/* CSS Variables & Theme Setup - Vibrant Royal Blue Style */
    :root {
      --primary: #0256FF;
      --primary-dark: #003ECC;
      --primary-light: #EFF4FF;
      --accent: #00D2FF;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #64748B;
      --bg-main: #FFFFFF;
      --bg-subtle: #F8FAFC;
      --bg-alt: #F1F5F9;
      --card-bg: #FFFFFF;
      --border-color: #E2E8F0;
      --shadow-sm: 0 1px 3px rgba(2, 86, 255, 0.06), 0 1px 2px rgba(0,0,0,0.04);
      --shadow-md: 0 4px 20px rgba(2, 86, 255, 0.08), 0 2px 8px rgba(0,0,0,0.04);
      --shadow-lg: 0 12px 32px rgba(2, 86, 255, 0.12), 0 4px 12px rgba(0,0,0,0.06);
      --radius: 12px;
      --transition: all 0.25s 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", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-main);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      background-color: var(--bg-main);
    }

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

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

    a:hover {
      color: var(--primary-dark);
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 600;
      border-radius: 8px;
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
      text-align: center;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #FFFFFF !important;
      box-shadow: 0 4px 14px rgba(2, 86, 255, 0.3);
    }

    .btn-primary:hover {
      background-color: var(--primary-dark);
      box-shadow: 0 6px 20px rgba(2, 86, 255, 0.4);
      transform: translateY(-1px);
    }

    .btn-outline {
      background: transparent;
      border-color: var(--primary);
      color: var(--primary) !important;
    }

    .btn-outline:hover {
      background-color: var(--primary-light);
      transform: translateY(-1px);
    }

    .badge {
      display: inline-block;
      padding: 4px 12px;
      font-size: 12px;
      font-weight: 600;
      border-radius: 20px;
      background-color: var(--primary-light);
      color: var(--primary);
      margin-bottom: 12px;
    }

    /* Header & Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
    }

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

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
    }

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

    .nav-container {
      display: flex;
      align-items: center;
    }

    /* STRICT REQUIREMENT: .nav-links gap set to 0 */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }

    .nav-links li a {
      display: block;
      padding: 8px 12px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-main);
      border-radius: 6px;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background-color: var(--primary-light);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-main);
      cursor: pointer;
    }

    /* Global Section Title */
    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px auto;
    }

    .section-header h2 {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }

    .section-header p {
      font-size: 16px;
      color: var(--text-muted);
    }

    /* Section Styles */
    section {
      padding: 72px 0;
      position: relative;
    }

    section:nth-child(even) {
      background-color: var(--bg-subtle);
    }

    /* HERO SECTION - ABSOLUTELY NO IMAGES */
    .hero-section {
      padding: 96px 0 80px 0;
      background: linear-gradient(180deg, #EFF4FF 0%, #FFFFFF 100%);
      text-align: center;
    }

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

    .hero-h1 {
      font-size: 38px;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.8px;
    }

    .hero-subtitle {
      font-size: 18px;
      color: var(--text-muted);
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-top: 24px;
    }

    .hero-tag-item {
      font-size: 13px;
      padding: 6px 14px;
      background-color: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 30px;
      color: var(--text-muted);
      box-shadow: var(--shadow-sm);
    }

    /* Component: Stats Counter Cards */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 24px;
      margin-top: 40px;
    }

    .stat-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .stat-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }

    .stat-number {
      font-size: 36px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 8px;
    }

    .stat-label {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* Feature Grid (Cards) */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }

    .grid-4 {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 20px;
    }

    .feature-card {
      background-color: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .feature-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background-color: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: bold;
      margin-bottom: 20px;
    }

    .feature-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .feature-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* Comparison Table Component */
    .comparison-wrapper {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .rating-banner {
      background: linear-gradient(90deg, #0256FF 0%, #00D2FF 100%);
      color: #FFFFFF;
      padding: 24px 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }

    .rating-info h3 {
      font-size: 22px;
      font-weight: 800;
    }

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

    .score-num {
      font-size: 42px;
      font-weight: 900;
      line-height: 1;
    }

    .stars {
      color: #FFD700;
      font-size: 20px;
      letter-spacing: 2px;
    }

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

    .comp-table th, .comp-table td {
      padding: 16px 24px;
      border-bottom: 1px solid var(--border-color);
      font-size: 14px;
    }

    .comp-table th {
      background-color: var(--bg-subtle);
      font-weight: 700;
      color: var(--text-main);
    }

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

    .comp-table .highlight {
      color: var(--primary);
      font-weight: 700;
    }

    /* Standard Process Component */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      position: relative;
    }

    .step-num {
      font-size: 13px;
      font-weight: 800;
      color: var(--primary);
      background: var(--primary-light);
      display: inline-block;
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 14px;
    }

    /* Form Styles */
    .form-container {
      max-width: 640px;
      margin: 0 auto;
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

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

    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 14px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      background-color: var(--bg-main);
      color: var(--text-main);
      transition: var(--transition);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(2, 86, 255, 0.15);
    }

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

    /* FAQ Accordion Component */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      overflow: hidden;
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: var(--text-main);
      user-select: none;
    }

    .faq-question::after {
      content: "+";
      font-size: 20px;
      color: var(--primary);
      font-weight: bold;
      transition: transform 0.2s;
    }

    .faq-item.open .faq-question::after {
      content: "−";
    }

    .faq-answer {
      display: none;
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    /* Customer Reviews Cards */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 24px;
    }

    .review-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

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

    .avatar-placeholder {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
    }

    .review-author {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }

    .review-role {
      font-size: 12px;
      color: var(--text-light);
    }

    .review-body {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Token Price Component */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
    }

    .token-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 20px;
      text-align: center;
    }

    .model-name {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .model-price {
      font-size: 24px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 12px;
    }

    /* Footer Setup */
    .site-footer {
      background-color: #0F172A;
      color: #94A3B8;
      padding: 60px 0 30px 0;
      font-size: 14px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #FFFFFF;
      font-size: 16px;
      margin-bottom: 20px;
      font-weight: 700;
    }

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

    .footer-col ul li {
      margin-bottom: 10px;
    }

    .footer-col ul li a {
      color: #94A3B8;
    }

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

    .qr-container {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
    }

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

    .friend-links {
      border-top: 1px solid #1E293B;
      padding-top: 24px;
      margin-top: 24px;
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
    }

    .friend-links span {
      color: #64748B;
      font-weight: 600;
    }

    .friend-links a {
      color: #94A3B8;
      font-size: 13px;
    }

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

    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: #64748B;
    }

    /* Floating Contact Widget */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background-color: var(--primary);
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px rgba(0,0,0,0.2);
      cursor: pointer;
      transition: var(--transition);
      font-size: 18px;
      border: none;
    }

    .float-btn:hover {
      transform: scale(1.1);
      background-color: var(--primary-dark);
    }

    /* Responsive Adjustments */
    @media (max-width: 992px) {
      .hero-h1 {
        font-size: 30px;
      }
      .mobile-toggle {
        display: block;
      }
      .nav-container {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        box-shadow: var(--shadow-md);
      }
      .nav-container.active {
        display: block;
      }
      .nav-links {
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 12px 16px;
      }
    }

    @media (max-width: 640px) {
      .hero-h1 {
        font-size: 24px;
      }
      .hero-subtitle {
        font-size: 15px;
      }
      .section-header h2 {
        font-size: 24px;
      }
      .rating-banner {
        flex-direction: column;
        align-items: flex-start;
      }
    }