/* Reset & CSS variables */
    :root {
      --primary: #7c3aed;
      --primary-light: #a78bfa;
      --primary-dark: #5b21b6;
      --accent: #d946ef;
      --dark: #111827;
      --gray-dark: #374151;
      --gray-medium: #9ca3af;
      --gray-light: #f3f4f6;
      --bg-gradient: linear-gradient(135deg, #f5f3ff 0%, #fdf2f8 100%);
      --card-shadow: 0 10px 25px -5px rgba(124, 58, 237, 0.1), 0 8px 10px -6px rgba(124, 58, 237, 0.05);
      --card-shadow-hover: 0 20px 25px -5px rgba(124, 58, 237, 0.2), 0 10px 10px -5px rgba(124, 58, 237, 0.1);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --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, "Noto Sans CJK SC", sans-serif;
      color: var(--gray-dark);
      background-color: #fafaf9;
    }

    body {
      line-height: 1.6;
    }

    /* Container base */
    .container {
      width: 100%;
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 1.5rem;
    }

    /* Typography & Titles */
    h1, h2, h3, h4, h5, h6 {
      color: var(--dark);
      font-weight: 700;
      line-height: 1.25;
    }

    .section-title-wrap {
      text-align: center;
      margin-bottom: 3.5rem;
    }

    .section-title-wrap h2 {
      font-size: 2.25rem;
      position: relative;
      display: inline-block;
      padding-bottom: 0.75rem;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .section-title-wrap h2::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      border-radius: 2px;
    }

    .section-title-wrap p {
      margin-top: 1rem;
      color: var(--gray-medium);
      font-size: 1.125rem;
    }

    /* Header Nav */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(10px);
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
      border-bottom: 1px solid rgba(124, 58, 237, 0.1);
    }

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

    .logo-container {
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

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

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

    .nav-cta {
      display: flex;
      gap: 1rem;
      align-items: center;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0.75rem 1.5rem;
      border-radius: 50px;
      font-weight: 600;
      text-decoration: none;
      transition: var(--transition);
      border: none;
      cursor: pointer;
      font-size: 0.95rem;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: white;
      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-color: transparent;
      border: 2px solid var(--primary);
      color: var(--primary);
    }

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

    /* Hamburger Menu for Mobile */
    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: transparent;
      border: none;
      cursor: pointer;
    }

    .menu-toggle span {
      width: 25px;
      height: 3px;
      background-color: var(--dark);
      transition: var(--transition);
    }

    /* Sections */
    section {
      padding: 6rem 0;
    }

    section:nth-child(even) {
      background-color: #fcfbfe;
    }

    /* Hero Section (No Image constraint) */
    .hero-section {
      padding: 8rem 0;
      background: var(--bg-gradient);
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .hero-decor {
      position: absolute;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(124,58,237,0.15) 0%, rgba(217,70,239,0.05) 100%);
      filter: blur(40px);
      z-index: 1;
    }

    .hero-decor-1 { top: -10%; left: -5%; }
    .hero-decor-2 { bottom: -10%; right: -5%; }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
      margin: 0 auto;
    }

    .hero-content h1 {
      font-size: 3.5rem;
      letter-spacing: -1px;
      margin-bottom: 1.5rem;
      background: linear-gradient(135deg, var(--primary-dark) 0%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-content p {
      font-size: 1.25rem;
      color: var(--gray-dark);
      margin-bottom: 2.5rem;
      line-height: 1.8;
    }

    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 1.5rem;
      margin-bottom: 3.5rem;
    }

    /* Stats Grid */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
      margin-top: 3rem;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.8);
      backdrop-filter: blur(10px);
      padding: 2rem;
      border-radius: 16px;
      border: 1px solid rgba(124, 58, 237, 0.1);
      box-shadow: var(--card-shadow);
      transition: var(--transition);
    }

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

    .stat-number {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 0.5rem;
    }

    .stat-label {
      font-size: 1rem;
      color: var(--gray-dark);
      font-weight: 600;
    }

    /* About Us */
    .about-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: center;
    }

    .about-text h3 {
      font-size: 1.75rem;
      margin-bottom: 1.5rem;
      color: var(--primary-dark);
    }

    .about-text p {
      margin-bottom: 1.5rem;
      font-size: 1.1rem;
      color: var(--gray-dark);
    }

    .about-features {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
    }

    .about-feature-box {
      padding: 1.5rem;
      background-color: white;
      border-radius: 12px;
      border-left: 4px solid var(--primary);
      box-shadow: var(--card-shadow);
    }

    .about-feature-box h4 {
      margin-bottom: 0.5rem;
      font-size: 1.1rem;
    }

    /* All-Platform Services */
    .model-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 1rem;
      max-width: 1000px;
      margin: 0 auto;
    }

    .model-tag {
      padding: 0.75rem 1.5rem;
      background: white;
      border: 1px solid rgba(124, 58, 237, 0.15);
      border-radius: 50px;
      font-weight: 600;
      font-size: 1rem;
      color: var(--gray-dark);
      transition: var(--transition);
      box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
    }

    .model-tag:hover {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: white;
      transform: translateY(-2px);
      box-shadow: 0 8px 15px rgba(124, 58, 237, 0.2);
    }

    /* Creation & Scenarios */
    .creation-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2rem;
    }

    .creation-card {
      background: white;
      padding: 2.5rem 2rem;
      border-radius: 20px;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      border: 1px solid rgba(124, 58, 237, 0.05);
      text-align: center;
    }

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

    .creation-card .icon-container {
      width: 70px;
      height: 70px;
      background: rgba(124, 58, 237, 0.1);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 1.5rem auto;
      color: var(--primary);
    }

    .creation-card h3 {
      font-size: 1.35rem;
      margin-bottom: 1rem;
    }

    .creation-card p {
      color: var(--gray-dark);
      font-size: 0.95rem;
    }

    /* Solutions */
    .solutions-tabs {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      margin-bottom: 3rem;
    }

    .sol-tab-btn {
      padding: 1.25rem;
      border-radius: 12px;
      background: white;
      border: 1px solid rgba(124, 58, 237, 0.1);
      text-align: center;
      font-weight: 700;
      cursor: pointer;
      transition: var(--transition);
    }

    .sol-tab-btn.active, .sol-tab-btn:hover {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: white;
      box-shadow: var(--card-shadow);
    }

    .sol-content-wrap {
      background: white;
      padding: 3rem;
      border-radius: 20px;
      box-shadow: var(--card-shadow);
    }

    .solution-panel {
      display: none;
      grid-template-columns: 1fr 1fr;
      gap: 3rem;
      align-items: center;
    }

    .solution-panel.active {
      display: grid;
    }

    .sol-panel-left h3 {
      font-size: 2rem;
      margin-bottom: 1.5rem;
      color: var(--primary-dark);
    }

    .sol-panel-left ul {
      list-style: none;
      margin-top: 1.5rem;
    }

    .sol-panel-left ul li {
      margin-bottom: 0.75rem;
      padding-left: 1.5rem;
      position: relative;
    }

    .sol-panel-left ul li::before {
      content: '✓';
      position: absolute;
      left: 0;
      color: var(--accent);
      font-weight: bold;
    }

    .sol-panel-right {
      background: var(--gray-light);
      padding: 2.5rem;
      border-radius: 12px;
      border-right: 6px solid var(--accent);
    }

    /* National Service Network */
    .network-container {
      display: grid;
      grid-template-columns: 1fr 2fr;
      gap: 3rem;
      align-items: center;
    }

    .network-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }

    .network-card {
      background: white;
      padding: 1.5rem;
      border-radius: 12px;
      box-shadow: var(--card-shadow);
      border-top: 3px solid var(--primary);
    }

    /* Workflow */
    .timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 1.5rem;
      position: relative;
      margin-top: 2rem;
    }

    .timeline-step {
      background: white;
      padding: 2rem 1.5rem;
      border-radius: 16px;
      box-shadow: var(--card-shadow);
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .step-number {
      width: 50px;
      height: 50px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: white;
      font-size: 1.5rem;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 1.5rem auto;
    }

    /* Technical Standards */
    .specs-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 2rem;
    }

    .spec-card {
      background: white;
      padding: 2rem;
      border-radius: 16px;
      border-left: 5px solid var(--primary-light);
      box-shadow: var(--card-shadow);
    }

    /* Case Center (Images included here) */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 2rem;
    }

    .case-card {
      background: white;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
    }

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

    .case-image-container {
      width: 100%;
      height: 220px;
      overflow: hidden;
      position: relative;
      background: #eee;
    }

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

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

    .case-info {
      padding: 1.5rem;
    }

    .case-tag {
      display: inline-block;
      padding: 0.25rem 0.75rem;
      background: rgba(124, 58, 237, 0.1);
      color: var(--primary-dark);
      border-radius: 50px;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
    }

    .case-info h3 {
      font-size: 1.2rem;
      margin-bottom: 0.5rem;
    }

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

    /* Banners container */
    .banners-showcase {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1rem;
      margin-top: 3rem;
    }

    .banners-showcase img {
      width: 100%;
      height: 150px;
      object-fit: cover;
      border-radius: 10px;
      box-shadow: var(--card-shadow);
    }

    /* Comparison Table (Required Badge / Evaluation) */
    .compare-wrap {
      background: white;
      border-radius: 24px;
      padding: 3rem;
      box-shadow: var(--card-shadow);
    }

    .compare-badge {
      display: flex;
      justify-content: space-around;
      align-items: center;
      background: var(--bg-gradient);
      border: 1px solid rgba(124, 58, 237, 0.2);
      border-radius: 16px;
      padding: 2rem;
      margin-bottom: 3rem;
      text-align: center;
    }

    .badge-item h3 {
      font-size: 1rem;
      color: var(--gray-dark);
      margin-bottom: 0.5rem;
    }

    .badge-item .badge-val {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--primary);
    }

    .badge-item .stars {
      color: #fbbf24;
      font-size: 2rem;
    }

    .table-container {
      overflow-x: auto;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }

    th, td {
      padding: 1.25rem;
      border-bottom: 1px solid #e5e7eb;
    }

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

    tr:hover {
      background-color: rgba(124, 58, 237, 0.02);
    }

    .feature-yes {
      color: #10b981;
      font-weight: bold;
    }

    .feature-no {
      color: #ef4444;
      font-weight: bold;
    }

    /* Token Price API */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }

    .token-card {
      background: white;
      border-radius: 16px;
      padding: 2rem;
      box-shadow: var(--card-shadow);
      border-top: 4px solid var(--accent);
      text-align: center;
    }

    .token-card .price {
      font-size: 2rem;
      font-weight: 800;
      color: var(--accent);
      margin: 1rem 0;
    }

    /* Training Programs */
    .training-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 3rem;
    }

    .training-section-box {
      background: white;
      padding: 3rem 2rem;
      border-radius: 20px;
      box-shadow: var(--card-shadow);
    }

    .training-section-box h3 {
      font-size: 1.75rem;
      margin-bottom: 1.5rem;
      color: var(--primary);
      border-bottom: 2px solid var(--gray-light);
      padding-bottom: 1rem;
    }

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

    .course-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1rem 0;
      border-bottom: 1px dashed #e5e7eb;
    }

    .course-name {
      font-weight: 600;
      color: var(--dark);
    }

    .course-tag {
      background: var(--accent);
      color: white;
      padding: 0.25rem 0.75rem;
      border-radius: 50px;
      font-size: 0.8rem;
      font-weight: 700;
    }

    /* Help & FAQ & Troubleshooting & Glossary */
    .faq-layout {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 3rem;
    }

    .faq-accordion {
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .faq-item {
      background: white;
      border-radius: 12px;
      border: 1px solid rgba(124, 58, 237, 0.1);
      overflow: hidden;
      box-shadow: 0 4px 6px rgba(0,0,0,0.02);
      transition: var(--transition);
    }

    .faq-header {
      padding: 1.25rem 1.5rem;
      font-weight: 700;
      color: var(--dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

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

    .faq-item.active .faq-header::after {
      content: '−';
      transform: rotate(180deg);
    }

    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #fafafa;
    }

    .faq-content p {
      padding: 1.5rem;
      color: var(--gray-dark);
      font-size: 0.95rem;
      line-height: 1.6;
    }

    .troubleshoot-glossary {
      display: flex;
      flex-direction: column;
      gap: 2rem;
    }

    .troubleshoot-card, .glossary-card {
      background: white;
      padding: 2rem;
      border-radius: 16px;
      box-shadow: var(--card-shadow);
      border-left: 4px solid var(--accent);
    }

    .troubleshoot-card h3, .glossary-card h3 {
      font-size: 1.25rem;
      margin-bottom: 1.25rem;
      color: var(--primary-dark);
    }

    .troubleshoot-list, .glossary-list {
      list-style: none;
    }

    .troubleshoot-list li, .glossary-list li {
      margin-bottom: 1rem;
      font-size: 0.9rem;
    }

    .troubleshoot-list li strong, .glossary-list li strong {
      display: block;
      color: var(--dark);
      margin-bottom: 0.25rem;
    }

    /* Testimonials (6 reviews) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }

    .review-card {
      background: white;
      padding: 2.5rem;
      border-radius: 20px;
      box-shadow: var(--card-shadow);
      position: relative;
    }

    .review-card::before {
      content: "“";
      font-size: 5rem;
      position: absolute;
      top: -10px;
      left: 15px;
      color: rgba(124, 58, 237, 0.08);
      font-family: Georgia, serif;
    }

    .review-text {
      font-style: italic;
      color: var(--gray-dark);
      margin-bottom: 1.5rem;
      position: relative;
      z-index: 1;
      font-size: 0.95rem;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .author-avatar {
      width: 45px;
      height: 45px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 700;
    }

    .author-info h4 {
      font-size: 0.95rem;
      margin-bottom: 0.15rem;
    }

    .author-info p {
      font-size: 0.8rem;
      color: var(--gray-medium);
    }

    /* Articles Section */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 1.5rem;
    }

    .article-card {
      background: white;
      border-radius: 12px;
      padding: 1.5rem;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      text-decoration: none;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .article-card h3 {
      font-size: 1rem;
      margin-bottom: 1rem;
      line-height: 1.4;
      color: var(--dark);
    }

    .article-meta {
      font-size: 0.8rem;
      color: var(--primary);
      font-weight: 600;
    }

    /* Contact Us & Form */
    .contact-container {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 4rem;
    }

    .contact-details h3 {
      font-size: 1.75rem;
      margin-bottom: 1.5rem;
    }

    .contact-info-list {
      list-style: none;
      margin-bottom: 2.5rem;
    }

    .contact-info-list li {
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .contact-info-list li strong {
      color: var(--primary);
    }

    .qr-showcase {
      display: flex;
      align-items: center;
      gap: 2rem;
      background: white;
      padding: 1.5rem;
      border-radius: 16px;
      box-shadow: var(--card-shadow);
    }

    .qr-showcase img {
      width: 120px;
      height: 120px;
      border-radius: 8px;
    }

    .qr-text h4 {
      margin-bottom: 0.5rem;
      color: var(--dark);
    }

    .qr-text p {
      font-size: 0.85rem;
      color: var(--gray-medium);
    }

    .form-wrap {
      background: white;
      padding: 3rem;
      border-radius: 24px;
      box-shadow: var(--card-shadow);
    }

    .form-group {
      margin-bottom: 1.5rem;
    }

    .form-group label {
      display: block;
      font-weight: 700;
      margin-bottom: 0.5rem;
      font-size: 0.9rem;
    }

    .form-control {
      width: 100%;
      padding: 0.85rem 1rem;
      border: 1.5px solid #e5e7eb;
      border-radius: 10px;
      font-size: 0.95rem;
      transition: var(--transition);
      color: var(--dark);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.15);
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
    }

    /* Footer */
    footer {
      background-color: var(--dark);
      color: #e5e7eb;
      padding: 5rem 0 2rem 0;
      font-size: 0.9rem;
      border-top: 4px solid var(--primary);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1.5fr 1.5fr;
      gap: 4rem;
      margin-bottom: 4rem;
    }

    .footer-brand .ai-page-logo {
      height: auto;
      max-width: 150px;
      margin-bottom: 1.5rem;
      
    }

    .footer-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: white;
      margin-bottom: 1.5rem;
      position: relative;
    }

    .footer-title::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 0;
      width: 40px;
      height: 3px;
      background: var(--accent);
      border-radius: 2px;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 0.75rem;
    }

    .footer-links a, .ai-page-home-link {
      color: #9ca3af;
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-links a:hover, .ai-page-home-link:hover {
      color: var(--accent);
    }

    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
    }

    .friend-links-wrap a {
      background-color: rgba(255, 255, 255, 0.05);
      padding: 0.4rem 0.8rem;
      border-radius: 4px;
      font-size: 0.85rem;
      color: #9ca3af;
      text-decoration: none;
      transition: var(--transition);
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .copyright {
      color: #6b7280;
    }

    /* Float widgets */
    .float-panel {
      position: fixed;
      right: 2rem;
      bottom: 2rem;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: white;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: var(--transition);
      position: relative;
    }

    .float-btn:hover {
      background: var(--primary);
      color: white;
      transform: scale(1.05);
    }

    .float-btn svg {
      width: 24px;
      height: 24px;
      fill: currentColor;
    }

    .kefu-popover {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: white;
      border-radius: 12px;
      padding: 1rem;
      box-shadow: var(--card-shadow);
      border: 1px solid rgba(124, 58, 237, 0.15);
      width: 160px;
      text-align: center;
      display: none;
      flex-direction: column;
      align-items: center;
      gap: 1.5rem;
    }

    .kefu-popover img {
      width: 100px;
      height: 100px;
    }

    .float-btn:hover .kefu-popover {
      display: flex;
    }

    /* Responsiveness */
    @media (max-width: 1024px) {
      .hero-content h1 { font-size: 2.75rem; }
      .about-content { grid-template-columns: 1fr; gap: 2.5rem; }
      .solutions-tabs { grid-template-columns: repeat(2, 1fr); }
      .timeline { grid-template-columns: repeat(3, 1fr); gap: 1rem; }
      .training-grid { grid-template-columns: 1fr; gap: 2rem; }
      .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .articles-grid { grid-template-columns: repeat(3, 1fr); }
      .contact-container { grid-template-columns: 1fr; gap: 3rem; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .menu-toggle { display: flex; }
      .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        border-top: 1px solid #f3f4f6;
        z-index: 100;
      }
      .nav-links.active { display: flex; }
      .nav-cta { display: none; }
      .hero-content h1 { font-size: 2.25rem; }
      .stats-grid { grid-template-columns: 1fr; }
      .solution-panel { grid-template-columns: 1fr; }
      .network-container { grid-template-columns: 1fr; }
      .timeline { grid-template-columns: 1fr; }
      .compare-badge { flex-direction: column; gap: 1.5rem; }
      .token-grid { grid-template-columns: 1fr; }
      .faq-layout { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .articles-grid { grid-template-columns: 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
      .banners-showcase { grid-template-columns: repeat(2, 1fr); }
    }