/* Global Resets & Design System - Vibrant Trendy Style Light */
    :root {
      --primary: #4f46e5;
      --primary-hover: #4338ca;
      --primary-light: #eeef2f6;
      --secondary: #ec4899;
      --accent-cyan: #06b6d4;
      --accent-amber: #f59e0b;
      --text-main: #0f172a;
      --text-muted: #475569;
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --bg-glass: rgba(255, 255, 255, 0.85);
      --border-color: #e2e8f0;
      --shadow-sm: 0 2px 4px rgba(0,0,0,0.03);
      --shadow-md: 0 10px 25px -5px rgba(79, 70, 229, 0.08), 0 8px 10px -6px rgba(0,0,0,0.03);
      --shadow-lg: 0 20px 30px -10px rgba(79, 70, 229, 0.12);
      --radius: 12px;
      --transition: all 0.25s 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, sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    }

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

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

    /* Container Standard */
    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Header & Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: var(--bg-glass);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    }

    .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 {
      max-height: 42px;
      width: auto;
      object-fit: contain;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 12px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-muted);
      border-radius: 6px;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background-color: rgba(79, 70, 229, 0.06);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: 30px;
      cursor: pointer;
      border: none;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, #6366f1 100%);
      color: #ffffff !important;
      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);
    }

    .btn-secondary {
      background: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(236, 72, 153, 0.35);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(236, 72, 153, 0.45);
    }

    .btn-outline {
      background: transparent;
      border: 2px solid var(--primary);
      color: var(--primary);
    }

    .btn-outline:hover {
      background: var(--primary);
      color: #ffffff !important;
    }

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

    /* Section Global Styles */
    .section-padding {
      padding: 90px 0;
    }

    .section-title-wrap {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 50px auto;
    }

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      background: rgba(79, 70, 229, 0.1);
      border-radius: 20px;
      margin-bottom: 12px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
    }

    /* HERO SECTION - Strictly 0 Images */
    .hero-section {
      position: relative;
      padding: 100px 0 80px 0;
      background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.12) 0%, rgba(236, 72, 153, 0.05) 50%, rgba(248, 250, 252, 0) 100%);
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-content {
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border: 1px solid rgba(79, 70, 229, 0.2);
      box-shadow: 0 4px 12px rgba(0,0,0,0.05);
      border-radius: 30px;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1.2;
      letter-spacing: -1px;
      margin-bottom: 24px;
      color: var(--text-main);
    }

    .hero-title span {
      background: linear-gradient(135deg, #4f46e5 0%, #ec4899 50%, #06b6d4 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    .hero-actions {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 16px;
      margin-bottom: 60px;
      flex-wrap: wrap;
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #ffffff;
      padding: 30px;
      border-radius: 20px;
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(226, 232, 240, 0.8);
    }

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

    .stat-number {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
    }

    .stat-label {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* Card Standard Styles */
    .card-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }

    .card {
      background: var(--bg-card);
      border-radius: var(--radius);
      padding: 32px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }

    .card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(79, 70, 229, 0.3);
    }

    .card-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      color: var(--primary);
      margin-bottom: 20px;
    }

    .card-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .card-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Model Pill Cloud */
    .model-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 24px;
    }

    .model-pill {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      padding: 8px 16px;
      border-radius: 20px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      box-shadow: 0 2px 5px rgba(0,0,0,0.02);
      transition: var(--transition);
    }

    .model-pill:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: scale(1.05);
    }

    /* Table Styles (Comparison & Pricing) */
    .table-container {
      overflow-x: auto;
      background: #ffffff;
      border-radius: 16px;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
      margin-top: 30px;
    }

    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 700px;
    }

    .custom-table th {
      background: #f8fafc;
      padding: 18px 24px;
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      border-bottom: 2px solid var(--border-color);
    }

    .custom-table td {
      padding: 18px 24px;
      font-size: 0.92rem;
      color: var(--text-muted);
      border-bottom: 1px solid var(--border-color);
    }

    .custom-table tr:last-child td {
      border-bottom: none;
    }

    .custom-table tr:hover td {
      background-color: #f1f5f9;
    }

    .highlight-row {
      background-color: rgba(79, 70, 229, 0.03);
      font-weight: 600;
    }

    .rating-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #fef3c7;
      color: #92400e;
      padding: 6px 14px;
      border-radius: 20px;
      font-weight: 800;
      font-size: 1rem;
    }

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

    .step-card {
      background: #ffffff;
      padding: 28px 20px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      text-align: center;
      position: relative;
    }

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

    /* Image Gallery Section */
    .image-showcase {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 40px;
    }

    .showcase-item {
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      background: #ffffff;
      border: 1px solid var(--border-color);
    }

    .ai-page-image {
      width: 100%;
      height: auto;
      display: block;
      transition: var(--transition);
    }

    .showcase-item:hover .ai-page-image {
      transform: scale(1.03);
    }

    .showcase-info {
      padding: 16px;
    }

    .showcase-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
    }

    /* FAQ Accordion */
    .faq-grid {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

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

    .faq-item.active {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }

    .faq-question {
      padding: 20px 24px;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--text-main);
      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: var(--transition);
    }

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

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

    .faq-answer-content {
      padding: 0 24px 20px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Customer Reviews */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border-radius: var(--radius);
      padding: 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-style: italic;
      margin-bottom: 20px;
      line-height: 1.6;
    }

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

    .user-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
    }

    .user-info .name {
      font-weight: 700;
      color: var(--text-main);
      font-size: 0.95rem;
    }

    .user-info .role {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

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

    .contact-form-box {
      background: #ffffff;
      padding: 36px;
      border-radius: 20px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
    }

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

    .form-label {
      display: block;
      font-weight: 700;
      margin-bottom: 8px;
      font-size: 0.9rem;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      font-size: 0.95rem;
      transition: var(--transition);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
    }

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

    .contact-info-box {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
      color: #ffffff;
      padding: 40px;
      border-radius: 20px;
      box-shadow: var(--shadow-lg);
    }

    .contact-info-box h3 {
      font-size: 1.6rem;
      margin-bottom: 20px;
      color: #ffffff;
    }

    .contact-list {
      list-style: none;
      margin-bottom: 30px;
    }

    .contact-list li {
      margin-bottom: 16px;
      font-size: 1rem;
      display: flex;
      align-items: center;
      gap: 12px;
      color: #cbd5e1;
    }

    .qr-container {
      background: #ffffff;
      padding: 16px;
      border-radius: 12px;
      display: inline-block;
      text-align: center;
    }

    .qr-container img {
      max-width: 140px;
      height: auto;
      display: block;
      border-radius: 6px;
    }

    .qr-container p {
      color: var(--text-main);
      font-size: 0.85rem;
      font-weight: 700;
      margin-top: 8px;
    }

    /* Articles / News Grid */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
    }

    .article-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 20px;
      transition: var(--transition);
    }

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

    .article-title {
      font-weight: 700;
      margin-bottom: 8px;
      font-size: 1rem;
    }

    .article-link-list {
      margin-top: 15px;
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .article-link-list li a {
      font-size: 0.88rem;
      color: var(--text-muted);
      word-break: break-all;
    }

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

    /* Footer Styles */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px 0;
      border-top: 1px solid #1e293b;
    }

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

    .footer-col h4 {
      color: #ffffff;
      font-size: 1.1rem;
      margin-bottom: 20px;
      font-weight: 700;
    }

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

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

    .footer-links a {
      color: #94a3b8;
      font-size: 0.9rem;
    }

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

    .friendship-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 15px;
    }

    .friendship-links a {
      color: #cbd5e1;
      font-size: 0.85rem;
      background: rgba(255,255,255,0.05);
      padding: 4px 10px;
      border-radius: 4px;
    }

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

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 30px;
      text-align: center;
      font-size: 0.88rem;
    }

    /* Responsive Breakpoints */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .hero-stats {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        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 var(--border-color);
      }

      .nav-links.active {
        display: flex;
      }

      .nav-links li {
        width: 100%;
        text-align: center;
      }

      .nav-links li a {
        display: block;
        padding: 12px 0;
      }

      .mobile-menu-btn {
        display: block;
      }

      .hero-title {
        font-size: 1.8rem;
      }

      .hero-desc {
        font-size: 1rem;
      }

      .section-title {
        font-size: 1.75rem;
      }

      .hero-stats {
        grid-template-columns: 1fr;
      }

      .workflow-grid {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }
    }