/* roulang page: index */
:root {
            --primary: #1c52a3;
            --primary-dark: #0f3670;
            --primary-light: #2c6dd4;
            --text-main: #1d2129;
            --text-muted: #86909c;
            --text-sub: #4e5969;
            --border-color: #e5e6eb;
            --bg-page: #f7f8fa;
            --bg-white: #ffffff;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --site-width: 1200px;
        }

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

        body {
            font-family: var(--font-family);
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.2s ease;
        }

        /* 顶部通栏条 */
        .top-notice-bar {
            background-color: #0d213a;
            color: #c9cdd4;
            font-size: 12px;
            height: 32px;
            line-height: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .top-notice-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .container {
            max-width: var(--site-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部主 Header */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 84px;
        }
        .brand-area {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .brand-logo-icon {
            width: 44px;
            height: 44px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 22px;
            letter-spacing: -1px;
            box-shadow: 0 4px 10px rgba(28, 82, 163, 0.2);
        }
        .brand-text h1 {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.2;
            color: #111;
            letter-spacing: 0.5px;
        }
        .brand-text span {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 1px;
            display: block;
            text-transform: uppercase;
            margin-top: 2px;
        }
        .header-slogan {
            font-size: 13px;
            color: var(--text-muted);
            border-left: 1px solid var(--border-color);
            padding-left: 16px;
            margin-left: 6px;
        }

        .header-search {
            position: relative;
            width: 320px;
        }
        .header-search input {
            width: 100%;
            height: 38px;
            background: #f2f3f5;
            border: 1px solid transparent;
            border-radius: 4px;
            padding: 0 36px 0 34px;
            font-size: 13px;
            color: var(--text-main);
            outline: none;
            transition: all 0.2s;
        }
        .header-search input:focus {
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(28, 82, 163, 0.1);
        }
        .search-icon-left {
            position: absolute;
            left: 10px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
            pointer-events: none;
        }
        .search-arrow-right {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 13px;
        }

        /* 主导航条 */
        .site-nav-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
        }
        .nav-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 32px;
        }
        .nav-item a {
            display: block;
            font-size: 15px;
            color: #272e3b;
            font-weight: 500;
            padding: 14px 0;
            position: relative;
        }
        .nav-item.active a,
        .nav-item a:hover {
            color: var(--primary);
        }
        .nav-item.active a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary);
        }
        .nav-extra a {
            font-size: 14px;
            color: var(--text-sub);
        }
        .nav-extra a:hover {
            color: var(--primary);
        }

        /* 顶部核心导航/导读块 */
        .hero-guide-section {
            padding: 30px 0 24px 0;
        }
        .guide-intro-header {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 24px;
        }
        .badge-tag {
            background: #0d213a;
            color: #ffffff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 2px;
        }
        .guide-intro-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: #111;
        }
        .guide-intro-header p {
            font-size: 14px;
            color: var(--text-muted);
            margin-left: 8px;
        }

        .guide-grid-banner {
            display: grid;
            grid-template-columns: 1fr 1fr 180px;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            overflow: hidden;
        }
        .guide-card-cell {
            padding: 24px 28px;
            border-right: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            position: relative;
        }
        .guide-card-cell:hover {
            background-color: #fafbfc;
        }
        .guide-cell-content .cell-num {
            font-size: 12px;
            color: var(--primary);
            font-weight: 700;
            margin-right: 8px;
        }
        .guide-cell-content h3 {
            display: inline-block;
            font-size: 18px;
            font-weight: 700;
            color: #1d2129;
            margin-bottom: 8px;
        }
        .guide-cell-content p {
            font-size: 13px;
            color: var(--text-muted);
        }
        .guide-cell-arrow {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1;
            margin-top: 4px;
        }
        .guide-action-all {
            background: var(--primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 600;
            padding: 0 20px;
            transition: background 0.2s;
        }
        .guide-action-all:hover {
            background: var(--primary-dark);
            color: #ffffff;
        }

        /* 主体双列或多栏布局 */
        .content-columns-section {
            padding-bottom: 60px;
        }
        .split-grid-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .channel-column-block {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 28px;
            display: flex;
            flex-direction: column;
        }
        .column-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 12px;
        }
        .column-title-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .vertical-indicator {
            width: 4px;
            height: 20px;
            background: var(--primary);
            border-radius: 2px;
        }
        .column-title-wrap h3 {
            font-size: 20px;
            font-weight: 700;
            color: #111;
        }
        .column-corner-link {
            font-size: 16px;
            color: var(--text-muted);
        }
        .column-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        /* 焦点大图卡片 */
        .spotlight-card {
            position: relative;
            border-radius: 4px;
            overflow: hidden;
            height: 260px;
            margin-bottom: 24px;
            background: #091321;
        }
        .spotlight-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.55;
            transition: transform 0.4s ease;
        }
        .spotlight-card:hover .spotlight-bg {
            transform: scale(1.03);
        }
        .spotlight-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(9, 19, 33, 0.95) 90%);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 24px;
        }
        .spotlight-title {
            color: #ffffff;
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            max-width: 90%;
            text-shadow: 0 2px 4px rgba(0,0,0,0.4);
        }
        .spotlight-controls {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .spotlight-index {
            color: rgba(255,255,255,0.7);
            font-size: 12px;
            letter-spacing: 1px;
            font-family: monospace;
        }
        .spotlight-buttons {
            display: flex;
            gap: 8px;
        }
        .ctrl-btn {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 1px solid rgba(255,255,255,0.3);
            background: rgba(0,0,0,0.2);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            cursor: pointer;
        }
        .ctrl-btn:hover {
            background: rgba(255,255,255,0.2);
            border-color: #fff;
        }

        /* 列表排版 */
        .news-article-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 24px;
            flex-grow: 1;
        }
        .news-list-item {
            border-bottom: 1px dashed #f0f2f5;
            padding-bottom: 14px;
        }
        .news-list-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .news-item-link {
            display: block;
        }
        .news-item-title {
            font-size: 15px;
            color: #272e3b;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 6px;
            transition: color 0.2s;
        }
        .news-item-link:hover .news-item-title {
            color: var(--primary);
        }
        .news-item-meta {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 查看更多链接 */
        .column-footer-more {
            border-top: 1px solid var(--border-color);
            padding-top: 18px;
            margin-top: auto;
        }
        .column-footer-more a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #272e3b;
            font-size: 14px;
            font-weight: 500;
        }
        .column-footer-more a:hover {
            color: var(--primary);
        }

        /* 补充业务优势板块 */
        .feature-showcase-section {
            background: #ffffff;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 48px 0;
            margin-bottom: 60px;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-box {
            padding: 20px;
            background: #fcfdfe;
            border: 1px solid #edf1f7;
            border-radius: 4px;
        }
        .feature-box h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #1d2129;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feature-box h4::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            background: var(--primary);
            border-radius: 50%;
        }
        .feature-box p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* 页脚系统 */
        .site-footer {
            background: #ffffff;
            border-top: 1px solid var(--border-color);
            padding-top: 50px;
            padding-bottom: 40px;
        }
        .footer-main-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 60px;
            margin-bottom: 40px;
        }
        .footer-brand .footer-logo-title {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .footer-logo-box {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
        }
        .footer-logo-title h3 {
            font-size: 18px;
            color: #111;
            font-weight: 700;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 420px;
        }

        .footer-col h5 {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            margin-bottom: 18px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-sub);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom-bar {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 移动端与自适应断点 */
        @media (max-width: 1024px) {
            .guide-grid-banner {
                grid-template-columns: 1fr 1fr;
            }
            .guide-action-all {
                grid-column: span 2;
                height: 48px;
            }
            .split-grid-wrapper {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-main-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .header-main {
                height: auto;
                padding: 16px 0;
                flex-direction: column;
                gap: 14px;
                align-items: flex-start;
            }
            .header-slogan {
                display: none;
            }
            .header-search {
                width: 100%;
            }
            .nav-list {
                gap: 16px;
                overflow-x: auto;
                white-space: nowrap;
                width: 100%;
                padding-bottom: 8px;
            }
            .nav-extra {
                display: none;
            }
            .guide-intro-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .guide-grid-banner {
                grid-template-columns: 1fr;
            }
            .guide-action-all {
                grid-column: span 1;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .footer-main-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

/* roulang page: category1 */
:root {
      --primary: #1c52a3;
      --primary-dark: #0f3670;
      --primary-light: #2c6dd4;
      --text-main: #1d2129;
      --text-muted: #86909c;
      --text-sub: #4e5969;
      --border-color: #e5e6eb;
      --bg-page: #f7f8fa;
      --bg-white: #ffffff;
      --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --site-width: 1200px;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: var(--font-family);
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }
    .container {
      max-width: var(--site-width);
      margin: 0 auto;
      padding: 0 20px;
    }
    .top-notice-bar {
      background: #0d213a;
      color: #9ab0cc;
      font-size: 12px;
      padding: 6px 0;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .top-notice-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .site-header {
      background: var(--bg-white);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 100;
    }
    .header-main {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 84px;
    }
    .brand-area {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .brand-logo-icon {
      width: 44px;
      height: 44px;
      background: var(--primary);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 22px;
      letter-spacing: -1px;
      box-shadow: 0 4px 10px rgba(28, 82, 163, 0.2);
    }
    .brand-text h1 {
      font-size: 20px;
      font-weight: 700;
      line-height: 1.2;
      color: #111;
      letter-spacing: 0.5px;
    }
    .brand-text span {
      font-size: 11px;
      color: var(--text-muted);
      letter-spacing: 1px;
      display: block;
      text-transform: uppercase;
      margin-top: 2px;
    }
    .header-slogan {
      font-size: 13px;
      color: var(--text-muted);
      border-left: 1px solid var(--border-color);
      padding-left: 16px;
      margin-left: 6px;
    }
    .header-search {
      position: relative;
      width: 320px;
    }
    .header-search input {
      width: 100%;
      height: 38px;
      background: #f2f3f5;
      border: 1px solid transparent;
      border-radius: 4px;
      padding: 0 36px 0 34px;
      font-size: 13px;
      color: var(--text-main);
      outline: none;
      transition: all 0.2s;
    }
    .header-search input:focus {
      background: #fff;
      border-color: var(--primary);
      box-shadow: 0 0 0 2px rgba(28, 82, 163, 0.1);
    }
    .search-icon-left {
      position: absolute;
      left: 10px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 14px;
      pointer-events: none;
    }
    .search-arrow-right {
      position: absolute;
      right: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 13px;
    }
    .site-nav-bar {
      background: var(--bg-white);
      border-bottom: 1px solid var(--border-color);
    }
    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .nav-list {
      display: flex;
      list-style: none;
      gap: 32px;
    }
    .nav-item a {
      display: block;
      font-size: 15px;
      color: #272e3b;
      font-weight: 500;
      padding: 14px 0;
      position: relative;
    }
    .nav-item.active a,
    .nav-item a:hover {
      color: var(--primary);
    }
    .nav-item.active a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--primary);
    }
    .nav-extra a {
      font-size: 14px;
      color: var(--text-sub);
    }
    .nav-extra a:hover {
      color: var(--primary);
    }
    .category-hero {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      padding: 40px 0 36px 0;
    }
    .cat-head-row {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 30px;
    }
    .cat-head-main {
      flex: 1;
    }
    .cat-tag-pill {
      display: inline-block;
      background: #e8f3ff;
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 12px;
    }
    .cat-head-main h2 {
      font-size: 28px;
      font-weight: 700;
      color: #111;
      margin-bottom: 10px;
      letter-spacing: 0.3px;
    }
    .cat-head-main p {
      font-size: 15px;
      color: var(--text-sub);
      line-height: 1.7;
      max-width: 760px;
    }
    .cat-stat-strip {
      display: flex;
      gap: 24px;
      background: #f7f9fc;
      border: 1px solid var(--border-color);
      padding: 16px 24px;
      border-radius: 6px;
    }
    .stat-strip-item {
      text-align: center;
      min-width: 90px;
    }
    .stat-strip-num {
      font-size: 22px;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.2;
    }
    .stat-strip-label {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 4px;
    }
    .scheme-section {
      padding: 36px 0 20px 0;
    }
    .sec-block-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 20px;
    }
    .sec-title-left {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .sec-title-left::before {
      content: '';
      width: 4px;
      height: 18px;
      background: var(--primary);
      display: inline-block;
    }
    .sec-title-left h3 {
      font-size: 20px;
      font-weight: 700;
      color: #111;
    }
    .sec-title-left span {
      font-size: 13px;
      color: var(--text-muted);
      margin-left: 8px;
    }
    .scheme-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .scheme-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 24px;
      transition: all 0.2s ease;
    }
    .scheme-card:hover {
      box-shadow: 0 8px 24px rgba(0,0,0,0.06);
      transform: translateY(-2px);
      border-color: #cbd5e1;
    }
    .scheme-top-badge {
      font-size: 12px;
      color: var(--primary);
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 8px;
    }
    .scheme-card h4 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
      color: #111;
    }
    .scheme-card p {
      font-size: 13.5px;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .scheme-points {
      list-style: none;
      border-top: 1px dashed var(--border-color);
      padding-top: 14px;
    }
    .scheme-points li {
      font-size: 13px;
      color: #333;
      margin-bottom: 8px;
      display: flex;
      justify-content: space-between;
    }
    .scheme-points li span {
      color: var(--text-muted);
    }
    .content-columns-section {
      padding: 20px 0 40px 0;
    }
    .split-grid-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .channel-column-block {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 24px;
    }
    .featured-banner-card {
      position: relative;
      height: 240px;
      border-radius: 4px;
      overflow: hidden;
      margin-bottom: 20px;
      background-size: cover;
      background-position: center;
    }
    .banner-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(13, 33, 58, 0.4) 0%, rgba(13, 33, 58, 0.92) 100%);
      padding: 22px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      color: #fff;
    }
    .banner-tag {
      font-size: 12px;
      color: #a4cafe;
      margin-bottom: 6px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .banner-title {
      font-size: 20px;
      font-weight: 700;
      line-height: 1.4;
      color: #fff;
    }
    .banner-desc {
      font-size: 13px;
      color: #d1d5db;
      margin-top: 8px;
      line-height: 1.5;
    }
    .article-item-row {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      padding: 13px 0;
      border-bottom: 1px solid #f0f1f2;
      font-size: 14px;
    }
    .article-item-row:last-child {
      border-bottom: none;
    }
    .article-item-title {
      flex: 1;
      padding-right: 18px;
      color: #24292f;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .article-item-title:hover {
      color: var(--primary);
    }
    .article-item-meta {
      font-size: 12px;
      color: var(--text-muted);
      white-space: nowrap;
    }
    .more-link-bar {
      margin-top: 14px;
      padding-top: 12px;
      border-top: 1px solid var(--border-color);
      display: flex;
      justify-content: flex-end;
    }
    .more-link-btn {
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .more-link-btn:hover {
      text-decoration: underline;
    }
    .flow-faq-section {
      padding-bottom: 40px;
    }
    .flow-faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .flow-box {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 24px;
    }
    .flow-steps {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 16px;
    }
    .flow-step-item {
      display: flex;
      gap: 16px;
      align-items: flex-start;
    }
    .step-idx {
      width: 32px;
      height: 32px;
      background: #f0f4fa;
      color: var(--primary);
      font-weight: 700;
      font-size: 14px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .step-content h5 {
      font-size: 15px;
      font-weight: 700;
      color: #111;
      margin-bottom: 4px;
    }
    .step-content p {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.5;
    }
    .faq-box {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 24px;
    }
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 16px;
    }
    .faq-item {
      border-bottom: 1px solid #f2f3f5;
      padding-bottom: 14px;
    }
    .faq-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .faq-item h5 {
      font-size: 14.5px;
      font-weight: 700;
      color: #111;
      margin-bottom: 6px;
    }
    .faq-item p {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.6;
    }
    .cta-strip {
      background: #0d213a;
      color: #fff;
      padding: 32px 0;
      margin-bottom: 50px;
      border-radius: 6px;
    }
    .cta-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .cta-text h3 {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .cta-text p {
      font-size: 14px;
      color: #9ab0cc;
    }
    .cta-action-btn {
      background: var(--primary-light);
      color: #fff;
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 600;
      border-radius: 4px;
      display: inline-block;
      white-space: nowrap;
    }
    .cta-action-btn:hover {
      background: #1c52a3;
      color: #fff;
    }
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 30px 0;
      font-size: 13.5px;
      color: var(--text-sub);
    }
    .footer-main-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 36px;
      border-bottom: 1px solid var(--border-color);
    }
    .footer-brand .footer-logo-title {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .footer-logo-box {
      width: 32px;
      height: 32px;
      background: var(--primary);
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 800;
      font-size: 16px;
    }
    .footer-brand h3 {
      font-size: 18px;
      font-weight: 700;
      color: #111;
    }
    .footer-brand p {
      line-height: 1.6;
      color: var(--text-muted);
      max-width: 480px;
    }
    .footer-col h5 {
      font-size: 15px;
      font-weight: 600;
      color: #111;
      margin-bottom: 16px;
    }
    .footer-col ul {
      list-style: none;
    }
    .footer-col li {
      margin-bottom: 10px;
    }
    .footer-col a:hover {
      color: var(--primary);
    }
    .footer-bottom-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 24px;
      font-size: 12.5px;
      color: var(--text-muted);
    }
    @media (max-width: 1024px) {
      .scheme-grid {
        grid-template-columns: 1fr;
      }
      .split-grid-wrapper,
      .flow-faq-grid,
      .footer-main-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .cat-head-row {
        flex-direction: column;
      }
      .cat-stat-strip {
        width: 100%;
        justify-content: space-around;
      }
    }
    @media (max-width: 768px) {
      .header-main {
        flex-direction: column;
        height: auto;
        padding: 16px 0;
        gap: 12px;
        align-items: flex-start;
      }
      .header-slogan {
        display: none;
      }
      .header-search {
        width: 100%;
      }
      .nav-list {
        overflow-x: auto;
        white-space: nowrap;
        gap: 20px;
        width: 100%;
        padding-bottom: 8px;
      }
      .nav-extra {
        display: none;
      }
      .cta-inner {
        flex-direction: column;
        align-items: flex-start;
      }
      .footer-bottom-bar {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
    }

/* roulang page: article */
:root {
      --primary: #1c52a3;
      --primary-dark: #0f3670;
      --primary-light: #2c6dd4;
      --text-main: #1d2129;
      --text-muted: #86909c;
      --text-sub: #4e5969;
      --border-color: #e5e6eb;
      --bg-page: #f7f8fa;
      --bg-white: #ffffff;
      --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --site-width: 1200px;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: var(--font-family);
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }
    .container {
      max-width: var(--site-width);
      margin: 0 auto;
      padding: 0 20px;
    }
    .top-notice-bar {
      background: #0d213a;
      color: #b5c4d6;
      font-size: 12px;
      padding: 6px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-notice-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-notice-bar span {
      letter-spacing: 0.5px;
    }
    .site-header {
      background: var(--bg-white);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 100;
    }
    .header-main {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 84px;
    }
    .brand-area {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .brand-logo-icon {
      width: 44px;
      height: 44px;
      background: var(--primary);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 22px;
      letter-spacing: -1px;
      box-shadow: 0 4px 10px rgba(28, 82, 163, 0.2);
    }
    .brand-text h1 {
      font-size: 20px;
      font-weight: 700;
      line-height: 1.2;
      color: #111;
      letter-spacing: 0.5px;
    }
    .brand-text span {
      font-size: 11px;
      color: var(--text-muted);
      letter-spacing: 1px;
      display: block;
      text-transform: uppercase;
      margin-top: 2px;
    }
    .header-slogan {
      font-size: 13px;
      color: var(--text-muted);
      border-left: 1px solid var(--border-color);
      padding-left: 16px;
      margin-left: 6px;
    }
    .header-search {
      position: relative;
      width: 320px;
    }
    .header-search input {
      width: 100%;
      height: 38px;
      background: #f2f3f5;
      border: 1px solid transparent;
      border-radius: 4px;
      padding: 0 36px 0 34px;
      font-size: 13px;
      color: var(--text-main);
      outline: none;
      transition: all 0.2s;
    }
    .header-search input:focus {
      background: #fff;
      border-color: var(--primary);
      box-shadow: 0 0 0 2px rgba(28, 82, 163, 0.1);
    }
    .search-icon-left {
      position: absolute;
      left: 10px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 14px;
      pointer-events: none;
    }
    .search-arrow-right {
      position: absolute;
      right: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 13px;
    }
    .site-nav-bar {
      background: var(--bg-white);
      border-bottom: 1px solid var(--border-color);
    }
    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .nav-list {
      display: flex;
      list-style: none;
      gap: 32px;
    }
    .nav-item a {
      display: block;
      font-size: 15px;
      color: #272e3b;
      font-weight: 500;
      padding: 14px 0;
      position: relative;
    }
    .nav-item.active a,
    .nav-item a:hover {
      color: var(--primary);
    }
    .nav-item.active a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--primary);
    }
    .nav-extra a {
      font-size: 14px;
      color: var(--text-sub);
    }
    .nav-extra a:hover {
      color: var(--primary);
    }
    .article-page-wrap {
      padding: 36px 0 64px 0;
    }
    .breadcrumb-nav {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .breadcrumb-nav a:hover {
      color: var(--primary);
    }
    .breadcrumb-separator {
      color: var(--border-color);
    }
    .article-layout-grid {
      display: grid;
      grid-template-columns: 820px 1fr;
      gap: 36px;
      align-items: start;
    }
    .article-main-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 40px;
    }
    .article-header {
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 24px;
      margin-bottom: 28px;
    }
    .article-category-badge {
      display: inline-block;
      background: rgba(28, 82, 163, 0.08);
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 16px;
    }
    .article-headline {
      font-size: 28px;
      line-height: 1.35;
      font-weight: 700;
      color: #111;
      margin-bottom: 18px;
    }
    .article-meta-info {
      display: flex;
      align-items: center;
      gap: 24px;
      font-size: 13px;
      color: var(--text-muted);
    }
    .article-meta-info span {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .article-featured-banner {
      width: 100%;
      height: 340px;
      border-radius: 4px;
      overflow: hidden;
      margin-bottom: 30px;
      position: relative;
      background-color: #0f1c2d;
    }
    .article-featured-banner img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    .article-featured-banner .banner-caption {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 12px 20px;
      background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
      color: #fff;
      font-size: 13px;
    }
    .article-body-content {
      font-size: 16px;
      color: #272e3b;
      line-height: 1.85;
    }
    .article-body-content p {
      margin-bottom: 20px;
    }
    .article-body-content h2 {
      font-size: 22px;
      margin: 36px 0 16px;
      color: #111;
      border-left: 4px solid var(--primary);
      padding-left: 12px;
    }
    .article-body-content h3 {
      font-size: 18px;
      margin: 28px 0 12px;
      color: #111;
    }
    .article-body-content blockquote {
      margin: 24px 0;
      padding: 16px 20px;
      background: #f7f9fc;
      border-left: 4px solid var(--primary-light);
      color: var(--text-sub);
      font-size: 15px;
    }
    .article-empty-notice {
      text-align: center;
      padding: 80px 20px;
    }
    .article-empty-notice h2 {
      font-size: 24px;
      color: #111;
      margin-bottom: 12px;
    }
    .article-empty-notice p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .back-home-btn {
      display: inline-block;
      background: var(--primary);
      color: #fff;
      padding: 10px 24px;
      border-radius: 4px;
      font-size: 14px;
      font-weight: 500;
    }
    .back-home-btn:hover {
      background: var(--primary-dark);
    }
    .article-sidebar {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .sidebar-widget-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 24px;
    }
    .widget-title-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 14px;
      margin-bottom: 18px;
      border-bottom: 1px solid var(--border-color);
    }
    .widget-title-head h4 {
      font-size: 16px;
      font-weight: 700;
      color: #111;
      border-left: 3px solid var(--primary);
      padding-left: 10px;
    }
    .widget-title-head a {
      font-size: 12px;
      color: var(--text-muted);
    }
    .widget-title-head a:hover {
      color: var(--primary);
    }
    .sidebar-article-item {
      display: flex;
      gap: 12px;
      padding-bottom: 14px;
      margin-bottom: 14px;
      border-bottom: 1px dashed var(--border-color);
    }
    .sidebar-article-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
      margin-bottom: 0;
    }
    .sidebar-item-thumb {
      width: 80px;
      height: 60px;
      border-radius: 4px;
      overflow: hidden;
      flex-shrink: 0;
      background: #e9edf2;
    }
    .sidebar-item-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .sidebar-item-body {
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .sidebar-item-body h5 {
      font-size: 13px;
      line-height: 1.4;
      font-weight: 500;
      color: #272e3b;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .sidebar-item-body h5:hover {
      color: var(--primary);
    }
    .sidebar-item-date {
      font-size: 11px;
      color: var(--text-muted);
    }
    .sidebar-promo-banner {
      background: linear-gradient(145deg, #0d213a 0%, #1c52a3 100%);
      border-radius: 6px;
      padding: 24px;
      color: #fff;
    }
    .sidebar-promo-banner h4 {
      font-size: 17px;
      margin-bottom: 8px;
      font-weight: 700;
    }
    .sidebar-promo-banner p {
      font-size: 13px;
      color: #d1ddf0;
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .sidebar-promo-btn {
      display: inline-block;
      background: #fff;
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 600;
      padding: 8px 16px;
      border-radius: 4px;
    }
    .sidebar-promo-btn:hover {
      background: #f0f3f8;
    }
    .site-footer {
      background: #0f1c2d;
      color: #b5c4d6;
      padding: 60px 0 24px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 13px;
    }
    .footer-main-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-brand .footer-logo-title {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }
    .footer-logo-box {
      width: 32px;
      height: 32px;
      background: var(--primary-light);
      color: #fff;
      font-weight: 800;
      font-size: 17px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 4px;
    }
    .footer-logo-title h3 {
      font-size: 18px;
      color: #fff;
      font-weight: 700;
    }
    .footer-brand p {
      color: #8c9fb5;
      line-height: 1.7;
      max-width: 480px;
    }
    .footer-col h5 {
      color: #fff;
      font-size: 14px;
      margin-bottom: 18px;
      font-weight: 600;
    }
    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-col ul a {
      color: #8c9fb5;
    }
    .footer-col ul a:hover {
      color: #fff;
    }
    .footer-bottom-bar {
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: #64748b;
      font-size: 12px;
    }
    @media (max-width: 1024px) {
      .article-layout-grid {
        grid-template-columns: 1fr;
      }
      .footer-main-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .header-main {
        flex-direction: column;
        height: auto;
        padding: 16px 0;
        gap: 14px;
        align-items: flex-start;
      }
      .header-search {
        width: 100%;
      }
      .nav-inner {
        overflow-x: auto;
      }
      .nav-list {
        gap: 20px;
      }
      .nav-extra {
        display: none;
      }
      .article-main-card {
        padding: 24px 18px;
      }
      .article-headline {
        font-size: 22px;
      }
      .article-featured-banner {
        height: 220px;
      }
      .footer-main-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .footer-bottom-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
    }
    @media (max-width: 520px) {
      .header-slogan {
        display: none;
      }
      .article-meta-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
    }