/* roulang page: index */
@import url('/assets/css/vendor/9723b7396f-css2.css');
        :root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-card: #242426;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A09B;
            --text-muted: #6B6560;
            --border-color: #2E2D2A;
            --font-heading: 'Playfair Display', serif;
            --font-body: 'Inter', sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }
        h1, h2, h3, h4 {
            font-family: var(--font-heading);
            font-weight: 600;
            line-height: 1.3;
        }
        .nav-link {
            position: relative;
            transition: color 0.3s ease;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--accent-gold);
            border-radius: 2px;
        }
        .btn-primary {
            background: linear-gradient(135deg, #B88633 0%, #D4A844 100%);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: #121212;
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: 6px;
            transition: all 0.3s ease;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 15px rgba(197, 160, 89, 0.2);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #D4A844 0%, #E5B84C 100%);
            box-shadow: 0 6px 20px rgba(197, 160, 89, 0.4);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 500;
            padding: 0.7rem 1.8rem;
            border-radius: 6px;
            transition: all 0.3s ease;
        }
        .btn-outline:hover {
            background: rgba(197, 160, 89, 0.1);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }
        .card-premium {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 2rem;
            transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            height: 100%;
        }
        .card-premium:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 15px 30px rgba(0,0,0,0.5), 0 0 0 1px rgba(197, 160, 89, 0.2);
            transform: translateY(-8px);
        }
        .gold-text {
            background: linear-gradient(135deg, #C5A059, #FFBF00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 1.5rem 0;
            cursor: pointer;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1.1rem;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .fab-container {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
        }
        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.4);
            transition: all 0.3s ease;
            animation: float 3s ease-in-out infinite;
        }
        .fab-btn:hover {
            transform: scale(1.15);
            background: var(--accent-gold);
            color: #121212;
            box-shadow: 0 6px 25px rgba(255, 191, 0, 0.7);
        }
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-6px); }
            100% { transform: translateY(0px); }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .mobile-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--bg-secondary);
                border-top: 1px solid var(--border-color);
                flex-direction: column;
                padding: 1rem 2rem;
                gap: 1rem;
            }
            .mobile-menu.active {
                display: flex;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-card: #242426;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A09B;
            --text-muted: #6B6560;
            --border-color: #2E2D2A;
            --font-heading: 'Playfair Display', serif;
            --font-body: 'Inter', sans-serif;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }
        .gold-text {
            color: var(--accent-gold);
        }
        .nav-link {
            position: relative;
            transition: color 0.3s ease;
        }
        .nav-link:hover,
        .nav-link.active {
            color: var(--accent-gold);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--accent-gold);
            border-radius: 2px;
        }
        .btn-primary {
            background: linear-gradient(135deg, #B88633 0%, #D4A844 100%);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: #121212;
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: 6px;
            transition: all 0.3s ease;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 15px rgba(197, 160, 89, 0.2);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #D4A844 0%, #E5B84C 100%);
            box-shadow: 0 6px 20px rgba(197, 160, 89, 0.4);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 500;
            padding: 0.7rem 1.8rem;
            border-radius: 6px;
            transition: all 0.3s ease;
            display: inline-block;
        }
        .btn-outline:hover {
            background: rgba(197, 160, 89, 0.1);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }
        .card-premium {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 2rem;
            transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            height: 100%;
        }
        .card-premium:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(197, 160, 89, 0.2);
            transform: translateY(-8px);
        }
        .article-content {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .article-content h2 {
            font-family: var(--font-heading);
            color: var(--accent-gold);
            font-size: 1.8rem;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
        }
        .article-content h3 {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1.3rem;
            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: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.5rem;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent-gold);
            background: var(--bg-secondary);
            padding: 1.2rem 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
            color: var(--text-primary);
            font-style: italic;
        }
        .article-content img {
            border-radius: 12px;
            max-width: 100%;
            height: auto;
            margin: 1.5rem 0;
        }
        .article-content a {
            color: var(--accent-amber);
            text-decoration: underline;
        }
        .article-content a:hover {
            color: var(--accent-gold);
        }
        .fab-container {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
        }
        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.4);
            transition: all 0.3s ease;
            animation: float 3s ease-in-out infinite;
            color: var(--accent-gold);
            font-size: 1.4rem;
        }
        .fab-btn:hover {
            transform: scale(1.15);
            background: var(--accent-gold);
            color: #121212;
            box-shadow: 0 6px 25px rgba(255, 191, 0, 0.7);
        }
        @keyframes float {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }
        .share-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            transition: all 0.3s ease;
            font-size: 0.9rem;
        }
        .share-btn:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }
        .tag-badge {
            display: inline-block;
            background: rgba(197, 160, 89, 0.1);
            color: var(--accent-gold);
            border: 1px solid rgba(197, 160, 89, 0.3);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            flex-direction: column;
            padding: 1rem 2rem;
            gap: 1rem;
            z-index: 49;
        }
        .mobile-menu.active {
            display: flex;
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

/* roulang page: category1 */
@import url('/assets/css/vendor/9723b7396f-css2.css');
        :root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-card: #242426;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A09B;
            --text-muted: #6B6560;
            --border-color: #2E2D2A;
            --font-heading: 'Playfair Display', serif;
            --font-body: 'Inter', sans-serif;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            padding-top: 80px;
        }
        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }
        .gold-text { color: var(--accent-gold); }
        .nav-link {
            position: relative;
            transition: color 0.3s ease;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--accent-gold);
            border-radius: 2px;
        }
        .btn-primary {
            background: linear-gradient(135deg, #B88633 0%, #D4A844 100%);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: #121212;
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: 6px;
            transition: all 0.3s ease;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 15px rgba(197, 160, 89, 0.2);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #D4A844 0%, #E5B84C 100%);
            box-shadow: 0 6px 20px rgba(197, 160, 89, 0.4);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 500;
            padding: 0.7rem 1.8rem;
            border-radius: 6px;
            transition: all 0.3s ease;
        }
        .btn-outline:hover {
            background: rgba(197, 160, 89, 0.1);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }
        .card-premium {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 2rem;
            transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            height: 100%;
        }
        .card-premium:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 15px 30px rgba(0,0,0,0.5), 0 0 0 1px rgba(197, 160, 89, 0.2);
            transform: translateY(-8px);
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 1.5rem 0;
            cursor: pointer;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1.1rem;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .fab-container {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
        }
        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.4);
            transition: all 0.3s ease;
            animation: float 3s ease-in-out infinite;
        }
        .fab-btn:hover {
            transform: scale(1.15);
            background: var(--accent-gold);
            color: #121212;
            box-shadow: 0 6px 25px rgba(255, 191, 0, 0.7);
        }
        .step-number {
            background: var(--accent-gold);
            color: #121212;
            font-weight: 700;
            font-size: 1.2rem;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            flex-shrink: 0;
        }
        .timeline-item {
            position: relative;
            padding-left: 2rem;
            border-left: 2px solid var(--border-color);
            margin-left: 1.5rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -9px;
            top: 0;
            width: 16px;
            height: 16px;
            background: var(--accent-gold);
            border-radius: 50%;
            border: 3px solid var(--bg-primary);
        }
        .highlight-bg {
            background: rgba(197, 160, 89, 0.08);
            border-radius: 8px;
            padding: 1.5rem;
        }
        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-8px); }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .mobile-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--bg-secondary);
                border-top: 1px solid var(--border-color);
                flex-direction: column;
                padding: 1rem 2rem;
                gap: 1rem;
            }
            .mobile-menu.active {
                display: flex;
            }
        }

/* roulang page: category2 */
@import url('/assets/css/vendor/9723b7396f-css2.css');
        :root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-card: #242426;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A09B;
            --text-muted: #6B6560;
            --border-color: #2E2D2A;
            --font-heading: 'Playfair Display', serif;
            --font-body: 'Inter', sans-serif;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }
        .nav-link {
            position: relative;
            transition: color 0.3s ease;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--accent-gold);
            border-radius: 2px;
        }
        .btn-primary {
            background: linear-gradient(135deg, #B88633 0%, #D4A844 100%);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: #121212;
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: 6px;
            transition: all 0.3s ease;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 15px rgba(197, 160, 89, 0.2);
            cursor: pointer;
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #D4A844 0%, #E5B84C 100%);
            box-shadow: 0 6px 20px rgba(197, 160, 89, 0.4);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 500;
            padding: 0.7rem 1.8rem;
            border-radius: 6px;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: rgba(197, 160, 89, 0.1);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }
        .card-premium {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 2rem;
            transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            height: 100%;
        }
        .card-premium:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 15px 30px rgba(0,0,0,0.5), 0 0 0 1px rgba(197, 160, 89, 0.2);
            transform: translateY(-8px);
        }
        .gold-text {
            color: var(--accent-gold);
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 1.5rem 0;
            cursor: pointer;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1.1rem;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item p {
            margin-top: 0.8rem;
            color: var(--text-secondary);
        }
        .fab-container {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
        }
        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.4);
            transition: all 0.3s ease;
            animation: float 3s ease-in-out infinite;
            color: var(--accent-gold);
            font-size: 1.5rem;
        }
        .fab-btn:hover {
            transform: scale(1.15);
            background: var(--accent-gold);
            color: #121212;
            box-shadow: 0 6px 25px rgba(255, 191, 0, 0.7);
        }
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .mobile-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--bg-secondary);
                border-top: 1px solid var(--border-color);
                flex-direction: column;
                padding: 1rem 2rem;
                gap: 1rem;
            }
            .mobile-menu.active {
                display: flex;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-card: #242426;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A09B;
            --text-muted: #6B6560;
            --border-color: #2E2D2A;
            --font-heading: 'Playfair Display', serif;
            --font-body: 'Inter', sans-serif;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            margin: 0;
            padding-top: 80px;
        }
        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }
        .nav-link {
            position: relative;
            transition: color 0.3s ease;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--accent-gold);
            border-radius: 2px;
        }
        .btn-primary {
            background: linear-gradient(135deg, #B88633 0%, #D4A844 100%);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: #121212;
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: 6px;
            transition: all 0.3s ease;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 15px rgba(197, 160, 89, 0.2);
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #D4A844 0%, #E5B84C 100%);
            box-shadow: 0 6px 20px rgba(197, 160, 89, 0.4);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 500;
            padding: 0.7rem 1.8rem;
            border-radius: 6px;
            transition: all 0.3s ease;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
        }
        .btn-outline:hover {
            background: rgba(197, 160, 89, 0.1);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }
        .card-premium {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 2rem;
            transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            height: 100%;
        }
        .card-premium:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 15px 30px rgba(0,0,0,0.5), 0 0 0 1px rgba(197, 160, 89, 0.2);
            transform: translateY(-8px);
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 1.5rem 0;
            cursor: pointer;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1.1rem;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
            cursor: pointer;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .fab-container {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
        }
        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.4);
            transition: all 0.3s ease;
            animation: float 3s ease-in-out infinite;
            cursor: pointer;
        }
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        .fab-btn:hover {
            transform: scale(1.15);
            background: var(--accent-gold);
            color: #121212;
            box-shadow: 0 6px 25px rgba(255, 191, 0, 0.7);
            animation: none;
        }
        .gold-text {
            color: var(--accent-gold);
        }
        .amber-text {
            color: var(--accent-amber);
        }
        .hero-bg {
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
        }
        .hero-bg::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background: linear-gradient(90deg, rgba(18,18,18,0.95) 0%, rgba(18,18,18,0.7) 50%, rgba(18,18,18,0.4) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .step-card {
            background: var(--bg-card);
            border-left: 4px solid var(--accent-gold);
            padding: 1.5rem 2rem;
            transition: all 0.3s ease;
            margin-bottom: 1.5rem;
        }
        .step-card:hover {
            background: #2A2A2E;
            border-left-width: 6px;
        }
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .mobile-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--bg-secondary);
                border-top: 1px solid var(--border-color);
                flex-direction: column;
                padding: 1rem 2rem;
                gap: 1rem;
            }
            .mobile-menu.active {
                display: flex;
            }
            .hero-bg::before {
                background: rgba(18,18,18,0.9);
            }
            body {
                padding-top: 70px;
            }
        }
        @media (max-width: 520px) {
            .step-card {
                padding: 1rem;
            }
        }

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

        :root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-card: #242426;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A09B;
            --text-muted: #6B6560;
            --border-color: #2E2D2A;
            --font-heading: 'Playfair Display', serif;
            --font-body: 'Inter', sans-serif;
        }

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

        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }

        .nav-link {
            position: relative;
            transition: color 0.3s ease;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--accent-gold);
            border-radius: 2px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #B88633 0%, #D4A844 100%);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: #121212;
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: 6px;
            transition: all 0.3s ease;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 15px rgba(197, 160, 89, 0.2);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #D4A844 0%, #E5B84C 100%);
            box-shadow: 0 6px 20px rgba(197, 160, 89, 0.4);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 500;
            padding: 0.7rem 1.8rem;
            border-radius: 6px;
            transition: all 0.3s ease;
        }
        .btn-outline:hover {
            background: rgba(197, 160, 89, 0.1);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }

        .card-premium {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 2rem;
            transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            height: 100%;
        }
        .card-premium:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 15px 30px rgba(0,0,0,0.5), 0 0 0 1px rgba(197, 160, 89, 0.2);
            transform: translateY(-8px);
        }

        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 1.5rem 0;
            cursor: pointer;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1.1rem;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .fab-container {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
        }
        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.4);
            transition: all 0.3s ease;
            animation: float 3s ease-in-out infinite;
        }
        .fab-btn:hover {
            transform: scale(1.15);
            background: var(--accent-gold);
            color: #121212;
            box-shadow: 0 6px 25px rgba(255, 191, 0, 0.7);
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

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

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.25rem;
            color: #121212;
            flex-shrink: 0;
        }

        .tip-card {
            background: var(--bg-card);
            border-left: 4px solid var(--accent-gold);
            border-radius: 8px;
            padding: 1.5rem;
            transition: all 0.3s ease;
        }
        .tip-card:hover {
            background: #2A2A2D;
            border-left-color: var(--accent-amber);
        }

        .cta-sticky-bar {
            background: linear-gradient(135deg, rgba(18,18,18,0.95), rgba(28,28,30,0.95));
            backdrop-filter: blur(20px);
            border-top: 1px solid var(--accent-gold);
            padding: 1rem 0;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .mobile-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--bg-secondary);
                border-top: 1px solid var(--border-color);
                flex-direction: column;
                padding: 1rem 2rem;
                gap: 1rem;
            }
            .mobile-menu.active {
                display: flex;
            }
        }