/* roulang page: index */
:root {
            --primary: #111827;
            --primary-dark: #0F1115;
            --accent: #C8FF00;
            --accent-hover: #D6FF3D;
            --accent-soft: rgba(200, 255, 0, 0.12);
            --orange: #FF4D2E;
            --orange-soft: rgba(255, 77, 46, 0.1);
            --bg: #F5F7FA;
            --surface: #FFFFFF;
            --dark: #0F1115;
            --text: #1F2937;
            --text-secondary: #6B7280;
            --text-muted: #9BA3AF;
            --border: #E5E7EB;
            --border-light: #F0F2F5;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(17, 24, 39, 0.08);
            --shadow-lg: 0 12px 30px rgba(17, 24, 39, 0.12);
            --shadow-accent: 0 0 0 2px var(--accent);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --section-pad: 88px;
            --card-pad: 22px;
        }

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

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

        body {
            font-family: var(--font-stack);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            font-size: 15px;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--text);
        }

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: var(--section-pad) 0;
        }
        .section-sm {
            padding: 52px 0;
        }
        .section-dark {
            background: var(--dark);
            color: #F9FAFB;
        }
        .section-light {
            background: var(--surface);
        }
        .section-gray {
            background: var(--bg);
        }

        .badge-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-soft);
            color: #5B7A00;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .badge-chip--orange {
            background: var(--orange-soft);
            color: var(--orange);
        }
        .badge-chip--dark {
            background: rgba(255, 255, 255, 0.08);
            color: var(--accent);
        }

        .section-label {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--text-muted);
            text-transform: uppercase;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .section-label::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--accent);
            flex-shrink: 0;
        }

        .section-title {
            font-size: clamp(24px, 3.2vw, 36px);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-title--light {
            color: #F9FAFB;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .section-desc--light {
            color: #B0B7C3;
        }

        .text-accent {
            color: var(--accent);
        }
        .text-orange {
            color: var(--orange);
        }
        .fw-700 {
            font-weight: 700;
        }
        .fw-800 {
            font-weight: 800;
        }

        /* ========== Header/Nav ========== */
        .site-header {
            background: var(--primary);
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            min-height: 72px;
            display: flex;
            align-items: center;
        }
        .navbar {
            padding: 10px 0;
            flex-wrap: nowrap;
            width: 100%;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar-brand:hover {
            color: var(--accent);
        }
        .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .nav-link {
            color: #B0B7C3;
            font-weight: 500;
            font-size: 14px;
            padding: 8px 14px !important;
            border-radius: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover,
        .nav-link:focus {
            color: var(--accent);
            background: rgba(200, 255, 0, 0.06);
        }
        .nav-link.active {
            color: var(--accent);
            font-weight: 700;
            background: rgba(200, 255, 0, 0.1);
        }
        .navbar-nav {
            gap: 2px;
            align-items: center;
        }
        .navbar .btn-cta {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: 10px;
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .navbar .btn-cta:hover,
        .navbar .btn-cta:focus {
            background: var(--accent-hover);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 255, 0, 0.3);
        }
        .navbar .btn-cta:active {
            transform: translateY(0);
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            padding: 6px 10px;
            border-radius: 8px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--accent);
            outline: none;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .navbar-collapse {
            justify-content: flex-end;
        }

        /* ========== Hero ========== */
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, #1A1E24 55%, #0F1115 100%);
            color: #fff;
            padding: 72px 0 88px;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 60%;
            height: 120%;
            background: radial-gradient(ellipse at center, rgba(200, 255, 0, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent) 0%, transparent 40%, transparent 60%, var(--orange) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero h1 {
            font-size: clamp(36px, 5vw, 54px);
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 22px;
        }
        .hero h1 .accent-text {
            color: var(--accent);
            display: inline-block;
        }
        .hero-subtitle {
            font-size: 16px;
            color: #B0B7C3;
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 30px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .btn {
            font-weight: 700;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: 10px;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.3px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary-accent {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-primary-accent:hover,
        .btn-primary-accent:focus {
            background: var(--accent-hover);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 255, 0, 0.32);
        }
        .btn-primary-accent:active {
            transform: translateY(0);
        }
        .btn-outline-light {
            background: transparent;
            color: #F9FAFB;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
        }
        .btn-outline-light:hover,
        .btn-outline-light:focus {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(200, 255, 0, 0.05);
            transform: translateY(-2px);
        }
        .btn-outline-light:active {
            transform: translateY(0);
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.5px;
        }
        .hero-stat .stat-label {
            font-size: 13px;
            color: #9BA3AF;
        }
        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-visual .bento-main {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            background: #1A1E24;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 16/10;
        }
        .hero-visual .bento-main img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.7;
        }
        .hero-visual .bento-main .overlay-data {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(transparent, rgba(15, 17, 21, 0.9));
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 12px;
        }
        .hero-visual .bento-main .overlay-data .data-item {
            color: #fff;
        }
        .hero-visual .bento-main .overlay-data .data-item strong {
            color: var(--accent);
            font-size: 24px;
            font-weight: 800;
            display: block;
            font-variant-numeric: tabular-nums;
        }
        .hero-visual .bento-main .overlay-data .data-item span {
            font-size: 12px;
            color: #B0B7C3;
        }
        .hero-visual .bento-small-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .hero-visual .bento-small {
            background: #1A1E24;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            color: #F9FAFB;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .hero-visual .bento-small:hover {
            border-color: rgba(200, 255, 0, 0.4);
            box-shadow: var(--shadow-accent);
        }
        .hero-visual .bento-small .bs-icon {
            font-size: 22px;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .hero-visual .bento-small strong {
            display: block;
            font-size: 15px;
            margin-bottom: 4px;
        }
        .hero-visual .bento-small span {
            font-size: 12px;
            color: #9BA3AF;
        }

        /* ========== Cards & Grids ========== */
        .card {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            background: var(--surface);
            overflow: hidden;
            height: 100%;
        }
        .card:hover {
            box-shadow: var(--shadow-lg), var(--shadow-accent);
            transform: translateY(-4px);
        }
        .card-body {
            padding: var(--card-pad);
        }
        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .card-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .card-img-top {
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
        }
        .card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 6px;
            background: var(--accent-soft);
            color: #5B7A00;
            margin-bottom: 10px;
            letter-spacing: 0.4px;
        }
        .card-tag--orange {
            background: var(--orange-soft);
            color: var(--orange);
        }
        .card-tag--dark {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent);
        }

        .service-card {
            padding: 24px;
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .service-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg), var(--shadow-accent);
            transform: translateY(-4px);
        }
        .service-card:hover::after {
            opacity: 1;
        }
        .service-card .sc-icon {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 14px;
            display: inline-flex;
            width: 52px;
            height: 52px;
            background: var(--accent-soft);
            border-radius: 12px;
            align-items: center;
            justify-content: center;
        }
        .service-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .number-badge {
            font-size: 48px;
            font-weight: 800;
            color: transparent;
            -webkit-text-stroke: 1.5px var(--accent);
            letter-spacing: -2px;
            line-height: 1;
            flex-shrink: 0;
        }

        /* ========== Data strip ========== */
        .data-strip {
            background: var(--dark);
            padding: 56px 0;
            color: #F9FAFB;
        }
        .data-strip .ds-item {
            text-align: center;
            padding: 16px 8px;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
        }
        .data-strip .ds-item:last-child {
            border-right: none;
        }
        .data-strip .ds-num {
            font-size: clamp(30px, 4vw, 44px);
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            letter-spacing: -1px;
            line-height: 1.1;
            display: block;
        }
        .data-strip .ds-label {
            font-size: 13px;
            color: #9BA3AF;
            font-weight: 500;
        }

        /* ========== Timeline ========== */
        .timeline {
            position: relative;
            padding-left: 28px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--border);
        }
        .timeline-step {
            position: relative;
            padding-bottom: 28px;
            padding-left: 22px;
        }
        .timeline-step:last-child {
            padding-bottom: 0;
        }
        .timeline-step::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 0 4px rgba(200, 255, 0, 0.2);
        }
        .timeline-step h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .timeline-step p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .timeline-step .step-num {
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        /* ========== Case card ========== */
        .case-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }
        .case-card:hover {
            box-shadow: var(--shadow-lg), var(--shadow-accent);
            transform: translateY(-4px);
        }
        .case-card img {
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
        }
        .case-card .cc-body {
            padding: 20px;
        }
        .case-card .cc-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .case-card .cc-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .case-card .cc-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== News list ========== */
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 18px;
            transition: all var(--transition);
            margin-bottom: 14px;
        }
        .news-item:hover {
            box-shadow: var(--shadow-lg), var(--shadow-accent);
            transform: translateY(-2px);
        }
        .news-item img {
            width: 180px;
            height: 120px;
            object-fit: cover;
            border-radius: 10px;
            flex-shrink: 0;
        }
        .news-item .news-body {
            flex: 1;
        }
        .news-item .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-item .news-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-item .news-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .btn-sm-link {
            font-size: 13px;
            font-weight: 700;
            color: #5B7A00;
            background: var(--accent-soft);
            border: none;
            padding: 8px 16px;
            border-radius: 8px;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-sm-link:hover,
        .btn-sm-link:focus {
            background: var(--accent);
            color: var(--primary);
        }

        /* ========== Brand intro ========== */
        .brand-intro {
            background: linear-gradient(135deg, #1A1E24 0%, var(--primary) 100%);
            color: #F9FAFB;
            padding: 72px 0;
        }
        .brand-intro .bi-text {
            font-size: 15px;
            color: #B0B7C3;
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .brand-intro .bi-title {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 20px;
        }
        .brand-intro .bi-highlight {
            color: var(--accent);
            font-weight: 700;
        }

        /* ========== Partner row ========== */
        .partner-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
        }
        .partner-logo {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 28px;
            font-weight: 700;
            color: var(--text-muted);
            font-size: 15px;
            transition: all var(--transition);
            text-align: center;
            min-width: 120px;
        }
        .partner-logo:hover {
            border-color: var(--accent);
            color: var(--text);
            box-shadow: var(--shadow-accent);
        }

        /* ========== Accordion ========== */
        .accordion-item {
            border: 1px solid var(--border-light) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--surface) !important;
        }
        .accordion-button {
            font-weight: 700;
            font-size: 15px;
            color: var(--text);
            padding: 18px 22px;
            background: var(--surface);
            border: none;
            box-shadow: none !important;
            transition: all var(--transition);
        }
        .accordion-button:not(.collapsed) {
            color: #5B7A00;
            background: var(--accent-soft);
            box-shadow: none !important;
        }
        .accordion-button:focus {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            box-shadow: none;
        }
        .accordion-button::after {
            filter: invert(0.7);
        }
        .accordion-body {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 16px 22px 20px;
        }

        /* ========== Guarantee bar ========== */
        .guarantee-bar {
            background: var(--dark);
            padding: 48px 0;
        }
        .guarantee-item {
            text-align: center;
            color: #F9FAFB;
            padding: 16px 12px;
        }
        .guarantee-item .gi-icon {
            font-size: 26px;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .guarantee-item strong {
            display: block;
            font-size: 15px;
            margin-bottom: 6px;
        }
        .guarantee-item span {
            font-size: 13px;
            color: #9BA3AF;
        }

        /* ========== CTA Form ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #1A1E24 100%);
            color: #F9FAFB;
            padding: 72px 0;
        }
        .cta-section h2 {
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section .cta-desc {
            font-size: 15px;
            color: #B0B7C3;
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .cta-form .form-control {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #F9FAFB;
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 14px;
            transition: all var(--transition);
        }
        .cta-form .form-control::placeholder {
            color: #6B7280;
        }
        .cta-form .form-control:focus {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(200, 255, 0, 0.3);
            color: #fff;
            outline: none;
        }
        .cta-form .form-label {
            font-size: 13px;
            font-weight: 600;
            color: #B0B7C3;
        }
        .cta-form .btn-submit {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 13px 32px;
            border-radius: 10px;
            border: none;
            transition: all var(--transition);
            font-size: 15px;
        }
        .cta-form .btn-submit:hover,
        .cta-form .btn-submit:focus {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 255, 0, 0.3);
        }
        .cta-form .btn-submit:active {
            transform: translateY(0);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0A0C0F;
            color: #9BA3AF;
            padding: 56px 0 0;
            font-size: 14px;
        }
        .site-footer .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        .site-footer .footer-desc {
            color: #6B7280;
            font-size: 13px;
            line-height: 1.8;
            max-width: 320px;
        }
        .site-footer h5 {
            font-size: 14px;
            font-weight: 700;
            color: #F9FAFB;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: #6B7280;
            font-size: 13px;
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            margin-top: 40px;
            font-size: 12px;
            color: #4B5563;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-bottom a {
            color: #6B7280;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== Responsive ========== */
        @media (max-width: 991px) {
            .navbar-collapse {
                background: var(--primary);
                border-radius: 0 0 12px 12px;
                padding: 16px;
                border: 1px solid rgba(255, 255, 255, 0.08);
                border-top: none;
            }
            .navbar-nav {
                gap: 4px;
                margin-bottom: 12px;
            }
            .nav-link {
                padding: 10px 14px !important;
                font-size: 15px;
            }
            .navbar .btn-cta {
                width: 100%;
                justify-content: center;
                font-size: 16px;
                padding: 12px 20px;
            }
            .hero {
                padding: 48px 0 60px;
            }
            .hero-visual {
                margin-top: 32px;
            }
            .section {
                padding: 60px 0;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item img {
                width: 100%;
                height: 180px;
            }
            .data-strip .ds-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding: 12px 8px;
            }
            .data-strip .ds-item:last-child {
                border-bottom: none;
            }
            .hero-visual .bento-small-row {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 767px) {
            .hero h1 {
                font-size: 32px;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat .stat-num {
                font-size: 24px;
            }
            .section-title {
                font-size: 24px;
            }
            .cta-section {
                padding: 52px 0;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .site-footer {
                padding: 40px 0 0;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 26px;
                letter-spacing: -0.5px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .btn {
                font-size: 14px;
                padding: 11px 20px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stat {
                flex-direction: row;
                align-items: baseline;
                gap: 8px;
            }
            .hero-stat .stat-num {
                font-size: 22px;
            }
            .section {
                padding: 48px 0;
            }
            .service-card,
            .case-card .cc-body {
                padding: 16px;
            }
            .news-item {
                padding: 14px;
            }
            .news-item img {
                height: 150px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #111827;
            --primary-dark: #0F1115;
            --accent: #C8FF00;
            --accent-hover: #D6FF3D;
            --accent-soft: rgba(200, 255, 0, 0.12);
            --orange: #FF4D2E;
            --orange-soft: rgba(255, 77, 46, 0.1);
            --bg: #F5F7FA;
            --surface: #FFFFFF;
            --dark: #0F1115;
            --text: #1F2937;
            --text-secondary: #6B7280;
            --text-muted: #9BA3AF;
            --border: #E5E7EB;
            --border-light: #F0F2F5;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(17, 24, 39, 0.08);
            --shadow-lg: 0 12px 30px rgba(17, 24, 39, 0.12);
            --shadow-accent: 0 0 0 2px var(--accent);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --section-pad: 88px;
            --card-pad: 22px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-stack);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            font-size: 15px;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--text);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: var(--section-pad) 0;
        }
        .section-sm {
            padding: 52px 0;
        }
        .section-dark {
            background: var(--dark);
            color: #F9FAFB;
        }
        .section-light {
            background: var(--surface);
        }
        .section-gray {
            background: var(--bg);
        }
        .badge-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-soft);
            color: #5B7A00;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .badge-chip--orange {
            background: var(--orange-soft);
            color: var(--orange);
        }
        .badge-chip--dark {
            background: rgba(255, 255, 255, 0.08);
            color: var(--accent);
        }
        .section-label {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--text-muted);
            text-transform: uppercase;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .section-label::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--accent);
            flex-shrink: 0;
        }
        .section-title {
            font-size: clamp(24px, 3.2vw, 36px);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-title--light {
            color: #F9FAFB;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .section-desc--light {
            color: #B0B7C3;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-orange {
            color: var(--orange);
        }

        /* Header/Nav */
        .site-header {
            background: var(--primary);
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            min-height: 72px;
            display: flex;
            align-items: center;
        }
        .navbar {
            padding: 10px 0;
            flex-wrap: nowrap;
            width: 100%;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar-brand:hover {
            color: var(--accent);
        }
        .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .nav-link {
            color: #B0B7C3;
            font-weight: 500;
            font-size: 14px;
            padding: 8px 14px !important;
            border-radius: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover,
        .nav-link:focus {
            color: var(--accent);
            background: rgba(200, 255, 0, 0.06);
        }
        .nav-link.active {
            color: var(--accent);
            font-weight: 700;
            background: rgba(200, 255, 0, 0.1);
        }
        .navbar-nav {
            gap: 2px;
            align-items: center;
        }
        .navbar .btn-cta {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            border: none;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .navbar .btn-cta:hover {
            background: var(--accent-hover);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 255, 0, 0.25);
        }
        .navbar .btn-cta:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            padding: 6px 10px;
            border-radius: 6px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--accent);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Breadcrumb */
        .breadcrumb-wrapper {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }
        .breadcrumb {
            margin: 0;
            padding: 0;
            font-size: 13px;
            color: var(--text-muted);
            background: transparent;
        }
        .breadcrumb-item a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb-item a:hover {
            color: var(--text);
        }
        .breadcrumb-item.active {
            color: var(--text);
            font-weight: 600;
        }
        .breadcrumb-item + .breadcrumb-item::before {
            content: '›';
            color: var(--text-muted);
        }

        /* Category Page Header */
        .category-header {
            padding: 48px 0 36px;
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
        }
        .category-header h1 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 12px;
            color: var(--text);
        }
        .category-header .lead {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 820px;
        }
        .category-header .stat-chips {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 18px;
        }

        /* Filter chips */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }
        .filter-bar .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            margin-right: 4px;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 20px;
            cursor: pointer;
            transition: all var(--transition);
        }
        .filter-chip:hover {
            border-color: var(--accent);
            color: var(--text);
            background: var(--accent-soft);
        }
        .filter-chip.active {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            font-weight: 700;
        }

        /* Training Cards */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .training-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .training-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
            box-shadow: 0 12px 30px rgba(17, 24, 39, 0.12), 0 0 0 2px var(--accent);
        }
        .training-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #E0E5EB;
        }
        .training-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .training-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .training-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(15, 17, 21, 0.85);
            color: var(--accent);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.5px;
        }
        .training-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .training-card .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .training-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .training-card .card-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .training-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            transition: all var(--transition);
        }
        .training-card .card-link i {
            transition: transform var(--transition);
        }
        .training-card .card-link:hover {
            color: var(--primary);
        }
        .training-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* Step Timeline */
        .steps-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .step-item {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all var(--transition);
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }
        .step-item .step-num {
            font-size: 40px;
            font-weight: 800;
            color: transparent;
            -webkit-text-stroke: 2px var(--accent);
            line-height: 1;
            margin-bottom: 12px;
            font-style: italic;
        }
        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Data Strip */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
            padding: 36px 0;
        }
        .data-item .data-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
            letter-spacing: -1px;
        }
        .data-item .data-label {
            font-size: 13px;
            color: #B0B7C3;
            font-weight: 500;
            margin-top: 8px;
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .accordion-custom .accordion-button {
            background: var(--surface);
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            padding: 18px 22px;
            transition: all var(--transition);
            border: none;
            box-shadow: none;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--accent-soft);
            color: var(--text);
            box-shadow: none;
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 2px var(--accent);
            z-index: 1;
        }
        .accordion-custom .accordion-body {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 16px 22px 20px;
        }
        .accordion-custom .accordion-button::after {
            background-size: 14px;
        }

        /* CTA */
        .cta-section {
            background: var(--dark);
            border-radius: var(--radius-xl);
            overflow: hidden;
            position: relative;
        }
        .cta-section .cta-inner {
            padding: 56px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-section .cta-title {
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 800;
            color: #F9FAFB;
            margin-bottom: 8px;
        }
        .cta-section .cta-desc {
            font-size: 15px;
            color: #B0B7C3;
            max-width: 560px;
            line-height: 1.7;
        }
        .cta-section .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-primary-cta {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
        }
        .btn-primary-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 255, 0, 0.2);
        }
        .btn-outline-cta {
            background: transparent;
            color: #F9FAFB;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 24px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
        }
        .btn-outline-cta:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: #B0B7C3;
            padding: 52px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        .site-footer .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: #9BA3AF;
        }
        .site-footer h5 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            font-size: 13px;
            color: #9BA3AF;
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: #6B7280;
        }
        .site-footer .footer-bottom a {
            color: #9BA3AF;
            transition: color var(--transition);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-timeline {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .cta-section .cta-inner {
                padding: 40px 32px;
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 56px;
            }
            .category-header {
                padding: 32px 0 24px;
            }
            .training-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .steps-timeline {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
                padding: 24px 0;
            }
            .data-item .data-num {
                font-size: 32px;
            }
            .cta-section .cta-inner {
                padding: 32px 20px;
            }
            .cta-section .cta-actions {
                width: 100%;
                flex-direction: column;
            }
            .cta-section .cta-actions .btn-primary-cta,
            .cta-section .cta-actions .btn-outline-cta {
                width: 100%;
                justify-content: center;
            }
            .navbar .btn-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .section-title {
                font-size: 24px;
            }
            .category-header h1 {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-chip {
                padding: 5px 10px;
                font-size: 12px;
            }
            .training-card .card-body {
                padding: 16px 18px 18px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #111827;
            --primary-dark: #0F1115;
            --accent: #C8FF00;
            --accent-hover: #D6FF3D;
            --accent-soft: rgba(200, 255, 0, 0.12);
            --orange: #FF4D2E;
            --orange-soft: rgba(255, 77, 46, 0.1);
            --bg: #F5F7FA;
            --surface: #FFFFFF;
            --dark: #0F1115;
            --text: #1F2937;
            --text-secondary: #6B7280;
            --text-muted: #9BA3AF;
            --border: #E5E7EB;
            --border-light: #F0F2F5;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(17, 24, 39, 0.08);
            --shadow-lg: 0 12px 30px rgba(17, 24, 39, 0.12);
            --shadow-accent: 0 0 0 2px var(--accent);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --section-pad: 88px;
            --card-pad: 22px;
        }
        *,
        *::before,
        *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body { font-family: var(--font-stack); color: var(--text); background: var(--bg); line-height: 1.7; font-size: 15px; overflow-x: hidden; }
        a { text-decoration: none; color: inherit; transition: color var(--transition); }
        a:hover { color: var(--text); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }
        button, input, textarea, select { font-family: inherit; }
        :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
        .container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }
        .section { padding: var(--section-pad) 0; }
        .section-sm { padding: 52px 0; }
        .section-dark { background: var(--dark); color: #F9FAFB; }
        .section-light { background: var(--surface); }
        .section-gray { background: var(--bg); }
        .section-accent-soft { background: var(--accent-soft); }
        .badge-chip { display: inline-flex; align-items: center; gap: 6px; background: var(--accent-soft); color: #5B7A00; font-size: 12px; font-weight: 600; padding: 5px 12px; border-radius: 20px; letter-spacing: 0.3px; text-transform: uppercase; }
        .badge-chip--orange { background: var(--orange-soft); color: var(--orange); }
        .badge-chip--dark { background: rgba(255, 255, 255, 0.08); color: var(--accent); }
        .section-label { font-size: 13px; font-weight: 700; letter-spacing: 2px; color: var(--text-muted); text-transform: uppercase; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
        .section-label::before { content: ''; width: 28px; height: 2px; background: var(--accent); flex-shrink: 0; }
        .section-title { font-size: clamp(24px, 3.2vw, 36px); font-weight: 800; color: var(--text); letter-spacing: -0.5px; line-height: 1.3; margin-bottom: 14px; }
        .section-title--light { color: #F9FAFB; }
        .section-desc { font-size: 15px; color: var(--text-secondary); max-width: 720px; line-height: 1.8; margin-bottom: 0; }
        .section-desc--light { color: #B0B7C3; }
        .text-accent { color: var(--accent); }
        .text-orange { color: var(--orange); }
        .fw-800 { font-weight: 800; }
        .fw-700 { font-weight: 700; }
        .fs-sm { font-size: 13px; }
        .fs-xs { font-size: 12px; }
        .mb-2 { margin-bottom: 8px; }
        .mb-3 { margin-bottom: 14px; }
        .mb-4 { margin-bottom: 22px; }
        .mt-auto { margin-top: auto; }
        .gap-2 { gap: 8px; }
        .gap-3 { gap: 12px; }
        .d-flex { display: flex; }
        .align-items-center { align-items: center; }
        .justify-content-between { justify-content: space-between; }
        .justify-content-center { justify-content: center; }
        .flex-wrap { flex-wrap: wrap; }
        .rounded { border-radius: var(--radius-sm); }
        .rounded-md { border-radius: var(--radius-md); }
        .rounded-lg { border-radius: var(--radius-lg); }
        .shadow-sm { box-shadow: var(--shadow-sm); }
        .shadow-md { box-shadow: var(--shadow-md); }
        .shadow-lg { box-shadow: var(--shadow-lg); }
        .img-cover { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-md); }

        /* ========== Header/Nav ========== */
        .site-header { background: var(--primary); position: sticky; top: 0; z-index: 1050; border-bottom: 1px solid rgba(255,255,255,0.06); min-height: 72px; display: flex; align-items: center; }
        .navbar { padding: 10px 0; flex-wrap: nowrap; width: 100%; }
        .navbar-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: #fff; letter-spacing: 0.5px; white-space: nowrap; }
        .navbar-brand:hover { color: var(--accent); }
        .navbar-brand .brand-icon { width: 36px; height: 36px; background: var(--accent); color: var(--primary); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
        .nav-link { color: #B0B7C3; font-weight: 500; font-size: 14px; padding: 8px 14px !important; border-radius: 6px; transition: all var(--transition); white-space: nowrap; }
        .nav-link:hover, .nav-link:focus { color: var(--accent); background: rgba(200, 255, 0, 0.06); }
        .nav-link.active { color: var(--accent); font-weight: 700; background: rgba(200, 255, 0, 0.1); }
        .navbar-nav { gap: 2px; align-items: center; }
        .navbar .btn-cta { background: var(--accent); color: var(--primary); font-weight: 700; padding: 10px 16px; border-radius: var(--radius-sm); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; transition: all var(--transition); white-space: nowrap; }
        .navbar .btn-cta:hover { background: var(--accent-hover); color: var(--primary); transform: translateY(-2px); box-shadow: 0 8px 18px rgba(200,255,0,0.22); }
        .navbar .btn-cta:active { transform: translateY(0); }
        .navbar-toggler { border: 1px solid rgba(255,255,255,0.2); padding: 6px 10px; border-radius: 6px; background: transparent; }
        .navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(200, 255, 0, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); width: 24px; height: 24px; }
        .navbar-toggler:focus { box-shadow: 0 0 0 2px var(--accent); outline: none; }

        /* ========== Buttons ========== */
        .btn { border-radius: var(--radius-sm); font-weight: 600; transition: all var(--transition); }
        .btn-accent { background: var(--accent); color: var(--primary); border: none; padding: 10px 20px; }
        .btn-accent:hover { background: var(--accent-hover); color: var(--primary); transform: translateY(-2px); box-shadow: 0 8px 18px rgba(200,255,0,0.25); }
        .btn-accent:active { transform: translateY(0); box-shadow: none; }
        .btn-outline-light { border: 1px solid #E5E7EB; color: var(--text); background: transparent; padding: 10px 20px; }
        .btn-outline-light:hover { border-color: var(--accent); color: var(--primary); background: var(--accent-soft); transform: translateY(-2px); }
        .btn-outline-light:active { transform: translateY(0); }
        .btn-dark { background: var(--primary); color: #fff; border: none; padding: 10px 20px; }
        .btn-dark:hover { background: #1F2937; color: var(--accent); transform: translateY(-2px); }
        .btn-dark:active { transform: translateY(0); }

        /* ========== Cards ========== */
        .card-clean { background: var(--surface); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); transition: box-shadow var(--transition), transform var(--transition); overflow: hidden; border: 1px solid var(--border-light); }
        .card-clean:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); box-shadow: 0 12px 30px rgba(17,24,39,0.12), 0 0 0 2px var(--accent); }
        .card-clean .card-image { aspect-ratio: 16/9; overflow: hidden; position: relative; }
        .card-clean .card-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
        .card-clean .card-body { padding: var(--card-pad); }
        .card-clean .card-title { font-weight: 700; font-size: 18px; margin-bottom: 10px; line-height: 1.4; }
        .card-clean .card-text { color: var(--text-secondary); font-size: 14px; line-height: 1.7; }
        .card-clean .card-footer { padding: 14px var(--card-pad); background: transparent; border-top: 1px solid var(--border-light); display: flex; align-items: center; justify-content: space-between; }

        /* ========== Tags / Badges ========== */
        .tag { display: inline-block; padding: 4px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; background: #F0F2F5; color: var(--text-secondary); }
        .tag--green { background: var(--accent-soft); color: #5B7A00; }
        .tag--orange { background: var(--orange-soft); color: var(--orange); }
        .tag--dark { background: rgba(255,255,255,0.08); color: var(--accent); }
        .tag--gray { background: #F0F2F5; color: var(--text-secondary); }

        /* ========== Lists ========== */
        .list-divider li { border-bottom: 1px solid var(--border-light); padding: 12px 0; }
        .list-divider li:last-child { border-bottom: none; }

        /* ========== Form ========== */
        .form-control { border-radius: var(--radius-sm); border: 1px solid var(--border); padding: 10px 14px; font-size: 14px; background: #fff; transition: border-color var(--transition), box-shadow var(--transition); }
        .form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); outline: none; }
        .form-label { font-weight: 600; font-size: 14px; color: var(--text); margin-bottom: 6px; display: inline-block; }

        /* ========== FAQ / Accordion ========== */
        .accordion .accordion-item { border: 1px solid var(--border-light); border-radius: var(--radius-sm); margin-bottom: 10px; background: var(--surface); overflow: hidden; box-shadow: var(--shadow-sm); }
        .accordion .accordion-button { background: var(--surface); color: var(--text); font-weight: 700; font-size: 15px; padding: 16px 20px; box-shadow: none; border-radius: 0; }
        .accordion .accordion-button:not(.collapsed) { background: var(--accent-soft); color: var(--primary); box-shadow: none; }
        .accordion .accordion-button:focus { box-shadow: 0 0 0 2px var(--accent); outline: none; }
        .accordion .accordion-body { color: var(--text-secondary); font-size: 14px; line-height: 1.8; padding: 16px 20px; background: #fff; }

        /* ========== CTA ========== */
        .cta-block { background: var(--dark); border-radius: var(--radius-xl); padding: 36px 28px; color: #F9FAFB; position: relative; overflow: hidden; }
        .cta-block::after { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 85% 20%, rgba(200,255,0,0.12), transparent 35%); pointer-events: none; }
        .cta-block .cta-title { font-size: clamp(22px, 3vw, 30px); font-weight: 800; color: #fff; margin-bottom: 12px; }
        .cta-block .cta-desc { color: #B0B7C3; margin-bottom: 20px; max-width: 620px; }

        /* ========== Footer ========== */
        .site-footer { background: var(--dark); color: #9BA3AF; padding: 48px 0 0; font-size: 14px; border-top: 1px solid rgba(255,255,255,0.06); }
        .site-footer h5 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 18px; }
        .site-footer ul { padding: 0; margin: 0; }
        .site-footer ul li { margin-bottom: 10px; }
        .site-footer ul li a { color: #9BA3AF; transition: color var(--transition); }
        .site-footer ul li a:hover { color: var(--accent); }
        .footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: #fff; margin-bottom: 12px; }
        .footer-brand .brand-icon { width: 36px; height: 36px; background: var(--accent); color: var(--primary); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
        .footer-desc { color: #9BA3AF; font-size: 14px; line-height: 1.7; max-width: 320px; }
        .footer-bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,0.08); margin-top: 32px; font-size: 13px; }
        .footer-bottom a { color: #9BA3AF; }
        .footer-bottom a:hover { color: var(--accent); }

        /* ========== Breadcrumb ========== */
        .breadcrumb { margin-bottom: 8px; font-size: 13px; color: var(--text-muted); }
        .breadcrumb a { color: var(--text-muted); }
        .breadcrumb a:hover { color: var(--text); }
        .breadcrumb .separator { margin: 0 6px; color: var(--text-muted); }

        /* ========== Page Hero (分类页首屏) ========== */
        .category-hero { padding: 40px 0 24px; background: var(--surface); border-bottom: 1px solid var(--border-light); }
        .category-hero .h1 { font-size: clamp(30px, 3.6vw, 40px); font-weight: 800; letter-spacing: -0.5px; line-height: 1.25; margin-bottom: 10px; color: var(--text); }
        .category-hero .lead { color: var(--text-secondary); font-size: 16px; line-height: 1.8; max-width: 760px; margin-bottom: 0; }

        /* ========== Filter bar ========== */
        .filter-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
        .filter-chip { background: transparent; border: 1px solid var(--border); color: var(--text-secondary); border-radius: 30px; padding: 7px 16px; font-size: 13px; font-weight: 600; transition: all var(--transition); cursor: pointer; }
        .filter-chip:hover { border-color: var(--accent); color: var(--primary); background: var(--accent-soft); }
        .filter-chip.active { background: var(--primary); color: var(--accent); border-color: var(--primary); }

        /* ========== Event list cards (主体列表) ========== */
        .event-card { display: flex; flex-direction: column; background: var(--surface); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); overflow: hidden; transition: box-shadow var(--transition), transform var(--transition); height: 100%; }
        .event-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); box-shadow: 0 12px 30px rgba(17,24,39,0.12), 0 0 0 2px var(--accent); }
        .event-card .event-image { aspect-ratio: 4/3; overflow: hidden; position: relative; }
        .event-card .event-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
        .event-card .event-body { padding: 18px; display: flex; flex-direction: column; flex: 1; }
        .event-card .event-date { font-size: 12px; font-weight: 700; letter-spacing: 0.5px; color: var(--text-muted); text-transform: uppercase; margin-bottom: 8px; }
        .event-card .event-title { font-weight: 700; font-size: 17px; line-height: 1.45; margin-bottom: 8px; }
        .event-card .event-summary { color: var(--text-secondary); font-size: 14px; line-height: 1.7; flex: 1; }
        .event-card .event-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
        .event-card .event-link { margin-top: 12px; align-self: flex-start; font-weight: 600; color: var(--text); display: inline-flex; align-items: center; gap: 6px; }
        .event-card .event-link i { color: var(--accent); transition: transform var(--transition); }
        .event-card .event-link:hover i { transform: translateX(4px); }

        /* ========== Data stats bar ========== */
        .stats-block { background: var(--dark); border-radius: var(--radius-xl); padding: 30px 24px; color: #F9FAFB; }
        .stats-block .stat-item { text-align: center; padding: 16px 8px; }
        .stats-block .stat-value { font-size: clamp(28px, 3.5vw, 38px); font-weight: 800; color: var(--accent); letter-spacing: -1px; font-family: 'PingFang SC','Microsoft YaHei',sans-serif; }
        .stats-block .stat-label { color: #B0B7C3; font-size: 13px; margin-top: 4px; }

        /* ========== Featured matchup (不对称深度卡片) ========== */
        .matchup-card { background: var(--surface); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); transition: box-shadow var(--transition); }
        .matchup-card:hover { box-shadow: var(--shadow-lg); }
        .matchup-card .matchup-image { aspect-ratio: 16/9; overflow: hidden; }
        .matchup-card .matchup-image img { width: 100%; height: 100%; object-fit: cover; }
        .matchup-card .matchup-body { padding: 22px; }
        .matchup-card .matchup-tag { margin-bottom: 10px; }
        .matchup-card .matchup-title { font-size: 20px; font-weight: 800; line-height: 1.4; margin-bottom: 10px; }
        .matchup-card .matchup-text { color: var(--text-secondary); font-size: 14px; line-height: 1.8; }

        /* ========== Timeline ========== */
        .timeline-list { position: relative; padding-left: 28px; }
        .timeline-list::before { content: ''; position: absolute; left: 10px; top: 4px; bottom: 4px; width: 2px; background: var(--border); }
        .timeline-item { position: relative; margin-bottom: 22px; }
        .timeline-item::before { content: ''; position: absolute; left: -22px; top: 6px; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px rgba(200,255,0,0.2); }
        .timeline-item:last-child { margin-bottom: 0; }
        .timeline-item .timeline-date { font-weight: 700; color: var(--orange); font-size: 13px; letter-spacing: 0.5px; margin-bottom: 4px; }
        .timeline-item .timeline-title { font-weight: 700; font-size: 16px; margin-bottom: 4px; }
        .timeline-item .timeline-desc { color: var(--text-secondary); font-size: 14px; line-height: 1.7; }

        /* ========== Guide image block ========== */
        .guide-card { background: var(--surface); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); }
        .guide-card img { width: 100%; height: 220px; object-fit: cover; }
        .guide-card .guide-body { padding: 22px; }
        .guide-card .guide-title { font-weight: 700; font-size: 18px; margin-bottom: 10px; }
        .guide-card .guide-text { color: var(--text-secondary); font-size: 14px; line-height: 1.8; }

        /* ========== Channel entry mini cards ========== */
        .channel-card { background: var(--surface); border-radius: var(--radius-md); padding: 18px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); transition: box-shadow var(--transition), transform var(--transition); display: flex; align-items: center; gap: 14px; height: 100%; }
        .channel-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); box-shadow: 0 12px 30px rgba(17,24,39,0.12), 0 0 0 2px var(--accent); }
        .channel-card .channel-icon { width: 42px; height: 42px; background: var(--accent-soft); color: #5B7A00; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
        .channel-card .channel-title { font-weight: 700; font-size: 15px; margin-bottom: 4px; }
        .channel-card .channel-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .section { padding: 64px 0; }
            .section-sm { padding: 40px 0; }
        }
        @media (max-width: 768px) {
            .section { padding: 48px 0; }
            .section-sm { padding: 32px 0; }
            .category-hero { padding: 28px 0 16px; }
            .navbar-brand { font-size: 18px; }
            .navbar-brand .brand-icon { width: 32px; height: 32px; font-size: 16px; }
            .event-card .event-image { aspect-ratio: 16/9; }
            .cta-block { padding: 28px 18px; }
            .footer-bottom { flex-direction: column; align-items: flex-start; gap: 6px; }
        }
        @media (max-width: 520px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .section { padding: 40px 0; }
            .section-sm { padding: 28px 0; }
            .filter-bar { gap: 6px; }
            .filter-chip { padding: 6px 12px; font-size: 12px; }
            .stats-block .stat-item { padding: 10px 4px; }
            .timeline-list { padding-left: 22px; }
            .timeline-item::before { left: -16px; width: 8px; height: 8px; }
        }

/* roulang page: category3 */
:root {
            --primary: #111827;
            --primary-dark: #0F1115;
            --accent: #C8FF00;
            --accent-hover: #D6FF3D;
            --accent-soft: rgba(200, 255, 0, 0.12);
            --orange: #FF4D2E;
            --orange-soft: rgba(255, 77, 46, 0.1);
            --bg: #F5F7FA;
            --surface: #FFFFFF;
            --dark: #0F1115;
            --text: #1F2937;
            --text-secondary: #6B7280;
            --text-muted: #9BA3AF;
            --border: #E5E7EB;
            --border-light: #F0F2F5;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(17, 24, 39, 0.08);
            --shadow-lg: 0 12px 30px rgba(17, 24, 39, 0.12);
            --shadow-accent: 0 0 0 2px var(--accent);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --section-pad: 88px;
            --card-pad: 22px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-stack);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            font-size: 15px;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--text);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: var(--section-pad) 0;
        }
        .section-sm {
            padding: 52px 0;
        }
        .section-dark {
            background: var(--dark);
            color: #F9FAFB;
        }
        .section-light {
            background: var(--surface);
        }
        .section-gray {
            background: var(--bg);
        }
        .badge-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-soft);
            color: #5B7A00;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .badge-chip--orange {
            background: var(--orange-soft);
            color: var(--orange);
        }
        .badge-chip--dark {
            background: rgba(255, 255, 255, 0.08);
            color: var(--accent);
        }
        .section-label {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--text-muted);
            text-transform: uppercase;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .section-label::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--accent);
            flex-shrink: 0;
        }
        .section-label--light {
            color: #B0B7C3;
        }
        .section-title {
            font-size: clamp(24px, 3.2vw, 36px);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-title--light {
            color: #F9FAFB;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .section-desc--light {
            color: #B0B7C3;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-orange {
            color: var(--orange);
        }

        /* ========== Header/Nav ========== */
        .site-header {
            background: var(--primary);
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            min-height: 72px;
            display: flex;
            align-items: center;
        }
        .navbar {
            padding: 10px 0;
            flex-wrap: nowrap;
            width: 100%;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar-brand:hover {
            color: var(--accent);
        }
        .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .nav-link {
            color: #B0B7C3;
            font-weight: 500;
            font-size: 14px;
            padding: 8px 14px !important;
            border-radius: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover,
        .nav-link:focus {
            color: var(--accent);
            background: rgba(200, 255, 0, 0.06);
        }
        .nav-link.active {
            color: var(--accent);
            font-weight: 700;
            background: rgba(200, 255, 0, 0.1);
        }
        .navbar-nav {
            gap: 2px;
            align-items: center;
        }
        .navbar .btn-cta {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 18px;
            border-radius: 8px;
            border: none;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .navbar .btn-cta:hover,
        .navbar .btn-cta:focus {
            background: var(--accent-hover);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 255, 0, 0.25);
        }
        .navbar-toggler {
            border: none;
            color: #fff;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28200,255,0,0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-section {
            padding: 20px 0 0;
            background: var(--surface);
        }
        .breadcrumb {
            margin-bottom: 0;
            --bs-breadcrumb-divider-color: var(--text-muted);
            --bs-breadcrumb-item-active-color: var(--text-secondary);
            font-size: 13px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--text);
        }
        .breadcrumb-item.active {
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ========== Page Header ========== */
        .page-header {
            background: var(--surface);
            padding: 36px 0 28px;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .page-header::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -30px;
            width: 260px;
            height: 160px;
            background: var(--accent-soft);
            border-radius: 50%;
            pointer-events: none;
            filter: blur(2px);
        }
        .page-header h1 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 12px;
            color: var(--text);
            position: relative;
            z-index: 1;
        }
        .page-header .lead {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 650px;
            line-height: 1.8;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }
        .page-header .header-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 18px;
            font-size: 13px;
            color: var(--text-muted);
            position: relative;
            z-index: 1;
        }
        .page-header .header-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .page-header .header-meta i {
            color: var(--accent-hover);
        }

        /* ========== Filter Tags ========== */
        .filter-bar {
            background: var(--surface);
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 72px;
            z-index: 100;
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }
        .filter-tags .tag-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            margin-right: 4px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid var(--border);
            background: var(--surface);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-tag:hover,
        .filter-tag:focus {
            border-color: var(--accent);
            color: var(--text);
            background: var(--accent-soft);
        }
        .filter-tag.active {
            background: var(--primary);
            color: var(--accent);
            border-color: var(--primary);
            font-weight: 600;
        }

        /* ========== Review Cards ========== */
        .review-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .review-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
            transform: translateY(-4px);
        }
        .review-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .review-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .review-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .review-card .card-overlay-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .review-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .review-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.45;
            margin-bottom: 8px;
        }
        .review-card .card-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .review-card .card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }
        .review-card .btn-read {
            align-self: flex-start;
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 13px;
            padding: 8px 16px;
            border-radius: 8px;
            transition: all var(--transition);
        }
        .review-card .btn-read:hover,
        .review-card .btn-read:focus {
            border-color: var(--accent);
            color: var(--primary);
            background: var(--accent);
            box-shadow: 0 4px 12px rgba(200, 255, 0, 0.3);
        }

        /* ========== Score Comparison ========== */
        .score-comparison {
            background: var(--dark);
            color: #F9FAFB;
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            box-shadow: var(--shadow-lg);
        }
        .score-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .score-item:last-child {
            border-bottom: none;
        }
        .score-item .score-name {
            font-weight: 600;
            font-size: 14px;
            min-width: 130px;
            color: #E5E7EB;
        }
        .score-item .score-bar-wrap {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .score-item .progress {
            flex: 1;
            height: 6px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 3px;
            overflow: hidden;
            --bs-progress-bar-bg: var(--accent);
        }
        .score-item .progress-bar {
            background: var(--accent);
            border-radius: 3px;
            transition: width 0.8s ease;
        }
        .score-item .score-num {
            font-size: 16px;
            font-weight: 800;
            color: var(--accent);
            min-width: 42px;
            text-align: right;
            font-variant-numeric: tabular-nums;
        }

        /* ========== Guide Steps ========== */
        .guide-step {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--accent);
            height: 100%;
            transition: all var(--transition);
        }
        .guide-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .guide-step .step-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 10px;
            letter-spacing: -1px;
        }
        .guide-step .step-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .guide-step .step-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== Standards ========== */
        .standard-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            height: 100%;
            transition: all var(--transition);
            text-align: center;
        }
        .standard-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }
        .standard-card .std-icon {
            width: 48px;
            height: 48px;
            background: var(--accent-soft);
            color: #5B7A00;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 14px;
        }
        .standard-card .std-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .standard-card .std-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .accordion {
            --bs-accordion-bg: var(--surface);
            --bs-accordion-border-color: var(--border-light);
            --bs-accordion-border-width: 1px;
            --bs-accordion-border-radius: var(--radius-md);
            --bs-accordion-inner-border-radius: calc(var(--radius-md) - 1px);
            --bs-accordion-btn-padding-x: 20px;
            --bs-accordion-btn-padding-y: 16px;
            --bs-accordion-body-padding-x: 20px;
            --bs-accordion-body-padding-y: 16px;
            --bs-accordion-btn-bg: var(--surface);
            --bs-accordion-active-bg: var(--accent-soft);
            --bs-accordion-btn-color: var(--text);
            --bs-accordion-active-color: var(--text);
            --bs-accordion-btn-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='M2 5L8 11L14 5'/%3e%3c/svg%3e");
            --bs-accordion-btn-active-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%235B7A00' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='M2 5L8 11L14 5'/%3e%3c/svg%3e");
            box-shadow: var(--shadow-sm);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .accordion-item {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: none;
        }
        .accordion-item:last-child {
            margin-bottom: 0;
        }
        .accordion-button {
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            background: var(--surface);
            padding: 16px 20px;
            box-shadow: none;
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }
        .accordion-button:focus {
            box-shadow: var(--shadow-accent);
            border-color: var(--accent);
        }
        .accordion-button:not(.collapsed) {
            background: var(--accent-soft);
            color: var(--text);
            box-shadow: none;
        }
        .accordion-body {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            background: var(--surface);
        }

        /* ========== CTA ========== */
        .cta-panel {
            background: var(--primary);
            border-radius: var(--radius-xl);
            padding: 42px 36px;
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
            justify-content: space-between;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 180px;
            background: var(--accent-soft);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-panel .cta-text {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }
        .cta-panel .cta-title {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .cta-panel .cta-desc {
            font-size: 14px;
            color: #B0B7C3;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .cta-panel .cta-form {
            flex: 1;
            min-width: 320px;
            position: relative;
            z-index: 1;
        }
        .cta-panel .form-control {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            border-radius: 8px;
            padding: 10px 14px;
            font-size: 14px;
            transition: all var(--transition);
        }
        .cta-panel .form-control::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .cta-panel .form-control:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200, 255, 0, 0.15);
            color: #fff;
        }
        .cta-panel .btn-submit {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            border: none;
            border-radius: 8px;
            padding: 10px 24px;
            font-size: 14px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .cta-panel .btn-submit:hover,
        .cta-panel .btn-submit:focus {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 255, 0, 0.25);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark);
            color: #B0B7C3;
            padding: 52px 0 28px;
            margin-top: 0;
        }
        .site-footer h5 {
            color: #F9FAFB;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: #B0B7C3;
            font-size: 14px;
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--accent);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .footer-desc {
            font-size: 14px;
            color: #B0B7C3;
            line-height: 1.8;
            max-width: 300px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 36px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== Responsive ========== */
        @media (max-width: 992px) {
            :root {
                --section-pad: 64px;
            }
            .cta-panel {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }
            .score-comparison {
                padding: 28px 20px;
            }
            .score-item .score-name {
                min-width: 100px;
                font-size: 13px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad: 48px;
                --card-pad: 16px;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .page-header .lead {
                font-size: 14px;
            }
            .filter-bar {
                top: 62px;
                padding: 10px 0;
            }
            .filter-tags {
                gap: 6px;
            }
            .filter-tag {
                font-size: 12px;
                padding: 5px 10px;
            }
            .review-card .card-body {
                padding: 16px 16px 18px;
            }
            .review-card .card-title {
                font-size: 16px;
            }
            .review-card .card-desc {
                font-size: 13px;
            }
            .score-item {
                flex-wrap: wrap;
                gap: 8px;
            }
            .score-item .score-name {
                min-width: 100%;
            }
            .score-item .score-bar-wrap {
                width: 100%;
            }
            .cta-panel {
                padding: 32px 22px;
            }
            .cta-panel .cta-title {
                font-size: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-header {
                padding: 24px 0 20px;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .page-header .header-meta {
                gap: 10px;
                flex-wrap: wrap;
            }
            .filter-tag {
                font-size: 11px;
                padding: 4px 9px;
            }
            .review-card .btn-read {
                font-size: 12px;
                padding: 7px 13px;
            }
            .guide-step {
                padding: 20px 16px;
            }
            .guide-step .step-num {
                font-size: 28px;
            }
            .standard-card {
                padding: 18px 14px;
            }
            .cta-panel {
                padding: 24px 18px;
            }
            .cta-panel .cta-title {
                font-size: 20px;
            }
            .accordion-button {
                font-size: 14px;
                padding: 13px 16px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #111827;
            --primary-dark: #0F1115;
            --accent: #C8FF00;
            --accent-hover: #D6FF3D;
            --accent-soft: rgba(200, 255, 0, 0.12);
            --orange: #FF4D2E;
            --orange-soft: rgba(255, 77, 46, 0.1);
            --bg: #F5F7FA;
            --surface: #FFFFFF;
            --dark: #0F1115;
            --text: #1F2937;
            --text-secondary: #6B7280;
            --text-muted: #9BA3AF;
            --border: #E5E7EB;
            --border-light: #F0F2F5;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(17, 24, 39, 0.08);
            --shadow-lg: 0 12px 30px rgba(17, 24, 39, 0.12);
            --shadow-accent: 0 0 0 2px var(--accent);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --section-pad: 88px;
            --card-pad: 22px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-stack);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            font-size: 15px;
            overflow-x: hidden;
            margin: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }
        a:hover {
            color: inherit;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: var(--section-pad) 0;
        }
        .section-sm {
            padding: 52px 0;
        }
        .section-dark {
            background: var(--dark);
            color: #F9FAFB;
        }
        .section-light {
            background: var(--surface);
        }
        .section-gray {
            background: var(--bg);
        }
        .badge-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-soft);
            color: #5B7A00;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .badge-chip--orange {
            background: var(--orange-soft);
            color: var(--orange);
        }
        .badge-chip--dark {
            background: rgba(255, 255, 255, 0.08);
            color: var(--accent);
        }
        .section-label {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--text-muted);
            text-transform: uppercase;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .section-label::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--accent);
            flex-shrink: 0;
        }
        .section-title {
            font-size: clamp(24px, 3.2vw, 36px);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-title--light {
            color: #F9FAFB;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .section-desc--light {
            color: #B0B7C3;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-orange {
            color: var(--orange);
        }

        /* Header */
        .site-header {
            background: var(--primary);
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            min-height: 72px;
            display: flex;
            align-items: center;
        }
        .navbar {
            padding: 10px 0;
            flex-wrap: nowrap;
            width: 100%;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar-brand:hover {
            color: var(--accent);
        }
        .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .nav-link {
            color: #B0B7C3;
            font-weight: 500;
            font-size: 14px;
            padding: 8px 14px !important;
            border-radius: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover,
        .nav-link:focus {
            color: var(--accent);
            background: rgba(200, 255, 0, 0.06);
        }
        .nav-link.active {
            color: var(--accent);
            font-weight: 700;
            background: rgba(200, 255, 0, 0.1);
        }
        .navbar-nav {
            gap: 2px;
            align-items: center;
        }
        .navbar .btn-cta {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
            white-space: nowrap;
            border: none;
        }
        .navbar .btn-cta:hover {
            background: var(--accent-hover);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 255, 0, 0.25);
        }
        .navbar .btn-cta:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .navbar .btn-cta:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.05);
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .navbar-toggler-icon {
            background-image: none;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
        }
        .navbar-toggler-icon::before {
            content: '\f0c9';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
        }

        /* Breadcrumb */
        .breadcrumb-wrapper {
            padding: 20px 0 0;
            background: var(--bg);
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
        }
        .breadcrumb-custom li+li::before {
            content: '/';
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb-custom a {
            color: var(--text-secondary);
            font-weight: 500;
        }
        .breadcrumb-custom a:hover {
            color: #5B7A00;
        }
        .breadcrumb-custom .current {
            color: var(--text);
            font-weight: 600;
        }

        /* Page Intro */
        .page-intro {
            padding: 44px 0 36px;
            background: var(--bg);
        }
        .page-intro h1 {
            font-size: clamp(30px, 4.5vw, 44px);
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text);
            margin-bottom: 14px;
            line-height: 1.25;
        }
        .page-intro .lead {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.85;
            margin-bottom: 20px;
        }
        .intro-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 13px;
            color: var(--text-muted);
            align-items: center;
        }
        .intro-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* Filter Bar */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 22px;
        }
        .filter-btn {
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            padding: 7px 16px;
            border-radius: 20px;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-btn:hover {
            border-color: var(--accent);
            color: #5B7A00;
            background: var(--accent-soft);
        }
        .filter-btn.active {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            border-color: var(--accent);
        }
        .filter-btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* Featured News */
        .featured-news {
            padding: 20px 0 0;
            background: var(--bg);
        }
        .featured-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: flex;
            flex-direction: column;
            transition: box-shadow var(--transition), transform var(--transition);
            height: 100%;
            border: 1px solid var(--border-light);
        }
        .featured-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .featured-card .featured-img {
            position: relative;
            min-height: 260px;
            overflow: hidden;
        }
        .featured-card .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .featured-card:hover .featured-img img {
            transform: scale(1.05);
        }
        .featured-card .featured-img .overlay-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--orange);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 4px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .featured-card .featured-body {
            padding: 24px 26px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .featured-card .featured-category {
            font-size: 12px;
            font-weight: 600;
            color: #5B7A00;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }
        .featured-card .featured-title {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: -0.2px;
        }
        .featured-card .featured-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
            flex-grow: 1;
        }
        .featured-card .featured-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-muted);
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }
        .featured-card .featured-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .featured-card .read-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            color: #5B7A00;
            transition: all var(--transition);
            margin-top: 14px;
            align-self: flex-start;
        }
        .featured-card .read-more-btn:hover {
            color: var(--primary);
            gap: 10px;
        }

        /* News Grid */
        .news-grid-section {
            padding: 40px 0 60px;
            background: var(--bg);
        }
        .news-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--accent);
        }
        .news-card .news-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--border-light);
        }
        .news-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .news-img img {
            transform: scale(1.05);
        }
        .news-card .news-img .news-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--primary);
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 4px;
            letter-spacing: 0.5px;
        }
        .news-card .news-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .news-card .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card .news-title {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.1px;
        }
        .news-card .news-excerpt {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex-grow: 1;
            margin-bottom: 12px;
        }
        .news-card .news-link {
            font-size: 13px;
            font-weight: 600;
            color: #5B7A00;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: all var(--transition);
        }
        .news-card .news-link:hover {
            color: var(--primary);
            gap: 8px;
        }

        /* Topic Section */
        .topic-section {
            padding: var(--section-pad) 0;
            background: var(--dark);
            color: #F9FAFB;
        }
        .topic-card {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
            height: 100%;
        }
        .topic-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--accent);
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
        }
        .topic-card .topic-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
        }
        .topic-card .topic-title {
            font-size: 16px;
            font-weight: 700;
            color: #F9FAFB;
            margin-bottom: 8px;
        }
        .topic-card .topic-desc {
            font-size: 13px;
            color: #B0B7C3;
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .topic-card .topic-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: all var(--transition);
        }
        .topic-card .topic-link:hover {
            color: #fff;
            gap: 8px;
        }

        /* Data Bar */
        .data-bar {
            background: var(--primary);
            padding: 36px 0;
            color: #F9FAFB;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .data-item {
            text-align: center;
            padding: 12px 16px;
        }
        .data-item .data-number {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -1px;
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .data-item .data-label {
            font-size: 13px;
            color: #B0B7C3;
            margin-top: 4px;
            font-weight: 500;
        }

        /* Subscribe CTA */
        .subscribe-section {
            padding: var(--section-pad) 0;
            background: var(--bg);
        }
        .subscribe-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .subscribe-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent);
        }
        .subscribe-card .subscribe-title {
            font-size: 24px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 8px;
        }
        .subscribe-card .subscribe-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.7;
        }
        .subscribe-card .form-control {
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            font-size: 14px;
            padding: 11px 16px;
            background: var(--bg);
            transition: all var(--transition);
        }
        .subscribe-card .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200, 255, 0, 0.15);
            background: #fff;
        }
        .subscribe-card .btn-subscribe {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            padding: 11px 22px;
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .subscribe-card .btn-subscribe:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 255, 0, 0.25);
        }
        .subscribe-card .btn-subscribe:active {
            transform: translateY(0);
        }
        .subscribe-card .btn-subscribe:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* FAQ */
        .faq-section {
            padding: var(--section-pad) 0;
            background: var(--surface);
        }
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg);
            box-shadow: var(--shadow-sm);
        }
        .accordion-custom .accordion-button {
            background: var(--bg);
            color: var(--text);
            font-weight: 600;
            font-size: 15px;
            padding: 16px 20px;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--accent-soft);
            color: #5B7A00;
            box-shadow: none;
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }
        .accordion-custom .accordion-button::after {
            filter: brightness(0.5);
        }
        .accordion-custom .accordion-body {
            background: var(--surface);
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            padding: 16px 20px 20px;
            border-top: 1px solid var(--border-light);
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: #B0B7C3;
            padding: 56px 0 24px;
            font-size: 13px;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        .site-footer .footer-desc {
            font-size: 13px;
            color: #9BA3AF;
            line-height: 1.8;
            max-width: 320px;
        }
        .site-footer h5 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: #B0B7C3;
            font-size: 13px;
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            font-size: 12px;
            color: #9BA3AF;
        }
        .site-footer .footer-bottom a {
            color: #B0B7C3;
            font-weight: 500;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            :root {
                --section-pad: 64px;
            }
            .navbar-collapse {
                background: var(--primary);
                padding: 14px;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                border: 1px solid rgba(255, 255, 255, 0.06);
                margin-top: 8px;
            }
            .navbar-nav {
                gap: 4px;
            }
            .navbar .btn-cta {
                margin-top: 8px;
                justify-content: center;
                width: 100%;
            }
            .featured-card .featured-img {
                min-height: 200px;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --section-pad: 48px;
                --card-pad: 18px;
            }
            .page-intro h1 {
                font-size: 28px;
            }
            .featured-card .featured-img {
                min-height: 180px;
            }
            .featured-card .featured-body {
                padding: 18px 20px;
            }
            .news-card .news-body {
                padding: 14px 16px 16px;
            }
            .subscribe-card {
                padding: 28px 22px;
            }
            .data-bar {
                padding: 24px 0;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
        }
        @media (max-width: 519.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-intro h1 {
                font-size: 24px;
            }
            .page-intro .lead {
                font-size: 14px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-btn {
                font-size: 12px;
                padding: 6px 12px;
            }
            .featured-card .featured-img {
                min-height: 160px;
            }
            .news-card .news-title {
                font-size: 14px;
            }
            .data-item .data-number {
                font-size: 26px;
            }
            .subscribe-card .subscribe-title {
                font-size: 20px;
            }
            .subscribe-card .btn-subscribe {
                width: 100%;
                justify-content: center;
                margin-top: 8px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #111827;
            --primary-dark: #0F1115;
            --accent: #C8FF00;
            --accent-hover: #D6FF3D;
            --accent-soft: rgba(200, 255, 0, 0.12);
            --orange: #FF4D2E;
            --orange-soft: rgba(255, 77, 46, 0.1);
            --bg: #F5F7FA;
            --surface: #FFFFFF;
            --dark: #0F1115;
            --text: #1F2937;
            --text-secondary: #6B7280;
            --text-muted: #9BA3AF;
            --border: #E5E7EB;
            --border-light: #F0F2F5;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(17, 24, 39, 0.08);
            --shadow-lg: 0 12px 30px rgba(17, 24, 39, 0.12);
            --shadow-accent: 0 0 0 2px var(--accent);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --section-pad: 88px;
            --card-pad: 22px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-stack);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            font-size: 15px;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--text);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: var(--section-pad) 0;
        }
        .section-sm {
            padding: 52px 0;
        }
        .section-dark {
            background: var(--dark);
            color: #F9FAFB;
        }
        .section-light {
            background: var(--surface);
        }
        .section-gray {
            background: var(--bg);
        }
        .badge-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-soft);
            color: #5B7A00;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .badge-chip--orange {
            background: var(--orange-soft);
            color: var(--orange);
        }
        .badge-chip--dark {
            background: rgba(255, 255, 255, 0.08);
            color: var(--accent);
        }
        .section-label {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--text-muted);
            text-transform: uppercase;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .section-label::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--accent);
            flex-shrink: 0;
        }
        .section-title {
            font-size: clamp(24px, 3.2vw, 36px);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-title--light {
            color: #F9FAFB;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .section-desc--light {
            color: #B0B7C3;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-orange {
            color: var(--orange);
        }

        /* Header/Nav */
        .site-header {
            background: var(--primary);
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            min-height: 72px;
            display: flex;
            align-items: center;
        }
        .navbar {
            padding: 10px 0;
            flex-wrap: nowrap;
            width: 100%;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar-brand:hover {
            color: var(--accent);
        }
        .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .nav-link {
            color: #B0B7C3;
            font-weight: 500;
            font-size: 14px;
            padding: 8px 14px !important;
            border-radius: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover,
        .nav-link:focus {
            color: var(--accent);
            background: rgba(200, 255, 0, 0.06);
        }
        .nav-link.active {
            color: var(--accent);
            font-weight: 700;
            background: rgba(200, 255, 0, 0.1);
        }
        .navbar-nav {
            gap: 2px;
            align-items: center;
        }
        .navbar .btn-cta {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 13px;
            padding: 10px 18px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
            border: none;
            transition: all var(--transition);
        }
        .navbar .btn-cta:hover {
            background: var(--accent-hover);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 255, 0, 0.25);
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            padding: 6px 10px;
            border-radius: 6px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--accent);
            outline: none;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba%28255,255,255,0.7%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            padding: 16px 0;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .breadcrumb-bar a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb-bar a:hover {
            color: var(--text);
        }
        .breadcrumb-bar .separator {
            margin: 0 8px;
            color: var(--text-muted);
        }
        .breadcrumb-bar .current {
            color: var(--text);
            font-weight: 600;
        }

        /* Page Header */
        .page-header {
            background: var(--surface);
            padding: 48px 0 36px;
            border-bottom: 1px solid var(--border-light);
        }
        .page-header h1 {
            font-size: clamp(28px, 3.5vw, 40px);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            margin-bottom: 10px;
        }
        .page-header .subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }
        .page-header .meta-row {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            margin-top: 14px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .page-header .meta-row span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* Membership Tier Cards */
        .tier-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            position: relative;
            transition: all var(--transition);
            height: 100%;
            box-shadow: var(--shadow-sm);
        }
        .tier-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg), 0 0 0 2px rgba(200, 255, 0, 0.5);
            border-color: var(--accent);
        }
        .tier-card--featured {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(200, 255, 0, 0.35), var(--shadow-md);
            background: linear-gradient(180deg, rgba(200, 255, 0, 0.06) 0%, var(--surface) 40%);
        }
        .tier-card--featured .tier-badge-pop {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--orange);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }
        .tier-name {
            font-size: 18px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 6px;
        }
        .tier-price {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 2px;
        }
        .tier-price .unit {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
        }
        .tier-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.7;
        }
        .tier-features {
            list-style: none;
            padding: 0;
            margin: 0 0 18px;
        }
        .tier-features li {
            font-size: 13px;
            color: var(--text);
            padding: 7px 0;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .tier-features li i {
            color: var(--accent);
            font-size: 14px;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .btn-tier {
            width: 100%;
            background: var(--primary);
            color: #fff;
            border: none;
            font-size: 14px;
            font-weight: 700;
            padding: 12px 16px;
            border-radius: 8px;
            transition: all var(--transition);
        }
        .btn-tier:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 255, 0, 0.3);
        }
        .btn-tier--accent {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-tier--accent:hover {
            background: var(--accent-hover);
            color: var(--primary);
        }

        /* Member Resources Card */
        .resource-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .resource-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg), 0 0 0 2px rgba(200, 255, 0, 0.4);
            border-color: var(--accent);
        }
        .resource-card .card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
            background: #e9eef2;
        }
        .resource-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .resource-card:hover .card-img img {
            transform: scale(1.05);
        }
        .resource-card .card-body {
            padding: 18px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .resource-card .card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .tag-green {
            background: var(--accent-soft);
            color: #5B7A00;
        }
        .tag-orange {
            background: var(--orange-soft);
            color: var(--orange);
        }
        .tag-gray {
            background: #F3F4F6;
            color: var(--text-secondary);
        }
        .resource-card .card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .resource-card .card-text {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .resource-card .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }
        .resource-card .btn-read-more {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }
        .resource-card .btn-read-more:hover {
            color: var(--orange);
            gap: 8px;
        }

        /* Stats Bar */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-block {
            text-align: center;
            padding: 28px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }
        .stat-block:hover {
            background: rgba(200, 255, 0, 0.08);
            border-color: rgba(200, 255, 0, 0.3);
        }
        .stat-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -1px;
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .stat-label {
            font-size: 13px;
            color: #B0B7C3;
            margin-top: 6px;
            font-weight: 500;
        }

        /* Venue Cards */
        .venue-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            height: 100%;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .venue-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md), 0 0 0 2px rgba(200, 255, 0, 0.4);
            border-color: var(--accent);
        }
        .venue-card .venue-icon {
            width: 44px;
            height: 44px;
            background: var(--accent-soft);
            color: #5B7A00;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 12px;
        }
        .venue-card h5 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .venue-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            line-height: 1.6;
        }
        .venue-card .venue-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        /* Testimonials */
        .testimonial-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border);
        }
        .testimonial-card .quote-icon {
            color: var(--accent);
            font-size: 24px;
            margin-bottom: 10px;
            opacity: 0.6;
        }
        .testimonial-card p {
            font-size: 14px;
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
        }
        .testimonial-card .author-info .name {
            font-size: 13px;
            font-weight: 700;
            color: var(--text);
        }
        .testimonial-card .author-info .role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .accordion-custom .accordion-button {
            background: var(--surface);
            color: var(--text);
            font-weight: 700;
            font-size: 14px;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--surface);
            color: var(--text);
            border-bottom: 1px solid var(--border-light);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 2px var(--accent);
            outline: none;
        }
        .accordion-custom .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23111827'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
        }
        .accordion-custom .accordion-body {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 16px 20px;
        }

        /* CTA Form */
        .cta-panel {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(200, 255, 0, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-panel h2 {
            font-size: clamp(22px, 2.8vw, 30px);
            font-weight: 800;
            margin-bottom: 10px;
            color: #fff;
        }
        .cta-panel p {
            color: #B0B7C3;
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 500px;
        }
        .cta-form .form-control {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 14px;
            transition: all var(--transition);
        }
        .cta-form .form-control:focus {
            background: rgba(255, 255, 255, 0.14);
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(200, 255, 0, 0.3);
            outline: none;
            color: #fff;
        }
        .cta-form .form-control::placeholder {
            color: #9BA3AF;
        }
        .cta-form label {
            font-size: 12px;
            font-weight: 600;
            color: #B0B7C3;
            margin-bottom: 6px;
            display: block;
        }
        .btn-form-submit {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            padding: 12px 24px;
            border-radius: 8px;
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-form-submit:hover {
            background: var(--accent-hover);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 255, 0, 0.3);
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: #B0B7C3;
            padding: 56px 0 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        .site-footer .footer-desc {
            font-size: 13px;
            line-height: 1.8;
            color: #9BA3AF;
            max-width: 320px;
        }
        .site-footer h5 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            font-size: 13px;
            color: #9BA3AF;
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 36px;
            padding-top: 18px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: #6B7280;
        }
        .site-footer .footer-bottom a {
            color: #6B7280;
            transition: color var(--transition);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--primary);
                padding: 16px;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                border: 1px solid rgba(255, 255, 255, 0.08);
            }
            .navbar-nav {
                gap: 4px;
            }
            .nav-link {
                padding: 10px 12px !important;
            }
            .navbar .btn-cta {
                margin-top: 8px;
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-number {
                font-size: 30px;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --section-pad: 56px;
            }
            .section {
                padding: var(--section-pad) 0;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .cta-panel {
                padding: 28px 20px;
            }
            .tier-card {
                margin-bottom: 16px;
            }
            .page-header {
                padding: 32px 0 24px;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }
        @media (max-width: 519.98px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-number {
                font-size: 26px;
            }
            .stat-block {
                padding: 18px 10px;
            }
            .section-title {
                font-size: 22px;
            }
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
        }

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