:root {
      --primary: #e6005c;
      --primary-dark: #b80049;
      --primary-light: #fff0f5;
      --primary-gradient: linear-gradient(135deg, #ff1a75 0%, #d80064 100%);
      --accent: #ff4081;
      --accent-soft: rgba(230, 0, 92, 0.08);
      --text-main: #1f2429;
      --text-muted: #5c6570;
      --text-light: #8c96a4;
      --bg-page: #fdfafb;
      --bg-card: #ffffff;
      --bg-alt: #fcf1f4;
      --border-color: #f7d2df;
      --border-focus: #e6005c;
      --shadow-sm: 0 4px 12px rgba(230, 0, 92, 0.05);
      --shadow-md: 0 10px 24px rgba(230, 0, 92, 0.08);
      --shadow-lg: 0 16px 36px rgba(230, 0, 92, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --container-width: 1200px;
      --transition: all 0.28s ease;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      background: radial-gradient(circle at 10% 20%, rgba(255, 230, 240, 0.6) 0%, rgba(253, 250, 251, 1) 90%);
      min-height: 100vh;
      overflow-x: hidden;
    }

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

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

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

    .section {
      padding: 70px 0;
      position: relative;
    }

    .section-alt {
      background: linear-gradient(180deg, rgba(255, 245, 248, 0.8) 0%, rgba(253, 250, 251, 0.9) 100%);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

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

    .section-tag {
      display: inline-block;
      padding: 4px 16px;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      background-color: var(--primary-light);
      border: 1px solid var(--border-color);
      border-radius: 30px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }

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

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

    .brand-logo-wrap {
      width: 130px;
      display: flex;
      align-items: center;
    }

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

    .nav-links li a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-main);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      display: block;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background-color: var(--accent-soft);
    }

    .nav-cta-wrap {
      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);
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      text-align: center;
    }

    .btn-primary {
      background: var(--primary-gradient);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(230, 0, 92, 0.3);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #ff3385 0%, #b80049 100%);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(230, 0, 92, 0.4);
    }

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

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

    .btn-sm {
      padding: 6px 14px;
      font-size: 13px;
      border-radius: var(--radius-sm);
    }

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

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

    /* Hero 首屏 - 无图片纯CSS科技质感 */
    .hero-section {
      padding: 80px 0 70px;
      position: relative;
      background: radial-gradient(circle at 80% 20%, rgba(255, 64, 129, 0.12) 0%, rgba(255, 255, 255, 0) 60%),
                  radial-gradient(circle at 10% 80%, rgba(230, 0, 92, 0.08) 0%, rgba(255, 255, 255, 0) 50%);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 38px;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 18px;
      letter-spacing: -0.8px;
    }

    .hero-content h1 span {
      color: var(--primary);
      position: relative;
      display: inline-block;
    }

    .hero-content h1 span::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 2px;
      width: 100%;
      height: 6px;
      background-color: rgba(255, 64, 129, 0.2);
      border-radius: 4px;
      z-index: -1;
    }

    .hero-lead {
      font-size: 17px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 28px;
    }

    .hero-features {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-bottom: 32px;
    }

    .hero-feat-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-main);
      background: #ffffff;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }

    .hero-feat-item .dot {
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
      flex-shrink: 0;
      box-shadow: 0 0 0 3px rgba(230, 0, 92, 0.2);
    }

    .hero-action-group {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
    }

    /* 视觉控制台面板(纯CSS组件) */
    .hero-visual-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .card-top-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 16px;
      margin-bottom: 18px;
      border-bottom: 1px solid var(--border-color);
    }

    .card-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
      background: var(--primary-light);
      padding: 4px 10px;
      border-radius: 20px;
    }

    .card-badge-pulse {
      width: 6px;
      height: 6px;
      background: var(--primary);
      border-radius: 50%;
      animation: pulseAnim 1.8s infinite;
    }

    @keyframes pulseAnim {
      0% { transform: scale(0.9); opacity: 0.8; }
      50% { transform: scale(1.3); opacity: 1; }
      100% { transform: scale(0.9); opacity: 0.8; }
    }

    .engine-stack {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .engine-item {
      background: var(--bg-page);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 14px 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: var(--transition);
    }

    .engine-item:hover {
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }

    .engine-info {
      display: flex;
      flex-direction: column;
    }

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

    .engine-desc {
      font-size: 12px;
      color: var(--text-light);
    }

    .engine-status {
      font-size: 12px;
      color: var(--primary);
      font-weight: 600;
      background: #fff;
      padding: 4px 10px;
      border-radius: 12px;
      border: 1px solid var(--border-color);
    }

    /* 平台核心数据看板 */
    .metrics-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 40px;
    }

    .metric-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
      transition: var(--transition);
    }

    .metric-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }

    .metric-number {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
    }

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

    /* 场景与能力网格 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

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

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

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

    .service-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .service-icon-box {
      width: 44px;
      height: 44px;
      background: var(--primary-light);
      border: 1px solid var(--border-color);
      color: var(--primary);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
      flex-shrink: 0;
    }

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

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

    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .tag-item {
      font-size: 12px;
      background: var(--bg-page);
      color: var(--primary-dark);
      padding: 3px 8px;
      border-radius: 4px;
      border: 1px solid var(--border-color);
    }

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

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
    }

    .step-num {
      position: absolute;
      top: -14px;
      left: 20px;
      background: var(--primary-gradient);
      color: #ffffff;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      font-weight: 700;
      box-shadow: 0 2px 8px rgba(230, 0, 92, 0.3);
    }

    .step-title {
      font-size: 16px;
      font-weight: 700;
      margin-top: 10px;
      margin-bottom: 8px;
    }

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

    /* 宣传图画廊与素材图 */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-bottom: 30px;
    }

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

    .gallery-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }

    .gallery-item img {
      width: 100%;
      height: 160px;
      object-fit: cover;
    }

    .material-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
      margin-top: 24px;
    }

    .material-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      padding: 16px;
    }

    .material-card h4 {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .material-img-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .material-card img {
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      width: 100%;
      height: 180px;
      object-fit: cover;
    }

    .material-card.square-box img {
      height: 180px;
      object-fit: cover;
    }

    /* 对比评测专属板块 */
    .eval-box {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .eval-header-banner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: var(--primary-light);
      border: 1px solid var(--border-color);
      padding: 20px 24px;
      border-radius: var(--radius-md);
      margin-bottom: 28px;
    }

    .eval-score-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .eval-stars {
      color: #ffb300;
      font-size: 20px;
      letter-spacing: 2px;
    }

    .eval-score {
      font-size: 32px;
      font-weight: 900;
      color: var(--primary);
    }

    .eval-score small {
      font-size: 16px;
      color: var(--text-muted);
      font-weight: 500;
    }

    .table-container {
      overflow-x: auto;
      margin-top: 16px;
    }

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

    .eval-table th,
    .eval-table td {
      padding: 14px 16px;
      border-bottom: 1px solid var(--border-color);
    }

    .eval-table th {
      background-color: var(--bg-page);
      font-weight: 700;
      color: var(--text-main);
    }

    .eval-table tr:hover td {
      background-color: var(--primary-light);
    }

    .highlight-col {
      color: var(--primary);
      font-weight: 700;
      background: rgba(255, 240, 245, 0.4);
    }

    /* 模型支持标签云 */
    .model-tags-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      justify-content: center;
      max-width: 960px;
      margin: 0 auto;
    }

    .model-pill {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      transition: var(--transition);
    }

    .model-pill:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }

    /* 用户评论 */
    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
    }

    .testimonial-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }

    .avatar-icon {
      width: 40px;
      height: 40px;
      background: var(--primary-light);
      border: 1px solid var(--border-color);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
    }

    .user-meta h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }

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

    .testimonial-text {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* FAQ 折叠面板 */
    .faq-accordion {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

    .faq-item.active {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 16px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 700;
      font-size: 15px;
      color: var(--text-main);
      background: #ffffff;
      user-select: none;
    }

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

    .faq-toggle-icon {
      font-size: 18px;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      padding: 0 20px;
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding-bottom: 16px;
      transition: max-height 0.3s ease-in-out;
    }

    /* 资讯与动态 */
    .article-list {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

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

    .article-card:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .article-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .article-link-btn {
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      margin-top: 12px;
    }

    /* 需求匹配与表单区 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 32px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

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

    .form-group label {
      display: block;
      font-size: 14px;
      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: var(--bg-page);
      outline: none;
      transition: var(--transition);
    }

    .form-control:focus {
      border-color: var(--border-focus);
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(230, 0, 92, 0.1);
    }

    .qr-contact-box {
      background: var(--bg-page);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      justify-content: center;
    }

    .qr-image-wrap {
      width: 150px;
      height: 150px;
      background: #ffffff;
      padding: 8px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .qr-image-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .contact-meta-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
      font-size: 14px;
      color: var(--text-muted);
      width: 100%;
    }

    .contact-meta-item {
      display: flex;
      justify-content: space-between;
      padding: 6px 0;
      border-bottom: 1px dashed var(--border-color);
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 50px 0 30px;
      color: var(--text-muted);
      font-size: 14px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
      gap: 30px;
      padding-bottom: 36px;
      border-bottom: 1px solid var(--border-color);
      margin-bottom: 24px;
    }

    .footer-brand p {
      font-size: 13px;
      line-height: 1.7;
      margin-top: 12px;
      color: var(--text-muted);
    }

    .footer-col h5 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-col ul a:hover {
      color: var(--primary);
    }

    .friend-links-area {
      padding: 16px 0;
      border-bottom: 1px solid var(--border-color);
      margin-bottom: 20px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      font-size: 13px;
    }

    .friend-links-area span {
      font-weight: 700;
      color: var(--text-main);
    }

    .friend-links-area a {
      color: var(--text-muted);
      padding: 2px 8px;
      border-radius: 4px;
      background: var(--bg-page);
      border: 1px solid var(--border-color);
    }

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

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

    /* 悬浮客服面板 */
    .float-service-widget {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
      cursor: pointer;
      color: var(--primary);
      transition: var(--transition);
      font-size: 13px;
      font-weight: 700;
    }

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

    .back-top-btn {
      display: none;
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .grid-3, .grid-4, .workflow-steps, .gallery-grid, .article-list {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-bar {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: repeat(2, 1fr);
      }
      .material-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .section {
        padding: 50px 0;
      }
      .section-title {
        font-size: 24px;
      }
      .hero-content h1 {
        font-size: 28px;
      }
      .mobile-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: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 12px 0;
      }
      .grid-3, .grid-4, .grid-2, .workflow-steps, .gallery-grid, .article-list, .metrics-bar {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .eval-header-banner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
      }
    }