/* roulang page: index */
:root {
      --primary: #0F5B5C;
      --primary-dark: #0A4D4E;
      --primary-light: #E6F4F4;
      --accent: #10B981;
      --accent-warm: #F97316;
      --bg-main: #F8FAFC;
      --bg-alt: #F1F5F9;
      --bg-dark: #0B1320;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --border-dark: #1E293B;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --max-width: 1280px;
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      text-size-adjust: 100%;
    }

    body {
      font-family: var(--font-sans);
      background-color: var(--bg-main);
      color: var(--text-body);
      line-height: 1.68;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s ease;
    }

    button, input, select, textarea {
      font: inherit;
      color: inherit;
    }

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

    .section {
      padding-top: 88px;
      padding-bottom: 88px;
      position: relative;
    }

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

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

    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 56px auto;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      padding: 6px 16px;
      background-color: var(--primary-light);
      color: var(--primary);
      border-radius: 9999px;
      font-size: 0.875rem;
      font-weight: 600;
      margin-bottom: 16px;
      letter-spacing: 0.02em;
    }

    .section-tag-dark {
      background-color: rgba(16, 185, 129, 0.15);
      color: #34D399;
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      letter-spacing: -0.01em;
      margin-bottom: 16px;
    }

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

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.75;
    }

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

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: var(--radius-md);
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      border: 1px solid transparent;
      min-height: 48px;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 4px 12px rgba(15, 91, 92, 0.25);
    }

    .btn-primary:hover {
      background-color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(15, 91, 92, 0.35);
    }

    .btn-secondary {
      background-color: #FFFFFF;
      color: var(--primary);
      border-color: var(--border-color);
    }

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

    .btn-accent {
      background-color: var(--accent-warm);
      color: #FFFFFF;
      box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
    }

    .btn-accent:hover {
      background-color: #EA580C;
      transform: translateY(-2px);
    }

    /* 顶部双行导航 */
    .header-wrapper {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: #FFFFFF;
      box-shadow: var(--shadow-sm);
    }

    .topbar {
      background-color: var(--bg-alt);
      border-bottom: 1px solid var(--border-color);
      font-size: 0.825rem;
      color: var(--text-muted);
      height: 38px;
      display: flex;
      align-items: center;
    }

    .topbar-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }

    .topbar-left, .topbar-right {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .topbar-badge {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--accent);
      margin-right: 6px;
    }

    .navbar {
      height: 72px;
      display: flex;
      align-items: center;
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }

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

    .brand-symbol {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFFFFF;
      font-weight: 900;
      font-size: 1.2rem;
    }

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

    .nav-link {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-body);
      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: width 0.2s ease;
    }

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

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      color: var(--text-main);
    }

    /* 板块 1: Hero 首屏（裂变邀请与临床试用驱动） */
    .hero-section {
      background: linear-gradient(180deg, #F0FDF4 0%, #F8FAFC 100%);
      padding-top: 60px;
      padding-bottom: 72px;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }

    .hero-badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background-color: rgba(16, 185, 129, 0.12);
      color: #047857;
      border-radius: 9999px;
      font-size: 0.875rem;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.2;
      margin-bottom: 20px;
      letter-spacing: -0.02em;
    }

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

    .hero-subtitle {
      font-size: 1.1rem;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 32px;
      max-width: 640px;
    }

    .referral-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-md);
      margin-bottom: 32px;
    }

    .referral-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 12px;
    }

    .referral-header h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .referral-tag {
      font-size: 0.8rem;
      background-color: var(--accent-warm);
      color: #FFFFFF;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    .progress-bar-wrap {
      width: 100%;
      height: 10px;
      background-color: var(--bg-alt);
      border-radius: 9999px;
      overflow: hidden;
      margin: 12px 0;
    }

    .progress-bar-fill {
      height: 100%;
      width: 78%;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      border-radius: 9999px;
    }

    .progress-desc {
      display: flex;
      justify-content: space-between;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .hero-cta-group {
      display: flex;
      gap: 16px;
      align-items: center;
    }

    .hero-visual {
      position: relative;
    }

    .hero-image-wrap {
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 4px solid #FFFFFF;
      position: relative;
    }

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

    .floating-stats-tag {
      position: absolute;
      bottom: 24px;
      left: 24px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(8px);
      color: #FFFFFF;
      padding: 16px 20px;
      border-radius: var(--radius-md);
      display: flex;
      gap: 20px;
      box-shadow: var(--shadow-md);
    }

    .floating-stat-item h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--accent);
    }

    .floating-stat-item p {
      font-size: 0.75rem;
      color: #CBD5E1;
    }

    /* 板块 2: 卖点三连 (三大核心支撑) */
    .pillar-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }

    .pillar-card {
      background-color: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      transition: all 0.3s ease;
      position: relative;
    }

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

    .pillar-icon-box {
      width: 56px;
      height: 56px;
      background-color: var(--primary-light);
      color: var(--primary);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 24px;
      font-weight: 800;
    }

    .pillar-card h3 {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .pillar-card p {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 板块 3: 入口矩阵 (多终端多场景康复机器人矩阵) */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .matrix-card {
      background-color: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .matrix-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--accent);
    }

    .matrix-thumb {
      height: 180px;
      overflow: hidden;
    }

    .matrix-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

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

    .matrix-content {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .matrix-dept {
      font-size: 0.75rem;
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 6px;
      text-transform: uppercase;
    }

    .matrix-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .matrix-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .matrix-btn {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块 4: 最新发布设备选型卡片 */
    .releases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }

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

    .release-img-box {
      height: 240px;
      position: relative;
    }

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

    .release-tag-pos {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(15, 91, 92, 0.9);
      color: #FFFFFF;
      padding: 4px 12px;
      border-radius: 9999px;
      font-size: 0.78rem;
      font-weight: 600;
    }

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

    .release-name {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .release-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-bottom: 16px;
    }

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

    .specs-list {
      list-style: none;
      margin-bottom: 24px;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
      flex-grow: 1;
    }

    .specs-item {
      display: flex;
      justify-content: space-between;
      font-size: 0.88rem;
      padding: 6px 0;
      border-bottom: 1px solid var(--bg-alt);
    }

    .specs-label {
      color: var(--text-muted);
    }

    .specs-value {
      font-weight: 600;
      color: var(--text-main);
    }

    /* 板块 5: 热门临床专题探讨与神经重塑理论 (深色) */
    .theory-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .glass-card {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(12px);
      border-radius: var(--radius-lg);
      padding: 32px;
      margin-bottom: 24px;
    }

    .glass-card h4 {
      font-size: 1.25rem;
      font-weight: 700;
      color: #38BDF8;
      margin-bottom: 12px;
    }

    .glass-card p {
      font-size: 0.95rem;
      color: #94A3B8;
      line-height: 1.7;
    }

    .theory-diagram {
      background: rgba(15, 23, 42, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-xl);
      padding: 40px;
    }

    .flow-step {
      display: flex;
      gap: 20px;
      margin-bottom: 28px;
      position: relative;
    }

    .flow-step:last-child {
      margin-bottom: 0;
    }

    .flow-step:not(:last-child)::after {
      content: "";
      position: absolute;
      top: 40px;
      left: 19px;
      width: 2px;
      height: 36px;
      background: rgba(16, 185, 129, 0.3);
    }

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

    .flow-info h5 {
      font-size: 1.1rem;
      color: #FFFFFF;
      margin-bottom: 6px;
    }

    .flow-info p {
      font-size: 0.88rem;
      color: #94A3B8;
    }

    /* 板块 6: 康复学术与前沿临床资讯列表 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }

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

    .news-thumb {
      height: 200px;
    }

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

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

    .news-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 12px;
    }

    .news-category {
      color: var(--primary);
      font-weight: 700;
    }

    .news-headline {
      font-size: 1.2rem;
      font-weight: 750;
      color: var(--text-main);
      line-height: 1.45;
      margin-bottom: 12px;
    }

    .news-excerpt {
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    /* 板块 7: 多维度临床核心指标看板 */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .metric-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .metric-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 48px;
      height: 4px;
      background-color: var(--primary);
      border-radius: 0 0 4px 4px;
    }

    .metric-val {
      font-size: 2.75rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 12px;
      font-feature-settings: "tnum";
    }

    .metric-unit {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--text-muted);
      margin-left: 2px;
    }

    .metric-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

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

    /* 板块 8: 临床真实对照数据与对比结果验证 */
    .compare-container {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }

    .compare-header {
      display: grid;
      grid-template-columns: 2fr 3fr 3fr;
      background-color: var(--bg-alt);
      padding: 20px 32px;
      font-weight: 700;
      color: var(--text-main);
      border-bottom: 1px solid var(--border-color);
      font-size: 1rem;
    }

    .compare-row {
      display: grid;
      grid-template-columns: 2fr 3fr 3fr;
      padding: 22px 32px;
      border-bottom: 1px solid var(--border-color);
      align-items: center;
      font-size: 0.95rem;
    }

    .compare-row:last-child {
      border-bottom: none;
    }

    .compare-row:hover {
      background-color: #F8FAFC;
    }

    .compare-metric-name {
      font-weight: 700;
      color: var(--text-main);
    }

    .compare-traditional {
      color: var(--text-muted);
      padding-right: 20px;
    }

    .compare-robot {
      color: var(--primary);
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .compare-tag {
      background-color: #DCFCE7;
      color: #166534;
      font-size: 0.75rem;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 700;
    }

    /* 板块 9: 康复里程碑时间线 */
    .timeline-wrap {
      max-width: 900px;
      margin: 0 auto;
      position: relative;
    }

    .timeline-wrap::before {
      content: "";
      position: absolute;
      left: 32px;
      top: 10px;
      bottom: 10px;
      width: 2px;
      background: var(--border-color);
    }

    .timeline-node {
      position: relative;
      padding-left: 80px;
      margin-bottom: 40px;
    }

    .timeline-node:last-child {
      margin-bottom: 0;
    }

    .timeline-dot {
      position: absolute;
      left: 21px;
      top: 4px;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--primary);
      border: 4px solid #FFFFFF;
      box-shadow: 0 0 0 2px var(--primary);
    }

    .timeline-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px 28px;
      box-shadow: var(--shadow-sm);
    }

    .timeline-phase {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 3px 10px;
      border-radius: 4px;
      margin-bottom: 8px;
    }

    .timeline-card h4 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .timeline-card p {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 板块 10: 临床专家评价与口碑卡片 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }

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

    .expert-head {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 20px;
    }

    .expert-avatar {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.2rem;
      flex-shrink: 0;
    }

    .expert-title-h5 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .expert-org {
      font-size: 0.825rem;
      color: var(--text-muted);
    }

    .testimonial-text {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.75;
      font-style: italic;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .trust-badge-row {
      display: flex;
      gap: 4px;
      color: var(--accent-warm);
      font-size: 0.9rem;
    }

    /* 板块 11: 医疗合规与平台保障体系 */
    .compliance-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .compliance-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .compliance-icon {
      width: 52px;
      height: 52px;
      margin: 0 auto 18px auto;
      border-radius: 50%;
      background: #DCFCE7;
      color: #15803D;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      font-weight: 800;
    }

    .compliance-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .compliance-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 12: 临床与采购快速解答 FAQ */
    .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: border-color 0.2s ease;
    }

    .faq-item[open] {
      border-color: var(--primary);
    }

    .faq-summary {
      padding: 22px 28px;
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      list-style: none;
      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: transform 0.2s ease;
    }

    .faq-item[open] .faq-summary::after {
      content: "−";
    }

    .faq-content {
      padding: 0 28px 24px 28px;
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.75;
      border-top: 1px solid var(--bg-alt);
      padding-top: 16px;
    }

    /* 板块 13: 示范中心落地数据统计条 */
    .stats-bar-section {
      background: linear-gradient(90deg, #0A4D4E 0%, #0F5B5C 100%);
      color: #FFFFFF;
      padding: 48px 0;
    }

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

    .stat-bar-item {
      border-right: 1px solid rgba(255, 255, 255, 0.15);
      padding: 0 16px;
    }

    .stat-bar-item:last-child {
      border-right: none;
    }

    .stat-bar-number {
      font-size: 2.5rem;
      font-weight: 900;
      color: #34D399;
      line-height: 1;
      margin-bottom: 8px;
      font-feature-settings: "tnum";
    }

    .stat-bar-title {
      font-size: 0.95rem;
      color: #E2E8F0;
      font-weight: 600;
    }

    /* 板块 14: 底部高转化临床试用预约表单 */
    .cta-card-wrap {
      background: linear-gradient(135deg, #0B1320 0%, #1E293B 100%);
      border-radius: var(--radius-xl);
      padding: 56px 48px;
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .cta-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 48px;
      align-items: center;
    }

    .cta-info h3 {
      font-size: 2.2rem;
      font-weight: 800;
      color: #FFFFFF;
      line-height: 1.3;
      margin-bottom: 20px;
    }

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

    .cta-commitments {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 0.9rem;
      color: #E2E8F0;
    }

    .cta-commitments li {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .cta-check-dot {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background-color: var(--accent);
      color: #064E3B;
      font-size: 0.75rem;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
    }

    .cta-form {
      background-color: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

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

    .form-group {
      margin-bottom: 16px;
    }

    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      background-color: #FFFFFF;
      color: var(--text-main);
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
      min-height: 44px;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(15, 91, 92, 0.15);
    }

    .form-textarea {
      height: 90px;
      resize: vertical;
    }

    .form-privacy-note {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-top: 12px;
      text-align: center;
    }

    /* 全局页脚 */
    .site-footer {
      background-color: #0B1320;
      color: #94A3B8;
      padding-top: 80px;
      padding-bottom: 40px;
      border-top: 1px solid #1E293B;
      font-size: 0.92rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 48px;
      margin-bottom: 64px;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.35rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
    }

    .footer-desc {
      line-height: 1.7;
      margin-bottom: 24px;
      font-size: 0.9rem;
    }

    .footer-heading {
      font-size: 1.05rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 20px;
    }

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

    .footer-link:hover {
      color: #FFFFFF;
    }

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

    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 32px;
      text-align: center;
      font-size: 0.825rem;
      color: #64748B;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    /* 响应式样式处理 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .hero-visual {
        order: -1;
      }
      .hero-image-wrap img {
        height: 380px;
      }
      .matrix-grid, .metrics-grid, .compliance-grid, .stats-bar-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .pillar-grid, .releases-grid, .news-grid, .testimonials-grid {
        grid-template-columns: 1fr;
      }
      .theory-box, .cta-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .topbar {
        display: none;
      }
      .nav-menu {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .section {
        padding-top: 56px;
        padding-bottom: 56px;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .form-group-grid {
        grid-template-columns: 1fr;
      }
      .cta-card-wrap {
        padding: 32px 20px;
      }
      .compare-header, .compare-row {
        grid-template-columns: 1.5fr 2fr 2fr;
        padding: 16px;
        font-size: 0.85rem;
      }
      .stat-bar-item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        padding-bottom: 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
    }

    @media (max-width: 520px) {
      .matrix-grid, .metrics-grid, .compliance-grid, .stats-bar-grid {
        grid-template-columns: 1fr;
      }
      .hero-cta-group {
        flex-direction: column;
        width: 100%;
      }
      .hero-cta-group .btn {
        width: 100%;
      }
      .floating-stats-tag {
        position: static;
        margin-top: 16px;
        flex-direction: column;
        gap: 8px;
      }
    }