/* roulang page: index */
:root {
      --primary-blue: #0b4f8a;
      --primary-dark: #072a4d;
      --secondary-teal: #0fa3b1;
      --soft-bg: #f4f8fc;
      --card-bg: #ffffff;
      --border-color: #dbe5ee;
      --text-main: #1f2937;
      --text-muted: #596780;
      --accent-green: #10b981;
      --accent-orange: #f59e0b;
      --shadow-sm: 0 2px 8px rgba(11, 79, 138, 0.06);
      --shadow-md: 0 10px 24px rgba(11, 79, 138, 0.08);
      --shadow-lg: 0 18px 40px rgba(11, 79, 138, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #ffffff;
      line-height: 1.65;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }

    /* 顶部导航 */
    .site-header {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1020;
      box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }
    .brand-logo-text {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--primary-blue);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .brand-logo-text i {
      font-size: 1.5rem;
      color: var(--secondary-teal);
    }
    .nav-link-custom {
      font-weight: 500;
      color: var(--text-main);
      padding: 0.55rem 0.95rem;
      border-radius: var(--radius-sm);
      font-size: 0.98rem;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--primary-blue);
      background-color: var(--soft-bg);
    }
    .btn-cta-secondary {
      background-color: #edf5fc;
      color: var(--primary-blue);
      font-weight: 600;
      border: 1px solid #c9e0f5;
      padding: 0.5rem 1.15rem;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      transition: all 0.2s ease;
    }
    .btn-cta-secondary:hover {
      background-color: #dbeffd;
      color: var(--primary-blue);
    }
    .btn-cta-primary {
      background-color: var(--primary-blue);
      color: #ffffff;
      font-weight: 600;
      border: 1px solid var(--primary-blue);
      padding: 0.5rem 1.25rem;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      box-shadow: 0 4px 12px rgba(11, 79, 138, 0.25);
      transition: all 0.2s ease;
    }
    .btn-cta-primary:hover {
      background-color: #093f6e;
      color: #ffffff;
      box-shadow: 0 6px 16px rgba(11, 79, 138, 0.35);
    }

    /* 板块通用间距与视觉 */
    .section-padding {
      padding: 5rem 0;
    }
    .section-bg-soft {
      background-color: var(--soft-bg);
    }
    .section-badge {
      display: inline-block;
      padding: 0.35rem 0.9rem;
      background-color: rgba(11, 79, 138, 0.08);
      color: var(--primary-blue);
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: 50px;
      margin-bottom: 0.85rem;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--primary-dark);
      letter-spacing: -0.5px;
      margin-bottom: 0.9rem;
    }
    .section-intro {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 780px;
      margin-bottom: 2.5rem;
    }

    /* Hero 板块 */
    .hero-section {
      background: linear-gradient(135deg, #f7faff 0%, #edf5fc 100%);
      padding: 5.5rem 0 4.5rem;
      position: relative;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-h1 {
      font-size: 2.75rem;
      font-weight: 900;
      color: var(--primary-dark);
      line-height: 1.25;
      margin-bottom: 1.25rem;
    }
    .hero-desc {
      font-size: 1.1rem;
      color: #435368;
      line-height: 1.8;
      margin-bottom: 2rem;
    }
    .hero-reservation-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      padding: 2rem;
    }
    .slot-pill {
      border: 1px solid var(--border-color);
      padding: 0.65rem 0.85rem;
      border-radius: var(--radius-sm);
      text-align: center;
      cursor: pointer;
      font-size: 0.88rem;
      background: #fbfdff;
      transition: all 0.2s;
    }
    .slot-pill.active, .slot-pill:hover {
      border-color: var(--primary-blue);
      background-color: #edf6ff;
      color: var(--primary-blue);
      font-weight: 600;
    }

    /* 仪表盘 KPI 数据条 */
    .kpi-board {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      padding: 1.8rem;
    }
    .kpi-item {
      border-right: 1px solid var(--border-color);
      padding: 0 1.5rem;
    }
    .kpi-item:last-child {
      border-right: none;
    }
    .kpi-num {
      font-size: 2.4rem;
      font-weight: 800;
      color: var(--primary-blue);
      line-height: 1.1;
    }
    .kpi-label {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 500;
      margin-top: 0.35rem;
    }

    /* 卡片与组件微调 */
    .feature-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 2.2rem 1.8rem;
      height: 100%;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s, box-shadow 0.25s;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #b9d7f5;
    }
    .feature-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 10px;
      background-color: #e9f3fc;
      color: var(--primary-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 1.35rem;
    }
    .feature-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 0.75rem;
    }
    .feature-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 0;
    }

    /* 专家团队卡片 */
    .team-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .team-card-body {
      padding: 1.5rem;
    }
    .team-avatar {
      width: 100%;
      height: 240px;
      object-fit: cover;
    }

    /* 工艺与架构交替 Band */
    .process-band {
      display: flex;
      align-items: center;
      margin-bottom: 3.5rem;
    }
    .process-band:last-child {
      margin-bottom: 0;
    }
    .process-img {
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      width: 100%;
      height: 320px;
      object-fit: cover;
    }

    /* 资讯列表卡片 */
    .news-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      height: 100%;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
    }
    .news-img {
      height: 180px;
      width: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 1.5rem;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    /* 预约申请表单卡片 */
    .booking-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 3rem;
      box-shadow: var(--shadow-lg);
    }
    .form-control-custom, .form-select-custom {
      border: 1px solid var(--border-color);
      padding: 0.75rem 1rem;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      background-color: #fafcff;
    }
    .form-control-custom:focus, .form-select-custom:focus {
      border-color: var(--primary-blue);
      box-shadow: 0 0 0 3px rgba(11, 79, 138, 0.12);
      outline: none;
      background-color: #ffffff;
    }

    /* 页脚 */
    .site-footer {
      background-color: #0d1e32;
      color: #9ab0c7;
      padding: 4.5rem 0 2rem;
      border-top: 1px solid #1c324e;
    }
    .footer-brand {
      font-size: 1.25rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 1rem;
      display: inline-block;
    }
    .footer-title {
      color: #ffffff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 1.2rem;
    }
    .footer-links li {
      margin-bottom: 0.65rem;
      list-style: none;
    }
    .footer-links {
      padding-left: 0;
    }
    .footer-links a:hover {
      color: #ffffff;
    }
    .footer-bottom {
      border-top: 1px solid #1c324e;
      padding-top: 2rem;
      margin-top: 3.5rem;
      font-size: 0.88rem;
    }

    @media (max-width: 991px) {
      .hero-h1 { font-size: 2.2rem; }
      .kpi-item { border-right: none; border-bottom: 1px solid var(--border-color); padding: 1rem 0; }
      .kpi-item:last-child { border-bottom: none; }
      .process-band { flex-direction: column !important; }
      .process-band .col-lg-6 { width: 100%; margin-bottom: 1.5rem; }
    }

/* roulang page: category2 */
:root {
      --primary-blue: #0b4f8a;
      --primary-dark: #072a4d;
      --secondary-teal: #0fa3b1;
      --soft-bg: #f4f8fc;
      --card-bg: #ffffff;
      --border-color: #dbe5ee;
      --text-main: #1f2937;
      --text-muted: #596780;
      --accent-green: #10b981;
      --accent-orange: #f59e0b;
      --shadow-sm: 0 2px 8px rgba(11, 79, 138, 0.06);
      --shadow-md: 0 10px 24px rgba(11, 79, 138, 0.08);
      --shadow-lg: 0 18px 40px rgba(11, 79, 138, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #ffffff;
      line-height: 1.65;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }
    .site-header {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1020;
      box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }
    .brand-logo-text {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--primary-blue);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .brand-logo-text i {
      font-size: 1.5rem;
      color: var(--secondary-teal);
    }
    .nav-link-custom {
      font-weight: 500;
      color: var(--text-main);
      padding: 0.55rem 0.95rem;
      border-radius: var(--radius-sm);
      font-size: 0.98rem;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--primary-blue);
      background-color: var(--soft-bg);
    }
    .btn-cta-secondary {
      background-color: #edf5fc;
      color: var(--primary-blue);
      font-weight: 600;
      border: 1px solid #c9e0f5;
      padding: 0.5rem 1.15rem;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      transition: all 0.2s ease;
    }
    .btn-cta-secondary:hover {
      background-color: #dbeffd;
      color: var(--primary-blue);
    }
    .btn-cta-primary {
      background-color: var(--primary-blue);
      color: #ffffff;
      font-weight: 600;
      border: 1px solid var(--primary-blue);
      padding: 0.5rem 1.25rem;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      box-shadow: 0 4px 12px rgba(11, 79, 138, 0.25);
      transition: all 0.2s ease;
    }
    .btn-cta-primary:hover {
      background-color: #093f6e;
      color: #ffffff;
      box-shadow: 0 6px 16px rgba(11, 79, 138, 0.35);
    }

    .section-padding {
      padding: 4.8rem 0;
    }
    .section-bg-soft {
      background-color: var(--soft-bg);
    }
    .section-badge {
      display: inline-block;
      padding: 0.35rem 0.9rem;
      background-color: rgba(11, 79, 138, 0.08);
      color: var(--primary-blue);
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: 50px;
      margin-bottom: 0.85rem;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--primary-dark);
      letter-spacing: -0.5px;
      margin-bottom: 0.9rem;
    }
    .section-intro {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 760px;
      margin-bottom: 2.5rem;
    }

    /* 试用申请 Hero 板块 */
    .trial-hero {
      background: linear-gradient(135deg, #f7faff 0%, #edf5fc 100%);
      padding: 4.5rem 0 4rem;
      border-bottom: 1px solid var(--border-color);
    }
    .trial-panel {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      padding: 2.2rem;
    }
    .badge-pill-light {
      background: #e8f3fd;
      color: var(--primary-blue);
      font-weight: 600;
      border-radius: 20px;
      padding: 0.35rem 0.8rem;
      font-size: 0.82rem;
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
    }
    .kpi-board {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      background: #ffffff;
      padding: 1.5rem;
      box-shadow: var(--shadow-sm);
    }
    .kpi-num {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--primary-blue);
      line-height: 1.2;
    }

    /* 矩阵卡片体系 */
    .matrix-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.8rem;
      height: 100%;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }
    .matrix-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #a4cefa;
    }
    .spec-table {
      width: 100%;
      font-size: 0.9rem;
    }
    .spec-table td, .spec-table th {
      padding: 0.75rem 0.6rem;
      border-bottom: 1px solid #edf2f7;
    }
    .spec-table th {
      color: var(--primary-dark);
      font-weight: 600;
      background: #f8fafc;
    }

    /* 流程与画质比较 */
    .process-step-item {
      position: relative;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.8rem 1.4rem;
      height: 100%;
    }
    .step-badge {
      width: 36px;
      height: 36px;
      background: var(--primary-blue);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      margin-bottom: 1rem;
    }

    /* 深度资讯卡片 */
    .doc-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s;
    }
    .doc-card:hover {
      box-shadow: var(--shadow-md);
    }
    .doc-thumb {
      height: 200px;
      width: 100%;
      object-fit: cover;
    }
    .doc-content {
      padding: 1.5rem;
    }

    /* 页脚 */
    .site-footer {
      background-color: #0b1a2d;
      color: #cad6e2;
      padding: 4.5rem 0 2rem;
      border-top: 1px solid #1a2f4c;
    }
    .footer-brand {
      font-size: 1.25rem;
      font-weight: 800;
      color: #ffffff;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .footer-logo-badge {
      background: var(--secondary-teal);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 0.15rem 0.45rem;
      border-radius: 4px;
    }
    .footer-heading {
      color: #ffffff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
    }
    .footer-links li {
      margin-bottom: 0.65rem;
    }
    .footer-links a {
      color: #9cb1c9;
      font-size: 0.92rem;
    }
    .footer-links a:hover {
      color: #ffffff;
      padding-left: 3px;
    }
    .footer-bottom {
      border-top: 1px solid #182d47;
      padding-top: 1.8rem;
      margin-top: 3.5rem;
      font-size: 0.85rem;
      color: #7d96b3;
    }

    @media (max-width: 991px) {
      .hero-h1 { font-size: 2.2rem; }
      .section-title { font-size: 1.85rem; }
      .kpi-board { margin-top: 1.5rem; }
    }

/* roulang page: category1 */
:root {
        --primary-blue: #0b4f8a;
        --primary-dark: #072a4d;
        --secondary-teal: #0fa3b1;
        --soft-bg: #f4f8fc;
        --card-bg: #ffffff;
        --border-color: #dbe5ee;
        --text-main: #1f2937;
        --text-muted: #596780;
        --accent-green: #10b981;
        --accent-orange: #f59e0b;
        --shadow-sm: 0 2px 8px rgba(11, 79, 138, 0.06);
        --shadow-md: 0 10px 24px rgba(11, 79, 138, 0.08);
        --shadow-lg: 0 18px 40px rgba(11, 79, 138, 0.12);
        --radius-sm: 6px;
        --radius-md: 12px;
        --radius-lg: 18px;
    }
    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        color: var(--text-main);
        background-color: #ffffff;
        line-height: 1.65;
        overflow-x: hidden;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: all 0.25s ease;
    }
    /* 顶部导航 */
    .site-header {
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        position: sticky;
        top: 0;
        z-index: 1020;
        box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }
    .brand-logo-text {
        font-size: 1.3rem;
        font-weight: 800;
        color: var(--primary-blue);
        letter-spacing: -0.5px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .brand-logo-text i {
        font-size: 1.5rem;
        color: var(--secondary-teal);
    }
    .nav-link-custom {
        font-weight: 500;
        color: var(--text-main);
        padding: 0.55rem 0.95rem;
        border-radius: var(--radius-sm);
        font-size: 0.98rem;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
        color: var(--primary-blue);
        background-color: var(--soft-bg);
    }
    .btn-cta-secondary {
        background-color: #edf5fc;
        color: var(--primary-blue);
        font-weight: 600;
        border: 1px solid #c9e0f5;
        padding: 0.5rem 1.15rem;
        border-radius: var(--radius-sm);
        font-size: 0.92rem;
        transition: all 0.2s ease;
    }
    .btn-cta-secondary:hover {
        background-color: #dbeffd;
        color: var(--primary-blue);
    }
    .btn-cta-primary {
        background-color: var(--primary-blue);
        color: #ffffff;
        font-weight: 600;
        border: 1px solid var(--primary-blue);
        padding: 0.5rem 1.25rem;
        border-radius: var(--radius-sm);
        font-size: 0.92rem;
        box-shadow: 0 4px 12px rgba(11, 79, 138, 0.25);
        transition: all 0.2s ease;
    }
    .btn-cta-primary:hover {
        background-color: #093f6e;
        color: #ffffff;
        box-shadow: 0 6px 16px rgba(11, 79, 138, 0.35);
    }
    /* 板块通用间距与视觉 */
    .section-padding {
        padding: 4.8rem 0;
    }
    .section-bg-soft {
        background-color: var(--soft-bg);
    }
    .section-badge {
        display: inline-block;
        padding: 0.35rem 0.9rem;
        background-color: rgba(11, 79, 138, 0.08);
        color: var(--primary-blue);
        font-size: 0.85rem;
        font-weight: 700;
        border-radius: 50px;
        margin-bottom: 0.85rem;
        letter-spacing: 0.5px;
    }
    .section-title {
        font-size: 2.15rem;
        font-weight: 800;
        color: var(--primary-dark);
        letter-spacing: -0.5px;
        margin-bottom: 0.9rem;
    }
    .section-intro {
        font-size: 1.05rem;
        color: var(--text-muted);
        max-width: 780px;
        margin-bottom: 2.5rem;
    }
    /* 全宽活动 KV Hero */
    .node-hero-immersive {
        position: relative;
        background: linear-gradient(rgba(7, 42, 77, 0.82), rgba(11, 79, 138, 0.88)), url('/assets/images/501372e47c9fadad.webp') center/cover no-repeat;
        color: #ffffff;
        padding: 5.5rem 0 5rem;
    }
    .hero-immersive-content {
        max-width: 820px;
    }
    .hero-countdown-bar {
        background: rgba(255, 255, 255, 0.12);
        backdrop-filter: blur(8px);
        border: 1px solid rgba(255, 255, 255, 0.25);
        border-radius: var(--radius-md);
        padding: 1rem 1.5rem;
        margin-bottom: 2rem;
        display: inline-flex;
        align-items: center;
        gap: 1.5rem;
    }
    .countdown-timer-group {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    .timer-unit {
        background: #ffffff;
        color: var(--primary-dark);
        font-weight: 800;
        font-size: 1.15rem;
        padding: 0.25rem 0.55rem;
        border-radius: 4px;
        min-width: 38px;
        text-align: center;
    }
    /* 专线节点卡片 */
    .node-card {
        background: #ffffff;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 1.8rem;
        box-shadow: var(--shadow-sm);
        transition: all 0.25s ease;
        height: 100%;
        display: flex;
        flex-direction: column;
    }
    .node-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
        border-color: #b3d4f5;
    }
    .node-status-indicator {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.8rem;
        font-weight: 600;
        padding: 0.25rem 0.6rem;
        border-radius: 20px;
    }
    .node-status-online {
        background-color: #ecfdf5;
        color: #065f46;
    }
    /* 仪表盘统计面板 */
    .metric-box {
        background: #ffffff;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 1.8rem;
        text-align: center;
        box-shadow: var(--shadow-sm);
    }
    .metric-value {
        font-size: 2.6rem;
        font-weight: 800;
        color: var(--primary-blue);
        line-height: 1;
        margin-bottom: 0.4rem;
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    }
    /* 流程步骤 */
    .pipeline-step {
        background: #ffffff;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 1.8rem;
        position: relative;
        height: 100%;
    }
    .pipeline-num {
        width: 40px;
        height: 40px;
        background: #edf5fc;
        color: var(--primary-blue);
        font-weight: 800;
        font-size: 1.1rem;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 1.2rem;
    }
    /* 资讯卡片与图文 */
    .info-article-card {
        background: #ffffff;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        overflow: hidden;
        height: 100%;
        box-shadow: var(--shadow-sm);
    }
    .info-article-card img {
        width: 100%;
        height: 190px;
        object-fit: cover;
    }
    .info-article-body {
        padding: 1.5rem;
    }
    /* 保障带 */
    .guarantee-strip {
        background: linear-gradient(90deg, #072a4d 0%, #0b4f8a 100%);
        color: #ffffff;
        padding: 2.5rem 0;
        border-radius: var(--radius-md);
    }
    /* 页脚 */
    .site-footer {
        background-color: #0b1a2d;
        color: #cbd5e1;
        padding: 4.5rem 0 2rem;
        border-top: 1px solid #1e293b;
    }
    .footer-brand {
        font-size: 1.25rem;
        font-weight: 800;
        color: #ffffff;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .footer-logo-badge {
        background: var(--secondary-teal);
        color: #ffffff;
        padding: 0.2rem 0.6rem;
        border-radius: 4px;
        font-size: 0.85rem;
    }
    .footer-heading {
        color: #ffffff;
        font-size: 1.05rem;
        font-weight: 700;
        margin-bottom: 1.2rem;
    }
    .footer-links li {
        margin-bottom: 0.6rem;
    }
    .footer-links a {
        color: #94a3b8;
        font-size: 0.92rem;
    }
    .footer-links a:hover {
        color: #ffffff;
        padding-left: 4px;
    }
    .footer-bottom {
        border-top: 1px solid #1e293b;
        padding-top: 2rem;
        margin-top: 2rem;
        font-size: 0.88rem;
        color: #64748b;
    }
    @media (max-width: 991.98px) {
        .hero-countdown-bar {
            flex-direction: column;
            align-items: flex-start;
            gap: 0.8rem;
        }
        .section-title {
            font-size: 1.85rem;
        }
    }

/* roulang page: category3 */
:root {
      --primary-blue: #0b4f8a;
      --primary-dark: #072a4d;
      --secondary-teal: #0fa3b1;
      --soft-bg: #f4f8fc;
      --card-bg: #ffffff;
      --border-color: #dbe5ee;
      --text-main: #1f2937;
      --text-muted: #596780;
      --accent-green: #10b981;
      --accent-orange: #f59e0b;
      --shadow-sm: 0 2px 8px rgba(11, 79, 138, 0.06);
      --shadow-md: 0 10px 24px rgba(11, 79, 138, 0.08);
      --shadow-lg: 0 18px 40px rgba(11, 79, 138, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #ffffff;
      line-height: 1.65;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }

    /* 顶部导航 */
    .site-header {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1020;
      box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }
    .brand-logo-text {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--primary-blue);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .brand-logo-text i {
      font-size: 1.5rem;
      color: var(--secondary-teal);
    }
    .nav-link-custom {
      font-weight: 500;
      color: var(--text-main);
      padding: 0.55rem 0.95rem;
      border-radius: var(--radius-sm);
      font-size: 0.98rem;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--primary-blue);
      background-color: var(--soft-bg);
    }
    .btn-cta-secondary {
      background-color: #edf5fc;
      color: var(--primary-blue);
      font-weight: 600;
      border: 1px solid #c9e0f5;
      padding: 0.5rem 1.15rem;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      transition: all 0.2s ease;
      display: inline-flex;
      align-items: center;
    }
    .btn-cta-secondary:hover {
      background-color: #dbeffd;
      color: var(--primary-blue);
    }
    .btn-cta-primary {
      background-color: var(--primary-blue);
      color: #ffffff;
      font-weight: 600;
      border: 1px solid var(--primary-blue);
      padding: 0.5rem 1.25rem;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      box-shadow: 0 4px 12px rgba(11, 79, 138, 0.25);
      transition: all 0.2s ease;
      display: inline-flex;
      align-items: center;
    }
    .btn-cta-primary:hover {
      background-color: #093f6e;
      color: #ffffff;
      box-shadow: 0 6px 16px rgba(11, 79, 138, 0.35);
    }

    /* 板块通用间距与视觉 */
    .section-padding {
      padding: 4.8rem 0;
    }
    .section-bg-soft {
      background-color: var(--soft-bg);
    }
    .section-badge {
      display: inline-block;
      padding: 0.35rem 0.9rem;
      background-color: rgba(11, 79, 138, 0.08);
      color: var(--primary-blue);
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: 50px;
      margin-bottom: 0.85rem;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--primary-dark);
      letter-spacing: -0.5px;
      margin-bottom: 0.9rem;
    }
    .section-intro {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 780px;
      margin-bottom: 2.5rem;
    }

    /* 内页特有 Hero 蓝图：双栏门户（左主张，右快捷入口网格） */
    .category-hero {
      background: linear-gradient(135deg, #f7faff 0%, #edf5fc 100%);
      padding: 4.5rem 0 4rem;
      position: relative;
      border-bottom: 1px solid var(--border-color);
    }
    .category-h1 {
      font-size: 2.5rem;
      font-weight: 900;
      color: var(--primary-dark);
      line-height: 1.28;
      margin-bottom: 1.2rem;
    }
    .category-desc {
      font-size: 1.08rem;
      color: #435368;
      line-height: 1.8;
      margin-bottom: 1.8rem;
    }

    .portal-quick-grid {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      padding: 1.75rem;
    }
    .quick-entry-item {
      background: #fafcfe;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1rem 1.15rem;
      transition: all 0.25s ease;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 12px;
      height: 100%;
    }
    .quick-entry-item:hover {
      border-color: var(--primary-blue);
      background: #ffffff;
      box-shadow: var(--shadow-sm);
      transform: translateY(-2px);
    }
    .quick-entry-icon {
      width: 42px;
      height: 42px;
      border-radius: 8px;
      background: #eaf3fb;
      color: var(--primary-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      flex-shrink: 0;
    }

    /* 24H 矩阵排期时钟与数据看板 */
    .timeline-matrix-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }
    .timeline-row {
      display: grid;
      grid-template-columns: 140px 1fr 140px 120px;
      align-items: center;
      padding: 1.25rem 1.5rem;
      border-bottom: 1px solid #edf2f7;
      transition: background 0.2s;
    }
    .timeline-row:last-child {
      border-bottom: none;
    }
    .timeline-row:hover {
      background-color: #fafcfe;
    }
    .time-slot-badge {
      font-weight: 700;
      color: var(--primary-blue);
      font-size: 1.05rem;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .status-pill {
      font-size: 0.8rem;
      font-weight: 600;
      padding: 0.3rem 0.65rem;
      border-radius: 20px;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .status-peak {
      background: #fff3e6;
      color: #d97706;
      border: 1px solid #fed7aa;
    }
    .status-optimal {
      background: #ecfdf5;
      color: #059669;
      border: 1px solid #a7f3d0;
    }
    .status-standby {
      background: #eff6ff;
      color: #2563eb;
      border: 1px solid #bfdbfe;
    }

    /* 数据指标卡片与分流图谱 */
    .metric-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.75rem;
      box-shadow: var(--shadow-sm);
      position: relative;
      overflow: hidden;
      height: 100%;
    }
    .metric-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: var(--primary-blue);
    }
    .metric-number {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--primary-dark);
      line-height: 1.1;
      margin-bottom: 0.35rem;
    }

    /* 调度架构卡片 */
    .arch-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 2rem;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      height: 100%;
    }
    .arch-card:hover {
      box-shadow: var(--shadow-md);
      border-color: #b9d7f5;
      transform: translateY(-3px);
    }
    .arch-icon {
      width: 50px;
      height: 50px;
      border-radius: 10px;
      background: #eaf3fb;
      color: var(--primary-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 1.25rem;
    }

    /* 资讯与技术速递 */
    .article-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.5rem;
      display: flex;
      gap: 1.25rem;
      transition: all 0.25s;
    }
    .article-item:hover {
      box-shadow: var(--shadow-sm);
      border-color: #cbd5e1;
    }
    .article-thumb {
      width: 140px;
      height: 95px;
      border-radius: var(--radius-sm);
      object-fit: cover;
      flex-shrink: 0;
    }

    /* 常见疑问解答 */
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.35rem 1.6rem;
      margin-bottom: 1rem;
      box-shadow: var(--shadow-sm);
    }
    .faq-q {
      font-weight: 700;
      color: var(--primary-dark);
      font-size: 1.05rem;
      margin-bottom: 0.5rem;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .faq-q i {
      color: var(--secondary-teal);
    }
    .faq-a {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin: 0;
    }

    /* 页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 4.5rem 0 2rem;
      margin-top: 0;
    }
    .footer-brand {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--primary-blue);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-logo-badge {
      background: var(--primary-blue);
      color: #fff;
      font-size: 0.8rem;
      padding: 0.2rem 0.55rem;
      border-radius: 4px;
    }
    .footer-heading {
      font-size: 1rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 1.25rem;
      letter-spacing: -0.3px;
    }
    .footer-links li {
      margin-bottom: 0.65rem;
    }
    .footer-links a {
      color: var(--text-muted);
      font-size: 0.92rem;
    }
    .footer-links a:hover {
      color: var(--primary-blue);
      padding-left: 3px;
    }
    .footer-bottom {
      border-top: 1px solid #edf2f7;
      padding-top: 1.8rem;
      margin-top: 2rem;
      color: #8c9ba8;
      font-size: 0.88rem;
    }

    @media (max-width: 991.98px) {
      .timeline-row {
        grid-template-columns: 1fr;
        gap: 0.75rem;
      }
      .category-h1 {
        font-size: 2rem;
      }
    }
    @media (max-width: 575.98px) {
      .article-item {
        flex-direction: column;
      }
      .article-thumb {
        width: 100%;
        height: 150px;
      }
      .section-padding {
        padding: 3.5rem 0;
      }
    }

/* roulang page: category4 */
:root {
            --primary-blue: #0b4f8a;
            --primary-dark: #072a4d;
            --secondary-teal: #0fa3b1;
            --soft-bg: #f4f8fc;
            --card-bg: #ffffff;
            --border-color: #dbe5ee;
            --text-main: #1f2937;
            --text-muted: #596780;
            --accent-green: #10b981;
            --accent-orange: #f59e0b;
            --shadow-sm: 0 2px 8px rgba(11, 79, 138, 0.06);
            --shadow-md: 0 10px 24px rgba(11, 79, 138, 0.08);
            --shadow-lg: 0 18px 40px rgba(11, 79, 138, 0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: #ffffff;
            line-height: 1.65;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.25s ease;
        }
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1020;
            box-shadow: 0 2px 10px rgba(0,0,0,0.03);
        }
        .brand-logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary-blue);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .brand-logo-text i {
            font-size: 1.5rem;
            color: var(--secondary-teal);
        }
        .nav-link-custom {
            font-weight: 500;
            color: var(--text-main);
            padding: 0.55rem 0.95rem;
            border-radius: var(--radius-sm);
            font-size: 0.98rem;
        }
        .nav-link-custom:hover, .nav-link-custom.active {
            color: var(--primary-blue);
            background-color: var(--soft-bg);
        }
        .btn-cta-secondary {
            background-color: #edf5fc;
            color: var(--primary-blue);
            font-weight: 600;
            border: 1px solid #c9e0f5;
            padding: 0.5rem 1.15rem;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            transition: all 0.2s ease;
        }
        .btn-cta-secondary:hover {
            background-color: #dbeffd;
            color: var(--primary-blue);
        }
        .btn-cta-primary {
            background-color: var(--primary-blue);
            color: #ffffff;
            font-weight: 600;
            border: 1px solid var(--primary-blue);
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            box-shadow: 0 4px 12px rgba(11, 79, 138, 0.25);
            transition: all 0.2s ease;
        }
        .btn-cta-primary:hover {
            background-color: #093f6e;
            color: #ffffff;
            box-shadow: 0 6px 16px rgba(11, 79, 138, 0.35);
        }
        .section-padding {
            padding: 5rem 0;
        }
        .section-bg-soft {
            background-color: var(--soft-bg);
        }
        .section-badge {
            display: inline-block;
            padding: 0.35rem 0.9rem;
            background-color: rgba(11, 79, 138, 0.08);
            color: var(--primary-blue);
            font-size: 0.85rem;
            font-weight: 700;
            border-radius: 50px;
            margin-bottom: 0.85rem;
            letter-spacing: 0.5px;
        }
        .section-title {
            font-size: 2.15rem;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: -0.5px;
            margin-bottom: 0.9rem;
        }
        .section-intro {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 780px;
            margin-bottom: 2.5rem;
        }
        .hero-banner-inner {
            background: linear-gradient(135deg, #f7faff 0%, #edf5fc 100%);
            border-bottom: 1px solid var(--border-color);
            padding: 4.5rem 0 4rem;
        }
        .hero-h1 {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary-dark);
            line-height: 1.3;
            margin-bottom: 1.25rem;
        }
        .kpi-board {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.75rem 2rem;
            box-shadow: var(--shadow-md);
        }
        .kpi-metric-val {
            font-size: 2.35rem;
            font-weight: 800;
            color: var(--primary-blue);
            line-height: 1;
        }
        .kpi-metric-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 0.5rem;
        }
        .feature-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 2.2rem 1.8rem;
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s, box-shadow 0.25s;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: #b9d7f5;
        }
        .feature-icon-box {
            width: 52px;
            height: 52px;
            border-radius: 10px;
            background-color: #e9f3fc;
            color: var(--primary-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1.35rem;
        }
        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.75rem;
        }
        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }
        .flow-step-box {
            background: #ffffff;
            border: 1px dashed var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            height: 100%;
            position: relative;
        }
        .flow-step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-blue);
            color: #ffffff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        .case-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            box-shadow: var(--shadow-sm);
        }
        .case-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #e2eefb;
            color: var(--primary-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
        }
        .accordion-button:not(.collapsed) {
            color: var(--primary-blue);
            background-color: #f1f7fc;
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(11, 79, 138, 0.2);
        }
        .site-footer {
            background: #ffffff;
            border-top: 1px solid var(--border-color);
            padding: 4.5rem 0 2rem;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--primary-blue);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-logo-badge {
            background: var(--primary-blue);
            color: #ffffff;
            padding: 2px 7px;
            border-radius: 4px;
            font-size: 0.82rem;
        }
        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 1.25rem;
        }
        .footer-links li {
            margin-bottom: 0.65rem;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.92rem;
        }
        .footer-links a:hover {
            color: var(--primary-blue);
        }
        .footer-bottom {
            padding-top: 2rem;
            margin-top: 3rem;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.88rem;
        }
        @media (max-width: 768px) {
            .hero-h1 {
                font-size: 1.95rem;
            }
            .section-title {
                font-size: 1.65rem;
            }
            .section-padding {
                padding: 3.5rem 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}