/* roulang page: index */
:root {
      --primary: #0A68F4;
      --primary-light: #388BFD;
      --primary-dark: #074BB0;
      --secondary: #00BFA5;
      --accent: #F59E0B;
      --success: #10B981;
      --danger: #EF4444;
      --dark-surface: #0B132B;
      --dark-card: #1C2541;
      --light-bg: #F8FAFC;
      --card-white: #FFFFFF;
      --text-main: #0F172A;
      --text-muted: #334155;
      --text-light: #64748B;
      --border-color: rgba(226, 232, 240, 0.85);
      --gradient-brand: linear-gradient(135deg, #0A68F4 0%, #00BFA5 100%);
      --gradient-hero: linear-gradient(135deg, rgba(11, 19, 43, 0.94) 0%, rgba(28, 37, 65, 0.88) 100%);
      --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.03);
      --shadow-md: 0 8px 24px -4px rgba(10, 104, 244, 0.08), 0 4px 8px -2px rgba(0, 0, 0, 0.03);
      --shadow-hover: 0 20px 35px -5px rgba(10, 104, 244, 0.15), 0 10px 15px -5px rgba(0, 0, 0, 0.04);
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-pill: 9999px;
      --container-max: 1280px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      color: var(--text-main);
      background-color: var(--light-bg);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      padding-bottom: 70px;
    }

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

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

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

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

    /* 顶部通知条 */
    .top-utility-bar {
      background-color: #0B132B;
      color: #94A3B8;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-utility-flex {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .status-dot-wrap {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      background-color: var(--success);
      border-radius: 50%;
      position: relative;
    }
    .pulse-dot::after {
      content: "";
      position: absolute;
      top: -2px;
      left: -2px;
      right: -2px;
      bottom: -2px;
      border-radius: 50%;
      background-color: rgba(16, 185, 129, 0.4);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0% { transform: scale(1); opacity: 1; }
      100% { transform: scale(2.2); opacity: 0; }
    }

    /* 主导航栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
    }
    .brand-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--gradient-brand);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 800;
      font-size: 18px;
      box-shadow: 0 4px 10px rgba(10, 104, 244, 0.3);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }
    .nav-cta-btn {
      background: var(--gradient-brand);
      color: #fff;
      padding: 10px 22px;
      border-radius: var(--radius-pill);
      font-weight: 600;
      font-size: 14px;
      border: none;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      box-shadow: 0 4px 14px rgba(10, 104, 244, 0.25);
      transition: var(--transition);
    }
    .nav-cta-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(10, 104, 244, 0.35);
    }
    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-main);
      cursor: pointer;
    }

    /* 基础板块与排版 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }
    .section-wrap.alt-bg {
      background-color: #FFFFFF;
    }
    .section-wrap.dark-bg {
      background-color: var(--dark-surface);
      color: #FFFFFF;
    }
    .section-header {
      margin-bottom: 50px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: rgba(10, 104, 244, 0.08);
      color: var(--primary);
      border-radius: var(--radius-pill);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 14px;
      border: 1px solid rgba(10, 104, 244, 0.15);
    }
    .section-tag.tag-dark {
      background: rgba(0, 191, 165, 0.15);
      color: var(--secondary);
      border-color: rgba(0, 191, 165, 0.3);
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      line-height: 1.35;
      margin-bottom: 16px;
      color: inherit;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-light);
      line-height: 1.7;
    }
    .section-wrap.dark-bg .section-desc {
      color: #94A3B8;
    }

    /* 1. 首屏 Banner */
    .hero-banner {
      position: relative;
      background-image: var(--gradient-hero), url('/assets/images/b3f7b1c54af754ec.webp');
      background-size: cover;
      background-position: center;
      color: #FFFFFF;
      padding: 100px 0 120px 0;
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-badge-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 20px;
    }
    .hero-badge-pill {
      background: rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.25);
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      font-size: 13px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .hero-title {
      font-size: 42px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-title-highlight {
      background: linear-gradient(135deg, #60A5FA 0%, #2DD4BF 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-intro {
      font-size: 16px;
      line-height: 1.8;
      color: #CBD5E1;
      margin-bottom: 36px;
    }
    .hero-btn-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .btn-hero-main {
      background: var(--gradient-brand);
      color: #FFFFFF;
      padding: 14px 32px;
      border-radius: var(--radius-md);
      font-size: 16px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 10px 25px rgba(10, 104, 244, 0.4);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .btn-hero-main:hover {
      transform: translateY(-2px);
      box-shadow: 0 15px 30px rgba(10, 104, 244, 0.5);
    }
    .btn-hero-sub {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(10px);
      color: #FFFFFF;
      padding: 14px 28px;
      border-radius: var(--radius-md);
      font-size: 16px;
      font-weight: 500;
      border: 1px solid rgba(255, 255, 255, 0.25);
    }
    .btn-hero-sub:hover {
      background: rgba(255, 255, 255, 0.18);
    }
    .hero-quick-features {
      display: flex;
      gap: 24px;
      font-size: 13px;
      color: #94A3B8;
    }
    .hero-quick-item {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* 首屏右侧互动面板卡 */
    .hero-promo-card {
      background: rgba(28, 37, 65, 0.75);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
      position: relative;
    }
    .promo-tag-bubble {
      position: absolute;
      top: -12px;
      right: 24px;
      background: linear-gradient(135deg, #EF4444 0%, #F59E0B 100%);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
    }
    .promo-header {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .promo-metric-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .promo-metric-box {
      background: rgba(255, 255, 255, 0.05);
      padding: 14px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .promo-metric-title {
      font-size: 13px;
      color: #94A3B8;
      margin-bottom: 4px;
    }
    .promo-metric-val {
      font-size: 20px;
      font-weight: 700;
      color: #38BDF8;
    }

    /* 2. 核心数据指标横条 */
    .metrics-bar-section {
      margin-top: -50px;
      position: relative;
      z-index: 10;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #FFFFFF;
      padding: 30px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
    }
    .metric-item {
      text-align: center;
      padding: 10px;
      border-right: 1px solid rgba(226, 232, 240, 0.8);
    }
    .metric-item:last-child {
      border-right: none;
    }
    .metric-number {
      font-size: 38px;
      font-weight: 800;
      background: var(--gradient-brand);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .metric-unit {
      font-size: 18px;
      font-weight: 600;
    }
    .metric-title {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .metric-sub {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 通用卡片容器网格 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }
    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    /* 3. 已上线核心能力 (Online Capabilities) */
    .capability-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .capability-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(10, 104, 244, 0.3);
    }
    .cap-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 18px;
    }
    .cap-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: rgba(10, 104, 244, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
    }
    .cap-status {
      font-size: 12px;
      font-weight: 600;
      color: var(--success);
      background: rgba(16, 185, 129, 0.1);
      padding: 4px 10px;
      border-radius: var(--radius-pill);
    }
    .cap-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .cap-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .cap-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
      font-size: 13px;
      color: var(--text-light);
    }
    .cap-list li {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .cap-list li::before {
      content: "•";
      color: var(--primary);
      font-size: 16px;
      line-height: 1;
    }

    /* 4. 进行中升级与适配研发 (In Progress) */
    .progress-item-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      position: relative;
      overflow: hidden;
    }
    .progress-bar-bg {
      height: 6px;
      background: #E2E8F0;
      border-radius: var(--radius-pill);
      margin: 14px 0 8px;
      overflow: hidden;
    }
    .progress-bar-fill {
      height: 100%;
      background: var(--gradient-brand);
      border-radius: var(--radius-pill);
    }
    .progress-meta {
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-light);
    }

    /* 5. 规划中前沿医学架构 (Roadmap / Planning) */
    .roadmap-timeline {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      position: relative;
    }
    .roadmap-card {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 26px;
      position: relative;
    }
    .roadmap-phase {
      font-size: 12px;
      font-weight: 700;
      color: var(--secondary);
      text-transform: uppercase;
      margin-bottom: 8px;
    }
    .roadmap-title {
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 12px;
    }
    .roadmap-desc {
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* 6. 多科室全场景落地演示 (Clinical Scenarios) */
    .scenario-tabs-container {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }
    .scenario-tab-nav {
      display: flex;
      background: #F1F5F9;
      border-bottom: 1px solid var(--border-color);
    }
    .tab-btn {
      flex: 1;
      padding: 18px 20px;
      font-size: 15px;
      font-weight: 600;
      text-align: center;
      background: none;
      border: none;
      cursor: pointer;
      color: var(--text-light);
      transition: var(--transition);
    }
    .tab-btn.active {
      background: #FFFFFF;
      color: var(--primary);
      border-top: 3px solid var(--primary);
    }
    .scenario-tab-content {
      padding: 40px;
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 40px;
      align-items: center;
    }
    .scenario-img-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }

    /* 7. 六维核心优势矩阵 (Strengths Matrix) */
    .strength-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
    }
    .strength-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-hover);
    }
    .strength-icon {
      font-size: 24px;
      color: var(--primary);
      margin-bottom: 14px;
    }
    .strength-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .strength-desc {
      font-size: 14px;
      color: var(--text-light);
      line-height: 1.6;
    }

    /* 8. 解决方案与产品矩阵 (Product Matrix) */
    .product-box {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .product-box:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    .product-img {
      height: 200px;
      object-fit: cover;
      width: 100%;
    }
    .product-body {
      padding: 26px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .product-title {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .product-desc {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 20px;
      flex-grow: 1;
      line-height: 1.6;
    }
    .product-footer-btn {
      display: inline-block;
      text-align: center;
      background: rgba(10, 104, 244, 0.08);
      color: var(--primary);
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      transition: var(--transition);
    }
    .product-footer-btn:hover {
      background: var(--primary);
      color: #FFFFFF;
    }

    /* 9. 技术底座与安全合规 (Tech & Compliance) */
    .compliance-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .compliance-box {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 24px;
    }
    .compliance-box h4 {
      font-size: 17px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .compliance-box p {
      font-size: 13.5px;
      color: #94A3B8;
      line-height: 1.65;
    }

    /* 10. 标杆医院落地实效与对比 (Case Studies) */
    .case-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }
    .case-badge {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      background: rgba(10, 104, 244, 0.08);
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      display: inline-block;
      margin-bottom: 12px;
    }
    .case-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .case-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
    }
    .case-stats-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      background: #F8FAFC;
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }
    .stat-box-num {
      font-size: 22px;
      font-weight: 700;
      color: var(--primary);
    }
    .stat-box-label {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 11. 版本更新日志 (Changelog) */
    .changelog-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      max-width: 900px;
      margin: 0 auto;
    }
    .changelog-item {
      display: grid;
      grid-template-columns: 140px 1fr;
      gap: 24px;
      background: #FFFFFF;
      padding: 22px 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      align-items: start;
    }
    .change-ver-tag {
      font-size: 14px;
      font-weight: 700;
      color: var(--primary);
      background: rgba(10, 104, 244, 0.08);
      padding: 4px 10px;
      border-radius: var(--radius-pill);
      text-align: center;
      display: inline-block;
    }
    .change-date {
      font-size: 12px;
      color: var(--text-light);
      margin-top: 4px;
      text-align: center;
    }
    .change-detail h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .change-detail p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 12. 医疗学术证据与动态资讯 (News & Insights) */
    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-excerpt {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* 13. 订阅更新与技术白皮书获取 (Subscribe & CTA Form) */
    .subscribe-banner-card {
      background: var(--gradient-brand);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #FFFFFF;
      box-shadow: 0 20px 40px rgba(10, 104, 244, 0.25);
    }
    .sub-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }
    .sub-title {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 12px;
    }
    .sub-desc {
      font-size: 15px;
      color: rgba(255, 255, 255, 0.9);
      line-height: 1.7;
    }
    .sub-form-wrap {
      background: #FFFFFF;
      padding: 24px;
      border-radius: var(--radius-md);
      color: var(--text-main);
    }
    .sub-form-input {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      margin-bottom: 12px;
    }
    .sub-form-btn {
      width: 100%;
      background: var(--primary);
      color: #FFFFFF;
      font-weight: 600;
      padding: 12px;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
    }
    .sub-form-btn:hover {
      background: var(--primary-dark);
    }

    /* 页脚 */
    .site-footer {
      background: #0B132B;
      color: #94A3B8;
      padding: 60px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 13.5px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-logo {
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-col h5 {
      color: #FFFFFF;
      font-size: 15px;
      margin-bottom: 16px;
      font-weight: 600;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: #FFFFFF;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      text-align: center;
      font-size: 12px;
      color: #64748B;
    }

    /* 底部固定转化条 */
    .fixed-bottom-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background: rgba(15, 23, 42, 0.96);
      backdrop-filter: blur(10px);
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      z-index: 999;
      padding: 10px 0;
    }
    .fixed-bar-flex {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .fixed-bar-info {
      color: #F8FAFC;
      font-size: 14px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .fixed-cta-btn {
      background: var(--gradient-brand);
      color: #FFFFFF;
      font-weight: 600;
      font-size: 13.5px;
      padding: 8px 20px;
      border-radius: var(--radius-pill);
      border: none;
      cursor: pointer;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
      }
      .metric-item:nth-child(2) {
        border-right: none;
      }
      .grid-3, .compliance-grid, .roadmap-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .sub-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-utility-bar {
        display: none;
      }
      .nav-menu {
        display: none;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .hero-title {
        font-size: 30px;
      }
      .section-wrap {
        padding: 50px 0;
      }
      .metrics-bar-section {
        margin-top: 20px;
      }
      .metrics-grid {
        grid-template-columns: 1fr;
      }
      .metric-item {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 16px;
      }
      .metric-item:last-child {
        border-bottom: none;
      }
      .grid-3, .grid-2, .grid-4, .compliance-grid, .roadmap-timeline {
        grid-template-columns: 1fr;
      }
      .scenario-tab-content {
        grid-template-columns: 1fr;
        padding: 20px;
      }
      .changelog-item {
        grid-template-columns: 1fr;
        gap: 8px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .fixed-bar-info span {
        display: none;
      }
    }