/* CSS Standard Reset & Cyber Neon Light Design System */
    :root {
      --primary-neon: #00d2ff;
      --secondary-neon: #7928ca;
      --accent-magenta: #ff0080;
      --bg-light: #f8fafc;
      --card-bg: #ffffff;
      --card-border: rgba(0, 210, 255, 0.18);
      --text-dark: #0f172a;
      --text-muted: #475569;
      --text-light-muted: #64748b;
      --box-shadow-neon: 0 10px 30px -10px rgba(0, 210, 255, 0.25);
      --box-shadow-hover: 0 20px 40px -15px rgba(121, 40, 202, 0.35);
      --container-max: 1200px;
      --radius-lg: 16px;
      --radius-md: 10px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-light);
      color: var(--text-dark);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      background: radial-gradient(circle at 10% 20%, rgba(0, 210, 255, 0.05) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(255, 0, 128, 0.04) 0%, transparent 40%),
                  #f8fafc;
    }

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

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

    .gradient-text {
      background: linear-gradient(135deg, #007cf0, #00dfd8 50%, #7928ca);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .section-title {
      font-size: 2.2rem;
      text-align: center;
      margin-bottom: 12px;
      position: relative;
    }

    .section-subtitle {
      text-align: center;
      color: var(--text-muted);
      font-size: 1.05rem;
      margin-bottom: 48px;
    }

    /* Header & Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(0, 210, 255, 0.15);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    }

    .header-inner {
      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: 38px;
      width: auto;
      display: block;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-dark);
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.25s ease, transform 0.25s ease;
    }

    .nav-links li a:hover {
      color: #007cf0;
      transform: translateY(-1px);
    }

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

    .btn-neon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: 50px;
      text-decoration: none;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      cursor: pointer;
      border: none;
    }

    .btn-neon-primary {
      background: linear-gradient(135deg, #00d2ff, #7928ca);
      color: #ffffff;
      box-shadow: 0 4px 15px rgba(0, 210, 255, 0.35);
    }

    .btn-neon-primary:hover {
      box-shadow: 0 8px 25px rgba(121, 40, 202, 0.45);
      transform: translateY(-2px);
    }

    .btn-neon-outline {
      background: transparent;
      color: var(--text-dark);
      border: 1.5px solid rgba(0, 210, 255, 0.5);
    }

    .btn-neon-outline:hover {
      border-color: #7928ca;
      color: #7928ca;
      background: rgba(121, 40, 202, 0.05);
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-dark);
      cursor: pointer;
    }

    /* Hero Section (No Images Allowed) */
    .hero-section {
      padding: 80px 0 60px;
      position: relative;
      overflow: hidden;
      background: radial-gradient(circle at 50% 0%, rgba(0, 210, 255, 0.12) 0%, rgba(121, 40, 202, 0.05) 50%, transparent 80%);
    }

    .hero-content {
      text-align: center;
      max-width: 880px;
      margin: 0 auto;
    }

    .badge-neon {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: rgba(0, 210, 255, 0.08);
      border: 1px solid rgba(0, 210, 255, 0.3);
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 600;
      color: #007cf0;
      margin-bottom: 24px;
    }

    .badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-magenta);
      box-shadow: 0 0 10px var(--accent-magenta);
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0% { opacity: 0.4; }
      50% { opacity: 1; }
      100% { opacity: 0.4; }
    }

    .hero-title {
      font-size: 3rem;
      letter-spacing: -1px;
      margin-bottom: 20px;
    }

    .hero-desc {
      font-size: 1.2rem;
      color: var(--text-muted);
      margin-bottom: 36px;
      line-height: 1.7;
    }

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

    .hero-portal-btn {
      padding: 14px 32px;
      font-size: 1.05rem;
    }

    /* Stats Indicator Section */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 30px;
    }

    .stat-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      text-align: center;
      box-shadow: var(--box-shadow-neon);
      transition: transform 0.3s ease;
    }

    .stat-card:hover {
      transform: translateY(-4px);
    }

    .stat-number {
      font-size: 2rem;
      font-weight: 800;
      background: linear-gradient(135deg, #00d2ff, #7928ca);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* Section Component Base */
    .py-section {
      padding: 80px 0;
    }

    .bg-alt {
      background-color: #ffffff;
      border-top: 1px solid rgba(0, 210, 255, 0.08);
      border-bottom: 1px solid rgba(0, 210, 255, 0.08);
    }

    /* Card Matrix Grid Layout */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    /* Service Cards */
    .service-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 28px;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .service-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: linear-gradient(180deg, var(--primary-neon), var(--secondary-neon));
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .service-card:hover {
      box-shadow: var(--box-shadow-hover);
      transform: translateY(-5px);
      border-color: rgba(121, 40, 202, 0.3);
    }

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

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(0, 210, 255, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 18px;
      color: #007cf0;
    }

    .card-title {
      font-size: 1.2rem;
      margin-bottom: 10px;
    }

    .card-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .mini-tag {
      font-size: 0.75rem;
      padding: 3px 10px;
      border-radius: 12px;
      background: #f1f5f9;
      color: var(--text-muted);
      border: 1px solid #e2e8f0;
    }

    /* Process Section */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-item {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      position: relative;
    }

    .step-number {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, #00d2ff, #7928ca);
      color: #fff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
    }

    /* Comparison Table Styling */
    .comp-container {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--box-shadow-neon);
    }

    .comp-header-banner {
      background: linear-gradient(135deg, rgba(0, 210, 255, 0.1), rgba(121, 40, 202, 0.1));
      padding: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--card-border);
    }

    .score-badge {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .score-num {
      font-size: 2.4rem;
      font-weight: 900;
      color: #7928ca;
    }

    .score-stars {
      color: #ffb800;
      font-size: 1.2rem;
    }

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

    .comp-table th, .comp-table td {
      padding: 16px 24px;
      border-bottom: 1px solid #f1f5f9;
      font-size: 0.95rem;
    }

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

    .comp-table tr:hover {
      background: rgba(0, 210, 255, 0.02);
    }

    .highlight-cell {
      color: #007cf0;
      font-weight: 600;
    }

    /* Token Price Component */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .token-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 20px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .token-price {
      font-size: 1.5rem;
      font-weight: 800;
      color: #7928ca;
      margin: 10px 0;
    }

    /* Media Grid Section */
    .media-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      overflow: hidden;
    }

    .media-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .media-info {
      padding: 16px;
    }

    /* Reviews Section */
    .review-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 16px;
    }

    .user-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #00d2ff, #ff0080);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 700;
    }

    /* Article List */
    .article-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .article-item {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 16px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      text-decoration: none;
      color: var(--text-dark);
      transition: background 0.2s ease;
    }

    .article-item:hover {
      background: rgba(0, 210, 255, 0.04);
      color: #007cf0;
    }

    /* FAQ Accordion */
    .faq-grid {
      display: flex;
      flex-direction: column;
      gap: 12px;
      max-width: 900px;
      margin: 0 auto;
    }

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

    .faq-question {
      width: 100%;
      padding: 18px 24px;
      text-align: left;
      background: none;
      border: none;
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-dark);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 24px;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.6;
    }

    .faq-item.active .faq-answer {
      max-height: 200px;
      padding: 0 24px 18px;
    }

    .faq-icon {
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }

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

    .form-box {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--box-shadow-neon);
    }

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

    .form-group label {
      display: block;
      margin-bottom: 8px;
      font-size: 0.9rem;
      font-weight: 600;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-md);
      font-size: 0.95rem;
      transition: border-color 0.2s ease;
    }

    .form-control:focus {
      outline: none;
      border-color: #007cf0;
      box-shadow: 0 0 0 3px rgba(0, 124, 240, 0.15);
    }

    /* Footer Section */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      border-top: 1px solid rgba(0, 210, 255, 0.2);
    }

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

    .footer-col h4 {
      color: #f8fafc;
      font-size: 1.05rem;
      margin-bottom: 20px;
    }

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

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

    .footer-links a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 0.9rem;
      transition: color 0.2s ease;
    }

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

    .friend-links-box {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 12px;
    }

    .friend-links-box a {
      color: #cbd5e1;
      text-decoration: none;
      font-size: 0.88rem;
      background: rgba(255, 255, 255, 0.05);
      padding: 4px 12px;
      border-radius: 4px;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .friend-links-box a:hover {
      color: var(--primary-neon);
      border-color: var(--primary-neon);
    }

    .qr-card {
      text-align: center;
    }

    .qr-card img {
      width: 120px;
      height: 120px;
      border-radius: 8px;
      margin-bottom: 8px;
      border: 2px solid var(--primary-neon);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      text-align: center;
      font-size: 0.88rem;
    }

    /* Floating Widget */
    .floating-kefu {
      position: fixed;
      right: 24px;
      bottom: 24px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: linear-gradient(135deg, #00d2ff, #7928ca);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
      text-decoration: none;
      cursor: pointer;
      border: none;
      font-size: 1.2rem;
    }

    /* Responsive Adaptation */
    @media (max-width: 1024px) {
      .grid-4, .hero-stats-grid, .process-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px 0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        border-bottom: 1px solid rgba(0,210,255,0.2);
      }
      .nav-links.active {
        display: flex;
      }
      .hero-title {
        font-size: 2rem;
      }
      .grid-3, .grid-2, .token-grid, .hero-stats-grid, .process-steps {
        grid-template-columns: 1fr;
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .comp-table {
        display: block;
        overflow-x: auto;
      }
    }