/* CSS Standard Reset & Dynamic Palette */
    :root {
      --primary: #7f00ff;
      --primary-neon: #00f2fe;
      --secondary-neon: #ff007f;
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --bg-glass: rgba(255, 255, 255, 0.85);
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: rgba(127, 0, 255, 0.15);
      --shadow-neon: 0 8px 30px rgba(0, 242, 254, 0.15);
      --shadow-card: 0 4px 20px rgba(15, 23, 42, 0.06);
      --container-width: 1200px;
      --radius: 12px;
    }

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

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

    body {
      overflow-x: hidden;
      background: radial-gradient(circle at 50% 0%, rgba(0, 242, 254, 0.05), transparent 60%),
                  radial-gradient(circle at 80% 20%, rgba(255, 0, 127, 0.04), transparent 50%),
                  var(--bg-main);
    }

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

    /* Common Typography */
    h1, h2, h3, h4 {
      color: var(--text-main);
      font-weight: 700;
      line-height: 1.3;
    }

    h2.section-title {
      font-size: 2.2rem;
      text-align: center;
      margin-bottom: 12px;
      background: linear-gradient(135deg, #0f172a 0%, #7f00ff 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    p.section-subtitle {
      text-align: center;
      color: var(--text-muted);
      font-size: 1.05rem;
      max-width: 700px;
      margin: 0 auto 40px auto;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: all 0.3s ease;
    }

    a:hover {
      color: #00f2fe;
    }

    /* Buttons & Neon Badges */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: 50px;
      cursor: pointer;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      border: none;
      outline: none;
    }

    .btn-neon-primary {
      background: linear-gradient(135deg, #7f00ff 0%, #00f2fe 100%);
      color: #ffffff;
      box-shadow: 0 4px 15px rgba(127, 0, 255, 0.3);
    }

    .btn-neon-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(0, 242, 254, 0.5);
      color: #ffffff;
    }

    .btn-neon-outline {
      background: #ffffff;
      color: var(--text-main);
      border: 2px solid var(--primary);
    }

    .btn-neon-outline:hover {
      background: rgba(127, 0, 255, 0.05);
      border-color: var(--primary-neon);
      transform: translateY(-2px);
    }

    .badge-neon {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 20px;
      background: rgba(0, 242, 254, 0.1);
      color: #0088cc;
      border: 1px solid rgba(0, 242, 254, 0.3);
      margin-bottom: 12px;
    }

    /* Modern Glass Cards */
    .card {
      background: var(--bg-card);
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 24px;
      box-shadow: var(--shadow-card);
      transition: all 0.3s ease;
    }

    .card:hover {
      border-color: var(--primary-neon);
      box-shadow: var(--shadow-neon);
      transform: translateY(-4px);
    }

    /* Navbar */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(127, 0, 255, 0.1);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }

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

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

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      color: var(--text-main);
      font-size: 0.95rem;
      font-weight: 500;
    }

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

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 12px;
    }

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

    /* Hero Section (MUST NOT HAVE IMAGES) */
    .hero-section {
      padding: 80px 0 60px 0;
      text-align: center;
      position: relative;
    }

    .hero-badge-group {
      display: flex;
      justify-content: center;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 16px;
    }

    .hero-title {
      font-size: 2.8rem;
      letter-spacing: -0.5px;
      margin-bottom: 20px;
      background: linear-gradient(135deg, #0f172a 30%, #7f00ff 70%, #00f2fe 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.2rem;
      color: var(--text-muted);
      max-width: 800px;
      margin: 0 auto 36px auto;
    }

    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin-bottom: 50px;
      flex-wrap: wrap;
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 40px;
    }

    .stat-card {
      background: #ffffff;
      padding: 20px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
    }

    .stat-number {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary);
      background: linear-gradient(135deg, #7f00ff, #00f2fe);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* Section Wrapper Styles */
    .section-padding {
      padding: 70px 0;
    }

    .bg-light-alt {
      background-color: rgba(241, 245, 249, 0.6);
    }

    /* Service Grid */
    .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-card {
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .service-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: linear-gradient(135deg, rgba(127, 0, 255, 0.1), rgba(0, 242, 254, 0.2));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 16px;
      color: var(--primary);
    }

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

    .service-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      flex-grow: 1;
    }

    /* Tag Cloud */
    .model-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 30px;
    }

    .model-tag-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: 30px;
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-main);
      box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    }

    /* Step Timeline */
    .workflow-steps {
      display: flex;
      justify-content: space-between;
      position: relative;
      margin-top: 30px;
    }

    .workflow-step {
      flex: 1;
      text-align: center;
      padding: 0 10px;
      position: relative;
    }

    .step-number {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, #7f00ff, #00f2fe);
      color: #fff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
    }

    /* Evaluation Matrix Section */
    .eval-box {
      background: linear-gradient(135deg, #ffffff 0%, rgba(240, 249, 255, 0.8) 100%);
      border: 2px solid var(--primary-neon);
      border-radius: 16px;
      padding: 36px;
      box-shadow: var(--shadow-neon);
    }

    .eval-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
      border-bottom: 1px solid rgba(0, 0, 0, 0.08);
      padding-bottom: 20px;
      flex-wrap: wrap;
      gap: 16px;
    }

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

    .stars {
      color: #ffb800;
      font-size: 1.4rem;
      letter-spacing: 2px;
    }

    .score-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
    }

    .score-max {
      font-size: 1rem;
      color: var(--text-muted);
    }

    .table-responsive {
      overflow-x: auto;
    }

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

    .eval-table th, .eval-table td {
      padding: 14px 18px;
      border-bottom: 1px solid #e2e8f0;
    }

    .eval-table th {
      background-color: rgba(127, 0, 255, 0.05);
      font-weight: 700;
    }

    .eval-table td.highlight {
      font-weight: 700;
      color: var(--primary);
      background-color: rgba(0, 242, 254, 0.05);
    }

    /* Pricing Table */
    .token-price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .price-card {
      text-align: center;
      position: relative;
    }

    .price-card.featured {
      border: 2px solid var(--primary);
      transform: scale(1.03);
    }

    .price-amount {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary);
      margin: 16px 0;
    }

    .price-features {
      list-style: none;
      margin: 20px 0;
      text-align: left;
    }

    .price-features li {
      padding: 8px 0;
      border-bottom: 1px dashed #e2e8f0;
      font-size: 0.95rem;
    }

    /* Media Library Showcase */
    .case-card {
      overflow: hidden;
      border-radius: var(--radius);
      background: #fff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
    }

    .case-img-wrap {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background: #e2e8f0;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .case-card:hover .case-img-wrap img {
      transform: scale(1.05);
    }

    .case-body {
      padding: 20px;
    }

    /* Article List */
    .article-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .article-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 16px 20px;
      background: #ffffff;
      border-radius: 8px;
      border: 1px solid var(--border-color);
    }

    .article-item a {
      color: var(--text-main);
      font-weight: 600;
    }

    .article-item a:hover {
      color: var(--primary);
    }

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

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

    .avatar-placeholder {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #7f00ff, #00f2fe);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
    }

    /* FAQ Accordion */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      margin-bottom: 12px;
      overflow: hidden;
    }

    .faq-question {
      padding: 18px 24px;
      font-weight: 700;
      font-size: 1.05rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question::after {
      content: "+";
      font-size: 1.4rem;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-question::after {
      transform: rotate(45deg);
    }

    .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;
    }

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

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

    .contact-form {
      background: #ffffff;
      padding: 32px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
    }

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

    .form-group label {
      display: block;
      margin-bottom: 6px;
      font-weight: 600;
      font-size: 0.9rem;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cbd5e1;
      border-radius: 8px;
      font-size: 0.95rem;
      outline: none;
      transition: border-color 0.3s ease;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(127, 0, 255, 0.1);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    .contact-info-card {
      background: linear-gradient(135deg, rgba(127, 0, 255, 0.05), rgba(0, 242, 254, 0.05));
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 32px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .qr-box {
      text-align: center;
      margin-top: 20px;
    }

    .qr-box img {
      width: 140px;
      height: 140px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
    }

    /* Footer Style Alignment */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 50px 0 20px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 2fr;
      gap: 30px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #ffffff;
      margin-bottom: 16px;
      font-size: 1.1rem;
    }

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

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

    .footer-links a {
      color: #94a3b8;
    }

    .footer-links a:hover {
      color: #00f2fe;
    }

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

    .friend-links-box a {
      color: #94a3b8;
      font-size: 0.9rem;
      background: rgba(255, 255, 255, 0.05);
      padding: 4px 10px;
      border-radius: 4px;
    }

    .friend-links-box a:hover {
      color: #ffffff;
      background: var(--primary);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 20px;
      text-align: center;
      font-size: 0.85rem;
    }

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

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, #7f00ff, #00f2fe);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      cursor: pointer;
      border: none;
      font-size: 1.2rem;
    }

    /* Responsive Adaptation */
    @media (max-width: 992px) {
      .hero-title { font-size: 2.2rem; }
      .grid-4, .hero-stats { grid-template-columns: repeat(2, 1fr); }
      .grid-3, .reviews-grid, .token-price-grid { grid-template-columns: 1fr; }
      .contact-wrapper { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .workflow-steps { flex-direction: column; gap: 20px; }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
      }
      .nav-links.active { display: flex; }
      .mobile-menu-btn { display: block; }
      .hero-stats { grid-template-columns: 1fr; }
      .grid-2 { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
    }