/* roulang page: index */
:root {
            --bg-deep: #0B3C25;
            --bg-forest: #062315;
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --text-warm: #FFFDF0;
            --text-light: #C5E2D2;
            --border-soft: rgba(255, 204, 0, 0.25);
            --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.35);
            --radius-md: 14px;
            --radius-lg: 22px;
            --spacing-section: 5rem;
            --transition-base: all 0.3s ease;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-deep);
            color: var(--text-warm);
            line-height: 1.6;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent-gold);
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent-lime);
            text-decoration: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .section-pad {
            padding: var(--spacing-section) 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 0.5rem;
        }
        .section-sub {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 760px;
            margin-bottom: 2.5rem;
        }
        .badge-live {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 204, 0, 0.15);
            border: 1px solid var(--border-soft);
            padding: 0.4rem 1rem;
            border-radius: 50px;
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.9rem;
        }
        .badge-live .dot {
            width: 8px;
            height: 8px;
            background: var(--accent-lime);
            border-radius: 50%;
            animation: pulse-dot 1.5s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.4); }
        }
        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-soft);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 1.5rem;
        }
        .brand-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .brand-logo span {
            color: var(--accent-lime);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-warm);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            padding: 0.7rem 1.5rem;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            font-size: 0.95rem;
            text-decoration: none;
        }
        .btn-login {
            background: transparent;
            color: var(--text-warm);
            border: 1px solid var(--border-soft);
        }
        .btn-login:hover {
            background: rgba(255, 204, 0, 0.1);
            color: var(--accent-gold);
        }
        .btn-signup {
            background: var(--accent-gold);
            color: var(--bg-forest);
            font-weight: 700;
            box-shadow: 0 4px 14px rgba(255, 204, 0, 0.35);
        }
        .btn-signup:hover {
            background: var(--accent-lime);
            color: var(--bg-forest);
            transform: translateY(-2px);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-soft);
            color: var(--accent-gold);
            font-size: 1.5rem;
            padding: 0.4rem 0.8rem;
            border-radius: 8px;
        }
        /* Hero */
        .hero-section {
            background: linear-gradient(135deg, var(--bg-forest) 0%, var(--bg-deep) 100%);
            padding: 5rem 0 4rem;
            position: relative;
            overflow: hidden;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 204, 0, 0.12), transparent 70%);
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: 2rem;
            max-width: 540px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .btn-primary-large {
            background: var(--accent-gold);
            color: var(--bg-forest);
            font-size: 1.1rem;
            font-weight: 700;
            padding: 1rem 2.2rem;
            border-radius: 50px;
            box-shadow: 0 6px 20px rgba(255, 204, 0, 0.4);
        }
        .btn-primary-large:hover {
            background: var(--accent-lime);
            transform: translateY(-3px);
            color: var(--bg-forest);
        }
        .btn-outline-large {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-size: 1.1rem;
            font-weight: 600;
            padding: 1rem 2.2rem;
            border-radius: 50px;
        }
        .btn-outline-large:hover {
            background: rgba(255, 204, 0, 0.1);
            color: var(--accent-gold);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-lime);
        }
        .hero-stat .label {
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .hero-visual {
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            min-height: 420px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-soft);
            position: relative;
            overflow: hidden;
        }
        .hero-visual::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6,35,21,0.2) 0%, rgba(6,35,21,0.8) 100%);
        }
        .hero-overlay-card {
            position: absolute;
            bottom: 1.5rem;
            left: 1.5rem;
            right: 1.5rem;
            background: rgba(6, 35, 21, 0.85);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            color: var(--text-warm);
        }
        .hero-overlay-card h3 {
            font-size: 1.3rem;
            color: var(--accent-gold);
            margin-bottom: 0.5rem;
        }
        .hero-overlay-card p {
            font-size: 0.95rem;
            color: var(--text-light);
        }
        /* Live Stream Preview */
        .live-preview-section {
            background: var(--bg-forest);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }
        .live-preview-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        .live-poster {
            background: url('/assets/images/coverpic/cover-2.jpg') center/cover no-repeat;
            min-height: 320px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-soft);
        }
        .live-info .countdown-box {
            display: flex;
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .countdown-item {
            background: rgba(255, 204, 0, 0.1);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 1rem;
            text-align: center;
            min-width: 70px;
        }
        .countdown-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
        }
        .countdown-item .label {
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .live-points {
            list-style: none;
            margin-top: 1.5rem;
        }
        .live-points li {
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(255, 204, 0, 0.1);
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .live-points li i {
            color: var(--accent-gold);
        }
        /* Feature Three */
        .feature-three-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .feature-card {
            background: rgba(6, 35, 21, 0.7);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 2rem;
            transition: var(--transition-base);
        }
        .feature-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-6px);
            box-shadow: 0 12px 28px rgba(0,0,0,0.4);
        }
        .feature-icon {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .feature-card h3 {
            font-size: 1.4rem;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }
        .feature-card p {
            color: var(--text-light);
            font-size: 0.95rem;
        }
        /* Festive Campaign */
        .festive-campaign {
            background: linear-gradient(135deg, #8B0000 0%, #4A0007 100%);
            border-radius: var(--radius-lg);
            border: 1px solid var(--accent-gold);
            padding: 3rem 2.5rem;
            box-shadow: var(--shadow-soft);
            position: relative;
            overflow: hidden;
        }
        .festive-campaign::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.25), transparent 70%);
            pointer-events: none;
        }
        .festive-campaign h2 {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .festive-campaign p {
            color: #FFFDF9;
            max-width: 700px;
            margin-bottom: 1.5rem;
        }
        .campaign-gifts {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .gift-tag {
            background: rgba(255, 204, 0, 0.15);
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 0.5rem 1.2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        /* Content List */
        .content-list-section {
            background: rgba(6, 35, 21, 0.5);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: start;
        }
        .content-list {
            list-style: none;
        }
        .content-list li {
            display: flex;
            gap: 1rem;
            padding: 1.25rem 0;
            border-bottom: 1px solid rgba(255, 204, 0, 0.1);
            align-items: flex-start;
        }
        .content-list .num-badge {
            background: var(--accent-gold);
            color: var(--bg-forest);
            font-weight: 700;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .content-list h4 {
            font-size: 1.1rem;
            margin-bottom: 0.3rem;
        }
        .content-list h4 a {
            color: var(--text-warm);
        }
        .content-list h4 a:hover {
            color: var(--accent-gold);
        }
        .content-list .meta {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .recommend-side {
            background: rgba(6, 35, 21, 0.8);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-soft);
        }
        .recommend-side h3 {
            font-size: 1.4rem;
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
        }
        .recommend-item {
            display: flex;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid rgba(255, 204, 0, 0.1);
        }
        .recommend-item img {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: 8px;
        }
        .recommend-item h5 {
            font-size: 1rem;
            margin-bottom: 0.3rem;
        }
        .recommend-item h5 a {
            color: var(--text-warm);
        }
        .recommend-item .meta {
            font-size: 0.8rem;
            color: var(--text-light);
        }
        /* FAQ */
        .faq-list {
            max-width: 820px;
        }
        .faq-item {
            background: rgba(6, 35, 21, 0.6);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            overflow: hidden;
        }
        .faq-question {
            padding: 1.25rem 1.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.05rem;
        }
        .faq-question i {
            transition: var(--transition-base);
        }
        .faq-answer {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-light);
            font-size: 0.95rem;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        /* Security */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .security-item {
            text-align: center;
            padding: 1.5rem;
            background: rgba(6, 35, 21, 0.5);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
        }
        .security-item i {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }
        .security-item h4 {
            font-size: 1rem;
            color: var(--text-warm);
            margin-bottom: 0.4rem;
        }
        .security-item p {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        /* App */
        .app-section {
            background: var(--bg-forest);
        }
        .app-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .app-visual {
            background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            min-height: 380px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-soft);
        }
        .app-download-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .btn-download {
            background: var(--accent-gold);
            color: var(--bg-forest);
            font-weight: 700;
            padding: 0.9rem 1.8rem;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .btn-download:hover {
            background: var(--accent-lime);
            color: var(--bg-forest);
            transform: translateY(-2px);
        }
        /* Floating CTA Bar */
        .floating-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(6, 35, 21, 0.95);
            backdrop-filter: blur(10px);
            border-top: 1px solid var(--border-soft);
            padding: 0.9rem 1.5rem;
            z-index: 99;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .floating-cta-bar .text {
            font-weight: 600;
            color: var(--text-warm);
            font-size: 0.95rem;
        }
        .floating-cta-bar .text strong {
            color: var(--accent-gold);
        }
        /* FAB */
        .fab-support {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 98;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-forest);
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 204, 0, 0.3);
            animation: fab-float 3s infinite;
            transition: var(--transition-base);
            opacity: 0.7;
        }
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
        }
        .fab-support .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid var(--bg-forest);
            animation: pulse-dot 1.5s infinite;
        }
        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        /* Footer */
        .site-footer {
            background: var(--bg-forest);
            border-top: 1px solid var(--border-soft);
            padding: 3rem 0 2rem;
            margin-bottom: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .footer-desc {
            color: var(--text-light);
            font-size: 0.9rem;
            max-width: 300px;
        }
        .footer-col h5 {
            font-size: 1rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul a {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .footer-col ul a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 204, 0, 0.1);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid, .live-preview-grid, .app-grid, .content-grid {
                grid-template-columns: 1fr;
            }
            .feature-three-grid {
                grid-template-columns: 1fr 1fr;
            }
            .security-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(6, 35, 21, 0.98);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1.25rem;
                border-bottom: 1px solid var(--border-soft);
            }
            .nav-links.mobile-open {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .feature-three-grid {
                grid-template-columns: 1fr;
            }
            .security-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .section-pad {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .hero-content h1 {
                font-size: 1.9rem;
            }
            .festive-campaign {
                padding: 2rem 1.5rem;
            }
            .floating-cta-bar {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
                padding: 0.8rem;
            }
            .fab-support {
                bottom: 9rem;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .hero-section {
                padding: 3rem 0 2.5rem;
            }
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .btn-primary-large, .btn-outline-large {
                padding: 0.8rem 1.5rem;
                font-size: 0.95rem;
            }
            .countdown-box {
                flex-wrap: wrap;
            }
            .content-list li {
                flex-direction: column;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #0B3C25;
            --secondary-bg: #062315;
            --accent-yellow: #FFCC00;
            --accent-lime: #32CD32;
            --text-primary: #FFFDF0;
            --text-secondary: #C5E2D2;
            --border-soft: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(255, 204, 0, 0.35);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.25);
            --shadow-glow: 0 0 24px rgba(255, 204, 0, 0.15);
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--accent-yellow);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-header {
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(6, 35, 21, 0.98);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            padding-bottom: 14px;
            gap: 20px;
        }

        .brand-logo {
            font-weight: 900;
            font-size: 1.4rem;
            color: #fff;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
        }

        .nav-links a {
            display: block;
            padding: 8px 16px;
            border-radius: 50px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.92rem;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            background: rgba(255, 204, 0, 0.12);
            color: var(--accent-yellow);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.88rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.2;
            letter-spacing: 0.01em;
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

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

        .btn-signup {
            background: linear-gradient(135deg, #FFCC00, #FFB300);
            color: #1A1A1A;
            box-shadow: 0 4px 16px rgba(255, 204, 0, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 204, 0, 0.45);
            color: #1A1A1A;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
        }

        .article-hero {
            padding: 56px 0 32px;
            background: radial-gradient(ellipse at 30% 20%, rgba(255, 204, 0, 0.08), transparent 60%),
                radial-gradient(ellipse at 80% 80%, rgba(50, 205, 50, 0.06), transparent 55%);
        }

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

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

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

        .breadcrumb .sep {
            opacity: 0.5;
        }

        .article-title {
            font-size: 2.4rem;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 16px;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 28px;
        }

        .article-meta i {
            color: var(--accent-yellow);
            margin-right: 6px;
        }

        .article-featured-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 32px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
        }

        .article-featured-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/8;
        }

        .article-body {
            padding: 40px 0 56px;
        }

        .article-content-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            margin: 32px 0 16px;
            letter-spacing: -0.01em;
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-yellow);
            margin: 24px 0 12px;
        }

        .article-content p {
            margin-bottom: 18px;
        }

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

        .article-content li {
            margin-bottom: 10px;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-card);
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent-yellow);
            padding: 16px 24px;
            margin: 24px 0;
            background: rgba(255, 204, 0, 0.06);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: #fff;
            font-size: 1.1rem;
        }

        .article-not-found {
            text-align: center;
            padding: 60px 20px;
        }

        .article-not-found h2 {
            font-size: 1.8rem;
            margin-bottom: 16px;
        }

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

        .article-cta-box {
            margin-top: 40px;
            padding: 32px;
            background: linear-gradient(135deg, rgba(255, 204, 0, 0.08), rgba(50, 205, 50, 0.08));
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-gold);
            text-align: center;
        }

        .article-cta-box h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: #fff;
        }

        .article-cta-box p {
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .btn-gold {
            background: linear-gradient(135deg, #FFCC00, #FFB300);
            color: #1A1A1A;
            padding: 14px 32px;
            font-size: 1rem;
            border-radius: 50px;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 8px 24px rgba(255, 204, 0, 0.4);
        }

        .btn-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255, 204, 0, 0.5);
            color: #1A1A1A;
        }

        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-soft);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-weight: 900;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.6;
        }

        .footer-col h5 {
            color: var(--accent-yellow);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

        .footer-col li {
            margin-bottom: 10px;
        }

        .footer-col a {
            color: var(--text-secondary);
            font-size: 0.88rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-soft);
            color: var(--text-secondary);
            font-size: 0.82rem;
        }

        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFCC00, #FFB300);
            color: #1A1A1A;
            font-size: 1.4rem;
            box-shadow: 0 8px 24px rgba(255, 204, 0, 0.4);
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
            animation: fab-breathe 3s ease-in-out infinite;
            cursor: pointer;
        }

        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 12px 32px rgba(255, 204, 0, 0.55);
            animation-play-state: paused;
        }

        .fab-left .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 16px;
            height: 16px;
            background: #FF0000;
            border-radius: 50%;
            border: 2px solid #fff;
            animation: blink-dot 1.6s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.06);
            }
        }

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

        @media (max-width: 1024px) {
            .article-title {
                font-size: 2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-wrap {
                flex-wrap: wrap;
            }

            .nav-toggle {
                display: block;
            }

            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0;
                gap: 4px;
                order: 3;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }

            .nav-actions {
                margin-left: auto;
            }

            .btn {
                padding: 8px 16px;
                font-size: 0.8rem;
            }

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

            .article-featured-img img {
                aspect-ratio: 16/10;
            }

            .article-content {
                font-size: 0.98rem;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

            .btn {
                padding: 7px 12px;
                font-size: 0.75rem;
            }

            .article-title {
                font-size: 1.4rem;
            }

            .article-meta {
                font-size: 0.8rem;
                gap: 10px;
            }

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

            .article-body {
                padding: 24px 0 40px;
            }

            .article-content h2 {
                font-size: 1.3rem;
            }

            .article-cta-box {
                padding: 24px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep-jungle: #0B3C25;
            --bg-forest: #062315;
            --accent-sunny: #FFCC00;
            --accent-lime: #32CD32;
            --text-warm: #FFFDF0;
            --text-light-green: #C5E2D2;
            --text-muted: #A0B8AA;
            --border-subtle: rgba(50, 205, 50, 0.25);
            --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 45px rgba(50, 205, 50, 0.25);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 26px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-forest);
            color: var(--text-warm);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        
        a {
            text-decoration: none;
            color: var(--accent-lime);
            transition: var(--transition);
        }
        
        a:hover {
            color: var(--accent-sunny);
        }
        
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-sm);
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* ============ HEADER & NAV ============ */
        .site-header {
            background: linear-gradient(180deg, rgba(6, 35, 21, 0.98) 0%, rgba(11, 60, 37, 0.95) 100%);
            border-bottom: 1px solid rgba(50, 205, 50, 0.2);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(12px);
        }
        
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: 20px;
        }
        
        .brand-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-warm);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        
        .brand-logo span {
            color: var(--accent-lime);
        }
        
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(50, 205, 50, 0.4);
            color: var(--text-warm);
            font-size: 1.4rem;
            padding: 8px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .nav-toggle:hover {
            background: rgba(50, 205, 50, 0.15);
        }
        
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            flex: 1;
            justify-content: center;
        }
        
        .nav-links li a {
            color: var(--text-light-green);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: 20px;
            transition: var(--transition);
            display: block;
            white-space: nowrap;
        }
        
        .nav-links li a:hover,
        .nav-links li a.active {
            background: rgba(50, 205, 50, 0.18);
            color: var(--accent-sunny);
        }
        
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 25px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            white-space: nowrap;
        }
        
        .btn-login {
            background: transparent;
            color: var(--text-light-green);
            border: 1px solid rgba(50, 205, 50, 0.5);
        }
        
        .btn-login:hover {
            background: rgba(50, 205, 50, 0.15);
            color: var(--accent-sunny);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, #32CD32, #1E8F1E);
            color: #062315;
            box-shadow: 0 4px 15px rgba(50, 205, 50, 0.35);
        }
        
        .btn-signup:hover {
            background: linear-gradient(135deg, #FFCC00, #32CD32);
            color: #062315;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 204, 0, 0.4);
        }
        
        /* ============ HERO SECTION ============ */
        .hero-category {
            background: linear-gradient(135deg, rgba(6, 35, 21, 0.95) 0%, rgba(11, 60, 37, 0.9) 50%, rgba(6, 35, 21, 0.95) 100%), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            padding: 80px 0 70px;
            position: relative;
            border-bottom: 1px solid rgba(50, 205, 50, 0.2);
        }
        
        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(50, 205, 50, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .hero-category .container {
            position: relative;
            z-index: 2;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 204, 0, 0.15);
            border: 1px solid rgba(255, 204, 0, 0.4);
            color: var(--accent-sunny);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        
        .hero-category h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--text-warm);
            margin-bottom: 18px;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        
        .hero-category h1 span {
            color: var(--accent-lime);
        }
        
        .hero-category p {
            font-size: 1.15rem;
            color: var(--text-light-green);
            max-width: 750px;
            margin-bottom: 30px;
            line-height: 1.7;
        }
        
        .hero-cta-row {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            align-items: center;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, #FFCC00, #FF9F00);
            color: #062315;
            font-size: 1.05rem;
            padding: 14px 32px;
            border-radius: 30px;
            box-shadow: 0 6px 25px rgba(255, 204, 0, 0.4);
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(255, 204, 0, 0.55);
            color: #062315;
        }
        
        .btn-outline-light {
            background: transparent;
            color: var(--text-warm);
            border: 1px solid rgba(255, 255, 255, 0.4);
            padding: 14px 28px;
            border-radius: 30px;
        }
        
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            color: var(--accent-sunny);
        }
        
        /* ============ SECTION GENERAL ============ */
        .section {
            padding: 70px 0;
            position: relative;
        }
        
        .section-alt {
            background: rgba(6, 35, 21, 0.6);
            border-top: 1px solid rgba(50, 205, 50, 0.15);
            border-bottom: 1px solid rgba(50, 205, 50, 0.15);
        }
        
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-warm);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light-green);
            margin-bottom: 40px;
            max-width: 700px;
        }
        
        .section-header-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        
        .section-header-row .left {
            flex: 1;
            min-width: 280px;
        }
        
        /* ============ STRATEGY GRID ============ */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
            margin-top: 20px;
        }
        
        .strategy-card {
            background: linear-gradient(145deg, rgba(11, 60, 37, 0.8) 0%, rgba(6, 35, 21, 0.9) 100%);
            border: 1px solid rgba(50, 205, 50, 0.25);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .strategy-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, #32CD32, #FFCC00);
            opacity: 0;
            transition: var(--transition);
        }
        
        .strategy-card:hover {
            border-color: rgba(255, 204, 0, 0.5);
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        
        .strategy-card:hover::before {
            opacity: 1;
        }
        
        .strategy-icon {
            width: 58px;
            height: 58px;
            background: rgba(50, 205, 50, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-size: 1.5rem;
            color: var(--accent-lime);
        }
        
        .strategy-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 12px;
        }
        
        .strategy-card p {
            color: var(--text-light-green);
            font-size: 0.95rem;
            margin-bottom: 0;
        }
        
        /* ============ TIMING TABLE / LIST ============ */
        .timing-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-top: 20px;
        }
        
        .timing-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            min-height: 320px;
        }
        
        .timing-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        
        .timing-visual .overlay-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(6, 35, 21, 0.9);
            border: 1px solid rgba(255, 204, 0, 0.5);
            color: var(--accent-sunny);
            padding: 10px 20px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 0.95rem;
        }
        
        .timing-list {
            list-style: none;
            margin: 0;
        }
        
        .timing-list li {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(50, 205, 50, 0.15);
            align-items: flex-start;
        }
        
        .timing-list li:last-child {
            border-bottom: none;
        }
        
        .timing-num {
            background: linear-gradient(135deg, #FFCC00, #FF9F00);
            color: #062315;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            flex-shrink: 0;
        }
        
        .timing-list h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 4px;
        }
        
        .timing-list p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin: 0;
        }
        
        /* ============ BOSS TIPS ============ */
        .boss-tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin-top: 20px;
        }
        
        .boss-tip-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 22px;
            background: rgba(11, 60, 37, 0.5);
            border-radius: var(--radius-sm);
            border-left: 4px solid var(--accent-lime);
            transition: var(--transition);
        }
        
        .boss-tip-item:hover {
            background: rgba(11, 60, 37, 0.8);
            border-left-color: var(--accent-sunny);
        }
        
        .boss-tip-item i {
            font-size: 1.6rem;
            color: var(--accent-lime);
            margin-top: 3px;
        }
        
        .boss-tip-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 6px;
        }
        
        .boss-tip-item p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin: 0;
        }
        
        /* ============ FAQ ============ */
        .faq-list {
            max-width: 850px;
            margin: 0 auto;
        }
        
        .faq-item {
            background: rgba(11, 60, 37, 0.5);
            border: 1px solid rgba(50, 205, 50, 0.2);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-item:hover {
            border-color: rgba(255, 204, 0, 0.4);
        }
        
        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 700;
            color: var(--text-warm);
            font-size: 1rem;
            gap: 15px;
            user-select: none;
        }
        
        .faq-question i {
            color: var(--accent-lime);
            transition: var(--transition);
            flex-shrink: 0;
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 24px;
        }
        
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        
        .faq-answer p {
            color: var(--text-light-green);
            font-size: 0.95rem;
            margin: 0;
        }
        
        /* ============ CTA BANNER ============ */
        .cta-banner {
            background: linear-gradient(135deg, rgba(255, 204, 0, 0.15) 0%, rgba(50, 205, 50, 0.12) 50%, rgba(6, 35, 21, 0.9) 100%);
            border: 1px solid rgba(255, 204, 0, 0.3);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            margin-top: 30px;
        }
        
        .cta-banner .cta-text {
            flex: 1;
            min-width: 260px;
        }
        
        .cta-banner h3 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-warm);
            margin-bottom: 10px;
        }
        
        .cta-banner p {
            color: var(--text-light-green);
            font-size: 1.05rem;
            margin: 0;
        }
        
        .cta-banner .btn {
            flex-shrink: 0;
        }
        
        /* ============ FAB ============ */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(6, 35, 21, 0.85);
            backdrop-filter: blur(8px);
            border: 2px solid #FFCC00;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-sunny);
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            animation: fab-float 3s ease-in-out infinite;
        }
        
        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
            opacity: 1;
        }
        
        .fab-left:active {
            transform: scale(0.95) translateY(2px);
        }
        
        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        
        .fab-left .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF0000;
            border-radius: 50%;
            border: 2px solid #062315;
            animation: blink-dot 1.5s ease-in-out infinite;
        }
        
        @keyframes blink-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        
        /* ============ FOOTER ============ */
        .site-footer {
            background: #041A0F;
            border-top: 1px solid rgba(50, 205, 50, 0.2);
            padding: 60px 0 25px;
            margin-top: 40px;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 35px;
            margin-bottom: 40px;
        }
        
        .footer-brand {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-warm);
            margin-bottom: 14px;
        }
        
        .footer-brand span {
            color: #32CD32;
        }
        
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            max-width: 320px;
            line-height: 1.7;
        }
        
        .footer-col h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--accent-lime);
            margin-bottom: 16px;
        }
        
        .footer-col ul {
            list-style: none;
            margin: 0;
        }
        
        .footer-col ul li {
            margin-bottom: 10px;
        }
        
        .footer-col ul li a {
            color: var(--text-light-green);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        
        .footer-col ul li a:hover {
            color: var(--accent-sunny);
            padding-left: 5px;
        }
        
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid rgba(50, 205, 50, 0.15);
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        
        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-category h1 {
                font-size: 2.3rem;
            }
            .timing-wrap {
                grid-template-columns: 1fr;
                gap: 25px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 25px;
            }
        }
        
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(6, 35, 21, 0.98);
                flex-direction: column;
                padding: 20px;
                gap: 5px;
                border-bottom: 1px solid rgba(50, 205, 50, 0.3);
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                padding: 12px 16px;
                width: 100%;
                text-align: center;
            }
            .nav-actions {
                gap: 8px;
            }
            .btn {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            .btn-login {
                padding: 8px 14px;
            }
            .hero-category {
                padding: 55px 0 50px;
            }
            .hero-category h1 {
                font-size: 1.9rem;
            }
            .hero-category p {
                font-size: 1rem;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .strategy-grid,
            .boss-tips-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-banner {
                padding: 35px 25px;
                flex-direction: column;
                text-align: center;
            }
            .cta-banner .cta-text {
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .fab-left {
                width: 50px;
                height: 50px;
                bottom: 80px;
                left: 12px;
                font-size: 1.2rem;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding: 0 15px;
            }
            .nav-wrap {
                height: 60px;
                gap: 10px;
            }
            .brand-logo {
                font-size: 1.2rem;
            }
            .nav-actions .btn {
                padding: 7px 12px;
                font-size: 0.8rem;
            }
            .nav-actions .btn-login {
                padding: 7px 10px;
                font-size: 0.8rem;
            }
            .hero-category h1 {
                font-size: 1.6rem;
            }
            .hero-cta-row {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-outline-light {
                width: 100%;
                text-align: center;
            }
            .strategy-card {
                padding: 24px 20px;
            }
            .timing-visual {
                min-height: 220px;
            }
            .cta-banner h3 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --bg-card: #0F3D28;
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --accent-orange: #FF8C00;
            --text-white: #FFFDF0;
            --text-light: #C5E2D2;
            --text-muted: #9AB8A8;
            --border-gold: rgba(255, 204, 0, 0.4);
            --border-lime: rgba(50, 205, 50, 0.5);
            --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.3);
            --shadow-gold: 0 4px 20px rgba(255, 204, 0, 0.25);
            --shadow-lime: 0 4px 20px rgba(50, 205, 50, 0.25);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 3.5rem;
            --spacing-xl: 5rem;
            --font-heading: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a:hover,
        a:focus {
            color: var(--accent-gold);
            outline: none;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* Header & Navigation */
        .site-header {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-gold);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0.75rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .brand-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .brand-logo span {
            color: var(--accent-lime);
            background: rgba(50, 205, 50, 0.15);
            padding: 0.15rem 0.5rem;
            border-radius: var(--radius-sm);
            font-size: 1.3rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 0.5rem;
            margin: 0;
        }

        .nav-links li a {
            padding: 0.6rem 1.1rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-light);
            transition: var(--transition);
            display: block;
            white-space: nowrap;
        }

        .nav-links li a:hover,
        .nav-links li a:focus {
            background: rgba(50, 205, 50, 0.12);
            color: var(--accent-lime);
        }

        .nav-links li a.active {
            background: var(--accent-lime);
            color: var(--bg-secondary);
            box-shadow: var(--shadow-lime);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn {
            padding: 0.6rem 1.4rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
            border: 2px solid transparent;
        }

        .btn-login {
            color: var(--text-white);
            background: transparent;
            border-color: rgba(255, 255, 255, 0.3);
        }

        .btn-login:hover,
        .btn-login:focus {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 204, 0, 0.1);
        }

        .btn-signup {
            background: var(--accent-gold);
            color: var(--bg-secondary);
            box-shadow: var(--shadow-gold);
        }

        .btn-signup:hover,
        .btn-signup:focus {
            background: #ffd633;
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(255, 204, 0, 0.4);
            color: var(--bg-secondary);
        }

        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-white);
            padding: 0.5rem;
        }

        /* Hero Section */
        .hero {
            background: var(--bg-secondary);
            position: relative;
            overflow: hidden;
            padding: 3.5rem 0 4rem;
            border-bottom: 2px solid var(--border-gold);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.25;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(50, 205, 50, 0.15);
            border: 1px solid var(--border-lime);
            color: var(--accent-lime);
            padding: 0.5rem 1.2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            width: fit-content;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%, 100% { box-shadow: 0 0 0 0 rgba(50, 205, 50, 0.4); }
            50% { box-shadow: 0 0 0 8px rgba(50, 205, 50, 0); }
        }

        .hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.8rem);
            font-weight: 900;
            line-height: 1.15;
            color: var(--text-white);
            margin: 0;
            max-width: 800px;
        }

        .hero h1 .highlight {
            color: var(--accent-gold);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 700px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary {
            background: var(--accent-gold);
            color: var(--bg-secondary);
            font-weight: 800;
            padding: 0.9rem 2rem;
            font-size: 1rem;
            box-shadow: var(--shadow-gold);
            border: 2px solid var(--accent-gold);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: #ffd633;
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(255, 204, 0, 0.5);
            color: var(--bg-secondary);
        }

        .btn-secondary {
            background: rgba(50, 205, 50, 0.15);
            color: var(--accent-lime);
            border: 2px solid var(--border-lime);
            font-weight: 700;
            padding: 0.9rem 2rem;
            font-size: 1rem;
        }

        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--accent-lime);
            color: var(--bg-secondary);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lime);
        }

        .hero-countdown {
            display: flex;
            gap: 0.75rem;
            align-items: center;
            flex-wrap: wrap;
            margin-top: 1rem;
        }

        .countdown-item {
            background: rgba(0, 0, 0, 0.5);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            padding: 0.75rem 1.2rem;
            text-align: center;
            min-width: 70px;
        }

        .countdown-item .number {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent-gold);
            display: block;
            line-height: 1.2;
        }

        .countdown-item .label {
            font-size: 0.75rem;
            color: var(--text-light);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Section Common */
        .section {
            padding: var(--spacing-lg) 0;
        }

        .section-header {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 1rem;
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.3;
            margin: 0;
            text-align: left;
        }

        .section-title .highlight {
            color: var(--accent-gold);
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 650px;
            line-height: 1.7;
            text-align: left;
        }

        /* Feature Cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin-top: var(--spacing-md);
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-lime));
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover::after,
        .feature-card:focus-within::after {
            opacity: 1;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-gold);
            border-color: var(--accent-gold);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            background: rgba(50, 205, 50, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            color: var(--accent-lime);
            font-size: 1.4rem;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--accent-lime);
            color: var(--bg-secondary);
            transform: rotate(360deg);
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }

        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* Steps / Process */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: var(--spacing-md);
        }

        .step-item {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            padding: 1.5rem;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-md);
            border-left: 4px solid var(--accent-lime);
            transition: var(--transition);
        }

        .step-item:hover {
            background: rgba(50, 205, 50, 0.08);
            transform: translateX(5px);
        }

        .step-number {
            width: 44px;
            height: 44px;
            background: var(--accent-gold);
            color: var(--bg-secondary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.4rem;
        }

        .step-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* Tips List */
        .tips-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            margin-top: var(--spacing-md);
        }

        .tip-item {
            display: flex;
            gap: 1rem;
            padding: 1.2rem;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            align-items: flex-start;
        }

        .tip-item:hover {
            border-color: var(--border-lime);
            box-shadow: var(--shadow-lime);
        }

        .tip-icon {
            width: 40px;
            height: 40px;
            background: rgba(255, 204, 0, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            flex-shrink: 0;
        }

        .tip-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.3rem;
        }

        .tip-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* CTA Section */
        .cta-section {
            background: var(--bg-secondary);
            padding: var(--spacing-lg) 0;
            border-top: 2px solid var(--border-gold);
            border-bottom: 2px solid var(--border-gold);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.15;
            z-index: 1;
        }

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

        .cta-content h2 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 900;
            color: var(--text-white);
            margin-bottom: 1rem;
        }

        .cta-content p {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto 1.5rem;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* FAQ Section */
        .faq-list {
            margin-top: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 1.5rem;
            cursor: pointer;
            gap: 1rem;
            width: 100%;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            transition: var(--transition);
        }

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

        .faq-icon {
            width: 32px;
            height: 32px;
            background: rgba(50, 205, 50, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-lime);
            flex-shrink: 0;
            transition: var(--transition);
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--accent-gold);
            color: var(--bg-secondary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
        }

        .faq-answer-inner {
            padding: 0 1.5rem 1.5rem;
            color: var(--text-muted);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-top: var(--spacing-md);
        }

        .stat-item {
            text-align: center;
            padding: 1.5rem;
            background: rgba(255, 204, 0, 0.05);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-gold);
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent-gold);
            display: block;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
        }

        /* Fixed Bottom CTA Bar */
        .fixed-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-secondary);
            border-top: 2px solid var(--accent-gold);
            padding: 0.75rem 1rem;
            z-index: 90;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
        }

        .fixed-cta .btn {
            padding: 0.7rem 1.6rem;
            font-size: 0.9rem;
        }

        .fixed-cta-text {
            color: var(--text-light);
            font-weight: 600;
            font-size: 0.9rem;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            padding: var(--spacing-lg) 0 1.5rem;
            border-top: 1px solid var(--border-gold);
            margin-bottom: 80px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: var(--spacing-md);
        }

        .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.8rem;
        }

        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 350px;
        }

        .footer-col h5 {
            color: var(--accent-gold);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

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

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem;
            padding-top: 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 95;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-secondary);
            border: 3px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            box-shadow: var(--shadow-gold);
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.7;
            animation: float-fab 3s ease-in-out infinite;
        }

        @keyframes float-fab {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 30px rgba(255, 204, 0, 0.6);
        }

        .fab:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab .notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #ff0044;
            border-radius: 50%;
            border: 2px solid var(--bg-secondary);
            animation: blink-dot 1.5s infinite;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }

            .nav-links {
                gap: 0.25rem;
            }

            .nav-links li a {
                padding: 0.5rem 0.8rem;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }

            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--bg-secondary);
                border-radius: var(--radius-md);
                padding: 1rem;
                gap: 0.5rem;
                box-shadow: var(--shadow-soft);
                margin-top: 0.5rem;
            }

            .nav-links.show {
                display: flex;
            }

            .nav-links li {
                width: 100%;
            }

            .nav-links li a {
                padding: 0.7rem 1rem;
                font-size: 0.95rem;
                text-align: left;
                width: 100%;
            }

            .nav-actions {
                display: none;
            }

            .nav-wrap {
                flex-wrap: wrap;
            }

            .hero {
                padding: 2.5rem 0 3rem;
            }

            .section {
                padding: var(--spacing-md) 0;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .fixed-cta {
                flex-direction: column;
                gap: 0.5rem;
                padding: 0.6rem;
            }

            .fixed-cta-text {
                font-size: 0.8rem;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-actions .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }

            .hero h1 {
                font-size: 1.8rem;
            }

            .hero-subtitle {
                font-size: 0.95rem;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .features-grid,
            .steps-container,
            .tips-list,
            .stats-grid {
                grid-template-columns: 1fr;
            }

            .step-item {
                flex-direction: column;
                gap: 0.75rem;
            }

            .countdown-item {
                min-width: 60px;
                padding: 0.5rem 0.8rem;
            }

            .countdown-item .number {
                font-size: 1.3rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0B3C25;
            --primary-dark: #062315;
            --accent: #32CD32;
            --accent-gold: #FFCC00;
            --text: #FFFDF0;
            --muted: #C5E2D2;
            --border: rgba(255, 204, 0, 0.25);
            --card-bg: rgba(255, 255, 255, 0.05);
            --card-hover: rgba(255, 255, 255, 0.1);
            --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 28px 60px rgba(0, 0, 0, 0.5);
            --radius: 18px;
            --radius-sm: 10px;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1240px;
            --header-height: 76px;
        }

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

        body {
            font-family: var(--font-body);
            background: linear-gradient(180deg, var(--primary-dark) 0%, #0a1f12 100%);
            color: var(--text);
            line-height: 1.65;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

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

        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(6, 35, 21, 0.9);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 204, 0, 0.15);
            height: var(--header-height);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(4, 25, 14, 0.98);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .brand-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .brand-logo span {
            color: var(--accent-gold);
            background: rgba(255, 204, 0, 0.12);
            padding: 2px 8px;
            border-radius: 8px;
            font-size: 1.2rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 6px;
            margin: 0;
        }

        .nav-links li a {
            display: block;
            padding: 10px 16px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--muted);
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
        }

        .nav-links li a:hover,
        .nav-links li a:focus-visible {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-links li a.active {
            color: var(--accent-gold);
            background: rgba(255, 204, 0, 0.1);
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 3px solid var(--accent-gold);
            outline-offset: 2px;
        }

        .btn-login {
            background: transparent;
            color: var(--muted);
            border: 1.5px solid rgba(255, 255, 255, 0.25);
        }

        .btn-login:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .btn-signup {
            background: linear-gradient(135deg, #FFCC00 0%, #FFB300 100%);
            color: #1a1a00;
            box-shadow: 0 6px 20px rgba(255, 204, 0, 0.35);
        }

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

        .btn-signup:active {
            transform: translateY(0);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 6px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* Page Hero */
        .page-hero {
            padding: calc(var(--header-height) + 50px) 0 60px;
            position: relative;
            background: linear-gradient(160deg, var(--primary-dark) 0%, #0d2e1c 50%, var(--primary-dark) 100%);
            overflow: hidden;
            min-height: 480px;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.2;
            z-index: 1;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(50, 205, 50, 0.15) 0%, transparent 60%),
                        radial-gradient(ellipse at 80% 70%, rgba(255, 204, 0, 0.08) 0%, transparent 50%);
            z-index: 1;
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(50, 205, 50, 0.15);
            border: 1px solid rgba(50, 205, 50, 0.4);
            color: #7CFF9B;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-badge i {
            color: var(--accent-gold);
        }

        .page-hero h1 {
            font-size: 2.9rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
            color: #fff;
        }

        .page-hero h1 .highlight {
            color: var(--accent-gold);
            background: linear-gradient(135deg, #FFCC00, #FFB300);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero .hero-sub {
            font-size: 1.1rem;
            color: var(--muted);
            max-width: 520px;
            margin-bottom: 28px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn-primary {
            background: linear-gradient(135deg, #32CD32 0%, #2BA52B 100%);
            color: #fff;
            padding: 14px 32px;
            font-size: 1rem;
            box-shadow: 0 10px 30px rgba(50, 205, 50, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(50, 205, 50, 0.55);
        }

        .btn-outline-gold {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 12px 28px;
        }

        .btn-outline-gold:hover {
            background: rgba(255, 204, 0, 0.1);
            transform: translateY(-2px);
        }

        .hero-panel {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius);
            padding: 35px 30px;
            box-shadow: var(--shadow);
        }

        .hero-panel h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .hero-panel ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .hero-panel ul li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--muted);
            font-size: 0.95rem;
        }

        .hero-panel ul li:last-child {
            border-bottom: none;
        }

        .hero-panel ul li i {
            color: var(--accent);
            font-size: 1.2rem;
            margin-top: 2px;
        }

        /* Section base */
        .section {
            padding: 70px 0;
            position: relative;
        }

        .section-alt {
            background: rgba(0, 0, 0, 0.2);
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            margin-bottom: 12px;
        }

        .section-header p {
            color: var(--muted);
            font-size: 1.05rem;
            max-width: 650px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(50, 205, 50, 0.15);
            color: #7CFF9B;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        /* Download Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .step-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 30px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .step-card:hover {
            background: var(--card-hover);
            border-color: rgba(50, 205, 50, 0.4);
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .step-number {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(50, 205, 50, 0.2);
            line-height: 1;
            margin-bottom: 12px;
        }

        .step-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .step-card p {
            color: var(--muted);
            font-size: 0.95rem;
        }

        .step-card .step-icon {
            font-size: 1.8rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        /* Device Grid */
        .device-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .device-card {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }

        .device-card:hover {
            border-color: rgba(255, 204, 0, 0.4);
            background: var(--card-hover);
            transform: translateY(-4px);
        }

        .device-icon {
            width: 60px;
            height: 60px;
            min-width: 60px;
            background: rgba(50, 205, 50, 0.12);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--accent);
        }

        .device-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .device-card p {
            color: var(--muted);
            font-size: 0.92rem;
        }

        .device-card .btn-sm {
            margin-top: 12px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 50px;
            background: rgba(255, 204, 0, 0.15);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.85rem;
            border: 1px solid rgba(255, 204, 0, 0.3);
        }

        .device-card .btn-sm:hover {
            background: rgba(255, 204, 0, 0.25);
        }

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

        .faq-item {
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: rgba(50, 205, 50, 0.4);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            background: transparent;
            border: none;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.04);
        }

        .faq-question .faq-toggle {
            font-size: 1rem;
            color: var(--accent-gold);
            transition: var(--transition);
            min-width: 24px;
            text-align: center;
        }

        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--muted);
            font-size: 0.95rem;
            padding: 0 22px;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        /* Bottom CTA */
        .bottom-cta {
            padding: 80px 0;
            background: linear-gradient(160deg, var(--primary-dark) 0%, #0d2e1c 100%);
            position: relative;
            overflow: hidden;
        }

        .bottom-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            opacity: 0.15;
        }

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

        .cta-box {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 204, 0, 0.3);
            border-radius: var(--radius);
            padding: 50px 40px;
            text-align: center;
            box-shadow: var(--shadow);
        }

        .cta-box h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-box p {
            color: var(--muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 28px;
        }

        /* Floating Action Button */
        .fab-support {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 999;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1a1a1a 0%, #0d0d0d 100%);
            border: 3px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-gold);
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            opacity: 0.75;
            animation: fab-float 3s ease-in-out infinite;
        }

        .fab-support::after {
            content: '';
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #0d0d0d;
            animation: fab-blink 1.5s ease-in-out infinite;
        }

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }

        .fab-support:active {
            transform: scale(0.95);
        }

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

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

        /* Footer */
        .site-footer {
            background: #05130a;
            padding: 60px 0 20px;
            border-top: 1px solid rgba(255, 204, 0, 0.15);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            color: var(--muted);
            font-size: 0.92rem;
            max-width: 320px;
        }

        .footer-col h5 {
            color: var(--accent-gold);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

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

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

        .footer-col ul li a {
            color: var(--muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--muted);
            font-size: 0.85rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 35px;
            }

            .page-hero h1 {
                font-size: 2.3rem;
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }

            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(6, 35, 21, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px;
                gap: 8px;
                transform: translateY(-120%);
                transition: transform 0.35s ease;
                border-bottom: 1px solid rgba(255, 204, 0, 0.2);
                z-index: 999;
            }

            .nav-links.open {
                transform: translateY(0);
            }

            .nav-links li {
                width: 100%;
            }

            .nav-links li a {
                width: 100%;
                padding: 14px 16px;
                font-size: 1rem;
            }

            .nav-toggle {
                display: block;
            }

            .nav-actions {
                gap: 6px;
            }

            .btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }

            .page-hero {
                padding: calc(var(--header-height) + 35px) 0 45px;
                min-height: auto;
            }

            .page-hero h1 {
                font-size: 1.8rem;
            }

            .page-hero .hero-sub {
                font-size: 0.98rem;
            }

            .hero-panel {
                padding: 24px 18px;
            }

            .section {
                padding: 50px 0;
            }

            .section-header h2 {
                font-size: 1.6rem;
            }

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

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

            .cta-box {
                padding: 35px 20px;
            }

            .cta-box h2 {
                font-size: 1.6rem;
            }

            .fab-support {
                width: 50px;
                height: 50px;
                font-size: 1.3rem;
                left: 14px;
                bottom: 80px;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .brand-logo {
                font-size: 1.2rem;
            }

            .brand-logo span {
                font-size: 1rem;
                padding: 2px 6px;
            }

            .btn {
                padding: 7px 12px;
                font-size: 0.75rem;
            }

            .nav-actions .btn-login {
                display: none;
            }

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

            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }

            .hero-cta-group .btn {
                width: 100%;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

            .cta-box h2 {
                font-size: 1.35rem;
            }
        }