:root {
      --primary-red: #c62828;
      --deep-red: #8e0000;
      --fire-red: #d32f2f;
      --bright-red: #e53935;
      --light-red: #ffebee;
      --card-red-tint: #fff8f8;
      --text-dark: #1e2022;
      --text-muted: #596168;
      --text-light: #8c959f;
      --border-color: #f0c9c9;
      --bg-neutral: #fafafa;
      --bg-pure: #ffffff;
      --accent-gold: #ffb300;
      --shadow-sm: 0 2px 8px rgba(198, 40, 40, 0.08);
      --shadow-md: 0 8px 24px rgba(198, 40, 40, 0.12);
      --shadow-lg: 0 16px 36px rgba(142, 0, 0, 0.15);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --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, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-neutral);
      color: var(--text-dark);
      line-height: 1.65;
      overflow-x: hidden;
      background-image: linear-gradient(180deg, #fff5f5 0%, #ffffff 400px, #fffafa 100%);
    }

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

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

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

    .header-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }

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

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

    .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary-red);
      letter-spacing: 0.5px;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 13px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-dark);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--bright-red);
      background-color: var(--light-red);
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: 50px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      font-size: 0.95rem;
      text-align: center;
    }

    .btn-red {
      background: linear-gradient(135deg, var(--bright-red) 0%, var(--primary-red) 100%);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(229, 57, 53, 0.35);
    }

    .btn-red:hover {
      background: linear-gradient(135deg, #f44336 0%, var(--deep-red) 100%);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(198, 40, 40, 0.45);
    }

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

    .btn-outline:hover {
      background-color: var(--light-red);
      transform: translateY(-2px);
    }

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

    /* Section Global */
    section {
      padding: 70px 0;
      position: relative;
    }

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

    .section-tag {
      display: inline-block;
      background-color: var(--light-red);
      color: var(--primary-red);
      font-size: 0.85rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      letter-spacing: 1px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 12px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 720px;
      margin: 0 auto;
    }

    /* Hero Section (No Image Strictly) */
    .hero-section {
      padding: 90px 0 70px;
      background: linear-gradient(180deg, #fff0f0 0%, #fffbfb 60%, var(--bg-neutral) 100%);
      border-bottom: 1px solid #fae1e1;
      position: relative;
      overflow: hidden;
    }

    .hero-deco-circle {
      position: absolute;
      width: 480px;
      height: 480px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(229, 57, 53, 0.08) 0%, rgba(255,255,255,0) 70%);
      top: -120px;
      right: -100px;
      pointer-events: none;
    }

    .hero-deco-pattern {
      position: absolute;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255, 179, 0, 0.07) 0%, rgba(255,255,255,0) 70%);
      bottom: -60px;
      left: -80px;
      pointer-events: none;
    }

    .hero-content {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 6px 18px;
      border-radius: 30px;
      color: var(--primary-red);
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-h1 {
      font-size: 2.7rem;
      font-weight: 900;
      color: #111417;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-h1 span {
      color: var(--primary-red);
      background: linear-gradient(135deg, var(--bright-red) 0%, var(--deep-red) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-p {
      font-size: 1.18rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 36px;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .btn-hero-primary {
      font-size: 1.1rem;
      padding: 14px 34px;
    }

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

    .stat-card {
      background: #ffffff;
      padding: 24px 18px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      text-align: center;
    }

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

    .stat-num {
      font-size: 2.1rem;
      font-weight: 900;
      color: var(--primary-red);
      line-height: 1.2;
      margin-bottom: 6px;
    }

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

    /* Model Badges Wall */
    .model-wall {
      background: #fffafa;
      border: 1px dashed var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-top: 40px;
      text-align: center;
    }

    .model-wall-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--deep-red);
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
    }

    .model-tag {
      background: #ffffff;
      border: 1px solid #ebd0d0;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.82rem;
      font-weight: 600;
      color: #3b4249;
      transition: var(--transition);
    }

    .model-tag:hover {
      background: var(--bright-red);
      color: #ffffff;
      border-color: var(--bright-red);
      transform: scale(1.04);
    }

    /* Cards & Grids */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
      align-items: center;
    }

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

    .service-card {
      background: #ffffff;
      border: 1px solid #f2d4d4;
      border-radius: var(--radius-md);
      padding: 30px 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--bright-red);
    }

    .card-icon-badge {
      width: 54px;
      height: 54px;
      background: var(--light-red);
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      color: var(--primary-red);
      margin-bottom: 20px;
      font-weight: 800;
    }

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

    .card-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
    }

    .card-list {
      margin-top: 15px;
      list-style: none;
      border-top: 1px dashed #f0dede;
      padding-top: 12px;
    }

    .card-list li {
      font-size: 0.88rem;
      color: #4b5259;
      margin-bottom: 6px;
      position: relative;
      padding-left: 16px;
    }

    .card-list li::before {
      content: "•";
      color: var(--bright-red);
      position: absolute;
      left: 2px;
      font-weight: bold;
    }

    /* Scene Showcase Matrix */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .scene-item {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid #f0d5d5;
      padding: 22px;
      transition: var(--transition);
    }

    .scene-item:hover {
      border-color: var(--bright-red);
      box-shadow: var(--shadow-sm);
      transform: translateY(-3px);
    }

    .scene-item h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--deep-red);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .scene-item p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

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

    .step-node {
      background: #ffffff;
      padding: 28px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      text-align: center;
      position: relative;
    }

    .step-seq {
      width: 46px;
      height: 46px;
      line-height: 46px;
      background: linear-gradient(135deg, var(--bright-red) 0%, var(--deep-red) 100%);
      color: #ffffff;
      font-size: 1.1rem;
      font-weight: 800;
      border-radius: 50%;
      margin: 0 auto 16px;
      box-shadow: 0 4px 10px rgba(198, 40, 40, 0.25);
    }

    .step-node h4 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .step-node p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Comparison Table (Evaluation) */
    .eval-highlight-box {
      background: linear-gradient(135deg, #fff5f5 0%, #ffffff 100%);
      border: 2px solid var(--bright-red);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-md);
      margin-bottom: 35px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

    .eval-score-wrap {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .eval-stars {
      color: #f59e0b;
      font-size: 1.6rem;
      letter-spacing: 2px;
    }

    .eval-points {
      font-size: 2.4rem;
      font-weight: 900;
      color: var(--primary-red);
    }

    .eval-points small {
      font-size: 1.1rem;
      color: var(--text-muted);
      font-weight: normal;
    }

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

    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .custom-table th,
    .custom-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f2dfdf;
      font-size: 0.95rem;
    }

    .custom-table th {
      background-color: var(--light-red);
      color: var(--deep-red);
      font-weight: 700;
    }

    .custom-table tr:hover td {
      background-color: #fff9f9;
    }

    .custom-table td.col-brand {
      font-weight: 700;
      color: var(--bright-red);
      background-color: #fffafa;
    }

    /* Case Studies (with media) */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

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

    .case-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }

    .case-img-wrap {
      width: 100%;
      overflow: hidden;
      background: #f5f5f5;
    }

    .case-img-wrap img {
      width: 100%;
      height: 250px;
      object-fit: cover;
      transition: var(--transition);
    }

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

    .case-body {
      padding: 24px;
      flex-grow: 1;
    }

    .case-tag {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--primary-red);
      text-transform: uppercase;
      margin-bottom: 8px;
    }

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

    .case-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Banner Row (Images) */
    .banner-gallery {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 15px;
      margin-top: 35px;
    }

    .banner-item {
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid var(--border-color);
      background: #f8f8f8;
    }

    .banner-item img {
      width: 100%;
      height: 160px;
      object-fit: cover;
      transition: var(--transition);
    }

    .banner-item:hover img {
      transform: scale(1.05);
    }

    /* Testimonials */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .quote-icon {
      font-size: 2rem;
      color: #f7cece;
      line-height: 1;
      margin-bottom: 12px;
      font-family: Georgia, serif;
    }

    .quote-content {
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .quote-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f6e3e3;
      padding-top: 15px;
    }

    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--light-red);
      color: var(--primary-red);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

    .author-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-dark);
    }

    .author-info p {
      font-size: 0.82rem;
      color: var(--text-light);
    }

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

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

    .faq-question {
      padding: 18px 22px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-dark);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: #ffffff;
      transition: var(--transition);
    }

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

    .faq-arrow {
      font-size: 0.85rem;
      transition: transform 0.25s ease;
      color: var(--primary-red);
    }

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

    .faq-answer {
      padding: 0 22px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #fffafa;
      color: var(--text-muted);
      font-size: 0.94rem;
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      padding: 18px 22px;
      max-height: 250px;
      border-top: 1px solid #f6dede;
    }

    /* Articles & News */
    .article-block {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .article-links-list {
      list-style: none;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 15px;
      margin-top: 20px;
    }

    .article-links-list a {
      display: block;
      padding: 12px 18px;
      background: #fff8f8;
      border: 1px solid #f2d8d8;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      color: var(--text-dark);
      word-break: break-all;
    }

    .article-links-list a:hover {
      border-color: var(--bright-red);
      background: var(--light-red);
      color: var(--primary-red);
      padding-left: 22px;
    }

    /* Contact & Form */
    .contact-container {
      display: grid;
      grid-template-columns: 1fr 1.3fr;
      gap: 40px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }

    .contact-info-panel {
      background: linear-gradient(145deg, var(--deep-red) 0%, var(--primary-red) 100%);
      color: #ffffff;
      padding: 40px 35px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-info-panel h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 15px;
    }

    .contact-info-panel p {
      font-size: 0.95rem;
      opacity: 0.92;
      line-height: 1.7;
      margin-bottom: 25px;
    }

    .contact-item-row {
      display: flex;
      align-items: center;
      gap: 15px;
      margin-bottom: 18px;
      font-size: 0.95rem;
    }

    .qr-box {
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-sm);
      width: 140px;
      text-align: center;
      margin-top: 15px;
    }

    .qr-box img {
      width: 100%;
      height: auto;
    }

    .qr-box span {
      display: block;
      color: var(--text-dark);
      font-size: 0.78rem;
      font-weight: 700;
      margin-top: 6px;
    }

    .form-panel {
      padding: 40px 35px;
    }

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

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-dark);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #dcdfe6;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      transition: var(--transition);
      background-color: #fafafa;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--bright-red);
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.15);
    }

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

    /* Footer */
    .site-footer {
      background-color: #ffffff;
      border-top: 2px solid var(--border-color);
      padding: 50px 0 25px;
      color: var(--text-dark);
      font-size: 0.92rem;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 35px;
      margin-bottom: 35px;
    }

    .footer-brand-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-top: 15px;
      max-width: 320px;
    }

    .footer-col h5 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--deep-red);
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
    }

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

    .footer-col ul li a {
      color: var(--text-muted);
      transition: var(--transition);
    }

    .footer-col ul li a:hover {
      color: var(--bright-red);
      padding-left: 4px;
    }

    .footer-links-box {
      border-top: 1px solid #f0dede;
      padding-top: 25px;
      margin-top: 20px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 15px;
    }

    .footer-links-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--deep-red);
    }

    .footer-links-box a {
      font-size: 0.86rem;
      color: var(--text-muted);
      background: #fdf2f2;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
    }

    .footer-links-box a:hover {
      color: var(--bright-red);
      background: var(--light-red);
    }

    .footer-bottom {
      border-top: 1px solid #f5e6e6;
      padding-top: 20px;
      text-align: center;
      color: var(--text-light);
      font-size: 0.85rem;
      margin-top: 20px;
    }

    /* Floating Widget */
    .float-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: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--primary-red);
      font-size: 1.2rem;
      font-weight: bold;
      transition: var(--transition);
      position: relative;
    }

    .float-btn:hover {
      background: var(--bright-red);
      color: #ffffff;
      transform: scale(1.08);
    }

    .float-popover {
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      padding: 10px;
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      display: none;
      width: 140px;
      text-align: center;
    }

    .float-btn:hover .float-popover {
      display: block;
    }

    /* Responsive */
    @media (max-width: 992px) {
      .hero-h1 {
        font-size: 2.2rem;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3, .scene-grid, .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .step-chain {
        grid-template-columns: repeat(2, 1fr);
      }
      .banner-gallery {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
      .contact-container {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 2px 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: 12px 16px;
      }
      .nav-cta {
        display: none;
      }
      .hero-h1 {
        font-size: 1.85rem;
      }
      .grid-3, .scene-grid, .testimonial-grid, .case-grid {
        grid-template-columns: 1fr;
      }
      .step-chain {
        grid-template-columns: 1fr;
      }
      .article-links-list {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
    }