:root {
      --primary: #0d9488;
      --primary-light: #14b8a6;
      --primary-dark: #0f766e;
      --primary-soft: #f0fdfa;
      --primary-border: #ccfbf1;
      --accent: #0284c7;
      --accent-soft: #f0f9ff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --border-color: #e2e8f0;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 4px 16px -2px rgba(13, 148, 136, 0.08), 0 2px 6px -2px rgba(15, 23, 42, 0.05);
      --shadow-lg: 0 12px 28px -4px rgba(13, 148, 136, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
      --radius: 12px;
      --max-width: 1200px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

    *, *::before, *::after {
      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", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-page);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
    }

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

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

    .ai-page-logo {
      height: 40px;
      width: auto;
      display: block;
      object-fit: contain;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary-dark);
      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 14px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: 6px;
    }

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

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

    .btn-nav-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 8px 18px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #ffffff !important;
      font-size: 0.9rem;
      font-weight: 600;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(13, 148, 136, 0.25);
    }

    .btn-nav-primary:hover {
      opacity: 0.95;
      transform: translateY(-1px);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 4px;
    }

    /* 区域通用样式 */
    .section-padding {
      padding: 80px 0;
    }

    .section-alt {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px auto;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: var(--primary-soft);
      color: var(--primary);
      border: 1px solid var(--primary-border);
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 14px;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Hero 首屏 (无图规范：纯色、渐变与几何交互) */
    .hero-section {
      padding: 90px 0 80px 0;
      background: radial-gradient(circle at 80% 20%, rgba(20, 184, 166, 0.12) 0%, rgba(240, 253, 250, 0.4) 40%, #f8fafc 100%);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

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

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: rgba(13, 148, 136, 0.08);
      border: 1px solid rgba(13, 148, 136, 0.2);
      border-radius: 30px;
      margin-bottom: 20px;
      color: var(--primary-dark);
      font-size: 0.88rem;
      font-weight: 600;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary-light);
      box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.25);
    }

    .hero-title {
      font-size: 2.7rem;
      font-weight: 800;
      line-height: 1.25;
      color: #0f172a;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title-highlight {
      background: linear-gradient(135deg, #0d9488 0%, #0284c7 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      margin-bottom: 32px;
      line-height: 1.7;
    }

    .hero-btn-group {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 36px;
    }

    .btn-hero-main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 32px;
      background: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      border-radius: 10px;
      box-shadow: 0 6px 20px rgba(13, 148, 136, 0.35);
    }

    .btn-hero-main:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(13, 148, 136, 0.45);
    }

    .btn-hero-sub {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 28px;
      background: #ffffff;
      color: var(--primary-dark);
      border: 1px solid rgba(13, 148, 136, 0.3);
      font-size: 1.02rem;
      font-weight: 600;
      border-radius: 10px;
    }

    .btn-hero-sub:hover {
      background: var(--primary-soft);
      border-color: var(--primary);
    }

    .hero-meta-points {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      font-size: 0.9rem;
      color: var(--text-light);
    }

    .meta-item {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .meta-check {
      color: var(--primary);
      font-weight: bold;
    }

    /* 首屏纯CSS科技面板卡片（无图） */
    .hero-tech-card {
      background: #ffffff;
      border: 1px solid var(--primary-border);
      border-radius: 16px;
      padding: 30px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .tech-card-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 16px;
      margin-bottom: 20px;
    }

    .tech-status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.82rem;
      color: #0f766e;
      background: #ccfbf1;
      padding: 4px 10px;
      border-radius: 12px;
      font-weight: 600;
    }

    .tech-metrics-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 24px;
    }

    .metric-box {
      background: #f8fafc;
      border: 1px solid #edf2f7;
      border-radius: 10px;
      padding: 16px;
    }

    .metric-val {
      font-size: 1.7rem;
      font-weight: 800;
      color: var(--primary-dark);
      line-height: 1;
      margin-bottom: 6px;
    }

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

    .tech-flow-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .flow-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: var(--primary-soft);
      padding: 10px 14px;
      border-radius: 8px;
      font-size: 0.88rem;
    }

    .flow-tag {
      font-weight: 600;
      color: var(--primary-dark);
    }

    /* 平台核心模型支持跑马灯/标签云 */
    .model-marquee-section {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      padding: 24px 0;
    }

    .model-list-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      align-items: center;
    }

    .model-chip {
      display: inline-block;
      padding: 6px 14px;
      background: #f1f5f9;
      border: 1px solid #e2e8f0;
      border-radius: 20px;
      font-size: 0.84rem;
      font-weight: 600;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .model-chip:hover {
      background: var(--primary-soft);
      color: var(--primary);
      border-color: var(--primary-light);
      transform: translateY(-1px);
    }

    /* 通用栅格卡片 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

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

    .feature-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .card-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: var(--primary-soft);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      margin-bottom: 20px;
      font-weight: bold;
    }

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

    .card-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 场景分类大模块 */
    .scenario-badge {
      display: inline-block;
      font-size: 0.78rem;
      font-weight: 600;
      padding: 3px 8px;
      background: #e0f2fe;
      color: #0369a1;
      border-radius: 4px;
      margin-bottom: 12px;
      width: fit-content;
    }

    /* 对比评测卡片体系 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #f0fdfa 0%, #ffffff 100%);
      border: 2px solid var(--primary-light);
      border-radius: 16px;
      padding: 36px;
      margin-bottom: 40px;
      box-shadow: var(--shadow-md);
    }

    .eval-score-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
      border-bottom: 1px dashed #cbd5e1;
      padding-bottom: 24px;
      margin-bottom: 24px;
    }

    .eval-score-main {
      display: flex;
      align-items: baseline;
      gap: 12px;
    }

    .score-num {
      font-size: 3.5rem;
      font-weight: 900;
      color: var(--primary-dark);
      line-height: 1;
    }

    .score-max {
      font-size: 1.2rem;
      color: var(--text-light);
    }

    .star-rate {
      color: #f59e0b;
      font-size: 1.4rem;
      letter-spacing: 2px;
    }

    .eval-table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }

    .eval-table th, .eval-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
      font-size: 0.95rem;
    }

    .eval-table th {
      background: #f8fafc;
      color: var(--text-main);
      font-weight: 700;
    }

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

    .tag-winner {
      color: var(--primary-dark);
      font-weight: 700;
    }

    /* 案例图文混排区 */
    .image-showcase-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-bottom: 30px;
    }

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

    .media-container {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    .media-container.square-ratio {
      aspect-ratio: 1 / 1;
    }

    .media-container img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
    }

    .media-content {
      padding: 20px;
    }

    .media-content h4 {
      font-size: 1.15rem;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .media-content p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 标准流程时间线 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

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

    .step-number {
      display: inline-block;
      width: 36px;
      height: 36px;
      line-height: 36px;
      text-align: center;
      background: var(--primary-soft);
      color: var(--primary);
      font-weight: 800;
      border-radius: 8px;
      margin-bottom: 16px;
    }

    /* 用户评论 */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .review-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      font-style: italic;
    }

    .review-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .user-avatar-circle {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #ccfbf1, #bae6fd);
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
    }

    .user-name {
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .user-role {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* FAQ 折叠 */
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 10px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-question {
      width: 100%;
      padding: 18px 24px;
      background: none;
      border: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      text-align: left;
    }

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

    .faq-icon {
      font-size: 1.2rem;
      transition: transform 0.25s;
    }

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

    .faq-answer {
      display: none;
      padding: 0 24px 20px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      border-top: 1px solid #f8fafc;
    }

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

    /* 表单与需求匹配 */
    .form-wrapper-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 40px;
      box-shadow: var(--shadow-md);
      max-width: 760px;
      margin: 0 auto;
    }

    .form-group-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-bottom: 20px;
    }

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

    .form-item.full-width {
      grid-column: 1 / -1;
      margin-bottom: 20px;
    }

    .form-label {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 0.95rem;
      font-family: inherit;
      color: var(--text-main);
      background: #f8fafc;
      transition: var(--transition);
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
    }

    .form-textarea {
      resize: vertical;
      min-height: 110px;
    }

    .btn-submit {
      width: 100%;
      padding: 14px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
      transition: var(--transition);
    }

    .btn-submit:hover {
      opacity: 0.95;
      transform: translateY(-1px);
    }

    /* 资讯与百科 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .news-tag {
      font-size: 0.78rem;
      color: var(--primary-dark);
      background: var(--primary-soft);
      padding: 3px 8px;
      border-radius: 4px;
      width: fit-content;
      margin-bottom: 12px;
    }

    .news-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.45;
    }

    .news-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .news-link {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .news-link:hover {
      text-decoration: underline;
    }

    /* 合作加盟与联系展示卡片 */
    .contact-card-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 40px;
    }

    .contact-item-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px;
      text-align: center;
    }

    .contact-item-card h4 {
      font-size: 1.05rem;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .contact-item-card p {
      font-size: 0.95rem;
      color: var(--primary-dark);
      font-weight: 600;
    }

    .contact-qr-container {
      max-width: 140px;
      margin: 12px auto 0 auto;
      border-radius: 8px;
      overflow: hidden;
      border: 1px solid #e2e8f0;
    }

    .contact-qr-container img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background-color: #0f172a;
      color: #cbd5e1;
      padding: 60px 0 30px 0;
      border-top: 1px solid #1e293b;
    }

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

    .footer-col h4 {
      color: #ffffff;
      font-size: 1.1rem;
      margin-bottom: 18px;
      font-weight: 600;
    }

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

    .footer-links-list li a {
      color: #94a3b8;
      font-size: 0.92rem;
    }

    .footer-links-list li a:hover {
      color: #38bdf8;
    }

    .friendship-links-wrap {
      border-top: 1px solid #1e293b;
      padding: 24px 0;
      margin-bottom: 24px;
    }

    .friendship-title {
      font-size: 0.9rem;
      color: #64748b;
      margin-bottom: 12px;
    }

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

    .friendship-flex a {
      color: #94a3b8;
      font-size: 0.88rem;
    }

    .friendship-flex a:hover {
      color: #2dd4bf;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.86rem;
      color: #64748b;
    }

    /* 悬浮客服面板 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .widget-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--primary-dark);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
      cursor: pointer;
      font-size: 1.2rem;
      transition: var(--transition);
      position: relative;
    }

    .widget-btn:hover {
      background: var(--primary-soft);
      border-color: var(--primary);
    }

    .widget-qr-box {
      display: none;
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: 8px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      width: 160px;
      text-align: center;
    }

    .widget-qr-box img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 4px;
    }

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

    .widget-btn-qr:hover .widget-qr-box {
      display: block;
    }

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .grid-3, .review-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-4, .contact-card-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-content-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;
        align-items: flex-start;
        padding: 16px 20px;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--border-color);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        width: 100%;
        padding: 10px 0;
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .grid-3, .grid-4, .grid-2, .review-grid, .news-grid, .contact-card-grid, .image-showcase-grid {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .form-group-grid {
        grid-template-columns: 1fr;
      }
      .footer-content-grid {
        grid-template-columns: 1fr;
      }
      .eval-score-header {
        flex-direction: column;
        align-items: flex-start;
      }
    }