/* roulang page: index */
:root {
            --primary-bg: #0F0C20;
            --secondary-bg: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --card-bg: rgba(15, 12, 32, 0.85);
            --border-glow: rgba(0, 240, 255, 0.4);
            --radius-lg: 24px;
            --shadow-neon: 0 0 25px rgba(0, 240, 255, 0.3);
            --shadow-hover: 0 0 35px rgba(204, 255, 0, 0.5);
            --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(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        /* Underwater bubbles background */
        .underwater-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            background: radial-gradient(ellipse at 30% 40%, rgba(0, 80, 130, 0.25) 0%, rgba(0, 20, 40, 0) 70%),
                        radial-gradient(ellipse at 80% 70%, rgba(0, 150, 200, 0.2) 0%, rgba(10, 20, 40, 0) 60%),
                        linear-gradient(180deg, #0F0C20 0%, #0B1A30 45%, #0F0C20 100%);
            background-size: cover;
        }

        .bubble {
            position: absolute;
            bottom: -100px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            animation: rise 15s infinite ease-in;
        }
        .bubble:nth-child(1) { width: 30px; height: 30px; left: 10%; animation-duration: 18s; animation-delay: 0s; }
        .bubble:nth-child(2) { width: 20px; height: 20px; left: 25%; animation-duration: 12s; animation-delay: 2s; }
        .bubble:nth-child(3) { width: 45px; height: 45px; left: 40%; animation-duration: 20s; animation-delay: 4s; }
        .bubble:nth-child(4) { width: 15px; height: 15px; left: 55%; animation-duration: 10s; animation-delay: 1s; }
        .bubble:nth-child(5) { width: 38px; height: 38px; left: 70%; animation-duration: 16s; animation-delay: 5s; }
        .bubble:nth-child(6) { width: 25px; height: 25px; left: 85%; animation-duration: 14s; animation-delay: 3s; }
        .bubble:nth-child(7) { width: 50px; height: 50px; left: 5%; animation-duration: 22s; animation-delay: 6s; }
        .bubble:nth-child(8) { width: 18px; height: 18px; left: 95%; animation-duration: 13s; animation-delay: 7s; }

        @keyframes rise {
            0% { transform: translateY(0) scale(1); opacity: 0.3; }
            50% { transform: translateY(-50vh) scale(1.2); opacity: 0.5; }
            100% { transform: translateY(-100vh) scale(0.8); opacity: 0; }
        }

        /* Neon glow utilities */
        .text-glow-cyan {
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.7), 0 0 20px rgba(0, 240, 255, 0.4);
        }
        .text-glow-lime {
            text-shadow: 0 0 10px rgba(204, 255, 0, 0.7), 0 0 20px rgba(204, 255, 0, 0.4);
        }
        .border-neon {
            border: 1px solid transparent;
            background:
                linear-gradient(var(--card-bg), var(--card-bg)) padding-box,
                linear-gradient(135deg, var(--accent-cyan), var(--accent-lime)) border-box;
        }

        .card-hover {
            transition: var(--transition);
        }
        .card-hover:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent-lime);
        }

        /* Custom scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--secondary-bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--accent-cyan);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent-lime);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 60;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            position: relative;
            transition: var(--transition);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            animation: fabPulse 2s infinite;
        }
        .fab::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime), var(--accent-cyan));
            background-size: 300% 300%;
            z-index: -1;
            animation: borderFlow 3s linear infinite;
        }
        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.8);
        }
        .fab:active {
            transform: scale(0.95);
        }
        .fab .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid var(--primary-bg);
            animation: blinkDot 1.5s infinite;
        }
        @keyframes borderFlow {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        @keyframes fabPulse {
            0% { opacity: 0.7; }
            50% { opacity: 1; }
            100% { opacity: 0.7; }
        }
        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.2; }
        }

        /* Responsive table */
        @media (max-width: 768px) {
            .table-responsive {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
        }

        /* Hero data board */
        .data-board {
            background: rgba(15, 12, 32, 0.9);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-neon);
        }

        .ranking-item {
            transition: var(--transition);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .ranking-item:hover {
            background: rgba(0, 240, 255, 0.05);
            transform: translateX(4px);
        }

        /* FAQ Accordion */
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .faq-question {
            cursor: pointer;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        /* Floating bottom CTA */
        .floating-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(15, 12, 32, 0.95);
            backdrop-filter: blur(10px);
            border-top: 1px solid rgba(0, 240, 255, 0.3);
            transform: translateY(100%);
            transition: transform 0.4s ease;
        }
        .floating-cta.visible {
            transform: translateY(0);
        }

        /* Hide scrollbar for horizontal scroll */
        .scroll-x {
            overflow-x: auto;
            scrollbar-width: none; /* Firefox */
            -ms-overflow-style: none; /* IE 10+ */
        }
        .scroll-x::-webkit-scrollbar {
            display: none; /* Chrome/Safari */
        }

        /* Custom focus */
        a:focus-visible, button:focus-visible, input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }

/* roulang page: article */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-neon: rgba(0, 240, 255, 0.2);
            --shadow-neon: 0 0 30px rgba(0, 240, 255, 0.15);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-primary);
            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 {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        
        button, input, textarea, select {
            font-family: inherit;
            font-size: 100%;
            outline: none;
            border: none;
        }
        
        button:focus-visible, a:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        
        @media (min-width: 1024px) {
            .container {
                padding: 0 2rem;
            }
        }
        
        .text-glow-cyan {
            text-shadow: 0 0 20px rgba(0, 240, 255, 0.5), 0 0 40px rgba(0, 240, 255, 0.3);
        }
        
        .text-glow-lime {
            text-shadow: 0 0 20px rgba(204, 255, 0, 0.4);
        }
        
        .bg-grid-pattern {
            background-image: 
                linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
        }
        
        .article-content {
            font-size: 1.0625rem;
            line-height: 1.7;
            color: #D1D5DB;
        }
        
        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.35;
        }
        
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-white);
            margin-top: 1.5rem;
            margin-bottom: 0.75rem;
            line-height: 1.4;
        }
        
        .article-content p {
            margin-bottom: 1rem;
        }
        
        .article-content ul, .article-content ol {
            margin-left: 1.5rem;
            margin-bottom: 1rem;
        }
        
        .article-content ul li {
            list-style-type: disc;
            margin-bottom: 0.5rem;
        }
        
        .article-content ol li {
            list-style-type: decimal;
            margin-bottom: 0.5rem;
        }
        
        .article-content a {
            color: var(--accent-cyan);
            text-decoration: underline;
        }
        
        .article-content a:hover {
            color: var(--accent-lime);
        }
        
        .article-content blockquote {
            border-left: 4px solid var(--accent-cyan);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            background: rgba(0, 240, 255, 0.05);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-silver);
            font-style: italic;
            font-size: 1.125rem;
        }
        
        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
        }
        
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        
        .article-content table th {
            background: var(--bg-secondary);
            color: var(--accent-cyan);
            font-weight: 600;
            padding: 0.75rem 1rem;
            text-align: left;
            border-bottom: 1px solid var(--border-neon);
        }
        
        .article-content table td {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
            color: #D1D5DB;
        }
        
        .pull-quote {
            border-left: 4px solid var(--accent-lime);
            background: linear-gradient(135deg, rgba(204, 255, 0, 0.08), rgba(0, 240, 255, 0.05));
            padding: 1.5rem 2rem;
            border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
            font-size: 1.25rem;
            font-weight: 500;
            color: #F3F4F6;
            margin: 2rem 0;
            position: relative;
        }
        
        .pull-quote::before {
            content: "❝";
            font-size: 3rem;
            position: absolute;
            top: -0.5rem;
            left: 0.5rem;
            color: var(--accent-lime);
            opacity: 0.4;
        }
        
        .badge-neon {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            padding: 0.375rem 0.875rem;
            border-radius: 9999px;
            font-size: 0.8125rem;
            font-weight: 500;
            transition: var(--transition-base);
        }
        
        .badge-neon:hover {
            background: rgba(0, 240, 255, 0.2);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
        }
        
        .card-neon {
            background: var(--bg-secondary);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            transition: var(--transition-base);
        }
        
        .card-neon:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            transform: translateY(-2px);
        }
        
        .btn-neon-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: #000;
            font-weight: 700;
            font-size: 1rem;
            padding: 0.875rem 2rem;
            border-radius: 9999px;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
            transition: var(--transition-base);
            cursor: pointer;
        }
        
        .btn-neon-primary:hover {
            transform: scale(1.05);
            box-shadow: 0 0 45px rgba(204, 255, 0, 0.5), 0 0 60px rgba(0, 240, 255, 0.4);
        }
        
        .btn-neon-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 0.875rem 2rem;
            border-radius: 9999px;
            border: 2px solid var(--accent-cyan);
            transition: var(--transition-base);
            cursor: pointer;
        }
        
        .btn-neon-secondary:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.2);
            transform: translateY(-1px);
        }
        
        /* FAB - Style B / Option 2: Cyber & Neon Style */
        .fab-neon {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 18px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            cursor: pointer;
            opacity: 0.6;
            transition: var(--transition-base);
            animation: fab-breathe 3s ease-in-out infinite;
        }
        
        .fab-neon:hover {
            opacity: 1;
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.6), 0 0 60px rgba(204, 255, 0, 0.4);
            transform: scale(1.1);
        }
        
        .fab-neon:active {
            transform: scale(0.95);
            border-color: var(--accent-lime);
        }
        
        .fab-neon .fab-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: dot-blink 1.5s ease-in-out infinite;
        }
        
        @keyframes fab-breathe {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 0.9; }
        }
        
        @keyframes dot-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* Mobile menu */
        #mobile-menu {
            transition: all 0.3s ease;
        }
        
        #mobile-menu.hidden {
            display: none;
        }
        
        /* Scrollbar styling */
        ::-webkit-scrollbar {
            width: 8px;
        }
        
        ::-webkit-scrollbar-track {
            background: var(--bg-primary);
        }
        
        ::-webkit-scrollbar-thumb {
            background: var(--accent-cyan);
            border-radius: 4px;
        }
        
        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent-lime);
        }
        
        /* Responsive adjustments */
        @media (max-width: 768px) {
            .article-content {
                font-size: 1rem;
            }
            
            .article-content h2 {
                font-size: 1.375rem;
            }
            
            .pull-quote {
                font-size: 1.0625rem;
                padding: 1.25rem 1.5rem;
            }
            
            .fab-neon {
                width: 48px;
                height: 48px;
                font-size: 1.25rem;
                bottom: 5rem;
                left: 0.75rem;
                border-radius: 14px;
            }
        }
        
        @media (max-width: 520px) {
            .article-content h2 {
                font-size: 1.25rem;
            }
            
            .article-content h3 {
                font-size: 1.125rem;
            }
            
            .container {
                padding: 0 0.875rem;
            }
        }

/* roulang page: category1 */
/* ===== DESIGN TOKENS ===== */
        :root {
            --color-bg-primary: #0F0C20;
            --color-bg-secondary: #0B1A30;
            --color-bg-card: rgba(15, 12, 32, 0.85);
            --color-bg-elevated: rgba(11, 26, 48, 0.7);
            --color-accent-cyan: #00F0FF;
            --color-accent-lime: #CCFF00;
            --color-text-white: #FFFFFF;
            --color-text-gray: #A6ACAF;
            --color-text-muted: #6B7280;
            --color-border-cyan: rgba(0, 240, 255, 0.2);
            --color-border-neon: rgba(204, 255, 0, 0.3);
            --color-shadow-cyan: rgba(0, 240, 255, 0.3);
            --color-shadow-lime: rgba(204, 255, 0, 0.35);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-full: 9999px;
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-neon-strong: 0 0 25px rgba(0, 240, 255, 0.7);
            --shadow-lime-glow: 0 0 20px rgba(204, 255, 0, 0.5);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== BASE & RESET ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg-primary);
            color: var(--color-text-white);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            outline: none;
        }

        input, textarea, select {
            font-family: inherit;
            outline: none;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.02em;
        }

        h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
        h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
        h3 { font-size: clamp(1.15rem, 2.5vw, 1.5rem); }

        ::selection {
            background-color: var(--color-accent-cyan);
            color: var(--color-bg-primary);
        }

        /* ===== CUSTOM SCROLLBAR ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--color-bg-secondary);
        }
        ::-webkit-scrollbar-thumb {
            background: linear-gradient(180deg, var(--color-accent-cyan), var(--color-accent-lime));
            border-radius: 3px;
        }

        /* ===== CONTAINER ===== */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ===== TEXT GLOW ===== */
        .text-glow-cyan {
            text-shadow: 0 0 8px rgba(0, 240, 255, 0.4), 0 0 20px rgba(0, 240, 255, 0.2);
        }
        .text-glow-lime {
            text-shadow: 0 0 8px rgba(204, 255, 0, 0.4), 0 0 20px rgba(204, 255, 0, 0.2);
        }

        /* ===== HEADER/NAV ===== */
        .nav-blur {
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .nav-link {
            position: relative;
            transition: color var(--transition-base);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--color-accent-lime), var(--color-accent-cyan));
            transition: width var(--transition-base);
            border-radius: 2px;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active-nav {
            color: var(--color-accent-lime);
            font-weight: 700;
        }
        .nav-link.active-nav::after {
            width: 100%;
        }
        .btn-auth {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.875rem;
            border-radius: var(--radius-full);
            padding: 0.65rem 1.4rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-login {
            color: rgba(255, 255, 255, 0.9);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .btn-login:hover {
            color: var(--color-accent-lime);
            border-color: var(--color-accent-lime);
            background: rgba(204, 255, 0, 0.05);
        }
        .btn-signup {
            color: var(--color-bg-primary);
            background: linear-gradient(135deg, var(--color-accent-lime), var(--color-accent-cyan));
            box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3);
            font-weight: 700;
        }
        .btn-signup:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 30px rgba(204, 255, 0, 0.4);
        }

        /* ===== HERO ===== */
        .hero-category {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            min-height: 70vh;
            display: flex;
            align-items: center;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 12, 32, 0.65) 0%, rgba(11, 26, 48, 0.9) 70%, var(--color-bg-primary) 100%);
            z-index: 1;
        }
        .hero-overlay-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 1rem;
            border-radius: var(--radius-full);
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--color-border-cyan);
            color: var(--color-accent-cyan);
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
        }
        .hero-data-badge {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.25rem;
            border-radius: var(--radius-md);
            background: rgba(15, 12, 32, 0.7);
            border: 1px solid rgba(0, 240, 255, 0.25);
            backdrop-filter: blur(8px);
            color: var(--color-text-white);
            font-weight: 600;
            font-size: 0.9rem;
        }
        .hero-data-badge i {
            color: var(--color-accent-cyan);
            font-size: 1.2rem;
        }

        /* ===== CARD RANKING ===== */
        .rank-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-cyan);
            border-radius: var(--radius-lg);
            padding: 1.25rem;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(6px);
        }
        .rank-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--color-accent-cyan), var(--color-accent-lime));
            border-radius: 0 2px 2px 0;
        }
        .rank-card:hover {
            border-color: var(--color-accent-cyan);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.25);
            transform: translateY(-3px);
        }
        .rank-card.rank-top-1 {
            border-color: var(--color-accent-lime);
            box-shadow: 0 0 30px rgba(204, 255, 0, 0.2);
        }
        .rank-card.rank-top-1::before {
            background: linear-gradient(180deg, var(--color-accent-lime), var(--color-accent-cyan));
        }
        .rank-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent-cyan), rgba(0, 240, 255, 0.3));
            color: var(--color-bg-primary);
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .rank-number.rank-1 {
            background: linear-gradient(135deg, var(--color-accent-lime), #FFD700);
            box-shadow: 0 0 20px rgba(204, 255, 0, 0.6);
        }
        .rank-badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.3rem 0.8rem;
            border-radius: var(--radius-full);
            font-size: 0.7rem;
            font-weight: 700;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--color-border-cyan);
            color: var(--color-accent-cyan);
        }
        .rank-badge-tag.hot {
            background: rgba(255, 0, 0, 0.15);
            border-color: rgba(255, 0, 0, 0.4);
            color: #ff6b6b;
        }
        .rank-score {
            color: var(--color-accent-lime);
            font-weight: 800;
            font-size: 1.2rem;
        }

        /* ===== BUTTONS ===== */
        .btn-primary-neon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--color-accent-lime), var(--color-accent-cyan));
            color: var(--color-bg-primary);
            border-radius: var(--radius-full);
            padding: 0.8rem 1.8rem;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3);
        }
        .btn-primary-neon:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 30px rgba(204, 255, 0, 0.5);
        }
        .btn-outline-neon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            background: transparent;
            color: var(--color-accent-cyan);
            border: 1px solid var(--color-accent-cyan);
            border-radius: var(--radius-full);
            padding: 0.7rem 1.5rem;
            font-size: 0.85rem;
            transition: all var(--transition-base);
        }
        .btn-outline-neon:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }

        /* ===== SECTION HEADING ===== */
        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-accent-cyan);
            margin-bottom: 0.5rem;
        }
        .section-title {
            color: var(--color-text-white);
            margin-bottom: 1rem;
        }
        .section-desc {
            color: var(--color-text-gray);
            max-width: 680px;
            line-height: 1.7;
        }

        /* ===== SCENARIO CARDS ===== */
        .scenario-card {
            background: var(--color-bg-elevated);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            transition: all var(--transition-base);
            backdrop-filter: blur(6px);
        }
        .scenario-card:hover {
            border-color: var(--color-accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
            transform: translateY(-2px);
        }
        .scenario-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: rgba(0, 240, 255, 0.1);
            color: var(--color-accent-cyan);
            margin-bottom: 1rem;
        }

        /* ===== STEP ITEMS ===== */
        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number-chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-lime));
            color: var(--color-bg-primary);
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
            margin-top: 0.25rem;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--color-bg-elevated);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
        }
        .faq-question {
            padding: 1.1rem 1.25rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-white);
            transition: color var(--transition-base);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--color-accent-cyan);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            color: var(--color-text-gray);
            font-size: 0.9rem;
            line-height: 1.7;
            padding: 0 1.25rem;
        }
        .faq-answer-inner {
            padding-bottom: 1.1rem;
        }
        .faq-item.active-faq .faq-answer {
            max-height: 500px;
        }
        .faq-item.active-faq .faq-question {
            color: var(--color-accent-cyan);
        }
        .faq-toggle-icon {
            font-size: 1rem;
            transition: transform var(--transition-base);
            color: var(--color-accent-cyan);
            flex-shrink: 0;
        }
        .faq-item.active-faq .faq-toggle-icon {
            transform: rotate(45deg);
        }

        /* ===== CTA SECTION ===== */
        .cta-panel {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(204, 255, 0, 0.06));
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* ===== FOOTER ===== */
        .footer-link {
            color: var(--color-text-gray);
            transition: color var(--transition-base);
        }
        .footer-link:hover {
            color: var(--color-accent-cyan);
        }

        /* ===== FAB ===== */
        .fab-neon {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            display: flex;
            align-items: center;
            gap: 0.65rem;
            padding: 0.7rem 1.1rem;
            border-radius: var(--radius-full);
            background: rgba(15, 12, 32, 0.7);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(15, 12, 32, 0.75), rgba(15, 12, 32, 0.75)), linear-gradient(135deg, var(--color-accent-lime), var(--color-accent-cyan));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            color: var(--color-accent-cyan);
            font-size: 0.8rem;
            font-weight: 700;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
            cursor: pointer;
            transition: all var(--transition-base);
            opacity: 0.65;
            min-height: 48px;
            white-space: nowrap;
        }
        .fab-neon i {
            font-size: 1.3rem;
        }
        .fab-neon:hover {
            opacity: 1;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.7);
            transform: scale(1.05);
            color: var(--color-accent-lime);
        }
        .fab-neon:active {
            transform: scale(0.95);
            box-shadow: 0 0 40px rgba(204, 255, 0, 0.6);
        }
        .fab-notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 10px;
            height: 10px;
            background: #FF0040;
            border-radius: 50%;
            border: 2px solid var(--color-bg-primary);
            animation: blink-dot 1.8s infinite;
        }
        @keyframes blink-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.25; }
        }
        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }
        .fab-neon {
            animation: fab-float 3s ease-in-out infinite;
        }
        .fab-neon:hover {
            animation-play-state: paused;
        }

        /* ===== MOBILE MENU ===== */
        #mobile-menu {
            transition: max-height var(--transition-base);
            max-height: 0;
            overflow: hidden;
        }
        #mobile-menu.open-menu {
            max-height: 400px;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .hero-category {
                min-height: 60vh;
            }
        }

        @media (max-width: 768px) {
            .hero-category {
                min-height: 55vh;
            }
            h1 {
                font-size: clamp(1.6rem, 7vw, 2.5rem);
            }
            h2 {
                font-size: clamp(1.3rem, 5vw, 1.75rem);
            }
            .hero-data-badge {
                font-size: 0.75rem;
                padding: 0.55rem 0.85rem;
            }
            .rank-card {
                padding: 1rem;
            }
            .cta-panel {
                padding: 1.75rem;
            }
            .fab-neon {
                bottom: 5.5rem;
                left: 0.75rem;
                padding: 0.6rem 0.85rem;
                font-size: 0.7rem;
            }
            .fab-neon i {
                font-size: 1.1rem;
            }
            .btn-auth {
                padding: 0.55rem 0.9rem;
                font-size: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 14px;
            }
            .container-custom {
                padding-left: 0.75rem;
                padding-right: 0.75rem;
            }
            .hero-category {
                min-height: 50vh;
            }
            h1 {
                font-size: clamp(1.4rem, 8vw, 2rem);
            }
            h2 {
                font-size: clamp(1.15rem, 6vw, 1.4rem);
            }
            .rank-number {
                width: 34px;
                height: 34px;
                font-size: 0.85rem;
            }
            .btn-primary-neon, .btn-outline-neon {
                font-size: 0.8rem;
                padding: 0.65rem 1.2rem;
                width: 100%;
            }
            .btn-auth {
                padding: 0.45rem 0.7rem;
                font-size: 0.68rem;
            }
            .fab-neon {
                bottom: 5rem;
                left: 0.5rem;
                padding: 0.55rem 0.7rem;
                font-size: 0.65rem;
            }
            .fab-neon i {
                font-size: 1rem;
            }
            .step-item {
                gap: 0.75rem;
            }
            .step-number-chip {
                width: 30px;
                height: 30px;
                font-size: 0.7rem;
            }
            .cta-panel {
                padding: 1.25rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0F0C20;
            --secondary-bg: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-gray: #A6ACAF;
            --border-glow: rgba(0, 240, 255, 0.2);
            --card-bg: rgba(15, 12, 32, 0.95);
            --radius-md: 1rem;
            --radius-lg: 1.5rem;
            --shadow-glow: 0 0 15px rgba(0, 240, 255, 0.3);
            --shadow-glow-strong: 0 0 25px rgba(0, 240, 255, 0.5);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Be Vietnam Pro', 'Segoe UI', Roboto, Arial, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s, transform 0.2s, opacity 0.2s;
        }

        button, .btn {
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .text-glow-cyan {
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.7);
        }

        .text-glow-lime {
            text-shadow: 0 0 10px rgba(204, 255, 0, 0.6);
        }

        .bg-gradient-cyber {
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
        }

        .card-cyber {
            background: rgba(11, 26, 48, 0.85);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
        }

        .card-cyber:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 240, 255, 0.6);
            box-shadow: var(--shadow-glow);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: #000;
            font-weight: 700;
            border-radius: 9999px;
            padding: 0.9rem 2.2rem;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            box-shadow: 0 4px 20px rgba(0, 240, 255, 0.4);
            border: none;
        }

        .btn-primary:hover {
            box-shadow: 0 6px 30px rgba(204, 255, 0, 0.6);
            transform: scale(1.03);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            font-weight: 600;
            border-radius: 9999px;
            padding: 0.8rem 2rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s;
        }

        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: var(--shadow-glow);
        }

        .ticker {
            background: linear-gradient(90deg, #D32F2F, #FF4500);
            color: #fff;
            font-weight: 600;
            padding: 0.75rem 1.5rem;
            border-radius: 9999px;
            box-shadow: 0 0 25px rgba(255, 69, 0, 0.5);
        }

        .timer-box {
            background: rgba(0, 0, 0, 0.6);
            border: 1px solid var(--accent-cyan);
            border-radius: 0.75rem;
            padding: 0.5rem 1rem;
            min-width: 50px;
            text-align: center;
            font-weight: 700;
            color: var(--accent-cyan);
        }

        .faq-item {
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            padding: 1.2rem 0;
        }

        .faq-question {
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s;
            color: var(--text-gray);
            padding-top: 0;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding-top: 1rem;
        }

        .floating-fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(11, 26, 48, 0.7);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-image: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan)) 1;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            opacity: 0.7;
            animation: breathe 2s infinite;
            transition: all 0.3s;
        }

        .floating-fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(204, 255, 0, 0.8);
        }

        @keyframes breathe {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 1; }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-glow: rgba(0, 240, 255, 0.2);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-lime: 0 0 25px rgba(204, 255, 0, 0.3);
        }
        
        * {
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 20% 30%, rgba(0, 240, 255, 0.05) 0%, transparent 60%),
                        radial-gradient(circle at 80% 70%, rgba(204, 255, 0, 0.04) 0%, transparent 50%),
                        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255,255,255,0.01) 2px, rgba(255,255,255,0.01) 4px);
            pointer-events: none;
            z-index: -1;
        }
        
        .text-glow-cyan {
            text-shadow: 0 0 8px rgba(0, 240, 255, 0.7);
        }
        
        .text-glow-lime {
            text-shadow: 0 0 10px rgba(204, 255, 0, 0.6);
        }
        
        .btn-primary {
            background: linear-gradient(135deg, #CCFF00 0%, #00F0FF 100%);
            color: #0F0C20;
            font-weight: 800;
            transition: all 0.3s ease;
        }
        
        .btn-primary:hover {
            transform: scale(1.03);
            box-shadow: var(--shadow-lime);
        }
        
        .btn-outline {
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            font-weight: 700;
            transition: all 0.3s ease;
        }
        
        .btn-outline:hover {
            background: var(--accent-cyan);
            color: #0F0C20;
            box-shadow: var(--shadow-neon);
        }
        
        .card-neon {
            background: rgba(11, 26, 48, 0.7);
            border: 1px solid rgba(0, 240, 255, 0.25);
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }
        
        .card-neon:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
            transform: translateY(-4px);
        }
        
        .section-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.4), transparent);
            margin: 3rem 0;
        }
        
        .hero-bg {
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        
        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 12, 32, 0.85) 0%, rgba(15, 12, 32, 0.7) 50%, rgba(15, 12, 32, 0.95) 100%);
            z-index: 0;
        }
        
        .hero-content {
            position: relative;
            z-index: 1;
        }
        
        .fab-custom {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 9999px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(8px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            transition: all 0.3s ease;
            opacity: 0.7;
            animation: breathe 3s infinite ease-in-out;
        }
        
        .fab-custom::before {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 9999px;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            z-index: -1;
            opacity: 0.8;
        }
        
        .fab-custom:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
        }
        
        @keyframes breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        
        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid #0F0C20;
            animation: blink 1.2s infinite;
        }
        
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.2; }
        }
        
        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            color: #0F0C20;
            font-weight: 900;
            font-size: 1.25rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem !important;
            }
            .hero-subtitle {
                font-size: 1rem !important;
            }
        }
        
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem !important;
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .feature-icon {
                width: 44px;
                height: 44px;
                font-size: 1.25rem;
            }
        }