/* roulang page: index */
:root {
      --primary: #185AEF;
      --primary-hover: #1044B8;
      --primary-light: #EBF2FF;
      --secondary: #00C49F;
      --accent: #F59E0B;
      --dark-navy: #0B1528;
      --dark-card: #13223E;
      --text-main: #0F172A;
      --text-regular: #334155;
      --text-muted: #64748B;
      --bg-page: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-alt: #F1F5F9;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
      --shadow-lg: 0 12px 30px -4px rgba(24, 90, 239, 0.12);
      --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: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-regular);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button, input, select, textarea {
      font-family: inherit;
    }

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .section-padding {
      padding: 96px 0;
    }

    .section-alt {
      background-color: var(--bg-alt);
    }

    .section-white {
      background-color: var(--bg-white);
    }

    .section-header {
      margin-bottom: 56px;
    }

    .section-header.text-center {
      text-align: center;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }

    .section-header.text-left {
      text-align: left;
      max-width: 760px;
    }

    .badge-sub {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background-color: var(--primary-light);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 9999px;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }

    .badge-sub::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background-color: var(--primary);
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(24, 90, 239, 0.35);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(24, 90, 239, 0.45);
    }

    .btn-secondary {
      background-color: #FFFFFF;
      color: var(--text-main);
      border-color: var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .btn-secondary:hover {
      background-color: #F8FAFC;
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
    }

    /* 顶部通告与主导航 */
    .top-bar {
      background-color: #0A1120;
      color: #94A3B8;
      font-size: 0.8rem;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .status-dot {
      display: inline-block;
      width: 7px;
      height: 7px;
      background-color: var(--secondary);
      border-radius: 50%;
      margin-right: 6px;
      box-shadow: 0 0 8px var(--secondary);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }

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

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

    .logo-symbol {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--primary) 0%, #00C49F 100%);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFF;
      font-weight: 900;
      box-shadow: 0 4px 12px rgba(24, 90, 239, 0.25);
    }

    .nav-menu {
      display: flex;
      list-style: none;
      gap: 32px;
      align-items: center;
    }

    .nav-link {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-regular);
      position: relative;
      padding: 6px 0;
    }

    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }

    .nav-link::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--primary);
      transition: var(--transition);
    }

    .nav-link:hover::after, .nav-link.active::after {
      width: 100%;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

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

    /* 板块 1: 全宽浅色顶栏 + 矮横幅 Hero (#hero) */
    .hero-strip {
      background: linear-gradient(180deg, #F0F5FF 0%, #FFFFFF 100%);
      border-bottom: 1px solid var(--border-color);
      padding: 56px 0 64px 0;
      position: relative;
      overflow: hidden;
    }

    .hero-strip::before {
      content: "";
      position: absolute;
      top: -120px;
      right: -80px;
      width: 480px;
      height: 480px;
      background: radial-gradient(circle, rgba(24, 90, 239, 0.08) 0%, transparent 70%);
      pointer-events: none;
    }

    .hero-layout {
      display: grid;
      grid-template-columns: 1.25fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .hero-h1 {
      font-size: 2.65rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-h1 span {
      color: var(--primary);
    }

    .hero-desc {
      font-size: 1.08rem;
      color: var(--text-regular);
      line-height: 1.8;
      margin-bottom: 30px;
    }

    .hero-ctas {
      display: flex;
      gap: 16px;
      margin-bottom: 32px;
      flex-wrap: wrap;
    }

    .hero-trust-bar {
      display: flex;
      gap: 24px;
      padding-top: 20px;
      border-top: 1px solid rgba(226, 232, 240, 0.8);
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .hero-trust-item {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .hero-banner-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid rgba(226, 232, 240, 0.9);
      background: #FFF;
      height: 380px;
    }

    .hero-banner-visual img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .banner-overlay-stat {
      position: absolute;
      bottom: 20px;
      left: 20px;
      right: 20px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(8px);
      padding: 16px 20px;
      border-radius: var(--radius-sm);
      color: #FFF;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    /* 板块 2: 卖点三连 (#pillars) */
    .pillar-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .pillar-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .pillar-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(24, 90, 239, 0.3);
    }

    .pillar-badge {
      display: inline-block;
      padding: 4px 10px;
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      border-radius: 6px;
      margin-bottom: 16px;
    }

    .pillar-card h3 {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .pillar-card p {
      font-size: 0.92rem;
      color: var(--text-regular);
      line-height: 1.65;
    }

    /* 板块 3: 架构与验证参数 (#architecture) */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .arch-specs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 28px;
    }

    .spec-item {
      background: #FFF;
      border: 1px solid var(--border-color);
      padding: 18px 20px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--primary);
    }

    .spec-value {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .spec-label {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    .arch-image-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      position: relative;
      border: 1px solid var(--border-color);
    }

    .arch-image-wrap img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }

    /* 板块 4: 入口矩阵 (#entries) */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .matrix-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      text-align: center;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      align-items: center;
    }

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

    .matrix-icon-box {
      width: 56px;
      height: 56px;
      border-radius: 14px;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      margin-bottom: 18px;
    }

    .matrix-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .matrix-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }

    .matrix-card .btn-text {
      color: var(--primary);
      font-weight: 600;
      font-size: 0.85rem;
      margin-top: auto;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块 5: 最新发布与硬件矩阵 (#hardware) */
    .hw-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

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

    .hw-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-3px);
    }

    .hw-thumb {
      height: 220px;
      width: 100%;
      overflow: hidden;
      position: relative;
    }

    .hw-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .hw-card:hover .hw-thumb img {
      transform: scale(1.05);
    }

    .hw-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(15, 23, 42, 0.8);
      backdrop-filter: blur(4px);
      color: #FFF;
      font-size: 0.75rem;
      padding: 4px 10px;
      border-radius: 4px;
    }

    .hw-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .hw-body h4 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .hw-body p {
      font-size: 0.9rem;
      color: var(--text-regular);
      line-height: 1.6;
      margin-bottom: 18px;
    }

    .hw-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: auto;
    }

    .hw-badge-item {
      font-size: 0.75rem;
      background: var(--bg-alt);
      padding: 3px 8px;
      border-radius: 4px;
      color: var(--text-muted);
    }

    /* 板块 6: 热门专题 - 深色沉浸式中枢 (#dark-core) */
    .dark-section {
      background-color: var(--dark-navy);
      color: #FFF;
      position: relative;
      overflow: hidden;
    }

    .dark-section::before {
      content: "";
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 1000px;
      height: 400px;
      background: radial-gradient(ellipse at top, rgba(24, 90, 239, 0.25) 0%, transparent 70%);
      pointer-events: none;
    }

    .dark-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 56px auto;
      position: relative;
      z-index: 2;
    }

    .dark-header .section-title {
      color: #FFF;
    }

    .dark-header .section-desc {
      color: #94A3B8;
    }

    .dark-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      position: relative;
      z-index: 2;
    }

    .dark-card {
      background: var(--dark-card);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      transition: var(--transition);
    }

    .dark-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    }

    .dark-card-num {
      font-size: 2rem;
      font-weight: 900;
      color: var(--secondary);
      line-height: 1;
      margin-bottom: 16px;
      opacity: 0.9;
    }

    .dark-card h4 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: #FFF;
    }

    .dark-card p {
      font-size: 0.9rem;
      color: #94A3B8;
      line-height: 1.65;
    }

    /* 板块 7: 业务流程步骤引导 (#workflow) */
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
      margin-top: 20px;
    }

    .step-item {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-num {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary);
      color: #FFF;
      font-size: 1.1rem;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      box-shadow: 0 4px 10px rgba(24, 90, 239, 0.3);
    }

    .step-item h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .step-item p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 8: 落地场景实践 (#scenarios) */
    .scenario-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .scenario-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .scenario-img-box {
      height: 260px;
      width: 100%;
      position: relative;
    }

    .scenario-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .scenario-body {
      padding: 32px;
      flex-grow: 1;
    }

    .scenario-body h3 {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .scenario-body p {
      font-size: 0.92rem;
      color: var(--text-regular);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .scenario-stats-row {
      display: flex;
      gap: 24px;
      background: var(--bg-page);
      padding: 14px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }

    .sc-stat-col strong {
      display: block;
      font-size: 1.25rem;
      color: var(--primary);
    }

    .sc-stat-col span {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    /* 板块 9: 资讯列表与洞察 (#news) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .news-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .news-meta {
      display: flex;
      justify-content: space-between;
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 14px;
    }

    .news-category {
      color: var(--primary);
      font-weight: 600;
    }

    .news-card h4 {
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.45;
    }

    .news-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .news-link {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 板块 10: 核心业务数据指标条 (#metrics) */
    .metrics-section {
      background: linear-gradient(135deg, #1044B8 0%, #185AEF 100%);
      color: #FFF;
      padding: 64px 0;
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }

    .metric-col h3 {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1.1;
      margin-bottom: 8px;
      letter-spacing: -1px;
    }

    .metric-col p {
      font-size: 1.05rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: #EBF2FF;
    }

    .metric-col span {
      font-size: 0.82rem;
      color: #BFDBFE;
      display: block;
    }

    /* 板块 11: 客户口碑反馈 (#testimonials) */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .testi-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testi-stars {
      color: var(--accent);
      font-size: 1rem;
      margin-bottom: 16px;
    }

    .testi-text {
      font-size: 0.95rem;
      color: var(--text-regular);
      line-height: 1.7;
      margin-bottom: 24px;
      font-style: italic;
    }

    .testi-author {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--border-color);
      padding-top: 18px;
    }

    .author-avatar {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
    }

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

    .author-info span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 板块 12: 线索获客与预约演示区 (#cta) */
    .cta-box {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
    }

    .cta-content {
      padding: 56px 48px;
      background: linear-gradient(135deg, #FAFCFF 0%, #F0F5FF 100%);
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .cta-form-wrap {
      padding: 56px 48px;
      background: #FFF;
    }

    .cta-form {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-input {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      outline: none;
      transition: var(--transition);
      background-color: var(--bg-page);
    }

    .form-input:focus {
      border-color: var(--primary);
      background-color: #FFF;
      box-shadow: 0 0 0 3px rgba(24, 90, 239, 0.15);
    }

    .form-privacy {
      font-size: 0.78rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 页脚 (#footer) */
    .site-footer {
      background-color: #0A1120;
      color: #94A3B8;
      padding: 72px 0 32px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.9rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 48px;
      margin-bottom: 56px;
    }

    .footer-col h4 {
      color: #FFF;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 20px;
    }

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

    .footer-links a:hover {
      color: #FFF;
    }

    .footer-about p {
      line-height: 1.7;
      margin-top: 14px;
      font-size: 0.88rem;
      color: #94A3B8;
    }

    .footer-contact-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-bottom: 12px;
      line-height: 1.5;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.8rem;
    }

    /* 移动端与自适应断点 */
    @media (max-width: 1024px) {
      .hero-layout, .arch-grid, .scenario-grid, .cta-box {
        grid-template-columns: 1fr;
      }
      .matrix-grid, .workflow-timeline, .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hw-grid, .dark-grid, .news-grid, .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-banner-visual {
        height: 300px;
      }
    }

    @media (max-width: 768px) {
      .section-padding {
        padding: 56px 0;
      }
      .hero-h1 {
        font-size: 2rem;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .pillar-grid, .matrix-grid, .hw-grid, .dark-grid, .workflow-timeline, .news-grid, .metrics-grid, .testimonial-grid, .footer-grid {
        grid-template-columns: 1fr;
      }
      .nav-menu, .nav-actions .btn-primary {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .cta-content, .cta-form-wrap {
        padding: 32px 20px;
      }
      .top-bar-inner {
        flex-direction: column;
        gap: 4px;
        text-align: center;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

    /* 移动端菜单抽屉 */
    .mobile-drawer {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background: #FFF;
      z-index: 2000;
      padding: 32px 24px;
      display: flex;
      flex-direction: column;
      transform: translateX(-100%);
      transition: transform 0.3s ease;
    }

    .mobile-drawer.open {
      transform: translateX(0);
    }

    .drawer-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 36px;
    }

    .drawer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 20px;
      font-size: 1.15rem;
      font-weight: 600;
    }