/* roulang page: index */
:root {
            --bg-deep: #150A26;
            --bg-deep2: #1A0F2E;
            --card-bg: #201636;
            --card-bg2: #251B3A;
            --accent: #00E5A0;
            --accent-hover: #00f5b5;
            --accent-dim: rgba(0, 229, 160, 0.16);
            --secondary: #FF6B2C;
            --secondary-dim: rgba(255, 107, 44, 0.18);
            --text-main: #F5F5F7;
            --text-sub: #B8B2C7;
            --text-muted: #8A839B;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-accent: rgba(0, 229, 160, 0.35);
            --radius-card: 16px;
            --radius-tag: 8px;
            --radius-img: 12px;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.35);
            --shadow-btn: 0 8px 20px rgba(0, 229, 160, 0.25);
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --section-pad: 80px;
            --section-pad-m: 40px;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-deep);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }

        a:hover {
            color: var(--accent-hover);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .section-pad {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
        }

        .section-pad-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }

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

        .section-badge {
            display: inline-block;
            background: var(--accent-dim);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.6px;
            margin-bottom: 16px;
            border: 1px solid var(--border-accent);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 14px;
            color: var(--text-main);
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-sub);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .text-accent {
            color: var(--accent);
        }
        .text-secondary {
            color: var(--secondary);
        }
        .text-sub {
            color: var(--text-sub);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-deep);
            border-bottom: 1px solid var(--border-subtle);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 20px;
            background: var(--bg-deep);
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.5px;
            text-decoration: none;
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--accent);
        }
        .brand-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-deep);
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .icon-btn {
            background: transparent;
            border: none;
            color: var(--text-sub);
            font-size: 1.1rem;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .icon-btn:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.06);
        }
        .btn-subscribe-nav {
            background: var(--accent);
            color: var(--bg-deep);
            border: none;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .btn-subscribe-nav:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-btn);
        }

        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--border-subtle);
            color: var(--text-main);
            font-size: 1.3rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
        }

        .channel-row {
            display: flex;
            align-items: center;
            gap: 20px;
            height: 48px;
            padding: 0 20px;
            background: var(--bg-deep2);
            border-top: 1px solid var(--border-subtle);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-subtle) transparent;
        }
        .channel-row::-webkit-scrollbar {
            height: 4px;
        }
        .channel-row::-webkit-scrollbar-thumb {
            background: var(--border-subtle);
            border-radius: 4px;
        }

        .channel-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-sub);
            text-decoration: none;
            padding: 6px 14px;
            border-radius: 20px;
            white-space: nowrap;
            transition: all 0.2s;
            border: 1px solid transparent;
        }
        .channel-link:hover {
            color: var(--accent);
            background: var(--accent-dim);
        }
        .channel-link.active {
            color: var(--bg-deep);
            background: var(--accent);
            font-weight: 700;
            border-color: var(--accent);
        }

        /* Hero */
        .hero-section {
            background-image: linear-gradient(rgba(21, 10, 38, 0.82), rgba(21, 10, 38, 0.92)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 580px;
            display: flex;
            align-items: center;
            position: relative;
            padding-top: 60px;
            padding-bottom: 60px;
        }

        .hero-content {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
        }

        .hero-text {
            flex: 1 1 520px;
        }
        .hero-icon-grid {
            flex: 1 1 280px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        .hero-title {
            font-size: 2.75rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 18px;
            color: var(--text-main);
        }
        .hero-subtitle {
            font-size: 1rem;
            color: var(--text-sub);
            max-width: 580px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .btn-primary-g {
            background: var(--accent);
            color: var(--bg-deep);
            border: none;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 26px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary-g:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn);
            color: var(--bg-deep);
        }
        .btn-outline-g {
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 11px 24px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-g:hover {
            background: var(--accent);
            color: var(--bg-deep);
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn);
        }

        .hero-icon-item {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: 14px;
            padding: 18px 14px;
            text-align: center;
            transition: all 0.25s;
            box-shadow: var(--shadow-card);
        }
        .hero-icon-item:hover {
            border-color: var(--border-accent);
            transform: translateY(-3px);
        }
        .hero-icon-item .icon-wrap {
            font-size: 1.6rem;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .hero-icon-item .icon-label {
            font-size: 0.8rem;
            color: var(--text-sub);
            font-weight: 600;
        }

        /* Metrics Row */
        .metrics-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 32px;
        }
        .metric-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 18px 16px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all 0.25s;
        }
        .metric-card:hover {
            border-color: var(--border-accent);
            transform: translateY(-2px);
        }
        .metric-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .metric-unit {
            font-size: 0.85rem;
            color: var(--text-sub);
            margin-top: 4px;
        }

        /* Brand intro */
        .brand-intro {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            align-items: center;
            background: var(--card-bg2);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
        }
        .brand-intro-text {
            flex: 1 1 400px;
        }
        .brand-intro-text h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .brand-intro-text p {
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .brand-intro-visual {
            flex: 1 1 280px;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 18px;
        }
        .mini-stat {
            text-align: center;
            background: var(--bg-deep);
            border-radius: 12px;
            padding: 18px 14px;
            border: 1px solid var(--border-subtle);
            min-width: 90px;
        }
        .mini-stat .num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent);
        }
        .mini-stat .lbl {
            font-size: 0.75rem;
            color: var(--text-sub);
        }

        /* Series Nav */
        .series-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .series-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 22px 18px;
            box-shadow: var(--shadow-card);
            transition: all 0.25s;
            text-decoration: none;
            color: var(--text-main);
            display: block;
        }
        .series-card:hover {
            border-color: var(--border-accent);
            transform: translateY(-4px);
            color: var(--text-main);
        }
        .series-card .series-icon {
            font-size: 1.5rem;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .series-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .series-card p {
            font-size: 0.82rem;
            color: var(--text-sub);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Service Matrix */
        .service-matrix .row>* {
            margin-bottom: 20px;
        }
        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 26px 22px;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: all 0.25s;
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            border-color: var(--border-accent);
            transform: translateY(-3px);
        }
        .service-card .svc-icon {
            font-size: 1.5rem;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .service-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .service-card p {
            font-size: 0.85rem;
            color: var(--text-sub);
            line-height: 1.7;
            flex-grow: 1;
        }
        .service-card .svc-link {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent);
            text-decoration: none;
            margin-top: 12px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .service-card .svc-link .arrow {
            transition: transform 0.2s;
        }
        .service-card .svc-link:hover .arrow {
            transform: translateX(4px);
        }
        .service-card .svc-img {
            border-radius: var(--radius-img);
            overflow: hidden;
            margin-bottom: 14px;
        }
        .service-card .svc-img img {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }

        /* Data Analysis */
        .data-kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .kpi-card {
            background: var(--card-bg2);
            border: 1px solid var(--border-subtle);
            border-radius: 14px;
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .kpi-card .kpi-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary);
        }
        .kpi-card .kpi-label {
            font-size: 0.8rem;
            color: var(--text-sub);
        }
        .kpi-card .kpi-trend {
            font-size: 0.75rem;
            color: var(--accent);
            font-weight: 600;
        }

        /* Comparison */
        .compare-section {
            background: var(--bg-deep2);
            border-radius: var(--radius-card);
            padding: 36px 28px;
            border: 1px solid var(--border-subtle);
        }
        .compare-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 0;
            margin-top: 24px;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }
        .compare-col {
            padding: 20px 18px;
        }
        .compare-col.dim {
            background: var(--card-bg);
        }
        .compare-col.a {
            background: #2A2040;
        }
        .compare-col.b {
            background: #1F3A33;
        }
        .compare-col .compare-head {
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .compare-col .compare-row {
            font-size: 0.85rem;
            color: var(--text-sub);
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .compare-col .compare-row:last-child {
            border-bottom: none;
        }
        .compare-col .compare-row .val {
            font-weight: 700;
            color: var(--accent);
        }
        .compare-col .compare-row .val.neg {
            color: var(--secondary);
        }

        /* Deep Content */
        .deep-article {
            max-width: 800px;
            margin: 0 auto;
        }
        .deep-article h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-top: 32px;
            margin-bottom: 16px;
            padding-left: 14px;
            border-left: 3px solid var(--accent);
            line-height: 1.4;
        }
        .deep-article p {
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 20px;
            font-size: 0.95rem;
        }
        .deep-article .article-img {
            border-radius: var(--radius-img);
            overflow: hidden;
            margin: 24px 0;
        }
        .deep-article .article-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .deep-article .img-caption {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 8px;
            text-align: center;
        }

        /* News */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 18px;
            box-shadow: var(--shadow-card);
            transition: all 0.2s;
        }
        .news-item:hover {
            border-color: var(--border-accent);
        }
        .news-item .news-img {
            flex: 0 0 160px;
            border-radius: var(--radius-img);
            overflow: hidden;
        }
        .news-item .news-img img {
            width: 100%;
            height: 110px;
            object-fit: cover;
        }
        .news-item .news-body {
            flex: 1 1 260px;
        }
        .news-item .news-date {
            font-size: 0.75rem;
            color: var(--secondary);
            font-weight: 700;
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }
        .news-item h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .news-item .news-summary {
            font-size: 0.82rem;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .btn-readmore {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-item .btn-readmore .arrow {
            transition: transform 0.2s;
        }
        .news-item .btn-readmore:hover .arrow {
            transform: translateX(4px);
        }

        /* Guarantee icons */
        .guarantee-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .guarantee-item {
            text-align: center;
            background: var(--card-bg2);
            border-radius: 14px;
            padding: 22px 16px;
            border: 1px solid var(--border-subtle);
        }
        .guarantee-item .g-icon {
            font-size: 1.6rem;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .guarantee-item .g-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-main);
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .accordion-custom .accordion-button {
            background: var(--card-bg);
            color: var(--text-main);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 18px 22px;
            border: none;
            border-radius: var(--radius-card) !important;
            box-shadow: none;
            transition: all 0.2s;
            min-height: 56px;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--card-bg2);
            color: var(--accent);
            box-shadow: none;
        }
        .accordion-custom .accordion-button::after {
            content: '+';
            background-image: none;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            transition: transform 0.25s;
        }
        .accordion-custom .accordion-button:not(.collapsed)::after {
            content: '-';
            transform: rotate(0deg);
        }
        .accordion-custom .accordion-body {
            background: var(--bg-deep2);
            color: var(--text-sub);
            font-size: 0.9rem;
            line-height: 1.7;
            padding: 18px 22px 22px 22px;
            border-left: 3px solid var(--accent);
            margin-left: 16px;
            margin-right: 16px;
            margin-bottom: 16px;
            border-radius: 0 8px 8px 0;
        }

        /* Reviews */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }
        .review-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-card);
        }
        .review-card .review-stars {
            color: var(--secondary);
            font-size: 0.9rem;
            margin-bottom: 8px;
        }
        .review-card .review-text {
            font-size: 0.88rem;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .review-card .review-author {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent);
        }

        /* Member Entry */
        .member-entry {
            background: var(--accent-dim);
            border: 1px solid var(--border-accent);
            border-radius: var(--radius-card);
            padding: 32px 26px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
        }
        .member-entry-text {
            flex: 1 1 380px;
        }
        .member-entry-text h3 {
            font-weight: 800;
            font-size: 1.4rem;
            margin-bottom: 10px;
        }
        .member-entry-text p {
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .member-entry .btn-primary-g {
            flex-shrink: 0;
        }

        /* CTA Form */
        .form-card {
            background: var(--card-bg2);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 36px 28px;
            box-shadow: var(--shadow-card);
        }
        .form-card .form-label {
            color: var(--text-sub);
            font-weight: 600;
            font-size: 0.85rem;
        }
        .form-card .form-control {
            background: #1C142E;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 8px;
            color: var(--text-main);
            height: 46px;
            font-size: 0.9rem;
            transition: border-color 0.2s;
        }
        .form-card .form-control:focus {
            border-color: var(--accent);
            border-width: 2px;
            box-shadow: none;
            background: #1C142E;
            color: var(--text-main);
        }
        .form-card textarea.form-control {
            height: auto;
            min-height: 100px;
            resize: vertical;
        }
        .form-note {
            font-size: 0.82rem;
            color: var(--text-sub);
            line-height: 1.7;
            margin-top: 14px;
        }

        /* Floating CTA */
        .floating-cta {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 990;
            background: var(--card-bg2);
            border: 1px solid var(--border-accent);
            border-radius: 40px;
            padding: 10px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.5);
            max-width: 90vw;
        }
        .floating-cta .flt-text {
            font-size: 0.85rem;
            color: var(--text-sub);
            white-space: nowrap;
        }
        .floating-cta .btn-sm-cta {
            background: var(--accent);
            color: var(--bg-deep);
            border: none;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 8px 16px;
            border-radius: 24px;
            cursor: pointer;
            white-space: nowrap;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep2);
            border-top: 1px solid var(--border-subtle);
            padding-top: 48px;
            padding-bottom: 32px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 30px;
        }
        .footer-brand .brand-logo {
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.82rem;
            color: var(--text-sub);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-main);
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.82rem;
            color: var(--text-sub);
            text-decoration: none;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            margin-top: 30px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-sub);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1199px) {
            .hero-title {
                font-size: 2.3rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 991px) {
            .service-matrix .row>* {
                margin-bottom: 16px;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .compare-col {
                border-bottom: 1px solid var(--border-subtle);
            }
            .compare-col:last-child {
                border-bottom: none;
            }
            .data-kpi-grid,
            .guarantee-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .series-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .brand-row {
                height: 58px;
                padding: 0 14px;
            }
            .brand-actions .btn-subscribe-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .channel-row {
                padding: 0 14px;
                gap: 12px;
            }
            .channel-link {
                font-size: 0.78rem;
                padding: 5px 10px;
            }
            .hero-section {
                min-height: auto;
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .hero-content {
                flex-direction: column;
            }
            .hero-icon-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .metrics-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .metric-value {
                font-size: 1.5rem;
            }
            .section-pad {
                padding-top: var(--section-pad-m);
                padding-bottom: var(--section-pad-m);
            }
            .section-title {
                font-size: 1.4rem;
            }
            .series-grid {
                grid-template-columns: 1fr;
            }
            .data-kpi-grid,
            .guarantee-bar {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item .news-img {
                flex: 0 0 auto;
            }
            .news-item .news-img img {
                height: 160px;
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .floating-cta {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 12px 16px;
                border-radius: 16px;
            }
            .floating-cta .flt-text {
                white-space: normal;
                font-size: 0.78rem;
            }
            .brand-intro {
                flex-direction: column;
                padding: 24px 18px;
            }
            .member-entry {
                flex-direction: column;
                align-items: flex-start;
            }
            .form-card {
                padding: 24px 18px;
            }
            .deep-article h3 {
                font-size: 1.15rem;
            }
        }

        @media (max-width: 519px) {
            .hero-icon-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .hero-icon-item {
                padding: 12px 8px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .btn-primary-g,
            .btn-outline-g {
                width: 100%;
                justify-content: center;
                font-size: 0.85rem;
                padding: 10px 18px;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .metric-card {
                padding: 12px 10px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #150A26;
            --bg-deep2: #1A0F2E;
            --card-bg: #201636;
            --card-bg2: #251B3A;
            --accent: #00E5A0;
            --accent-hover: #00f5b5;
            --accent-dim: rgba(0, 229, 160, 0.16);
            --secondary: #FF6B2C;
            --secondary-dim: rgba(255, 107, 44, 0.18);
            --text-main: #F5F5F7;
            --text-sub: #B8B2C7;
            --text-muted: #8A839B;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-accent: rgba(0, 229, 160, 0.35);
            --radius-card: 16px;
            --radius-tag: 8px;
            --radius-img: 12px;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.35);
            --shadow-btn: 0 8px 20px rgba(0, 229, 160, 0.25);
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --section-pad: 60px;
            --section-pad-m: 32px;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-deep);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }
        a:hover {
            color: var(--accent-hover);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .section-pad {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
        }
        .section-pad-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-badge {
            display: inline-block;
            background: var(--accent-dim);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.6px;
            margin-bottom: 16px;
            border: 1px solid var(--border-accent);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 14px;
            color: var(--text-main);
            line-height: 1.25;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-sub);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 36px;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-secondary {
            color: var(--secondary);
        }
        .text-sub {
            color: var(--text-sub);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-deep);
            border-bottom: 1px solid var(--border-subtle);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 20px;
            background: var(--bg-deep);
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.5px;
            text-decoration: none;
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--accent);
        }
        .brand-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-deep);
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .icon-btn {
            background: transparent;
            border: none;
            color: var(--text-sub);
            font-size: 1.1rem;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .icon-btn:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.06);
        }
        .btn-subscribe-nav {
            background: var(--accent);
            color: var(--bg-deep);
            border: none;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .btn-subscribe-nav:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-btn);
        }
        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--border-subtle);
            color: var(--text-main);
            font-size: 1.3rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .hamburger:hover {
            color: var(--accent);
            border-color: var(--border-accent);
        }
        .channel-row {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 20px;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: thin;
            scrollbar-color: var(--border-accent) transparent;
            max-width: var(--container-max);
            margin: 0 auto;
            background: var(--bg-deep);
            border-top: 1px solid var(--border-subtle);
        }
        .channel-row::-webkit-scrollbar {
            height: 4px;
        }
        .channel-row::-webkit-scrollbar-track {
            background: transparent;
        }
        .channel-row::-webkit-scrollbar-thumb {
            background: var(--border-accent);
            border-radius: 2px;
        }
        .channel-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-sub);
            text-decoration: none;
            transition: all 0.2s;
            border: 1px solid transparent;
            flex-shrink: 0;
        }
        .channel-link:hover {
            color: var(--accent);
            background: var(--accent-dim);
        }
        .channel-link.active {
            color: var(--bg-deep);
            background: var(--accent);
            font-weight: 700;
            border-color: var(--accent);
            box-shadow: var(--shadow-btn);
        }
        .channel-link.active:hover {
            color: var(--bg-deep);
            background: var(--accent-hover);
        }

        /* Mobile Nav Collapse */
        @media (max-width: 767.98px) {
            .hamburger {
                display: block;
            }
            .brand-actions .icon-btn.search-btn {
                display: none;
            }
            .brand-actions .btn-subscribe-nav {
                display: none;
            }
            .brand-actions {
                gap: 8px;
            }
            .channel-row {
                height: 44px;
                gap: 4px;
                padding: 0 12px;
            }
            .channel-link {
                font-size: 0.82rem;
                padding: 5px 12px;
            }
        }
        @media (max-width: 575.98px) {
            .brand-row {
                height: 56px;
                padding: 0 12px;
            }
            .brand-logo {
                font-size: 1.15rem;
                gap: 8px;
            }
            .brand-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
                border-radius: 6px;
            }
            .channel-row {
                height: 40px;
                gap: 2px;
            }
            .channel-link {
                font-size: 0.75rem;
                padding: 4px 10px;
            }
            .section-pad {
                padding-top: var(--section-pad-m);
                padding-bottom: var(--section-pad-m);
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            min-height: 280px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(21, 10, 38, 0.72);
            z-index: 1;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent) 0%, transparent 60%);
            z-index: 2;
        }
        .category-hero .container-custom {
            position: relative;
            z-index: 3;
        }
        .category-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            line-height: 1.2;
        }
        .category-hero .hero-sub {
            font-size: 1.05rem;
            color: var(--text-sub);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .category-hero .hero-date {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 4px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        @media (max-width: 767.98px) {
            .category-hero {
                min-height: 220px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-sub {
                font-size: 0.9rem;
            }
        }

        /* Sub-channel Tags */
        .sub-channel-bar {
            background: var(--bg-deep2);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: thin;
            scrollbar-color: var(--border-accent) transparent;
        }
        .sub-channel-bar::-webkit-scrollbar {
            height: 3px;
        }
        .sub-channel-bar::-webkit-scrollbar-thumb {
            background: var(--border-accent);
            border-radius: 2px;
        }
        .sub-channel-bar .container-custom {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sub-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-sub);
            text-decoration: none;
            transition: all 0.2s;
            border: 1px solid var(--border-subtle);
            flex-shrink: 0;
            cursor: pointer;
            background: transparent;
        }
        .sub-tag:hover {
            color: var(--accent);
            border-color: var(--border-accent);
            background: var(--accent-dim);
        }
        .sub-tag.active {
            color: var(--bg-deep);
            background: var(--accent);
            border-color: var(--accent);
            font-weight: 700;
            box-shadow: var(--shadow-btn);
        }
        .sub-tag .tag-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--text-muted);
            flex-shrink: 0;
        }
        .sub-tag.active .tag-dot {
            background: var(--bg-deep);
        }

        /* Asymmetric List */
        .guide-list {
            padding: 48px 0 20px;
        }
        .guide-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: center;
            padding: 28px 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .guide-item:last-child {
            border-bottom: none;
        }
        .guide-item:nth-child(odd) .guide-img {
            order: 1;
        }
        .guide-item:nth-child(odd) .guide-content {
            order: 2;
        }
        .guide-item:nth-child(even) .guide-img {
            order: 2;
        }
        .guide-item:nth-child(even) .guide-content {
            order: 1;
        }
        .guide-item .guide-img {
            border-radius: var(--radius-img);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            aspect-ratio: 16 / 10;
        }
        .guide-item .guide-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .guide-item .guide-img:hover img {
            transform: scale(1.05);
        }
        .guide-item .guide-content .guide-date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--secondary);
            background: var(--secondary-dim);
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .guide-item .guide-content h3 {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .guide-item .guide-content h3 a {
            color: var(--text-main);
            text-decoration: none;
        }
        .guide-item .guide-content h3 a:hover {
            color: var(--accent);
        }
        .guide-item .guide-content .guide-excerpt {
            color: var(--text-sub);
            font-size: 0.94rem;
            line-height: 1.75;
            margin-bottom: 14px;
        }
        .btn-text-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--accent);
            text-decoration: none;
            transition: all 0.2s;
            background: transparent;
            border: none;
            padding: 0;
            cursor: pointer;
        }
        .btn-text-arrow i {
            transition: transform 0.2s;
            font-size: 0.8rem;
        }
        .btn-text-arrow:hover {
            color: var(--accent-hover);
        }
        .btn-text-arrow:hover i {
            transform: translateX(4px);
        }
        @media (max-width: 767.98px) {
            .guide-item {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 20px 0;
            }
            .guide-item:nth-child(odd) .guide-img,
            .guide-item:nth-child(even) .guide-img {
                order: 1;
            }
            .guide-item:nth-child(odd) .guide-content,
            .guide-item:nth-child(even) .guide-content {
                order: 2;
            }
            .guide-item .guide-content h3 {
                font-size: 1.05rem;
            }
            .guide-item .guide-content .guide-excerpt {
                font-size: 0.87rem;
                line-height: 1.7;
            }
            .guide-item .guide-img {
                aspect-ratio: 16 / 9;
            }
        }

        /* Sidebar */
        .sidebar-section {
            padding: 48px 0 32px;
        }
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 24px;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            margin-bottom: 24px;
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 18px;
            padding-left: 12px;
            border-left: 3px solid var(--accent);
            line-height: 1.4;
        }
        .sidebar-card .stat-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .sidebar-card .stat-item {
            text-align: center;
            padding: 12px 8px;
            background: var(--bg-deep2);
            border-radius: 10px;
            border: 1px solid var(--border-subtle);
        }
        .sidebar-card .stat-item .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            display: block;
        }
        .sidebar-card .stat-item .stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .sidebar-card .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card .hot-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .sidebar-card .hot-list li:last-child {
            border-bottom: none;
        }
        .sidebar-card .hot-list .hot-rank {
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--secondary);
            min-width: 28px;
            text-align: center;
            background: var(--secondary-dim);
            border-radius: 4px;
            padding: 2px 0;
            flex-shrink: 0;
        }
        .sidebar-card .hot-list .hot-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            text-decoration: none;
        }
        .sidebar-card .hot-list .hot-title:hover {
            color: var(--accent);
        }
        .sidebar-card .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .sidebar-card .tag-cloud .cloud-tag {
            font-size: 0.78rem;
            color: var(--text-sub);
            padding: 4px 10px;
            border-radius: 15px;
            background: var(--bg-deep2);
            border: 1px solid var(--border-subtle);
            text-decoration: none;
            transition: all 0.2s;
        }
        .sidebar-card .tag-cloud .cloud-tag:hover {
            color: var(--accent);
            border-color: var(--border-accent);
            background: var(--accent-dim);
        }
        @media (max-width: 991.98px) {
            .sidebar-section {
                padding-top: 24px;
            }
        }

        /* Full-width Banner */
        .banner-full {
            margin: 32px 0 48px;
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            background: var(--card-bg);
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: center;
        }
        .banner-full .banner-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            border-radius: 0 var(--radius-card) var(--radius-card) 0;
        }
        .banner-full .banner-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }
        .banner-full:hover .banner-img img {
            transform: scale(1.04);
        }
        .banner-full .banner-content {
            padding: 28px 32px;
        }
        .banner-full .banner-content .banner-tag {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .banner-full .banner-content h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .banner-full .banner-content p {
            color: var(--text-sub);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        @media (max-width: 767.98px) {
            .banner-full {
                grid-template-columns: 1fr;
            }
            .banner-full .banner-img {
                order: 1;
                border-radius: var(--radius-card) var(--radius-card) 0 0;
            }
            .banner-full .banner-content {
                order: 2;
                padding: 20px;
            }
            .banner-full .banner-content h3 {
                font-size: 1.1rem;
            }
            .banner-full .banner-content p {
                font-size: 0.87rem;
            }
        }

        /* Pagination */
        .pagination-wrap {
            padding: 32px 0 48px;
            display: flex;
            justify-content: center;
        }
        .pagination-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .pagination-custom .page-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-sub);
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            text-decoration: none;
            transition: all 0.2s;
            cursor: pointer;
        }
        .pagination-custom .page-btn:hover {
            color: var(--bg-deep);
            background: var(--accent);
            border-color: var(--accent);
            box-shadow: var(--shadow-btn);
            transform: translateY(-2px);
        }
        .pagination-custom .page-btn.active {
            color: var(--bg-deep);
            background: var(--accent);
            border-color: var(--accent);
            box-shadow: var(--shadow-btn);
        }
        .pagination-custom .page-btn.arrow {
            font-size: 0.8rem;
        }
        .pagination-custom .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }
        @media (max-width: 575.98px) {
            .pagination-custom .page-btn {
                width: 34px;
                height: 34px;
                font-size: 0.8rem;
                border-radius: 6px;
            }
            .pagination-custom {
                gap: 5px;
            }
        }

        /* Mini CTA */
        .mini-cta {
            background: var(--card-bg2);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            text-align: center;
            border: 1px solid var(--border-accent);
            box-shadow: var(--shadow-card);
            margin: 24px 0 48px;
        }
        .mini-cta h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .mini-cta p {
            color: var(--text-sub);
            font-size: 0.95rem;
            max-width: 600px;
            margin: 0 auto 20px;
            line-height: 1.7;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--bg-deep);
            border: none;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 8px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.25s;
            text-decoration: none;
            letter-spacing: 0.3px;
        }
        .btn-primary-custom:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn);
            color: var(--bg-deep);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
            font-weight: 700;
            padding: 12px 24px;
            border-radius: 8px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
            text-decoration: none;
        }
        .btn-outline-custom:hover {
            background: var(--accent);
            color: var(--bg-deep);
            box-shadow: var(--shadow-btn);
            transform: translateY(-2px);
        }
        @media (max-width: 575.98px) {
            .mini-cta {
                padding: 24px 18px;
            }
            .mini-cta h3 {
                font-size: 1.15rem;
            }
            .mini-cta p {
                font-size: 0.87rem;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                width: 100%;
                justify-content: center;
                padding: 10px 16px;
                font-size: 0.87rem;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep2);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 24px;
            margin-top: 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 28px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-sub);
            text-decoration: none;
            transition: color 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.78rem;
            transition: color 0.2s;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .site-footer {
                padding: 32px 0 16px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
                font-size: 0.72rem;
            }
        }

/* roulang page: category1 */
:root {
        --bg-deep: #150A26;
        --bg-deep2: #1A0F2E;
        --card-bg: #201636;
        --card-bg2: #251B3A;
        --accent: #00E5A0;
        --accent-hover: #00f5b5;
        --accent-dim: rgba(0, 229, 160, 0.16);
        --secondary: #FF6B2C;
        --secondary-dim: rgba(255, 107, 44, 0.18);
        --text-main: #F5F5F7;
        --text-sub: #B8B2C7;
        --text-muted: #8A839B;
        --border-subtle: rgba(255, 255, 255, 0.08);
        --border-accent: rgba(0, 229, 160, 0.35);
        --radius-card: 16px;
        --radius-tag: 8px;
        --radius-img: 12px;
        --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.35);
        --shadow-btn: 0 8px 20px rgba(0, 229, 160, 0.25);
        --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        --section-pad: 64px;
        --section-pad-m: 32px;
        --container-max: 1200px;
    }
    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.8;
        color: var(--text-main);
        background-color: var(--bg-deep);
        overflow-x: hidden;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        object-fit: cover;
    }
    a {
        color: var(--accent);
        text-decoration: none;
        transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    }
    a:hover {
        color: var(--accent-hover);
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 3px;
    }
    .section-pad {
        padding-top: var(--section-pad);
        padding-bottom: var(--section-pad);
    }
    .section-pad-sm {
        padding-top: 36px;
        padding-bottom: 36px;
    }
    .container-custom {
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: 20px;
        padding-right: 20px;
    }
    .section-badge {
        display: inline-block;
        background: var(--accent-dim);
        color: var(--accent);
        font-size: 0.8rem;
        font-weight: 700;
        padding: 5px 14px;
        border-radius: 20px;
        letter-spacing: 0.6px;
        margin-bottom: 16px;
        border: 1px solid var(--border-accent);
    }
    .section-title {
        font-size: 1.7rem;
        font-weight: 800;
        letter-spacing: -0.3px;
        margin-bottom: 14px;
        color: var(--text-main);
        line-height: 1.3;
    }
    .section-subtitle {
        font-size: 0.98rem;
        color: var(--text-sub);
        max-width: 720px;
        line-height: 1.8;
        margin-bottom: 32px;
    }
    .text-accent {
        color: var(--accent);
    }
    .text-secondary {
        color: var(--secondary);
    }
    .text-sub {
        color: var(--text-sub);
    }
    /* Header / Navigation */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: var(--bg-deep);
        border-bottom: 1px solid var(--border-subtle);
        box-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
    }
    .brand-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 64px;
        padding: 0 20px;
        background: var(--bg-deep);
        max-width: var(--container-max);
        margin: 0 auto;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.35rem;
        font-weight: 800;
        color: var(--text-main);
        letter-spacing: 0.5px;
        text-decoration: none;
        white-space: nowrap;
    }
    .brand-logo:hover {
        color: var(--accent);
    }
    .brand-logo .logo-icon {
        width: 32px;
        height: 32px;
        background: var(--accent);
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--bg-deep);
        font-weight: 900;
        font-size: 1.1rem;
        flex-shrink: 0;
    }
    .brand-actions {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .icon-btn {
        background: transparent;
        border: none;
        color: var(--text-sub);
        font-size: 1.1rem;
        cursor: pointer;
        padding: 8px;
        border-radius: 8px;
        transition: all 0.2s;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .icon-btn:hover {
        color: var(--accent);
        background: rgba(255, 255, 255, 0.06);
    }
    .btn-subscribe-nav {
        background: var(--accent);
        color: var(--bg-deep);
        border: none;
        font-weight: 700;
        padding: 8px 18px;
        border-radius: 8px;
        font-size: 0.9rem;
        cursor: pointer;
        transition: all 0.2s;
        white-space: nowrap;
    }
    .btn-subscribe-nav:hover {
        background: var(--accent-hover);
        transform: translateY(-1px);
        box-shadow: var(--shadow-btn);
    }
    .hamburger {
        display: none;
        background: transparent;
        border: 1px solid var(--border-subtle);
        color: var(--text-main);
        font-size: 1.3rem;
        padding: 6px 12px;
        border-radius: 8px;
        cursor: pointer;
        transition: all 0.2s;
    }
    .hamburger:hover {
        border-color: var(--border-accent);
        color: var(--accent);
    }
    .channel-row {
        display: flex;
        align-items: center;
        gap: 8px;
        height: 48px;
        padding: 0 20px;
        background: var(--bg-deep2);
        border-bottom: 1px solid var(--border-subtle);
        overflow-x: auto;
        overflow-y: hidden;
        white-space: nowrap;
        scrollbar-width: none;
        max-width: var(--container-max);
        margin: 0 auto;
        position: relative;
    }
    .channel-row::-webkit-scrollbar {
        display: none;
    }
    .channel-link {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 6px 16px;
        font-size: 0.88rem;
        font-weight: 600;
        color: var(--text-sub);
        border-radius: 20px;
        border: 1px solid transparent;
        transition: all 0.2s;
        flex-shrink: 0;
    }
    .channel-link:hover {
        color: var(--accent);
        background: rgba(0, 229, 160, 0.08);
    }
    .channel-link.active {
        color: var(--accent);
        background: var(--accent-dim);
        border-color: var(--border-accent);
        font-weight: 700;
    }
    .mobile-nav {
        display: none;
        flex-direction: column;
        background: var(--bg-deep2);
        border-bottom: 1px solid var(--border-subtle);
        padding: 12px 20px;
        gap: 6px;
    }
    .mobile-nav a {
        color: var(--text-sub);
        padding: 8px 12px;
        border-radius: 8px;
        font-weight: 600;
        font-size: 0.95rem;
    }
    .mobile-nav a:hover,
    .mobile-nav a.active {
        color: var(--accent);
        background: var(--accent-dim);
    }
    .mobile-nav.open {
        display: flex;
    }

    /* Category Hero */
    .category-hero {
        position: relative;
        min-height: 280px;
        background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
        display: flex;
        align-items: center;
        padding: 48px 0;
        overflow: hidden;
    }
    .category-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: rgba(21, 10, 38, 0.72);
        z-index: 1;
    }
    .category-hero .container-custom {
        position: relative;
        z-index: 2;
    }
    .category-hero .hero-badge {
        display: inline-block;
        background: var(--secondary-dim);
        color: var(--secondary);
        font-size: 0.78rem;
        font-weight: 700;
        padding: 5px 14px;
        border-radius: 20px;
        letter-spacing: 0.5px;
        margin-bottom: 12px;
        border: 1px solid rgba(255, 107, 44, 0.35);
    }
    .category-hero h1 {
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--text-main);
        margin-bottom: 12px;
        letter-spacing: -0.3px;
        line-height: 1.25;
    }
    .category-hero .hero-sub {
        font-size: 1.02rem;
        color: rgba(245, 245, 247, 0.8);
        max-width: 680px;
        line-height: 1.8;
        margin-bottom: 0;
    }

    /* Sub-channel tabs */
    .sub-channel-bar {
        background: var(--bg-deep2);
        border-bottom: 1px solid var(--border-subtle);
        padding: 12px 0;
    }
    .sub-channel-bar .container-custom {
        display: flex;
        align-items: center;
        gap: 8px;
        overflow-x: auto;
        white-space: nowrap;
        scrollbar-width: none;
    }
    .sub-channel-bar .container-custom::-webkit-scrollbar {
        display: none;
    }
    .sub-channel-tag {
        display: inline-flex;
        align-items: center;
        padding: 6px 16px;
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--text-sub);
        border-radius: 8px;
        border: 1px solid var(--border-subtle);
        transition: all 0.2s;
        flex-shrink: 0;
        cursor: pointer;
    }
    .sub-channel-tag:hover {
        color: var(--accent);
        border-color: var(--border-accent);
        background: rgba(0, 229, 160, 0.06);
    }
    .sub-channel-tag.active {
        color: var(--bg-deep);
        background: var(--accent);
        border-color: var(--accent);
        font-weight: 700;
    }

    /* News list styles */
    .news-list-section {
        padding-top: 48px;
        padding-bottom: 56px;
    }
    .news-item {
        display: flex;
        gap: 24px;
        margin-bottom: 28px;
        background: var(--card-bg);
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .news-item:hover {
        transform: translateY(-3px);
        box-shadow: 0 16px 36px rgba(0, 0, 0, 0.42);
        border-color: var(--border-accent);
    }
    .news-item-img {
        flex: 0 0 280px;
        min-height: 200px;
        overflow: hidden;
        border-radius: var(--radius-card) 0 0 var(--radius-card);
    }
    .news-item-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
        border-radius: var(--radius-card) 0 0 var(--radius-card);
    }
    .news-item:hover .news-item-img img {
        transform: scale(1.04);
    }
    .news-item-content {
        flex: 1;
        padding: 20px 24px 20px 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .news-item-date {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.78rem;
        font-weight: 600;
        color: var(--secondary);
        margin-bottom: 8px;
    }
    .news-item-date i {
        font-size: 0.7rem;
    }
    .news-item-title {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 8px;
        line-height: 1.4;
        transition: color 0.2s;
    }
    .news-item:hover .news-item-title {
        color: var(--accent);
    }
    .news-item-summary {
        font-size: 0.9rem;
        color: var(--text-sub);
        line-height: 1.7;
        margin-bottom: 12px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-item-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.85rem;
        font-weight: 700;
        color: var(--accent);
        transition: all 0.25s;
    }
    .news-item-link i {
        transition: transform 0.25s ease;
    }
    .news-item-link:hover {
        color: var(--accent-hover);
    }
    .news-item-link:hover i {
        transform: translateX(4px);
    }

    /* Even items with smaller image right */
    .news-item.even .news-item-img {
        flex-basis: 200px;
        border-radius: 0 var(--radius-card) var(--radius-card) 0;
        order: 2;
    }
    .news-item.even .news-item-img img {
        border-radius: 0 var(--radius-card) var(--radius-card) 0;
    }
    .news-item.even .news-item-content {
        padding: 20px 24px 20px 24px;
        order: 1;
    }

    /* Sidebar / supplement area */
    .supplement-section {
        padding-bottom: 56px;
    }
    .supplement-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .supplement-card {
        background: var(--card-bg);
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-card);
        padding: 24px;
        box-shadow: var(--shadow-card);
    }
    .supplement-card h3 {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 14px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .supplement-card h3 i {
        color: var(--accent);
        font-size: 0.95rem;
    }
    .hot-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .hot-list li {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 0;
        border-bottom: 1px solid var(--border-subtle);
        font-size: 0.88rem;
        color: var(--text-sub);
        transition: all 0.2s;
    }
    .hot-list li:last-child {
        border-bottom: none;
    }
    .hot-list li:hover {
        color: var(--accent);
    }
    .hot-list .hot-rank {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 24px;
        height: 24px;
        background: var(--accent-dim);
        color: var(--accent);
        font-size: 0.75rem;
        font-weight: 700;
        border-radius: 6px;
        flex-shrink: 0;
    }
    .hot-list .hot-rank.secondary {
        background: var(--secondary-dim);
        color: var(--secondary);
    }
    .tag-cloud {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .tag-cloud .tag {
        display: inline-flex;
        padding: 4px 12px;
        font-size: 0.78rem;
        font-weight: 600;
        color: var(--text-sub);
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid var(--border-subtle);
        border-radius: 20px;
        transition: all 0.2s;
        cursor: pointer;
    }
    .tag-cloud .tag:hover {
        color: var(--accent);
        background: var(--accent-dim);
        border-color: var(--border-accent);
    }

    /* Banner area */
    .banner-promo {
        margin-bottom: 48px;
        background: var(--card-bg2);
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-card);
    }
    .banner-promo .banner-inner {
        display: flex;
        gap: 24px;
        align-items: center;
        padding: 20px;
    }
    .banner-promo .banner-img {
        flex: 0 0 220px;
        height: 140px;
        border-radius: var(--radius-img);
        overflow: hidden;
    }
    .banner-promo .banner-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: var(--radius-img);
    }
    .banner-promo .banner-text {
        flex: 1;
    }
    .banner-promo .banner-text h4 {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 6px;
    }
    .banner-promo .banner-text p {
        font-size: 0.88rem;
        color: var(--text-sub);
        line-height: 1.7;
        margin-bottom: 0;
    }

    /* Pagination */
    .pagination-custom {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 20px 0 48px;
        flex-wrap: wrap;
    }
    .pagination-custom .page-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 40px;
        height: 40px;
        padding: 0 12px;
        font-size: 0.88rem;
        font-weight: 700;
        color: var(--text-sub);
        background: var(--card-bg);
        border: 1px solid var(--border-subtle);
        border-radius: 8px;
        transition: all 0.2s;
        cursor: pointer;
    }
    .pagination-custom .page-btn:hover {
        color: var(--accent);
        border-color: var(--border-accent);
        background: var(--accent-dim);
    }
    .pagination-custom .page-btn.active {
        background: var(--accent);
        color: var(--bg-deep);
        border-color: var(--accent);
        font-weight: 800;
    }
    .pagination-custom .page-btn.disabled {
        opacity: 0.4;
        pointer-events: none;
    }

    /* FAQ */
    .faq-section {
        background: var(--bg-deep2);
        border-top: 1px solid var(--border-subtle);
        border-bottom: 1px solid var(--border-subtle);
    }
    .accordion-custom .accordion-item {
        background: var(--card-bg);
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-card);
        margin-bottom: 14px;
        overflow: hidden;
        box-shadow: var(--shadow-card);
        transition: border-color 0.2s;
    }
    .accordion-custom .accordion-item:hover {
        border-color: var(--border-accent);
    }
    .accordion-custom .accordion-header {
        margin: 0;
    }
    .accordion-custom .accordion-button {
        background: var(--card-bg);
        color: var(--text-main);
        font-size: 1rem;
        font-weight: 700;
        padding: 18px 22px;
        border: none;
        box-shadow: none;
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 60px;
        cursor: pointer;
        transition: all 0.2s;
        border-radius: var(--radius-card) var(--radius-card) 0 0;
    }
    .accordion-custom .accordion-button::after {
        content: '+';
        font-size: 1.4rem;
        font-weight: 300;
        color: var(--accent);
        background: none;
        transform: none;
        transition: transform 0.25s ease;
    }
    .accordion-custom .accordion-button:not(.collapsed)::after {
        content: '−';
        transform: rotate(180deg);
    }
    .accordion-custom .accordion-button:focus {
        box-shadow: 0 0 0 2px var(--border-accent);
    }
    .accordion-custom .accordion-button:not(.collapsed) {
        background: var(--card-bg2);
        color: var(--accent);
    }
    .accordion-custom .accordion-body {
        background: var(--card-bg2);
        color: var(--text-sub);
        font-size: 0.92rem;
        line-height: 1.75;
        padding: 16px 22px 20px;
        border-left: 3px solid var(--accent);
        border-radius: 0 0 var(--radius-card) var(--radius-card);
    }

    /* CTA / Form */
    .cta-section {
        padding-top: 56px;
        padding-bottom: 56px;
    }
    .cta-card {
        background: var(--card-bg2);
        border: 1px solid var(--border-accent);
        border-radius: var(--radius-card);
        padding: 36px;
        box-shadow: var(--shadow-card);
    }
    .cta-card h2 {
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--text-main);
        margin-bottom: 10px;
    }
    .cta-card p {
        font-size: 0.92rem;
        color: var(--text-sub);
        line-height: 1.7;
        margin-bottom: 24px;
    }
    .form-control-custom {
        background: #1C142E;
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: 8px;
        color: var(--text-main);
        font-size: 0.92rem;
        padding: 12px 16px;
        min-height: 46px;
        transition: border-color 0.2s, box-shadow 0.2s;
        width: 100%;
    }
    .form-control-custom:focus {
        border-color: var(--accent);
        box-shadow: 0 0 0 2px rgba(0, 229, 160, 0.2);
        outline: none;
    }
    .form-control-custom::placeholder {
        color: var(--text-muted);
    }
    .form-label-custom {
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--text-sub);
        margin-bottom: 6px;
        display: block;
    }
    .btn-primary-custom {
        background: var(--accent);
        color: var(--bg-deep);
        border: none;
        font-weight: 700;
        padding: 12px 28px;
        border-radius: 8px;
        font-size: 0.95rem;
        cursor: pointer;
        transition: all 0.25s;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .btn-primary-custom:hover {
        background: var(--accent-hover);
        transform: translateY(-2px);
        box-shadow: var(--shadow-btn);
        color: var(--bg-deep);
    }
    .btn-secondary-custom {
        background: transparent;
        color: var(--accent);
        border: 1px solid var(--accent);
        font-weight: 700;
        padding: 10px 24px;
        border-radius: 8px;
        font-size: 0.9rem;
        cursor: pointer;
        transition: all 0.25s;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .btn-secondary-custom:hover {
        background: var(--accent);
        color: var(--bg-deep);
        transform: translateY(-2px);
        box-shadow: var(--shadow-btn);
    }
    .form-note {
        font-size: 0.82rem;
        color: var(--text-muted);
        line-height: 1.7;
        margin-top: 14px;
    }

    /* Footer */
    .site-footer {
        background: var(--bg-deep2);
        border-top: 1px solid var(--border-subtle);
        padding: 48px 0 28px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: 28px;
        margin-bottom: 32px;
    }
    .footer-brand p {
        font-size: 0.85rem;
        color: var(--text-sub);
        line-height: 1.7;
        margin: 0;
        max-width: 320px;
    }
    .footer-col h4 {
        font-size: 0.9rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 14px;
        letter-spacing: 0.3px;
    }
    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-col ul li {
        margin-bottom: 8px;
    }
    .footer-col ul li a {
        font-size: 0.85rem;
        color: var(--text-sub);
        transition: color 0.2s;
    }
    .footer-col ul li a:hover {
        color: var(--accent);
    }
    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 10px;
        padding-top: 20px;
        border-top: 1px solid var(--border-subtle);
        font-size: 0.78rem;
        color: var(--text-muted);
    }
    .footer-bottom a {
        color: var(--text-sub);
        font-size: 0.78rem;
    }
    .footer-bottom a:hover {
        color: var(--accent);
    }

    /* Responsive */
    @media (max-width: 991px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .news-item {
            flex-direction: column;
        }
        .news-item-img {
            flex-basis: 180px;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .news-item-img img {
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .news-item-content {
            padding: 16px 20px 20px;
        }
        .news-item.even .news-item-img {
            flex-basis: 160px;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
            order: 1;
        }
        .news-item.even .news-item-img img {
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .news-item.even .news-item-content {
            order: 2;
            padding: 16px 20px 20px;
        }
        .banner-promo .banner-inner {
            flex-direction: column;
            align-items: flex-start;
        }
        .banner-promo .banner-img {
            flex-basis: auto;
            width: 100%;
            height: 160px;
        }
        .supplement-grid {
            grid-template-columns: 1fr;
        }
        .category-hero {
            min-height: 240px;
            padding: 36px 0;
        }
        .category-hero h1 {
            font-size: 1.7rem;
        }
    }
    @media (max-width: 767px) {
        :root {
            --section-pad: var(--section-pad-m);
        }
        .brand-row {
            padding: 0 16px;
        }
        .channel-row {
            padding: 0 16px;
        }
        .hamburger {
            display: inline-flex;
        }
        .brand-actions .btn-subscribe-nav {
            display: none;
        }
        .brand-actions .icon-btn:not(.hamburger) {
            display: none;
        }
        .category-hero h1 {
            font-size: 1.45rem;
        }
        .category-hero .hero-sub {
            font-size: 0.9rem;
        }
        .news-item-img {
            flex-basis: 150px;
            min-height: 150px;
        }
        .news-item.even .news-item-img {
            flex-basis: 130px;
            min-height: 130px;
        }
        .cta-card {
            padding: 24px 20px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }
        .section-title {
            font-size: 1.4rem;
        }
        .banner-promo .banner-inner {
            padding: 14px;
        }
        .banner-promo .banner-img {
            height: 130px;
        }
        .accordion-custom .accordion-button {
            font-size: 0.92rem;
            padding: 14px 18px;
            min-height: 54px;
        }
        .accordion-custom .accordion-body {
            font-size: 0.86rem;
            padding: 14px 18px 16px;
        }
    }
    @media (max-width: 520px) {
        .category-hero {
            min-height: 200px;
            padding: 28px 0;
        }
        .category-hero h1 {
            font-size: 1.25rem;
        }
        .news-item-img {
            flex-basis: 130px;
            min-height: 130px;
        }
        .news-item.even .news-item-img {
            flex-basis: 110px;
            min-height: 110px;
        }
        .news-item-content {
            padding: 12px 14px 14px;
        }
        .news-item-title {
            font-size: 0.98rem;
        }
        .news-item-summary {
            font-size: 0.82rem;
        }
        .btn-primary-custom,
        .btn-secondary-custom {
            width: 100%;
            justify-content: center;
        }
        .pagination-custom .page-btn {
            min-width: 34px;
            height: 34px;
            padding: 0 8px;
            font-size: 0.8rem;
        }
    }

/* roulang page: category3 */
:root {
            --bg-deep: #150A26;
            --bg-deep2: #1A0F2E;
            --card-bg: #201636;
            --card-bg2: #251B3A;
            --accent: #00E5A0;
            --accent-hover: #00f5b5;
            --accent-dim: rgba(0, 229, 160, 0.16);
            --secondary: #FF6B2C;
            --secondary-dim: rgba(255, 107, 44, 0.18);
            --text-main: #F5F5F7;
            --text-sub: #B8B2C7;
            --text-muted: #8A839B;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-accent: rgba(0, 229, 160, 0.35);
            --radius-card: 16px;
            --radius-tag: 8px;
            --radius-img: 12px;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.35);
            --shadow-btn: 0 8px 20px rgba(0, 229, 160, 0.25);
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --section-pad: 80px;
            --section-pad-m: 40px;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-deep);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }
        a:hover {
            color: var(--accent-hover);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .section-pad {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
        }
        .section-pad-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-badge {
            display: inline-block;
            background: var(--accent-dim);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.6px;
            margin-bottom: 16px;
            border: 1px solid var(--border-accent);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 14px;
            color: var(--text-main);
            line-height: 1.25;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-sub);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 36px;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-secondary {
            color: var(--secondary);
        }
        .text-sub {
            color: var(--text-sub);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-deep);
            border-bottom: 1px solid var(--border-subtle);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 20px;
            background: var(--bg-deep);
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.5px;
            text-decoration: none;
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--accent);
        }
        .brand-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-deep);
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .icon-btn {
            background: transparent;
            border: none;
            color: var(--text-sub);
            font-size: 1.1rem;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .icon-btn:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.06);
        }
        .btn-subscribe-nav {
            background: var(--accent);
            color: var(--bg-deep);
            border: none;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .btn-subscribe-nav:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-btn);
        }
        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--border-subtle);
            color: var(--text-main);
            font-size: 1.3rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .hamburger:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .channel-row {
            display: flex;
            align-items: center;
            gap: 24px;
            height: 48px;
            padding: 0 20px;
            border-top: 1px solid var(--border-subtle);
            overflow-x: auto;
            overflow-y: hidden;
            white-space: nowrap;
            scrollbar-width: thin;
            scrollbar-color: var(--accent) transparent;
            -webkit-overflow-scrolling: touch;
        }
        .channel-row::-webkit-scrollbar {
            height: 4px;
        }
        .channel-row::-webkit-scrollbar-track {
            background: var(--bg-deep);
        }
        .channel-row::-webkit-scrollbar-thumb {
            background: var(--accent);
            border-radius: 2px;
        }
        .channel-link {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-sub);
            text-decoration: none;
            padding: 10px 0;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
            flex-shrink: 0;
            letter-spacing: 0.3px;
        }
        .channel-link:hover {
            color: var(--text-main);
        }
        .channel-link.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        /* Category Hero */
        .cat-hero {
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            min-height: 280px;
            display: flex;
            align-items: center;
            position: relative;
            padding: 60px 0;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(21, 10, 38, 0.72);
            z-index: 1;
        }
        .cat-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .cat-hero h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }
        .cat-hero p {
            font-size: 1.1rem;
            color: var(--text-sub);
            max-width: 640px;
            line-height: 1.8;
        }

        /* Sub Channel Tags */
        .sub-channel-bar {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 0;
            overflow-x: auto;
            overflow-y: hidden;
            white-space: nowrap;
            scrollbar-width: thin;
            scrollbar-color: var(--accent) transparent;
            -webkit-overflow-scrolling: touch;
            border-bottom: 1px solid var(--border-subtle);
            margin-bottom: 0;
        }
        .sub-channel-bar::-webkit-scrollbar {
            height: 3px;
        }
        .sub-channel-bar::-webkit-scrollbar-thumb {
            background: var(--accent);
            border-radius: 2px;
        }
        .sub-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-sub);
            background: transparent;
            border: 1px solid var(--border-subtle);
            cursor: pointer;
            transition: all 0.2s;
            flex-shrink: 0;
            letter-spacing: 0.3px;
        }
        .sub-tag:hover {
            color: var(--accent);
            border-color: var(--border-accent);
        }
        .sub-tag.active {
            background: var(--accent);
            color: var(--bg-deep);
            border-color: var(--accent);
            font-weight: 700;
        }

        /* Content List - Asymmetric */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .content-item {
            display: grid;
            grid-template-columns: 320px 1fr;
            gap: 24px;
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s;
        }
        .content-item:hover {
            border-color: var(--border-accent);
            box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
            transform: translateY(-3px);
        }
        .content-item:nth-child(even) {
            grid-template-columns: 1fr 280px;
        }
        .content-item:nth-child(even) .content-img-wrap {
            order: 2;
        }
        .content-item:nth-child(even) .content-body {
            order: 1;
        }
        .content-img-wrap {
            position: relative;
            min-height: 200px;
            overflow: hidden;
            background: var(--card-bg2);
        }
        .content-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }
        .content-item:hover .content-img-wrap img {
            transform: scale(1.05);
        }
        .content-img-wrap .date-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--secondary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            z-index: 2;
            letter-spacing: 0.5px;
        }
        .content-body {
            padding: 22px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .content-body h2 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
            color: var(--text-main);
        }
        .content-body h2 a {
            color: var(--text-main);
            text-decoration: none;
        }
        .content-body h2 a:hover {
            color: var(--accent);
        }
        .content-body .excerpt {
            font-size: 0.95rem;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 12px;
            max-width: 640px;
        }
        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--accent);
            text-decoration: none;
            transition: all 0.2s;
            align-self: flex-start;
        }
        .read-more i {
            transition: transform 0.2s;
            font-size: 0.8rem;
        }
        .read-more:hover {
            color: var(--accent-hover);
        }
        .read-more:hover i {
            transform: translateX(4px);
        }

        /* Sidebar / Bottom Supplement */
        .supplement-grid {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 32px;
            margin-top: 40px;
        }
        .hot-list {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }
        .hot-list h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .hot-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .hot-item:last-child {
            border-bottom: none;
        }
        .hot-num {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--secondary);
            width: 28px;
            flex-shrink: 0;
            font-style: italic;
        }
        .hot-item a {
            color: var(--text-sub);
            font-size: 0.9rem;
            line-height: 1.5;
            font-weight: 500;
        }
        .hot-item a:hover {
            color: var(--accent);
        }
        .tag-cloud {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }
        .tag-cloud h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .tag-cloud .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud .tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-sub);
            background: var(--bg-deep2);
            border: 1px solid var(--border-subtle);
            transition: all 0.2s;
            cursor: pointer;
        }
        .tag-cloud .tag:hover {
            color: var(--accent);
            border-color: var(--border-accent);
            background: var(--accent-dim);
        }

        /* Banner */
        .full-banner {
            margin: 40px 0;
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
        }
        .full-banner img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .full-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(21, 10, 38, 0.92) 0%, rgba(21, 10, 38, 0.55) 60%, rgba(21, 10, 38, 0.2) 100%);
            display: flex;
            align-items: center;
            padding: 32px;
        }
        .full-banner .banner-text {
            max-width: 520px;
        }
        .full-banner .banner-text h4 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .full-banner .banner-text p {
            font-size: 0.9rem;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* Pagination */
        .pagination-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .page-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            color: var(--text-sub);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.2s;
            text-decoration: none;
        }
        .page-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-dim);
        }
        .page-btn.active {
            background: var(--accent);
            color: var(--bg-deep);
            border-color: var(--accent);
            font-weight: 700;
        }
        .page-btn.prev,
        .page-btn.next {
            width: auto;
            padding: 0 16px;
            font-size: 0.85rem;
        }

        /* CTA Section */
        .cta-section {
            background: var(--card-bg2);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            box-shadow: var(--shadow-card);
            margin-top: 48px;
        }
        .cta-section h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .cta-section p {
            color: var(--text-sub);
            font-size: 0.95rem;
            line-height: 1.8;
            max-width: 600px;
            margin-bottom: 20px;
        }
        .btn-primary-custom {
            background: var(--accent);
            color: var(--bg-deep);
            border: none;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 8px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .btn-primary-custom:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn);
            color: var(--bg-deep);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep2);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 24px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-sub);
            line-height: 1.7;
            margin-top: 8px;
            max-width: 300px;
        }
        .footer-brand .brand-logo {
            font-size: 1.2rem;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-sub);
            font-size: 0.9rem;
            text-decoration: none;
            transition: all 0.2s;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            justify-content: space-between;
        }
        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 991px) {
            .content-item {
                grid-template-columns: 260px 1fr;
            }
            .content-item:nth-child(even) {
                grid-template-columns: 1fr 220px;
            }
            .supplement-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 767px) {
            .section-pad {
                padding-top: var(--section-pad-m);
                padding-bottom: var(--section-pad-m);
            }
            .cat-hero {
                min-height: 240px;
                padding: 40px 0;
            }
            .cat-hero h1 {
                font-size: 1.6rem;
            }
            .cat-hero p {
                font-size: 0.95rem;
            }
            .content-item,
            .content-item:nth-child(even) {
                grid-template-columns: 1fr;
            }
            .content-item:nth-child(even) .content-img-wrap {
                order: 1;
            }
            .content-item:nth-child(even) .content-body {
                order: 2;
            }
            .content-img-wrap {
                min-height: 180px;
            }
            .content-body {
                padding: 18px;
            }
            .content-body h2 {
                font-size: 1.1rem;
            }
            .brand-actions .btn-subscribe-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .channel-row {
                gap: 16px;
                padding: 0 12px;
            }
            .channel-link {
                font-size: 0.85rem;
                padding: 8px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .full-banner .banner-overlay {
                padding: 20px;
            }
            .full-banner img {
                height: 160px;
            }
            .full-banner .banner-text h4 {
                font-size: 1rem;
            }
            .full-banner .banner-text p {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .cat-hero h1 {
                font-size: 1.35rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .content-img-wrap {
                min-height: 150px;
            }
            .pagination-custom {
                gap: 4px;
            }
            .page-btn {
                width: 36px;
                height: 36px;
                font-size: 0.8rem;
            }
            .page-btn.prev,
            .page-btn.next {
                padding: 0 10px;
                font-size: 0.75rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-deep: #150A26;
            --bg-deep2: #1A0F2E;
            --card-bg: #201636;
            --card-bg2: #251B3A;
            --accent: #00E5A0;
            --accent-hover: #00f5b5;
            --accent-dim: rgba(0, 229, 160, 0.16);
            --secondary: #FF6B2C;
            --secondary-dim: rgba(255, 107, 44, 0.18);
            --text-main: #F5F5F7;
            --text-sub: #B8B2C7;
            --text-muted: #8A839B;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-accent: rgba(0, 229, 160, 0.35);
            --radius-card: 16px;
            --radius-tag: 8px;
            --radius-img: 12px;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.35);
            --shadow-btn: 0 8px 20px rgba(0, 229, 160, 0.25);
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --section-pad: 80px;
            --section-pad-m: 40px;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-deep);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }

        a:hover {
            color: var(--accent-hover);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .section-pad {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
        }

        .section-pad-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }

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

        .section-badge {
            display: inline-block;
            background: var(--accent-dim);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.6px;
            margin-bottom: 16px;
            border: 1px solid var(--border-accent);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 14px;
            color: var(--text-main);
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-sub);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .text-accent {
            color: var(--accent);
        }

        .text-secondary {
            color: var(--secondary);
        }

        .text-sub {
            color: var(--text-sub);
        }

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

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-deep);
            border-bottom: 1px solid var(--border-subtle);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 20px;
            background: var(--bg-deep);
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.5px;
            text-decoration: none;
            white-space: nowrap;
        }

        .brand-logo:hover {
            color: var(--accent);
        }

        .brand-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-deep);
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .icon-btn {
            background: transparent;
            border: none;
            color: var(--text-sub);
            font-size: 1.1rem;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .icon-btn:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.06);
        }

        .btn-subscribe-nav {
            background: var(--accent);
            color: var(--bg-deep);
            border: none;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.2s;
            white-space: nowrap;
            text-decoration: none;
        }

        .btn-subscribe-nav:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-btn);
            color: var(--bg-deep);
        }

        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--border-subtle);
            color: var(--text-main);
            font-size: 1.2rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
        }

        .hamburger:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .channel-row {
            display: flex;
            align-items: center;
            gap: 20px;
            height: 48px;
            padding: 0 20px;
            background: var(--bg-deep2);
            border-top: 1px solid var(--border-subtle);
            overflow-x: auto;
            max-width: var(--container-max);
            margin: 0 auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--card-bg2) transparent;
        }

        .channel-row::-webkit-scrollbar {
            height: 4px;
        }

        .channel-row::-webkit-scrollbar-track {
            background: transparent;
        }

        .channel-row::-webkit-scrollbar-thumb {
            background: var(--card-bg2);
            border-radius: 4px;
        }

        .channel-link {
            display: inline-block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-sub);
            text-decoration: none;
            padding: 4px 2px;
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            transition: color 0.2s, border-color 0.2s;
        }

        .channel-link:hover {
            color: var(--accent);
        }

        .channel-link.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
            font-weight: 700;
        }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            background: var(--bg-deep2);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 20px;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 10px 0;
            color: var(--text-main);
            font-size: 1rem;
            font-weight: 600;
            border-bottom: 1px solid var(--border-subtle);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu a:hover {
            color: var(--accent);
        }

        /* Hero Section */
        .page-hero {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            padding-top: 60px;
            padding-bottom: 60px;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(21, 10, 38, 0.75);
            z-index: 1;
        }

        .page-hero .container-custom {
            position: relative;
            z-index: 2;
        }

        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .page-hero .hero-sub {
            font-size: 1.1rem;
            color: var(--text-sub);
            max-width: 680px;
            line-height: 1.8;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .hero-breadcrumb a {
            color: var(--text-sub);
            text-decoration: none;
        }

        .hero-breadcrumb a:hover {
            color: var(--accent);
        }

        .hero-breadcrumb .sep {
            color: var(--text-muted);
        }

        /* Sub-channel tags */
        .sub-channel-section {
            padding: 20px 0 12px;
            background: var(--bg-deep2);
            border-bottom: 1px solid var(--border-subtle);
        }

        .sub-channel-list {
            display: flex;
            gap: 12px;
            overflow-x: auto;
            align-items: center;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .sub-channel-list::-webkit-scrollbar {
            display: none;
        }

        .sub-channel-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-sub);
            background: transparent;
            border: 1px solid var(--border-subtle);
            white-space: nowrap;
            cursor: pointer;
            transition: all 0.2s;
        }

        .sub-channel-tag:hover {
            color: var(--accent);
            border-color: var(--border-accent);
        }

        .sub-channel-tag.active {
            background: var(--accent);
            color: var(--bg-deep);
            border-color: var(--accent);
            font-weight: 700;
        }

        /* Main list section */
        .list-section {
            padding-top: 48px;
            padding-bottom: 48px;
        }

        .list-item {
            display: flex;
            gap: 28px;
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 24px;
            margin-bottom: 28px;
            box-shadow: var(--shadow-card);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            align-items: flex-start;
        }

        .list-item:hover {
            transform: translateY(-3px);
            border-color: var(--border-accent);
            box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
        }

        .list-item .item-img {
            flex-shrink: 0;
            width: 280px;
            height: 180px;
            border-radius: var(--radius-img);
            overflow: hidden;
            background: var(--card-bg2);
        }

        .list-item .item-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-img);
            transition: transform 0.3s ease;
        }

        .list-item:hover .item-img img {
            transform: scale(1.04);
        }

        .list-item .item-content {
            flex: 1;
            min-width: 0;
        }

        .item-date {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--secondary);
            background: var(--secondary-dim);
            padding: 4px 12px;
            border-radius: 6px;
            margin-bottom: 10px;
            letter-spacing: 0.4px;
        }

        .item-title {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .item-title a {
            color: var(--text-main);
            text-decoration: none;
            transition: color 0.2s;
        }

        .item-title a:hover {
            color: var(--accent);
        }

        .item-summary {
            font-size: 0.95rem;
            color: var(--text-sub);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .btn-read-more {
            background: transparent;
            border: none;
            color: var(--accent);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            transition: color 0.2s;
        }

        .btn-read-more i {
            transition: transform 0.25s ease;
            font-size: 0.85rem;
        }

        .btn-read-more:hover {
            color: var(--accent-hover);
        }

        .btn-read-more:hover i {
            transform: translateX(4px);
        }

        /* Alternate layout */
        .list-item.alternate {
            flex-direction: row-reverse;
        }

        .list-item.alternate .item-img {
            width: 220px;
            height: 160px;
        }

        /* Data summary sidebar */
        .data-summary-card {
            background: var(--card-bg2);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            margin-bottom: 24px;
        }

        .data-summary-card h3 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 18px;
            padding-left: 14px;
            border-left: 3px solid var(--accent);
            line-height: 1.4;
        }

        .data-stat-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
        }

        .data-stat-item:last-child {
            border-bottom: none;
        }

        .data-stat-item .label {
            font-size: 0.9rem;
            color: var(--text-sub);
        }

        .data-stat-item .value {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--accent);
        }

        .data-stat-item .value.secondary {
            color: var(--secondary);
        }

        /* Trending tags */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag {
            display: inline-block;
            background: var(--accent-dim);
            color: var(--accent);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 16px;
            border: 1px solid var(--border-accent);
            transition: all 0.2s;
        }

        .tag-cloud .tag:hover {
            background: var(--accent);
            color: var(--bg-deep);
            cursor: pointer;
        }

        /* Banner promo */
        .promo-banner {
            background: var(--card-bg2);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            gap: 24px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .promo-banner .promo-img {
            flex-shrink: 0;
            width: 160px;
            height: 100px;
            border-radius: var(--radius-img);
            overflow: hidden;
            background: var(--card-bg);
        }

        .promo-banner .promo-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-img);
        }

        .promo-banner .promo-content {
            flex: 1;
            min-width: 250px;
        }

        .promo-banner .promo-content h4 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .promo-banner .promo-content p {
            font-size: 0.9rem;
            color: var(--text-sub);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* Pagination */
        .pagination-wrapper {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: 8px;
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            color: var(--text-sub);
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.2s;
            text-decoration: none;
        }

        .page-btn:hover {
            background: var(--accent);
            color: var(--bg-deep);
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn);
        }

        .page-btn.active {
            background: var(--accent);
            color: var(--bg-deep);
            border-color: var(--accent);
            cursor: default;
            transform: none;
        }

        .page-btn.disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* FAQ section */
        .faq-section {
            background: var(--bg-deep2);
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
        }

        .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
        }

        .accordion-button {
            background: var(--card-bg) !important;
            color: var(--text-main) !important;
            font-weight: 700;
            font-size: 1rem;
            padding: 18px 22px;
            min-height: 56px;
            border: none !important;
            box-shadow: none !important;
            border-radius: var(--radius-card) !important;
        }

        .accordion-button:not(.collapsed) {
            background: var(--card-bg2) !important;
            color: var(--accent) !important;
            border-left: 3px solid var(--accent) !important;
        }

        .accordion-button:focus {
            box-shadow: none !important;
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }

        .accordion-button::after {
            filter: invert(1);
            transition: transform 0.3s ease;
        }

        .accordion-button:not(.collapsed)::after {
            filter: invert(1) sepia(1) saturate(5) hue-rotate(110deg);
        }

        .accordion-body {
            background: var(--card-bg2) !important;
            color: var(--text-sub) !important;
            padding: 18px 22px 22px;
            border-left: 3px solid var(--accent);
            font-size: 0.95rem;
            line-height: 1.75;
            border-radius: 0 0 var(--radius-card) var(--radius-card);
        }

        /* CTA Form */
        .cta-section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
        }

        .cta-form-wrap {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 40px;
            box-shadow: var(--shadow-card);
        }

        .cta-form-wrap h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .cta-form-wrap .form-label {
            font-weight: 600;
            color: var(--text-sub);
            font-size: 0.9rem;
        }

        .cta-form-wrap .form-control {
            background: #1C142E;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 8px;
            color: var(--text-main);
            min-height: 46px;
            font-size: 0.95rem;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .cta-form-wrap .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px var(--accent-dim);
            background: #1C142E;
            color: var(--text-main);
        }

        .cta-form-wrap .form-control::placeholder {
            color: var(--text-muted);
        }

        .cta-form-wrap select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238A839B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            cursor: pointer;
        }

        .cta-form-wrap textarea.form-control {
            min-height: 100px;
            resize: vertical;
        }

        .btn-submit {
            background: var(--accent);
            color: var(--bg-deep);
            font-weight: 700;
            font-size: 1rem;
            border: none;
            padding: 12px 32px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
            white-space: nowrap;
        }

        .btn-submit:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn);
        }

        .cta-privacy {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 16px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep2);
            border-top: 1px solid var(--border-subtle);
            padding-top: 48px;
            padding-bottom: 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-sub);
            line-height: 1.7;
            margin-top: 10px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-sub);
            font-size: 0.9rem;
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px 16px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-sub);
            text-decoration: none;
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            :root {
                --section-pad: 60px;
                --section-pad-m: 32px;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .page-hero {
                min-height: 260px;
            }

            .page-hero h1 {
                font-size: 2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .list-item {
                flex-direction: column;
                padding: 18px;
            }

            .list-item .item-img,
            .list-item.alternate .item-img {
                width: 100%;
                height: 200px;
            }

            .list-item.alternate {
                flex-direction: column;
            }

            .cta-form-wrap {
                padding: 24px;
            }
        }

        @media (max-width: 767.98px) {
            .brand-row {
                height: 56px;
                padding: 0 14px;
            }

            .hamburger {
                display: flex;
            }

            .brand-actions .icon-btn.search-icon {
                display: none;
            }

            .channel-row {
                gap: 14px;
                padding: 0 14px;
                height: 44px;
            }

            .channel-link {
                font-size: 0.82rem;
            }

            .page-hero {
                min-height: 220px;
                padding-top: 40px;
                padding-bottom: 40px;
            }

            .page-hero h1 {
                font-size: 1.6rem;
            }

            .page-hero .hero-sub {
                font-size: 0.95rem;
            }

            .sub-channel-tag {
                padding: 6px 14px;
                font-size: 0.78rem;
            }

            .item-title {
                font-size: 1.05rem;
            }

            .item-summary {
                font-size: 0.88rem;
            }

            .cta-form-wrap {
                padding: 20px;
            }

            .cta-form-wrap h3 {
                font-size: 1.2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .btn-subscribe-nav {
                padding: 6px 12px;
                font-size: 0.82rem;
            }

            .brand-logo {
                font-size: 1.15rem;
            }

            .brand-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
            }

            .promo-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: 18px;
            }

            .promo-banner .promo-img {
                width: 100%;
                height: 160px;
            }
        }

        @media (max-width: 519.98px) {
            .page-hero h1 {
                font-size: 1.35rem;
            }

            .list-item .item-img,
            .list-item.alternate .item-img {
                height: 150px;
            }

            .item-date {
                font-size: 0.72rem;
                padding: 3px 10px;
            }

            .accordion-button {
                font-size: 0.9rem;
                padding: 14px 16px;
            }

            .accordion-body {
                padding: 14px 16px 18px;
                font-size: 0.88rem;
            }

            .data-stat-item .value {
                font-size: 0.95rem;
            }

            .pagination-wrapper .page-btn {
                min-width: 34px;
                height: 34px;
                padding: 0 8px;
                font-size: 0.8rem;
            }
        }