:root {
      --primary: #e11d48;
      --primary-hover: #be123c;
      --primary-light: #fff1f2;
      --primary-soft: #ffe4e6;
      --accent: #f43f5e;
      --accent-deep: #9f1239;
      --text-main: #0f172a;
      --text-sub: #475569;
      --text-light: #94a3b8;
      --bg-body: #faf8f8;
      --bg-surface: #ffffff;
      --bg-alt: #fff5f6;
      --border-color: #fecdd3;
      --border-light: #f3f4f6;
      --shadow-sm: 0 2px 8px rgba(225, 29, 72, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(225, 29, 72, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
      --shadow-lg: 0 20px 35px -10px rgba(225, 29, 72, 0.12), 0 10px 15px -5px rgba(0, 0, 0, 0.04);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      background-color: var(--bg-body);
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background: linear-gradient(180deg, #fffafa 0%, #faf8f8 600px, #ffffff 100%);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      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, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

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

    .logo-container {
      height: 44px;
      display: flex;
      align-items: center;
    }

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

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

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

    .nav-links li a {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-main);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }

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

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

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

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(225, 29, 72, 0.35);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary) 100%);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(225, 29, 72, 0.45);
    }

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

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

    .btn-lg {
      padding: 14px 32px;
      font-size: 1.05rem;
      border-radius: var(--radius-md);
    }

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

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

    /* 首屏 Hero */
    .hero-section {
      padding: 70px 0 60px;
      position: relative;
      overflow: hidden;
      background: radial-gradient(circle at 80% 20%, #ffe4e6 0%, rgba(255,255,255,0) 60%),
                  radial-gradient(circle at 10% 80%, #fff1f2 0%, rgba(255,255,255,0) 50%);
    }

    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffe4e6;
      color: var(--accent-deep);
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 700;
      margin-bottom: 24px;
      border: 1px solid #fecdd3;
    }

    .hero-title {
      font-size: clamp(2rem, 4.5vw, 3.2rem);
      font-weight: 900;
      line-height: 1.25;
      color: #1e1b4b;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

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

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-sub);
      line-height: 1.8;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-cta-group {
      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: 20px;
      margin-top: 20px;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .stat-num {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 0.88rem;
      color: var(--text-sub);
      font-weight: 500;
    }

    /* 通用区块排版 */
    .section-py {
      padding: 70px 0;
    }

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

    .section-header {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-block;
      color: var(--primary);
      font-weight: 700;
      font-size: 0.88rem;
      letter-spacing: 1px;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.35;
    }

    .section-subtitle {
      font-size: 1rem;
      color: var(--text-sub);
      line-height: 1.7;
    }

    /* 平台介绍 / 关于我们 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .intro-card-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .intro-card-box h3 {
      font-size: 1.5rem;
      color: var(--accent-deep);
      margin-bottom: 16px;
      font-weight: 800;
    }

    .intro-list {
      list-style: none;
      margin-top: 20px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .intro-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--text-sub);
      font-size: 0.96rem;
    }

    .intro-list li::before {
      content: "✓";
      display: inline-block;
      color: var(--primary);
      font-weight: 900;
      background: var(--primary-light);
      width: 22px;
      height: 22px;
      border-radius: 50%;
      text-align: center;
      line-height: 22px;
      font-size: 0.8rem;
      flex-shrink: 0;
    }

    /* 服务能力卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }

    .service-card::after {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      opacity: 0;
      transition: var(--transition);
    }

    .service-card:hover::after {
      opacity: 1;
    }

    .service-icon-box {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-sm);
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 20px;
    }

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

    .service-desc {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.65;
    }

    /* 场景矩阵 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .matrix-item {
      background: #ffffff;
      border: 1px solid #fecdd3;
      border-radius: var(--radius-sm);
      padding: 18px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .matrix-item:hover {
      border-color: var(--primary);
      background: #fff8f9;
      transform: translateY(-3px);
    }

    .matrix-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--accent-deep);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .matrix-desc {
      font-size: 0.84rem;
      color: var(--text-sub);
      line-height: 1.5;
    }

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

    .process-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-badge {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #ffffff;
      font-weight: 800;
      font-size: 1.1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      box-shadow: 0 4px 10px rgba(225, 29, 72, 0.3);
    }

    .process-title {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .process-desc {
      font-size: 0.88rem;
      color: var(--text-sub);
    }

    /* 案例中心 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .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);
    }

    .case-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .case-media-wrap {
      aspect-ratio: 16/9;
      overflow: hidden;
      background: #f1f5f9;
    }

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

    .case-media-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .case-card:hover .case-media-wrap img {
      transform: scale(1.05);
    }

    .case-info {
      padding: 20px;
    }

    .case-tag {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 3px 10px;
      border-radius: 20px;
      display: inline-block;
      margin-bottom: 8px;
    }

    .case-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .case-desc {
      font-size: 0.86rem;
      color: var(--text-sub);
    }

    /* 对比评测 */
    .eval-overview-box {
      background: linear-gradient(135deg, #fff1f2 0%, #ffffff 100%);
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      margin-bottom: 32px;
      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-big-num {
      font-size: 3.5rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

    .eval-star-group {
      color: #f59e0b;
      font-size: 1.4rem;
      margin-bottom: 4px;
    }

    .table-container {
      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;
      min-width: 680px;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #fecdd3;
      font-size: 0.92rem;
    }

    .compare-table th {
      background: #fff1f2;
      font-weight: 700;
      color: var(--text-main);
    }

    .compare-table tr:hover td {
      background: #fffafa;
    }

    .highlight-col {
      background: #fff8f9;
      color: var(--primary);
      font-weight: 700;
    }

    /* Token 比价 */
    .token-tags-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-bottom: 32px;
    }

    .model-tag {
      background: #ffffff;
      border: 1px solid #fecdd3;
      color: var(--accent-deep);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      transition: var(--transition);
    }

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

    /* 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-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: italic;
    }

    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .avatar-circle {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

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

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

    /* FAQ 折叠面板 */
    .faq-list {
      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: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .faq-question {
      padding: 18px 24px;
      font-weight: 700;
      font-size: 1.02rem;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }

    .faq-toggle-icon {
      font-size: 1.3rem;
      font-weight: 300;
      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 0.35s ease, padding 0.35s ease;
      background: #fffafa;
      color: var(--text-sub);
      font-size: 0.94rem;
      line-height: 1.75;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 24px 22px;
      border-top: 1px solid #fecdd3;
    }

    /* 资讯与百科 */
    .articles-wrap {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 28px;
    }

    .article-links-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .article-links-box h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--accent-deep);
      margin-bottom: 16px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--border-color);
    }

    .art-link-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .art-link-list a {
      color: var(--text-main);
      font-size: 0.94rem;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .art-link-list a:hover {
      color: var(--primary);
      transform: translateX(4px);
    }

    /* 表单与联系我们 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      align-items: start;
    }

    .contact-info-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
    }

    .contact-item {
      display: flex;
      gap: 14px;
      margin-bottom: 20px;
    }

    .contact-icon {
      width: 40px;
      height: 40px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      flex-shrink: 0;
    }

    .contact-label {
      font-size: 0.84rem;
      color: var(--text-light);
      font-weight: 600;
    }

    .contact-val {
      font-size: 0.98rem;
      color: var(--text-main);
      font-weight: 700;
    }

    .qr-box {
      margin-top: 24px;
      padding-top: 20px;
      border-top: 1px solid #fecdd3;
      text-align: center;
    }

    .qr-img-wrap {
      width: 140px;
      height: 140px;
      margin: 12px auto;
      border: 1px solid var(--border-color);
      padding: 6px;
      background: #ffffff;
      border-radius: var(--radius-sm);
    }

    .form-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

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

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-input,
    .form-select,
    .form-textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #ffffff;
      transition: var(--transition);
    }

    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.15);
    }

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

    /* 招商加盟 */
    .partner-banner {
      background: linear-gradient(135deg, var(--accent-deep) 0%, var(--primary) 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 48px 36px;
      text-align: center;
      box-shadow: var(--shadow-lg);
    }

    .partner-banner h2 {
      font-size: 2.2rem;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .partner-banner p {
      font-size: 1.05rem;
      max-width: 700px;
      margin: 0 auto 30px;
      opacity: 0.95;
    }

    /* 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-sub);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 36px;
    }

    .footer-brand h4 {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--accent-deep);
      margin-bottom: 12px;
    }

    .footer-col h5 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }

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

    .footer-links-list a {
      font-size: 0.9rem;
      color: var(--text-sub);
    }

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

    .friend-links-box {
      border-top: 1px solid #fecdd3;
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friend-links-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

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

    .friend-links-flex a {
      font-size: 0.85rem;
      color: var(--text-sub);
      background: var(--primary-light);
      padding: 4px 12px;
      border-radius: var(--radius-sm);
    }

    .friend-links-flex a:hover {
      background: var(--primary);
      color: #ffffff;
    }

    .footer-bottom {
      border-top: 1px solid #f1f5f9;
      padding-top: 20px;
      text-align: center;
      font-size: 0.84rem;
      color: var(--text-light);
    }

    /* 浮动工具栏 */
    .float-tools {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 990;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      color: var(--primary);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 1.2rem;
      transition: var(--transition);
    }

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

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .services-grid,
      .case-grid,
      .review-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .matrix-grid,
      .process-grid,
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .intro-grid,
      .articles-wrap,
      .contact-grid,
      .footer-top {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-toggle {
        display: block;
      }
      .nav-links {
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
        display: none;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        width: 100%;
        padding: 12px 16px;
      }
      .services-grid,
      .case-grid,
      .review-grid,
      .matrix-grid,
      .process-grid,
      .hero-stats-grid {
        grid-template-columns: 1fr;
      }
      .hero-section {
        padding: 40px 0;
      }
      .section-py {
        padding: 48px 0;
      }
      .section-title {
        font-size: 1.7rem;
      }
      .eval-overview-box {
        flex-direction: column;
        align-items: flex-start;
      }
    }