/* roulang page: index */
@import url('/assets/css/vendor/9723b7396f-css2.css');

:root {
    --bg-primary: #0A0F1E;
    --bg-secondary: #12182B;
    --bg-card: #1A1F3A;
    --accent-blue: #0052FF;
    --accent-cyan: #00F0FF;
    --accent-gold: #FFB800;
    --text-primary: #FFFFFF;
    --text-secondary: #A8B2D1;
    --text-muted: #6B7394;
    --border-subtle: rgba(0,240,255,0.15);
    --border-active: rgba(0,240,255,0.4);
    --shadow-glow: 0 0 25px rgba(0, 82, 255, 0.3);
    --shadow-cyan: 0 0 20px rgba(0, 240, 255, 0.25);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --font-heading: 'Be Vietnam Pro', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.65;
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.3;
    font-weight: 700;
}

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

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

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

.container {
    max-width: 1260px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

@media (max-width: 1024px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
}

@media (max-width: 640px) {
    .container {
        padding-left: 12px;
        padding-right: 12px;
    }
}

/* Navigation */
.nav-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 15, 30, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition-smooth);
}

.nav-header.scrolled {
    background: rgba(10, 15, 30, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: 24px;
}

.logo-brand {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: opacity var(--transition-fast);
}

.logo-brand:hover {
    opacity: 0.85;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #fff;
    font-weight: 900;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.925rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
    white-space: nowrap;
}

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

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-cyan);
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-nav-login {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 10px 20px;
    border-radius: 30px;
    background: transparent;
    border: 1px solid var(--border-active);
    color: var(--accent-cyan);
    transition: all var(--transition-fast);
}

.btn-nav-login:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--accent-cyan);
}

.btn-nav-signup {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 10px 22px;
    border-radius: 30px;
    background: linear-gradient(135deg, var(--accent-blue), #003DCC);
    color: #fff;
    border: none;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px rgba(0, 82, 255, 0.4);
}

.btn-nav-signup:hover {
    box-shadow: 0 6px 25px rgba(0, 82, 255, 0.6);
    transform: translateY(-1px);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    padding: 8px;
}

@media (max-width: 860px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 15, 30, 0.98);
        backdrop-filter: blur(30px);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--border-subtle);
        transform: translateY(-120%);
        transition: transform var(--transition-smooth);
        z-index: 999;
    }
    .nav-links.open {
        transform: translateY(0);
    }
    .hamburger {
        display: block;
    }
    .nav-actions {
        gap: 8px;
    }
    .btn-nav-login,
    .btn-nav-signup {
        font-size: 0.8rem;
        padding: 8px 16px;
    }
    .logo-brand {
        font-size: 1rem;
    }
    .logo-icon {
        width: 30px;
        height: 30px;
        font-size: 1rem;
    }
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 90px;
    padding-bottom: 60px;
    position: relative;
    overflow: hidden;
    background: radial-gradient(ellipse at 30% 50%, rgba(0, 82, 255, 0.12), transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(0, 240, 255, 0.08), transparent 55%),
                var(--bg-primary);
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
    display: inline-block;
    background: rgba(0, 240, 255, 0.15);
    border: 1px solid var(--border-active);
    color: var(--accent-cyan);
    font-weight: 600;
    font-size: 0.8rem;
    padding: 6px 16px;
    border-radius: 30px;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 18px;
    background: linear-gradient(135deg, #FFFFFF 0%, #A8C8FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 36px;
}

.btn-primary-hero {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    padding: 14px 32px;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--accent-blue), #0044CC);
    color: #fff;
    border: none;
    transition: all var(--transition-smooth);
    box-shadow: 0 6px 30px rgba(0, 82, 255, 0.5);
}

.btn-primary-hero:hover {
    box-shadow: 0 10px 40px rgba(0, 82, 255, 0.7);
    transform: translateY(-2px);
}

.btn-outline-hero {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    padding: 14px 32px;
    border-radius: 50px;
    background: transparent;
    border: 2px solid var(--border-active);
    color: var(--accent-cyan);
    transition: all var(--transition-smooth);
}

.btn-outline-hero:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--accent-cyan);
}

.hero-stats-row {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

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

.hero-stat-value {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.8rem;
    color: var(--accent-gold);
    line-height: 1.1;
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-ring-container {
    position: relative;
    width: 280px;
    height: 280px;
}

.progress-ring-bg {
    fill: none;
    stroke: var(--border-subtle);
    stroke-width: 10;
}

.progress-ring-fill {
    fill: none;
    stroke: url(#gradientRing);
    stroke-width: 10;
    stroke-linecap: round;
    transform: rotate(-90deg);
    transform-origin: center;
    transition: stroke-dashoffset 1.5s ease-out;
}

.progress-center-text {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.progress-percent {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 3.5rem;
    line-height: 1;
    color: var(--accent-cyan);
}

.progress-sub {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.hero-image-panel {
    position: absolute;
    right: -40px;
    top: 50%;
    transform: translateY(-50%);
    width: 320px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 82, 255, 0.2);
    border: 1px solid var(--border-subtle);
}

@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .hero-title {
        font-size: 2.4rem;
    }
    .hero-desc {
        margin-left: auto;
        margin-right: auto;
        max-width: 100%;
    }
    .hero-cta-group {
        justify-content: center;
    }
    .hero-stats-row {
        justify-content: center;
    }
    .hero-stat-item {
        text-align: center;
    }
    .hero-visual {
        order: -1;
    }
    .progress-ring-container {
        width: 220px;
        height: 220px;
    }
    .hero-image-panel {
        position: static;
        transform: none;
        width: 260px;
        margin: 20px auto 0;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 1.9rem;
    }
    .hero-desc {
        font-size: 0.95rem;
    }
    .btn-primary-hero,
    .btn-outline-hero {
        font-size: 0.9rem;
        padding: 12px 24px;
        width: 100%;
        text-align: center;
    }
    .hero-cta-group {
        flex-direction: column;
        width: 100%;
    }
    .hero-stats-row {
        gap: 20px;
    }
    .hero-stat-value {
        font-size: 1.4rem;
    }
}

/* Section Base */
.section {
    padding: 80px 0;
}

.section-label {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent-cyan);
    margin-bottom: 10px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 680px;
}

@media (max-width: 640px) {
    .section {
        padding: 50px 0;
    }
    .section-title {
        font-size: 1.7rem;
    }
    .section-desc {
        font-size: 0.95rem;
    }
}

/* Service Highlights */
.highlights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 50px;
}

.highlight-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

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

.highlight-card:hover::before {
    transform: scaleX(1);
}

.highlight-card:hover {
    border-color: var(--border-active);
    box-shadow: 0 8px 40px rgba(0, 52, 255, 0.2);
    transform: translateY(-4px);
}

.highlight-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(0, 240, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-cyan);
    margin-bottom: 20px;
}

.highlight-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.highlight-card p {
    font-size: 0.925rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

@media (max-width: 860px) {
    .highlights-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

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

/* Timeline Section */
.timeline-section {
    background: var(--bg-secondary);
    position: relative;
}

.timeline-list {
    margin-top: 50px;
    display: flex;
    flex-direction: column;
    gap: 28px;
    max-width: 800px;
}

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

.timeline-dot {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-cyan);
    margin-top: 6px;
    box-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
}

.timeline-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

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

/* Hot Picks */
.hot-picks-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 28px;
    margin-top: 50px;
}

.hot-main-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    position: relative;
    transition: all var(--transition-smooth);
}

.hot-main-card:hover {
    border-color: var(--border-active);
    box-shadow: 0 12px 50px rgba(0, 82, 255, 0.25);
}

.hot-main-img {
    height: 240px;
    object-fit: cover;
    width: 100%;
}

.hot-main-body {
    padding: 24px;
}

.hot-tag {
    display: inline-block;
    background: #FF3D3D;
    color: #fff;
    font-weight: 700;
    font-size: 0.75rem;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.hot-main-body h3 {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 8px;
}

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

.hot-side-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hot-side-item {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: 14px;
    transition: all var(--transition-fast);
}

.hot-side-item:hover {
    border-color: var(--border-active);
    background: var(--bg-secondary);
}

.hot-side-thumb {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.hot-side-info h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.hot-side-info span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .hot-picks-grid {
        grid-template-columns: 1fr;
    }
}

/* Media Scroll */
.media-scroll-wrap {
    margin-top: 50px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 12px;
}

.media-scroll-track {
    display: flex;
    gap: 20px;
    width: max-content;
}

.media-scroll-card {
    width: 260px;
    flex-shrink: 0;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-fast);
}

.media-scroll-card:hover {
    border-color: var(--border-active);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 82, 255, 0.2);
}

.media-scroll-card img {
    height: 150px;
    object-fit: cover;
    width: 100%;
}

.media-scroll-body {
    padding: 16px;
}

.media-scroll-body h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.media-scroll-body p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Ticket Comparison */
.ticket-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 50px;
}

.ticket-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition-smooth);
    position: relative;
}

.ticket-card.featured {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.2);
    transform: scale(1.03);
}

.ticket-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: #fff;
    font-weight: 700;
    font-size: 0.75rem;
    padding: 6px 18px;
    border-radius: 30px;
}

.ticket-card h3 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.ticket-price {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 2.2rem;
    color: var(--accent-gold);
    margin-bottom: 20px;
}

.ticket-features {
    list-style: none;
    text-align: left;
    margin-bottom: 24px;
}

.ticket-features li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 8px 0;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: 8px;
}

.ticket-features li i {
    color: var(--accent-cyan);
    font-size: 0.8rem;
}

.btn-ticket {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    padding: 12px 28px;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--accent-blue), #003DCC);
    color: #fff;
    width: 100%;
    transition: all var(--transition-fast);
}

.btn-ticket:hover {
    box-shadow: 0 6px 25px rgba(0, 82, 255, 0.5);
}

@media (max-width: 860px) {
    .ticket-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    .ticket-card.featured {
        transform: none;
    }
}

/* News Section */
.news-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 32px;
    margin-top: 50px;
}

.news-main-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.news-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-subtle);
    transition: all var(--transition-fast);
}

.news-list-item:hover {
    border-color: var(--border-active);
}

.news-list-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    flex: 1;
    margin-right: 16px;
}

.news-list-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.news-side-rec {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--border-subtle);
}

.news-side-rec h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--accent-cyan);
}

.news-side-item {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
}

.news-side-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.news-side-num {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.4rem;
    color: var(--accent-gold);
    flex-shrink: 0;
    width: 30px;
}

.news-side-text h4 {
    font-size: 0.9rem;
    font-weight: 600;
}

.news-side-text span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
}

/* Booking / CTA Form */
.form-section {
    background: linear-gradient(180deg, var(--bg-secondary), var(--bg-primary));
}

.form-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    border: 1px solid var(--border-subtle);
    max-width: 700px;
    margin: 50px auto 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
}

.btn-submit-form {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    padding: 14px 36px;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--accent-blue), #0044CC);
    color: #fff;
    width: 100%;
    transition: all var(--transition-fast);
    margin-top: 10px;
}

.btn-submit-form:hover {
    box-shadow: 0 8px 30px rgba(0, 82, 255, 0.5);
    transform: translateY(-2px);
}

@media (max-width: 520px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    .form-card {
        padding: 28px 20px;
    }
}

/* FAQ */
.faq-list {
    margin-top: 50px;
    max-width: 800px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    overflow: hidden;
    transition: all var(--transition-fast);
}

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

.faq-question {
    width: 100%;
    background: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
    text-align: left;
    padding: 18px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
}

.faq-answer {
    padding: 0 24px 18px;
    font-size: 0.925rem;
    color: var(--text-secondary);
    line-height: 1.7;
    display: none;
}

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

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

/* Footer */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding: 50px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
}

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

.footer-col p,
.footer-col a {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.8;
    display: block;
}

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

.footer-bottom {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* FAB */
.fab-container {
    position: fixed;
    left: 16px;
    bottom: 96px;
    z-index: 50;
}

.fab-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(10, 15, 30, 0.7);
    backdrop-filter: blur(12px);
    border: 2px solid;
    border-image: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue)) 1;
    color: var(--accent-cyan);
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-smooth);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
    opacity: 0.7;
    animation: fabBreath 2.5s ease-in-out infinite;
}

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

.fab-btn:hover {
    opacity: 1;
    box-shadow: 0 0 35px rgba(0, 240, 255, 0.6);
    border-color: var(--accent-cyan);
    transform: scale(1.1);
}

.fab-notify {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 14px;
    height: 14px;
    background: #FF3D3D;
    border-radius: 50%;
    border: 2px solid var(--bg-primary);
    animation: blink 1.2s infinite;
}

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

@media (max-width: 640px) {
    .fab-btn {
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }
    .fab-container {
        bottom: 80px;
    }
}

/* roulang page: article */
:root {
            --bg-primary: #0A0F1E;
            --bg-secondary: #12182B;
            --bg-card: #1A1F3A;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-gold: #FFB800;
            --text-primary: #FFFFFF;
            --text-secondary: #A8B2D1;
            --text-muted: #6B7394;
            --border-subtle: rgba(0,240,255,0.15);
            --border-active: rgba(0,240,255,0.4);
            --shadow-glow: 0 0 25px rgba(0, 82, 255, 0.3);
            --shadow-cyan: 0 0 20px rgba(0, 240, 255, 0.25);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --font-heading: 'Be Vietnam Pro', sans-serif;
            --font-body: 'Inter', sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            overflow-x: hidden;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        .container {
            max-width: 1260px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }
        }

        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 15, 30, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }

        .nav-header.scrolled {
            background: rgba(10, 15, 30, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: 24px;
        }

        .logo-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: opacity var(--transition-fast);
        }

        .logo-brand:hover {
            opacity: 0.85;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            font-weight: 900;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            font-family: var(--font-body);
            font-weight: 500;
            font-size: 0.925rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-nav-login {
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: 30px;
            background: transparent;
            border: 1px solid var(--border-active);
            color: var(--accent-cyan);
            transition: all var(--transition-fast);
        }

        .btn-nav-login:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
        }

        .btn-nav-signup {
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--accent-blue), #003DCC);
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.4);
        }

        .btn-nav-signup:hover {
            box-shadow: 0 6px 25px rgba(0, 82, 255, 0.6);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 8px;
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(10, 15, 30, 0.98);
                backdrop-filter: blur(30px);
                flex-direction: column;
                padding: 24px;
                gap: 20px;
                border-bottom: 1px solid var(--border-subtle);
                transform: translateY(-120%);
                transition: transform var(--transition-smooth);
                z-index: 999;
            }

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

            .hamburger {
                display: block;
            }

            .nav-actions {
                gap: 8px;
            }

            .btn-nav-login,
            .btn-nav-signup {
                font-size: 0.8rem;
                padding: 8px 16px;
            }

            .logo-brand {
                font-size: 1rem;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }
        }

        .page-header {
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 82, 255, 0.1), transparent 60%),
                        radial-gradient(ellipse at 70% 30%, rgba(0, 240, 255, 0.06), transparent 55%),
                        var(--bg-secondary);
            padding-top: 110px;
            padding-bottom: 60px;
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
        }

        .page-header-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.05;
            pointer-events: none;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 48px;
            align-items: start;
            padding-top: 50px;
            padding-bottom: 80px;
        }

        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        .article-main {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 40px;
        }

        @media (max-width: 520px) {
            .article-main {
                padding: 24px 16px;
            }
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-subtle);
        }

        .article-meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-active);
            color: var(--accent-cyan);
            padding: 6px 14px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.8rem;
        }

        .article-meta-date {
            font-weight: 500;
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        .article-content h1 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2rem;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 24px;
        }

        .article-content h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.5rem;
            line-height: 1.35;
            color: var(--text-primary);
            margin-top: 36px;
            margin-bottom: 16px;
        }

        .article-content h3 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 1.2rem;
            line-height: 1.4;
            color: var(--accent-cyan);
            margin-top: 28px;
            margin-bottom: 12px;
        }

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

        .article-content ul,
        .article-content ol {
            margin-bottom: 18px;
            padding-left: 24px;
        }

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

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

        .article-content blockquote {
            border-left: 3px solid var(--accent-cyan);
            padding-left: 20px;
            margin: 24px 0;
            color: var(--text-secondary);
            font-style: italic;
            background: rgba(0, 240, 255, 0.03);
            padding: 16px 20px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
        }

        .article-cta-strip {
            margin-top: 40px;
            padding: 32px;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.15), rgba(0, 240, 255, 0.08));
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            text-align: center;
        }

        .article-cta-strip h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .article-cta-strip p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-blue), #003DCC);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: 50px;
            box-shadow: 0 6px 25px rgba(0, 82, 255, 0.45);
            transition: all var(--transition-fast);
        }

        .btn-cta-primary:hover {
            box-shadow: 0 8px 35px rgba(0, 82, 255, 0.65);
            transform: translateY(-2px);
        }

        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 90px;
        }

        @media (max-width: 1024px) {
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

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

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

        .sidebar-card h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-subtle);
        }

        .sidebar-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .sidebar-card ul li a:hover {
            color: var(--accent-cyan);
        }

        .sidebar-card ul li a i {
            font-size: 0.8rem;
            color: var(--accent-cyan);
        }

        .sidebar-banner {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            color: #fff;
        }

        .sidebar-banner h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 8px;
        }

        .sidebar-banner p {
            font-weight: 500;
            font-size: 0.9rem;
            opacity: 0.9;
            margin-bottom: 16px;
        }

        .btn-sidebar-banner {
            display: inline-block;
            background: #fff;
            color: var(--accent-blue);
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 30px;
            transition: all var(--transition-fast);
        }

        .btn-sidebar-banner:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
        }

        .not-found-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
        }

        .not-found-card i {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: block;
        }

        .not-found-card h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 8px;
        }

        .not-found-card p {
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: 18px;
        }

        .footer-col p {
            font-weight: 400;
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer-col a {
            display: block;
            font-weight: 500;
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 24px;
            text-align: center;
            font-weight: 500;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .fab-floating {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(18, 24, 43, 0.85);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-cyan);
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
        }

        .fab-floating::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            z-index: -1;
            opacity: 0.6;
        }

        .fab-floating:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
        }

/* roulang page: category1 */
@import url('/assets/css/vendor/9723b7396f-css2.css');

        :root {
            --bg-primary: #0A0F1E;
            --bg-secondary: #12182B;
            --bg-card: #1A1F3A;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-gold: #FFB800;
            --accent-green: #00E676;
            --accent-red: #FF3D5C;
            --text-primary: #FFFFFF;
            --text-secondary: #A8B2D1;
            --text-muted: #6B7394;
            --border-subtle: rgba(0,240,255,0.15);
            --border-active: rgba(0,240,255,0.4);
            --shadow-glow: 0 0 25px rgba(0, 82, 255, 0.3);
            --shadow-cyan: 0 0 20px rgba(0, 240, 255, 0.25);
            --shadow-gold: 0 0 25px rgba(255, 184, 0, 0.3);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --font-heading: 'Be Vietnam Pro', sans-serif;
            --font-body: 'Inter', sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            overflow-x: hidden;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        .container {
            max-width: 1260px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }
        }

        /* Navigation */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 15, 30, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }

        .nav-header.scrolled {
            background: rgba(10, 15, 30, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: 24px;
        }

        .logo-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: opacity var(--transition-fast);
        }

        .logo-brand:hover {
            opacity: 0.85;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            font-weight: 900;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            font-family: var(--font-body);
            font-weight: 500;
            font-size: 0.925rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-nav-login {
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: 30px;
            background: transparent;
            border: 1px solid var(--border-active);
            color: var(--accent-cyan);
            transition: all var(--transition-fast);
        }

        .btn-nav-login:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
        }

        .btn-nav-signup {
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--accent-blue), #003DCC);
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.4);
        }

        .btn-nav-signup:hover {
            box-shadow: 0 6px 25px rgba(0, 82, 255, 0.6);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 8px;
        }

        @media (max-width: 1024px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(10, 15, 30, 0.98);
                backdrop-filter: blur(30px);
                flex-direction: column;
                padding: 24px;
                gap: 20px;
                border-bottom: 1px solid var(--border-subtle);
                transform: translateY(-120%);
                transition: transform var(--transition-smooth);
                z-index: 999;
            }

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

            .hamburger {
                display: block;
            }

            .nav-actions {
                gap: 8px;
            }

            .btn-nav-login,
            .btn-nav-signup {
                font-size: 0.8rem;
                padding: 8px 16px;
            }

            .logo-brand {
                font-size: 1rem;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }
        }

        /* Page Banner */
        .page-banner {
            min-height: 55vh;
            display: flex;
            align-items: center;
            padding-top: 100px;
            padding-bottom: 70px;
            position: relative;
            overflow: hidden;
            background: radial-gradient(ellipse at 40% 50%, rgba(255, 184, 0, 0.15), transparent 60%),
                        radial-gradient(ellipse at 70% 30%, rgba(0, 240, 255, 0.08), transparent 55%),
                        var(--bg-secondary);
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: 
                linear-gradient(rgba(255, 184, 0, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 184, 0, 0.05) 1px, transparent 1px);
            background-size: 50px 50px;
            pointer-events: none;
        }

        .banner-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
        }

        @media (max-width: 768px) {
            .banner-grid {
                grid-template-columns: 1fr;
                gap: 30px;
                text-align: center;
            }
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(255, 184, 0, 0.15);
            border: 1px solid rgba(255, 184, 0, 0.3);
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
        }

        .banner-title {
            font-family: var(--font-heading);
            font-weight: 900;
            font-size: 3rem;
            line-height: 1.15;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #FFFFFF 0%, var(--accent-gold) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        @media (max-width: 768px) {
            .banner-title {
                font-size: 2.2rem;
            }
        }

        .banner-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 30px;
        }

        .banner-image-wrap {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-gold);
            border: 1px solid rgba(255, 184, 0, 0.25);
        }

        .banner-image-wrap img {
            width: 100%;
            height: auto;
            display: block;
        }

        .banner-image-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            padding: 8px 16px;
            background: rgba(0, 0, 0, 0.75);
            backdrop-filter: blur(10px);
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--accent-gold);
            border: 1px solid var(--accent-gold);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* Promo Cards */
        .promo-section {
            padding: 80px 0;
            background: var(--bg-primary);
        }

        @media (max-width: 768px) {
            .promo-section {
                padding: 50px 0;
            }
        }

        .section-header {
            margin-bottom: 50px;
        }

        .section-label {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-active);
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.8rem;
            color: var(--accent-cyan);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .section-title {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.2rem;
            margin-bottom: 12px;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
        }

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

        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
            gap: 24px;
        }

        @media (max-width: 768px) {
            .promo-grid {
                grid-template-columns: 1fr;
            }
        }

        .promo-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .promo-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-cyan));
            transform: scaleX(0);
            transition: transform var(--transition-smooth);
        }

        .promo-card:hover::before {
            transform: scaleX(1);
        }

        .promo-card:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-cyan);
            transform: translateY(-4px);
        }

        .promo-tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.75rem;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .promo-tag.hot {
            background: rgba(255, 61, 92, 0.2);
            color: var(--accent-red);
            border: 1px solid rgba(255, 61, 92, 0.3);
        }

        .promo-tag.new {
            background: rgba(0, 230, 118, 0.15);
            color: var(--accent-green);
            border: 1px solid rgba(0, 230, 118, 0.3);
        }

        .promo-tag.gold {
            background: rgba(255, 184, 0, 0.15);
            color: var(--accent-gold);
            border: 1px solid rgba(255, 184, 0, 0.3);
        }

        .promo-card-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .promo-card-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .promo-highlight {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            background: rgba(255, 184, 0, 0.08);
            border-radius: var(--radius-md);
            margin-bottom: 20px;
            border-left: 3px solid var(--accent-gold);
        }

        .promo-highlight i {
            color: var(--accent-gold);
            font-size: 1.3rem;
        }

        .promo-highlight-text {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--accent-gold);
        }

        .promo-highlight-sub {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .promo-stats {
            display: flex;
            gap: 20px;
            margin-bottom: 20px;
            padding: 14px;
            background: rgba(0, 0, 0, 0.3);
            border-radius: var(--radius-md);
        }

        .promo-stat-item {
            text-align: center;
            flex: 1;
        }

        .promo-stat-value {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--accent-cyan);
        }

        .promo-stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .btn-claim {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            width: 100%;
            justify-content: center;
            padding: 14px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.95rem;
            background: linear-gradient(135deg, var(--accent-gold), #E5A100);
            color: #0A0F1E;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 18px rgba(255, 184, 0, 0.35);
        }

        .btn-claim:hover {
            box-shadow: 0 8px 30px rgba(255, 184, 0, 0.55);
            transform: translateY(-2px);
        }

        /* VIP Section */
        .vip-section {
            padding: 80px 0;
            background: var(--bg-secondary);
            position: relative;
            overflow: hidden;
        }

        .vip-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 80%, rgba(255, 184, 0, 0.08), transparent 50%),
                        radial-gradient(circle at 80% 20%, rgba(0, 240, 255, 0.06), transparent 50%);
            pointer-events: none;
        }

        @media (max-width: 768px) {
            .vip-section {
                padding: 50px 0;
            }
        }

        .vip-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        @media (max-width: 768px) {
            .vip-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        .vip-tiers {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .vip-tier {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }

        .vip-tier:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-cyan);
        }

        .vip-tier-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .vip-tier-icon.bronze {
            background: rgba(205, 127, 50, 0.25);
            color: #CD7F32;
        }

        .vip-tier-icon.silver {
            background: rgba(192, 192, 192, 0.25);
            color: #C0C0C0;
        }

        .vip-tier-icon.gold {
            background: rgba(255, 215, 0, 0.25);
            color: #FFD700;
        }

        .vip-tier-icon.platinum {
            background: rgba(0, 240, 255, 0.25);
            color: var(--accent-cyan);
        }

        .vip-tier-info {
            flex: 1;
        }

        .vip-tier-name {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
        }

        .vip-tier-reward {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        /* How to Claim */
        .how-section {
            padding: 80px 0;
            background: var(--bg-primary);
        }

        @media (max-width: 768px) {
            .how-section {
                padding: 50px 0;
            }
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .step-card {
            text-align: center;
            padding: 32px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            position: relative;
        }

        .step-card:hover {
            border-color: var(--border-active);
            transform: translateY(-4px);
        }

        .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.3rem;
            margin: 0 auto 16px;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }

        .step-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

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

        /* FAQ */
        .faq-section {
            padding: 80px 0;
            background: var(--bg-secondary);
        }

        @media (max-width: 768px) {
            .faq-section {
                padding: 50px 0;
            }
        }

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

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 22px;
            background: none;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            text-align: left;
            gap: 16px;
        }

        .faq-question i {
            font-size: 1.1rem;
            transition: transform var(--transition-fast);
            color: var(--accent-cyan);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px 22px;
        }

        /* CTA Section */
        .cta-section {
            padding: 70px 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(0, 82, 255, 0.2), transparent 70%),
                        var(--bg-primary);
            text-align: center;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 50px 0;
            }
        }

        .cta-box {
            max-width: 650px;
            margin: 0 auto;
            padding: 50px 30px;
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-active);
            box-shadow: var(--shadow-glow);
        }

        .cta-title {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2rem;
            margin-bottom: 14px;
            color: var(--text-primary);
        }

        @media (max-width: 768px) {
            .cta-title {
                font-size: 1.5rem;
            }
        }

        .cta-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.6;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.05rem;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            box-shadow: 0 6px 30px rgba(0, 240, 255, 0.4);
            transition: all var(--transition-fast);
        }

        .btn-cta-large:hover {
            box-shadow: 0 10px 40px rgba(0, 240, 255, 0.6);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }

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

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

        .footer-col h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
            color: var(--text-primary);
        }

        .footer-col p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.83rem;
            color: var(--text-muted);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 80px;
            z-index: 600;
            width: 52px;
            height: 52px;
            border-radius: 30px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(16px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.45);
            cursor: pointer;
            transition: all var(--transition-smooth);
            opacity: 0.65;
            animation: fab-glow 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.7);
        }

        @keyframes fab-glow {
            0%, 100% { box-shadow: 0 0 18px rgba(0, 240, 255, 0.45); }
            50% { box-shadow: 0 0 28px rgba(0, 240, 255, 0.7); }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: #15192B;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-gold: #FFB800;
            --accent-pink: #FF007F;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #6B7394;
            --border-subtle: rgba(0, 240, 255, 0.12);
            --border-active: rgba(0, 240, 255, 0.45);
            --shadow-glow: 0 0 25px rgba(0, 82, 255, 0.25);
            --shadow-cyan: 0 0 20px rgba(0, 240, 255, 0.2);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-heading: 'Be Vietnam Pro', sans-serif;
            --font-body: 'Inter', sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        @import url('/assets/css/vendor/9723b7396f-css2.css');
        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            overflow-x: hidden;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: var(--font-body);
        }
        .container {
            max-width: 1260px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }
        }

        /* Navigation */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .nav-header.scrolled {
            background: rgba(8, 9, 15, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: 24px;
        }
        .logo-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: opacity var(--transition-fast);
        }
        .logo-brand:hover {
            opacity: 0.85;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            font-weight: 900;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            font-family: var(--font-body);
            font-weight: 500;
            font-size: 0.925rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-cyan);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-nav-login {
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: 30px;
            background: transparent;
            border: 1px solid var(--border-active);
            color: var(--accent-cyan);
            transition: all var(--transition-fast);
        }
        .btn-nav-login:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
        }
        .btn-nav-signup {
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--accent-blue), #003DCC);
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.4);
        }
        .btn-nav-signup:hover {
            box-shadow: 0 6px 25px rgba(0, 82, 255, 0.6);
            transform: translateY(-1px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 8px;
        }
        @media (max-width: 1024px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(30px);
                flex-direction: column;
                padding: 24px;
                gap: 20px;
                border-bottom: 1px solid var(--border-subtle);
                transform: translateY(-120%);
                transition: transform var(--transition-smooth);
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .hamburger {
                display: block;
            }
            .nav-actions {
                gap: 8px;
            }
            .btn-nav-login,
            .btn-nav-signup {
                font-size: 0.8rem;
                padding: 8px 16px;
            }
            .logo-brand {
                font-size: 1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }
        }

        /* Hero — Flash Sale Countdown Style */
        .hero-section {
            min-height: 70vh;
            display: flex;
            align-items: center;
            padding-top: 120px;
            padding-bottom: 80px;
            position: relative;
            overflow: hidden;
            background: radial-gradient(ellipse at 20% 60%, rgba(0, 240, 255, 0.07), transparent 55%),
                        radial-gradient(ellipse at 80% 20%, rgba(0, 82, 255, 0.1), transparent 50%),
                        var(--bg-primary);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .flash-countdown-bar {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 0, 127, 0.15);
            border: 1px solid rgba(255, 0, 127, 0.4);
            border-radius: 50px;
            padding: 8px 20px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--accent-pink);
            margin-bottom: 24px;
            letter-spacing: 0.02em;
        }
        .countdown-timer {
            background: var(--accent-pink);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.05em;
        }
        .hero-title {
            font-family: var(--font-heading);
            font-weight: 900;
            font-size: 3.2rem;
            line-height: 1.15;
            letter-spacing: -0.04em;
            margin-bottom: 20px;
        }
        .hero-title span {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-text {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 480px;
        }
        .hero-product-card {
            background: var(--bg-card);
            border: 1px solid var(--border-active);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-cyan);
            position: relative;
            overflow: hidden;
        }
        .hero-product-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .badge-hot {
            display: inline-block;
            background: linear-gradient(135deg, #FF007F, #CC0066);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 800;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .product-stats {
            display: flex;
            gap: 20px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .product-stat {
            text-align: center;
        }
        .product-stat-value {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-cyan);
        }
        .product-stat-label {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-title {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .product-stats {
                gap: 12px;
            }
        }

        /* Buttons */
        .btn-primary-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-body);
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 34px;
            border-radius: 50px;
            background: linear-gradient(135deg, #0052FF, #003DCC);
            color: #fff;
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.45);
            transition: all var(--transition-fast);
            border: none;
        }
        .btn-primary-glow:hover {
            box-shadow: 0 8px 35px rgba(0, 82, 255, 0.7);
            transform: translateY(-2px);
        }

        /* Section Spacing */
        section {
            padding: 80px 0;
            position: relative;
        }
        .section-label {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 12px;
            display: inline-block;
        }
        .section-title {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.2rem;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 650px;
            line-height: 1.6;
            margin-bottom: 48px;
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 1.6rem;
            }
            section {
                padding: 50px 0;
            }
        }

        /* Game Review Cards Grid */
        .game-review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .game-review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
            position: relative;
        }
        .game-review-card:hover {
            border-color: var(--border-active);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.12);
        }
        .game-icon {
            width: 56px;
            height: 56px;
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 16px;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .game-rating {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 8px 0 12px;
        }
        .game-rating i {
            color: var(--accent-gold);
            font-size: 0.75rem;
        }
        .game-name {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .game-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 14px;
        }
        .provider-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            margin-bottom: 10px;
        }
        .win-rate-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .win-rate-fill {
            flex: 1;
            height: 6px;
            background: var(--bg-secondary);
            border-radius: 3px;
            overflow: hidden;
        }
        .win-rate-fill div {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
            border-radius: 3px;
        }
        @media (max-width: 1024px) {
            .game-review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .game-review-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Comparison Table */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
        }
        .comparison-table {
            width: 100%;
            min-width: 700px;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .comparison-table th {
            background: rgba(0, 240, 255, 0.05);
            padding: 16px 18px;
            text-align: left;
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--accent-cyan);
            border-bottom: 1px solid var(--border-subtle);
        }
        .comparison-table td {
            padding: 14px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
            color: var(--text-secondary);
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.15), rgba(0, 240, 255, 0.1));
            border: 1px solid var(--border-active);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
        }
        .cta-banner h3 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.8rem;
            margin-bottom: 12px;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--border-subtle);
            padding: 24px 0;
        }
        .faq-question {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 8px;
        }
        .faq-answer {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .footer-col p,
        .footer-col a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: block;
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 24px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAB Left — Cyber Pill Style */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50px;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-smooth);
            cursor: pointer;
            animation: fab-float 3s infinite ease-in-out;
            opacity: 0.65;
        }
        .fab-left::before {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 50px;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            z-index: -1;
            opacity: 0.7;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.7);
        }
        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 12px;
            height: 12px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: blink 1.5s infinite;
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        @media (max-width: 520px) {
            .fab-left {
                left: 12px;
                bottom: 80px;
                width: 46px;
                height: 46px;
            }
        }

/* roulang page: category4 */
@import url('/assets/css/vendor/9723b7396f-css2.css');

        :root {
            --bg-primary: #0A0F1E;
            --bg-secondary: #12182B;
            --bg-card: #1A1F3A;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-gold: #FFB800;
            --text-primary: #FFFFFF;
            --text-secondary: #A8B2D1;
            --text-muted: #6B7394;
            --border-subtle: rgba(0,240,255,0.15);
            --border-active: rgba(0,240,255,0.4);
            --shadow-glow: 0 0 25px rgba(0, 82, 255, 0.3);
            --shadow-cyan: 0 0 20px rgba(0, 240, 255, 0.25);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --font-heading: 'Be Vietnam Pro', sans-serif;
            --font-body: 'Inter', sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            overflow-x: hidden;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        .container {
            max-width: 1260px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Navigation */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 15, 30, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }

        .nav-header.scrolled {
            background: rgba(10, 15, 30, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: 24px;
        }

        .logo-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: opacity var(--transition-fast);
        }

        .logo-brand:hover {
            opacity: 0.85;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            font-weight: 900;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            font-family: var(--font-body);
            font-weight: 500;
            font-size: 0.925rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-nav-login {
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: 30px;
            background: transparent;
            border: 1px solid var(--border-active);
            color: var(--accent-cyan);
            transition: all var(--transition-fast);
        }

        .btn-nav-login:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
        }

        .btn-nav-signup {
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--accent-blue), #003DCC);
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.4);
        }

        .btn-nav-signup:hover {
            box-shadow: 0 6px 25px rgba(0, 82, 255, 0.6);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 8px;
        }

        /* Hero Section */
        .hero-section {
            min-height: 520px;
            display: flex;
            align-items: center;
            padding-top: 100px;
            padding-bottom: 50px;
            position: relative;
            overflow: hidden;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 82, 255, 0.15), transparent 60%),
                        radial-gradient(ellipse at 70% 30%, rgba(0, 240, 255, 0.1), transparent 55%),
                        var(--bg-primary);
        }

        .hero-bg-pattern {
            position: absolute;
            inset: 0;
            background-image: 
                linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content h1 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
            line-height: 1.7;
        }

        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-cyan);
            border: 1px solid var(--border-subtle);
        }

        .hero-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .badge-item {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            padding: 10px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-cyan);
        }

        .badge-item i {
            font-size: 1rem;
        }

        /* Feature Sections */
        .section-block {
            padding: 80px 0;
        }

        .section-label {
            font-family: var(--font-heading);
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.15em;
            color: var(--accent-cyan);
            margin-bottom: 12px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.2rem;
            line-height: 1.25;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin-bottom: 50px;
            line-height: 1.7;
        }

        /* Security Cards */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }

        .security-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 35px 28px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .security-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-smooth);
        }

        .security-card:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-cyan);
            transform: translateY(-4px);
        }

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

        .security-icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.2), rgba(0, 240, 255, 0.2));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-cyan);
            margin-bottom: 20px;
        }

        .security-card h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

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

        /* Payment Methods */
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .payment-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 30px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .payment-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-cyan);
            transform: translateY(-2px);
        }

        .payment-card i {
            font-size: 2.5rem;
            margin-bottom: 16px;
            color: var(--accent-cyan);
        }

        .payment-card h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .payment-card span {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Process Steps */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
            position: relative;
        }

        .process-step {
            text-align: left;
            position: relative;
            padding: 25px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
        }

        .process-step:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-cyan);
            transform: translateY(-2px);
        }

        .step-number {
            font-family: var(--font-heading);
            font-weight: 900;
            font-size: 2.5rem;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 10px;
        }

        .process-step h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

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

        /* Stats Bar */
        .stats-bar {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 40px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin: 50px 0;
        }

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

        .stat-number {
            font-family: var(--font-heading);
            font-weight: 900;
            font-size: 2.5rem;
            color: var(--accent-cyan);
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
        }

        /* Comparison Table */
        .compare-table-wrap {
            overflow-x: auto;
            margin-top: 30px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .compare-table th {
            background: var(--bg-card);
            padding: 16px 20px;
            text-align: left;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--accent-cyan);
            border-bottom: 1px solid var(--border-subtle);
        }

        .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 0.95rem;
            color: var(--text-secondary);
        }

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .compare-table tr:hover td {
            background: rgba(0, 240, 255, 0.05);
        }

        .check-icon {
            color: #00E676;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 30px;
        }

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

        .faq-item.active {
            border-color: var(--border-active);
            box-shadow: var(--shadow-cyan);
        }

        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }

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

        .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--accent-cyan);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: radial-gradient(ellipse at center, rgba(0, 82, 255, 0.15), transparent 70%),
                        var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 60px 40px;
            text-align: center;
            margin: 60px 0;
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2rem;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta {
            display: inline-block;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            padding: 16px 40px;
            border-radius: 40px;
            background: linear-gradient(135deg, var(--accent-blue), #003DCC);
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.5);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .btn-cta:hover {
            box-shadow: 0 8px 30px rgba(0, 82, 255, 0.7);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
            margin-top: 60px;
        }

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

        .footer-col h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .footer-col p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }

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

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

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1000;
            width: 52px;
            height: 52px;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(12px);
            border-radius: 30px;
            border: 1.5px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-cyan);
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.45);
            opacity: 0.7;
        }

        .fab::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 32px;
            padding: 2px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.08);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.7);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .hero-content h1 {
                font-size: 2.2rem;
            }
            
            .payment-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .process-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            
            .stats-bar {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
                padding: 30px 20px;
            }
            
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(10, 15, 30, 0.98);
                backdrop-filter: blur(30px);
                flex-direction: column;
                padding: 24px;
                gap: 20px;
                border-bottom: 1px solid var(--border-subtle);
                transform: translateY(-120%);
                transition: transform var(--transition-smooth);
                z-index: 999;
            }

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

            .hamburger {
                display: block;
            }

            .nav-actions {
                gap: 8px;
            }

            .btn-nav-login,
            .btn-nav-signup {
                font-size: 0.8rem;
                padding: 8px 16px;
            }

            .logo-brand {
                font-size: 1rem;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }

            .hero-section {
                min-height: auto;
                padding-top: 90px;
                padding-bottom: 40px;
            }

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

            .hero-content p {
                font-size: 1rem;
            }

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

            .payment-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .payment-card {
                padding: 20px 16px;
            }

            .process-flow {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .stats-bar {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 25px 20px;
            }

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

            .compare-table-wrap {
                font-size: 0.85rem;
            }

            .compare-table th,
            .compare-table td {
                padding: 12px 14px;
            }

            .cta-section {
                padding: 40px 20px;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

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

            .site-footer {
                padding: 40px 0 20px;
            }

            .btn-cta {
                padding: 14px 30px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }

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

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

            .stats-bar {
                padding: 20px 16px;
            }

            .stat-number {
                font-size: 1.8rem;
            }

            .payment-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .payment-card {
                padding: 16px 12px;
            }

            .payment-card i {
                font-size: 2rem;
            }

            .security-card {
                padding: 24px 20px;
            }

            .process-step {
                padding: 20px 16px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A0F1E;
            --bg-secondary: #12182B;
            --bg-card: #1A1F3A;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-gold: #FFB800;
            --text-primary: #FFFFFF;
            --text-secondary: #A8B2D1;
            --text-muted: #6B7394;
            --border-subtle: rgba(0,240,255,0.15);
            --border-active: rgba(0,240,255,0.4);
            --shadow-glow: 0 0 25px rgba(0, 82, 255, 0.3);
            --shadow-cyan: 0 0 20px rgba(0, 240, 255, 0.25);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --font-heading: 'Be Vietnam Pro', sans-serif;
            --font-body: 'Inter', sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        @import url('/assets/css/vendor/9723b7396f-css2.css');

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            overflow-x: hidden;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        .container {
            max-width: 1260px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Navigation */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 15, 30, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }

        .nav-header.scrolled {
            background: rgba(10, 15, 30, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: 24px;
        }

        .logo-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: opacity var(--transition-fast);
        }

        .logo-brand:hover {
            opacity: 0.85;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            font-weight: 900;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            font-family: var(--font-body);
            font-weight: 500;
            font-size: 0.925rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-nav-login {
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: 30px;
            background: transparent;
            border: 1px solid var(--border-active);
            color: var(--accent-cyan);
            transition: all var(--transition-fast);
        }

        .btn-nav-login:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
        }

        .btn-nav-signup {
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--accent-blue), #003DCC);
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.4);
        }

        .btn-nav-signup:hover {
            box-shadow: 0 6px 25px rgba(0, 82, 255, 0.6);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 8px;
        }

        /* Hero Section */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 90px;
            padding-bottom: 60px;
            position: relative;
            overflow: hidden;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 82, 255, 0.12), transparent 60%),
                        radial-gradient(ellipse at 70% 30%, rgba(0, 240, 255, 0.08), transparent 55%),
                        var(--bg-primary);
        }

        .hero-bg-pattern {
            position: absolute;
            inset: 0;
            background-image: 
                linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-content h1 {
            font-family: var(--font-heading);
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #FFFFFF 0%, #A8B2D1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .hero-content p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 520px;
        }

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

        .btn-primary {
            font-family: var(--font-body);
            font-weight: 700;
            font-size: 1.05rem;
            padding: 14px 36px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--accent-blue), #003DCC);
            color: #fff;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.45);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary:hover {
            box-shadow: 0 8px 35px rgba(0, 82, 255, 0.7);
            transform: translateY(-2px);
        }

        .btn-outline {
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: 30px;
            background: transparent;
            border: 1.5px solid var(--border-active);
            color: var(--accent-cyan);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.08);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }

        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-glow), var(--shadow-cyan);
            border: 1px solid var(--border-subtle);
            transition: transform var(--transition-smooth);
        }

        .hero-visual:hover img {
            transform: scale(1.02);
        }

        .promo-badge {
            position: absolute;
            top: -15px;
            right: -15px;
            background: linear-gradient(135deg, var(--accent-gold), #FF6B00);
            color: #1A1A1A;
            font-weight: 800;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: 30px;
            box-shadow: 0 6px 25px rgba(255, 184, 0, 0.5);
            z-index: 5;
            display: flex;
            align-items: center;
            gap: 6px;
            animation: float 3s ease-in-out infinite;
        }

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

        /* Section Common */
        .section {
            padding: 80px 0;
            position: relative;
        }

        .section-label {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.08em;
            color: var(--accent-cyan);
            text-transform: uppercase;
            margin-bottom: 16px;
            display: inline-block;
        }

        .section-title {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.6rem;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 20px;
        }

        .section-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 40px;
            max-width: 720px;
        }

        /* Promo Cards Grid */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 28px;
            margin-top: 40px;
        }

        .promo-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

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

        .promo-card:hover {
            border-color: var(--border-active);
            transform: translateY(-6px);
            box-shadow: 0 15px 40px rgba(0, 82, 255, 0.2);
        }

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

        .promo-card .promo-icon {
            width: 54px;
            height: 54px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.12), rgba(0, 82, 255, 0.12));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-cyan);
            margin-bottom: 20px;
            border: 1px solid var(--border-subtle);
        }

        .promo-card h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .promo-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 20px;
        }

        .promo-card .promo-value {
            font-family: var(--font-heading);
            font-weight: 900;
            font-size: 2rem;
            background: linear-gradient(135deg, var(--accent-gold), #FF9F00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
        }

        .promo-tag {
            display: inline-block;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.25);
            margin-bottom: 16px;
        }

        .promo-tag.hot {
            background: rgba(255, 184, 0, 0.15);
            color: var(--accent-gold);
            border-color: rgba(255, 184, 0, 0.4);
        }

        /* Steps / How to claim */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 40px;
        }

        .step-item {
            text-align: left;
            position: relative;
        }

        .step-number {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 18px;
            box-shadow: 0 6px 20px rgba(0, 82, 255, 0.4);
        }

        .step-item h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

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

        /* Value Props List */
        .props-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .prop-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 20px;
            background: rgba(18, 24, 43, 0.6);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }

        .prop-item:hover {
            border-color: var(--border-active);
            background: rgba(26, 31, 58, 0.8);
        }

        .prop-icon {
            font-size: 1.3rem;
            color: var(--accent-cyan);
            margin-top: 2px;
            flex-shrink: 0;
        }

        .prop-content h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

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

        /* Giftcode Block */
        .giftcode-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-top: 40px;
        }

        .giftcode-info h3 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2rem;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .giftcode-info p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .giftcode-display {
            background: var(--bg-card);
            border: 2px dashed var(--border-active);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            display: inline-flex;
            align-items: center;
            gap: 16px;
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            letter-spacing: 0.08em;
            transition: all var(--transition-fast);
        }

        .giftcode-display button {
            background: var(--accent-blue);
            color: #fff;
            border: none;
            padding: 8px 18px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .giftcode-display button:hover {
            background: #003DCC;
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.5);
        }

        .giftcode-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-cyan);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 32px;
            max-width: 860px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .faq-item.active {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.12);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
        }

        .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--accent-cyan);
            font-size: 1rem;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            margin-top: 14px;
        }

        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            background: radial-gradient(ellipse at center, rgba(0, 82, 255, 0.18), transparent 70%),
                        var(--bg-secondary);
            text-align: center;
            position: relative;
        }

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

        .cta-section h2 {
            font-family: var(--font-heading);
            font-weight: 900;
            font-size: 2.5rem;
            background: linear-gradient(135deg, #FFFFFF, var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 18px;
        }

        .cta-section p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 32px;
        }

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

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
        }

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

        .footer-col h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: 18px;
        }

        .footer-col p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-subtle);
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* FAB */
        .fab-float {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 999;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(10, 15, 30, 0.7);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            transition: all var(--transition-smooth);
            animation: pulse-glow 2s ease-in-out infinite;
            cursor: pointer;
        }

        .fab-float::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            z-index: -1;
            opacity: 0.7;
        }

        .fab-float:hover {
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.7);
        }

        @keyframes pulse-glow {
            0%, 100% { box-shadow: 0 0 15px rgba(0, 240, 255, 0.4); }
            50% { box-shadow: 0 0 35px rgba(0, 240, 255, 0.7); }
        }

        .notification-dot {
            position: absolute;
            top: 8px;
            right: 8px;
            width: 12px;
            height: 12px;
            background: #FF0040;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: blink-dot 1.2s ease-in-out infinite;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }

            .hero-content h1 {
                font-size: 2.5rem;
            }

            .hero-content p {
                margin-left: auto;
                margin-right: auto;
            }

            .hero-actions {
                justify-content: center;
            }

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

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

            .giftcode-block {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .giftcode-display {
                justify-content: center;
            }

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

            .props-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(10, 15, 30, 0.98);
                backdrop-filter: blur(30px);
                flex-direction: column;
                padding: 24px;
                gap: 20px;
                border-bottom: 1px solid var(--border-subtle);
                transform: translateY(-120%);
                transition: transform var(--transition-smooth);
                z-index: 999;
            }

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

            .hamburger {
                display: block;
            }

            .section-title {
                font-size: 2rem;
            }

            .hero-content h1 {
                font-size: 2rem;
            }

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

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

            .cta-section h2 {
                font-size: 1.8rem;
            }

            .promo-badge {
                top: -10px;
                right: -10px;
                font-size: 0.75rem;
                padding: 6px 14px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }

            .nav-actions {
                gap: 8px;
            }

            .btn-nav-login,
            .btn-nav-signup {
                font-size: 0.8rem;
                padding: 8px 16px;
            }

            .logo-brand {
                font-size: 1rem;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }

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

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

            .hero-content h1 {
                font-size: 1.7rem;
            }

            .section-title {
                font-size: 1.7rem;
            }

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

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