:root {
      --primary-color: #2563eb;
      --primary-gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #db2777 100%);
      --accent-gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
      --warm-gradient: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --bg-subtle: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --border-focus: #3b82f6;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 10px 25px -5px rgba(37, 99, 235, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --transition: all 0.28s ease;
    }

    * {
      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, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }

    .main-container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
      width: 100%;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .ai-page-logo {
      height: 42px;
      width: auto;
      display: block;
    }

    .brand-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      color: var(--text-muted);
      text-decoration: none;
      font-size: 15px;
      font-weight: 500;
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-md);
      text-decoration: none;
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      line-height: 1.4;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn:active {
      transform: translateY(0);
    }

    .btn-gradient {
      background: var(--primary-gradient);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
    }

    .btn-gradient:hover {
      box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
    }

    .btn-outline {
      border-color: var(--border-color);
      background: #ffffff;
      color: var(--text-main);
    }

    .btn-outline:hover {
      border-color: var(--primary-color);
      color: var(--primary-color);
      background: #eff6ff;
    }

    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--text-main);
      margin: 5px 0;
      transition: var(--transition);
    }

    .hero-section {
      padding: 72px 0 60px;
      position: relative;
      background: linear-gradient(180deg, #f0f7ff 0%, #fdf4ff 50%, var(--bg-page) 100%);
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-glow-1 {
      position: absolute;
      top: -100px;
      left: 10%;
      width: 380px;
      height: 380px;
      background: radial-gradient(circle, rgba(59, 130, 246, 0.18) 0%, rgba(255, 255, 255, 0) 70%);
      pointer-events: none;
    }

    .hero-glow-2 {
      position: absolute;
      top: 50px;
      right: 12%;
      width: 420px;
      height: 420px;
      background: radial-gradient(circle, rgba(219, 39, 119, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
      pointer-events: none;
    }

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

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid #bfdbfe;
      border-radius: var(--radius-full);
      font-size: 14px;
      font-weight: 600;
      color: var(--primary-color);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: clamp(30px, 4.2vw, 48px);
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -0.8px;
    }

    .hero-title .text-gradient {
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: clamp(16px, 1.8vw, 19px);
      color: var(--text-muted);
      line-height: 1.6;
      max-width: 780px;
      margin: 0 auto 36px;
    }

    .hero-buttons {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 20px;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid var(--border-color);
      padding: 20px 16px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      text-align: center;
      backdrop-filter: blur(8px);
      transition: var(--transition);
    }

    .stat-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: #93c5fd;
    }

    .stat-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary-color);
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }

    .page-section {
      padding: 72px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary-color);
      background: #dbeafe;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      margin-bottom: 12px;
    }

    .section-title {
      font-size: clamp(24px, 3vw, 34px);
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.6;
    }

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

    .intro-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      padding: 30px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .intro-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: #93c5fd;
    }

    .intro-card-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: #eff6ff;
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .intro-card h3 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

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

    .models-marquee-box {
      margin-top: 36px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .marquee-label {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-muted);
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .models-chip-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .model-chip {
      background: var(--bg-subtle);
      border: 1px solid var(--border-color);
      color: var(--text-main);
      padding: 6px 14px;
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 600;
      transition: var(--transition);
    }

    .model-chip:hover {
      background: #dbeafe;
      border-color: #93c5fd;
      color: var(--primary-color);
      transform: translateY(-1px);
    }

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

    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      padding: 26px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #93c5fd;
    }

    .service-badge {
      align-self: flex-start;
      font-size: 12px;
      font-weight: 700;
      padding: 3px 10px;
      background: #eff6ff;
      color: var(--primary-color);
      border-radius: var(--radius-full);
      margin-bottom: 14px;
    }

    .service-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .service-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .service-feature-list {
      list-style: none;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
      margin-top: auto;
    }

    .service-feature-list li {
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .service-feature-list li::before {
      content: "•";
      color: var(--primary-color);
      font-size: 18px;
      line-height: 1;
    }

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

    .step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      padding: 24px;
      border-radius: var(--radius-md);
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .step-card:hover {
      transform: translateY(-3px);
      border-color: #93c5fd;
      box-shadow: var(--shadow-md);
    }

    .step-circle {
      width: 50px;
      height: 50px;
      background: var(--primary-gradient);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      font-size: 20px;
      font-weight: 700;
      box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
    }

    .step-card h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .step-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .table-responsive-box {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

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

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

    .compare-table thead th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--text-main);
      font-size: 15px;
    }

    .highlight-col {
      background: #f0f7ff;
      font-weight: 600;
      color: var(--primary-color);
    }

    .table-score-badge {
      display: inline-block;
      padding: 6px 14px;
      background: var(--primary-gradient);
      color: #ffffff;
      font-weight: 700;
      border-radius: var(--radius-full);
      font-size: 13px;
    }

    .case-gallery-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #93c5fd;
    }

    .case-media-wrapper {
      width: 100%;
      background: #e2e8f0;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .case-media-wrapper img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.4s ease;
    }

    .case-card:hover .case-media-wrapper img {
      transform: scale(1.03);
    }

    .case-info {
      padding: 20px;
    }

    .case-tag {
      font-size: 12px;
      color: var(--primary-color);
      font-weight: 700;
      margin-bottom: 6px;
    }

    .case-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .case-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .banner-gallery-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 32px;
    }

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

    .banner-item img {
      width: 100%;
      height: auto;
      display: block;
    }

    .banner-caption {
      padding: 12px 16px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
      text-align: center;
    }

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

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 24px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .review-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: #93c5fd;
    }

    .review-stars {
      color: #f59e0b;
      font-size: 16px;
      margin-bottom: 12px;
      letter-spacing: 2px;
    }

    .review-content {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .review-user-box {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }

    .user-avatar-initial {
      width: 42px;
      height: 42px;
      background: #eff6ff;
      color: var(--primary-color);
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      border: 1px solid #bfdbfe;
    }

    .user-info-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

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

    .faq-accordion-container {
      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;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: #93c5fd;
    }

    .faq-question {
      padding: 18px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-weight: 600;
      font-size: 16px;
      color: var(--text-main);
      user-select: none;
    }

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

    .faq-icon-arrow {
      font-size: 18px;
      transition: transform 0.28s ease;
      color: var(--text-light);
    }

    .faq-item.active .faq-icon-arrow {
      transform: rotate(180deg);
      color: var(--primary-color);
    }

    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .contact-form-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .contact-info-panel h3 {
      font-size: 24px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .contact-info-panel p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.6;
    }

    .contact-details-list {
      list-style: none;
      margin-bottom: 28px;
    }

    .contact-details-list li {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
      font-size: 14px;
      color: var(--text-muted);
    }

    .contact-badge-label {
      font-weight: 700;
      color: var(--text-main);
      min-width: 80px;
    }

    .qr-contact-box {
      display: flex;
      align-items: center;
      gap: 16px;
      background: #f8fafc;
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      margin-top: 20px;
    }

    .qr-img-wrapper {
      width: 96px;
      height: 96px;
      border-radius: var(--radius-sm);
      overflow: hidden;
      background: #ffffff;
      border: 1px solid var(--border-color);
      flex-shrink: 0;
    }

    .qr-img-wrapper img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    .qr-text-info h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .qr-text-info p {
      font-size: 12px;
      color: var(--text-muted);
      margin: 0;
      line-height: 1.4;
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      background-color: #ffffff;
      transition: var(--transition);
      outline: none;
    }

    .form-control:focus {
      border-color: var(--border-focus);
      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 96px;
    }

    .articles-links-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-top: 24px;
    }

    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 14px;
    }

    .article-link-item {
      display: block;
      padding: 10px 14px;
      background: var(--bg-subtle);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      color: var(--text-muted);
      text-decoration: none;
      font-size: 13px;
      transition: var(--transition);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .article-link-item:hover {
      background: #eff6ff;
      color: var(--primary-color);
      border-color: #bfdbfe;
    }

    .site-footer {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 24px;
      color: var(--text-muted);
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 36px;
    }

    .footer-brand h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 13px;
      line-height: 1.6;
      color: var(--text-light);
      max-width: 320px;
    }

    .footer-col h5 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }

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

    .footer-links-list li {
      margin-bottom: 8px;
    }

    .footer-links-list li a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 13px;
      transition: var(--transition);
    }

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

    .friend-links-box {
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friend-links-title {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
    }

    .friend-links-list a {
      color: var(--text-light);
      text-decoration: none;
      transition: var(--transition);
    }

    .friend-links-list a:hover {
      color: var(--primary-color);
    }

    .footer-bottom-bar {
      border-top: 1px solid var(--border-color);
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 13px;
      color: var(--text-light);
    }

    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 24px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .widget-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--text-main);
      text-decoration: none;
      font-size: 18px;
      transition: var(--transition);
    }

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

    @media (max-width: 1024px) {
      .services-grid,
      .intro-grid,
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .banner-gallery-row {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 10px 0;
      }
      .header-actions {
        display: none;
      }
      .services-grid,
      .intro-grid,
      .reviews-grid,
      .case-gallery-grid,
      .banner-gallery-row,
      .workflow-steps-grid {
        grid-template-columns: 1fr;
      }
      .contact-form-layout {
        grid-template-columns: 1fr;
        padding: 24px;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer-bottom-bar {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
      .hero-section {
        padding: 48px 0 40px;
      }
      .hero-stats-grid {
        grid-template-columns: 1fr 1fr;
      }
      .article-links-grid {
        grid-template-columns: 1fr;
      }
    }