/* roulang page: index */
:root {
      --primary: #1A5336;
      --primary-light: #256d47;
      --accent: #22C55E;
      --accent-warm: #EAB308;
      --dark-bg: #0F1E17;
      --card-bg: #ffffff;
      --light-bg: #F8FAF9;
      --text-main: #1C2D24;
      --text-muted: #597163;
      --border-color: rgba(26, 83, 54, 0.1);
      --shadow-sm: 0 4px 12px rgba(15, 30, 23, 0.04);
      --shadow-md: 0 8px 24px -4px rgba(15, 30, 23, 0.06);
      --shadow-lg: 0 16px 36px -6px rgba(15, 30, 23, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      color: var(--text-main);
      background-color: var(--light-bg);
      -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: 0 auto;
      padding: 0 24px;
    }

    /* 顶部导航与状态条 */
    .top-bar {
      background: var(--dark-bg);
      color: #9ab3a4;
      font-size: 0.825rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 8px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-links {
      display: flex;
      gap: 20px;
    }
    .top-links a:hover {
      color: var(--accent);
    }

    .main-nav {
      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);
      transition: var(--transition);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .brand-icon {
      width: 38px;
      height: 38px;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      font-size: 1.1rem;
      font-weight: 800;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }
    .nav-menu a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      padding: 8px 0;
      position: relative;
    }
    .nav-menu a:hover, .nav-menu a.active {
      color: var(--primary);
    }
    .nav-menu a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent);
      transition: var(--transition);
    }
    .nav-menu a:hover::after, .nav-menu a.active::after {
      width: 100%;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      min-height: 46px;
      transition: var(--transition);
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
    }
    .btn-primary:hover {
      background: var(--primary-light);
      box-shadow: 0 4px 16px rgba(26, 83, 54, 0.25);
    }
    .btn-accent {
      background: var(--accent);
      color: var(--dark-bg);
      border-color: var(--accent);
    }
    .btn-accent:hover {
      background: #1eb355;
      color: #fff;
    }
    .btn-outline {
      background: transparent;
      border-color: var(--primary);
      color: var(--primary);
    }
    .btn-outline:hover {
      background: var(--primary);
      color: #fff;
    }
    .btn-outline-white {
      background: transparent;
      border-color: rgba(255, 255, 255, 0.4);
      color: #ffffff;
    }
    .btn-outline-white:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #ffffff;
    }

    /* 标签与徽章 */
    .badge {
      display: inline-block;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.785rem;
      font-weight: 600;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }
    .badge-primary {
      background: rgba(26, 83, 54, 0.1);
      color: var(--primary);
    }
    .badge-accent {
      background: rgba(34, 197, 94, 0.15);
      color: #12823b;
    }

    /* 通用板块样式 */
    section {
      padding: 96px 0;
      position: relative;
    }
    .section-alt {
      background-color: #ffffff;
    }
    .section-dark {
      background-color: var(--dark-bg);
      color: #ffffff;
    }
    .section-header {
      margin-bottom: 56px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-title {
      font-size: 2.25rem;
      line-height: 1.35;
      color: var(--text-main);
      margin-top: 12px;
      margin-bottom: 16px;
      font-weight: 700;
    }
    .section-dark .section-title {
      color: #ffffff;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.8;
    }
    .section-dark .section-desc {
      color: #a3b9ad;
    }

    /* 蓝图专属：Hero 路线图预告与版本节点条 */
    .hero-section {
      padding: 90px 0 100px;
      background: radial-gradient(circle at 80% 20%, rgba(34, 197, 94, 0.08) 0%, transparent 60%),
                  linear-gradient(180deg, #F8FAF9 0%, #EDF3F0 100%);
      border-bottom: 1px solid var(--border-color);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 2.75rem;
      line-height: 1.25;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 24px;
      letter-spacing: -0.5px;
    }
    .hero-lead {
      font-size: 1.1rem;
      line-height: 1.85;
      color: var(--text-muted);
      margin-bottom: 36px;
    }
    .hero-btns {
      display: flex;
      gap: 16px;
      margin-bottom: 40px;
    }
    .hero-visual {
      position: relative;
    }
    .hero-visual-card {
      background: #fff;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
    }
    .hero-visual-card img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .hero-visual-overlay {
      padding: 24px;
      background: #ffffff;
      border-top: 1px solid var(--border-color);
    }
    
    /* 路线图预告节点条 */
    .roadmap-timeline-bar {
      margin-top: 48px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 32px;
      box-shadow: var(--shadow-sm);
    }
    .roadmap-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 24px;
    }
    .roadmap-nodes {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .roadmap-node-item {
      position: relative;
      padding-top: 18px;
    }
    .roadmap-node-item::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: #d8e5df;
    }
    .roadmap-node-item.active::before {
      background: var(--accent);
    }
    .roadmap-node-item.upcoming::before {
      background: var(--accent-warm);
    }
    .roadmap-node-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 4px;
    }
    .roadmap-node-title {
      font-size: 0.95rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-main);
    }
    .roadmap-node-desc {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块 2：KPI 数据仪表盘 */
    .kpi-section {
      padding: 48px 0;
      background: var(--dark-bg);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .kpi-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
    }
    .kpi-card {
      padding: 24px;
      border-left: 2px solid rgba(34, 197, 94, 0.4);
      background: rgba(255, 255, 255, 0.02);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }
    .kpi-value {
      font-size: 3rem;
      font-weight: 800;
      color: var(--accent);
      line-height: 1;
      margin-bottom: 8px;
      letter-spacing: -1px;
    }
    .kpi-value span {
      font-size: 1.25rem;
      font-weight: 500;
      color: #9ab3a4;
      margin-left: 4px;
    }
    .kpi-title {
      font-size: 1.05rem;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 6px;
    }
    .kpi-desc {
      font-size: 0.825rem;
      color: #93aba0;
      line-height: 1.6;
    }

    /* 板块 3：服务矩阵 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px 30px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .service-card:hover {
      transform: translateY(-4px);
      border-color: var(--accent);
      box-shadow: var(--shadow-md);
    }
    .service-icon {
      width: 54px;
      height: 54px;
      border-radius: 12px;
      background: rgba(26, 83, 54, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 24px;
    }
    .service-card h3 {
      font-size: 1.25rem;
      margin-bottom: 12px;
      color: var(--primary);
    }
    .service-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .service-tag {
      font-size: 0.75rem;
      background: var(--light-bg);
      border: 1px solid var(--border-color);
      padding: 3px 8px;
      border-radius: 4px;
      color: var(--text-muted);
    }

    /* 板块 4：结果对比（前后效能对比） */
    .comparison-wrapper {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .comparison-header {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr;
      padding: 24px 32px;
      background: #F1F6F3;
      font-weight: 700;
      color: var(--primary);
      font-size: 1.05rem;
      border-bottom: 1px solid var(--border-color);
    }
    .comparison-row {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr;
      padding: 24px 32px;
      border-bottom: 1px solid var(--border-color);
      align-items: center;
    }
    .comparison-row:last-child {
      border-bottom: none;
    }
    .param-spec {
      font-weight: 600;
      color: var(--text-main);
    }
    .param-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-top: 4px;
    }
    .col-before {
      color: #7b8b83;
      font-size: 0.95rem;
    }
    .col-after {
      color: var(--primary);
      font-weight: 700;
      font-size: 1.05rem;
    }
    .badge-diff {
      display: inline-block;
      margin-left: 8px;
      font-size: 0.75rem;
      background: rgba(34, 197, 94, 0.15);
      color: #15803d;
      padding: 2px 6px;
      border-radius: 4px;
    }

    /* 板块 5：里程碑演进 */
    .milestone-container {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
    }
    .milestone-container::before {
      content: '';
      position: absolute;
      left: 50%;
      top: 0;
      bottom: 0;
      width: 2px;
      background: var(--border-color);
      transform: translateX(-50%);
    }
    .milestone-item {
      display: flex;
      margin-bottom: 40px;
      position: relative;
    }
    .milestone-item:nth-child(odd) {
      flex-direction: row-reverse;
    }
    .milestone-dot {
      width: 18px;
      height: 18px;
      background: var(--accent);
      border: 4px solid #ffffff;
      border-radius: 50%;
      box-shadow: 0 0 0 2px var(--primary);
      position: absolute;
      left: 50%;
      top: 18px;
      transform: translateX(-50%);
      z-index: 2;
    }
    .milestone-box {
      width: 45%;
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .milestone-date {
      font-weight: 700;
      color: var(--primary);
      font-size: 0.9rem;
      margin-bottom: 6px;
    }
    .milestone-box h4 {
      font-size: 1.1rem;
      margin-bottom: 8px;
    }
    .milestone-box p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 6：生物发酵工程全流程系统解析 (左右非对称) */
    .sys-intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .sys-intro-img {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      position: relative;
    }
    .sys-intro-img img {
      width: 100%;
      height: 480px;
      object-fit: cover;
    }
    .sys-spec-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 28px;
    }
    .sys-spec-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 16px;
      border-radius: var(--radius-sm);
    }
    .sys-spec-card strong {
      display: block;
      color: var(--primary);
      font-size: 1rem;
      margin-bottom: 4px;
    }
    .sys-spec-card span {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.4;
    }

    /* 板块 7：发酵核心技术优势 (3x2 网格) */
    .strength-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .strength-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition);
    }
    .strength-card:hover {
      transform: translateY(-4px);
      border-color: var(--accent);
      box-shadow: var(--shadow-md);
    }
    .strength-stamp {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary-light);
      background: rgba(26, 83, 54, 0.06);
      display: inline-block;
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 12px;
    }
    .strength-card h4 {
      font-size: 1.15rem;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .strength-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块 8：核心产物与菌种产品 (3大卡片) */
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .product-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .product-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }
    .product-card img {
      width: 100%;
      height: 240px;
      object-fit: cover;
    }
    .product-body {
      padding: 28px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .product-body h3 {
      font-size: 1.3rem;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .product-specs {
      list-style: none;
      margin: 16px 0 24px;
      font-size: 0.875rem;
      color: var(--text-muted);
    }
    .product-specs li {
      padding: 6px 0;
      border-bottom: 1px dashed rgba(26, 83, 54, 0.1);
      display: flex;
      justify-content: space-between;
    }
    .product-specs li span:last-child {
      font-weight: 600;
      color: var(--text-main);
    }

    /* 板块 9：深色工业级案例深度解析 */
    .case-panel {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-lg);
      padding: 48px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }
    .case-content h3 {
      font-size: 1.85rem;
      line-height: 1.35;
      color: #ffffff;
      margin-bottom: 20px;
    }
    .case-content p {
      color: #a7beb3;
      font-size: 0.975rem;
      line-height: 1.8;
      margin-bottom: 28px;
    }
    .case-data-badges {
      display: flex;
      gap: 20px;
    }
    .case-data-pill {
      background: rgba(34, 197, 94, 0.1);
      border: 1px solid rgba(34, 197, 94, 0.3);
      padding: 12px 20px;
      border-radius: var(--radius-sm);
    }
    .case-data-pill strong {
      display: block;
      font-size: 1.6rem;
      color: var(--accent);
      font-weight: 700;
      line-height: 1;
    }
    .case-data-pill span {
      font-size: 0.8rem;
      color: #d1e2da;
    }
    .case-visual img {
      border-radius: var(--radius-md);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
      width: 100%;
      height: 360px;
      object-fit: cover;
    }

    /* 板块 10：资讯与工程技术白皮书 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .news-card img {
      height: 200px;
      width: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .news-body h3 {
      font-size: 1.15rem;
      margin-bottom: 12px;
      line-height: 1.45;
      color: var(--text-main);
    }
    .news-body p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .news-link {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 板块 11：平台安全与工程保障体系 */
    .assurance-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .assurance-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      text-align: center;
    }
    .assurance-badge {
      width: 48px;
      height: 48px;
      margin: 0 auto 16px;
      background: rgba(34, 197, 94, 0.1);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      font-weight: 700;
    }
    .assurance-card h3 {
      font-size: 1.1rem;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .assurance-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 12：快速解答 FAQ 手风琴 */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item[open] {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }
    .faq-summary {
      padding: 20px 24px;
      font-weight: 600;
      font-size: 1.05rem;
      color: var(--text-main);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-summary::-webkit-details-marker {
      display: none;
    }
    .faq-summary::after {
      content: '+';
      font-size: 1.4rem;
      font-weight: 400;
      color: var(--primary);
      transition: var(--transition);
    }
    .faq-item[open] .faq-summary::after {
      content: '−';
      transform: rotate(180deg);
    }
    .faq-content {
      padding: 0 24px 20px;
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.8;
      border-top: 1px solid rgba(26, 83, 54, 0.05);
      padding-top: 16px;
    }

    /* 合作转化收口 */
    .cta-banner {
      background: linear-gradient(135deg, var(--dark-bg) 0%, #153225 100%);
      border-radius: var(--radius-lg);
      padding: 64px 48px;
      color: #ffffff;
      text-align: center;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.1);
      box-shadow: var(--shadow-lg);
    }
    .cta-banner h2 {
      font-size: 2.2rem;
      margin-bottom: 16px;
      color: #ffffff;
    }
    .cta-banner p {
      max-width: 680px;
      margin: 0 auto 36px;
      font-size: 1.05rem;
      color: #bbd3c7;
      line-height: 1.8;
    }
    .cta-actions {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
    }

    /* 页脚 */
    footer {
      background: #08120d;
      color: #8fa599;
      padding: 80px 0 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.875rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 64px;
    }
    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.25rem;
      margin-bottom: 16px;
      font-weight: 700;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 20px;
      color: #7d9689;
    }
    .footer-col h5 {
      color: #ffffff;
      font-size: 1rem;
      margin-bottom: 20px;
      font-weight: 600;
    }
    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-col a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      padding-top: 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8rem;
    }

    /* 移动端与自适应断点 */
    @media (max-width: 1024px) {
      .hero-grid, .sys-intro-grid, .case-panel {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .kpi-grid, .assurance-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .service-grid, .strength-grid, .product-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .roadmap-nodes {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-menu {
        display: none;
      }
      .hero-content h1 {
        font-size: 2rem;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .service-grid, .strength-grid, .product-grid, .news-grid, .kpi-grid, .assurance-grid, .roadmap-nodes {
        grid-template-columns: 1fr;
      }
      .milestone-container::before {
        left: 20px;
      }
      .milestone-item {
        flex-direction: column !important;
        padding-left: 48px;
      }
      .milestone-dot {
        left: 20px;
        top: 0;
      }
      .milestone-box {
        width: 100%;
      }
      .comparison-header, .comparison-row {
        grid-template-columns: 1fr 1fr;
      }
      .comparison-header span:first-child, .comparison-row div:first-child {
        grid-column: span 2;
        margin-bottom: 8px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
      }
    }