/* roulang page: index */
:root {
      --primary: #0F766E;
      --primary-dark: #115E59;
      --primary-light: #CCFBF1;
      --secondary: #14B8A6;
      --accent: #6366F1;
      --dark-bg: #0A0F1D;
      --dark-card: #131B2E;
      --page-bg: #F8FAFC;
      --card-bg: #FFFFFF;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #94A3B8;
      --border-color: #E2E8F0;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 6px -1px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
      --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.12);
      --transition: all 0.25s ease-in-out;
    }

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

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

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--page-bg);
      color: var(--text-main);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    code, .mono {
      font-family: "JetBrains Mono", Consolas, "SF Mono", monospace;
    }

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

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部双行导航系统 */
    .top-microbar {
      background: #060B14;
      color: #94A3B8;
      font-size: 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 6px 0;
    }
    .top-microbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .top-microbar span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .site-header .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.01em;
    }
    .site-logo-icon {
      width: 34px;
      height: 34px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-menu a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
    }
    .nav-menu a:hover, .nav-menu a.active {
      color: var(--primary);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      line-height: 1.4;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 4px 12px rgba(15, 118, 110, 0.25);
    }
    .btn-primary:hover {
      background-color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(15, 118, 110, 0.35);
    }
    .btn-outline {
      border-color: var(--border-color);
      background-color: #FFFFFF;
      color: var(--text-main);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background-color: var(--primary-light);
    }

    /* 通用板块标准 */
    .section-block {
      padding: 88px 0;
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      max-width: 780px;
      margin: 0 auto 54px;
      text-align: center;
    }
    .section-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      letter-spacing: -0.02em;
      line-height: 1.3;
    }
    .section-intro {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.75;
    }

    /* 1. 首屏轮播视差区 (#hero-carousel) */
    .hero-section {
      position: relative;
      background: linear-gradient(180deg, #0A0F1D 0%, #0F172A 100%);
      color: #FFFFFF;
      padding: 80px 0 100px;
      overflow: hidden;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .hero-bg-overlay {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/196aec683f8f5f61.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.15;
      mix-blend-mode: luminosity;
    }
    .hero-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 22px;
      letter-spacing: -0.02em;
    }
    .hero-content h1 span {
      background: linear-gradient(90deg, #2DD4BF, #818CF8);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 17px;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 32px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }
    .hero-countdown-panel {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      display: flex;
      align-items: center;
      gap: 24px;
    }
    .countdown-timer-group {
      display: flex;
      gap: 12px;
      align-items: center;
    }
    .countdown-ring-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      min-width: 52px;
    }
    .countdown-ring-num {
      font-size: 22px;
      font-weight: 700;
      color: #2DD4BF;
      font-family: "JetBrains Mono", monospace;
    }
    .countdown-ring-label {
      font-size: 11px;
      color: #94A3B8;
    }
    .hero-stage-card {
      background: rgba(19, 27, 46, 0.85);
      border: 1px solid rgba(45, 212, 191, 0.25);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }
    .hero-stage-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 16px;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .hero-stage-chip {
      font-size: 12px;
      background: rgba(45, 212, 191, 0.15);
      color: #2DD4BF;
      padding: 4px 10px;
      border-radius: 4px;
      font-family: monospace;
    }
    .hero-img-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 16px;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    /* 2. 平台核心产品与技术介绍区 (#about-platform) */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .about-img-box {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
    }
    .about-text h3 {
      font-size: 26px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .about-highlight-box {
      background: #F1F5F9;
      border-left: 4px solid var(--primary);
      padding: 16px 20px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      margin: 24px 0;
      font-size: 14px;
      color: #334155;
    }

    /* 3. 六维研发核心优势区 (#core-advantages) */
    .advantages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .card-adv {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .card-adv:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--secondary);
    }
    .card-adv-badge {
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
      background: var(--primary-light);
      padding: 2px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 14px;
    }
    .card-adv h4 {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .card-adv p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 4. 三大旗舰产品矩阵区 (#products) */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .product-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }
    .product-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }
    .product-tag {
      font-size: 12px;
      color: var(--accent);
      background: #EEF2FF;
      padding: 3px 10px;
      border-radius: 4px;
      font-weight: 600;
      width: fit-content;
      margin-bottom: 16px;
    }
    .product-card h3 {
      font-size: 21px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .product-spec-list {
      list-style: none;
      margin: 20px 0 28px;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
    }
    .product-spec-list li {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .product-spec-list li::before {
      content: "•";
      color: var(--primary);
      font-size: 16px;
    }

    /* 5. 计算化学与生信深度功能分组区 (#features-deep) */
    .deep-features-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .deep-card {
      background: #FFFFFF;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }
    .deep-card-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .deep-card-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 6. 药物研发全生命周期使用场景区 (#scenarios) */
    .timeline-scenarios {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .scenario-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
    }
    .scenario-phase {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
      display: block;
      font-family: monospace;
    }
    .scenario-card h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    /* 7. 平台工作流演示与操作界面映射区 (#workflow-demo) */
    .workflow-console {
      background: #0A0F1D;
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 28px;
      color: #E2E8F0;
    }
    .console-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      padding-bottom: 16px;
      margin-bottom: 24px;
    }
    .console-tabs {
      display: flex;
      gap: 12px;
    }
    .console-tab-item {
      padding: 6px 14px;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 4px;
      font-size: 13px;
      color: #94A3B8;
      cursor: pointer;
    }
    .console-tab-item.active {
      background: var(--primary);
      color: #FFFFFF;
    }
    .console-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: center;
    }
    .console-output-pre {
      background: #060913;
      border-radius: var(--radius-sm);
      padding: 16px;
      font-family: monospace;
      font-size: 13px;
      line-height: 1.6;
      color: #2DD4BF;
      overflow-x: auto;
    }

    /* 8. 深色沉浸式算力底座与技术理念区 (#infrastructure-dark) */
    .infra-section {
      background: #060913;
      color: #FFFFFF;
      padding: 88px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .infra-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .infra-card {
      background: #0D1322;
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 30px;
    }
    .infra-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 12px;
    }
    .infra-card p {
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.7;
    }

    /* 9. 学术机构与药企落地成功案例区 (#success-cases) */
    .cases-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .case-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }
    .case-metric {
      display: flex;
      gap: 24px;
      margin: 18px 0;
      padding: 16px 0;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .case-metric-box h4 {
      font-size: 26px;
      color: var(--primary);
      font-weight: 800;
    }
    .case-metric-box span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 10. 量化研发成效关键数据统计条 (#metrics-bar) */
    .metrics-bar-section {
      background: linear-gradient(135deg, #0F766E 0%, #115E59 100%);
      color: #FFFFFF;
      padding: 60px 0;
    }
    .metrics-bar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .metric-item-num {
      font-size: 44px;
      font-weight: 800;
      font-family: monospace;
      margin-bottom: 4px;
      color: #5EEAD4;
    }
    .metric-item-label {
      font-size: 15px;
      font-weight: 500;
      color: #CCFBF1;
    }

    /* 11. 跨国药企与科研团队真实评价墙 (#testimonials) */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testimonial-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testimonial-quote {
      font-size: 14px;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .testimonial-author {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    .author-name {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }
    .author-title {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 12. AI制药前沿资讯与学术速递区 (#industry-news) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .news-img {
      height: 180px;
      overflow: hidden;
    }
    .news-body {
      padding: 20px;
    }
    .news-date {
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
      color: var(--text-main);
    }
    .news-excerpt {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    /* 13. 高频技术疑问解答手风琴区 (#faq-accordion) */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      background: #FFFFFF;
      margin-bottom: 16px;
      overflow: hidden;
    }
    .faq-question {
      width: 100%;
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: none;
      border: none;
      text-align: left;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
    }
    .faq-icon {
      font-size: 20px;
      color: var(--primary);
      transition: var(--transition);
    }
    .faq-answer {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 14. 底部高转化咨询与开通 CTA 区 (#conversion-cta) */
    .cta-box {
      background: linear-gradient(135deg, #0A0F1D 0%, #131B2E 100%);
      border: 1px solid rgba(45, 212, 191, 0.2);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      color: #FFFFFF;
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }
    .cta-box h2 {
      font-size: 32px;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .cta-form {
      display: flex;
      gap: 12px;
      justify-content: center;
      max-width: 560px;
      margin: 32px auto 20px;
      flex-wrap: wrap;
    }
    .cta-input {
      flex: 1;
      min-width: 240px;
      padding: 12px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(255, 255, 255, 0.08);
      color: #FFFFFF;
      outline: none;
      font-size: 14px;
    }
    .cta-input::placeholder {
      color: #94A3B8;
    }
    .cta-guarantee-notes {
      font-size: 13px;
      color: #94A3B8;
      display: flex;
      justify-content: center;
      gap: 24px;
      flex-wrap: wrap;
    }

    /* 页脚系统 */
    .site-footer {
      background: #060913;
      color: #94A3B8;
      padding: 64px 0 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      font-size: 18px;
      color: #FFFFFF;
      margin-bottom: 14px;
    }
    .footer-col h5 {
      font-size: 15px;
      color: #FFFFFF;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: var(--secondary);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 12px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-inner {
        grid-template-columns: 1fr;
      }
      .advantages-grid, .products-grid, .testimonials-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .deep-features-grid, .timeline-scenarios {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .about-grid, .console-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .section-block {
        padding: 56px 0;
      }
      .nav-menu {
        display: none;
      }
      .advantages-grid, .products-grid, .testimonials-grid, .news-grid, .deep-features-grid, .timeline-scenarios, .infra-grid, .cases-grid {
        grid-template-columns: 1fr;
      }
      .metrics-bar-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-content h1 {
        font-size: 30px;
      }
      .cta-box {
        padding: 36px 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }