/* roulang page: index */
:root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --bg-card: rgba(11, 60, 37, 0.7);
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --accent-red: #FF4444;
            --text-primary: #FFFDF0;
            --text-secondary: #C5E2D2;
            --text-muted: #8CAB9A;
            --border-gold: rgba(255, 204, 0, 0.4);
            --border-light: rgba(255, 253, 240, 0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 4px 20px rgba(255, 204, 0, 0.25);
            --transition-base: all 0.3s ease;
        }

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

        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button, .btn {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: inherit;
            transition: var(--transition-base);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            line-height: 1.2;
            max-width: 240px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
            position: relative;
            padding-bottom: 4px;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s ease;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .header-cta-group {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-light);
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .btn-signup {
            background: var(--accent-gold);
            color: #062315;
            padding: 9px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
        }

        .btn-signup:hover {
            background: #FFD700;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255, 204, 0, 0.4);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Sections General */
        section {
            padding: 60px 0;
        }

        .section-label {
            display: inline-block;
            background: rgba(255, 204, 0, 0.12);
            color: var(--accent-gold);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.65;
            margin-bottom: 32px;
        }

        /* Hero - Coupon Wall Style */
        .hero-section {
            padding: 30px 0 50px;
            position: relative;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11,60,37,0.7) 0%, rgba(6,35,21,0.9) 100%);
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-coupon-wall {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 36px;
            width: 100%;
            max-width: 900px;
        }

        .coupon-card {
            background: var(--bg-card);
            border: 2px dashed var(--border-gold);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            backdrop-filter: blur(8px);
            position: relative;
            transition: var(--transition-base);
        }

        .coupon-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(255, 204, 0, 0.2);
        }

        .coupon-card.featured {
            border: 2px solid var(--accent-gold);
            background: rgba(255, 204, 0, 0.08);
            transform: scale(1.05);
        }

        .coupon-card.featured:hover {
            transform: scale(1.07);
        }

        .coupon-badge {
            position: absolute;
            top: -12px;
            right: -12px;
            background: var(--accent-red);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 800;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .coupon-value {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1;
            margin-bottom: 8px;
        }

        .coupon-title {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
        }

        .coupon-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .btn-coupon {
            display: inline-block;
            background: var(--accent-gold);
            color: #062315;
            padding: 10px 24px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
        }

        .btn-coupon:hover {
            background: #FFD700;
            transform: translateY(-2px);
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #fff;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.6;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 24px;
            flex-wrap: wrap;
            justify-content: center;
        }

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

        .hero-stat-num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-gold);
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Product Screenshot Stage */
        .stage-showcase {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 32px;
        }

        .stage-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
        }

        .stage-card:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 8px 28px rgba(0,0,0,0.5);
            transform: translateY(-3px);
        }

        .stage-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .stage-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .stage-play-icon {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0,0,0,0.3);
            font-size: 2.5rem;
            color: #fff;
            opacity: 0;
            transition: var(--transition-base);
        }

        .stage-card:hover .stage-play-icon {
            opacity: 1;
        }

        .stage-info {
            padding: 20px;
        }

        .stage-info h3 {
            font-weight: 700;
            margin-bottom: 6px;
            font-size: 1.1rem;
        }

        .stage-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .stage-live-tag {
            background: var(--accent-red);
            color: #fff;
            font-size: 0.7rem;
            padding: 3px 10px;
            border-radius: 10px;
            font-weight: 700;
            animation: pulse-live 1.5s infinite;
        }

        @keyframes pulse-live {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }

        /* Three Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
            counter-reset: step;
        }

        .step-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid var(--border-light);
            position: relative;
            transition: var(--transition-base);
        }

        .step-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }

        .step-num {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(255, 204, 0, 0.15);
            position: absolute;
            top: 16px;
            right: 20px;
            line-height: 1;
        }

        .step-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .step-item h3 {
            font-weight: 700;
            margin-bottom: 8px;
            font-size: 1.15rem;
        }

        .step-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Review Wall */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
            margin-top: 32px;
        }

        .review-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
        }

        .review-card:hover {
            border-color: var(--accent-gold);
        }

        .review-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: #062315;
            font-size: 1.1rem;
        }

        .review-name {
            font-weight: 700;
        }

        .review-date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .review-stars {
            color: var(--accent-gold);
            margin-bottom: 8px;
        }

        .review-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .review-summary {
            text-align: center;
            margin-bottom: 28px;
        }

        .review-avg {
            font-size: 3rem;
            font-weight: 900;
            color: var(--accent-gold);
        }

        /* News List */
        .news-layout {
            display: flex;
            gap: 32px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .news-list-col {
            flex: 2;
            min-width: 280px;
        }

        .news-side-col {
            flex: 1;
            min-width: 250px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-light);
            height: fit-content;
        }

        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition-base);
            align-items: flex-start;
        }

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

        .news-item:hover {
            color: var(--accent-gold);
            padding-left: 8px;
        }

        .news-item-num {
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--accent-gold);
            min-width: 30px;
        }

        .news-item-content h4 {
            font-weight: 700;
            margin-bottom: 4px;
            font-size: 1rem;
        }

        .news-item-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .side-card-item {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition-base);
        }

        .side-card-item:last-child {
            border-bottom: none;
        }

        .side-card-item:hover {
            color: var(--accent-gold);
        }

        .side-card-item span {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: block;
        }

        /* FAQ Accordion */
        .faq-list {
            max-width: 800px;
            margin: 32px auto 0;
        }

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

        .faq-question {
            width: 100%;
            text-align: left;
            background: transparent;
            color: var(--text-primary);
            padding: 18px 20px;
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border: none;
            cursor: pointer;
        }

        .faq-answer {
            padding: 0 20px 18px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            display: none;
        }

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

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

        .faq-icon {
            transition: var(--transition-base);
            color: var(--accent-gold);
        }

        /* Membership Grid */
        .membership-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 28px;
        }

        .member-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
        }

        .member-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-3px);
        }

        .member-tier {
            font-weight: 900;
            font-size: 1.3rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .member-benefits {
            list-style: none;
            padding: 0;
            margin-bottom: 16px;
        }

        .member-benefits li {
            padding: 5px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .member-benefits li i {
            color: var(--accent-lime);
            margin-right: 6px;
        }

        /* Progress / Task Tracker */
        .progress-tracker {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px;
            border: 1px solid var(--border-light);
            max-width: 700px;
            margin: 28px auto 0;
        }

        .task-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-light);
        }

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

        .task-check {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .task-check.done {
            background: var(--accent-gold);
            color: #062315;
        }

        .task-label {
            flex: 1;
            font-weight: 600;
        }

        .task-reward {
            font-size: 0.85rem;
            color: var(--accent-gold);
            font-weight: 700;
        }

        /* Download / CTA Strip */
        .download-strip {
            background: linear-gradient(135deg, #0B3C25 0%, #062315 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 36px;
            text-align: center;
            margin-top: 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 24px;
        }

        .download-strip h3 {
            font-size: 1.4rem;
            font-weight: 800;
        }

        .btn-download {
            background: var(--accent-gold);
            color: #062315;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-gold);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-download:hover {
            background: #FFD700;
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: #051A0E;
            border-top: 1px solid var(--border-light);
            padding: 40px 0 24px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--accent-gold);
            font-size: 1rem;
        }

        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            padding: 4px 0;
        }

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

        .footer-bottom {
            text-align: center;
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
        }

        .fab-btn {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: #062315;
            border: 3px solid var(--accent-gold);
            color: var(--accent-gold);
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255,204,0,0.3);
            animation: fab-float 2.5s infinite ease-in-out;
            position: relative;
        }

        .fab-btn:hover {
            transform: scale(1.1);
            background: #0B3C25;
            box-shadow: 0 6px 28px rgba(255,204,0,0.5);
        }

        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            animation: blink-badge 1s infinite;
        }

        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        @keyframes blink-badge {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title { font-size: 2.2rem; }
            .section-title { font-size: 1.8rem; }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-toggle { display: block; }
            .header-cta-group { gap: 8px; }
            .btn-login, .btn-signup { padding: 7px 14px; font-size: 0.8rem; }
            .hero-title { font-size: 1.8rem; }
            .hero-coupon-wall { grid-template-columns: 1fr; }
            .coupon-card.featured { transform: scale(1); }
            .coupon-card.featured:hover { transform: scale(1.02); }
            .steps-grid { grid-template-columns: 1fr; }
            .news-layout { flex-direction: column; }
            .section-title { font-size: 1.5rem; }
            .hero-stats { gap: 16px; }
            .hero-stat-num { font-size: 1.5rem; }
            .download-strip { flex-direction: column; text-align: center; }
            .membership-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .hero-title { font-size: 1.5rem; }
            .hero-subtitle { font-size: 0.95rem; }
            .coupon-value { font-size: 1.8rem; }
            .membership-grid { grid-template-columns: 1fr; }
            .stage-showcase { grid-template-columns: 1fr; }
            .reviews-grid { grid-template-columns: 1fr; }
        }

/* roulang page: article */
:root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --bg-card: rgba(11, 60, 37, 0.7);
            --bg-card-solid: #0A3220;
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --accent-red: #FF4444;
            --text-primary: #FFFDF0;
            --text-secondary: #C5E2D2;
            --text-muted: #8CAB9A;
            --border-gold: rgba(255, 204, 0, 0.4);
            --border-light: rgba(255, 253, 240, 0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 4px 20px rgba(255, 204, 0, 0.25);
            --transition-base: all 0.3s ease;
        }

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

        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        .btn {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: inherit;
            transition: var(--transition-base);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            line-height: 1.2;
            max-width: 240px;
        }

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

        .logo-text a:hover {
            opacity: 0.9;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
            position: relative;
            padding-bottom: 4px;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s ease;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

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

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-light);
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .btn-signup {
            background: var(--accent-gold);
            color: #062315;
            padding: 9px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
            white-space: nowrap;
        }

        .btn-signup:hover {
            background: #FFD700;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255, 204, 0, 0.4);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Article Section */
        section {
            padding: 50px 0;
        }

        .article-header-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            padding: 60px 0;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            overflow: hidden;
        }

        .article-header-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 60, 37, 0.75) 0%, rgba(6, 35, 21, 0.92) 100%);
            z-index: 0;
        }

        .article-header-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
            text-align: left;
            padding: 0 20px;
        }

        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 204, 0, 0.15);
            color: var(--accent-gold);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 16px;
            border: 1px solid var(--border-gold);
        }

        .article-h1 {
            font-size: 2.5rem;
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            color: var(--text-muted);
            font-size: 0.9rem;
            align-items: center;
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--accent-gold);
            font-size: 0.85rem;
        }

        .article-body-section {
            padding: 40px 0 50px;
        }

        .article-body-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            align-items: start;
        }

        .article-main-content {
            background: var(--bg-card-solid);
            border-radius: var(--radius-md);
            padding: 36px;
            border: 1px solid var(--border-light);
            line-height: 1.75;
            font-size: 1.05rem;
            color: var(--text-secondary);
        }

        .article-main-content h2 {
            font-size: 1.65rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin: 28px 0 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid rgba(255, 204, 0, 0.2);
            line-height: 1.35;
        }

        .article-main-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 22px 0 10px;
            line-height: 1.4;
        }

        .article-main-content p {
            margin-bottom: 16px;
            text-align: justify;
        }

        .article-main-content ul,
        .article-main-content ol {
            margin: 14px 0 20px 24px;
        }

        .article-main-content li {
            margin-bottom: 8px;
        }

        .article-main-content strong {
            color: var(--accent-gold);
            font-weight: 700;
        }

        .article-main-content blockquote {
            background: rgba(255, 204, 0, 0.06);
            border-left: 4px solid var(--accent-gold);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-secondary);
        }

        .article-main-content .highlight-box {
            background: linear-gradient(135deg, rgba(255, 68, 68, 0.1), rgba(255, 204, 0, 0.05));
            border: 1px solid var(--accent-red);
            border-radius: var(--radius-sm);
            padding: 20px;
            margin: 20px 0;
        }

        .article-main-content img {
            border-radius: var(--radius-sm);
            margin: 20px 0;
            width: 100%;
        }

        .article-sidebar {
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

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

        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-light);
        }

        .sidebar-link-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 253, 240, 0.05);
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: var(--transition-base);
        }

        .sidebar-link-item:hover {
            color: var(--accent-gold);
            padding-left: 6px;
        }

        .sidebar-link-item:last-child {
            border-bottom: none;
        }

        .sidebar-link-item i {
            color: var(--accent-gold);
            font-size: 0.75rem;
            flex-shrink: 0;
        }

        .sidebar-banner-promo {
            background: linear-gradient(135deg, var(--accent-red), #CC0000);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            box-shadow: 0 6px 20px rgba(255, 68, 68, 0.3);
        }

        .sidebar-banner-promo h4 {
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .sidebar-banner-promo p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.85rem;
            margin-bottom: 14px;
            line-height: 1.5;
        }

        .sidebar-banner-promo .btn {
            background: #fff;
            color: var(--accent-red);
            font-weight: 700;
            padding: 10px 20px;
            border-radius: 24px;
            display: inline-block;
            font-size: 0.9rem;
        }

        .not-found-section {
            text-align: center;
            padding: 80px 20px;
        }

        .not-found-icon {
            font-size: 4rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
            opacity: 0.6;
        }

        .not-found-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .not-found-section p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .btn-return-home {
            display: inline-block;
            background: var(--accent-gold);
            color: #062315;
            font-weight: 700;
            padding: 12px 30px;
            border-radius: 24px;
            box-shadow: var(--shadow-gold);
        }

        .btn-return-home:hover {
            background: #FFD700;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 204, 0, 0.45);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(255, 204, 0, 0.08), rgba(50, 205, 50, 0.05));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            margin: 40px 0;
        }

        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .cta-section p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 24px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .btn-cta-large {
            display: inline-block;
            background: var(--accent-gold);
            color: #062315;
            font-weight: 800;
            padding: 14px 40px;
            border-radius: 30px;
            font-size: 1.05rem;
            box-shadow: var(--shadow-gold);
            letter-spacing: 0.5px;
        }

        .btn-cta-large:hover {
            background: #FFD700;
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255, 204, 0, 0.5);
        }

        /* Footer */
        .site-footer {
            background: rgba(6, 35, 21, 0.95);
            border-top: 2px solid var(--border-gold);
            padding: 50px 0 30px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            padding: 6px 0;
            transition: var(--transition-base);
        }

        .footer-col a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* FAB */
        .floating-fab {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 90;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #FFCC00, #B8860B);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255, 204, 0, 0.35);
            cursor: pointer;
            transition: var(--transition-base);
            border: 2px solid rgba(255, 215, 0, 0.6);
            font-size: 1.4rem;
            color: #062315;
        }

        .floating-fab:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 204, 0, 0.6);
            animation: fabPulse 1.2s ease-in-out infinite;
        }

        @keyframes fabPulse {
            0%,
            100% {
                box-shadow: 0 4px 20px rgba(255, 204, 0, 0.35);
            }
            50% {
                box-shadow: 0 6px 30px rgba(255, 204, 0, 0.7);
            }
        }

        .fab-notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #fff;
            animation: blink 1.4s ease-in-out infinite;
        }

        @keyframes blink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-body-wrapper {
                grid-template-columns: 1fr 260px;
                gap: 28px;
            }
            .article-h1 {
                font-size: 2rem;
            }
            .nav-links {
                gap: 18px;
            }
            .nav-links a {
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(6, 35, 21, 0.98);
                backdrop-filter: blur(20px);
                padding: 20px;
                border-bottom: 2px solid var(--border-gold);
                gap: 14px;
            }
            .nav-links.mobile-open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .article-body-wrapper {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                position: static;
            }
            .article-h1 {
                font-size: 1.7rem;
            }
            .article-main-content {
                padding: 24px;
                font-size: 0.95rem;
            }
            .article-header-banner {
                padding: 40px 0;
            }
            section {
                padding: 35px 0;
            }
            .header-cta-group {
                gap: 8px;
            }
            .btn-login,
            .btn-signup {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .logo-text {
                font-size: 1rem;
                max-width: 180px;
            }
            .cta-section {
                padding: 30px 24px;
                margin: 24px 0;
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .article-h1 {
                font-size: 1.45rem;
            }
            .article-main-content {
                padding: 18px;
                font-size: 0.9rem;
            }
            .article-main-content h2 {
                font-size: 1.3rem;
            }
            .article-main-content h3 {
                font-size: 1.1rem;
            }
            .header-cta-group {
                gap: 5px;
            }
            .btn-login {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .btn-signup {
                padding: 7px 14px;
                font-size: 0.75rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .floating-fab {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --bg-card: rgba(11, 60, 37, 0.7);
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --accent-red: #FF4444;
            --text-primary: #FFFDF0;
            --text-secondary: #C5E2D2;
            --text-muted: #8CAB9A;
            --border-gold: rgba(255, 204, 0, 0.4);
            --border-light: rgba(255, 253, 240, 0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 4px 20px rgba(255, 204, 0, 0.25);
            --transition-base: all 0.3s ease;
        }

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

        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        .btn {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: inherit;
            transition: var(--transition-base);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            line-height: 1.2;
            max-width: 240px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
            position: relative;
            padding-bottom: 4px;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s ease;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .header-cta-group {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-light);
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .btn-signup {
            background: var(--accent-gold);
            color: #062315;
            padding: 9px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
        }

        .btn-signup:hover {
            background: #FFD700;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255, 204, 0, 0.4);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Sections General */
        section {
            padding: 60px 0;
        }

        .section-label {
            display: inline-block;
            background: rgba(255, 204, 0, 0.12);
            color: var(--accent-gold);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.65;
            margin-bottom: 32px;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            padding: 50px 0;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 60, 37, 0.85) 0%, rgba(6, 35, 21, 0.95) 100%);
            z-index: 0;
        }

        .page-banner-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .page-banner p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Pain Point Block */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 24px;
        }

        .pain-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px;
            backdrop-filter: blur(12px);
            transition: var(--transition-base);
        }

        .pain-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }

        .pain-icon {
            font-size: 2rem;
            color: var(--accent-red);
            margin-bottom: 16px;
        }

        .pain-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .pain-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Solution Block */
        .solution-steps {
            display: flex;
            flex-direction: column;
            gap: 32px;
            margin-top: 32px;
            max-width: 900px;
        }

        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: var(--accent-gold);
            color: #062315;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
        }

        .step-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .step-body p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Results Block */
        .results-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 32px;
        }

        .result-stat {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            backdrop-filter: blur(12px);
        }

        .result-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
        }

        .result-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        /* Testimonial Block */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
            margin-top: 32px;
        }

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px;
            backdrop-filter: blur(12px);
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 16px;
            left: 20px;
            font-size: 4rem;
            color: var(--accent-gold);
            opacity: 0.25;
            line-height: 1;
            font-family: serif;
        }

        .testimonial-text {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            padding-top: 20px;
        }

        .testimonial-author {
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 0.95rem;
        }

        .testimonial-role {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* CTA Block */
        .cta-section {
            background: linear-gradient(135deg, rgba(255, 204, 0, 0.08) 0%, rgba(50, 205, 50, 0.05) 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 50px 30px;
            text-align: center;
            margin: 40px 0;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-primary {
            display: inline-block;
            background: var(--accent-gold);
            color: #062315;
            padding: 14px 36px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-gold);
            transition: var(--transition-base);
        }

        .btn-cta-primary:hover {
            background: #FFD700;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 204, 0, 0.45);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 32px auto 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--accent-gold);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--accent-gold);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

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

        /* Footer */
        .site-footer {
            background: rgba(6, 35, 21, 0.95);
            border-top: 1px solid var(--border-light);
            padding: 48px 0 24px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 8px;
            transition: var(--transition-base);
        }

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

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 18px;
            }
            .nav-links a {
                font-size: 0.85rem;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(6, 35, 21, 0.98);
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid var(--border-light);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .header-cta-group .btn-login,
            .header-cta-group .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .solution-steps {
                gap: 20px;
            }
            .step-item {
                flex-direction: column;
                gap: 12px;
                align-items: flex-start;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                gap: 12px;
            }
            .logo-text {
                font-size: 1rem;
                max-width: 160px;
            }
            .header-cta-group {
                gap: 8px;
            }
            .page-banner {
                padding: 32px 0;
            }
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .page-banner p {
                font-size: 0.9rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .pain-grid {
                grid-template-columns: 1fr;
            }
            section {
                padding: 40px 0;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --bg-card: rgba(11, 60, 37, 0.7);
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --accent-red: #FF4444;
            --text-primary: #FFFDF0;
            --text-secondary: #C5E2D2;
            --text-muted: #8CAB9A;
            --border-gold: rgba(255, 204, 0, 0.4);
            --border-light: rgba(255, 253, 240, 0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 4px 20px rgba(255, 204, 0, 0.25);
            --transition-base: all 0.3s ease;
        }

        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            margin: 0;
            padding: 0;
        }

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

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

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

        button,
        .btn {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: inherit;
            transition: var(--transition-base);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            line-height: 1.2;
            max-width: 240px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
            position: relative;
            padding-bottom: 4px;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s ease;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

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

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-light);
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .btn-signup {
            background: var(--accent-gold);
            color: #062315;
            padding: 9px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
        }

        .btn-signup:hover {
            background: #FFD700;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255, 204, 0, 0.4);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Sections General */
        section {
            padding: 60px 0;
        }

        .section-label {
            display: inline-block;
            background: rgba(255, 204, 0, 0.12);
            color: var(--accent-gold);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.65;
            margin-bottom: 32px;
        }

        /* Hero - Coupon Wall Style */
        .hero-section {
            padding: 30px 0 50px;
            position: relative;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.3;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 60, 37, 0.7) 0%, rgba(6, 35, 21, 0.95) 100%);
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            font-weight: 800;
            font-size: 0.9rem;
            padding: 8px 20px;
            border-radius: 24px;
            margin-bottom: 20px;
            animation: pulse-badge 1.8s infinite;
            letter-spacing: 0.5px;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.04);
            }
        }

        .hero-coupon-wall {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 40px;
            width: 100%;
            max-width: 900px;
        }

        .coupon-card {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 24px 16px;
            text-align: center;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .coupon-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }

        .coupon-card .tag-hot {
            position: absolute;
            top: 10px;
            right: 10px;
            background: var(--accent-red);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 800;
            padding: 3px 10px;
            border-radius: 12px;
            letter-spacing: 0.5px;
        }

        .coupon-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 8px 0;
            color: var(--text-primary);
        }

        .coupon-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .btn-watch-now {
            background: var(--accent-gold);
            color: #062315;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 24px;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            box-shadow: var(--shadow-gold);
        }

        .btn-watch-now:hover {
            background: #FFD700;
            transform: translateY(-2px);
        }

        /* Pain Points Section */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 24px;
            margin-top: 32px;
        }

        .pain-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            transition: var(--transition-base);
            border-left: 4px solid var(--accent-red);
        }

        .pain-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card);
        }

        .pain-item i {
            font-size: 2rem;
            color: var(--accent-red);
            margin-bottom: 12px;
            display: block;
        }

        .pain-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .pain-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Solution Section */
        .solution-list {
            list-style: none;
            padding: 0;
            margin: 32px 0;
            display: grid;
            gap: 16px;
        }

        .solution-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: var(--bg-card);
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
        }

        .solution-list li:hover {
            border-color: var(--accent-lime);
            background: rgba(50, 205, 50, 0.05);
        }

        .solution-list i {
            color: var(--accent-lime);
            font-size: 1.4rem;
            margin-top: 2px;
            flex-shrink: 0;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 32px;
        }

        .testimonial-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-light);
            position: relative;
        }

        .testimonial-card .quote-icon {
            font-size: 2.5rem;
            color: var(--accent-gold);
            opacity: 0.4;
            position: absolute;
            top: 12px;
            right: 16px;
        }

        .testimonial-card p {
            font-style: italic;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .testimonial-card .author {
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 0.95rem;
        }

        .testimonial-card .role {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 32px auto 0;
            display: grid;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item summary {
            padding: 18px 24px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
            font-size: 1rem;
            list-style: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary i {
            transition: transform 0.3s ease;
            color: var(--accent-gold);
        }

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

        .faq-item .faq-body {
            padding: 0 24px 18px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .faq-item:hover {
            border-color: var(--accent-gold);
        }

        /* CTA */
        .cta-section {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 50px 30px;
            text-align: center;
            margin: 40px auto;
            max-width: 800px;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .btn-cta-big {
            background: var(--accent-red);
            color: #fff;
            padding: 14px 40px;
            border-radius: 32px;
            font-weight: 800;
            font-size: 1.1rem;
            box-shadow: 0 4px 20px rgba(255, 68, 68, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-cta-big:hover {
            background: #FF2222;
            transform: translateY(-2px);
            box-shadow: 0 6px 28px rgba(255, 68, 68, 0.6);
        }

        /* Footer */
        .site-footer {
            background: #041f10;
            border-top: 2px solid var(--border-gold);
            padding: 50px 0 30px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-col h4 {
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            font-size: 1rem;
        }

        .footer-col a,
        .footer-col p {
            display: block;
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 8px;
            line-height: 1.5;
            transition: var(--transition-base);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        /* Left FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            background: var(--bg-card);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(255, 204, 0, 0.3);
            cursor: pointer;
            transition: var(--transition-base);
            animation: float-fab 3s ease-in-out infinite;
        }

        @keyframes float-fab {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }

        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 204, 0, 0.5);
            background: var(--accent-gold);
            color: #062315;
        }

        .fab-left .notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #062315;
            animation: blink-dot 1.2s infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 16px;
                font-size: 0.85rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .hero-coupon-wall {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .hero-coupon-wall {
                grid-template-columns: 1fr;
            }
            .header-cta-group .btn-login,
            .header-cta-group .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .logo-text {
                font-size: 1rem;
                max-width: 180px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .pain-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 10px;
            }
            .nav-links {
                gap: 10px;
                font-size: 0.8rem;
                order: 3;
                width: 100%;
                justify-content: center;
            }
            .header-cta-group {
                gap: 6px;
            }
            section {
                padding: 40px 0;
            }
            .cta-section {
                padding: 30px 16px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --bg-card: rgba(11, 60, 37, 0.7);
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --accent-red: #FF4444;
            --text-primary: #FFFDF0;
            --text-secondary: #C5E2D2;
            --text-muted: #8CAB9A;
            --border-gold: rgba(255, 204, 0, 0.4);
            --border-light: rgba(255, 253, 240, 0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 4px 20px rgba(255, 204, 0, 0.25);
            --transition-base: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        *, *::before, *::after {
            box-sizing: inherit;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        button, .btn {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: inherit;
            transition: var(--transition-base);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            line-height: 1.2;
            max-width: 260px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
            position: relative;
            padding-bottom: 4px;
            white-space: nowrap;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s ease;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .header-cta-group {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-light);
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }
        .btn-signup {
            background: var(--accent-gold);
            color: #062315;
            padding: 9px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
        }
        .btn-signup:hover {
            background: #FFD700;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255, 204, 0, 0.4);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }
        section {
            padding: 60px 0;
        }
        .section-label {
            display: inline-block;
            background: rgba(255, 204, 0, 0.12);
            color: var(--accent-gold);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.65;
            margin-bottom: 32px;
        }
        .btn-gold {
            display: inline-block;
            background: var(--accent-gold);
            color: #062315;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
        }
        .btn-gold:hover {
            background: #FFD700;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 204, 0, 0.45);
        }
        .btn-outline {
            display: inline-block;
            background: transparent;
            color: var(--accent-gold);
            border: 2px solid var(--accent-gold);
            padding: 10px 26px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        .btn-outline:hover {
            background: rgba(255, 204, 0, 0.15);
            transform: translateY(-2px);
        }
        .card-base {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all 0.35s ease;
        }
        .card-base:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(0,0,0,0.5);
            border-color: var(--accent-gold);
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            color: var(--text-primary);
            background: transparent;
            width: 100%;
            text-align: left;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 24px 20px;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-arrow {
            transition: transform 0.3s ease;
            color: var(--accent-gold);
            font-size: 1.1rem;
        }
        .site-footer {
            background: #041A10;
            border-top: 1px solid var(--border-light);
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: var(--accent-gold);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col a, .footer-col p {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            color: var(--text-muted);
            font-size: 0.85rem;
            text-align: center;
        }
        /* FAB - Classic Gold (Style H) */
        .fab-btn {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 52px;
            height: 52px;
            background: radial-gradient(circle at 30% 30%, #3a2e0a, #1a1400);
            border: 2px solid #FFCC00;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255, 204, 0, 0.35);
            cursor: pointer;
            opacity: 0.75;
            transition: all 0.3s ease;
            animation: float 3s ease-in-out infinite;
        }
        .fab-btn:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 204, 0, 0.6);
        }
        .fab-btn i {
            color: #FFCC00;
            font-size: 1.6rem;
        }
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.3;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11,60,37,0.75) 0%, rgba(6,35,21,0.95) 100%);
            z-index: 0;
        }
        @media (max-width: 1024px) {
            .section-title { font-size: 1.8rem; }
            .nav-links { gap: 18px; }
            .logo-text { font-size: 1.1rem; max-width: 200px; }
        }
        @media (max-width: 768px) {
            .mobile-toggle { display: block; }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(6, 35, 21, 0.98);
                flex-direction: column;
                padding: 16px 20px;
                gap: 12px;
                border-bottom: 1px solid var(--border-light);
                z-index: 99;
            }
            .nav-links.open { display: flex; }
            .header-cta-group { gap: 8px; }
            .btn-login, .btn-signup { padding: 7px 16px; font-size: 0.8rem; }
            .header-inner { flex-wrap: wrap; }
            section { padding: 40px 0; }
        }
        @media (max-width: 520px) {
            .logo-text { font-size: 1rem; max-width: 180px; }
            .section-title { font-size: 1.5rem; }
        }
        .creator-header {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
        }
        .creator-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            overflow: hidden;
            border: 3px solid var(--accent-gold);
            box-shadow: 0 0 16px rgba(255,204,0,0.3);
        }
        .creator-stats {
            display: flex;
            gap: 20px;
            margin-top: 8px;
        }
        .stat-item {
            text-align: center;
            background: rgba(255,255,255,0.08);
            padding: 8px 14px;
            border-radius: 20px;
        }
        .stat-value {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--accent-gold);
        }
        .stat-label {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .pain-box {
            background: rgba(255, 68, 68, 0.08);
            border-left: 4px solid var(--accent-red);
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
        }
        .check-list {
            list-style: none;
            padding: 0;
        }
        .check-list li {
            padding: 8px 0 8px 28px;
            position: relative;
            color: var(--text-secondary);
        }
        .check-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--accent-lime);
            position: absolute;
            left: 0;
            top: 8px;
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --bg-card: rgba(11, 60, 37, 0.7);
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --accent-red: #FF4444;
            --text-primary: #FFFDF0;
            --text-secondary: #C5E2D2;
            --text-muted: #8CAB9A;
            --border-gold: rgba(255, 204, 0, 0.4);
            --border-light: rgba(255, 253, 240, 0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 4px 20px rgba(255, 204, 0, 0.25);
            --transition-base: all 0.3s ease;
        }

        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        button, .btn {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: inherit;
            transition: var(--transition-base);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            line-height: 1.2;
            max-width: 240px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
            position: relative;
            padding-bottom: 4px;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s ease;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .header-cta-group {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-light);
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }
        .btn-signup {
            background: var(--accent-gold);
            color: #062315;
            padding: 9px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
        }
        .btn-signup:hover {
            background: #FFD700;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255, 204, 0, 0.4);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Sections */
        section {
            padding: 60px 0;
        }
        .section-label {
            display: inline-block;
            background: rgba(255, 204, 0, 0.12);
            color: var(--accent-gold);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.65;
            margin-bottom: 32px;
        }

        /* Hero */
        .hero-section {
            padding: 30px 0 50px;
            position: relative;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11,60,37,0.75) 0%, rgba(6,35,21,0.92) 100%);
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 68, 68, 0.15);
            border: 1px solid rgba(255, 68, 68, 0.4);
            color: var(--accent-red);
            font-weight: 700;
            padding: 8px 20px;
            border-radius: 24px;
            font-size: 0.9rem;
            margin-bottom: 20px;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 20px;
            color: var(--text-primary);
            max-width: 800px;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 650px;
        }
        .countdown-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            background: rgba(0,0,0,0.5);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 20px 36px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .cd-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 60px;
        }
        .cd-num {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1;
        }
        .cd-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-top: 4px;
        }
        .cd-separator {
            font-size: 1.8rem;
            color: var(--accent-gold);
            font-weight: 700;
        }
        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-cta-primary {
            background: var(--accent-gold);
            color: #062315;
            font-weight: 800;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 28px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: var(--shadow-gold);
        }
        .btn-cta-primary:hover {
            background: #FFD700;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 204, 0, 0.45);
        }
        .btn-cta-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 2px solid var(--border-gold);
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 28px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-cta-secondary:hover {
            background: rgba(255,204,0,0.08);
            border-color: var(--accent-gold);
        }

        /* Tips Grid */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
            margin-top: 40px;
        }
        .tip-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px;
            backdrop-filter: blur(8px);
            transition: var(--transition-base);
        }
        .tip-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        .tip-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(255,204,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
        }
        .tip-card h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .tip-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Checklist */
        .checklist-section {
            background: rgba(0,0,0,0.3);
            border-radius: var(--radius-lg);
            padding: 48px;
            margin-top: 40px;
            border: 1px solid var(--border-light);
        }
        .checklist {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }
        .checklist li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            font-size: 1rem;
            color: var(--text-secondary);
            padding: 16px;
            background: rgba(255,204,0,0.04);
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
        }
        .checklist li:hover {
            background: rgba(255,204,0,0.08);
        }
        .check-icon {
            color: var(--accent-lime);
            font-size: 1.3rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* Story Flow */
        .story-block {
            display: flex;
            align-items: center;
            gap: 48px;
            margin: 48px 0;
            flex-wrap: wrap;
        }
        .story-text {
            flex: 1;
            min-width: 280px;
        }
        .story-text h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .story-text p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .story-visual {
            flex: 1;
            min-width: 280px;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .story-visual img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* FAQ */
        .faq-section {
            max-width: 800px;
            margin: 40px auto 0;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--accent-gold);
        }
        .faq-question {
            width: 100%;
            background: none;
            color: var(--text-primary);
            padding: 20px 24px;
            font-size: 1.05rem;
            font-weight: 700;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .faq-question i {
            color: var(--accent-gold);
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.65;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, rgba(255,204,0,0.1), rgba(50,205,50,0.08));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 48px 36px;
            text-align: center;
            margin-top: 48px;
        }
        .cta-banner h3 {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .cta-banner p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-light);
            padding: 48px 0 28px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 10px;
            transition: var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 80px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, #062315, #0B3C25);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-gold);
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255,204,0,0.3);
            transition: var(--transition-base);
            opacity: 0.7;
            animation: float-fab 3s infinite ease-in-out;
        }
        @keyframes float-fab {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255,204,0,0.5);
        }
        .fab-left:active {
            transform: scale(0.95);
        }
        .fab-notif {
            position: absolute;
            top: 4px;
            right: 6px;
            width: 12px;
            height: 12px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #062315;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 18px;
            }
            .nav-links a {
                font-size: 0.85rem;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .checklist-section {
                padding: 28px;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 75%;
                max-width: 320px;
                height: 100vh;
                background: rgba(6, 35, 21, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                padding: 80px 28px 28px;
                gap: 20px;
                transition: right 0.35s ease;
                z-index: 99;
                border-left: 1px solid var(--border-light);
            }
            .nav-links.open {
                right: 0;
            }
            .header-cta-group {
                gap: 8px;
            }
            .btn-login, .btn-signup {
                padding: 7px 16px;
                font-size: 0.8rem;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .countdown-bar {
                gap: 12px;
                padding: 16px 20px;
            }
            .cd-num {
                font-size: 1.6rem;
            }
            .story-block {
                flex-direction: column;
                gap: 24px;
            }
            .tip-card {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .btn-cta-primary, .btn-cta-secondary {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .checklist {
                grid-template-columns: 1fr;
            }
            .countdown-bar {
                flex-wrap: wrap;
                justify-content: center;
            }
            .fab-left {
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
                left: 10px;
                bottom: 70px;
            }
        }