/* roulang page: index */
:root {
            --brand-primary: #154593;
            --brand-hover: #0d3270;
            --brand-dark: #0f1c2e;
            --brand-navy: #19273c;
            --brand-light: #f4f6fa;
            --brand-border: #e6ebf2;
            --text-title: #1a2533;
            --text-body: #475569;
            --text-muted: #8c9ba8;
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

        body {
            font-family: var(--font-stack);
            background-color: #f8fafc;
            color: var(--text-body);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--brand-primary);
        }

        /* Top Header Strip */
        .site-topbar {
            background-color: var(--brand-navy);
            color: #9cb1c9;
            font-size: 12px;
            padding: 7px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* Header Main */
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--brand-border);
            padding: 24px 0 16px;
        }

        .brand-logo-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .brand-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, #1b53b7 0%, #0d367e 100%);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            box-shadow: 0 4px 10px rgba(21, 69, 147, 0.2);
        }

        .brand-logo-icon svg {
            width: 20px;
            height: 20px;
            fill: currentColor;
        }

        .brand-text-box h1 {
            font-size: 24px;
            font-weight: 800;
            color: var(--brand-dark);
            margin: 0;
            line-height: 1.1;
            letter-spacing: -0.5px;
        }

        .brand-text-box .sub-tagline {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 1px;
            font-weight: 500;
            margin-top: 2px;
            display: block;
        }

        .brand-header-slogan {
            font-size: 13px;
            color: var(--text-muted);
            border-left: 1px solid var(--brand-border);
            padding-left: 16px;
            margin-left: 16px;
            font-weight: 400;
        }

        .header-search-box {
            position: relative;
            max-width: 380px;
            width: 100%;
        }

        .header-search-box input {
            width: 100%;
            height: 42px;
            background-color: #f1f4f9;
            border: 1px solid transparent;
            border-radius: 6px;
            padding: 0 42px 0 38px;
            font-size: 13px;
            color: var(--text-title);
            outline: none;
            transition: all 0.2s ease;
        }

        .header-search-box input:focus {
            background-color: #ffffff;
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(21, 69, 147, 0.08);
        }

        .header-search-box .search-icon {
            position: absolute;
            left: 13px;
            top: 50%;
            transform: translateY(-50%);
            width: 15px;
            height: 15px;
            color: #94a3b8;
            pointer-events: none;
        }

        .header-search-box .submit-arrow {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #94a3b8;
            background: none;
            border: none;
            padding: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Nav row */
        .site-nav-bar {
            background: #ffffff;
            border-bottom: 1px solid var(--brand-border);
        }

        .main-nav-list {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            align-items: center;
        }

        .main-nav-list li a {
            display: inline-block;
            padding: 14px 20px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-title);
            position: relative;
        }

        .main-nav-list li a.active {
            color: var(--brand-primary);
            font-weight: 700;
        }

        .main-nav-list li a.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 20px;
            right: 20px;
            height: 3px;
            background-color: var(--brand-primary);
            border-radius: 3px 3px 0 0;
        }

        .main-nav-list li a:hover {
            color: var(--brand-primary);
        }

        .nav-right-link {
            font-size: 13.5px;
            color: var(--text-muted);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-right-link:hover {
            color: var(--brand-primary);
        }

        /* Sub-Desk Bar */
        .sub-desk-section {
            background-color: #ffffff;
            border-bottom: 1px solid var(--brand-border);
            padding: 24px 0 32px;
        }

        .desk-header-row {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 24px;
        }

        .desk-badge-title {
            background-color: var(--brand-navy);
            color: #ffffff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 3px;
            display: inline-block;
            letter-spacing: 0.5px;
        }

        .desk-headline {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-title);
            margin: 0;
            line-height: 1.2;
        }

        .desk-subtext {
            font-size: 13px;
            color: var(--text-muted);
            margin-left: 8px;
        }

        .desk-cards-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 220px;
            gap: 16px;
        }

        .desk-nav-card {
            background: #ffffff;
            border: 1px solid var(--brand-border);
            border-radius: 4px;
            padding: 16px 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 96px;
            position: relative;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .desk-nav-card:hover {
            border-color: #cbd5e1;
            box-shadow: 0 4px 12px rgba(15, 28, 46, 0.04);
        }

        .desk-nav-card .card-head-row {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
        }

        .desk-nav-card .card-seq {
            font-size: 11px;
            font-weight: 700;
            color: #94a3b8;
            letter-spacing: 0.5px;
        }

        .desk-nav-card .card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            margin: 0 0 4px;
        }

        .desk-nav-card .card-desc {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
        }

        .desk-nav-card .arrow-icon {
            font-size: 14px;
            color: #94a3b8;
            line-height: 1;
        }

        .desk-action-card {
            background-color: var(--brand-primary);
            color: #ffffff;
            border-radius: 4px;
            padding: 16px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            text-decoration: none;
            transition: background-color 0.2s;
            font-weight: 600;
            font-size: 15px;
        }

        .desk-action-card:hover {
            background-color: var(--brand-hover);
            color: #ffffff;
        }

        /* Two Column Main Content Area */
        .market-split-section {
            padding: 32px 0 60px;
        }

        .column-box {
            background: #ffffff;
            border: 1px solid var(--brand-border);
            border-radius: 6px;
            padding: 24px;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .column-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 8px;
        }

        .col-title-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .col-vertical-bar {
            width: 4px;
            height: 18px;
            background-color: var(--brand-primary);
            border-radius: 2px;
            display: inline-block;
        }

        .col-main-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-title);
            margin: 0;
        }

        .col-corner-arrow {
            font-size: 15px;
            color: #94a3b8;
        }

        .column-subtitle {
            font-size: 12.5px;
            color: var(--text-muted);
            margin: 0 0 20px;
        }

        /* Feature Card / Hero Banner Box */
        .feature-hero-card {
            position: relative;
            height: 250px;
            border-radius: 6px;
            overflow: hidden;
            background-color: #0b1727;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px;
            margin-bottom: 24px;
            color: #ffffff;
        }

        .feature-hero-card .hero-bg-img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.55;
            transition: transform 0.4s ease;
        }

        .feature-hero-card:hover .hero-bg-img {
            transform: scale(1.03);
        }

        .feature-hero-card .hero-overlay-gradient {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(11, 23, 39, 0.1) 0%, rgba(11, 23, 39, 0.85) 85%);
            z-index: 1;
        }

        .feature-hero-content {
            position: relative;
            z-index: 2;
        }

        .feature-hero-title {
            font-size: 21px;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 16px;
            line-height: 1.35;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .hero-slider-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid rgba(255, 255, 255, 0.18);
            padding-top: 12px;
            font-size: 11.5px;
            color: rgba(255, 255, 255, 0.7);
        }

        .slider-controls {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .slider-nav-btn {
            background: none;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #ffffff;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0;
            font-size: 10px;
            cursor: pointer;
            transition: all 0.2s;
        }

        .slider-nav-btn:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: #ffffff;
        }

        .slider-page-num {
            font-family: monospace;
            font-size: 12px;
            letter-spacing: 1px;
        }

        .slider-indicator-line {
            flex: 1;
            height: 2px;
            background: rgba(255, 255, 255, 0.2);
            margin: 0 16px;
            border-radius: 1px;
            position: relative;
        }

        .slider-indicator-fill {
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 35%;
            background-color: #ffffff;
            border-radius: 1px;
        }

        /* Post Items List */
        .articles-sub-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            flex: 1;
        }

        .article-compact-row {
            padding-bottom: 14px;
            border-bottom: 1px solid #f1f5f9;
        }

        .article-compact-row:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .article-compact-title {
            font-size: 14.5px;
            font-weight: 600;
            color: var(--text-title);
            margin: 0 0 6px;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s;
        }

        .article-compact-title:hover {
            color: var(--brand-primary);
        }

        .article-meta-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-muted);
        }

        .article-source-tag {
            color: #64748b;
        }

        .article-date {
            font-family: monospace;
            color: #94a3b8;
        }

        .more-articles-link {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13.5px;
            font-weight: 600;
            color: var(--brand-primary);
            padding-top: 14px;
            border-top: 1px solid var(--brand-border);
            margin-top: auto;
            width: fit-content;
        }

        .more-articles-link:hover {
            color: var(--brand-hover);
            transform: translateX(3px);
        }

        /* Site Footer */
        .site-footer {
            background-color: #ffffff;
            border-top: 1px solid var(--brand-border);
            padding: 48px 0 24px;
            font-size: 13px;
        }

        .footer-logo-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand-title {
            font-size: 20px;
            font-weight: 800;
            color: var(--brand-dark);
            margin: 0;
            letter-spacing: -0.5px;
        }

        .footer-brand-desc {
            font-size: 13px;
            color: #64748b;
            line-height: 1.6;
            margin: 0;
            max-width: 360px;
        }

        .footer-column-title {
            font-size: 13px;
            font-weight: 600;
            color: #94a3b8;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-link-list a {
            color: #475569;
            font-weight: 500;
        }

        .footer-link-list a:hover {
            color: var(--brand-primary);
        }

        .footer-bottom-bar {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #f1f5f9;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: #94a3b8;
        }

        /* Responsive Media Queries */
        @media (max-width: 1024px) {
            .desk-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .site-header {
                padding: 16px 0;
            }
            .header-search-box {
                max-width: 100%;
                margin-top: 12px;
            }
            .brand-header-slogan {
                display: none;
            }
            .main-nav-list {
                overflow-x: auto;
                white-space: nowrap;
                -webkit-overflow-scrolling: touch;
            }
            .main-nav-list li a {
                padding: 12px 14px;
                font-size: 14px;
            }
            .desk-cards-grid {
                grid-template-columns: 1fr;
            }
            .feature-hero-card {
                height: 200px;
            }
            .footer-bottom-bar {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .desk-header-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .desk-subtext {
                margin-left: 0;
            }
            .feature-hero-title {
                font-size: 17px;
            }
        }

/* roulang page: article */
:root {
  --brand-primary: #154593;
  --brand-hover: #0d3270;
  --brand-dark: #0f1c2e;
  --brand-navy: #19273c;
  --brand-light: #f4f6fa;
  --brand-border: #e6ebf2;
  --text-title: #1a2533;
  --text-body: #475569;
  --text-muted: #8c9ba8;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
body {
  font-family: var(--font-stack);
  background-color: #f8fafc;
  color: var(--text-body);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--brand-primary);
}
.site-topbar {
  background-color: var(--brand-navy);
  color: #9cb1c9;
  font-size: 12px;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--brand-border);
  padding: 20px 0 16px;
}
.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #1b53b7 0%, #0d367e 100%);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(21, 69, 147, 0.2);
  flex-shrink: 0;
}
.brand-logo-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}
.brand-text-box h1, .brand-text-box .brand-heading {
  font-size: 24px;
  font-weight: 800;
  color: var(--brand-dark);
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.5px;
}
.brand-text-box .sub-tagline {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
  font-weight: 500;
  margin-top: 2px;
  display: block;
}
.brand-header-slogan {
  font-size: 13px;
  color: var(--text-muted);
  border-left: 1px solid var(--brand-border);
  padding-left: 16px;
  margin-left: 16px;
  font-weight: 400;
}
.header-search-box {
  position: relative;
  max-width: 380px;
  width: 100%;
}
.header-search-box input {
  width: 100%;
  height: 40px;
  background-color: #f1f4f9;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0 42px 0 38px;
  font-size: 13px;
  color: var(--text-title);
  outline: none;
  transition: all 0.2s ease;
}
.header-search-box input:focus {
  background-color: #ffffff;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(21, 69, 147, 0.08);
}
.header-search-box .search-icon {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  color: #94a3b8;
  pointer-events: none;
}
.header-search-box .submit-arrow {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #94a3b8;
  background: none;
  border: none;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.site-nav-bar {
  background: #ffffff;
  border-bottom: 1px solid var(--brand-border);
}
.main-nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
  overflow-x: auto;
  white-space: nowrap;
}
.main-nav-list li a {
  display: inline-block;
  padding: 14px 20px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-title);
  position: relative;
}
.main-nav-list li a.active {
  color: var(--brand-primary);
  font-weight: 700;
}
.main-nav-list li a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 20px;
  right: 20px;
  height: 3px;
  background-color: var(--brand-primary);
  border-radius: 3px 3px 0 0;
}
.main-nav-list li a:hover {
  color: var(--brand-primary);
}
.nav-right-link {
  font-size: 13.5px;
  color: var(--text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-right-link:hover {
  color: var(--brand-primary);
}
.breadcrumb-wrap {
  padding: 16px 0;
  font-size: 13px;
  color: var(--text-muted);
}
.breadcrumb-wrap a {
  color: var(--text-muted);
}
.breadcrumb-wrap a:hover {
  color: var(--brand-primary);
}
.breadcrumb-wrap span {
  margin: 0 8px;
  color: #cbd5e1;
}
.article-main-box {
  background: #ffffff;
  border: 1px solid var(--brand-border);
  border-radius: 8px;
  padding: 36px 40px;
  box-shadow: 0 2px 8px rgba(15, 28, 46, 0.03);
}
.article-header {
  border-bottom: 1px solid var(--brand-border);
  padding-bottom: 24px;
  margin-bottom: 28px;
}
.article-category-badge {
  display: inline-block;
  background-color: rgba(21, 69, 147, 0.08);
  color: var(--brand-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}
.article-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--brand-dark);
  line-height: 1.4;
  margin: 0 0 16px 0;
}
.article-meta-row {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.article-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.article-lead {
  background: var(--brand-light);
  border-left: 4px solid var(--brand-primary);
  padding: 16px 20px;
  border-radius: 0 6px 6px 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: #334155;
  margin-bottom: 30px;
}
.article-body-content {
  font-size: 16px;
  line-height: 1.85;
  color: #334155;
}
.article-body-content p {
  margin-bottom: 20px;
}
.article-body-content h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--brand-dark);
  margin-top: 36px;
  margin-bottom: 16px;
  padding-left: 12px;
  border-left: 4px solid var(--brand-primary);
}
.article-body-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--brand-dark);
  margin-top: 28px;
  margin-bottom: 14px;
}
.article-body-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 20px 0;
}
.article-body-content ul, .article-body-content ol {
  padding-left: 24px;
  margin-bottom: 20px;
}
.article-body-content li {
  margin-bottom: 8px;
}
.article-body-content blockquote {
  border-left: 3px solid #cbd5e1;
  padding: 12px 18px;
  color: #64748b;
  margin: 24px 0;
  background-color: #f8fafc;
  font-style: italic;
}
.sidebar-box {
  background: #ffffff;
  border: 1px solid var(--brand-border);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}
.sidebar-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--brand-dark);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--brand-border);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 14px;
  background-color: var(--brand-primary);
  border-radius: 2px;
}
.side-item-link {
  display: block;
  padding: 10px 0;
  border-bottom: 1px dashed var(--brand-border);
  font-size: 14px;
  color: var(--text-title);
  line-height: 1.45;
}
.side-item-link:last-child {
  border-bottom: none;
}
.side-item-link:hover {
  color: var(--brand-primary);
}
.side-item-time {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 4px;
}
.promo-sidebar-card {
  background: linear-gradient(145deg, #154593, #0d2e67);
  border-radius: 8px;
  color: #ffffff;
  padding: 24px;
  margin-bottom: 24px;
}
.promo-sidebar-card h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}
.promo-sidebar-card p {
  font-size: 13px;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 18px;
}
.promo-btn {
  display: inline-block;
  background-color: #ffffff;
  color: var(--brand-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 4px;
  transition: all 0.2s ease;
}
.promo-btn:hover {
  background-color: #e2e8f0;
  color: var(--brand-hover);
}
.site-footer {
  background-color: #0f1c2e;
  color: #94a3b8;
  padding: 50px 0 24px;
  margin-top: 50px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand-title {
  color: #ffffff;
  font-size: 20px;
  font-weight: 700;
}
.footer-brand-desc {
  font-size: 13px;
  line-height: 1.7;
  color: #94a3b8;
  max-width: 440px;
}
.footer-column-title {
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-link-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-link-list li {
  margin-bottom: 10px;
}
.footer-link-list a {
  color: #94a3b8;
  font-size: 13px;
}
.footer-link-list a:hover {
  color: #ffffff;
}
.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 40px;
  padding-top: 20px;
  font-size: 12px;
  color: #64748b;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
@media (max-width: 991px) {
  .site-header { padding: 16px 0; }
  .header-search-box { margin-top: 12px; max-width: 100%; }
  .brand-header-slogan { display: none; }
  .article-main-box { padding: 24px; }
  .article-title { font-size: 22px; }
}
@media (max-width: 767px) {
  .article-main-box { padding: 18px 14px; }
  .article-title { font-size: 20px; }
  .article-meta-row { gap: 12px; font-size: 12px; }
  .footer-bottom-bar { flex-direction: column; text-align: left; }
}

/* roulang page: category1 */
:root {
        --brand-primary: #154593;
        --brand-hover: #0d3270;
        --brand-dark: #0f1c2e;
        --brand-navy: #19273c;
        --brand-light: #f4f6fa;
        --brand-border: #e6ebf2;
        --text-title: #1a2533;
        --text-body: #475569;
        --text-muted: #8c9ba8;
        --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
        font-family: var(--font-stack);
        background-color: #f8fafc;
        color: var(--text-body);
        line-height: 1.6;
        margin: 0;
        padding: 0;
        -webkit-font-smoothing: antialiased;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color 0.2s ease;
    }
    a:hover {
        color: var(--brand-primary);
    }
    /* Top Header Strip */
    .site-topbar {
        background-color: var(--brand-navy);
        color: #9cb1c9;
        font-size: 12px;
        padding: 7px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    /* Header Main */
    .site-header {
        background: #ffffff;
        border-bottom: 1px solid var(--brand-border);
        padding: 24px 0 16px;
    }
    .brand-logo-wrap {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .brand-logo-icon {
        width: 36px;
        height: 36px;
        background: linear-gradient(135deg, #1b53b7 0%, #0d367e 100%);
        border-radius: 6px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #ffffff;
        box-shadow: 0 4px 10px rgba(21, 69, 147, 0.2);
    }
    .brand-logo-icon svg {
        width: 20px;
        height: 20px;
        fill: currentColor;
    }
    .brand-text-box h1 {
        font-size: 24px;
        font-weight: 800;
        color: var(--brand-dark);
        margin: 0;
        line-height: 1.1;
        letter-spacing: -0.5px;
    }
    .brand-text-box .sub-tagline {
        font-size: 11px;
        color: var(--text-muted);
        letter-spacing: 1px;
        font-weight: 500;
        margin-top: 2px;
        display: block;
    }
    .brand-header-slogan {
        font-size: 13px;
        color: var(--text-muted);
        border-left: 1px solid var(--brand-border);
        padding-left: 16px;
        margin-left: 16px;
        font-weight: 400;
    }
    .header-search-box {
        position: relative;
        max-width: 380px;
        width: 100%;
    }
    .header-search-box input {
        width: 100%;
        height: 42px;
        background-color: #f1f4f9;
        border: 1px solid transparent;
        border-radius: 6px;
        padding: 0 42px 0 38px;
        font-size: 13px;
        color: var(--text-title);
        outline: none;
        transition: all 0.2s ease;
    }
    .header-search-box input:focus {
        background-color: #ffffff;
        border-color: var(--brand-primary);
        box-shadow: 0 0 0 3px rgba(21, 69, 147, 0.08);
    }
    .header-search-box .search-icon {
        position: absolute;
        left: 13px;
        top: 50%;
        transform: translateY(-50%);
        width: 15px;
        height: 15px;
        color: #94a3b8;
        pointer-events: none;
    }
    .header-search-box .submit-arrow {
        position: absolute;
        right: 12px;
        top: 50%;
        transform: translateY(-50%);
        color: #94a3b8;
        background: none;
        border: none;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    /* Nav row */
    .site-nav-bar {
        background: #ffffff;
        border-bottom: 1px solid var(--brand-border);
    }
    .main-nav-list {
        display: flex;
        list-style: none;
        margin: 0;
        padding: 0;
        align-items: center;
    }
    .main-nav-list li a {
        display: inline-block;
        padding: 14px 20px;
        font-size: 14.5px;
        font-weight: 500;
        color: var(--text-title);
        position: relative;
    }
    .main-nav-list li a.active {
        color: var(--brand-primary);
        font-weight: 700;
    }
    .main-nav-list li a.active::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 20px;
        right: 20px;
        height: 3px;
        background-color: var(--brand-primary);
        border-radius: 3px 3px 0 0;
    }
    .main-nav-list li a:hover {
        color: var(--brand-primary);
    }
    .nav-right-link {
        font-size: 13.5px;
        color: var(--text-muted);
        font-weight: 500;
        display: flex;
        align-items: center;
        gap: 4px;
    }
    .nav-right-link:hover {
        color: var(--brand-primary);
    }

    /* Category Specific Custom Styles */
    .category-hero {
        background: linear-gradient(rgba(15, 28, 46, 0.88), rgba(25, 39, 60, 0.92)), url('/assets/images/b5836c8b2e4c9887.jpg') center/cover no-repeat;
        padding: 56px 0;
        color: #ffffff;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .cat-badge {
        display: inline-block;
        background-color: rgba(21, 69, 147, 0.6);
        border: 1px solid rgba(255, 255, 255, 0.2);
        color: #e2e8f0;
        font-size: 13px;
        padding: 4px 14px;
        border-radius: 4px;
        margin-bottom: 16px;
        font-weight: 500;
        letter-spacing: 0.5px;
    }
    .category-hero h2 {
        font-size: 32px;
        font-weight: 800;
        letter-spacing: -0.5px;
        margin-bottom: 16px;
        line-height: 1.25;
    }
    .category-hero p {
        font-size: 15px;
        color: #cbd5e1;
        max-width: 780px;
        margin-bottom: 24px;
        line-height: 1.7;
    }
    .hero-stat-pill {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.12);
        padding: 6px 14px;
        border-radius: 20px;
        font-size: 12.5px;
        color: #e2e8f0;
        margin-right: 10px;
        margin-bottom: 10px;
    }
    .hero-stat-pill span.num {
        color: #60a5fa;
        font-weight: 700;
    }

    /* Section Headers */
    .content-section {
        padding: 50px 0;
    }
    .bg-alt-block {
        background-color: #f1f5f9;
        border-top: 1px solid var(--brand-border);
        border-bottom: 1px solid var(--brand-border);
    }
    .block-header {
        margin-bottom: 32px;
    }
    .block-header .tag-lead {
        color: var(--brand-primary);
        font-size: 12px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-bottom: 6px;
        display: block;
    }
    .block-header h3 {
        font-size: 24px;
        font-weight: 800;
        color: var(--brand-dark);
        margin: 0;
    }

    /* Focus Card Grid */
    .feature-card {
        background: #ffffff;
        border: 1px solid var(--brand-border);
        border-radius: 6px;
        padding: 24px;
        height: 100%;
        transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    }
    .feature-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 24px rgba(15, 28, 46, 0.07);
        border-color: #cbd5e1;
    }
    .feature-card .icon-box {
        width: 44px;
        height: 44px;
        border-radius: 6px;
        background-color: #eef2f9;
        color: var(--brand-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 18px;
    }
    .feature-card h4 {
        font-size: 17px;
        font-weight: 700;
        color: var(--brand-dark);
        margin-bottom: 10px;
    }
    .feature-card p {
        font-size: 13.5px;
        color: var(--text-body);
        line-height: 1.6;
        margin: 0;
    }

    /* Article List Feed */
    .post-card-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 22px;
    }
    .post-box-item {
        background: #ffffff;
        border: 1px solid var(--brand-border);
        border-radius: 6px;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        transition: all 0.2s ease;
        height: 100%;
    }
    .post-box-item:hover {
        border-color: var(--brand-primary);
        box-shadow: 0 8px 20px rgba(21, 69, 147, 0.08);
    }
    .post-img-thumb {
        height: 170px;
        width: 100%;
        object-fit: cover;
        background-color: #e2e8f0;
    }
    .post-inner-content {
        padding: 18px 20px 20px;
        display: flex;
        flex-direction: column;
        flex-grow: 1;
    }
    .post-meta-line {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 12px;
        color: var(--text-muted);
        margin-bottom: 10px;
    }
    .post-meta-line .badge-sub {
        background-color: #f1f5f9;
        color: var(--brand-primary);
        font-weight: 600;
        padding: 2px 8px;
        border-radius: 3px;
    }
    .post-inner-content h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text-title);
        line-height: 1.45;
        margin-bottom: 10px;
    }
    .post-inner-content p {
        font-size: 13px;
        color: var(--text-body);
        line-height: 1.6;
        margin-bottom: 16px;
        flex-grow: 1;
    }
    .post-view-more {
        font-size: 13px;
        font-weight: 600;
        color: var(--brand-primary);
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

    /* Process steps */
    .step-box {
        position: relative;
        background: #ffffff;
        border: 1px solid var(--brand-border);
        border-radius: 6px;
        padding: 22px;
        height: 100%;
    }
    .step-number {
        font-size: 26px;
        font-weight: 900;
        color: #dbeafe;
        line-height: 1;
        margin-bottom: 12px;
    }
    .step-box h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text-title);
        margin-bottom: 8px;
    }
    .step-box p {
        font-size: 13px;
        color: var(--text-body);
        margin: 0;
        line-height: 1.6;
    }

    /* FAQ Box */
    .faq-wrapper {
        background: #ffffff;
        border: 1px solid var(--brand-border);
        border-radius: 6px;
        padding: 24px;
    }
    .faq-unit {
        padding: 16px 0;
        border-bottom: 1px solid var(--brand-border);
    }
    .faq-unit:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    .faq-unit:first-child {
        padding-top: 0;
    }
    .faq-unit h5 {
        font-size: 15.5px;
        font-weight: 700;
        color: var(--brand-dark);
        margin-bottom: 8px;
    }
    .faq-unit p {
        font-size: 13.5px;
        color: var(--text-body);
        margin: 0;
        line-height: 1.65;
    }

    /* Quick CTA */
    .banner-cta {
        background: linear-gradient(135deg, #154593 0%, #0d3270 100%);
        border-radius: 8px;
        padding: 36px 40px;
        color: #ffffff;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
    }
    .banner-cta h3 {
        font-size: 22px;
        font-weight: 800;
        margin: 0 0 8px;
    }
    .banner-cta p {
        font-size: 14px;
        color: #e2e8f0;
        margin: 0;
    }
    .banner-cta a.btn-cta-main {
        background-color: #ffffff;
        color: var(--brand-primary);
        font-size: 14px;
        font-weight: 700;
        padding: 11px 26px;
        border-radius: 5px;
        white-space: nowrap;
        display: inline-block;
        transition: background-color 0.2s ease, color 0.2s ease;
    }
    .banner-cta a.btn-cta-main:hover {
        background-color: #f8fafc;
        color: var(--brand-hover);
    }

    /* Footer Styles */
    .site-footer {
        background-color: #0b1523;
        color: #94a3b8;
        padding: 56px 0 28px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        font-size: 13px;
    }
    .footer-logo-row {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 16px;
    }
    .footer-brand-title {
        color: #ffffff;
        font-size: 20px;
        font-weight: 800;
    }
    .footer-brand-desc {
        line-height: 1.7;
        margin-bottom: 0;
        max-width: 480px;
        color: #94a3b8;
    }
    .footer-column-title {
        color: #ffffff;
        font-size: 14.5px;
        font-weight: 700;
        margin-bottom: 16px;
    }
    .footer-link-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-link-list li {
        margin-bottom: 10px;
    }
    .footer-link-list li a {
        color: #94a3b8;
    }
    .footer-link-list li a:hover {
        color: #ffffff;
    }
    .footer-bottom-bar {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        margin-top: 40px;
        padding-top: 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 12px;
        color: #64748b;
    }

    /* Mobile and Responsive */
    @media (max-width: 1024px) {
        .post-card-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (max-width: 768px) {
        .site-header {
            padding: 16px 0;
        }
        .brand-header-slogan {
            display: none;
        }
        .header-search-box {
            margin-top: 14px;
            max-width: 100%;
        }
        .main-nav-list {
            overflow-x: auto;
            white-space: nowrap;
            padding-bottom: 2px;
        }
        .main-nav-list li a {
            padding: 12px 14px;
            font-size: 13.5px;
        }
        .category-hero {
            padding: 36px 0;
        }
        .category-hero h2 {
            font-size: 24px;
        }
        .post-card-grid {
            grid-template-columns: 1fr;
        }
        .banner-cta {
            flex-direction: column;
            align-items: flex-start;
            padding: 24px;
        }
        .footer-bottom-bar {
            flex-direction: column;
            align-items: flex-start;
        }
    }
    @media (max-width: 520px) {
        .category-hero p {
            font-size: 14px;
        }
        .feature-card, .step-box, .faq-wrapper {
            padding: 18px;
        }
    }
