/* roulang page: index */
:root {
            --primary: #146EF5;
            --primary-dark: #0A4FD6;
            --primary-deep: #0A58CA;
            --accent: #F53F3F;
            --accent-2: #FF4D2E;
            --data-green: #17B890;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --text-title: #0F1B2D;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E6EDF5;
            --border-light: #E8EEF7;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 8px 24px rgba(15, 45, 75, 0.06);
            --shadow-md: 0 12px 32px rgba(15, 45, 75, 0.10);
            --shadow-lg: 0 16px 40px rgba(15, 45, 75, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --nav-height: 56px;
            --nav-tabs-height: 44px;
            --nav-total: 100px;
            --section-gap: 80px;
            --section-gap-m: 52px;
            --container-width: 1280px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--primary-dark);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .container-custom {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-block {
            padding: var(--section-gap) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 720px;
            margin-bottom: 32px;
        }

        .card-base {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
        }

        .card-base:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #dbe5f0;
        }

        .btn {
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-weight: 600;
            font-size: 15px;
            transition: all 0.2s ease;
            border: none;
            cursor: pointer;
        }

        .btn:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-primary-custom {
            background-color: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
        }

        .btn-primary-custom:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(20, 110, 245, 0.28);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline-custom {
            background-color: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-outline-custom:hover {
            background-color: #EAF2FF;
            color: var(--primary-dark);
            border-color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-accent-custom {
            background-color: var(--accent);
            color: #fff;
            border: 1px solid var(--accent);
        }

        .btn-accent-custom:hover {
            background-color: var(--accent-2);
            border-color: var(--accent-2);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(245, 63, 63, 0.25);
        }

        .btn-sm-custom {
            padding: 7px 14px;
            font-size: 13px;
            border-radius: 6px;
        }

        .badge-custom {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.03em;
            line-height: 1.6;
        }

        .badge-red {
            background-color: #FFF0F0;
            color: var(--accent);
            border: 1px solid #FFD6D6;
        }

        .badge-blue {
            background-color: #EAF2FF;
            color: var(--primary);
            border: 1px solid #C9DEFF;
        }

        .badge-green {
            background-color: #E8F9F4;
            color: var(--data-green);
            border: 1px solid #C2EBDD;
        }

        .badge-gray {
            background-color: #F1F5F9;
            color: var(--text-body);
            border: 1px solid #E2E8F0;
        }

        /* ============ HEADER ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: #fff;
            box-shadow: 0 1px 8px rgba(15, 45, 75, 0.06);
            border-bottom: 1px solid var(--border);
            padding-top: 0;
            padding-bottom: 0;
        }

        .header-row-1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 16px;
            flex-wrap: nowrap;
        }

        .brand-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-title);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

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

        .brand-logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .header-search-area {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            max-width: 360px;
            min-width: 140px;
        }

        .header-search {
            flex: 1;
            background: #F1F5F9;
            border: 1px solid transparent;
            border-radius: 6px;
            padding: 8px 14px;
            font-size: 14px;
            color: var(--text-body);
            transition: all 0.2s ease;
            min-width: 0;
        }

        .header-search::placeholder {
            color: #94A3B8;
        }

        .header-search:focus {
            background: #fff;
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 2px rgba(20, 110, 245, 0.15);
        }

        .header-search-btn {
            background: #F1F5F9;
            border: none;
            border-radius: 6px;
            padding: 8px 12px;
            color: var(--text-muted);
            cursor: pointer;
            transition: all 0.2s ease;
            flex-shrink: 0;
        }

        .header-search-btn:hover {
            background: #E2E8F0;
            color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-actions .btn {
            white-space: nowrap;
            padding: 8px 16px;
            font-size: 14px;
        }

        .header-actions .btn-login {
            background: transparent;
            color: var(--text-body);
            border: none;
            font-weight: 600;
            padding: 8px 12px;
        }

        .header-actions .btn-login:hover {
            color: var(--primary);
            background: #F1F5F9;
            border-radius: 6px;
        }

        .header-row-2 {
            border-top: 1px solid var(--border-light);
            height: var(--nav-tabs-height);
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .nav-pills-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            overflow-y: hidden;
            white-space: nowrap;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
            width: 100%;
        }

        .nav-pills-custom::-webkit-scrollbar {
            display: none;
            width: 0;
            height: 0;
        }

        .nav-pills-custom .nav-item {
            list-style: none;
            flex-shrink: 0;
        }

        .nav-pills-custom .nav-link {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            background: #F1F5F9;
            border: 1px solid transparent;
            transition: all 0.2s ease;
            white-space: nowrap;
            cursor: pointer;
            user-select: none;
        }

        .nav-pills-custom .nav-link:hover {
            background: #E2E8F0;
            color: var(--text-title);
        }

        .nav-pills-custom .nav-link.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .nav-pills-custom .nav-link .nav-indicator {
            display: none;
        }

        .nav-pills-custom .nav-link.active .nav-indicator {
            display: inline-block;
            width: 6px;
            height: 6px;
            background: #fff;
            border-radius: 50%;
            margin-left: 6px;
            vertical-align: middle;
        }

        /* ============ HERO ============ */
        .hero-section {
            position: relative;
            padding: 0;
            background: #fff;
            overflow: hidden;
            min-height: 480px;
            display: flex;
            align-items: center;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center center;
            z-index: 0;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0.78) 45%, rgba(255, 255, 255, 0.45) 70%, rgba(255, 255, 255, 0.2) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 48px 0;
            width: 100%;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero-text-area h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .hero-text-area .hero-sub {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 24px;
            max-width: 560px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 20px;
        }

        .hero-data-points {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-top: 8px;
        }

        .hero-data-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .hero-data-item .data-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--data-green);
            flex-shrink: 0;
        }

        .hero-booking-panel {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            padding: 24px;
            position: relative;
            z-index: 3;
        }

        .hero-booking-panel .panel-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-booking-panel .panel-title i {
            color: var(--primary);
            font-size: 14px;
        }

        .booking-option-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }

        .booking-option {
            padding: 7px 14px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: #F8FAFD;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-body);
            cursor: pointer;
            transition: all 0.2s ease;
            user-select: none;
            white-space: nowrap;
        }

        .booking-option:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: #EAF2FF;
        }

        .booking-option.selected {
            border-color: var(--primary);
            color: var(--primary);
            background: #EAF2FF;
            font-weight: 700;
        }

        .booking-time-select {
            width: 100%;
            padding: 8px 12px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: #F8FAFD;
            font-size: 14px;
            color: var(--text-body);
            margin-bottom: 14px;
            transition: all 0.2s ease;
        }

        .booking-time-select:focus {
            border-color: var(--primary);
            background: #fff;
            outline: none;
        }

        .hero-booking-panel .btn {
            width: 100%;
        }

        /* ============ PAIN POINTS ============ */
        .pain-section {
            background: #fff;
        }

        .pain-content {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .pain-text p {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .pain-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
            margin-top: 20px;
        }

        .pain-stat-item {
            background: var(--bg);
            border-radius: 10px;
            padding: 16px;
            text-align: center;
            border: 1px solid var(--border-light);
        }

        .pain-stat-item .stat-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.3;
        }

        .pain-stat-item .stat-num .unit {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
        }

        .pain-stat-item .stat-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .pain-image-wrap {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .pain-image-wrap img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        /* ============ SOLUTIONS ============ */
        .solution-section {
            background: var(--bg);
        }

        .solution-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: start;
        }

        .solution-image-wrap {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            position: sticky;
            top: calc(var(--nav-total) + 24px);
        }

        .solution-image-wrap img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .solution-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 14px;
        }

        .solution-text p {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .solution-capability-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-top: 20px;
        }

        .solution-capability-item {
            background: #fff;
            border-radius: 10px;
            padding: 16px;
            border: 1px solid var(--border-light);
            transition: all 0.2s ease;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .solution-capability-item:hover {
            border-color: #C9DEFF;
            box-shadow: var(--shadow-sm);
        }

        .solution-capability-item .cap-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: #EAF2FF;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }

        .solution-capability-item .cap-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-title);
            line-height: 1.5;
        }

        .solution-capability-item .cap-desc {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 400;
            line-height: 1.6;
        }

        /* ============ RESULTS ============ */
        .results-section {
            background: #fff;
        }

        .results-content {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
        }

        .results-text p {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        .metric-card {
            background: var(--bg);
            border-radius: 12px;
            padding: 20px;
            border: 1px solid var(--border-light);
            transition: all 0.2s ease;
            text-align: center;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: #C9DEFF;
            transform: translateY(-2px);
        }

        .metric-card .metric-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.3;
        }

        .metric-card .metric-num .metric-unit {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
        }

        .metric-card .metric-num.green {
            color: var(--data-green);
        }

        .metric-card .metric-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ============ TESTIMONIALS ============ */
        .testimonial-section {
            background: var(--bg);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-card .quote-mark {
            font-size: 32px;
            color: #D0DDE8;
            line-height: 1;
            margin-bottom: 12px;
            font-style: italic;
            font-family: Georgia, serif;
        }

        .testimonial-card .testimonial-text {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-title);
        }

        .testimonial-card .author-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #EAF2FF;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: #fff;
            padding: var(--section-gap) 0;
        }

        .cta-box {
            background: #0F1B2D;
            border-radius: var(--radius);
            padding: 40px 36px;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 32px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(20, 110, 245, 0.3), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-box .cta-text h3 {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .cta-box .cta-text p {
            font-size: 15px;
            color: #B8C7DB;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .cta-form {
            position: relative;
            z-index: 1;
        }

        .cta-form .form-group {
            margin-bottom: 12px;
        }

        .cta-form label {
            font-size: 13px;
            font-weight: 600;
            color: #B8C7DB;
            margin-bottom: 6px;
            display: block;
        }

        .cta-form .form-control-custom {
            width: 100%;
            padding: 10px 14px;
            border-radius: 6px;
            border: 1px solid #2A3B52;
            background: #16283F;
            color: #fff;
            font-size: 14px;
            transition: all 0.2s ease;
        }

        .cta-form .form-control-custom::placeholder {
            color: #7A8DA8;
        }

        .cta-form .form-control-custom:focus {
            border-color: var(--primary);
            background: #1A2E4A;
            outline: none;
            box-shadow: 0 0 0 2px rgba(20, 110, 245, 0.25);
        }

        .cta-form .btn-white-custom {
            background: #fff;
            color: var(--text-title);
            border: none;
            font-weight: 700;
            width: 100%;
            padding: 11px 20px;
            border-radius: 6px;
            transition: all 0.2s ease;
        }

        .cta-form .btn-white-custom:hover {
            background: #EAF2FF;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(255, 255, 255, 0.15);
        }

        .cta-form .privacy-note {
            font-size: 12px;
            color: #7A8DA8;
            margin-top: 8px;
            text-align: center;
        }

        /* ============ NEWS ============ */
        .news-section {
            background: #fff;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .news-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .news-card .news-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            overflow: hidden;
        }

        .news-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .news-card:hover .news-img img {
            transform: scale(1.03);
        }

        .news-card .news-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .news-date {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-card .news-date i {
            font-size: 11px;
            color: #B0C0D0;
        }

        .news-card .news-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.45;
            margin-bottom: 8px;
        }

        .news-card .news-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }

        .news-card .news-read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.2s ease;
            align-self: flex-start;
        }

        .news-card .news-read-more:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* ============ BRAND INTRO ============ */
        .brand-section {
            background: var(--bg);
        }

        .brand-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .brand-text p {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .brand-image-wrap {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .brand-image-wrap img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        /* ============ DEEP CONTENT H ============ */
        .deep-section-h {
            background: #fff;
        }

        .deep-content {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 36px;
            align-items: start;
        }

        .deep-text p {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .deep-side-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            position: sticky;
            top: calc(var(--nav-total) + 24px);
        }

        .deep-side-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        /* ============ DEEP CONTENT I ============ */
        .deep-section-i {
            background: var(--bg);
        }

        .deep-i-content {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 36px;
            align-items: start;
        }

        .deep-i-text p {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .deep-i-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .deep-i-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        /* ============ USER BUZZ ============ */
        .buzz-section {
            background: #fff;
        }

        .buzz-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .buzz-bubble {
            background: var(--bg);
            border-radius: 16px;
            padding: 20px;
            border: 1px solid var(--border-light);
            position: relative;
            transition: all 0.25s ease;
        }

        .buzz-bubble:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .buzz-bubble::before {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 24px;
            width: 16px;
            height: 16px;
            background: var(--bg);
            border-bottom: 1px solid var(--border-light);
            border-right: 1px solid var(--border-light);
            transform: rotate(45deg);
        }

        .buzz-bubble .buzz-text {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 10px;
        }

        .buzz-bubble .buzz-author {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-title);
        }

        .buzz-bubble .buzz-avatar {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #DCE8F8;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* ============ MILESTONES ============ */
        .milestone-section {
            background: var(--bg);
        }

        .milestone-timeline {
            display: flex;
            gap: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            padding: 20px 0 10px;
            scrollbar-width: thin;
            scrollbar-color: #D0DDE8 transparent;
        }

        .milestone-timeline::-webkit-scrollbar {
            height: 4px;
        }

        .milestone-timeline::-webkit-scrollbar-track {
            background: transparent;
        }

        .milestone-timeline::-webkit-scrollbar-thumb {
            background: #D0DDE8;
            border-radius: 4px;
        }

        .milestone-item {
            flex: 0 0 220px;
            padding: 0 16px;
            text-align: center;
            position: relative;
            border-right: 1px dashed var(--border);
            min-width: 200px;
        }

        .milestone-item:last-child {
            border-right: none;
        }

        .milestone-item .ms-year {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.4;
        }

        .milestone-item .ms-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            margin: 8px auto;
            display: block;
        }

        .milestone-item .ms-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 6px;
        }

        .milestone-item .ms-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ============ ASSURANCE ============ */
        .assurance-section {
            background: #fff;
        }

        .assurance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .assurance-item {
            text-align: center;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-light);
            background: #F8FAFD;
            transition: all 0.25s ease;
        }

        .assurance-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: #C9DEFF;
            transform: translateY(-2px);
        }

        .assurance-item .assurance-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .assurance-item .assurance-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 6px;
        }

        .assurance-item .assurance-desc {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--bg);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: 12px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.25s ease;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-item .faq-question {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-title);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: all 0.2s ease;
        }

        .faq-item .faq-question:hover {
            color: var(--primary);
        }

        .faq-item .faq-question .faq-toggle {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-toggle {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open {
            border-left: 3px solid var(--primary);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0E1B2C;
            color: #B8C7DB;
            padding: 48px 0 24px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .brand-name {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }

        .footer-brand .footer-desc {
            font-size: 13px;
            color: #7A8DA8;
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

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

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

        .footer-col ul li a {
            font-size: 13px;
            color: #7A8DA8;
            transition: color 0.2s ease;
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom-bar {
            border-top: 1px solid #1E3048;
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: #7A8DA8;
        }

        .footer-bottom-bar a {
            color: #7A8DA8;
            margin-left: 8px;
            transition: color 0.2s ease;
        }

        .footer-bottom-bar a:hover {
            color: #fff;
        }

        .footer-bottom-bar .footer-sep {
            color: #3A4E68;
            margin: 0 4px;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1199.98px) {
            .container-custom {
                padding-left: 20px;
                padding-right: 20px;
            }
            :root {
                --section-gap: 64px;
            }
            .hero-inner {
                grid-template-columns: 1.2fr 1fr;
                gap: 30px;
            }
            .solution-grid,
            .results-content,
            .deep-content,
            .deep-i-content,
            .brand-content {
                gap: 28px;
            }
        }

        @media (max-width: 991.98px) {
            :root {
                --section-gap: 52px;
                --nav-height: 48px;
                --nav-tabs-height: 40px;
                --nav-total: 88px;
            }
            .header-row-1 {
                gap: 10px;
            }
            .header-search-area {
                max-width: 200px;
            }
            .header-actions .btn {
                padding: 7px 12px;
                font-size: 13px;
            }
            .header-actions .btn-login {
                display: none;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-section {
                min-height: auto;
                padding: 32px 0;
            }
            .hero-bg::after {
                background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.75) 60%, rgba(255, 255, 255, 0.55) 100%);
            }
            .hero-booking-panel {
                max-width: 480px;
            }
            .pain-content,
            .solution-grid,
            .results-content,
            .brand-content,
            .deep-content,
            .deep-i-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .solution-image-wrap,
            .deep-side-image {
                position: static;
            }
            .solution-image-wrap img,
            .deep-side-image img,
            .brand-image-wrap img,
            .deep-i-image img {
                height: auto;
                max-height: 320px;
            }
            .pain-image-wrap img {
                height: 260px;
            }
            .testimonial-grid,
            .buzz-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .assurance-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-box {
                grid-template-columns: 1fr;
                padding: 28px 24px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-gap: 44px;
            }
            body {
                font-size: 15px;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-logo {
                font-size: 17px;
            }
            .brand-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
                border-radius: 6px;
            }
            .header-search-area {
                max-width: 120px;
                min-width: 80px;
            }
            .header-search {
                padding: 6px 10px;
                font-size: 12px;
            }
            .header-actions .btn {
                padding: 6px 10px;
                font-size: 12px;
                white-space: nowrap;
            }
            .hero-text-area h1 {
                font-size: clamp(1.5rem, 6vw, 2rem);
            }
            .hero-text-area .hero-sub {
                font-size: 14px;
            }
            .hero-data-points {
                gap: 10px;
                flex-wrap: wrap;
            }
            .pain-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .pain-stat-item {
                padding: 10px;
            }
            .pain-stat-item .stat-num {
                font-size: 17px;
            }
            .solution-capability-list {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .metric-card {
                padding: 14px;
            }
            .metric-card .metric-num {
                font-size: 22px;
            }
            .testimonial-grid,
            .buzz-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .assurance-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .cta-box {
                padding: 22px 16px;
                border-radius: 10px;
            }
            .cta-box .cta-text h3 {
                font-size: 19px;
            }
        }

        @media (max-width: 575.98px) {
            :root {
                --section-gap: 36px;
                --nav-height: 44px;
                --nav-tabs-height: 38px;
                --nav-total: 82px;
            }
            .container-custom {
                padding-left: 12px;
                padding-right: 12px;
            }
            .header-row-1 {
                gap: 6px;
                flex-wrap: wrap;
            }
            .brand-logo {
                font-size: 15px;
                gap: 6px;
            }
            .brand-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 11px;
            }
            .header-search-area {
                max-width: 100px;
                min-width: 60px;
                flex: 0 1 auto;
            }
            .header-search {
                font-size: 11px;
                padding: 5px 8px;
            }
            .header-actions .btn {
                padding: 5px 8px;
                font-size: 11px;
                white-space: nowrap;
            }
            .header-actions .btn-subscribe {
                display: none;
            }
            .nav-pills-custom .nav-link {
                padding: 5px 12px;
                font-size: 12px;
            }
            .hero-section {
                padding: 20px 0;
            }
            .hero-text-area h1 {
                font-size: 1.4rem;
                line-height: 1.35;
            }
            .hero-text-area .hero-sub {
                font-size: 13px;
                line-height: 1.7;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 8px;
            }
            .hero-cta-group .btn {
                width: 100%;
                text-align: center;
            }
            .hero-booking-panel {
                padding: 16px;
            }
            .pain-stats {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 6px;
            }
            .pain-stat-item {
                padding: 8px;
            }
            .pain-stat-item .stat-num {
                font-size: 15px;
            }
            .pain-stat-item .stat-label {
                font-size: 10px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .assurance-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-desc {
                font-size: 14px;
            }
            .milestone-item {
                flex-basis: 180px;
                min-width: 160px;
                padding: 0 10px;
            }
            .cta-form .form-control-custom {
                font-size: 13px;
                padding: 8px 10px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #146EF5;
            --primary-dark: #0A4FD6;
            --primary-deep: #0A58CA;
            --accent: #F53F3F;
            --accent-2: #FF4D2E;
            --data-green: #17B890;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --text-title: #0F1B2D;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E6EDF5;
            --border-light: #E8EEF7;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 8px 24px rgba(15, 45, 75, 0.06);
            --shadow-md: 0 12px 32px rgba(15, 45, 75, 0.10);
            --shadow-lg: 0 16px 40px rgba(15, 45, 75, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --nav-height: 56px;
            --nav-tabs-height: 44px;
            --nav-total: 100px;
            --section-gap: 64px;
            --section-gap-m: 40px;
            --container-width: 1280px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-total);
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--primary-dark);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .container-custom {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-block {
            padding: var(--section-gap) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 720px;
            margin-bottom: 32px;
        }

        .card-base {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
        }

        .card-base:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #dbe5f0;
        }

        .btn {
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-weight: 600;
            font-size: 15px;
            transition: all 0.2s ease;
            border: none;
            cursor: pointer;
        }

        .btn:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-primary-custom {
            background-color: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
        }

        .btn-primary-custom:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(20, 110, 245, 0.28);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline-custom {
            background-color: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-outline-custom:hover {
            background-color: #EAF2FF;
            color: var(--primary-dark);
            border-color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-accent-custom {
            background-color: var(--accent);
            color: #fff;
            border: 1px solid var(--accent);
        }

        .btn-accent-custom:hover {
            background-color: var(--accent-2);
            border-color: var(--accent-2);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(245, 63, 63, 0.25);
        }

        .btn-sm-custom {
            padding: 7px 14px;
            font-size: 13px;
            border-radius: 6px;
        }

        .badge-custom {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.03em;
            line-height: 1.4;
        }

        .badge-blue {
            background-color: #EAF2FF;
            color: var(--primary);
        }

        .badge-red {
            background-color: #FFEEEE;
            color: var(--accent);
        }

        .badge-green {
            background-color: #E8FBF5;
            color: var(--data-green);
        }

        .badge-gray {
            background-color: #F1F5F9;
            color: var(--text-muted);
        }

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

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

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

        .text-primary-custom {
            color: var(--primary) !important;
        }

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

        .text-green-custom {
            color: var(--data-green) !important;
        }

        .fw-700 {
            font-weight: 700;
        }

        .fw-800 {
            font-weight: 800;
        }

        .mb-0 {
            margin-bottom: 0;
        }

        .mt-0 {
            margin-top: 0;
        }

        .gap-3 {
            gap: 1rem;
        }

        /* Site Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 12px rgba(15, 45, 75, 0.05);
        }

        .header-row-1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 16px;
        }

        .brand-area {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-title);
            white-space: nowrap;
        }

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

        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .header-search-area {
            display: flex;
            align-items: center;
            flex: 1;
            max-width: 360px;
            background: #F1F5F9;
            border-radius: 6px;
            overflow: hidden;
            border: 1px solid transparent;
            transition: border-color 0.2s ease, background 0.2s ease;
        }

        .header-search-area:focus-within {
            border-color: var(--primary);
            background: #fff;
        }

        .header-search {
            flex: 1;
            border: none;
            background: transparent;
            padding: 9px 14px;
            font-size: 14px;
            color: var(--text-body);
        }

        .header-search:focus {
            outline: none;
        }

        .header-search::placeholder {
            color: #94A3B8;
        }

        .header-search-btn {
            border: none;
            background: transparent;
            padding: 9px 14px;
            color: var(--text-muted);
            cursor: pointer;
            transition: color 0.2s ease;
        }

        .header-search-btn:hover {
            color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            color: var(--text-body);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .btn-login:hover {
            background: #F1F5F9;
            border-color: #cbd5e1;
            color: var(--text-title);
        }

        .header-row-2 {
            height: var(--nav-tabs-height);
            overflow-x: auto;
            overflow-y: hidden;
            scrollbar-width: none;
            -ms-overflow-style: none;
            display: flex;
            align-items: center;
            border-top: 1px solid #F1F5F9;
        }

        .header-row-2::-webkit-scrollbar {
            display: none;
        }

        .nav-pills-custom {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            align-items: center;
            white-space: nowrap;
            min-width: max-content;
        }

        .nav-pills-custom .nav-item {
            display: inline-flex;
        }

        .nav-pills-custom .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            border-radius: 20px;
            text-decoration: none;
            transition: all 0.2s ease;
            position: relative;
            white-space: nowrap;
        }

        .nav-pills-custom .nav-link:hover {
            background: #F1F5F9;
            color: var(--text-title);
        }

        .nav-pills-custom .nav-link.active {
            background: var(--primary);
            color: #fff;
        }

        .nav-pills-custom .nav-link.active .nav-indicator {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            margin-left: 6px;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.7); }
        }

        .nav-indicator {
            display: none;
        }

        /* Mobile Menu Toggle */
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 22px;
            color: var(--text-title);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
        }

        .mobile-menu-toggle:hover {
            background: #F1F5F9;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-custom .separator {
            color: #CBD5E1;
        }

        .breadcrumb-custom .current {
            color: var(--text-title);
            font-weight: 600;
        }

        /* Hero */
        .category-hero {
            position: relative;
            background-image: linear-gradient(135deg, rgba(15, 27, 45, 0.85) 0%, rgba(15, 27, 45, 0.65) 50%, rgba(20, 110, 245, 0.55) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 72px 0 56px;
            color: #fff;
            border-radius: 0;
        }

        .category-hero .hero-title {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .category-hero .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 24px;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-hero-light {
            background: #fff;
            color: var(--text-title);
            border: 1px solid #fff;
            border-radius: var(--radius-sm);
            padding: 11px 22px;
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .btn-hero-light:hover {
            background: #EAF2FF;
            border-color: #EAF2FF;
            color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255,255,255,0.3);
        }

        .btn-hero-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-sm);
            padding: 11px 22px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .btn-hero-outline-light:hover {
            background: rgba(255,255,255,0.15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-1px);
        }

        /* Category Intro */
        .category-intro-section {
            padding: var(--section-gap) 0 0;
        }

        .category-intro-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }

        .category-intro-card h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 12px;
        }

        .category-intro-card p {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .category-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        /* Article List */
        .article-list-section {
            padding: var(--section-gap) 0 0;
        }

        .article-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
            margin-bottom: 24px;
        }

        .article-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #dbe5f0;
        }

        .article-card-body {
            padding: 24px;
        }

        .article-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
            line-height: 1.45;
        }

        .article-title a {
            color: var(--text-title);
        }

        .article-title a:hover {
            color: var(--primary);
        }

        .article-summary {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .article-readmore {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-readmore:hover {
            color: var(--primary-dark);
        }

        .article-cover {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: #EAF2FF;
        }

        /* Pagination */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            padding: 24px 0;
        }

        .pagination-btn {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text-body);
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
        }

        .pagination-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .pagination-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .pagination-dots {
            color: var(--text-muted);
            font-weight: 600;
        }

        /* Sidebar */
        .sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            margin-bottom: 24px;
        }

        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-light);
        }

        .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .hot-list li {
            padding: 10px 0;
            border-bottom: 1px solid #F1F5F9;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-body);
        }

        .hot-list li:last-child {
            border-bottom: none;
        }

        .hot-rank {
            width: 22px;
            height: 22px;
            border-radius: 6px;
            background: #F1F5F9;
            color: var(--text-muted);
            font-size: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .hot-rank.top-1 {
            background: #FFF3E0;
            color: #F59E0B;
        }

        .hot-rank.top-2 {
            background: #F5F5F5;
            color: #6B7280;
        }

        .hot-rank.top-3 {
            background: #FDE8E8;
            color: #D97706;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-item {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            background: #F1F5F9;
            color: var(--text-body);
            font-size: 13px;
            font-weight: 500;
            transition: all 0.2s ease;
        }

        .tag-item:hover {
            background: #EAF2FF;
            color: var(--primary);
        }

        .subscription-box {
            background: linear-gradient(135deg, #EAF2FF 0%, #F8FBFF 100%);
            border: 1px solid #D6E4FF;
            border-radius: var(--radius);
            padding: 20px;
        }

        .subscription-box h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .subscription-box p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
        }

        .subscription-form input {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 6px;
            font-size: 14px;
            margin-bottom: 10px;
            transition: border-color 0.2s ease;
        }

        .subscription-form input:focus {
            outline: none;
            border-color: var(--primary);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 12px;
            background: var(--card-bg);
            overflow: hidden;
            transition: box-shadow 0.25s ease;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 16px 20px;
            font-weight: 700;
            font-size: 15px;
            color: var(--text-title);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            background: var(--card-bg);
        }

        .faq-question .faq-icon {
            color: var(--primary);
            font-size: 14px;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 20px 16px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA */
        .category-cta {
            background: linear-gradient(135deg, #0F1B2D 0%, #1A2A44 100%);
            border-radius: var(--radius);
            padding: 40px 32px;
            color: #fff;
            text-align: center;
        }

        .category-cta h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .category-cta p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 20px;
            line-height: 1.75;
        }

        /* Footer */
        .site-footer {
            background: #0E1B2C;
            color: #B0BEC5;
            padding: 48px 0 24px;
            margin-top: var(--section-gap);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 14px;
            color: #90A4AE;
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #ECEFF1;
            margin-bottom: 12px;
        }

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

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

        .footer-col ul li a {
            color: #B0BEC5;
            font-size: 14px;
            transition: color 0.2s ease;
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom-bar {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: #78909C;
        }

        .footer-bottom-bar a {
            color: #90A4AE;
        }

        .footer-bottom-bar a:hover {
            color: #fff;
        }

        .footer-sep {
            margin: 0 8px;
            color: #455A64;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .header-actions .btn-subscribe {
                display: none;
            }

            .category-hero {
                padding: 56px 0 40px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 48px;
                --nav-tabs-height: 40px;
                --nav-total: 88px;
                --section-gap: 40px;
            }

            body {
                padding-top: var(--nav-total);
            }

            .header-search-area {
                max-width: 200px;
            }

            .header-actions {
                gap: 6px;
            }

            .btn-login {
                padding: 7px 12px;
                font-size: 13px;
            }

            .btn-subscribe {
                display: none !important;
            }

            .category-hero .hero-title {
                font-size: 1.6rem;
            }

            .category-hero .hero-desc {
                font-size: 15px;
            }

            .article-card-body {
                padding: 16px;
            }

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

            .footer-bottom-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .category-cta {
                padding: 28px 20px;
            }
        }

        @media (max-width: 576px) {
            :root {
                --nav-height: 44px;
                --nav-tabs-height: 38px;
                --nav-total: 82px;
                --section-gap: 32px;
            }

            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .header-search-area {
                display: none;
            }

            .brand-logo {
                font-size: 17px;
            }

            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 15px;
            }

            .header-row-1 {
                gap: 8px;
            }

            .nav-pills-custom .nav-link {
                padding: 6px 10px;
                font-size: 13px;
            }

            .category-hero {
                padding: 40px 0 28px;
            }

            .category-hero .hero-title {
                font-size: 1.4rem;
            }

            .category-hero .hero-desc {
                font-size: 14px;
            }

            .hero-cta-group {
                gap: 8px;
            }

            .btn-hero-light,
            .btn-hero-outline-light {
                padding: 9px 16px;
                font-size: 13px;
            }

            .category-intro-card {
                padding: 20px;
            }

            .article-card-body {
                padding: 14px;
            }

            .article-title {
                font-size: 1rem;
            }

            .article-summary {
                font-size: 14px;
            }

            .pagination-btn {
                width: 34px;
                height: 34px;
                font-size: 12px;
            }

            .sidebar-card {
                padding: 18px;
            }

            .category-cta h2 {
                font-size: 1.25rem;
            }
        }

        @media (max-width: 420px) {
            .brand-logo {
                font-size: 15px;
            }

            .logo-icon {
                width: 24px;
                height: 24px;
                font-size: 13px;
                border-radius: 6px;
            }

            .btn-login {
                padding: 6px 10px;
                font-size: 12px;
            }

            .nav-pills-custom .nav-link {
                padding: 5px 8px;
                font-size: 12px;
                border-radius: 16px;
            }

            .category-hero .hero-title {
                font-size: 1.25rem;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #146EF5;
  --primary-dark: #0A4FD6;
  --primary-deep: #0A58CA;
  --accent: #F53F3F;
  --accent-2: #FF4D2E;
  --data-green: #17B890;
  --bg: #F5F8FC;
  --card-bg: #FFFFFF;
  --text-title: #0F1B2D;
  --text-body: #334155;
  --text-muted: #64748B;
  --border: #E6EDF5;
  --border-light: #E8EEF7;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 8px 24px rgba(15, 45, 75, 0.06);
  --shadow-md: 0 12px 32px rgba(15, 45, 75, 0.10);
  --shadow-lg: 0 16px 40px rgba(15, 45, 75, 0.12);
  --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --nav-height: 56px;
  --nav-tabs-height: 44px;
  --nav-total: 100px;
  --section-gap: 64px;
  --section-gap-m: 44px;
  --container-width: 1280px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-stack);
  background-color: var(--bg);
  color: var(--text-body);
  line-height: 1.75;
  font-size: 16px;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--primary-dark);
}
button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.container-custom {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section-block {
  padding: var(--section-gap) 0;
}
.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 720px;
  margin-bottom: 32px;
}
.card-base {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}
.card-base:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: #dbe5f0;
}
.btn {
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}
.btn:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn-primary-custom {
  background-color: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
}
.btn-primary-custom:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(20, 110, 245, 0.28);
}
.btn-primary-custom:active {
  transform: translateY(0);
  box-shadow: none;
}
.btn-outline-custom {
  background-color: #fff;
  color: var(--primary);
  border: 1px solid var(--primary);
}
.btn-outline-custom:hover {
  background-color: #EAF2FF;
  color: var(--primary-dark);
  border-color: var(--primary);
  transform: translateY(-1px);
}
.btn-accent-custom {
  background-color: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}
.btn-accent-custom:hover {
  background-color: var(--accent-2);
  border-color: var(--accent-2);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(245, 63, 63, 0.25);
}
.btn-sm-custom {
  padding: 7px 14px;
  font-size: 13px;
  border-radius: 6px;
}
.badge-custom {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.5;
}
.badge-accent {
  background-color: #FFF0F0;
  color: var(--accent);
}
.badge-primary {
  background-color: #EAF2FF;
  color: var(--primary);
}
.badge-green {
  background-color: #E6F8F4;
  color: var(--data-green);
}

/* ===== Header / Nav ===== */
.site-header {
  background: #fff;
  box-shadow: 0 1px 0 rgba(15, 45, 75, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-row-1 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--nav-height);
  flex-wrap: wrap;
  padding: 10px 0;
}
.brand-area {
  flex-shrink: 0;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-title);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.02em;
}
.brand-logo:hover {
  color: var(--primary);
}
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  font-size: 17px;
  font-weight: 800;
}
.header-search-area {
  flex: 1 1 280px;
  max-width: 420px;
  display: flex;
  align-items: center;
  background: #F1F5F9;
  border-radius: 6px;
  padding: 0 4px 0 14px;
  transition: border-color 0.2s ease;
  border: 1px solid transparent;
}
.header-search-area:focus-within {
  border-color: var(--primary);
  background: #fff;
}
.header-search {
  flex: 1;
  border: none;
  background: transparent;
  padding: 9px 8px 9px 0;
  font-size: 14px;
  color: var(--text-body);
}
.header-search:focus {
  outline: none;
}
.header-search::placeholder {
  color: #9AA7B5;
}
.header-search-btn {
  border: none;
  background: transparent;
  color: var(--text-muted);
  padding: 8px 12px;
  cursor: pointer;
  font-size: 14px;
  border-radius: 6px;
  transition: color 0.2s ease;
}
.header-search-btn:hover {
  color: var(--primary);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn-login {
  background: transparent;
  color: var(--text-title);
  border: 1px solid var(--border);
  padding: 8px 16px;
  font-size: 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: all 0.2s ease;
}
.btn-login:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: #fff;
}
.btn-subscribe {
  padding: 9px 18px;
  font-size: 14px;
  white-space: nowrap;
}
.header-row-2 {
  display: flex;
  align-items: center;
  min-height: var(--nav-tabs-height);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  border-top: 1px solid #F0F4F9;
  padding: 4px 0;
}
.header-row-2::-webkit-scrollbar {
  display: none;
}
.nav-pills-custom {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
  white-space: nowrap;
}
.nav-pills-custom .nav-item {
  flex-shrink: 0;
}
.nav-pills-custom .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: 20px;
  transition: all 0.2s ease;
  position: relative;
}
.nav-pills-custom .nav-link:hover {
  color: var(--text-title);
  background: #F1F5F9;
}
.nav-pills-custom .nav-link.active {
  color: var(--primary);
  background: #EAF2FF;
}
.nav-pills-custom .nav-link.active .nav-indicator {
  display: inline-block;
  width: 18px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
}
@media (max-width: 991px) {
  .header-row-1 {
    flex-wrap: wrap;
    gap: 12px;
  }
  .header-search-area {
    order: 3;
    flex: 1 1 100%;
    max-width: none;
  }
  .header-actions {
    margin-left: auto;
  }
}
@media (max-width: 575px) {
  .header-row-1 {
    padding: 8px 0;
    gap: 8px;
  }
  .brand-logo {
    font-size: 17px;
  }
  .logo-icon {
    width: 30px;
    height: 30px;
    font-size: 14px;
    border-radius: 8px;
  }
  .btn-subscribe {
    padding: 7px 12px;
    font-size: 12px;
  }
  .btn-login {
    padding: 6px 12px;
    font-size: 12px;
  }
  .header-search {
    font-size: 13px;
  }
  .nav-pills-custom .nav-link {
    padding: 6px 12px;
    font-size: 13px;
  }
}

/* ===== Breadcrumb ===== */
.breadcrumb-custom {
  background: transparent;
  margin: 0;
  padding: 16px 0 0;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.breadcrumb-custom a {
  color: var(--text-muted);
  transition: color 0.2s ease;
}
.breadcrumb-custom a:hover {
  color: var(--primary);
}
.breadcrumb-custom .separator {
  color: #B8C4CE;
  font-size: 11px;
}
.breadcrumb-custom .current {
  color: var(--text-title);
  font-weight: 600;
}

/* ===== Category Hero ===== */
.category-hero {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  margin: 24px 0 40px;
  min-height: 300px;
  display: flex;
  align-items: flex-end;
  background: #0F1B2D;
  box-shadow: var(--shadow-md);
}
.category-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}
.category-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 27, 45, 0.1) 0%, rgba(15, 27, 45, 0.75) 65%);
}
.category-hero-content {
  position: relative;
  z-index: 2;
  padding: 48px 40px;
  width: 100%;
}
.category-hero-tag {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}
.category-hero h1 {
  color: #fff;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.25;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.category-hero-desc {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  max-width: 600px;
  line-height: 1.7;
  margin: 0;
}
@media (max-width: 575px) {
  .category-hero {
    min-height: 240px;
    border-radius: 12px;
    margin: 16px 0 28px;
  }
  .category-hero-content {
    padding: 28px 20px;
  }
  .category-hero h1 {
    font-size: 1.6rem;
  }
  .category-hero-desc {
    font-size: 14px;
  }
}

/* ===== Layout ===== */
.category-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  align-items: start;
}
@media (max-width: 991px) {
  .category-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* ===== Article List ===== */
.article-card {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 24px;
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
  display: flex;
  flex-direction: column;
}
.article-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: #dbe5f0;
}
.article-card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #EAF0F6;
  position: relative;
}
.article-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.article-card:hover .article-card-image img {
  transform: scale(1.03);
}
.article-card-date {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 27, 45, 0.75);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 6px;
  letter-spacing: 0.03em;
}
.article-card-body {
  padding: 22px 24px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.article-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.45;
  margin: 0 0 10px;
}
.article-card-title a {
  color: var(--text-title);
  transition: color 0.2s ease;
}
.article-card-title a:hover {
  color: var(--primary);
}
.article-card-summary {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0 0 16px;
  flex: 1;
}
.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.article-card-read {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--primary);
  transition: all 0.2s ease;
}
.article-card-read i {
  font-size: 11px;
  transition: transform 0.2s ease;
}
.article-card-read:hover {
  color: var(--primary-dark);
}
.article-card-read:hover i {
  transform: translateX(3px);
}
.article-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  background: #F1F5F9;
  padding: 3px 10px;
  border-radius: 4px;
}

/* ===== Load More / Pagination ===== */
.pagination-custom {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.pagination-custom .page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.pagination-custom .page-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: #EAF2FF;
}
.pagination-custom .page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.pagination-custom .page-btn.disabled {
  opacity: 0.5;
  pointer-events: none;
}
.load-more-btn {
  display: block;
  width: 100%;
  max-width: 320px;
  margin: 8px auto 0;
  text-align: center;
}

/* ===== Sidebar ===== */
.sidebar-card {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  margin-bottom: 24px;
}
.sidebar-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-title);
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-card h3 i {
  color: var(--primary);
  font-size: 15px;
}
.hot-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.hot-tag {
  display: inline-block;
  padding: 5px 14px;
  background: #F1F5F9;
  color: var(--text-body);
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  transition: all 0.2s ease;
}
.hot-tag:hover {
  background: #EAF2FF;
  color: var(--primary);
}
.hot-rank-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.hot-rank-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
}
.hot-rank-list li:last-child {
  border-bottom: none;
}
.hot-rank-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: #F1F5F9;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 800;
  color: var(--text-muted);
  flex-shrink: 0;
}
.hot-rank-list li:nth-child(1) .hot-rank-num {
  background: var(--accent);
  color: #fff;
}
.hot-rank-list li:nth-child(2) .hot-rank-num {
  background: var(--accent-2);
  color: #fff;
}
.hot-rank-list li:nth-child(3) .hot-rank-num {
  background: #FFB020;
  color: #fff;
}
.hot-rank-text {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.5;
}
.hot-rank-text span {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
}
.sidebar-form .form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 6px;
  display: block;
}
.sidebar-form .form-control {
  border-radius: 6px;
  border: 1px solid var(--border);
  padding: 9px 12px;
  font-size: 14px;
  color: var(--text-body);
  margin-bottom: 12px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
}
.sidebar-form .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(20, 110, 245, 0.12);
  outline: none;
}
.sidebar-form .btn {
  width: 100%;
}
.form-privacy {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
  text-align: center;
}

/* ===== Footer ===== */
.site-footer {
  background: #0E1B2C;
  color: #C7D3E0;
  padding: 48px 0 0;
  margin-top: var(--section-gap);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
}
.footer-brand .brand-name {
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.footer-desc {
  font-size: 14px;
  color: #9FB0C2;
  line-height: 1.7;
  max-width: 280px;
  margin: 0;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 14px;
  letter-spacing: 0.02em;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col ul li {
  margin-bottom: 8px;
}
.footer-col ul li a {
  color: #9FB0C2;
  font-size: 14px;
  transition: color 0.2s ease;
}
.footer-col ul li a:hover {
  color: #fff;
}
.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  color: #8A9BB0;
}
.footer-bottom-bar a {
  color: #8A9BB0;
  transition: color 0.2s ease;
}
.footer-bottom-bar a:hover {
  color: #fff;
}
.footer-sep {
  margin: 0 8px;
  color: #4A5C72;
}
@media (max-width: 991px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}
@media (max-width: 575px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-bottom-bar {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}

/* ===== Responsive adjustments ===== */
@media (max-width: 575px) {
  .section-block {
    padding: var(--section-gap-m) 0;
  }
  .container-custom {
    padding-left: 16px;
    padding-right: 16px;
  }
  .category-layout {
    gap: 20px;
  }
  .article-card-body {
    padding: 18px 16px 16px;
  }
  .article-card-title {
    font-size: 1.05rem;
  }
  .sidebar-card {
    padding: 18px;
  }
}

/* Bootstrap overrides */
.nav-pills-custom .nav-link {
  border: none;
  background: transparent;
}
.breadcrumb {
  background: transparent;
  margin: 0;
  padding: 0;
}

/* roulang page: category3 */
:root {
            --primary: #146EF5;
            --primary-dark: #0A4FD6;
            --primary-deep: #0A58CA;
            --accent: #F53F3F;
            --accent-2: #FF4D2E;
            --data-green: #17B890;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --text-title: #0F1B2D;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E6EDF5;
            --border-light: #E8EEF7;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 8px 24px rgba(15, 45, 75, 0.06);
            --shadow-md: 0 12px 32px rgba(15, 45, 75, 0.10);
            --shadow-lg: 0 16px 40px rgba(15, 45, 75, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --nav-height: 56px;
            --nav-tabs-height: 44px;
            --nav-total: 100px;
            --section-gap: 64px;
            --section-gap-m: 48px;
            --container-width: 1280px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--primary-dark);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .container-custom {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-block {
            padding: var(--section-gap) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 720px;
            margin-bottom: 32px;
        }

        .card-base {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
        }

        .card-base:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #dbe5f0;
        }

        .btn {
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-weight: 600;
            font-size: 15px;
            transition: all 0.2s ease;
            border: none;
            cursor: pointer;
        }

        .btn:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-primary-custom {
            background-color: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
        }

        .btn-primary-custom:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(20, 110, 245, 0.28);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline-custom {
            background-color: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-outline-custom:hover {
            background-color: #EAF2FF;
            color: var(--primary-dark);
            border-color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-accent-custom {
            background-color: var(--accent);
            color: #fff;
            border: 1px solid var(--accent);
        }

        .btn-accent-custom:hover {
            background-color: var(--accent-2);
            border-color: var(--accent-2);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(245, 63, 63, 0.25);
        }

        .btn-sm-custom {
            padding: 7px 14px;
            font-size: 13px;
            border-radius: 6px;
        }

        .badge-custom {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.03em;
            line-height: 1.4;
        }

        .badge-primary {
            background-color: #EAF2FF;
            color: var(--primary);
        }

        .badge-accent {
            background-color: #FFF0ED;
            color: var(--accent-2);
        }

        .badge-green {
            background-color: #E6F8F3;
            color: var(--data-green);
        }

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

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

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

        /* Header / Nav */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(15, 45, 75, 0.04);
        }

        .header-row-1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 20px;
            padding: 0 0;
        }

        .brand-area {
            display: flex;
            align-items: center;
            min-width: 0;
            flex-shrink: 0;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-title);
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
            text-decoration: none;
            white-space: nowrap;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .header-search-area {
            display: flex;
            align-items: center;
            flex: 1;
            max-width: 380px;
            background: #F1F5F9;
            border-radius: var(--radius-sm);
            padding: 0 12px;
            height: 38px;
            transition: border-color 0.2s ease, background 0.2s ease;
        }

        .header-search-area:focus-within {
            border: 1px solid var(--primary);
            background: #fff;
        }

        .header-search {
            border: none;
            background: transparent;
            flex: 1;
            font-size: 14px;
            color: var(--text-body);
            padding: 0;
            height: 100%;
        }

        .header-search:focus {
            outline: none;
        }

        .header-search::placeholder {
            color: #98A6B8;
        }

        .header-search-btn {
            border: none;
            background: transparent;
            color: var(--text-muted);
            cursor: pointer;
            padding: 0 4px;
            font-size: 14px;
            display: flex;
            align-items: center;
            height: 100%;
        }

        .header-search-btn:hover {
            color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            color: var(--text-body);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .btn-login:hover {
            background: #F1F5F9;
            border-color: #dbe5f0;
            color: var(--text-title);
            transform: translateY(-1px);
        }

        .btn-subscribe {
            padding: 8px 16px;
            font-size: 14px;
            white-space: nowrap;
        }

        .header-row-2 {
            display: flex;
            align-items: center;
            height: var(--nav-tabs-height);
            border-top: 1px solid var(--border-light);
            overflow-x: auto;
            overflow-y: hidden;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 0;
        }

        .header-row-2::-webkit-scrollbar {
            display: none;
        }

        .nav-pills-custom {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            white-space: nowrap;
            height: 100%;
        }

        .nav-pills-custom .nav-item {
            height: 100%;
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .nav-pills-custom .nav-link {
            display: flex;
            align-items: center;
            height: 100%;
            padding: 0 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            border-radius: 0;
            position: relative;
            transition: color 0.2s ease, background 0.2s ease;
            text-decoration: none;
            cursor: pointer;
        }

        .nav-pills-custom .nav-link:hover {
            color: var(--primary);
            background: #F8FAFE;
        }

        .nav-pills-custom .nav-link.active {
            color: var(--primary);
            background: #EAF2FF;
        }

        .nav-pills-custom .nav-link.active .nav-indicator {
            display: block;
        }

        .nav-indicator {
            display: none;
            position: absolute;
            bottom: 0;
            left: 12px;
            right: 12px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 16px 0 0;
            background: transparent;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 14px;
            color: var(--text-muted);
            gap: 4px;
        }

        .breadcrumb-custom li {
            display: flex;
            align-items: center;
        }

        .breadcrumb-custom li + li::before {
            content: '/';
            margin: 0 8px;
            color: #B0BECB;
        }

        .breadcrumb-custom a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        .breadcrumb-custom .current {
            color: var(--text-title);
            font-weight: 600;
        }

        /* Hero */
        .hero-esports {
            padding: 40px 0 48px;
            background: var(--bg);
        }

        .hero-esports-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 36px 40px;
            position: relative;
            overflow: hidden;
        }

        .hero-esports-content h1 {
            font-size: clamp(1.9rem, 4vw, 2.8rem);
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .hero-esports-content .hero-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .hero-action-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 20px;
        }

        .hero-stat-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: #F8FAFE;
            border: 1px solid var(--border-light);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-body);
        }

        .hero-stat-pill i {
            color: var(--primary);
            font-size: 13px;
        }

        .hero-stat-pill .highlight {
            color: var(--accent);
            font-weight: 700;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .hero-esports-visual {
            position: relative;
            min-height: 300px;
            border-radius: 12px;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            padding: 20px;
            box-shadow: var(--shadow-sm);
        }

        .hero-visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 27, 45, 0.12) 0%, rgba(15, 27, 45, 0.65) 100%);
            z-index: 1;
        }

        .hero-visual-info {
            position: relative;
            z-index: 2;
            color: #fff;
        }

        .hero-visual-info .tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(245, 63, 63, 0.9);
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .hero-visual-info .match-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .hero-visual-info .match-detail {
            font-size: 13px;
            opacity: 0.85;
        }

        /* Team-up module (拼团转化) */
        .teamup-module {
            margin-top: 20px;
            background: #F8FAFE;
            border: 1px solid var(--border-light);
            border-radius: 10px;
            padding: 16px 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
        }

        .teamup-progress {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
            min-width: 200px;
        }

        .teamup-avatars {
            display: flex;
            align-items: center;
        }

        .teamup-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            border: 2px solid #fff;
            margin-left: -6px;
        }

        .teamup-avatar:first-child {
            margin-left: 0;
            background: var(--accent);
        }

        .teamup-avatar:nth-child(2) {
            background: var(--primary-deep);
        }

        .teamup-avatar:nth-child(3) {
            background: var(--data-green);
        }

        .teamup-text {
            font-size: 14px;
            color: var(--text-body);
            font-weight: 600;
        }

        .teamup-text .count {
            color: var(--accent);
            font-weight: 700;
        }

        .teamup-buttons {
            display: flex;
            gap: 8px;
            flex-shrink: 0;
        }

        /* Channel intro */
        .channel-intro-section {
            padding: 24px 0 8px;
        }

        .channel-intro-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 24px;
            align-items: start;
        }

        .channel-intro-text h2 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .channel-intro-text p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 0;
        }

        .channel-intro-stats {
            display: flex;
            gap: 24px;
            flex-shrink: 0;
        }

        .intro-stat {
            text-align: center;
        }

        .intro-stat .number {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
        }

        .intro-stat .label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Main content layout */
        .main-content-section {
            padding: 32px 0 48px;
        }

        .main-grid {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
            align-items: start;
        }

        /* Article list */
        .article-list-title {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .article-list-title i {
            color: var(--primary);
            font-size: 1.1rem;
        }

        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .article-card {
            display: grid;
            grid-template-columns: 240px 1fr;
            gap: 20px;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
        }

        .article-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #dbe5f0;
        }

        .article-card-thumb {
            width: 100%;
            aspect-ratio: 16/10;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .article-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .article-card:hover .article-card-thumb img {
            transform: scale(1.04);
        }

        .article-card-body {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-width: 0;
        }

        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .article-card-meta i {
            color: var(--primary);
            font-size: 12px;
        }

        .article-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .article-card-title a {
            color: var(--text-title);
            text-decoration: none;
        }

        .article-card-title a:hover {
            color: var(--primary);
        }

        .article-card-excerpt {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.2s ease, color 0.2s ease;
        }

        .article-read-more:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* Pagination */
        .pagination-custom {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .pagination-custom .page-btn {
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text-body);
            cursor: pointer;
            transition: all 0.2s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .pagination-custom .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .pagination-custom .page-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .pagination-custom .page-btn.disabled {
            opacity: 0.5;
            pointer-events: none;
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 24px;
        }

        .sidebar-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-title i {
            color: var(--primary);
            font-size: 0.95rem;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag-link {
            padding: 6px 12px;
            border-radius: 16px;
            font-size: 13px;
            font-weight: 600;
            background: #F8FAFE;
            color: var(--text-body);
            border: 1px solid var(--border-light);
            text-decoration: none;
            transition: all 0.2s ease;
        }

        .tag-cloud .tag-link:hover {
            background: #EAF2FF;
            color: var(--primary);
            border-color: var(--primary);
        }

        .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }

        .hot-list-item:last-child {
            border-bottom: none;
        }

        .hot-rank {
            width: 24px;
            height: 24px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .hot-rank.top1 {
            background: #FFF0ED;
            color: var(--accent);
        }

        .hot-rank.top2 {
            background: #FFF8E5;
            color: #D48806;
        }

        .hot-rank.top3 {
            background: #F1F5F9;
            color: #64748B;
        }

        .hot-rank.normal {
            background: #F8FAFE;
            color: var(--text-muted);
        }

        .hot-list-info {
            min-width: 0;
        }

        .hot-list-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-title);
            line-height: 1.4;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-list-source {
            font-size: 12px;
            color: var(--text-muted);
        }

        .sidebar-subscribe {
            background: linear-gradient(135deg, #EAF2FF 0%, #F8FAFE 100%);
            border: 1px solid #D6E4FF;
            border-radius: var(--radius);
            padding: 24px;
            text-align: center;
        }

        .sidebar-subscribe h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .sidebar-subscribe p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .sidebar-subscribe .btn {
            width: 100%;
            justify-content: center;
        }

        /* FAQ */
        .faq-section {
            padding: 32px 0 48px;
            background: var(--bg);
        }

        .faq-section .section-title {
            text-align: center;
            margin-bottom: 8px;
        }

        .faq-section .section-desc {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
            margin-bottom: 28px;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .faq-item:hover {
            border-color: #dbe5f0;
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-title);
            gap: 12px;
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question i {
            color: var(--primary);
            font-size: 14px;
            transition: transform 0.25s ease;
            flex-shrink: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        /* CTA Section */
        .cta-section {
            padding: 40px 0 56px;
            background: var(--bg);
        }

        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius);
            padding: 40px 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: 20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-content h2 {
            font-size: clamp(1.4rem, 2.5vw, 2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .cta-form-wrapper {
            position: relative;
            z-index: 2;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 10px;
            padding: 24px;
        }

        .cta-form-wrapper .form-label {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .cta-form-wrapper .form-control,
        .cta-form-wrapper .form-select {
            background: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            font-size: 14px;
            padding: 10px 14px;
            color: var(--text-body);
        }

        .cta-form-wrapper .form-control:focus,
        .cta-form-wrapper .form-select:focus {
            border-color: #fff;
            outline: 2px solid rgba(255, 255, 255, 0.5);
            outline-offset: 2px;
            box-shadow: none;
        }

        .cta-form-wrapper .btn-submit-cta {
            background: #fff;
            color: var(--primary);
            border: none;
            border-radius: 8px;
            padding: 10px 20px;
            font-weight: 700;
            font-size: 15px;
            width: 100%;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .cta-form-wrapper .btn-submit-cta:hover {
            background: #EAF2FF;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
        }

        .privacy-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 10px;
            text-align: center;
        }

        /* Footer */
        .site-footer {
            background: #0E1B2C;
            color: #B8C5D4;
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .brand-name {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #B8C5D4;
            margin-bottom: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

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

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

        .footer-col ul li a {
            color: #B8C5D4;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s ease;
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 20px 0;
            font-size: 13px;
            color: #7A8CA0;
        }

        .footer-bottom-bar a {
            color: #B8C5D4;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .footer-bottom-bar a:hover {
            color: #fff;
        }

        .footer-sep {
            margin: 0 8px;
            color: #4A5A6E;
        }

        /* Responsive */
        @media (max-width: 1199px) {
            .hero-esports-inner {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 28px;
            }

            .hero-esports-visual {
                min-height: 240px;
            }

            .main-grid {
                grid-template-columns: 1fr 300px;
                gap: 24px;
            }

            .article-card {
                grid-template-columns: 200px 1fr;
                gap: 16px;
            }
        }

        @media (max-width: 991px) {
            .header-row-1 {
                gap: 12px;
            }

            .header-search-area {
                max-width: 240px;
            }

            .main-grid {
                grid-template-columns: 1fr;
            }

            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .cta-banner {
                grid-template-columns: 1fr;
                padding: 32px;
            }

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

        @media (max-width: 767px) {
            :root {
                --section-gap: 44px;
                --nav-height: 48px;
                --nav-tabs-height: 40px;
                --nav-total: 88px;
            }

            .header-row-1 {
                flex-wrap: wrap;
                height: auto;
                padding: 10px 0;
                gap: 10px;
            }

            .brand-area {
                flex: 1;
            }

            .header-search-area {
                order: 3;
                max-width: 100%;
                flex-basis: 100%;
                height: 36px;
            }

            .header-actions {
                gap: 6px;
            }

            .btn-login,
            .btn-subscribe {
                padding: 6px 12px;
                font-size: 12px;
            }

            .btn-subscribe {
                display: none;
            }

            .header-row-2 {
                height: var(--nav-tabs-height);
            }

            .nav-pills-custom .nav-link {
                padding: 0 12px;
                font-size: 13px;
            }

            .hero-esports {
                padding: 20px 0 32px;
            }

            .hero-esports-inner {
                grid-template-columns: 1fr;
                padding: 20px;
                gap: 16px;
            }

            .hero-esports-content h1 {
                font-size: 1.5rem;
            }

            .hero-esports-visual {
                min-height: 180px;
            }

            .teamup-module {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 14px;
            }

            .teamup-buttons {
                width: 100%;
            }

            .teamup-buttons .btn {
                flex: 1;
                justify-content: center;
            }

            .channel-intro-card {
                grid-template-columns: 1fr;
                padding: 20px;
                gap: 16px;
            }

            .channel-intro-stats {
                flex-wrap: wrap;
                gap: 16px;
            }

            .article-card {
                grid-template-columns: 1fr;
                gap: 14px;
                padding: 16px;
            }

            .article-card-thumb {
                aspect-ratio: 16/9;
            }

            .sidebar {
                grid-template-columns: 1fr;
            }

            .cta-banner {
                padding: 24px 20px;
                gap: 20px;
            }

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

            .footer-bottom-bar {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .pagination-custom {
                justify-content: center;
            }
        }

        @media (max-width: 575px) {
            :root {
                --section-gap: 36px;
                --nav-height: 44px;
                --nav-tabs-height: 38px;
                --nav-total: 82px;
            }

            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-esports-inner {
                padding: 16px;
            }

            .hero-esports-content h1 {
                font-size: 1.3rem;
            }

            .hero-buttons {
                flex-direction: column;
            }

            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }

            .hero-visual-info .match-title {
                font-size: 15px;
            }

            .channel-intro-stats {
                justify-content: space-around;
                width: 100%;
            }

            .intro-stat .number {
                font-size: 1.2rem;
            }

            .article-card-title {
                font-size: 1rem;
            }

            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }

            .cta-content h2 {
                font-size: 1.2rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #146EF5;
            --primary-dark: #0A4FD6;
            --primary-deep: #0A58CA;
            --accent: #F53F3F;
            --accent-2: #FF4D2E;
            --data-green: #17B890;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --text-title: #0F1B2D;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E6EDF5;
            --border-light: #E8EEF7;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 8px 24px rgba(15, 45, 75, 0.06);
            --shadow-md: 0 12px 32px rgba(15, 45, 75, 0.10);
            --shadow-lg: 0 16px 40px rgba(15, 45, 75, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --nav-height: 56px;
            --nav-tabs-height: 44px;
            --nav-total: 100px;
            --section-gap: 64px;
            --section-gap-m: 48px;
            --container-width: 1280px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--primary-dark);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .container-custom {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-block {
            padding: var(--section-gap) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.5rem, 2.8vw, 2.2rem);
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 720px;
            margin-bottom: 32px;
        }

        .card-base {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
        }

        .card-base:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #dbe5f0;
        }

        .btn {
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-weight: 600;
            font-size: 15px;
            transition: all 0.2s ease;
            border: none;
            cursor: pointer;
        }

        .btn:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-primary-custom {
            background-color: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
        }

        .btn-primary-custom:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(20, 110, 245, 0.28);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline-custom {
            background-color: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-outline-custom:hover {
            background-color: #EAF2FF;
            color: var(--primary-dark);
            border-color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-accent-custom {
            background-color: var(--accent);
            color: #fff;
            border: 1px solid var(--accent);
        }

        .btn-accent-custom:hover {
            background-color: var(--accent-2);
            border-color: var(--accent-2);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(245, 63, 63, 0.25);
        }

        .btn-sm-custom {
            padding: 7px 14px;
            font-size: 13px;
            border-radius: 6px;
        }

        .badge-custom {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.03em;
            line-height: 1.6;
        }

        .badge-primary {
            background-color: #EAF2FF;
            color: var(--primary);
        }

        .badge-accent {
            background-color: #FFF0ED;
            color: var(--accent);
        }

        .badge-green {
            background-color: #E6F9F4;
            color: var(--data-green);
        }

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

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

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

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 45, 75, 0.05);
        }

        .header-row-1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 16px;
            flex-wrap: nowrap;
        }

        .brand-area {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-title);
            text-decoration: none;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

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

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .header-search-area {
            display: flex;
            align-items: center;
            flex: 1;
            max-width: 420px;
            gap: 0;
            background: #F1F5F9;
            border-radius: 6px;
            padding: 0 8px 0 12px;
            border: 1px solid transparent;
            transition: border-color 0.2s ease, background 0.2s ease;
            min-width: 0;
        }

        .header-search-area:focus-within {
            border-color: var(--primary);
            background: #fff;
        }

        .header-search {
            flex: 1;
            border: none;
            background: transparent;
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-body);
            min-width: 0;
        }

        .header-search:focus {
            outline: none;
        }

        .header-search::placeholder {
            color: var(--text-muted);
            font-size: 13px;
        }

        .header-search-btn {
            background: none;
            border: none;
            color: var(--text-muted);
            padding: 6px 10px;
            cursor: pointer;
            font-size: 14px;
            transition: color 0.2s;
            flex-shrink: 0;
        }

        .header-search-btn:hover {
            color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            color: var(--text-body);
            border: 1px solid var(--border);
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all 0.2s;
            white-space: nowrap;
        }

        .btn-login:hover {
            background: #F1F5F9;
            color: var(--text-title);
            border-color: #cbd5e1;
        }

        .btn-subscribe {
            padding: 8px 18px;
            font-size: 14px;
            white-space: nowrap;
        }

        .header-row-2 {
            height: var(--nav-tabs-height);
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .nav-pills-custom {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            width: 100%;
            height: 100%;
        }

        .nav-pills-custom::-webkit-scrollbar {
            display: none;
        }

        .nav-pills-custom .nav-item {
            flex-shrink: 0;
            white-space: nowrap;
        }

        .nav-pills-custom .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            background: #F1F5F9;
            border-radius: 20px;
            transition: all 0.2s ease;
            position: relative;
            text-decoration: none;
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .nav-pills-custom .nav-link:hover {
            background: #E2E8F0;
            color: var(--text-title);
        }

        .nav-pills-custom .nav-link.active {
            background: var(--primary);
            color: #fff;
        }

        .nav-pills-custom .nav-link.active .nav-indicator {
            display: inline-block;
            width: 6px;
            height: 6px;
            background: #fff;
            border-radius: 50%;
            margin-left: 2px;
        }

        .nav-pills-custom .nav-link .nav-indicator {
            display: none;
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-custom {
            background: transparent;
            padding: 20px 0 0;
            margin: 0;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .breadcrumb-custom a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.2s;
        }

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

        .breadcrumb-sep {
            color: #cbd5e1;
            margin: 0 4px;
        }

        .breadcrumb-current {
            color: var(--text-title);
            font-weight: 600;
        }

        /* ========== Hero ========== */
        .channel-hero {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            box-shadow: var(--shadow-md);
            margin-top: 20px;
        }

        .channel-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(15, 27, 45, 0.82) 20%, rgba(15, 27, 45, 0.45) 55%, rgba(15, 27, 45, 0.25) 100%);
            z-index: 1;
        }

        .channel-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 48px 40px;
            color: #fff;
            max-width: 640px;
        }

        .channel-hero .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 5px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 18px;
        }

        .channel-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .channel-hero .hero-subtitle {
            font-size: 16px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 24px;
            max-width: 520px;
        }

        .channel-hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .channel-hero .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .channel-hero .hero-stat .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .channel-hero .hero-stat .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
        }

        /* ========== Channel Intro ========== */
        .channel-intro {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 28px 32px;
            margin-top: 24px;
        }

        .channel-intro p {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.85;
            margin-bottom: 0;
        }

        /* ========== Main Layout ========== */
        .channel-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 28px;
            margin-top: 28px;
            align-items: start;
        }

        .channel-main {
            min-width: 0;
        }

        .channel-sidebar {
            position: sticky;
            top: calc(var(--nav-total) + 20px);
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        /* ========== Article Cards ========== */
        .article-card {
            display: flex;
            flex-direction: column;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
            margin-bottom: 20px;
        }

        .article-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #dbe5f0;
        }

        .article-card .article-thumb {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #f0f4f9;
        }

        .article-card .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .article-card:hover .article-thumb img {
            transform: scale(1.03);
        }

        .article-card .article-body {
            padding: 20px 24px 24px;
        }

        .article-card .article-date {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-card .article-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.4;
            margin-bottom: 10px;
            letter-spacing: -0.005em;
        }

        .article-card .article-summary {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .article-card .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s, gap 0.2s;
        }

        .article-card .read-more-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        .article-meta-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 10px;
        }

        /* ========== Load More ========== */
        .load-more-wrap {
            text-align: center;
            padding: 12px 0;
        }

        .btn-load-more {
            background: #fff;
            color: var(--text-body);
            border: 1px solid var(--border);
            padding: 12px 32px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all 0.2s;
            cursor: pointer;
        }

        .btn-load-more:hover {
            background: #F1F5F9;
            border-color: #cbd5e1;
            color: var(--text-title);
        }

        /* ========== Sidebar ========== */
        .sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 22px 24px;
        }

        .sidebar-card .sidebar-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card .sidebar-title i {
            color: var(--primary);
            font-size: 14px;
        }

        .popular-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .popular-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            line-height: 1.6;
            color: var(--text-body);
        }

        .popular-list .rank-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: #F1F5F9;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 700;
            color: var(--text-muted);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .popular-list li:nth-child(1) .rank-num {
            background: #FFF0ED;
            color: var(--accent);
        }

        .popular-list li:nth-child(2) .rank-num {
            background: #FFF8E6;
            color: #B8860B;
        }

        .popular-list li:nth-child(3) .rank-num {
            background: #EAF2FF;
            color: var(--primary);
        }

        .popular-list a {
            color: var(--text-body);
            text-decoration: none;
            transition: color 0.2s;
        }

        .popular-list a:hover {
            color: var(--primary);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag-item {
            display: inline-block;
            padding: 6px 14px;
            background: #F1F5F9;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-body);
            text-decoration: none;
            transition: all 0.2s;
            white-space: nowrap;
        }

        .tag-cloud .tag-item:hover {
            background: var(--primary);
            color: #fff;
        }

        .sidebar-subscribe-input {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
        }

        .sidebar-subscribe-input input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-body);
            background: #fff;
            transition: border-color 0.2s;
            min-width: 0;
        }

        .sidebar-subscribe-input input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(20, 110, 245, 0.1);
        }

        .privacy-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 8px;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-section {
            margin-top: 28px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow 0.25s ease;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            transition: background 0.2s;
            gap: 12px;
        }

        .faq-question:hover {
            background: #F9FBFE;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #EAF2FF;
            color: var(--primary);
            border-radius: 50%;
            font-size: 12px;
            transition: transform 0.3s;
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            margin-top: 28px;
            background: var(--primary);
            border-radius: var(--radius);
            padding: 36px 40px;
            color: #fff;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .cta-section .cta-text h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .cta-section .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .cta-section .cta-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        .btn-cta-white {
            background: #fff;
            color: var(--primary);
            border: 1px solid #fff;
            padding: 11px 24px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all 0.2s;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-cta-white:hover {
            background: #EAF2FF;
            border-color: #EAF2FF;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 255, 255, 0.2);
        }

        .btn-cta-outline {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.6);
            padding: 11px 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all 0.2s;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-1px);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0E1B2C;
            color: rgba(255, 255, 255, 0.78);
            margin-top: 60px;
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-col ul a:hover {
            color: #fff;
        }

        .footer-bottom-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 20px 0 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom-bar a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-bottom-bar a:hover {
            color: #fff;
        }

        .footer-sep {
            margin: 0 8px;
            opacity: 0.4;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1199.98px) {
            .channel-layout {
                grid-template-columns: 1fr 300px;
                gap: 20px;
            }

            .channel-sidebar {
                top: calc(var(--nav-total) + 16px);
            }
        }

        @media (max-width: 991.98px) {
            .channel-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .channel-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .channel-sidebar .sidebar-card:last-child {
                grid-column: 1 / -1;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .channel-hero .hero-content {
                padding: 36px 28px;
            }

            .channel-hero {
                min-height: 280px;
            }

            .header-row-1 {
                flex-wrap: wrap;
                height: auto;
                min-height: var(--nav-height);
                padding: 8px 0;
            }

            .header-search-area {
                order: 3;
                flex-basis: 100%;
                max-width: 100%;
                margin-top: 6px;
            }

            .header-actions {
                gap: 6px;
            }

            .btn-login {
                padding: 6px 12px;
                font-size: 13px;
            }

            .btn-subscribe {
                padding: 6px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-gap: 44px;
                --nav-height: 48px;
                --nav-tabs-height: 40px;
                --nav-total: 88px;
            }

            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .channel-hero {
                min-height: 260px;
                border-radius: 12px;
            }

            .channel-hero .hero-content {
                padding: 28px 20px;
            }

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

            .channel-hero .hero-subtitle {
                font-size: 14px;
            }

            .channel-hero .hero-stat .stat-num {
                font-size: 1.3rem;
            }

            .channel-intro {
                padding: 20px 18px;
            }

            .channel-intro p {
                font-size: 15px;
            }

            .article-card .article-body {
                padding: 16px 18px 20px;
            }

            .article-card .article-title {
                font-size: 1.1rem;
            }

            .article-card .article-summary {
                font-size: 14px;
            }

            .channel-sidebar {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .channel-sidebar .sidebar-card:last-child {
                grid-column: 1;
            }

            .cta-section {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
                border-radius: 12px;
            }

            .cta-section .cta-actions {
                width: 100%;
            }

            .cta-section .cta-actions .btn {
                flex: 1;
                text-align: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding-bottom: 28px;
            }

            .footer-bottom-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 16px 0 20px;
            }

            .footer-brand .brand-name {
                font-size: 1.15rem;
            }

            .breadcrumb-custom {
                padding: 14px 0 0;
                font-size: 13px;
            }
        }

        @media (max-width: 575.98px) {
            :root {
                --section-gap: 36px;
                --nav-height: 44px;
                --nav-tabs-height: 38px;
                --nav-total: 82px;
            }

            .header-row-1 {
                gap: 8px;
            }

            .brand-logo {
                font-size: 1.1rem;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.95rem;
                border-radius: 8px;
            }

            .btn-login {
                display: none;
            }

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

            .header-search-area {
                padding: 0 6px 0 10px;
            }

            .header-search {
                padding: 6px 0;
                font-size: 13px;
            }

            .nav-pills-custom .nav-link {
                padding: 5px 11px;
                font-size: 13px;
                border-radius: 16px;
            }

            .channel-hero {
                min-height: 240px;
                background-position: center 35%;
            }

            .channel-hero .hero-content {
                padding: 22px 16px;
            }

            .channel-hero h1 {
                font-size: 1.4rem;
                margin-bottom: 8px;
            }

            .channel-hero .hero-badge {
                font-size: 11px;
                padding: 4px 12px;
                margin-bottom: 12px;
            }

            .channel-hero .hero-subtitle {
                font-size: 13px;
                margin-bottom: 16px;
                line-height: 1.6;
            }

            .channel-hero .hero-stats {
                gap: 14px;
            }

            .channel-hero .hero-stat .stat-num {
                font-size: 1.15rem;
            }

            .channel-hero .hero-stat .stat-label {
                font-size: 11px;
            }

            .article-card .article-thumb {
                aspect-ratio: 16/9;
            }

            .article-card .article-title {
                font-size: 1rem;
                line-height: 1.45;
            }

            .article-card .article-summary {
                font-size: 13px;
                line-height: 1.7;
            }

            .article-card .article-date {
                font-size: 12px;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 15px;
            }

            .faq-answer p {
                font-size: 14px;
            }

            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }

            .sidebar-card {
                padding: 18px 16px;
            }

            .sidebar-card .sidebar-title {
                font-size: 15px;
            }

            .tag-cloud .tag-item {
                padding: 5px 12px;
                font-size: 12px;
            }

            .popular-list li {
                font-size: 13px;
            }

            .cta-section .cta-text h3 {
                font-size: 1.2rem;
            }

            .cta-section .cta-text p {
                font-size: 14px;
            }

            .site-footer {
                margin-top: 40px;
                padding: 36px 0 0;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #146EF5;
            --primary-dark: #0A4FD6;
            --primary-deep: #0A58CA;
            --accent: #F53F3F;
            --accent-2: #FF4D2E;
            --data-green: #17B890;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --text-title: #0F1B2D;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E6EDF5;
            --border-light: #E8EEF7;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 8px 24px rgba(15, 45, 75, 0.06);
            --shadow-md: 0 12px 32px rgba(15, 45, 75, 0.10);
            --shadow-lg: 0 16px 40px rgba(15, 45, 75, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --nav-height: 56px;
            --nav-tabs-height: 44px;
            --nav-total: 100px;
            --section-gap: 64px;
            --section-gap-m: 48px;
            --container-width: 1280px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--primary-dark);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-title);
            font-weight: 700;
            line-height: 1.35;
            margin-top: 0;
        }

        p {
            margin-top: 0;
            margin-bottom: 16px;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .container-custom {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 10px rgba(15, 45, 75, 0.04);
        }

        .header-row-1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 16px;
        }

        .brand-area {
            flex-shrink: 0;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text-title);
        }

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

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .header-search-area {
            display: flex;
            align-items: center;
            flex: 1;
            max-width: 360px;
            min-width: 180px;
            background: #F1F5F9;
            border-radius: 6px;
            padding: 0 12px;
            height: 36px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .header-search-area:focus-within {
            border: 1px solid var(--primary);
            box-shadow: 0 0 0 3px rgba(20, 110, 245, 0.12);
            background: #fff;
        }

        .header-search {
            flex: 1;
            border: none;
            background: transparent;
            color: var(--text-body);
            font-size: 14px;
            padding: 0 8px;
            outline: none;
            min-width: 0;
        }

        .header-search::placeholder {
            color: var(--text-muted);
        }

        .header-search-btn {
            background: transparent;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            padding: 4px 6px;
            font-size: 14px;
            transition: color 0.2s ease;
        }

        .header-search-btn:hover {
            color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            color: var(--text-body);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 7px 16px;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .btn-login:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: #fff;
        }

        .header-row-2 {
            height: var(--nav-tabs-height);
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: #D1D9E6 transparent;
        }

        .header-row-2::-webkit-scrollbar {
            height: 3px;
        }

        .header-row-2::-webkit-scrollbar-thumb {
            background: #D1D9E6;
            border-radius: 3px;
        }

        .header-row-2::-webkit-scrollbar-track {
            background: transparent;
        }

        .nav-pills-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0;
            margin: 0;
            list-style: none;
            white-space: nowrap;
            height: 100%;
        }

        .nav-pills-custom .nav-item {
            flex-shrink: 0;
            height: 100%;
            display: flex;
            align-items: center;
        }

        .nav-pills-custom .nav-link {
            display: flex;
            align-items: center;
            gap: 3px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            background: transparent;
            border: none;
            cursor: pointer;
            transition: all 0.2s ease;
            position: relative;
            height: 32px;
            line-height: 1;
        }

        .nav-pills-custom .nav-link:hover {
            background: #F1F5F9;
            color: var(--primary);
        }

        .nav-pills-custom .nav-link.active {
            background: rgba(20, 110, 245, 0.1);
            color: var(--primary);
            font-weight: 700;
        }

        .nav-pills-custom .nav-link .nav-indicator {
            display: none;
            position: absolute;
            bottom: -6px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-pills-custom .nav-link.active .nav-indicator {
            display: block;
        }

        /* Page Hero */
        .page-hero {
            position: relative;
            background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
            padding: 80px 0 72px;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.75) 55%, rgba(255, 255, 255, 0.95) 100%);
            pointer-events: none;
        }

        .breadcrumb-custom {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: var(--primary);
            font-weight: 600;
        }

        .breadcrumb-custom a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        .breadcrumb-custom .separator {
            color: #B0BEC5;
            font-size: 12px;
        }

        .breadcrumb-custom .current {
            color: var(--text-title);
            font-weight: 700;
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }

        .page-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3rem);
            font-weight: 800;
            color: var(--text-title);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
            line-height: 1.25;
        }

        .page-hero .hero-tag {
            display: inline-block;
            background: rgba(20, 110, 245, 0.1);
            color: var(--primary);
            border: 1px solid rgba(20, 110, 245, 0.3);
            border-radius: 20px;
            padding: 5px 16px;
            font-size: 13px;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: 0.05em;
        }

        /* Content Grid */
        .section-block {
            padding: var(--section-gap) 0;
        }

        .main-grid {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
            align-items: start;
        }

        /* Article Cards */
        .article-card {
            display: flex;
            gap: 20px;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            padding: 20px;
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
            margin-bottom: 20px;
        }

        .article-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #dbe5f0;
        }

        .article-card .article-img {
            flex-shrink: 0;
            width: 220px;
            height: 160px;
            border-radius: 10px;
            overflow: hidden;
        }

        .article-card .article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .article-card:hover .article-img img {
            transform: scale(1.04);
        }

        .article-card .article-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .article-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }

        .article-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
            line-height: 1.45;
            transition: color 0.2s ease;
        }

        .article-card:hover .article-title {
            color: var(--primary);
        }

        .article-excerpt {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            background: transparent;
            border: none;
            padding: 0;
            cursor: pointer;
            transition: all 0.2s ease;
            align-self: flex-start;
        }

        .btn-read-more i {
            font-size: 12px;
            transition: transform 0.2s ease;
        }

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

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

        /* Sidebar */
        .sidebar-widget {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            margin-bottom: 20px;
        }

        .sidebar-widget .widget-title {
            font-size: 16px;
            font-weight: 800;
            color: var(--text-title);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag-item {
            display: inline-block;
            padding: 6px 14px;
            background: #F1F5F9;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-body);
            transition: all 0.2s ease;
            cursor: pointer;
        }

        .tag-cloud .tag-item:hover {
            background: rgba(20, 110, 245, 0.1);
            color: var(--primary);
        }

        .hot-list .hot-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            transition: padding-left 0.2s ease;
        }

        .hot-list .hot-item:last-child {
            border-bottom: none;
        }

        .hot-list .hot-item:hover {
            padding-left: 6px;
        }

        .hot-rank {
            font-size: 18px;
            font-weight: 800;
            color: var(--primary);
            flex-shrink: 0;
            width: 28px;
            text-align: center;
            line-height: 1.4;
        }

        .hot-item:nth-child(1) .hot-rank {
            color: var(--accent);
        }

        .hot-item:nth-child(2) .hot-rank {
            color: var(--accent-2);
        }

        .hot-item:nth-child(3) .hot-rank {
            color: var(--data-green);
        }

        .hot-list .hot-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            line-height: 1.5;
        }

        .hot-list .hot-title:hover {
            color: var(--primary);
        }

        .sidebar-subscribe {
            background: rgba(20, 110, 245, 0.05);
            border: 1px solid rgba(20, 110, 245, 0.2);
            border-radius: 10px;
            padding: 16px;
            margin-top: 16px;
        }

        .sidebar-subscribe p {
            font-size: 14px;
            color: var(--text-body);
            margin-bottom: 12px;
        }

        .form-group {
            margin-bottom: 12px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 5px;
        }

        .form-control {
            width: 100%;
            padding: 9px 12px;
            border: 1px solid var(--border);
            border-radius: 6px;
            font-size: 14px;
            color: var(--text-body);
            background: #fff;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(20, 110, 245, 0.12);
            outline: none;
        }

        /* FAQ */
        .faq-section {
            padding: 48px 0 64px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.25s ease;
        }

        .faq-item:hover {
            border-color: #dbe5f0;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            color: var(--text-title);
            transition: color 0.2s ease;
            user-select: none;
            gap: 12px;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: #F1F5F9;
            color: var(--text-muted);
            font-size: 12px;
            transition: all 0.25s ease;
        }

        .faq-item.active .faq-question .faq-toggle {
            background: var(--primary);
            color: #fff;
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            color: var(--text-body);
            font-size: 15px;
            line-height: 1.75;
            border-top: none;
        }

        .faq-item.active .faq-answer {
            padding: 16px 20px;
            max-height: 300px;
            border-top: 1px solid var(--border-light);
        }

        /* Pagination */
        .pagination-custom {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .pagination-custom .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 12px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text-body);
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .pagination-custom .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: #F8FAFD;
        }

        .pagination-custom .page-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .pagination-custom .page-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* CTA Section */
        .cta-section {
            padding: 64px 0;
            background: rgba(20, 110, 245, 0.04);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .cta-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            padding: 36px 32px;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-card h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-title);
        }

        .cta-card p {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
            max-width: 500px;
            margin: 0 auto;
        }

        .cta-form .form-control {
            flex: 1;
            min-width: 180px;
            border-radius: 6px;
        }

        .privacy-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 12px;
            text-align: center;
        }

        /* Footer */
        .site-footer {
            background: #0E1B2C;
            color: #B8C4D4;
            padding: 52px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #9AA8BC;
            max-width: 320px;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

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

        .footer-col ul li a {
            font-size: 14px;
            color: #9AA8BC;
            transition: color 0.2s ease;
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: #7A8CA0;
        }

        .footer-bottom-bar a {
            color: #9AA8BC;
            transition: color 0.2s ease;
        }

        .footer-bottom-bar a:hover {
            color: #fff;
        }

        .footer-sep {
            margin: 0 8px;
            color: #4B5A6E;
        }

        /* Buttons */
        .btn {
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-weight: 600;
            font-size: 15px;
            transition: all 0.2s ease;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-primary-custom {
            background-color: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
        }

        .btn-primary-custom:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(20, 110, 245, 0.28);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline-custom {
            background-color: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-outline-custom:hover {
            background-color: #EAF2FF;
            color: var(--primary-dark);
            border-color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-sm-custom {
            padding: 7px 14px;
            font-size: 13px;
            border-radius: 6px;
        }

        .badge-custom {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.03em;
            line-height: 1.4;
        }

        .badge-blue {
            background: rgba(20, 110, 245, 0.1);
            color: var(--primary);
        }

        .badge-red {
            background: rgba(245, 63, 63, 0.1);
            color: var(--accent);
        }

        .badge-green {
            background: rgba(23, 184, 144, 0.1);
            color: var(--data-green);
        }

        /* Responsive */
        @media (max-width: 1199.98px) {
            :root {
                --section-gap: 52px;
                --section-gap-m: 40px;
            }

            .main-grid {
                grid-template-columns: 1fr 300px;
                gap: 24px;
            }

            .article-card .article-img {
                width: 180px;
                height: 140px;
            }
        }

        @media (max-width: 991.98px) {
            :root {
                --section-gap: 44px;
                --section-gap-m: 36px;
                --nav-height: 48px;
                --nav-tabs-height: 40px;
                --nav-total: 88px;
            }

            .main-grid {
                grid-template-columns: 1fr;
            }

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

            .header-row-1 {
                height: 48px;
                gap: 10px;
            }

            .header-row-2 {
                height: 40px;
            }

            .header-search-area {
                max-width: 220px;
                min-width: 120px;
            }

            .header-actions .btn-subscribe {
                padding: 6px 12px;
                font-size: 13px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-gap: 36px;
                --section-gap-m: 28px;
                --nav-height: 44px;
                --nav-tabs-height: 38px;
                --nav-total: 82px;
                --radius: 12px;
            }

            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .page-hero {
                padding: 48px 0 40px;
                min-height: 240px;
            }

            .page-hero h1 {
                font-size: 1.75rem;
            }

            .article-card {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }

            .article-card .article-img {
                width: 100%;
                height: 160px;
            }

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

            .footer-bottom-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .header-actions .btn-login {
                padding: 5px 10px;
                font-size: 12px;
            }

            .header-actions .btn-subscribe {
                display: none;
            }

            .brand-logo {
                font-size: 17px;
                gap: 6px;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 8px;
            }

            .header-search-area {
                max-width: none;
                min-width: 0;
                flex: 1;
                height: 30px;
                padding: 0 8px;
            }

            .header-search {
                font-size: 12px;
            }

            .cta-card {
                padding: 24px 18px;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form .form-control {
                width: 100%;
                min-width: 0;
            }
        }

        @media (max-width: 519.98px) {
            :root {
                --section-gap: 28px;
                --section-gap-m: 20px;
                --nav-height: 40px;
                --nav-tabs-height: 36px;
                --nav-total: 76px;
            }

            .page-hero {
                padding: 36px 0 32px;
                min-height: 200px;
            }

            .page-hero h1 {
                font-size: 1.4rem;
            }

            .breadcrumb-custom {
                font-size: 12px;
                gap: 4px;
            }

            .nav-pills-custom .nav-link {
                padding: 4px 10px;
                font-size: 12px;
                height: 26px;
            }

            .sidebar-widget {
                padding: 16px;
            }

            .article-card .article-img {
                height: 140px;
            }
        }