/* CSS Variables & Global Reset */
    :root {
      --primary: #4f46e5;
      --primary-hover: #4338ca;
      --accent-magenta: #db2777;
      --accent-cyan: #0891b2;
      --accent-amber: #d97706;
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --bg-dark: #0f172a;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --text-white: #ffffff;
      --border-color: #e2e8f0;
      --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 20px 30px -10px rgba(79, 70, 229, 0.15);
      --radius: 12px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      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;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
    }

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

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

    ul, ol {
      list-style: none;
    }

    /* Container Standard */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
      width: 100%;
    }

    /* Header & Navigation */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

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

    .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0; /* Strictly set gap to 0 per specification */
    }

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-main);
      border-radius: 6px;
    }

    .nav-links li a:hover {
      color: var(--primary);
      background-color: #f1f5f9;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 15px;
      font-weight: 600;
      border-radius: 8px;
      cursor: pointer;
      border: 2px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, #6366f1 100%);
      color: var(--text-white);
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
      color: var(--text-white);
    }

    .btn-accent {
      background: linear-gradient(135deg, var(--accent-magenta) 0%, #f43f5e 100%);
      color: var(--text-white);
      box-shadow: 0 4px 14px rgba(219, 39, 119, 0.35);
    }

    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(219, 39, 119, 0.45);
      color: var(--text-white);
    }

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

    .btn-outline:hover {
      background-color: var(--primary);
      color: var(--text-white);
    }

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

    /* Section Global Styles */
    section {
      padding: 70px 0;
      position: relative;
    }

    .section-title-wrap {
      text-align: center;
      margin-bottom: 45px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      border-radius: 20px;
      background: #e0e7ff;
      color: var(--primary);
      margin-bottom: 12px;
    }

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

    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
    }

    /* Hero Section (No Images as per rule) */
    .hero-section {
      background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #311042 100%);
      color: var(--text-white);
      padding: 90px 0 80px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .hero-section::before {
      content: '';
      position: absolute;
      top: -100px;
      left: 50%;
      transform: translateX(-50%);
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(99, 102, 241, 0.25) 0%, rgba(219, 39, 119, 0.1) 50%, transparent 70%);
      pointer-events: none;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 30px;
      font-size: 14px;
      font-weight: 500;
      margin-bottom: 24px;
      backdrop-filter: blur(10px);
    }

    .hero-badge span {
      background: #ec4899;
      color: #fff;
      padding: 2px 8px;
      border-radius: 10px;
      font-size: 12px;
      font-weight: 700;
    }

    .hero-title {
      font-size: 40px;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
      background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 50%, #f472b6 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 18px;
      color: #cbd5e1;
      max-width: 760px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      margin-bottom: 50px;
      flex-wrap: wrap;
    }

    .hero-cta-main {
      padding: 14px 36px;
      font-size: 17px;
      border-radius: 30px;
    }

    /* Stats Grid Cards inside Hero */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 20px;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 14px;
      padding: 22px 16px;
      text-align: center;
      backdrop-filter: blur(8px);
      transition: var(--transition);
    }

    .stat-card:hover {
      background: rgba(255, 255, 255, 0.1);
      transform: translateY(-4px);
    }

    .stat-num {
      font-size: 32px;
      font-weight: 800;
      color: #38bdf8;
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 14px;
      color: #94a3b8;
    }

    /* About Section */
    .about-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 40px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-text h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .about-text p {
      color: var(--text-muted);
      margin-bottom: 20px;
      font-size: 15px;
      line-height: 1.7;
    }

    .feature-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .feature-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
    }

    .feature-item::before {
      content: '✓';
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      background: #dcfce7;
      color: #16a34a;
      border-radius: 50%;
      font-size: 12px;
    }

    .models-tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 15px;
    }

    .model-chip {
      padding: 6px 14px;
      background: #f1f5f9;
      border: 1px solid #cbd5e1;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
    }

    /* Grid Layouts for Capabilities & Services */
    .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-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }

    .card-item:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: #cbd5e1;
    }

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 18px;
    }

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

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

    /* One-Stop Creation Section (Rich Cards) */
    .creation-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .creation-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-top: 4px solid var(--primary);
      border-radius: var(--radius);
      padding: 24px;
      transition: var(--transition);
    }

    .creation-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }

    .creation-card.accent-1 { border-top-color: var(--accent-magenta); }
    .creation-card.accent-2 { border-top-color: var(--accent-cyan); }
    .creation-card.accent-3 { border-top-color: var(--accent-amber); }

    .creation-tag {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 8px;
      display: block;
    }

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

    .step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px 20px;
      text-align: center;
      position: relative;
    }

    .step-num {
      width: 40px;
      height: 40px;
      background: var(--primary);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      margin: 0 auto 16px;
    }

    /* Case Center & Promo Gallery */
    .promo-gallery {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .promo-gallery img {
      width: 100%;
      height: 220px;
      object-fit: cover;
      border-radius: 12px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .promo-gallery img:hover {
      transform: scale(1.03);
      box-shadow: var(--shadow-md);
    }

    .media-horizontal-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 24px;
    }

    .media-horizontal-wrap img {
      width: 100%;
      height: 260px;
      object-fit: cover;
      border-radius: 12px;
    }

    /* Comparison Table Section */
    .eval-box {
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
      color: #fff;
      border-radius: 16px;
      padding: 30px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

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

    .score-num {
      font-size: 48px;
      font-weight: 900;
      color: #f59e0b;
      line-height: 1;
    }

    .score-stars {
      color: #f59e0b;
      font-size: 24px;
      letter-spacing: 2px;
    }

    .eval-table-wrap {
      overflow-x: auto;
      background: var(--bg-card);
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    table.eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }

    table.eval-table th, table.eval-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }

    table.eval-table th {
      background: #f8fafc;
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }

    table.eval-table td.highlight {
      font-weight: 700;
      color: var(--primary);
      background: #f0f4ff;
    }

    /* Token Price Comparison Table */
    .token-table-wrap {
      overflow-x: auto;
      background: #fff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
    }

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

    .token-table th, .token-table td {
      padding: 14px 18px;
      border-bottom: 1px solid var(--border-color);
      font-size: 14px;
    }

    .token-table th {
      background: #f1f5f9;
      font-weight: 700;
    }

    .badge-discount {
      display: inline-block;
      padding: 2px 8px;
      background: #fee2e2;
      color: #ef4444;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 700;
    }

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

    .review-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 14px;
      color: var(--text-main);
      font-style: italic;
      margin-bottom: 18px;
      line-height: 1.6;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .avatar-placeholder {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent-magenta) 100%);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 16px;
    }

    .author-info h4 {
      font-size: 15px;
      font-weight: 700;
    }

    .author-info p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* FAQ Accordion */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-header {
      padding: 18px 24px;
      font-weight: 700;
      font-size: 16px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
      background: #ffffff;
    }

    .faq-header::after {
      content: '+';
      font-size: 20px;
      font-weight: 400;
      color: var(--primary);
      transition: var(--transition);
    }

    .faq-item.active .faq-header::after {
      content: '-';
    }

    .faq-body {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #f8fafc;
    }

    .faq-content {
      padding: 18px 24px;
      font-size: 14px;
      color: var(--text-muted);
      border-top: 1px solid var(--border-color);
      line-height: 1.7;
    }

    /* AI Encyclopedia & News Links Section */
    .news-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 30px;
    }

    .news-block, .encyclopedia-block {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px;
    }

    .article-links-list li {
      margin-bottom: 12px;
      padding-bottom: 12px;
      border-bottom: 1px dashed var(--border-color);
    }

    .article-links-list li:last-child {
      border-bottom: none;
      margin-bottom: 0;
      padding-bottom: 0;
    }

    .article-links-list a {
      font-weight: 600;
      font-size: 15px;
      color: var(--text-main);
    }

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

    /* Contact Form & Side Contact Card */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 3fr 2fr;
      gap: 30px;
    }

    .form-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

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

    .form-group 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: 15px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      outline: none;
      transition: var(--transition);
      background: #f8fafc;
    }

    .form-control:focus {
      border-color: var(--primary);
      background: #fff;
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    }

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

    .contact-info-card {
      background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
      color: #fff;
      border-radius: 16px;
      padding: 36px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .info-item {
      margin-bottom: 20px;
    }

    .info-item h5 {
      font-size: 13px;
      color: #94a3b8;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 4px;
    }

    .info-item p {
      font-size: 16px;
      font-weight: 600;
      color: #f1f5f9;
    }

    .qr-wrap {
      text-align: center;
      margin-top: 15px;
      background: rgba(255, 255, 255, 0.05);
      padding: 16px;
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .qr-wrap img {
      width: 130px;
      height: 130px;
      border-radius: 8px;
      margin-bottom: 8px;
    }

    .qr-wrap span {
      display: block;
      font-size: 13px;
      color: #cbd5e1;
    }

    /* Agency Franchise Section */
    .agency-banner {
      background: linear-gradient(135deg, #db2777 0%, #4f46e5 100%);
      color: #fff;
      border-radius: 20px;
      padding: 45px 40px;
      text-align: center;
      box-shadow: var(--shadow-lg);
    }

    .agency-banner h3 {
      font-size: 30px;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .agency-banner p {
      font-size: 16px;
      max-width: 700px;
      margin: 0 auto 28px;
      opacity: 0.95;
    }

    /* Footer & Friendly Links Section */
    footer {
      background-color: var(--bg-dark);
      color: #94a3b8;
      padding: 60px 0 30px;
      font-size: 14px;
      border-top: 1px solid #1e293b;
    }

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

    .footer-col h4 {
      color: #f8fafc;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 18px;
    }

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

    .footer-col ul li a {
      color: #94a3b8;
    }

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

    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 10px;
    }

    .friend-links a {
      color: #cbd5e1;
      background: rgba(255, 255, 255, 0.06);
      padding: 5px 12px;
      border-radius: 6px;
      font-size: 13px;
    }

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

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: #64748b;
    }

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

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 15px rgba(0,0,0,0.2);
      cursor: pointer;
      font-size: 20px;
      transition: var(--transition);
    }

    .float-btn:hover {
      transform: scale(1.1);
    }

    /* Mobile Responsive Rules */
    @media (max-width: 992px) {
      .hero-stats-grid, .grid-4, .promo-gallery, .process-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3, .creation-grid, .reviews-grid {
        grid-template-columns: 1fr;
      }
      .about-card, .contact-wrapper, .news-grid, .footer-top {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 30px;
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        height: 64px;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 12px 16px;
      }
      .hero-stats-grid, .grid-4, .promo-gallery, .process-steps {
        grid-template-columns: 1fr;
      }
      .media-horizontal-wrap {
        grid-template-columns: 1fr;
      }
    }