/* roulang page: index */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --text-muted: #6B7280;
            --border-neon: rgba(0, 240, 255, 0.35);
            --border-lime: rgba(204, 255, 0, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.35);
            --shadow-lime: 0 0 18px rgba(204, 255, 0, 0.35);
            --shadow-card: 0 12px 28px rgba(0, 0, 0, 0.55);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --font-base: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

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

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

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

        a {
            text-decoration: none;
            color: var(--accent-cyan);
            transition: color 0.25s ease;
        }

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

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* NAVIGATION */
        .navbar-custom {
            background: rgba(15, 12, 32, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            padding: 12px 0;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .navbar-custom .navbar-brand-custom {
            font-size: 1.15rem;
            font-weight: 800;
            letter-spacing: 0.3px;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .navbar-custom .navbar-brand-custom i {
            color: var(--accent-lime);
            font-size: 1.5rem;
        }

        .navbar-custom .nav-link-custom {
            color: var(--text-silver);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 14px !important;
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
            position: relative;
        }

        .navbar-custom .nav-link-custom:hover,
        .navbar-custom .nav-link-custom.active {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.1);
        }

        .navbar-custom .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
        }

        .btn-outline-login {
            background: transparent;
            border: 1px solid var(--border-neon);
            color: var(--accent-cyan);
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 50px;
            transition: all 0.3s ease;
            font-size: 0.9rem;
        }

        .btn-outline-login:hover {
            background: rgba(0, 240, 255, 0.15);
            border-color: var(--accent-cyan);
            color: var(--text-white);
        }

        .btn-solid-signup {
            background: var(--accent-lime);
            color: #0F0C20;
            font-weight: 700;
            padding: 8px 22px;
            border-radius: 50px;
            border: none;
            transition: all 0.3s ease;
            font-size: 0.9rem;
        }

        .btn-solid-signup:hover {
            background: #dfff3d;
            color: #0F0C20;
            box-shadow: var(--shadow-lime);
            transform: translateY(-1px);
        }

        .navbar-toggler-custom {
            background: transparent;
            border: 1px solid var(--border-neon);
            color: var(--accent-cyan);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            font-size: 1.3rem;
        }

        .navbar-toggler-custom:focus {
            box-shadow: none;
            outline: 2px solid var(--accent-cyan);
        }

        /* HERO - FULL WIDTH SHORT BANNER */
        .hero-banner {
            margin-top: 76px;
            background: linear-gradient(135deg, #0B1A30 0%, #0F0C20 50%, #1E0B36 100%);
            border-bottom: 2px solid var(--border-neon);
            position: relative;
            overflow: hidden;
            min-height: 240px;
            display: flex;
            align-items: center;
            padding: 40px 0;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -10%;
            width: 60%;
            height: 200%;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: -40%;
            right: -5%;
            width: 50%;
            height: 180%;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-banner .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-banner h1 {
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: var(--text-white);
            line-height: 1.3;
        }

        .hero-banner .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-silver);
            max-width: 720px;
            margin-bottom: 24px;
            line-height: 1.65;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary-neon {
            background: var(--accent-cyan);
            color: #0F0C20;
            font-weight: 800;
            padding: 12px 28px;
            border-radius: 50px;
            border: none;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            letter-spacing: 0.3px;
        }

        .btn-primary-neon:hover {
            background: #4df5ff;
            color: #0F0C20;
            box-shadow: var(--shadow-neon);
            transform: translateY(-2px);
        }

        .btn-secondary-neon {
            background: transparent;
            border: 2px solid var(--border-lime);
            color: var(--accent-lime);
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 50px;
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }

        .btn-secondary-neon:hover {
            background: rgba(204, 255, 0, 0.15);
            color: var(--text-white);
            border-color: var(--accent-lime);
        }

        .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-stat-item i {
            font-size: 1.5rem;
            color: var(--accent-lime);
        }

        .hero-stat-item .stat-number {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--text-white);
            line-height: 1;
        }

        .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-silver);
        }

        /* SECTION COMMON */
        .section-padding {
            padding: var(--spacing-xl) 0;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
            color: var(--text-white);
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-silver);
            max-width: 680px;
            margin-bottom: 32px;
            line-height: 1.65;
        }

        /* FEATURE / INTRO CARDS */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 24px;
        }

        .feature-card {
            background: var(--bg-secondary);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

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

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: rgba(0, 240, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .feature-card .feature-icon i {
            font-size: 1.6rem;
            color: var(--accent-cyan);
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-white);
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-silver);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* HOT LIST / RANKING */
        .ranking-table-wrapper {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            border: 1px solid rgba(0, 240, 255, 0.2);
            overflow: hidden;
            margin-top: 20px;
        }

        .ranking-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }

        .ranking-table thead {
            background: rgba(0, 240, 255, 0.08);
        }

        .ranking-table th {
            padding: 14px 18px;
            font-weight: 700;
            color: var(--accent-cyan);
            text-align: left;
            border-bottom: 1px solid var(--border-neon);
            font-size: 0.85rem;
            letter-spacing: 0.3px;
        }

        .ranking-table td {
            padding: 14px 18px;
            color: var(--text-silver);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            vertical-align: middle;
        }

        .ranking-table tr:hover td {
            background: rgba(0, 240, 255, 0.05);
            color: var(--text-white);
        }

        .ranking-table .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent-lime);
            color: #0F0C20;
            font-weight: 800;
            font-size: 0.85rem;
        }

        .rank-trend {
            color: var(--accent-lime);
            font-weight: 700;
            font-size: 0.85rem;
        }

        .rank-hot {
            color: var(--accent-pink);
            font-weight: 700;
            font-size: 0.85rem;
        }

        /* REVIEW WALL */
        .review-wall {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .review-card {
            background: var(--bg-secondary);
            border: 1px solid rgba(204, 255, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all 0.3s ease;
        }

        .review-card:hover {
            border-color: var(--border-lime);
            box-shadow: 0 8px 22px rgba(204, 255, 0, 0.12);
        }

        .review-stars {
            color: var(--accent-lime);
            font-size: 0.95rem;
            margin-bottom: 10px;
        }

        .review-text {
            font-size: 0.95rem;
            color: var(--text-silver);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .review-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 0.9rem;
        }

        .review-name {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-white);
        }

        .review-date {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* NEWS / CMS LIST */
        .news-list-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            margin-top: 20px;
        }

        .news-list-main {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-list-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.25s ease;
            gap: 16px;
        }

        .news-list-item:hover {
            padding-left: 8px;
        }

        .news-list-item .news-title {
            font-weight: 700;
            color: var(--text-white);
            font-size: 1rem;
            flex: 1;
        }

        .news-list-item .news-title a {
            color: var(--text-white);
        }

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

        .news-list-item .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
            display: flex;
            gap: 14px;
            align-items: center;
        }

        .news-list-item .news-meta i {
            color: var(--accent-cyan);
            margin-right: 4px;
        }

        .news-sidebar {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            border: 1px solid rgba(0, 240, 255, 0.2);
            padding: 24px;
            height: fit-content;
        }

        .news-sidebar h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text-white);
        }

        .news-sidebar-item {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.9rem;
        }

        .news-sidebar-item a {
            color: var(--text-silver);
            font-weight: 500;
        }

        .news-sidebar-item a:hover {
            color: var(--accent-lime);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin-top: 20px;
        }

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid rgba(0, 240, 255, 0.18);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: var(--border-neon);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-white);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }

        .faq-question i {
            color: var(--accent-cyan);
            transition: transform 0.3s ease;
            font-size: 0.9rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.92rem;
            color: var(--text-silver);
            line-height: 1.65;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0B1A30 0%, #0F0C20 60%, #1E0B36 100%);
            border: 2px solid var(--border-neon);
            border-radius: var(--radius-lg);
            padding: 48px 36px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 55%;
            height: 220%;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section h3 {
            font-size: 1.7rem;
            font-weight: 900;
            color: var(--text-white);
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--text-silver);
            max-width: 560px;
            position: relative;
            z-index: 2;
            margin-bottom: 24px;
        }

        /* FOOTER */
        .footer-custom {
            background: #0A0816;
            border-top: 2px solid var(--border-neon);
            padding: 40px 0 24px;
            margin-top: 60px;
        }

        .footer-brand {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            display: block;
        }

        .footer-text {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--text-silver);
            font-size: 0.9rem;
            font-weight: 500;
            transition: color 0.25s ease;
        }

        .footer-links a:hover {
            color: var(--accent-lime);
        }

        .footer-copyright {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 28px;
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-pink);
            color: var(--text-white);
            font-weight: 900;
            font-size: 0.8rem;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            margin-right: 8px;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(10px);
            border: 2px solid var(--accent-cyan);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            cursor: pointer;
            transition: all 0.3s ease;
            animation: fabBreathe 3s ease-in-out infinite;
            opacity: 0.6;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.8);
            color: var(--accent-lime);
            border-color: var(--accent-lime);
        }

        .fab-left .notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: var(--accent-pink);
            border-radius: 50%;
            border: 2px solid #0F0C20;
            animation: blinkDot 1.8s ease-in-out infinite;
        }

        @keyframes fabBreathe {
            0%, 100% { box-shadow: 0 0 15px rgba(0, 240, 255, 0.5); }
            50% { box-shadow: 0 0 30px rgba(0, 240, 255, 0.8); }
        }

        @keyframes blinkDot {
            0%, 100{ opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .hero-banner h1 {
                font-size: 1.8rem;
            }
            .news-list-layout {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .hero-banner {
                margin-top: 64px;
                padding: 28px 0;
                min-height: auto;
            }
            .hero-banner h1 {
                font-size: 1.5rem;
            }
            .hero-banner .hero-subtitle {
                font-size: 0.95rem;
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .ranking-table th,
            .ranking-table td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
            .cta-section {
                padding: 32px 22px;
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
            .navbar-custom .navbar-brand-custom {
                font-size: 0.95rem;
            }
            .btn-outline-login,
            .btn-solid-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat-item .stat-number {
                font-size: 1.3rem;
            }
            .review-wall {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 14px;
                padding-right: 14px;
            }
            .hero-banner h1 {
                font-size: 1.3rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-primary-neon,
            .btn-secondary-neon {
                width: 100%;
                text-align: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 10px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .news-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .news-list-item .news-meta {
                white-space: normal;
                flex-wrap: wrap;
            }
            .ranking-table th,
            .ranking-table td {
                padding: 8px 8px;
                font-size: 0.72rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.85rem;
            }
            .fab-left {
                width: 44px;
                height: 44px;
                left: 10px;
                bottom: 80px;
                font-size: 1.2rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --bg-card: rgba(15, 12, 32, 0.85);
            --bg-card-hover: rgba(20, 16, 44, 0.92);
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --accent-yellow: #FFFF00;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --text-muted: #6B7280;
            --border-glow: rgba(0, 240, 255, 0.25);
            --border-glow-strong: rgba(0, 240, 255, 0.55);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-neon-pink: 0 0 15px rgba(255, 0, 127, 0.5);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --font-main: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-heading: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: linear-gradient(160deg, var(--bg-primary) 0%, var(--bg-secondary) 55%, #0F0C20 100%);
            color: var(--text-white);
            line-height: 1.65;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }

        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: radial-gradient(rgba(0, 240, 255, 0.04) 1px, transparent 1px),
                              radial-gradient(rgba(204, 255, 0, 0.03) 1px, transparent 1px);
            background-size: 40px 40px, 60px 60px;
            background-position: 0 0, 20px 30px;
            pointer-events: none;
            z-index: 0;
        }

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover,
        a:focus {
            color: var(--accent-lime);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

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

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Navbar ===== */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            padding: 12px 0;
            transition: var(--transition);
        }

        .navbar-custom.scrolled {
            background: rgba(15, 12, 32, 0.98);
            border-bottom-color: var(--border-glow);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: -0.01em;
            line-height: 1.3;
            max-width: 340px;
        }

        .navbar-brand-custom i {
            font-size: 1.6rem;
            color: var(--accent-cyan);
            filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.6));
            flex-shrink: 0;
        }

        .navbar-brand-custom:hover {
            color: var(--accent-lime);
        }

        .navbar-toggler-custom {
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: var(--radius-sm);
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            transition: var(--transition);
        }

        .navbar-toggler-custom:hover {
            background: rgba(0, 240, 255, 0.2);
            border-color: var(--accent-cyan);
        }

        .nav-link-custom {
            color: var(--text-silver) !important;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 16px !important;
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
        }

        .nav-link-custom:hover,
        .nav-link-custom:focus {
            color: var(--text-white) !important;
            background: rgba(0, 240, 255, 0.08);
        }

        .nav-link-custom.active {
            color: var(--accent-lime) !important;
            background: rgba(204, 255, 0, 0.1);
            font-weight: 600;
        }

        .nav-link-custom.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--accent-lime);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(204, 255, 0, 0.7);
        }

        .btn-outline-login {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 22px;
            border-radius: 50px;
            border: 1px solid rgba(0, 240, 255, 0.5);
            color: var(--accent-cyan);
            font-size: 0.85rem;
            font-weight: 600;
            background: transparent;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-outline-login:hover,
        .btn-outline-login:focus {
            background: rgba(0, 240, 255, 0.12);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
        }

        .btn-solid-signup {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 24px;
            border-radius: 50px;
            border: 1px solid var(--accent-lime);
            background: var(--accent-lime);
            color: #0F0C20;
            font-size: 0.85rem;
            font-weight: 700;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 0 18px rgba(204, 255, 0, 0.35);
        }

        .btn-solid-signup:hover,
        .btn-solid-signup:focus {
            background: #D4FF1A;
            border-color: #D4FF1A;
            color: #0F0C20;
            box-shadow: 0 0 28px rgba(204, 255, 0, 0.55);
            transform: translateY(-2px);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            padding: 140px 0 50px;
            position: relative;
            z-index: 1;
            background: linear-gradient(180deg, rgba(15, 12, 32, 0.6) 0%, rgba(15, 12, 32, 0.3) 60%, transparent 100%);
        }

        .article-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.18;
            pointer-events: none;
            z-index: -1;
        }

        .article-hero::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(15, 12, 32, 0.85) 0%, rgba(15, 12, 32, 0.5) 70%, var(--bg-primary) 100%);
            pointer-events: none;
            z-index: -1;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 22px;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: var(--text-silver);
            transition: var(--transition);
        }

        .breadcrumb-custom a:hover {
            color: var(--accent-cyan);
        }

        .breadcrumb-custom .separator {
            color: var(--text-muted);
            font-size: 0.7rem;
        }

        .breadcrumb-custom .current {
            color: var(--accent-lime);
            font-weight: 600;
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(204, 255, 0, 0.12);
            border: 1px solid rgba(204, 255, 0, 0.35);
            color: var(--accent-lime);
            padding: 5px 16px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 18px;
        }

        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-white);
            letter-spacing: -0.02em;
            margin-bottom: 18px;
            max-width: 850px;
        }

        .article-hero .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-silver);
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
        }

        .article-hero .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-hero .article-meta i {
            color: var(--accent-cyan);
            font-size: 0.9rem;
        }

        /* ===== Article Body ===== */
        .article-body-wrapper {
            padding: 40px 0 80px;
            position: relative;
            z-index: 1;
        }

        .article-body-card {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .article-body-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-cyan), var(--accent-lime));
            border-radius: var(--radius-lg) 0 0 var(--radius-lg);
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-silver);
            max-width: 800px;
        }

        .article-content h2 {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 40px 0 16px;
            line-height: 1.35;
            letter-spacing: -0.01em;
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 30px 0 12px;
            line-height: 1.4;
        }

        .article-content p {
            margin-bottom: 18px;
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: 18px;
            padding-left: 24px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content blockquote {
            background: rgba(0, 240, 255, 0.06);
            border-left: 4px solid var(--accent-cyan);
            padding: 18px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 28px 0;
            font-style: italic;
            color: var(--text-white);
            font-size: 1.1rem;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
        }

        .article-content a {
            color: var(--accent-cyan);
            font-weight: 500;
            border-bottom: 1px dashed rgba(0, 240, 255, 0.4);
        }

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

        .article-content table {
            width: 100%;
            margin: 24px 0;
            border-collapse: collapse;
            font-size: 0.95rem;
        }

        .article-content table th,
        .article-content table td {
            padding: 12px 16px;
            border: 1px solid rgba(0, 240, 255, 0.15);
            text-align: left;
        }

        .article-content table th {
            background: rgba(0, 240, 255, 0.08);
            color: var(--text-white);
            font-weight: 600;
        }

        /* ===== Not Found ===== */
        .not-found-wrapper {
            padding: 160px 0 80px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .not-found-wrapper .icon-box {
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.08);
            border: 2px solid rgba(0, 240, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            font-size: 2.4rem;
            color: var(--accent-cyan);
        }

        .not-found-wrapper h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .not-found-wrapper p {
            color: var(--text-silver);
            margin-bottom: 28px;
            font-size: 1.05rem;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 50px 0 70px;
            position: relative;
            z-index: 1;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08) 0%, rgba(204, 255, 0, 0.06) 50%, rgba(255, 0, 127, 0.05) 100%);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -30%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -50%;
            left: -20%;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-box h3 {
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            color: var(--text-silver);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto 26px;
            position: relative;
            z-index: 1;
        }

        .cta-box .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 34px;
            border-radius: 50px;
            background: var(--accent-lime);
            color: #0F0C20;
            font-size: 0.95rem;
            font-weight: 700;
            border: none;
            transition: var(--transition);
            box-shadow: 0 0 24px rgba(204, 255, 0, 0.4);
            position: relative;
            z-index: 1;
        }

        .cta-box .btn-cta-primary:hover,
        .cta-box .btn-cta-primary:focus {
            background: #D4FF1A;
            box-shadow: 0 0 36px rgba(204, 255, 0, 0.6);
            transform: translateY(-2px);
            color: #0F0C20;
        }

        /* ===== Footer ===== */
        .footer-custom {
            background: rgba(11, 26, 48, 0.9);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 48px 0 24px;
            position: relative;
            z-index: 1;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .footer-text {
            color: var(--text-silver);
            font-size: 0.88rem;
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 0, 127, 0.15);
            border: 2px solid var(--accent-pink);
            color: var(--accent-pink);
            font-weight: 800;
            font-size: 0.8rem;
            margin-right: 10px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--text-silver);
            font-size: 0.88rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a::before {
            content: "›";
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 1rem;
        }

        .footer-links a:hover {
            color: var(--accent-lime);
            padding-left: 4px;
        }

        .footer-bottom {
            margin-top: 32px;
            padding-top: 18px;
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            text-align: center;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ===== FAB ===== */
        .fab-custom {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1060;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(15, 12, 32, 0.85), rgba(15, 12, 32, 0.85)), linear-gradient(135deg, var(--accent-cyan), var(--accent-lime), var(--accent-pink));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.65;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
            animation: fabBreath 3.5s ease-in-out infinite;
        }

        .fab-custom:hover {
            opacity: 1;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.65), 0 0 50px rgba(204, 255, 0, 0.3);
            transform: scale(1.1);
            color: var(--accent-lime);
            animation: none;
        }

        .fab-custom:active {
            transform: scale(0.95);
            box-shadow: 0 0 24px rgba(255, 0, 127, 0.6);
            border-color: var(--accent-pink);
        }

        .fab-custom .notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: var(--accent-pink);
            border: 2px solid var(--bg-primary);
            border-radius: 50%;
            animation: blinkDot 1.8s ease-in-out infinite;
        }

        @keyframes fabBreath {
            0%, 100% { transform: translateY(0); opacity: 0.65; }
            50% { transform: translateY(-6px); opacity: 0.85; }
        }

        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-body-card {
                padding: 32px 28px;
            }

            .article-hero h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .navbar-custom {
                padding: 8px 0;
            }

            .navbar-brand-custom {
                font-size: 0.82rem;
                max-width: 240px;
            }

            .navbar-brand-custom i {
                font-size: 1.3rem;
            }

            .article-hero {
                padding: 110px 0 35px;
            }

            .article-hero h1 {
                font-size: 1.55rem;
                line-height: 1.35;
            }

            .article-body-card {
                padding: 24px 18px;
                border-radius: var(--radius-md);
            }

            .article-body-card::before {
                width: 3px;
            }

            .article-content {
                font-size: 0.98rem;
                line-height: 1.7;
            }

            .article-content h2 {
                font-size: 1.35rem;
            }

            .article-content h3 {
                font-size: 1.15rem;
            }

            .cta-box {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }

            .cta-box h3 {
                font-size: 1.35rem;
            }

            .fab-custom {
                width: 50px;
                height: 50px;
                font-size: 1.3rem;
                left: 12px;
                bottom: 80px;
            }

            .btn-outline-login,
            .btn-solid-signup {
                padding: 8px 16px;
                font-size: 0.78rem;
            }

            .nav-link-custom {
                font-size: 0.85rem;
                padding: 6px 12px !important;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 14px;
            }

            .navbar-brand-custom {
                font-size: 0.72rem;
                max-width: 190px;
                gap: 6px;
            }

            .navbar-brand-custom i {
                font-size: 1.1rem;
            }

            .article-hero h1 {
                font-size: 1.3rem;
            }

            .article-hero .article-meta {
                gap: 12px;
                font-size: 0.75rem;
            }

            .article-body-card {
                padding: 18px 14px;
            }

            .article-content {
                font-size: 0.93rem;
            }

            .article-content h2 {
                font-size: 1.2rem;
            }

            .cta-box h3 {
                font-size: 1.15rem;
            }

            .cta-box .btn-cta-primary {
                padding: 11px 24px;
                font-size: 0.85rem;
            }

            .footer-custom {
                padding: 32px 0 18px;
            }

            .footer-brand {
                font-size: 0.85rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #0F0C20;
            --bg-dark: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --text-muted: #6B7280;
            --border-dark: rgba(0, 240, 255, 0.15);
            --border-glow: rgba(0, 240, 255, 0.35);
            --card-bg: rgba(15, 12, 32, 0.85);
            --card-hover-bg: rgba(11, 26, 48, 0.9);
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.45);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
            --shadow-neon: 0 0 24px rgba(0, 240, 255, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            background: linear-gradient(135deg, var(--bg-deep) 0%, var(--bg-dark) 100%);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button:focus,
        a:focus {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== NAVBAR ===== */
        .navbar-custom {
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: var(--transition);
        }

        .navbar-custom.scrolled {
            background: rgba(15, 12, 32, 0.98);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.01em;
            max-width: 520px;
            line-height: 1.3;
        }

        .navbar-brand-custom i {
            font-size: 1.6rem;
            color: var(--accent-lime);
            filter: drop-shadow(0 0 8px rgba(204, 255, 0, 0.4));
        }

        .navbar-toggler-custom {
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: 10px;
            padding: 8px 14px;
            color: var(--text-white);
            font-size: 1.2rem;
            transition: var(--transition);
        }

        .navbar-toggler-custom:hover {
            background: rgba(0, 240, 255, 0.2);
            border-color: var(--accent-cyan);
        }

        .nav-link-custom {
            color: var(--text-silver);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 16px !important;
            border-radius: 10px;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
        }

        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.6);
        }

        .btn-outline-login {
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.4);
            border-radius: 50px;
            padding: 9px 20px;
            font-size: 0.85rem;
            font-weight: 700;
            background: transparent;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-outline-login:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
        }

        .btn-solid-signup {
            color: var(--bg-deep);
            background: var(--accent-lime);
            border: 1px solid var(--accent-lime);
            border-radius: 50px;
            padding: 9px 20px;
            font-size: 0.85rem;
            font-weight: 800;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-solid-signup:hover {
            background: #dfff33;
            border-color: #dfff33;
            color: var(--bg-deep);
            box-shadow: 0 0 24px rgba(204, 255, 0, 0.4);
            transform: translateY(-1px);
        }

        /* ===== HERO ===== */
        .hero-category {
            background: linear-gradient(135deg, rgba(15, 12, 32, 0.95) 0%, rgba(11, 26, 48, 0.9) 100%), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            padding: 72px 0 56px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-badge-category {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 50px;
            padding: 8px 18px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 0.03em;
            margin-bottom: 20px;
        }

        .hero-category h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            color: var(--text-white);
            max-width: 800px;
        }

        .hero-category h1 .highlight {
            color: var(--accent-lime);
            text-shadow: 0 0 20px rgba(204, 255, 0, 0.3);
        }

        .hero-category .lead {
            font-size: 1.1rem;
            color: var(--text-silver);
            max-width: 700px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .hero-stats-category {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 12px;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-item .stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-cyan);
            line-height: 1;
            text-shadow: 0 0 16px rgba(0, 240, 255, 0.3);
        }

        .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ===== MAIN CONTENT ===== */
        .main-category {
            padding: 64px 0 80px;
        }

        .section-block {
            margin-bottom: 64px;
        }

        .section-block:last-child {
            margin-bottom: 0;
        }

        .section-title-wrapper {
            margin-bottom: 36px;
        }

        .section-title-wrapper h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            line-height: 1.2;
            margin-bottom: 12px;
            color: var(--text-white);
        }

        .section-title-wrapper h2 .highlight {
            color: var(--accent-lime);
        }

        .section-title-wrapper p {
            font-size: 1rem;
            color: var(--text-silver);
            line-height: 1.65;
            max-width: 720px;
            margin-bottom: 0;
        }

        /* ===== KNOWLEDGE CARDS ===== */
        .knowledge-card {
            background: var(--card-bg);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 32px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .knowledge-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--accent-cyan);
            opacity: 0;
            transition: var(--transition);
        }

        .knowledge-card:hover {
            border-color: var(--border-glow);
            background: var(--card-hover-bg);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }

        .knowledge-card:hover::before {
            opacity: 1;
        }

        .knowledge-card .icon-wrapper {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .knowledge-card .icon-wrapper i {
            font-size: 1.4rem;
            color: var(--accent-cyan);
        }

        .knowledge-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-white);
        }

        .knowledge-card p {
            font-size: 0.95rem;
            color: var(--text-silver);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ===== STEP TIMELINE ===== */
        .step-timeline {
            position: relative;
            padding-left: 28px;
        }

        .step-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent-cyan), rgba(0, 240, 255, 0.1));
        }

        .step-item {
            position: relative;
            padding: 0 0 36px 28px;
        }

        .step-item:last-child {
            padding-bottom: 0;
        }

        .step-item::before {
            content: attr(data-step);
            position: absolute;
            left: -28px;
            top: 0;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--accent-lime);
            color: var(--bg-deep);
            font-size: 0.65rem;
            font-weight: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 12px rgba(204, 255, 0, 0.5);
        }

        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }

        .step-item p {
            font-size: 0.95rem;
            color: var(--text-silver);
            line-height: 1.65;
            margin-bottom: 0;
            max-width: 650px;
        }

        /* ===== IMAGE SHOWCASE ===== */
        .showcase-image-wrapper {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.15);
            box-shadow: var(--shadow-lg);
        }

        .showcase-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .showcase-image-wrapper:hover img {
            transform: scale(1.03);
        }

        .showcase-image-wrapper::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(15, 12, 32, 0.8), transparent);
            pointer-events: none;
        }

        /* ===== FAQ ===== */
        .faq-accordion-custom .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-accordion-custom .accordion-item:hover {
            border-color: var(--border-glow);
        }

        .faq-accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            padding: 20px 24px;
            box-shadow: none !important;
            border: none;
        }

        .faq-accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(0, 240, 255, 0.06);
            color: var(--accent-cyan);
        }

        .faq-accordion-custom .accordion-button::after {
            filter: invert(70%) sepia(40%) saturate(500%) hue-rotate(160deg);
        }

        .faq-accordion-custom .accordion-body {
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.7;
            padding: 0 24px 20px;
            background: transparent;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08) 0%, rgba(204, 255, 0, 0.05) 100%);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-white);
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-silver);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        .btn-cta-primary {
            background: var(--accent-lime);
            color: var(--bg-deep);
            border: 1px solid var(--accent-lime);
            border-radius: 50px;
            padding: 14px 36px;
            font-size: 1rem;
            font-weight: 800;
            transition: var(--transition);
        }

        .btn-cta-primary:hover {
            background: #dfff33;
            border-color: #dfff33;
            color: var(--bg-deep);
            box-shadow: 0 0 32px rgba(204, 255, 0, 0.45);
            transform: translateY(-2px);
        }

        .btn-cta-secondary {
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.4);
            border-radius: 50px;
            padding: 14px 36px;
            font-size: 1rem;
            font-weight: 700;
            transition: var(--transition);
        }

        .btn-cta-secondary:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.25);
        }

        /* ===== FOOTER ===== */
        .footer-custom {
            background: rgba(15, 12, 32, 0.95);
            border-top: 1px solid rgba(0, 240, 255, 0.12);
            padding: 56px 0 32px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .footer-brand i {
            font-size: 1.5rem;
            color: var(--accent-lime);
        }

        .footer-text {
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #D32F2F;
            color: #FFFFFF;
            font-weight: 900;
            font-size: 0.8rem;
            border: 2px solid #FFFFFF;
            margin-right: 8px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links li a {
            color: var(--text-silver);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links li a:hover {
            color: var(--accent-cyan);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(0, 240, 255, 0.08);
            padding-top: 24px;
            margin-top: 40px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== FAB ===== */
        .fab-cyber {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1080;
            width: 56px;
            height: 56px;
            border-radius: 50px;
            background: rgba(15, 12, 32, 0.75);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(15, 12, 32, 0.75), rgba(15, 12, 32, 0.75)), linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.65;
        }

        .fab-cyber:hover {
            opacity: 1;
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.55);
            transform: scale(1.1);
        }

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

        .fab-cyber i {
            font-size: 1.3rem;
            color: var(--accent-cyan);
            animation: fabPulse 2.5s ease-in-out infinite;
        }

        .fab-cyber .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid var(--bg-deep);
            animation: blinkDot 1.8s ease-in-out infinite;
        }

        @keyframes fabPulse {
            0%, 100% { text-shadow: 0 0 6px rgba(0, 240, 255, 0.5); }
            50% { text-shadow: 0 0 16px rgba(0, 240, 255, 0.9); }
        }

        @keyframes blinkDot {
            0%, 100% { opacity: 1; box-shadow: 0 0 8px rgba(255, 0, 127, 0.6); }
            50% { opacity: 0.4; box-shadow: 0 0 2px rgba(255, 0, 127, 0.3); }
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-category h1 {
                font-size: 2.2rem;
            }
            .section-title-wrapper h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .navbar-brand-custom {
                font-size: 0.95rem;
                max-width: 320px;
            }
            .hero-category {
                padding: 48px 0 40px;
            }
            .hero-category h1 {
                font-size: 1.8rem;
            }
            .hero-category .lead {
                font-size: 1rem;
            }
            .hero-stats-category {
                gap: 20px;
            }
            .hero-stat-item .stat-number {
                font-size: 1.5rem;
            }
            .main-category {
                padding: 48px 0 56px;
            }
            .section-block {
                margin-bottom: 48px;
            }
            .section-title-wrapper h2 {
                font-size: 1.5rem;
            }
            .knowledge-card {
                padding: 24px;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn-cta-primary,
            .btn-cta-secondary {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
            .fab-cyber {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
            }
            .fab-cyber i {
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .navbar-brand-custom {
                font-size: 0.85rem;
                max-width: 220px;
            }
            .navbar-brand-custom i {
                font-size: 1.3rem;
            }
            .hero-category h1 {
                font-size: 1.5rem;
            }
            .hero-category .lead {
                font-size: 0.9rem;
            }
            .hero-stats-category {
                gap: 16px;
                flex-wrap: wrap;
            }
            .hero-stat-item .stat-number {
                font-size: 1.3rem;
            }
            .section-title-wrapper h2 {
                font-size: 1.3rem;
            }
            .step-timeline {
                padding-left: 20px;
            }
            .step-item {
                padding-left: 20px;
            }
            .step-item::before {
                left: -20px;
                width: 16px;
                height: 16px;
                font-size: 0.6rem;
            }
            .step-timeline::before {
                left: 6px;
            }
            .footer-brand {
                font-size: 0.95rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --bg-card: #151230;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --text-muted: #6C7380;
            --border-neon: rgba(0, 240, 255, 0.35);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-lime: 0 0 15px rgba(204, 255, 0, 0.3);
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 32px;
            --transition: all 0.25s ease;
            --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

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

        body {
            background-color: var(--bg-primary);
            font-family: var(--font-body);
            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);
        }

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

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* NAVBAR */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            padding: 14px 0;
            transition: var(--transition);
        }

        .navbar-custom.scrolled {
            background: rgba(11, 26, 48, 0.98);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-white);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 420px;
        }

        .navbar-brand-custom i {
            color: var(--accent-lime);
            font-size: 1.6rem;
            filter: drop-shadow(0 0 8px rgba(204, 255, 0, 0.5));
        }

        .nav-link-custom {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-silver);
            padding: 8px 14px;
            border-radius: 50px;
            transition: var(--transition);
            display: inline-block;
        }

        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.12);
            text-shadow: 0 0 8px rgba(0, 240, 255, 0.4);
        }

        .navbar-toggler-custom {
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.4);
            color: var(--accent-cyan);
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
        }

        .btn-outline-login {
            border: 1px solid rgba(0, 240, 255, 0.5);
            color: var(--accent-cyan);
            background: transparent;
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-outline-login:hover {
            background: rgba(0, 240, 255, 0.1);
            color: #fff;
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
        }

        .btn-solid-signup {
            background: var(--accent-lime);
            color: #0F0C20;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-solid-signup:hover {
            background: #e0ff4d;
            color: #000;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lime);
        }

        /* HERO */
        .hero-category {
            padding: 160px 0 80px;
            background: radial-gradient(circle at 20% 30%, rgba(0, 240, 255, 0.12), transparent 40%),
                radial-gradient(circle at 90% 70%, rgba(204, 255, 0, 0.08), transparent 45%),
                var(--bg-primary);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            position: relative;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.06), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(204, 255, 0, 0.12);
            border: 1px solid rgba(204, 255, 0, 0.4);
            color: var(--accent-lime);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: clamp(2rem, 5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-white);
            max-width: 800px;
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }

        .hero-title span {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-silver);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 36px;
        }

        .btn-primary-neon {
            background: var(--accent-cyan);
            color: #0B1A30;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 4px 25px rgba(0, 240, 255, 0.35);
        }

        .btn-primary-neon:hover {
            background: #55f5ff;
            transform: translateY(-3px);
            box-shadow: 0 10px 35px rgba(0, 240, 255, 0.55);
            color: #000;
        }

        .hero-stat {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }

        .hero-stat:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            transform: translateY(-5px);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent-lime);
            line-height: 1;
            letter-spacing: -1px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 8px;
            font-weight: 500;
        }

        /* SECTION */
        .section {
            padding: 80px 0;
        }

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

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-silver);
            max-width: 720px;
            margin-bottom: 48px;
            line-height: 1.7;
        }

        /* CARDS */
        .card-tip {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 30px 26px;
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .card-tip::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-lime), var(--accent-cyan));
            opacity: 0;
            transition: var(--transition);
        }

        .card-tip:hover {
            transform: translateY(-8px);
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), var(--shadow-neon);
        }

        .card-tip:hover::after {
            opacity: 1;
        }

        .card-tip-icon {
            width: 54px;
            height: 54px;
            background: rgba(0, 240, 255, 0.1);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.6rem;
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .card-tip:hover .card-tip-icon {
            background: rgba(204, 255, 0, 0.15);
            color: var(--accent-lime);
        }

        .card-tip h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-white);
        }

        .card-tip p {
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .card-tip .tag-neon {
            display: inline-block;
            background: rgba(255, 0, 127, 0.15);
            color: var(--accent-pink);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            margin-top: 16px;
        }

        /* IMAGE BLOCK */
        .img-cover {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.25);
            transition: var(--transition);
            position: relative;
        }

        .img-cover:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 15px 35px rgba(0, 240, 255, 0.25);
            transform: scale(1.01);
        }

        .img-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .img-cover:hover img {
            transform: scale(1.05);
        }

        /* STEP LIST */
        .step-item {
            display: flex;
            gap: 20px;
            padding: 22px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .step-item:last-child {
            border-bottom: none;
        }

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.35);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--accent-cyan);
            transition: var(--transition);
        }

        .step-item:hover .step-number {
            background: var(--accent-lime);
            color: #0F0C20;
            border-color: var(--accent-lime);
            box-shadow: var(--shadow-lime);
        }

        .step-content h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-content p {
            color: var(--text-silver);
            margin-bottom: 0;
            font-size: 0.95rem;
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 14px;
            overflow: hidden;
        }

        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 20px 24px;
            box-shadow: none;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-cyan);
        }

        .accordion-custom .accordion-button::after {
            filter: invert(0.8);
        }

        .accordion-custom .accordion-body {
            color: var(--text-silver);
            padding: 0 24px 20px;
            font-size: 0.95rem;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(204, 255, 0, 0.06));
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            padding: 70px 0;
        }

        .cta-box {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
        }

        .cta-box h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-box p {
            color: var(--text-silver);
            max-width: 560px;
            margin: 0 auto 30px;
        }

        /* FOOTER */
        .footer-custom {
            background: #0A0718;
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 60px 0 30px;
            color: var(--text-silver);
        }

        .footer-brand {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-white);
            display: block;
            margin-bottom: 16px;
        }

        .footer-text {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .badge-18 {
            background: rgba(255, 0, 0, 0.15);
            border: 1px solid rgba(255, 0, 0, 0.4);
            color: #ff4d4d;
            font-weight: 800;
            font-size: 0.8rem;
            padding: 4px 10px;
            border-radius: 6px;
            margin-right: 8px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--text-silver);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-cyan);
            padding-left: 6px;
        }

        /* FAB */
        .fab-neon {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 1050;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(12px);
            border: 2px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.6rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
            opacity: 0.75;
            animation: fabFloat 3s ease-in-out infinite;
        }

        .fab-neon:hover {
            opacity: 1;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
            transform: scale(1.08);
            border-color: var(--accent-pink);
            color: var(--accent-pink);
        }

        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        /* RESPONSIVE */
        @media (max-width: 991.98px) {
            .navbar-brand-custom {
                font-size: 0.85rem;
                max-width: 260px;
            }
            .hero-category {
                padding: 140px 0 60px;
            }
            .hero-stat {
                margin-top: 20px;
            }
        }

        @media (max-width: 767.98px) {
            .container-custom {
                padding: 0 16px;
            }
            .section {
                padding: 60px 0;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .cta-box {
                padding: 30px 20px;
            }
            .navbar-brand-custom {
                max-width: 180px;
            }
            .nav-link-custom {
                font-size: 0.9rem;
                padding: 6px 10px;
            }
            .btn-outline-login, .btn-solid-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .navbar-brand-custom {
                font-size: 0.75rem;
                max-width: 140px;
            }
            .navbar-brand-custom i {
                font-size: 1.2rem;
            }
            .hero-category {
                padding: 120px 0 50px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .step-item {
                flex-direction: column;
                gap: 12px;
            }
            .fab-neon {
                width: 50px;
                height: 50px;
                font-size: 1.3rem;
                left: 14px;
                bottom: 80px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --bg-card: #151230;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --text-muted: #6B7280;
            --border-dark: rgba(255,255,255,0.08);
            --border-glow: rgba(0,240,255,0.35);
            --shadow-neon: 0 0 20px rgba(0,240,255,0.15);
            --shadow-lime: 0 0 20px rgba(204,255,0,0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
            --font-body: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .navbar-custom {
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-dark);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: var(--transition);
        }

        .navbar-custom.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            background: rgba(15, 12, 32, 0.98);
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.05rem;
            line-height: 1.3;
            max-width: 320px;
            transition: var(--transition);
        }

        .navbar-brand-custom i {
            color: var(--accent-cyan);
            font-size: 1.5rem;
            flex-shrink: 0;
        }

        .navbar-brand-custom:hover {
            color: var(--accent-cyan);
        }

        .nav-link-custom {
            color: var(--text-silver) !important;
            font-weight: 500;
            font-size: 0.9rem;
            padding: 8px 16px !important;
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
        }

        .nav-link-custom:hover {
            color: var(--accent-cyan) !important;
            background: rgba(0, 240, 255, 0.08);
        }

        .nav-link-custom.active {
            color: var(--accent-lime) !important;
            background: rgba(204, 255, 0, 0.1);
            font-weight: 600;
        }

        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent-lime);
            border-radius: 2px;
        }

        .btn-outline-login {
            padding: 8px 20px;
            border-radius: 50px;
            border: 1px solid var(--border-glow);
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.85rem;
            text-decoration: none;
            transition: var(--transition);
            background: transparent;
        }

        .btn-outline-login:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        .btn-solid-signup {
            padding: 8px 20px;
            border-radius: 50px;
            background: var(--accent-lime);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 0.85rem;
            text-decoration: none;
            transition: var(--transition);
            border: 2px solid var(--accent-lime);
        }

        .btn-solid-signup:hover {
            background: transparent;
            color: var(--accent-lime);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(204, 255, 0, 0.3);
        }

        .navbar-toggler-custom {
            background: transparent;
            border: 1px solid var(--border-dark);
            color: var(--text-white);
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 1.2rem;
            transition: var(--transition);
        }

        .navbar-toggler-custom:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
        }

        /* Hero Section */
        .hero-section {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0,240,255,0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(204,255,0,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid var(--border-glow);
            color: var(--accent-cyan);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: var(--spacing-md);
        }

        .hero-badge i {
            font-size: 0.9rem;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: var(--spacing-md);
            color: var(--text-white);
            letter-spacing: -0.02em;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-lime) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-description {
            font-size: 1.1rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
        }

        .hero-image-container {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-neon);
            transition: var(--transition);
        }

        .hero-image-container:hover {
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.25);
            transform: translateY(-4px);
        }

        .hero-image-container img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }

        .hero-stats {
            display: flex;
            gap: var(--spacing-lg);
            margin-top: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            align-items: center;
            gap: 12px;
        }

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

        .hero-stat .stat-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1;
        }

        .hero-stat .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Section Styles */
        .section-padding {
            padding: var(--spacing-xl) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: var(--spacing-sm);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
            max-width: 700px;
        }

        /* Cards */
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            opacity: 0;
            transition: var(--transition);
        }

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

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: var(--spacing-md);
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--text-white);
        }

        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-silver);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* Strategy Steps */
        .step-item {
            display: flex;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
            padding: var(--spacing-md);
            border-radius: var(--radius-md);
            transition: var(--transition);
            position: relative;
        }

        .step-item:hover {
            background: rgba(0, 240, 255, 0.05);
        }

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: var(--bg-primary);
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-white);
        }

        .step-content p {
            font-size: 0.95rem;
            color: var(--text-silver);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* Info Panel */
        .info-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            position: relative;
            overflow: hidden;
        }

        .info-panel::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(204,255,0,0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* Progress Bar */
        .budget-progress {
            background: rgba(255,255,255,0.06);
            border-radius: 50px;
            height: 12px;
            overflow: hidden;
            margin: var(--spacing-md) 0;
        }

        .budget-progress-bar {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            border-radius: 50px;
            transition: width 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            width: 0;
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-glow);
        }

        .faq-item .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: var(--spacing-md);
            box-shadow: none;
            border: none;
        }

        .faq-item .accordion-button:not(.collapsed) {
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-cyan);
        }

        .faq-item .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border-glow);
        }

        .faq-item .accordion-body {
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.7;
            padding: var(--spacing-md);
        }

        .faq-item .accordion-button::after {
            filter: brightness(0) invert(1);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0,240,255,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-btn {
            padding: 14px 32px;
            border-radius: 50px;
            background: var(--accent-lime);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: var(--transition);
            border: 2px solid var(--accent-lime);
            display: inline-block;
        }

        .cta-btn:hover {
            background: transparent;
            color: var(--accent-lime);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(204, 255, 0, 0.3);
        }

        /* Footer */
        .footer-custom {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            margin-top: var(--spacing-xl);
        }

        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            display: inline-flex;
            align-items: center;
            margin-bottom: var(--spacing-sm);
            text-decoration: none;
        }

        .footer-brand:hover {
            color: var(--accent-cyan);
        }

        .footer-text {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent-pink);
            color: white;
            font-weight: 800;
            font-size: 0.85rem;
            margin-right: 10px;
            border: 2px solid rgba(255,255,255,0.3);
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--text-silver);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-cyan);
            padding-left: 4px;
        }

        /* FAB */
        .fab-custom {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(10px);
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.7;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
            animation: fabBreath 3s ease-in-out infinite;
        }

        .fab-custom:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.5);
        }

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

        @keyframes fabBreath {
            0%, 100% {
                box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
            }
            50% {
                box-shadow: 0 0 35px rgba(0, 240, 255, 0.5);
            }
        }

        /* Responsive */
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .navbar-brand-custom {
                max-width: 240px;
                font-size: 0.9rem;
            }
            .navbar-nav {
                padding: var(--spacing-md) 0;
            }
            .nav-link-custom {
                padding: 10px 12px !important;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .hero-stats {
                gap: var(--spacing-md);
            }
            .hero-stat .stat-value {
                font-size: 1.2rem;
            }
            .feature-card {
                padding: var(--spacing-md);
            }
            .cta-section {
                padding: var(--spacing-lg);
            }
            .section-padding {
                padding: var(--spacing-lg) 0;
            }
            .fab-custom {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-description {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .btn-outline-login,
            .btn-solid-signup {
                padding: 6px 14px;
                font-size: 0.75rem;
            }
            .navbar-brand-custom {
                max-width: 180px;
                font-size: 0.8rem;
            }
        }