:root {
      --primary: #4F46E5;
      --primary-hover: #4338CA;
      --accent-yellow: #F59E0B;
      --accent-pink: #EC4899;
      --accent-teal: #0D9488;
      --accent-cyan: #06B6D4;
      --bg-main: #FAFAF9;
      --bg-card: #FFFFFF;
      --text-main: #1C1917;
      --text-muted: #57534E;
      --border-color: #E7E5E4;
      --doodle-border: #18181B;
      --shadow-sm: 2px 2px 0px #18181B;
      --shadow-md: 4px 4px 0px #18181B;
      --shadow-lg: 6px 6px 0px #18181B;
      --shadow-hover: 8px 8px 0px #18181B;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      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;
      background-image: radial-gradient(#E2E8F0 1.2px, transparent 1.2px);
      background-size: 24px 24px;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    /* Header & Nav */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: #FFFFFF;
      border-bottom: 3px solid var(--doodle-border);
      box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
    }
    .brand .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }
    .nav-links {
      display: flex;
      gap: 0;
      align-items: center;
      list-style: none;
    }
    .nav-links a {
      padding: 8px 14px;
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--text-main);
      transition: all 0.2s ease;
      border-radius: 6px;
    }
    .nav-links a:hover {
      background-color: #FEF08A;
      color: #000000;
      transform: translateY(-2px);
    }
    .nav-action {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: 10px;
      border: 2.5px solid var(--doodle-border);
      box-shadow: var(--shadow-sm);
      cursor: pointer;
      transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
      font-size: 0.95rem;
      text-align: center;
    }
    .btn:hover {
      transform: translate(-2px, -2px);
      box-shadow: var(--shadow-md);
    }
    .btn:active {
      transform: translate(2px, 2px);
      box-shadow: none;
    }
    .btn-primary {
      background-color: var(--accent-yellow);
      color: #000;
    }
    .btn-action {
      background-color: var(--accent-pink);
      color: #FFF;
    }
    .btn-outline {
      background-color: #FFF;
      color: #000;
    }
    .btn-cyan {
      background-color: var(--accent-cyan);
      color: #000;
    }
    .menu-toggle {
      display: none;
      background: #FFF;
      border: 2px solid var(--doodle-border);
      padding: 6px 10px;
      border-radius: 6px;
      font-size: 1.25rem;
      cursor: pointer;
      box-shadow: var(--shadow-sm);
    }
    /* Section Shared */
    section {
      padding: 70px 0;
      position: relative;
    }
    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 48px;
    }
    .section-tag {
      display: inline-block;
      background: #EDE9FE;
      color: var(--primary);
      border: 2px solid var(--doodle-border);
      padding: 4px 14px;
      border-radius: 20px;
      font-weight: 800;
      font-size: 0.85rem;
      margin-bottom: 14px;
      box-shadow: 2px 2px 0px var(--doodle-border);
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    /* Doodled Card Component */
    .doodle-card {
      background: var(--bg-card);
      border: 2.5px solid var(--doodle-border);
      border-radius: 16px;
      padding: 24px;
      box-shadow: var(--shadow-md);
      transition: all 0.25s ease;
      position: relative;
    }
    .doodle-card:hover {
      transform: translate(-3px, -3px);
      box-shadow: var(--shadow-hover);
    }
    /* Hero Section (No Images as required) */
    .hero-section {
      padding: 80px 0 60px;
      background: linear-gradient(180deg, #FDF4FF 0%, #FAFAF9 100%);
      border-bottom: 3px dashed var(--doodle-border);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 2.5rem;
      font-weight: 900;
      line-height: 1.25;
      color: #111827;
      margin-bottom: 18px;
    }
    .hero-content h1 span {
      background: linear-gradient(120deg, #FBBF24 0%, #F59E0B 100%);
      padding: 2px 8px;
      border-radius: 8px;
      border: 2px solid var(--doodle-border);
      box-shadow: 2px 2px 0px var(--doodle-border);
      display: inline-block;
    }
    .hero-intro {
      font-size: 1.125rem;
      color: var(--text-muted);
      margin-bottom: 28px;
      line-height: 1.7;
    }
    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-bottom: 32px;
    }
    .hero-cta-group .btn-main-hero {
      font-size: 1.1rem;
      padding: 14px 30px;
      background-color: #10B981;
      color: #FFFFFF;
      animation: pulse-border 2s infinite;
    }
    @keyframes pulse-border {
      0% { box-shadow: 4px 4px 0px var(--doodle-border); }
      50% { box-shadow: 6px 6px 0px #047857; }
      100% { box-shadow: 4px 4px 0px var(--doodle-border); }
    }
    .hero-highlights {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .highlight-badge {
      background: #FFFFFF;
      border: 2px solid var(--doodle-border);
      padding: 6px 14px;
      border-radius: 12px;
      font-size: 0.88rem;
      font-weight: 700;
      box-shadow: 2px 2px 0 var(--doodle-border);
    }
    .hero-badge-panel {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    .stat-box {
      background: #FFFFFF;
      border: 2.5px solid var(--doodle-border);
      border-radius: 14px;
      padding: 20px;
      box-shadow: var(--shadow-sm);
      text-align: center;
    }
    .stat-box:nth-child(1) { background-color: #EFF6FF; }
    .stat-box:nth-child(2) { background-color: #FEF3C7; }
    .stat-box:nth-child(3) { background-color: #FCE7F3; }
    .stat-box:nth-child(4) { background-color: #ECFDF5; }
    .stat-num {
      font-size: 2rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1;
      margin-bottom: 6px;
    }
    .stat-lbl {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-muted);
    }

    /* Model Logos Cloud */
    .model-tags-section {
      padding: 40px 0;
      background: #FFFFFF;
      border-bottom: 3px solid var(--doodle-border);
    }
    .tags-wrapper {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }
    .model-chip {
      background: #F4F4F5;
      border: 1.5px solid var(--doodle-border);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 700;
      box-shadow: 1px 1px 0px var(--doodle-border);
      transition: all 0.2s ease;
    }
    .model-chip:hover {
      background-color: #FEF08A;
      transform: translateY(-2px);
    }

    /* About Section */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .about-card-stack {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .about-item {
      background: #FFFFFF;
      border: 2px solid var(--doodle-border);
      padding: 18px 22px;
      border-radius: 12px;
      box-shadow: var(--shadow-sm);
    }
    .about-item h3 {
      font-size: 1.15rem;
      margin-bottom: 6px;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .about-item h3::before {
      content: "✦";
      color: var(--accent-pink);
    }
    .about-banner-container {
      border: 2.5px solid var(--doodle-border);
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-md);
      background: #FFFFFF;
    }
    .about-banner-container img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* Services Grid */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
      gap: 24px;
    }
    .service-card {
      background: #FFF;
      border: 2.5px solid var(--doodle-border);
      border-radius: 14px;
      padding: 22px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.2s ease;
    }
    .service-card:hover {
      transform: translate(-3px, -3px);
      box-shadow: var(--shadow-md);
    }
    .service-card:nth-child(4n+1) { border-top: 6px solid #3B82F6; }
    .service-card:nth-child(4n+2) { border-top: 6px solid #EC4899; }
    .service-card:nth-child(4n+3) { border-top: 6px solid #10B981; }
    .service-card:nth-child(4n+4) { border-top: 6px solid #F59E0B; }
    .service-card h3 {
      font-size: 1.2rem;
      margin-bottom: 10px;
      font-weight: 800;
    }
    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* Industry Solutions & Gallery */
    .solution-block {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 28px;
      margin-bottom: 40px;
    }
    .image-preview-card {
      background: #FFFFFF;
      border: 2.5px solid var(--doodle-border);
      border-radius: 14px;
      padding: 16px;
      box-shadow: var(--shadow-md);
    }
    .image-preview-card .img-box {
      border: 2px solid var(--doodle-border);
      border-radius: 10px;
      overflow: hidden;
      margin-bottom: 14px;
      background: #F4F4F5;
    }
    .image-preview-card img {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
    }
    .image-preview-card h3 {
      font-size: 1.15rem;
      margin-bottom: 8px;
      font-weight: 800;
    }
    .image-preview-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* Comparison Section */
    .compare-wrapper {
      background: #FFFFFF;
      border: 3px solid var(--doodle-border);
      border-radius: 16px;
      padding: 30px;
      box-shadow: var(--shadow-lg);
      overflow-x: auto;
    }
    .compare-score-header {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      background: #FEF3C7;
      border: 2.5px solid var(--doodle-border);
      padding: 18px 24px;
      border-radius: 12px;
      margin-bottom: 24px;
    }
    .rating-badge {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      font-size: 1.1rem;
    }
    .rating-stars {
      color: #F59E0B;
      font-size: 1.3rem;
      letter-spacing: 2px;
    }
    .score-value {
      background: #EF4444;
      color: #FFFFFF;
      padding: 4px 12px;
      border-radius: 8px;
      border: 2px solid var(--doodle-border);
      font-size: 1.1rem;
    }
    .compare-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 16px 18px;
      border-bottom: 2px solid var(--doodle-border);
      font-size: 0.95rem;
    }
    .compare-table th {
      background: #F1F5F9;
      font-weight: 800;
      color: var(--text-main);
      border-top: 2px solid var(--doodle-border);
    }
    .compare-table th:first-child, .compare-table td:first-child {
      border-left: 2px solid var(--doodle-border);
    }
    .compare-table th:last-child, .compare-table td:last-child {
      border-right: 2px solid var(--doodle-border);
    }
    .compare-table tr:first-child th:first-child { border-top-left-radius: 10px; }
    .compare-table tr:first-child th:last-child { border-top-right-radius: 10px; }
    .compare-table tr:last-child td:first-child { border-bottom-left-radius: 10px; }
    .compare-table tr:last-child td:last-child { border-bottom-right-radius: 10px; }
    .compare-table tr td.highlight-col {
      background: #EFF6FF;
      font-weight: 700;
      color: #1E40AF;
    }

    /* Workflow Steps */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
    }
    .step-card {
      background: #FFFFFF;
      border: 2.5px solid var(--doodle-border);
      border-radius: 14px;
      padding: 24px 18px;
      box-shadow: var(--shadow-sm);
      position: relative;
    }
    .step-badge {
      position: absolute;
      top: -14px;
      left: 18px;
      background: #F59E0B;
      color: #000;
      font-weight: 900;
      padding: 2px 10px;
      border: 2px solid var(--doodle-border);
      border-radius: 8px;
      font-size: 0.85rem;
    }
    .step-card h3 {
      font-size: 1.1rem;
      margin-top: 8px;
      margin-bottom: 8px;
      font-weight: 800;
    }
    .step-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* Agent Network & Franchise */
    .agent-promo-card {
      background: #FDF2E9;
      border: 3px solid var(--doodle-border);
      border-radius: 16px;
      padding: 36px;
      box-shadow: var(--shadow-lg);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 32px;
      align-items: center;
    }
    .agent-promo-card h3 {
      font-size: 1.8rem;
      font-weight: 900;
      margin-bottom: 12px;
      color: #9A3412;
    }
    .agent-promo-card p {
      font-size: 1rem;
      color: #7C2D12;
      margin-bottom: 20px;
      line-height: 1.6;
    }
    .agent-features {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-bottom: 24px;
    }
    .agent-features li {
      font-weight: 700;
      color: #7C2D12;
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 0.92rem;
    }
    .agent-features li::before {
      content: "✔";
      color: #EA580C;
    }

    /* Testimonials */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 24px;
    }
    .testi-card {
      background: #FFFFFF;
      border: 2.5px solid var(--doodle-border);
      border-radius: 14px;
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-text {
      font-size: 0.95rem;
      color: var(--text-main);
      margin-bottom: 18px;
      line-height: 1.6;
      font-style: italic;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1.5px dashed var(--border-color);
      padding-top: 14px;
    }
    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E0E7FF;
      border: 2px solid var(--doodle-border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: var(--primary);
    }
    .testi-meta h4 {
      font-size: 0.98rem;
      font-weight: 800;
    }
    .testi-meta p {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* FAQ Section */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 2.5px solid var(--doodle-border);
      border-radius: 12px;
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: all 0.2s ease;
    }
    .faq-question {
      padding: 18px 22px;
      font-weight: 800;
      font-size: 1.05rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      background: #FFF;
    }
    .faq-question:hover {
      background: #FEF9C3;
    }
    .faq-icon {
      font-size: 1.3rem;
      transition: transform 0.25s ease;
      font-weight: 900;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #FAFAF9;
      border-top: 2px solid transparent;
      padding: 0 22px;
    }
    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 22px;
      border-top-color: var(--border-color);
    }
    .faq-answer p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Form & Contact */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: start;
    }
    .contact-info-card {
      background: #FFFFFF;
      border: 3px solid var(--doodle-border);
      border-radius: 16px;
      padding: 30px;
      box-shadow: var(--shadow-md);
    }
    .contact-info-card h3 {
      font-size: 1.5rem;
      font-weight: 900;
      margin-bottom: 16px;
    }
    .contact-details {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 24px;
    }
    .contact-details li {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .qr-box-wrapper {
      background: #F4F4F5;
      border: 2px solid var(--doodle-border);
      border-radius: 12px;
      padding: 16px;
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
    }
    .qr-box-wrapper img {
      width: 140px;
      height: 140px;
      object-fit: cover;
      border-radius: 6px;
      border: 1.5px solid var(--doodle-border);
    }
    .qr-label {
      font-size: 0.85rem;
      font-weight: 800;
      color: var(--text-main);
    }
    .form-card {
      background: #FFFFFF;
      border: 3px solid var(--doodle-border);
      border-radius: 16px;
      padding: 30px;
      box-shadow: var(--shadow-lg);
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-group label {
      display: block;
      font-weight: 800;
      font-size: 0.9rem;
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 2px solid var(--doodle-border);
      border-radius: 8px;
      font-size: 0.95rem;
      background: #FAFAF9;
      outline: none;
      transition: all 0.2s ease;
    }
    .form-control:focus {
      background: #FFFFFF;
      border-color: var(--primary);
      box-shadow: 2px 2px 0px var(--primary);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* Articles & Friendly links */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
    }
    .article-item {
      background: #FFFFFF;
      border: 2px solid var(--doodle-border);
      border-radius: 12px;
      padding: 18px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .article-item h4 {
      font-size: 1.05rem;
      margin-bottom: 8px;
      font-weight: 800;
    }
    .article-item a {
      color: var(--primary);
      font-weight: 700;
      font-size: 0.88rem;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      margin-top: 10px;
    }
    .article-item a:hover {
      text-decoration: underline;
    }

    /* Footer */
    footer {
      background-color: #18181B;
      color: #E4E4E7;
      border-top: 4px solid var(--doodle-border);
      padding: 50px 0 24px;
    }
    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 36px;
      padding-bottom: 36px;
      border-bottom: 1px solid #3F3F46;
    }
    .footer-col h4 {
      color: #FFFFFF;
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .footer-col p {
      font-size: 0.9rem;
      color: #A1A1AA;
      line-height: 1.6;
    }
    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .footer-links-list a {
      color: #D4D4D8;
      font-size: 0.9rem;
      transition: color 0.2s;
    }
    .footer-links-list a:hover {
      color: #FBBF24;
    }
    .friendly-links-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 10px;
    }
    .friendly-links-flex a {
      background: #27272A;
      color: #E4E4E7;
      border: 1px solid #3F3F46;
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.85rem;
      transition: all 0.2s;
    }
    .friendly-links-flex a:hover {
      background: #3F3F46;
      color: #FBBF24;
      border-color: #FBBF24;
    }
    .footer-bottom {
      padding-top: 24px;
      text-align: center;
      font-size: 0.88rem;
      color: #71717A;
    }

    /* Floating Customer Service & Scroll to top */
    .float-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      background: #FFFFFF;
      border: 2.5px solid var(--doodle-border);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
      cursor: pointer;
      font-weight: 900;
      font-size: 1.1rem;
      transition: transform 0.2s;
    }
    .float-btn:hover {
      transform: scale(1.1);
      background: #FEF08A;
    }

    /* Responsive */
    @media (max-width: 992px) {
      .hero-grid, .about-grid, .agent-promo-card, .contact-grid {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 20px;
        border-bottom: 3px solid var(--doodle-border);
        box-shadow: var(--shadow-lg);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links a {
        width: 100%;
        text-align: center;
        padding: 10px 0;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .hero-content h1 {
        font-size: 1.85rem;
      }
    }