/* roulang page: index */
@layer base {
            * {
                box-sizing: border-box;
            }
            body {
                font-family: 'Inter', system-ui, sans-serif;
                margin: 0;
                padding: 0;
                background-color: #051F14;
                color: #F8FAFC;
                line-height: 1.6;
                -webkit-font-smoothing: antialiased;
                -moz-osx-font-smoothing: grayscale;
            }
            img {
                max-width: 100%;
                height: auto;
                display: block;
            }
            a {
                color: inherit;
                text-decoration: none;
                transition: color 0.2s ease, opacity 0.2s ease;
            }
            button, .btn {
                cursor: pointer;
                font-family: inherit;
                transition: all 0.2s ease;
            }
        }
        .container-fluid {
            width: 100%;
            padding-left: 2rem;
            padding-right: 2rem;
            margin-left: auto;
            margin-right: auto;
            max-width: 1320px;
        }
        @media (max-width: 768px) {
            .container-fluid {
                padding-left: 1.25rem;
                padding-right: 1.25rem;
            }
        }
        .gold-gradient-text {
            background: linear-gradient(135deg, #F59E0B 0%, #FCD34D 50%, #F59E0B 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .gold-border-glow {
            border: 1px solid rgba(245, 158, 11, 0.3);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .gold-border-glow:hover {
            border-color: rgba(245, 158, 11, 0.7);
            box-shadow: 0 0 20px rgba(245, 158, 11, 0.15);
        }
        .btn-primary {
            background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
            color: #051F14;
            font-weight: 700;
            border: none;
            padding: 0.85rem 2rem;
            border-radius: 9999px;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
            white-space: nowrap;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.45);
            background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
        }
        .btn-outline-gold {
            background: transparent;
            color: #F59E0B;
            font-weight: 600;
            border: 1.5px solid #F59E0B;
            padding: 0.75rem 1.75rem;
            border-radius: 9999px;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: #FCD34D;
            color: #FCD34D;
        }
        .card-dark {
            background: rgba(11, 46, 30, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(245, 158, 11, 0.15);
            border-radius: 1.25rem;
            padding: 1.5rem;
            transition: all 0.3s ease;
        }
        .card-dark:hover {
            border-color: rgba(245, 158, 11, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
        }
        .stat-badge {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(11, 46, 30, 0.9);
            border: 1px solid rgba(245, 158, 11, 0.25);
            border-radius: 9999px;
            padding: 0.35rem 1rem;
            font-weight: 600;
            font-size: 0.85rem;
        }
        .section-padding {
            padding: 5rem 0;
        }
        @media (max-width: 1024px) {
            .section-padding {
                padding: 3.5rem 0;
            }
        }
        .mobile-menu {
            display: none;
            transition: all 0.3s ease;
        }
        .mobile-menu.active {
            display: block;
        }
        footer a:hover {
            color: #F59E0B;
        }
        .fab-left {
            position: fixed;
            left: 1.25rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #051F14 0%, #0B2E1E 100%);
            border: 2px solid #F59E0B;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            transition: all 0.3s ease;
            opacity: 0.85;
            cursor: pointer;
        }
        .fab-left:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.5);
        }
        .fab-left:active {
            transform: scale(0.95) translateY(2px);
        }

/* roulang page: category1 */
:root {
            --forest-velvet: #0B2E1E;
            --deep-jade: #051F14;
            --imperial-gold: #F59E0B;
            --liquid-gold: #FCD34D;
            --dragon-red: #DC2626;
            --ivory: #F8FAFC;
            --mint-gray: #D1FAE5;
            --olive-muted: #A3A375;
            --charcoal-smoke: #14161B;
            --card-bg: rgba(11, 46, 30, 0.7);
            --card-border: rgba(245, 158, 11, 0.15);
            --card-border-hover: rgba(245, 158, 11, 0.4);
            --gold-gradient: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
            --gold-gradient-hover: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
            --shadow-gold: 0 4px 15px rgba(245, 158, 11, 0.3);
            --shadow-gold-lg: 0 6px 25px rgba(245, 158, 11, 0.45);
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.4);
            --radius-xl: 1.25rem;
            --radius-full: 9999px;
            --transition-smooth: all 0.3s ease;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', system-ui, sans-serif;
            margin: 0;
            padding: 0;
            background-color: var(--deep-jade);
            color: var(--ivory);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button,
        .btn {
            cursor: pointer;
            font-family: inherit;
            transition: var(--transition-smooth);
        }

        .container-fluid {
            width: 100%;
            padding-left: 2rem;
            padding-right: 2rem;
            margin-left: auto;
            margin-right: auto;
            max-width: 1320px;
        }

        @media (max-width: 768px) {
            .container-fluid {
                padding-left: 1.25rem;
                padding-right: 1.25rem;
            }
        }

        .gold-gradient-text {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .gold-border-glow {
            border: 1px solid var(--card-border);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .gold-border-glow:hover {
            border-color: var(--card-border-hover);
            box-shadow: 0 0 20px rgba(245, 158, 11, 0.15);
        }

        .btn-primary {
            background: var(--gold-gradient);
            color: var(--deep-jade);
            font-weight: 700;
            border: none;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-full);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-gold);
            white-space: nowrap;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold-lg);
            background: var(--gold-gradient-hover);
        }

        .btn-outline-gold {
            background: transparent;
            color: var(--imperial-gold);
            font-weight: 600;
            border: 1.5px solid var(--imperial-gold);
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-full);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: var(--liquid-gold);
            color: var(--liquid-gold);
        }

        .card-dark {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            transition: var(--transition-smooth);
        }

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

        .stat-badge {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(11, 46, 30, 0.9);
            border: 1px solid rgba(245, 158, 11, 0.25);
            border-radius: var(--radius-full);
            padding: 0.35rem 1rem;
            font-weight: 600;
            font-size: 0.85rem;
        }

        .section-padding {
            padding: 5rem 0;
        }

        @media (max-width: 1024px) {
            .section-padding {
                padding: 3.5rem 0;
            }
        }

        .mobile-menu {
            display: none;
            transition: var(--transition-smooth);
        }

        .mobile-menu.active {
            display: block;
        }

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

        .bg-forest-velvet {
            background-color: var(--forest-velvet);
        }

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

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

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

        .text-mint-gray {
            color: var(--mint-gray);
        }

        .border-imperial-gold\/20 {
            border-color: rgba(245, 158, 11, 0.2);
        }

        .border-imperial-gold\/30 {
            border-color: rgba(245, 158, 11, 0.3);
        }

        .placeholder-gold::placeholder {
            color: rgba(245, 158, 11, 0.5);
        }

        .fab-custom {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #0B2E1E 0%, #051F14 100%);
            border: 2px solid var(--imperial-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            transition: var(--transition-smooth);
            opacity: 0.85;
            animation: fab-float 3s ease-in-out infinite;
        }

        .fab-custom:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 35px rgba(245, 158, 11, 0.5);
        }

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

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

        .fab-custom i {
            color: var(--imperial-gold);
            font-size: 1.5rem;
            transition: var(--transition-smooth);
        }

        .fab-custom:hover i {
            transform: rotate(360deg);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .divider-gold {
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--imperial-gold), transparent);
            margin: 2rem 0;
            opacity: 0.4;
        }

        .check-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--imperial-gold);
            margin-right: 0.75rem;
        }

        @media (max-width: 520px) {
            .stat-number {
                font-size: 2rem;
            }
            .btn-primary, .btn-outline-gold {
                padding: 0.7rem 1.5rem;
                font-size: 0.9rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #051F14;
            --bg-secondary: #0B2E1E;
            --bg-card: rgba(11, 46, 30, 0.7);
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-red: #DC2626;
            --text-ivory: #F8FAFC;
            --text-mint: #D1FAE5;
            --text-muted: #A3A375;
            --border-gold: rgba(245, 158, 11, 0.3);
            --border-glow: rgba(245, 158, 11, 0.15);
            --shadow-gold: 0 4px 15px rgba(245, 158, 11, 0.3);
            --shadow-gold-lg: 0 6px 25px rgba(245, 158, 11, 0.45);
            --radius-xl: 1.25rem;
            --radius-full: 9999px;
            --transition-base: all 0.3s ease;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', system-ui, sans-serif;
            margin: 0;
            padding: 0;
            background-color: var(--bg-primary);
            color: var(--text-ivory);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, opacity 0.2s ease;
        }

        button,
        .btn {
            cursor: pointer;
            font-family: inherit;
            transition: var(--transition-base);
        }

        .container-fluid {
            width: 100%;
            padding-left: 2rem;
            padding-right: 2rem;
            margin-left: auto;
            margin-right: auto;
            max-width: 1320px;
        }

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

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

        .text-mint-gray {
            color: var(--text-mint);
        }

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

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

        .gold-gradient-text {
            background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 60%, #D97706 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .gold-border-glow {
            border: 1px solid var(--border-gold);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .gold-border-glow:hover {
            border-color: rgba(245, 158, 11, 0.7);
            box-shadow: 0 0 20px rgba(245, 158, 11, 0.15);
        }

        .btn-primary {
            background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
            color: #051F14;
            font-weight: 700;
            border: none;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-full);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--transition-base);
            box-shadow: var(--shadow-gold);
            white-space: nowrap;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold-lg);
            background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
        }

        .btn-outline-gold {
            background: transparent;
            color: var(--accent-gold);
            font-weight: 600;
            border: 1.5px solid var(--accent-gold);
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-full);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: var(--accent-gold-light);
            color: var(--accent-gold-light);
        }

        .card-dark {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            transition: var(--transition-base);
        }

        .card-dark:hover {
            border-color: rgba(245, 158, 11, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
        }

        .stat-badge {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(11, 46, 30, 0.9);
            border: 1px solid rgba(245, 158, 11, 0.25);
            border-radius: var(--radius-full);
            padding: 0.35rem 1rem;
            font-weight: 600;
            font-size: 0.85rem;
        }

        .section-padding {
            padding: 5rem 0;
        }

        .mobile-menu {
            display: none;
            transition: all 0.3s ease;
        }

        .mobile-menu.active {
            display: block;
        }

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

        .article-hero {
            position: relative;
            background: linear-gradient(180deg, rgba(5, 31, 20, 0.9) 0%, rgba(11, 46, 30, 0.95) 100%), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            padding: 6rem 0 4rem;
            border-bottom: 1px solid var(--border-gold);
        }

        .article-content {
            max-width: 820px;
            margin: 0 auto;
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-mint);
        }

        .article-content h2 {
            color: var(--accent-gold-light);
            font-size: 1.75rem;
            font-weight: 700;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            border-left: 4px solid var(--accent-gold);
            padding-left: 1.25rem;
        }

        .article-content h3 {
            color: var(--text-ivory);
            font-size: 1.35rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }

        .article-content p {
            margin-bottom: 1.25rem;
            text-align: justify;
        }

        .article-content ul,
        .article-content ol {
            margin: 1.25rem 0;
            padding-left: 1.75rem;
        }

        .article-content li {
            margin-bottom: 0.5rem;
        }

        .article-content img {
            border-radius: 1rem;
            margin: 2rem auto;
            border: 1px solid var(--border-glow);
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(245, 158, 11, 0.05);
            padding: 1.25rem 1.75rem;
            border-radius: 0 0.75rem 0.75rem 0;
            margin: 2rem 0;
            font-style: italic;
            color: var(--accent-gold-light);
            font-size: 1.1rem;
        }

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

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

        .pull-quote {
            background: rgba(245, 158, 11, 0.08);
            border-left: 6px solid var(--accent-gold);
            padding: 2rem;
            border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
            margin: 2.5rem 0;
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--accent-gold-light);
            line-height: 1.7;
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 1.5rem 0;
        }

        .tag-item {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-gold-light);
            border: 1px solid rgba(245, 158, 11, 0.25);
            padding: 0.35rem 1rem;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 500;
            transition: var(--transition-base);
        }

        .tag-item:hover {
            background: rgba(245, 158, 11, 0.25);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .related-card {
            background: var(--bg-card);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-glow);
            border-radius: 1rem;
            padding: 1.5rem;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .related-card:hover {
            border-color: rgba(245, 158, 11, 0.5);
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
        }

        .related-card img {
            border-radius: 0.75rem;
            height: 180px;
            object-fit: cover;
            width: 100%;
        }

        .related-card h4 {
            color: var(--text-ivory);
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.4;
        }

        .related-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            flex-grow: 1;
        }

        .not-found-state {
            text-align: center;
            padding: 5rem 2rem;
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            max-width: 600px;
            margin: 3rem auto;
        }

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

        .not-found-state h3 {
            color: var(--text-ivory);
            font-size: 1.5rem;
            margin-bottom: 0.75rem;
        }

        .not-found-state p {
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }

        .floating-fab {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #FCD34D, #B45309);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #051F14;
            font-size: 1.75rem;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            transition: var(--transition-base);
            animation: gentle-float 3s ease-in-out infinite;
        }

        .floating-fab:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 35px rgba(245, 158, 11, 0.55);
        }

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

        @media (max-width: 1024px) {
            .container-fluid {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
            .section-padding {
                padding: 3.5rem 0;
            }
            .article-content {
                font-size: 1rem;
            }
        }

        @media (max-width: 768px) {
            .container-fluid {
                padding-left: 1.25rem;
                padding-right: 1.25rem;
            }
            .article-hero {
                padding: 4rem 0 2.5rem;
            }
            .article-content h2 {
                font-size: 1.4rem;
            }
            .article-content h3 {
                font-size: 1.15rem;
            }
            .pull-quote {
                font-size: 1.1rem;
                padding: 1.5rem;
            }
            .floating-fab {
                left: 1rem;
                bottom: 5rem;
                width: 48px;
                height: 48px;
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .article-content {
                font-size: 0.95rem;
                line-height: 1.65;
            }
            .not-found-state {
                padding: 3rem 1.25rem;
            }
        }

/* roulang page: category2 */
:root {
            --imperial-jade: #051F14;
            --forest-velvet: #0B2E1E;
            --imperial-gold: #F59E0B;
            --liquid-gold: #FCD34D;
            --ivory: #F8FAFC;
            --mint-gray: #D1FAE5;
            --olive-gold: #A3A375;
            --dragon-red: #DC2626;
            --shadow-gold: rgba(245, 158, 11, 0.3);
            --shadow-gold-heavy: rgba(245, 158, 11, 0.45);
            --radius-xl: 1.25rem;
            --radius-full: 9999px;
        }
        body {
            font-family: 'Inter', system-ui, sans-serif;
            margin: 0;
            padding: 0;
            background-color: var(--imperial-jade);
            color: var(--ivory);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, opacity 0.2s ease;
        }
        button, .btn {
            cursor: pointer;
            font-family: inherit;
            transition: all 0.2s ease;
        }
        .container-fluid {
            width: 100%;
            padding-left: 2rem;
            padding-right: 2rem;
            margin-left: auto;
            margin-right: auto;
            max-width: 1320px;
        }
        .gold-gradient-text {
            background: linear-gradient(135deg, var(--liquid-gold), var(--imperial-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .gold-border-glow {
            border: 1px solid rgba(245, 158, 11, 0.3);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .gold-border-glow:hover {
            border-color: rgba(245, 158, 11, 0.7);
            box-shadow: 0 0 20px rgba(245, 158, 11, 0.15);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--imperial-gold) 0%, #D97706 100%);
            color: var(--imperial-jade);
            font-weight: 700;
            border: none;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-full);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px var(--shadow-gold);
            white-space: nowrap;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px var(--shadow-gold-heavy);
            background: linear-gradient(135deg, var(--liquid-gold) 0%, var(--imperial-gold) 100%);
        }
        .btn-outline-gold {
            background: transparent;
            color: var(--imperial-gold);
            font-weight: 600;
            border: 1.5px solid var(--imperial-gold);
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-full);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: var(--liquid-gold);
            color: var(--liquid-gold);
        }
        .card-dark {
            background: rgba(11, 46, 30, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(245, 158, 11, 0.15);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            transition: all 0.3s ease;
        }
        .card-dark:hover {
            border-color: rgba(245, 158, 11, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
        }
        .stat-badge {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(11, 46, 30, 0.9);
            border: 1px solid rgba(245, 158, 11, 0.25);
            border-radius: var(--radius-full);
            padding: 0.35rem 1rem;
            font-weight: 600;
            font-size: 0.85rem;
        }
        .section-padding {
            padding: 5rem 0;
        }
        .mobile-menu {
            display: none;
            transition: all 0.3s ease;
        }
        .mobile-menu.active {
            display: block;
        }
        footer a:hover {
            color: var(--imperial-gold);
        }
        .step-counter {
            background: linear-gradient(135deg, var(--imperial-gold), #D97706);
            color: var(--imperial-jade);
            font-weight: 800;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        @media (max-width: 1024px) {
            .section-padding {
                padding: 3.5rem 0;
            }
            .container-fluid {
                padding-left: 1.25rem;
                padding-right: 1.25rem;
            }
        }
        @media (max-width: 768px) {
            .container-fluid {
                padding-left: 1.25rem;
                padding-right: 1.25rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #051F14;
            --bg-secondary: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-red: #DC2626;
            --text-ivory: #F8FAFC;
            --text-mint: #D1FAE5;
            --text-muted: #A3A375;
            --border-gold: rgba(245, 158, 11, 0.3);
            --shadow-gold: rgba(245, 158, 11, 0.3);
            --radius-xl: 1.25rem;
            --radius-full: 9999px;
        }

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

        body {
            font-family: 'Inter', system-ui, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-ivory);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, opacity 0.2s ease;
        }

        button, .btn {
            cursor: pointer;
            font-family: inherit;
            transition: all 0.2s ease;
        }

        .container-fluid {
            width: 100%;
            padding-left: 2rem;
            padding-right: 2rem;
            margin-left: auto;
            margin-right: auto;
            max-width: 1320px;
        }

        .section-padding {
            padding: 5rem 0;
        }

        .gold-gradient-text {
            background: linear-gradient(135deg, #F59E0B 0%, #FCD34D 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #D97706 100%);
            color: var(--bg-primary);
            font-weight: 700;
            border: none;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-full);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px var(--shadow-gold);
            white-space: nowrap;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.45);
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
        }

        .btn-outline-gold {
            background: transparent;
            color: var(--accent-gold);
            font-weight: 600;
            border: 1.5px solid var(--accent-gold);
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-full);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: var(--accent-gold-light);
            color: var(--accent-gold-light);
        }

        .card-dark {
            background: rgba(11, 46, 30, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(245, 158, 11, 0.15);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            transition: all 0.3s ease;
        }

        .card-dark:hover {
            border-color: rgba(245, 158, 11, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
        }

        .gold-border-glow {
            border: 1px solid var(--border-gold);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .gold-border-glow:hover {
            border-color: rgba(245, 158, 11, 0.7);
            box-shadow: 0 0 20px rgba(245, 158, 11, 0.15);
        }

        .stat-badge {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(11, 46, 30, 0.9);
            border: 1px solid rgba(245, 158, 11, 0.25);
            border-radius: var(--radius-full);
            padding: 0.35rem 1rem;
            font-weight: 600;
            font-size: 0.85rem;
        }

        .tag-hot {
            background: var(--accent-red);
            color: #fff;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 0.25rem 0.75rem;
            border-radius: var(--radius-full);
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            letter-spacing: 0.05em;
            animation: pulse-tag 2s infinite;
        }

        @keyframes pulse-tag {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        .mobile-menu {
            display: none;
            transition: all 0.3s ease;
        }

        .mobile-menu.active {
            display: block;
        }

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

        .coupon-card {
            background: linear-gradient(135deg, #0B2E1E 0%, #051F14 100%);
            border: 2px dashed var(--accent-gold);
            border-radius: 1.5rem;
            padding: 2rem;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .coupon-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(245,158,11,0.05) 0%, transparent 70%);
            transition: transform 0.5s ease;
        }

        .coupon-card:hover::before {
            transform: translate(25%, 25%);
        }

        .coupon-card:hover {
            border-color: var(--accent-gold-light);
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(245, 158, 11, 0.2);
        }

        .event-timeline-item {
            position: relative;
            padding-left: 2rem;
            border-left: 2px solid var(--border-gold);
            padding-bottom: 2rem;
        }

        .event-timeline-item:last-child {
            border-left-color: transparent;
            padding-bottom: 0;
        }

        .event-timeline-item::before {
            content: '';
            position: absolute;
            left: -7px;
            top: 0;
            width: 12px;
            height: 12px;
            background: var(--accent-gold);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--shadow-gold);
        }

        @media (max-width: 1024px) {
            .section-padding {
                padding: 3.5rem 0;
            }
            .container-fluid {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .container-fluid {
                padding-left: 1.25rem;
                padding-right: 1.25rem;
            }
            .section-padding {
                padding: 3rem 0;
            }
            .coupon-card {
                padding: 1.5rem;
            }
        }

/* roulang page: category4 */
:root {
            --forest-velvet: #051F14;
            --dark-velvet: #0B2E1E;
            --royal-crimson: #2B0404;
            --imperial-gold: #F59E0B;
            --gold-light: #FCD34D;
            --dragon-red: #DC2626;
            --ivory: #F8FAFC;
            --mint-gray: #D1FAE5;
            --muted-olive: #A3A375;
            --card-bg: rgba(11, 46, 30, 0.7);
            --card-border: rgba(245, 158, 11, 0.15);
            --shadow-gold: rgba(245, 158, 11, 0.3);
            --radius-lg: 1.25rem;
            --radius-full: 9999px;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', system-ui, sans-serif;
            margin: 0;
            padding: 0;
            background-color: var(--forest-velvet);
            color: var(--ivory);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }

        button,
        .btn {
            cursor: pointer;
            font-family: inherit;
            transition: all 0.25s ease;
        }

        .container-fluid {
            width: 100%;
            padding-left: 2rem;
            padding-right: 2rem;
            margin-left: auto;
            margin-right: auto;
            max-width: 1320px;
        }

        .gold-gradient-text {
            background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 60%, #D97706 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .gold-border-glow {
            border: 1px solid rgba(245, 158, 11, 0.3);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .gold-border-glow:hover {
            border-color: rgba(245, 158, 11, 0.7);
            box-shadow: 0 0 20px rgba(245, 158, 11, 0.15);
        }

        .btn-primary {
            background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
            color: #051F14;
            font-weight: 700;
            border: none;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-full);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px var(--shadow-gold);
            white-space: nowrap;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.45);
            background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
        }

        .btn-outline-gold {
            background: transparent;
            color: #F59E0B;
            font-weight: 600;
            border: 1.5px solid #F59E0B;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-full);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: #FCD34D;
            color: #FCD34D;
        }

        .card-dark {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            transition: all 0.3s ease;
        }

        .card-dark:hover {
            border-color: rgba(245, 158, 11, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
        }

        .stat-badge {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(11, 46, 30, 0.9);
            border: 1px solid rgba(245, 158, 11, 0.25);
            border-radius: var(--radius-full);
            padding: 0.35rem 1rem;
            font-weight: 600;
            font-size: 0.85rem;
        }

        .section-padding {
            padding: 5rem 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--ivory);
            margin-bottom: 0.75rem;
        }

        .section-subtitle {
            color: var(--mint-gray);
            font-size: 1.1rem;
            line-height: 1.7;
            max-width: 700px;
        }

        .tag-hot {
            background: rgba(220, 38, 38, 0.9);
            color: #F8FAFC;
            font-weight: 700;
            font-size: 0.7rem;
            padding: 0.25rem 0.6rem;
            border-radius: var(--radius-full);
            letter-spacing: 0.5px;
        }

        .tag-vip {
            background: linear-gradient(135deg, #F59E0B, #D97706);
            color: #051F14;
            font-weight: 700;
            font-size: 0.7rem;
            padding: 0.25rem 0.6rem;
            border-radius: var(--radius-full);
            letter-spacing: 0.5px;
        }

        .mobile-menu {
            display: none;
            transition: all 0.3s ease;
        }

        .mobile-menu.active {
            display: block;
        }

        footer a:hover {
            color: #F59E0B;
        }

        .progress-bar {
            height: 8px;
            border-radius: 4px;
            background: rgba(245, 158, 11, 0.2);
            overflow: hidden;
            position: relative;
        }

        .progress-bar .fill {
            height: 100%;
            background: linear-gradient(90deg, #F59E0B, #FCD34D);
            border-radius: 4px;
            transition: width 0.5s ease;
        }

        .nexus-card {
            background: rgba(2, 12, 8, 0.8);
            border: 1px solid rgba(245, 158, 11, 0.2);
            border-radius: 1.25rem;
            padding: 1.75rem;
            position: relative;
            transition: all 0.3s ease;
        }

        .nexus-card:hover {
            border-color: rgba(245, 158, 11, 0.5);
            box-shadow: 0 0 30px rgba(245, 158, 11, 0.1);
        }

        .flame-glow {
            box-shadow: 0 4px 24px rgba(234, 88, 12, 0.25);
        }

        .fab-left {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #F59E0B, #D97706);
            color: #051F14;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            transition: all 0.3s ease;
            opacity: 0.8;
            cursor: pointer;
            border: 2px solid #F59E0B;
        }

        .fab-left:hover {
            transform: scale(1.1);
            opacity: 1;
        }

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

        .fab-left .badge-notify {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #F8FAFC;
        }

        @media (max-width: 1024px) {
            .section-padding {
                padding: 3.5rem 0;
            }

            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .container-fluid {
                padding-left: 1.25rem;
                padding-right: 1.25rem;
            }

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

            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 1rem;
                bottom: 5rem;
            }
        }

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