/* roulang page: index */
:root {
            --bg-main: #F7F3EC;
            --bg-card: #FFFFFF;
            --text-primary: #1D1A1F;
            --text-secondary: #6B6570;
            --primary-dark: #190F2A;
            --accent: #D7266E;
            --accent-hover: #B01E5A;
            --highlight: #19BFA6;
            --border-soft: #E5DED4;
            --warning: #F5A623;
            --radius-card: 15px;
            --radius-btn: 50px;
            --shadow-card: 0 8px 20px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 14px 32px rgba(0,0,0,0.08);
            --font-heading: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', sans-serif;
            --font-body: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
            --font-mono: 'Roboto Mono', 'DIN Alternate', monospace;
            --section-padding-desktop: 80px;
            --section-padding-mobile: 44px;
            --transition-base: all 0.28s ease;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg-main);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.6rem;
            letter-spacing: -0.01em;
        }
        h2 {
            font-size: 1.85rem;
            letter-spacing: -0.005em;
            margin-bottom: 1rem;
        }
        h3 {
            font-size: 1.3rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }
        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1180px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-pad {
            padding-top: var(--section-padding-desktop);
            padding-bottom: var(--section-padding-desktop);
        }
        .section-pad-sm {
            padding-top: 52px;
            padding-bottom: 52px;
        }
        .bg-dark-section {
            background-color: var(--primary-dark);
            color: #F7F3EC;
        }
        .bg-dark-section h2,
        .bg-dark-section h3 {
            color: #FFFFFF;
        }
        .bg-dark-section p {
            color: rgba(247,243,236,0.75);
        }
        .bg-white-section {
            background-color: var(--bg-card);
        }
        .text-mono {
            font-family: var(--font-mono);
        }
        .text-accent {
            color: var(--accent) !important;
        }
        .text-highlight {
            color: var(--highlight) !important;
        }
        .badge-soft {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 50px;
            font-family: var(--font-heading);
            font-size: 0.75rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            background-color: rgba(215,38,110,0.08);
            color: var(--accent);
            border: 1px solid rgba(215,38,110,0.15);
        }
        .badge-dark {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 50px;
            font-family: var(--font-heading);
            font-size: 0.75rem;
            font-weight: 500;
            background-color: rgba(255,255,255,0.1);
            color: #F7F3EC;
            border: 1px solid rgba(255,255,255,0.15);
        }
        .badge-warning {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 50px;
            font-family: var(--font-heading);
            font-size: 0.75rem;
            font-weight: 500;
            background-color: rgba(245,166,35,0.12);
            color: var(--warning);
            border: 1px solid rgba(245,166,35,0.25);
        }
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.01em;
            background-color: var(--accent);
            color: #FFFFFF;
            border: 2px solid var(--accent);
            transition: var(--transition-base);
            text-decoration: none;
            cursor: pointer;
        }
        .btn-brand:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(215,38,110,0.25);
        }
        .btn-brand:focus {
            outline: 2px solid var(--highlight);
            outline-offset: 3px;
        }
        .btn-brand:active {
            transform: translateY(0);
            box-shadow: 0 4px 10px rgba(215,38,110,0.2);
        }
        .btn-outline-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.01em;
            background-color: transparent;
            color: var(--primary-dark);
            border: 2px solid var(--primary-dark);
            transition: var(--transition-base);
            text-decoration: none;
            cursor: pointer;
        }
        .btn-outline-brand:hover {
            background-color: var(--primary-dark);
            color: #F7F3EC;
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(25,15,42,0.18);
        }
        .btn-outline-brand:focus {
            outline: 2px solid var(--highlight);
            outline-offset: 3px;
        }
        .btn-light-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 600;
            background-color: #FFFFFF;
            color: var(--primary-dark);
            border: 2px solid #F7F3EC;
            transition: var(--transition-base);
            text-decoration: none;
            cursor: pointer;
        }
        .btn-light-brand:hover {
            background-color: #F7F3EC;
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255,255,255,0.2);
        }
        .card-brand {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 26px 24px;
            transition: var(--transition-base);
            height: 100%;
        }
        .card-brand:hover {
            transform: translateY(-4px);
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
        }
        .card-brand .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            background-color: rgba(215,38,110,0.07);
            color: var(--accent);
        }
        .card-brand h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }
        .card-brand p {
            font-size: 0.9rem;
            margin-bottom: 0;
            line-height: 1.7;
        }
        .nav-topbar {
            background: var(--primary-dark);
            color: #F7F3EC;
            font-size: 0.78rem;
            padding: 8px 0;
            font-family: var(--font-heading);
        }
        .nav-topbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .nav-topbar .badge-warning {
            font-size: 0.7rem;
            padding: 3px 12px;
        }
        .site-header {
            background: var(--primary-dark);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .site-header .navbar {
            padding: 10px 0;
            background: transparent;
        }
        .site-header .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: -0.01em;
            color: #F7F3EC;
            line-height: 1.3;
        }
        .site-header .navbar-brand .brand-highlight {
            color: var(--accent);
        }
        .site-header .navbar-brand:hover {
            color: #FFFFFF;
        }
        .site-header .nav-link {
            font-family: var(--font-heading);
            font-size: 0.88rem;
            font-weight: 500;
            color: rgba(247,243,236,0.75);
            margin: 0 10px;
            padding: 8px 4px;
            border-bottom: 2px solid transparent;
            transition: var(--transition-base);
        }
        .site-header .nav-link:hover,
        .site-header .nav-link:focus {
            color: #FFFFFF;
            border-bottom-color: var(--accent);
        }
        .site-header .nav-link.active {
            color: #FFFFFF;
            border-bottom-color: var(--accent);
        }
        .site-header .navbar-toggler {
            border: 1px solid rgba(255,255,255,0.25);
            color: #F7F3EC;
            padding: 6px 10px;
        }
        .site-header .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--highlight);
        }
        .site-header .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(247,243,236,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .hero-panel {
            position: relative;
            overflow: hidden;
            background-color: var(--primary-dark);
            padding: 76px 0 64px;
        }
        .hero-panel::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/95265e381510aa5d.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 1;
        }
        .hero-panel .container {
            position: relative;
            z-index: 2;
        }
        .hero-panel .hero-title {
            color: #FFFFFF;
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 1.1rem;
        }
        .hero-panel .hero-title .highlight {
            color: var(--accent);
        }
        .hero-panel .hero-subtitle {
            color: rgba(247,243,236,0.75);
            font-size: 1.05rem;
            line-height: 1.9;
            margin-bottom: 1.8rem;
            max-width: 560px;
        }
        .hero-panel .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 1.6rem;
        }
        .hero-panel .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        .hero-stat-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            text-align: center;
            transition: var(--transition-base);
        }
        .hero-stat-card:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(215,38,110,0.4);
        }
        .hero-stat-card .stat-number {
            font-family: var(--font-mono);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--highlight);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .hero-stat-card .stat-label {
            font-family: var(--font-heading);
            font-size: 0.82rem;
            color: rgba(247,243,236,0.7);
        }
        .vs-panel {
            display: flex;
            align-items: stretch;
            gap: 0;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            background: var(--bg-card);
        }
        .vs-side {
            flex: 1;
            padding: 30px 26px;
            background: #FAF8F5;
        }
        .vs-side.vs-right {
            background: var(--primary-dark);
            color: #F7F3EC;
        }
        .vs-side h4 {
            font-size: 1.05rem;
            margin-bottom: 14px;
        }
        .vs-side ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .vs-side ul li {
            padding: 7px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .vs-side.vs-right ul li {
            border-bottom-color: rgba(255,255,255,0.08);
            color: rgba(247,243,236,0.85);
        }
        .vs-center {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0 18px;
            background: var(--bg-card);
            border-left: 1px solid var(--border-soft);
            border-right: 1px solid var(--border-soft);
        }
        .vs-badge {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--accent);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            box-shadow: 0 6px 16px rgba(215,38,110,0.3);
        }
        .timeline-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            justify-content: space-between;
        }
        .timeline-node {
            flex: 1 1 160px;
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 20px 16px;
            text-align: center;
            transition: var(--transition-base);
            position: relative;
        }
        .timeline-node:hover {
            transform: translateY(-4px);
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
        }
        .timeline-node .node-date {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .timeline-node .node-title {
            font-family: var(--font-heading);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .timeline-node .node-desc {
            font-size: 0.78rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 0;
        }
        .topic-cover-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
            height: 100%;
            cursor: pointer;
        }
        .topic-cover-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
        }
        .topic-cover-card img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }
        .topic-cover-body {
            padding: 18px 20px 20px;
        }
        .topic-cover-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .topic-cover-body .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .topic-cover-body .topic-tags span {
            font-family: var(--font-heading);
            font-size: 0.7rem;
            background: rgba(25,191,166,0.1);
            color: #0E7F6F;
            padding: 3px 10px;
            border-radius: 50px;
        }
        .topic-cover-body .topic-link-arrow {
            font-family: var(--font-heading);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-card-list {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            gap: 0;
            margin-bottom: 18px;
            cursor: pointer;
        }
        .article-card-list:hover {
            transform: translateY(-3px);
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
        }
        .article-card-list:last-child {
            margin-bottom: 0;
        }
        .article-card-list img {
            width: 220px;
            flex-shrink: 0;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }
        .article-card-body {
            padding: 18px 22px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .article-card-body h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .article-card-body .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.75rem;
            color: var(--text-secondary);
            font-family: var(--font-heading);
        }
        .article-card-body .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .scene-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 22px 18px;
            text-align: center;
            transition: var(--transition-base);
            height: 100%;
        }
        .scene-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
        }
        .scene-card .scene-icon {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .scene-card h5 {
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .scene-card p {
            font-size: 0.78rem;
            margin-bottom: 0;
            line-height: 1.6;
        }
        .security-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            align-items: center;
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-card);
            padding: 24px 28px;
        }
        .security-strip .strip-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 0.85rem;
            color: rgba(247,243,236,0.8);
        }
        .security-strip .strip-item i {
            color: var(--highlight);
            font-size: 1rem;
        }
        .quick-qa-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            transition: var(--transition-base);
            height: 100%;
        }
        .quick-qa-card:hover {
            border-color: var(--accent);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .quick-qa-card .qa-question {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .quick-qa-card .qa-answer {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }
        .accordion-brand .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-base);
            box-shadow: none;
        }
        .accordion-brand .accordion-item:last-child {
            margin-bottom: 0;
        }
        .accordion-brand .accordion-button {
            background: var(--primary-dark);
            color: #F7F3EC;
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 16px 20px;
            border-radius: 0;
            border: none;
            box-shadow: none;
        }
        .accordion-brand .accordion-button:not(.collapsed) {
            background: var(--primary-dark);
            color: #FFFFFF;
            box-shadow: none;
            border-left: 4px solid var(--accent);
        }
        .accordion-brand .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--highlight);
            outline-offset: -2px;
        }
        .accordion-brand .accordion-button::after {
            filter: brightness(0) invert(1);
            transition: var(--transition-base);
        }
        .accordion-brand .accordion-button:not(.collapsed)::after {
            filter: brightness(0) invert(1);
            transform: rotate(180deg);
        }
        .accordion-brand .accordion-body {
            background: var(--bg-card);
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
            padding: 18px 20px;
            border-left: 4px solid var(--accent);
        }
        .hot-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .hot-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 50px;
            font-family: var(--font-heading);
            font-size: 0.82rem;
            font-weight: 500;
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            color: var(--text-primary);
            transition: var(--transition-base);
            text-decoration: none;
        }
        .hot-tag:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .hot-tag .tag-count {
            font-family: var(--font-mono);
            font-size: 0.7rem;
            color: var(--highlight);
        }
        .form-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 30px 28px;
        }
        .form-control-custom {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid var(--border-soft);
            background: #FAF8F5;
            font-family: var(--font-heading);
            font-size: 0.9rem;
            transition: var(--transition-base);
            color: var(--text-primary);
        }
        .form-control-custom:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(215,38,110,0.15);
            background: #FFFFFF;
        }
        .form-label-custom {
            font-family: var(--font-heading);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text-primary);
            margin-bottom: 6px;
            display: block;
        }
        .compliance-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .snapshot-card {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            text-align: center;
            transition: var(--transition-base);
            height: 100%;
        }
        .snapshot-card:hover {
            background: rgba(255,255,255,0.09);
            border-color: rgba(215,38,110,0.4);
            transform: translateY(-3px);
        }
        .snapshot-card .snap-number {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--highlight);
        }
        .snapshot-card .snap-label {
            font-family: var(--font-heading);
            font-size: 0.82rem;
            color: rgba(247,243,236,0.7);
            margin-top: 6px;
        }
        .site-footer {
            background: var(--primary-dark);
            color: rgba(247,243,236,0.7);
            padding: 56px 0 28px;
            font-size: 0.85rem;
        }
        .site-footer h5 {
            color: #FFFFFF;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 18px;
            font-family: var(--font-heading);
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: rgba(247,243,236,0.65);
            text-decoration: none;
            transition: var(--transition-base);
            font-family: var(--font-heading);
            font-size: 0.82rem;
        }
        .site-footer ul li a:hover {
            color: #FFFFFF;
            padding-left: 4px;
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .site-footer .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            margin-top: 36px;
            font-size: 0.78rem;
            color: rgba(247,243,236,0.5);
            font-family: var(--font-heading);
        }
        .section-title-wrap {
            margin-bottom: 36px;
        }
        .section-title-wrap h2 {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        .section-title-wrap p {
            font-size: 0.95rem;
            max-width: 680px;
            margin-bottom: 0;
        }
        .divider-custom {
            width: 52px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin: 14px 0 0;
        }
        @media (max-width: 1024px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .hero-panel .hero-title {
                font-size: 2.3rem;
            }
            .hero-stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .hero-stat-card .stat-number {
                font-size: 2rem;
            }
            .article-card-list img {
                width: 160px;
            }
            .vs-panel {
                flex-direction: column;
            }
            .vs-center {
                padding: 12px 0;
                border-left: none;
                border-right: none;
                border-top: 1px solid var(--border-soft);
                border-bottom: 1px solid var(--border-soft);
            }
            .vs-badge {
                width: 44px;
                height: 44px;
                font-size: 0.75rem;
            }
        }
        @media (max-width: 768px) {
            .section-pad {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }
            .section-pad-sm {
                padding-top: 36px;
                padding-bottom: 36px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .hero-panel {
                padding: 48px 0 40px;
            }
            .hero-panel .hero-title {
                font-size: 1.8rem;
            }
            .hero-panel .hero-subtitle {
                font-size: 0.92rem;
            }
            .hero-stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                margin-top: 24px;
            }
            .hero-stat-card {
                padding: 16px 12px;
            }
            .hero-stat-card .stat-number {
                font-size: 1.6rem;
            }
            .article-card-list {
                flex-direction: column;
            }
            .article-card-list img {
                width: 100%;
                aspect-ratio: 16 / 9;
            }
            .article-card-body {
                padding: 16px 18px;
            }
            .timeline-wrap {
                flex-direction: column;
                gap: 12px;
            }
            .timeline-node {
                flex: 1 1 auto;
            }
            .section-title-wrap {
                margin-bottom: 24px;
            }
            .section-title-wrap h2 {
                font-size: 1.4rem;
            }
            .form-card {
                padding: 22px 18px;
            }
            .site-header .navbar-brand {
                font-size: 0.95rem;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
            .site-header .nav-link {
                margin: 4px 0;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-panel .hero-title {
                font-size: 1.55rem;
            }
            .hero-panel .hero-subtitle {
                font-size: 0.85rem;
            }
            .hero-stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .hero-stat-card .stat-number {
                font-size: 1.35rem;
            }
            .btn-brand, .btn-outline-brand, .btn-light-brand {
                padding: 10px 20px;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }
            .hero-panel .hero-cta {
                flex-direction: column;
            }
            .scene-card {
                padding: 16px 12px;
            }
            .security-strip {
                flex-direction: column;
                gap: 12px;
                padding: 18px 16px;
            }
            .quick-qa-card, .snapshot-card {
                padding: 14px 12px;
            }
            .section-title-wrap h2 {
                font-size: 1.3rem;
            }
            .vs-side {
                padding: 20px 16px;
            }
            .timeline-node {
                padding: 16px 12px;
            }
            .topic-cover-body {
                padding: 14px 16px;
            }
            .site-footer h5 {
                font-size: 0.85rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-main: #F7F3EC;
            --bg-card: #FFFFFF;
            --text-primary: #1D1A1F;
            --text-secondary: #6B6570;
            --primary-dark: #190F2A;
            --accent: #D7266E;
            --accent-hover: #B01E5A;
            --highlight: #19BFA6;
            --border-soft: #E5DED4;
            --warning: #F5A623;
            --radius-card: 15px;
            --radius-btn: 50px;
            --shadow-card: 0 8px 20px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 14px 32px rgba(0,0,0,0.08);
            --font-heading: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', sans-serif;
            --font-body: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
            --font-mono: 'Roboto Mono', 'DIN Alternate', monospace;
            --section-padding-desktop: 80px;
            --section-padding-mobile: 44px;
            --transition-base: all 0.28s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg-main);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1180px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-pad {
            padding-top: var(--section-padding-desktop);
            padding-bottom: var(--section-padding-desktop);
        }
        .section-pad-sm {
            padding-top: 52px;
            padding-bottom: 52px;
        }
        .bg-dark-section {
            background-color: var(--primary-dark);
            color: #F7F3EC;
        }
        .bg-dark-section h2,
        .bg-dark-section h3 {
            color: #FFFFFF;
        }
        .bg-dark-section p {
            color: rgba(247,243,236,0.75);
        }
        .bg-white-section {
            background-color: var(--bg-card);
        }
        .text-mono {
            font-family: var(--font-mono);
        }
        .text-accent {
            color: var(--accent) !important;
        }
        .text-highlight {
            color: var(--highlight) !important;
        }
        .badge-soft {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 50px;
            font-family: var(--font-heading);
            font-size: 0.75rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            background-color: rgba(215,38,110,0.08);
            color: var(--accent);
            border: 1px solid rgba(215,38,110,0.15);
            white-space: nowrap;
        }
        .badge-dark {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 50px;
            font-family: var(--font-heading);
            font-size: 0.75rem;
            font-weight: 500;
            background-color: rgba(255,255,255,0.1);
            color: #F7F3EC;
            border: 1px solid rgba(255,255,255,0.15);
            white-space: nowrap;
        }
        .badge-warning {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 50px;
            font-family: var(--font-heading);
            font-size: 0.75rem;
            font-weight: 500;
            background-color: rgba(245,166,35,0.12);
            color: var(--warning);
            border: 1px solid rgba(245,166,35,0.25);
            white-space: nowrap;
        }
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.01em;
            background-color: var(--accent);
            color: #FFFFFF;
            border: 2px solid var(--accent);
            transition: var(--transition-base);
            text-decoration: none;
            cursor: pointer;
        }
        .btn-brand:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(215,38,110,0.25);
        }
        .btn-brand:focus {
            outline: 2px solid var(--highlight);
            outline-offset: 3px;
        }
        .btn-brand:active {
            transform: translateY(0);
            box-shadow: 0 4px 10px rgba(215,38,110,0.2);
        }
        .btn-outline-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.01em;
            background-color: transparent;
            color: var(--primary-dark);
            border: 2px solid var(--primary-dark);
            transition: var(--transition-base);
            text-decoration: none;
            cursor: pointer;
        }
        .btn-outline-brand:hover {
            background-color: var(--primary-dark);
            color: #F7F3EC;
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(25,15,42,0.18);
        }
        .btn-outline-brand:focus {
            outline: 2px solid var(--highlight);
            outline-offset: 3px;
        }
        .btn-light-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 600;
            background-color: #FFFFFF;
            color: var(--text-primary);
            border: 2px solid #FFFFFF;
            transition: var(--transition-base);
            text-decoration: none;
            cursor: pointer;
        }
        .btn-light-brand:hover {
            background-color: transparent;
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
        }
        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background-color: var(--primary-dark);
            box-shadow: 0 2px 16px rgba(0,0,0,0.35);
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .navbar-brand {
            font-family: var(--font-heading);
            font-size: 1.12rem;
            font-weight: 800;
            letter-spacing: 0.01em;
            color: #FFFFFF;
            line-height: 1.25;
        }
        .navbar-brand .brand-highlight {
            color: var(--accent);
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 1.25rem;
        }
        .navbar-brand:hover {
            color: #FFFFFF;
            opacity: 0.85;
        }
        .navbar-nav .nav-link {
            font-family: var(--font-heading);
            font-size: 0.88rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            color: rgba(247,243,236,0.72) !important;
            padding: 8px 16px !important;
            transition: var(--transition-base);
            border-radius: 4px;
            position: relative;
        }
        .navbar-nav .nav-link:hover {
            color: #FFFFFF !important;
        }
        .navbar-nav .nav-link.active {
            color: var(--accent) !important;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            background-color: var(--accent);
            border-radius: 2px;
        }
        .navbar-toggler {
            border-color: rgba(255,255,255,0.3);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--highlight);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(247,243,236,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        /* Category breadcrumb banner */
        .cat-banner {
            background-color: var(--primary-dark);
            background-image: linear-gradient(135deg, rgba(25,15,42,0.92) 0%, rgba(25,15,42,0.78) 100%), url('/assets/images/95265e381510aa5d.webp');
            background-size: cover;
            background-position: center;
            padding-top: 46px;
            padding-bottom: 46px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .cat-banner .breadcrumb {
            margin-bottom: 12px;
            --bs-breadcrumb-divider-color: rgba(255,255,255,0.45);
        }
        .cat-banner .breadcrumb-item,
        .cat-banner .breadcrumb-item a {
            font-family: var(--font-heading);
            font-size: 0.8rem;
            letter-spacing: 0.03em;
            color: rgba(255,255,255,0.55);
        }
        .cat-banner .breadcrumb-item a:hover {
            color: var(--accent);
        }
        .cat-banner .breadcrumb-item.active {
            color: rgba(255,255,255,0.8);
        }
        .cat-banner h1 {
            font-family: var(--font-heading);
            font-size: clamp(1.6rem, 4vw, 2.4rem);
            font-weight: 800;
            letter-spacing: 0.01em;
            color: #FFFFFF;
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .cat-banner .cat-sub {
            font-family: var(--font-body);
            font-size: 0.95rem;
            color: rgba(247,243,236,0.65);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* Filter bar */
        .filter-bar {
            padding-top: 24px;
            padding-bottom: 8px;
        }
        .filter-bar .filter-label {
            font-family: var(--font-heading);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-secondary);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            white-space: nowrap;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 50px;
            font-family: var(--font-heading);
            font-size: 0.8rem;
            font-weight: 500;
            background-color: var(--bg-card);
            color: var(--text-primary);
            border: 1px solid var(--border-soft);
            transition: var(--transition-base);
            cursor: default;
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .filter-tag.active-tag {
            border-color: var(--accent);
            background-color: rgba(215,38,110,0.06);
            color: var(--accent);
        }
        /* Horizontal card list */
        .topic-card-h {
            display: flex;
            flex-direction: row;
            gap: 20px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
            height: 100%;
        }
        .topic-card-h:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--accent);
        }
        .topic-card-h .card-cover {
            flex: 0 0 280px;
            max-width: 280px;
            aspect-ratio: 16/9;
            overflow: hidden;
            background-color: #E9E2D6;
        }
        .topic-card-h .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-base);
        }
        .topic-card-h:hover .card-cover img {
            transform: scale(1.04);
        }
        .topic-card-h .card-body-custom {
            flex: 1 1 auto;
            padding: 20px 22px 16px 0;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }
        .topic-card-h .card-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 0.72rem;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
            margin-bottom: 8px;
        }
        .topic-card-h .card-meta .meta-dot {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background-color: var(--border-soft);
            flex-shrink: 0;
        }
        .topic-card-h .card-title-sm {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 6px;
            letter-spacing: 0.01em;
        }
        .topic-card-h:hover .card-title-sm {
            color: var(--accent);
        }
        .topic-card-h .card-summary {
            font-family: var(--font-body);
            font-size: 0.86rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .topic-card-h .card-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: auto;
            padding-top: 10px;
            border-top: 1px solid var(--border-soft);
        }
        .topic-card-h .card-tags .mini-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 50px;
            font-family: var(--font-heading);
            font-size: 0.7rem;
            font-weight: 500;
            background-color: rgba(25,191,166,0.08);
            color: var(--highlight);
            border: 1px solid rgba(25,191,166,0.18);
            white-space: nowrap;
        }
        /* Update rule */
        .rule-banner {
            background-color: var(--primary-dark);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            border: 1px solid rgba(255,255,255,0.06);
        }
        .rule-banner .rule-icon {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: rgba(245,166,35,0.15);
            color: var(--warning);
            font-size: 1.5rem;
        }
        .rule-banner .rule-content {
            flex: 1 1 auto;
            min-width: 200px;
        }
        .rule-banner .rule-content h3 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 4px;
        }
        .rule-banner .rule-content p {
            font-family: var(--font-body);
            font-size: 0.85rem;
            color: rgba(247,243,236,0.65);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .rule-banner .rule-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .rule-banner .rule-badges .badge-warning,
        .rule-banner .rule-badges .badge-dark {
            font-size: 0.72rem;
        }
        /* Tag cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud .cloud-link {
            display: inline-block;
            padding: 7px 18px;
            border-radius: 50px;
            font-family: var(--font-heading);
            font-size: 0.82rem;
            font-weight: 500;
            background-color: var(--bg-card);
            color: var(--text-primary);
            border: 1px solid var(--border-soft);
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .tag-cloud .cloud-link:hover {
            border-color: var(--accent);
            color: var(--accent);
            background-color: rgba(215,38,110,0.04);
        }
        .tag-cloud .cloud-link.accent-link {
            border-color: var(--accent);
            color: var(--accent);
            background-color: rgba(215,38,110,0.05);
        }
        /* CTA section */
        .cta-panel {
            background-color: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 40px 44px;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-panel .cta-info {
            flex: 1 1 55%;
            min-width: 260px;
        }
        .cta-panel .cta-info h2 {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }
        .cta-panel .cta-info p {
            font-family: var(--font-body);
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .cta-panel .cta-actions {
            flex: 0 0 auto;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        /* Related recommendation */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px;
            transition: var(--transition-base);
            display: block;
        }
        .related-item:hover {
            transform: translateY(-3px);
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
        }
        .related-item .rel-icon {
            font-size: 1.4rem;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .related-item h4 {
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .related-item p {
            font-family: var(--font-body);
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }
        /* Footer */
        .site-footer {
            background-color: var(--primary-dark);
            color: #F7F3EC;
            padding-top: 56px;
            padding-bottom: 28px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 800;
            letter-spacing: 0.01em;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .site-footer h5 {
            font-family: var(--font-heading);
            font-size: 0.9rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #FFFFFF;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            font-family: var(--font-heading);
            font-size: 0.85rem;
            color: rgba(247,243,236,0.55);
            transition: var(--transition-base);
        }
        .site-footer ul li a:hover {
            color: var(--accent);
            padding-left: 3px;
        }
        .site-footer .copyright {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-family: var(--font-heading);
            font-size: 0.78rem;
            color: rgba(247,243,236,0.45);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        /* Section title */
        .section-label-tag {
            font-family: var(--font-heading);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: clamp(1.3rem, 3vw, 1.7rem);
            font-weight: 800;
            letter-spacing: 0.01em;
            color: var(--text-primary);
            line-height: 1.35;
            margin-bottom: 16px;
        }
        .section-desc {
            font-family: var(--font-body);
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 720px;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-padding-desktop: 64px;
            }
            .topic-card-h .card-cover {
                flex: 0 0 220px;
                max-width: 220px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-padding-desktop: 52px;
                --section-padding-mobile: 36px;
            }
            .navbar-brand {
                font-size: 0.95rem;
            }
            .navbar-nav .nav-link {
                padding: 10px 0 !important;
                font-size: 0.9rem;
            }
            .navbar-nav .nav-link.active::after {
                left: 0;
                right: 0;
                bottom: 0;
            }
            .topic-card-h {
                flex-direction: column;
            }
            .topic-card-h .card-cover {
                flex: 0 0 auto;
                max-width: 100%;
                aspect-ratio: 16/9;
                width: 100%;
            }
            .topic-card-h .card-body-custom {
                padding: 16px 20px 18px 20px;
            }
            .cat-banner {
                padding-top: 32px;
                padding-bottom: 32px;
            }
            .cta-panel {
                padding: 28px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .rule-banner {
                padding: 24px 20px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --section-padding-desktop: 40px;
                --section-padding-mobile: 28px;
            }
            .btn-brand,
            .btn-outline-brand {
                padding: 10px 20px;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }
            .topic-card-h .card-title-sm {
                font-size: 0.95rem;
            }
            .filter-bar .filter-label {
                font-size: 0.75rem;
                width: 100%;
                margin-bottom: 8px;
            }
            .filter-tag {
                font-size: 0.72rem;
                padding: 5px 12px;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .cta-panel .cta-actions {
                width: 100%;
                flex-direction: column;
            }
            .cta-panel .cta-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .rule-banner .rule-badges {
                width: 100%;
            }
        }