/* roulang page: index */
:root {
            --bg-main: #070d18;
            --bg-section: #0c1527;
            --bg-card: rgba(16, 28, 54, 0.72);
            --brand-primary: #0066ff;
            --brand-cyan: #00d2ff;
            --accent-gold: #ffb800;
            --accent-gold-hover: #ffca36;
            --text-h: #f0f6fc;
            --text-p: #94a3b8;
            --text-muted: #64748b;
            --border-glass: rgba(0, 210, 255, 0.16);
            --border-glow: rgba(0, 210, 255, 0.45);
        }
        body {
            background-color: var(--bg-main);
            color: var(--text-p);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            color: var(--text-h);
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        a {
            text-decoration: none;
            transition: all 0.25s ease;
        }
        .text-cyan { color: var(--brand-cyan) !important; }
        .text-gold { color: var(--accent-gold) !important; }
        .bg-card-glass {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
            border-radius: 14px;
        }
        .btn-gold-glow {
            background: linear-gradient(135deg, #ffb800 0%, #ff9800 100%);
            color: #070d18 !important;
            font-weight: 700;
            border: none;
            border-radius: 8px;
            padding: 12px 28px;
            box-shadow: 0 0 20px rgba(255, 184, 0, 0.35);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all 0.3s ease;
        }
        .btn-gold-glow:hover {
            background: linear-gradient(135deg, #ffca36 0%, #ffa726 100%);
            box-shadow: 0 0 30px rgba(255, 184, 0, 0.6);
            transform: translateY(-2px);
            color: #000 !important;
        }
        .btn-ghost-cyan {
            background: rgba(0, 102, 255, 0.08);
            border: 1px solid var(--border-glass);
            color: var(--brand-cyan) !important;
            font-weight: 600;
            border-radius: 8px;
            padding: 11px 26px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all 0.3s ease;
        }
        .btn-ghost-cyan:hover {
            border-color: var(--brand-cyan);
            background: rgba(0, 210, 255, 0.15);
            box-shadow: 0 0 20px rgba(0, 210, 255, 0.25);
            color: #ffffff !important;
            transform: translateY(-2px);
        }
        .site-nav {
            background-color: #060b14;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 16px 0;
        }
        .site-nav .navbar-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-nav .navbar-brand span {
            color: var(--brand-cyan);
            font-size: 0.85rem;
            border: 1px solid rgba(0, 210, 255, 0.3);
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .site-nav .nav-link {
            color: #cbd5e1;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 6px;
        }
        .site-nav .nav-link:hover, .site-nav .nav-link.active {
            color: var(--brand-cyan) !important;
        }
        .section-block {
            padding: 90px 0;
            position: relative;
        }
        .section-block:nth-of-type(even) {
            background-color: var(--bg-section);
        }
        .section-header {
            max-width: 820px;
            margin: 0 auto 55px auto;
            text-align: center;
        }
        .section-header h2 {
            font-size: 2.15rem;
            margin-bottom: 16px;
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--text-p);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .hero-banner {
            position: relative;
            min-height: 86vh;
            display: flex;
            align-items: center;
            background: linear-gradient(180deg, rgba(7, 13, 24, 0.82) 0%, rgba(7, 13, 24, 0.95) 100%), url('/assets/images/955236fcc1cdec5e.webp') center/cover no-repeat;
            border-bottom: 1px solid rgba(0, 210, 255, 0.15);
            padding: 100px 0 80px 0;
        }
        .hero-video-preview {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-glow);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
        }
        .hero-video-preview img {
            width: 100%;
            display: block;
            object-fit: cover;
        }
        .play-indicator {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(0, 102, 255, 0.75);
            backdrop-filter: blur(8px);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 1.8rem;
            box-shadow: 0 0 25px rgba(0, 210, 255, 0.6);
            border: 2px solid var(--brand-cyan);
        }
        .metric-number {
            font-size: 2.75rem;
            font-weight: 800;
            color: var(--brand-cyan);
            line-height: 1;
            margin-bottom: 8px;
            font-feature-settings: "tnum";
        }
        .pill-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            background: rgba(0, 210, 255, 0.1);
            color: var(--brand-cyan);
            border: 1px solid rgba(0, 210, 255, 0.25);
            margin-bottom: 16px;
        }
        .pipeline-step {
            position: relative;
            padding: 24px;
        }
        .pipeline-step .step-idx {
            font-size: 1.2rem;
            font-weight: 800;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(0, 102, 255, 0.2);
            color: var(--brand-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-glass);
            margin-bottom: 18px;
        }
        .quote-card {
            border-left: 3px solid var(--accent-gold);
            padding: 30px;
        }
        .site-footer {
            background: #040810;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 70px 0 30px 0;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .site-footer h3 {
            font-size: 1.1rem;
            color: #f0f6fc;
            margin-bottom: 22px;
        }
        .site-footer ul {
            list-style: none;
            padding-left: 0;
            margin-bottom: 0;
        }
        .site-footer ul li {
            margin-bottom: 12px;
        }
        .site-footer ul li a {
            color: #94a3b8;
        }
        .site-footer ul li a:hover {
            color: var(--brand-cyan);
        }
        @media (max-width: 991px) {
            .section-block { padding: 60px 0; }
            .section-header h2 { font-size: 1.8rem; }
            .hero-banner { min-height: auto; padding: 70px 0 50px 0; }
        }

/* roulang page: article */
:root {
            --bg-main: #070d18;
            --bg-section: #0c1527;
            --bg-card: rgba(16, 28, 54, 0.72);
            --brand-primary: #0066ff;
            --brand-cyan: #00d2ff;
            --accent-gold: #ffb800;
            --accent-gold-hover: #ffca36;
            --text-h: #f0f6fc;
            --text-p: #94a3b8;
            --text-muted: #64748b;
            --border-glass: rgba(0, 210, 255, 0.16);
            --border-glow: rgba(0, 210, 255, 0.45);
        }
        body {
            background-color: var(--bg-main);
            color: var(--text-p);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            transition: all 0.25s ease;
        }
        .text-cyan { color: var(--brand-cyan) !important; }
        .text-gold { color: var(--accent-gold) !important; }
        .bg-card-glass {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
            border-radius: 14px;
        }
        .btn-gold-glow {
            background: linear-gradient(135deg, #ffb800 0%, #ff9800 100%);
            color: #070d18 !important;
            font-weight: 700;
            border: none;
            border-radius: 8px;
            padding: 12px 28px;
            box-shadow: 0 0 20px rgba(255, 184, 0, 0.35);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all 0.3s ease;
        }
        .btn-gold-glow:hover {
            background: linear-gradient(135deg, #ffca36 0%, #ffa726 100%);
            box-shadow: 0 0 30px rgba(255, 184, 0, 0.6);
            transform: translateY(-2px);
            color: #000 !important;
        }
        .btn-ghost-cyan {
            background: rgba(0, 102, 255, 0.08);
            border: 1px solid var(--border-glass);
            color: var(--brand-cyan) !important;
            font-weight: 600;
            border-radius: 8px;
            padding: 11px 26px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all 0.3s ease;
        }
        .btn-ghost-cyan:hover {
            border-color: var(--brand-cyan);
            background: rgba(0, 210, 255, 0.15);
            box-shadow: 0 0 20px rgba(0, 210, 255, 0.25);
            color: #ffffff !important;
            transform: translateY(-2px);
        }
        .site-nav {
            background-color: #060b14;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 16px 0;
        }
        .site-nav .navbar-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-nav .navbar-brand span {
            color: var(--brand-cyan);
            font-size: 0.85rem;
            border: 1px solid rgba(0, 210, 255, 0.3);
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .site-nav .nav-link {
            color: #cbd5e1;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 6px;
        }
        .site-nav .nav-link:hover, .site-nav .nav-link.active {
            color: var(--brand-cyan) !important;
        }
        .pill-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            background: rgba(0, 210, 255, 0.1);
            color: var(--brand-cyan);
            border: 1px solid rgba(0, 210, 255, 0.25);
            margin-bottom: 16px;
        }
        .article-hero {
            background: linear-gradient(180deg, rgba(7, 13, 24, 0.85) 0%, rgba(7, 13, 24, 0.98) 100%), url('/assets/images/39d1a18b82c33124.jpg') center/cover no-repeat;
            padding: 50px 0 40px 0;
            border-bottom: 1px solid rgba(0, 210, 255, 0.12);
        }
        .article-breadcrumb {
            font-size: 0.88rem;
            margin-bottom: 20px;
        }
        .article-breadcrumb a {
            color: var(--text-muted);
        }
        .article-breadcrumb a:hover {
            color: var(--brand-cyan);
        }
        .article-title {
            color: var(--text-h);
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 20px;
        }
        .article-meta-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
            padding-bottom: 15px;
        }
        .article-meta-bar span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .abstract-callout {
            border-left: 4px solid var(--accent-gold);
            background: rgba(255, 184, 0, 0.05);
            padding: 24px;
            border-radius: 0 12px 12px 0;
            margin-bottom: 40px;
        }
        .abstract-callout h2 {
            font-size: 1.15rem;
            color: var(--accent-gold);
            margin-bottom: 8px;
            font-weight: 700;
        }
        .article-body {
            font-size: 1.06rem;
            color: #b1c2d9;
            line-height: 1.88;
        }
        .article-body h2 {
            color: var(--text-h);
            font-size: 1.65rem;
            font-weight: 700;
            margin-top: 40px;
            margin-bottom: 18px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .article-body h3 {
            color: var(--brand-cyan);
            font-size: 1.3rem;
            font-weight: 600;
            margin-top: 30px;
            margin-bottom: 14px;
        }
        .article-body p {
            margin-bottom: 22px;
        }
        .article-body ul, .article-body ol {
            padding-left: 24px;
            margin-bottom: 24px;
        }
        .article-body li {
            margin-bottom: 10px;
        }
        .article-body blockquote {
            border-left: 3px solid var(--brand-cyan);
            background: rgba(0, 210, 255, 0.04);
            padding: 16px 20px;
            margin: 24px 0;
            border-radius: 0 8px 8px 0;
            color: var(--text-p);
        }
        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 20px 0;
            border: 1px solid var(--border-glass);
        }
        .copyright-card {
            background: rgba(12, 21, 39, 0.9);
            border: 1px dashed var(--border-glass);
            border-radius: 12px;
            padding: 24px;
            margin-top: 50px;
        }
        .rec-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            padding: 20px;
            height: 100%;
            transition: all 0.3s ease;
        }
        .rec-card:hover {
            border-color: var(--brand-cyan);
            transform: translateY(-4px);
        }
        .rec-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 14px;
        }
        .rec-card h3 {
            font-size: 1.05rem;
            color: var(--text-h);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .site-footer {
            background: #040810;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 70px 0 30px 0;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .site-footer h3 {
            font-size: 1.1rem;
            color: #f0f6fc;
            margin-bottom: 22px;
        }
        .site-footer ul {
            list-style: none;
            padding-left: 0;
            margin-bottom: 0;
        }
        .site-footer ul li {
            margin-bottom: 12px;
        }
        .site-footer ul li a {
            color: #94a3b8;
        }
        .site-footer ul li a:hover {
            color: var(--brand-cyan);
        }
        @media (max-width: 768px) {
            .article-title { font-size: 1.7rem; }
            .article-meta-bar { gap: 12px; }
            .article-body { font-size: 1rem; }
        }

/* roulang page: category1 */
:root {
            --bg-main: #070d18;
            --bg-section: #0c1527;
            --bg-card: rgba(16, 28, 54, 0.72);
            --brand-primary: #0066ff;
            --brand-cyan: #00d2ff;
            --accent-gold: #ffb800;
            --accent-gold-hover: #ffca36;
            --text-h: #f0f6fc;
            --text-p: #94a3b8;
            --text-muted: #64748b;
            --border-glass: rgba(0, 210, 255, 0.16);
            --border-glow: rgba(0, 210, 255, 0.45);
        }
        body {
            background-color: var(--bg-main);
            color: var(--text-p);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            color: var(--text-h);
            font-weight: 700;
        }
        a {
            text-decoration: none;
            transition: all 0.25s ease;
        }
        .text-cyan { color: var(--brand-cyan) !important; }
        .text-gold { color: var(--accent-gold) !important; }
        .bg-card-glass {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
            border-radius: 14px;
        }
        .btn-gold-glow {
            background: linear-gradient(135deg, #ffb800 0%, #ff9800 100%);
            color: #070d18 !important;
            font-weight: 700;
            border: none;
            border-radius: 8px;
            padding: 12px 28px;
            box-shadow: 0 0 20px rgba(255, 184, 0, 0.35);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all 0.3s ease;
        }
        .btn-gold-glow:hover {
            background: linear-gradient(135deg, #ffca36 0%, #ffa726 100%);
            box-shadow: 0 0 30px rgba(255, 184, 0, 0.6);
            transform: translateY(-2px);
            color: #000 !important;
        }
        .btn-ghost-cyan {
            background: rgba(0, 102, 255, 0.08);
            border: 1px solid var(--border-glass);
            color: var(--brand-cyan) !important;
            font-weight: 600;
            border-radius: 8px;
            padding: 11px 26px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all 0.3s ease;
        }
        .btn-ghost-cyan:hover {
            border-color: var(--brand-cyan);
            background: rgba(0, 210, 255, 0.15);
            box-shadow: 0 0 20px rgba(0, 210, 255, 0.25);
            color: #ffffff !important;
            transform: translateY(-2px);
        }
        .site-nav {
            background-color: #060b14;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 16px 0;
        }
        .site-nav .navbar-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-nav .navbar-brand span {
            color: var(--brand-cyan);
            font-size: 0.85rem;
            border: 1px solid rgba(0, 210, 255, 0.3);
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .site-nav .nav-link {
            color: #cbd5e1;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 6px;
        }
        .site-nav .nav-link:hover, .site-nav .nav-link.active {
            color: var(--brand-cyan) !important;
        }
        .section-block {
            padding: 85px 0;
            position: relative;
        }
        .section-block:nth-of-type(even) {
            background-color: var(--bg-section);
        }
        .section-header {
            max-width: 820px;
            margin: 0 auto 50px auto;
            text-align: center;
        }
        .section-header h2 {
            font-size: 2.15rem;
            margin-bottom: 16px;
        }
        .pill-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            background: rgba(0, 210, 255, 0.1);
            color: var(--brand-cyan);
            border: 1px solid rgba(0, 210, 255, 0.25);
            margin-bottom: 16px;
        }
        .category-hero {
            padding: 70px 0 55px 0;
            background: radial-gradient(circle at 50% 0%, rgba(0, 102, 255, 0.18) 0%, rgba(7, 13, 24, 0.95) 75%);
            border-bottom: 1px solid var(--border-glass);
        }
        .breadcrumb-trail a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .breadcrumb-trail a:hover {
            color: var(--brand-cyan);
        }
        .breadcrumb-trail span {
            color: var(--text-p);
            font-size: 0.9rem;
        }
        .filter-console {
            background: rgba(12, 21, 39, 0.8);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            padding: 18px 24px;
        }
        .pill-tab {
            padding: 7px 18px;
            border-radius: 20px;
            font-size: 0.88rem;
            color: #cbd5e1;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: inline-block;
        }
        .pill-tab.active {
            background: rgba(0, 210, 255, 0.2);
            border-color: var(--brand-cyan);
            color: var(--brand-cyan);
            font-weight: 600;
        }
        .eval-card {
            border: 1px solid var(--border-glass);
            transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
            height: 100%;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }
        .eval-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-glow);
            box-shadow: 0 16px 32px rgba(0, 102, 255, 0.2);
        }
        .eval-card-thumb {
            height: 190px;
            width: 100%;
            object-fit: cover;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .score-radar-bar {
            background: rgba(255, 255, 255, 0.06);
            border-radius: 6px;
            height: 8px;
            overflow: hidden;
            margin: 8px 0;
        }
        .score-radar-fill {
            background: linear-gradient(90deg, var(--brand-cyan), var(--brand-primary));
            height: 100%;
            border-radius: 6px;
        }
        .tech-table {
            width: 100%;
            color: var(--text-p);
            border-collapse: separate;
            border-spacing: 0;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-glass);
        }
        .tech-table th {
            background: #0e1a32;
            color: #f0f6fc;
            padding: 16px 20px;
            font-weight: 600;
            border-bottom: 1px solid var(--border-glass);
        }
        .tech-table td {
            background: rgba(12, 21, 39, 0.6);
            padding: 16px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            vertical-align: middle;
        }
        .tech-table tr.highlight td {
            background: rgba(0, 102, 255, 0.12);
            border-top: 1px solid rgba(0, 210, 255, 0.3);
            border-bottom: 1px solid rgba(0, 210, 255, 0.3);
        }
        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            margin-bottom: 14px;
            border-radius: 10px !important;
            overflow: hidden;
        }
        .accordion-button {
            background: transparent;
            color: var(--text-h);
            font-weight: 600;
            padding: 20px 24px;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(0, 102, 255, 0.12);
            color: var(--brand-cyan);
            border-bottom: 1px solid var(--border-glass);
        }
        .accordion-button::after {
            filter: invert(1);
        }
        .accordion-body {
            color: var(--text-p);
            line-height: 1.8;
            padding: 22px 24px;
        }
        .site-footer {
            background: #040810;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 70px 0 30px 0;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .site-footer h3 {
            font-size: 1.1rem;
            color: #f0f6fc;
            margin-bottom: 22px;
        }
        .site-footer ul {
            list-style: none;
            padding-left: 0;
            margin-bottom: 0;
        }
        .site-footer ul li {
            margin-bottom: 12px;
        }
        .site-footer ul li a {
            color: #94a3b8;
        }
        .site-footer ul li a:hover {
            color: var(--brand-cyan);
        }
        @media (max-width: 991px) {
            .section-block { padding: 60px 0; }
            .section-header h2 { font-size: 1.8rem; }
            .category-hero { padding: 50px 0 40px 0; }
        }

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