/* CSS RESET & BASE STYLES */
    *, *::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, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: #f8fafc;
      color: #0f172a;
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* Vibrant Light Neon Decorative Backdrop */
    body::before {
      content: "";
      position: fixed;
      top: -200px;
      left: 50%;
      transform: translateX(-50%);
      width: 100vw;
      height: 800px;
      background: radial-gradient(circle, rgba(14, 165, 233, 0.12) 0%, rgba(168, 85, 247, 0.1) 40%, rgba(248, 250, 252, 0) 70%);
      z-index: -1;
      pointer-events: none;
    }

    /* UNIFIED CONTAINER */
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    a {
      color: #0284c7;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover {
      color: #0369a1;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* TYPOGRAPHY */
    h1, h2, h3, h4 {
      color: #0f172a;
      font-weight: 800;
      line-height: 1.25;
    }
    .section-title {
      font-size: 2rem;
      text-align: center;
      margin-bottom: 12px;
      background: linear-gradient(135deg, #0f172a 0%, #0284c7 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .section-desc {
      text-align: center;
      color: #475569;
      font-size: 1rem;
      max-width: 700px;
      margin: 0 auto 40px;
    }

    /* BUTTONS */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: 9999px;
      cursor: pointer;
      border: none;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
      white-space: nowrap;
    }
    .btn-primary {
      background: linear-gradient(135deg, #0284c7 0%, #7c3aed 100%);
      color: #ffffff !important;
      box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(124, 58, 237, 0.45);
    }
    .btn-outline {
      background: #ffffff;
      color: #0f172a !important;
      border: 2px solid #e2e8f0;
    }
    .btn-outline:hover {
      border-color: #0284c7;
      color: #0284c7 !important;
      transform: translateY(-2px);
    }
    .btn-neon {
      background: #0f172a;
      color: #38bdf8 !important;
      border: 1px solid #38bdf8;
    }
    .btn-neon:hover {
      background: #0284c7;
      color: #ffffff !important;
      box-shadow: 0 0 15px rgba(56, 189, 248, 0.5);
    }

    /* HEADER & NAVIGATION */
    .header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .ai-page-logo {
      height: 40px;
      width: auto;
    }
    
    /* MANDATORY CONSTRAINT: .nav-links gap must be 0 */
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }
    .nav-links li a {
      display: block;
      padding: 8px 12px;
      color: #334155;
      font-size: 0.88rem;
      font-weight: 600;
      border-radius: 6px;
    }
    .nav-links li a:hover {
      color: #0284c7;
      background: rgba(14, 165, 233, 0.08);
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: #0f172a;
      cursor: pointer;
    }

    /* HERO SECTION (STRICTLY NO IMAGES) */
    .hero-section {
      padding: 90px 0 60px;
      text-align: center;
      position: relative;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: rgba(14, 165, 233, 0.1);
      border: 1px solid rgba(14, 165, 233, 0.3);
      border-radius: 9999px;
      color: #0284c7;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 24px;
    }
    .hero-badge span {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #0284c7;
      box-shadow: 0 0 8px #0284c7;
    }
    .hero-title {
      font-size: 2.75rem;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
    }
    .hero-title .highlight {
      background: linear-gradient(135deg, #0284c7 0%, #a855f7 50%, #ec4899 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-subtitle {
      font-size: 1.15rem;
      color: #475569;
      max-width: 780px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }
    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-bottom: 50px;
      flex-wrap: wrap;
    }
    .hero-stats {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      padding: 24px;
      border-radius: 16px;
      box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
    }
    .stat-item {
      text-align: center;
    }
    .stat-val {
      font-size: 1.8rem;
      font-weight: 800;
      color: #0284c7;
    }
    .stat-lbl {
      font-size: 0.85rem;
      color: #64748b;
      margin-top: 4px;
    }

    /* SECTION CONTAINERS & CARDS */
    .section-block {
      padding: 70px 0;
      border-bottom: 1px solid #f1f5f9;
    }
    .section-block:nth-child(even) {
      background: #ffffff;
    }

    /* GRID LAYOUTS */
    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
      align-items: center;
    }
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    /* CARD STYLES */
    .card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 14px;
      padding: 28px;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }
    .card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(14, 165, 233, 0.12);
      border-color: #38bdf8;
    }
    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      color: #0284c7;
      margin-bottom: 18px;
    }
    .card-title {
      font-size: 1.15rem;
      margin-bottom: 10px;
    }
    .card-desc {
      font-size: 0.9rem;
      color: #64748b;
      line-height: 1.6;
    }

    /* MODEL TAGS CLOUD */
    .model-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 16px;
    }
    .tag {
      background: #f1f5f9;
      color: #334155;
      padding: 6px 14px;
      border-radius: 9999px;
      font-size: 0.8rem;
      font-weight: 600;
      border: 1px solid #e2e8f0;
      transition: all 0.2s;
    }
    .tag:hover {
      background: #0284c7;
      color: #ffffff;
      border-color: #0284c7;
    }

    /* SCENE CARDS */
    .scene-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 20px;
      border-left: 4px solid #0284c7;
    }
    .scene-card h4 {
      font-size: 1rem;
      margin-bottom: 6px;
      color: #0f172a;
    }
    .scene-card p {
      font-size: 0.85rem;
      color: #64748b;
    }

    /* PROCESS STEPS */
    .process-step {
      text-align: center;
      position: relative;
      padding: 24px;
    }
    .step-num {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: linear-gradient(135deg, #0284c7 0%, #7c3aed 100%);
      color: #ffffff;
      font-size: 1.25rem;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      box-shadow: 0 4px 15px rgba(2, 132, 199, 0.3);
    }

    /* RATING & COMPARISON TABLE */
    .rating-box {
      background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
      color: #ffffff;
      border-radius: 16px;
      padding: 32px;
      margin-bottom: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }
    .rating-score {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .score-num {
      font-size: 3.5rem;
      font-weight: 900;
      color: #38bdf8;
      line-height: 1;
    }
    .score-stars {
      color: #f59e0b;
      font-size: 1.4rem;
    }

    .table-wrapper {
      width: 100%;
      overflow-x: auto;
    }
    .comp-table {
      width: 100%;
      border-collapse: collapse;
      background: #ffffff;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    }
    .comp-table th, .comp-table td {
      padding: 16px 20px;
      text-align: left;
      border-bottom: 1px solid #e2e8f0;
      font-size: 0.9rem;
    }
    .comp-table th {
      background: #f8fafc;
      color: #0f172a;
      font-weight: 700;
    }
    .comp-table th.highlight-col, .comp-table td.highlight-col {
      background: rgba(14, 165, 233, 0.05);
      color: #0284c7;
      font-weight: 700;
    }

    /* TOKEN PRICE CARDS */
    .price-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 20px;
      text-align: center;
    }
    .price-card .model-name {
      font-weight: 700;
      font-size: 1.05rem;
      margin-bottom: 8px;
    }
    .price-card .price-val {
      font-size: 1.5rem;
      color: #16a34a;
      font-weight: 800;
      margin-bottom: 4px;
    }
    .price-card .price-sub {
      font-size: 0.75rem;
      color: #94a3b8;
    }

    /* FAQ ACCORDION */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 10px;
      margin-bottom: 12px;
      overflow: hidden;
    }
    .faq-header {
      padding: 18px 24px;
      font-weight: 700;
      font-size: 0.98rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: #0f172a;
    }
    .faq-header::after {
      content: "+";
      font-size: 1.4rem;
      color: #0284c7;
      transition: transform 0.2s;
    }
    .faq-item.active .faq-header::after {
      content: "-";
    }
    .faq-body {
      padding: 0 24px 18px;
      display: none;
      color: #475569;
      font-size: 0.9rem;
      line-height: 1.7;
      border-top: 1px dashed #f1f5f9;
      margin-top: 4px;
      padding-top: 14px;
    }
    .faq-item.active .faq-body {
      display: block;
    }

    /* REVIEWS SECTION */
    .review-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-text {
      font-size: 0.9rem;
      color: #334155;
      font-style: italic;
      margin-bottom: 16px;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .avatar-placeholder {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
    }
    .author-info h5 {
      font-size: 0.9rem;
      color: #0f172a;
    }
    .author-info p {
      font-size: 0.78rem;
      color: #64748b;
    }

    /* FORM & CONTACT */
    .contact-wrapper {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 16px;
      padding: 36px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    }
    .form-group {
      margin-bottom: 20px;
    }
    .form-group label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: #334155;
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cbd5e1;
      border-radius: 8px;
      font-size: 0.9rem;
      outline: none;
      transition: border-color 0.2s;
    }
    .form-control:focus {
      border-color: #0284c7;
      box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    .contact-info-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .contact-info-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
    }
    .contact-info-item strong {
      color: #0f172a;
      display: block;
    }
    .qr-box {
      margin-top: 16px;
      text-align: center;
      background: #f8fafc;
      padding: 16px;
      border-radius: 12px;
      border: 1px solid #e2e8f0;
      display: inline-block;
    }
    .qr-box img {
      width: 130px;
      height: 130px;
      margin: 0 auto 8px;
    }

    /* ARTICLES LIST */
    .article-link-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .article-item-link {
      padding: 14px 20px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 8px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: #334155;
      font-weight: 600;
    }
    .article-item-link:hover {
      border-color: #0284c7;
      background: #f0f9ff;
      color: #0284c7;
    }

    /* FOOTER */
    .footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 50px 0 30px;
      font-size: 0.88rem;
    }
    .footer-inner {
      display: flex;
      flex-direction: column;
      gap: 30px;
    }
    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px 20px;
      padding-top: 20px;
      border-top: 1px solid #1e293b;
    }
    .friend-links a {
      color: #94a3b8;
    }
    .friend-links a:hover {
      color: #38bdf8;
    }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid #1e293b;
      padding-top: 20px;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* FLOATING WIDGETS */
    .floating-widget {
      position: fixed;
      bottom: 30px;
      right: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #0284c7;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      cursor: pointer;
      font-size: 1.2rem;
      border: none;
    }
    .float-btn:hover {
      background: #0369a1;
      transform: scale(1.08);
    }

    /* RESPONSIVE MEDIA QUERIES */
    @media (max-width: 992px) {
      .grid-4 { grid-template-columns: repeat(2, 1fr); }
      .grid-3 { grid-template-columns: repeat(2, 1fr); }
      .grid-2 { grid-template-columns: 1fr; }
      .hero-title { font-size: 2.1rem; }
      .nav-links { display: none; }
      .mobile-menu-btn { display: block; }
      .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid #e2e8f0;
        padding: 16px;
        box-shadow: 0 10px 25px rgba(0,0,0,0.1);
      }
      .nav-links.active li a {
        padding: 10px 16px;
      }
    }

    @media (max-width: 640px) {
      .grid-4, .grid-3, .hero-stats { grid-template-columns: 1fr; }
      .hero-title { font-size: 1.75rem; }
      .rating-box { text-align: center; justify-content: center; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }