/* 全局重置与变量定义 */
    :root {
      --primary-color: #FFD200;      /* 鲜黄 */
      --primary-dark: #E6B800;       /* 深黄 */
      --primary-light: #FFF8D6;      /* 浅明黄 */
      --text-main: #1A1A1A;          /* 深灰正文 */
      --text-muted: #666666;        /* 辅助正文 */
      --bg-white: #FFFFFF;
      --bg-light: #FAF9F6;           /* 暖灰米白背景 */
      --bg-dark: #121212;            /* 纯深色 */
      --border-color: #EAEAEA;
      --max-width: 1200px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-light);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
    }

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

    /* 通用组件样式 */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-title-wrap {
      text-align: center;
      margin-bottom: 50px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      position: relative;
      display: inline-block;
      padding-bottom: 12px;
      color: var(--text-main);
    }

    .section-title::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 60px;
      height: 4px;
      background-color: var(--primary-color);
      border-radius: 2px;
    }

    .section-subtitle {
      font-size: 1rem;
      color: var(--text-muted);
      margin-top: 10px;
    }

    /* 按钮 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: 8px;
      border: none;
      cursor: pointer;
      text-decoration: none;
      transition: var(--transition);
    }

    .btn-primary {
      background-color: var(--primary-color);
      color: var(--text-main);
    }

    .btn-primary:hover {
      background-color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 4px 15px rgba(255, 210, 0, 0.4);
    }

    .btn-dark {
      background-color: var(--text-main);
      color: var(--bg-white);
    }

    .btn-dark:hover {
      background-color: #333333;
      transform: translateY(-2px);
    }

    /* 导航栏 */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.95);
      border-bottom: 1px solid var(--border-color);
      backdrop-filter: blur(10px);
    }

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

    .logo-area {
      display: flex;
      align-items: center;
      height: 40px;
    }

    .logo-area img {
      height: 100%;
      width: auto;
    }

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

    .nav-links a {
      text-decoration: none;
      color: var(--text-main);
      font-weight: 500;
      font-size: 0.95rem;
      transition: var(--transition);
    }

    .nav-links a:hover {
      color: var(--primary-dark);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
    }

    .nav-toggle span {
      display: block;
      width: 25px;
      height: 3px;
      background-color: var(--text-main);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 首屏 (Hero) - 严格无图片 */
    .hero-section {
      background: radial-gradient(circle at 10% 20%, rgb(255, 253, 240) 0%, rgb(250, 245, 210) 90.1%);
      padding: 100px 0;
      text-align: center;
    }

    .hero-badge {
      display: inline-block;
      padding: 6px 16px;
      background-color: var(--primary-light);
      border: 1px solid var(--primary-color);
      color: #997300;
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 50px;
      margin-bottom: 20px;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.2;
      margin-bottom: 24px;
      letter-spacing: -0.5px;
    }

    .hero-title span {
      background: linear-gradient(135deg, var(--text-main) 0%, #d4a000 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.2rem;
      color: var(--text-muted);
      max-width: 800px;
      margin: 0 auto 36px auto;
    }

    .hero-btns {
      display: flex;
      justify-content: center;
      gap: 15px;
      margin-bottom: 40px;
    }

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

    .stat-card {
      background-color: var(--bg-white);
      border: 1px solid var(--border-color);
      padding: 24px;
      border-radius: 12px;
      box-shadow: 0 4px 6px rgba(0,0,0,0.02);
      transition: var(--transition);
    }

    .stat-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 12px 20px rgba(0,0,0,0.05);
      border-color: var(--primary-color);
    }

    .stat-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .stat-num span {
      color: var(--primary-dark);
    }

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

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

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

    .about-text h3 {
      font-size: 1.8rem;
      margin-bottom: 20px;
      font-weight: 700;
    }

    .about-text p {
      color: var(--text-muted);
      margin-bottom: 20px;
      font-size: 1rem;
    }

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

    .highlight-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
      font-weight: 600;
    }

    .highlight-list li svg {
      color: var(--primary-dark);
      flex-shrink: 0;
    }

    /* 服务能力卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .service-card {
      background-color: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 35px 25px;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

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

    .service-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 15px 30px rgba(0,0,0,0.06);
      border-color: var(--primary-color);
    }

    .service-card:hover::before {
      background-color: var(--primary-color);
    }

    .service-icon {
      width: 50px;
      height: 50px;
      background-color: var(--primary-light);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: #b38600;
    }

    .service-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
    }

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

    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .service-tag {
      background-color: var(--bg-light);
      padding: 4px 8px;
      font-size: 0.75rem;
      border-radius: 4px;
      color: var(--text-muted);
    }

    /* 一站式AIGC制作 & 解决方案 */
    .solution-section {
      background-color: var(--bg-white);
    }

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

    .solution-content {
      padding-right: 20px;
    }

    .solution-item {
      display: flex;
      gap: 20px;
      margin-bottom: 30px;
    }

    .solution-num {
      width: 40px;
      height: 40px;
      background-color: var(--primary-color);
      color: var(--text-main);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
    }

    .solution-info h4 {
      font-size: 1.15rem;
      margin-bottom: 8px;
    }

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

    /* 流程步骤 */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .process-card {
      background-color: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px;
      text-align: center;
      position: relative;
    }

    .process-step {
      position: absolute;
      top: -15px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--text-main);
      color: var(--primary-color);
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 20px;
    }

    .process-icon {
      font-size: 2rem;
      margin: 15px 0;
    }

    .process-name {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

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

    /* 技术标准 / 平台支撑列表 */
    .tech-section {
      background-color: var(--bg-white);
    }

    .tech-badges-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      max-width: 900px;
      margin: 0 auto;
    }

    .tech-badge {
      background-color: var(--bg-light);
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: 8px;
      font-size: 0.9rem;
      font-weight: 500;
      transition: var(--transition);
    }

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

    /* 案例展示区 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

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

    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    }

    .case-img-box {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background-color: #eaeaea;
    }

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

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

    .case-body {
      padding: 20px;
    }

    .case-cat {
      font-size: 0.75rem;
      color: #997300;
      background-color: var(--primary-light);
      display: inline-block;
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 10px;
      font-weight: 600;
    }

    .case-title {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

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

    /* 对比评测板块 */
    .compare-section {
      background-color: var(--bg-white);
    }

    .rating-summary {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 30px;
      background-color: var(--bg-light);
      padding: 30px;
      border-radius: 12px;
      border: 1px dashed var(--primary-color);
      max-width: 600px;
      margin: 0 auto 40px auto;
    }

    .score-circle {
      width: 100px;
      height: 100px;
      border-radius: 50%;
      background-color: var(--primary-color);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: var(--text-main);
    }

    .score-circle .big-score {
      font-size: 2.2rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-circle .max-score {
      font-size: 0.75rem;
      opacity: 0.8;
    }

    .rating-info h4 {
      font-size: 1.25rem;
      margin-bottom: 5px;
    }

    .rating-stars {
      color: #ffaa00;
      font-size: 1.2rem;
      margin-bottom: 5px;
    }

    /* 表格容器响应式 */
    .table-container {
      width: 100%;
      overflow-x: auto;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      background-color: var(--bg-white);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 800px;
    }

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

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

    .compare-table tr:hover {
      background-color: #fffdf5;
    }

    .highlight-col {
      background-color: rgba(255, 210, 0, 0.05);
      font-weight: 600;
    }

    /* 培训板块 */
    .training-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .train-card {
      background-color: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .train-card h3 {
      font-size: 1.4rem;
      margin-bottom: 15px;
      border-left: 4px solid var(--primary-color);
      padding-left: 10px;
    }

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

    .train-list li {
      margin-bottom: 12px;
      padding-left: 20px;
      position: relative;
    }

    .train-list li::before {
      content: '✓';
      position: absolute;
      left: 0;
      color: green;
      font-weight: bold;
    }

    /* 全国服务网络 & 加盟代理 */
    .network-section {
      background-color: var(--bg-white);
      background-image: radial-gradient(rgba(0, 0, 0, 0.02) 1px, transparent 0);
      background-size: 20px 20px;
    }

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

    .map-placeholder {
      background-color: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 40px;
      text-align: center;
    }

    .map-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 20px;
    }

    .map-tag {
      background-color: var(--bg-white);
      border: 1px solid var(--border-color);
      padding: 6px 12px;
      border-radius: 20px;
      font-size: 0.8rem;
    }

    /* Token比价与计算器 */
    .token-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 30px;
    }

    .calculator-box {
      background-color: var(--bg-white);
      border: 1px solid var(--border-color);
      padding: 30px;
      border-radius: 12px;
    }

    .calc-row {
      margin-bottom: 20px;
    }

    .calc-row label {
      display: block;
      margin-bottom: 8px;
      font-weight: 600;
    }

    .calc-row select, .calc-row input {
      width: 100%;
      padding: 10px;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      font-size: 1rem;
    }

    .calc-result {
      background-color: var(--primary-light);
      padding: 15px;
      border-radius: 8px;
      text-align: center;
      margin-top: 20px;
    }

    .calc-result span {
      font-size: 1.5rem;
      font-weight: 800;
      color: #997300;
    }

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

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

    .review-card {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      padding: 25px;
      border-radius: 12px;
      position: relative;
    }

    .review-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 15px;
    }

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

    .review-user-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
    }

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

    .review-content {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* FAQ折叠面板 & 术语百科 & 自助排查 */
    .faq-container {
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      background-color: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      margin-bottom: 12px;
      overflow: hidden;
    }

    .faq-question {
      padding: 18px 24px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background-color: var(--bg-white);
      transition: var(--transition);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      padding: 0 24px;
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    .faq-item.active .faq-answer {
      max-height: 1000px;
      padding: 18px 24px;
      border-top: 1px solid var(--border-color);
    }

    .faq-question::after {
      content: '+';
      font-size: 1.5rem;
      line-height: 1;
      transition: transform 0.3s;
    }

    .faq-item.active .faq-question::after {
      content: '−';
    }

    /* 自助排查交互区 */
    .troubleshoot-box {
      background-color: var(--bg-white);
      border: 1px solid var(--border-color);
      padding: 30px;
      border-radius: 12px;
      margin-top: 50px;
    }

    .troubleshoot-tabs {
      display: flex;
      gap: 10px;
      margin-bottom: 20px;
      flex-wrap: wrap;
    }

    .ts-tab {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: 6px;
      cursor: pointer;
      font-size: 0.85rem;
    }

    .ts-tab.active {
      background: var(--primary-color);
      border-color: var(--primary-color);
      font-weight: 600;
    }

    .ts-content {
      display: none;
      padding: 15px;
      background: var(--bg-light);
      border-radius: 6px;
      font-size: 0.9rem;
    }

    .ts-content.active {
      display: block;
    }

    /* 资讯知识库 & 最新文章 */
    .news-section {
      background-color: var(--bg-white);
    }

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

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

    .article-card {
      display: flex;
      gap: 20px;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 20px;
    }

    .article-card:last-child {
      border-bottom: none;
    }

    .article-info h4 {
      font-size: 1.1rem;
      margin-bottom: 8px;
    }

    .article-info h4 a {
      color: var(--text-main);
      text-decoration: none;
      transition: var(--transition);
    }

    .article-info h4 a:hover {
      color: var(--primary-dark);
    }

    .article-meta {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    .wiki-box {
      background-color: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px;
    }

    .wiki-box h4 {
      margin-bottom: 15px;
      font-size: 1.1rem;
    }

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

    .wiki-list li {
      margin-bottom: 12px;
      font-size: 0.85rem;
      border-bottom: 1px dashed var(--border-color);
      padding-bottom: 8px;
    }

    .wiki-term {
      font-weight: 700;
      color: #997300;
    }

    /* 需求匹配表单与联系我们 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
    }

    .form-wrapper {
      background-color: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 40px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.02);
    }

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

    .form-group label {
      display: block;
      margin-bottom: 6px;
      font-weight: 600;
      font-size: 0.9rem;
    }

    .form-group input, .form-group select, .form-group textarea {
      width: 100%;
      padding: 12px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 0.95rem;
      transition: var(--transition);
    }

    .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
      outline: none;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px var(--primary-light);
    }

    .contact-details {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .contact-info-item {
      display: flex;
      align-items: center;
      gap: 15px;
      margin-bottom: 25px;
    }

    .contact-icon {
      width: 45px;
      height: 45px;
      background-color: var(--primary-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
    }

    .qr-container {
      display: flex;
      gap: 30px;
      margin-top: 30px;
    }

    .qr-item {
      text-align: center;
      font-size: 0.8rem;
    }

    .qr-item img {
      width: 120px;
      height: 120px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      margin-bottom: 8px;
    }

    /* 页脚 */
    footer {
      background-color: var(--bg-dark);
      color: #999999;
      padding: 60px 0 30px 0;
      font-size: 0.85rem;
      border-top: 4px solid var(--primary-color);
    }

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

    .footer-col h4 {
      color: var(--bg-white);
      margin-bottom: 20px;
      font-size: 1rem;
    }

    .footer-col ul {
      list-style: none;
    }

    .footer-col ul li {
      margin-bottom: 10px;
    }

    .footer-col ul li a {
      color: #999999;
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-col ul li a:hover {
      color: var(--primary-color);
    }

    .footer-bottom {
      border-top: 1px solid #222222;
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 15px;
    }

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

    .friend-links a {
      color: #777777;
      text-decoration: none;
      transition: var(--transition);
    }

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

    /* 浮动组件 */
    .float-panel {
      position: fixed;
      right: 20px;
      bottom: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      background-color: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0,0,0,0.1);
      transition: var(--transition);
      position: relative;
    }

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

    .float-qr {
      position: absolute;
      right: 60px;
      bottom: 0;
      background-color: var(--bg-white);
      padding: 15px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.1);
      display: none;
      text-align: center;
    }

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

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

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .stats-container { grid-template-columns: repeat(2, 1fr); }
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .process-grid { grid-template-columns: repeat(2, 1fr); }
      .case-grid { grid-template-columns: repeat(2, 1fr); }
      .training-grid { grid-template-columns: 1fr; }
      .token-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        border-top: 1px solid var(--border-color);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-toggle {
        display: block;
      }
      .about-grid, .solution-grid, .network-grid, .contact-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .hero-title { font-size: 2.2rem; }
      .stats-container { grid-template-columns: 1fr; }
      .services-grid { grid-template-columns: 1fr; }
      .process-grid { grid-template-columns: 1fr; }
      .case-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
    }