/* roulang page: index */
:root {
            --bg-primary: #0B0B0B;
            --bg-secondary: #161616;
            --accent-primary: #FF4500;
            --accent-secondary: #FF0000;
            --accent-gold: #FFD700;
            --text-primary: #FFFFFF;
            --text-secondary: #CCCCCC;
            --text-muted: #888888;
            --border-color: #2A2A2A;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 20px rgba(255,69,0,0.4);
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 32px;
            --spacing-xl: 64px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            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: all 0.3s ease;
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 64px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 700px;
            line-height: 1.6;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #FFFFFF;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(255,69,0,0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255,69,0,0.5);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(255,69,0,0.3);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-primary);
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
            border: 2px solid var(--border-color);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .badge {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .badge-hot {
            background: rgba(255,0,0,0.2);
            color: #FF4444;
            border: 1px solid rgba(255,0,0,0.4);
        }
        .badge-gold {
            background: rgba(255,215,0,0.2);
            color: var(--accent-gold);
            border: 1px solid rgba(255,215,0,0.4);
        }
        .card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all 0.3s ease;
        }
        .card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        .divider {
            height: 1px;
            background: var(--border-color);
            margin: 32px 0;
        }
        .nav-link {
            position: relative;
            padding: 8px 0;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        .nav-link:hover {
            color: var(--accent-primary);
        }
        .nav-link.active {
            color: var(--accent-primary);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-primary);
        }
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0,0,0,0.8);
            backdrop-filter: blur(8px);
            border: 2px solid var(--accent-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 0 15px rgba(255,69,0,0.5);
            opacity: 0.7;
            animation: float 3s ease-in-out infinite;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(255,69,0,0.8);
        }
        .fab-left:active {
            transform: scale(0.95);
        }
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes pulse-glow {
            0%, 100% { box-shadow: 0 0 15px rgba(255,69,0,0.5); }
            50% { box-shadow: 0 0 30px rgba(255,69,0,0.8); }
        }
        .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF0000;
            border-radius: 50%;
            border: 2px solid #0B0B0B;
            animation: pulse-glow 2s infinite;
        }
        .hero-grid-bg {
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .hero-overlay {
            background: linear-gradient(135deg, rgba(11,11,11,0.95) 0%, rgba(22,22,22,0.85) 50%, rgba(11,11,11,0.95) 100%);
        }
        .gradient-border {
            border: 1px solid transparent;
            background-clip: padding-box;
            position: relative;
        }
        .gradient-border::before {
            content: '';
            position: absolute;
            inset: -1px;
            border-radius: inherit;
            padding: 1px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-gold));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }
        .progress-bar {
            height: 8px;
            background: var(--bg-secondary);
            border-radius: 4px;
            overflow: hidden;
        }
        .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-gold));
            border-radius: 4px;
            transition: width 0.5s ease;
        }
        .ticker {
            display: inline-block;
            animation: ticker-scroll 20s linear infinite;
        }
        @keyframes ticker-scroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }
        .ticker-wrapper {
            overflow: hidden;
            white-space: nowrap;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 1rem;
            }
            .container {
                padding: 0 16px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.open {
                display: block;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 1.4rem;
            }
            .btn-primary, .btn-secondary {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

/* roulang page: article */
:root {
            --bg-obsidian: #0B0B0B;
            --bg-charcoal: #161616;
            --bg-card: #1C1C1C;
            --accent-lava: #FF4500;
            --accent-fire: #FF0000;
            --accent-gold: #FFD700;
            --text-white: #FFFFFF;
            --text-warmgray: #CCCCCC;
            --text-muted: #8A8A8A;
            --border-charcoal: #2A2A2A;
            --border-gold: rgba(255,215,0,0.3);
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.3);
            --shadow-lava: 0 8px 32px rgba(255,69,0,0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
            background: var(--bg-obsidian);
            color: var(--text-white);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .bg-obsidian { background-color: var(--bg-obsidian); }
        .bg-charcoal { background-color: var(--bg-charcoal); }
        .bg-card { background-color: var(--bg-card); }
        .text-gold { color: var(--accent-gold); }
        .text-lava { color: var(--accent-lava); }
        .text-warmgray { color: var(--text-warmgray); }
        .text-muted { color: var(--text-muted); }
        .border-charcoal { border-color: var(--border-charcoal); }
        .border-gold { border-color: var(--border-gold); }
        .divider {
            height: 1px;
            background: linear-gradient(to right, transparent, var(--border-charcoal), transparent);
            margin: 20px 0;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-lava), var(--accent-fire));
            color: #FFFFFF;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: var(--shadow-lava);
            text-decoration: none;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(255,69,0,0.4);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            color: var(--accent-gold);
            border: 2px solid var(--accent-gold);
            padding: 10px 24px;
            border-radius: var(--radius-md);
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .btn-outline:hover {
            background: var(--accent-gold);
            color: var(--bg-obsidian);
        }
        .nav-link {
            color: var(--text-warmgray);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
            padding: 4px 0;
        }
        .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: var(--accent-gold);
            border-radius: 2px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .badge-gold {
            background: rgba(255,215,0,0.15);
            color: var(--accent-gold);
            border: 1px solid var(--border-gold);
        }
        .badge-hot {
            background: rgba(255,0,0,0.2);
            color: #FF6B6B;
            border: 1px solid rgba(255,0,0,0.4);
        }
        .badge-lava {
            background: rgba(255,69,0,0.15);
            color: var(--accent-lava);
            border: 1px solid rgba(255,69,0,0.4);
        }
        .article-content {
            font-size: 1.05rem;
            color: #E5E5E5;
        }
        .article-content h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin: 2rem 0 1rem;
            color: var(--accent-gold);
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin: 1.75rem 0 0.875rem;
            color: var(--text-white);
            line-height: 1.4;
        }
        .article-content p {
            margin-bottom: 1.125rem;
            line-height: 1.75;
        }
        .article-content ul, .article-content ol {
            margin: 0 0 1.25rem 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.625rem;
            line-height: 1.7;
        }
        .article-content strong {
            color: var(--accent-gold);
            font-weight: 700;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent-lava);
            padding: 16px 20px;
            margin: 1.5rem 0;
            background: var(--bg-charcoal);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--text-warmgray);
        }
        .article-content a {
            color: var(--accent-lava);
            text-decoration: underline;
            transition: color 0.3s ease;
        }
        .article-content a:hover {
            color: #FF6B3D;
        }
        .article-content img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: 0 8px 30px rgba(0,0,0,0.4);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }
        .article-content table th, .article-content table td {
            padding: 12px 16px;
            border: 1px solid var(--border-charcoal);
            text-align: left;
        }
        .article-content table th {
            background: var(--bg-charcoal);
            color: var(--accent-gold);
            font-weight: 700;
        }
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(11,11,11,0.8);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 15px rgba(255,69,0,0.5);
            color: var(--accent-lava);
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
        }
        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(255,69,0,0.7);
            color: #FF6B3D;
        }
        .fab-left:active {
            transform: scale(0.95);
        }
        .fab-left .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: var(--accent-fire);
            border-radius: 50%;
            animation: blink 1.5s infinite;
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        .mobile-menu {
            display: none;
        }
        .mobile-menu.open {
            display: block;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .article-content {
                font-size: 1rem;
            }
            .article-content h2 {
                font-size: 1.45rem;
            }
            .article-content h3 {
                font-size: 1.2rem;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.25rem;
                left: 12px;
                bottom: 80px;
            }
        }
        @media (max-width: 520px) {
            .btn-primary, .btn-outline {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .article-content {
                font-size: 0.95rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-obsidian: #0B0B0B;
            --bg-charcoal: #161616;
            --accent-lava: #FF4500;
            --accent-fire: #FF0000;
            --accent-gold: #FFD700;
            --text-white: #FFFFFF;
            --text-warmgray: #CCCCCC;
            --text-muted: #999999;
            --border-dark: #2A2A2A;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-lava: 0 0 20px rgba(255, 69, 0, 0.25);
            --shadow-gold: 0 0 15px rgba(255, 215, 0, 0.2);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-obsidian);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 3rem;
                padding-right: 3rem;
            }
        }

        /* Navigation */
        .bg-obsidian {
            background-color: var(--bg-obsidian);
        }
        .bg-charcoal {
            background-color: var(--bg-charcoal);
        }
        .border-charcoal {
            border-color: var(--border-dark);
        }
        .text-gold {
            color: var(--accent-gold);
        }
        .text-lava {
            color: var(--accent-lava);
        }
        .text-warmgray {
            color: var(--text-warmgray);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .nav-link {
            position: relative;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-warmgray);
            transition: var(--transition);
            padding-bottom: 0.25rem;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-lava);
            transition: var(--transition);
            border-radius: 2px;
        }
        .nav-link:hover,
        .nav-link.active {
            color: var(--text-white);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-lava), var(--accent-fire));
            color: var(--text-white);
            font-weight: 600;
            border-radius: 9999px;
            padding: 0.75rem 1.5rem;
            transition: var(--transition);
            box-shadow: var(--shadow-lava);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            border: 1px solid rgba(255, 69, 0, 0.4);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(255, 69, 0, 0.4);
            background: linear-gradient(135deg, var(--accent-fire), var(--accent-lava));
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-lava);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
        }
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            border-radius: 9999px;
            padding: 0.75rem 1.5rem;
            transition: var(--transition);
            border: 1px solid var(--border-dark);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .btn-outline:hover {
            border-color: var(--accent-lava);
            color: var(--accent-lava);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
        }
        .mobile-menu {
            display: none;
        }
        .mobile-menu.open {
            display: block;
        }

        /* Hero */
        .hero-bg {
            background: linear-gradient(135deg, #0B0B0B 0%, #1A0A0A 50%, #0B0B0B 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-dark);
        }
        .hero-bg::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 69, 0, 0.15), transparent 70%);
            pointer-events: none;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 69, 0, 0.08), transparent 70%);
            pointer-events: none;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.025em;
            white-space: nowrap;
        }
        .badge-gold {
            background: rgba(255, 215, 0, 0.12);
            color: var(--accent-gold);
            border: 1px solid rgba(255, 215, 0, 0.3);
        }
        .badge-hot {
            background: rgba(255, 69, 0, 0.15);
            color: var(--accent-lava);
            border: 1px solid rgba(255, 69, 0, 0.4);
        }
        .badge-dark {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-warmgray);
            border: 1px solid var(--border-dark);
        }
        .divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-dark), transparent);
            margin: 2rem 0;
        }

        /* Cards */
        .card-feature {
            background: var(--bg-charcoal);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .card-feature::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-lava), transparent);
            opacity: 0;
            transition: var(--transition);
        }
        .card-feature:hover {
            border-color: rgba(255, 69, 0, 0.5);
            box-shadow: var(--shadow-lava);
            transform: translateY(-4px);
        }
        .card-feature:hover::before {
            opacity: 1;
        }
        .card-feature .icon-box {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(255, 69, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-lava);
            font-size: 1.25rem;
            margin-bottom: 1rem;
            transition: var(--transition);
        }
        .card-feature:hover .icon-box {
            background: rgba(255, 69, 0, 0.2);
            transform: scale(1.05);
        }

        /* Scenario Cards */
        .scenario-card {
            background: var(--bg-charcoal);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            position: relative;
        }
        .scenario-card:hover {
            border-color: rgba(255, 69, 0, 0.5);
            box-shadow: var(--shadow-lava);
            transform: translateY(-4px);
        }
        .scenario-card .card-img {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .scenario-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .scenario-card:hover .card-img img {
            transform: scale(1.08);
        }
        .scenario-card .card-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, var(--bg-charcoal), transparent);
            pointer-events: none;
        }
        .scenario-card .card-body {
            padding: 1.5rem;
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-charcoal);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            margin-bottom: 1rem;
        }
        .faq-item:hover {
            border-color: rgba(255, 69, 0, 0.4);
        }
        .faq-question {
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-white);
            transition: var(--transition);
            cursor: pointer;
            user-select: none;
            width: 100%;
            text-align: left;
        }
        .faq-question .fa-chevron-down {
            transition: var(--transition);
            color: var(--accent-lava);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .fa-chevron-down {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 1.5rem;
            color: var(--text-warmgray);
            font-size: 0.95rem;
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 1.5rem 1.5rem;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(255, 69, 0, 0.08), rgba(255, 69, 0, 0.02));
            border: 1px solid rgba(255, 69, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(255, 69, 0, 0.12), transparent 70%);
            pointer-events: none;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 9999px;
            background: rgba(11, 11, 11, 0.85);
            backdrop-filter: blur(8px);
            border: 2px solid var(--accent-lava);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-lava);
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 15px rgba(255, 69, 0, 0.4);
            opacity: 0.7;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(255, 69, 0, 0.6);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }
        .fab-left:active {
            transform: scale(0.95);
        }
        .fab-left .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--accent-gold);
            border-radius: 50%;
            border: 2px solid var(--bg-obsidian);
            animation: blink-dot 1.5s infinite;
        }
        @keyframes blink-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.8); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .hero-bg {
                padding-top: 2rem;
                padding-bottom: 3rem;
            }
            .card-feature {
                padding: 1.25rem;
            }
            .cta-section {
                padding: 2rem 1.25rem;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.25rem;
                bottom: 5rem;
                left: 0.75rem;
            }
        }
        @media (max-width: 520px) {
            .btn-primary, .btn-outline {
                padding: 0.625rem 1.25rem;
                font-size: 0.875rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B0B0B;
            --bg-secondary: #161616;
            --bg-charcoal: #1C1C1E;
            --accent-lava: #FF4500;
            --accent-fire: #FF0000;
            --accent-gold: #FFD700;
            --text-white: #FFFFFF;
            --text-warmgray: #CCCCCC;
            --text-muted: #888888;
            --border-charcoal: #2A2A2A;
            --border-lava: #FF4500;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.4);
            --shadow-lava: 0 0 20px rgba(255,69,0,0.4);
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button {
            cursor: pointer;
            font-family: inherit;
        }
        
        .bg-obsidian {
            background-color: var(--bg-primary);
        }
        
        .bg-charcoal {
            background-color: var(--bg-charcoal);
        }
        
        .border-charcoal {
            border-color: var(--border-charcoal);
        }
        
        .text-gold {
            color: var(--accent-gold);
        }
        
        .text-lava {
            color: var(--accent-lava);
        }
        
        .text-warmgray {
            color: var(--text-warmgray);
        }
        
        .text-muted {
            color: var(--text-muted);
        }
        
        .nav-link {
            position: relative;
            font-weight: 500;
            font-size: 15px;
            color: var(--text-warmgray);
            transition: var(--transition);
            padding: 4px 0;
        }
        
        .nav-link:hover {
            color: var(--text-white);
        }
        
        .nav-link.active {
            color: var(--accent-lava);
        }
        
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--accent-lava);
            border-radius: 2px;
        }
        
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent-lava), var(--accent-fire));
            color: var(--text-white);
            font-weight: 600;
            border: none;
            border-radius: var(--radius-md);
            padding: 12px 28px;
            font-size: 15px;
            transition: var(--transition);
            box-shadow: var(--shadow-lava);
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255,69,0,0.55);
        }
        
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-lava);
        }
        
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            border: 2px solid var(--accent-lava);
            border-radius: var(--radius-md);
            padding: 10px 26px;
            font-size: 15px;
            transition: var(--transition);
        }
        
        .btn-outline:hover {
            background-color: var(--accent-lava);
            color: var(--text-white);
            box-shadow: var(--shadow-lava);
        }
        
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        
        .badge-gold {
            background-color: rgba(255,215,0,0.15);
            color: var(--accent-gold);
            border: 1px solid rgba(255,215,0,0.4);
        }
        
        .badge-hot {
            background-color: rgba(255,69,0,0.15);
            color: var(--accent-lava);
            border: 1px solid rgba(255,69,0,0.5);
        }
        
        .divider {
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-charcoal), transparent);
            margin: 30px 0;
        }
        
        .mobile-menu {
            display: none;
        }
        
        .mobile-menu.open {
            display: block;
        }
        
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #0B0B0B 0%, #1A0A00 50%, #0B0B0B 100%);
            overflow: hidden;
            padding: 80px 0 60px;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255,69,0,0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -50px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,0,0,0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .stat-card {
            background: var(--bg-charcoal);
            border: 1px solid var(--border-charcoal);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
        }
        
        .stat-card:hover {
            border-color: var(--accent-lava);
            box-shadow: var(--shadow-lava);
            transform: translateY(-4px);
        }
        
        .stat-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent-lava);
            margin-bottom: 8px;
            line-height: 1.2;
        }
        
        .stat-label {
            font-size: 14px;
            color: var(--text-warmgray);
            font-weight: 500;
        }
        
        .section-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.3;
            color: var(--text-white);
        }
        
        .section-subtitle {
            font-size: 16px;
            color: var(--text-warmgray);
            margin-bottom: 40px;
            line-height: 1.6;
        }
        
        .tactic-card {
            background: var(--bg-charcoal);
            border: 1px solid var(--border-charcoal);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
            height: 100%;
        }
        
        .tactic-card:hover {
            border-color: var(--accent-lava);
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
        }
        
        .tactic-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(255,69,0,0.2), rgba(255,0,0,0.15));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }
        
        .tactic-icon i {
            font-size: 24px;
            color: var(--accent-lava);
        }
        
        .tactic-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-white);
        }
        
        .tactic-card p {
            font-size: 14px;
            color: var(--text-warmgray);
            line-height: 1.7;
        }
        
        .faq-item {
            border-bottom: 1px solid var(--border-charcoal);
            padding: 20px 0;
        }
        
        .faq-question {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .faq-question i {
            color: var(--accent-lava);
            font-size: 16px;
            width: 24px;
            text-align: center;
        }
        
        .faq-answer {
            font-size: 15px;
            color: var(--text-warmgray);
            line-height: 1.7;
            padding-left: 36px;
        }
        
        .timeline-item {
            position: relative;
            padding-left: 32px;
            padding-bottom: 32px;
            border-left: 2px solid var(--border-charcoal);
        }
        
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -8px;
            top: 6px;
            width: 14px;
            height: 14px;
            background-color: var(--accent-lava);
            border-radius: 50%;
            box-shadow: 0 0 12px rgba(255,69,0,0.6);
        }
        
        .timeline-item h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        
        .timeline-item p {
            font-size: 14px;
            color: var(--text-warmgray);
            line-height: 1.7;
        }
        
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(11,11,11,0.8);
            backdrop-filter: blur(8px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(11,11,11,0.9), rgba(11,11,11,0.9)), linear-gradient(135deg, var(--accent-lava), var(--accent-gold));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.6;
            animation: fabPulse 3s ease-in-out infinite;
            box-shadow: 0 0 15px rgba(255,69,0,0.5);
        }
        
        .fab i {
            font-size: 24px;
            color: var(--accent-lava);
        }
        
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(255,69,0,0.7);
        }
        
        .fab:active {
            transform: scale(0.95);
        }
        
        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            background-color: var(--accent-lava);
            border-radius: 50%;
            animation: notificationBlink 1.5s ease-in-out infinite;
        }
        
        @keyframes fabPulse {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }
        
        @keyframes notificationBlink {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }
        
        .game-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-charcoal);
            transition: var(--transition);
            background: var(--bg-charcoal);
        }
        
        .game-card:hover {
            transform: scale(1.03);
            border-color: var(--accent-lava);
            box-shadow: var(--shadow-lava);
        }
        
        .game-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        
        .game-card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(transparent, rgba(0,0,0,0.9));
        }
        
        .game-card-overlay h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }
        
        .game-card-overlay p {
            font-size: 12px;
            color: var(--text-warmgray);
        }
        
        .cta-section {
            background: linear-gradient(135deg, #1A0A00 0%, #0B0B0B 50%, #1A0A00 100%);
            border: 1px solid var(--border-charcoal);
            border-radius: var(--radius-lg);
            padding: 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,69,0,0.1) 0%, transparent 60%);
            pointer-events: none;
        }
        
        @media (max-width: 1024px) {
            .container {
                max-width: 960px;
            }
            
            .section-title {
                font-size: 28px;
            }
        }
        
        @media (max-width: 768px) {
            .container {
                max-width: 720px;
                padding: 0 16px;
            }
            
            .section-title {
                font-size: 24px;
            }
            
            .hero-section {
                padding: 60px 0 40px;
            }
            
            .stat-number {
                font-size: 28px;
            }
            
            .cta-section {
                padding: 32px 20px;
            }
            
            .fab {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
            
            .fab i {
                font-size: 20px;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                max-width: 100%;
                padding: 0 12px;
            }
            
            .section-title {
                font-size: 20px;
            }
            
            .section-subtitle {
                font-size: 14px;
                margin-bottom: 28px;
            }
            
            .tactic-card {
                padding: 20px;
            }
            
            .tactic-card h3 {
                font-size: 17px;
            }
            
            .game-card img {
                height: 150px;
            }
            
            .stat-number {
                font-size: 24px;
            }
            
            .faq-question {
                font-size: 16px;
            }
            
            .faq-answer {
                font-size: 14px;
                padding-left: 0;
                margin-top: 8px;
            }
            
            .timeline-item {
                padding-left: 24px;
            }
        }

/* roulang page: category3 */
:root {
            --obsidian: #0B0B0B;
            --charcoal: #161616;
            --lava: #FF4500;
            --fire: #FF0000;
            --warmgray: #CCCCCC;
            --muted: #8A8A8A;
            --white: #FFFFFF;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.35);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.5);
            --shadow-lava: 0 4px 16px rgba(255,69,0,0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --space-xs: 4px;
            --space-sm: 8px;
            --space-md: 16px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 72px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--obsidian);
            color: var(--white);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .bg-obsidian {
            background-color: var(--obsidian);
        }
        .bg-charcoal {
            background-color: var(--charcoal);
        }
        .border-charcoal {
            border-color: var(--charcoal);
        }
        .text-warmgray {
            color: var(--warmgray);
        }
        .text-muted {
            color: var(--muted);
        }
        .text-lava {
            color: var(--lava);
        }
        .hover\:text-lava:hover {
            color: var(--lava);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--fire), var(--lava));
            color: var(--white);
            font-weight: 700;
            border-radius: 50px;
            padding: 12px 28px;
            box-shadow: var(--shadow-lava);
            transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255,69,0,0.55);
            opacity: 0.95;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-lava);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--warmgray);
            color: var(--warmgray);
            font-weight: 600;
            border-radius: 50px;
            padding: 10px 24px;
            transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
        }
        .btn-ghost:hover {
            border-color: var(--lava);
            color: var(--lava);
            background: rgba(255,69,0,0.06);
        }
        .nav-link {
            position: relative;
            font-weight: 500;
            color: var(--warmgray);
            transition: color 0.25s ease;
            padding: 6px 0;
        }
        .nav-link:hover {
            color: var(--lava);
        }
        .nav-link.active {
            color: var(--lava);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 100%;
            height: 2px;
            background: var(--lava);
            border-radius: 2px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.4px;
            text-transform: uppercase;
        }
        .badge-gold {
            background: rgba(255,215,0,0.15);
            color: #FFD700;
            border: 1px solid rgba(255,215,0,0.35);
        }
        .badge-hot {
            background: rgba(255,0,0,0.2);
            color: #FF5555;
            border: 1px solid rgba(255,0,0,0.45);
        }
        .badge-lava {
            background: rgba(255,69,0,0.2);
            color: var(--lava);
            border: 1px solid rgba(255,69,0,0.5);
        }
        .divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--charcoal), transparent);
            margin: 24px 0;
        }
        .mobile-menu {
            display: none;
        }
        .mobile-menu.open {
            display: block;
        }
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0,0,0,0.7);
            backdrop-filter: blur(8px);
            border: 2px solid var(--lava);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 15px rgba(255,69,0,0.5);
            transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
            opacity: 0.65;
        }
        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 0 28px rgba(255,69,0,0.8);
            opacity: 1;
        }
        .fab-left:active {
            transform: scale(0.95);
        }
        .fab-left i {
            font-size: 24px;
            color: var(--lava);
        }
        .fab-left .notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: var(--fire);
            border-radius: 50%;
            border: 2px solid var(--obsidian);
            animation: pulse-dot 1.6s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }
        .hero-backdrop {
            background-image: linear-gradient(180deg, rgba(11,11,11,0.75) 0%, rgba(11,11,11,0.92) 100%), url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .info-panel {
            background: rgba(22,22,22,0.85);
            backdrop-filter: blur(6px);
            border: 1px solid var(--charcoal);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-md);
        }
        .step-marker {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--fire), var(--lava));
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            flex-shrink: 0;
            box-shadow: var(--shadow-lava);
        }
        .card-horizontal {
            background: var(--charcoal);
            border-radius: var(--radius-md);
            padding: 22px;
            border: 1px solid rgba(255,69,0,0.15);
            transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
        }
        .card-horizontal:hover {
            border-color: var(--lava);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--lava);
            line-height: 1.1;
        }
        .faq-item {
            border-bottom: 1px solid var(--charcoal);
            padding: 20px 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color 0.25s ease;
        }
        .faq-question:hover {
            color: var(--lava);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: var(--warmgray);
        }
        .faq-item.open .faq-answer {
            max-height: 600px;
            padding-top: 12px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--lava);
        }
        .faq-icon {
            transition: transform 0.3s ease, color 0.3s ease;
            font-size: 1.3rem;
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .info-panel {
                padding: 18px;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
            .fab-left i {
                font-size: 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }
            .btn-primary {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }