nav-menu a {
            color: var(--gray-800);
            text-decoration: none;
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition);
            padding: 8px 12px;
            border-radius: 6px;
        }

        .nav-menu a:hover {
            color: var(--primary);
            background-color: var(--gray-100);
        }

        .nav-cta {
            background-color: var(--primary);
            color: var(--white) !important;
            padding: 8px 18px !important;
            border-radius: 30px !important;
            box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
        }

        .nav-cta:hover {
            background-color: var(--primary-hover) !important;
            transform: translateY(-2px);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--dark);
            cursor: pointer;
        }

        /* Hero首屏 - 无图设计，强撞色与微动态 */
        .hero-section {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(249, 115, 22, 0.05) 0%, transparent 50%),
                        var(--white);
            border-bottom: 1px solid var(--gray-200);
            position: relative;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 42px;
            line-height: 1.25;
            color: var(--dark);
            font-weight: 800;
            margin-bottom: 20px;
        }

        .hero-content h1 span {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--gray-600);
            margin-bottom: 30px;
            max-width: 600px;
        }

        .hero-buttons {
            display: flex;
            gap: 15px;
            margin-bottom: 40px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 8px;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--white);
            border: 2px solid var(--primary);
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
        }

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

        .btn-secondary {
            background-color: transparent;
            color: var(--dark);
            border: 2px solid var(--gray-200);
        }

        .btn-secondary:hover {
            background-color: var(--gray-100);
            border-color: var(--gray-600);
            transform: translateY(-2px);
        }

        .hero-features {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .hero-feat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--gray-600);
            background-color: var(--gray-100);
            padding: 6px 14px;
            border-radius: 20px;
        }

        .hero-feat-item svg {
            color: var(--accent);
        }

        /* 首屏右侧数据卡片组 */
        .hero-stats-wrapper {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .stat-card {
            background-color: var(--white);
            padding: 24px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            border-top: 4px solid var(--primary);
            transition: var(--transition);
        }

        .stat-card:nth-child(even) {
            border-top-color: var(--secondary);
            transform: translateY(20px);
        }

        .stat-card:hover {
            transform: translateY(-5px);
        }

        .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-card:nth-child(even) .stat-num {
            color: var(--secondary);
        }

        .stat-card:nth-child(odd) .stat-num {
            color: var(--primary);
        }

        .stat-label {
            font-size: 14px;
            color: var(--gray-600);
        }

        /* 模块基础样式 */
        section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px;
        }

        .section-tag {
            display: inline-block;
            background-color: rgba(37, 99, 235, 0.08);
            color: var(--primary);
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 700;
            border-radius: 30px;
            margin-bottom: 15px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--gray-600);
        }

        /* 关于我们 */
        .about-section {
            background-color: var(--white);
        }

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

        .about-text h3 {
            font-size: 24px;
            color: var(--dark);
            margin-bottom: 15px;
            font-weight: 700;
        }

        .about-text p {
            color: var(--gray-600);
            margin-bottom: 20px;
        }

        .about-media {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 4px solid var(--white);
        }

        .about-media img {
            width: 100%;
            display: block;
            transition: var(--transition);
        }

        .about-media img:hover {
            transform: scale(1.05);
        }

        /* AIGC服务体系 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .service-card {
            background-color: var(--white);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--gray-200);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background-color: var(--primary);
            transform: scaleY(0);
            transition: var(--transition);
        }

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

        .service-card:hover::before {
            transform: scaleY(1);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            background-color: rgba(37, 99, 235, 0.08);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .service-card:nth-child(even) .service-icon {
            background-color: rgba(249, 115, 22, 0.08);
            color: var(--secondary);
        }

        .service-card:nth-child(even)::before {
            background-color: var(--secondary);
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--gray-600);
        }

        /* 平台聚合标签云 */
        .platform-cloud {
            margin-top: 40px;
            background-color: var(--white);
            padding: 30px;
            border-radius: 16px;
            box-shadow: var(--shadow);
            text-align: center;
        }

        .platform-cloud h4 {
            font-size: 16px;
            color: var(--gray-600);
            margin-bottom: 20px;
            font-weight: 600;
        }

        .tag-container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag {
            background-color: var(--gray-100);
            color: var(--gray-800);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition);
        }

        .tag:hover {
            background-color: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
        }

        /* AIGC制作流程 (步骤条) */
        .process-section {
            background-color: var(--white);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            position: relative;
        }

        .process-card {
            background-color: var(--light);
            padding: 30px;
            border-radius: 12px;
            position: relative;
            z-index: 2;
            transition: var(--transition);
        }

        .process-card:hover {
            background-color: var(--white);
            box-shadow: var(--shadow);
            transform: translateY(-5px);
        }

        .step-num {
            width: 40px;
            height: 40px;
            background-color: var(--secondary);
            color: var(--white);
            font-size: 18px;
            font-weight: 800;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            box-shadow: 0 4px 10px rgba(249, 115, 22, 0.3);
        }

        .process-card h3 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 10px;
            font-weight: 700;
        }

        .process-card p {
            font-size: 14px;
            color: var(--gray-600);
        }

        /* 解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .solution-card {
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--gray-200);
            transition: var(--transition);
        }

        .solution-card:hover {
            transform: translateY(-10px);
            border-color: var(--primary);
        }

        .solution-body {
            padding: 25px;
        }

        .solution-body h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 12px;
            font-weight: 700;
        }

        .solution-body p {
            font-size: 14px;
            color: var(--gray-600);
            margin-bottom: 20px;
        }

        .solution-features {
            list-style: none;
            padding-top: 15px;
            border-top: 1px solid var(--gray-200);
        }

        .solution-features li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--gray-600);
            margin-bottom: 8px;
        }

        .solution-features svg {
            color: var(--accent);
        }

        /* 智能需求匹配与表单 */
        .match-section {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(249, 115, 22, 0.05) 100%), var(--white);
        }

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

        .match-info h3 {
            font-size: 28px;
            color: var(--dark);
            margin-bottom: 20px;
            font-weight: 800;
        }

        .match-info p {
            color: var(--gray-600);
            margin-bottom: 30px;
        }

        .match-benefits {
            list-style: none;
        }

        .match-benefits li {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
            font-size: 15px;
            font-weight: 600;
            color: var(--gray-800);
        }

        .match-benefits li span {
            width: 24px;
            height: 24px;
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .form-card {
            background-color: var(--white);
            padding: 40px;
            border-radius: 16px;
            box-shadow: var(--shadow);
            border: 1px solid var(--gray-200);
        }

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

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--gray-800);
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--gray-200);
            border-radius: 8px;
            font-size: 14px;
            transition: var(--transition);
            background-color: var(--light);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: var(--white);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .btn-submit {
            width: 100%;
            background-color: var(--primary);
            color: var(--white);
            border: none;
            padding: 14px;
            font-weight: 700;
            font-size: 16px;
            border-radius: 8px;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
            transition: var(--transition);
        }

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

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

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

        .case-card {
            background-color: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--gray-200);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-8px);
        }

        .case-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .case-info {
            padding: 25px;
        }

        .case-tag {
            display: inline-block;
            background-color: rgba(249, 115, 22, 0.08);
            color: var(--secondary);
            font-size: 11px;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .case-info h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .case-info p {
            font-size: 14px;
            color: var(--gray-600);
        }

        /* 对比评测 */
        .review-section {
            background-color: var(--white);
        }

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

        .score-box {
            background: linear-gradient(135deg, var(--dark) 0%, var(--gray-800) 100%);
            color: var(--white);
            padding: 40px;
            border-radius: 16px;
            text-align: center;
            box-shadow: var(--shadow);
        }

        .score-stars {
            color: var(--secondary);
            font-size: 24px;
            margin-bottom: 15px;
        }

        .score-value {
            font-size: 72px;
            font-weight: 800;
            line-height: 1;
            margin-bottom: 10px;
            color: var(--white);
        }

        .score-max {
            font-size: 18px;
            color: var(--gray-200);
            margin-bottom: 20px;
        }

        .score-desc {
            font-size: 15px;
            color: var(--gray-200);
        }

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

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background-color: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--gray-200);
            font-size: 14px;
        }

        .comparison-table th {
            background-color: var(--gray-100);
            font-weight: 700;
            color: var(--dark);
        }

        .comparison-table tr:hover td {
            background-color: var(--gray-100);
        }

        .td-highlight {
            color: var(--primary);
            font-weight: 700;
        }

        /* Token比价与价格参考 */
        .token-section {
            background-color: var(--light);
        }

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

        .token-card {
            background-color: var(--white);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--gray-200);
            box-shadow: var(--shadow);
            position: relative;
            transition: var(--transition);
        }

        .token-card.popular {
            border-color: var(--primary);
        }

        .token-card.popular::after {
            content: '推荐';
            position: absolute;
            top: 15px;
            right: 15px;
            background-color: var(--primary);
            color: var(--white);
            font-size: 11px;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 20px;
        }

        .token-card h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 15px;
            font-weight: 700;
        }

        .token-price {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .token-price span {
            font-size: 14px;
            color: var(--gray-600);
            font-weight: 400;
        }

        .token-list {
            list-style: none;
            margin-bottom: 30px;
        }

        .token-list li {
            font-size: 14px;
            color: var(--gray-600);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .token-list svg {
            color: var(--accent);
        }

        /* 培训中心 */
        .training-section {
            background-color: var(--white);
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
        }

        .training-card {
            background-color: var(--light);
            padding: 30px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--gray-200);
            transition: var(--transition);
        }

        .training-card:hover {
            background-color: var(--white);
            border-color: var(--primary);
            box-shadow: var(--shadow);
            transform: translateY(-5px);
        }

        .training-icon {
            width: 60px;
            height: 60px;
            background-color: rgba(37, 99, 235, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin: 0 auto 20px;
            font-size: 24px;
        }

        .training-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .training-card p {
            font-size: 13px;
            color: var(--gray-600);
        }

        /* 常见用户问题 FAQ */
        .faq-section {
            background-color: var(--light);
        }

        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--white);
            margin-bottom: 15px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            overflow: hidden;
            border: 1px solid var(--gray-200);
        }

        .faq-question {
            padding: 20px;
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: var(--light);
        }

        .faq-answer-inner {
            padding: 20px;
            font-size: 14px;
            color: var(--gray-600);
            border-top: 1px solid var(--gray-200);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-icon-arrow {
            transition: var(--transition);
        }

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

        /* 自助排查与术语百科 */
        .help-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-top: 50px;
        }

        .help-card {
            background-color: var(--white);
            padding: 35px;
            border-radius: 16px;
            box-shadow: var(--shadow);
            border: 1px solid var(--gray-200);
        }

        .help-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .help-list {
            list-style: none;
        }

        .help-list li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px dashed var(--gray-200);
        }

        .help-list li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }

        .help-list h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .help-list p {
            font-size: 13px;
            color: var(--gray-600);
        }

        /* 客户评论卡片 */
        .reviews-section {
            background-color: var(--white);
        }

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

        .review-card {
            background-color: var(--light);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--gray-200);
            box-shadow: var(--shadow);
            position: relative;
        }

        .review-quote {
            font-size: 14px;
            color: var(--gray-600);
            margin-bottom: 20px;
            font-style: italic;
        }

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

        .author-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background-color: var(--primary);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
        }

        .review-card:nth-child(even) .author-avatar {
            background-color: var(--secondary);
        }

        .author-info h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
        }

        .author-info p {
            font-size: 12px;
            color: var(--gray-600);
        }

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

        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .news-card {
            background-color: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--gray-200);
            transition: var(--transition);
        }

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

        .news-content {
            padding: 25px;
        }

        .news-date {
            font-size: 12px;
            color: var(--gray-600);
            margin-bottom: 10px;
            display: block;
        }

        .news-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

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

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

        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }

        .network-card {
            background-color: var(--light);
            padding: 25px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--gray-200);
        }

        .network-card h3 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 10px;
            font-weight: 700;
        }

        .network-card p {
            font-size: 13px;
            color: var(--gray-600);
        }

        /* 触底引导区与联系我们 */
        .cta-footer-section {
            background: linear-gradient(135deg, var(--dark) 0%, var(--gray-800) 100%);
            color: var(--white);
            padding: 80px 0;
            text-align: center;
        }

        .cta-footer-content h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .cta-footer-content p {
            font-size: 18px;
            color: var(--gray-200);
            margin-bottom: 35px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

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

        /* 联系方式与二维码区 */
        .contact-details-section {
            background-color: var(--white);
            border-bottom: 1px solid var(--gray-200);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            align-items: flex-start;
        }

        .contact-info-box h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 20px;
            font-weight: 700;
        }

        .contact-list {
            list-style: none;
        }

        .contact-list li {
            margin-bottom: 15px;
            font-size: 14px;
            color: var(--gray-600);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .contact-qr-wrapper {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .qr-card {
            text-align: center;
            flex: 1;
        }

        .qr-card img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            border: 1px solid var(--gray-200);
            margin-bottom: 8px;
        }

        .qr-card p {
            font-size: 12px;
            color: var(--gray-600);
            font-weight: 600;
        }

        /* 侧边浮动客服 */
        .float-kefu {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            background-color: var(--white);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            border-radius: 12px;
            padding: 15px;
            text-align: center;
            width: 130px;
            border: 1px solid var(--gray-200);
            transition: var(--transition);
        }

        .float-kefu:hover {
            transform: translateY(-5px);
        }

        .float-kefu img {
            width: 90px;
            height: 90px;
            border-radius: 6px;
            margin-bottom: 8px;
        }

        .float-kefu p {
            font-size: 12px;
            color: var(--gray-800);
            font-weight: 700;
            margin-bottom: 4px;
        }

        .float-kefu span {
            display: block;
            font-size: 10px;
            color: var(--gray-600);
        }

        /* 底部版权区 */
        footer {
            background-color: var(--dark);
            color: var(--gray-600);
            padding: 40px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }

        .footer-about h3 {
            color: var(--white);
            font-size: 16px;
            margin-bottom: 15px;
            font-weight: 700;
        }

        .footer-about p {
            font-size: 13px;
            max-width: 400px;
            line-height: 1.8;
            margin-bottom: 15px;
        }

        .footer-links h3 {
            color: var(--white);
            font-size: 16px;
            margin-bottom: 15px;
            font-weight: 700;
        }

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

        .friend-links a {
            color: var(--gray-600);
            text-decoration: none;
            font-size: 13px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
        }

        .footer-bottom a {
            color: var(--gray-600);
            text-decoration: none;
        }

        .footer-bottom a:hover {
            color: var(--white);
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats-wrapper {
                margin-top: 20px;
            }
            .about-grid, .match-grid, .review-wrapper {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .solutions-grid, .cases-grid, .reviews-grid, .token-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .network-grid, .contact-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--white);
                flex-direction: column;
                padding: 20px;
                border-top: 1px solid var(--gray-200);
                box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .solutions-grid, .cases-grid, .reviews-grid, .token-grid, .process-steps, .network-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .help-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }
        }