:root {
      --primary-color: #C62828;
      --primary-hover: #B71C1C;
      --primary-light: #FFEBEE;
      --accent-color: #D32F2F;
      --dark-text: #1E293B;
      --muted-text: #64748B;
      --bg-light: #F8FAFC;
      --card-bg: #FFFFFF;
      --border-color: #E2E8F0;
      --shadow-sm: 0 2px 4px rgba(198, 40, 40, 0.05);
      --shadow-md: 0 8px 24px rgba(198, 40, 40, 0.08);
      --shadow-lg: 0 16px 32px rgba(198, 40, 40, 0.12);
      --radius: 8px;
    }

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

    a {
      color: var(--primary-color);
      text-decoration: none;
      transition: all 0.2s ease;
    }

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

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

    /* Header & Navigation */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: #FFFFFF;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      border-bottom: 2px solid var(--primary-color);
    }

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

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

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

    .brand-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary-color);
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 12px;
      font-size: 14px;
      font-weight: 500;
      color: var(--dark-text);
    }

    .nav-links li a:hover {
      color: var(--primary-color);
      background-color: var(--primary-light);
      border-radius: 4px;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius);
      cursor: pointer;
      border: none;
      transition: all 0.25s ease;
    }

    .btn-primary {
      background: linear-gradient(135deg, #D32F2F 0%, #B71C1C 100%);
      color: #FFFFFF !important;
      box-shadow: 0 4px 12px rgba(198, 40, 40, 0.3);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(198, 40, 40, 0.4);
    }

    .btn-secondary {
      background-color: var(--primary-light);
      color: var(--primary-color) !important;
      border: 1px solid rgba(198, 40, 40, 0.2);
    }

    .btn-secondary:hover {
      background-color: #FFCDD2;
    }

    /* Hero Section (No Images Allowed) */
    .hero-section {
      background: linear-gradient(180deg, #FFF5F5 0%, #F8FAFC 100%);
      padding: 80px 0 60px 0;
      text-align: center;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      padding: 6px 16px;
      background-color: var(--primary-light);
      color: var(--primary-color);
      border-radius: 50px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 20px;
      border: 1px solid rgba(198, 40, 40, 0.2);
    }

    .hero-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--dark-text);
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .hero-subtitle {
      font-size: 16px;
      color: var(--muted-text);
      max-width: 800px;
      margin: 0 auto 30px auto;
    }

    .hero-cta-group {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 20px;
      margin-top: 40px;
    }

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

    .metric-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary-color);
    }

    .metric-label {
      font-size: 13px;
      color: var(--muted-text);
      margin-top: 4px;
    }

    /* Section Component Basic Layout */
    .section-block {
      padding: 70px 0;
      border-bottom: 1px solid var(--border-color);
    }

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

    .section-tag {
      color: var(--primary-color);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      margin-bottom: 8px;
      display: block;
    }

    .section-title {
      font-size: 26px;
      font-weight: 700;
      color: var(--dark-text);
    }

    .section-desc {
      font-size: 15px;
      color: var(--muted-text);
      margin-top: 8px;
      max-width: 650px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Grid & Cards */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }

    .grid-4 {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
    }

    .card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      transition: all 0.3s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(198, 40, 40, 0.3);
    }

    .card-icon {
      width: 44px;
      height: 44px;
      background: var(--primary-light);
      color: var(--primary-color);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 18px;
      margin-bottom: 16px;
    }

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

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

    /* Image Display Wrapper */
    .img-box {
      margin-top: 20px;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border-color);
    }

    /* Tags Cloud */
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 20px;
    }

    .tag-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      color: var(--dark-text);
      transition: all 0.2s;
    }

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

    /* Process Flow */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #FFFFFF;
      padding: 24px;
      border-radius: var(--radius);
      border-top: 3px solid var(--primary-color);
      box-shadow: var(--shadow-sm);
    }

    .step-num {
      font-size: 24px;
      font-weight: 800;
      color: var(--primary-color);
      margin-bottom: 8px;
    }

    /* Table Component */
    .table-wrapper {
      overflow-x: auto;
      background: #FFFFFF;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }

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

    th {
      background-color: var(--primary-light);
      color: var(--primary-color);
      font-weight: 700;
    }

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

    .highlight-row {
      background-color: #FFF8F8;
    }

    /* Ratings Header */
    .rating-badge-container {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      background: var(--primary-light);
      padding: 10px 20px;
      border-radius: 30px;
      border: 1px solid rgba(198, 40, 40, 0.3);
      margin-bottom: 20px;
    }

    .stars {
      color: #FF9800;
      font-size: 18px;
      letter-spacing: 2px;
    }

    .score {
      font-weight: 800;
      color: var(--primary-color);
      font-size: 16px;
    }

    /* FAQ Component */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

    .faq-question {
      padding: 16px 20px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #FFFFFF;
      user-select: none;
    }

    .faq-question:hover {
      color: var(--primary-color);
    }

    .faq-answer {
      padding: 0 20px 16px 20px;
      font-size: 14px;
      color: var(--muted-text);
      display: none;
      border-top: 1px dashed var(--border-color);
      padding-top: 12px;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    .faq-item.active .faq-toggle {
      transform: rotate(180deg);
    }

    .faq-toggle {
      transition: transform 0.2s;
      font-weight: bold;
      color: var(--primary-color);
    }

    /* Customer Reviews */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
    }

    .review-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 20px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 16px;
      padding-top: 12px;
      border-top: 1px solid var(--border-color);
    }

    .avatar-placeholder {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--primary-color);
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 14px;
    }

    .user-info h4 {
      font-size: 14px;
      color: var(--dark-text);
    }

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

    /* Form Design */
    .form-box {
      max-width: 700px;
      margin: 0 auto;
      background: #FFFFFF;
      padding: 36px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
    }

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

    .form-group label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--dark-text);
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 14px;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      outline: none;
      transition: border 0.2s;
    }

    .form-control:focus {
      border-color: var(--primary-color);
    }

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

    /* Contact Details Layout */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: start;
    }

    .qr-card {
      background: #FFFFFF;
      padding: 20px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      text-align: center;
    }

    .qr-card img {
      max-width: 160px;
      border-radius: 6px;
      margin-top: 10px;
    }

    /* Footer Safety & Alignment */
    footer {
      background-color: #FFFFFF;
      color: var(--dark-text);
      border-top: 2px solid var(--primary-color);
      padding: 40px 0 20px 0;
      margin-top: 0;
    }

    .footer-inner {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .footer-links-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      font-size: 14px;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 16px;
    }

    .footer-links-group a {
      color: var(--dark-text);
    }

    .footer-links-group a:hover {
      color: var(--primary-color);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 13px;
      color: var(--muted-text);
    }

    /* Floating Contact 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: var(--primary-color);
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
      cursor: pointer;
      font-size: 12px;
      font-weight: bold;
      text-align: center;
    }

    .float-btn:hover {
      background: var(--primary-hover);
      color: #FFFFFF;
    }

    /* Mobile Responsive Adjustments */
    @media (max-width: 768px) {
      .header-inner {
        flex-direction: column;
        height: auto;
        padding: 12px 0;
        gap: 12px;
      }
      .nav-links {
        flex-wrap: wrap;
        justify-content: center;
      }
      .hero-title {
        font-size: 24px;
      }
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }