/* CSS RESET & VARIABLES - 斑斓彩调风 (Vibrant Multicolor Tech Style) */
    :root {
      --primary-grad: linear-gradient(135deg, #4f46e5 0%, #7c3aed 40%, #ec4899 80%, #f43f5e 100%);
      --secondary-grad: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
      --accent-grad: linear-gradient(135deg, #ff007f 0%, #7928ca 100%);
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --bg-global: #fafbfc;
      --bg-card: #ffffff;
      --border-color: #f1f5f9;
      --border-focus: #c084fc;
      --shadow-sm: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
      --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.08);
      --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      --container-width: 1200px;
    }

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

    body {
      font-family: var(--font-sans);
      background-color: var(--bg-global);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      position: relative;
    }

    /* Layout Wrapper */
    .container {
      width: 100%;
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Header & Navigation */
    header {
      position: sticky;
      top: 0;
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      z-index: 1000;
      height: 72px;
      display: flex;
      align-items: center;
    }

    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .brand img.ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
    }

    .brand span {
      font-weight: 800;
      font-size: 1.25rem;
      background: var(--primary-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
    }

    .nav-item a {
      text-decoration: none;
      color: var(--text-muted);
      font-weight: 500;
      font-size: 0.95rem;
      transition: color 0.3s ease;
      padding: 8px 12px;
      border-radius: 6px;
    }

    .nav-item a:hover {
      color: #7c3aed;
      background: rgba(124, 58, 237, 0.05);
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn-outline {
      padding: 8px 16px;
      border: 1.5px solid #7c3aed;
      border-radius: 8px;
      color: #7c3aed;
      text-decoration: none;
      font-weight: 600;
      font-size: 0.9rem;
      transition: all 0.3s ease;
    }

    .btn-outline:hover {
      background: #7c3aed;
      color: #fff;
    }

    .btn-primary {
      padding: 10px 20px;
      background: var(--primary-grad);
      border: none;
      border-radius: 8px;
      color: #fff;
      text-decoration: none;
      font-weight: 600;
      font-size: 0.9rem;
      box-shadow: 0 4px 10px rgba(124, 58, 237, 0.3);
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .btn-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 14px rgba(124, 58, 237, 0.4);
    }

    /* Mobile Menu Toggle */
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--text-main);
    }

    /* Hero Section (No Image, CSS Colorful Gradient & Fluid UI) */
    .hero-section {
      position: relative;
      padding: 100px 0 80px 0;
      background: radial-gradient(circle at 10% 20%, rgba(243, 232, 255, 0.7) 0%, rgba(255, 255, 255, 0.9) 90%);
      overflow: hidden;
      text-align: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      padding: 6px 16px;
      background: rgba(236, 72, 153, 0.1);
      border: 1px solid rgba(236, 72, 153, 0.2);
      border-radius: 9999px;
      color: #db2777;
      font-weight: 600;
      font-size: 0.85rem;
      margin-bottom: 24px;
      animation: pulse 2s infinite;
    }

    .hero-section h1 {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1.2;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
      color: var(--text-main);
    }

    .hero-section h1 span {
      background: var(--primary-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.25rem;
      color: var(--text-muted);
      max-width: 800px;
      margin: 0 auto 36px auto;
    }

    .hero-btn-group {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin-bottom: 48px;
    }

    .btn-hero-main {
      padding: 16px 36px;
      background: var(--primary-grad);
      color: #fff;
      font-size: 1.1rem;
      font-weight: 700;
      border-radius: 9999px;
      text-decoration: none;
      box-shadow: 0 10px 20px rgba(124, 58, 237, 0.3);
      transition: all 0.3s ease;
    }

    .btn-hero-main:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(124, 58, 237, 0.45);
    }

    .btn-hero-sub {
      padding: 16px 36px;
      background: #ffffff;
      color: var(--text-main);
      font-size: 1.1rem;
      font-weight: 600;
      border-radius: 9999px;
      text-decoration: none;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .btn-hero-sub:hover {
      background: #f8fafc;
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }

    /* Section Global Headers */
    .section-header {
      text-align: center;
      margin-bottom: 60px;
    }

    .section-tag {
      font-size: 0.85rem;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: #7c3aed;
      font-weight: 700;
      margin-bottom: 12px;
      display: inline-block;
    }

    .section-header h2 {
      font-size: 2.25rem;
      font-weight: 800;
      margin-bottom: 16px;
      background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .section-header p {
      font-size: 1.1rem;
      color: var(--text-muted);
      max-width: 600px;
      margin: 0 auto;
    }

    /* Global Section Background Variations */
    section {
      padding: 90px 0;
    }
    
    .bg-white { background-color: #ffffff; }
    .bg-gray { background-color: #f8fafc; }

    /* Core Stats Grid */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 20px;
    }

    .stat-card {
      background: #fff;
      border-radius: 16px;
      padding: 30px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      border: 1px solid rgba(241, 245, 249, 0.8);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

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

    .stat-num {
      font-size: 2.5rem;
      font-weight: 800;
      background: var(--primary-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 8px;
    }

    .stat-label {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .stat-desc {
      font-size: 0.85rem;
      color: var(--text-light);
      margin-top: 4px;
    }

    /* Platform Introduction */
    .intro-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .intro-content h3 {
      font-size: 1.75rem;
      font-weight: 800;
      margin-bottom: 20px;
    }

    .intro-content p {
      font-size: 1.05rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .intro-feature-list {
      list-style: none;
    }

    .intro-feature-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 16px;
    }

    .intro-feature-item svg {
      width: 24px;
      height: 24px;
      fill: none;
      stroke: #10b981;
      stroke-width: 2.5;
      flex-shrink: 0;
    }

    .intro-feature-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .intro-feature-item p {
      font-size: 0.9rem;
      color: var(--text-light);
      margin-bottom: 0;
    }

    /* Services Cards (6 modules) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 36px 30px;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      position: relative;
      overflow: hidden;
    }

    .service-card:hover {
      transform: translateY(-6px);
      border-color: #c084fc;
      box-shadow: var(--shadow-lg);
    }

    .service-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 6px;
      height: 100%;
      background: var(--primary-grad);
      opacity: 0;
      transition: opacity 0.3s;
    }

    .service-card:hover::before {
      opacity: 1;
    }

    .service-icon {
      width: 56px;
      height: 56px;
      border-radius: 12px;
      background: rgba(124, 58, 237, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 24px;
      color: #7c3aed;
    }

    .service-card h3 {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .service-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .service-tag-item {
      font-size: 0.75rem;
      background: #f1f5f9;
      color: var(--text-muted);
      padding: 4px 8px;
      border-radius: 4px;
      font-weight: 500;
    }

    /* Model Logos Matrix Banner */
    .model-marquee-section {
      background: #0f172a;
      color: #fff;
      padding: 48px 0;
      overflow: hidden;
      position: relative;
    }

    .model-marquee-title {
      text-align: center;
      font-size: 0.9rem;
      letter-spacing: 0.1em;
      color: #94a3b8;
      text-transform: uppercase;
      margin-bottom: 24px;
      font-weight: 600;
    }

    .model-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .model-badge {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: #e2e8f0;
      padding: 6px 14px;
      border-radius: 9999px;
      font-size: 0.85rem;
      font-weight: 500;
      transition: all 0.2s ease;
    }

    .model-badge:hover {
      background: var(--primary-grad);
      border-color: transparent;
      transform: scale(1.05);
    }

    /* Workflow Timeline */
    .timeline-container {
      position: relative;
      max-width: 800px;
      margin: 0 auto;
    }

    .timeline-line {
      position: absolute;
      left: 50%;
      top: 0;
      bottom: 0;
      width: 2px;
      background: #e2e8f0;
      transform: translateX(-50%);
    }

    .timeline-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 48px;
      position: relative;
      width: 100%;
    }

    .timeline-item:nth-child(even) {
      flex-direction: row-reverse;
    }

    .timeline-badge {
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      width: 40px;
      height: 40px;
      background: var(--primary-grad);
      border-radius: 50%;
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      box-shadow: 0 0 0 4px #fff, var(--shadow-sm);
      z-index: 1;
    }

    .timeline-panel {
      width: 45%;
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .timeline-panel h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

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

    /* Industry Solutions Solutions */
    .solutions-tabs-container {
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 32px;
    }

    .sol-tab-nav {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .sol-tab-btn {
      padding: 16px 20px;
      background: #fff;
      border: 1.5px solid var(--border-color);
      border-radius: 10px;
      text-align: left;
      font-weight: 600;
      font-size: 0.95rem;
      cursor: pointer;
      color: var(--text-muted);
      transition: all 0.2s;
    }

    .sol-tab-btn.active, .sol-tab-btn:hover {
      background: var(--primary-grad);
      color: #fff;
      border-color: transparent;
      box-shadow: var(--shadow-md);
    }

    .sol-tab-panel {
      background: #fff;
      border-radius: 12px;
      border: 1px solid var(--border-color);
      padding: 40px;
      display: none;
      box-shadow: var(--shadow-sm);
    }

    .sol-tab-panel.active {
      display: block;
    }

    .sol-panel-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 32px;
      align-items: center;
    }

    .sol-panel-text h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .sol-panel-text p {
      font-size: 1rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .sol-points {
      list-style: none;
    }

    .sol-point-item {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
      font-weight: 600;
      font-size: 0.95rem;
    }

    .sol-point-item svg {
      width: 20px;
      height: 20px;
      stroke: #3b82f6;
      stroke-width: 2.5;
      fill: none;
    }

    .sol-panel-media {
      background: var(--bg-global);
      border-radius: 12px;
      padding: 16px;
      text-align: center;
      border: 1px dashed #cbd5e1;
    }

    .sol-panel-media img {
      width: 100%;
      border-radius: 8px;
      object-fit: cover;
    }

    /* National Service Network Map Block */
    .network-container {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }

    .network-text h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .network-text p {
      font-size: 1rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .network-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .network-node {
      background: #fff;
      padding: 16px;
      border-radius: 8px;
      border-left: 4px solid #10b981;
      box-shadow: var(--shadow-sm);
    }

    .network-node h4 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .network-node p {
      font-size: 0.85rem;
      color: var(--text-light);
      margin-bottom: 0;
    }

    /* Case Studies (with specified images) */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }

    .case-card {
      background: #fff;
      border-radius: 16px;
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s, box-shadow 0.3s;
    }

    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .case-img-container {
      width: 100%;
      height: 240px;
      overflow: hidden;
      position: relative;
    }

    .case-img-container img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

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

    .case-badge {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(15, 23, 42, 0.8);
      color: #fff;
      padding: 6px 12px;
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 600;
      backdrop-filter: blur(4px);
    }

    .case-body {
      padding: 24px;
    }

    .case-body h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .case-body p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 16px;
      height: 48px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .case-meta {
      display: flex;
      justify-content: space-between;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
      font-size: 0.85rem;
      color: var(--text-light);
    }

    .case-meta span strong {
      color: #7c3aed;
    }

    /* Comparison Review Board */
    .compare-container {
      background: #fff;
      border-radius: 20px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      margin: 0 auto;
    }

    .compare-header {
      background: var(--primary-grad);
      color: #fff;
      padding: 40px;
      text-align: center;
      position: relative;
    }

    .compare-header h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .compare-score-badge {
      display: inline-flex;
      align-items: center;
      background: rgba(255, 255, 255, 0.2);
      border: 1px solid rgba(255, 255, 255, 0.4);
      padding: 8px 24px;
      border-radius: 9999px;
      font-weight: 700;
      font-size: 1.1rem;
      margin-top: 8px;
      backdrop-filter: blur(4px);
    }

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

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.95rem;
    }

    .compare-table th, .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
    }

    .compare-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--text-main);
    }

    .compare-table td:nth-child(2) {
      font-weight: 700;
      color: #7c3aed;
      background: rgba(124, 58, 237, 0.02);
    }

    .compare-table tr:last-child td {
      border-bottom: none;
    }

    .check-icon {
      color: #10b981;
      font-weight: bold;
    }

    .cross-icon {
      color: #ef4444;
      font-weight: bold;
    }

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

    .token-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .token-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 16px;
      margin-bottom: 16px;
    }

    .token-name {
      font-weight: 700;
      font-size: 1.1rem;
    }

    .token-tag {
      background: rgba(59, 130, 246, 0.1);
      color: #3b82f6;
      font-size: 0.75rem;
      padding: 4px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    .token-price-row {
      display: flex;
      justify-content: space-between;
      margin-bottom: 10px;
      font-size: 0.9rem;
    }

    .token-price-label {
      color: var(--text-light);
    }

    .token-price-value {
      font-weight: 700;
      color: var(--text-main);
    }

    .token-price-value.highlight {
      color: #10b981;
    }

    /* Training Programs & Certification */
    .training-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
    }

    .training-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .training-card:hover {
      transform: translateY(-4px);
      border-color: #f43f5e;
      box-shadow: var(--shadow-md);
    }

    .training-icon {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: rgba(244, 63, 94, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
      color: #f43f5e;
    }

    .training-card h3 {
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 8px;
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

    /* Agent Program */
    .agent-panel {
      background: linear-gradient(135deg, #1e1b4b 0%, #311042 100%);
      border-radius: 20px;
      padding: 50px;
      color: #fff;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    .agent-text h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 16px;
      background: linear-gradient(to right, #ffffff, #f472b6);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .agent-text p {
      color: #cbd5e1;
      font-size: 1.05rem;
      margin-bottom: 24px;
    }

    .agent-perks {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 30px;
    }

    .agent-perk-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      color: #e2e8f0;
    }

    .agent-perk-item svg {
      width: 18px;
      height: 18px;
      fill: none;
      stroke: #f472b6;
      stroke-width: 2.5;
    }

    .agent-qr {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 16px;
      padding: 24px;
      text-align: center;
      backdrop-filter: blur(8px);
    }

    .agent-qr img {
      width: 150px;
      height: 150px;
      border-radius: 8px;
      margin-bottom: 12px;
    }

    .agent-qr p {
      font-size: 0.85rem;
      color: #94a3b8;
    }

    /* FAQ Collapsible Panel */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 10px;
      margin-bottom: 12px;
      overflow: hidden;
      transition: all 0.3s;
    }

    .faq-trigger {
      width: 100%;
      padding: 20px 24px;
      background: none;
      border: none;
      text-align: left;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-trigger:hover {
      background: rgba(248, 250, 252, 0.8);
    }

    .faq-icon-indicator {
      font-size: 1.25rem;
      font-weight: 300;
      color: #94a3b8;
      transition: transform 0.3s;
    }

    .faq-item.active .faq-icon-indicator {
      transform: rotate(45deg);
    }

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

    .faq-inner {
      padding: 0 24px 20px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
    }

    /* AI Glossary Tag Cloud */
    .glossary-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
      max-width: 1000px;
      margin: 0 auto;
    }

    .glossary-term {
      background: #fff;
      border: 1.5px solid var(--border-color);
      border-radius: 8px;
      padding: 10px 16px;
      font-size: 0.9rem;
      cursor: pointer;
      transition: all 0.2s;
    }

    .glossary-term:hover {
      background: var(--primary-grad);
      color: #fff;
      border-color: transparent;
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }

    /* Testimonials (6 comments) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 30px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .review-text::before {
      content: '“';
      font-size: 3rem;
      color: #e2e8f0;
      position: absolute;
      top: -20px;
      left: -10px;
      z-index: 0;
    }

    .review-text span {
      position: relative;
      z-index: 1;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }

    .review-avatar-placeholder {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-grad);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
    }

    .review-user-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
    }

    .review-user-info p {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* Knowledge Base Articles */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
    }

    .article-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform 0.3s;
    }

    .article-card:hover {
      transform: translateY(-3px);
    }

    .article-card-body {
      padding: 16px;
    }

    .article-card-body h3 {
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 8px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      height: 38px;
    }

    .article-card-body p {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    .article-link {
      display: block;
      padding: 10px 16px;
      background: #f8fafc;
      border-top: 1px solid var(--border-color);
      text-decoration: none;
      color: #7c3aed;
      font-size: 0.85rem;
      font-weight: 600;
      text-align: center;
    }

    .article-link:hover {
      background: rgba(124, 58, 237, 0.05);
    }

    /* Contact Us & Submit Form Section */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 0.8fr 1.2fr;
      gap: 40px;
    }

    .contact-info {
      background: #fff;
      border-radius: 16px;
      padding: 40px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .contact-info h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 24px;
    }

    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      margin-bottom: 24px;
    }

    .contact-item-icon {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: rgba(124, 58, 237, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #7c3aed;
      flex-shrink: 0;
    }

    .contact-item-text h4 {
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 4px;
    }

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

    .contact-social {
      margin-top: 32px;
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
    }

    .contact-social-qrs {
      display: flex;
      gap: 20px;
      margin-top: 12px;
    }

    .contact-qr-box {
      text-align: center;
      flex: 1;
    }

    .contact-qr-box img {
      width: 100%;
      max-width: 100px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      margin-bottom: 6px;
    }

    .contact-qr-box span {
      font-size: 0.75rem;
      color: var(--text-light);
      display: block;
    }

    /* Submit Form Card */
    .form-card {
      background: #fff;
      border-radius: 16px;
      padding: 40px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
    }

    .form-card h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .form-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

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

    .form-group.full-width {
      grid-column: span 2;
    }

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .form-group input, .form-group select, .form-group textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1.5px solid var(--border-color);
      border-radius: 8px;
      font-size: 0.95rem;
      outline: none;
      transition: all 0.2s;
    }

    .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
      border-color: var(--border-focus);
      box-shadow: 0 0 0 3px rgba(192, 132, 252, 0.15);
    }

    .btn-submit {
      width: 100%;
      padding: 14px;
      background: var(--primary-grad);
      border: none;
      color: #fff;
      font-weight: 700;
      font-size: 1rem;
      border-radius: 8px;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(124, 58, 237, 0.3);
      transition: all 0.2s;
    }

    .btn-submit:hover {
      box-shadow: 0 6px 14px rgba(124, 58, 237, 0.4);
      transform: translateY(-1px);
    }

    /* Fixed Float Components */
    .float-panel {
      position: fixed;
      right: 24px;
      bottom: 24px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-item {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: #fff;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      position: relative;
      transition: all 0.2s;
    }

    .float-item:hover {
      background: #f8fafc;
      transform: scale(1.05);
    }

    .float-item svg {
      width: 24px;
      height: 24px;
      color: var(--text-muted);
    }

    .float-item.kefu-trigger:hover .kefu-popover {
      display: block;
    }

    .kefu-popover {
      display: none;
      position: absolute;
      bottom: 60px;
      right: 0;
      width: 200px;
      background: #fff;
      border-radius: 12px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      padding: 16px;
      text-align: center;
    }

    .kefu-popover img {
      width: 120px;
      height: 120px;
      border-radius: 6px;
      margin-bottom: 8px;
    }

    .kefu-popover p {
      font-size: 0.8rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .btn-top {
      display: none;
    }

    /* Footer */
    footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 80px 0 30px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 0.9rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr repeat(3, 0.8fr) 1fr;
      gap: 40px;
      margin-bottom: 60px;
    }

    .footer-brand h4 {
      color: #fff;
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .footer-brand p {
      margin-bottom: 20px;
      line-height: 1.6;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 20px;
    }

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

    .footer-col ul li {
      margin-bottom: 12px;
    }

    .footer-col ul li a {
      color: #94a3b8;
      text-decoration: none;
      transition: color 0.2s;
    }

    .footer-col ul li a:hover {
      color: #fff;
    }

    .footer-col.qrs {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .footer-qr-item {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .footer-qr-item img {
      width: 64px;
      height: 64px;
      border-radius: 4px;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-qr-item div h5 {
      color: #fff;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 2px;
    }

    .footer-qr-item div p {
      font-size: 0.75rem;
      color: #64748b;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
    }

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

    .footer-links a {
      color: #64748b;
      text-decoration: none;
      transition: color 0.2s;
    }

    .footer-links a:hover {
      color: #94a3b8;
    }

    .copyright {
      font-size: 0.85rem;
      color: #64748b;
    }

    /* Keyframes */
    @keyframes pulse {
      0%, 100% { transform: scale(1); opacity: 1; }
      50% { transform: scale(1.03); opacity: 0.9; }
    }

    /* Media Queries for Responsive Design */
    @media (max-width: 1024px) {
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .training-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .articles-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-menu.active {
        display: flex;
      }
      .menu-toggle {
        display: block;
      }
      .nav-cta {
        display: none;
      }
      .hero-section h1 {
        font-size: 2.2rem;
      }
      .hero-subtitle {
        font-size: 1.1rem;
      }
      .hero-btn-group {
        flex-direction: column;
        align-items: center;
      }
      .btn-hero-main, .btn-hero-sub {
        width: 100%;
        max-width: 300px;
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .intro-wrapper {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .timeline-line {
        left: 24px;
      }
      .timeline-badge {
        left: 24px;
      }
      .timeline-panel {
        width: calc(100% - 48px);
        margin-left: 48px;
      }
      .timeline-item:nth-child(even) {
        flex-direction: row;
      }
      .timeline-item:nth-child(even) .timeline-panel {
        margin-left: 48px;
      }
      .solutions-tabs-container {
        grid-template-columns: 1fr;
      }
      .sol-panel-grid {
        grid-template-columns: 1fr;
      }
      .network-container {
        grid-template-columns: 1fr;
      }
      .cases-grid {
        grid-template-columns: 1fr;
      }
      .token-grid {
        grid-template-columns: 1fr;
      }
      .training-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .agent-panel {
        grid-template-columns: 1fr;
        padding: 30px;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .articles-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full-width {
        grid-column: span 1;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }