/* roulang page: index */
:root {
            --primary-bg: #0B3C25;
            --secondary-bg: #062315;
            --accent-gold: #FFD700;
            --accent-lime: #32CD32;
            --text-white: #FFFDF0;
            --text-light: #C5E2D2;
            --border-subtle: rgba(255, 215, 0, 0.25);
            --shadow-gold: 0 8px 24px rgba(255, 215, 0, 0.15);
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
            --spacing-section: 4rem;
            --spacing-card: 1.5rem;
        }

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

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

        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color 0.2s ease, opacity 0.2s ease;
        }

        a:hover {
            color: var(--accent-lime);
            text-decoration: none;
        }

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

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

        .container {
            max-width: 1240px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-pad {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

        .section-title {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: -0.02em;
            margin-bottom: 0.5rem;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .text-gold {
            color: var(--accent-gold);
        }

        .text-lime {
            color: var(--accent-lime);
        }

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

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

        .btn-gold {
            background-color: var(--accent-gold);
            color: var(--secondary-bg);
            border: 2px solid var(--accent-gold);
            padding: 0.6rem 1.4rem;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.25s ease;
        }

        .btn-gold:hover {
            background-color: transparent;
            color: var(--accent-gold);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        .btn-outline-gold {
            background-color: transparent;
            color: var(--accent-gold);
            border: 2px solid var(--accent-gold);
            padding: 0.6rem 1.4rem;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.25s ease;
        }

        .btn-outline-gold:hover {
            background-color: var(--accent-gold);
            color: var(--secondary-bg);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        /* Navbar */
        .navbar-lucky {
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1030;
        }

        .navbar-lucky .navbar-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--accent-gold);
            letter-spacing: -0.01em;
        }

        .navbar-lucky .navbar-brand:hover {
            color: var(--accent-lime);
        }

        .navbar-lucky .nav-link {
            color: var(--text-light);
            font-weight: 500;
            margin: 0 0.6rem;
            padding: 0.5rem 0.8rem;
            border-radius: 20px;
            transition: all 0.2s ease;
        }

        .navbar-lucky .nav-link:hover,
        .navbar-lucky .nav-link.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .navbar-lucky .btn-gold {
            padding: 0.45rem 1.2rem;
            font-size: 0.9rem;
        }

        /* Hero */
        .hero-lucky {
            background: linear-gradient(135deg, rgba(11, 60, 37, 0.9) 0%, rgba(6, 35, 21, 0.98) 100%),
                        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            position: relative;
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-lucky h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 1.2rem;
        }

        .hero-lucky .hero-desc {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-subtle);
            color: var(--accent-gold);
            padding: 0.3rem 0.9rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        /* Cards */
        .card-lucky {
            background: rgba(11, 60, 37, 0.6);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: var(--spacing-card);
            transition: all 0.3s ease;
            height: 100%;
        }

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

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }

        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }

        .card-text {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.65;
        }

        .badge-lucky {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            border: 1px solid var(--border-subtle);
            font-weight: 600;
            border-radius: 20px;
            padding: 0.3rem 0.7rem;
            font-size: 0.8rem;
        }

        /* Data bar */
        .data-board {
            background: rgba(11, 60, 37, 0.7);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
        }

        .data-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
        }

        .data-label {
            font-size: 0.9rem;
            color: var(--text-light);
        }

        /* List group */
        .list-lucky {
            list-style: none;
            padding: 0;
        }

        .list-lucky li {
            padding: 0.8rem 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.95rem;
        }

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

        .list-lucky i {
            color: var(--accent-gold);
            width: 20px;
            text-align: center;
        }

        /* Ranking table */
        .rank-table {
            width: 100%;
            border-collapse: collapse;
        }

        .rank-table th {
            text-align: left;
            padding: 0.7rem 0.5rem;
            font-size: 0.85rem;
            color: var(--accent-gold);
            border-bottom: 2px solid var(--border-subtle);
            font-weight: 600;
        }

        .rank-table td {
            padding: 0.7rem 0.5rem;
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
            font-size: 0.9rem;
            color: var(--text-light);
        }

        .rank-table tr:hover td {
            background: rgba(255, 215, 0, 0.04);
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 1.5rem;
            border-left: 2px solid var(--accent-gold);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 1.5rem;
            padding-left: 1rem;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -1.65rem;
            top: 0.4rem;
            width: 12px;
            height: 12px;
            background: var(--accent-gold);
            border-radius: 50%;
            border: 2px solid var(--secondary-bg);
        }

        .timeline-time {
            font-size: 0.8rem;
            color: var(--accent-lime);
            font-weight: 600;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
            padding: 1rem 0;
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }

        .faq-answer {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* Footer */
        .footer-lucky {
            background: var(--secondary-bg);
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding-top: 2.5rem;
            padding-bottom: 1.5rem;
        }

        .footer-lucky .footer-brand {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent-gold);
        }

        .footer-lucky p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        .footer-lucky a {
            color: var(--text-light);
        }

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

        /* FAB */
        .fab-lucky {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--secondary-bg);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all 0.3s ease;
            animation: floatY 3s infinite ease-in-out;
        }

        .fab-lucky:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
            color: var(--accent-lime);
        }

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

        /* Responsive */
        @media (max-width: 992px) {
            .hero-lucky h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .hero-lucky {
                min-height: 360px;
            }
            .hero-lucky h1 {
                font-size: 1.9rem;
            }
            .navbar-lucky .nav-link {
                margin: 0.2rem 0;
            }
            .section-pad {
                padding-top: 2.5rem;
                padding-bottom: 2.5rem;
            }
            .data-number {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-lucky h1 {
                font-size: 1.6rem;
            }
            .btn-gold,
            .btn-outline-gold {
                padding: 0.5rem 1rem;
                font-size: 0.85rem;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A0A0A;
            --bg-secondary: #111111;
            --bg-card: #161616;
            --bg-elevated: #1C1C1E;
            --gold: #D4AF37;
            --gold-bright: #FFD700;
            --gold-soft: #C5A059;
            --platinum: #E5E8E8;
            --text-primary: #F5F5F7;
            --text-secondary: #D5D8DC;
            --text-muted: #9A9A9A;
            --border-subtle: rgba(212, 175, 55, 0.15);
            --border-gold: rgba(212, 175, 55, 0.4);
            --border-strong: rgba(212, 175, 55, 0.7);
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 8px 32px rgba(212, 175, 55, 0.12);
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.5);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-primary: 'Be Vietnam Pro', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

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

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

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

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

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

        .container {
            max-width: 1200px;
        }

        /* NAVIGATION */
        .navbar-lucky {
            background: rgba(10, 10, 10, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: all var(--transition-smooth);
        }

        .navbar-lucky.scrolled {
            box-shadow: var(--shadow-sm);
            background: rgba(10, 10, 10, 0.98);
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--gold-bright);
            letter-spacing: -0.02em;
            white-space: normal;
            line-height: 1.3;
        }

        .navbar-brand:hover {
            color: var(--gold-bright);
        }

        .navbar-lucky .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .navbar-lucky .nav-link:hover {
            color: var(--gold-bright);
            background: rgba(212, 175, 55, 0.08);
        }

        .navbar-lucky .nav-link.active {
            color: var(--gold-bright);
            background: rgba(212, 175, 55, 0.12);
            font-weight: 600;
        }

        .btn-gold {
            display: inline-block;
            background: linear-gradient(135deg, var(--gold-bright), var(--gold-soft));
            color: #0A0A0A;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.7rem 1.6rem;
            border-radius: 50px;
            border: none;
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-gold:hover {
            color: #0A0A0A;
            background: linear-gradient(135deg, #FFE55C, #E0C050);
            box-shadow: 0 4px 20px rgba(212, 175, 55, 0.4);
            transform: translateY(-2px);
        }

        .navbar-toggler {
            border-color: var(--border-gold);
            padding: 0.4rem 0.7rem;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.3);
            outline: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23D4AF37' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ARTICLE HERO */
        .article-hero {
            background: linear-gradient(180deg, #0A0A0A 0%, #111111 60%, #0A0A0A 100%);
            padding: 4rem 0 3rem;
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(212, 175, 55, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .article-breadcrumb {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

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

        .article-breadcrumb .separator {
            color: var(--text-muted);
        }

        .article-breadcrumb .current {
            color: var(--text-secondary);
        }

        .article-category-badge {
            display: inline-block;
            background: rgba(212, 175, 55, 0.12);
            color: var(--gold-bright);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.4rem 1rem;
            border-radius: 50px;
            border: 1px solid var(--border-gold);
            margin-bottom: 1.2rem;
            letter-spacing: 0.02em;
        }

        .article-title {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            color: var(--text-muted);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

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

        /* ARTICLE CONTENT */
        .article-content-wrapper {
            padding: 3rem 0 4rem;
            background: var(--bg-primary);
        }

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

        .article-content h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
            position: relative;
            padding-left: 1.2rem;
        }

        .article-content h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.35em;
            bottom: 0.35em;
            width: 4px;
            background: linear-gradient(180deg, var(--gold-bright), var(--gold-soft));
            border-radius: 2px;
        }

        .article-content h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }

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

        .article-content ul,
        .article-content ol {
            margin-bottom: 1.5rem;
            padding-left: 1.8rem;
        }

        .article-content li {
            margin-bottom: 0.6rem;
        }

        .article-content ul li::marker {
            color: var(--gold-soft);
        }

        .article-content ol li::marker {
            color: var(--gold-soft);
            font-weight: 600;
        }

        .article-content blockquote {
            border-left: 4px solid var(--gold-soft);
            background: rgba(212, 175, 55, 0.06);
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--text-primary);
            font-size: 1.1rem;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 2rem 0;
            box-shadow: var(--shadow-card);
        }

        .article-content table {
            width: 100%;
            margin: 2rem 0;
            border-collapse: collapse;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .article-content table th {
            background: var(--bg-elevated);
            color: var(--gold-bright);
            font-weight: 600;
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid var(--border-subtle);
        }

        .article-content table td {
            padding: 0.8rem 1rem;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
        }

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

        .article-content strong {
            color: var(--text-primary);
            font-weight: 600;
        }

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

        .article-content a:hover {
            color: var(--gold-soft);
        }

        /* ARTICLE NOT FOUND */
        .article-not-found {
            text-align: center;
            padding: 5rem 0;
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
        }

        .article-not-found i {
            font-size: 4rem;
            color: var(--gold-soft);
            margin-bottom: 1.5rem;
            display: block;
        }

        .article-not-found h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 2rem;
        }

        /* ARTICLE CTA */
        .article-cta {
            background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 3rem;
            margin-top: 3rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .article-cta::before {
            content: '';
            position: absolute;
            top: -40%;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .article-cta h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            position: relative;
        }

        .article-cta p {
            color: var(--text-secondary);
            margin-bottom: 2rem;
            position: relative;
        }

        .article-cta .btn-gold {
            font-size: 1rem;
            padding: 0.9rem 2.2rem;
            position: relative;
        }

        /* ARTICLE SIDEBAR */
        .article-sidebar {
            position: sticky;
            top: 100px;
        }

        .sidebar-widget {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            margin-bottom: 2rem;
        }

        .sidebar-widget h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--gold-bright);
            margin-bottom: 1.2rem;
            letter-spacing: -0.01em;
        }

        .sidebar-widget ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-widget ul li {
            margin-bottom: 0.8rem;
        }

        .sidebar-widget ul li a {
            color: var(--text-secondary);
            font-size: 0.95rem;
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            transition: all var(--transition-fast);
        }

        .sidebar-widget ul li a:hover {
            color: var(--gold-bright);
        }

        .sidebar-widget ul li a i {
            color: var(--gold-soft);
            font-size: 0.7rem;
            margin-top: 0.4rem;
            flex-shrink: 0;
        }

        /* FAB */
        .fab-lucky {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 1050;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1C1C1E, #0A0A0A);
            border: 2px solid var(--gold-bright);
            color: var(--gold-bright);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all var(--transition-smooth);
            opacity: 0.7;
            animation: floatBreath 3s ease-in-out infinite;
            text-decoration: none;
        }

        .fab-lucky:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
            color: var(--gold-bright);
        }

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

        .fab-lucky .notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #0A0A0A;
            animation: blinkDot 1.5s ease-in-out infinite;
        }

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

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

        /* FOOTER */
        .footer-lucky {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 4rem 0 2rem;
            color: var(--text-secondary);
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--gold-bright);
            letter-spacing: -0.01em;
        }

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

        .footer-lucky .card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--gold-bright);
            letter-spacing: 0.02em;
        }

        .footer-lucky ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

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

        .footer-lucky .border-gold-subtle {
            border-color: var(--border-subtle) !important;
        }

        .footer-lucky i {
            color: var(--gold-soft);
        }

        /* RESPONSIVE */
        @media (max-width: 992px) {
            .article-title {
                font-size: 2rem;
            }

            .article-sidebar {
                position: static;
                margin-top: 3rem;
            }

            .navbar-brand {
                font-size: 1.05rem;
            }

            .article-cta {
                padding: 2rem;
            }
        }

        @media (max-width: 768px) {
            .article-hero {
                padding: 2.5rem 0 2rem;
            }

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

            .article-content {
                font-size: 1rem;
            }

            .article-content h2 {
                font-size: 1.4rem;
            }

            .article-content h3 {
                font-size: 1.2rem;
            }

            .article-content blockquote {
                padding: 1.2rem 1.5rem;
                font-size: 1rem;
            }

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

            .navbar-lucky {
                padding: 0.8rem 0;
            }

            .navbar-lucky .nav-link {
                padding: 0.5rem 0;
            }

            .navbar-collapse {
                background: var(--bg-secondary);
                border-radius: var(--radius-md);
                padding: 1rem;
                margin-top: 0.8rem;
                border: 1px solid var(--border-subtle);
            }

            .navbar-lucky .btn-gold {
                margin-top: 0.8rem;
                display: block;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .article-title {
                font-size: 1.4rem;
            }

            .article-meta {
                gap: 0.8rem;
                font-size: 0.8rem;
                flex-direction: column;
                align-items: flex-start;
            }

            .article-cta {
                padding: 1.5rem;
            }

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

            .fab-lucky {
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
                left: 1rem;
                bottom: 5rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-card: #1A1A1A;
            --gold-bright: #C5A059;
            --gold-deep: #FFBF00;
            --gold-muted: #D4AC0D;
            --text-primary: #F5F5F7;
            --text-secondary: #D5D8DC;
            --text-muted: #A6ACAF;
            --border-gold: rgba(197, 160, 89, 0.35);
            --border-gold-subtle: rgba(197, 160, 89, 0.15);
            --shadow-gold: 0 8px 32px rgba(197, 160, 89, 0.12);
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 96px;
            --spacing-section-mobile: 56px;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            overflow-x: hidden;
        }

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

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== NAVBAR ===== */
        .navbar-lucky {
            background-color: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-gold-subtle);
            padding: 16px 0;
            transition: var(--transition);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .navbar-lucky .navbar-brand {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--gold-deep);
            letter-spacing: 0.02em;
            transition: var(--transition);
        }

        .navbar-lucky .navbar-brand:hover {
            color: var(--gold-bright);
            text-shadow: 0 0 20px rgba(197, 160, 89, 0.4);
        }

        .navbar-lucky .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
        }

        .navbar-lucky .nav-link:hover {
            color: var(--gold-deep);
            background-color: rgba(197, 160, 89, 0.08);
        }

        .navbar-lucky .nav-link.active {
            color: var(--gold-deep);
            background-color: rgba(197, 160, 89, 0.12);
            font-weight: 600;
        }

        .navbar-lucky .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background-color: var(--gold-deep);
            border-radius: 2px;
        }

        .navbar-lucky .navbar-toggler {
            border: 1px solid var(--border-gold);
            padding: 8px 10px;
            border-radius: 8px;
        }

        .navbar-lucky .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.2);
            border-color: var(--gold-bright);
        }

        .navbar-lucky .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28197,160,89,1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--gold-bright) 0%, var(--gold-deep) 50%, var(--gold-muted) 100%);
            color: #121212;
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            border-radius: 50px;
            letter-spacing: 0.03em;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-gold:hover {
            color: #121212;
            background: linear-gradient(135deg, var(--gold-deep) 0%, var(--gold-bright) 50%, var(--gold-deep) 100%);
            box-shadow: 0 8px 24px rgba(197, 160, 89, 0.35);
            transform: translateY(-2px);
        }

        .btn-gold:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(197, 160, 89, 0.25);
        }

        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            background: transparent;
            color: var(--gold-deep);
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            letter-spacing: 0.03em;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-outline-gold:hover {
            color: #121212;
            background-color: var(--gold-deep);
            border-color: var(--gold-deep);
            box-shadow: 0 8px 24px rgba(197, 160, 89, 0.25);
            transform: translateY(-2px);
        }

        /* ===== HERO ===== */
        .hero-category {
            padding: 72px 0 64px;
            background: radial-gradient(ellipse at 30% 20%, rgba(197, 160, 89, 0.08) 0%, transparent 60%),
                        radial-gradient(ellipse at 80% 80%, rgba(255, 191, 0, 0.06) 0%, transparent 50%),
                        var(--bg-primary);
            position: relative;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(197, 160, 89, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background-color: rgba(197, 160, 89, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--gold-deep);
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

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

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 24px;
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .hero-meta-item i {
            color: var(--gold-deep);
            font-size: 1rem;
        }

        .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-gold-subtle);
        }

        .hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 400px;
        }

        .hero-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px 32px;
            background: linear-gradient(to top, rgba(18, 18, 18, 0.9) 0%, transparent 100%);
        }

        .hero-image-overlay .tag {
            display: inline-block;
            padding: 4px 14px;
            background-color: var(--gold-deep);
            color: #121212;
            font-weight: 700;
            font-size: 0.75rem;
            border-radius: 50px;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .hero-image-overlay h4 {
            color: var(--text-primary);
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 6px;
        }

        .hero-image-overlay p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 0;
        }

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

        .section-sm {
            padding: 64px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
            text-align: left;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 40px;
            text-align: left;
        }

        .divider-gold {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--gold-bright), var(--gold-deep));
            border-radius: 3px;
            margin-bottom: 16px;
        }

        /* ===== FEATURE CARDS ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold-subtle);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

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

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

        .feature-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: rgba(197, 160, 89, 0.1);
            border-radius: 12px;
            margin-bottom: 16px;
            font-size: 1.3rem;
            color: var(--gold-deep);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ===== CONTENT BLOCK ===== */
        .content-block {
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .content-block.reverse {
            flex-direction: row-reverse;
        }

        .content-block-image {
            flex: 1;
            min-width: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-gold-subtle);
        }

        .content-block-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 380px;
        }

        .content-block-text {
            flex: 1;
            min-width: 0;
        }

        .content-block-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .content-block-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .check-list {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 6px 0;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .check-list li i {
            color: var(--gold-deep);
            font-size: 1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ===== TIMELINE ===== */
        .timeline {
            position: relative;
            padding-left: 32px;
            margin: 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--gold-bright), var(--gold-deep), transparent);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 32px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -29px;
            top: 6px;
            width: 14px;
            height: 14px;
            background-color: var(--gold-deep);
            border-radius: 50%;
            border: 3px solid var(--bg-primary);
            box-shadow: 0 0 0 2px var(--gold-bright);
        }

        .timeline-item .step-label {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--gold-deep);
            letter-spacing: 0.06em;
            margin-bottom: 6px;
            text-transform: uppercase;
        }

        .timeline-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .timeline-item p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ===== STATS ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 48px;
        }

        .stat-item {
            text-align: center;
            padding: 24px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-gold-subtle);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

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

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--gold-bright), var(--gold-deep));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 4px;
        }

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

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            transition: var(--transition);
            overflow: hidden;
        }

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

        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            transition: var(--transition);
            user-select: none;
        }

        .faq-question i {
            color: var(--gold-deep);
            transition: var(--transition);
            font-size: 0.9rem;
            flex-shrink: 0;
            margin-left: 16px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(197, 160, 89, 0.1) 0%, transparent 70%),
                        var(--bg-secondary);
            border-top: 1px solid var(--border-gold-subtle);
            border-bottom: 1px solid var(--border-gold-subtle);
        }

        .cta-box {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

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

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

        /* ===== FOOTER ===== */
        .footer-lucky {
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--border-gold-subtle);
            padding: 64px 0 32px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--gold-deep);
            margin-bottom: 16px;
        }

        .footer-lucky p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

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

        .footer-lucky ul {
            margin: 0;
            padding: 0;
        }

        .footer-lucky ul li a {
            color: var(--text-muted);
            font-size: 0.92rem;
            transition: var(--transition);
        }

        .footer-lucky ul li a:hover {
            color: var(--gold-deep);
            padding-left: 4px;
        }

        .footer-lucky .border-gold-subtle {
            border-color: var(--border-gold-subtle) !important;
        }

        .footer-lucky .text-center p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* ===== FAB ===== */
        .fab-lucky {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--gold-bright);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.3);
            opacity: 0.7;
            animation: fabFloat 3s ease-in-out infinite;
        }

        .fab-lucky i {
            font-size: 1.4rem;
            color: var(--gold-deep);
            transition: var(--transition);
        }

        .fab-lucky:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(197, 160, 89, 0.5);
        }

        .fab-lucky:hover i {
            transform: rotate(360deg);
            transition: transform 0.6s ease;
        }

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

        .fab-lucky .notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background-color: #ff3b3b;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: dotBlink 1.5s ease-in-out infinite;
        }

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

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

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.4rem;
            }

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

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

            .content-block {
                gap: 32px;
            }

            .content-block-image img {
                min-height: 300px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
            }

            .navbar-lucky {
                padding: 12px 0;
            }

            .navbar-lucky .navbar-brand {
                font-size: 1.05rem;
            }

            .navbar-lucky .nav-link {
                padding: 10px 12px !important;
                font-size: 0.9rem;
            }

            .hero-category {
                padding: 48px 0 40px;
            }

            .hero-title {
                font-size: 1.9rem;
                line-height: 1.25;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .hero-image-wrap img {
                min-height: 280px;
            }

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

            .section-desc {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }

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

            .content-block {
                flex-direction: column;
                gap: 24px;
            }

            .content-block.reverse {
                flex-direction: column;
            }

            .content-block-image img {
                min-height: 240px;
            }

            .content-block-text h3 {
                font-size: 1.35rem;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
                margin-top: 32px;
            }

            .stat-number {
                font-size: 1.7rem;
            }

            .stat-item {
                padding: 16px 12px;
            }

            .cta-box h2 {
                font-size: 1.7rem;
            }

            .cta-box p {
                font-size: 1rem;
            }

            .footer-lucky {
                padding: 48px 0 24px;
            }

            .fab-lucky {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }

            .fab-lucky i {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

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

            .hero-meta {
                gap: 16px;
                flex-direction: column;
            }

            .hero-meta-item {
                font-size: 0.85rem;
            }

            .hero-image-overlay {
                padding: 24px 20px;
            }

            .hero-image-overlay h4 {
                font-size: 1.1rem;
            }

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

            .feature-card {
                padding: 20px 18px;
            }

            .feature-card h3 {
                font-size: 1.05rem;
            }

            .timeline {
                padding-left: 24px;
            }

            .timeline-item::before {
                left: -21px;
                width: 12px;
                height: 12px;
            }

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

            .cta-box .btn-group {
                flex-direction: column;
                align-items: center;
            }

            .btn-gold,
            .btn-outline-gold {
                width: 100%;
                max-width: 280px;
            }
        }

/* roulang page: category2 */
:root {
            --color-bg: #0A0A0A;
            --color-bg-secondary: #111111;
            --color-surface: #161616;
            --color-surface-hover: #1E1E1E;
            --color-gold: #D4AF37;
            --color-gold-light: #F0D68A;
            --color-gold-dark: #B8941F;
            --color-champagne: #F7E7B4;
            --color-white: #FFFFFF;
            --color-text: #EDEDED;
            --color-text-muted: #A8A8A8;
            --color-border: #2A2A2A;
            --color-border-gold: rgba(212, 175, 55, 0.3);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-gold: 0 4px 18px rgba(212,175,55,0.15);
            --font-serif: 'Playfair Display', Georgia, serif;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-white);
            margin-bottom: 1rem;
        }

        h1 {
            font-size: 3rem;
            font-family: var(--font-serif);
            letter-spacing: -0.5px;
        }

        h2 {
            font-size: 2.2rem;
            letter-spacing: -0.3px;
        }

        h3 {
            font-size: 1.4rem;
        }

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

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

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

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

        .container {
            max-width: 1140px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== NAVBAR ===== */
        .navbar-lucky {
            background-color: rgba(10, 10, 10, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
            padding: 16px 0;
            transition: var(--transition);
        }

        .navbar-lucky .navbar-brand {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: -0.2px;
            transition: var(--transition);
        }

        .navbar-lucky .navbar-brand:hover {
            color: var(--color-gold-light);
        }

        .navbar-lucky .nav-link {
            color: var(--color-text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 18px !important;
            border-radius: 50px;
            transition: var(--transition);
            margin: 0 2px;
        }

        .navbar-lucky .nav-link:hover {
            color: var(--color-gold);
            background-color: rgba(212, 175, 55, 0.08);
        }

        .navbar-lucky .nav-link.active {
            color: var(--color-gold);
            background-color: rgba(212, 175, 55, 0.12);
            font-weight: 600;
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
            color: #0A0A0A;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 50px;
            border: none;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            transition: var(--transition);
            text-decoration: none;
            display: inline-block;
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
            color: #0A0A0A;
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        .btn-outline-gold {
            background: transparent;
            color: var(--color-gold);
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 50px;
            border: 1px solid var(--color-gold);
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            transition: var(--transition);
            text-decoration: none;
            display: inline-block;
        }

        .btn-outline-gold:hover {
            background-color: rgba(212, 175, 55, 0.1);
            color: var(--color-gold-light);
            border-color: var(--color-gold-light);
            transform: translateY(-2px);
        }

        .navbar-toggler {
            border-color: var(--color-border);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
            outline: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28212, 175, 55, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== HERO SECTION ===== */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #0A0A0A 0%, #161616 40%, #1A1A1A 100%);
            padding: 100px 0 80px;
            overflow: hidden;
            border-bottom: 1px solid var(--color-border);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 175, 55, 0.12);
            color: var(--color-gold);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            border: 1px solid var(--color-border-gold);
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }

        .hero-section h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .hero-section .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-muted);
            max-width: 580px;
            margin-bottom: 30px;
            line-height: 1.7;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-gold);
            box-shadow: var(--shadow-md);
            background: var(--color-surface);
        }

        .hero-visual img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .hero-visual::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(10,10,10,0.8) 0%, transparent 100%);
            pointer-events: none;
        }

        /* ===== SECTION COMMON ===== */
        .section-padding {
            padding: 80px 0;
        }

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

        .section-header h2 {
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 1.05rem;
            max-width: 700px;
        }

        .text-gold {
            color: var(--color-gold);
        }

        .divider-gold {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--color-gold) 0%, transparent 100%);
            margin-bottom: 20px;
            border-radius: 2px;
        }

        /* ===== PAIN POINT / SOLUTION CARDS ===== */
        .pain-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 30px;
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

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

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

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

        .pain-card .icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            color: var(--color-gold);
            font-size: 1.3rem;
        }

        .pain-card h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
        }

        .pain-card p {
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ===== PROCESS STEPS ===== */
        .step-item {
            display: flex;
            gap: 20px;
            padding: 25px 0;
            border-bottom: 1px solid var(--color-border);
            transition: var(--transition);
        }

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

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.1);
            border: 1px solid var(--color-border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
        }

        .step-item:hover .step-number {
            background: var(--color-gold);
            color: #0A0A0A;
        }

        .step-content h3 {
            font-size: 1.15rem;
            margin-bottom: 6px;
        }

        .step-content p {
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ===== TESTIMONIAL ===== */
        .testimonial-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 30px;
            height: 100%;
            transition: var(--transition);
            position: relative;
        }

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

        .testimonial-card .quote-icon {
            color: var(--color-gold);
            font-size: 1.8rem;
            margin-bottom: 15px;
            opacity: 0.7;
        }

        .testimonial-card p {
            font-size: 0.95rem;
            font-style: italic;
            color: var(--color-text);
        }

        .testimonial-card .author {
            font-weight: 600;
            color: var(--color-gold);
            font-style: normal;
            font-size: 0.9rem;
        }

        .testimonial-card .role {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 20px 0;
        }

        .faq-item:first-child {
            padding-top: 0;
        }

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

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            padding: 10px 0;
            transition: var(--transition);
        }

        .faq-question h3 {
            font-size: 1.05rem;
            margin-bottom: 0;
            font-weight: 600;
            transition: var(--transition);
        }

        .faq-question:hover h3 {
            color: var(--color-gold);
        }

        .faq-question i {
            color: var(--color-gold);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .faq-answer.active {
            max-height: 500px;
        }

        .faq-answer p {
            padding: 10px 0 5px;
            font-size: 0.95rem;
            color: var(--color-text-muted);
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(135deg, #161616 0%, #1A1A1A 50%, #111111 100%);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--radius-lg);
            padding: 60px 50px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            margin-bottom: 15px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            margin-bottom: 25px;
        }

        /* ===== FOOTER ===== */
        .footer-lucky {
            background-color: #0A0A0A;
            border-top: 1px solid var(--color-border);
            padding: 60px 0 30px;
            margin-top: 60px;
        }

        .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-gold);
            margin-bottom: 10px;
        }

        .footer-lucky p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
        }

        .footer-lucky .card-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-white);
        }

        .footer-lucky ul li a {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .footer-lucky i {
            color: var(--color-gold);
        }

        .border-gold-subtle {
            border-color: var(--color-border-gold) !important;
        }

        /* ===== FAB ===== */
        .fab-lucky {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1A1A 0%, #0A0A0A 100%);
            border: 2px solid var(--color-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-size: 1.3rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(212, 175, 55, 0.25);
            animation: fabBreathing 3s ease-in-out infinite;
            text-decoration: none;
        }

        .fab-lucky:hover {
            transform: scale(1.1);
            color: var(--color-gold-light);
            box-shadow: 0 8px 30px rgba(212, 175, 55, 0.4);
            animation: none;
        }

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

        .fab-lucky .notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: #FF3B3B;
            border-radius: 50%;
            border: 2px solid #0A0A0A;
            animation: blinkDot 1.5s ease-in-out infinite;
        }

        @keyframes fabBreathing {
            0%, 100% {
                opacity: 0.75;
                transform: translateY(0);
            }
            50% {
                opacity: 1;
                transform: translateY(-6px);
            }
        }

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

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            h1 {
                font-size: 2.8rem;
            }

            .hero-section h1 {
                font-size: 2.8rem;
            }

            .cta-section {
                padding: 50px 35px;
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 60px 0;
            }

            h1 {
                font-size: 2.2rem;
            }

            h2 {
                font-size: 1.8rem;
            }

            .hero-section {
                padding: 70px 0 60px;
            }

            .hero-section h1 {
                font-size: 2.2rem;
            }

            .hero-section .hero-subtitle {
                font-size: 1rem;
            }

            .navbar-lucky .navbar-brand {
                font-size: 1.1rem;
            }

            .cta-section {
                padding: 40px 25px;
            }

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

            .step-item {
                flex-direction: column;
                gap: 12px;
            }

            .step-number {
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }

            .fab-lucky {
                width: 50px;
                height: 50px;
                font-size: 1.1rem;
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 15px;
                padding-right: 15px;
            }

            h1 {
                font-size: 1.9rem;
            }

            h2 {
                font-size: 1.5rem;
            }

            .hero-section h1 {
                font-size: 1.9rem;
            }

            .hero-section {
                padding: 55px 0 45px;
            }

            .section-padding {
                padding: 45px 0;
            }

            .btn-gold, .btn-outline-gold {
                padding: 8px 18px;
                font-size: 0.85rem;
            }

            .pain-card {
                padding: 20px;
            }

            .testimonial-card {
                padding: 20px;
            }

            .cta-section {
                padding: 30px 20px;
                border-radius: var(--radius-md);
            }

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