:root {
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --primary: #7c3aed;
      --primary-hover: #6d28d9;
      --neon-cyan: #06b6d4;
      --neon-pink: #ec4899;
      --neon-purple: #8b5cf6;
      --border-color: #e2e8f0;
      --shadow-sm: 0 2px 4px rgba(124, 58, 237, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(124, 58, 237, 0.1), 0 8px 10px -6px rgba(6, 182, 212, 0.1);
      --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.25);
      --radius-lg: 16px;
      --radius-md: 10px;
      --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, sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
    }

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

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

    a:hover {
      color: var(--neon-pink);
    }

    /* Top 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(139, 92, 246, 0.15);
      box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    }

    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

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

    .brand-logo img {
      height: 40px;
      width: auto;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary), var(--neon-pink));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    .nav-links li a {
      display: block;
      padding: 8px 14px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
      border-radius: 6px;
    }

    .nav-links li a:hover {
      color: var(--primary);
      background: rgba(124, 58, 237, 0.06);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-weight: 600;
      font-size: 0.95rem;
      border-radius: 30px;
      cursor: pointer;
      border: none;
      transition: var(--transition);
      text-align: center;
    }

    .btn-neon {
      background: linear-gradient(135deg, var(--primary), var(--neon-pink));
      color: #ffffff !important;
      box-shadow: 0 4px 15px rgba(124, 58, 237, 0.35);
    }

    .btn-neon:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 22px rgba(236, 72, 153, 0.45);
    }

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

    .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;
    }

    /* Hero Section - NO IMAGES ALLOWED */
    .hero-section {
      padding: 90px 0 60px;
      background: radial-gradient(circle at 50% 20%, rgba(139, 92, 246, 0.12) 0%, rgba(6, 182, 212, 0.05) 50%, rgba(255, 255, 255, 0) 100%);
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: rgba(139, 92, 246, 0.1);
      border: 1px solid rgba(139, 92, 246, 0.3);
      border-radius: 20px;
      font-size: 0.88rem;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 2.5rem;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
      color: var(--text-main);
    }

    .hero-subtitle {
      max-width: 800px;
      margin: 0 auto 36px;
      font-size: 1.15rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

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

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 20px;
      margin-top: 40px;
    }

    .stat-card {
      background: #ffffff;
      padding: 24px 16px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(139, 92, 246, 0.15);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .stat-num {
      font-size: 2.2rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary), var(--neon-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* Section Component Styles */
    .section-block {
      padding: 80px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .section-header {
      text-align: center;
      margin-bottom: 50px;
    }

    .section-tag {
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--neon-pink);
      margin-bottom: 8px;
      display: block;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .section-desc {
      max-width: 700px;
      margin: 0 auto;
      color: var(--text-muted);
      font-size: 1rem;
    }

    /* 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: 30px; }
    .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

    /* Feature & Service Card */
    .card-neon {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      padding: 30px;
      border: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .card-neon:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: rgba(139, 92, 246, 0.4);
    }

    .card-neon::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--neon-cyan), var(--neon-pink));
      opacity: 0;
      transition: var(--transition);
    }

    .card-neon:hover::before {
      opacity: 1;
    }

    .card-icon {
      width: 54px;
      height: 54px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(6, 182, 212, 0.1));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      margin-bottom: 20px;
      color: var(--primary);
    }

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

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

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

    .tag-item {
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid rgba(139, 92, 246, 0.2);
      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);
    }

    .tag-item:hover {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
    }

    /* Workflow Steps */
    .step-card {
      text-align: center;
      position: relative;
    }

    .step-number {
      width: 50px;
      height: 50px;
      margin: 0 auto 20px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--neon-pink));
      color: #ffffff;
      font-weight: 800;
      font-size: 1.2rem;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
    }

    /* Table Styles */
    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
    }

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

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

    .custom-table th {
      background: rgba(139, 92, 246, 0.05);
      font-weight: 700;
      color: var(--primary);
    }

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

    /* Rating Box */
    .rating-badge {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      background: linear-gradient(135deg, rgba(236, 72, 153, 0.1), rgba(124, 58, 237, 0.1));
      padding: 12px 24px;
      border-radius: 30px;
      border: 1px solid rgba(236, 72, 153, 0.3);
      margin-bottom: 30px;
    }

    .stars {
      color: #f59e0b;
      font-size: 1.2rem;
    }

    .score-text {
      font-weight: 800;
      font-size: 1.1rem;
      color: var(--primary);
    }

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

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-question {
      padding: 20px 24px;
      font-weight: 700;
      font-size: 1.05rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--text-main);
    }

    .faq-question::after {
      content: '+';
      font-size: 1.4rem;
      color: var(--primary);
      transition: var(--transition);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: rgba(248, 250, 252, 0.6);
    }

    .faq-answer-content {
      padding: 0 24px 20px;
      color: var(--text-muted);
      font-size: 0.96rem;
      line-height: 1.7;
    }

    /* Testimonials */
    .user-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-cyan), var(--primary));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
    }

    .user-info {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-top: 20px;
    }

    /* Form Design */
    .contact-form {
      background: #ffffff;
      padding: 40px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      border: 1px solid rgba(139, 92, 246, 0.2);
    }

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

    .form-group label {
      display: block;
      font-weight: 600;
      margin-bottom: 8px;
      font-size: 0.95rem;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 0.98rem;
      transition: var(--transition);
      background: #f8fafc;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
      background: #ffffff;
    }

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

    /* Footer Alignment & Clean Palette */
    .site-footer {
      background: #0f172a;
      color: #cbd5e1;
      padding: 60px 0 30px;
      border-top: 3px solid var(--primary);
    }

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

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

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr repeat(3, 1fr);
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-title {
      color: #ffffff;
      font-weight: 700;
      margin-bottom: 16px;
      font-size: 1.05rem;
    }

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

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

    .friendly-links-box {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      margin-top: 30px;
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
    }

    .friendly-links-box a {
      font-size: 0.88rem;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      text-align: center;
      font-size: 0.88rem;
      color: #64748b;
    }

    /* Floating Bar */
    .floating-kefu {
      position: fixed;
      bottom: 30px;
      right: 30px;
      z-index: 999;
      background: #ffffff;
      padding: 12px 18px;
      border-radius: 40px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.15);
      border: 1px solid rgba(139, 92, 246, 0.3);
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 600;
      font-size: 0.9rem;
    }

    .floating-kefu img {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      object-fit: cover;
    }

    /* Media Queries */
    @media (max-width: 992px) {
      .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
      .hero-title { font-size: 2rem; }
    }

    @media (max-width: 768px) {
      .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
      .nav-links { display: none; }
      .mobile-menu-btn { display: block; }
      .hero-section { padding: 60px 0 40px; }
      .hero-title { font-size: 1.6rem; }
      .footer-grid { grid-template-columns: 1fr; }
      .contact-form { padding: 24px; }
    }