/* roulang page: index */
:root {
            --primary-bg: #0F0C20;
            --secondary-bg: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --card-bg: rgba(15, 12, 32, 0.85);
            --card-border: rgba(0, 240, 255, 0.15);
            --card-glow: rgba(0, 240, 255, 0.25);
            --btn-gradient: linear-gradient(135deg, #CCFF00 0%, #00F0FF 100%);
            --radius-lg: 1.25rem;
            --radius-md: 0.875rem;
            --radius-sm: 0.5rem;
            --shadow-neon: 0 0 18px rgba(0, 240, 255, 0.45);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.5);
            --transition-smooth: all 0.28s cubic-bezier(0.25, 0.8, 0.25, 1.2);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(15, 12, 32, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            padding: 0.85rem 0;
            transition: var(--transition-smooth);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 0.45rem;
            white-space: nowrap;
        }

        .nav-logo i {
            color: var(--accent-cyan);
            font-size: 1.6rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition-smooth);
            position: relative;
            padding-bottom: 4px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #fff;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            transition: width 0.2s ease;
            border-radius: 2px;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 0.6rem 1.4rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        .btn-signup {
            background: var(--btn-gradient);
            border: none;
            color: #0F0C20;
            padding: 0.6rem 1.5rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(0, 240, 255, 0.3);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(0, 240, 255, 0.5);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
        }

        /* Hero */
        .hero-section {
            padding: 9rem 0 6rem;
            background: radial-gradient(ellipse at 20% 50%, rgba(0, 240, 255, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 40%, rgba(204, 255, 0, 0.08) 0%, transparent 55%),
                var(--secondary-bg);
            position: relative;
            overflow: hidden;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
            align-items: center;
        }

        .hero-left h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 1.5rem;
            background: linear-gradient(to right, #fff, var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-left p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            max-width: 520px;
            line-height: 1.65;
        }

        .hero-buttons {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--btn-gradient);
            border: none;
            color: #0F0C20;
            padding: 0.9rem 2.2rem;
            border-radius: 3rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 18px rgba(0, 240, 255, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(0, 240, 255, 0.55);
        }

        .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            padding: 0.9rem 2.2rem;
            border-radius: 3rem;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .btn-outline-light:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
        }

        .hero-right {
            background: rgba(11, 26, 48, 0.7);
            backdrop-filter: blur(8px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-card);
        }

        .data-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        }

        .data-row:last-child {
            border-bottom: none;
        }

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

        .data-value {
            font-weight: 700;
            color: #fff;
            font-size: 1.1rem;
        }

        .data-value.highlight {
            color: var(--accent-lime);
        }

        /* Section base */
        .section {
            padding: 5rem 0;
        }

        .section-dark {
            background: var(--secondary-bg);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #fff;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 3rem;
            max-width: 650px;
        }

        /* Promo Ladder */
        .promo-ladder {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
        }

        .promo-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: var(--transition-smooth);
            position: relative;
        }

        .promo-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            transform: translateY(-6px);
        }

        .promo-badge {
            position: absolute;
            top: -12px;
            right: 1.5rem;
            background: var(--accent-lime);
            color: #0F0C20;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            letter-spacing: 0.3px;
        }

        .promo-icon {
            font-size: 2.2rem;
            color: var(--accent-cyan);
            margin-bottom: 1.2rem;
        }

        .promo-card h3 {
            font-size: 1.3rem;
            margin: 0 0 0.8rem;
        }

        .promo-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.55;
            margin-bottom: 1.5rem;
        }

        .promo-highlight {
            font-weight: 700;
            color: var(--accent-lime);
            font-size: 1.2rem;
        }

        /* Table comparison */
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: rgba(15, 12, 32, 0.6);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--card-border);
        }

        .comparison-table th,
        .comparison-table td {
            padding: 1.2rem 1.5rem;
            text-align: left;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .comparison-table th {
            background: rgba(0, 240, 255, 0.08);
            font-weight: 700;
            color: #fff;
            font-size: 0.95rem;
        }

        .comparison-table td {
            color: var(--text-secondary);
            font-size: 0.93rem;
        }

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

        /* Trust bar */
        .trust-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            justify-content: center;
            align-items: center;
            padding: 2.5rem 0;
            background: rgba(15, 12, 32, 0.5);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-weight: 600;
            color: #fff;
        }

        .trust-item i {
            font-size: 1.8rem;
            color: var(--accent-cyan);
        }

        /* News section */
        .news-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 2.5rem;
            align-items: start;
        }

        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .news-list li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition-smooth);
        }

        .news-list li:hover {
            background: rgba(0, 240, 255, 0.04);
            padding-left: 0.6rem;
            border-radius: 6px;
        }

        .news-list a {
            color: #fff;
            text-decoration: none;
            font-weight: 500;
            flex: 1;
            margin-right: 1rem;
        }

        .news-list a:hover {
            color: var(--accent-cyan);
        }

        .news-meta {
            color: var(--text-secondary);
            font-size: 0.82rem;
            white-space: nowrap;
        }

        .news-highlight-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
        }

        .news-highlight-card h4 {
            margin: 0 0 1rem;
            font-size: 1.15rem;
        }

        .highlight-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .highlight-list li {
            padding: 0.7rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .highlight-list li i {
            color: var(--accent-lime);
            margin-right: 0.5rem;
        }

        /* Urgency Entry */
        .urgency-banner {
            background: linear-gradient(135deg, rgba(204, 255, 0, 0.1) 0%, rgba(0, 240, 255, 0.1) 100%);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 3rem 2.5rem;
            text-align: center;
        }

        .urgency-banner h2 {
            font-size: 1.9rem;
            margin-bottom: 1rem;
        }

        .urgency-banner p {
            color: var(--text-secondary);
            margin-bottom: 2rem;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.5rem 0;
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.08rem;
            margin-bottom: 0.6rem;
            color: #fff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Footer */
        .footer {
            background: #08060F;
            padding: 4rem 0 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 3rem;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 1.2rem;
        }

        .footer-col p,
        .footer-col li {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 50px;
            background: rgba(15, 12, 32, 0.75);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
            animation: fabPulse 2.5s infinite;
        }

        .fab::before {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 50px;
            padding: 2px;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
        }

        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.65);
        }

        @keyframes fabPulse {
            0%,
            100% {
                opacity: 0.8;
                transform: translateY(0);
            }
            50% {
                opacity: 1;
                transform: translateY(-6px);
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-left h1 {
                font-size: 2.3rem;
            }
            .promo-ladder {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .promo-ladder {
                grid-template-columns: 1fr;
            }
            .hero-section {
                padding: 7rem 0 3.5rem;
            }
            .section {
                padding: 3.5rem 0;
            }
            .trust-bar {
                flex-direction: column;
                gap: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                display: inline-block;
            }
        }

        @media (max-width: 520px) {
            .hero-left h1 {
                font-size: 1.85rem;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .container {
                padding: 0 1rem;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #0F0C20;
            --secondary-bg: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --card-bg: rgba(15, 12, 32, 0.85);
            --card-border: rgba(0, 240, 255, 0.15);
            --card-glow: rgba(0, 240, 255, 0.25);
            --btn-gradient: linear-gradient(135deg, #CCFF00 0%, #00F0FF 100%);
            --radius-lg: 1.25rem;
            --radius-md: 0.875rem;
            --radius-sm: 0.5rem;
            --shadow-neon: 0 0 18px rgba(0, 240, 255, 0.45);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.5);
            --transition-smooth: all 0.28s cubic-bezier(0.25, 0.8, 0.25, 1.2);
        }

        body {
            margin: 0;
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(15, 12, 32, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            padding: 0.85rem 0;
            transition: var(--transition-smooth);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 0.45rem;
            white-space: nowrap;
        }

        .nav-logo i {
            color: var(--accent-cyan);
            font-size: 1.6rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition-smooth);
            position: relative;
            padding-bottom: 4px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #fff;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            transition: width 0.2s ease;
            border-radius: 2px;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 0.6rem 1.4rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        .btn-signup {
            background: var(--btn-gradient);
            border: none;
            color: #0F0C20;
            padding: 0.6rem 1.5rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(0, 240, 255, 0.3);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(0, 240, 255, 0.5);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
        }

        /* Article Header Banner */
        .article-banner {
            padding: 9rem 0 4rem;
            background: radial-gradient(ellipse at 30% 30%, rgba(0, 240, 255, 0.10) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 60%, rgba(204, 255, 0, 0.07) 0%, transparent 55%),
                var(--secondary-bg);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }

        .article-header-content {
            max-width: 860px;
            margin: 0 auto;
        }

        .article-meta-top {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
            margin-bottom: 1.8rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .article-meta-top .category-tag {
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-cyan);
            padding: 0.35rem 1rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.3px;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .article-meta-top span i {
            margin-right: 0.35rem;
            color: var(--accent-lime);
        }

        .article-header-content h1 {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 1.5rem;
            color: #fff;
        }

        .article-header-content .article-excerpt {
            font-size: 1.2rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2rem;
            border-left: 3px solid var(--accent-cyan);
            padding-left: 1.5rem;
            font-style: italic;
        }

        /* Article Body */
        .article-body-section {
            padding: 3rem 0 5rem;
            background: var(--primary-bg);
        }

        .article-body-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }

        .article-content {
            color: #E0E0E0;
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .article-content h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: #fff;
            margin: 2.5rem 0 1.2rem;
            border-bottom: 2px solid rgba(0, 240, 255, 0.2);
            padding-bottom: 0.5rem;
        }

        .article-content h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--accent-cyan);
            margin: 2rem 0 1rem;
        }

        .article-content p {
            margin-bottom: 1.4rem;
            color: #D1D5DB;
        }

        .article-content ul,
        .article-content ol {
            margin: 1.2rem 0 1.8rem;
            padding-left: 1.8rem;
        }

        .article-content li {
            margin-bottom: 0.7rem;
            color: #D1D5DB;
        }

        .article-content li::marker {
            color: var(--accent-lime);
        }

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

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

        .article-content img {
            border-radius: var(--radius-md);
            max-width: 100%;
            height: auto;
            margin: 1.8rem 0;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--card-border);
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
            padding: 1.2rem 1.8rem;
            margin: 2rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #ccc;
            font-style: italic;
        }

        .article-content strong {
            color: #fff;
            font-weight: 600;
        }

        /* Not Found */
        .not-found-state {
            text-align: center;
            padding: 6rem 2rem;
            background: rgba(255, 0, 0, 0.05);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 100, 100, 0.2);
        }

        .not-found-state i {
            font-size: 3.5rem;
            color: #ff6b6b;
            margin-bottom: 1.5rem;
        }

        .not-found-state h2 {
            color: #fff;
            margin-bottom: 1rem;
        }

        .not-found-state .btn-back {
            display: inline-block;
            background: var(--btn-gradient);
            border: none;
            color: #0F0C20;
            padding: 0.8rem 2rem;
            border-radius: 3rem;
            font-weight: 700;
            text-decoration: none;
            transition: var(--transition-smooth);
            margin-top: 1.5rem;
        }

        .not-found-state .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-neon);
        }

        /* CTA Section */
        .cta-section {
            padding: 4rem 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(0, 240, 255, 0.08) 0%, transparent 60%),
                var(--secondary-bg);
            text-align: center;
            border-top: 1px solid var(--card-border);
        }

        .cta-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            max-width: 700px;
            margin: 0 auto;
            box-shadow: var(--shadow-card);
        }

        .cta-card h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #fff;
        }

        .cta-card p {
            color: var(--text-secondary);
            margin-bottom: 2rem;
            font-size: 1.05rem;
        }

        .cta-buttons {
            display: flex;
            gap: 1.2rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-neon {
            background: var(--btn-gradient);
            border: none;
            color: #0F0C20;
            padding: 0.85rem 2.2rem;
            border-radius: 3rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 18px rgba(0, 240, 255, 0.35);
            text-decoration: none;
            display: inline-block;
        }

        .btn-neon:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-neon);
        }

        .btn-outline-neon {
            background: transparent;
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 0.85rem 2.2rem;
            border-radius: 3rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            text-decoration: none;
            display: inline-block;
        }

        .btn-outline-neon:hover {
            background: rgba(0, 240, 255, 0.08);
            border-color: var(--accent-lime);
            color: var(--accent-lime);
        }

        /* Footer */
        .footer {
            background: #080612;
            padding: 3.5rem 0 2rem;
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            color: var(--text-secondary);
            font-size: 0.92rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 2.5rem;
        }

        .footer-col h4 {
            color: #fff;
            margin-bottom: 1rem;
            font-size: 1.1rem;
            font-weight: 700;
        }

        .footer-col p {
            line-height: 1.7;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.6rem;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.8rem;
            text-align: center;
            color: #777;
            font-size: 0.82rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-header-content h1 {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

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

            .article-banner {
                padding: 7rem 0 3rem;
            }

            .article-header-content h1 {
                font-size: 1.8rem;
            }

            .article-header-content .article-excerpt {
                font-size: 1.05rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0F0C20;
            --secondary-bg: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --card-bg: rgba(15, 12, 32, 0.85);
            --card-border: rgba(0, 240, 255, 0.15);
            --card-glow: rgba(0, 240, 255, 0.25);
            --btn-gradient: linear-gradient(135deg, #CCFF00 0%, #00F0FF 100%);
            --radius-lg: 1.25rem;
            --radius-md: 0.875rem;
            --radius-sm: 0.5rem;
            --shadow-neon: 0 0 18px rgba(0, 240, 255, 0.45);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.5);
            --transition-smooth: all 0.28s cubic-bezier(0.25, 0.8, 0.25, 1.2);
        }

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(15, 12, 32, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            padding: 0.85rem 0;
            transition: var(--transition-smooth);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 0.45rem;
            white-space: nowrap;
        }

        .nav-logo i {
            color: var(--accent-cyan);
            font-size: 1.6rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition-smooth);
            position: relative;
            padding-bottom: 4px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #fff;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            transition: width 0.2s ease;
            border-radius: 2px;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 0.6rem 1.4rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        .btn-signup {
            background: var(--btn-gradient);
            border: none;
            color: #0F0C20;
            padding: 0.6rem 1.5rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(0, 240, 255, 0.3);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(0, 240, 255, 0.5);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
        }

        /* Page Banner */
        .page-banner {
            padding: 9rem 0 5rem;
            background: radial-gradient(ellipse at 20% 50%, rgba(0, 240, 255, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 40%, rgba(204, 255, 0, 0.08) 0%, transparent 55%),
                var(--secondary-bg);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--card-border);
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .banner-content {
            position: relative;
            z-index: 1;
            max-width: 900px;
        }

        .banner-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 1.2rem;
            background: linear-gradient(to right, #fff, var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .banner-content p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 650px;
        }

        .badge-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-top: 1.5rem;
        }

        .badge-tag {
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .badge-tag i {
            font-size: 0.8rem;
        }

        /* Section Styles */
        .section {
            padding: 5rem 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #fff;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 3rem;
            max-width: 700px;
        }

        /* Download Step Cards */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .step-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            text-align: left;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .step-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 8px 30px rgba(0, 240, 255, 0.2);
            transform: translateY(-4px);
        }

        .step-number {
            width: 48px;
            height: 48px;
            background: var(--btn-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            color: #0F0C20;
            margin-bottom: 1.2rem;
        }

        .step-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.7rem;
            color: #fff;
        }

        .step-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin: 0;
        }

        /* Download Buttons Area */
        .download-area {
            background: linear-gradient(135deg, rgba(15, 12, 32, 0.95), rgba(11, 26, 48, 0.95));
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 3rem 2.5rem;
            margin-top: 2rem;
        }

        .download-buttons {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-top: 1.5rem;
        }

        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 0.7rem;
            padding: 1rem 2.2rem;
            border-radius: 3rem;
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition-smooth);
            border: none;
            cursor: pointer;
        }

        .btn-apk {
            background: var(--btn-gradient);
            color: #0F0C20;
            box-shadow: 0 4px 18px rgba(0, 240, 255, 0.3);
        }

        .btn-apk:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(0, 240, 255, 0.5);
        }

        .btn-ios {
            background: transparent;
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
        }

        .btn-ios:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }

        .device-icons {
            display: flex;
            gap: 2rem;
            align-items: center;
            margin-top: 1.8rem;
            flex-wrap: wrap;
        }

        .device-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .device-item i {
            color: var(--accent-cyan);
            font-size: 1.2rem;
        }

        /* Feature Grid */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }

        .feature-block {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 2rem;
            transition: var(--transition-smooth);
        }

        .feature-block:hover {
            border-color: var(--accent-cyan);
        }

        .feature-block h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .feature-block h3 i {
            color: var(--accent-cyan);
        }

        .feature-block p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin: 0;
        }

        /* FAQ Section */
        .faq-list {
            max-width: 850px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.8rem;
            margin-bottom: 1rem;
            transition: var(--transition-smooth);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 2px 12px rgba(0, 240, 255, 0.12);
        }

        .faq-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .faq-item h3 i {
            color: var(--accent-cyan);
            font-size: 1rem;
            transition: transform 0.3s ease;
        }

        .faq-item p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin: 0;
        }

        /* Requirements Table */
        .req-table-wrap {
            overflow-x: auto;
            margin-top: 2rem;
        }

        .req-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--card-border);
        }

        .req-table th,
        .req-table td {
            padding: 1rem 1.5rem;
            text-align: left;
            border-bottom: 1px solid var(--card-border);
        }

        .req-table th {
            background: rgba(0, 240, 255, 0.08);
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .req-table td {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

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

        /* CTA */
        .cta-section {
            background: radial-gradient(ellipse at center, rgba(0, 240, 255, 0.1) 0%, transparent 60%),
                var(--secondary-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 4rem 3rem;
            text-align: center;
            margin: 5rem 0;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }

        .cta-section p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: var(--btn-gradient);
            color: #0F0C20;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 3rem;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(0, 240, 255, 0.4);
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 240, 255, 0.55);
        }

        /* Footer */
        .footer {
            background: rgba(11, 26, 48, 0.6);
            border-top: 1px solid var(--card-border);
            padding: 3.5rem 0 2rem;
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2.5rem;
        }

        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #fff;
        }

        .footer-col p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

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

        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            text-align: center;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--card-border);
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        /* FAB - Cyber & Neon Style */
        .fab-floating {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 52px;
            height: 52px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            animation: neonPulse 2.5s infinite ease-in-out;
            opacity: 0.6;
        }

        .fab-floating::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            border-radius: 50%;
            z-index: -1;
            opacity: 0.7;
        }

        .fab-floating i {
            color: #fff;
            font-size: 1.4rem;
            position: relative;
            z-index: 1;
        }

        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.8);
        }

        .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 10px;
            height: 10px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid #000;
            animation: blink 1.5s infinite;
        }

        @keyframes neonPulse {
            0%,
            100% {
                box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            }
            50% {
                box-shadow: 0 0 28px rgba(0, 240, 255, 0.8);
            }
        }

        @keyframes blink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.2;
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(15, 12, 32, 0.96);
                flex-direction: column;
                padding: 1.5rem;
                border-bottom: 1px solid var(--card-border);
            }
            .nav-links.show {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                padding: 0.5rem 1rem;
                font-size: 0.8rem;
            }
            .banner-content h1 {
                font-size: 2rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .download-buttons {
                flex-direction: column;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 2.5rem 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1rem;
            }
            .banner-content h1 {
                font-size: 1.6rem;
            }
            .banner-content p {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .btn-download {
                padding: 0.8rem 1.5rem;
                font-size: 0.9rem;
            }
            .fab-floating {
                width: 44px;
                height: 44px;
                left: 0.5rem;
                bottom: 5rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0F0C20;
            --secondary-bg: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --card-bg: rgba(15, 12, 32, 0.85);
            --card-border: rgba(0, 240, 255, 0.15);
            --card-glow: rgba(0, 240, 255, 0.25);
            --btn-gradient: linear-gradient(135deg, #CCFF00 0%, #00F0FF 100%);
            --radius-lg: 1.25rem;
            --radius-md: 0.875rem;
            --radius-sm: 0.5rem;
            --shadow-neon: 0 0 18px rgba(0, 240, 255, 0.45);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.5);
            --transition-smooth: all 0.28s cubic-bezier(0.25, 0.8, 0.25, 1.2);
        }
        body {
            margin: 0;
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        * {
            box-sizing: border-box;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(15, 12, 32, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            padding: 0.85rem 0;
            transition: var(--transition-smooth);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .nav-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 0.45rem;
            white-space: nowrap;
        }
        .nav-logo i {
            color: var(--accent-cyan);
            font-size: 1.6rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition-smooth);
            position: relative;
            padding-bottom: 4px;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: #fff;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            transition: width 0.2s ease;
            border-radius: 2px;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 0.6rem 1.4rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-smooth);
        }
        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .btn-signup {
            background: var(--btn-gradient);
            border: none;
            color: #0F0C20;
            padding: 0.6rem 1.5rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(0, 240, 255, 0.3);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(0, 240, 255, 0.5);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
        }
        .page-hero {
            padding: 9rem 0 5rem;
            background: radial-gradient(ellipse at 30% 60%, rgba(0, 240, 255, 0.1) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 30%, rgba(204, 255, 0, 0.06) 0%, transparent 55%),
                var(--secondary-bg);
            position: relative;
            overflow: hidden;
        }
        .page-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .page-hero-left h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 1.3rem;
            background: linear-gradient(to right, #fff, var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero-left p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            max-width: 500px;
            line-height: 1.6;
        }
        .page-hero-right img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-neon), var(--shadow-card);
            border: 1px solid var(--card-border);
        }
        .btn-primary {
            background: var(--btn-gradient);
            border: none;
            color: #0F0C20;
            padding: 0.9rem 2.2rem;
            border-radius: 3rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 18px rgba(0, 240, 255, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(0, 240, 255, 0.55);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 0.85rem 2rem;
            border-radius: 3rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.12);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }
        .section {
            padding: 5rem 0;
        }
        .section-dark {
            background: var(--secondary-bg);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 3rem;
            max-width: 650px;
        }
        .download-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            text-align: center;
            transition: var(--transition-smooth);
            backdrop-filter: blur(6px);
        }
        .download-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 25px var(--card-glow);
            transform: translateY(-6px);
        }
        .download-card i {
            font-size: 3.5rem;
            color: var(--accent-cyan);
            margin-bottom: 1.2rem;
        }
        .download-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: #fff;
        }
        .download-card p {
            color: var(--text-secondary);
            margin-bottom: 1.8rem;
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .steps-list {
            list-style: none;
            padding: 0;
            counter-reset: step;
        }
        .steps-list li {
            counter-increment: step;
            display: flex;
            align-items: flex-start;
            gap: 1.5rem;
            padding: 1.5rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .steps-list li:last-child {
            border-bottom: none;
        }
        .step-number {
            width: 48px;
            height: 48px;
            background: var(--btn-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            color: #0F0C20;
            flex-shrink: 0;
            box-shadow: 0 0 15px rgba(204, 255, 0, 0.4);
        }
        .step-content h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 0.4rem;
            color: #fff;
        }
        .step-content p {
            margin: 0;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 2rem;
        }
        .feature-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 2rem 1.5rem;
            transition: var(--transition-smooth);
        }
        .feature-item:hover {
            border-color: rgba(0, 240, 255, 0.4);
            background: rgba(0, 240, 255, 0.04);
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            background: rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.2rem;
            font-size: 1.6rem;
            color: var(--accent-cyan);
        }
        .feature-item h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            color: #fff;
        }
        .feature-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: var(--accent-cyan);
        }
        .faq-question {
            background: none;
            border: none;
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 1.3rem 1.8rem;
            width: 100%;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition-smooth);
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-question i {
            transition: transform 0.25s ease;
        }
        .faq-answer {
            padding: 0 1.8rem 1.5rem;
            color: var(--text-secondary);
            line-height: 1.65;
            font-size: 0.95rem;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08) 0%, rgba(204, 255, 0, 0.06) 100%);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 4rem 2.5rem;
            text-align: center;
            margin: 3rem 0;
        }
        .cta-section h3 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: #fff;
        }
        .cta-section p {
            color: var(--text-secondary);
            margin-bottom: 2rem;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .footer {
            background: rgba(15, 12, 32, 0.95);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 4rem 0 1.5rem;
            color: var(--text-secondary);
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
        }
        .footer-col p {
            line-height: 1.7;
            font-size: 0.9rem;
            margin: 0;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.7rem;
        }
        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color 0.2s;
        }
        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(166, 172, 175, 0.7);
        }
        .fab-button {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 90;
            width: 54px;
            height: 54px;
            background: rgba(15, 12, 32, 0.75);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-radius: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.45);
            color: #fff;
            font-size: 1.5rem;
            opacity: 0.65;
            position: relative;
        }
        .fab-button::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50px;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            z-index: -1;
        }
        .fab-button:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.7);
        }
        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 12px;
            height: 12px;
            background: #FF007F;
            border-radius: 50%;
            box-shadow: 0 0 8px rgba(255, 0, 127, 0.8);
            animation: blink-neon 1.4s infinite;
        }
        @keyframes blink-neon {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        @media (max-width: 1024px) {
            .page-hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .page-hero-left p {
                max-width: 100%;
            }
            .page-hero-right {
                max-width: 450px;
                margin: 0 auto;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .page-hero {
                padding: 7rem 0 3.5rem;
            }
            .page-hero-left h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .cta-section {
                padding: 2.5rem 1.5rem;
            }
            .cta-section h3 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .page-hero-left h1 {
                font-size: 1.7rem;
            }
            .btn-primary, .btn-outline {
                padding: 0.75rem 1.5rem;
                font-size: 0.9rem;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #0F0C20;
            --secondary-bg: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --card-bg: rgba(15, 12, 32, 0.85);
            --card-border: rgba(0, 240, 255, 0.15);
            --card-glow: rgba(0, 240, 255, 0.25);
            --btn-gradient: linear-gradient(135deg, #CCFF00 0%, #00F0FF 100%);
            --radius-lg: 1.25rem;
            --radius-md: 0.875rem;
            --radius-sm: 0.5rem;
            --shadow-neon: 0 0 18px rgba(0, 240, 255, 0.45);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.5);
            --transition-smooth: all 0.28s cubic-bezier(0.25, 0.8, 0.25, 1.2);
        }
        body {
            margin: 0;
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(15, 12, 32, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            padding: 0.85rem 0;
            transition: var(--transition-smooth);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .nav-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 0.45rem;
            white-space: nowrap;
        }
        .nav-logo i {
            color: var(--accent-cyan);
            font-size: 1.6rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition-smooth);
            position: relative;
            padding-bottom: 4px;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: #fff;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            transition: width 0.2s ease;
            border-radius: 2px;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 0.6rem 1.4rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-smooth);
        }
        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .btn-signup {
            background: var(--btn-gradient);
            border: none;
            color: #0F0C20;
            padding: 0.6rem 1.5rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(0, 240, 255, 0.3);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(0, 240, 255, 0.5);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
        }
        .page-banner {
            padding: 8rem 0 4rem;
            background: radial-gradient(ellipse at 30% 60%, rgba(0, 240, 255, 0.1) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 30%, rgba(204, 255, 0, 0.07) 0%, transparent 55%),
                var(--secondary-bg);
            position: relative;
            border-bottom: 1px solid var(--card-border);
        }
        .banner-content {
            max-width: 800px;
        }
        .banner-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 1.2rem;
            background: linear-gradient(to right, #fff, var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .banner-content p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .btn-primary {
            background: var(--btn-gradient);
            border: none;
            color: #0F0C20;
            padding: 0.9rem 2.2rem;
            border-radius: 3rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 18px rgba(0, 240, 255, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            text-decoration: none;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(0, 240, 255, 0.55);
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 0.9rem 2.2rem;
            border-radius: 3rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            text-decoration: none;
        }
        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.08);
            box-shadow: var(--shadow-neon);
            transform: translateY(-3px);
        }
        .section {
            padding: 5rem 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #fff;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 3rem;
            max-width: 650px;
        }
        .guide-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 2.2rem;
            transition: var(--transition-smooth);
            backdrop-filter: blur(10px);
            margin-bottom: 1.8rem;
        }
        .guide-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 28px var(--card-glow), var(--shadow-card);
            transform: translateY(-4px);
        }
        .guide-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin: 0 0 0.8rem;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .guide-card h3 i {
            color: var(--accent-lime);
            font-size: 1.5rem;
        }
        .guide-card p {
            color: var(--text-secondary);
            margin: 0 0 1rem;
            line-height: 1.65;
        }
        .step-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .step-list li {
            padding: 0.6rem 0 0.6rem 2rem;
            position: relative;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .step-list li::before {
            content: '▸';
            position: absolute;
            left: 0;
            color: var(--accent-lime);
            font-weight: 700;
    }
    .faq-item {
        background: var(--card-bg);
        border: 1px solid var(--card-border);
        border-radius: var(--radius-md);
        margin-bottom: 1rem;
        overflow: hidden;
        transition: var(--transition-smooth);
    }
    .faq-item:hover {
        border-color: var(--accent-cyan);
    }
    .faq-question {
        padding: 1.3rem 1.8rem;
        font-weight: 700;
        font-size: 1.08rem;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        color: #fff;
        background: rgba(255,255,255,0.02);
        transition: background 0.2s;
    }
    .faq-question:hover {
        background: rgba(255,255,255,0.04);
    }
    .faq-answer {
        padding: 0 1.8rem 1.3rem;
        color: var(--text-secondary);
        line-height: 1.7;
        display: none;
    }
    .faq-item.open .faq-answer {
        display: block;
    }
    .cta-section {
        background: radial-gradient(ellipse at 50% 50%, rgba(0, 240, 255, 0.18) 0%, transparent 60%),
            var(--secondary-bg);
        border: 1px solid var(--card-border);
        border-radius: var(--radius-lg);
        padding: 4rem 2.5rem;
        text-align: center;
        margin: 4rem auto;
        max-width: 900px;
    }
    .cta-section h2 {
        font-size: 2.4rem;
        font-weight: 800;
        margin-bottom: 1rem;
    }
    .cta-section p {
        color: var(--text-secondary);
        font-size: 1.1rem;
        margin-bottom: 2.5rem;
    }
    .badge-tag {
        display: inline-block;
        background: rgba(204, 255, 0, 0.12);
        color: var(--accent-lime);
        padding: 0.35rem 1rem;
        border-radius: 2rem;
        font-size: 0.85rem;
        font-weight: 600;
        border: 1px solid rgba(204, 255, 0, 0.25);
        margin-right: 0.4rem;
        margin-bottom: 0.5rem;
    }
    .hero-buttons {
        display: flex;
        gap: 1.2rem;
        flex-wrap: wrap;
        margin-top: 2rem;
    }
    .footer {
        background: #08051A;
        border-top: 1px solid rgba(0, 240, 255, 0.12);
        padding: 3.5rem 0 1.8rem;
        color: var(--text-secondary);
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 2.5rem;
        margin-bottom: 2.5rem;
    }
    .footer h4 {
        color: #fff;
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }
    .footer ul {
        list-style: none;
        padding: 0;
    }
    .footer ul li {
        margin-bottom: 0.55rem;
    }
    .footer ul li a {
        color: var(--text-secondary);
        text-decoration: none;
        transition: color 0.2s;
    }
    .footer ul li a:hover {
        color: var(--accent-cyan);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.05);
        padding-top: 1.8rem;
        text-align: center;
        font-size: 0.9rem;
    }
    @media (max-width: 1024px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media (max-width: 768px) {
        .nav-links {
            display: none;
        }
        .mobile-menu-btn {
            display: block;
        }
        .banner-content h1 {
            font-size: 2rem;
        }
        .hero-buttons {
            flex-direction: column;
            align-items: flex-start;
        }
        .footer-grid {
            grid-template-columns: 1fr;
        }
        .cta-section {
            padding: 2.5rem 1.5rem;
        }
        .cta-section h2 {
            font-size: 1.8rem;
        }
    }