/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: rgba(18, 62, 37, 0.92);
            --bg-deep: #071F13;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-green: #2ECC71;
            --accent-mint: #D1F2EB;
            --text-white: #FFFFFF;
            --text-pale: #D1F2EB;
            --text-muted: #A3C9BB;
            --border-gold: rgba(255, 215, 0, 0.45);
            --shadow-gold: 0 8px 28px rgba(255, 215, 0, 0.16);
            --shadow-card: 0 10px 32px rgba(0, 0, 0, 0.28);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --font-family: 'Be Vietnam Pro', sans-serif;
            --transition-fast: 0.22s ease;
            --transition-medium: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.65;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

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

        /* ============ HEADER ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.96);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.28);
            padding: 0 var(--spacing-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: var(--spacing-sm);
        }

        .logo {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 260px;
        }

        .logo i {
            font-size: 1.35rem;
            color: var(--accent-gold);
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 26px;
            list-style: none;
        }

        .main-nav a {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-pale);
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-fast);
            border-radius: 2px;
        }

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

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

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

        .btn-login {
            background: transparent;
            color: var(--text-pale);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(209, 242, 235, 0.3);
            white-space: nowrap;
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: #1A1A1A;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.32);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #FFE04D, #FFD700);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.42);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.28);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.5rem;
            padding: 4px;
            border-radius: 8px;
        }

        /* ============ HERO (Cinematic Dark) ============ */
        .hero {
            position: relative;
            min-height: 620px;
            background-image: linear-gradient(135deg, rgba(10, 46, 28, 0.92) 0%, rgba(7, 31, 19, 0.97) 55%, rgba(18, 62, 37, 0.88) 100%), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 75% 50%, rgba(255, 215, 0, 0.08) 0%, transparent 55%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: var(--spacing-xl) 0;
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: var(--spacing-lg);
            align-items: center;
        }

        .hero-left {
            max-width: 620px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.14);
            color: var(--accent-gold);
            border: 1px solid rgba(255, 215, 0, 0.35);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
        }

        .hero-badge i {
            animation: pulse-gold 1.8s infinite;
        }

        @keyframes pulse-gold {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.55; transform: scale(1.15); }
        }

        .hero-title {
            font-size: clamp(2rem, 4.4vw, 3.3rem);
            font-weight: 800;
            line-height: 1.18;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.015em;
        }

        .hero-title .highlight {
            color: var(--accent-gold);
            position: relative;
            display: inline-block;
        }

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

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: var(--spacing-md);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-gold), #FFB300);
            color: #1A1A1A;
            font-weight: 700;
            font-size: 0.98rem;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 8px 26px rgba(255, 215, 0, 0.32);
            transition: all var(--transition-fast);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(255, 215, 0, 0.44);
            background: linear-gradient(135deg, #FFE04D, #FFD700);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.28);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.98rem;
            padding: 14px 26px;
            border-radius: var(--radius-md);
            border: 1.5px solid rgba(209, 242, 235, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition-fast);
        }

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

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            margin-top: var(--spacing-sm);
        }

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

        .hero-stat-value {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 500;
        }

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

        .hero-poster {
            width: 100%;
            max-width: 440px;
            border-radius: var(--radius-lg);
            border: 2px solid rgba(255, 215, 0, 0.35);
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.48);
            overflow: hidden;
            position: relative;
            aspect-ratio: 4/5;
            background: url('/assets/images/coverpic/cover-1.png') center/cover no-repeat;
        }

        .hero-poster::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(7, 31, 19, 0.75) 100%);
            pointer-events: none;
        }

        .hero-poster-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            z-index: 3;
            background: var(--accent-red);
            color: #fff;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 6px 14px;
            border-radius: 50px;
            letter-spacing: 0.08em;
            box-shadow: 0 4px 14px rgba(211, 47, 47, 0.42);
        }

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

        .section-dark {
            background: var(--bg-primary);
        }

        .section-deep {
            background: var(--bg-deep);
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
            max-width: 680px;
        }

        .section-tag {
            display: inline-block;
            color: var(--accent-gold);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-white);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 0.98rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 600px;
        }

        /* ============ WEAPON SYSTEM ============ */
        .weapon-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: var(--spacing-sm);
        }

        .weapon-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-medium);
            text-align: left;
        }

        .weapon-item:hover {
            border-color: rgba(255, 215, 0, 0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }

        .weapon-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.3rem;
            margin-bottom: 12px;
        }

        .weapon-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }

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

        /* ============ REWARD PREVIEW ============ */
        .reward-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }

        .reward-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid rgba(255, 215, 0, 0.3);
            box-shadow: var(--shadow-card);
            min-height: 320px;
            background: url('/assets/images/coverpic/cover-3.jpg') center/cover no-repeat;
            position: relative;
        }

        .reward-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.35) 0%, transparent 60%);
        }

        .reward-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .reward-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 16px;
            background: rgba(18, 62, 37, 0.6);
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--accent-gold);
            transition: all var(--transition-fast);
        }

        .reward-item:hover {
            background: rgba(18, 62, 37, 0.85);
            border-left-color: #fff;
        }

        .reward-item i {
            color: var(--accent-gold);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .reward-item h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 2px;
        }

        .reward-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ============ TASK PROGRESS ============ */
        .task-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 215, 0, 0.22);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-card);
        }

        .task-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--spacing-md);
        }

        .task-step {
            text-align: left;
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid rgba(209, 242, 235, 0.12);
        }

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

        .task-step-number {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 4px;
        }

        .task-step h4 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .task-step p {
            font-size: 0.86rem;
            color: var(--text-muted);
        }

        .task-progress-bar {
            width: 100%;
            height: 8px;
            background: rgba(209, 242, 235, 0.12);
            border-radius: 50px;
            margin-top: var(--spacing-md);
            overflow: hidden;
        }

        .task-progress-fill {
            width: 72%;
            height: 100%;
            background: linear-gradient(90deg, var(--accent-gold), #FFC107);
            border-radius: 50px;
            transition: width 1s ease;
        }

        /* ============ CMS LIST ============ */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: var(--spacing-lg);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 18px;
            background: rgba(18, 62, 37, 0.6);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(209, 242, 235, 0.1);
            transition: all var(--transition-fast);
        }

        .news-list-item:hover {
            border-color: rgba(255, 215, 0, 0.4);
            background: rgba(18, 62, 37, 0.85);
            transform: translateX(4px);
        }

        .news-list-item .news-icon {
            color: var(--accent-gold);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

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

        .news-list-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-list-item p {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-sidebar {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 215, 0, 0.2);
            padding: var(--spacing-md);
        }

        .news-sidebar h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .news-sidebar ul {
            list-style: none;
        }

        .news-sidebar ul li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(209, 242, 235, 0.08);
            font-size: 0.88rem;
            color: var(--text-pale);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-sidebar ul li:last-child {
            border-bottom: none;
        }

        .news-sidebar ul li i {
            color: var(--accent-gold);
            font-size: 0.7rem;
        }

        /* ============ TIPS SECTION ============ */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--spacing-sm);
        }

        .tip-card {
            background: var(--bg-card);
            border: 1px solid rgba(209, 242, 235, 0.12);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-fast);
            text-align: left;
        }

        .tip-card:hover {
            border-color: rgba(255, 215, 0, 0.4);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

        .tip-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }

        .tip-card p {
            font-size: 0.86rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ============ CHANGELOG ============ */
        .changelog-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(209, 242, 235, 0.1);
        }

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

        .changelog-version {
            flex-shrink: 0;
            background: rgba(255, 215, 0, 0.12);
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.78rem;
            padding: 4px 12px;
            border-radius: 50px;
            height: fit-content;
            letter-spacing: 0.04em;
        }

        .changelog-item h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .changelog-item p {
            font-size: 0.86rem;
            color: var(--text-muted);
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(209, 242, 235, 0.12);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.3);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            color: var(--text-white);
            font-size: 0.98rem;
            font-weight: 700;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            text-align: left;
            gap: 12px;
        }

        .faq-question i {
            color: var(--accent-gold);
            font-size: 1rem;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px 20px;
        }

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

        /* ============ CTA BAND ============ */
        .cta-band {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-deep) 100%);
            border-radius: var(--radius-lg);
            border: 1.5px solid rgba(255, 215, 0, 0.35);
            padding: var(--spacing-lg);
            text-align: center;
            box-shadow: var(--shadow-gold);
        }

        .cta-band h2 {
            font-size: clamp(1.5rem, 2.8vw, 2rem);
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 10px;
        }

        .cta-band p {
            font-size: 0.98rem;
            color: var(--text-pale);
            max-width: 520px;
            margin: 0 auto var(--spacing-md);
            line-height: 1.7;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 215, 0, 0.18);
            padding: var(--spacing-xl) 0 var(--spacing-sm);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand h3 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
        }

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

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

        .footer-col ul li a {
            font-size: 0.86rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

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

        .footer-badge {
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: var(--accent-gold);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 6px 12px;
            border-radius: 50px;
            letter-spacing: 0.04em;
        }

        .footer-bottom {
            border-top: 1px solid rgba(209, 242, 235, 0.1);
            padding-top: var(--spacing-sm);
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

        /* ============ FAB ============ */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 900;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, #3A2A1A, #1A1A1A);
            border: 3px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.5rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.72;
            animation: fab-float 3s infinite ease-in-out;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.48);
        }

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

        .fab .fab-notif {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--bg-deep);
            animation: fab-blink 1.6s infinite;
        }

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

        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .hero-right {
                order: -1;
            }

            .hero-poster {
                max-width: 360px;
            }

            .news-layout {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: var(--spacing-sm);
                gap: 6px;
                border-bottom: 1px solid rgba(255, 215, 0, 0.25);
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
            }

            .main-nav.mobile-open {
                display: flex;
            }

            .main-nav a {
                padding: 12px 8px;
                font-size: 0.95rem;
                width: 100%;
            }

            .main-nav a::after {
                display: none;
            }

            .mobile-toggle {
                display: block;
            }

            .header-actions {
                gap: 6px;
            }

            .btn-login {
                padding: 6px 12px;
                font-size: 0.8rem;
            }

            .btn-signup {
                padding: 7px 14px;
                font-size: 0.8rem;
            }

            .logo {
                font-size: 0.85rem;
                max-width: 150px;
            }

            .hero {
                min-height: auto;
                padding: var(--spacing-md) 0;
            }

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

            .hero-title {
                font-size: 1.9rem;
            }

            .hero-subtitle {
                font-size: 0.92rem;
            }

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

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

            .hero-stats {
                gap: var(--spacing-sm);
            }

            .hero-stat-value {
                font-size: 1.35rem;
            }

            .reward-layout {
                grid-template-columns: 1fr;
            }

            .reward-visual {
                min-height: 220px;
            }

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

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

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

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }

            .hero-poster {
                max-width: 280px;
                aspect-ratio: 4/4.5;
            }

            .weapon-grid,
            .tips-grid,
            .task-grid {
                grid-template-columns: 1fr;
            }

            .news-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .news-list-item h4 {
                white-space: normal;
            }

            .news-list-item p {
                white-space: normal;
            }

            .cta-band {
                padding: var(--spacing-md);
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0B1A30;
            --bg-secondary: #0F0C20;
            --bg-card: rgba(255, 255, 255, 0.04);
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --text-muted: #6B7280;
            --border-neon: rgba(0, 240, 255, 0.35);
            --border-lime: rgba(204, 255, 0, 0.35);
            --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.15);
            --shadow-lime: 0 0 25px rgba(204, 255, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
            --font-base: 16px;
            --line-height: 1.65;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1180px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            font-size: var(--font-base);
            line-height: var(--line-height);
            color: var(--text-white);
            background: linear-gradient(160deg, var(--bg-secondary) 0%, var(--bg-primary) 55%, #0B1A30 100%);
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background-image: radial-gradient(circle at 20% 30%, rgba(0, 240, 255, 0.06) 0%, transparent 50%),
                              radial-gradient(circle at 80% 70%, rgba(204, 255, 0, 0.05) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

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

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

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

        ul, ol {
            list-style: none;
        }

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

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(11, 26, 48, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.18);
            padding: 14px 0;
            transition: background var(--transition);
        }

        .site-header.scrolled {
            background: rgba(11, 26, 48, 0.96);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #0B1A30;
            box-shadow: var(--shadow-neon);
        }

        .logo-text {
            font-size: 15px;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            max-width: 200px;
            color: var(--text-white);
        }

        .logo-text span {
            display: block;
            font-size: 11px;
            font-weight: 500;
            color: var(--accent-cyan);
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .main-nav li a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-silver);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .main-nav li a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav li a.active {
            color: #0B1A30;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            box-shadow: var(--shadow-neon);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 9px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-white);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
        }

        .btn-signup {
            padding: 10px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 700;
            color: #0B1A30;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            box-shadow: var(--shadow-lime);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 35px rgba(204, 255, 0, 0.3);
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-white);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        /* Article Hero */
        .article-hero {
            padding: 140px 0 40px;
            position: relative;
        }

        .article-hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 420px;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            pointer-events: none;
        }

        .article-hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 26, 48, 0.75) 0%, rgba(11, 26, 48, 0.95) 100%);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--accent-cyan);
            transition: color var(--transition);
        }

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

        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }

        .article-hero h1 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-sm);
            max-width: 850px;
            background: linear-gradient(135deg, #FFFFFF 0%, #D1F2EB 50%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--text-silver);
            margin-top: var(--spacing-sm);
        }

        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
        }

        .article-meta .meta-item i {
            color: var(--accent-cyan);
            font-size: 13px;
        }

        /* Article Body Layout */
        .article-body-section {
            padding: var(--spacing-lg) 0 var(--spacing-xl);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: var(--spacing-xl);
            align-items: start;
        }

        .article-content {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            min-height: 400px;
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            margin: var(--spacing-lg) 0 var(--spacing-sm);
            color: var(--text-white);
            letter-spacing: -0.01em;
            line-height: 1.35;
        }

        .article-content h2:first-child {
            margin-top: 0;
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin: var(--spacing-md) 0 var(--spacing-xs);
            color: var(--text-white);
            line-height: 1.4;
        }

        .article-content p {
            font-size: 16px;
            color: #C5D0D8;
            line-height: 1.75;
            margin-bottom: var(--spacing-sm);
        }

        .article-content ul, .article-content ol {
            margin: var(--spacing-sm) 0 var(--spacing-md);
            padding-left: 24px;
        }

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

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

        .article-content li {
            font-size: 16px;
            color: #C5D0D8;
            line-height: 1.75;
            margin-bottom: 8px;
        }

        .article-content blockquote {
            margin: var(--spacing-md) 0;
            padding: var(--spacing-md) var(--spacing-lg);
            background: rgba(0, 240, 255, 0.06);
            border-left: 4px solid var(--accent-cyan);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-size: 18px;
            font-weight: 600;
            color: var(--text-white);
            font-style: italic;
            line-height: 1.6;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: var(--spacing-md) 0;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }

        .article-content a {
            color: var(--accent-cyan);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

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

        .article-not-found {
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-md);
        }

        .article-not-found i {
            font-size: 56px;
            color: var(--accent-cyan);
            margin-bottom: var(--spacing-md);
            opacity: 0.6;
        }

        .article-not-found h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
        }

        .article-not-found p {
            color: var(--text-silver);
            margin-bottom: var(--spacing-md);
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 700;
            color: #0B1A30;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            box-shadow: var(--shadow-neon);
            transition: all var(--transition);
        }

        .btn-back-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.35);
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .sidebar-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
        }

        .sidebar-card h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h4 i {
            color: var(--accent-cyan);
            font-size: 14px;
        }

        .sidebar-card ul li {
            margin-bottom: 10px;
        }

        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-silver);
            transition: color var(--transition);
            line-height: 1.5;
        }

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

        .sidebar-card ul li a i {
            font-size: 10px;
            color: var(--accent-lime);
            flex-shrink: 0;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.12), rgba(204, 255, 0, 0.08));
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            text-align: left;
        }

        .sidebar-cta h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .sidebar-cta p {
            font-size: 13px;
            color: var(--text-silver);
            margin-bottom: var(--spacing-sm);
            line-height: 1.55;
        }

        .btn-download-side {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 700;
            color: #0B1A30;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            transition: all var(--transition);
            box-shadow: var(--shadow-neon);
        }

        .btn-download-side:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.35);
        }

        /* CTA Section */
        .cta-section {
            padding: var(--spacing-xl) 0;
            position: relative;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.1) 0%, rgba(204, 255, 0, 0.06) 100%);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            box-shadow: var(--shadow-neon);
        }

        .cta-box h2 {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 8px;
            max-width: 550px;
        }

        .cta-box p {
            font-size: 15px;
            color: var(--text-silver);
            max-width: 500px;
            line-height: 1.6;
        }

        .btn-download-main {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 32px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 800;
            color: #0B1A30;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            box-shadow: 0 0 40px rgba(204, 255, 0, 0.25);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-download-main:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 55px rgba(0, 240, 255, 0.4);
        }

        /* Footer */
        .site-footer {
            background: rgba(11, 26, 48, 0.85);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            position: relative;
            z-index: 1;
        }

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

        .footer-brand h3 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            color: var(--text-white);
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-silver);
            line-height: 1.7;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--text-white);
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }

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

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-silver);
            transition: color var(--transition);
        }

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

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

        .footer-badge {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.25);
            white-space: nowrap;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: var(--spacing-md);
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-bottom a {
            color: var(--text-silver);
            transition: color var(--transition);
        }

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

        /* FAB - Cyber Neon Style */
        .fab-cyber {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(11, 26, 48, 0.75);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(11, 26, 48, 0.75), rgba(11, 26, 48, 0.75)), linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 20px;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4);
            transition: all var(--transition);
            cursor: pointer;
            opacity: 0.75;
            animation: fabPulse 2.8s ease-in-out infinite;
        }

        .fab-cyber:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.65);
        }

        .fab-cyber:active {
            transform: scale(0.92);
            border-color: #FF007F;
            color: #FF007F;
        }

        @keyframes fabPulse {
            0%, 100% {
                box-shadow: 0 0 15px rgba(0, 240, 255, 0.35);
            }
            50% {
                box-shadow: 0 0 28px rgba(204, 255, 0, 0.55);
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .sidebar-card, .sidebar-cta {
                flex: 1 1 260px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(11, 26, 48, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: var(--spacing-md);
                border-bottom: 1px solid rgba(0, 240, 255, 0.2);
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav li a {
                width: 100%;
                justify-content: center;
                padding: 12px 16px;
            }
            .nav-actions {
                gap: 6px;
            }
            .btn-login, .btn-signup {
                padding: 8px 14px;
                font-size: 13px;
            }
            .article-hero {
                padding: 120px 0 30px;
            }
            .article-hero h1 {
                font-size: 26px;
            }
            .article-content {
                padding: var(--spacing-md);
            }
            .article-content h2 {
                font-size: 22px;
            }
            .article-content p, .article-content li {
                font-size: 15px;
            }
            .cta-box {
                flex-direction: column;
                text-align: left;
                align-items: flex-start;
                padding: var(--spacing-md);
            }
            .cta-box h2 {
                font-size: 22px;
            }
            .btn-download-main {
                width: 100%;
                justify-content: center;
            }
            .fab-cyber {
                left: 12px;
                bottom: 80px;
                width: 46px;
                height: 46px;
                font-size: 18px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                gap: 8px;
            }
            .logo-text {
                font-size: 13px;
                max-width: 140px;
            }
            .logo-text span {
                font-size: 9px;
            }
            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }
            .btn-login {
                padding: 6px 10px;
                font-size: 12px;
            }
            .btn-signup {
                padding: 7px 12px;
                font-size: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .article-hero h1 {
                font-size: 22px;
            }
            .article-meta .meta-item {
                font-size: 11px;
                padding: 5px 10px;
            }
            .article-content {
                padding: var(--spacing-sm);
                border-radius: var(--radius-md);
            }
            .article-sidebar {
                flex-direction: column;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #0F0C20;
            --bg-ocean: #0B1A30;
            --bg-card: #151233;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-glow: rgba(0, 240, 255, 0.4);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 50px;
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'Roboto', 'Helvetica Neue', sans-serif;
            --transition: all .25s ease;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: var(--font-sans);
            background: radial-gradient(circle at 20% 10%, #0F0C20 0%, #0B1A30 80%);
            color: var(--text-white);
            line-height: 1.65;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: var(--accent-cyan); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-lime); text-shadow: 0 0 8px rgba(204,255,0,0.4); }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

        /* Header & Nav */
        .site-header {
            background: rgba(15, 12, 32, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 14px 0;
        }
        .brand-logo {
            font-weight: 800;
            font-size: 1.6rem;
            letter-spacing: -0.5px;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .brand-logo i { color: var(--accent-lime); font-size: 1.8rem; }
        .brand-logo span { color: var(--accent-cyan); }
        .main-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 18px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-silver);
            padding: 8px 4px;
            border-bottom: 2px solid transparent;
            white-space: nowrap;
        }
        .main-nav a:hover, .main-nav a.active {
            color: var(--accent-cyan);
            border-bottom-color: var(--accent-lime);
        }
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-outline-light {
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-outline-light:hover { background: rgba(0,240,255,0.15); color: #fff; }
        .btn-solid {
            background: var(--accent-lime);
            color: #0B1A30;
            border: none;
            padding: 9px 22px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            transition: var(--transition);
            box-shadow: 0 0 12px rgba(204,255,0,0.3);
        }
        .btn-solid:hover { background: #e0ff66; box-shadow: 0 0 20px rgba(204,255,0,0.6); transform: translateY(-1px); color: #0B1A30; }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            font-size: 1.6rem;
            border-radius: 8px;
            padding: 4px 12px;
        }

        /* Hero */
        .hero-category {
            padding: 70px 0 50px;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 20px;
            color: #fff;
        }
        .hero-content h1 span { color: var(--accent-lime); text-shadow: 0 0 10px rgba(204,255,0,0.5); }
        .hero-content p {
            font-size: 1.2rem;
            color: var(--text-silver);
            max-width: 580px;
            margin-bottom: 28px;
        }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
        .btn-cyan {
            background: var(--accent-cyan);
            color: #0B1A30;
            border: none;
            padding: 14px 30px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
            box-shadow: var(--shadow-neon);
        }
        .btn-cyan:hover { background: #66f5ff; box-shadow: 0 0 25px rgba(0,240,255,0.8); color: #0B1A30; }
        .btn-ghost {
            background: transparent;
            border: 1px solid var(--accent-lime);
            color: var(--accent-lime);
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-ghost:hover { background: rgba(204,255,0,0.12); }
        .hero-panel {
            background: rgba(21, 18, 51, 0.7);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.5);
            backdrop-filter: blur(8px);
        }
        .hero-panel h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--accent-cyan);
        }
        .rank-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            font-size: 1rem;
        }
        .rank-item:last-child { border-bottom: none; }
        .rank-name { display: flex; align-items: center; gap: 10px; }
        .rank-name i { color: var(--accent-lime); }
        .rank-score { font-weight: 700; color: #fff; }
        .tag-new {
            background: var(--accent-pink);
            color: #fff;
            font-size: 0.7rem;
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        /* Sections */
        .section-block { padding: 60px 0; }
        .section-heading {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-sub {
            color: var(--text-silver);
            font-size: 1.1rem;
            margin-bottom: 36px;
            max-width: 680px;
        }
        .divider {
            height: 3px;
            width: 80px;
            background: var(--accent-lime);
            border-radius: 4px;
            margin-bottom: 24px;
            box-shadow: 0 0 12px rgba(204,255,0,0.5);
        }
        .weapon-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .weapon-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid rgba(0,240,255,0.2);
            transition: var(--transition);
            box-shadow: 0 8px 20px rgba(0,0,0,0.3);
        }
        .weapon-card:hover {
            transform: translateY(-6px);
            border-color: var(--accent-lime);
            box-shadow: 0 0 25px rgba(204,255,0,0.2);
        }
        .weapon-icon {
            font-size: 2.6rem;
            color: var(--accent-cyan);
            margin-bottom: 16px;
        }
        .weapon-card h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
        .weapon-card p { color: var(--text-silver); font-size: 0.98rem; }
        .stat-badge {
            display: inline-block;
            background: rgba(0,240,255,0.12);
            color: var(--accent-cyan);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 12px;
        }
        .tactic-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            list-style: none;
            padding: 0;
        }
        .tactic-list li {
            background: rgba(21,18,51,0.6);
            border-left: 4px solid var(--accent-lime);
            padding: 20px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            transition: var(--transition);
        }
        .tactic-list li:hover { background: rgba(0,240,255,0.08); }
        .tactic-list strong { color: var(--accent-cyan); display: block; margin-bottom: 6px; font-size: 1.1rem; }
        .tactic-list p { color: var(--text-silver); margin: 0; }

        .media-banner {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 280px;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            padding: 32px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.5);
        }
        .media-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(11,26,48,0.9) 0%, rgba(11,26,48,0.2) 70%);
            z-index: 1;
        }
        .media-banner .banner-text {
            position: relative;
            z-index: 2;
        }
        .media-banner h3 { font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 8px; }
        .media-banner p { color: #cbd5e1; max-width: 500px; }

        .faq-list .accordion-item {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-list .accordion-button {
            background: rgba(21,18,51,0.8);
            color: #fff;
            font-weight: 600;
            padding: 18px 24px;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
        }
        .faq-list .accordion-button:not(.collapsed) {
            background: rgba(0,240,255,0.12);
            color: var(--accent-lime);
            box-shadow: none;
        }
        .faq-list .accordion-body {
            background: rgba(15,12,32,0.7);
            color: var(--text-silver);
            padding: 18px 24px;
        }

        .cta-band {
            background: linear-gradient(135deg, rgba(0,240,255,0.15) 0%, rgba(204,255,0,0.1) 100%);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            text-align: center;
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }
        .cta-band h2 { font-size: 2.4rem; font-weight: 800; margin-bottom: 12px; }
        .cta-band p { color: var(--text-silver); max-width: 620px; margin: 0 auto 24px; }

        /* Footer */
        .site-footer {
            background: rgba(8, 10, 20, 0.95);
            border-top: 1px solid rgba(0,240,255,0.15);
            padding: 50px 0 30px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 { font-size: 1.6rem; font-weight: 800; color: #fff; margin-bottom: 12px; }
        .footer-brand p { color: var(--text-silver); font-size: 0.95rem; }
        .footer-col h4 { color: var(--accent-cyan); font-size: 1.1rem; margin-bottom: 16px; font-weight: 700; }
        .footer-col ul { list-style: none; padding: 0; }
        .footer-col li { margin-bottom: 10px; }
        .footer-col a { color: var(--text-silver); }
        .footer-col a:hover { color: var(--accent-lime); }
        .footer-badges { display: flex; flex-wrap: wrap; gap: 10px; }
        .footer-badge {
            background: rgba(0,240,255,0.1);
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 6px 14px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.85rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            text-align: center;
            color: var(--text-silver);
            font-size: 0.9rem;
        }
        .footer-bottom a { color: var(--accent-cyan); }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 1050;
            width: 58px;
            height: 58px;
            border-radius: 30px;
            background: rgba(10,10,20,0.7);
            backdrop-filter: blur(8px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.8rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 18px rgba(0,240,255,0.5);
            opacity: 0.7;
            animation: breathe 3s infinite ease-in-out;
        }
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            border-image: linear-gradient(45deg, var(--accent-cyan), var(--accent-lime)) 1;
            box-shadow: 0 0 30px rgba(0,240,255,0.9);
        }
        @keyframes breathe {
            0%,100% { box-shadow: 0 0 15px rgba(0,240,255,0.4); }
            50% { box-shadow: 0 0 28px rgba(0,240,255,0.8); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-category { grid-template-columns: 1fr; }
            .weapon-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .header-inner { flex-wrap: wrap; }
            .nav-auth { order: 3; width: 100%; justify-content: flex-end; }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                background: rgba(15,12,32,0.98);
                padding: 16px 0;
            }
            .main-nav.open { display: flex; }
            .nav-toggle { display: block; }
            .hero-content h1 { font-size: 2.4rem; }
            .weapon-grid { grid-template-columns: 1fr; }
            .tactic-list { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .cta-band h2 { font-size: 1.8rem; }
            .section-heading { font-size: 1.8rem; }
            .fab-support { width: 50px; height: 50px; font-size: 1.5rem; left: 12px; bottom: 70px; }
        }
        @media (max-width: 520px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .hero-category { padding: 40px 0 30px; }
            .hero-content h1 { font-size: 2rem; }
            .btn-cyan, .btn-ghost { padding: 12px 20px; font-size: 0.95rem; }
            .rank-item { font-size: 0.9rem; }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0F0C20;
            --secondary-bg: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-glow: rgba(0, 240, 255, 0.3);
            --radius-card: 1rem;
            --radius-btn: 50rem;
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-lime: 0 0 15px rgba(204, 255, 0, 0.4);
            --font-main: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(15, 12, 32, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            padding: 0.75rem 0;
            transition: var(--transition);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--accent-cyan);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent-lime);
            font-size: 1.5rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav li a {
            display: block;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-silver);
            transition: var(--transition);
            white-space: nowrap;
        }

        .main-nav li a:hover,
        .main-nav li a:focus-visible {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.08);
        }

        .main-nav li a.active {
            color: var(--primary-bg);
            background: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.4);
            color: var(--text-white);
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition);
            white-space: nowrap;
        }

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

        .btn-signup {
            background: var(--accent-lime);
            color: var(--primary-bg);
            border: none;
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.85rem;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: var(--shadow-lime);
        }

        .btn-signup:hover,
        .btn-signup:focus-visible {
            background: #dfff33;
            box-shadow: 0 0 20px rgba(204, 255, 0, 0.6);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            font-size: 1.25rem;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(0, 240, 255, 0.1);
        }

        /* Hero Section */
        .hero {
            padding: 8rem 0 4rem;
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 1;
        }

        .hero h1 {
            font-size: 2.75rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin-bottom: 1rem;
            max-width: 700px;
        }

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

        .hero-sub {
            font-size: 1.1rem;
            color: var(--text-silver);
            max-width: 600px;
            margin-bottom: 2rem;
        }

        .btn-hero {
            display: inline-block;
            background: var(--accent-lime);
            color: var(--primary-bg);
            padding: 0.9rem 2rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: var(--shadow-lime);
            border: none;
        }

        .btn-hero:hover,
        .btn-hero:focus-visible {
            background: #dfff33;
            box-shadow: 0 0 30px rgba(204, 255, 0, 0.7);
            transform: translateY(-2px);
        }

        .btn-hero-outline {
            display: inline-block;
            background: transparent;
            color: var(--accent-cyan);
            padding: 0.9rem 2rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            border: 1px solid rgba(0, 240, 255, 0.5);
        }

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

        /* Progress Ring */
        .progress-ring-wrap {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            margin-top: 1rem;
            flex-wrap: wrap;
        }

        .progress-ring {
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: conic-gradient(var(--accent-cyan) 0deg 252deg, rgba(255,255,255,0.08) 252deg 360deg);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }

        .progress-ring::before {
            content: '';
            position: absolute;
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: var(--primary-bg);
        }

        .progress-ring span {
            position: relative;
            z-index: 1;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--accent-lime);
        }

        .progress-meta {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }

        .progress-meta .label {
            font-size: 0.8rem;
            color: var(--text-silver);
            text-transform: uppercase;
            letter-spacing: 0.08em;
        }

        .progress-meta .value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
        }

        /* Section Styles */
        .section {
            padding: 4rem 0;
        }

        .section-alt {
            background: var(--secondary-bg);
        }

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

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            margin-bottom: 0.75rem;
        }

        .section-header p {
            color: var(--text-silver);
            font-size: 1.05rem;
            max-width: 600px;
        }

        /* Reward Tier Preview */
        .tier-preview-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-top: 1rem;
        }

        .tier-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .tier-card .tier-tag {
            display: inline-block;
            background: rgba(204, 255, 0, 0.15);
            color: var(--accent-lime);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.75rem;
            border-radius: var(--radius-btn);
            margin-bottom: 0.75rem;
            letter-spacing: 0.04em;
        }

        .tier-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }

        .tier-card .tier-value {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--accent-cyan);
            margin-bottom: 0.75rem;
        }

        .tier-card p {
            color: var(--text-silver);
            font-size: 0.9rem;
            margin: 0;
        }

        /* Event Steps / Timeline */
        .event-steps {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }

        .event-step {
            display: flex;
            align-items: flex-start;
            gap: 1.25rem;
            padding: 1.25rem;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-card);
            border-left: 3px solid var(--accent-cyan);
            transition: var(--transition);
        }

        .event-step:hover {
            background: rgba(0, 240, 255, 0.06);
        }

        .event-step .step-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-lime);
            flex-shrink: 0;
            width: 40px;
            text-align: center;
        }

        .event-step h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.25rem;
        }

        .event-step p {
            color: var(--text-silver);
            font-size: 0.9rem;
            margin: 0;
        }

        /* Event Banner Image */
        .event-banner {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.2);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }

        .event-banner img {
            width: 100%;
            height: 350px;
            object-fit: cover;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            padding: 1.25rem 1.5rem;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: var(--transition);
        }

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

        .faq-question i {
            color: var(--accent-lime);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.5rem;
            color: var(--text-silver);
            font-size: 0.95rem;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 1.25rem;
        }

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

        /* CTA Section */
        .cta-section {
            padding: 5rem 0;
            background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--primary-bg) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 50%;
            height: 150%;
            background: radial-gradient(ellipse, rgba(204, 255, 0, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        .cta-content p {
            color: var(--text-silver);
            font-size: 1.1rem;
            margin-bottom: 2rem;
        }

        /* Footer */
        .site-footer {
            background: #08060F;
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 3rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand h3 {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-cyan);
            margin-bottom: 0.75rem;
        }

        .footer-brand p {
            color: var(--text-silver);
            font-size: 0.9rem;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 1rem;
        }

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

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

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

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

        .footer-badge {
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            color: var(--accent-cyan);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.35rem 0.75rem;
            border-radius: var(--radius-btn);
            white-space: nowrap;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.5rem;
            text-align: center;
        }

        .footer-bottom p {
            color: var(--text-silver);
            font-size: 0.8rem;
            margin: 0;
        }

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

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

        /* FAB */
        .fab-float {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(8px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-image: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan)) 1;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.25rem;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            transition: var(--transition);
            opacity: 0.7;
            animation: fabBreathe 3s ease-in-out infinite;
            cursor: pointer;
        }

        .fab-float:hover {
            opacity: 1;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
            transform: scale(1.1);
            animation-play-state: paused;
        }

        @keyframes fabBreathe {
            0%, 100% { opacity: 0.6; box-shadow: 0 0 10px rgba(0, 240, 255, 0.3); }
            50% { opacity: 0.9; box-shadow: 0 0 25px rgba(0, 240, 255, 0.6); }
        }

        .fab-float .fab-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid var(--primary-bg);
            animation: fabBlink 1.5s ease-in-out infinite;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .tier-preview-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .hero {
                padding: 6.5rem 0 3rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(15, 12, 32, 0.98);
                padding: 1rem;
                border-bottom: 1px solid rgba(0, 240, 255, 0.2);
                gap: 0.5rem;
            }
            .main-nav.open {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                padding: 0.45rem 1rem;
                font-size: 0.8rem;
            }
            .tier-preview-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .section {
                padding: 3rem 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .event-banner img {
                height: 220px;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero-sub {
                font-size: 0.95rem;
            }
            .btn-hero, .btn-hero-outline {
                padding: 0.75rem 1.5rem;
                font-size: 0.9rem;
                display: block;
                width: 100%;
                text-align: center;
                margin-bottom: 0.5rem;
            }
            .progress-ring {
                width: 70px;
                height: 70px;
            }
            .progress-ring::before {
                width: 54px;
                height: 54px;
            }
            .progress-ring span {
                font-size: 1rem;
            }
            .progress-meta .value {
                font-size: 1.2rem;
            }
            .cta-content h2 {
                font-size: 1.6rem;
            }
            .nav-actions {
                gap: 0.3rem;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                padding: 0.4rem 0.75rem;
                font-size: 0.75rem;
            }
            .logo {
                font-size: 1rem;
            }
            .logo i {
                font-size: 1.2rem;
            }
            .fab-float {
                width: 48px;
                height: 48px;
                font-size: 1rem;
                left: 0.75rem;
                bottom: 5rem;
            }
        }