/* CSS Reset & Variables */
    :root {
      --primary-color: #ff5722;      /* 炽热橙 */
      --primary-hover: #e64a19;      /* 深橙 */
      --secondary-color: #ff9800;    /* 亮金橙 */
      --dark-color: #1e1e24;         /* 深灰色背景/文字 */
      --light-color: #f7f9fc;        /* 页面浅灰底色 */
      --white-color: #ffffff;
      --text-main: #2b2b2b;          /* 主要文字 */
      --text-muted: #666666;         /* 辅助文字 */
      --border-color: #e0e0e0;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
      --shadow-md: 0 8px 24px rgba(255, 87, 34, 0.08);
      --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.1);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--light-color);
    }

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

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

    /* Section Global Styling */
    section {
      padding: 80px 0;
      position: relative;
    }
    
    .section-light {
      background-color: var(--white-color);
    }

    .section-gray {
      background-color: var(--light-color);
    }

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

    .section-title-wrap h2 {
      font-size: 2.2rem;
      color: var(--dark-color);
      margin-bottom: 15px;
      position: relative;
      display: inline-block;
    }

    .section-title-wrap h2::after {
      content: '';
      position: absolute;
      bottom: -8px;
      left: 50%;
      transform: translateX(-50%);
      width: 60px;
      height: 4px;
      background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
      border-radius: 2px;
    }

    .section-subtitle {
      font-size: 1.1rem;
      color: var(--text-muted);
      max-width: 700px;
      margin: 0 auto;
    }

    /* Button Styles */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: 50px;
      transition: var(--transition);
      cursor: pointer;
      text-decoration: none;
      border: none;
      outline: none;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
      color: var(--white-color);
      box-shadow: 0 4px 15px rgba(255, 87, 34, 0.3);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 87, 34, 0.4);
      background: linear-gradient(135deg, var(--primary-hover), var(--primary-color));
    }

    .btn-secondary {
      background-color: var(--white-color);
      color: var(--primary-color);
      border: 2px solid var(--primary-color);
    }

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

    /* Header & Navigation */
    header {
      background-color: rgba(255, 255, 255, 0.95);
      box-shadow: var(--shadow-sm);
      position: sticky;
      top: 0;
      z-index: 1000;
      backdrop-filter: blur(10px);
    }

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

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

    .ai-page-logo {
      height: 48px;
      width: auto;
      display: block;
    }

    .brand-name {
      font-size: 1.5rem;
      font-weight: 800;
      background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .nav-menu {
      display: flex;
      list-style: none;
      gap: 20px;
    }

    .nav-link {
      text-decoration: none;
      color: var(--text-main);
      font-weight: 550;
      font-size: 0.95rem;
      transition: var(--transition);
      padding: 8px 12px;
      border-radius: 4px;
    }

    .nav-link:hover, .nav-link.active {
      color: var(--primary-color);
      background-color: rgba(255, 87, 34, 0.05);
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.8rem;
      cursor: pointer;
      color: var(--dark-color);
    }

    /* Hero Section (No Image, Text & Gradients Only) */
    #hero {
      background: radial-gradient(circle at 80% 20%, rgba(255, 152, 0, 0.1) 0%, rgba(255, 87, 34, 0.05) 50%, rgba(247, 249, 258, 1) 100%);
      padding: 100px 0 80px 0;
      text-align: center;
    }

    .hero-content {
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-tag {
      display: inline-block;
      background-color: rgba(255, 87, 34, 0.1);
      color: var(--primary-color);
      padding: 6px 16px;
      border-radius: 50px;
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 25px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    /* H1 limits: <20 chars, dynamic & clean */
    .hero-title {
      font-size: 3rem;
      line-height: 1.25;
      font-weight: 800;
      color: var(--dark-color);
      margin-bottom: 25px;
    }

    .hero-title span {
      background: linear-gradient(120deg, var(--primary-color), var(--secondary-color));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.25rem;
      color: var(--text-muted);
      margin-bottom: 40px;
      line-height: 1.8;
    }

    .hero-btns {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-bottom: 50px;
      flex-wrap: wrap;
    }

    .btn-hero-official {
      background: linear-gradient(135deg, #ff4500, #ff8c00);
      color: #fff;
      font-size: 1.1rem;
      padding: 14px 36px;
      box-shadow: 0 10px 25px rgba(255, 69, 0, 0.4);
    }

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

    /* Stats Grid */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 30px;
    }

    .stat-card {
      background-color: var(--white-color);
      padding: 25px 15px;
      border-radius: 12px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      border-top: 4px solid var(--primary-color);
    }

    .stat-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }

    .stat-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary-color);
      margin-bottom: 5px;
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 550;
    }

    /* About Section & Platform Info */
    .about-layout {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

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

    .about-text p {
      color: var(--text-muted);
      margin-bottom: 20px;
      font-size: 1.05rem;
    }

    .platform-features {
      list-style: none;
    }

    .platform-features li {
      margin-bottom: 15px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 1rem;
    }

    .platform-features li::before {
      content: '✓';
      color: var(--primary-color);
      font-weight: bold;
      font-size: 1.2rem;
      line-height: 1;
    }

    .about-visual {
      background: linear-gradient(135deg, rgba(255, 87, 34, 0.05), rgba(255, 152, 0, 0.15));
      border-radius: 20px;
      padding: 40px;
      border: 1px solid rgba(255, 87, 34, 0.1);
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .bullet-point {
      background-color: var(--white-color);
      padding: 15px;
      border-radius: 8px;
      box-shadow: var(--shadow-sm);
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .bullet-icon {
      width: 40px;
      height: 40px;
      background-color: rgba(255, 87, 34, 0.1);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      font-weight: bold;
    }

    /* Services Grid */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
    }

    .service-card {
      background-color: var(--white-color);
      padding: 35px 25px;
      border-radius: 16px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      border: 1px solid rgba(0,0,0,0.03);
      position: relative;
      overflow: hidden;
    }

    .service-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
      transform: scaleX(0);
      transform-origin: left;
      transition: var(--transition);
    }

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

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

    .service-icon {
      font-size: 2.5rem;
      margin-bottom: 20px;
      display: inline-block;
    }

    .service-card h3 {
      font-size: 1.4rem;
      margin-bottom: 15px;
      color: var(--dark-color);
    }

    .service-card p {
      color: var(--text-muted);
      font-size: 0.95rem;
      margin-bottom: 15px;
    }

    .model-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 15px;
    }

    .model-tag {
      background-color: var(--light-color);
      color: var(--text-main);
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 550;
    }

    /* Brand Cloud (Supported AIs) */
    .brand-cloud-wrap {
      margin-top: 40px;
      padding: 20px;
      background-color: var(--light-color);
      border-radius: 12px;
      text-align: center;
    }

    .brand-cloud-title {
      font-size: 1rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      font-weight: 600;
    }

    .brand-tags {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }

    .brand-tag {
      background-color: var(--white-color);
      padding: 6px 12px;
      border-radius: 6px;
      font-size: 0.85rem;
      font-weight: 550;
      color: var(--dark-color);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

    .process-step {
      background-color: var(--white-color);
      padding: 30px 20px;
      border-radius: 12px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      z-index: 2;
    }

    .step-num {
      width: 45px;
      height: 45px;
      background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
      color: var(--white-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 1.2rem;
      margin: 0 auto 20px auto;
      box-shadow: 0 4px 10px rgba(255, 87, 34, 0.2);
    }

    .process-step h4 {
      font-size: 1.2rem;
      margin-bottom: 10px;
      color: var(--dark-color);
    }

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

    /* Industry Solutions & Service Network Grid */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .solution-card {
      background-color: var(--white-color);
      border-radius: 12px;
      padding: 25px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      border-left: 5px solid var(--secondary-color);
    }

    .solution-card:hover {
      transform: translateX(5px);
      box-shadow: var(--shadow-md);
    }

    .solution-card h3 {
      font-size: 1.25rem;
      color: var(--dark-color);
      margin-bottom: 12px;
    }

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

    /* Network Map Area */
    .network-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      margin-top: 50px;
      align-items: center;
    }

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

    .network-item {
      display: flex;
      gap: 15px;
    }

    .network-title {
      font-weight: bold;
      color: var(--dark-color);
    }

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

    .network-map-mock {
      background: radial-gradient(circle, rgba(255,87,34,0.1) 0%, rgba(255,255,255,0) 70%);
      border: 1px dashed var(--primary-color);
      border-radius: 12px;
      padding: 50px;
      text-align: center;
      position: relative;
    }

    .map-dot {
      position: absolute;
      width: 10px;
      height: 10px;
      background-color: var(--primary-color);
      border-radius: 50%;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(1); opacity: 1; }
      50% { transform: scale(2.5); opacity: 0; }
      100% { transform: scale(1); opacity: 0; }
    }

    /* Case Studies - Media display requirements */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

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

    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
    }

    .case-img-container {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16/9;
      background-color: #eee;
    }

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

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

    .case-badge {
      position: absolute;
      top: 15px;
      left: 15px;
      background-color: var(--primary-color);
      color: var(--white-color);
      padding: 4px 10px;
      font-size: 0.75rem;
      font-weight: bold;
      border-radius: 4px;
    }

    .case-info {
      padding: 20px;
    }

    .case-info h4 {
      font-size: 1.15rem;
      margin-bottom: 10px;
      color: var(--dark-color);
    }

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

    /* Evaluation Table */
    .evaluation-card {
      background-color: var(--white-color);
      border-radius: 16px;
      padding: 40px;
      box-shadow: var(--shadow-md);
      border-top: 5px solid var(--primary-color);
    }

    .eval-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 2px solid var(--border-color);
      padding-bottom: 25px;
      margin-bottom: 25px;
      flex-wrap: wrap;
      gap: 20px;
    }

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

    .eval-score-num {
      font-size: 3.5rem;
      font-weight: 800;
      color: var(--primary-color);
      line-height: 1;
    }

    .eval-score-stars {
      color: #ffc107;
      font-size: 1.5rem;
    }

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

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

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

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

    .eval-table tr:hover {
      background-color: rgba(255, 87, 34, 0.02);
    }

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

    /* Token Price list */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
      margin-bottom: 30px;
    }

    .token-card {
      background-color: var(--white-color);
      border-radius: 12px;
      padding: 25px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      border: 1px solid var(--border-color);
    }

    .token-price {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary-color);
      margin: 15px 0;
    }

    .token-price span {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: normal;
    }

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

    .course-card {
      background-color: var(--white-color);
      border-radius: 12px;
      padding: 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      border-bottom: 4px solid var(--secondary-color);
    }

    .course-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }

    .course-icon {
      font-size: 2.2rem;
      margin-bottom: 15px;
      display: block;
    }

    .course-card h4 {
      font-size: 1rem;
      color: var(--dark-color);
      margin-bottom: 10px;
    }

    .course-card p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* FAQ Accordion */
    .faq-container {
      max-width: 800px;
      margin: 0 auto;
    }

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

    .faq-question {
      padding: 20px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      color: var(--dark-color);
    }

    .faq-question::after {
      content: '+';
      font-size: 1.5rem;
      color: var(--primary-color);
      transition: var(--transition);
    }

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

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

    .faq-answer-content {
      padding: 20px;
      font-size: 0.95rem;
      color: var(--text-muted);
      border-top: 1px solid var(--border-color);
    }

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

    .review-card {
      background-color: var(--white-color);
      border-radius: 12px;
      padding: 30px;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

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

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

    .user-avatar-placeholder {
      width: 45px;
      height: 45px;
      background-color: rgba(255, 87, 34, 0.1);
      color: var(--primary-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
    }

    .user-info h5 {
      font-size: 0.95rem;
      color: var(--dark-color);
    }

    .user-info span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* Articles Section */
    .articles-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .article-item-card {
      background: var(--white-color);
      border-radius: 12px;
      padding: 25px;
      box-shadow: var(--shadow-sm);
      border-left: 4px solid var(--primary-color);
      transition: var(--transition);
    }

    .article-item-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .article-title-link {
      font-size: 1.1rem;
      color: var(--dark-color);
      text-decoration: none;
      font-weight: bold;
      display: block;
      margin-bottom: 12px;
      transition: var(--transition);
    }

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

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

    /* Demand Match & Form */
    .contact-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
    }

    .form-wrapper {
      background-color: var(--white-color);
      padding: 40px;
      border-radius: 16px;
      box-shadow: var(--shadow-lg);
    }

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

    .form-group label {
      display: block;
      margin-bottom: 8px;
      font-weight: 600;
      color: var(--dark-color);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 0.95rem;
      transition: var(--transition);
      background-color: var(--light-color);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary-color);
      background-color: var(--white-color);
      box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.15);
    }

    .contact-info-panel {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-details {
      display: flex;
      flex-direction: column;
      gap: 25px;
    }

    .contact-row {
      display: flex;
      gap: 15px;
      align-items: flex-start;
    }

    .contact-icon {
      font-size: 1.5rem;
      color: var(--primary-color);
    }

    .contact-text h4 {
      font-size: 1.1rem;
      color: var(--dark-color);
      margin-bottom: 5px;
    }

    .contact-text p, .contact-text a {
      color: var(--text-muted);
      font-size: 0.95rem;
      text-decoration: none;
    }

    .qrcode-area {
      display: flex;
      gap: 30px;
      align-items: center;
      margin-top: 30px;
      background: var(--white-color);
      padding: 20px;
      border-radius: 12px;
      box-shadow: var(--shadow-sm);
    }

    .qrcode-box {
      width: 120px;
      height: 120px;
      background-color: #eee;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

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

    /* Footer & Partners */
    footer {
      background-color: var(--dark-color);
      color: #9da3ad;
      padding: 60px 0 30px 0;
      font-size: 0.9rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      border-bottom: 1px solid #2d2d35;
      padding-bottom: 40px;
      margin-bottom: 30px;
    }

    .footer-col h4 {
      color: var(--white-color);
      font-size: 1.1rem;
      margin-bottom: 20px;
      position: relative;
    }

    .footer-col h4::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 0;
      width: 30px;
      height: 2px;
      background-color: var(--primary-color);
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-col ul a {
      color: #9da3ad;
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-col ul a:hover {
      color: var(--primary-color);
      padding-left: 5px;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
      font-size: 0.85rem;
    }

    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 15px;
      margin-top: 15px;
      padding-top: 15px;
      border-top: 1px solid #2d2d35;
    }

    .friend-links a {
      color: #9da3ad;
      text-decoration: none;
      transition: var(--transition);
    }

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

    .ai-page-home-link {
      color: var(--primary-color);
      text-decoration: none;
      font-weight: bold;
    }

    /* Floating Widget */
    .floating-widget {
      position: fixed;
      right: 25px;
      bottom: 25px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .widget-btn {
      width: 55px;
      height: 55px;
      background-color: var(--white-color);
      border-radius: 50%;
      box-shadow: var(--shadow-lg);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid rgba(255, 87, 34, 0.2);
      position: relative;
    }

    .widget-btn:hover {
      background-color: var(--primary-color);
      color: var(--white-color);
      transform: translateY(-3px);
    }

    .widget-btn svg {
      width: 25px;
      height: 25px;
      fill: currentColor;
    }

    .widget-btn .tooltip {
      position: absolute;
      right: 70px;
      background-color: var(--dark-color);
      color: var(--white-color);
      padding: 8px 12px;
      border-radius: 4px;
      font-size: 0.8rem;
      white-space: nowrap;
      opacity: 0;
      pointer-events: none;
      transition: var(--transition);
      box-shadow: var(--shadow-md);
    }

    .widget-btn:hover .tooltip {
      opacity: 1;
      right: 65px;
    }

    .qrcode-hover-box {
      position: absolute;
      right: 70px;
      bottom: 0;
      background-color: var(--white-color);
      padding: 15px;
      border-radius: 8px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      display: none;
      text-align: center;
      color: var(--dark-color);
    }

    .widget-btn:hover .qrcode-hover-box {
      display: block;
    }

    .qrcode-hover-box img {
      width: 120px;
      height: 120px;
      display: block;
      margin-bottom: 5px;
    }

    /* Responsive Grid Adjustments */
    @media (max-width: 1024px) {
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .process-flow { grid-template-columns: repeat(2, 1fr); gap: 30px; }
      .solutions-grid { grid-template-columns: 1fr 1fr; }
      .cases-grid { grid-template-columns: 1fr 1fr; }
      .training-grid { grid-template-columns: repeat(3, 1fr); }
      .footer-grid { grid-template-columns: 1.2fr 1fr; }
    }

    @media (max-width: 768px) {
      .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--white-color);
        padding: 20px;
        box-shadow: var(--shadow-md);
        gap: 10px;
      }

      .nav-menu.active {
        display: flex;
      }

      .mobile-toggle {
        display: block;
      }

      .hero-title { font-size: 2.2rem; }
      .about-layout { grid-template-columns: 1fr; }
      .network-container { grid-template-columns: 1fr; }
      .solutions-grid { grid-template-columns: 1fr; }
      .cases-grid { grid-template-columns: 1fr; }
      .token-grid { grid-template-columns: 1fr; }
      .training-grid { grid-template-columns: repeat(2, 1fr); }
      .reviews-grid { grid-template-columns: 1fr; }
      .contact-layout { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .nav-cta { display: none; }
    }