/* roulang page: index */
:root {
            --primary-bg: #0A2E1C;
            --primary-bg-light: #123E25;
            --primary-bg-dark: #062315;
            --accent-gold: #FFD700;
            --accent-gold-light: #FFE44D;
            --accent-red: #D32F2F;
            --accent-red-dark: #B71C1C;
            --text-white: #FFFFFF;
            --text-pale-mint: #D1F2EB;
            --text-muted: #8FBFB0;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-gold-strong: rgba(255, 215, 0, 0.6);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.18);
            --shadow-red: 0 4px 16px rgba(211, 47, 47, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --radius-full: 9999px;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 88px;
            --font-primary: 'Inter', 'Be Vietnam Pro', 'Segoe UI', system-ui, -apple-system, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'Be Vietnam Pro', 'Inter', 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.55s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

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

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

        body {
            font-family: var(--font-primary);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-white);
            background-color: var(--primary-bg);
            background-image: radial-gradient(ellipse at top right, rgba(18, 62, 37, 0.6) 0%, transparent 55%),
                              radial-gradient(ellipse at bottom left, rgba(6, 35, 21, 0.8) 0%, transparent 50%);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            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);
        }

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            cursor: pointer;
        }

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

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

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 46, 28, 0.98);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.05rem;
            line-height: 1.3;
            color: var(--accent-gold);
            letter-spacing: -0.02em;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 260px;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary-bg-dark);
            box-shadow: var(--shadow-gold);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .main-nav a {
            display: block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-pale-mint);
            border-radius: var(--radius-full);
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

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

        .main-nav a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
        }

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

        .btn-login {
            padding: 8px 18px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-pale-mint);
            background: transparent;
            border: 1px solid transparent;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

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

        .btn-signup {
            padding: 9px 20px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--primary-bg-dark);
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            border-radius: var(--radius-full);
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.35);
            color: var(--primary-bg-dark);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: var(--shadow-gold);
        }

        .mobile-toggle {
            display: none;
            width: 42px;
            height: 42px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-gold);
            border-radius: 10px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: background var(--transition-fast);
            cursor: pointer;
            flex-shrink: 0;
        }

        .mobile-toggle:hover {
            background: rgba(255, 215, 0, 0.1);
        }

        .mobile-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .mobile-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .mobile-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            background: rgba(10, 46, 28, 0.98);
            border-bottom: 1px solid var(--border-gold);
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
            flex-direction: column;
            gap: 4px;
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
        }

        .mobile-menu.open {
            max-height: 420px;
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 0.95rem;
            color: var(--text-pale-mint);
            border-radius: 10px;
            transition: all var(--transition-fast);
        }

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

        .mobile-menu-actions {
            display: flex;
            gap: 10px;
            padding-top: 10px;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
        }

        .mobile-menu-actions .btn-login,
        .mobile-menu-actions .btn-signup {
            flex: 1;
            text-align: center;
        }

        /* ============ HERO (Crowdfunding Pre-Launch) ============ */
        .hero {
            padding-top: calc(68px + var(--spacing-xl));
            padding-bottom: var(--spacing-xl);
            background-image: linear-gradient(rgba(10, 46, 28, 0.82), rgba(6, 35, 21, 0.92)),
                              url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--primary-bg), transparent);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: var(--spacing-xl);
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-content {
            padding-right: 0;
        }

        .hero-pre-title {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold-strong);
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: var(--spacing-md);
        }

        .hero-pre-title .dot {
            width: 8px;
            height: 8px;
            background: var(--accent-red);
            border-radius: 50%;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

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

        .hero h1 {
            font-family: var(--font-display);
            font-size: clamp(1.8rem, 3.6vw, 2.75rem);
            font-weight: 800;
            line-height: 1.22;
            letter-spacing: -0.03em;
            color: var(--text-white);
            margin-bottom: var(--spacing-md);
            max-width: 620px;
        }

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

        .hero-desc {
            font-size: 1rem;
            line-height: 1.65;
            color: var(--text-pale-mint);
            max-width: 520px;
            margin-bottom: var(--spacing-lg);
        }

        .hero-ctas {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: var(--spacing-lg);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary-bg-dark);
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            border-radius: var(--radius-full);
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-base);
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(255, 215, 0, 0.4);
            color: var(--primary-bg-dark);
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 26px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--accent-gold);
            background: transparent;
            border: 1.5px solid var(--border-gold-strong);
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
        }

        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
            color: var(--accent-gold-light);
            transform: translateY(-2px);
        }

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

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

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat .number {
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
        }

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

        /* Progress ring panel */
        .hero-progress-panel {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            background: rgba(18, 62, 37, 0.55);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-card);
        }

        .progress-ring-wrapper {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            padding-bottom: var(--spacing-md);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }

        .progress-ring {
            width: 110px;
            height: 110px;
            flex-shrink: 0;
            position: relative;
        }

        .progress-ring svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .progress-ring .bg-circle {
            fill: none;
            stroke: rgba(255, 255, 255, 0.08);
            stroke-width: 10;
        }

        .progress-ring .fg-circle {
            fill: none;
            stroke: var(--accent-gold);
            stroke-width: 10;
            stroke-linecap: round;
            stroke-dasharray: 283;
            stroke-dashoffset: 62.26;
            transition: stroke-dashoffset 1.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        .progress-ring .ring-text .pct {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            font-family: var(--font-display);
            line-height: 1.1;
        }

        .progress-ring .ring-text .pct-label {
            font-size: 0.65rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .progress-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .progress-info p {
            font-size: 0.82rem;
            color: var(--text-pale-mint);
            line-height: 1.5;
        }

        .tier-previews {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
        }

        .tier-card {
            background: rgba(0, 0, 0, 0.25);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm);
            text-align: center;
            transition: all var(--transition-base);
            cursor: default;
        }

        .tier-card:hover {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
            transform: translateY(-3px);
        }

        .tier-card .tier-name {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 4px;
        }

        .tier-card .tier-desc {
            font-size: 0.7rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* ============ GENERIC SECTION STYLES ============ */
        .site-main section {
            padding: var(--spacing-xl) 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.06);
        }

        .site-main section:last-child {
            border-bottom: none;
        }

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

        .section-header h2 {
            font-family: var(--font-display);
            font-size: clamp(1.45rem, 2.5vw, 1.9rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-white);
            line-height: 1.3;
            max-width: 580px;
        }

        .section-header h2 .hl {
            color: var(--accent-gold);
        }

        .section-header .section-desc {
            font-size: 0.92rem;
            color: var(--text-pale-mint);
            line-height: 1.6;
            max-width: 420px;
            margin-top: 4px;
        }

        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--accent-gold);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

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

        /* ============ CATEGORY NAV SECTION ============ */
        .category-nav-section {
            background: var(--primary-bg-light);
            border-radius: var(--radius-xl);
            margin: var(--spacing-lg) auto;
            max-width: var(--max-width);
            padding: var(--spacing-lg) !important;
            border: 1px solid rgba(255, 215, 0, 0.1);
        }

        .category-nav-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }

        .category-nav-card {
            position: relative;
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            overflow: hidden;
            min-height: 220px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            transition: all var(--transition-base);
            cursor: pointer;
            border: 1px solid rgba(255, 215, 0, 0.15);
        }

        .category-nav-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(6, 35, 21, 0.88) 25%, rgba(6, 35, 21, 0.35) 70%, rgba(6, 35, 21, 0.15) 100%);
            transition: background var(--transition-base);
        }

        .category-nav-card:hover::before {
            background: linear-gradient(to top, rgba(6, 35, 21, 0.95) 30%, rgba(6, 35, 21, 0.5) 75%, rgba(6, 35, 21, 0.25) 100%);
        }

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

        .category-nav-card > * {
            position: relative;
            z-index: 2;
        }

        .category-nav-card h3 {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .category-nav-card p {
            font-size: 0.88rem;
            color: var(--text-pale-mint);
            line-height: 1.55;
            max-width: 360px;
            margin-bottom: 12px;
        }

        .category-nav-card .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--accent-gold);
        }

        /* ============ GAME SHOWCASE SECTION ============ */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .game-card {
            background: var(--primary-bg-light);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
        }

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

        .game-card .game-thumb {
            aspect-ratio: 4/3;
            overflow: hidden;
            background: var(--primary-bg-dark);
            position: relative;
        }

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

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

        .game-card .game-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            z-index: 2;
            padding: 4px 10px;
            font-size: 0.68rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            border-radius: var(--radius-full);
            background: var(--accent-red);
            color: #fff;
            box-shadow: var(--shadow-red);
        }

        .game-card .game-badge.gold {
            background: var(--accent-gold);
            color: var(--primary-bg-dark);
            box-shadow: var(--shadow-gold);
        }

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

        .game-card .game-body h3 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
            line-height: 1.35;
        }

        .game-card .game-body .game-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .game-card .game-body .game-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ============ NEWS SECTION ============ */
        .news-layout {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: var(--spacing-lg);
        }

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

        .news-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: 16px 18px;
            background: rgba(18, 62, 37, 0.45);
            border: 1px solid rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
        }

        .news-item:hover {
            border-color: var(--border-gold);
            background: rgba(18, 62, 37, 0.7);
            transform: translateX(4px);
        }

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

        .news-item .news-info h3 {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-white);
            line-height: 1.4;
            margin-bottom: 4px;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .news-item .news-info .news-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .news-item .news-arrow {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 215, 0, 0.1);
            border-radius: 50%;
            color: var(--accent-gold);
            transition: all var(--transition-fast);
        }

        .news-item:hover .news-arrow {
            background: var(--accent-gold);
            color: var(--primary-bg-dark);
        }

        .news-sidebar {
            background: rgba(18, 62, 37, 0.4);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .news-sidebar h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            padding-bottom: 8px;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }

        .news-sidebar ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .news-sidebar ul li a {
            display: block;
            font-size: 0.82rem;
            color: var(--text-pale-mint);
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            line-height: 1.45;
        }

        .news-sidebar ul li a:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
        }

        .news-empty {
            padding: var(--spacing-lg);
            text-align: center;
            color: var(--text-muted);
            font-size: 0.9rem;
            background: rgba(18, 62, 37, 0.4);
            border-radius: var(--radius-md);
            border: 1px dashed rgba(255, 215, 0, 0.25);
        }

        /* ============ GAME TRACK (片库轨道) ============ */
        .track-section {
            overflow: hidden;
        }

        .track-scroll {
            display: flex;
            gap: var(--spacing-md);
            overflow-x: auto;
            padding: var(--spacing-sm) 2px var(--spacing-md);
            scroll-snap-type: x mandatory;
            scrollbar-width: thin;
            scrollbar-color: var(--accent-gold) rgba(255, 215, 0, 0.1);
            -webkit-overflow-scrolling: touch;
        }

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

        .track-scroll::-webkit-scrollbar-track {
            background: rgba(255, 215, 0, 0.08);
            border-radius: 100px;
        }

        .track-scroll::-webkit-scrollbar-thumb {
            background: var(--accent-gold);
            border-radius: 100px;
        }

        .track-card {
            flex: 0 0 200px;
            scroll-snap-align: start;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(255, 215, 0, 0.15);
            background: var(--primary-bg-light);
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
        }

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

        .track-card .track-thumb {
            aspect-ratio: 3/4;
            overflow: hidden;
            background: var(--primary-bg-dark);
            position: relative;
        }

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

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

        .track-card .track-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(6, 35, 21, 0.92) 10%, transparent 55%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: var(--spacing-sm);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .track-card:hover .track-overlay {
            opacity: 1;
        }

        .track-card .track-overlay h4 {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .track-card .track-overlay .track-cta {
            font-size: 0.75rem;
            color: var(--accent-gold);
            font-weight: 600;
        }

        /* ============ SECURITY SECTION ============ */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .security-card {
            background: rgba(18, 62, 37, 0.5);
            border: 1px solid rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-base);
        }

        .security-card:hover {
            border-color: var(--border-gold);
            background: rgba(18, 62, 37, 0.75);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .security-card .sec-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }

        .security-card h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .security-card p {
            font-size: 0.82rem;
            color: var(--text-pale-mint);
            line-height: 1.55;
        }

        /* ============ FAQ SECTION ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 760px;
        }

        .faq-item {
            background: rgba(18, 62, 37, 0.45);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .faq-item.active {
            border-color: var(--border-gold-strong);
            background: rgba(18, 62, 37, 0.7);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: 16px 18px;
            cursor: pointer;
            user-select: none;
            transition: all var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(255, 215, 0, 0.03);
        }

        .faq-question h3 {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-white);
            line-height: 1.45;
            flex: 1;
        }

        .faq-question .faq-icon {
            width: 26px;
            height: 26px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            font-size: 0.9rem;
            transition: transform var(--transition-base);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
        }

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

        .faq-answer p {
            padding: 0 18px 16px;
            font-size: 0.85rem;
            color: var(--text-pale-mint);
            line-height: 1.65;
        }

        /* ============ COUNTDOWN ENTRY SECTION ============ */
        .countdown-section {
            background: linear-gradient(135deg, rgba(211, 47, 47, 0.15), rgba(10, 46, 28, 0.6));
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl) !important;
            margin: var(--spacing-lg) auto;
            max-width: var(--max-width);
        }

        .countdown-content {
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }

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

        .countdown-content .countdown-desc {
            font-size: 0.95rem;
            color: var(--text-pale-mint);
            line-height: 1.6;
            margin-bottom: var(--spacing-md);
        }

        .countdown-timer {
            display: flex;
            justify-content: center;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-lg);
        }

        .countdown-unit {
            background: rgba(0, 0, 0, 0.35);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 12px 14px;
            min-width: 68px;
        }

        .countdown-unit .cd-num {
            font-family: var(--font-display);
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-gold);
            display: block;
            line-height: 1.1;
        }

        .countdown-unit .cd-label {
            font-size: 0.68rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        /* ============ MEMBERSHIP SECTION ============ */
        .membership-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .member-card {
            background: var(--primary-bg-light);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

        .member-card.featured {
            border-color: var(--accent-gold);
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.08), var(--primary-bg-light));
        }

        .member-card .member-tag {
            position: absolute;
            top: 14px;
            right: 14px;
            padding: 4px 12px;
            font-size: 0.68rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            border-radius: var(--radius-full);
            background: var(--accent-gold);
            color: var(--primary-bg-dark);
        }

        .member-card h3 {
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .member-card .member-price {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }

        .member-card .member-price .unit {
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        .member-card ul {
            list-style: none;
            margin-bottom: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .member-card ul li {
            font-size: 0.82rem;
            color: var(--text-pale-mint);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.45;
        }

        .member-card ul li::before {
            content: '✓';
            color: var(--accent-gold);
            font-weight: 700;
            flex-shrink: 0;
        }

        .member-card .btn-member {
            display: block;
            width: 100%;
            padding: 12px;
            text-align: center;
            font-size: 0.88rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .member-card .btn-member.btn-outline-member {
            background: transparent;
            border: 1.5px solid var(--border-gold-strong);
            color: var(--accent-gold);
        }

        .member-card .btn-member.btn-outline-member:hover {
            background: rgba(255, 215, 0, 0.1);
        }

        .member-card .btn-member.btn-solid-member {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            color: var(--primary-bg-dark);
            box-shadow: var(--shadow-gold);
        }

        .member-card .btn-member.btn-solid-member:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.35);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--primary-bg-dark);
            border-top: 1px solid var(--border-gold);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand .footer-logo {
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
            line-height: 1.35;
        }

        .footer-brand p {
            font-size: 0.82rem;
            color: var(--text-pale-mint);
            line-height: 1.6;
            max-width: 300px;
            margin-bottom: var(--spacing-sm);
        }

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

        .footer-badge {
            padding: 4px 10px;
            font-size: 0.66rem;
            font-weight: 600;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-full);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.82rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
            line-height: 1.4;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
        }

        .footer-bottom p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom .footer-links a {
            font-size: 0.75rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        /* ============ FAB ============ */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #1A1A1A, #0A0A0A);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-gold);
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            animation: fab-float 3.2s ease-in-out infinite;
            transition: all var(--transition-base);
            opacity: 0.7;
            overflow: visible;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.45);
        }

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

        .fab .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid var(--primary-bg-dark);
            animation: fab-blink 1.6s ease-in-out infinite;
        }

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

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

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

            .hero-progress-panel {
                max-width: 500px;
            }

            .games-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

            .membership-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--spacing-sm);
            }

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

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

            .main-nav {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .mobile-menu {
                display: flex;
            }

            .logo {
                font-size: 0.9rem;
                max-width: 200px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }

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

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

            .hero {
                padding-top: calc(60px + var(--spacing-lg));
                padding-bottom: var(--spacing-lg);
            }

            .hero h1 {
                font-size: 1.55rem;
            }

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

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

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

            .tier-previews {
                grid-template-columns: repeat(3, 1fr);
                gap: 6px;
            }

            .tier-card .tier-name {
                font-size: 0.72rem;
            }

            .tier-card .tier-desc {
                font-size: 0.62rem;
            }

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

            .games-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

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

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

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

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

            .countdown-unit {
                min-width: 56px;
                padding: 10px 8px;
            }

            .countdown-unit .cd-num {
                font-size: 1.3rem;
            }

            .section-header {
                flex-direction: column;
                gap: var(--spacing-sm);
            }

            .section-header h2 {
                font-size: 1.35rem;
            }

            .track-card {
                flex: 0 0 160px;
            }

            .countdown-section,
            .category-nav-section {
                padding: var(--spacing-lg) var(--spacing-md) !important;
                border-radius: var(--radius-lg);
                margin: var(--spacing-md) auto;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.35rem;
            }

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

            .hero-stat .number {
                font-size: 1.1rem;
            }

            .progress-ring {
                width: 84px;
                height: 84px;
            }

            .progress-ring .ring-text .pct {
                font-size: 1.2rem;
            }

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

            .track-card {
                flex: 0 0 140px;
            }

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

            .news-item .news-arrow {
                align-self: flex-end;
            }

            .member-card {
                padding: var(--spacing-md);
            }

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

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

            .header-inner {
                gap: 8px;
            }

            .logo {
                max-width: 145px;
                font-size: 0.78rem;
            }

            .btn-login {
                padding: 6px 10px;
                font-size: 0.72rem;
            }

            .btn-signup {
                padding: 7px 12px;
                font-size: 0.72rem;
            }

            .nav-actions {
                gap: 6px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --bg-card: rgba(15, 12, 32, 0.9);
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --accent-hotpink: #FF007F;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --text-muted: #6B7280;
            --border-neon: rgba(0, 240, 255, 0.3);
            --border-lime: rgba(204, 255, 0, 0.3);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-lime: 0 0 15px rgba(204, 255, 0, 0.3);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --font-xs: 0.75rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-lg: 1.125rem;
            --font-xl: 1.25rem;
            --font-2xl: 1.5rem;
            --font-3xl: 2rem;
            --font-4xl: 2.5rem;
            --font-5xl: 3rem;
            --transition-fast: 150ms ease-out;
            --transition-base: 250ms ease-out;
            --transition-slow: 400ms ease-out;
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Roboto', sans-serif;
            font-size: var(--font-base);
            line-height: 1.6;
            color: var(--text-primary);
            background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-neon);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(15, 12, 32, 0.95);
            box-shadow: var(--shadow-neon);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: var(--spacing-md);
        }

        .logo {
            font-size: var(--font-xl);
            font-weight: 800;
            color: var(--accent-cyan);
            letter-spacing: -0.5px;
            white-space: nowrap;
            text-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
            transition: text-shadow var(--transition-base);
            flex-shrink: 0;
        }

        .logo:hover {
            text-shadow: 0 0 20px rgba(0, 240, 255, 0.7);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-wrap: wrap;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-weight: 500;
            font-size: var(--font-sm);
            color: var(--text-secondary);
            transition: color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

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

        .main-nav a.active {
            color: var(--accent-lime);
            background: rgba(204, 255, 0, 0.1);
            box-shadow: 0 0 8px rgba(204, 255, 0, 0.2);
        }

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

        .btn-login {
            background: transparent;
            border: 1px solid var(--border-neon);
            color: var(--accent-cyan);
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: var(--font-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            border: none;
            color: var(--bg-primary);
            padding: 8px 24px;
            border-radius: 24px;
            font-weight: 700;
            font-size: var(--font-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 0 12px rgba(204, 255, 0, 0.3);
            white-space: nowrap;
        }

        .btn-signup:hover {
            box-shadow: 0 0 20px rgba(204, 255, 0, 0.5);
            transform: translateY(-1px);
        }

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

        /* Mobile Menu Button */
        .menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-neon);
            color: var(--accent-cyan);
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            font-size: 1.5rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }

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

        /* Main Content */
        .page-content {
            padding-top: 72px;
        }

        /* Hero Section */
        .hero-section {
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
            position: relative;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .hero-container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

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

        .hero-badge {
            display: inline-block;
            background: rgba(204, 255, 0, 0.15);
            border: 1px solid var(--border-lime);
            color: var(--accent-lime);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: var(--spacing-md);
        }

        .hero-title {
            font-size: var(--font-5xl);
            font-weight: 900;
            line-height: 1.15;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .hero-title span {
            color: var(--accent-cyan);
            text-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
        }

        .hero-subtitle {
            font-size: var(--font-lg);
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
            max-width: 480px;
        }

        .hero-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            border: none;
            color: var(--bg-primary);
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: var(--font-base);
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 0 16px rgba(204, 255, 0, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            box-shadow: 0 0 28px rgba(204, 255, 0, 0.6);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(204, 255, 0, 0.3);
        }

        .btn-secondary {
            background: transparent;
            border: 2px solid var(--border-neon);
            color: var(--accent-cyan);
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: var(--font-base);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-secondary:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
        }

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

        .hero-visual img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-neon);
            border: 2px solid var(--border-neon);
        }

        .hero-stats {
            position: absolute;
            bottom: -10px;
            left: -10px;
            background: var(--bg-card);
            border: 1px solid var(--border-lime);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            backdrop-filter: blur(10px);
            display: flex;
            gap: var(--spacing-md);
        }

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

        .hero-stat-number {
            font-size: var(--font-2xl);
            font-weight: 800;
            color: var(--accent-lime);
        }

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

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

        .section-title {
            font-size: var(--font-4xl);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: var(--spacing-sm);
            color: var(--text-primary);
            text-align: left;
        }

        .section-title span {
            color: var(--accent-cyan);
        }

        .section-subtitle {
            font-size: var(--font-lg);
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: var(--spacing-lg);
            text-align: left;
            max-width: 600px;
        }

        /* Trust badges inline */
        .trust-inline {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            margin-top: var(--spacing-sm);
        }

        .trust-inline-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: var(--font-sm);
            color: var(--accent-cyan);
        }

        .trust-inline-item i {
            font-size: 1.2rem;
        }

        /* Download Steps Section */
        .download-steps {
            background: rgba(11, 26, 48, 0.5);
            border-top: 1px solid var(--border-neon);
            border-bottom: 1px solid var(--border-neon);
        }

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

        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            position: relative;
            transition: all var(--transition-base);
            backdrop-filter: blur(10px);
            text-align: left;
        }

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

        .step-number {
            font-size: 3rem;
            font-weight: 900;
            color: var(--accent-cyan);
            opacity: 0.3;
            line-height: 1;
            margin-bottom: var(--spacing-xs);
        }

        .step-card h3 {
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
        }

        .step-card p {
            font-size: var(--font-base);
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .step-card .step-icon {
            font-size: 2rem;
            color: var(--accent-lime);
            margin-bottom: var(--spacing-xs);
        }

        /* Link Table Section */
        .link-table-section {
            background: rgba(15, 12, 32, 0.6);
        }

        .table-wrapper {
            overflow-x: auto;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-neon);
            backdrop-filter: blur(10px);
        }

        .download-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .download-table th {
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-cyan);
            font-weight: 700;
            padding: 14px 16px;
            font-size: var(--font-sm);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border-bottom: 1px solid var(--border-neon);
        }

        .download-table td {
            padding: 14px 16px;
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
            color: var(--text-secondary);
            font-size: var(--font-base);
        }

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

        .download-table tr:hover td {
            background: rgba(0, 240, 255, 0.04);
            color: var(--text-primary);
        }

        .badge-version {
            display: inline-block;
            background: rgba(204, 255, 0, 0.15);
            color: var(--accent-lime);
            padding: 2px 12px;
            border-radius: 12px;
            font-size: var(--font-xs);
            font-weight: 700;
        }

        .badge-new {
            display: inline-block;
            background: var(--accent-hotpink);
            color: white;
            padding: 2px 10px;
            border-radius: 12px;
            font-size: var(--font-xs);
            font-weight: 700;
            margin-left: 4px;
        }

        .btn-download-sm {
            background: var(--accent-lime);
            color: var(--bg-primary);
            border: none;
            padding: 8px 18px;
            border-radius: 20px;
            font-weight: 700;
            font-size: var(--font-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-download-sm:hover {
            background: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
        }

        /* Security Section */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .security-card {
            background: var(--bg-card);
            border: 1px solid var(--border-lime);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            backdrop-filter: blur(10px);
            transition: all var(--transition-base);
            text-align: left;
        }

        .security-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lime);
        }

        .security-icon {
            font-size: 2.5rem;
            color: var(--accent-lime);
            margin-bottom: var(--spacing-sm);
        }

        .security-card h3 {
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
        }

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

        /* FAQ Section */
        .faq-section {
            background: rgba(11, 26, 48, 0.4);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 800px;
        }

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

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

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text-primary);
            padding: 18px 24px;
            font-size: var(--font-lg);
            font-weight: 700;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color var(--transition-fast);
        }

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

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 24px 18px;
        }

        .faq-answer p {
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: var(--font-base);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.05) 0%, rgba(204, 255, 0, 0.05) 100%);
            border-top: 1px solid var(--border-neon);
            border-bottom: 1px solid var(--border-neon);
            text-align: left;
        }

        .cta-box {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: var(--spacing-lg);
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-lime);
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg);
            backdrop-filter: blur(16px);
        }

        .cta-text h2 {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
        }

        .cta-text p {
            font-size: var(--font-lg);
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .cta-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: rgba(11, 26, 48, 0.8);
            border-top: 1px solid var(--border-neon);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            color: var(--text-secondary);
        }

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

        .footer-logo {
            font-size: var(--font-xl);
            font-weight: 800;
            color: var(--accent-cyan);
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand p {
            font-size: var(--font-sm);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
        }

        .footer-badges {
            display: flex;
            gap: var(--spacing-xs);
            flex-wrap: wrap;
        }

        .footer-badge {
            display: inline-block;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-neon);
            color: var(--accent-cyan);
            padding: 4px 12px;
            border-radius: 16px;
            font-size: var(--font-xs);
            font-weight: 600;
        }

        .footer-col h4 {
            font-size: var(--font-base);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

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

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

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

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

        .footer-bottom {
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding-top: var(--spacing-md);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: var(--font-xs);
        }

        .footer-links {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .footer-links a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

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

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 900;
            width: 52px;
            height: 52px;
            border-radius: 50px;
            background: rgba(15, 12, 32, 0.6);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            transition: all var(--transition-base);
            overflow: hidden;
        }

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

        .fab-left:hover {
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.8);
            transform: scale(1.1);
            color: var(--accent-lime);
        }

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

        .fab-notification {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 10px;
            height: 10px;
            background: var(--accent-hotpink);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--accent-hotpink);
            animation: blink 1.5s infinite;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --font-5xl: 2.5rem;
                --font-4xl: 2rem;
                --font-3xl: 1.75rem;
            }

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

            .hero-visual {
                order: -1;
            }

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

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

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

            .cta-box {
                grid-template-columns: 1fr;
            }
        }

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

            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(15, 12, 32, 0.98);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border-neon);
                padding: var(--spacing-md);
                gap: 4px;
                box-shadow: var(--shadow-neon);
            }

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

            .main-nav a {
                width: 100%;
                justify-content: flex-start;
                border-radius: var(--radius-sm);
                padding: 12px 16px;
                font-size: var(--font-base);
            }

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

            .btn-login, .btn-signup {
                padding: 8px 14px;
                font-size: var(--font-xs);
            }

            :root {
                --font-5xl: 2rem;
                --font-4xl: 1.75rem;
                --font-3xl: 1.5rem;
            }

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

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

            .hero-stats {
                position: relative;
                left: auto;
                bottom: auto;
                margin-top: var(--spacing-sm);
            }

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

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

            .download-table th, .download-table td {
                padding: 10px 12px;
                font-size: var(--font-sm);
            }

            .fab-left {
                width: 46px;
                height: 46px;
                bottom: 80px;
                left: 12px;
                font-size: 1.2rem;
            }
        }

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

            .header-inner {
                height: 64px;
                gap: var(--spacing-xs);
            }

            .logo {
                font-size: var(--font-base);
            }

            .hero-title {
                font-size: var(--font-3xl);
            }

            .hero-actions {
                flex-direction: column;
            }

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

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

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

/* roulang page: article */
:root {
            --color-bg: #121212;
            --color-bg-secondary: #1C1C1E;
            --color-bg-tertiary: #242426;
            --color-bg-card: #1A1A1D;
            --color-accent: #C5A059;
            --color-accent-2: #FFBF00;
            --color-accent-3: #E8A87C;
            --color-text: #F5F5F7;
            --color-text-muted: #A8A8B0;
            --color-text-secondary: #D4AC0D;
            --color-border: #2E2E32;
            --color-border-light: #3A3A40;
            --color-highlight: #D32F2F;
            --color-highlight-2: #E74C3C;
            --color-success: #2E7D32;
            --color-warning: #F39C12;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
            --shadow-gold: 0 4px 20px rgba(197,160,89,0.25);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-full: 9999px;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 96px;
            --font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
            --nav-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent-2);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent-2);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
            cursor: pointer;
        }

        ul,
        ol {
            list-style-position: inside;
        }

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

        @media (min-width: 768px) {
            .container {
                padding: 0 var(--spacing-xl);
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--spacing-2xl);
            }
        }

        /* ============ HEADER & NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            width: 100%;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            text-decoration: none;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-2) 100%);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #1A1A1D;
            font-weight: 800;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }

        .logo-text {
            font-weight: 800;
            font-size: 16px;
            color: var(--color-text);
            line-height: 1.2;
            letter-spacing: -0.02em;
            max-width: 220px;
        }

        .logo-text span {
            display: block;
            font-size: 11px;
            font-weight: 500;
            color: var(--color-text-secondary);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: var(--spacing-sm) var(--spacing-md);
            color: var(--color-text-muted);
            font-weight: 500;
            font-size: 14px;
            border-radius: var(--radius-full);
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            text-decoration: none;
        }

        .main-nav a:hover {
            color: var(--color-text);
            background-color: rgba(197, 160, 89, 0.1);
            border-color: rgba(197, 160, 89, 0.2);
        }

        .main-nav a.active {
            color: var(--color-accent-2);
            background-color: rgba(255, 191, 0, 0.12);
            border-color: rgba(255, 191, 0, 0.25);
            font-weight: 600;
        }

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

        .btn-nav-login {
            padding: var(--spacing-sm) var(--spacing-md);
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-muted);
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }

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

        .btn-nav-signup {
            padding: var(--spacing-sm) var(--spacing-lg);
            font-size: 14px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-2) 100%);
            color: #1A1A1D;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            box-shadow: 0 2px 12px rgba(255, 191, 0, 0.3);
        }

        .btn-nav-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 191, 0, 0.4);
            color: #1A1A1D;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            color: var(--color-text);
            font-size: 20px;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            background: transparent;
            cursor: pointer;
        }

        .nav-toggle:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .mobile-nav-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(18, 18, 18, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
            z-index: 999;
            padding: var(--spacing-lg);
            flex-direction: column;
            gap: var(--spacing-sm);
        }

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

        .mobile-nav-menu a {
            padding: var(--spacing-md);
            color: var(--color-text-muted);
            font-weight: 500;
            font-size: 16px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            text-decoration: none;
            border: 1px solid transparent;
        }

        .mobile-nav-menu a:hover {
            color: var(--color-text);
            background: rgba(197, 160, 89, 0.1);
            border-color: rgba(197, 160, 89, 0.2);
        }
        .mobile-nav-menu a.active {
            color: var(--color-accent-2);
            background: rgba(255, 191, 0, 0.1);
            border-color: rgba(255, 191, 0, 0.25);
            font-weight: 600;
        }

        @media (max-width: 1023px) {
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .logo-text {
                font-size: 14px;
                max-width: 180px;
            }
            .btn-nav-login {
                padding: var(--spacing-xs) var(--spacing-sm);
                font-size: 13px;
            }
            .btn-nav-signup {
                padding: var(--spacing-xs) var(--spacing-md);
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }
            .logo-text {
                font-size: 13px;
                max-width: 150px;
            }
            .logo-text span {
                font-size: 9px;
            }
            .btn-nav-login {
                font-size: 12px;
                padding: 6px 10px;
            }
            .btn-nav-signup {
                font-size: 12px;
                padding: 6px 14px;
            }
            .nav-actions {
                gap: 6px;
            }
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-wrapper {
            background: var(--color-bg-secondary);
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-sm) 0;
        }

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

        .breadcrumb a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast);
            font-weight: 500;
        }

        .breadcrumb a:hover {
            color: var(--color-accent-2);
        }

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

        .breadcrumb .current {
            color: var(--color-text-muted);
            font-weight: 400;
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ============ ARTICLE HERO ============ */
        .article-hero {
            position: relative;
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
            background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
            border-bottom: 1px solid var(--color-border);
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(197, 160, 89, 0.12) 0%, rgba(197, 160, 89, 0.03) 50%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(255, 191, 0, 0.08) 0%, transparent 65%);
            pointer-events: none;
            z-index: 0;
        }

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

        .article-hero-inner {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-xl);
            max-width: 900px;
            margin: 0 auto;
        }

        @media (min-width: 768px) {
            .article-hero-inner {
                grid-template-columns: 1fr;
                gap: var(--spacing-2xl);
            }
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-xs);
            background: rgba(197, 160, 89, 0.15);
            color: var(--color-accent-2);
            font-weight: 600;
            font-size: 13px;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(197, 160, 89, 0.3);
            width: fit-content;
            letter-spacing: 0.02em;
            text-transform: uppercase;
        }

        .article-hero h1 {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--color-text);
            letter-spacing: -0.02em;
            margin: var(--spacing-md) 0;
        }

        @media (min-width: 768px) {
            .article-hero h1 {
                font-size: 38px;
                line-height: 1.25;
            }
        }

        @media (min-width: 1024px) {
            .article-hero h1 {
                font-size: 44px;
            }
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: var(--spacing-md);
            padding-bottom: var(--spacing-md);
            border-bottom: 1px solid var(--color-border);
            font-size: 14px;
            color: var(--color-text-muted);
        }

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

        .article-meta-item i {
            color: var(--color-accent);
            font-size: 14px;
        }

        .article-hero-image {
            width: 100%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
            margin-top: var(--spacing-lg);
        }

        .article-hero-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16 / 7;
            min-height: 200px;
            display: block;
        }

        @media (min-width: 768px) {
            .article-hero-image img {
                aspect-ratio: 21 / 9;
                min-height: 280px;
            }
        }

        .article-excerpt {
            font-size: 17px;
            line-height: 1.7;
            color: var(--color-text-muted);
            margin-top: var(--spacing-md);
            max-width: 720px;
        }

        /* ============ KEY TAKEAWAYS ============ */
        .key-takeaways {
            padding: var(--spacing-lg) 0;
            background: var(--color-bg-secondary);
            border-bottom: 1px solid var(--color-border);
        }

        .key-takeaways-box {
            background: linear-gradient(135deg, rgba(197, 160, 89, 0.06) 0%, rgba(255, 191, 0, 0.04) 100%);
            border: 1px solid rgba(197, 160, 89, 0.2);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            max-width: 900px;
            margin: 0 auto;
        }

        .key-takeaways-box h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-accent-2);
            margin-bottom: var(--spacing-md);
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .key-takeaways-box h3 i {
            font-size: 18px;
        }

        .key-takeaways-box ul {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-sm);
        }

        @media (min-width: 768px) {
            .key-takeaways-box ul {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
        }

        .key-takeaways-box li {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-sm);
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.55;
        }

        .key-takeaways-box li i {
            color: var(--color-accent-2);
            font-size: 16px;
            margin-top: 2px;
            flex-shrink: 0;
        }

        /* ============ ARTICLE BODY ============ */
        .article-body-wrapper {
            padding: var(--spacing-xl) 0;
            flex: 1;
        }

        .article-body {
            max-width: 820px;
            margin: 0 auto;
            font-size: 17px;
            line-height: 1.75;
            color: var(--color-text);
        }

        .article-body h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-text);
            margin: var(--spacing-2xl) 0 var(--spacing-md);
            letter-spacing: -0.01em;
            line-height: 1.3;
            padding-bottom: var(--spacing-xs);
            border-bottom: 2px solid rgba(197, 160, 89, 0.2);
        }

        .article-body h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--color-accent-2);
            margin: var(--spacing-xl) 0 var(--spacing-sm);
            letter-spacing: -0.01em;
            line-height: 1.4;
        }

        .article-body h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin: var(--spacing-lg) 0 var(--spacing-sm);
        }

        .article-body p {
            margin-bottom: var(--spacing-md);
            color: var(--color-text);
        }

        .article-body ul,
        .article-body ol {
            margin: var(--spacing-md) 0;
            padding-left: var(--spacing-xl);
            list-style-position: outside;
        }

        .article-body ul {
            list-style-type: disc;
        }
        .article-body ol {
            list-style-type: decimal;
        }

        .article-body li {
            margin-bottom: var(--spacing-xs);
            color: var(--color-text);
            line-height: 1.7;
        }

        .article-body blockquote {
            background: rgba(197, 160, 89, 0.06);
            border-left: 4px solid var(--color-accent);
            padding: var(--spacing-md) var(--spacing-lg);
            margin: var(--spacing-lg) 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--color-text-muted);
            font-size: 16px;
            line-height: 1.7;
        }

        .article-body img {
            border-radius: var(--radius-lg);
            margin: var(--spacing-lg) 0;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            width: 100%;
            height: auto;
        }

        .article-body code {
            background: var(--color-bg-tertiary);
            padding: 2px 8px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--color-accent-2);
            font-family: 'SF Mono', 'Fira Code', monospace;
            border: 1px solid var(--color-border);
        }

        .article-body pre {
            background: var(--color-bg-tertiary);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            overflow-x: auto;
            margin: var(--spacing-lg) 0;
        }

        .article-body pre code {
            background: none;
            border: none;
            padding: 0;
            color: var(--color-text);
            font-size: 14px;
            line-height: 1.6;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: var(--spacing-lg) 0;
            font-size: 15px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .article-body table th,
        .article-body table td {
            padding: var(--spacing-sm) var(--spacing-md);
            border: 1px solid var(--color-border);
            text-align: left;
        }

        .article-body table th {
            background: var(--color-bg-tertiary);
            font-weight: 600;
            color: var(--color-accent-2);
        }

        .article-body table tr:nth-child(even) td {
            background: rgba(255, 255, 255, 0.02);
        }

        .article-body .article-highlight-box {
            background: linear-gradient(135deg, rgba(211, 47, 47, 0.1) 0%, rgba(231, 76, 60, 0.06) 100%);
            border: 1px solid rgba(211, 47, 47, 0.25);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            margin: var(--spacing-lg) 0;
        }

        .article-body .article-highlight-box p:last-child {
            margin-bottom: 0;
        }

        .article-body strong {
            color: var(--color-accent-2);
            font-weight: 700;
        }

        /* ============ ARTICLE EMPTY ============ */
        .article-empty {
            text-align: center;
            padding: var(--spacing-3xl) 0;
            max-width: 600px;
            margin: 0 auto;
        }

        .article-empty i {
            font-size: 48px;
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-lg);
            display: block;
        }

        .article-empty p {
            font-size: 18px;
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-xl);
        }

        .article-empty a {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-sm);
            padding: var(--spacing-md) var(--spacing-xl);
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-2) 100%);
            color: #1A1A1D;
            font-weight: 700;
            border-radius: var(--radius-full);
            text-decoration: none;
            font-size: 16px;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-fast);
        }

        .article-empty a:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 191, 0, 0.35);
            color: #1A1A1D;
        }

        /* ============ SECURITY SECTION ============ */
        .security-section {
            padding: var(--spacing-2xl) 0;
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .security-section .container {
            max-width: 1000px;
        }

        .security-header {
            text-align: left;
            margin-bottom: var(--spacing-xl);
        }

        .security-header h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.01em;
            margin-bottom: var(--spacing-sm);
        }

        .security-header p {
            font-size: 16px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

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

        @media (min-width: 768px) {
            .security-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--spacing-xl);
            }
        }

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

        .security-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-2) 100%);
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }

        .security-card:hover {
            transform: translateY(-4px);
            border-color: rgba(197, 160, 89, 0.4);
            box-shadow: var(--shadow-gold);
        }

        .security-card-icon {
            width: 48px;
            height: 48px;
            background: rgba(197, 160, 89, 0.1);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-accent-2);
            margin-bottom: var(--spacing-md);
            border: 1px solid rgba(197, 160, 89, 0.2);
        }

        .security-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--spacing-xs);
        }

        .security-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ============ FAQ SECTION ============ */
        .faq-section {
            padding: var(--spacing-2xl) 0;
            background: var(--color-bg);
        }

        .faq-section .container {
            max-width: 820px;
        }

        .faq-header {
            margin-bottom: var(--spacing-xl);
        }

        .faq-header h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.01em;
            margin-bottom: var(--spacing-sm);
        }

        .faq-header p {
            font-size: 16px;
            color: var(--color-text-muted);
        }

        .faq-item {
            background: var(--color-bg-secondary);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:focus-within {
            border-color: rgba(197, 160, 89, 0.4);
        }

        .faq-question {
            width: 100%;
            padding: var(--spacing-lg) var(--spacing-xl);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            background: transparent;
            cursor: pointer;
            text-align: left;
            transition: color var(--transition-fast);
            border: none;
            line-height: 1.5;
        }

        .faq-question:hover {
            color: var(--color-accent-2);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(197, 160, 89, 0.1);
            color: var(--color-accent);
            font-size: 13px;
            transition: transform var(--transition-normal);
        }

        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(180deg);
            background: rgba(255, 191, 0, 0.15);
            color: var(--color-accent-2);
        }

        .faq-answer {
            padding: 0 var(--spacing-xl) var(--spacing-lg);
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.7;
            display: none;
        }

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

        /* ============ CTA SECTION ============ */
        .cta-section {
            padding: var(--spacing-2xl) 0;
            background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
            border-top: 1px solid var(--color-border);
        }

        .cta-box {
            background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-card) 100%);
            border: 1px solid rgba(197, 160, 89, 0.3);
            border-radius: var(--radius-xl);
            padding: var(--spacing-2xl);
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255, 191, 0, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.01em;
            margin-bottom: var(--spacing-sm);
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            font-size: 16px;
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-xl);
            line-height: 1.6;
            position: relative;
            z-index: 1;
        }

        .cta-box .btn {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-sm);
            padding: var(--spacing-md) var(--spacing-xl);
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-2) 100%);
            color: #1A1A1D;
            font-weight: 700;
            font-size: 16px;
            border-radius: var(--radius-full);
            text-decoration: none;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
        }

        .cta-box .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255, 191, 0, 0.4);
            color: #1A1A1D;
        }

        .cta-trust-row {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            margin-top: var(--spacing-xl);
            position: relative;
            z-index: 1;
        }

        .cta-trust-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-muted);
            background: rgba(197, 160, 89, 0.08);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(197, 160, 89, 0.15);
        }

        .cta-trust-item i {
            color: var(--color-accent-2);
            font-size: 12px;
        }

        /* ============ FAB ============ */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 48px;
            min-height: 48px;
            background: rgba(28, 28, 30, 0.75);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            border-radius: var(--radius-full);
            padding: 8px;
            cursor: pointer;
            opacity: 0.65;
            transition: all var(--transition-normal);
            position: fixed;
            background-clip: padding-box;
            border-image: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-2) 100%) 1;
            box-shadow: 0 0 20px rgba(197, 160, 89, 0.25);
            animation: fab-pulse 3s ease-in-out infinite;
        }

        .fab-support:hover {
            opacity: 1;
            border-image: linear-gradient(135deg, var(--color-accent-2) 0%, var(--color-accent) 100%) 1;
            box-shadow: 0 0 32px rgba(255, 191, 0, 0.5);
            transform: scale(1.08);
        }

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

        .fab-support-icon {
            font-size: 22px;
            color: var(--color-accent-2);
            transition: all var(--transition-normal);
            animation: fab-icon-breathe 3s ease-in-out infinite;
        }

        .fab-support:hover .fab-support-icon {
            animation: none;
            color: var(--color-accent-2);
        }

        .fab-support-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 12px;
            height: 12px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid var(--color-bg);
            animation: fab-dot-pulse 2s ease-in-out infinite;
        }

        @keyframes fab-pulse {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-5px);
            }
        }

        @keyframes fab-icon-breathe {
            0%, 100% {
                opacity: 0.75;
            }
            50% {
                opacity: 1;
            }
        }

        @keyframes fab-dot-pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.3);
            }
        }

        @media (max-width: 520px) {
            .fab-support {
                left: 12px;
                bottom: 80px;
                min-width: 44px;
                min-height: 44px;
                padding: 6px;
            }
            .fab-support-icon {
                font-size: 18px;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            margin-top: auto;
        }

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

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
                gap: var(--spacing-lg);
            }
        }

        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

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

        .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: var(--spacing-md);
            max-width: 360px;
        }

        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-full);
            background: rgba(197, 160, 89, 0.1);
            color: var(--color-accent-2);
            border: 1px solid rgba(197, 160, 89, 0.25);
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.02em;
            text-transform: uppercase;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--color-text-muted);
            text-decoration: none;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-2);
        }

        .footer-bottom {
            padding-top: var(--spacing-lg);
            border-top: 1px solid var(--color-border);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            align-items: center;
            text-align: center;
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
                text-align: left;
            }
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            justify-content: center;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--color-text-muted);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        /* ============ RESPONSIVE GENERAL ============ */
        @media (max-width: 767px) {
            .article-hero h1 {
                font-size: 24px;
            }
            .article-body h2 {
                font-size: 22px;
            }
            .article-body h3 {
                font-size: 19px;
            }
            .article-body {
                font-size: 16px;
            }
            .key-takeaways-box {
                padding: var(--spacing-lg);
            }
            .security-header h2 {
                font-size: 24px;
            }
            .faq-header h2 {
                font-size: 24px;
            }
            .cta-box h2 {
                font-size: 22px;
            }
            .cta-box {
                padding: var(--spacing-xl);
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 21px;
            }
            .article-meta {
                font-size: 12px;
                gap: var(--spacing-sm);
                flex-wrap: wrap;
            }
            .article-body {
                font-size: 15px;
            }
            .article-body h2 {
                font-size: 20px;
            }
            .article-body h3 {
                font-size: 17px;
            }
            .breadcrumb .current {
                max-width: 160px;
            }
            .key-takeaways-box h3 {
                font-size: 16px;
            }
            .cta-box h2 {
                font-size: 20px;
            }
            .security-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category2 */
:root {
            --emerald-deep: #0A2E1C;
            --emerald-forest: #123E25;
            --emerald-glow: #1B5E3F;
            --gold-accent: #FFD700;
            --gold-bright: #FFC700;
            --gold-deep: #D4AF37;
            --lucky-red: #D32F2F;
            --lucky-orange: #FF6B35;
            --mint-pale: #D1F2EB;
            --text-white: #FFFFFF;
            --text-soft: rgba(255,255,255,0.85);
            --text-muted: rgba(255,255,255,0.62);
            --border-gold: rgba(255,215,0,0.35);
            --border-glass: rgba(255,255,255,0.10);
            --bg-card: rgba(18,62,37,0.82);
            --bg-card-hover: rgba(27,94,63,0.92);
            --shadow-card: 0 8px 28px rgba(0,0,0,0.35);
            --shadow-card-hover: 0 14px 44px rgba(255,215,0,0.12);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 28px;
            --spacing-lg: 48px;
            --spacing-xl: 72px;
            --font-main: 'Be Vietnam Pro', -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition-base: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-bounce: 0.38s cubic-bezier(0.68, -0.55, 0.27, 1.55);
        }
        
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        
        body {
            font-family: var(--font-main);
            background-color: var(--emerald-deep);
            color: var(--text-white);
            line-height: 1.62;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            color: var(--gold-accent);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        
        a:hover {
            color: var(--gold-bright);
        }
        
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        
        .container {
            max-width: 1140px;
            padding-left: 20px;
            padding-right: 20px;
        }
        
        /* ============ HEADER & NAV ============ */
        .site-header {
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-gold);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        
        .site-header.scrolled {
            background: rgba(10, 46, 28, 0.97);
            box-shadow: 0 6px 28px rgba(0,0,0,0.4);
        }
        
        .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
        }
        
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            white-space: nowrap;
        }
        
        .brand-logo .logo-icon {
            width: 42px;
            height: 42px;
            background: var(--gold-accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0A2E1C;
            font-size: 22px;
            font-weight: 800;
            flex-shrink: 0;
            transition: transform var(--transition-bounce);
        }
        
        .brand-logo:hover .logo-icon {
            transform: rotate(-6deg) scale(1.04);
        }
        
        .brand-logo .brand-text {
            font-size: 1.18rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.24;
            letter-spacing: -0.01em;
        }
        
        .brand-logo .brand-text span {
            display: block;
            font-size: 0.72rem;
            font-weight: 500;
            color: var(--gold-accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }
        
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        
        .main-nav a {
            color: var(--text-soft);
            font-weight: 500;
            font-size: 0.92rem;
            padding: 9px 18px;
            border-radius: 30px;
            white-space: nowrap;
            transition: color var(--transition-base), background var(--transition-base);
            position: relative;
        }
        
        .main-nav a:hover {
            color: var(--text-white);
            background: rgba(255,255,255,0.08);
        }
        
        .main-nav a.active {
            color: var(--gold-accent);
            font-weight: 700;
            background: rgba(255,215,0,0.12);
        }
        
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 3px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2.5px;
            background: var(--gold-accent);
            border-radius: 2px;
        }
        
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        
        .btn-nav-login {
            color: var(--text-soft);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 9px 16px;
            border: none;
            background: transparent;
            transition: color var(--transition-base);
        }
        
        .btn-nav-login:hover {
            color: var(--text-white);
        }
        
        .btn-nav-signup {
            background: var(--gold-accent);
            color: #0A2E1C;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 30px;
            border: none;
            box-shadow: 0 4px 14px rgba(255,215,0,0.35);
            transition: transform var(--transition-bounce), box-shadow var(--transition-base);
        }
        
        .btn-nav-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,215,0,0.5);
            color: #0A2E1C;
            background: var(--gold-bright);
        }
        
        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: 1.5px solid var(--border-gold);
            border-radius: 8px;
            color: var(--gold-accent);
            font-size: 1.35rem;
            padding: 7px 12px;
            cursor: pointer;
            transition: background var(--transition-base);
        }
        
        .navbar-toggler-custom:hover {
            background: rgba(255,215,0,0.1);
        }
        
        /* ============ HERO ============ */
        .hero-section {
            padding: 64px 0 48px;
            position: relative;
            background: linear-gradient(160deg, var(--emerald-deep) 0%, var(--emerald-forest) 50%, #0A2E1C 100%);
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: -160px;
            right: -160px;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(255,215,0,0.10) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -220px;
            left: -180px;
            width: 540px;
            height: 540px;
            background: radial-gradient(circle, rgba(255,107,53,0.07) 0%, transparent 65%);
            pointer-events: none;
        }
        
        .hero-row {
            position: relative;
            z-index: 2;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,215,0,0.11);
            border: 1px solid var(--border-gold);
            color: var(--gold-accent);
            font-weight: 600;
            font-size: 0.82rem;
            padding: 7px 16px;
            border-radius: 30px;
            margin-bottom: 18px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        
        .hero-badge i {
            font-size: 0.85rem;
        }
        
        .hero-title {
            font-size: 2.75rem;
            font-weight: 900;
            line-height: 1.18;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
            background: linear-gradient(120deg, #FFFFFF 30%, #FFD700 70%, #FFC700 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hero-subtitle {
            font-size: 1.12rem;
            color: var(--text-soft);
            line-height: 1.65;
            margin-bottom: 24px;
            max-width: 580px;
        }
        
        .hero-points {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        
        .hero-points li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-soft);
            font-size: 0.95rem;
        }
        
        .hero-points li i {
            color: var(--gold-accent);
            font-size: 1.02rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
        
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 26px;
        }
        
        .btn-hero-primary {
            background: linear-gradient(135deg, var(--gold-accent) 0%, #FFB300 50%, var(--gold-deep) 100%);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 1.08rem;
            padding: 15px 34px;
            border-radius: 42px;
            border: none;
            box-shadow: 0 8px 26px rgba(255,215,0,0.42);
            transition: transform var(--transition-bounce), box-shadow var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        
        .btn-hero-primary:hover {
            transform: translateY(-4px) scale(1.02);
            box-shadow: 0 14px 40px rgba(255,215,0,0.6);
            color: #0A2E1C;
        }
        
        .btn-hero-secondary {
            background: rgba(255,255,255,0.07);
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.08rem;
            padding: 15px 30px;
            border-radius: 42px;
            border: 1.5px solid rgba(255,255,255,0.25);
            transition: background var(--transition-base), border var(--transition-base), transform var(--transition-bounce);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        
        .btn-hero-secondary:hover {
            background: rgba(255,255,255,0.14);
            border-color: rgba(255,215,0,0.55);
            color: var(--text-white);
            transform: translateY(-3px);
        }
        
        .hero-trust-strip {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            padding-top: 18px;
            border-top: 1px solid var(--border-glass);
        }
        
        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 0.82rem;
            font-weight: 500;
        }
        
        .hero-trust-item i {
            color: var(--gold-accent);
            font-size: 0.95rem;
        }
        
        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .hero-visual-wrap {
            position: relative;
            width: 100%;
            max-width: 440px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(0,0,0,0.5);
            border: 1.5px solid var(--border-gold);
        }
        
        .hero-visual-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        
        .hero-visual-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--lucky-red);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 7px 16px;
            border-radius: 24px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            box-shadow: 0 4px 16px rgba(211,47,47,0.45);
        }
        
        .hero-visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px 16px 16px;
            background: linear-gradient(to top, rgba(10,46,28,0.92) 20%, transparent 100%);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }
        
        .hero-visual-overlay .overlay-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-white);
            margin-bottom: 4px;
        }
        
        .hero-visual-overlay .overlay-desc {
            font-size: 0.84rem;
            color: var(--text-muted);
        }
        
        /* ============ PROMO STRIP ============ */
        .promo-strip {
            background: linear-gradient(135deg, #1B5E3F 0%, #0A2E1C 100%);
            border-top: 2px solid var(--gold-accent);
            border-bottom: 2px solid var(--gold-accent);
            padding: 28px 0;
            position: relative;
            overflow: hidden;
        }
        
        .promo-strip::before {
            content: '';
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(45deg, transparent, transparent 24px, rgba(255,215,0,0.02) 24px, rgba(255,215,0,0.02) 48px);
            pointer-events: none;
        }
        
        .promo-grid {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            position: relative;
            z-index: 1;
        }
        
        .promo-price-block {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        
        .promo-price-label {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }
        
        .promo-price-value {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--gold-accent);
            line-height: 1;
        }
        
        .promo-price-old {
            font-size: 1.15rem;
            color: var(--text-muted);
            text-decoration: line-through;
            font-weight: 500;
        }
        
        .promo-badge {
            background: var(--lucky-orange);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 7px 18px;
            border-radius: 24px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            box-shadow: 0 4px 16px rgba(255,107,53,0.4);
            animation: promoPulse 2.2s ease-in-out infinite;
        }
        
        @keyframes promoPulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.04); }
        }
        
        .promo-guarantee-icons {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
        }
        
        .promo-guarantee-icons .guarantee-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-soft);
            font-size: 0.85rem;
            font-weight: 500;
        }
        
        .promo-guarantee-icons .guarantee-item i {
            color: var(--gold-accent);
            font-size: 1.05rem;
        }
        
        /* ============ SECTION COMMON ============ */
        .section-block {
            padding: 64px 0;
            position: relative;
        }
        
        .section-block.alt-bg {
            background: rgba(18,62,37,0.68);
        }
        
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--gold-accent);
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 12px;
        }
        
        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--gold-accent);
            border-radius: 2px;
        }
        
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.28;
            margin-bottom: 14px;
            color: var(--text-white);
            letter-spacing: -0.01em;
        }
        
        .section-desc {
            font-size: 1.02rem;
            color: var(--text-soft);
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 680px;
        }
        
        /* ============ INSTALL STEPS ============ */
        .steps-timeline {
            position: relative;
            padding-left: 28px;
            margin-top: 20px;
        }
        
        .steps-timeline::before {
            content: '';
            position: absolute;
            top: 10px;
            bottom: 10px;
            left: 11px;
            width: 2.5px;
            background: linear-gradient(to bottom, rgba(255,215,0,0.55), rgba(255,215,0,0.18));
            border-radius: 2px;
        }
        
        .step-item {
            position: relative;
            padding-bottom: 32px;
            padding-left: 10px;
        }
        
        .step-item:last-child {
            padding-bottom: 0;
        }
        
        .step-dot {
            position: absolute;
            left: -28px;
            top: 3px;
            width: 24px;
            height: 24px;
            background: var(--emerald-deep);
            border: 2.5px solid var(--gold-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.72rem;
            color: var(--gold-accent);
            z-index: 2;
        }
        
        .step-item.completed .step-dot {
            background: var(--gold-accent);
            color: #0A2E1C;
            border-color: var(--gold-accent);
        }
        
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        
        .step-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-card-hover);
        }
        
        .step-title {
            font-weight: 700;
            font-size: 1.08rem;
            color: var(--text-white);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .step-desc {
            font-size: 0.92rem;
            color: var(--text-soft);
            line-height: 1.65;
            margin-bottom: 0;
        }
        
        /* ============ FEATURE CARDS ============ */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--gold-accent), var(--lucky-orange));
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
            border-color: var(--border-gold);
            box-shadow: var(--shadow-card-hover);
        }
        
        .feature-card:hover::before {
            opacity: 1;
        }
        
        .feature-icon {
            width: 48px;
            height: 48px;
            background: rgba(255,215,0,0.12);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--gold-accent);
            font-size: 1.35rem;
        }
        
        .feature-title {
            font-weight: 700;
            font-size: 1.08rem;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        
        .feature-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }
        
        /* ============ SECURITY / GUARANTEE BAR ============ */
        .guarantee-bar {
            background: rgba(18,62,37,0.88);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 26px 30px;
            margin-top: 36px;
        }
        
        .guarantee-bar-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        
        .guarantee-cell {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 0;
            border-right: 1px solid var(--border-glass);
        }
        
        .guarantee-cell:last-child {
            border-right: none;
        }
        
        .guarantee-cell i {
            color: var(--gold-accent);
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        
        .guarantee-cell .gc-title {
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text-white);
            margin-bottom: 2px;
        }
        
        .guarantee-cell .gc-desc {
            font-size: 0.79rem;
            color: var(--text-muted);
        }
        
        /* ============ FAQ ============ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-base);
        }
        
        .faq-item:hover {
            border-color: var(--border-gold);
        }
        
        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            cursor: pointer;
            text-align: left;
            transition: color var(--transition-base);
        }
        
        .faq-question:hover {
            color: var(--gold-accent);
        }
        
        .faq-question .faq-toggle-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: rgba(255,215,0,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-accent);
            font-size: 0.8rem;
            transition: transform var(--transition-base);
        }
        
        .faq-item.open .faq-toggle-icon {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.38s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        
        .faq-item.open .faq-answer {
            max-height: 320px;
        }
        
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.92rem;
            color: var(--text-soft);
            line-height: 1.7;
        }
        
        /* ============ CTA SECTION ============ */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(140deg, #0A2E1C 0%, #1B5E3F 60%, #123E25 100%);
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 680px;
            height: 680px;
            background: radial-gradient(circle, rgba(255,215,0,0.10) 0%, transparent 65%);
            pointer-events: none;
        }
        
        .cta-panel {
            background: rgba(18,62,37,0.9);
            border: 1.5px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 46px 50px;
            text-align: center;
            position: relative;
            z-index: 1;
            box-shadow: 0 24px 60px rgba(0,0,0,0.35);
        }
        
        .cta-title {
            font-size: 2rem;
            font-weight: 900;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        
        .cta-desc {
            font-size: 1.05rem;
            color: var(--text-soft);
            max-width: 580px;
            margin: 0 auto 28px;
            line-height: 1.65;
        }
        
        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }
        
        /* ============ FOOTER ============ */
        .site-footer {
            background: #081F14;
            border-top: 2px solid var(--border-gold);
            padding: 56px 0 0;
            margin-top: auto;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
        }
        
        .footer-brand .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--gold-accent);
            margin-bottom: 12px;
        }
        
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.89rem;
            line-height: 1.7;
            margin-bottom: 18px;
        }
        
        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        
        .footer-badge {
            background: rgba(255,215,0,0.1);
            border: 1px solid var(--border-gold);
            color: var(--gold-accent);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }
        
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        
        .footer-col ul a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: color var(--transition-base);
        }
        
        .footer-col ul a:hover {
            color: var(--gold-accent);
        }
        
        .footer-bottom {
            border-top: 1px solid var(--border-glass);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }
        
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.82rem;
            margin: 0;
        }
        
        .footer-links {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }
        
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.82rem;
            transition: color var(--transition-base);
        }
        
        .footer-links a:hover {
            color: var(--gold-accent);
        }
        
        /* ============ FAB ============ */
        .fab-live-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1060;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1C1C1E 0%, #0A2E1C 70%);
            border: 2.5px solid var(--gold-accent);
            box-shadow: 0 4px 20px rgba(255,215,0,0.3), 0 8px 28px rgba(0,0,0,0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-accent);
            font-size: 1.25rem;
            cursor: pointer;
            opacity: 0.7;
            transition: opacity var(--transition-base), transform var(--transition-bounce), box-shadow var(--transition-base);
            animation: fabBreathe 3.2s ease-in-out infinite;
            border-radius: 50%;
        }
        
        .fab-live-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255,215,0,0.55), 0 12px 40px rgba(0,0,0,0.5);
        }
        
        .fab-live-support:active {
            transform: scale(0.95) translateY(2px);
        }
        
        .fab-live-support::after {
            content: '';
            position: absolute;
            top: 3px;
            right: 3px;
            width: 12px;
            height: 12px;
            background: #D32F2F;
            border: 2px solid #fff;
            border-radius: 50%;
            animation: fabDotBlink 1.6s ease-in-out infinite;
        }
        
        @keyframes fabBreathe {
            0%, 100% { transform: translateY(0); opacity: 0.7; }
            50% { transform: translateY(-4px); opacity: 0.9; }
        }
        
        @keyframes fabDotBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-title { font-size: 2.3rem; }
            .feature-grid { grid-template-columns: repeat(2, 1fr); }
            .guarantee-bar-grid { grid-template-columns: repeat(2, 1fr); }
            .guarantee-cell { border-right: none; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10,46,28,0.97);
                border-bottom: 1px solid var(--border-gold);
                padding: 16px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                box-shadow: 0 16px 40px rgba(0,0,0,0.5);
            }
            
            .main-nav.show {
                display: flex;
            }
            
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: 10px;
            }
            
            .main-nav a.active::after {
                display: none;
            }
            
            .navbar-toggler-custom {
                display: inline-flex;
            }
            
            .nav-actions {
                gap: 6px;
            }
            
            .btn-nav-login {
                font-size: 0.82rem;
                padding: 8px 12px;
            }
            
            .btn-nav-signup {
                font-size: 0.82rem;
                padding: 8px 16px;
            }
            
            .hero-section {
                padding: 44px 0 36px;
            }
            
            .hero-title {
                font-size: 2rem;
            }
            
            .hero-subtitle {
                font-size: 1rem;
            }
            
            .hero-visual-wrap {
                max-width: 100%;
                margin-top: 26px;
            }
            
            .feature-grid {
                grid-template-columns: 1fr;
            }
            
            .promo-order-1 {
                order: 1;
            }
            .promo-order-2 {
                order: 2;
            }
            
            .promo-grid {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .guarantee-bar-grid {
                grid-template-columns: 1fr;
            }
            
            .guarantee-cell {
                border-right: none;
                border-bottom: 1px solid var(--border-glass);
                padding-bottom: 14px;
            }
            
            .guarantee-cell:last-child {
                border-bottom: none;
                padding-bottom: 0;
            }
            
            .cta-panel {
                padding: 32px 22px;
            }
            
            .cta-title {
                font-size: 1.6rem;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 26px;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            
            .fab-live-support {
                width: 52px;
                height: 52px;
                font-size: 1.1rem;
                left: 12px;
                bottom: 80px;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            
            .hero-title {
                font-size: 1.72rem;
            }
            
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                justify-content: center;
                font-size: 1rem;
                padding: 14px 20px;
            }
            
            .hero-trust-strip {
                gap: 12px;
            }
            
            .section-title {
                font-size: 1.62rem;
            }
            
            .steps-timeline {
                padding-left: 22px;
            }
            
            .steps-timeline::before {
                left: 8px;
            }
            
            .step-dot {
                left: -22px;
                width: 20px;
                height: 20px;
                font-size: 0.65rem;
                border-width: 2px;
            }
            
            .step-item {
                padding-left: 6px;
            }
            
            .feature-card {
                padding: 20px 16px;
            }
            
            .faq-question {
                font-size: 0.92rem;
                padding: 15px 16px;
            }
            
            .faq-answer-inner {
                padding: 0 16px 16px;
            }
            
            .brand-logo .brand-text {
                font-size: 1rem;
            }
            
            .brand-logo .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 18px;
            }
        }