/* roulang page: index */
:root {
      --primary: #0F2B5C;
      --primary-light: #1A448A;
      --accent: #00A870;
      --accent-hover: #00C887;
      --bg-main: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-dark: #0B192E;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: rgba(15, 43, 92, 0.08);
      --card-radius: 18px;
      --shadow-sm: 0 4px 16px -2px rgba(15, 43, 92, 0.05);
      --shadow-lg: 0 12px 30px -4px rgba(15, 43, 92, 0.12);
      --transition: all 0.28s ease;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.75;
      -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: 1220px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部通栏导航 */
    .top-bar {
      background: #08152B;
      color: #94A3B8;
      font-size: 0.8125rem;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .top-bar-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #38BDF8;
    }
    .top-bar-badge::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #38BDF8;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 12px rgba(15, 43, 92, 0.03);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }
    .logo-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .logo-icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 800;
      font-size: 1.15rem;
    }
    .logo-text {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-links a {
      font-size: 0.95rem;
      font-weight: 500;
      color: #334155;
    }
    .nav-links a:hover {
      color: var(--accent);
    }
    .nav-action {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      font-weight: 600;
      padding: 11px 24px;
      border-radius: 10px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(0, 168, 112, 0.25);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 168, 112, 0.35);
    }
    .btn-outline {
      border-color: var(--border-color);
      color: var(--primary);
      background: #FFFFFF;
    }
    .btn-outline:hover {
      border-color: var(--primary);
      background: #F1F5F9;
    }

    /* 通用板块与排版 */
    section {
      padding: 86px 0;
      position: relative;
    }
    .sec-light {
      background: #FFFFFF;
    }
    .sec-alt {
      background: var(--bg-main);
    }
    .sec-dark {
      background: var(--bg-dark);
      color: #F8FAFC;
    }
    .sec-header {
      margin-bottom: 48px;
    }
    .sec-header.center {
      text-align: center;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .sec-tag {
      display: inline-block;
      padding: 5px 14px;
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--accent);
      background: rgba(0, 168, 112, 0.1);
      border-radius: 999px;
      margin-bottom: 14px;
    }
    .sec-tag-dark {
      background: rgba(56, 189, 248, 0.15);
      color: #38BDF8;
    }
    .sec-title {
      font-size: 2.1rem;
      font-weight: 700;
      line-height: 1.35;
      color: var(--primary);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .sec-dark .sec-title {
      color: #FFFFFF;
    }
    .sec-desc {
      font-size: 1.025rem;
      color: var(--text-muted);
      line-height: 1.8;
    }
    .sec-dark .sec-desc {
      color: #94A3B8;
    }

    /* Section 1: Hero (图标矩阵 + 状态条 + 短标题) */
    .hero-section {
      padding: 56px 0 72px 0;
      background: #FFFFFF;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-matrix-box {
      background: linear-gradient(180deg, #F8FAFC 0%, #EFF6FF 100%);
      border: 1px solid var(--border-color);
      border-radius: 24px;
      padding: 48px 40px;
      box-shadow: var(--shadow-sm);
    }
    .hero-status-strip {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      background: #FFFFFF;
      padding: 12px 24px;
      border-radius: 12px;
      border: 1px solid rgba(15, 43, 92, 0.08);
      margin-bottom: 32px;
      gap: 14px;
    }
    .status-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
    }
    .dot-pulse {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 4px rgba(0, 168, 112, 0.2);
    }
    .hero-content {
      text-align: center;
      max-width: 890px;
      margin: 0 auto 40px auto;
    }
    .hero-title {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      color: var(--primary);
      margin-bottom: 20px;
    }
    .hero-intro {
      font-size: 1.1rem;
      color: var(--text-muted);
      line-height: 1.85;
      margin-bottom: 32px;
    }
    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
    }
    .icon-matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 40px;
    }
    .matrix-node {
      background: #FFFFFF;
      border: 1px solid rgba(15, 43, 92, 0.06);
      border-radius: 16px;
      padding: 22px 18px;
      text-align: left;
      transition: var(--transition);
    }
    .matrix-node:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-sm);
      border-color: var(--accent);
    }
    .node-icon {
      font-size: 1.5rem;
      margin-bottom: 10px;
      display: inline-block;
    }
    .node-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 6px;
    }
    .node-text {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Section 2: 系统架构与信任指标 */
    .arch-wrap {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }
    .arch-image-card {
      position: relative;
      border-radius: var(--card-radius);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
    }
    .arch-badge-float {
      position: absolute;
      bottom: 24px;
      right: 24px;
      background: rgba(15, 43, 92, 0.92);
      color: #FFFFFF;
      backdrop-filter: blur(8px);
      padding: 14px 20px;
      border-radius: 12px;
      font-size: 0.875rem;
      line-height: 1.5;
    }
    .arch-points {
      list-style: none;
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .arch-point-item {
      display: flex;
      gap: 14px;
    }
    .arch-icon {
      width: 28px;
      height: 28px;
      border-radius: 8px;
      background: rgba(0, 168, 112, 0.12);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      flex-shrink: 0;
    }

    /* Section 3: 已上线能力 (6 卡片网格) */
    .grid-3x2 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .feature-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      padding: 34px 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(0, 168, 112, 0.3);
    }
    .card-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
    }
    .card-badge {
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 999px;
      background: #ECFDF5;
      color: #047857;
    }
    .card-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .card-desc {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Section 4: 细分场景模块与产品矩阵 */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .scene-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .scene-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
    }
    .scene-img-holder {
      height: 200px;
      overflow: hidden;
      position: relative;
    }
    .scene-img-holder img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .scene-card:hover .scene-img-holder img {
      transform: scale(1.05);
    }
    .scene-body {
      padding: 28px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .scene-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .scene-specs {
      list-style: none;
      margin: 18px 0;
      border-top: 1px dashed var(--border-color);
      padding-top: 14px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.875rem;
      color: #475569;
    }
    .scene-specs li {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .scene-specs li::before {
      content: "✓";
      color: var(--accent);
      font-weight: bold;
    }

    /* Section 5: 进行中模块 - 招商转化逻辑对比 */
    .compare-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .compare-panel {
      border-radius: var(--card-radius);
      padding: 38px 32px;
    }
    .panel-trad {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .panel-sys {
      background: rgba(0, 168, 112, 0.08);
      border: 1px solid rgba(0, 168, 112, 0.3);
    }
    .compare-heading {
      font-size: 1.35rem;
      font-weight: 700;
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .compare-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .compare-item {
      display: flex;
      gap: 14px;
      font-size: 0.95rem;
      line-height: 1.6;
    }
    .tag-risk {
      color: #F87171;
      font-weight: 700;
      flex-shrink: 0;
    }
    .tag-boost {
      color: #34D399;
      font-weight: 700;
      flex-shrink: 0;
    }

    /* Section 6: 标杆项目深度故事 */
    .story-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      overflow: hidden;
    }
    .story-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .story-body {
      padding: 44px 38px;
    }
    .story-stat-row {
      display: flex;
      gap: 32px;
      margin-top: 28px;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
    }
    .stat-block .stat-num {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--accent);
      line-height: 1.2;
    }
    .stat-block .stat-lbl {
      font-size: 0.8125rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* Section 7: 规划中特性 - 关键指标全宽带状横幅 */
    .metrics-banner {
      background: linear-gradient(135deg, #0F2B5C 0%, #1A448A 100%);
      color: #FFFFFF;
      padding: 60px 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 28px;
      text-align: center;
    }
    .metric-value {
      font-size: 2.8rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 6px;
      letter-spacing: -1px;
    }
    .metric-title {
      font-size: 1.05rem;
      font-weight: 600;
      color: #93C5FD;
      margin-bottom: 4px;
    }
    .metric-sub {
      font-size: 0.8125rem;
      color: #CBD5E1;
    }

    /* Section 8: 客户评价墙 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testi-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      padding: 32px 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-text {
      font-size: 0.95rem;
      color: #334155;
      line-height: 1.75;
      margin-bottom: 24px;
      position: relative;
    }
    .testi-user {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .user-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .user-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--primary);
    }
    .user-org {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    /* Section 9: 更新日志 (Roadmap & Logs) */
    .logs-wrap {
      max-width: 860px;
      margin: 0 auto;
      border-left: 2px solid rgba(15, 43, 92, 0.1);
      padding-left: 32px;
      display: flex;
      flex-direction: column;
      gap: 36px;
    }
    .log-node {
      position: relative;
    }
    .log-node::before {
      content: "";
      position: absolute;
      left: -39px;
      top: 6px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--accent);
      border: 3px solid #FFFFFF;
      box-shadow: 0 0 0 2px var(--accent);
    }
    .log-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 8px;
    }
    .log-ver {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--primary);
    }
    .log-date {
      font-size: 0.8125rem;
      color: var(--text-muted);
      background: #E2E8F0;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .log-detail {
      font-size: 0.925rem;
      color: #475569;
      line-height: 1.7;
    }

    /* Section 10: 资讯动态摘要 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .news-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
      line-height: 1.5;
    }
    .news-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
    }

    /* Section 11: 订阅更新与转化倡议 (预约中心) */
    .cta-card {
      background: linear-gradient(135deg, #0F2B5C 0%, #173B7A 100%);
      border-radius: 24px;
      padding: 60px 48px;
      color: #FFFFFF;
      box-shadow: var(--shadow-lg);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .cta-form {
      background: #FFFFFF;
      padding: 32px;
      border-radius: 16px;
      color: var(--text-main);
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: #334155;
    }
    .form-input {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid #CBD5E1;
      border-radius: 8px;
      font-size: 0.95rem;
      outline: none;
      transition: var(--transition);
    }
    .form-input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(0, 168, 112, 0.15);
    }
    .form-submit {
      width: 100%;
      margin-top: 8px;
      padding: 13px;
      font-size: 1rem;
    }
    .form-privacy {
      font-size: 0.75rem;
      color: #94A3B8;
      text-align: center;
      margin-top: 10px;
    }

    /* Section 12: 底部固定轻量浮动条 */
    .sticky-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background: rgba(11, 25, 46, 0.96);
      backdrop-filter: blur(10px);
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding: 12px 0;
      z-index: 99;
      box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
      transition: var(--transition);
    }
    .sticky-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .sticky-brand {
      color: #FFFFFF;
      font-size: 0.95rem;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .sticky-tag {
      background: rgba(0, 168, 112, 0.2);
      color: #34D399;
      font-size: 0.75rem;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .sticky-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    /* 页脚 */
    .site-footer {
      background: #08152B;
      color: #94A3B8;
      padding: 64px 0 32px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.875rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-title {
      font-size: 1rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-links a:hover {
      color: #FFFFFF;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.8125rem;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .grid-3x2, .scene-grid, .testimonial-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .icon-matrix-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .arch-wrap, .story-card, .cta-card {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .nav-links, .top-bar-inner .top-right {
        display: none;
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .sec-title {
        font-size: 1.65rem;
      }
      .grid-3x2, .scene-grid, .testimonial-grid, .news-grid, .compare-container, .metrics-grid, .icon-matrix-grid {
        grid-template-columns: 1fr;
      }
      .hero-matrix-box, .cta-card, .story-body {
        padding: 24px 18px;
      }
      .sticky-brand {
        display: none;
      }
      .sticky-inner {
        justify-content: center;
        width: 100%;
      }
      .sticky-actions {
        width: 100%;
        justify-content: space-between;
      }
      .sticky-actions .btn {
        flex: 1;
        padding: 9px 12px;
        font-size: 0.85rem;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }