/* roulang page: index */
:root {
      --primary: #1A66FF;
      --primary-hover: #0F52D6;
      --accent: #00B8A9;
      --accent-soft: #E6F8F6;
      --dark-variant: #0C192C;
      --dark-surface: #13243D;
      --bg-main: #FFFFFF;
      --bg-alt: #F6F9FC;
      --bg-subtle: #EEF4FA;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --border-focus: #94B8FF;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --shadow-sm: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 16px 32px -4px rgba(26, 102, 255, 0.12);
      --shadow-lg: 0 20px 40px -8px rgba(12, 25, 44, 0.16);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --container-max: 1240px;
    }

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

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

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
      background-color: var(--bg-main);
      color: var(--text-body);
      line-height: 1.68;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    button, input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
    }

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部双行导航体系 */
    .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);
      box-shadow: 0 2px 12px rgba(15, 23, 42, 0.03);
    }

    .top-subbar {
      background: #F8FAFC;
      border-bottom: 1px solid #EEF2F6;
      font-size: 0.8125rem;
      color: var(--text-muted);
      padding: 6px 0;
    }

    .top-subbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .subbar-meta {
      display: flex;
      gap: 20px;
      align-items: center;
    }

    .subbar-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--accent);
      font-weight: 600;
    }

    .subbar-badge::before {
      content: "";
      width: 7px;
      height: 7px;
      background: var(--accent);
      border-radius: 50%;
      display: inline-block;
    }

    .main-navbar {
      padding: 14px 0;
    }

    .main-navbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.02em;
    }

    .brand-logo-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--primary) 0%, #00B8A9 100%);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 1.15rem;
      box-shadow: 0 4px 10px rgba(26, 102, 255, 0.25);
    }

    .brand-logo-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }

    .brand-logo-sub {
      font-size: 0.72rem;
      color: var(--text-muted);
      font-weight: 500;
      letter-spacing: 0.05em;
    }

    .nav-links {
      display: flex;
      list-style: none;
      gap: 24px;
      align-items: center;
    }

    .nav-links li a {
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--text-body);
      padding: 8px 4px;
      position: relative;
    }

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

    .nav-links li a::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: width 0.2s ease;
    }

    .nav-links li a:hover::after {
      width: 100%;
    }

    .nav-cta-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      background-color: var(--primary);
      color: #FFFFFF;
      font-size: 0.9rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid var(--primary);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(26, 102, 255, 0.2);
    }

    .nav-cta-btn:hover {
      background-color: var(--primary-hover);
      transform: translateY(-1px);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 8px;
    }

    /* 通用板块与排版系统 */
    .section-wrap {
      padding: 96px 0;
      position: relative;
    }

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

    .section-bg-dark {
      background-color: var(--dark-variant);
      color: #E2E8F0;
    }

    .section-header {
      margin-bottom: 56px;
      max-width: 820px;
    }

    .section-header.text-center {
      text-align: center;
      margin-left: auto;
      margin-right: auto;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.8125rem;
      font-weight: 700;
      color: var(--primary);
      background: rgba(26, 102, 255, 0.08);
      border-radius: 30px;
      margin-bottom: 14px;
      letter-spacing: 0.04em;
    }

    .section-tag.light {
      background: rgba(0, 184, 169, 0.15);
      color: #00E5D4;
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      line-height: 1.3;
      color: var(--text-main);
      letter-spacing: -0.02em;
      margin-bottom: 16px;
    }

    .section-bg-dark .section-title {
      color: #FFFFFF;
    }

    .section-desc {
      font-size: 1.0625rem;
      color: var(--text-muted);
      line-height: 1.75;
    }

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

    /* 按钮通用 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 13px 28px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      text-align: center;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 8px 20px -4px rgba(26, 102, 255, 0.35);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 12px 26px -4px rgba(26, 102, 255, 0.45);
    }

    .btn-outline {
      background-color: #FFFFFF;
      color: var(--text-main);
      border-color: var(--border-color);
    }

    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background-color: rgba(26, 102, 255, 0.04);
    }

    .btn-dark {
      background-color: #00B8A9;
      color: #0C192C;
      font-weight: 700;
    }

    .btn-dark:hover {
      background-color: #00E5D4;
      transform: translateY(-2px);
    }

    /* 1. 首屏 Banner 区 (Hero Section - 旗舰结构) */
    .hero-section {
      position: relative;
      background: linear-gradient(175deg, #F0F6FF 0%, #FFFFFF 65%);
      padding: 72px 0 96px;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }

    .hero-h1 {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1.22;
      color: var(--text-main);
      letter-spacing: -0.03em;
      margin-bottom: 22px;
    }

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

    .hero-summary {
      font-size: 1.125rem;
      line-height: 1.8;
      color: var(--text-body);
      margin-bottom: 32px;
    }

    .hero-specs-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 36px;
    }

    .spec-pill {
      background: #FFFFFF;
      border: 1px solid #D6E4F8;
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 6px;
      box-shadow: 0 2px 6px rgba(26, 102, 255, 0.05);
    }

    .hero-cta-group {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .hero-stage-card {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      background: #FFFFFF;
      border: 1px solid var(--border-color);
    }

    .hero-stage-img {
      width: 100%;
      height: 480px;
      object-fit: cover;
    }

    .hero-float-badge {
      position: absolute;
      bottom: 24px;
      left: 24px;
      right: 24px;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(8px);
      padding: 18px 22px;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 25px rgba(15, 23, 42, 0.1);
      display: flex;
      justify-content: space-between;
      align-items: center;
      border: 1px solid rgba(255, 255, 255, 0.8);
    }

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

    .float-desc {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    .float-status {
      background: var(--accent-soft);
      color: var(--accent);
      padding: 6px 12px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 700;
    }

    /* 2. 数据指标看板区 (Metrics Dashboard) */
    .metrics-section {
      background: #FFFFFF;
      padding: 48px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 28px;
    }

    .metric-card {
      padding: 24px;
      background: var(--bg-alt);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }

    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--border-focus);
    }

    .metric-number {
      font-size: 2.25rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 8px;
      letter-spacing: -0.02em;
    }

    .metric-number small {
      font-size: 1.125rem;
      font-weight: 600;
      margin-left: 2px;
    }

    .metric-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .metric-note {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 3. 核心技术平台与解构 (Tech Overview) */
    .tech-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }

    .tech-feature-list {
      list-style: none;
      margin-top: 28px;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .tech-item {
      display: flex;
      gap: 16px;
      background: #FFFFFF;
      padding: 18px 22px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .tech-icon-box {
      width: 44px;
      height: 44px;
      background: rgba(26, 102, 255, 0.1);
      color: var(--primary);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-weight: 800;
    }

    .tech-info h4 {
      font-size: 1.05rem;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .tech-info p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    .tech-visual-frame {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
    }

    .tech-visual-frame img {
      width: 100%;
      height: 520px;
      object-fit: cover;
    }

    /* 4. 康复机器人核心优势 (Core Advantages - 6 卡片网格) */
    .advantages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .advantage-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .advantage-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }

    .adv-icon-badge {
      width: 52px;
      height: 52px;
      background: var(--bg-alt);
      border: 1px solid #D8E5F8;
      color: var(--primary);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 22px;
    }

    .advantage-card h3 {
      font-size: 1.25rem;
      color: var(--text-main);
      margin-bottom: 12px;
      font-weight: 700;
    }

    .advantage-card p {
      font-size: 0.9375rem;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .adv-spec-tag {
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--accent);
      background: var(--accent-soft);
      padding: 4px 10px;
      border-radius: 4px;
      align-self: flex-start;
    }

    /* 5. 热门硬件矩阵产品区 (Products Grid - 3 重点卡片) */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }

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

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

    .product-thumb {
      height: 250px;
      overflow: hidden;
      position: relative;
    }

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

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

    .product-badge-overlay {
      position: absolute;
      top: 16px;
      right: 16px;
      background: rgba(15, 23, 42, 0.8);
      color: #FFFFFF;
      font-size: 0.75rem;
      padding: 4px 10px;
      border-radius: 4px;
      font-weight: 600;
      letter-spacing: 0.05em;
    }

    .product-body {
      padding: 28px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .product-body h3 {
      font-size: 1.35rem;
      color: var(--text-main);
      margin-bottom: 12px;
      font-weight: 800;
    }

    .product-body p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
    }

    .product-specs-table {
      width: 100%;
      font-size: 0.85rem;
      border-collapse: collapse;
      margin-bottom: 24px;
    }

    .product-specs-table td {
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-color);
    }

    .product-specs-table td:first-child {
      color: var(--text-muted);
      width: 42%;
    }

    .product-specs-table td:last-child {
      color: var(--text-main);
      font-weight: 600;
      text-align: right;
    }

    .product-footer-action {
      margin-top: auto;
    }

    /* 6. 深色研发理念区 (Dark Tech Concept & Case) */
    .dark-concept-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }

    .dark-concept-content h2 {
      font-size: 2.3rem;
      line-height: 1.3;
      margin-bottom: 20px;
      color: #FFFFFF;
    }

    .dark-concept-content p {
      font-size: 1.05rem;
      color: #94A3B8;
      line-height: 1.8;
      margin-bottom: 28px;
    }

    .dark-pipeline-steps {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .pipeline-step {
      display: flex;
      gap: 16px;
      background: var(--dark-surface);
      padding: 18px 22px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .step-num {
      width: 32px;
      height: 32px;
      background: var(--accent);
      color: #0C192C;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .step-text h4 {
      color: #FFFFFF;
      font-size: 1rem;
      margin-bottom: 4px;
    }

    .step-text p {
      font-size: 0.875rem;
      color: #94A3B8;
      margin-bottom: 0;
      line-height: 1.5;
    }

    .dark-img-showcase {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.15);
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    }

    .dark-img-showcase img {
      width: 100%;
      height: 480px;
      object-fit: cover;
    }

    /* 7. 临床对照与康复成效对比区 (Clinical Comparison) */
    .comparison-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .compare-box {
      border-radius: var(--radius-lg);
      padding: 36px;
      position: relative;
    }

    .compare-box.traditional {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
    }

    .compare-box.robot {
      background: #FFFFFF;
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-hover);
    }

    .compare-box-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 24px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border-color);
    }

    .compare-box-header h3 {
      font-size: 1.4rem;
      color: var(--text-main);
    }

    .compare-pill {
      font-size: 0.8rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 20px;
    }

    .compare-box.traditional .compare-pill {
      background: #F1F5F9;
      color: var(--text-muted);
    }

    .compare-box.robot .compare-pill {
      background: rgba(26, 102, 255, 0.1);
      color: var(--primary);
    }

    .compare-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .compare-list li {
      display: flex;
      gap: 14px;
      font-size: 0.95rem;
      line-height: 1.6;
    }

    .compare-bullet {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-size: 0.8rem;
      font-weight: 800;
      margin-top: 2px;
    }

    .traditional .compare-bullet {
      background: #FEE2E2;
      color: #DC2626;
    }

    .robot .compare-bullet {
      background: var(--accent-soft);
      color: var(--accent);
    }

    /* 8. 康复者实证与病程记录 (User Journey & Stories) */
    .stories-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .story-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .story-meta-top {
      display: flex;
      justify-content: space-between;
      margin-bottom: 20px;
      padding-bottom: 16px;
      border-bottom: 1px solid #F1F5F9;
    }

    .story-patient-tag {
      font-weight: 700;
      color: var(--text-main);
      font-size: 1.1rem;
    }

    .story-duration-tag {
      font-size: 0.85rem;
      color: var(--primary);
      background: rgba(26, 102, 255, 0.08);
      padding: 4px 10px;
      border-radius: 4px;
      font-weight: 600;
    }

    .story-timeline-track {
      margin: 20px 0;
      display: flex;
      flex-direction: column;
      gap: 14px;
      border-left: 2px solid #E2E8F0;
      padding-left: 18px;
    }

    .timeline-node h5 {
      font-size: 0.925rem;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .timeline-node p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .story-metrics-badge {
      display: flex;
      gap: 16px;
      margin-top: auto;
      padding-top: 16px;
      background: var(--bg-alt);
      padding: 14px 18px;
      border-radius: var(--radius-sm);
    }

    .story-metric-item {
      flex: 1;
    }

    .story-metric-val {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary);
    }

    .story-metric-lbl {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* 9. 资质保障与研发里程碑 (Milestones & Authority) */
    .milestones-track {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .milestone-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .milestone-year {
      font-size: 1.5rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 8px;
      letter-spacing: -0.01em;
    }

    .milestone-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .milestone-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .cert-logos-band {
      margin-top: 48px;
      display: flex;
      justify-content: space-around;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
      padding: 24px;
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .cert-seal {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-body);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .cert-seal::before {
      content: "✔";
      color: var(--accent);
      font-weight: 900;
    }

    /* 10. 临床科室专家评价 (Clinical Reviews) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .review-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-quote {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 24px;
      font-style: normal;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid #F1F5F9;
      padding-top: 18px;
    }

    .author-avatar-badge {
      width: 44px;
      height: 44px;
      background: linear-gradient(135deg, #1A66FF, #00B8A9);
      color: #FFFFFF;
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      flex-shrink: 0;
    }

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

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

    /* 11. 康复前沿技术资讯 (News & Insights) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

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

    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--border-focus);
    }

    .news-img {
      height: 190px;
      overflow: hidden;
    }

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

    .news-content {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .news-date {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .news-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.45;
      margin-bottom: 12px;
    }

    .news-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .news-action-link {
      font-size: 0.875rem;
      font-weight: 700;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 12. 选型与应用 FAQ (Accordion 手风琴) */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      transition: var(--transition);
    }

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

    .faq-trigger {
      width: 100%;
      padding: 22px 26px;
      background: none;
      border: none;
      text-align: left;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }

    .faq-icon {
      font-size: 1.3rem;
      line-height: 1;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

    .faq-body {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
      padding: 0 26px;
      background-color: #FAFCFF;
    }

    .faq-body p {
      padding-bottom: 22px;
      font-size: 0.9375rem;
      color: var(--text-body);
      line-height: 1.7;
    }

    .faq-item.active .faq-body {
      max-height: 260px;
      padding-top: 10px;
    }

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

    /* 13. 底部咨询转化与方案申报表单 (Bottom Conversion & Form) */
    .conversion-card {
      background: linear-gradient(135deg, #0C192C 0%, #152A4A 100%);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      color: #FFFFFF;
      box-shadow: var(--shadow-lg);
    }

    .conversion-grid {
      display: grid;
      grid-template-columns: 1fr 1.05fr;
      gap: 56px;
      align-items: center;
    }

    .conversion-info h2 {
      font-size: 2.3rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
      color: #FFFFFF;
    }

    .conversion-info p {
      font-size: 1.05rem;
      color: #94A3B8;
      line-height: 1.75;
      margin-bottom: 28px;
    }

    .hotline-box {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 20px;
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .hotline-num {
      font-size: 1.5rem;
      font-weight: 800;
      color: #00E5D4;
      line-height: 1.2;
    }

    .hotline-lbl {
      font-size: 0.8rem;
      color: #94A3B8;
    }

    .conversion-form-box {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 36px 32px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    }

    .form-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 20px;
      text-align: center;
    }

    .form-grid-inputs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 16px;
    }

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

    .form-field.full {
      grid-column: span 2;
    }

    .form-label {
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--text-body);
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      color: var(--text-main);
      background-color: #F8FAFC;
      transition: var(--transition);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      background-color: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(26, 102, 255, 0.15);
    }

    .form-legal-note {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin: 14px 0 18px;
      line-height: 1.4;
      text-align: center;
    }

    .form-submit-btn {
      width: 100%;
      padding: 14px;
      background: var(--primary);
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      box-shadow: 0 6px 18px rgba(26, 102, 255, 0.3);
    }

    .form-submit-btn:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
    }

    /* 页脚 (Footer) 规范 */
    .site-footer {
      background-color: #070E1A;
      color: #94A3B8;
      font-size: 0.9rem;
      padding: 80px 0 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-main-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 48px;
      margin-bottom: 60px;
    }

    .footer-col h4 {
      color: #FFFFFF;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 22px;
      position: relative;
      display: inline-block;
    }

    .footer-col h4::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -6px;
      width: 24px;
      height: 2px;
      background: var(--primary);
    }

    .footer-about-p {
      line-height: 1.7;
      margin-bottom: 20px;
      color: #94A3B8;
    }

    .footer-contact-item {
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-bottom: 12px;
    }

    .footer-contact-item strong {
      color: #E2E8F0;
      font-size: 0.85rem;
    }

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

    .footer-nav-list li a:hover {
      color: #00E5D4;
      padding-left: 4px;
    }

    .footer-meta-block {
      line-height: 1.7;
      font-size: 0.85rem;
    }

    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.8125rem;
      color: #64748B;
    }

    .footer-copyright a {
      color: #94A3B8;
    }

    .footer-copyright a:hover {
      color: #FFFFFF;
    }

    /* 移动端与平板响应式适配 */
    @media (max-width: 1024px) {
      .hero-grid,
      .tech-grid,
      .dark-concept-wrap,
      .conversion-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }

      .hero-h1 {
        font-size: 2.4rem;
      }

      .metrics-grid,
      .advantages-grid,
      .products-grid,
      .milestones-track,
      .reviews-grid,
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .footer-main-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .section-wrap {
        padding: 56px 0;
      }

      .top-subbar {
        display: none;
      }

      .mobile-menu-toggle {
        display: block;
      }

      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 24px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        border-top: 1px solid var(--border-color);
        gap: 16px;
      }

      .nav-links.active {
        display: flex;
      }

      .nav-cta-btn {
        display: none;
      }

      .hero-h1 {
        font-size: 2rem;
      }

      .hero-stage-img,
      .tech-visual-frame img,
      .dark-img-showcase img {
        height: 320px;
      }

      .metrics-grid,
      .advantages-grid,
      .products-grid,
      .comparison-wrapper,
      .stories-grid,
      .milestones-track,
      .reviews-grid,
      .news-grid,
      .footer-main-grid {
        grid-template-columns: 1fr;
      }

      .conversion-card {
        padding: 32px 20px;
      }

      .form-grid-inputs {
        grid-template-columns: 1fr;
      }

      .form-field.full {
        grid-column: span 1;
      }
    }