/* roulang page: index */
:root {
      --primary: #0D5C58;
      --primary-light: #127974;
      --primary-dark: #093E3C;
      --accent: #D97706;
      --accent-hover: #B45309;
      --bg-body: #F8FAFA;
      --bg-surface: #FFFFFF;
      --bg-dark: #0F1E24;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --text-inverse: #F8FAFC;
      --border: #E2E8F0;
      --border-dark: #2A3B44;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 1px 3px rgba(13, 92, 88, 0.05);
      --shadow-md: 0 4px 20px -2px rgba(13, 92, 88, 0.08);
      --shadow-lg: 0 12px 30px -4px rgba(13, 92, 88, 0.12);
      --transition: all 0.25s ease-in-out;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-body);
      color: var(--text-main);
      line-height: 1.7;
      font-size: 15px;
      -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: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部微型条与导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border);
    }

    .top-bar {
      background: var(--bg-dark);
      color: #94A3B8;
      font-size: 13px;
      padding: 6px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

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

    .top-tags span {
      display: inline-block;
      margin-right: 15px;
      color: #CBD5E1;
    }

    .top-contact a {
      color: #E2E8F0;
      margin-left: 15px;
    }

    .main-nav {
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.5px;
    }

    .brand-icon {
      width: 34px;
      height: 34px;
      background: var(--primary);
      color: #fff;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: bold;
    }

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

    .nav-links a {
      font-weight: 500;
      color: var(--text-main);
      padding: 6px 0;
      position: relative;
    }

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

    .nav-cta-btn {
      background-color: var(--primary);
      color: #FFFFFF !important;
      padding: 9px 20px !important;
      border-radius: var(--radius-sm);
      font-weight: 600;
      box-shadow: 0 2px 8px rgba(13, 92, 88, 0.2);
    }

    .nav-cta-btn:hover {
      background-color: var(--primary-light);
    }

    /* 基础区块样式 */
    section {
      padding: 80px 0;
      position: relative;
    }

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

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px auto;
    }

    .section-header h2 {
      font-size: 28px;
      color: var(--primary-dark);
      margin-bottom: 16px;
      font-weight: 700;
      line-height: 1.3;
    }

    .section-header p {
      color: var(--text-muted);
      font-size: 16px;
    }

    .badge-pill {
      display: inline-block;
      padding: 4px 12px;
      border-radius: 9999px;
      font-size: 12px;
      font-weight: 600;
      background: rgba(13, 92, 88, 0.08);
      color: var(--primary);
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    /* 1. Hero 区域 */
    .hero-section {
      padding: 70px 0 90px;
      background: linear-gradient(180deg, #F0FDFA 0%, #F8FAFA 100%);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 38px;
      line-height: 1.25;
      color: var(--primary-dark);
      margin-bottom: 20px;
      font-weight: 800;
    }

    .hero-content .hero-desc {
      font-size: 16px;
      color: var(--text-muted);
      margin-bottom: 30px;
      line-height: 1.8;
    }

    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 32px;
    }

    .hero-badge-item {
      background: #FFFFFF;
      border: 1px solid var(--border);
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 6px;
      font-weight: 500;
    }

    .hero-badge-item::before {
      content: "✓";
      color: var(--primary);
      font-weight: bold;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 26px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
    }

    .btn-primary {
      background: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(13, 92, 88, 0.25);
    }

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

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

    .btn-outline:hover {
      background: rgba(13, 92, 88, 0.04);
    }

    .hero-card-board {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      padding: 24px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .hero-image-wrapper {
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 18px;
      border: 1px solid var(--border);
      position: relative;
    }

    .hero-card-meta {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .meta-box {
      background: var(--bg-body);
      padding: 12px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--primary);
    }

    .meta-box span {
      display: block;
      font-size: 12px;
      color: var(--text-muted);
    }

    .meta-box strong {
      font-size: 15px;
      color: var(--text-main);
    }

    /* 2. 卖点三连 */
    .trio-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .trio-card {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .trio-card h3 {
      font-size: 19px;
      color: var(--primary-dark);
      margin-bottom: 12px;
      font-weight: 700;
    }

    .trio-card p {
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.7;
    }

    /* 3. 核心优势六矩阵 */
    .six-matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .matrix-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 26px;
      transition: var(--transition);
    }

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

    .matrix-icon {
      width: 44px;
      height: 44px;
      border-radius: 8px;
      background: rgba(13, 92, 88, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: bold;
      margin-bottom: 18px;
    }

    .matrix-card h4 {
      font-size: 17px;
      color: var(--primary-dark);
      margin-bottom: 10px;
    }

    .matrix-card p {
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.65;
      margin-bottom: 14px;
    }

    .matrix-tag {
      display: inline-block;
      font-size: 11px;
      padding: 2px 8px;
      border-radius: 4px;
      background: var(--bg-body);
      color: var(--text-muted);
      border: 1px solid var(--border);
    }

    /* 4. 医药研发系统核心模块/产品线区 (3 Cards) */
    .modules-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

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

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

    .module-card-img {
      height: 180px;
      overflow: hidden;
    }

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

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

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

    .module-card-body h3 {
      font-size: 18px;
      color: var(--primary-dark);
      margin-bottom: 12px;
    }

    .module-card-body p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .module-feature-list {
      list-style: none;
      margin-bottom: 20px;
      padding-top: 14px;
      border-top: 1px dashed var(--border);
    }

    .module-feature-list li {
      font-size: 13px;
      color: var(--text-main);
      margin-bottom: 8px;
      position: relative;
      padding-left: 18px;
    }

    .module-feature-list li::before {
      content: "•";
      color: var(--accent);
      position: absolute;
      left: 0;
      font-size: 18px;
      line-height: 1;
      top: -2px;
    }

    /* 5. 深色合规区 */
    .dark-compliance-section {
      background: var(--bg-dark);
      color: var(--text-inverse);
      padding: 85px 0;
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
    }

    .dark-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 50px;
      align-items: center;
    }

    .dark-content h2 {
      font-size: 28px;
      line-height: 1.35;
      margin-bottom: 20px;
      color: #F1F5F9;
    }

    .dark-content p {
      color: #94A3B8;
      font-size: 15px;
      margin-bottom: 24px;
      line-height: 1.8;
    }

    .compliance-points {
      list-style: none;
    }

    .compliance-points li {
      margin-bottom: 14px;
      display: flex;
      gap: 12px;
      font-size: 14px;
      color: #CBD5E1;
    }

    .point-dot {
      color: var(--accent);
      font-weight: bold;
    }

    .security-badge-grid {
      background: #172831;
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 24px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .sec-item {
      border: 1px solid rgba(255, 255, 255, 0.08);
      padding: 16px;
      border-radius: var(--radius-sm);
      background: rgba(0, 0, 0, 0.2);
    }

    .sec-item strong {
      display: block;
      color: #F8FAFC;
      font-size: 15px;
      margin-bottom: 4px;
    }

    .sec-item span {
      font-size: 12px;
      color: #94A3B8;
    }

    /* 6. 药企落地案例故事 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
    }

    .case-tag {
      font-size: 12px;
      color: var(--primary);
      background: rgba(13, 92, 88, 0.08);
      padding: 3px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 12px;
      font-weight: 600;
    }

    .case-card h4 {
      font-size: 17px;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .case-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
    }

    .case-metric {
      border-top: 1px solid var(--border);
      padding-top: 12px;
      font-size: 13px;
      color: var(--accent);
      font-weight: 600;
    }

    /* 7. 关键数据与性能指标统计条 */
    .metrics-bar-section {
      background: #F0FDFA;
      padding: 50px 0;
      border-top: 1px solid #CCFBF1;
      border-bottom: 1px solid #CCFBF1;
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }

    .metric-item-val {
      font-size: 38px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 8px;
      font-family: Arial, Helvetica, sans-serif;
    }

    .metric-item-lbl {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 8. 临床与实验室用户真实评价 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .review-quote {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 20px;
      position: relative;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border);
      padding-top: 14px;
    }

    .author-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
    }

    .author-info strong {
      display: block;
      font-size: 14px;
      color: var(--text-main);
    }

    .author-info span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 9. 医药研发前沿动态资讯区 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 22px;
      display: flex;
      flex-direction: column;
    }

    .news-meta {
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 10px;
    }

    .news-card h4 {
      font-size: 16px;
      color: var(--primary-dark);
      margin-bottom: 10px;
      line-height: 1.45;
    }

    .news-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 14px;
    }

    .news-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 10. 常见答疑 FAQ */
    .faq-wrapper {
      max-width: 820px;
      margin: 0 auto;
    }

    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
    }

    .faq-item summary {
      padding: 16px 20px;
      font-weight: 600;
      color: var(--primary-dark);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: "+";
      font-size: 18px;
      color: var(--primary);
      font-weight: 400;
      transition: transform 0.2s;
    }

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

    .faq-item-content {
      padding: 0 20px 18px 20px;
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.7;
    }

    /* 11. 数智化保障与服务体系条 */
    .assurance-bar {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 30px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .assurance-box {
      border-left: 2px solid var(--primary);
      padding-left: 14px;
    }

    .assurance-box strong {
      display: block;
      font-size: 15px;
      color: var(--primary-dark);
      margin-bottom: 4px;
    }

    .assurance-box p {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 12. 转化区 CTA */
    .cta-section {
      background: linear-gradient(135deg, var(--primary-dark) 0%, #0F3735 100%);
      color: #FFFFFF;
      padding: 70px 0;
      border-top: 1px solid var(--primary);
    }

    .cta-container {
      max-width: 800px;
      margin: 0 auto;
      text-align: center;
    }

    .cta-container h2 {
      font-size: 30px;
      margin-bottom: 14px;
      font-weight: 700;
    }

    .cta-container p {
      font-size: 15px;
      color: #CBD5E1;
      margin-bottom: 30px;
    }

    .cta-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      background: rgba(255, 255, 255, 0.06);
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.12);
      margin-bottom: 16px;
    }

    .form-input {
      width: 100%;
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: #FFFFFF;
      font-size: 14px;
      color: var(--text-main);
      outline: none;
    }

    .form-input:focus {
      border-color: var(--accent);
    }

    .form-submit-col {
      grid-column: span 2;
    }

    .btn-accent {
      background: var(--accent);
      color: #FFFFFF;
      width: 100%;
      padding: 13px;
      font-size: 15px;
      font-weight: 600;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
    }

    .btn-accent:hover {
      background: var(--accent-hover);
    }

    .nda-note {
      font-size: 12px;
      color: #94A3B8;
    }

    /* 页脚 Footer */
    .site-footer {
      background: var(--bg-dark);
      color: #94A3B8;
      padding: 60px 0 25px 0;
      font-size: 13px;
      border-top: 1px solid var(--border-dark);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1.2fr 1.4fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h5 {
      color: #F8FAFC;
      font-size: 15px;
      margin-bottom: 16px;
      font-weight: 600;
    }

    .footer-col ul {
      list-style: none;
    }

    .footer-col ul li {
      margin-bottom: 9px;
    }

    .footer-col ul li a:hover {
      color: #F8FAFC;
    }

    .cert-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 12px;
    }

    .cert-tags span {
      background: rgba(255, 255, 255, 0.06);
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 11px;
      color: #CBD5E1;
    }

    .footer-bottom {
      border-top: 1px solid var(--border-dark);
      padding-top: 20px;
      text-align: center;
      color: #64748B;
      font-size: 12px;
    }

    /* 移动端汉堡与抽屉 */
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--primary);
      cursor: pointer;
    }

    @media (max-width: 1024px) {
      .hero-grid,
      .dark-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .metrics-grid,
      .assurance-bar {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .main-nav {
        height: 60px;
      }
      .nav-links {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .trio-grid,
      .six-matrix-grid,
      .modules-grid,
      .case-grid,
      .reviews-grid,
      .news-grid {
        grid-template-columns: 1fr;
      }
      .cta-form {
        grid-template-columns: 1fr;
      }
      .form-submit-col {
        grid-column: span 1;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-content h1 {
        font-size: 28px;
      }
      section {
        padding: 50px 0;
      }
    }