/* roulang page: index */
/* ===== Design Variables ===== */
    :root {
        --primary-bg: #0A2E1C;
        --forest-green: #123E25;
        --deep-green: #092515;
        --gold: #FFD700;
        --gold-light: #FFE566;
        --gold-pale: rgba(255, 215, 0, 0.35);
        --red-lucky: #D32F2F;
        --red-dark: #B71C1C;
        --white: #FFFFFF;
        --pale-mint: #D1F2EB;
        --text-primary: #FFFFFF;
        --text-secondary: rgba(209, 242, 235, 0.82);
        --text-muted: rgba(255, 255, 255, 0.55);
        --border-gold: rgba(255, 215, 0, 0.25);
        --border-gold-strong: rgba(255, 215, 0, 0.5);
        --glass-bg: rgba(255, 255, 255, 0.06);
        --glass-bg-strong: rgba(255, 255, 255, 0.1);
        --glass-border: rgba(255, 255, 255, 0.12);
        --card-bg: rgba(18, 62, 37, 0.72);
        --card-bg-hover: rgba(24, 74, 44, 0.85);
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
        --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
        --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.45);
        --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
        --shadow-gold-lg: 0 8px 35px rgba(255, 215, 0, 0.45);
        --transition-fast: 0.25s ease;
        --transition-med: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        --font-primary: 'Segoe UI', 'Be Vietnam Pro', 'Roboto', system-ui, sans-serif;
    }

    /* ===== Reset & Base ===== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

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

    body {
        font-family: var(--font-primary);
        font-size: 16px;
        line-height: 1.6;
        color: var(--text-primary);
        background-color: var(--primary-bg);
        min-height: 100vh;
        overflow-x: hidden;
        position: relative;
    }

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

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

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

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

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

    h1, h2, h3, h4, h5, h6 {
        font-family: var(--font-primary);
        font-weight: 800;
        line-height: 1.25;
        color: var(--text-primary);
        letter-spacing: -0.02em;
    }

    h1 {
        font-size: clamp(2rem, 5vw, 3.5rem);
        font-weight: 900;
        letter-spacing: -0.03em;
    }

    h2 {
        font-size: clamp(1.5rem, 3.5vw, 2.2rem);
        margin-bottom: 0.75rem;
    }

    h3 {
        font-size: clamp(1.1rem, 2vw, 1.4rem);
        margin-bottom: 0.5rem;
    }

    p {
        margin-bottom: 1rem;
        color: var(--text-secondary);
    }

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

    /* ===== Header / Navbar ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1050;
        background: rgba(10, 46, 28, 0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border-gold);
        padding: 10px 0;
        transition: all var(--transition-med);
    }

    .site-header.scrolled {
        background: rgba(9, 37, 21, 0.97);
        box-shadow: var(--shadow-md);
        padding: 6px 0;
    }

    .navbar-site {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        flex-wrap: nowrap;
    }

    .logo-link {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
        text-decoration: none;
    }

    .logo-icon {
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background: radial-gradient(circle at 30% 30%, var(--gold-light), var(--gold) 50%, #A07C00);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #1A1A09;
        font-size: 1.4rem;
        border: 2px solid rgba(255, 255, 255, 0.4);
        box-shadow: var(--shadow-gold);
        flex-shrink: 0;
    }

    .logo-text {
        display: flex;
        flex-direction: column;
        line-height: 1.15;
        max-width: 180px;
    }

    .logo-text .logo-name {
        font-size: 0.95rem;
        font-weight: 900;
        color: var(--gold);
        letter-spacing: -0.02em;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .logo-text .logo-tagline {
        font-size: 0.7rem;
        color: var(--pale-mint);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .nav-menu {
        display: flex;
        align-items: center;
        gap: 4px;
        list-style: none;
        margin: 0;
        padding: 0;
        flex: 1;
        justify-content: center;
    }

    .nav-menu li {
        margin: 0;
    }

    .nav-menu a {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 8px 14px;
        border-radius: 999px;
        font-size: 0.88rem;
        font-weight: 600;
        color: var(--pale-mint);
        transition: all var(--transition-fast);
        position: relative;
        white-space: nowrap;
    }

    .nav-menu a:hover {
        color: var(--gold);
        background: rgba(255, 215, 0, 0.08);
    }

    .nav-menu a.active {
        color: var(--gold);
        background: rgba(255, 215, 0, 0.15);
        box-shadow: inset 0 0 0 1px var(--border-gold);
    }

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

    .btn-login {
        padding: 8px 16px;
        border-radius: 999px;
        font-size: 0.85rem;
        font-weight: 700;
        color: var(--pale-mint);
        background: transparent;
        border: 1px solid rgba(209, 242, 235, 0.4);
        cursor: pointer;
        transition: all var(--transition-fast);
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        white-space: nowrap;
    }

    .btn-login:hover {
        border-color: var(--gold);
        color: var(--gold);
        background: rgba(255, 215, 0, 0.06);
    }

    .btn-signup {
        padding: 8px 20px;
        border-radius: 999px;
        font-size: 0.85rem;
        font-weight: 800;
        color: #1A1A09;
        background: linear-gradient(135deg, var(--gold-light), var(--gold));
        border: none;
        cursor: pointer;
        transition: all var(--transition-fast);
        box-shadow: var(--shadow-gold);
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        white-space: nowrap;
        letter-spacing: 0.01em;
    }

    .btn-signup:hover {
        background: linear-gradient(135deg, var(--gold), var(--gold-light));
        box-shadow: var(--shadow-gold-lg);
        transform: translateY(-1px);
        color: #1A1A09;
    }

    .navbar-toggler-custom {
        display: none;
        background: transparent;
        border: 1px solid var(--border-gold);
        border-radius: 8px;
        padding: 6px 10px;
        color: var(--gold);
        font-size: 1.25rem;
        cursor: pointer;
        transition: all var(--transition-fast);
    }

    .navbar-toggler-custom:hover {
        background: rgba(255, 215, 0, 0.1);
    }

    @media (max-width: 992px) {
        .navbar-toggler-custom {
            display: flex;
            align-items: center;
            justify-content: center;
            order: 2;
        }
        .nav-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(9, 37, 21, 0.98);
            flex-direction: column;
            align-items: flex-start;
            gap: 4px;
            padding: 16px 20px;
            border-bottom: 2px solid var(--border-gold);
            box-shadow: var(--shadow-md);
        }
        .nav-menu.open {
            display: flex;
        }
        .nav-menu a {
            width: 100%;
            padding: 12px 16px;
            font-size: 0.95rem;
            border-radius: 8px;
        }
        .header-actions {
            order: 3;
            gap: 6px;
        }
        .logo-text .logo-name {
            font-size: 0.8rem;
            max-width: 140px;
        }
        .logo-text .logo-tagline {
            font-size: 0.62rem;
            max-width: 140px;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 1.15rem;
        }
        .btn-login {
            padding: 6px 12px;
            font-size: 0.78rem;
        }
        .btn-signup {
            padding: 6px 16px;
            font-size: 0.78rem;
        }
    }

    @media (max-width: 520px) {
        .logo-text {
            display: none;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 1rem;
        }
        .btn-login {
            padding: 6px 10px;
            font-size: 0.72rem;
        }
        .btn-signup {
            padding: 6px 14px;
            font-size: 0.72rem;
        }
        .header-actions {
            gap: 4px;
        }
        .navbar-site {
            gap: 6px;
        }
    }

    /* ===== Hero Section ===== */
    .hero-section {
        min-height: 92vh;
        display: flex;
        align-items: center;
        position: relative;
        padding: 130px 0 70px;
        background: var(--deep-green);
        overflow: hidden;
    }

    .hero-bg {
        position: absolute;
        inset: 0;
        background: linear-gradient(160deg, rgba(10, 46, 28, 0.88) 0%, rgba(9, 37, 21, 0.55) 55%, rgba(10, 46, 28, 0.92) 100%);
        z-index: 1;
    }

    .hero-bg-image {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center;
        opacity: 0.45;
        z-index: 0;
    }

    .hero-pattern {
        position: absolute;
        inset: 0;
        z-index: 1;
        pointer-events: none;
        background:
            radial-gradient(ellipse at 20% 50%, rgba(255, 215, 0, 0.08) 0%, transparent 60%),
            radial-gradient(ellipse at 80% 30%, rgba(255, 215, 0, 0.06) 0%, transparent 55%),
            radial-gradient(ellipse at 50% 90%, rgba(210, 47, 47, 0.05) 0%, transparent 50%);
    }

    .hero-content {
        position: relative;
        z-index: 2;
        display: flex;
        align-items: center;
        gap: 40px;
        flex-wrap: wrap;
    }

    .hero-main {
        flex: 1 1 55%;
        min-width: 0;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 16px;
        border-radius: 999px;
        background: rgba(210, 47, 47, 0.2);
        border: 1px solid rgba(210, 47, 47, 0.5);
        color: #FFCDD2;
        font-size: 0.8rem;
        font-weight: 700;
        letter-spacing: 0.03em;
        margin-bottom: 18px;
    }

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

    @keyframes pulse-red {
        0%, 100% { box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.6); }
        50% { box-shadow: 0 0 0 6px rgba(211, 47, 47, 0); }
    }

    .hero-title {
        font-size: clamp(1.9rem, 4.8vw, 3.4rem);
        font-weight: 900;
        letter-spacing: -0.04em;
        line-height: 1.15;
        margin-bottom: 16px;
        background: linear-gradient(135deg, #FFFFFF 30%, var(--gold) 55%, var(--gold-light) 75%, #FFFFFF 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .hero-description {
        font-size: 1.08rem;
        line-height: 1.65;
        color: var(--text-secondary);
        max-width: 560px;
        margin-bottom: 28px;
    }

    .hero-cta-group {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        margin-bottom: 28px;
    }

    .btn-hero-primary {
        padding: 14px 32px;
        border-radius: 999px;
        font-size: 1rem;
        font-weight: 800;
        color: #1A1A09;
        background: linear-gradient(135deg, var(--gold-light), var(--gold));
        border: none;
        cursor: pointer;
        box-shadow: var(--shadow-gold-lg);
        transition: all var(--transition-fast);
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        letter-spacing: -0.01em;
    }

    .btn-hero-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 12px 40px rgba(255, 215, 0, 0.55);
        color: #1A1A09;
    }

    .btn-hero-secondary {
        padding: 14px 28px;
        border-radius: 999px;
        font-size: 1rem;
        font-weight: 700;
        color: var(--pale-mint);
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        cursor: pointer;
        transition: all var(--transition-fast);
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .btn-hero-secondary:hover {
        background: var(--glass-bg-strong);
        border-color: var(--gold);
        color: var(--gold);
        transform: translateY(-2px);
    }

    .hero-stats {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

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

    .hero-stat-value {
        font-size: 1.6rem;
        font-weight: 900;
        color: var(--gold);
        letter-spacing: -0.03em;
        line-height: 1.2;
    }

    .hero-stat-label {
        font-size: 0.78rem;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    .hero-countdown-panel {
        flex: 1 1 35%;
        min-width: 300px;
        background: var(--glass-bg);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-xl);
        padding: 28px;
        box-shadow: var(--shadow-lg);
        position: relative;
        overflow: hidden;
    }

    .hero-countdown-panel::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -30%;
        width: 80%;
        height: 200%;
        background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.08), transparent);
        transform: rotate(25deg);
        pointer-events: none;
    }

    .countdown-event-label {
        font-size: 0.85rem;
        font-weight: 700;
        color: var(--gold);
        text-transform: uppercase;
        letter-spacing: 0.06em;
        margin-bottom: 6px;
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .countdown-title {
        font-size: 1.3rem;
        font-weight: 800;
        margin-bottom: 18px;
        color: var(--white);
    }

    .countdown-timer {
        display: flex;
        gap: 12px;
        margin-bottom: 22px;
    }

    .countdown-unit {
        flex: 1;
        text-align: center;
        background: rgba(0, 0, 0, 0.35);
        border: 1px solid var(--border-gold);
        border-radius: var(--radius-md);
        padding: 12px 6px;
    }

    .countdown-number {
        font-size: 2rem;
        font-weight: 900;
        color: var(--gold);
        line-height: 1.1;
        letter-spacing: -0.03em;
    }

    .countdown-label {
        font-size: 0.7rem;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        margin-top: 2px;
    }

    .subscribe-form {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
    }

    .subscribe-input {
        flex: 1;
        min-width: 140px;
        padding: 12px 18px;
        border-radius: 999px;
        border: 1px solid var(--glass-border);
        background: rgba(0, 0, 0, 0.3);
        color: var(--white);
        font-size: 0.9rem;
        transition: all var(--transition-fast);
    }

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

    .subscribe-input:focus {
        border-color: var(--gold);
        box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.15);
        outline: none;
    }

    .btn-subscribe {
        padding: 12px 24px;
        border-radius: 999px;
        font-size: 0.9rem;
        font-weight: 800;
        color: #1A1A09;
        background: linear-gradient(135deg, var(--gold-light), var(--gold));
        border: none;
        cursor: pointer;
        box-shadow: var(--shadow-gold);
        transition: all var(--transition-fast);
        white-space: nowrap;
    }

    .btn-subscribe:hover {
        box-shadow: var(--shadow-gold-lg);
        transform: translateY(-2px);
    }

    @media (max-width: 992px) {
        .hero-content {
            flex-direction: column;
            gap: 30px;
        }
        .hero-main,
        .hero-countdown-panel {
            flex: 1 1 100%;
            width: 100%;
        }
        .hero-stats {
            gap: 14px;
        }
        .hero-stat-value {
            font-size: 1.3rem;
        }
    }

    @media (max-width: 520px) {
        .hero-section {
            padding: 110px 0 50px;
            min-height: auto;
        }
        .hero-title {
            font-size: 1.7rem;
        }
        .hero-description {
            font-size: 0.95rem;
        }
        .btn-hero-primary,
        .btn-hero-secondary {
            width: 100%;
            justify-content: center;
            font-size: 0.9rem;
            padding: 12px 20px;
        }
        .hero-countdown-panel {
            padding: 20px;
        }
        .countdown-number {
            font-size: 1.4rem;
        }
        .subscribe-form {
            flex-direction: column;
        }
        .btn-subscribe {
            width: 100%;
            justify-content: center;
        }
    }

    /* ===== Section Base ===== */
    section {
        padding: 70px 0;
        position: relative;
    }

    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.8rem;
        font-weight: 700;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        color: var(--gold);
        margin-bottom: 10px;
    }

    .section-title {
        font-size: clamp(1.5rem, 3.2vw, 2rem);
        font-weight: 900;
        margin-bottom: 10px;
        letter-spacing: -0.03em;
    }

    .section-desc {
        font-size: 1rem;
        line-height: 1.6;
        color: var(--text-secondary);
        max-width: 640px;
        margin-bottom: 30px;
    }

    @media (max-width: 768px) {
        section {
            padding: 50px 0;
        }
        .section-desc {
            font-size: 0.92rem;
        }
    }

    /* ===== Library Track (Horizontal Scroll) ===== */
    .library-section {
        background: var(--deep-green);
        padding: 60px 0;
    }

    .scroll-track {
        display: flex;
        gap: 18px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: 18px;
        -webkit-overflow-scrolling: touch;
    }

    .scroll-track::-webkit-scrollbar {
        height: 5px;
    }

    .scroll-track::-webkit-scrollbar-track {
        background: rgba(255, 255, 255, 0.06);
        border-radius: 3px;
    }

    .scroll-track::-webkit-scrollbar-thumb {
        background: var(--gold);
        border-radius: 3px;
    }

    .game-card {
        flex: 0 0 260px;
        scroll-snap-align: start;
        background: var(--card-bg);
        border: 1px solid var(--border-gold);
        border-radius: var(--radius-md);
        padding: 14px;
        transition: all var(--transition-fast);
        position: relative;
        overflow: hidden;
    }

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

    .game-card-img {
        width: 100%;
        aspect-ratio: 16/9;
        border-radius: var(--radius-sm);
        overflow: hidden;
        margin-bottom: 12px;
        position: relative;
        background: rgba(0, 0, 0, 0.3);
    }

    .game-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-med);
    }

    .game-card:hover .game-card-img img {
        transform: scale(1.06);
    }

    .game-card-tag {
        position: absolute;
        top: 8px;
        left: 8px;
        padding: 3px 10px;
        border-radius: 999px;
        font-size: 0.68rem;
        font-weight: 800;
        letter-spacing: 0.04em;
        text-transform: uppercase;
        background: var(--red-lucky);
        color: var(--white);
        z-index: 2;
    }

    .game-card-tag.hot {
        background: var(--red-lucky);
        animation: glow-red 2s infinite;
    }

    .game-card-tag.new {
        background: var(--gold);
        color: #1A1A09;
    }

    @keyframes glow-red {
        0%, 100% { box-shadow: 0 0 6px rgba(211, 47, 47, 0.5); }
        50% { box-shadow: 0 0 16px rgba(211, 47, 47, 0.9); }
    }

    .game-card-title {
        font-size: 1rem;
        font-weight: 800;
        margin-bottom: 4px;
        color: var(--white);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .game-card-provider {
        font-size: 0.75rem;
        color: var(--text-muted);
        margin-bottom: 8px;
    }

    .game-card-meta {
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 0.78rem;
        color: var(--pale-mint);
    }

    .game-card-rtp {
        color: var(--gold);
        font-weight: 700;
    }

    /* ===== Hot Recommendations ===== */
    .hot-section {
        background: var(--primary-bg);
        padding: 70px 0;
    }

    .hot-grid {
        display: grid;
        grid-template-columns: 1.3fr 1fr 1fr;
        gap: 18px;
        align-items: stretch;
    }

    .hot-card {
        background: var(--card-bg);
        border: 1px solid var(--border-gold);
        border-radius: var(--radius-lg);
        padding: 22px;
        transition: all var(--transition-med);
        position: relative;
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }

    .hot-card:first-child {
        grid-row: span 2;
        padding: 28px;
    }

    .hot-card:hover {
        border-color: var(--gold);
        box-shadow: var(--shadow-gold);
        transform: translateY(-3px);
    }

    .hot-card-img {
        width: 100%;
        aspect-ratio: 16/10;
        border-radius: var(--radius-md);
        overflow: hidden;
        margin-bottom: 14px;
        background: rgba(0, 0, 0, 0.3);
    }

    .hot-card:first-child .hot-card-img {
        aspect-ratio: 16/9;
    }

    .hot-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-med);
    }

    .hot-card:hover .hot-card-img img {
        transform: scale(1.05);
    }

    .hot-rating {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        font-size: 0.8rem;
        font-weight: 800;
        color: var(--gold);
        margin-bottom: 8px;
    }

    .hot-card-title {
        font-size: 1.2rem;
        font-weight: 800;
        margin-bottom: 6px;
        color: var(--white);
    }

    .hot-card:first-child .hot-card-title {
        font-size: 1.45rem;
    }

    .hot-card-desc {
        font-size: 0.88rem;
        color: var(--text-secondary);
        line-height: 1.55;
        margin-bottom: 12px;
        flex: 1;
    }

    .hot-card-stats {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 0.8rem;
        color: var(--pale-mint);
    }

    .hot-card-stat {
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .hot-card-stat i {
        color: var(--gold);
        font-size: 0.8rem;
    }

    @media (max-width: 992px) {
        .hot-grid {
            grid-template-columns: 1fr 1fr;
        }
        .hot-card:first-child {
            grid-row: auto;
            grid-column: span 2;
        }
    }

    @media (max-width: 600px) {
        .hot-grid {
            grid-template-columns: 1fr;
        }
        .hot-card:first-child {
            grid-column: auto;
        }
        .hot-card {
            padding: 16px;
        }
        .hot-card:first-child {
            padding: 20px;
        }
    }

    /* ===== Categories ===== */
    .categories-section {
        background: var(--forest-green);
        padding: 70px 0;
    }

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

    .category-card {
        background: var(--glass-bg);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-lg);
        padding: 28px 24px;
        transition: all var(--transition-med);
        position: relative;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        min-height: 260px;
    }

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

    .category-number {
        font-size: 3rem;
        font-weight: 900;
        color: rgba(255, 215, 0, 0.15);
        position: absolute;
        top: -6px;
        right: 12px;
        line-height: 1;
        letter-spacing: -0.06em;
        pointer-events: none;
    }

    .category-icon {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: rgba(255, 215, 0, 0.15);
        border: 1px solid var(--border-gold);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--gold);
        font-size: 1.3rem;
        margin-bottom: 16px;
    }

    .category-card-title {
        font-size: 1.25rem;
        font-weight: 800;
        margin-bottom: 10px;
        color: var(--white);
    }

    .category-card-desc {
        font-size: 0.9rem;
        color: var(--text-secondary);
        line-height: 1.6;
        margin-bottom: 18px;
        flex: 1;
    }

    .category-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.9rem;
        font-weight: 700;
        color: var(--gold);
        transition: all var(--transition-fast);
    }

    .category-link:hover {
        gap: 10px;
        color: var(--gold-light);
    }

    @media (max-width: 992px) {
        .category-grid {
            grid-template-columns: 1fr 1fr;
        }
        .category-card {
            min-height: 220px;
        }
    }

    @media (max-width: 600px) {
        .category-grid {
            grid-template-columns: 1fr;
            gap: 14px;
        }
        .category-card {
            min-height: auto;
            padding: 20px 18px;
        }
        .category-number {
            font-size: 2.2rem;
        }
    }

    /* ===== News Section ===== */
    .news-section {
        background: var(--primary-bg);
        padding: 70px 0;
    }

    .news-layout {
        display: flex;
        gap: 30px;
        align-items: flex-start;
    }

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

    .news-item {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        gap: 16px;
        padding: 18px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        transition: all var(--transition-fast);
        cursor: pointer;
    }

    .news-item:first-child {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

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

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

    .news-item-title {
        font-size: 1.05rem;
        font-weight: 700;
        margin-bottom: 4px;
        color: var(--white);
        transition: color var(--transition-fast);
        line-height: 1.4;
    }

    .news-item:hover .news-item-title {
        color: var(--gold);
    }

    .news-item-summary {
        font-size: 0.86rem;
        color: var(--text-muted);
        line-height: 1.55;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .news-item-meta {
        display: flex;
        gap: 12px;
        align-items: center;
        font-size: 0.75rem;
        color: var(--text-muted);
        white-space: nowrap;
        flex-shrink: 0;
    }

    .news-item-category {
        padding: 3px 10px;
        border-radius: 999px;
        background: rgba(255, 215, 0, 0.12);
        color: var(--gold);
        font-weight: 700;
    }

    .news-sidebar {
        flex: 0 0 300px;
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .news-sidebar-card {
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-md);
        padding: 20px;
    }

    .news-sidebar-title {
        font-size: 1rem;
        font-weight: 800;
        margin-bottom: 12px;
        color: var(--gold);
    }

    .news-sidebar-mini-list {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .news-sidebar-mini {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px;
        border-radius: var(--radius-sm);
        background: rgba(0, 0, 0, 0.25);
        border: 1px solid rgba(255, 255, 255, 0.05);
        transition: all var(--transition-fast);
        cursor: pointer;
    }

    .news-sidebar-mini:hover {
        border-color: var(--border-gold);
        background: rgba(255, 215, 0, 0.06);
    }

    .news-sidebar-mini-icon {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: rgba(255, 215, 0, 0.15);
        border: 1px solid var(--border-gold);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--gold);
        font-size: 0.9rem;
        flex-shrink: 0;
    }

    .news-sidebar-mini-text {
        font-size: 0.8rem;
        color: var(--pale-mint);
        line-height: 1.4;
    }

    .no-updates {
        font-size: 1rem;
        color: var(--text-muted);
        padding: 30px 0;
        text-align: center;
    }

    @media (max-width: 992px) {
        .news-layout {
            flex-direction: column;
            gap: 20px;
        }
        .news-sidebar {
            flex: 1;
            width: 100%;
            flex-direction: row;
            flex-wrap: wrap;
        }
        .news-sidebar-card {
            flex: 1;
            min-width: 240px;
        }
    }

    @media (max-width: 600px) {
        .news-item {
            flex-direction: column;
            gap: 8px;
        }
        .news-item-meta {
            flex-wrap: wrap;
        }
        .news-sidebar {
            flex-direction: column;
        }
    }

    /* ===== FAQ Section ===== */
    .faq-section {
        background: var(--forest-green);
        padding: 70px 0;
    }

    .faq-container {
        max-width: 820px;
        margin: 0 auto;
    }

    .accordion-faq {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .faq-item {
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: all var(--transition-fast);
    }

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

    .faq-question {
        padding: 18px 22px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        cursor: pointer;
        font-weight: 700;
        font-size: 1rem;
        color: var(--white);
        transition: all var(--transition-fast);
        user-select: none;
        background: transparent;
        border: none;
        width: 100%;
        text-align: left;
    }

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

    .faq-toggle-icon {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(255, 215, 0, 0.12);
        border: 1px solid var(--border-gold);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--gold);
        font-size: 0.8rem;
        transition: transform var(--transition-fast);
    }

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

    .faq-answer {
        padding: 0 22px 18px;
        font-size: 0.9rem;
        color: var(--text-secondary);
        line-height: 1.65;
        display: none;
    }

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

    /* ===== Reviews Section ===== */
    .reviews-section {
        background: var(--primary-bg);
        padding: 70px 0;
    }

    .reviews-layout {
        display: flex;
        gap: 30px;
        align-items: flex-start;
    }

    .reviews-summary {
        flex: 0 0 280px;
        background: var(--card-bg);
        border: 1px solid var(--border-gold);
        border-radius: var(--radius-lg);
        padding: 26px;
        text-align: center;
    }

    .reviews-score {
        font-size: 3.5rem;
        font-weight: 900;
        color: var(--gold);
        line-height: 1;
        letter-spacing: -0.04em;
    }

    .reviews-stars {
        color: var(--gold);
        font-size: 1.1rem;
        margin: 8px 0;
        letter-spacing: 2px;
    }

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

    .reviews-list {
        flex: 1;
        min-width: 0;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .review-card {
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-md);
        padding: 20px 22px;
        transition: all var(--transition-fast);
    }

    .review-card:hover {
        border-color: var(--border-gold);
        box-shadow: var(--shadow-sm);
    }

    .review-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        margin-bottom: 10px;
        flex-wrap: wrap;
    }

    .review-user {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .review-avatar {
        width: 38px;
        height: 38px;
        border-radius: 50%;
        background: rgba(255, 215, 0, 0.15);
        border: 1px solid var(--border-gold);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--gold);
        font-weight: 800;
        font-size: 0.85rem;
        flex-shrink: 0;
    }

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

    .review-date {
        font-size: 0.72rem;
        color: var(--text-muted);
    }

    .review-stars-small {
        color: var(--gold);
        font-size: 0.8rem;
        letter-spacing: 1px;
    }

    .review-text {
        font-size: 0.9rem;
        color: var(--text-secondary);
        line-height: 1.6;
        margin-bottom: 0;
    }

    @media (max-width: 992px) {
        .reviews-layout {
            flex-direction: column;
            gap: 20px;
        }
        .reviews-summary {
            flex: 1;
            width: 100%;
            max-width: 100%;
        }
    }

    /* ===== Follow/Subscribe Section ===== */
    .follow-section {
        background: var(--deep-green);
        padding: 80px 0 60px;
        text-align: center;
    }

    .follow-inner {
        max-width: 680px;
        margin: 0 auto;
    }

    .follow-icon {
        width: 64px;
        height: 64px;
        border-radius: 50%;
        background: rgba(255, 215, 0, 0.15);
        border: 2px solid var(--gold);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--gold);
        font-size: 2rem;
        margin: 0 auto 18px;
        box-shadow: var(--shadow-gold);
    }

    .follow-title {
        font-size: clamp(1.5rem, 3vw, 2rem);
        margin-bottom: 12px;
    }

    .follow-desc {
        font-size: 1rem;
        color: var(--text-secondary);
        margin-bottom: 26px;
    }

    .follow-form {
        display: flex;
        gap: 12px;
        max-width: 480px;
        margin: 0 auto;
        flex-wrap: wrap;
        justify-content: center;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--deep-green);
        border-top: 2px solid var(--border-gold);
        padding: 50px 0 30px;
        position: relative;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: 30px;
        align-items: start;
        margin-bottom: 36px;
    }

    .footer-brand-name {
        font-size: 1rem;
        font-weight: 900;
        color: var(--gold);
        line-height: 1.4;
        margin-bottom: 10px;
    }

    .footer-brand-desc {
        font-size: 0.85rem;
        color: var(--text-muted);
        line-height: 1.6;
        margin-bottom: 14px;
    }

    .footer-payment {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .payment-badge {
        padding: 5px 12px;
        border-radius: 6px;
        border: 1px solid var(--border-gold);
        font-size: 0.7rem;
        font-weight: 700;
        color: var(--pale-mint);
        background: rgba(0, 0, 0, 0.2);
        transition: all var(--transition-fast);
        cursor: pointer;
    }

    .payment-badge:hover {
        color: var(--gold);
        border-color: var(--gold);
    }

    .footer-col-title {
        font-size: 0.9rem;
        font-weight: 800;
        margin-bottom: 16px;
        color: var(--gold);
        letter-spacing: 0.03em;
    }

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

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

    .footer-links a {
        font-size: 0.84rem;
        color: var(--text-muted);
        transition: all var(--transition-fast);
        display: inline-flex;
        align-items: center;
        gap: 5px;
    }

    .footer-links a:hover {
        color: var(--gold);
        gap: 8px;
    }

    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding-top: 22px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        flex-wrap: wrap;
    }

    .footer-copyright {
        font-size: 0.78rem;
        color: var(--text-muted);
    }

    .footer-badges {
        display: flex;
        gap: 12px;
        align-items: center;
        flex-wrap: wrap;
        font-size: 0.78rem;
        color: var(--pale-mint);
    }

    .footer-badge-item {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        padding: 4px 10px;
        border-radius: 6px;
        border: 1px solid rgba(255, 255, 255, 0.15);
        font-size: 0.72rem;
        font-weight: 700;
    }

    .footer-badge-item.highlight {
        border-color: var(--gold);
        color: var(--gold);
    }

    @media (max-width: 768px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            text-align: left;
        }
    }

    @media (max-width: 520px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 18px;
        }
    }

    /* ===== Left FAB ===== */
    .fab-left {
        position: fixed;
        left: 16px;
        bottom: 96px;
        z-index: 1049;
        width: 54px;
        height: 54px;
        border-radius: 50%;
        background: radial-gradient(circle at 35% 35%, #3d3a1d, #0d0d0a);
        border: 2px solid var(--gold);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--gold);
        font-size: 1.4rem;
        opacity: 0.7;
        animation: fab-breathe 3s ease-in-out infinite;
        box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
        transition: all var(--transition-fast);
        cursor: pointer;
        text-decoration: none;
        position: relative;
    }

    .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-dot {
        position: absolute;
        top: -2px;
        right: -2px;
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: var(--red-lucky);
        border: 2px solid var(--deep-green);
        animation: pulse-red 1.5s infinite;
    }

    @keyframes fab-breathe {
        0%, 100% {
            transform: translateY(0);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
        }
        50% {
            transform: translateY(-6px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
        }
    }

    @media (max-width: 768px) {
        .fab-left {
            width: 48px;
            height: 48px;
            font-size: 1.2rem;
            left: 12px;
            bottom: 80px;
        }
    }

    /* ===== Utilities ===== */
    .text-gold {
        color: var(--gold);
    }

    .text-mint {
        color: var(--pale-mint);
    }

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

    .divider-gold {
        width: 56px;
        height: 3px;
        border-radius: 3px;
        background: linear-gradient(90deg, var(--gold), transparent);
        margin-bottom: 16px;
    }

    .divider-gold.center {
        margin-left: auto;
        margin-right: auto;
        background: linear-gradient(90deg, transparent, var(--gold), transparent);
    }

/* roulang page: article */
:root {
            --deep-jade: #0A2E1C;
            --forest: #123E25;
            --gold: #FFD700;
            --lucky-red: #D32F2F;
            --white: #FFFFFF;
            --pale-mint: #D1F2EB;
            --body-bg: #0A2E1C;
            --card-bg: #123E25;
            --card-bg-light: #1a4d32;
            --border-gold: #FFD700;
            --text-color: #FFFFFF;
            --muted: #D1F2EB;
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.35);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --transition: all 0.3s ease;
            --font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        }

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

        body {
            font-family: var(--font-family);
            background-color: var(--body-bg);
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

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

        a:hover,
        a:focus {
            color: #ffec80;
            text-decoration: underline;
        }

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

        .container-custom {
            width: min(100% - 32px, 1240px);
            margin-inline: auto;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.25);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .navbar-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            gap: 20px;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--white);
            flex-shrink: 0;
        }

        .logo-link:hover,
        .logo-link:focus {
            text-decoration: none;
            color: var(--white);
        }

        .logo-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(145deg, #2b5a3a, #0f3b23);
            border: 2px solid var(--gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--gold);
            box-shadow: var(--shadow-gold);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }

        .logo-name {
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--white);
            letter-spacing: -0.2px;
        }

        .logo-tagline {
            font-size: 0.7rem;
            color: var(--pale-mint);
            text-transform: uppercase;
            letter-spacing: 1.2px;
            font-weight: 500;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu a {
            color: var(--pale-mint);
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            text-decoration: none;
            font-size: 0.95rem;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--gold);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .nav-menu a:hover,
        .nav-menu a:focus {
            color: var(--gold);
        }

        .nav-menu a:hover::after,
        .nav-menu a:focus::after {
            transform: scaleX(1);
        }

        .nav-menu a.active {
            color: var(--gold);
        }

        .nav-menu a.active::after {
            transform: scaleX(1);
        }

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

        .btn-login,
        .btn-signup {
            padding: 10px 22px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.9rem;
            text-decoration: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            white-space: nowrap;
        }

        .btn-login {
            color: var(--gold);
            border: 1px solid rgba(255, 215, 0, 0.5);
            background: transparent;
        }

        .btn-login:hover,
        .btn-login:focus {
            background: rgba(255, 215, 0, 0.12);
            color: var(--gold);
            text-decoration: none;
        }

        .btn-signup {
            background: linear-gradient(145deg, #FFD700, #FFA500);
            color: #0A2E1C;
            border: none;
            box-shadow: 0 4px 15px rgba(255, 215, 0, 0.35);
        }

        .btn-signup:hover,
        .btn-signup:focus {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.55);
            color: #0A2E1C;
            text-decoration: none;
        }

        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 215, 0, 0.5);
            color: var(--gold);
            font-size: 24px;
            width: 48px;
            height: 48px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background 0.3s;
        }

        .navbar-toggler-custom:hover {
            background: rgba(255, 215, 0, 0.15);
        }

        /* ===== Article Detail Page ===== */
        .article-hero {
            background-image: linear-gradient(180deg, rgba(100, 46, 28, 0.92), rgba(18, 62, 37, 0.96));
        padding: 70px 0 50px;
        position: relative;
        text-align: center;
        border-bottom: 1px solid rgba(255, 215, 0, 0.2);
    }

    .article-hero .breadcrumb-custom {
        display: flex;
        justify-content: center;
        gap: 8px;
        flex-wrap: wrap;
        font-size: 0.85rem;
        color: var(--pale-mint);
        margin-bottom: 20px;
    }

    .article-hero .breadcrumb-custom a {
        color: var(--gold);
    }

    .article-hero .breadcrumb-custom a:hover {
        color: #ffec80;
    }

    .article-category-badge {
        display: inline-block;
        background: var(--lucky-red);
        color: var(--white);
        padding: 6px 16px;
        border-radius: 999px;
        font-size: 0.8rem;
        font-weight: 600;
        letter-spacing: 0.3px;
        margin-bottom: 18px;
        text-transform: uppercase;
    }

    .article-title {
        font-size: clamp(2rem, 5vw, 3.2rem);
        font-weight: 800;
        line-height: 1.2;
        color: var(--white);
        margin-bottom: 20px;
        max-width: 900px;
        margin-inline: auto;
    }

    .article-meta {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 24px;
        flex-wrap: wrap;
        color: var(--pale-mint);
        font-size: 0.9rem;
        margin-bottom: 30px;
    }

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

    .article-meta i {
        color: var(--gold);
    }

    .article-featured-image {
        max-width: 920px;
        margin: 0 auto 40px;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-soft);
        border: 1px solid rgba(255, 215, 0, 0.3);
    }

    .article-featured-image img {
        width: 100%;
        height: auto;
        object-fit: cover;
    }

    /* ===== Article Body ===== */
    .article-body-section {
        padding: 60px 0;
        background-color: rgba(0, 0, 0, 0.25);
    }

    .article-layout {
        max-width: 860px;
        margin-inline: auto;
    }

    .article-main {
        background: rgba(18, 62, 37, 0.7);
        border: 1px solid rgba(255, 215, 0, 0.2);
        border-radius: var(--radius-lg);
        padding: 40px 36px;
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    }

    .article-content {
        color: #E8F5E9;
        font-size: 1.05rem;
        line-height: 1.7;
    }

    .article-content h2 {
        font-size: 1.8rem;
        font-weight: 700;
        color: var(--gold);
        margin-top: 35px;
        margin-bottom: 18px;
        text-align: left;
    }

    .article-content h3 {
        font-size: 1.4rem;
        font-weight: 600;
        color: var(--white);
        margin-top: 28px;
        margin-bottom: 14px;
        text-align: left;
    }

    .article-content p {
        margin-bottom: 20px;
        text-align: left;
    }

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

    .article-content ul li,
    .article-content ol li {
        margin-bottom: 10px;
        text-align: left;
    }

    .article-content blockquote {
        border-left: 4px solid var(--gold);
        background: rgba(255, 215, 0, 0.08);
        padding: 18px 22px;
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        margin: 25px 0;
        color: var(--pale-mint);
        font-style: italic;
        text-align: left;
    }

    .article-content img {
        border-radius: var(--radius-md);
        margin: 25px 0;
        box-shadow: var(--shadow-soft);
    }

    .article-content a {
        color: var(--gold);
        text-decoration: underline;
    }

    .article-content table {
        width: 100%;
        border-collapse: collapse;
        margin: 25px 0;
        font-size: 0.95rem;
    }

    .article-content table th,
    .article-content table td {
        border: 1px solid rgba(255, 215, 0, 0.35);
        padding: 12px 14px;
        text-align: left;
    }

    .article-content table th {
        background: rgba(255, 215, 0, 0.15);
        color: var(--gold);
        font-weight: 600;
    }

    .not-found {
        text-align: center;
        padding: 40px 20px;
    }

    .not-found h2 {
        font-size: 2rem;
        color: var(--gold);
        margin-bottom: 16px;
    }

    .not-found p {
        color: var(--pale-mint);
        margin-bottom: 24px;
    }

    .btn-gold {
        display: inline-block;
        background: linear-gradient(145deg, #FFD700, #FFA500);
        color: #0A2E1C;
        padding: 12px 32px;
        border-radius: 999px;
        font-weight: 700;
        border: none;
        cursor: pointer;
        transition: var(--transition);
        text-decoration: none;
    }

    .btn-gold:hover,
    .btn-gold:focus {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(255, 215, 0, 0.5);
        color: #0A2E1C;
        text-decoration: none;
    }

    /* ===== Related Articles ===== */
    .related-section {
        padding: 70px 0;
        background: var(--body-bg);
    }

    .section-heading {
        font-size: 2rem;
        font-weight: 700;
        color: var(--white);
        text-align: center;
        margin-bottom: 40px;
    }

    .section-heading span {
        color: var(--gold);
    }

    .related-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 28px;
    }

    .related-card {
        background: var(--card-bg);
        border: 1px solid rgba(255, 215, 0, 0.25);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: var(--transition);
        display: flex;
        flex-direction: column;
    }

    .related-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
        border-color: var(--gold);
    }

    .related-card-image {
        height: 180px;
        overflow: hidden;
    }

    .related-card-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s;
    }

    .related-card:hover .related-card-image img {
        transform: scale(1.05);
    }

    .related-card-body {
        padding: 20px;
        flex: 1;
    }

    .related-card-body h3 {
        font-size: 1.2rem;
        font-weight: 600;
        color: var(--white);
        margin-bottom: 10px;
    }

    .related-card-body p {
        color: var(--pale-mint);
        font-size: 0.9rem;
        margin-bottom: 15px;
    }

    .related-card-link {
        color: var(--gold);
        font-weight: 600;
        font-size: 0.9rem;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .related-card-link i {
        transition: transform 0.3s;
    }

    .related-card:hover .related-card-link i {
        transform: translateX(5px);
    }

    /* ===== CTA Section ===== */
    .article-cta-section {
        padding: 80px 0;
        background: linear-gradient(135deg, #0B2D1A, #0F3B23);
        border-top: 1px solid rgba(255, 215, 0, 0.25);
    }

    .cta-card {
        background: rgba(18, 62, 37, 0.8);
        border: 1px solid rgba(255, 215, 0, 0.4);
        border-radius: var(--radius-lg);
        padding: 50px 40px;
        text-align: center;
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    }

    .cta-card h2 {
        font-size: 2rem;
        font-weight: 700;
        color: var(--white);
        margin-bottom: 16px;
    }

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

    .cta-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .btn-outline-gold {
        display: inline-block;
        background: transparent;
        color: var(--gold);
        border: 1px solid var(--gold);
        padding: 12px 28px;
        border-radius: 999px;
        font-weight: 600;
        transition: var(--transition);
        text-decoration: none;
    }

    .btn-outline-gold:hover,
    .btn-outline-gold:focus {
        background: rgba(255, 215, 0, 0.12);
        color: var(--gold);
        text-decoration: none;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: #071C10;
        border-top: 1px solid rgba(255, 215, 0, 0.25);
        padding: 60px 0 30px;
        margin-top: 0;
    }

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

    .footer-brand-name {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--white);
        line-height: 1.4;
        margin-bottom: 14px;
    }

    .footer-brand-desc {
        font-size: 0.9rem;
        color: var(--pale-mint);
        line-height: 1.6;
        margin-bottom: 20px;
    }

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

    .payment-badge {
        background: rgba(255, 215, 0, 0.12);
        color: var(--gold);
        border: 1px solid rgba(255, 215, 0, 0.3);
        padding: 6px 14px;
        border-radius: 999px;
        font-size: 0.8rem;
        font-weight: 500;
    }

    .footer-col-title {
        font-size: 1rem;
        font-weight: 700;
        color: var(--gold);
        margin-bottom: 18px;
    }

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

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

    .footer-links a {
        color: var(--pale-mint);
        font-size: 0.9rem;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        text-decoration: none;
        transition: var(--transition);
    }

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

    .footer-links a:hover,
    .footer-links a:focus {
        color: var(--gold);
        text-decoration: none;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 215, 0, 0.2);
        padding-top: 25px;
        text-align: center;
        font-size: 0.85rem;
        color: var(--pale-mint);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
    }

    @media (max-width: 768px) {
        .navbar-site {
            flex-wrap: wrap;
            min-height: 70px;
        }

        .navbar-toggler-custom {
            display: inline-flex;
        }

        .nav-menu {
            position: fixed;
            top: 70px;
            left: 0;
            right: 0;
            background: rgba(10, 46, 28, 0.98);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            flex-direction: column;
            align-items: flex-start;
            padding: 20px 24px 30px;
            gap: 16px;
            border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            transform: translateY(-120%);
            transition: transform 0.35s ease;
            z-index: 1049;
        }

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

        .nav-menu a {
            font-size: 1.1rem;
            width: 100%;
        }

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

        .article-main {
            padding: 25px 20px;
        }

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

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

    @media (max-width: 520px) {
        .container-custom {
            width: min(100% - 20px, 100%);
        }

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

        .logo-tagline {
            font-size: 0.65rem;
        }

        .header-actions .btn-login,
        .header-actions .btn-signup {
            padding: 8px 14px;
            font-size: 0.8rem;
        }

        .article-title {
            font-size: 1.8rem;
        }

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

        .article-content {
            font-size: 0.95rem;
        }

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

        .cta-actions {
            flex-direction: column;
            align-items: center;
        }
    }

/* roulang page: category1 */
:root {
            --bg-deep: #050B1A;
            --bg-midnight: #0D111E;
            --bg-card: rgba(13,20,40,0.72);
            --bg-card-solid: #0D1428;
            --accent-cyan: #00F0FF;
            --accent-blue: #0052FF;
            --accent-soft: #4CC9F0;
            --text-white: #F8FAFF;
            --text-soft: #E6F1FF;
            --text-muted: #A6B1D1;
            --text-glow: #7DF9FF;
            --border-glow: rgba(0,240,255,0.35);
            --border-blue: rgba(0,82,255,0.55);
            --gold: #FFD700;
            --danger: #FF3B5C;
            --success: #28E28C;
            --warning: #FFBF00;
            --radius-sm: 14px;
            --radius-md: 22px;
            --radius-lg: 32px;
            --shadow-cyan: 0 0 18px rgba(0,240,255,0.35);
            --shadow-blue: 0 10px 30px rgba(0,82,255,0.25);
            --glass-border: 1px solid rgba(255,255,255,0.08);
            --transition-fast: all 0.2s ease;
            --transition-med: all 0.35s cubic-bezier(0.25, 0.8, 0.35, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: 'Segoe UI', 'Be Vietnam Pro', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-fast);
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button:focus, a:focus, input:focus, textarea:focus {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
        }
        
        .container-custom {
            width: min(1180px, 100% - 40px);
            margin: 0 auto;
        }
        
        /* ====== HEADER / NAV ====== */
        .site-header {
            background: rgba(5, 11, 26, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0,240,255,0.16);
            position: sticky;
            top: 0;
            z-index: 1000;
            width: 100%;
            box-shadow: 0 8px 20px rgba(0,0,0,0.35);
        }
        
        .navbar-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            gap: 20px;
        }
        
        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        
        .logo-icon {
            width: 46px;
            height: 46px;
            display: grid;
            place-items: center;
            border-radius: 14px;
            background: linear-gradient(145deg, var(--accent-cyan), var(--accent-blue));
            color: #FFFFFF;
            font-size: 22px;
            text-shadow: 0 0 8px rgba(255,255,255,0.6);
            box-shadow: var(--shadow-cyan);
        }
        
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        
        .logo-name {
            font-weight: 800;
            font-size: 1.08rem;
            color: var(--text-white);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        
        .logo-tagline {
            font-size: 0.7rem;
            color: var(--text-glow);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            font-weight: 600;
            white-space: nowrap;
        }
        
        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 6px;
            margin: 0;
            padding: 0;
        }
        
        .nav-menu li a {
            display: inline-block;
            padding: 10px 16px;
            border-radius: 999px;
            color: var(--text-muted);
            font-weight: 600;
            font-size: 0.92rem;
            transition: var(--transition-fast);
            white-space: nowrap;
        }
        
        .nav-menu li a:hover,
        .nav-menu li a.active {
            color: var(--text-white);
            background: rgba(0,240,255,0.10);
            box-shadow: inset 0 0 0 1px rgba(0,240,255,0.3);
        }
        
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        
        .btn-login,
        .btn-signup {
            display: inline-block;
            padding: 10px 20px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.88rem;
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }
        
        .btn-login {
            color: var(--text-white);
            background: transparent;
            border: 1px solid rgba(230,241,255,0.24);
        }
        
        .btn-login:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(255,255,255,0.45);
            color: #FFFFFF;
        }
        
        .btn-signup {
            color: #000D18;
            background: linear-gradient(145deg, var(--accent-cyan), var(--accent-soft));
            box-shadow: var(--shadow-cyan);
        }
        
        .btn-signup:hover {
            filter: brightness(1.1);
            color: #000D18;
            transform: translateY(-1px);
        }
        
        .navbar-toggler-custom {
            display: none;
            background: rgba(0,240,255,0.08);
            border: 1px solid rgba(0,240,255,0.25);
            border-radius: 12px;
            width: 44px;
            height: 44px;
            color: var(--text-white);
            font-size: 1.3rem;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-fast);
        }
        
        .navbar-toggler-custom:hover {
            background: rgba(0,240,255,0.16);
        }
        
        /* ====== HERO ====== */
        .hero-section {
            position: relative;
            padding: 104px 0 96px;
            background-image: linear-gradient(135deg, rgba(5,11,26,0.92) 0%, rgba(7,18,42,0.88) 48%, rgba(5,11,26,0.95) 100%),
                              url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 20%, rgba(0,240,255,0.16), transparent 45%),
                        radial-gradient(circle at 75% 65%, rgba(0,82,255,0.18), transparent 40%);
            pointer-events: none;
        }
        
        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(0,240,255,0.08);
            border: 1px solid rgba(0,240,255,0.25);
            color: var(--text-glow);
            font-weight: 700;
            font-size: 0.78rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 22px;
        }
        
        .hero-title {
            font-size: clamp(2.3rem, 5vw, 3.8rem);
            line-height: 1.12;
            font-weight: 900;
            letter-spacing: -0.015em;
            color: #FFFFFF;
            margin-bottom: 24px;
            text-wrap: pretty;
        }
        
        .hero-title .text-gradient {
            background: linear-gradient(120deg, var(--accent-cyan), var(--accent-soft) 50%, #FFFFFF 80%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        
        .hero-desc {
            color: var(--text-soft);
            font-size: 1.1rem;
            max-width: 560px;
            margin-bottom: 30px;
            line-height: 1.65;
        }
        
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }
        
        .btn-primary-glow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 999px;
            background: linear-gradient(145deg, var(--accent-cyan), #00BFFF);
            color: #000D18;
            font-weight: 800;
            font-size: 0.98rem;
            border: none;
            box-shadow: var(--shadow-cyan);
            transition: var(--transition-med);
        }
        
        .btn-primary-glow:hover {
            transform: translateY(-2px);
            filter: brightness(1.08);
            box-shadow: 0 0 28px rgba(0,240,255,0.55);
            color: #000D18;
        }
        
        .btn-outline-glass {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 999px;
            background: rgba(255,255,255,0.04);
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.98rem;
            border: 1px solid rgba(255,255,255,0.18);
            backdrop-filter: blur(8px);
            transition: var(--transition-med);
        }
        
        .btn-outline-glass:hover {
            background: rgba(255,255,255,0.09);
            border-color: rgba(255,255,255,0.35);
            color: #FFFFFF;
        }
        
        .hero-trust-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--text-muted);
            font-size: 0.88rem;
        }
        
        .hero-trust-row span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        
        .hero-trust-row i {
            color: var(--success);
        }
        
        /* ====== COMPARISON CARD ====== */
        .comparison-panel {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 26px;
            box-shadow: 0 20px 45px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.08);
        }
        
        .comparison-panel .panel-title {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 18px;
            color: var(--text-white);
            letter-spacing: -0.01em;
        }
        
        .compare-card {
            border-radius: 18px;
            padding: 18px;
            margin-bottom: 14px;
            border: 1px solid rgba(255,255,255,0.08);
            background: rgba(255,255,255,0.03);
            transition: var(--transition-med);
        }
        
        .compare-card.recommended {
            background: linear-gradient(145deg, rgba(0,240,255,0.12), rgba(0,82,255,0.12));
            border-color: rgba(0,240,255,0.45);
            box-shadow: 0 0 22px rgba(0,240,255,0.18);
            position: relative;
        }
        
        .compare-card.recommended::before {
            content: 'Đề Xuất Số 1';
            position: absolute;
            top: -11px;
            right: 16px;
            background: linear-gradient(135deg, var(--accent-cyan), #00BFFF);
            color: #000D18;
            font-weight: 800;
            font-size: 0.68rem;
            padding: 4px 10px;
            border-radius: 999px;
            letter-spacing: 0.03em;
            box-shadow: 0 4px 12px rgba(0,240,255,0.35);
        }
        
        .compare-card h5 {
            font-size: 1rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-white);
        }
        
        .compare-card ul {
            list-style: none;
            margin: 0;
        }
        
        .compare-card ul li {
            color: var(--text-muted);
            font-size: 0.88rem;
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .compare-card ul li i {
            color: var(--accent-cyan);
            font-size: 0.8rem;
        }
        
        .compare-card.recommended ul li i {
            color: #00F0FF;
        }
        
        .btn-compare-cta {
            display: inline-block;
            width: 100%;
            text-align: center;
            margin-top: 8px;
            padding: 12px 20px;
            border-radius: 14px;
            background: rgba(255,255,255,0.06);
            color: var(--text-white);
            font-weight: 700;
            border: 1px solid rgba(255,255,255,0.12);
            transition: var(--transition-med);
        }
        
        .compare-card.recommended .btn-compare-cta {
            background: linear-gradient(145deg, var(--accent-cyan), #00BFFF);
            color: #000D18;
            box-shadow: 0 6px 18px rgba(0,240,255,0.28);
        }
        
        .btn-compare-cta:hover {
            filter: brightness(1.08);
            transform: translateY(-1px);
        }
        
        /* ====== SECTION BASE ====== */
        .section {
            padding: 80px 0;
            position: relative;
        }
        
        .section-tight {
            padding: 60px 0;
        }
        
        .section-alt {
            background: linear-gradient(180deg, #060C1B 0%, #0D111E 100%);
        }
        
        .section-title {
            font-size: clamp(1.7rem, 3.2vw, 2.4rem);
            font-weight: 900;
            letter-spacing: -0.015em;
            color: var(--text-white);
            margin-bottom: 12px;
            text-wrap: pretty;
        }
        
        .section-sub {
            color: var(--text-muted);
            font-size: 1.02rem;
            max-width: 720px;
            margin-bottom: 32px;
            line-height: 1.65;
        }
        
        /* ====== METRICS ====== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        
        .metric-card {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: var(--glass-border            border: var(--glass-border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition-med);
        }
        
        .metric-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0,240,255,0.45);
            box-shadow: 0 12px 26px rgba(0,0,0,0.45), 0 0 16px rgba(0,240,255,0.12);
        }
        
        .metric-value {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--text-glow);
            line-height: 1.1;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }
        
        .metric-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        
        /* ====== SERVICE MATRIX ====== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        
        .service-item {
            background: var(--bg-card-solid);
            border: 1px solid rgba(255,255,255,0.07);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition-med);
            position: relative;
            overflow: hidden;
        }
        
        .service-item::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
            opacity: 0;
            transition: var(--transition-med);
        }
        
        .service-item:hover {
            border-color: rgba(0,240,255,0.3);
            background: rgba(13,20,40,0.95);
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.4);
        }
        
        .service-item:hover::after {
            opacity: 1;
        }
        
        .service-icon {
            display: inline-grid;
            place-items: center;
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: rgba(0,240,255,0.1);
            color: var(--accent-cyan);
            font-size: 1.4rem;
            margin-bottom: 18px;
            border: 1px solid rgba(0,240,255,0.2);
        }
        
        .service-item h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-white);
        }
        
        .service-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
        
        /* ====== RESULT COMPARISON ====== */
        .result-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: stretch;
        }
        
        .result-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            transition: var(--transition-med);
        }
        
        .result-card.highlight {
            border-color: rgba(0,240,255,0.45);
            background: linear-gradient(145deg, rgba(0,240,255,0.08), rgba(0,82,255,0.08));
            box-shadow: 0 0 26px rgba(0,240,255,0.15);
        }
        
        .result-card .card-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        
        .result-card .card-head h4 {
            font-size: 1.15rem;
            font-weight: 800;
            margin: 0;
            color: var(--text-white);
        }
        
        .result-badge {
            padding: 6px 12px;
            border-radius: 999px;
            font-size: 0.72rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            background: rgba(255,255,255,0.05);
            color: var(--text-muted);
            border: 1px solid rgba(255,255,255,0.1);
        }
        
        .result-card.highlight .result-badge {
            background: rgba(0,240,255,0.15);
            color: var(--text-glow);
            border-color: rgba(0,240,255,0.4);
        }
        
        .result-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        
        .result-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            color: var(--text-soft);
            font-size: 0.93rem;
        }
        
        .result-list li:last-child {
            border-bottom: none;
        }
        
        .result-list li i {
            color: var(--success);
            font-size: 0.88rem;
        }
        
        .result-list li i.fa-xmark {
            color: var(--danger);
        }
        
        .result-note {
            margin-top: 18px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        
        /* ====== FAQ ====== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        
        .faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition-fast);
        }
        
        .faq-item:hover {
            border-color: rgba(0,240,255,0.25);
        }
        
        .faq-question {
            font-size: 1.02rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .faq-question i {
            color: var(--accent-cyan);
            font-size: 0.95rem;
        }
        
        .faq-answer {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
            margin: 0;
        }
        
        /* ====== CTA SECTION ====== */
        .cta-section {
            padding: 90px 0;
            background-image: linear-gradient(135deg, rgba(0,82,255,0.18) 0%, rgba(0,240,255,0.1) 100%),
                              url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(5,11,26,0.75);
            z-index: 1;
        }
        
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
        }
        
        .cta-content h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 900;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        
        .cta-content p {
            color: var(--text-soft);
            font-size: 1.08rem;
            margin-bottom: 30px;
        }
        
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }
        
        /* ====== FOOTER ====== */
        .site-footer {
            background: #040812;
            border-top: 1px solid rgba(0,240,255,0.12);
            padding: 56px 0 28px;
            position: relative;
            z-index: 5;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 0.8fr 0.8fr 0.9fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        
        .footer-brand-name {
            font-weight: 900;
            font-size: 1.05rem;
            line-height: 1.4;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        
        .footer-brand-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 360px;
        }
        
        .footer-payment {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        
        .payment-badge {
            padding: 8px 14px;
            border-radius: 999px;
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.1);
            color: var(--text-soft);
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.02em;
        }
        
        .footer-col-title {
            color: #FFFFFF;
            font-weight: 800;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            text-transform: uppercase;
            margin-bottom: 18px;
        }
        
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition-fast);
        }
        
        .footer-links li a:hover {
            color: var(--accent-cyan);
            transform: translateX(3px);
        }
        
        .footer-links li a i {
            font-size: 0.7rem;
            color: var(--accent-cyan);
        }
        
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-top: 28px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        
        .footer-bottom-links {
            display: flex;
            gap: 18px;
        }
        
        .footer-bottom-links a {
            color: var(--text-muted);
            text-decoration: none;
        }
        
        .footer-bottom-links a:hover {
            color: var(--accent-cyan);
        }
        
        /* ====== FAB ====== */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1500;
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: rgba(5,11,26,0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: grid;
            place-items: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            cursor: pointer;
            opacity: 0.65;
            box-shadow: 0 0 16px rgba(0,240,255,0.35);
            transition: var(--transition-med);
        }
        
        .fab-support::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 16px;
            background: linear-gradient(145deg, var(--accent-cyan), var(--accent-blue));
            z-index: -1;
            opacity: 0.7;
        }
        
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.08);
            box-shadow: 0 0 28px rgba(0,240,255,0.65);
        }
        
        .fab-support:active {
            transform: scale(0.94);
        }
        
        .fab-support .notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: var(--danger);
            border-radius: 50%;
            box-shadow: 0 0 8px rgba(255,59,92,0.9);
            animation: pulseDot 1.6s infinite;
        }
        
        @keyframes pulseDot {
            0%, 100% { opacity: 0.9; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.25); }
        }
        
        /* ====== RESPONSIVE ====== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .service-matrix {
                grid-template-columns: 1fr 1fr;
            }
            
            .result-wrap {
                grid-template-columns: 1fr;
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .navbar-toggler-custom {
                display: inline-flex;
            }
            
            .nav-menu {
                position: fixed;
                top: 76px;
                left: 0;
                width: 100%;
                background: rgba(5,11,26,0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-bottom: 1px solid rgba(0,240,255,0.2);
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 20px 24px;
                display: none;
                z-index: 999;
            }
            
            .nav-menu.open {
                display: flex;
            }
            
            .nav-menu li {
                width: 100%;
            }
            
            .nav-menu li a {
                display: block;
                padding: 12px 18px;
                width: 100%;
                font-size: 1rem;
            }
            
            .header-actions {
                gap: 8px;
            }
            
            .btn-login,
            .btn-signup {
                padding: 8px 14px;
                font-size: 0.78rem;
            }
            
            .service-matrix {
                grid-template-columns: 1fr;
            }
            
            .faq-grid {
                grid-template-columns: 1fr;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            
            .hero-section {
                padding: 72px 0 64px;
            }
            
            .section {
                padding: 64px 0;
            }
        }
        
        @media (max-width: 520px) {
            .container-custom {
                width: 100% - 24px;
                margin: 0 12px;
            }
            
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            
            .hero-title {
                font-size: 2rem;
            }
            
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            
            .btn-primary-glow,
            .btn-outline-glass {
                justify-content: center;
            }
            
            .comparison-panel {
                padding: 18px;
            }
        }

/* roulang page: category2 */
/* ===================== CSS Variables ===================== */
        :root {
            --bg-primary: #080b1a;
            --bg-secondary: #0b1125;
            --bg-card: rgba(15, 23, 42, 0.75);
            --bg-card-hover: rgba(20, 30, 55, 0.9);
            --bg-glass: rgba(13, 18, 38, 0.55);
            --bg-glass-strong: rgba(15, 22, 45, 0.85);
            --text-primary: #f1f5f9;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --text-light: #cbd5e1;
            --accent-blue: #0052ff;
            --accent-cyan: #00f0ff;
            --accent-green: #10b981;
            --accent-yellow: #fbbf24;
            --accent-red: #ef4444;
            --accent-purple: #8b5cf6;
            --border-color: rgba(148, 163, 184, 0.12);
            --border-glow: rgba(0, 240, 255, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 4px 20px rgba(0, 240, 255, 0.2);
            --shadow-btn: 0 4px 18px rgba(0, 82, 255, 0.35);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 22px;
            --radius-full: 50px;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --nav-height: 72px;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.35s ease;
            --transition-slow: 0.5s ease;
        }

        /* ===================== Reset & Base ===================== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
            position: relative;
        }

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

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

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

        button {
            font-family: var(--font-family);
            cursor: pointer;
            border: none;
            outline: none;
        }

        input, select, textarea {
            font-family: var(--font-family);
        }

        ul, ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--spacing-lg);
            padding-right: var(--spacing-lg);
        }

        /* ===================== Header & Nav ===================== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            z-index: 1000;
            background: rgba(8, 11, 26, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-normal);
        }

        .navbar-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: var(--spacing-lg);
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: #fff;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.35);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }

        .logo-name {
            font-weight: 800;
            font-size: 1rem;
            letter-spacing: -0.02em;
            color: #fff;
        }

        .logo-tagline {
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--accent-cyan);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li a {
            color: var(--text-light);
            font-weight: 500;
            font-size: 0.9rem;
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
        }

        .nav-menu li a:hover {
            color: #fff;
            background: rgba(0, 240, 255, 0.08);
        }

        .nav-menu li a.active {
            color: #fff;
            background: rgba(0, 240, 255, 0.12);
        }

        .nav-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: var(--radius-full);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }

        .btn-login, .btn-signup {
            padding: 10px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

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

        .btn-login:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.4);
            color: #fff;
        }

        .btn-signup {
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.35);
        }

        .btn-signup:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 240, 255, 0.45);
        }

        .navbar-toggler-custom {
            display: none;
            background: transparent;
            color: #fff;
            font-size: 1.4rem;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            transition: background var(--transition-fast);
        }

        .navbar-toggler-custom:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ===================== Hero Section ===================== */
        .hero-section {
            padding-top: calc(var(--nav-height) + var(--spacing-3xl));
            padding-bottom: var(--spacing-3xl);
            background-image: radial-gradient(circle at 10% 20%, rgba(0, 82, 255, 0.18) 0%, transparent 45%),
                              radial-gradient(circle at 90% 10%, rgba(0, 240, 255, 0.12) 0%, transparent 40%),
                              url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 200px;
            background: linear-gradient(to bottom, transparent, var(--bg-primary));
            pointer-events: none;
        }

        .hero-bento-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr;
            grid-template-rows: auto auto;
            gap: var(--spacing-lg);
            position: relative;
            z-index: 1;
        }

        .hero-main-block {
            grid-column: 1 / 2;
            grid-row: 1 / 3;
            background: var(--bg-glass-strong);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: var(--spacing-2xl);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-card);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-xs);
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(0, 240, 255, 0.25);
            margin-bottom: var(--spacing-md);
        }

        .hero-title {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-md);
            color: #fff;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-description {
            font-size: 1.05rem;
            line-height: 1.7;
            color: var(--text-light);
            margin-bottom: var(--spacing-xl);
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            align-items: center;
        }

        .btn-primary-hero {
            padding: 14px 28px;
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-full);
            box-shadow: 0 8px 28px rgba(0, 82, 255, 0.4);
            transition: all var(--transition-normal);
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .btn-primary-hero:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(0, 240, 255, 0.5);
            color: #fff;
        }

        .btn-outline-hero {
            padding: 14px 28px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-full);
            transition: all var(--transition-normal);
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .btn-outline-hero:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .hero-mini-block {
            background: var(--bg-glass-strong);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            justify-content: center;
            transition: transform var(--transition-normal), box-shadow var(--transition-normal);
        }

        .hero-mini-block:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 30px rgba(0, 240, 255, 0.2);
        }

        .hero-mini-icon {
            font-size: 2rem;
            color: var(--accent-cyan);
            margin-bottom: var(--spacing-sm);
        }

        .hero-mini-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-xs);
        }

        .hero-mini-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .hero-cta-strip {
            grid-column: 1 / -1;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.2) 0%, rgba(0, 240, 255, 0.15) 100%);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .hero-cta-strip p {
            color: var(--text-light);
            font-weight: 500;
            font-size: 0.95rem;
            margin: 0;
        }

        .hero-cta-strip .btn-strip {
            padding: 10px 22px;
            background: #fff;
            color: var(--bg-primary);
            font-weight: 700;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .hero-cta-strip .btn-strip:hover {
            background: var(--accent-cyan);
            color: var(--bg-primary);
            transform: scale(1.02);
        }

        /* ===================== Metrics / Stats Board ===================== */
        .metrics-section {
            padding: var(--spacing-3xl) 0;
            background: var(--bg-secondary);
        }

        .section-header {
            margin-bottom: var(--spacing-xl);
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: var(--spacing-xs);
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 600px;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            opacity: 0;
            transition: opacity var(--transition-normal);
        }

        .metric-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-glow);
            border-color: var(--border-glow);
        }

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

        .metric-value {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: var(--spacing-xs);
        }

        .metric-value .suffix {
            font-size: 1.2rem;
            color: var(--accent-cyan);
            font-weight: 700;
        }

        .metric-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ===================== Service Matrix / Game Cards ===================== */
        .games-section {
            padding: var(--spacing-3xl) 0;
            background: var(--bg-primary);
        }

        .games-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
        }

        .game-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-normal);
            position: relative;
            box-shadow: var(--shadow-card);
        }

        .game-card:hover {
            transform: translateY(-8px);
            border-color: var(--border-glow);
            box-shadow: 0 15px 40px rgba(0, 240, 255, 0.2);
        }

        .game-card-image {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: #0a0e1f;
        }

        .game-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.85;
            transition: transform var(--transition-slow), opacity var(--transition-slow);
        }

        .game-card:hover .game-card-image img {
            transform: scale(1.08);
            opacity: 1;
        }

        .game-card-tag {
            position: absolute;
            top: var(--spacing-md);
            left: var(--spacing-md);
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(6px);
            color: var(--accent-green);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(16, 185, 129, 0.4);
            letter-spacing: 0.03em;
        }

        .game-card-body {
            padding: var(--spacing-lg);
        }

        .game-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-xs);
        }

        .game-card-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }

        .game-card-rate {
            color: var(--accent-yellow);
            font-weight: 600;
            font-size: 0.85rem;
        }

        .game-card-stat {
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        .game-card-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: var(--spacing-md);
        }

        .btn-play-now {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-xs);
            padding: 10px 20px;
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.3);
        }

        .btn-play-now:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 240, 255, 0.45);
        }

        /* ===================== Comparison / Results ===================== */
        .comparison-section {
            padding: var(--spacing-3xl) 0;
            background: var(--bg-secondary);
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
        }

        .comparison-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
        }

        .comparison-panel--highlight {
            border-color: rgba(0, 240, 255, 0.3);
            background: rgba(0, 240, 255, 0.03);
        }

        .comparison-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-md);
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

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

        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-sm);
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
        }

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

        .comparison-list .icon-check {
            color: var(--accent-green);
            flex-shrink: 0;
        }

        .comparison-list .icon-time {
            color: var(--accent-cyan);
            flex-shrink: 0;
        }

        /* ===================== FAQ ===================== */
        .faq-section {
            padding: var(--spacing-3xl) 0;
            background: var(--bg-primary);
        }

        .faq-list {
            max-width: 850px;
            margin: 0 auto;
        }

        .accordion-item-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-md);
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .accordion-item-custom:hover {
            border-color: rgba(0, 240, 255, 0.3);
        }

        .accordion-item-custom[open] {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
        }

        .accordion-header-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-lg);
            cursor: pointer;
            list-style: none;
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            transition: color var(--transition-fast);
        }

        .accordion-header-custom:hover {
            color: var(--accent-cyan);
        }

        .accordion-header-custom .fa-chevron-down {
            transition: transform var(--transition-normal);
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .accordion-item-custom[open] .accordion-header-custom .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }

        .accordion-body-custom {
            padding: 0 var(--spacing-lg) var(--spacing-lg);
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ===================== CTA / Conversion Form ===================== */
        .cta-section {
            padding: var(--spacing-3xl) 0;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.15) 0%, rgba(0, 240, 255, 0.12) 100%);
            border-top: 1px solid var(--border-glow);
            border-bottom: 1px solid var(--border-glow);
        }

        .cta-card {
            background: var(--bg-glass-strong);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: var(--spacing-2xl);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-card h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-md);
        }

        .cta-card p {
            color: var(--text-light);
            margin-bottom: var(--spacing-xl);
            font-size: 1rem;
        }

        .cta-form {
            display: flex;
            gap: var(--spacing-md);
            max-width: 500px;
            margin: 0 auto var(--spacing-md);
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1 1 240px;
            padding: 14px 20px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(8, 11, 26, 0.7);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: border-color var(--transition-fast);
        }

        .cta-form input::placeholder {
            color: var(--text-muted);
        }

        .cta-form input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15);
        }

        .btn-cta-submit {
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-full);
            transition: all var(--transition-normal);
            white-space: nowrap;
            box-shadow: 0 8px 25px rgba(0, 82, 255, 0.4);
        }

        .btn-cta-submit:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(0, 240, 255, 0.5);
            color: #fff;
        }

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

        /* ===================== Footer ===================== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: var(--spacing-3xl) 0 var(--spacing-xl);
            color: var(--text-secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        .footer-brand-name {
            font-weight: 800;
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
            color: var(--text-muted);
        }

        .footer-payment {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .payment-badge {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-light);
        }

        .footer-col-title {
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            margin-bottom: var(--spacing-md);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

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

        .footer-links li {
            margin-bottom: var(--spacing-sm);
        }

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

        .footer-links a:hover {
            color: var(--accent-cyan);
        }

        .footer-links .fa-chevron-right {
            font-size: 0.6rem;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: var(--spacing-lg);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===================== FAB ===================== */
        .floating-fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(8, 11, 26, 0.8);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(8, 11, 26, 0.8), rgba(8, 11, 26, 0.8)), linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4);
            opacity: 0.7;
            transition: all var(--transition-normal);
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .floating-fab:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.7);
            animation-play-state: paused;
        }

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

        .floating-fab .notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: dot-blink 1.8s infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); opacity: 0.9; }
        }

        @keyframes dot-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.2; }
        }

        /* ===================== Responsive ===================== */
        @media (max-width: 1024px) {
            .hero-bento-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-main-block {
                grid-column: 1 / -1;
                grid-row: auto;
            }
            .hero-cta-strip {
                grid-column: 1 / -1;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .games-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
                --spacing-3xl: 48px;
                --spacing-2xl: 36px;
                --spacing-xl: 28px;
                --spacing-lg: 20px;
            }

            .navbar-toggler-custom {
                display: flex;
            }

            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(8, 11, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                padding: var(--spacing-lg);
                gap: var(--spacing-xs);
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                transition: transform var(--transition-normal);
                z-index: 999;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }

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

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

            .nav-menu li a {
                display: block;
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }

            .header-actions {
                margin-left: auto;
                gap: var(--spacing-xs);
            }

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

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

            .hero-bento-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .hero-main-block,
            .hero-mini-block,
            .hero-cta-strip {
                grid-column: 1 / -1;
                padding: var(--spacing-lg);
            }

            .hero-mini-block {
                flex-direction: row;
                align-items: center;
                gap: var(--spacing-md);
                text-align: left;
            }

            .hero-mini-icon {
                font-size: 1.6rem;
                margin-bottom: 0;
            }

            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }

            .games-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .section-title {
                font-size: 1.5rem;
            }

            .comparison-grid {
                gap: var(--spacing-lg);
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }

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

            .floating-fab {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: var(--spacing-md);
                padding-right: var(--spacing-md);
            }

            .hero-title {
                font-size: 1.5rem;
            }

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

            .btn-primary-hero,
            .btn-outline-hero {
                padding: 12px 20px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }

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

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

            .metric-value {
                font-size: 1.8rem;
            }

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

            .cta-form {
                flex-direction: column;
            }

            .btn-cta-submit {
                width: 100%;
            }
        }

        /* Focus visible utilities */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }

/* roulang page: category3 */
:root {
            --bg-deep: #08090F;
            --bg-navy: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.75);
            --bg-glass: rgba(255, 255, 255, 0.04);
            --border-glass: rgba(0, 240, 255, 0.22);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-gold: #FFD700;
            --accent-red: #FF2D55;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #7B8CA8;
            --shadow-neon: 0 0 18px rgba(0, 240, 255, 0.25);
            --shadow-neon-strong: 0 0 32px rgba(0, 82, 255, 0.45);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-main: 'Be Vietnam Pro', sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background-color: var(--bg-deep);
            background-image: radial-gradient(circle at 20% 10%, rgba(0, 82, 255, 0.18) 0%, transparent 50%),
                              radial-gradient(circle at 80% 90%, rgba(0, 240, 255, 0.12) 0%, transparent 50%);
            color: var(--text-silver);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            transition: all 0.25s ease;
        }
        a:hovera:hover { color: var(--accent-cyan); }
        img { max-width: 100%; display: block; }
        button, input, select, textarea { font-family: inherit; }
        .container-custom {
            width: 100%;
            max-width: 1240px;
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }
        .site-header {
            background: rgba(8, 9, 15, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.14);
            position: sticky;
            top: 0;
            z-index: 1030;
            padding: 14px 0;
        }
        .navbar-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-white);
            flex-shrink: 0;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-white);
            font-size: 1.5rem;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .logo-name {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-white);
            letter-spacing: 0.3px;
        }
        .logo-tagline {
            font-size: 0.72rem;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 0.6px;
            font-weight: 600;
        }
        .nav-menu {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 28px;
            margin: 0;
        }
        .nav-menu a {
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.94rem;
            padding: 8px 0;
            position: relative;
            display: inline-block;
        }
        .nav-menu a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            transition: width 0.25s ease;
        }
        .nav-menu a:hover::after,
        .nav-menu a.active::after {
            width: 100%;
        }
        .nav-menu a.active {
            color: var(--text-white);
        }
        .nav-menu a:hover {
            color: var(--accent-cyan);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login,
        .btn-signup {
            padding: 9px 18px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .btn-login {
            background: transparent;
            color: var(--text-white);
            border: 1px solid rgba(255, 255, 255, 0.28);
        }
        .btn-login:hover {
            color: var(--accent-cyan);
            border-color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: var(--text-white);
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.4);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 24px rgba(0, 82, 255, 0.65);
            color: var(--text-white);
        }
        .navbar-toggler-custom {
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.7rem;
            display: none;
            padding: 4px 8px;
        }
        @media (max-width: 991px) {
            .navbar-toggler-custom {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .nav-menu {
                position: absolute;
                top: 78px;
                left: 0;
                width: 100%;
                background: rgba(8, 9, 15, 0.96);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                padding: 22px 24px;
                border-bottom: 1px solid rgba(0, 240, 255, 0.16);
                display: none;
                gap: 14px;
            }
            .nav-menu.show {
                display: flex;
            }
            .navbar-site {
                flex-wrap: wrap;
            }
            .header-actions {
                margin-left: auto;
            }
        }
        main {
            min-height: 100vh;
        }
        .hero-section {
            padding: 72px 0 64px;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.16) 0%, rgba(8, 9, 15, 0.9) 55%, rgba(0, 240, 255, 0.1) 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            right: -120px;
            top: -80px;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.22), transparent 70%);
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.28);
            color: var(--accent-cyan);
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            margin-bottom: 18px;
        }
        .hero-title {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            margin-bottom: 18px;
        }
        .hero-title span {
            color: var(--accent-cyan);
        }
        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-silver);
            max-width: 580px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-neon,
        .btn-outline-neon {
            padding: 12px 24px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
        }
        .btn-primary-neon {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: var(--text-white);
            border: none;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.45);
        }
        .btn-primary-neon:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 32px rgba(0, 82, 255, 0.7);
            color: var(--text-white);
        }
        .btn-outline-neon {
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.5);
        }
        .btn-outline-neon:hover {
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-cyan);
            border-color: var(--accent-cyan);
        }
        .hero-image-panel {
            background: rgba(13, 17, 30, 0.6);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 18px;
            box-shadow: var(--shadow-neon-strong);
            position: relative;
        }
        .hero-image-panel img {
            border-radius: var(--radius-md);
            width: 100%;
            height: 280px;
            object-fit: cover;
        }
        .hero-stats-row {
            display: flex;
            gap: 14px;
            margin-top: 18px;
            flex-wrap: wrap;
        }
        .hero-stat-mini {
            flex: 1 1 30%;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(0, 240, 255, 0.18);
            border-radius: var(--radius-sm);
            padding: 12px;
            text-align: center;
        }
        .hero-stat-mini strong {
            display: block;
            font-size: 1.2rem;
            color: var(--accent-cyan);
            font-weight: 800;
        }
        .hero-stat-mini span {
            font-size: 0.74rem;
            color: var(--text-muted);
            display: block;
        }
        .section-block {
            padding: 70px 0;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-title i {
            color: var(--accent-cyan);
            font-size: 1.6rem;
        }
        .section-sub {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 720px;
            margin-bottom: 32px;
        }
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            transition: all 0.3s ease;
            text-align: left;
        }
        .metric-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }
        .metric-card .metric-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.25), rgba(0, 240, 255, 0.25));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            margin-bottom: 14px;
        }
        .metric-card .metric-value {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .metric-card .metric-label {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .service-card {
            background: rgba(13, 17, 30, 0.68);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .service-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            transform: translateY(-5px);
        }
        .service-card .service-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            margin-bottom: 16px;
        }
        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
        }
        .service-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 22px;
        }
        .compare-box {
            border-radius: var(--radius-md);
            padding: 28px;
            min-height: 260px;
        }
        .compare-box.before {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .compare-box.after {
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.4);
        }
        .compare-box h4 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 18px;
        }
        .compare-box.before h4 {
            color: var(--text-muted);
        }
        .compare-box.after h4 {
            color: var(--accent-cyan);
        }
        .compare-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .compare-list li {
            padding: 8px 0;
            color: var(--text-silver);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
        }
        .compare-list li i {
            margin-top: 4px;
            font-size: 0.9rem;
        }
        .before .compare-list li i {
            color: var(--accent-red);
        }
        .after .compare-list li i {
            color: var(--accent-cyan);
        }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .game-card {
            background: rgba(13, 17, 30, 0.72);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
            position: relative;
        }
        .game-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
            transform: translateY(-6px);
        }
        .game-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .game-card .game-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--accent-red);
            color: var(--text-white);
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 999px;
            letter-spacing: 0.4px;
        }
        .game-card-body {
            padding: 18px;
        }
        .game-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .game-card-body p {
            color: var(--text-muted);
            font-size: 0.84rem;
            margin-bottom: 14px;
        }
        .game-card-link {
            color: var(--accent-cyan);
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .game-card-link:hover {
            color: var(--text-white);
            gap: 10px;
        }
        .faq-accordion .accordion-item {
            background: rgba(13, 17, 30, 0.68);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-cyan);
            box-shadow: none;
        }
        .faq-accordion .accordion-button::after {
            filter: invert(1);
        }
        .faq-accordion .accordion-body {
            background: transparent;
            color: var(--text-silver);
            padding: 0 22px 18px;
            font-size: 0.95rem;
        }
        .cta-form-block {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.2), rgba(0, 240, 255, 0.12));
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            margin-top: 20px;
        }
        .cta-form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: center;
        }
        .cta-form-title {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-form-desc {
            color: var(--text-silver);
            font-size: 1rem;
            margin-bottom: 0;
        }
        .form-control-neon {
            background: rgba(8, 9, 15, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-white);
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
            width: 100%;
        }
        .form-control-neon::placeholder {
            color: var(--text-muted);
        }
        .form-control-neon:focus {
            outline: none;
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15);
            background: rgba(8, 9, 15, 0.9);
        }
        .btn-submit-neon {
            width: 100%;
            padding: 12px 18px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            border-radius: var(--radius-sm);
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.25s ease;
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.4);
        }
        .btn-submit-neon:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(0, 82, 255, 0.6);
        }
        .site-footer {
            background: rgba(8, 9, 15, 0.92);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 64px 0 0;
            margin-top: 70px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
        }
        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.4;
            margin-bottom: 16px;
        }
        .footer-brand-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 18px;
            max-width: 500px;
        }
        .footer-payment {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }
        .payment-badge {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text-silver);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 600;
        }
        .footer-col-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
        }
        .footer-links a i {
            font-size: 0.75rem;
            color: var(--accent-cyan);
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
            transform: translateX(4px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            margin-top: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            flex-wrap: wrap;
        }
        .footer-copy {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin: 0;
        }
        .footer-badges {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .badge-18 {
            background: var(--accent-red);
            color: var(--text-white);
            font-weight: 800;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
        }
        .badge-license {
            color: var(--text-muted);
            font-size: 0.75rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .fab-neon {
            position: fixed;
            left: 18px;
            bottom: 80px;
            z-index: 2000;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(8, 9, 15, 0.72);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            transition: all 0.3s ease;
            animation: fabBreath 3s ease-in-out infinite;
        }
        .fab-neon:hover {
            color: var(--text-white);
            box-shadow: 0 0 32px rgba(0, 82, 255, 0.75);
            transform: scale(1.1);
        }
        @keyframes fabBreath {
            0%, 100% { opacity: 0.75; }
            50% { opacity: 1; }
        }
        @media (max-width: 991px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-form-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }
        @media (max-width: 576px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-section {
                padding: 48px 0 48px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-image-panel img {
                height: 200px;
            }
            .metric-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .game-grid {
                grid-template-columns: 1fr;
            }
            .cta-form-block {
                padding: 28px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .navbar-site {
                gap: 8px;
            }
            .logo-name {
                font-size: 0.95rem;
            }
            .header-actions {
                gap: 6px;
            }
            .btn-login,
            .btn-signup {
                padding: 7px 12px;
                font-size: 0.8rem;
            }
        }