/* roulang page: index */
:root {
            --jd-deep: #0A2E1C;
            --jd-forest: #123E25;
            --jd-pine: #0B3C25;
            --jd-gold: #FFD700;
            --jd-gold-soft: #F0E68C;
            --jd-red: #D32F2F;
            --jd-mint: #D1F2EB;
            --jd-white: #FFFFFF;
            --jd-pale: #F5F5F7;
            --jd-muted: rgba(209, 242, 235, 0.75);
            --jd-border: rgba(255, 215, 0, 0.35);
            --jd-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
            --jd-shadow-sm: 0 6px 20px rgba(0, 0, 0, 0.25);
            --jd-radius: 18px;
            --jd-radius-sm: 12px;
            --jd-radius-lg: 28px;
            --jd-transition: all 0.3s ease;
            --jd-font: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            --jd-h1-size: clamp(2rem, 4.5vw, 3.25rem);
            --jd-h2-size: clamp(1.6rem, 3vw, 2.25rem);
            --jd-h3-size: clamp(1.15rem, 2vw, 1.5rem);
            --jd-body-size: 1rem;
            --jd-small-size: 0.875rem;
            --jd-line-height: 1.65;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--jd-font);
            font-size: var(--jd-body-size);
            line-height: var(--jd-line-height);
            color: var(--jd-white);
            background-color: var(--jd-deep);
            background-image: radial-gradient(ellipse at 20% 10%, rgba(18, 62, 37, 0.9) 0%, transparent 60%),
                             radial-gradient(ellipse at 80% 90%, rgba(10, 46, 28, 0.95) 0%, transparent 55%);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: #fff3a0;
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--jd-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            font-family: var(--jd-font);
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ==================== HEADER / NAV ==================== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--jd-border);
            padding: 0.75rem 0;
            transition: var(--jd-transition);
        }

        .site-header.scrolled {
            background: rgba(10, 46, 28, 0.98);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
            padding: 0.5rem 0;
        }

        .navbar-brand-site {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--jd-white);
            letter-spacing: 0.02em;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 280px;
        }

        .navbar-brand-site .brand-icon {
            width: 42px;
            height: 42px;
            flex-shrink: 0;
            background: linear-gradient(135deg, var(--jd-gold) 0%, #b8960f 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: var(--jd-deep);
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.35);
        }

        .navbar-brand-site .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .navbar-brand-site .brand-text strong {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--jd-white);
        }

        .navbar-brand-site .brand-text span {
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--jd-muted);
            letter-spacing: 0.04em;
        }

        .nav-link-site {
            color: var(--jd-muted);
            font-weight: 500;
            font-size: 0.9rem;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            transition: var(--jd-transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-link-site:hover {
            color: var(--jd-white);
            background: rgba(255, 215, 0, 0.1);
        }

        .nav-link-site.active {
            color: var(--jd-gold);
            font-weight: 700;
            background: rgba(255, 215, 0, 0.12);
        }

        .nav-link-site.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--jd-gold);
            border-radius: 2px;
        }

        .btn-login-text {
            color: var(--jd-white);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.5rem 0.75rem;
            border: none;
            background: transparent;
            transition: var(--jd-transition);
            white-space: nowrap;
        }

        .btn-login-text:hover {
            color: var(--jd-gold);
        }

        .btn-signup-nav {
            background: linear-gradient(135deg, var(--jd-gold) 0%, #e6c200 100%);
            color: var(--jd-deep);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.6rem 1.4rem;
            border: none;
            border-radius: 30px;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.4);
            transition: var(--jd-transition);
            white-space: nowrap;
        }

        .btn-signup-nav:hover {
            background: linear-gradient(135deg, #ffe033 0%, #f0d000 100%);
            color: var(--jd-deep);
            box-shadow: 0 6px 22px rgba(255, 215, 0, 0.55);
            transform: translateY(-2px);
        }

        .navbar-toggler-site {
            border: 1px solid var(--jd-border);
            background: rgba(255, 215, 0, 0.1);
            color: var(--jd-gold);
            font-size: 1.25rem;
            padding: 0.4rem 0.75rem;
            border-radius: 10px;
            transition: var(--jd-transition);
        }

        .navbar-toggler-site:hover {
            background: rgba(255, 215, 0, 0.2);
        }

        .navbar-collapse-site .navbar-nav {
            align-items: center;
            gap: 0.25rem;
        }

        .nav-auth-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-left: 0.5rem;
        }

        @media (max-width: 991.98px) {
            .navbar-brand-site {
                max-width: 220px;
                font-size: 0.9rem;
            }
            .navbar-brand-site .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 1.1rem;
            }
            .navbar-brand-site .brand-text strong {
                font-size: 0.8rem;
            }
            .navbar-brand-site .brand-text span {
                font-size: 0.6rem;
            }
            .navbar-collapse-site {
                background: rgba(10, 46, 28, 0.98);
                border-radius: 16px;
                padding: 1rem;
                margin-top: 0.75rem;
                border: 1px solid var(--jd-border);
            }
            .nav-auth-group {
                margin-left: 0;
                margin-top: 0.5rem;
                justify-content: flex-end;
                flex-wrap: wrap;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-brand-site {
                max-width: 160px;
            }
            .navbar-brand-site .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
                border-radius: 8px;
            }
            .navbar-brand-site .brand-text strong {
                font-size: 0.72rem;
            }
            .navbar-brand-site .brand-text span {
                font-size: 0.55rem;
            }
            .btn-login-text {
                font-size: 0.8rem;
                padding: 0.4rem 0.5rem;
            }
            .btn-signup-nav {
                font-size: 0.8rem;
                padding: 0.5rem 1rem;
            }
        }

        /* ==================== HERO ==================== */
        .hero-section {
            position: relative;
            padding-top: 110px;
            padding-bottom: 3.5rem;
            overflow: hidden;
            background-image: linear-gradient(rgba(10, 46, 28, 0.8), rgba(10, 46, 28, 0.9)), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(255, 215, 0, 0.12) 0%, transparent 55%);
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 100px;
            background: linear-gradient(to top, var(--jd-deep) 0%, transparent 100%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-left {
            text-align: left;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--jd-border);
            color: var(--jd-gold);
            font-weight: 600;
            font-size: 0.8rem;
            padding: 0.45rem 1rem;
            border-radius: 30px;
            letter-spacing: 0.04em;
            margin-bottom: 1.25rem;
        }

        .hero-badge .dot-pulse {
            width: 8px;
            height: 8px;
            background: var(--jd-red);
            border-radius: 50%;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }

        .hero-title {
            font-size: var(--jd-h1-size);
            font-weight: 900;
            line-height: 1.2;
            color: var(--jd-white);
            margin-bottom: 1rem;
            letter-spacing: 0.01em;
        }

        .hero-title .highlight-gold {
            color: var(--jd-gold);
            background: linear-gradient(135deg, var(--jd-gold) 0%, #fff3a0 50%, var(--jd-gold) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--jd-muted);
            line-height: 1.7;
            max-width: 540px;
            margin-bottom: 1.75rem;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.85rem;
            margin-bottom: 1.75rem;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, var(--jd-gold) 0%, #e6c200 100%);
            color: var(--jd-deep);
            font-weight: 800;
            font-size: 0.95rem;
            padding: 0.9rem 1.8rem;
            border: none;
            border-radius: 40px;
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.45);
            transition: var(--jd-transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }

        .btn-hero-primary:hover {
            background: linear-gradient(135deg, #ffe033 0%, #f0d000 100%);
            box-shadow: 0 10px 30px rgba(255, 215, 0, 0.6);
            transform: translateY(-3px);
            color: var(--jd-deep);
        }

        .btn-hero-outline {
            background: transparent;
            color: var(--jd-white);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.9rem 1.6rem;
            border: 2px solid var(--jd-border);
            border-radius: 40px;
            transition: var(--jd-transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }

        .btn-hero-outline:hover {
            border-color: var(--jd-gold);
            background: rgba(255, 215, 0, 0.1);
            color: var(--jd-gold);
            transform: translateY(-3px);
        }

        .hero-data-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: center;
        }

        .hero-data-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--jd-muted);
            font-size: 0.85rem;
            font-weight: 500;
        }

        .hero-data-item .num {
            font-weight: 800;
            color: var(--jd-gold);
            font-size: 1.05rem;
        }

        .hero-right {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        .countdown-ring-wrap {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.75rem;
        }

        .countdown-ring {
            position: relative;
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background: conic-gradient(var(--jd-gold) 0deg 210deg, rgba(255, 215, 0, 0.15) 210deg 360deg);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 40px rgba(255, 215, 0, 0.25);
            animation: ring-glow 2.5s ease-in-out infinite;
        }

        @keyframes ring-glow {
            0%, 100% { box-shadow: 0 0 30px rgba(255, 215, 0, 0.25); }
            50% { box-shadow: 0 0 50px rgba(255, 215, 0, 0.45); }
        }

        .countdown-ring .ring-inner {
            position: absolute;
            inset: 12px;
            border-radius: 50%;
            background: var(--jd-deep);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 0.15rem;
        }

        .countdown-ring .ring-inner .time {
            font-size: 1.7rem;
            font-weight: 900;
            color: var(--jd-gold);
            line-height: 1;
        }

        .countdown-ring .ring-inner .label {
            font-size: 0.7rem;
            color: var(--jd-muted);
            font-weight: 500;
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        .countdown-label {
            font-size: 0.8rem;
            color: var(--jd-muted);
            font-weight: 500;
        }

        .hero-carousel-box {
            background: rgba(18, 62, 37, 0.75);
            backdrop-filter: blur(12px);
            border: 1px solid var(--jd-border);
            border-radius: var(--jd-radius);
            padding: 1.25rem;
            min-width: 260px;
            max-width: 320px;
        }

        .hero-carousel-box .carousel-indicators {
            position: relative;
            margin: 0.75rem 0 0;
        }

        .hero-carousel-box .carousel-indicators [data-bs-target] {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            border: none;
        }

        .hero-carousel-box .carousel-indicators .active {
            background: var(--jd-gold);
        }

        .hero-carousel-item {
            padding: 0.25rem 0.25rem 0.5rem;
        }

        .hero-carousel-item .feature-icon {
            font-size: 1.5rem;
            color: var(--jd-gold);
            margin-bottom: 0.5rem;
        }

        .hero-carousel-item h6 {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--jd-white);
            margin-bottom: 0.3rem;
        }

        .hero-carousel-item p {
            font-size: 0.8rem;
            color: var(--jd-muted);
            margin-bottom: 0;
            line-height: 1.5;
        }

        @media (max-width: 991.98px) {
            .hero-section {
                padding-top: 100px;
                min-height: auto;
            }
            .hero-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-desc {
                max-width: 100%;
            }
            .hero-right {
                justify-content: flex-start;
            }
        }

        @media (max-width: 575.98px) {
            .hero-section {
                padding-top: 90px;
                padding-bottom: 2.5rem;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .countdown-ring {
                width: 110px;
                height: 110px;
            }
            .countdown-ring .ring-inner {
                inset: 9px;
            }
            .countdown-ring .ring-inner .time {
                font-size: 1.3rem;
            }
            .hero-carousel-box {
                min-width: 100%;
                max-width: 100%;
            }
        }

        /* ==================== SECTION GENERAL ==================== */
        .section-site {
            padding: 4rem 0;
            position: relative;
        }

        .section-site:nth-child(even) {
            background: rgba(18, 62, 37, 0.5);
        }

        .section-header {
            text-align: left;
            margin-bottom: 2.5rem;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--jd-gold);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            background: rgba(255, 215, 0, 0.1);
            padding: 0.35rem 0.9rem;
            border-radius: 20px;
            margin-bottom: 0.75rem;
            border: 1px solid var(--jd-border);
        }

        .section-header h2 {
            font-size: var(--jd-h2-size);
            font-weight: 800;
            color: var(--jd-white);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }

        .section-header p {
            font-size: 0.95rem;
            color: var(--jd-muted);
            max-width: 620px;
            line-height: 1.65;
            margin-bottom: 0;
        }

        @media (max-width: 575.98px) {
            .section-site {
                padding: 2.5rem 0;
            }
            .section-header {
                margin-bottom: 1.5rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
        }

        /* ==================== FEATURES / SELLING POINTS ==================== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .feature-card {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid var(--jd-border);
            border-radius: var(--jd-radius);
            padding: 2rem 1.5rem;
            transition: var(--jd-transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--jd-gold) 0%, transparent 100%);
            opacity: 0;
            transition: var(--jd-transition);
        }

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

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card .feature-icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.2) 0%, rgba(255, 215, 0, 0.05) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--jd-gold);
            margin-bottom: 1.25rem;
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--jd-white);
            margin-bottom: 0.6rem;
        }

        .feature-card p {
            font-size: 0.88rem;
            color: var(--jd-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        @media (max-width: 991.98px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575.98px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .feature-card {
                padding: 1.5rem 1.25rem;
            }
        }

        /* ==================== POSTER TRACK / HORIZONTAL SCROLL ==================== */
        .poster-track-section {
            position: relative;
        }

        .poster-track {
            display: flex;
            gap: 1rem;
            overflow-x: auto;
            padding: 1rem 0.25rem 1.5rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--jd-gold) rgba(255, 255, 255, 0.05);
        }

        .poster-track::-webkit-scrollbar {
            height: 6px;
        }

        .poster-track::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
        }

        .poster-track::-webkit-scrollbar-thumb {
            background: var(--jd-gold);
            border-radius: 10px;
        }

        .poster-card {
            flex: 0 0 220px;
            scroll-snap-align: start;
            border-radius: var(--jd-radius);
            overflow: hidden;
            position: relative;
            border: 1px solid var(--jd-border);
            transition: var(--jd-transition);
            cursor: pointer;
            background: rgba(18, 62, 37, 0.6);
        }

        .poster-card:hover {
            border-color: var(--jd-gold);
            box-shadow: 0 10px 30px rgba(255, 215, 0, 0.25);
            transform: translateY(-6px);
        }

        .poster-card .poster-img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .poster-card .poster-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1.25rem 1rem;
            background: linear-gradient(to top, rgba(10, 46, 28, 0.95) 0%, rgba(10, 46, 28, 0.4) 60%, transparent 100%);
        }

        .poster-card .poster-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--jd-white);
            margin-bottom: 0.4rem;
            line-height: 1.3;
        }

        .poster-card .poster-cta {
            font-size: 0.75rem;
            color: var(--jd-gold);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            opacity: 0.9;
            transition: var(--jd-transition);
        }

        .poster-card:hover .poster-cta {
            opacity: 1;
            gap: 0.55rem;
        }

        .poster-card .poster-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--jd-red);
            color: var(--jd-white);
            font-size: 0.68rem;
            font-weight: 700;
            padding: 0.3rem 0.7rem;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }

        @media (max-width: 575.98px) {
            .poster-card {
                flex: 0 0 170px;
            }
            .poster-card .poster-img {
                height: 200px;
            }
        }

        /* ==================== COLLECTION DIRECTORY ==================== */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .collection-card {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid var(--jd-border);
            border-radius: var(--jd-radius);
            overflow: hidden;
            transition: var(--jd-transition);
            position: relative;
        }

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

        .collection-card .collection-bg {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-bottom: 2px solid var(--jd-border);
            transition: var(--jd-transition);
        }

        .collection-card:hover .collection-bg {
            filter: brightness(1.1);
        }

        .collection-card .collection-body {
            padding: 1.25rem;
        }

        .collection-card .collection-count {
            font-size: 0.75rem;
            color: var(--jd-gold);
            font-weight: 600;
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .collection-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--jd-white);
            margin-bottom: 0.4rem;
        }

        .collection-card p {
            font-size: 0.85rem;
            color: var(--jd-muted);
            margin-bottom: 0.9rem;
            line-height: 1.5;
        }

        .collection-card .btn-collection {
            background: transparent;
            color: var(--jd-gold);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--jd-transition);
        }

        .collection-card .btn-collection:hover {
            gap: 0.75rem;
            color: #fff3a0;
        }

        @media (max-width: 991.98px) {
            .collection-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575.98px) {
            .collection-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }

        /* ==================== REVIEWS / TESTIMONIALS ==================== */
        .review-summary-row {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 2.5rem;
            align-items: start;
        }

        .review-score-box {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid var(--jd-border);
            border-radius: var(--jd-radius);
            padding: 2rem;
            text-align: center;
        }

        .review-score-box .big-score {
            font-size: 3rem;
            font-weight: 900;
            color: var(--jd-gold);
            line-height: 1;
            margin-bottom: 0.5rem;
        }

        .review-score-box .stars {
            color: var(--jd-gold);
            font-size: 1.1rem;
            margin-bottom: 0.75rem;
            display: flex;
            justify-content: center;
            gap: 0.25rem;
        }

        .review-score-box .review-count {
            font-size: 0.85rem;
            color: var(--jd-muted);
        }

        .review-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .review-item {
            background: rgba(18, 62, 37, 0.55);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--jd-radius-sm);
            padding: 1.25rem 1.5rem;
            transition: var(--jd-transition);
        }

        .review-item:hover {
            border-color: var(--jd-border);
        }

        .review-item .review-head {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 0.6rem;
        }

        .review-item .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--jd-gold) 0%, #b8960f 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--jd-deep);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .review-item .review-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--jd-white);
        }

        .review-item .review-stars {
            color: var(--jd-gold);
            font-size: 0.75rem;
            margin-left: auto;
        }

        .review-item .review-text {
            font-size: 0.88rem;
            color: var(--jd-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        .review-cta-row {
            margin-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.85rem;
        }

        .btn-review-custom {
            background: linear-gradient(135deg, var(--jd-gold) 0%, #e6c200 100%);
            color: var(--jd-deep);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 30px;
            transition: var(--jd-transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-review-custom:hover {
            background: linear-gradient(135deg, #ffe033 0%, #f0d000 100%);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
            color: var(--jd-deep);
        }

        @media (max-width: 991.98px) {
            .review-summary-row {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }

        /* ==================== NEWS / CMS LIST ==================== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2rem;
            align-items: start;
        }

        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 1.25rem;
            background: rgba(18, 62, 37, 0.55);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--jd-radius-sm);
            padding: 1.1rem 1.25rem;
            transition: var(--jd-transition);
        }

        .news-list-item:hover {
            border-color: var(--jd-border);
            background: rgba(18, 62, 37, 0.75);
            transform: translateX(4px);
        }

        .news-list-item .news-icon {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            border-radius: 10px;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--jd-gold);
            font-size: 1rem;
        }

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

        .news-list-item .news-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--jd-white);
            margin-bottom: 0.25rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-list-item .news-meta {
            font-size: 0.75rem;
            color: var(--jd-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
        }

        .news-list-item .news-meta .news-cat {
            color: var(--jd-gold);
            font-weight: 600;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .news-sidebar-card {
            background: rgba(18, 62, 37, 0.6);
            border: 1px solid var(--jd-border);
            border-radius: var(--jd-radius);
            padding: 1.5rem;
        }

        .news-sidebar-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--jd-white);
            margin-bottom: 1rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }

        .news-sidebar-card .sidebar-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .news-sidebar-card .sidebar-link-list li a {
            font-size: 0.85rem;
            color: var(--jd-muted);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--jd-transition);
            line-height: 1.4;
        }

        .news-sidebar-card .sidebar-link-list li a:hover {
            color: var(--jd-gold);
        }

        .news-empty {
            color: var(--jd-muted);
            font-size: 0.9rem;
            padding: 1.5rem;
            text-align: center;
            background: rgba(18, 62, 37, 0.5);
            border-radius: var(--jd-radius-sm);
            border: 1px dashed rgba(255, 215, 0, 0.2);
        }

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

        /* ==================== CTA SECTION ==================== */
        .cta-section {
            position: relative;
            padding: 4.5rem 0;
            background-image: linear-gradient(rgba(10, 46, 28, 0.85), rgba(10, 46, 28, 0.95)), url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-top: 1px solid var(--jd-border);
            border-bottom: 1px solid var(--jd-border);
        }

        .cta-content {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 2rem;
            align-items: center;
        }

        .cta-left h2 {
            font-size: var(--jd-h2-size);
            font-weight: 800;
            color: var(--jd-white);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }

        .cta-left p {
            font-size: 1rem;
            color: var(--jd-muted);
            margin-bottom: 0;
            max-width: 540px;
            line-height: 1.65;
        }

        .cta-right {
            display: flex;
            flex-wrap: wrap;
            gap: 0.85rem;
            justify-content: flex-end;
        }

        .btn-cta-gold {
            background: linear-gradient(135deg, var(--jd-gold) 0%, #e6c200 100%);
            color: var(--jd-deep);
            font-weight: 800;
            font-size: 1rem;
            padding: 1rem 2rem;
            border: none;
            border-radius: 40px;
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.45);
            transition: var(--jd-transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }

        .btn-cta-gold:hover {
            background: linear-gradient(135deg, #ffe033 0%, #f0d000 100%);
            box-shadow: 0 10px 30px rgba(255, 215, 0, 0.6);
            transform: translateY(-3px);
            color: var(--jd-deep);
        }

        .btn-cta-outline {
            background: transparent;
            color: var(--jd-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 1rem 1.8rem;
            border: 2px solid var(--jd-border);
            border-radius: 40px;
            transition: var(--jd-transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }

        .btn-cta-outline:hover {
            border-color: var(--jd-gold);
            background: rgba(255, 215, 0, 0.1);
            color: var(--jd-gold);
            transform: translateY(-3px);
        }

        @media (max-width: 767.98px) {
            .cta-content {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                text-align: left;
            }
            .cta-right {
                justify-content: flex-start;
            }
        }

        /* ==================== FAQ ==================== */
        .faq-wrap {
            max-width: 760px;
            margin: 0;
        }

        .accordion-site {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .accordion-item-site {
            background: rgba(18, 62, 37, 0.6);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--jd-radius-sm);
            overflow: hidden;
            transition: var(--jd-transition);
        }

        .accordion-item-site:hover {
            border-color: var(--jd-border);
        }

        .accordion-button-site {
            width: 100%;
            background: transparent;
            border: none;
            padding: 1.25rem 1.5rem;
            text-align: left;
            color: var(--jd-white);
            font-weight: 700;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            transition: var(--jd-transition);
            line-height: 1.4;
        }

        .accordion-button-site:hover {
            color: var(--jd-gold);
        }

        .accordion-button-site .fa-chevron-down {
            transition: transform 0.3s ease;
            font-size: 0.85rem;
            color: var(--jd-gold);
            flex-shrink: 0;
        }

        .accordion-item-site.open .accordion-button-site .fa-chevron-down {
            transform: rotate(180deg);
        }

        .accordion-body-site {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
        }

        .accordion-item-site.open .accordion-body-site {
            max-height: 400px;
            padding-bottom: 1.5rem;
        }

        .accordion-body-site p {
            font-size: 0.88rem;
            color: var(--jd-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ==================== FOOTER ==================== */
        .site-footer {
            background: rgba(6, 24, 15, 0.95);
            border-top: 1px solid var(--jd-border);
            padding: 3.5rem 0 1.5rem;
            position: relative;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand-text {
            font-size: 0.9rem;
            color: var(--jd-muted);
            line-height: 1.65;
            max-width: 320px;
            margin-top: 0.9rem;
        }

        .footer-brand-name {
            font-size: 1rem;
            font-weight: 800;
            color: var(--jd-white);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-brand-name .brand-icon-sm {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--jd-gold) 0%, #b8960f 100%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--jd-deep);
            font-size: 0.9rem;
        }

        .footer-heading {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--jd-gold);
            margin-bottom: 1rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-links li a {
            font-size: 0.85rem;
            color: var(--jd-muted);
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            transition: var(--jd-transition);
        }

        .footer-links li a:hover {
            color: var(--jd-gold);
            gap: 0.65rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.12);
            padding-top: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: space-between;
        }

        .footer-copy {
            font-size: 0.8rem;
            color: var(--jd-muted);
        }

        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
        }

        .footer-badge {
            font-size: 0.72rem;
            color: var(--jd-muted);
            border: 1px solid rgba(255, 215, 0, 0.2);
            padding: 0.35rem 0.75rem;
            border-radius: 20px;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        .footer-badge .fa {
            color: var(--jd-gold);
        }

        @media (max-width: 991.98px) {
            .footer-main {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 575.98px) {
            .footer-main {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ==================== FAB ==================== */
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1060;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1a1a1a 0%, #0d0d0d 100%);
            border: 3px solid var(--jd-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--jd-gold);
            font-size: 1.3rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--jd-transition);
            opacity: 0.7;
            animation: fab-breathe 2.5s ease-in-out infinite;
            position: fixed;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.7; }
            50% { opacity: 1; }
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }

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

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

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

        /* ==================== BOTTOM FIXED CTA BAR ==================== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(10, 46, 28, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--jd-border);
            padding: 0.75rem 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding-left: 5.5rem;
            transition: var(--jd-transition);
        }

        .bottom-cta-bar .bar-text {
            font-size: 0.82rem;
            color: var(--jd-muted);
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .bottom-cta-bar .bar-btn {
            background: linear-gradient(135deg, var(--jd-gold) 0%, #e6c200 100%);
            color: var(--jd-deep);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.6rem 1.3rem;
            border: none;
            border-radius: 30px;
            white-space: nowrap;
            transition: var(--jd-transition);
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
        }

        .bottom-cta-bar .bar-btn:hover {
            background: linear-gradient(135deg, #ffe033 0%, #f0d000 100%);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.45);
            color: var(--jd-deep);
        }

        @media (max-width: 575.98px) {
            .bottom-cta-bar {
                padding-left: 1rem;
                flex-wrap: wrap;
                gap: 0.5rem;
            }
            .bottom-cta-bar .bar-text {
                font-size: 0.75rem;
                flex: 1;
                min-width: 0;
            }
            .bottom-cta-bar .bar-btn {
                font-size: 0.78rem;
                padding: 0.5rem 1rem;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
                left: 0.75rem;
                bottom: 5.5rem;
            }
        }

        /* ==================== TRUST BAR ==================== */
        .trust-bar {
            background: rgba(18, 62, 37, 0.5);
            border-top: 1px solid rgba(255, 215, 0, 0.12);
            border-bottom: 1px solid rgba(255, 215, 0, 0.12);
            padding: 1.25rem 0;
        }

        .trust-bar .trust-items {
            display: flex;
            flex-wrap: wrap;
            justify-content: flex-start;
            gap: 1.5rem 2.5rem;
            align-items: center;
        }

        .trust-bar .trust-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--jd-muted);
            font-size: 0.8rem;
            font-weight: 500;
            white-space: nowrap;
        }

        .trust-bar .trust-item .fa {
            color: var(--jd-gold);
            font-size: 0.9rem;
        }

        @media (max-width: 575.98px) {
            .trust-bar .trust-items {
                gap: 1rem;
            }
            .trust-bar .trust-item {
                font-size: 0.72rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #0F0C20;
            --bg-ocean: #0B1A30;
            --bg-card: #151235;
            --bg-card-hover: #1A1540;
            --neon-lime: #CCFF00;
            --neon-cyan: #00F0FF;
            --neon-pink: #FF007F;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --text-muted: #6B7280;
            --border-neon: rgba(0, 240, 255, 0.25);
            --border-lime: rgba(204, 255, 0, 0.3);
            --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.15);
            --shadow-lime: 0 0 25px rgba(204, 255, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-main: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --spacing-section: 72px;
            --transition-fast: 0.2s ease;
            --transition-med: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1140px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-main);
            background: linear-gradient(165deg, var(--bg-deep) 0%, var(--bg-ocean) 50%, #0A0E18 100%);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background-image: radial-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
                radial-gradient(rgba(204, 255, 0, 0.02) 1px, transparent 1px);
            background-size: 48px 48px, 72px 72px;
            background-position: 0 0, 24px 24px;
            pointer-events: none;
            z-index: 0;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }

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

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

        button,
        .btn {
            transition: all var(--transition-med);
            cursor: pointer;
            font-family: var(--font-main);
        }

        button:focus-visible,
        .btn:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--neon-cyan);
            outline-offset: 2px;
        }

        ::selection {
            background: var(--neon-lime);
            color: #0F0C20;
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 10px 0;
        }

        .navbar-brand-site {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            padding: 4px 0;
        }

        .brand-icon {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--neon-cyan), var(--neon-lime));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #0F0C20;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
            flex-shrink: 0;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-text strong {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.3px;
        }

        .brand-text span {
            font-size: 0.7rem;
            color: var(--neon-cyan);
            font-weight: 500;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .navbar-toggler-site {
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-neon);
            color: var(--neon-cyan);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 1.2rem;
            transition: background var(--transition-fast);
        }

        .navbar-toggler-site:hover {
            background: rgba(0, 240, 255, 0.2);
        }

        .navbar-toggler-site:focus {
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.2);
            outline: none;
        }

        .navbar-collapse-site {
            gap: 16px;
        }

        .nav-link-site {
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.9rem;
            padding: 8px 14px;
            border-radius: 20px;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.2px;
        }

        .nav-link-site:hover,
        .nav-link-site.active {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.08);
        }

        .nav-link-site.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--neon-cyan);
            border-radius: 2px;
        }

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

        .btn-login-text {
            background: transparent;
            border: none;
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.85rem;
            padding: 8px 14px;
            border-radius: 20px;
            transition: all var(--transition-fast);
        }

        .btn-login-text:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }

        .btn-signup-nav {
            background: linear-gradient(135deg, var(--neon-lime), #99CC00);
            color: #0F0C20;
            border: none;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 10px 20px;
            border-radius: 24px;
            box-shadow: 0 0 16px rgba(204, 255, 0, 0.3);
            transition: all var(--transition-med);
            white-space: nowrap;
        }

        .btn-signup-nav:hover {
            box-shadow: 0 0 28px rgba(204, 255, 0, 0.5);
            transform: translateY(-1px);
        }

        /* ===== HERO ===== */
        .hero-section {
            padding: 60px 0 50px;
            position: relative;
        }

        .hero-bg-image {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.18;
            pointer-events: none;
            border-radius: var(--radius-xl);
            z-index: -1;
        }

        .hero-content {
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .hero-text-area {
            flex: 1 1 520px;
            min-width: 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-neon);
            color: var(--neon-cyan);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 18px;
        }

        .hero-badge i {
            font-size: 0.7rem;
        }

        .hero-text-area h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
            color: var(--text-white);
        }

        .hero-text-area h1 .highlight {
            background: linear-gradient(135deg, var(--neon-lime), var(--neon-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-lead {
            font-size: 1.05rem;
            color: var(--text-silver);
            line-height: 1.65;
            max-width: 560px;
            margin-bottom: 28px;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, var(--neon-lime), #A3CC00);
            color: #0F0C20;
            border: none;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 28px;
            box-shadow: 0 0 28px rgba(204, 255, 0, 0.35);
            transition: all var(--transition-med);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-hero-primary:hover {
            box-shadow: 0 0 40px rgba(204, 255, 0, 0.55);
            transform: translateY(-2px);
            color: #0F0C20;
        }

        .btn-hero-secondary {
            background: transparent;
            border: 1px solid var(--border-neon);
            color: var(--neon-cyan);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 13px 26px;
            border-radius: 28px;
            transition: all var(--transition-med);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-secondary:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--neon-cyan);
            color: var(--text-white);
        }

        .hero-visual {
            flex: 0 0 300px;
            max-width: 300px;
            position: relative;
        }

        .phone-frame {
            background: linear-gradient(160deg, #1A1540, #0F0C20);
            border: 2px solid var(--border-neon);
            border-radius: 32px;
            padding: 14px;
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.2), 0 20px 50px rgba(0, 0, 0, 0.4);
            position: relative;
        }

        .phone-frame::before {
            content: '';
            position: absolute;
            top: 10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 5px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 3px;
        }

        .phone-frame img {
            border-radius: 20px;
            width: 100%;
            aspect-ratio: 9 / 16;
            object-fit: cover;
        }

        .phone-glow {
            position: absolute;
            inset: -12px;
            background: radial-gradient(ellipse, rgba(0, 240, 255, 0.12), transparent 70%);
            border-radius: 40px;
            pointer-events: none;
            z-index: -1;
        }

        /* ===== SECTION COMMON ===== */
        .section-block {
            padding: var(--spacing-section) 0;
        }

        .section-header {
            margin-bottom: 42px;
            max-width: 640px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 750;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
            color: var(--text-white);
            line-height: 1.3;
        }

        .section-header p {
            color: var(--text-silver);
            font-size: 0.98rem;
            line-height: 1.65;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--neon-lime);
            margin-bottom: 10px;
        }

        .section-tag i {
            font-size: 0.65rem;
        }

        /* ===== STEP FLOW ===== */
        .steps-grid {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: space-between;
        }

        .step-connector {
            flex: 0 0 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1.1rem;
            padding-top: 28px;
        }

        .step-item {
            flex: 1 1 220px;
            min-width: 0;
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            transition: all var(--transition-med);
            position: relative;
        }

        .step-item:hover {
            border-color: var(--border-neon);
            box-shadow: var(--shadow-neon);
            transform: translateY(-3px);
            background: var(--bg-card-hover);
        }

        .step-number {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--neon-cyan), #00B8CC);
            color: #0F0C20;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 16px;
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.3);
        }

        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }

        .step-item p {
            font-size: 0.88rem;
            color: var(--text-silver);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== PLATFORM COMPARE ===== */
        .platform-grid {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .platform-card {
            flex: 1 1 420px;
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition-med);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .platform-card:hover {
            border-color: var(--border-lime);
            box-shadow: var(--shadow-lime);
            background: var(--bg-card-hover);
        }

        .platform-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            flex-shrink: 0;
        }

        .platform-icon.ios-icon {
            background: rgba(0, 240, 255, 0.12);
            color: var(--neon-cyan);
            border: 1px solid var(--border-neon);
        }

        .platform-icon.android-icon {
            background: rgba(204, 255, 0, 0.1);
            color: var(--neon-lime);
            border: 1px solid var(--border-lime);
        }

        .platform-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }

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

        .platform-card ul li {
            font-size: 0.9rem;
            color: var(--text-silver);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.5;
        }

        .platform-card ul li i {
            color: var(--neon-cyan);
            font-size: 0.85rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .platform-card .btn-platform {
            margin-top: auto;
            background: transparent;
            border: 1px solid var(--border-neon);
            color: var(--neon-cyan);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 12px 20px;
            border-radius: 24px;
            text-align: center;
            transition: all var(--transition-med);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .platform-card .btn-platform:hover {
            background: rgba(0, 240, 255, 0.12);
            border-color: var(--neon-cyan);
            color: var(--text-white);
        }

        /* ===== STATS BAND ===== */
        .stats-band {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), rgba(204, 255, 0, 0.04));
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .stat-item {
            flex: 1 1 140px;
            text-align: center;
            min-width: 0;
        }

        .stat-item .stat-value {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
            line-height: 1.2;
        }

        .stat-item .stat-value .stat-accent {
            color: var(--neon-cyan);
        }

        .stat-item .stat-label {
            font-size: 0.82rem;
            color: var(--text-silver);
            font-weight: 500;
            margin-top: 4px;
        }

        .stat-divider {
            width: 1px;
            height: 48px;
            background: rgba(0, 240, 255, 0.15);
            flex-shrink: 0;
        }

        /* ===== NOTICE SECTION ===== */
        .notice-grid {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }

        .notice-item {
            flex: 1 1 280px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 20px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-fast);
        }

        .notice-item:hover {
            border-color: rgba(0, 240, 255, 0.2);
            background: rgba(0, 240, 255, 0.04);
        }

        .notice-icon {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            background: rgba(204, 255, 0, 0.1);
            color: var(--neon-lime);
            border: 1px solid rgba(204, 255, 0, 0.2);
        }

        .notice-item h4 {
            font-size: 0.95rem;
            font-weight: 650;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .notice-item p {
            font-size: 0.85rem;
            color: var(--text-silver);
            line-height: 1.55;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 760px;
        }

        .accordion-faq .accordion-item {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.1);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .accordion-faq .accordion-item:hover {
            border-color: rgba(0, 240, 255, 0.25);
        }

        .accordion-faq .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 650;
            font-size: 0.95rem;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
            transition: all var(--transition-fast);
        }

        .accordion-faq .accordion-button:not(.collapsed) {
            background: rgba(0, 240, 255, 0.05);
            color: var(--neon-cyan);
            box-shadow: none;
        }

        .accordion-faq .accordion-button::after {
            filter: brightness(0) invert(1);
            opacity: 0.6;
        }

        .accordion-faq .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(0, 240, 255, 0.2);
            outline: none;
        }

        .accordion-faq .accordion-body {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.7;
            padding: 0 20px 18px;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(204, 255, 0, 0.06), rgba(0, 240, 255, 0.05));
            border: 1px solid rgba(204, 255, 0, 0.18);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.08), transparent 70%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 750;
            color: var(--text-white);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--text-silver);
            max-width: 560px;
            line-height: 1.65;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .cta-btn-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-cta-lime {
            background: linear-gradient(135deg, var(--neon-lime), #A3CC00);
            color: #0F0C20;
            border: none;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 14px 30px;
            border-radius: 28px;
            box-shadow: 0 0 24px rgba(204, 255, 0, 0.3);
            transition: all var(--transition-med);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-cta-lime:hover {
            box-shadow: 0 0 36px rgba(204, 255, 0, 0.5);
            transform: translateY(-2px);
            color: #0F0C20;
        }

        .btn-cta-outline {
            background: transparent;
            border: 1px solid var(--border-neon);
            color: var(--neon-cyan);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 13px 24px;
            border-radius: 28px;
            transition: all var(--transition-med);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-cta-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--neon-cyan);
            color: var(--text-white);
        }

        /* ===== STICKY BOTTOM BAR ===== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(15, 12, 32, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            padding: 12px 0;
            display: flex;
            align-items: center;
        }

        .sticky-bottom-bar .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .sticky-bar-info {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .sticky-bar-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--neon-cyan), var(--neon-lime));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0F0C20;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .sticky-bar-text strong {
            display: block;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.3;
        }

        .sticky-bar-text span {
            font-size: 0.75rem;
            color: var(--text-silver);
        }

        .btn-sticky-download {
            background: linear-gradient(135deg, var(--neon-lime), #A3CC00);
            color: #0F0C20;
            border: none;
            font-weight: 700;
            font-size: 0.88rem;
            padding: 12px 24px;
            border-radius: 26px;
            box-shadow: 0 0 20px rgba(204, 255, 0, 0.3);
            transition: all var(--transition-med);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .btn-sticky-download:hover {
            box-shadow: 0 0 32px rgba(204, 255, 0, 0.5);
            transform: translateY(-1px);
        }

        /* ===== FAB LEFT ===== */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.8);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(15, 12, 32, 0.8), rgba(15, 12, 32, 0.8)), linear-gradient(135deg, var(--neon-lime), var(--neon-cyan));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-cyan);
            font-size: 1.3rem;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
            transition: all var(--transition-med);
            opacity: 0.65;
            animation: fabBreath 3.2s ease-in-out infinite;
        }

        .fab-left:hover {
            opacity: 1;
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.55);
            transform: scale(1.08);
            color: var(--text-white);
        }

        .fab-left:active {
            transform: scale(0.94);
            border-color: var(--neon-pink);
            color: var(--neon-pink);
        }

        .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: var(--neon-pink);
            border-radius: 50%;
            box-shadow: 0 0 8px rgba(255, 0, 127, 0.7);
            animation: blinkDot 1.4s ease-in-out infinite;
        }

        @keyframes fabBreath {
            0%, 100% {
                box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
            }
            50% {
                box-shadow: 0 0 26px rgba(0, 240, 255, 0.5);
            }
        }

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

        /* ===== FOOTER ===== */
        .site-footer {
            background: rgba(8, 6, 18, 0.9);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: 48px 0 28px;
            margin-top: 20px;
            position: relative;
            z-index: 1;
        }

        .footer-main {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .footer-main > div:first-child {
            flex: 1 1 320px;
            max-width: 360px;
            min-width: 0;
        }

        .footer-main > div:not(:first-child) {
            flex: 0 0 180px;
            min-width: 0;
        }

        .footer-brand-name {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .brand-icon-sm {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--neon-cyan), var(--neon-lime));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #0F0C20;
            flex-shrink: 0;
        }

        .footer-brand-text {
            font-size: 0.85rem;
            color: var(--text-silver);
            line-height: 1.6;
        }

        .footer-heading {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

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

        .footer-links li a {
            color: var(--text-silver);
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links li a i {
            font-size: 0.7rem;
            color: var(--neon-cyan);
        }

        .footer-links li a:hover {
            color: var(--text-white);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

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

        .footer-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            color: var(--text-silver);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 5px 12px;
            border-radius: 16px;
            transition: all var(--transition-fast);
        }

        .footer-badge i {
            color: var(--neon-cyan);
            font-size: 0.7rem;
        }

        .footer-badge:hover {
            border-color: rgba(0, 240, 255, 0.25);
            background: rgba(0, 240, 255, 0.05);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 991px) {
            .hero-content {
                gap: 32px;
            }

            .hero-text-area h1 {
                font-size: 2.1rem;
            }

            .hero-visual {
                flex: 0 0 220px;
                max-width: 220px;
            }

            .step-connector {
                display: none;
            }

            .steps-grid {
                gap: 14px;
            }

            .step-item {
                flex: 1 1 calc(50% - 14px);
                min-width: 140px;
            }

            .stat-divider {
                display: none;
            }

            .stat-item .stat-value {
                font-size: 1.6rem;
            }

            .section-block {
                padding: 52px 0;
            }

            .navbar-collapse-site {
                padding: 12px 0;
                background: rgba(15, 12, 32, 0.98);
                border-radius: 12px;
                margin-top: 8px;
                border: 1px solid rgba(0, 240, 255, 0.1);
            }

            .nav-auth-group {
                padding: 8px 4px;
                border-top: 1px solid rgba(255, 255, 255, 0.05);
                margin-top: 8px;
                gap: 6px;
            }
        }

        @media (max-width: 767px) {
            .hero-section {
                padding: 40px 0 36px;
            }

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

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

            .hero-visual {
                flex: 0 0 100%;
                max-width: 220px;
                margin: 0 auto;
            }

            .btn-hero-primary,
            .btn-hero-secondary {
                padding: 12px 22px;
                font-size: 0.9rem;
            }

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

            .step-item {
                flex: 1 1 100%;
                padding: 20px 16px;
            }

            .platform-card {
                flex: 1 1 100%;
                padding: 24px 20px;
            }

            .stats-band {
                padding: 24px 16px;
                gap: 16px;
            }

            .stat-item .stat-value {
                font-size: 1.4rem;
            }

            .notice-item {
                flex: 1 1 100%;
            }

            .cta-section {
                padding: 32px 20px;
            }

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

            .sticky-bottom-bar {
                padding: 10px 0;
            }

            .sticky-bar-text strong {
                font-size: 0.8rem;
            }

            .sticky-bar-text span {
                font-size: 0.7rem;
            }

            .btn-sticky-download {
                padding: 10px 16px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .hero-text-area h1 {
                font-size: 1.55rem;
            }

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

            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                justify-content: center;
            }

            .section-block {
                padding: 40px 0;
            }

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

            .footer-main > div:first-child {
                flex: 1 1 100%;
                max-width: 100%;
            }

            .footer-main > div:not(:first-child) {
                flex: 1 1 140px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }

            .sticky-bottom-bar .container-custom {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
            }

            .sticky-bar-info {
                justify-content: center;
            }

            .btn-sticky-download {
                justify-content: center;
            }

            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
                left: 12px;
                bottom: 110px;
            }

            .footer-main {
                gap: 24px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-deep: #071F12;
            --bg-card: #0D3522;
            --bg-card-hover: #124A2E;
            --accent-gold: #FFD700;
            --accent-gold-soft: #F0C550;
            --accent-gold-dim: rgba(255, 215, 0, 0.15);
            --accent-red: #D32F2F;
            --accent-red-soft: #E84C3D;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #9BBFAE;
            --text-gold: #FEF08A;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-gold-strong: rgba(255, 215, 0, 0.6);
            --border-card: rgba(255, 255, 255, 0.08);
            --shadow-card: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 16px 42px rgba(0, 0, 0, 0.5);
            --shadow-gold-glow: 0 4px 20px rgba(255, 215, 0, 0.25);
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 26px;
            --radius-pill: 50px;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-size-sm: 0.875rem;
            --font-size-base: 1rem;
            --font-size-md: 1.125rem;
            --font-size-lg: 1.25rem;
            --font-size-xl: 1.5rem;
            --font-size-2xl: 2rem;
            --font-size-3xl: 2.5rem;
            --font-size-4xl: 3rem;
            --line-height-relaxed: 1.6;
            --line-height-loose: 1.7;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

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

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

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        @media (min-width: 1200px) {
            .container-custom {
                padding-left: 40px;
                padding-right: 40px;
            }
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            background: rgba(7, 31, 18, 0.96);
            border-bottom: 1px solid var(--border-card);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
            background: rgba(7, 31, 18, 0.99);
        }

        .navbar-brand-site {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 0;
            user-select: none;
        }

        .navbar-brand-site:hover {
            opacity: 0.9;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent-gold), #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0A2E1C;
            font-size: 1.15rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold-glow);
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-text strong {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: 0.02em;
        }

        .brand-text span {
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .nav-link-site {
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 0.925rem;
            padding: 10px 14px !important;
            border-radius: 8px;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
        }

        .nav-link-site:hover {
            color: var(--accent-gold) !important;
            background: var(--accent-gold-dim);
        }

        .nav-link-site.active {
            color: var(--accent-gold) !important;
            background: var(--accent-gold-dim);
            font-weight: 600;
        }

        .nav-auth-group {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 12px;
        }

        .btn-login-text {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.925rem;
            padding: 8px 14px;
            border-radius: 8px;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .btn-login-text:hover {
            color: var(--accent-gold);
            background: var(--accent-gold-dim);
        }

        .btn-signup-nav {
            background: linear-gradient(135deg, var(--accent-gold), #DAA520);
            color: #0A2E1C;
            font-weight: 700;
            font-size: 0.925rem;
            padding: 10px 20px;
            border-radius: 30px;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.3);
            letter-spacing: 0.01em;
        }

        .btn-signup-nav:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.45);
            color: #0A2E1C;
        }

        .navbar-toggler-site {
            border: 1px solid var(--border-gold);
            border-radius: 10px;
            color: var(--accent-gold);
            font-size: 1.25rem;
            padding: 8px 12px;
            transition: background var(--transition-fast);
        }

        .navbar-toggler-site:hover {
            background: var(--accent-gold-dim);
        }

        @media (max-width: 991.98px) {
            .navbar-collapse-site {
                background: rgba(7, 31, 18, 0.98);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                padding: 12px 16px 20px;
                border: 1px solid var(--border-card);
                border-top: none;
                margin-top: 4px;
            }

            .nav-link-site {
                padding: 12px 10px !important;
                border-bottom: 1px solid var(--border-card);
                border-radius: 0;
            }

            .nav-link-site:last-of-type {
                border-bottom: none;
            }

            .nav-auth-group {
                flex-direction: row;
                gap: 8px;
                margin-left: 0;
                margin-top: 12px;
                padding-top: 12px;
            }

            .btn-login-text {
                flex: 1;
                text-align: center;
                padding: 10px 14px;
                border: 1px solid var(--border-gold);
            }

            .btn-signup-nav {
                flex: 1;
                text-align: center;
                padding: 10px 14px;
            }
        }

        @media (max-width: 520px) {
            .brand-text strong {
                font-size: 0.9rem;
            }

            .brand-text span {
                font-size: 0.6rem;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
                border-radius: 10px;
            }

            .btn-signup-nav,
            .btn-login-text {
                font-size: 0.8rem;
                padding: 8px 12px;
            }
        }

        /* ===== BREADCRUMB ===== */
        .breadcrumb-section {
            background: var(--bg-deep);
            border-bottom: 1px solid var(--border-card);
            padding: 18px 0;
        }

        .breadcrumb-site {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .breadcrumb-site a {
            color: var(--accent-gold);
            font-weight: 500;
            transition: color var(--transition-fast);
        }

        .breadcrumb-site a:hover {
            color: var(--accent-gold-soft);
        }

        .breadcrumb-sep {
            color: var(--text-muted);
            font-size: 0.75rem;
        }

        .breadcrumb-current {
            color: var(--text-secondary);
            font-weight: 500;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ===== ARTICLE MAIN ===== */
        .article-main {
            padding: var(--spacing-xl) 0;
        }

        .article-container {
            max-width: 860px;
            margin: 0 auto;
        }

        .article-header-section {
            margin-bottom: var(--spacing-lg);
        }

        .article-meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-gold-dim);
            color: var(--accent-gold);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-gold);
            letter-spacing: 0.02em;
        }

        .article-date-text {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-date-text i {
            color: var(--accent-gold);
            font-size: 0.8rem;
        }

        .article-main-title {
            font-size: var(--font-size-3xl);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .article-highlight-box {
            background: var(--bg-card);
            border-left: 4px solid var(--accent-gold);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 18px 22px;
            margin-bottom: var(--spacing-lg);
        }

        .article-highlight-box p {
            color: var(--text-secondary);
            font-size: var(--font-size-md);
            line-height: var(--line-height-loose);
            margin-bottom: 0;
            font-weight: 500;
        }

        .article-featured-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: var(--spacing-lg);
            border: 1px solid var(--border-gold);
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .article-featured-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, rgba(7, 31, 18, 0.35), transparent);
            pointer-events: none;
        }

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

        /* ===== ARTICLE BODY CONTENT ===== */
        .article-body-content {
            color: var(--text-secondary);
            font-size: var(--font-size-base);
            line-height: var(--line-height-loose);
        }

        .article-body-content p {
            margin-bottom: 1.2rem;
        }

        .article-body-content h2 {
            font-size: var(--font-size-2xl);
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 2.2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .article-body-content h3 {
            font-size: var(--font-size-xl);
            font-weight: 700;
            color: var(--accent-gold);
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            line-height: 1.35;
        }

        .article-body-content h4 {
            font-size: var(--font-size-lg);
            font-weight: 600;
            color: var(--text-primary);
            margin-top: 1.5rem;
            margin-bottom: 0.7rem;
        }

        .article-body-content ul,
        .article-body-content ol {
            margin-bottom: 1.2rem;
            padding-left: 1.5rem;
        }

        .article-body-content ul {
            list-style: disc;
        }

        .article-body-content ol {
            list-style: decimal;
        }

        .article-body-content li {
            margin-bottom: 0.5rem;
            line-height: var(--line-height-loose);
        }

        .article-body-content a {
            color: var(--accent-gold);
            font-weight: 500;
            border-bottom: 1px dashed var(--border-gold);
            transition: border-color var(--transition-fast);
        }

        .article-body-content a:hover {
            border-bottom-color: var(--accent-gold);
        }

        .article-body-content strong {
            color: var(--text-primary);
            font-weight: 700;
        }

        .article-body-content blockquote {
            background: var(--bg-card);
            border-left: 4px solid var(--accent-gold);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 18px 24px;
            margin: 1.5rem 0;
            color: var(--text-gold);
            font-style: italic;
            font-size: var(--font-size-md);
            line-height: var(--line-height-loose);
        }

        .article-body-content img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-card);
        }

        .article-body-content hr {
            border: none;
            border-top: 1px solid var(--border-card);
            margin: 2rem 0;
        }

        .article-body-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }

        .article-body-content table th,
        .article-body-content table td {
            padding: 10px 14px;
            border: 1px solid var(--border-card);
            text-align: left;
        }

        .article-body-content table th {
            background: var(--bg-card);
            color: var(--accent-gold);
            font-weight: 600;
        }

        .article-not-found {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 50px 30px;
            text-align: center;
        }

        .article-not-found .icon-not-found {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .article-not-found h2 {
            font-size: var(--font-size-xl);
            color: var(--text-primary);
            font-weight: 700;
            margin-bottom: 10px;
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 22px;
        }

        /* ===== ARTICLE CTA BANNER ===== */
        .article-cta-banner {
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            margin-top: var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
        }

        .article-cta-text {
            flex: 1;
            min-width: 240px;
        }

        .article-cta-text h3 {
            font-size: var(--font-size-xl);
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 6px;
        }

        .article-cta-text p {
            color: var(--text-secondary);
            font-size: 0.925rem;
            margin-bottom: 0;
        }

        .article-cta-actions {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* ===== BUTTONS ===== */
        .btn-gold-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-gold), #DAA520);
            color: #0A2E1C;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            border: none;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            letter-spacing: 0.01em;
            text-align: center;
            justify-content: center;
        }

        .btn-gold-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.45);
            color: #0A2E1C;
        }

        .btn-gold-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.25);
        }

        .btn-gold-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 11px 22px;
            border-radius: var(--radius-pill);
            border: 1.5px solid var(--border-gold);
            transition: background var(--transition-fast), transform var(--transition-fast);
            text-align: center;
            justify-content: center;
        }

        .btn-gold-outline:hover {
            background: var(--accent-gold-dim);
            color: var(--accent-gold);
            transform: translateY(-1px);
        }

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

        /* ===== FAQ SECTION ===== */
        .faq-section {
            margin-top: var(--spacing-2xl);
            padding: var(--spacing-xl) 0;
            background: var(--bg-deep);
            border-top: 1px solid var(--border-card);
            border-bottom: 1px solid var(--border-card);
        }

        .faq-section .section-title {
            font-size: var(--font-size-2xl);
            font-weight: 800;
            color: var(--text-primary);
            text-align: left;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .faq-section .section-subtitle {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 28px;
            text-align: left;
        }

        .accordion-faq .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

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

        .accordion-faq .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 20px;
            border: none;
            outline: none;
            box-shadow: none !important;
            transition: color var(--transition-fast);
        }

        .accordion-faq .accordion-button:not(.collapsed) {
            color: var(--accent-gold);
            background: transparent;
        }

        .accordion-faq .accordion-button::after {
            filter: brightness(0) invert(1);
            opacity: 0.7;
        }

        .accordion-faq .accordion-button:focus {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

        .accordion-faq .accordion-body {
            color: var(--text-secondary);
            font-size: 0.925rem;
            line-height: var(--line-height-loose);
            padding: 0 20px 18px;
        }

        /* ===== BOTTOM CTA SECTION ===== */
        .bottom-cta-section {
            padding: var(--spacing-2xl) 0;
            background: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary));
        }

        .bottom-cta-panel {
            background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card-hover);
            position: relative;
            overflow: hidden;
        }

        .bottom-cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08), transparent 70%);
            pointer-events: none;
        }

        .bottom-cta-text {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }

        .bottom-cta-text h2 {
            font-size: var(--font-size-2xl);
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .bottom-cta-text p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        .bottom-cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ===== FLOATING ACTION BUTTON ===== */
        .fab-gold {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1A1A, #0D0D0D);
            border: 2.5px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            cursor: pointer;
            opacity: 0.75;
            animation: fab-breathe 3s ease-in-out infinite;
            transition: opacity var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
        }

        .fab-gold:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }

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

        .fab-gold .fab-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: fab-blink 1.8s ease-in-out infinite;
        }

        .fab-gold .fab-tooltip {
            position: absolute;
            left: 65px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--bg-card);
            color: var(--text-primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 8px 14px;
            border-radius: 8px;
            border: 1px solid var(--border-gold);
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-fast), left var(--transition-fast);
        }

        .fab-gold:hover .fab-tooltip {
            opacity: 1;
            left: 70px;
        }

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

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

        /* ===== BOTTOM FIXED CONVERSION BAR ===== */
        .bottom-conversion-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(7, 31, 18, 0.97);
            border-top: 1px solid var(--border-gold);
            padding: 12px 16px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
            box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.4);
        }

        .bottom-conversion-bar .conv-text {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .bottom-conversion-bar .conv-text i {
            color: var(--accent-gold);
        }

        .bottom-conversion-bar .btn-gold-primary {
            padding: 10px 20px;
            font-size: 0.85rem;
        }

        @media (max-width: 768px) {
            .bottom-conversion-bar {
                padding: 10px 12px;
                gap: 10px;
            }

            .bottom-conversion-bar .conv-text {
                font-size: 0.8rem;
                flex: 1;
                min-width: 120px;
            }

            .bottom-conversion-bar .btn-gold-primary {
                padding: 8px 16px;
                font-size: 0.78rem;
            }
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-card);
            padding: 40px 0 24px;
            margin-top: var(--spacing-xl);
        }

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

        @media (max-width: 768px) {
            .footer-main {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        .footer-brand-name {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }

        .brand-icon-sm {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent-gold), #B8860B);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #0A2E1C;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .footer-brand-text {
            color: var(--text-muted);
            font-size: 0.875rem;
            line-height: var(--line-height-relaxed);
            max-width: 360px;
        }

        .footer-heading {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

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

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.875rem;
            transition: color var(--transition-fast), padding-left var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a i {
            color: var(--accent-gold);
            font-size: 0.7rem;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            padding-top: 20px;
            border-top: 1px solid var(--border-card);
        }

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

        .footer-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-card);
            color: var(--text-secondary);
            font-size: 0.75rem;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-card);
        }

        .footer-badge i {
            color: var(--accent-gold);
            font-size: 0.7rem;
        }

        /* ===== RESPONSIVE ADJUSTMENTS ===== */
        @media (max-width: 1024px) {
            :root {
                --font-size-4xl: 2.75rem;
                --font-size-3xl: 2.25rem;
                --font-size-2xl: 1.75rem;
                --font-size-xl: 1.35rem;
            }

            .article-container {
                max-width: 100%;
            }
        }

        @media (max-width: 768px) {
            :root {
                --font-size-4xl: 2.25rem;
                --font-size-3xl: 1.85rem;
                --font-size-2xl: 1.5rem;
                --font-size-xl: 1.25rem;
                --font-size-lg: 1.05rem;
                --spacing-xl: 32px;
                --spacing-2xl: 44px;
            }

            .article-main {
                padding: 24px 0;
            }

            .article-main-title {
                font-size: var(--font-size-2xl);
                line-height: 1.3;
            }

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

            .article-cta-banner {
                padding: 22px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .article-cta-actions {
                width: 100%;
            }

            .article-cta-actions .btn-gold-primary,
            .article-cta-actions .btn-gold-outline {
                flex: 1;
                padding: 11px 16px;
                font-size: 0.85rem;
            }

            .bottom-cta-panel {
                padding: 28px 22px;
                flex-direction: column;
                align-items: flex-start;
                gap: 18px;
            }

            .bottom-cta-actions {
                width: 100%;
            }

            .bottom-cta-actions .btn-gold-primary,
            .bottom-cta-actions .btn-gold-outline {
                flex: 1;
                text-align: center;
                justify-content: center;
            }

            .article-highlight-box {
                padding: 14px 16px;
            }

            .article-highlight-box p {
                font-size: 0.95rem;
            }

            .faq-section .section-title {
                font-size: var(--font-size-xl);
            }
        }

        @media (max-width: 520px) {
            :root {
                --font-size-2xl: 1.3rem;
                --font-size-xl: 1.15rem;
                --font-size-lg: 1rem;
                --spacing-lg: 20px;
                --spacing-xl: 24px;
                --spacing-2xl: 32px;
            }

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

            .article-main-title {
                font-size: 1.35rem;
            }

            .article-featured-image img {
                aspect-ratio: 16 / 11;
            }

            .article-meta-row {
                gap: 8px;
            }

            .article-category-badge {
                font-size: 0.72rem;
                padding: 5px 10px;
            }

            .article-date-text {
                font-size: 0.75rem;
            }

            .article-body-content {
                font-size: 0.925rem;
            }

            .article-body-content h2 {
                font-size: 1.25rem;
                margin-top: 1.6rem;
            }

            .article-body-content h3 {
                font-size: 1.1rem;
                margin-top: 1.4rem;
            }

            .article-body-content blockquote {
                padding: 14px 16px;
                font-size: 0.9rem;
            }

            .article-cta-banner {
                padding: 18px 16px;
                border-radius: var(--radius-md);
            }

            .article-cta-text h3 {
                font-size: 1.1rem;
            }

            .article-cta-actions {
                flex-direction: column;
                gap: 8px;
            }

            .article-cta-actions .btn-gold-primary,
            .article-cta-actions .btn-gold-outline {
                width: 100%;
                padding: 10px 14px;
                font-size: 0.8rem;
            }

            .faq-section .section-title {
                font-size: 1.2rem;
            }

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

            .accordion-faq .accordion-body {
                font-size: 0.85rem;
                padding: 0 14px 14px;
            }

            .bottom-cta-panel {
                padding: 22px 16px;
                border-radius: var(--radius-lg);
            }

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

            .bottom-cta-text p {
                font-size: 0.85rem;
            }

            .bottom-cta-actions {
                flex-direction: column;
                gap: 8px;
            }

            .bottom-cta-actions .btn-gold-primary {
                width: 100%;
                text-align: center;
                justify-content: center;
                padding: 10px 14px;
                font-size: 0.82rem;
            }

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

            .fab-gold .fab-tooltip {
                display: none;
            }

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

            .footer-brand-text {
                max-width: 100%;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        /* ===== ACCESSIBILITY FOCUS ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== PRINT ===== */
        @media print {
            .site-header,
            .site-footer,
            .fab-gold,
            .bottom-conversion-bar,
            .article-cta-banner,
            .faq-section,
            .bottom-cta-section {
                display: none !important;
            }

            body {
                background: #fff;
                color: #000;
                font-size: 12pt;
            }

            .article-body-content {
                color: #333;
            }

            .article-main-title {
                color: #000;
            }
        }

/* roulang page: category2 */
/* ============ DESIGN VARIABLES ============ */
        :root {
            --primary-bg: #08090F;
            --secondary-bg: #0D111E;
            --card-bg: #111827;
            --card-bg-hover: #1A2236;
            --accent-primary: #0052FF;
            --accent-secondary: #00F0FF;
            --accent-glow: rgba(0, 240, 255, 0.35);
            --accent-blue-glow: rgba(0, 82, 255, 0.4);
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #94A3B8;
            --border-subtle: rgba(203, 213, 225, 0.12);
            --border-hover: rgba(0, 240, 255, 0.45);
            --border-accent: rgba(0, 82, 255, 0.55);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.45);
            --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 25px rgba(0, 240, 255, 0.25);
            --shadow-blue-glow: 0 0 30px rgba(0, 82, 255, 0.3);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 56px;
            --spacing-xl: 80px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Be Vietnam Pro', 'Inter', sans-serif;
            --container-max: 1200px;
        }
        
        /* ============ BASE RESET ============ */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            position: relative;
            min-height: 100vh;
        }
        
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(0, 240, 255, 0.015) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 240, 255, 0.015) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
            z-index: 0;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        
        a:hover {
            color: var(--accent-secondary);
        }
        
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        
        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 2px;
        }
        
        ul, ol {
            list-style: none;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 0;
            color: var(--text-white);
        }
        
        /* ============ CONTAINER ============ */
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            position: relative;
            z-index: 1;
        }
        
        /* ============ HEADER / NAV ============ */
        .site-header {
            background-color: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 14px 0;
            transition: all var(--transition-base);
        }
        
        .site-header.scrolled {
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.5);
            background-color: rgba(8, 9, 15, 0.98);
        }
        
        .navbar-brand-site {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin: 0;
            flex-shrink: 0;
        }
        
        .brand-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--text-white);
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }
        
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        
        .brand-text strong {
            font-size: 17px;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.3px;
        }
        
        .brand-text span {
            font-size: 11px;
            color: var(--accent-secondary);
            font-weight: 500;
            letter-spacing: 0.2px;
        }
        
        .navbar-toggler-site {
            border: 1px solid var(--border-subtle);
            color: var(--text-white);
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: all var(--transition-fast);
        }
        
        .navbar-toggler-site:hover {
            background-color: var(--card-bg);
            border-color: var(--border-hover);
            color: var(--accent-secondary);
        }
        
        .navbar-collapse-site {
            transition: all var(--transition-base);
        }
        
        .nav-link-site {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-silver);
            padding: 8px 16px !important;
            border-radius: 8px;
            position: relative;
            transition: all var(--transition-fast);
            letter-spacing: 0.2px;
        }
        
        .nav-link-site:hover {
            color: var(--text-white);
            background-color: rgba(255, 255, 255, 0.04);
        }
        
        .nav-link-site.active {
            color: var(--accent-secondary);
            background-color: rgba(0, 240, 255, 0.08);
            font-weight: 600;
        }
        
        .nav-link-site.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
            border-radius: 2px;
        }
        
        .nav-auth-group {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 16px;
        }
        
        .btn-login-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-silver);
            padding: 9px 16px;
            border-radius: 10px;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }
        
        .btn-login-text:hover {
            color: var(--text-white);
            background-color: rgba(255, 255, 255, 0.06);
        }
        
        .btn-signup-nav {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-white);
            padding: 10px 20px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-primary), #0038CC);
            box-shadow: var(--shadow-blue-glow);
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        
        .btn-signup-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 40px rgba(0, 82, 255, 0.5);
            background: linear-gradient(135deg, #1A62FF, var(--accent-primary));
            color: var(--text-white);
        }
        
        /* ============ HERO ============ */
        .hero-section {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: linear-gradient(165deg, var(--primary-bg) 0%, var(--secondary-bg) 50%, #070A12 100%);
            position: relative;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -15%;
            width: 60%;
            height: 80%;
            background: radial-gradient(ellipse at center, rgba(0, 82, 255, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 50%;
            height: 60%;
            background: radial-gradient(ellipse at center, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: 100px;
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-secondary);
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        
        .hero-badge i {
            font-size: 12px;
            animation: pulse-dot 2s infinite;
        }
        
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        
        .hero-title {
            font-size: 42px;
            font-weight: 900;
            letter-spacing: -1.2px;
            line-height: 1.15;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #FFFFFF 40%, var(--accent-secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hero-subtitle {
            font-size: 17px;
            color: var(--text-silver);
            max-width: 560px;
            line-height: 1.7;
            margin-bottom: 30px;
        }
        
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }
        
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            padding: 15px 28px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent-primary), #0038CC);
            box-shadow: var(--shadow-blue-glow);
            transition: all var(--transition-base);
            letter-spacing: 0.4px;
        }
        
        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 82, 255, 0.55);
            background: linear-gradient(135deg, #1A62FF, var(--accent-primary));
            color: var(--text-white);
        }
        
        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-silver);
            padding: 15px 24px;
            border-radius: 12px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }
        
        .btn-hero-secondary:hover {
            border-color: var(--border-hover);
            color: var(--accent-secondary);
            background-color: rgba(0, 240, 255, 0.05);
        }
        
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
        }
        
        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .hero-stat-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--accent-secondary);
            flex-shrink: 0;
        }
        
        .hero-stat-number {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
        }
        
        .hero-stat-label {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        
        .hero-illustration {
            background: linear-gradient(145deg, var(--card-bg), #0A0F1E);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        
        .hero-illustration img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.9;
        }
        
        .hero-illustration::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.15) 0%, rgba(8, 9, 15, 0.55) 100%);
            pointer-events: none;
        }
        
        .hero-overlay-badge {
            position: absolute;
            bottom: 20px;
            right: 20px;
            z-index: 2;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 12px;
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .hero-overlay-badge i {
            font-size: 22px;
            color: var(--accent-secondary);
        }
        
        .hero-overlay-badge span {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-white);
        }
        
        .hero-overlay-badge small {
            display: block;
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 400;
        }
        
        /* ============ SECTION BASE ============ */
        .section-block {
            padding: var(--spacing-lg) 0;
            position: relative;
            z-index: 1;
        }
        
        .section-block-alt {
            background-color: var(--secondary-bg);
        }
        
        .section-heading {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -0.8px;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        
        .section-subheading {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 36px;
        }
        
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--accent-secondary);
            margin-bottom: 10px;
        }
        
        /* ============ MERIT CARDS ============ */
        .merit-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        
        .merit-card {
            background: linear-gradient(160deg, var(--card-bg), #0D1424);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        
        .merit-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        
        .merit-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            background: linear-gradient(160deg, var(--card-bg-hover), #111B32);
        }
        
        .merit-card:hover::before {
            opacity: 1;
        }
        
        .merit-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0, 82, 255, 0.12);
            border: 1px solid rgba(0, 82, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent-secondary);
            margin-bottom: 18px;
            transition: all var(--transition-base);
        }
        
        .merit-card:hover .merit-icon {
            background: rgba(0, 240, 255, 0.12);
            border-color: rgba(0, 240, 255, 0.35);
            box-shadow: var(--shadow-glow);
        }
        
        .merit-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        
        .merit-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        
        /* ============ STRATEGY SECTION ============ */
        .strategy-panel {
            background: linear-gradient(160deg, var(--card-bg), #0B1222);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 36px;
            margin-bottom: 24px;
            transition: all var(--transition-base);
        }
        
        .strategy-panel:hover {
            border-color: var(--border-accent);
            box-shadow: var(--shadow-md);
        }
        
        .strategy-number {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: var(--text-white);
            flex-shrink: 0;
            box-shadow: var(--shadow-glow);
        }
        
        .strategy-content h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }
        
        .strategy-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        
        /* ============ SCENARIO SECTION ============ */
        .scenario-image-block {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        
        .scenario-image-block img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 420px;
        }
        
        .scenario-image-block::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 9, 15, 0.3), rgba(13, 17, 30, 0.7));
            pointer-events: none;
        }
        
        .scenario-badge-float {
            position: absolute;
            bottom: 20px;
            left: 20px;
            z-index: 2;
            background: rgba(8, 9, 15, 0.9);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 82, 255, 0.35);
            border-radius: 10px;
            padding: 12px 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .scenario-badge-float i {
            font-size: 18px;
            color: var(--accent-secondary);
        }
        
        .scenario-badge-float span {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-white);
        }
        
        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        
        .scenario-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px 20px;
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        
        .scenario-item:hover {
            border-color: var(--border-hover);
            background-color: var(--card-bg-hover);
        }
        
        .scenario-item-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent-secondary);
            flex-shrink: 0;
        }
        
        .scenario-item h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-white);
        }
        
        .scenario-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        
        /* ============ STATS BAR ============ */
        .stats-bar-section {
            background: linear-gradient(180deg, var(--secondary-bg), #070A12);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-md) 0;
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        
        .stats-block {
            padding: 20px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        
        .stats-block:hover {
            background: rgba(255, 255, 255, 0.03);
            box-shadow: inset 0 0 0 1px var(--border-hover);
        }
        
        .stats-number-lg {
            font-size: 36px;
            font-weight: 900;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #FFFFFF, var(--accent-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 4px;
        }
        
        .stats-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        
        /* ============ TESTIMONIAL / SOCIAL PROOF ============ */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        
        .testimonial-card {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 26px;
            transition: all var(--transition-base);
        }
        
        .testimonial-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        
        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 14px;
        }
        
        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-white);
            flex-shrink: 0;
        }
        
        .testimonial-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-white);
        }
        
        .testimonial-role {
            font-size: 12px;
            color: var(--text-muted);
        }
        
        .testimonial-stars {
            color: #FFD700;
            font-size: 13px;
            margin-bottom: 10px;
        }
        
        .testimonial-text {
            font-size: 14px;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 0;
            font-style: italic;
        }
        
        /* ============ FAQ ============ */
        .faq-section {
            padding: var(--spacing-lg) 0;
        }
        
        .accordion-custom {
            max-width: 800px;
        }
        
        .accordion-custom .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        
        .accordion-custom .accordion-item:hover {
            border-color: rgba(0, 240, 255, 0.25);
        }
        
        .accordion-custom .accordion-button {
            background: var(--card-bg);
            color: var(--text-white);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            letter-spacing: 0.2px;
        }
        
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(0, 82, 255, 0.08);
            color: var(--accent-secondary);
            box-shadow: none;
        }
        
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border-hover);
            outline: none;
        }
        
        .accordion-custom .accordion-button::after {
            filter: invert(1);
            opacity: 0.5;
        }
        
        .accordion-custom .accordion-body {
            background: var(--card-bg);
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            padding: 4px 22px 20px;
        }
        
        /* ============ CTA ============ */
        .cta-section {
            padding: var(--spacing-lg) 0;
            position: relative;
        }
        
        .cta-panel {
            background: linear-gradient(145deg, var(--card-bg), #0E1730);
            border: 1px solid rgba(0, 82, 255, 0.35);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(0, 82, 255, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .cta-panel h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.6px;
            position: relative;
            z-index: 1;
        }
        
        .cta-panel p {
            font-size: 15px;
            color: var(--text-silver);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }
        
        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            position: relative;
            z-index: 1;
        }
        
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            padding: 15px 32px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent-primary), #0038CC);
            box-shadow: var(--shadow-blue-glow);
            transition: all var(--transition-base);
            letter-spacing: 0.4px;
        }
        
        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(0, 82, 255, 0.55);
            color: var(--text-white);
        }
        
        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 600;
            color: var(--accent-secondary);
            padding: 15px 28px;
            border-radius: 12px;
            border: 1px solid rgba(0, 240, 255, 0.4);
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }
        
        .btn-cta-secondary:hover {
            background: rgba(0, 240, 255, 0.08);
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
        }
        
        /* ============ FLOATING ACTION BUTTON ============ */
        .fab-support {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 1050;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(8, 9, 15, 0.7);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1.5px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-secondary);
            cursor: pointer;
            transition: all var(--transition-base);
            opacity: 0.65;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.35);
            position: relative;
        }
        
        .fab-support::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 15px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            z-index: -1;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.08);
            color: var(--text-white);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.5);
        }
        
        .fab-support:hover::before {
            opacity: 1;
        }
        
        .fab-support::after {
            content: '';
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid var(--primary-bg);
            animation: fab-blink 1.8s infinite;
        }
        
        @keyframes fab-blink {
            0%, 100% { opacity: 1; box-shadow: 0 0 6px rgba(255, 0, 127, 0.7); }
            50% { opacity: 0.35; box-shadow: 0 0 2px rgba(255, 0, 127, 0.3); }
        }
        
        /* ============ FOOTER ============ */
        .site-footer {
            background-color: #06070C;
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-lg) 0 28px;
            position: relative;
            z-index: 1;
        }
        
        .footer-main {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        
        .footer-brand-name {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 14px;
        }
        
        .brand-icon-sm {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--text-white);
            flex-shrink: 0;
        }
        
        .footer-brand-text {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 400px;
            margin-bottom: 0;
        }
        
        .footer-heading {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        
        .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-fast);
        }
        
        .footer-links a:hover {
            color: var(--accent-secondary);
        }
        
        .footer-links i {
            font-size: 11px;
            color: var(--accent-secondary);
        }
        
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
        }
        
        .footer-copy {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.2px;
        }
        
        .footer-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        
        .footer-badge {
            font-size: 11px;
            color: var(--text-silver);
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 100px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            font-weight: 500;
        }
        
        .footer-badge i {
            color: #22C55E;
            font-size: 12px;
        }
        
        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 34px;
            }
            
            .merit-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .footer-main {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 28px;
            }
        }
        
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            
            .site-header {
                padding: 10px 0;
            }
            
            .navbar-nav {
                padding-top: 12px;
                gap: 4px;
            }
            
            .nav-auth-group {
                margin-left: 0;
                padding-top: 12px;
                gap: 8px;
                flex-wrap: wrap;
            }
            
            .btn-login-text,
            .btn-signup-nav {
                font-size: 13px;
                padding: 8px 14px;
            }
            
            .hero-section {
                padding: var(--spacing-md) 0;
            }
            
            .hero-title {
                font-size: 28px;
                letter-spacing: -0.6px;
            }
            
            .hero-subtitle {
                font-size: 15px;
            }
            
            .hero-stats {
                gap: 16px;
            }
            
            .merit-grid {
                grid-template-columns: 1fr;
            }
            
            .strategy-panel {
                padding: 24px 20px;
            }
            
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            
            .cta-panel {
                padding: 32px 20px;
            }
            
            .cta-panel h2 {
                font-size: 24px;
            }
            
            .footer-main {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }
            
            .footer-badges {
                justify-content: center;
            }
            
            .fab-support {
                left: 16px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 20px;
            }
            
            .section-heading {
                font-size: 24px;
            }
        }
        
        @media (max-width: 520px) {
            .brand-text strong {
                font-size: 15px;
            }
            
            .brand-text span {
                font-size: 10px;
            }
            
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }
            
            .hero-badge {
                font-size: 11px;
                padding: 6px 12px;
            }
            
            .hero-actions {
                gap: 10px;
            }
            
            .btn-hero-primary,
            .btn-hero-secondary {
                font-size: 14px;
                padding: 12px 20px;
                width: 100%;
                justify-content: center;
            }
            
            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }
            
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            
            .stats-number-lg {
                font-size: 28px;
            }
            
            .scenario-image-block img {
                min-height: 260px;
            }
            
            .cta-buttons .btn-cta-primary,
            .cta-buttons .btn-cta-secondary {
                width: 100%;
                justify-content: center;
            }
        }