:root {
      --primary: #4f46e5;
      --primary-hover: #4338ca;
      --accent: #06b6d4;
      --secondary: #ec4899;
      --vibrant-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 45%, #ec4899 100%);
      --soft-gradient: linear-gradient(135deg, #eef2ff 0%, #f0fdf4 50%, #fdf2f8 100%);
      --hero-bg: radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.12) 0%, rgba(79, 70, 229, 0.08) 35%, #ffffff 80%);
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --border-color: #e2e8f0;
      --border-focus: #818cf8;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 10px 25px -5px rgba(79, 70, 229, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --shadow-hover: 0 20px 25px -5px rgba(79, 70, 229, 0.15), 0 8px 10px -6px rgba(79, 70, 229, 0.08);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --radius-full: 9999px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

    *, *::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, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* Top Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

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

    .ai-page-logo {
      height: 40px;
      width: auto;
      display: block;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
    }

    .brand-title {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.2;
      letter-spacing: -0.5px;
    }

    .brand-tag {
      font-size: 0.72rem;
      color: var(--primary);
      font-weight: 600;
    }

    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }

    .nav-links li a {
      display: block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-muted);
      text-decoration: none;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      white-space: nowrap;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background-color: rgba(79, 70, 229, 0.06);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-full);
      text-decoration: none;
      transition: var(--transition);
      cursor: pointer;
      border: 1px solid transparent;
      line-height: 1.4;
      text-align: center;
    }

    .btn-primary {
      background: var(--vibrant-gradient);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
      color: #ffffff;
    }

    .btn-outline {
      background: #ffffff;
      color: var(--primary);
      border-color: rgba(79, 70, 229, 0.3);
    }

    .btn-outline:hover {
      background: rgba(79, 70, 229, 0.05);
      border-color: var(--primary);
      color: var(--primary-hover);
    }

    .btn-light {
      background: #ffffff;
      color: var(--text-main);
      border-color: var(--border-color);
    }

    .btn-light:hover {
      background: #f1f5f9;
      border-color: #cbd5e1;
    }

    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 6px;
    }

    /* Section Header Common */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 50px auto;
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      padding: 6px 16px;
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--primary);
      background: rgba(79, 70, 229, 0.08);
      border-radius: var(--radius-full);
      margin-bottom: 14px;
      border: 1px solid rgba(79, 70, 229, 0.15);
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Hero Section (strictly NO images) */
    .hero-section {
      background: var(--hero-bg);
      padding: 90px 0 80px 0;
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      position: relative;
      overflow: hidden;
    }

    .hero-decor-1 {
      position: absolute;
      width: 320px;
      height: 320px;
      top: -80px;
      right: -80px;
      background: radial-gradient(circle, rgba(236, 72, 153, 0.18) 0%, rgba(236, 72, 153, 0) 70%);
      pointer-events: none;
      filter: blur(40px);
    }

    .hero-decor-2 {
      position: absolute;
      width: 400px;
      height: 400px;
      bottom: -100px;
      left: -100px;
      background: radial-gradient(circle, rgba(79, 70, 229, 0.15) 0%, rgba(6, 182, 212, 0) 70%);
      pointer-events: none;
      filter: blur(50px);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-h1 {
      font-size: 2.7rem;
      font-weight: 900;
      letter-spacing: -0.5px;
      margin-bottom: 18px;
      color: var(--text-main);
      line-height: 1.25;
    }

    .hero-h1 span {
      background: var(--vibrant-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.2rem;
      color: var(--text-muted);
      margin-bottom: 34px;
      max-width: 760px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.6;
    }

    .hero-cta-group {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 16px;
      margin-bottom: 48px;
      flex-wrap: wrap;
    }

    .btn-hero-primary {
      padding: 14px 34px;
      font-size: 1.1rem;
      background: var(--vibrant-gradient);
      color: #ffffff;
      font-weight: 700;
      box-shadow: 0 10px 25px rgba(79, 70, 229, 0.35);
      border-radius: var(--radius-full);
      text-decoration: none;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-primary:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 14px 30px rgba(79, 70, 229, 0.45);
      color: #ffffff;
    }

    .hero-stats-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .hero-stat-card {
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.8);
      backdrop-filter: blur(10px);
      padding: 20px 16px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .hero-stat-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: rgba(79, 70, 229, 0.3);
    }

    .stat-number {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 0.85rem;
      color: var(--text-light);
      font-weight: 600;
    }

    /* Model Cloud Ribbon */
    .model-ribbon-section {
      background: #ffffff;
      padding: 36px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .model-ribbon-title {
      text-align: center;
      font-size: 0.9rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--text-light);
      margin-bottom: 20px;
    }

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

    .model-badge {
      font-size: 0.82rem;
      font-weight: 600;
      padding: 6px 14px;
      background: var(--bg-page);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-full);
      color: var(--text-muted);
      transition: var(--transition);
    }

    .model-badge:hover {
      background: rgba(79, 70, 229, 0.08);
      color: var(--primary);
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    /* Platform Intro (About Us) */
    .about-section {
      background: #ffffff;
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-card-box {
      background: var(--soft-gradient);
      border: 1px solid rgba(79, 70, 229, 0.15);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .about-feature-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      margin-bottom: 20px;
    }

    .about-feature-item:last-child {
      margin-bottom: 0;
    }

    .feature-icon-badge {
      width: 44px;
      height: 44px;
      min-width: 44px;
      background: var(--vibrant-gradient);
      color: #ffffff;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      box-shadow: 0 4px 10px rgba(79, 70, 229, 0.25);
    }

    .feature-text h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .feature-text p {
      font-size: 0.92rem;
      color: var(--text-muted);
    }

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

    .scenario-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .scenario-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: var(--vibrant-gradient);
      opacity: 0;
      transition: var(--transition);
    }

    .scenario-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(79, 70, 229, 0.3);
    }

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

    .scenario-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .scenario-tag {
      font-size: 0.72rem;
      padding: 3px 8px;
      border-radius: 4px;
      background: rgba(79, 70, 229, 0.08);
      color: var(--primary);
      font-weight: 700;
      margin-left: auto;
    }

    .scenario-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .scenario-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .scenario-footer {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* Showcase Section with actual images */
    .showcase-section {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .banner-container {
      margin-bottom: 40px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      background: #f1f5f9;
    }

    .ai-page-image {
      width: 100%;
      display: block;
      transition: transform 0.4s ease;
    }

    .showcase-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 24px;
    }

    .media-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .media-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(79, 70, 229, 0.3);
    }

    .media-img-wrap {
      width: 100%;
      background: #e2e8f0;
      overflow: hidden;
      aspect-ratio: 16 / 9;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .media-img-wrap.square-ratio {
      aspect-ratio: 1 / 1;
    }

    .media-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .media-card:hover img {
      transform: scale(1.04);
    }

    .media-body {
      padding: 20px;
    }

    .media-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .media-text {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Workflow & Steps */
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      position: relative;
      transition: var(--transition);
    }

    .step-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
      transform: translateY(-3px);
    }

    .step-badge {
      width: 38px;
      height: 38px;
      border-radius: var(--radius-full);
      background: var(--vibrant-gradient);
      color: #ffffff;
      font-weight: 800;
      font-size: 1.1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }

    .step-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Comparison Section */
    .comparison-section {
      background: #ffffff;
    }

    .rating-hero-box {
      background: var(--soft-gradient);
      border: 1px solid rgba(79, 70, 229, 0.2);
      border-radius: var(--radius-lg);
      padding: 30px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

    .rating-item {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .rating-badge {
      font-size: 2.4rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

    .rating-meta h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .rating-stars {
      color: #f59e0b;
      font-size: 1.2rem;
      letter-spacing: 2px;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      font-size: 0.92rem;
      border-bottom: 1px solid var(--border-color);
    }

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

    .compare-table th.highlight-col,
    .compare-table td.highlight-col {
      background: rgba(79, 70, 229, 0.04);
      color: var(--primary);
      font-weight: 700;
    }

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

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }

    .token-card.popular {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-lg);
    }

    .popular-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--vibrant-gradient);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 14px;
      border-radius: var(--radius-full);
    }

    .token-title {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .token-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 6px;
    }

    .token-price span {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-light);
    }

    .token-features {
      list-style: none;
      margin: 24px 0;
      text-align: left;
    }

    .token-features li {
      font-size: 0.9rem;
      color: var(--text-muted);
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-color);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .token-features li::before {
      content: "✓";
      color: #10b981;
      font-weight: 900;
    }

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

    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-card:hover {
      box-shadow: var(--shadow-md);
      border-color: rgba(79, 70, 229, 0.3);
      transform: translateY(-3px);
    }

    .testimonial-text {
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      font-style: italic;
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .user-avatar {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-full);
      background: var(--vibrant-gradient);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
    }

    .user-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-info p {
      font-size: 0.78rem;
      color: var(--text-light);
    }

    /* Articles & Wiki */
    .articles-wiki-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .panel-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }

    .panel-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 18px;
      padding-bottom: 12px;
      border-bottom: 2px solid #f1f5f9;
    }

    .article-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .article-links-list li a {
      font-size: 0.92rem;
      color: var(--text-main);
      text-decoration: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      background: var(--bg-page);
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      transition: var(--transition);
    }

    .article-links-list li a:hover {
      background: #ffffff;
      color: var(--primary);
      border-color: rgba(79, 70, 229, 0.3);
      transform: translateX(4px);
    }

    /* Contact & Form */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      align-items: start;
    }

    .contact-info-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .qr-card {
      display: flex;
      align-items: center;
      gap: 20px;
      background: var(--soft-gradient);
      padding: 20px;
      border-radius: var(--radius-md);
      margin-bottom: 24px;
      border: 1px solid rgba(79, 70, 229, 0.15);
    }

    .qr-card img {
      width: 105px;
      height: 105px;
      border-radius: 8px;
      border: 2px solid #ffffff;
      box-shadow: var(--shadow-sm);
      display: block;
    }

    .contact-detail-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 0.92rem;
      color: var(--text-muted);
    }

    .contact-detail-list li strong {
      color: var(--text-main);
      display: inline-block;
      width: 95px;
    }

    .demand-form-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-group label {
      display: block;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.92rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      transition: var(--transition);
      background: var(--bg-page);
      color: var(--text-main);
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 110px;
    }

    /* FAQ Section */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-header {
      padding: 20px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      user-select: none;
      transition: var(--transition);
    }

    .faq-header:hover {
      background-color: #f8fafc;
    }

    .faq-title {
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

    .faq-content {
      padding: 0 24px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #fcfdfe;
    }

    .faq-content p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      padding-bottom: 20px;
    }

    .faq-item.active {
      border-color: rgba(79, 70, 229, 0.3);
      box-shadow: var(--shadow-sm);
    }

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

    .faq-item.active .faq-content {
      max-height: 300px;
      padding-top: 10px;
    }

    /* Footer */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px 0;
      border-top: 1px solid #1e293b;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #f8fafc;
      margin-bottom: 18px;
    }

    .footer-col p {
      font-size: 0.88rem;
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links li a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 0.88rem;
      transition: var(--transition);
    }

    .footer-links li a:hover {
      color: #ffffff;
      padding-left: 4px;
    }

    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .friend-links-wrap a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 0.85rem;
      background: #1e293b;
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }

    .friend-links-wrap a:hover {
      background: #334155;
      color: #ffffff;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 0.82rem;
    }

    .footer-bottom p {
      color: #64748b;
    }

    /* Floating toolbars */
    .floating-tools {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-full);
      background: #ffffff;
      color: var(--primary);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      cursor: pointer;
      font-size: 1.1rem;
      font-weight: 700;
      transition: var(--transition);
    }

    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: translateY(-3px);
      box-shadow: var(--shadow-lg);
    }

    /* Responsive Queries */
    @media (max-width: 1024px) {
      .services-grid,
      .testimonial-grid,
      .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-stats-row {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        display: none;
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 12px 16px;
        width: 100%;
      }
      .nav-actions {
        display: none;
      }
      .hero-h1 {
        font-size: 2rem;
      }
      .hero-desc {
        font-size: 1.05rem;
      }
      .about-grid,
      .contact-grid,
      .articles-wiki-grid,
      .showcase-grid {
        grid-template-columns: 1fr;
      }
      .services-grid,
      .testimonial-grid,
      .token-grid,
      .workflow-timeline {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-stats-row {
        grid-template-columns: 1fr 1fr;
      }
      .section-wrap {
        padding: 60px 0;
      }
    }