:root {
      --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #db2777 100%);
      --text-dark: #0f172a;
      --text-muted: #475569;
      --bg-light: #f8fafc;
      --bg-white: #ffffff;
      --accent-color: #3b82f6;
      --border-color: #e2e8f0;
      --border-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6, #ec4899);
      --container-width: 1200px;
    }

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

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

    body {
      line-height: 1.6;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

    ul {
      list-style: none;
    }

    /* 容器规范 */
    .container {
      width: 100%;
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 按钮基础 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: 9999px;
      transition: all 0.3s ease;
      cursor: pointer;
      border: none;
    }

    .btn-primary {
      background: var(--primary-gradient);
      color: #fff !important;
      box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
    }

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

    .btn-secondary:hover {
      background: var(--bg-light);
      transform: translateY(-2px);
    }

    /* 斑斓色彩背景装饰 */
    .rainbow-badge {
      display: inline-block;
      padding: 4px 12px;
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: 9999px;
      background: linear-gradient(90deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1), rgba(236, 72, 153, 0.1));
      border: 1px solid rgba(139, 92, 246, 0.2);
      color: #7c3aed;
      margin-bottom: 15px;
    }

    /* 顶部导航 */
    header {
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 100;
    }

    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 80px;
    }

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

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

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

    .nav-links a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      transition: color 0.3s;
    }

    .nav-links a:hover {
      color: #7c3aed;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
    }

    /* 首屏 Hero 区域 (无图设计，炫彩科技风) */
    .hero-section {
      position: relative;
      padding: 100px 0 120px 0;
      background: radial-gradient(circle at 10% 20%, rgba(243, 239, 255, 0.7) 0%, rgba(235, 244, 255, 0.6) 90.2%);
      overflow: hidden;
      text-align: center;
    }

    .hero-bg-shapes {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: 1;
      pointer-events: none;
    }

    .shape {
      position: absolute;
      border-radius: 50%;
      filter: blur(80px);
      opacity: 0.45;
    }

    .shape-1 {
      top: -10%;
      left: 10%;
      width: 300px;
      height: 300px;
      background: #8b5cf6;
    }

    .shape-2 {
      bottom: 10%;
      right: 10%;
      width: 350px;
      height: 350px;
      background: #ec4899;
    }

    .shape-3 {
      top: 30%;
      left: 60%;
      width: 250px;
      height: 250px;
      background: #3b82f6;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-content h1 {
      font-size: 2.5rem;
      line-height: 1.3;
      margin-bottom: 20px;
      background: linear-gradient(135deg, #1e1b4b 0%, #4c1d95 50%, #db2777 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      font-weight: 800;
    }

    .hero-content p {
      font-size: 1.2rem;
      color: var(--text-muted);
      margin-bottom: 35px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-btn-group {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }

    /* 数据指标卡片 */
    .stats-container {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 50px;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.6);
      padding: 24px;
      border-radius: 16px;
      backdrop-filter: blur(8px);
      box-shadow: 0 4px 20px rgba(0,0,0,0.03);
      transition: transform 0.3s;
    }

    .stat-card:hover {
      transform: translateY(-5px);
      border-color: #8b5cf6;
    }

    .stat-number {
      font-size: 2rem;
      font-weight: 800;
      color: #7c3aed;
      margin-bottom: 5px;
    }

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

    /* 板块通用头部 */
    .section-title {
      text-align: center;
      margin-bottom: 60px;
    }

    .section-title h2 {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 15px;
    }

    .section-title p {
      color: var(--text-muted);
      max-width: 600px;
      margin: 0 auto;
    }

    section {
      padding: 80px 0;
    }

    /* 模块: 关于我们 & 平台介绍 */
    .about-section {
      background: var(--bg-white);
    }

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

    .about-info h3 {
      font-size: 1.8rem;
      margin-bottom: 20px;
      color: var(--text-dark);
    }

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

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

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

    .feature-icon {
      width: 8px;
      height: 8px;
      background: #7c3aed;
      border-radius: 50%;
    }

    .about-media {
      background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
      padding: 30px;
      border-radius: 24px;
      border: 1px dashed rgba(124, 58, 237, 0.2);
    }

    .core-highlight-card {
      background: var(--bg-white);
      padding: 24px;
      border-radius: 16px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.05);
      border-left: 4px solid #db2777;
    }

    .core-highlight-card h4 {
      font-size: 1.1rem;
      color: #db2777;
      margin-bottom: 10px;
    }

    /* 模块: 全平台AIGC服务 & 制作 */
    .services-section {
      background: var(--bg-light);
    }

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

    .service-card {
      background: var(--bg-white);
      padding: 35px;
      border-radius: 20px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.02);
      transition: all 0.3s;
      border: 1px solid var(--border-color);
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 40px rgba(124, 58, 237, 0.1);
      border-color: #8b5cf6;
    }

    .service-icon-box {
      width: 50px;
      height: 50px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(219, 39, 119, 0.1) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      color: #7c3aed;
      margin-bottom: 25px;
    }

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

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

    /* 模型墙 */
    .model-wall {
      margin-top: 60px;
      background: var(--bg-white);
      padding: 40px;
      border-radius: 24px;
      border: 1px solid var(--border-color);
    }

    .model-wall h3 {
      text-align: center;
      font-size: 1.3rem;
      margin-bottom: 30px;
    }

    .model-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
    }

    .model-tag {
      padding: 8px 16px;
      background: var(--bg-light);
      border-radius: 9999px;
      font-size: 0.85rem;
      font-weight: 500;
      transition: all 0.3s;
      border: 1px solid var(--border-color);
    }

    .model-tag:hover {
      background: var(--primary-gradient);
      color: #fff;
      border-color: transparent;
      transform: scale(1.05);
    }

    /* 模块: 解决方案与服务网络 */
    .solutions-section {
      background: var(--bg-white);
    }

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

    .solution-card {
      position: relative;
      overflow: hidden;
      border-radius: 20px;
      background: var(--bg-light);
      padding: 30px;
      border: 1px solid var(--border-color);
      transition: all 0.3s;
    }

    .solution-card:hover {
      border-color: #ec4899;
      transform: translateY(-3px);
    }

    .network-map-area {
      margin-top: 50px;
      background: linear-gradient(135deg, #1e1b4b 0%, #311052 100%);
      color: #fff;
      padding: 40px;
      border-radius: 24px;
      text-align: center;
    }

    .network-map-area h3 {
      font-size: 1.5rem;
      margin-bottom: 15px;
    }

    .network-nodes {
      display: flex;
      justify-content: center;
      gap: 30px;
      flex-wrap: wrap;
      margin-top: 25px;
    }

    .node {
      padding: 10px 20px;
      background: rgba(255,255,255,0.1);
      border-radius: 8px;
      font-size: 0.9rem;
    }

    /* 流程与技术标准 */
    .process-section {
      background: var(--bg-light);
    }

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

    .process-step {
      background: var(--bg-white);
      padding: 30px;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      position: relative;
      z-index: 2;
    }

    .step-number {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .standards-grid {
      margin-top: 50px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .standard-card {
      background: var(--bg-white);
      padding: 30px;
      border-radius: 16px;
      border-left: 4px solid #3b82f6;
    }

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

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

    .case-card {
      background: var(--bg-white);
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 4px 20px rgba(0,0,0,0.03);
      border: 1px solid var(--border-color);
      transition: all 0.3s;
    }

    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    }

    .case-image-wrapper {
      position: relative;
      aspect-ratio: 16/10;
      overflow: hidden;
      background: #f1f5f9;
    }

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

    .case-body {
      padding: 24px;
    }

    .case-badge {
      display: inline-block;
      padding: 2px 8px;
      background: #e0f2fe;
      color: #0284c7;
      font-size: 0.75rem;
      font-weight: 600;
      border-radius: 4px;
      margin-bottom: 10px;
    }

    .case-body h3 {
      font-size: 1.1rem;
      margin-bottom: 10px;
    }

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

    /* 对比评测 */
    .comparison-section {
      background: var(--bg-light);
    }

    .comparison-container {
      background: var(--bg-white);
      border-radius: 24px;
      padding: 40px;
      box-shadow: 0 10px 40px rgba(0,0,0,0.04);
      border: 1px solid var(--border-color);
    }

    .score-banner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      padding-bottom: 30px;
      border-bottom: 1px solid var(--border-color);
      margin-bottom: 30px;
      gap: 20px;
    }

    .score-left h3 {
      font-size: 1.8rem;
      margin-bottom: 5px;
    }

    .score-right {
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .stars {
      color: #f59e0b;
      font-size: 1.5rem;
    }

    .rating-num {
      background: linear-gradient(135deg, #ef4444, #f59e0b);
      color: #fff;
      padding: 8px 16px;
      border-radius: 12px;
      font-size: 1.5rem;
      font-weight: 800;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
    }

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

    .comparison-table th, .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }

    .comparison-table th {
      background: var(--bg-light);
      font-weight: 700;
    }

    .comparison-table tr:hover {
      background: rgba(248, 250, 252, 0.5);
    }

    .tag-yes {
      color: #10b981;
      font-weight: 700;
    }

    .tag-no {
      color: #ef4444;
    }

    /* 需求匹配与表单 */
    .form-section {
      background: var(--bg-white);
    }

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

    .form-intro h3 {
      font-size: 2rem;
      margin-bottom: 20px;
    }

    .form-intro p {
      color: var(--text-muted);
      margin-bottom: 25px;
    }

    .submit-box {
      background: var(--bg-light);
      padding: 40px;
      border-radius: 24px;
      border: 1px solid var(--border-color);
    }

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

    .form-group label {
      display: block;
      margin-bottom: 8px;
      font-weight: 600;
      font-size: 0.9rem;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      background: var(--bg-white);
      outline: none;
      transition: border-color 0.3s;
    }

    .form-control:focus {
      border-color: #7c3aed;
    }

    textarea.form-control {
      height: 120px;
      resize: vertical;
    }

    /* Token 比价 */
    .token-section {
      background: var(--bg-light);
    }

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

    .token-card {
      background: var(--bg-white);
      border-radius: 16px;
      padding: 30px;
      border: 1px solid var(--border-color);
      text-align: center;
      transition: all 0.3s;
    }

    .token-card:hover {
      border-color: #10b981;
      transform: translateY(-3px);
    }

    .token-price {
      font-size: 2.2rem;
      font-weight: 800;
      color: #10b981;
      margin: 15px 0;
    }

    .token-price span {
      font-size: 1rem;
      font-weight: 400;
      color: var(--text-muted);
    }

    /* 培训业务 */
    .training-section {
      background: var(--bg-white);
    }

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

    .training-card {
      background: var(--bg-light);
      padding: 24px;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      text-align: center;
      transition: all 0.3s;
    }

    .training-card:hover {
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
      color: #fff;
      transform: translateY(-5px);
    }

    .training-card h3 {
      font-size: 1rem;
      margin-bottom: 10px;
    }

    .training-card p {
      font-size: 0.8rem;
      opacity: 0.8;
    }

    /* 帮助中心与 FAQ */
    .faq-section {
      background: var(--bg-light);
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1.5fr;
      gap: 50px;
    }

    .faq-sidebar h3 {
      font-size: 1.8rem;
      margin-bottom: 20px;
    }

    .troubleshoot-box {
      margin-top: 30px;
      background: var(--bg-white);
      padding: 24px;
      border-radius: 16px;
      border: 1px solid var(--border-color);
    }

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

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

    .faq-question {
      padding: 20px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background 0.3s;
    }

    .faq-question:hover {
      background: #f8fafc;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      padding: 0 20px;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.6;
    }

    .faq-answer-inner {
      padding-bottom: 20px;
    }

    .faq-item.active .faq-answer {
      max-height: 200px;
    }

    .faq-icon::before {
      content: '+';
      font-size: 1.2rem;
      font-weight: bold;
    }

    .faq-item.active .faq-icon::before {
      content: '-';
    }

    /* 百科与资讯 */
    .news-section {
      background: var(--bg-white);
    }

    .news-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr;
      gap: 50px;
    }

    .news-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .news-item {
      display: flex;
      flex-direction: column;
      gap: 5px;
      padding-bottom: 20px;
      border-bottom: 1px solid var(--border-color);
    }

    .news-item a {
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--text-dark);
      transition: color 0.3s;
    }

    .news-item a:hover {
      color: #7c3aed;
    }

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

    .wiki-tags {
      background: var(--bg-light);
      padding: 30px;
      border-radius: 20px;
      border: 1px solid var(--border-color);
    }

    .wiki-tags h3 {
      margin-bottom: 20px;
      font-size: 1.2rem;
    }

    /* 客户评论 */
    .testimonials-section {
      background: var(--bg-light);
    }

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

    .testimonial-card {
      background: var(--bg-white);
      padding: 30px;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 20px rgba(0,0,0,0.01);
      position: relative;
    }

    .testimonial-text {
      font-style: italic;
      color: var(--text-muted);
      margin-bottom: 20px;
      font-size: 0.95rem;
    }

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

    .user-avatar-placeholder {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
    }

    .user-info h4 {
      font-size: 0.95rem;
      margin-bottom: 2px;
    }

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

    /* 加盟代理 */
    .agent-section {
      background: var(--bg-white);
    }

    .agent-banner {
      background: linear-gradient(135deg, #1e1b4b 0%, #4c1d95 50%, #db2777 100%);
      color: #fff;
      border-radius: 24px;
      padding: 60px;
      text-align: center;
    }

    .agent-banner h3 {
      font-size: 2.2rem;
      margin-bottom: 20px;
    }

    .agent-banner p {
      max-width: 750px;
      margin: 0 auto 30px auto;
      opacity: 0.9;
    }

    .agent-perks {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 40px;
    }

    .perk-card {
      background: rgba(255,255,255,0.1);
      padding: 24px;
      border-radius: 12px;
      backdrop-filter: blur(5px);
    }

    /* 联系我们 */
    .contact-section {
      background: var(--bg-light);
    }

    .contact-card-box {
      background: var(--bg-white);
      border-radius: 24px;
      padding: 40px;
      box-shadow: 0 10px 40px rgba(0,0,0,0.03);
      border: 1px solid var(--border-color);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }

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

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

    .contact-icon {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: rgba(124, 58, 237, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #7c3aed;
      font-weight: bold;
    }

    .contact-qr-area {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
    }

    .qr-container {
      width: 160px;
      height: 160px;
      background: #f1f5f9;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      overflow: hidden;
      margin-bottom: 15px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .qr-container img {
      max-width: 100%;
      height: auto;
    }

    /* 页脚 */
    footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px 0;
      border-top: 1px solid #1e293b;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1.5fr;
      gap: 50px;
      padding-bottom: 40px;
      border-bottom: 1px solid #1e293b;
    }

    .footer-brand img {
      height: 40px;
      margin-bottom: 20px;
    }

    .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.7;
    }

    .footer-links h4 {
      color: #fff;
      margin-bottom: 20px;
      font-size: 1rem;
    }

    .footer-links ul {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-links a {
      font-size: 0.9rem;
      transition: color 0.3s;
    }

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

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

    .friend-links a {
      padding: 4px 10px;
      background: #1e293b;
      border-radius: 4px;
      font-size: 0.8rem;
      color: #94a3b8;
      transition: all 0.3s;
    }

    .friend-links a:hover {
      background: #334155;
      color: #fff;
    }

    .footer-bottom {
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8rem;
      flex-wrap: wrap;
      gap: 15px;
    }

    .footer-bottom-links {
      display: flex;
      gap: 20px;
    }

    /* 浮动客服 */
    .floating-services {
      position: fixed;
      right: 20px;
      bottom: 20px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--bg-white);
      box-shadow: 0 4px 15px rgba(0,0,0,0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      position: relative;
      transition: all 0.3s;
      border: 1px solid var(--border-color);
    }

    .float-btn:hover {
      background: var(--primary-gradient);
      color: #fff;
      transform: translateY(-2px);
    }

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

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

    .float-qr-popup img {
      width: 120px;
      height: 120px;
    }

    .float-qr-popup p {
      color: var(--text-dark);
      font-size: 0.8rem;
      margin-top: 5px;
      white-space: nowrap;
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .stats-container {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid, .solutions-grid, .cases-grid, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .training-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-content h1 {
        font-size: 2rem;
      }
      .about-grid, .form-grid, .faq-grid, .news-grid, .contact-card-box {
        grid-template-columns: 1fr;
      }
      .services-grid, .solutions-grid, .cases-grid, .testimonials-grid, .token-grid {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .training-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stats-container {
        grid-template-columns: repeat(2, 1fr);
      }
    }