:root {
      --primary: #1e40af;
      --primary-vibrant: #2563eb;
      --accent-orange: #ff5722;
      --accent-purple: #7c3aed;
      --accent-emerald: #059669;
      --bg-main: #f8fafc;
      --bg-surface: #ffffff;
      --bg-alt: #f1f5f9;
      --text-dark: #0f172a;
      --text-regular: #334155;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
      --border-vibrant: #cbd5e1;
      --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(37, 99, 235, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
      --shadow-hover: 0 20px 30px -10px rgba(37, 99, 235, 0.2);
      --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, sans-serif;
      background-color: var(--bg-main);
      color: var(--text-dark);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      background-color: var(--bg-main);
    }

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

    a:hover {
      color: var(--accent-orange);
    }

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

    /* Header & Navigation */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid var(--primary-vibrant);
      box-shadow: var(--shadow-sm);
    }

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

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

    .brand-logo img {
      max-height: 44px;
      width: auto;
    }

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

    .nav-links li a {
      padding: 8px 14px;
      font-weight: 600;
      font-size: 0.95rem;
      color: var(--text-dark);
      border-radius: 6px;
      display: inline-block;
    }

    .nav-links li a:hover {
      background-color: #eff6ff;
      color: var(--primary-vibrant);
    }

    .nav-cta {
      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: 8px;
      cursor: pointer;
      border: 2px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary-vibrant), var(--accent-purple));
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(124, 58, 237, 0.45);
    }

    .btn-vibrant {
      background: var(--accent-orange);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(255, 87, 34, 0.35);
    }

    .btn-vibrant:hover {
      background: #e64a19;
      transform: translateY(-2px);
    }

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

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

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.6rem;
      cursor: pointer;
      color: var(--text-dark);
    }

    /* Hero Section (No Images Allowed) */
    .hero-section {
      padding: 80px 0 60px;
      background: linear-gradient(135deg, #e0f2fe 0%, #f3e8ff 50%, #fff7ed 100%);
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .hero-wrapper {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 2px solid var(--accent-purple);
      border-radius: 30px;
      font-weight: 700;
      font-size: 0.85rem;
      color: var(--accent-purple);
      margin-bottom: 20px;
      box-shadow: var(--shadow-sm);
    }

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

    .hero-subtitle {
      font-size: 1.15rem;
      color: var(--text-regular);
      margin-bottom: 30px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }

    .hero-actions .btn {
      padding: 14px 32px;
      font-size: 1.05rem;
    }

    .hero-highlights {
      display: flex;
      gap: 24px;
      flex-wrap: wrap;
    }

    .highlight-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-dark);
    }

    .highlight-icon {
      width: 20px;
      height: 20px;
      background: var(--accent-emerald);
      color: white;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
    }

    .hero-card-panel {
      background: #ffffff;
      border: 3px solid var(--primary-vibrant);
      border-radius: var(--radius);
      padding: 28px;
      box-shadow: var(--shadow-md);
    }

    .panel-header {
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--primary-vibrant);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .panel-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .metric-card {
      background: var(--bg-main);
      border: 1px solid var(--border-vibrant);
      padding: 16px;
      border-radius: 8px;
      text-align: center;
    }

    .metric-num {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--accent-orange);
    }

    .metric-label {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 600;
    }

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

    .section-bg-alt {
      background-color: var(--bg-alt);
    }

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

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: #dbeafe;
      color: var(--primary-vibrant);
      font-weight: 700;
      font-size: 0.85rem;
      border-radius: 20px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
    }

    /* Model Grid Tags */
    .model-tags-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 24px;
    }

    .model-tag {
      background: var(--bg-surface);
      border: 1px solid var(--border-vibrant);
      padding: 8px 16px;
      border-radius: 20px;
      font-weight: 700;
      font-size: 0.88rem;
      color: var(--text-dark);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .model-tag:hover {
      border-color: var(--primary-vibrant);
      background: var(--primary-vibrant);
      color: #ffffff;
      transform: translateY(-2px);
    }

    /* Card Grids */
    .cards-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .feature-card {
      background: var(--bg-surface);
      border: 2px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .feature-card:hover {
      border-color: var(--primary-vibrant);
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }

    .card-icon-box {
      width: 50px;
      height: 50px;
      border-radius: 10px;
      background: #eff6ff;
      color: var(--primary-vibrant);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .feature-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-dark);
    }

    .feature-card p {
      font-size: 0.92rem;
      color: var(--text-regular);
      flex-grow: 1;
    }

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

    .step-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-top: 4px solid var(--accent-purple);
      border-radius: var(--radius);
      padding: 24px;
      text-align: center;
    }

    .step-number {
      width: 36px;
      height: 36px;
      background: var(--accent-purple);
      color: white;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      font-weight: 800;
    }

    /* Comparison Table Section */
    .eval-box {
      background: #ffffff;
      border: 3px solid var(--accent-orange);
      border-radius: var(--radius);
      padding: 30px;
      box-shadow: var(--shadow-md);
      margin-bottom: 40px;
    }

    .eval-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      padding-bottom: 20px;
      border-bottom: 2px dashed var(--border-color);
      margin-bottom: 24px;
    }

    .rating-badge {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-big {
      font-size: 3rem;
      font-weight: 900;
      color: var(--accent-orange);
      line-height: 1;
    }

    .stars {
      color: #f59e0b;
      font-size: 1.4rem;
    }

    .table-responsive {
      overflow-x: auto;
    }

    .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-color: var(--bg-alt);
      font-weight: 800;
      color: var(--text-dark);
    }

    .custom-table tr:hover {
      background-color: #f8fafc;
    }

    .tag-highlight {
      background: #dcfce7;
      color: #166534;
      padding: 4px 10px;
      border-radius: 4px;
      font-weight: 700;
      font-size: 0.85rem;
    }

    /* Interactive Matcher Tool */
    .matcher-card {
      background: var(--bg-surface);
      border: 2px solid var(--primary-vibrant);
      border-radius: var(--radius);
      padding: 32px;
      box-shadow: var(--shadow-md);
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .form-group.full-width {
      grid-column: span 2;
    }

    .form-group label {
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--text-dark);
    }

    .form-control {
      padding: 12px 16px;
      border: 2px solid var(--border-vibrant);
      border-radius: 8px;
      font-size: 0.95rem;
      outline: none;
      transition: var(--transition);
    }

    .form-control:focus {
      border-color: var(--primary-vibrant);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    }

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

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

    .review-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-left: 5px solid var(--primary-vibrant);
      border-radius: 8px;
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 16px;
    }

    .avatar-placeholder {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary-vibrant);
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
    }

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

    .faq-item {
      background: var(--bg-surface);
      border: 2px solid var(--border-color);
      border-radius: 8px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--primary-vibrant);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-answer {
      padding: 0 24px 20px;
      color: var(--text-regular);
      font-size: 0.95rem;
      display: none;
      border-top: 1px solid var(--bg-alt);
      padding-top: 16px;
    }

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

    .faq-toggle-icon {
      font-size: 1.2rem;
      transition: transform 0.3s;
    }

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

    /* Articles & Resources */
    .articles-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .article-item-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      padding: 16px 20px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    /* Media Asset Gallery */
    .cases-gallery {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
      margin-top: 30px;
    }

    .gallery-img-container {
      border-radius: var(--radius);
      overflow: hidden;
      border: 2px solid var(--border-color);
      background: #000;
    }

    .gallery-img-container img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.5s ease;
    }

    .gallery-img-container:hover img {
      transform: scale(1.03);
    }

    .banner-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .banner-strip img {
      width: 100%;
      border-radius: 8px;
      border: 1px solid var(--border-color);
    }

    /* Agent & Partner */
    .agent-banner {
      background: linear-gradient(135deg, #1e3a8a, #3b82f6);
      color: #ffffff;
      border-radius: var(--radius);
      padding: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
    }

    .agent-banner h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .agent-banner p {
      color: #93c5fd;
      max-width: 600px;
    }

    /* Footer & Friendship Links */
    footer {
      background-color: #0f172a;
      color: #cbd5e1;
      padding: 60px 0 30px;
      border-top: 4px solid var(--primary-vibrant);
    }

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

    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.4rem;
      margin-bottom: 16px;
    }

    .footer-brand p {
      font-size: 0.9rem;
      color: #94a3b8;
      margin-bottom: 20px;
    }

    .footer-col h5 {
      color: #ffffff;
      font-size: 1.05rem;
      margin-bottom: 16px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

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

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

    .qr-box {
      background: #ffffff;
      padding: 10px;
      border-radius: 8px;
      display: inline-block;
      text-align: center;
    }

    .qr-box img {
      width: 120px;
      height: 120px;
      display: block;
    }

    .qr-label {
      color: var(--text-dark);
      font-size: 0.8rem;
      font-weight: 700;
      margin-top: 6px;
    }

    .friendship-box {
      border-top: 1px solid #334155;
      padding-top: 24px;
      margin-top: 20px;
    }

    .friendship-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: #94a3b8;
      margin-bottom: 12px;
    }

    .friendship-links {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .friendship-links a {
      color: #64748b;
      font-size: 0.85rem;
    }

    .friendship-links a:hover {
      color: #60a5fa;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* Floating Widget */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: var(--primary-vibrant);
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-hover);
      cursor: pointer;
      font-size: 1.2rem;
      border: 2px solid white;
    }

    .float-btn.vibrant {
      background: var(--accent-orange);
    }

    /* Mobile Responsive */
    @media (max-width: 992px) {
      .hero-wrapper {
        grid-template-columns: 1fr;
      }
      .cards-grid-3, .cards-grid-4, .workflow-steps, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cases-gallery {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full-width {
        grid-column: span 1;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 2px solid var(--primary-vibrant);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li a {
        width: 100%;
        padding: 12px;
      }
      .cards-grid-3, .cards-grid-4, .workflow-steps, .reviews-grid, .articles-list {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 1.8rem;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }