/* roulang page: index */
:root {
            --brand-primary: #2A2421;
            --brand-secondary: #5C4033;
            --brand-accent: #C4A482;
            --brand-accent-light: #EADBC8;
            --bg-canvas: #FAF8F5;
            --bg-subtle: #F4EFEB;
            --bg-card: #FFFFFF;
            --text-heading: #1A1918;
            --text-body: #4A423B;
            --text-muted: #847B73;
            --border-soft: #E8E0D7;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-pill: 50px;
            --shadow-subtle: 0 10px 30px -10px rgba(42, 36, 33, 0.05);
            --shadow-hover: 0 20px 40px -12px rgba(42, 36, 33, 0.12);
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
            background-color: var(--bg-canvas);
            color: var(--text-body);
            line-height: 1.8;
            letter-spacing: 0.02em;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--text-heading);
            font-weight: 600;
            line-height: 1.4;
            letter-spacing: 0.03em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        a:hover {
            color: var(--brand-secondary);
        }

        .header-floating-wrapper {
            position: sticky;
            top: 20px;
            z-index: 1030;
            padding: 0 24px;
            margin-bottom: -76px;
        }
        .navbar-custom {
            background: rgba(250, 248, 245, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            box-shadow: var(--shadow-subtle);
            transition: all 0.3s ease;
        }
        .navbar-brand-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand-primary);
            letter-spacing: 0.05em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-brand-logo .brand-badge {
            width: 34px;
            height: 34px;
            background: var(--brand-primary);
            color: var(--bg-canvas);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 0.95rem;
        }
        .nav-link-custom {
            color: var(--text-body) !important;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: var(--radius-pill);
            font-size: 0.95rem;
            transition: all 0.2s ease;
        }
        .nav-link-custom:hover, .nav-link-custom.active {
            color: var(--brand-primary) !important;
            background-color: rgba(196, 164, 130, 0.16);
        }

        .btn-brand-primary {
            background-color: var(--brand-primary);
            color: #FAF8F5;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-weight: 500;
            border: 1px solid var(--brand-primary);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-brand-primary:hover {
            background-color: var(--brand-secondary);
            color: #FFFFFF;
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
        }
        .btn-brand-outline {
            background-color: transparent;
            color: var(--brand-primary);
            border-radius: var(--radius-pill);
            padding: 12px 26px;
            font-weight: 500;
            border: 1px solid var(--brand-primary);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-brand-outline:hover {
            background-color: rgba(42, 36, 33, 0.05);
            color: var(--brand-primary);
        }

        .section-padding {
            padding: 90px 0;
        }
        .section-padding-sm {
            padding: 60px 0;
        }
        .section-header {
            margin-bottom: 54px;
        }
        .section-subtitle-pill {
            display: inline-block;
            padding: 4px 14px;
            background-color: rgba(196, 164, 130, 0.2);
            color: var(--brand-secondary);
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-lead-text {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 720px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Hero Blueprint: Trial Request */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 80px;
            background: radial-gradient(circle at 85% 20%, rgba(234, 219, 200, 0.45) 0%, rgba(250, 248, 245, 0) 65%);
        }
        .hero-trial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-subtle);
        }
        .qualification-badge {
            background: var(--bg-subtle);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 14px;
        }

        /* General Card & Components */
        .custom-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 32px;
            height: 100%;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .custom-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--brand-accent);
        }
        .card-icon-bubble {
            width: 52px;
            height: 52px;
            background: var(--bg-subtle);
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--brand-secondary);
            margin-bottom: 20px;
        }

        /* Steps */
        .step-node {
            position: relative;
            padding-left: 28px;
            border-left: 2px solid var(--brand-accent);
        }
        .step-index-badge {
            position: absolute;
            left: -13px;
            top: 0;
            width: 24px;
            height: 24px;
            background: var(--brand-primary);
            color: #FFF;
            border-radius: 50%;
            font-size: 0.75rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
        }

        /* Metric Box */
        .metric-value-display {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--brand-primary);
            line-height: 1;
            font-family: serif;
        }

        /* Comparison Table */
        .matrix-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
        }
        .matrix-table th, .matrix-table td {
            padding: 18px 22px;
            border-bottom: 1px solid var(--border-soft);
        }
        .matrix-table th {
            background: var(--bg-subtle);
            font-weight: 600;
            color: var(--brand-primary);
        }
        .matrix-table tr:last-child td {
            border-bottom: none;
        }
        .matrix-highlight {
            background-color: rgba(196, 164, 130, 0.08);
            font-weight: 600;
            color: var(--brand-secondary);
        }

        /* News CMS Feed */
        .cms-post-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 26px;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.25s ease;
        }
        .cms-post-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--brand-accent);
        }
        .cms-post-title {
            font-size: 1.15rem;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 12px;
            color: var(--text-heading);
        }
        .cms-post-date {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Final Form Banner */
        .lead-form-box {
            background: var(--brand-primary);
            color: #FAF8F5;
            border-radius: var(--radius-lg);
            padding: 60px 48px;
        }
        .lead-form-box .form-control {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #FFF;
            padding: 12px 18px;
            border-radius: var(--radius-sm);
        }
        .lead-form-box .form-control::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .lead-form-box .form-control:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--brand-accent);
            box-shadow: none;
        }

        /* Footer */
        .site-footer {
            background-color: #1F1B19;
            color: #A89F97;
            padding: 70px 0 35px 0;
            font-size: 0.92rem;
            border-top: 1px solid #2D2724;
        }
        .site-footer h6 {
            color: #FAF8F5;
            font-size: 1rem;
            margin-bottom: 20px;
            letter-spacing: 0.05em;
        }
        .footer-link-item {
            margin-bottom: 10px;
        }
        .footer-link-item a {
            color: #A89F97;
        }
        .footer-link-item a:hover {
            color: var(--brand-accent-light);
        }

        @media (max-width: 991px) {
            .header-floating-wrapper {
                padding: 0 12px;
                top: 10px;
            }
            .hero-section {
                padding-top: 120px;
            }
            .lead-form-box {
                padding: 36px 24px;
            }
        }

/* roulang page: category1 */
:root {
            --brand-primary: #2A2421;
            --brand-secondary: #5C4033;
            --brand-accent: #C4A482;
            --brand-accent-light: #EADBC8;
            --bg-canvas: #FAF8F5;
            --bg-subtle: #F4EFEB;
            --bg-card: #FFFFFF;
            --text-heading: #1A1918;
            --text-body: #4A423B;
            --text-muted: #847B73;
            --border-soft: #E8E0D7;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-pill: 50px;
            --shadow-subtle: 0 10px 30px -10px rgba(42, 36, 33, 0.05);
            --shadow-hover: 0 20px 40px -12px rgba(42, 36, 33, 0.12);
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
            background-color: var(--bg-canvas);
            color: var(--text-body);
            line-height: 1.8;
            letter-spacing: 0.02em;
            overflow-x: hidden;
        }

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

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

        .header-floating-wrapper {
            position: sticky;
            top: 20px;
            z-index: 1030;
            padding: 0 24px;
            margin-bottom: -76px;
        }

        .navbar-custom {
            background: rgba(250, 248, 245, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            box-shadow: var(--shadow-subtle);
            transition: all 0.3s ease;
        }

        .navbar-brand-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand-primary);
            letter-spacing: 0.05em;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .navbar-brand-logo .brand-badge {
            width: 34px;
            height: 34px;
            background: var(--brand-primary);
            color: var(--bg-canvas);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 0.95rem;
        }

        .nav-link-custom {
            color: var(--text-body) !important;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: var(--radius-pill);
            font-size: 0.95rem;
            transition: all 0.2s ease;
        }

        .nav-link-custom:hover, .nav-link-custom.active {
            color: var(--brand-primary) !important;
            background-color: rgba(196, 164, 130, 0.16);
        }

        .btn-brand-primary {
            background-color: var(--brand-primary);
            color: #FAF8F5;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-weight: 500;
            border: 1px solid var(--brand-primary);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-brand-primary:hover {
            background-color: var(--brand-secondary);
            color: #FFFFFF;
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
        }

        .btn-brand-outline {
            background-color: transparent;
            color: var(--brand-primary);
            border-radius: var(--radius-pill);
            padding: 12px 26px;
            font-weight: 500;
            border: 1px solid var(--brand-primary);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-brand-outline:hover {
            background-color: rgba(42, 36, 33, 0.05);
            color: var(--brand-primary);
        }

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

        .section-padding-sm {
            padding: 50px 0;
        }

        .section-subtitle-pill {
            display: inline-block;
            padding: 4px 14px;
            background-color: rgba(196, 164, 130, 0.2);
            color: var(--brand-secondary);
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .custom-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 32px;
            height: 100%;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .custom-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--brand-accent);
        }

        .card-icon-bubble {
            width: 50px;
            height: 50px;
            background: var(--bg-subtle);
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            color: var(--brand-secondary);
            margin-bottom: 20px;
        }

        /* Category Hero Banner */
        .category-hero {
            padding-top: 150px;
            padding-bottom: 60px;
            background: radial-gradient(circle at 85% 20%, rgba(234, 219, 200, 0.45) 0%, rgba(250, 248, 245, 0) 65%);
        }

        .breadcrumb-custom {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .breadcrumb-custom a {
            color: var(--text-muted);
        }

        .breadcrumb-custom a:hover {
            color: var(--brand-primary);
        }

        /* Filter Toolbar */
        .filter-toolbar {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 16px 24px;
            box-shadow: var(--shadow-subtle);
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: var(--bg-subtle);
            color: var(--text-body);
            font-size: 0.88rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease;
            border: 1px solid transparent;
        }

        .filter-chip.active, .filter-chip:hover {
            background: var(--brand-primary);
            color: #FFFFFF;
            border-color: var(--brand-primary);
        }

        /* Feature Topic Spotlight */
        .spotlight-card {
            background: linear-gradient(135deg, #FAF8F5 0%, #F4EFEB 100%);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 44px;
            position: relative;
            overflow: hidden;
        }

        .spotlight-card::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(196, 164, 130, 0.25) 0%, rgba(196, 164, 130, 0) 70%);
            border-radius: 50%;
        }

        /* Metric Panel */
        .metric-card-box {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-subtle);
        }

        .metric-card-box .metric-num {
            font-family: Georgia, serif;
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--brand-primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        /* Best Practices Timeline Box */
        .practice-step-item {
            position: relative;
            padding-left: 36px;
            margin-bottom: 28px;
        }

        .practice-step-item::before {
            content: '';
            position: absolute;
            left: 11px;
            top: 24px;
            bottom: -28px;
            width: 2px;
            background: var(--border-soft);
        }

        .practice-step-item:last-child::before {
            display: none;
        }

        .practice-step-item::after {
            content: '';
            position: absolute;
            left: 4px;
            top: 6px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--brand-accent);
            border: 3px solid #FAF8F5;
        }

        /* Content Post Cards */
        .article-feed-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.25s ease;
        }

        .article-feed-card:hover {
            transform: translateY(-3px);
            border-color: var(--brand-accent);
            box-shadow: var(--shadow-hover);
        }

        .article-feed-date {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* Accordion */
        .accordion-custom .accordion-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
        }

        .accordion-custom .accordion-button {
            background-color: var(--bg-card);
            color: var(--text-heading);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 20px 24px;
            box-shadow: none !important;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--brand-secondary);
            background-color: rgba(196, 164, 130, 0.08);
        }

        .accordion-custom .accordion-body {
            padding: 20px 24px;
            color: var(--text-body);
            border-top: 1px solid var(--border-soft);
        }

        /* CTA Banner */
        .category-cta-box {
            background: linear-gradient(135deg, #2A2421 0%, #1F1B19 100%);
            color: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            box-shadow: var(--shadow-hover);
        }

        /* Footer */
        .site-footer {
            background-color: #1F1B19;
            color: #C2BBB5;
            padding: 70px 0 30px;
            margin-top: 60px;
        }

        .site-footer h6 {
            color: #FAF8F5;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .footer-link-item {
            margin-bottom: 10px;
        }

        .footer-link-item a {
            color: #A69E96;
            transition: color 0.2s ease;
        }

        .footer-link-item a:hover {
            color: #FAF8F5;
        }

        @media (max-width: 991.98px) {
            .header-floating-wrapper {
                padding: 0 12px;
                top: 10px;
            }
            .category-hero {
                padding-top: 120px;
            }
        }

/* roulang page: article */
:root {
            --brand-primary: #2A2421;
            --brand-secondary: #5C4033;
            --brand-accent: #C4A482;
            --brand-accent-light: #EADBC8;
            --bg-canvas: #FAF8F5;
            --bg-subtle: #F4EFEB;
            --bg-card: #FFFFFF;
            --text-heading: #1A1918;
            --text-body: #4A423B;
            --text-muted: #847B73;
            --border-soft: #E8E0D7;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-pill: 50px;
            --shadow-subtle: 0 10px 30px -10px rgba(42, 36, 33, 0.05);
            --shadow-hover: 0 20px 40px -12px rgba(42, 36, 33, 0.12);
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
            background-color: var(--bg-canvas);
            color: var(--text-body);
            line-height: 1.85;
            letter-spacing: 0.02em;
            overflow-x: hidden;
        }

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

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

        /* 统一浮动导航系统 */
        .header-floating-wrapper {
            position: sticky;
            top: 20px;
            z-index: 1030;
            padding: 0 24px;
            margin-bottom: -76px;
        }

        .navbar-custom {
            background: rgba(250, 248, 245, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            box-shadow: var(--shadow-subtle);
            transition: all 0.3s ease;
        }

        .navbar-brand-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand-primary);
            letter-spacing: 0.05em;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .navbar-brand-logo .brand-badge {
            width: 34px;
            height: 34px;
            background: var(--brand-primary);
            color: var(--bg-canvas);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 0.95rem;
        }

        .nav-link-custom {
            color: var(--text-body) !important;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: var(--radius-pill);
            font-size: 0.95rem;
            transition: all 0.2s ease;
        }

        .nav-link-custom:hover, .nav-link-custom.active {
            color: var(--brand-primary) !important;
            background-color: rgba(196, 164, 130, 0.16);
        }

        .btn-brand-primary {
            background-color: var(--brand-primary);
            color: #FAF8F5;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-weight: 500;
            border: 1px solid var(--brand-primary);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-brand-primary:hover {
            background-color: var(--brand-secondary);
            color: #FFFFFF;
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
        }

        .btn-brand-outline {
            background-color: transparent;
            color: var(--brand-primary);
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            font-weight: 500;
            border: 1px solid var(--border-soft);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-brand-outline:hover {
            background-color: rgba(42, 36, 33, 0.05);
            border-color: var(--brand-secondary);
            color: var(--brand-secondary);
        }

        /* 文章顶部区：全宽头图与导读排版蓝图 */
        .article-hero-section {
            padding-top: 140px;
            padding-bottom: 50px;
            background: radial-gradient(circle at 75% 25%, rgba(234, 219, 200, 0.38) 0%, rgba(250, 248, 245, 0) 65%);
            border-bottom: 1px solid rgba(232, 224, 215, 0.6);
        }

        .breadcrumb-nav {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .breadcrumb-nav a {
            color: var(--text-muted);
        }

        .breadcrumb-nav a:hover {
            color: var(--brand-primary);
        }

        .article-category-badge {
            display: inline-block;
            padding: 5px 16px;
            background-color: rgba(196, 164, 130, 0.22);
            color: var(--brand-secondary);
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 18px;
        }

        .article-main-title {
            font-size: clamp(1.85rem, 3.2vw, 2.6rem);
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1.35;
            letter-spacing: 0.03em;
            margin-bottom: 24px;
        }

        .article-meta-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid rgba(232, 224, 215, 0.6);
        }

        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* 导读金句引语盒 (Pull-quote Box) */
        .article-lead-container {
            margin-top: 36px;
            margin-bottom: 20px;
        }

        .article-lead-box {
            background-color: #FFFFFF;
            border: 1px solid var(--border-soft);
            border-left: 5px solid var(--brand-accent);
            border-radius: var(--radius-md);
            padding: 26px 32px;
            box-shadow: var(--shadow-subtle);
            position: relative;
        }

        .lead-box-label {
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--brand-secondary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .lead-box-text {
            font-size: 1.08rem;
            line-height: 1.8;
            color: var(--text-heading);
            font-weight: 500;
            margin-bottom: 0;
        }

        /* 正文区排版系统 */
        .article-body-wrapper {
            padding: 50px 0 70px;
        }

        .rich-article-content {
            font-size: 1.05rem;
            line-height: 1.95;
            color: #37322E;
        }

        .rich-article-content p {
            margin-bottom: 1.7em;
        }

        .rich-article-content h2 {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-top: 2.2em;
            margin-bottom: 0.85em;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-soft);
            position: relative;
        }

        .rich-article-content h2::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -1px;
            width: 44px;
            height: 2px;
            background-color: var(--brand-accent);
        }

        .rich-article-content h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-top: 1.8em;
            margin-bottom: 0.7em;
        }

        .rich-article-content blockquote {
            background-color: var(--bg-subtle);
            border-left: 4px solid var(--brand-secondary);
            margin: 2em 0;
            padding: 20px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: normal;
            color: var(--text-heading);
        }

        .rich-article-content ul, .rich-article-content ol {
            margin-bottom: 1.8em;
            padding-left: 1.5em;
        }

        .rich-article-content li {
            margin-bottom: 0.6em;
        }

        .rich-article-content img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-md);
            margin: 1.8em 0;
            box-shadow: var(--shadow-subtle);
        }

        /* 互动挂件工具条 */
        .article-action-panel {
            background-color: #FFFFFF;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 14px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 40px;
            margin-bottom: 50px;
            box-shadow: var(--shadow-subtle);
        }

        .action-tag-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .action-tag {
            padding: 5px 14px;
            background-color: var(--bg-subtle);
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            color: var(--text-body);
        }

        .action-btn-group {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-circle-tool {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid var(--border-soft);
            background: var(--bg-canvas);
            color: var(--text-body);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .btn-circle-tool:hover {
            background-color: var(--brand-accent);
            border-color: var(--brand-accent);
            color: #FFFFFF;
        }

        /* 编审组与背书卡片 */
        .article-author-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 30px;
            margin-bottom: 50px;
            box-shadow: var(--shadow-subtle);
            display: flex;
            gap: 22px;
            align-items: center;
        }

        .author-avatar {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            background-color: var(--bg-subtle);
            border: 2px solid var(--border-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--brand-secondary);
            flex-shrink: 0;
        }

        .author-info-wrap h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
        }

        .author-role {
            font-size: 0.82rem;
            color: var(--brand-secondary);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .author-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* 上下一篇导航 */
        .post-pagination-row {
            margin-bottom: 60px;
        }

        .post-page-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s ease;
        }

        .post-page-card:hover {
            border-color: var(--brand-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .post-nav-label {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .post-nav-title {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* 质控与安全核查要点板块 */
        .verification-matrix-section {
            background-color: var(--bg-subtle);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            margin-bottom: 60px;
            border: 1px solid var(--border-soft);
        }

        .verification-point-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 16px;
        }

        .verification-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: var(--bg-card);
            border: 1px solid var(--border-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-secondary);
            font-size: 0.95rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* 推荐内容矩阵 */
        .related-content-section {
            margin-bottom: 60px;
        }

        .related-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 26px;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--brand-accent);
        }

        .related-badge {
            font-size: 0.76rem;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background-color: var(--bg-subtle);
            color: var(--brand-secondary);
            display: inline-block;
            margin-bottom: 12px;
            width: fit-content;
        }

        .related-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .related-summary {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 18px;
        }

        /* 底部互动转化容器 */
        .article-cta-box {
            background: var(--brand-primary);
            color: #FAF8F5;
            border-radius: var(--radius-lg);
            padding: 44px 48px;
            margin-bottom: 80px;
            position: relative;
            overflow: hidden;
        }

        .article-cta-box::after {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(196, 164, 130, 0.12);
            pointer-events: none;
        }

        /* 未找到内容的空状态 */
        .empty-article-box {
            text-align: center;
            padding: 100px 20px;
            background-color: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-soft;
            margin: 60px 0;
        }

        /* 统一页脚 */
        .site-footer {
            background-color: #211D1B;
            color: #C8C2BC;
            padding: 80px 0 35px;
            border-top: 1px solid #332C28;
        }

        .site-footer h6 {
            color: #FAF8F5;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.05em;
        }

        .footer-link-item {
            margin-bottom: 10px;
            font-size: 0.9rem;
        }

        .footer-link-item a {
            color: #9E958C;
        }

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

        @media (max-width: 991.98px) {
            .header-floating-wrapper {
                margin-bottom: 0;
                top: 12px;
                padding: 0 16px;
            }
            .article-hero-section {
                padding-top: 110px;
            }
            .article-action-panel {
                flex-direction: column;
                gap: 16px;
                border-radius: var(--radius-md);
                align-items: flex-start;
            }
            .article-author-card {
                flex-direction: column;
                text-align: left;
                align-items: flex-start;
            }
            .article-cta-box {
                padding: 32px 24px;
            }
            .verification-matrix-section {
                padding: 28px 20px;
            }
        }

/* roulang page: category2 */
:root {
            --brand-primary: #2A2421;
            --brand-secondary: #5C4033;
            --brand-accent: #C4A482;
            --brand-accent-light: #EADBC8;
            --bg-canvas: #FAF8F5;
            --bg-subtle: #F4EFEB;
            --bg-card: #FFFFFF;
            --text-heading: #1A1918;
            --text-body: #4A423B;
            --text-muted: #847B73;
            --border-soft: #E8E0D7;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-pill: 50px;
            --shadow-subtle: 0 10px 30px -10px rgba(42, 36, 33, 0.05);
            --shadow-hover: 0 20px 40px -12px rgba(42, 36, 33, 0.12);
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
            background-color: var(--bg-canvas);
            color: var(--text-body);
            line-height: 1.8;
            letter-spacing: 0.02em;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        a:hover {
            color: var(--brand-secondary);
        }
        .header-floating-wrapper {
            position: sticky;
            top: 20px;
            z-index: 1030;
            padding: 0 24px;
            margin-bottom: -76px;
        }
        .navbar-custom {
            background: rgba(250, 248, 245, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            box-shadow: var(--shadow-subtle);
            transition: all 0.3s ease;
        }
        .navbar-brand-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand-primary);
            letter-spacing: 0.05em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-brand-logo .brand-badge {
            width: 34px;
            height: 34px;
            background: var(--brand-primary);
            color: var(--bg-canvas);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 0.95rem;
        }
        .nav-link-custom {
            color: var(--text-body) !important;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: var(--radius-pill);
            font-size: 0.95rem;
            transition: all 0.2s ease;
        }
        .nav-link-custom:hover, .nav-link-custom.active {
            color: var(--brand-primary) !important;
            background-color: rgba(196, 164, 130, 0.16);
        }
        .btn-brand-primary {
            background-color: var(--brand-primary);
            color: #FAF8F5;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-weight: 500;
            border: 1px solid var(--brand-primary);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-brand-primary:hover {
            background-color: var(--brand-secondary);
            color: #FFFFFF;
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
        }
        .btn-brand-outline {
            background-color: transparent;
            color: var(--brand-primary);
            border-radius: var(--radius-pill);
            padding: 12px 26px;
            font-weight: 500;
            border: 1px solid var(--brand-primary);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-brand-outline:hover {
            background-color: rgba(42, 36, 33, 0.05);
            color: var(--brand-primary);
        }
        .section-padding {
            padding: 85px 0;
        }
        .section-padding-sm {
            padding: 55px 0;
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-subtitle-pill {
            display: inline-block;
            padding: 4px 14px;
            background-color: rgba(196, 164, 130, 0.2);
            color: var(--brand-secondary);
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            margin-bottom: 12px;
        }
        .section-lead-text {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 720px;
            margin-left: auto;
            margin-right: auto;
        }
        .custom-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 30px;
            height: 100%;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .custom-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--brand-accent);
        }
        .card-icon-bubble {
            width: 52px;
            height: 52px;
            background: var(--bg-subtle);
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--brand-secondary);
            margin-bottom: 20px;
        }
        /* Category Header Specific */
        .category-header-wrap {
            padding-top: 140px;
            padding-bottom: 40px;
            background: radial-gradient(circle at 15% 25%, rgba(234, 219, 200, 0.4) 0%, rgba(250, 248, 245, 0) 60%);
            border-bottom: 1px solid var(--border-soft);
        }
        .category-breadcrumb {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .category-breadcrumb a {
            color: var(--text-muted);
        }
        .category-breadcrumb a:hover {
            color: var(--brand-primary);
        }
        .filter-toolbar-box {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 10px 24px;
            box-shadow: var(--shadow-subtle);
        }
        .filter-chip {
            display: inline-block;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            background: transparent;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .filter-chip:hover, .filter-chip.active {
            background: rgba(196, 164, 130, 0.2);
            color: var(--brand-primary);
            border-color: var(--brand-accent);
        }
        .spotlight-card {
            background: linear-gradient(135deg, #FFFFFF 0%, #FAF8F5 100%);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-subtle);
        }
        .metric-badge-box {
            background: var(--bg-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            border: 1px solid var(--border-soft);
        }
        .metric-badge-val {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--brand-primary);
            font-family: Georgia, serif;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .feed-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s ease;
        }
        .feed-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--brand-accent);
        }
        .feed-card-date {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .accordion-custom .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
        }
        .accordion-custom .accordion-button {
            font-weight: 600;
            color: var(--brand-primary);
            background: var(--bg-card);
            padding: 20px 24px;
            box-shadow: none;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(196, 164, 130, 0.08);
            color: var(--brand-secondary);
        }
        .accordion-custom .accordion-body {
            color: var(--text-body);
            padding: 20px 24px;
            font-size: 0.95rem;
            line-height: 1.8;
            border-top: 1px solid var(--border-soft);
        }
        .site-footer {
            background-color: #1F1B19;
            color: #C8C2BC;
            padding: 75px 0 35px;
            border-top: 1px solid rgba(232, 224, 215, 0.1);
        }
        .site-footer h6 {
            color: #FAF8F5;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .footer-link-item a {
            color: #9C958D;
            display: inline-block;
            margin-bottom: 10px;
            font-size: 0.92rem;
        }
        .footer-link-item a:hover {
            color: var(--brand-accent-light);
            transform: translateX(3px);
        }
        @media (max-width: 991px) {
            .header-floating-wrapper {
                padding: 0 16px;
                top: 12px;
                margin-bottom: -60px;
            }
            .navbar-custom {
                border-radius: var(--radius-md);
                padding: 10px 20px;
            }
            .section-padding {
                padding: 60px 0;
            }
            .category-header-wrap {
                padding-top: 110px;
            }
            .spotlight-card {
                padding: 28px;
            }
        }

/* 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}