/* CSS Reset */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
      background-color: #fcfaff;
      color: #1f1b29;
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    /* Typography & Visual Styles (亮紫绚烂风) */
    :root {
      --primary: #7c3aed;
      --primary-hover: #6d28d9;
      --secondary: #db2777;
      --accent: #a78bfa;
      --bg-light: #f5f0fa;
      --text-dark: #1e1b4b;
      --text-muted: #6b7280;
      --shadow-sm: 0 2px 8px rgba(124, 58, 237, 0.08);
      --shadow-md: 0 8px 24px rgba(124, 58, 237, 0.12);
      --shadow-lg: 0 16px 48px rgba(124, 58, 237, 0.16);
      --transition: all 0.3s ease;
    }

    h1, h2, h3, h4, h5, h6 {
      color: var(--text-dark);
      font-weight: 700;
      line-height: 1.3;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: var(--transition);
    }
    a:hover {
      color: var(--secondary);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: 9999px;
      transition: var(--transition);
      cursor: pointer;
      border: none;
      text-align: center;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      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);
      color: #fff;
    }
    .btn-outline {
      background: transparent;
      border: 2px solid var(--primary);
      color: var(--primary);
    }
    .btn-outline:hover {
      background: var(--bg-light);
      transform: translateY(-2px);
    }

    /* Common Section Styles */
    section {
      padding: 80px 0;
      position: relative;
    }
    .section-title-wrap {
      text-align: center;
      margin-bottom: 50px;
    }
    .section-title {
      font-size: 2.2rem;
      margin-bottom: 15px;
      position: relative;
      display: inline-block;
      color: var(--text-dark);
    }
    .section-title::after {
      content: '';
      display: block;
      width: 50px;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      margin: 10px auto 0;
      border-radius: 2px;
    }
    .section-subtitle {
      color: var(--text-muted);
      font-size: 1.1rem;
      max-width: 600px;
      margin: 0 auto;
    }

    /* Header & Navigation */
    header {
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(10px);
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: var(--shadow-sm);
      border-bottom: 1px solid rgba(124, 58, 237, 0.1);
    }
    .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: 45px;
      object-fit: contain;
    }
    .logo-text {
      font-size: 1.4rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .nav-menu {
      display: flex;
      list-style: none;
      align-items: center;
    }
    .nav-item a {
      color: var(--text-dark);
      font-weight: 500;
      font-size: 0.95rem;
      padding: 8px 12px;
      border-radius: 6px;
    }
    .nav-item a:hover {
      color: var(--primary);
      background: var(--bg-light);
    }
    .nav-btn-wrap {
      display: flex;
      align-items: center;
      gap: 15px;
    }
    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 6px;
      cursor: pointer;
      background: none;
      border: none;
    }
    .menu-toggle span {
      width: 25px;
      height: 3px;
      background-color: var(--primary);
      transition: var(--transition);
    }

    /* Hero Section (No Image, Purple Glow Theme) */
    .hero-section {
      padding: 120px 0 100px 0;
      background: radial-gradient(circle at 80% 20%, rgba(167, 139, 250, 0.15), transparent 50%),
                  radial-gradient(circle at 10% 80%, rgba(219, 39, 119, 0.1), transparent 50%),
                  #ffffff;
      text-align: center;
      position: relative;
    }
    .hero-h1 {
      font-size: 3rem;
      max-width: 900px;
      margin: 0 auto 20px;
      line-height: 1.25;
      background: linear-gradient(135deg, var(--text-dark) 40%, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-p {
      font-size: 1.25rem;
      color: var(--text-muted);
      max-width: 800px;
      margin: 0 auto 40px;
    }
    .hero-cta {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-bottom: 50px;
      flex-wrap: wrap;
    }
    .hero-badge-container {
      display: flex;
      justify-content: center;
      gap: 15px;
      flex-wrap: wrap;
    }
    .hero-badge {
      background: rgba(124, 58, 237, 0.08);
      border: 1px solid rgba(124, 58, 237, 0.15);
      padding: 6px 16px;
      border-radius: 9999px;
      font-size: 0.85rem;
      color: var(--primary);
      font-weight: 500;
    }

    /* Stats Cards */
    .stats-section {
      background-color: #ffffff;
      padding: 50px 0;
      border-top: 1px solid rgba(124, 58, 237, 0.08);
      border-bottom: 1px solid rgba(124, 58, 237, 0.08);
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 30px;
      text-align: center;
    }
    .stat-card {
      padding: 20px;
      background: #ffffff;
      border-radius: 12px;
      box-shadow: var(--shadow-sm);
      border: 1px solid rgba(124, 58, 237, 0.05);
      transition: var(--transition);
    }
    .stat-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }
    .stat-val {
      font-size: 2.5rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 8px;
    }
    .stat-lbl {
      color: var(--text-dark);
      font-weight: 600;
      font-size: 1rem;
    }
    .stat-desc {
      color: var(--text-muted);
      font-size: 0.85rem;
      margin-top: 4px;
    }

    /* About Us & Platform Intro */
    .about-section {
      background-color: #ffffff;
    }
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }
    .about-content h3 {
      font-size: 1.8rem;
      margin-bottom: 20px;
    }
    .about-content p {
      color: var(--text-muted);
      margin-bottom: 15px;
      font-size: 1.05rem;
      text-align: justify;
    }
    .about-features {
      margin-top: 30px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 15px;
    }
    .about-feat-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 500;
      font-size: 0.95rem;
    }
    .about-feat-item svg {
      color: var(--secondary);
      flex-shrink: 0;
    }
    .about-image-wrap {
      position: relative;
      border-radius: 24px;
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }
    .ai-page-image {
      display: block;
      width: 100%;
      height: auto;
      object-fit: cover;
      transition: var(--transition);
    }
    .about-image-wrap:hover .ai-page-image {
      transform: scale(1.05);
    }

    /* Services能力卡片 &一站式制作 */
    .services-section {
      background-color: var(--bg-light);
    }
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 30px;
    }
    .service-card {
      background: #ffffff;
      border-radius: 20px;
      padding: 40px 30px;
      box-shadow: var(--shadow-sm);
      border: 1px solid rgba(124, 58, 237, 0.05);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .service-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-lg);
    }
    .service-header {
      margin-bottom: 20px;
    }
    .service-icon {
      width: 60px;
      height: 60px;
      background: var(--bg-light);
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      margin-bottom: 20px;
    }
    .service-title {
      font-size: 1.4rem;
      margin-bottom: 12px;
    }
    .service-desc {
      color: var(--text-muted);
      font-size: 0.95rem;
      text-align: justify;
      margin-bottom: 20px;
    }
    .service-img {
      width: 100%;
      border-radius: 12px;
      margin-bottom: 20px;
      object-fit: cover;
      aspect-ratio: 16/9;
    }
    .service-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }
    .service-tag {
      background: rgba(124, 58, 237, 0.05);
      color: var(--primary);
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 500;
    }

    /* All AI Platforms Tags */
    .platforms-section {
      background-color: #ffffff;
      text-align: center;
    }
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      max-width: 950px;
      margin: 0 auto;
    }
    .tag-cloud-item {
      background: #ffffff;
      border: 1px solid rgba(124, 58, 237, 0.15);
      color: var(--text-dark);
      padding: 8px 18px;
      border-radius: 9999px;
      font-size: 0.9rem;
      font-weight: 500;
      transition: var(--transition);
    }
    .tag-cloud-item:hover {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #ffffff;
      border-color: transparent;
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(124, 58, 237, 0.2);
    }

    /* Flow & Tech Standards (步骤和标准) */
    .flow-section {
      background-color: var(--bg-light);
    }
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 30px;
      position: relative;
    }
    .step-card {
      background: #ffffff;
      border-radius: 16px;
      padding: 30px 20px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }
    .step-num {
      width: 45px;
      height: 45px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #ffffff;
      font-size: 1.25rem;
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
    }
    .step-title {
      font-size: 1.2rem;
      margin-bottom: 10px;
    }
    .step-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* Training & Certifications (职业培训) */
    .training-section {
      background-color: #ffffff;
    }
    .training-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 30px;
    }
    .training-card {
      background: #fdfcff;
      border: 1px solid rgba(124, 58, 237, 0.1);
      border-radius: 20px;
      padding: 40px 30px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .training-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-5px);
    }
    .training-badge {
      display: inline-block;
      background: var(--secondary);
      color: #ffffff;
      padding: 4px 12px;
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 600;
      align-self: flex-start;
      margin-bottom: 20px;
    }
    .training-title {
      font-size: 1.3rem;
      margin-bottom: 12px;
      color: var(--text-dark);
    }
    .training-list {
      list-style: none;
      margin-bottom: 20px;
    }
    .training-list li {
      position: relative;
      padding-left: 20px;
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .training-list li::before {
      content: '✓';
      position: absolute;
      left: 0;
      color: var(--primary);
      font-weight: bold;
    }

    /* Comparison Section (对比评测) */
    .comparison-section {
      background-color: var(--bg-light);
    }
    .rating-banner {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #ffffff;
      padding: 30px;
      border-radius: 16px;
      text-align: center;
      margin-bottom: 40px;
      box-shadow: var(--shadow-md);
    }
    .rating-title {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .rating-stars {
      font-size: 2.2rem;
      color: #fbbf24;
      margin-bottom: 8px;
    }
    .rating-score {
      font-size: 1.2rem;
      font-weight: 500;
    }
    .rating-score span {
      font-size: 2.5rem;
      font-weight: 800;
    }
    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: 16px;
      box-shadow: var(--shadow-sm);
    }
    table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 700px;
    }
    th, td {
      padding: 18px 24px;
      border-bottom: 1px solid rgba(124, 58, 237, 0.08);
      font-size: 0.95rem;
    }
    th {
      background-color: rgba(124, 58, 237, 0.05);
      color: var(--text-dark);
      font-weight: 700;
    }
    tr:last-child td {
      border-bottom: none;
    }
    .feat-column {
      font-weight: 600;
      color: var(--text-dark);
    }
    .highlight-column {
      background-color: rgba(124, 58, 237, 0.02);
      font-weight: 500;
      color: var(--primary);
    }
    .status-check {
      color: #10b981;
      font-weight: bold;
    }
    .status-cross {
      color: #ef4444;
    }

    /* Token Price Reference (Token比价参考) */
    .token-section {
      background-color: #ffffff;
    }
    .token-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }
    .token-card {
      background: #fdfcff;
      border: 1px solid rgba(124, 58, 237, 0.1);
      border-radius: 16px;
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }
    .token-card h3 {
      font-size: 1.3rem;
      margin-bottom: 15px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .token-badge-hot {
      background: rgba(219, 39, 119, 0.1);
      color: var(--secondary);
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 4px;
    }
    .token-list-item {
      display: flex;
      justify-content: space-between;
      padding: 12px 0;
      border-bottom: 1px dashed rgba(124, 58, 237, 0.1);
      font-size: 0.9rem;
    }
    .token-list-item:last-child {
      border-bottom: none;
    }
    .token-price-val {
      font-weight: 700;
      color: var(--primary);
    }

    /* Testimonials (客户评论) */
    .testimonials-section {
      background-color: var(--bg-light);
    }
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 30px;
    }
    .testi-card {
      background: #ffffff;
      border-radius: 20px;
      padding: 35px 30px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
      border: 1px solid rgba(124, 58, 237, 0.05);
    }
    .testi-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }
    .testi-text {
      color: var(--text-dark);
      font-size: 0.95rem;
      line-height: 1.7;
      text-align: justify;
      margin-bottom: 20px;
    }
    .testi-profile {
      display: flex;
      align-items: center;
      gap: 15px;
      border-top: 1px solid rgba(124, 58, 237, 0.08);
      padding-top: 15px;
    }
    .testi-avatar {
      width: 48px;
      height: 48px;
      background: var(--bg-light);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .testi-info h4 {
      font-size: 0.95rem;
      margin-bottom: 2px;
    }
    .testi-info p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* FAQ (常见用户问题) */
    .faq-section {
      background-color: #ffffff;
    }
    .faq-wrap {
      max-width: 800px;
      margin: 0 auto;
    }
    .faq-item {
      border: 1px solid rgba(124, 58, 237, 0.1);
      border-radius: 12px;
      margin-bottom: 15px;
      overflow: hidden;
      transition: var(--transition);
      background: #ffffff;
    }
    .faq-header {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 600;
      color: var(--text-dark);
      transition: var(--transition);
      user-select: none;
    }
    .faq-header:hover {
      background-color: var(--bg-light);
    }
    .faq-icon-arrow {
      width: 12px;
      height: 12px;
      border-right: 2px solid var(--primary);
      border-bottom: 2px solid var(--primary);
      transform: rotate(45deg);
      transition: var(--transition);
    }
    .faq-item.active .faq-icon-arrow {
      transform: rotate(-135deg);
    }
    .faq-body {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
    }
    .faq-content {
      padding: 0 24px 20px 24px;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.7;
    }
    .faq-item.active .faq-body {
      max-height: 500px;
      transition: max-height 0.5s ease-in-out;
    }

    /* Terminology & Knowledge Base (术语百科与文章) */
    .knowledge-section {
      background-color: var(--bg-light);
    }
    .knowledge-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }
    .article-list {
      list-style: none;
    }
    .article-item {
      background: #ffffff;
      padding: 20px;
      border-radius: 12px;
      margin-bottom: 15px;
      box-shadow: var(--shadow-sm);
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: var(--transition);
    }
    .article-item:hover {
      transform: translateX(5px);
      box-shadow: var(--shadow-md);
    }
    .article-title {
      font-weight: 600;
      color: var(--text-dark);
      font-size: 0.95rem;
      max-width: 75%;
    }
    .article-date {
      font-size: 0.8rem;
      color: var(--text-muted);
    }
    .terms-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-content: flex-start;
    }
    .term-badge {
      background: rgba(124, 58, 237, 0.05);
      border: 1px solid rgba(124, 58, 237, 0.1);
      padding: 8px 15px;
      border-radius: 8px;
      font-size: 0.85rem;
      color: var(--primary);
      font-weight: 500;
    }

    /* Contact Us & Application Form (智能需求匹配 & 表单) */
    .contact-section {
      background-color: #ffffff;
    }
    .contact-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 50px;
    }
    .form-card {
      background: #fcfaff;
      border: 1px solid rgba(124, 58, 237, 0.1);
      border-radius: 20px;
      padding: 40px;
      box-shadow: var(--shadow-md);
    }
    .form-group {
      margin-bottom: 20px;
    }
    .form-label {
      display: block;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--text-dark);
      font-size: 0.9rem;
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid rgba(124, 58, 237, 0.15);
      border-radius: 8px;
      font-size: 0.95rem;
      transition: var(--transition);
      background-color: #ffffff;
    }
    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 120px;
    }
    .contact-info-card {
      background: linear-gradient(135deg, #1e1b4b, #312e81);
      color: #ffffff;
      border-radius: 20px;
      padding: 40px 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .contact-info-card h3 {
      color: #ffffff;
      font-size: 1.6rem;
      margin-bottom: 25px;
    }
    .contact-detail-list {
      list-style: none;
    }
    .contact-detail-item {
      display: flex;
      align-items: flex-start;
      gap: 15px;
      margin-bottom: 25px;
      font-size: 0.95rem;
    }
    .contact-detail-item svg {
      color: var(--accent);
      flex-shrink: 0;
      margin-top: 3px;
    }
    .contact-qr-area {
      text-align: center;
      margin-top: 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 30px;
    }
    .contact-qr-area img {
      max-width: 140px;
      border-radius: 12px;
      border: 4px solid rgba(255, 255, 255, 0.15);
      margin-bottom: 10px;
    }
    .contact-qr-title {
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.8);
    }

    /* Footer & Partners (页脚与友情链接) */
    footer {
      background-color: #0f0d1a;
      color: rgba(255, 255, 255, 0.7);
      padding: 60px 0 30px 0;
      font-size: 0.9rem;
      border-top: 3px solid var(--primary);
    }
    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 40px;
    }
    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.4rem;
      margin-bottom: 15px;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 20px;
      font-size: 0.85rem;
    }
    .footer-links h5 {
      color: #ffffff;
      font-size: 1rem;
      margin-bottom: 20px;
      position: relative;
    }
    .footer-links h5::after {
      content: '';
      display: block;
      width: 30px;
      height: 2px;
      background: var(--primary);
      margin-top: 8px;
    }
    .footer-links-list {
      list-style: none;
    }
    .footer-links-list li {
      margin-bottom: 12px;
    }
    .footer-links-list a {
      color: rgba(255, 255, 255, 0.6);
    }
    .footer-links-list a:hover {
      color: #ffffff;
      padding-left: 4px;
    }
    .footer-friends {
      grid-column: 1 / -1;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 20px;
    }
    .footer-friends-title {
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.4);
      margin-bottom: 10px;
      font-weight: 600;
    }
    .footer-friends-links {
      display: flex;
      flex-wrap: wrap;
      gap: 15px 25px;
    }
    .footer-friends-links a {
      font-size: 0.8rem;
      color: rgba(255, 255, 255, 0.5);
    }
    .footer-friends-links a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 15px;
      font-size: 0.8rem;
    }
    .footer-copy {
      color: rgba(255, 255, 255, 0.4);
    }
    .ai-page-home-link {
      color: rgba(255, 255, 255, 0.6);
      font-weight: 600;
    }
    .ai-page-home-link:hover {
      color: #ffffff;
    }

    /* Floating Utilities */
    .floating-utils {
      position: fixed;
      right: 25px;
      bottom: 25px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .util-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: #ffffff;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid rgba(124, 58, 237, 0.1);
      position: relative;
    }
    .util-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: translateY(-3px);
    }
    .util-qr-popover {
      position: absolute;
      right: 65px;
      bottom: 0;
      background: #ffffff;
      padding: 15px;
      border-radius: 12px;
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(124, 58, 237, 0.1);
      display: none;
      text-align: center;
      width: 150px;
    }
    .util-qr-popover img {
      width: 120px;
      height: 120px;
      border-radius: 4px;
    }
    .util-qr-popover p {
      font-size: 0.75rem;
      color: var(--text-dark);
      margin-top: 8px;
      font-weight: bold;
    }
    .util-btn-kf:hover .util-qr-popover {
      display: block;
    }
    #backToTop {
      opacity: 0;
      visibility: hidden;
    }
    #backToTop.show {
      opacity: 1;
      visibility: visible;
    }

    /* Responsive adjustments */
    @media (max-width: 992px) {
      .nav-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        border-top: 1px solid rgba(124, 58, 237, 0.1);
      }
      .nav-menu.active {
        display: flex;
      }
      .menu-toggle {
        display: flex;
      }
      .about-grid, .contact-grid, .token-grid, .knowledge-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .hero-h1 {
        font-size: 2.2rem;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 576px) {
      .hero-cta {
        flex-direction: column;
        padding: 0 20px;
      }
      .btn {
        width: 100%;
      }
      .nav-btn-wrap {
        display: none;
      }
    }