:root {
      --primary: #5a27eb;
      --primary-accent: #ff007a;
      --secondary: #00d2ff;
      --accent-warm: #ff6a00;
      --bg-page: #f8fafc;
      --bg-surface: #ffffff;
      --bg-subtle: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #e2e8f0;
      --gradient-brand: linear-gradient(135deg, #ff007a 0%, #7928ca 50%, #00d2ff 100%);
      --gradient-soft: linear-gradient(180deg, #fdf4ff 0%, #f0fdfa 100%);
      --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 10px 15px -3px rgba(90, 39, 235, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 20px 25px -5px rgba(90, 39, 235, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --radius-md: 14px;
      --radius-lg: 20px;
      --container-width: 1200px;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }
    .container {
      width: 100%;
      max-width: var(--container-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    .header-nav {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }
    .header-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }
    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }
    .brand-wrap .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
    }
    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }
    .nav-links li a {
      color: var(--text-main);
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 600;
      padding: 8px 12px;
      border-radius: 8px;
      transition: color 0.2s ease, background-color 0.2s ease;
      display: inline-block;
    }
    .nav-links li a:hover {
      color: var(--primary);
      background: rgba(90, 39, 235, 0.06);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 700;
      font-size: 0.95rem;
      padding: 10px 22px;
      border-radius: 9999px;
      text-decoration: none;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      cursor: pointer;
      border: 1px solid transparent;
    }
    .btn-gradient {
      background: var(--gradient-brand);
      color: #ffffff;
      box-shadow: 0 4px 15px rgba(255, 0, 122, 0.3);
    }
    .btn-gradient:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(255, 0, 122, 0.45);
      color: #ffffff;
    }
    .btn-secondary {
      background: #ffffff;
      color: var(--primary);
      border-color: rgba(90, 39, 235, 0.3);
    }
    .btn-secondary:hover {
      background: rgba(90, 39, 235, 0.05);
      border-color: var(--primary);
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 8px;
    }

    .hero-section {
      position: relative;
      padding: 80px 0 70px;
      background: radial-gradient(circle at 10% 20%, rgba(255, 0, 122, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(0, 210, 255, 0.1) 0%, transparent 40%),
                  linear-gradient(180deg, #ffffff 0%, #faf5ff 50%, #f8fafc 100%);
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }
    .hero-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: rgba(255, 0, 122, 0.1);
      border: 1px solid rgba(255, 0, 122, 0.25);
      border-radius: 999px;
      font-size: 0.85rem;
      font-weight: 700;
      color: #c2005d;
      margin-bottom: 24px;
    }
    .hero-badge span {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #ff007a;
      box-shadow: 0 0 10px #ff007a;
    }
    .hero-title {
      font-size: clamp(2rem, 4vw, 3.2rem);
      font-weight: 900;
      line-height: 1.25;
      letter-spacing: -1px;
      color: var(--text-main);
      margin-bottom: 20px;
    }
    .hero-title .highlight {
      background: var(--gradient-brand);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 32px;
      max-width: 780px;
    }
    .hero-buttons {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 16px;
      margin-bottom: 40px;
    }
    .btn-hero-primary {
      padding: 14px 34px;
      font-size: 1.1rem;
    }
    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }
    .hero-tags span {
      background: #ffffff;
      border: 1px solid var(--border-color);
      color: var(--text-muted);
      padding: 4px 14px;
      border-radius: 20px;
      font-size: 0.82rem;
      font-weight: 600;
    }

    .section-wrap {
      padding: 80px 0;
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px;
    }
    .section-eyebrow {
      font-size: 0.85rem;
      text-transform: uppercase;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: 1.5px;
      margin-bottom: 10px;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: -35px;
      position: relative;
      z-index: 2;
    }
    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .stat-value {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.2;
    }
    .stat-label {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
      margin-top: 6px;
    }
    .stat-hint {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    .about-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }
    .about-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .about-info h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .about-info p {
      color: var(--text-muted);
      margin-bottom: 16px;
      font-size: 1rem;
    }
    .pill-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 24px;
    }
    .pill-item {
      background: var(--bg-subtle);
      border: 1px solid var(--border-color);
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--text-main);
      padding: 5px 12px;
      border-radius: 99px;
    }
    .about-visual-card {
      background: linear-gradient(135deg, rgba(90, 39, 235, 0.05) 0%, rgba(0, 210, 255, 0.08) 100%);
      border: 1px dashed var(--primary);
      border-radius: var(--radius-md);
      padding: 30px;
    }
    .about-visual-card ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .about-visual-card li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 0.95rem;
      color: var(--text-main);
      font-weight: 600;
    }
    .about-visual-card li svg {
      flex-shrink: 0;
      margin-top: 3px;
      color: var(--primary);
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .service-card:hover {
      border-color: var(--primary);
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
    }
    .service-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(90, 39, 235, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      margin-bottom: 20px;
    }
    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .service-feature-tag {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--primary-accent);
      background: rgba(255, 0, 122, 0.08);
      padding: 4px 10px;
      border-radius: 6px;
      display: inline-block;
      width: fit-content;
    }

    .showcase-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }
    .showcase-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .showcase-img-box {
      width: 100%;
      height: 240px;
      overflow: hidden;
      background: var(--bg-subtle);
    }
    .showcase-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .showcase-card:hover .showcase-img-box img {
      transform: scale(1.04);
    }
    .showcase-body {
      padding: 24px;
    }
    .showcase-body h3 {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .showcase-body p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .promo-banner {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      margin-top: 40px;
      display: flex;
      align-items: center;
      gap: 30px;
    }
    .promo-banner-img {
      flex: 1;
      max-width: 480px;
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .promo-banner-text {
      flex: 1;
    }
    .promo-banner-text h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 12px;
    }
    .promo-banner-text p {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .process-step {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      position: relative;
    }
    .step-number {
      font-size: 2.2rem;
      font-weight: 900;
      color: rgba(90, 39, 235, 0.15);
      line-height: 1;
      margin-bottom: 14px;
    }
    .process-step h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .process-step p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .compare-container {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }
    .rating-banner {
      background: linear-gradient(90deg, #1e1b4b 0%, #31104b 100%);
      color: #ffffff;
      padding: 24px 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }
    .rating-meta {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .rating-score {
      font-size: 3rem;
      font-weight: 900;
      color: #ffcc00;
      line-height: 1;
    }
    .rating-stars {
      color: #ffcc00;
      font-size: 1.3rem;
      letter-spacing: 2px;
    }
    .rating-recommend {
      font-size: 0.95rem;
      color: #e2e8f0;
    }
    .table-scroll {
      overflow-x: auto;
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }
    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }
    .compare-table th {
      background: var(--bg-subtle);
      font-weight: 700;
      color: var(--text-main);
    }
    .compare-table td.col-brand {
      font-weight: 700;
      color: var(--primary);
      background: rgba(90, 39, 235, 0.03);
    }

    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .token-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .token-price {
      font-size: 1.8rem;
      font-weight: 900;
      color: #c2005d;
      margin: 12px 0;
    }
    .token-official {
      font-size: 0.85rem;
      color: var(--text-muted);
      text-decoration: line-through;
    }
    .token-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-top: 10px;
      line-height: 1.5;
    }

    .form-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 40px;
      box-shadow: var(--shadow-sm);
      max-width: 860px;
      margin: 0 auto;
    }
    .form-group-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-bottom: 20px;
    }
    .form-group {
      margin-bottom: 20px;
      display: flex;
      flex-direction: column;
    }
    .form-group label {
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      font-size: 0.95rem;
      background: var(--bg-page);
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s ease;
    }
    .form-control:focus {
      border-color: var(--primary);
      background: #ffffff;
    }
    textarea.form-control {
      resize: vertical;
      min-height: 120px;
    }

    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.2s;
    }
    .faq-item:hover {
      border-color: var(--primary);
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }
    .faq-question span.arrow {
      font-size: 1.2rem;
      color: var(--primary);
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-question span.arrow {
      transform: rotate(180deg);
    }
    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.7;
    }
    .faq-item.active .faq-answer {
      display: block;
    }

    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
    }
    .review-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }
    .review-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--gradient-brand);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
    }
    .review-role {
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .review-text {
      font-size: 0.93rem;
      color: var(--text-main);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .review-rating {
      color: #ff9900;
      font-size: 0.85rem;
    }

    .articles-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
    }
    .article-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px;
      text-decoration: none;
      color: var(--text-main);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.2s ease;
    }
    .article-card:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    .article-card h3 {
      font-size: 0.95rem;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 8px;
    }
    .article-link-text {
      font-size: 0.8rem;
      color: var(--primary);
      font-weight: 600;
    }

    .contact-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: center;
    }
    .contact-details {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
    }
    .contact-row {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 20px;
      font-size: 1rem;
      color: var(--text-main);
    }
    .qr-box-wrap {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
    }
    .qr-box-wrap img {
      width: 180px;
      height: 180px;
      object-fit: cover;
      border-radius: 12px;
      border: 1px solid var(--border-color);
      margin-bottom: 14px;
    }

    .footer-section {
      background: #111827;
      color: #9ca3af;
      padding: 60px 0 30px;
      margin-top: auto;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 2fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-col h3 {
      color: #ffffff;
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links li a {
      color: #9ca3af;
      text-decoration: none;
      font-size: 0.9rem;
      transition: color 0.2s;
    }
    .footer-links li a:hover {
      color: #ffffff;
    }
    .footer-friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .footer-friend-links a {
      color: #9ca3af;
      text-decoration: none;
      font-size: 0.85rem;
      background: rgba(255, 255, 255, 0.05);
      padding: 4px 10px;
      border-radius: 4px;
      transition: all 0.2s;
    }
    .footer-friend-links a:hover {
      color: #ffffff;
      background: var(--primary);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
    }
    .footer-bottom a {
      color: #d1d5db;
      text-decoration: none;
    }

    .fixed-floating {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: #ffffff;
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      text-decoration: none;
      cursor: pointer;
      transition: transform 0.2s ease;
    }
    .float-btn:hover {
      transform: scale(1.08);
    }

    @media (max-width: 1024px) {
      .services-grid, .reviews-grid, .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .articles-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .header-container {
        position: relative;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-actions {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        margin-top: 20px;
      }
      .about-grid, .showcase-grid, .promo-banner, .contact-layout {
        grid-template-columns: 1fr;
      }
      .promo-banner {
        flex-direction: column;
      }
      .services-grid, .reviews-grid, .token-grid, .articles-grid, .process-timeline {
        grid-template-columns: 1fr;
      }
      .form-group-row {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }