/* roulang page: index */
:root {
      --brand-primary: #0f172a;
      --brand-accent: #f97316;
      --brand-accent-hover: #ea580c;
      --brand-accent-subtle: #fff7ed;
      --brand-dark: #020617;
      --brand-surface: #ffffff;
      --brand-surface-alt: #f8fafc;
      --brand-border: #e2e8f0;
      --brand-text: #1e293b;
      --brand-text-muted: #64748b;
      --brand-text-light: #94a3b8;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
      --transition: all 0.24s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--brand-surface-alt);
      color: var(--brand-text);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

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

    .btn-primary-custom {
      background-color: var(--brand-accent);
      color: #ffffff;
      border: 1px solid var(--brand-accent);
      padding: 10px 24px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 0.95rem;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 2px 8px rgba(249, 115, 22, 0.25);
      transition: var(--transition);
    }
    .btn-primary-custom:hover {
      background-color: var(--brand-accent-hover);
      border-color: var(--brand-accent-hover);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
      transform: translateY(-1px);
    }

    .btn-outline-custom {
      background: transparent;
      color: var(--brand-text);
      border: 1px solid var(--brand-border);
      padding: 10px 24px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 0.95rem;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition);
    }
    .btn-outline-custom:hover {
      border-color: var(--brand-dark);
      background-color: var(--brand-dark);
      color: #ffffff;
    }

    /* 顶部促销细条 */
    .top-promo-bar {
      background-color: var(--brand-dark);
      color: #f8fafc;
      font-size: 0.82rem;
      padding: 7px 0;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .top-promo-badge {
      background-color: var(--brand-accent);
      color: #fff;
      font-size: 0.72rem;
      padding: 2px 8px;
      border-radius: 4px;
      margin-right: 8px;
      font-weight: 700;
      letter-spacing: 0.5px;
    }

    /* 主导航栏 */
    .main-header {
      background-color: #ffffff;
      border-bottom: 1px solid var(--brand-border);
      position: sticky;
      top: 0;
      z-index: 1030;
    }
    .navbar-brand-custom {
      font-weight: 800;
      font-size: 1.35rem;
      color: var(--brand-primary);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .navbar-brand-custom i {
      color: var(--brand-accent);
      font-size: 1.45rem;
    }
    .nav-link-custom {
      font-weight: 500;
      font-size: 0.92rem;
      color: var(--brand-text);
      padding: 8px 16px;
      border-radius: var(--radius-sm);
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--brand-accent);
      background-color: var(--brand-accent-subtle);
    }
    .search-box-pill {
      background-color: #f1f5f9;
      border: 1px solid var(--brand-border);
      border-radius: 20px;
      padding: 5px 14px;
      display: flex;
      align-items: center;
      gap: 6px;
      width: 220px;
    }
    .search-box-pill input {
      border: none;
      background: transparent;
      font-size: 0.85rem;
      outline: none;
      width: 100%;
    }

    /* Section 通用规范 */
    .section-padding {
      padding: 80px 0;
    }
    .section-padding-sm {
      padding: 50px 0;
    }
    .section-header {
      margin-bottom: 44px;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.78rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--brand-accent);
      background: var(--brand-accent-subtle);
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--brand-primary);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 0.96rem;
      color: var(--brand-text-muted);
      max-width: 680px;
      line-height: 1.7;
    }

    /* 卡片基础覆写 */
    .ui-card {
      background: #ffffff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-md);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .ui-card:hover {
      border-color: #cbd5e1;
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }

    /* Hero 券面墙 */
    .hero-wrapper {
      background: linear-gradient(135deg, #0b1329 0%, #1e293b 100%);
      color: #ffffff;
      padding: 85px 0 95px;
      position: relative;
    }
    .hero-h1 {
      font-size: 2.75rem;
      font-weight: 900;
      letter-spacing: -1px;
      line-height: 1.25;
      margin-bottom: 20px;
      color: #ffffff;
    }
    .hero-lead {
      font-size: 1.05rem;
      color: #cbd5e1;
      line-height: 1.8;
      margin-bottom: 30px;
    }
    .coupon-card-main {
      background: linear-gradient(135deg, #1e293b, #0f172a);
      border: 2px dashed rgba(249, 115, 22, 0.4);
      border-radius: var(--radius-lg);
      padding: 28px;
      position: relative;
      box-shadow: 0 16px 36px rgba(0,0,0,0.35);
    }
    .coupon-card-main::before, .coupon-card-main::after {
      content: '';
      position: absolute;
      width: 24px;
      height: 24px;
      background: #0b1329;
      border-radius: 50%;
      top: 50%;
      transform: translateY(-50%);
    }
    .coupon-card-main::before { left: -12px; }
    .coupon-card-main::after { right: -12px; }
    .coupon-val {
      font-size: 3rem;
      font-weight: 900;
      color: var(--brand-accent);
      line-height: 1;
    }

    /* 板块 1: 实时看板 */
    .metric-chip {
      background: #ffffff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-md);
      padding: 20px;
      position: relative;
    }
    .metric-value {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--brand-primary);
      letter-spacing: -0.5px;
    }
    .sparkline-bar {
      display: flex;
      align-items: flex-end;
      gap: 3px;
      height: 28px;
      margin-top: 10px;
    }
    .spark-col {
      flex: 1;
      background: #e2e8f0;
      border-radius: 2px;
      transition: height 0.3s;
    }
    .spark-col.active {
      background: var(--brand-accent);
    }

    /* 板块 2: 服务矩阵卡（分集式样式） */
    .ep-matrix-card {
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-md);
      background: #ffffff;
      padding: 24px;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .ep-badge {
      font-size: 0.7rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      display: inline-block;
    }
    .ep-badge-live {
      background: #ecfdf5;
      color: #059669;
      border: 1px solid #a7f3d0;
    }
    .ep-badge-dev {
      background: #eff6ff;
      color: #2563eb;
      border: 1px solid #bfdbfe;
    }

    /* 板块 3: 效能对比进度条 */
    .compare-bar-wrap {
      margin-bottom: 18px;
    }
    .compare-track {
      height: 12px;
      background: #e2e8f0;
      border-radius: 6px;
      overflow: hidden;
      margin-top: 6px;
      display: flex;
    }
    .compare-fill-lead {
      background: var(--brand-accent);
      height: 100%;
      border-radius: 6px;
    }

    /* 板块 4: 时间轴 */
    .timeline-wrap {
      position: relative;
      border-left: 2px solid #cbd5e1;
      padding-left: 28px;
      margin-left: 10px;
    }
    .timeline-item {
      position: relative;
      margin-bottom: 36px;
    }
    .timeline-dot {
      position: absolute;
      left: -35px;
      top: 4px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--brand-accent);
      box-shadow: 0 0 0 4px #ffffff, 0 0 0 6px rgba(249, 115, 22, 0.2);
    }
    .version-pill {
      background: #0f172a;
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 10px;
      border-radius: 20px;
      display: inline-block;
      margin-bottom: 6px;
    }

    /* 板块 5: 专题分类入口 */
    .category-showcase-card {
      background: #ffffff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .category-thumb-visual {
      height: 150px;
      background: linear-gradient(135deg, #0f172a 0%, #334155 100%);
      position: relative;
      padding: 20px;
      display: flex;
      align-items: flex-end;
      color: #ffffff;
    }

    /* 板块 6: EP 资讯目录列表 */
    .news-ep-row {
      background: #ffffff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-md);
      padding: 18px 24px;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 20px;
      transition: var(--transition);
    }
    .news-ep-row:hover {
      border-color: var(--brand-accent);
      transform: translateX(4px);
    }
    .news-ep-tag {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--brand-accent);
      min-width: 60px;
    }

    /* 板块 7: 平台保障与合规 */
    .guarantee-box {
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      background: #ffffff;
      padding: 24px;
      text-align: center;
    }
    .guarantee-icon {
      width: 52px;
      height: 52px;
      line-height: 52px;
      border-radius: 50%;
      background: var(--brand-accent-subtle);
      color: var(--brand-accent);
      font-size: 1.5rem;
      margin: 0 auto 16px;
    }

    /* 板块 8: 场景解答切换 */
    .scene-nav-btn {
      text-align: left;
      width: 100%;
      padding: 16px 20px;
      background: #ffffff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-sm);
      margin-bottom: 10px;
      font-weight: 600;
      color: var(--brand-text);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .scene-nav-btn.active, .scene-nav-btn:hover {
      border-color: var(--brand-accent);
      background: #fff7ed;
      color: var(--brand-accent);
    }

    /* 板块 9: Accordion 深度疑难 FAQ */
    .custom-accordion .accordion-item {
      border: none;
      border-bottom: 1px solid var(--brand-border);
      background: transparent;
      border-radius: 0 !important;
    }
    .custom-accordion .accordion-button {
      background: transparent !important;
      color: var(--brand-primary) !important;
      font-weight: 700;
      font-size: 1.05rem;
      padding: 20px 0;
      box-shadow: none !important;
    }
    .custom-accordion .accordion-body {
      padding: 0 0 20px 0;
      color: var(--brand-text-muted);
      line-height: 1.75;
    }

    /* 板块 10: 用户反馈瀑布流面板 */
    .feedback-pill-card {
      background: #ffffff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-md);
      padding: 22px;
      height: 100%;
      position: relative;
    }
    .feedback-author {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 16px;
      padding-top: 14px;
      border-top: 1px solid #f1f5f9;
    }

    /* 板块 11: 资源下载中心 */
    .download-strip {
      background: #0f172a;
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
    }
    .resource-card {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 20px;
      transition: var(--transition);
    }
    .resource-card:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: var(--brand-accent);
    }

    /* 板块 12: 需求转化表单 */
    .inquiry-box {
      background: #ffffff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      padding: 40px;
    }
    .form-control-custom {
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      font-size: 0.95rem;
    }
    .form-control-custom:focus {
      border-color: var(--brand-accent);
      box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
      outline: none;
    }

    /* 统一页脚 */
    .main-footer {
      background-color: var(--brand-dark);
      color: #94a3b8;
      font-size: 0.9rem;
      padding: 65px 0 25px;
      border-top: 1px solid #1e293b;
    }
    .footer-title {
      color: #ffffff;
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: #ffffff;
    }
    .footer-bottom {
      border-top: 1px solid #1e293b;
      margin-top: 50px;
      padding-top: 24px;
      font-size: 0.8rem;
    }

    @media (max-width: 991px) {
      .hero-h1 { font-size: 2.2rem; }
      .search-box-pill { width: 100%; margin: 10px 0; }
      .coupon-card-main { margin-top: 30px; }
      .section-padding { padding: 50px 0; }
    }
    @media (max-width: 576px) {
      .hero-h1 { font-size: 1.85rem; }
      .news-ep-row { flex-direction: column; align-items: flex-start; gap: 8px; }
      .inquiry-box { padding: 24px; }
    }

/* roulang page: category1 */
:root {
    --brand-primary: #0f172a;
    --brand-accent: #f97316;
    --brand-accent-hover: #ea580c;
    --brand-accent-subtle: #fff7ed;
    --brand-dark: #020617;
    --brand-surface: #ffffff;
    --brand-surface-alt: #f8fafc;
    --brand-border: #e2e8f0;
    --brand-text: #1e293b;
    --brand-text-muted: #64748b;
    --brand-text-light: #94a3b8;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
    --transition: all 0.24s cubic-bezier(0.16, 1, 0.3, 1);
  }

  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background-color: var(--brand-surface-alt);
    color: var(--brand-text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
  }

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

  a:hover {
    color: var(--brand-accent);
  }

  .btn-primary-custom {
    background-color: var(--brand-accent);
    color: #ffffff;
    border: 1px solid var(--brand-accent);
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(249, 115, 22, 0.25);
    transition: var(--transition);
  }

  .btn-primary-custom:hover {
    background-color: var(--brand-accent-hover);
    border-color: var(--brand-accent-hover);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
    transform: translateY(-1px);
  }

  .btn-outline-custom {
    background: transparent;
    color: var(--brand-text);
    border: 1px solid var(--brand-border);
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
  }

  .btn-outline-custom:hover {
    border-color: var(--brand-dark);
    background-color: var(--brand-dark);
    color: #ffffff;
  }

  .main-header {
    background-color: #ffffff;
    border-bottom: 1px solid var(--brand-border);
    position: sticky;
    top: 0;
    z-index: 1030;
  }

  .navbar-brand-custom {
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--brand-primary);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .navbar-brand-custom i {
    color: var(--brand-accent);
    font-size: 1.45rem;
  }

  .nav-link-custom {
    font-weight: 500;
    font-size: 0.92rem;
    color: var(--brand-text);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
  }

  .nav-link-custom:hover,
  .nav-link-custom.active {
    color: var(--brand-accent);
    background-color: var(--brand-accent-subtle);
  }

  .search-box-pill {
    background-color: #f1f5f9;
    border: 1px solid var(--brand-border);
    border-radius: 20px;
    padding: 5px 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    width: 220px;
  }

  .search-box-pill input {
    border: none;
    background: transparent;
    font-size: 0.85rem;
    outline: none;
    width: 100%;
  }

  .section-padding {
    padding: 80px 0;
  }

  .section-tag {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--brand-accent);
    background: var(--brand-accent-subtle);
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
  }

  .section-title {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--brand-primary);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
  }

  .section-desc {
    font-size: 0.96rem;
    color: var(--brand-text-muted);
    max-width: 680px;
    line-height: 1.7;
  }

  .ui-card {
    background: #ffffff;
    border: 1px solid var(--brand-border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
  }

  .ui-card:hover {
    border-color: #cbd5e1;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
  }

  /* Roadmap Hero & Version Capsule Styles */
  .hero-roadmap {
    background: radial-gradient(circle at 80% 20%, rgba(249, 115, 22, 0.12) 0%, transparent 50%),
                linear-gradient(135deg, #090e1a 0%, #1e293b 100%);
    color: #ffffff;
    padding: 85px 0 90px;
    position: relative;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .version-node-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    background: rgba(15, 23, 42, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 40px;
    padding: 8px 16px;
    margin-bottom: 28px;
    width: fit-content;
  }

  .version-capsule {
    font-size: 0.78rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .version-capsule.active {
    background: var(--brand-accent);
    color: #ffffff;
  }

  .version-capsule.planned {
    background: rgba(255,255,255,0.08);
    color: #cbd5e1;
  }

  .roadmap-preview-board {
    background: rgba(15, 23, 42, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
  }

  .roadmap-step-item {
    position: relative;
    padding-left: 28px;
    border-left: 2px solid rgba(249, 115, 22, 0.4);
    margin-bottom: 24px;
  }

  .roadmap-step-item:last-child {
    margin-bottom: 0;
    border-left-color: transparent;
  }

  .roadmap-step-item::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--brand-accent);
    box-shadow: 0 0 10px var(--brand-accent);
  }

  .sub-input-group {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    padding: 4px 6px 4px 14px;
  }

  .sub-input-group input {
    background: transparent;
    border: none;
    color: #ffffff;
    font-size: 0.9rem;
    outline: none;
  }

  .sub-input-group input::placeholder {
    color: #94a3b8;
  }

  /* Metric & Benchmarks */
  .benchmark-progress-track {
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
  }

  .benchmark-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #f97316, #fb923c);
    border-radius: 4px;
  }

  .topology-badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    background: #f1f5f9;
    color: #475569;
  }

  /* Accordion overrides */
  .accordion-custom .accordion-item {
    background: #ffffff;
    border: 1px solid var(--brand-border);
    margin-bottom: 12px;
    border-radius: var(--radius-sm) !important;
    overflow: hidden;
  }

  .accordion-custom .accordion-button {
    font-weight: 700;
    color: var(--brand-primary);
    background: #ffffff;
    box-shadow: none;
    padding: 18px 22px;
  }

  .accordion-custom .accordion-button:not(.collapsed) {
    color: var(--brand-accent);
    background: var(--brand-accent-subtle);
  }

  .accordion-custom .accordion-body {
    padding: 18px 22px;
    color: var(--brand-text-muted);
    font-size: 0.94rem;
    line-height: 1.75;
  }

  /* Footer styles */
  .footer-wrapper {
    background: #090e1a;
    color: #cbd5e1;
    padding: 70px 0 35px;
    border-top: 1px solid rgba(255,255,255,0.08);
  }

  .footer-brand {
    font-size: 1.4rem;
    font-weight: 800;
    color: #ffffff;
  }

  .footer-title {
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
  }

  .footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .footer-links li {
    margin-bottom: 10px;
  }

  .footer-links a {
    color: #94a3b8;
    font-size: 0.88rem;
  }

  .footer-links a:hover {
    color: var(--brand-accent);
  }

  .footer-bottom {
    margin-top: 50px;
    padding-top: 25px;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 0.82rem;
    color: #64748b;
  }

  @media (max-width: 991px) {
    .section-padding {
      padding: 60px 0;
    }
    .hero-roadmap {
      padding: 60px 0;
    }
    .roadmap-preview-board {
      margin-top: 36px;
    }
  }

/* roulang page: category2 */
:root {
      --brand-primary: #0f172a;
      --brand-accent: #f97316;
      --brand-accent-hover: #ea580c;
      --brand-accent-subtle: #fff7ed;
      --brand-dark: #020617;
      --brand-surface: #ffffff;
      --brand-surface-alt: #f8fafc;
      --brand-border: #e2e8f0;
      --brand-text: #1e293b;
      --brand-text-muted: #64748b;
      --brand-text-light: #94a3b8;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
      --transition: all 0.24s cubic-bezier(0.16, 1, 0.3, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--brand-surface-alt);
      color: var(--brand-text);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    a:hover {
      color: var(--brand-accent);
    }
    .btn-primary-custom {
      background-color: var(--brand-accent);
      color: #ffffff;
      border: 1px solid var(--brand-accent);
      padding: 10px 24px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 0.95rem;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 2px 8px rgba(249, 115, 22, 0.25);
      transition: var(--transition);
    }
    .btn-primary-custom:hover {
      background-color: var(--brand-accent-hover);
      border-color: var(--brand-accent-hover);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
      transform: translateY(-1px);
    }
    .btn-outline-custom {
      background: transparent;
      color: var(--brand-text);
      border: 1px solid var(--brand-border);
      padding: 10px 24px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 0.95rem;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition);
    }
    .btn-outline-custom:hover {
      border-color: var(--brand-dark);
      background-color: var(--brand-dark);
      color: #ffffff;
    }
    .main-header {
      background-color: #ffffff;
      border-bottom: 1px solid var(--brand-border);
      position: sticky;
      top: 0;
      z-index: 1030;
    }
    .navbar-brand-custom {
      font-weight: 800;
      font-size: 1.35rem;
      color: var(--brand-primary);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .navbar-brand-custom i {
      color: var(--brand-accent);
      font-size: 1.45rem;
    }
    .nav-link-custom {
      font-weight: 500;
      font-size: 0.92rem;
      color: var(--brand-text);
      padding: 8px 16px;
      border-radius: var(--radius-sm);
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--brand-accent);
      background-color: var(--brand-accent-subtle);
    }
    .search-box-pill {
      background-color: #f1f5f9;
      border: 1px solid var(--brand-border);
      border-radius: 20px;
      padding: 5px 14px;
      display: flex;
      align-items: center;
      gap: 6px;
      width: 220px;
    }
    .search-box-pill input {
      border: none;
      background: transparent;
      font-size: 0.85rem;
      outline: none;
      width: 100%;
    }
    .section-padding {
      padding: 72px 0;
    }
    .section-padding-sm {
      padding: 48px 0;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.8px;
      color: var(--brand-accent);
      background: var(--brand-accent-subtle);
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--brand-primary);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 0.96rem;
      color: var(--brand-text-muted);
      max-width: 680px;
      line-height: 1.7;
    }
    .ui-card {
      background: #ffffff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-md);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .ui-card:hover {
      border-color: #cbd5e1;
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }
    /* Hero 拼团转化样式 */
    .hero-matrix {
      background: linear-gradient(135deg, #0b1329 0%, #1e293b 100%);
      color: #ffffff;
      padding: 70px 0 85px;
      position: relative;
    }
    .hero-h1 {
      font-size: 2.5rem;
      font-weight: 900;
      letter-spacing: -0.8px;
      line-height: 1.3;
      margin-bottom: 18px;
      color: #ffffff;
    }
    .hero-lead {
      font-size: 1.02rem;
      color: #cbd5e1;
      line-height: 1.8;
      margin-bottom: 26px;
    }
    .team-buy-card {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 24px;
      backdrop-filter: blur(10px);
      box-shadow: 0 16px 36px rgba(0,0,0,0.3);
    }
    .team-progress-bar {
      height: 8px;
      background-color: rgba(255, 255, 255, 0.15);
      border-radius: 4px;
      overflow: hidden;
    }
    .team-progress-fill {
      height: 100%;
      background: linear-gradient(90deg, #f97316, #fb923c);
      width: 78%;
      border-radius: 4px;
    }
    .avatar-stack {
      display: flex;
      align-items: center;
    }
    .avatar-stack span {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: bold;
      color: #fff;
      border: 2px solid #0f172a;
      margin-left: -8px;
    }
    .avatar-stack span:first-child {
      margin-left: 0;
    }
    /* 指标走势条 */
    .metric-badge-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 18px;
    }
    .metric-stat-box {
      background: #ffffff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-md);
      padding: 20px;
    }
    .heat-spark-line {
      display: flex;
      align-items: flex-end;
      gap: 4px;
      height: 36px;
      margin-top: 14px;
    }
    .heat-bar {
      flex: 1;
      background: #e2e8f0;
      border-radius: 2px;
      transition: height 0.3s ease;
    }
    .heat-bar.high {
      background: var(--brand-accent);
    }
    /* 服务矩阵分集卡 */
    .service-grid-card {
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-md);
      background: #ffffff;
      padding: 22px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .service-grid-card:hover {
      border-color: var(--brand-accent);
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .status-capsule {
      font-size: 0.72rem;
      padding: 2px 8px;
      border-radius: 12px;
      font-weight: 600;
    }
    .status-active {
      background-color: #dcfce7;
      color: #15803d;
    }
    .status-syncing {
      background-color: #ffedd5;
      color: #c2410c;
    }
    /* 对比板块 */
    .compare-container {
      background: #ffffff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-lg);
      padding: 28px;
    }
    .progress-custom-box {
      background-color: #f1f5f9;
      border-radius: 6px;
      height: 10px;
      overflow: hidden;
      margin: 8px 0;
    }
    .progress-custom-inner {
      background: var(--brand-accent);
      height: 100%;
    }
    /* 时间轴 */
    .timeline-stream {
      position: relative;
      padding-left: 28px;
    }
    .timeline-stream::before {
      content: '';
      position: absolute;
      left: 7px;
      top: 8px;
      bottom: 8px;
      width: 2px;
      background: var(--brand-border);
    }
    .timeline-node {
      position: relative;
      margin-bottom: 28px;
    }
    .timeline-dot {
      position: absolute;
      left: -28px;
      top: 6px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: var(--brand-accent);
      border: 3px solid #ffffff;
      box-shadow: 0 0 0 1px var(--brand-border);
    }
    /* 评价反馈 */
    .review-bubble {
      background: #ffffff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-md);
      padding: 20px;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    /* 表单与转化区 */
    .inquiry-panel {
      background: #ffffff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }
    .form-control-custom {
      border: 1px solid var(--brand-border);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      width: 100%;
    }
    .form-control-custom:focus {
      outline: none;
      border-color: var(--brand-accent);
      box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
    }
    /* 页脚 */
    .footer-wrapper {
      background-color: var(--brand-dark);
      color: #94a3b8;
      padding: 70px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-brand {
      color: #ffffff;
      font-size: 1.35rem;
      font-weight: 800;
      letter-spacing: -0.5px;
    }
    .footer-title {
      color: #ffffff;
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #94a3b8;
      font-size: 0.88rem;
    }
    .footer-links a:hover {
      color: #ffffff;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 50px;
      padding-top: 24px;
      font-size: 0.82rem;
    }
    @media (max-width: 991px) {
      .hero-h1 { font-size: 2.1rem; }
      .section-title { font-size: 1.6rem; }
    }
    @media (max-width: 576px) {
      .hero-h1 { font-size: 1.75rem; }
      .section-padding { padding: 50px 0; }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}