/* roulang page: index */
:root {
            --deep-violet: #120524;
            --midnight-purple: #1E0B36;
            --hot-pink: #FF007F;
            --neon-yellow: #FFFF00;
            --neon-pink: #FF79C6;
            --white: #FFFFFF;
            --silver: #A6ACAF;
            --dark-card: rgba(30, 11, 54, 0.8);
            --border-glow: rgba(255, 0, 127, 0.4);
            --shadow-neon: 0 0 15px rgba(255, 0, 127, 0.5);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --font-heading: 'Segoe UI', 'Tahoma', system-ui, sans-serif;
            --font-body: 'Segoe UI', 'Tahoma', system-ui, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            background: radial-gradient(circle at 30% 10%, var(--midnight-purple) 0%, var(--deep-violet) 70%, #0A0311 100%);
            color: var(--white);
            font-family: var(--font-body);
            line-height: 1.65;
            font-size: 16px;
            min-height: 100vh;
            position: relative;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: repeating-linear-gradient(0deg, rgba(255, 0, 127, 0.02) 0px, rgba(255, 0, 127, 0.02) 1px, transparent 1px, transparent 4px);
            pointer-events: none;
            z-index: 0;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            position: relative;
            z-index: 1;
        }

        h1, h2, h3, h4, h5 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
        }

        a {
            color: var(--neon-pink);
            text-decoration: none;
            transition: all var(--transition-fast);
        }

        a:hover {
            color: var(--hot-pink);
            text-shadow: 0 0 8px var(--hot-pink);
        }

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

        /* Navbar */
        .navbar-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: 0.5px;
            text-shadow: 0 0 10px var(--neon-pink);
            transition: all var(--transition-fast);
        }

        .navbar-brand:hover {
            color: var(--neon-yellow);
            text-shadow: 0 0 16px var(--neon-yellow);
        }

        .navbar {
            background: rgba(18, 5, 36, 0.85);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 0, 127, 0.3);
            padding: 12px 0;
            z-index: 1000;
            position: sticky;
            top: 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
        }

        .navbar .nav-link {
            color: var(--silver);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 14px;
            border-radius: 20px;
            transition: all var(--transition-fast);
            margin: 0 2px;
        }

        .navbar .nav-link:hover,
        .navbar .nav-link.active {
            color: var(--white);
            background: rgba(255, 0, 127, 0.2);
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.4);
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--neon-pink);
            color: var(--neon-pink);
            font-weight: 700;
            border-radius: 30px;
            padding: 8px 22px;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(255, 0, 127, 0.15);
            color: var(--white);
            border-color: var(--hot-pink);
            box-shadow: 0 0 12px rgba(255, 0, 127, 0.6);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--hot-pink), #FF1493);
            border: none;
            color: var(--white);
            font-weight: 700;
            border-radius: 30px;
            padding: 8px 22px;
            box-shadow: 0 0 16px rgba(255, 0, 127, 0.7);
            transition: all var(--transition-fast);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #FF1493, var(--neon-yellow));
            color: var(--deep-violet);
            box-shadow: 0 0 24px rgba(255, 255, 0, 0.8);
            transform: scale(1.03);
        }

        /* Hero */
        .hero-section {
            padding: 70px 0 80px;
            position: relative;
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            color: var(--white);
            text-shadow: 0 0 24px var(--hot-pink), 0 0 8px var(--neon-yellow);
            letter-spacing: -0.5px;
            margin-bottom: 24px;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--silver);
            max-width: 700px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .hero-badge {
            background: rgba(255, 255, 0, 0.15);
            border: 1px solid var(--neon-yellow);
            color: var(--neon-yellow);
            border-radius: 30px;
            padding: 6px 18px;
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, var(--neon-yellow), #FFAA00);
            border: none;
            color: var(--deep-violet);
            font-weight: 800;
            border-radius: 50px;
            padding: 14px 36px;
            font-size: 1.1rem;
            letter-spacing: 0.5px;
            box-shadow: 0 0 28px rgba(255, 255, 0, 0.65);
            transition: all var(--transition-fast);
            display: inline-block;
        }

        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 38px rgba(255, 255, 0, 0.9);
            color: #000;
        }

        .btn-outline-custom {
            background: transparent;
            border: 2px solid var(--neon-pink);
            color: var(--neon-pink);
            font-weight: 700;
            border-radius: 50px;
            padding: 12px 32px;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .btn-outline-custom:hover {
            background: rgba(255, 0, 127, 0.2);
            box-shadow: 0 0 18px var(--hot-pink);
            color: var(--white);
        }

        .hero-image-wrap {
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            border-radius: var(--radius-lg);
            min-height: 380px;
            box-shadow: 0 0 36px rgba(255, 0, 127, 0.45);
            border: 2px solid rgba(255, 0, 127, 0.5);
            position: relative;
            overflow: hidden;
        }

        .hero-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 11, 54, 0.5), rgba(18, 5, 36, 0.7));
            border-radius: var(--radius-lg);
        }

        /* Section titles */
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 16px;
            text-shadow: 0 0 12px rgba(255, 255, 0, 0.5);
        }

        .section-subtitle {
            color: var(--silver);
            font-size: 1.1rem;
            margin-bottom: 40px;
            max-width: 680px;
        }

        /* Cards */
        .game-card {
            background: var(--dark-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition-fast);
            backdrop-filter: blur(8px);
            position: relative;
            overflow: hidden;
        }

        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 0 24px rgba(255, 0, 127, 0.6);
            border-color: var(--neon-yellow);
        }

        .game-card img {
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .game-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 8px;
        }

        .badge-hot {
            background: var(--hot-pink);
            color: var(--white);
            font-weight: 700;
            border-radius: 20px;
            padding: 4px 12px;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* Voucher wall */
        .voucher-card {
            background: linear-gradient(145deg, rgba(30, 11, 54, 0.9), rgba(18, 5, 36, 0.95));
            border: 1px dashed var(--neon-yellow);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-fast);
        }

        .voucher-card:hover {
            border-color: var(--hot-pink);
            box-shadow: var(--shadow-neon);
            transform: scale(1.02);
        }

        .voucher-value {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--neon-yellow);
            text-shadow: 0 0 18px var(--neon-yellow);
        }

        /* Testimonial bubbles */
        .testimonial-bubble {
            background: rgba(30, 11, 54, 0.7);
            border-radius: 50px 16px 50px 16px;
            padding: 20px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            font-style: italic;
        }

        .avatar-placeholder {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--hot-pink), var(--neon-yellow));
            border-radius: 50%;
            display: inline-block;
        }

        /* Top list */
        .top-item {
            background: var(--dark-card);
            border-left: 5px solid var(--neon-yellow);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 20px;
            margin-bottom: 18px;
            transition: all var(--transition-fast);
        }

        .top-item:hover {
            background: rgba(50, 10, 80, 0.7);
            box-shadow: 0 0 16px rgba(255, 0, 127, 0.4);
        }

        .rank-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--neon-yellow);
            text-shadow: 0 0 12px var(--neon-yellow);
            line-height: 1;
        }

        /* FAQ */
        .accordion-button {
            background: var(--dark-card);
            color: var(--white);
            font-weight: 700;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm) !important;
            padding: 16px 20px;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(255, 0, 127, 0.2);
            color: var(--neon-yellow);
            box-shadow: 0 0 10px var(--hot-pink);
        }

        .accordion-item {
            background: transparent;
            border: none;
            margin-bottom: 10px;
        }

        .accordion-body {
            background: rgba(18, 5, 36, 0.6);
            color: var(--silver);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
        }

        /* Footer */
        .site-footer {
            background: rgba(12, 3, 26, 0.9);
            border-top: 2px solid var(--hot-pink);
            padding: 40px 0 20px;
            margin-top: 60px;
        }

        /* FAB Left */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 1050;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(12px);
            border: 2px solid var(--neon-yellow);
            border-radius: 50px;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 18px rgba(255, 255, 0, 0.6);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .fab-left:hover {
            box-shadow: 0 0 32px rgba(255, 0, 127, 0.8);
            border-color: var(--hot-pink);
            transform: scale(1.08);
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-image-wrap {
                min-height: 240px;
                margin-top: 20px;
            }
            .navbar-brand {
                font-size: 1rem;
            }
            .fab-left {
                bottom: 80px;
                left: 10px;
                width: 48px;
                height: 48px;
            }
        }

/* roulang page: article */
:root {
            --deep-violet: #120524;
            --midnight-purple: #1E0B36;
            --hot-pink: #FF007F;
            --neon-yellow: #FFFF00;
            --neon-pink: #FF79C6;
            --white: #FFFFFF;
            --silver: #A6ACAF;
            --dark-card: rgba(30, 11, 54, 0.8);
            --border-glow: rgba(255, 0, 127, 0.4);
            --shadow-neon: 0 0 15px rgba(255, 0, 127, 0.5);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --font-heading: 'Segoe UI', 'Tahoma', system-ui, sans-serif;
            --font-body: 'Segoe UI', 'Tahoma', system-ui, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap: 80px;
            --heading-line-height: 1.2;
            --body-line-height: 1.7;
        }

        * {
            box-sizing: border-box;
        }

        body {
            background: radial-gradient(circle at 30% 10%, var(--midnight-purple) 0%, var(--deep-violet) 70%, #0A0311 100%);
            color: var(--white);
            font-family: var(--font-body);
            line-height: var(--body-line-height);
            font-size: 16px;
            min-height: 100vh;
            position: relative;
            overflow-x: hidden;
            margin: 0;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: repeating-linear-gradient(0deg, rgba(255, 0, 127, 0.02) 0px, rgba(255, 0, 127, 0.02) 1px, transparent 1px, transparent 4px);
            pointer-events: none;
            z-index: 0;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            position: relative;
            z-index: 1;
        }

        a {
            color: var(--neon-pink);
            text-decoration: none;
            transition: all var(--transition-fast);
        }

        a:hover {
            color: var(--hot-pink);
            text-shadow: 0 0 8px var(--hot-pink);
        }

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

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            line-height: var(--heading-line-height);
            color: var(--white);
        }

        .text-warning {
            color: var(--neon-yellow) !important;
        }

        .text-silver {
            color: var(--silver) !important;
        }

        .text-neon-pink {
            color: var(--neon-pink) !important;
        }

        .bg-dark-card {
            background: var(--dark-card);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
        }

        /* Navbar */
        .navbar-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: 0.5px;
            text-shadow: 0 0 10px var(--neon-pink);
            transition: all var(--transition-fast);
        }

        .navbar-brand:hover {
            color: var(--neon-yellow);
            text-shadow: 0 0 16px var(--neon-yellow);
        }

        .navbar {
            background: rgba(18, 5, 36, 0.85);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 0, 127, 0.3);
            padding: 12px 0;
            z-index: 1000;
            position: sticky;
            top: 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
        }

        .navbar .nav-link {
            color: var(--silver);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 14px;
            border-radius: 20px;
            transition: all var(--transition-fast);
            margin: 0 2px;
        }

        .navbar .nav-link:hover,
        .navbar .nav-link.active {
            color: var(--white);
            background: rgba(255, 0, 127, 0.2);
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.4);
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--neon-pink);
            color: var(--neon-pink);
            font-weight: 700;
            border-radius: 30px;
            padding: 8px 22px;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(255, 0, 127, 0.15);
            color: var(--white);
            border-color: var(--hot-pink);
            box-shadow: 0 0 12px rgba(255, 0, 127, 0.6);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--hot-pink), #FF1493);
            border: none;
            color: var(--white);
            font-weight: 700;
            border-radius: 30px;
            padding: 8px 22px;
            box-shadow: 0 0 16px rgba(255, 0, 127, 0.7);
            transition: all var(--transition-fast);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #FF1493, var(--neon-yellow));
            color: var(--deep-violet);
            box-shadow: 0 0 24px rgba(255, 255, 0, 0.8);
            transform: scale(1.03);
        }

        /* Article Hero */
        .article-hero {
            padding: 60px 0 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 40px;
        }

        .article-category-badge {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(255, 0, 127, 0.25);
            border: 1px solid var(--neon-pink);
            color: var(--neon-pink);
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .article-meta {
            color: var(--silver);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }

        .article-meta i {
            margin-right: 5px;
            color: var(--neon-pink);
        }

        /* Article Content */
        .article-content-wrapper {
            background: var(--dark-card);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 40px;
            margin-bottom: 40px;
        }

        .article-content-wrapper h2 {
            font-size: 1.9rem;
            font-weight: 800;
            margin-top: 32px;
            margin-bottom: 16px;
            color: var(--neon-yellow);
            text-shadow: 0 0 8px rgba(255, 255, 0, 0.3);
        }

        .article-content-wrapper h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-top: 24px;
            margin-bottom: 12px;
            color: var(--neon-pink);
        }

        .article-content-wrapper p {
            margin-bottom: 20px;
            color: var(--silver);
            line-height: 1.8;
            font-size: 1.05rem;
        }

        .article-content-wrapper ul, 
        .article-content-wrapper ol {
            margin-bottom: 20px;
            padding-left: 24px;
            color: var(--silver);
        }

        .article-content-wrapper li {
            margin-bottom: 8px;
            line-height: 1.7;
        }

        .article-content-wrapper strong {
            color: var(--white);
        }

        .article-content-wrapper blockquote {
            border-left: 4px solid var(--neon-pink);
            padding: 16px 24px;
            margin: 24px 0;
            background: rgba(255, 0, 127, 0.08);
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: var(--silver);
        }

        .article-content-wrapper .highlight-box {
            background: rgba(255, 255, 0, 0.08);
            border: 1px solid rgba(255, 255, 0, 0.3);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin: 24px 0;
        }

        .article-content-wrapper .highlight-box p {
            color: var(--neon-yellow);
            margin-bottom: 0;
            font-weight: 600;
        }

        /* CTA Bar */
        .cta-bar {
            background: linear-gradient(135deg, var(--hot-pink), var(--midnight-purple));
            border: 1px solid rgba(255, 0, 127, 0.5);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: 0 0 28px rgba(255, 0, 127, 0.4);
            text-align: center;
            margin-bottom: 50px;
        }

        .cta-bar h3 {
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--white);
        }

        .cta-bar p {
            color: var(--silver);
            margin-bottom: 20px;
        }

        .btn-cta-primary {
            background: linear-gradient(135deg, var(--neon-yellow), #FFAA00);
            border: none;
            color: var(--deep-violet);
            font-weight: 800;
            border-radius: 50px;
            padding: 14px 40px;
            font-size: 1.1rem;
            letter-spacing: 0.5px;
            box-shadow: 0 0 24px rgba(255, 255, 0, 0.7);
            transition: all var(--transition-fast);
            display: inline-block;
        }

        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 36px rgba(255, 255, 0, 0.9);
            color: #000;
        }

        .btn-outline-neon {
            background: transparent;
            border: 2px solid var(--neon-pink);
            color: var(--neon-pink);
            font-weight: 700;
            border-radius: 50px;
            padding: 12px 30px;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-block;
        }

        .btn-outline-neon:hover {
            background: rgba(255, 0, 127, 0.2);
            color: var(--white);
            box-shadow: 0 0 16px var(--hot-pink);
        }

        /* Not Found State */
        .not-found-state {
            text-align: center;
            padding: 80px 20px;
        }

        .not-found-state i {
            font-size: 3.5rem;
            color: var(--neon-pink);
            display: block;
            margin-bottom: 20px;
        }

        .not-found-state h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .not-found-state p {
            color: var(--silver);
            margin-bottom: 24px;
        }

        /* Footer */
        .site-footer {
            background: rgba(10, 3, 20, 0.9);
            backdrop-filter: blur(10px);
            border-top: 1px solid rgba(255, 0, 127, 0.3);
            padding: 50px 0 20px;
            margin-top: 60px;
        }

        .site-footer h5 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .site-footer p, .site-footer li {
            color: var(--silver);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .site-footer ul li {
            margin-bottom: 8px;
        }

        .site-footer a {
            color: var(--silver);
            transition: all var(--transition-fast);
        }

        .site-footer a:hover {
            color: var(--neon-yellow);
            text-shadow: 0 0 6px var(--neon-yellow);
        }

        .border-secondary {
            border-color: rgba(255, 255, 255, 0.15) !important;
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-nav {
                text-align: center;
                padding: 12px 0;
            }

            .navbar .nav-link {
                padding: 10px 16px;
                display: block;
            }

            .hero-title {
                font-size: 2.4rem;
            }

            .article-content-wrapper {
                padding: 24px 20px;
            }
        }

        @media (max-width: 767.98px) {
            .hero-title {
                font-size: 2rem;
            }

            .hero-desc {
                font-size: 1rem;
            }

            .btn-primary-custom, .btn-outline-custom, .btn-cta-primary {
                width: 100%;
                text-align: center;
                margin-bottom: 10px;
            }

            .article-content-wrapper h2 {
                font-size: 1.5rem;
            }

            .article-content-wrapper h3 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-brand {
                font-size: 1.1rem;
            }

            .article-meta {
                font-size: 0.8rem;
            }

            .article-content-wrapper {
                padding: 20px 14px;
            }
        }

/* roulang page: category1 */
:root {
            --deep-violet: #120524;
            --midnight-purple: #1E0B36;
            --hot-pink: #FF007F;
            --neon-yellow: #FFFF00;
            --neon-pink: #FF79C6;
            --white: #FFFFFF;
            --silver: #A6ACAF;
            --dark-card: rgba(30, 11, 54, 0.8);
            --border-glow: rgba(255, 0, 127, 0.4);
            --shadow-neon: 0 0 15px rgba(255, 0, 127, 0.5);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --font-heading: 'Segoe UI', 'Tahoma', system-ui, sans-serif;
            --font-body: 'Segoe UI', 'Tahoma', system-ui, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

        body {
            background: radial-gradient(circle at 30% 10%, var(--midnight-purple) 0%, var(--deep-violet) 70%, #0A0311 100%);
            color: var(--white);
            font-family: var(--font-body);
            line-height: 1.65;
            font-size: 16px;
            min-height: 100vh;
            position: relative;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: repeating-linear-gradient(0deg, rgba(255, 0, 127, 0.02) 0px, rgba(255, 0, 127, 0.02) 1px, transparent 1px, transparent 4px);
            pointer-events: none;
            z-index: 0;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            position: relative;
            z-index: 1;
        }

        a {
            color: var(--neon-pink);
            text-decoration: none;
            transition: all var(--transition-fast);
        }

        a:hover {
            color: var(--hot-pink);
            text-shadow: 0 0 8px var(--hot-pink);
        }

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

        h1, h2, h3, h4 {
            font-family: var(--font-heading);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 1rem;
        }

        h1 {
            font-size: 2.8rem;
            text-shadow: 0 0 18px var(--hot-pink), 0 0 6px var(--neon-yellow);
            letter-spacing: -0.5px;
        }

        h2 {
            font-size: 2rem;
            color: var(--white);
            margin-bottom: 1.5rem;
        }

        h3 {
            font-size: 1.4rem;
            color: var(--neon-yellow);
        }

        p, li {
            color: var(--silver);
            margin-bottom: 1rem;
        }

        .badge-custom {
            display: inline-block;
            background: rgba(255, 0, 127, 0.2);
            border: 1px solid var(--hot-pink);
            color: var(--neon-pink);
            border-radius: 30px;
            padding: 6px 16px;
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            backdrop-filter: blur(4px);
        }

        .highlight {
            color: var(--neon-yellow);
            font-weight: 800;
        }

        /* Navbar */
        .navbar-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: 0.5px;
            text-shadow: 0 0 10px var(--neon-pink);
            transition: all var(--transition-fast);
        }

        .navbar-brand:hover {
            color: var(--neon-yellow);
            text-shadow: 0 0 16px var(--neon-yellow);
        }

        .navbar {
            background: rgba(18, 5, 36, 0.85);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 0, 127, 0.3);
            padding: 12px 0;
            z-index: 1000;
            position: sticky;
            top: 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
        }

        .navbar .nav-link {
            color: var(--silver);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 14px;
            border-radius: 20px;
            transition: all var(--transition-fast);
            margin: 0 2px;
        }

        .navbar .nav-link:hover,
        .navbar .nav-link.active {
            color: var(--white);
            background: rgba(255, 0, 127, 0.2);
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.4);
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--neon-pink);
            color: var(--neon-pink);
            font-weight: 700;
            border-radius: 30px;
            padding: 8px 22px;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(255, 0, 127, 0.15);
            color: var(--white);
            border-color: var(--hot-pink);
            box-shadow: 0 0 12px rgba(255, 0, 127, 0.6);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--hot-pink), #FF1493);
            border: none;
            color: var(--white);
            font-weight: 700;
            border-radius: 30px;
            padding: 8px 22px;
            box-shadow: 0 0 16px rgba(255, 0, 127, 0.7);
            transition: all var(--transition-fast);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #FF1493, var(--neon-yellow));
            color: var(--deep-violet);
            box-shadow: 0 0 24px rgba(255, 255, 0, 0.8);
            transform: scale(1.03);
        }

        /* Hero */
        .hero-section {
            padding: 60px 0 70px;
            position: relative;
            border-bottom: 1px solid rgba(255, 0, 127, 0.15);
            margin-bottom: 50px;
        }

        .hero-bento {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
            align-items: start;
        }

        .hero-main {
            grid-row: span 2;
            background: var(--dark-card);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-glow);
            box-shadow: var(--shadow-neon);
        }

        .hero-feature-card {
            background: rgba(18, 5, 36, 0.7);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid rgba(255, 255, 0, 0.25);
            transition: all var(--transition-fast);
        }

        .hero-feature-card:hover {
            border-color: var(--neon-yellow);
            box-shadow: 0 0 20px rgba(255, 255, 0, 0.3);
            transform: translateY(-4px);
        }

        .hero-cta-row {
            grid-column: span 2;
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.1), rgba(255, 255, 0, 0.05));
            border-radius: var(--radius-md);
            padding: 28px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            border: 1px solid var(--hot-pink);
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, var(--neon-yellow), #FFAA00);
            border: none;
            color: var(--deep-violet);
            font-weight: 800;
            border-radius: 50px;
            padding: 14px 36px;
            font-size: 1.1rem;
            letter-spacing: 0.5px;
            box-shadow: 0 0 28px rgba(255, 255, 0, 0.65);
            transition: all var(--transition-fast);
            display: inline-block;
        }

        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 38px rgba(255, 255, 0, 0.9);
            color: #000;
        }

        .btn-outline-custom {
            background: transparent;
            border: 2px solid var(--neon-pink);
            color: var(--neon-pink);
            font-weight: 700;
            border-radius: 50px;
            padding: 12px 32px;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .btn-outline-custom:hover {
            background: rgba(255, 0, 127, 0.15);
            border-color: var(--hot-pink);
            box-shadow: 0 0 18px rgba(255, 0, 127, 0.7);
            color: var(--white);
        }

        /* Cards */
        .card-custom {
            background: var(--dark-card);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid rgba(255, 0, 127, 0.3);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            transition: all var(--transition-fast);
            height: 100%;
        }

        .card-custom:hover {
            border-color: var(--hot-pink);
            box-shadow: 0 0 25px rgba(255, 0, 127, 0.5);
            transform: translateY(-5px);
        }

        .list-unstyled li {
            color: var(--silver);
            margin-bottom: 12px;
            display: flex;
            gap: 12px;
            align-items: baseline;
        }

        .list-unstyled li i {
            color: var(--neon-yellow);
            margin-top: 4px;
        }

        /* FAQ Accordion */
        .accordion-item {
            background: var(--dark-card);
            border: 1px solid rgba(255, 0, 127, 0.25);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
            backdrop-filter: blur(8px);
        }

        .accordion-button {
            background: transparent;
            color: var(--white);
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: none;
            padding: 20px 28px;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(255, 0, 127, 0.15);
            color: var(--neon-yellow);
            box-shadow: none;
        }

        .accordion-button:focus {
            border-color: var(--hot-pink);
            box-shadow: 0 0 12px rgba(255, 0, 127, 0.4);
        }

        .accordion-body {
            color: var(--silver);
            padding: 20px 28px;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: rgba(10, 3, 17, 0.9);
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(255, 0, 127, 0.5);
            padding: 50px 0 20px;
            margin-top: 70px;
        }

        .site-footer h5 {
            font-size: 1.2rem;
            margin-bottom: 20px;
        }

        .site-footer .list-unstyled li {
            margin-bottom: 10px;
        }

        .site-footer a {
            color: var(--silver);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .site-footer a:hover {
            color: var(--neon-yellow);
            padding-left: 5px;
        }

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

        .text-warning {
            color: var(--neon-yellow) !important;
        }

        section {
            padding: 40px 0;
        }

        .divider {
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--hot-pink), var(--neon-yellow), transparent);
            margin: 40px 0;
            opacity: 0.6;
        }

        @media (max-width: 992px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .hero-bento {
                grid-template-columns: 1fr;
            }
            .hero-cta-row {
                grid-column: span 1;
            }
        }

        @media (max-width: 768px) {
            .navbar-brand {
                font-size: 1.1rem;
            }
            .hero-section {
                padding: 40px 0;
            }
            .hero-main {
                padding: 24px;
            }
            .card-custom {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            h1 {
                font-size: 1.8rem;
            }
            .btn-primary-custom, .btn-outline-custom {
                font-size: 0.95rem;
            }
        }

/* roulang page: category2 */
/* roulang design system: category2 - Đánh Giá Nhà Cái */
        :root {
            --deep-violet: #120524;
            --midnight-purple: #1E0B36;
            --hot-pink: #FF007F;
            --neon-yellow: #FFFF00;
            --neon-pink: #FF79C6;
            --white: #FFFFFF;
            --silver: #A6ACAF;
            --dark-card: rgba(30, 11, 54, 0.8);
            --border-glow: rgba(255, 0, 127, 0.4);
            --shadow-neon: 0 0 15px rgba(255, 0, 127, 0.5);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --font-heading: 'Segoe UI', 'Tahoma', system-ui, sans-serif;
            --font-body: 'Segoe UI', 'Tahoma', system-ui, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

        body {
            background: radial-gradient(circle at 30% 10%, var(--midnight-purple) 0%, var(--deep-violet) 70%, #0A0311 100%);
            color: var(--white);
            font-family: var(--font-body);
            line-height: 1.65;
            font-size: 16px;
            min-height: 100vh;
            position: relative;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: repeating-linear-gradient(0deg, rgba(255, 0, 127, 0.02) 0px, rgba(255, 0, 127, 0.02) 1px, transparent 1px, transparent 4px);
            pointer-events: none;
            z-index: 0;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            position: relative;
            z-index: 1;
        }

        a {
            color: var(--neon-pink);
            text-decoration: none;
            transition: all var(--transition-fast);
        }

        a:hover {
            color: var(--hot-pink);
            text-shadow: 0 0 8px var(--hot-pink);
        }

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

        /* Navbar */
        .navbar-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: 0.5px;
            text-shadow: 0 0 10px var(--neon-pink);
            transition: all var(--transition-fast);
        }

        .navbar-brand:hover {
            color: var(--neon-yellow);
            text-shadow: 0 0 16px var(--neon-yellow);
        }

        .navbar {
            background: rgba(18, 5, 36, 0.85);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 0, 127, 0.3);
            padding: 12px 0;
            z-index: 1000;
            position: sticky;
            top: 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
        }

        .navbar .nav-link {
            color: var(--silver);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 14px;
            border-radius: 20px;
            transition: all var(--transition-fast);
            margin: 0 2px;
        }

        .navbar .nav-link:hover,
        .navbar .nav-link.active {
            color: var(--white);
            background: rgba(255, 0, 127, 0.2);
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.4);
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--neon-pink);
            color: var(--neon-pink);
            font-weight: 700;
            border-radius: 30px;
            padding: 8px 22px;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(255, 0, 127, 0.15);
            color: var(--white);
            border-color: var(--hot-pink);
            box-shadow: 0 0 12px rgba(255, 0, 127, 0.6);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--hot-pink), #FF1493);
            border: none;
            color: var(--white);
            font-weight: 700;
            border-radius: 30px;
            padding: 8px 22px;
            box-shadow: 0 0 16px rgba(255, 0, 127, 0.7);
            transition: all var(--transition-fast);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #FF1493, var(--neon-yellow));
            color: var(--deep-violet);
            box-shadow: 0 0 24px rgba(255, 255, 0, 0.8);
            transform: scale(1.03);
        }

        /* Hero Section - Whitepaper style */
        .hero-section {
            padding: 60px 0 50px;
            position: relative;
            border-bottom: 1px solid rgba(255, 0, 127, 0.25);
        }

        .hero-cover {
            width: 100%;
            max-width: 380px;
            border-radius: var(--radius-lg);
            box-shadow: 0 0 30px rgba(255, 0, 127, 0.45);
            border: 1px solid var(--border-glow);
            transition: transform var(--transition-fast);
            margin: 0 auto 30px auto;
        }

        .hero-cover:hover {
            transform: scale(1.02);
            box-shadow: 0 0 40px rgba(255, 255, 0, 0.5);
        }

        .hero-title {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--white);
            text-shadow: 0 0 24px var(--hot-pink), 0 0 8px var(--neon-yellow);
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--silver);
            margin-bottom: 25px;
            line-height: 1.7;
        }

        .hero-badge {
            background: rgba(255, 255, 0, 0.15);
            border: 1px solid var(--neon-yellow);
            color: var(--neon-yellow);
            border-radius: 30px;
            padding: 6px 18px;
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, var(--neon-yellow), #FFAA00);
            border: none;
            color: var(--deep-violet);
            font-weight: 800;
            border-radius: 50px;
            padding: 14px 36px;
            font-size: 1.1rem;
            letter-spacing: 0.5px;
            box-shadow: 0 0 28px rgba(255, 255, 0, 0.65);
            transition: all var(--transition-fast);
            display: inline-block;
            text-align: center;
        }

        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 38px rgba(255, 255, 0, 0.9);
            color: #000;
        }

        .btn-outline-custom {
            background: transparent;
            border: 2px solid var(--neon-pink);
            color: var(--neon-pink);
            font-weight: 700;
            border-radius: 50px;
            padding: 12px 32px;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-block;
            text-align: center;
        }

        .btn-outline-custom:hover {
            background: rgba(255, 0, 127, 0.15);
            color: var(--white);
            box-shadow: 0 0 18px rgba(255, 0, 127, 0.7);
            border-color: var(--white);
        }

        /* Section Titles */
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 25px;
            text-shadow: 0 0 12px rgba(255, 255, 0, 0.4);
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -8px;
            width: 60px;
            height: 3px;
            background: var(--hot-pink);
            box-shadow: 0 0 10px var(--hot-pink);
            border-radius: 2px;
        }

        .section-subtitle {
            color: var(--silver);
            font-size: 1.05rem;
            margin-bottom: 35px;
            max-width: 700px;
        }

        /* Brand Evaluation Cards */
        .brand-eval-card {
            background: var(--dark-card);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            margin-bottom: 30px;
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
            height: 100%;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
        }

        .brand-eval-card:hover {
            border-color: var(--neon-yellow);
            box-shadow: 0 0 20px rgba(255, 255, 0, 0.35);
            transform: translateY(-5px);
        }

        .brand-rank {
            font-size: 2.5rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--neon-yellow), var(--hot-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
            margin-bottom: 8px;
        }

        .brand-name {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 15px;
            letter-spacing: 0.5px;
        }

        .brand-score {
            color: var(--neon-yellow);
            font-weight: 700;
            font-size: 1rem;
            background: rgba(255, 255, 0, 0.1);
            padding: 4px 14px;
            border-radius: 20px;
            display: inline-block;
            margin-bottom: 16px;
            border: 1px solid rgba(255, 255, 0, 0.35);
        }

        .brand-detail-list {
            list-style: none;
            padding-left: 0;
            color: var(--silver);
            font-size: 0.95rem;
        }

        .brand-detail-list li {
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
        }

        .brand-detail-list i {
            color: var(--neon-pink);
            margin-right: 10px;
            font-size: 1rem;
            width: 16px;
            text-align: center;
            margin-top: 1px;
        }

        /* Criteria Table */
        .criteria-grid {
            background: rgba(30, 11, 54, 0.7);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid rgba(255, 255, 0, 0.3);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.65);
            margin: 40px 0;
        }

        .criteria-item {
            display: flex;
            align-items: center;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--white);
            font-weight: 500;
        }

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

        .criteria-icon {
            font-size: 1.6rem;
            color: var(--neon-yellow);
            margin-right: 18px;
            width: 36px;
            text-align: center;
        }

        .criteria-text strong {
            color: var(--neon-yellow);
            font-weight: 700;
        }

        /* Process Steps */
        .process-step {
            background: transparent;
            border-left: 3px solid var(--hot-pink);
            padding-left: 24px;
            margin-bottom: 28px;
            transition: all var(--transition-fast);
        }

        .process-step:hover {
            border-left-color: var(--neon-yellow);
            box-shadow: -4px 0 12px rgba(255, 255, 0, 0.2);
        }

        .step-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: rgba(255, 0, 127, 0.5);
            line-height: 1;
            margin-bottom: 6px;
        }

        .step-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 8px;
        }

        .step-desc {
            color: var(--silver);
            margin-bottom: 0;
        }

        /* FAQ */
        .faq-section {
            background: rgba(18, 5, 36, 0.75);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            margin: 45px 0;
            border: 1px solid rgba(255, 0, 127, 0.4);
        }

        .accordion-item {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .accordion-button {
            background: rgba(30, 11, 54, 0.9);
            color: var(--white);
            font-weight: 700;
            box-shadow: none;
            border-radius: var(--radius-sm) !important;
            padding: 16px 20px;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(255, 0, 127, 0.25);
            color: var(--neon-yellow);
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.5);
        }

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

        .accordion-body {
            background: rgba(25, 8, 45, 0.8);
            color: var(--silver);
            padding: 18px 20px;
        }

        /* CTA Block */
        .cta-block {
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.25), rgba(30, 11, 54, 0.9));
            border: 1px solid var(--hot-pink);
            border-radius: var(--radius-lg);
            padding: 44px 32px;
            text-align: center;
            backdrop-filter: blur(8px);
            margin: 50px 0 40px;
        }

        .cta-title {
            font-size: 2rem;
            font-weight: 900;
            color: var(--white);
            margin-bottom: 18px;
        }

        .cta-desc {
            color: var(--silver);
            max-width: 600px;
            margin: 0 auto 28px;
        }

        /* Footer */
        .site-footer {
            background: rgba(12, 3, 24, 0.92);
            backdrop-filter: blur(14px);
            border-top: 2px solid var(--border-glow);
            padding: 44px 0 28px;
            margin-top: 60px;
            color: var(--silver);
        }

        .site-footer a {
            color: var(--silver);
            font-size: 0.95rem;
            transition: color var(--transition-fast);
        }

        .site-footer a:hover {
            color: var(--neon-yellow);
        }

        .text-warning {
            color: var(--neon-yellow) !important;
        }

        .text-silver {
            color: var(--silver) !important;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2rem;
            }
            .brand-eval-card {
                margin-bottom: 20px;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                text-align: center;
                padding: 40px 0 40px;
            }
            .hero-cover {
                max-width: 260px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .process-step {
                margin-bottom: 22px;
            }
            .brand-eval-card {
                padding: 20px;
            }
            .cta-block {
                padding: 30px 20px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .btn-primary-custom {
                padding: 12px 24px;
                font-size: 1rem;
            }
            .brand-rank {
                font-size: 2rem;
            }
        }

/* roulang page: category3 */
:root {
            --deep-violet: #120524;
            --midnight-purple: #1E0B36;
            --hot-pink: #FF007F;
            --neon-yellow: #FFFF00;
            --neon-pink: #FF79C6;
            --white: #FFFFFF;
            --silver: #A6ACAF;
            --dark-card: rgba(30, 11, 54, 0.8);
            --border-glow: rgba(255, 0, 127, 0.4);
            --shadow-neon: 0 0 15px rgba(255, 0, 127, 0.5);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --font-heading: 'Segoe UI', 'Tahoma', system-ui, sans-serif;
            --font-body: 'Segoe UI', 'Tahoma', system-ui, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        body {
            background: radial-gradient(circle at 30% 10%, var(--midnight-purple) 0%, var(--deep-violet) 70%, #0A0311 100%);
            color: var(--white);
            font-family: var(--font-body);
            line-height: 1.65;
            font-size: 16px;
            min-height: 100vh;
            position: relative;
            overflow-x: hidden;
            margin: 0;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: repeating-linear-gradient(0deg, rgba(255, 0, 127, 0.02) 0px, rgba(255, 0, 127, 0.02) 1px, transparent 1px, transparent 4px);
            pointer-events: none;
            z-index: 0;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            position: relative;
            z-index: 1;
        }

        a {
            color: var(--neon-pink);
            text-decoration: none;
            transition: all var(--transition-fast);
        }

        a:hover {
            color: var(--hot-pink);
            text-shadow: 0 0 8px var(--hot-pink);
        }

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

        .navbar {
            background: rgba(18, 5, 36, 0.85);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 0, 127, 0.3);
            padding: 12px 0;
            z-index: 1000;
            position: sticky;
            top: 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
        }

        .navbar-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: 0.5px;
            text-shadow: 0 0 10px var(--neon-pink);
            transition: all var(--transition-fast);
        }

        .navbar-brand:hover {
            color: var(--neon-yellow);
            text-shadow: 0 0 16px var(--neon-yellow);
        }

        .navbar .nav-link {
            color: var(--silver);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 14px;
            border-radius: 20px;
            transition: all var(--transition-fast);
            margin: 0 2px;
        }

        .navbar .nav-link:hover,
        .navbar .nav-link.active {
            color: var(--white);
            background: rgba(255, 0, 127, 0.2);
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.4);
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--neon-pink);
            color: var(--neon-pink);
            font-weight: 700;
            border-radius: 30px;
            padding: 8px 22px;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(255, 0, 127, 0.15);
            color: var(--white);
            border-color: var(--hot-pink);
            box-shadow: 0 0 12px rgba(255, 0, 127, 0.6);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--hot-pink), #FF1493);
            border: none;
            color: var(--white);
            font-weight: 700;
            border-radius: 30px;
            padding: 8px 22px;
            box-shadow: 0 0 16px rgba(255, 0, 127, 0.7);
            transition: all var(--transition-fast);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #FF1493, var(--neon-yellow));
            color: var(--deep-violet);
            box-shadow: 0 0 24px rgba(255, 255, 0, 0.8);
            transform: scale(1.03);
        }

        .hero-section {
            padding: 60px 0 70px;
            position: relative;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--white);
            text-shadow: 0 0 24px var(--hot-pink), 0 0 8px var(--neon-yellow);
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--silver);
            max-width: 650px;
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .hero-badge {
            background: rgba(255, 255, 0, 0.15);
            border: 1px solid var(--neon-yellow);
            color: var(--neon-yellow);
            border-radius: 30px;
            padding: 6px 18px;
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, var(--neon-yellow), #FFAA00);
            border: none;
            color: var(--deep-violet);
            font-weight: 800;
            border-radius: 50px;
            padding: 14px 36px;
            font-size: 1.1rem;
            letter-spacing: 0.5px;
            box-shadow: 0 0 28px rgba(255, 255, 0, 0.65);
            transition: all var(--transition-fast);
            display: inline-block;
            text-align: center;
        }

        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 38px rgba(255, 255, 0, 0.9);
            color: #000;
        }

        .btn-outline-custom {
            background: transparent;
            border: 2px solid var(--neon-pink);
            color: var(--neon-pink);
            font-weight: 700;
            border-radius: 50px;
            padding: 12px 32px;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .btn-outline-custom:hover {
            background: rgba(255, 0, 127, 0.15);
            border-color: var(--hot-pink);
            color: var(--white);
            box-shadow: 0 0 18px rgba(255, 0, 127, 0.7);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 16px;
            text-shadow: 0 0 12px rgba(255, 121, 198, 0.5);
        }

        .text-neon {
            color: var(--neon-yellow);
            font-weight: 700;
        }

        .card-glass {
            background: var(--dark-card);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all var(--transition-fast);
            height: 100%;
        }

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

        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 24px;
            margin-bottom: 32px;
        }

        .step-number {
            width: 52px;
            height: 52px;
            background: linear-gradient(135deg, var(--hot-pink), #FF1493);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.6rem;
            color: var(--white);
            box-shadow: 0 0 16px rgba(255, 0, 127, 0.6);
            flex-shrink: 0;
        }

        .check-list li {
            list-style: none;
            padding-left: 28px;
            margin-bottom: 12px;
            position: relative;
            color: var(--silver);
        }

        .check-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--neon-yellow);
            font-size: 0.9rem;
        }

        .faq-item {
            background: var(--dark-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            overflow: hidden;
        }

        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 700;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(255, 0, 127, 0.1);
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--silver);
            display: none;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        .cta-section {
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.2), rgba(30, 11, 54, 0.9));
            border: 1px solid var(--hot-pink);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            text-align: center;
            box-shadow: 0 0 30px rgba(255, 0, 127, 0.3);
        }

        .site-footer {
            background: rgba(10, 3, 17, 0.95);
            border-top: 1px solid rgba(255, 0, 127, 0.4);
            padding: 48px 0 24px;
            margin-top: 60px;
            color: var(--silver);
        }

        .site-footer h5 {
            font-weight: 700;
            margin-bottom: 16px;
        }

        .site-footer ul {
            padding: 0;
        }

        .site-footer ul li {
            margin-bottom: 8px;
        }

        .site-footer ul li a {
            color: var(--silver);
            font-size: 0.95rem;
        }

        .site-footer ul li a:hover {
            color: var(--neon-yellow);
        }

        .text-silver {
            color: var(--silver) !important;
        }

        .text-warning {
            color: var(--neon-yellow) !important;
        }

        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(12px);
            border-radius: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--neon-pink);
            box-shadow: 0 0 20px rgba(255, 121, 198, 0.5);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(255, 121, 198, 0.9);
            background: var(--hot-pink);
        }

        .fab-left i {
            font-size: 1.5rem;
            color: var(--white);
        }

        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .navbar-brand {
                font-size: 1.1rem;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .btn-primary-custom {
                padding: 12px 24px;
                font-size: 1rem;
            }
            .btn-outline-custom {
                padding: 10px 22px;
                font-size: 0.9rem;
            }
            .step-item {
                flex-direction: column;
                gap: 12px;
            }
            .step-number {
                width: 44px;
                height: 44px;
                font-size: 1.3rem;
            }
            .card-glass {
                padding: 20px;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-section {
                padding: 40px 0 50px;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                width: 100%;
                text-align: center;
                margin-bottom: 12px;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 70px;
            }
        }

/* roulang page: category4 */
:root {
            --deep-violet: #120524;
            --midnight-purple: #1E0B36;
            --hot-pink: #FF007F;
            --neon-yellow: #FFFF00;
            --neon-pink: #FF79C6;
            --white: #FFFFFF;
            --silver: #A6ACAF;
            --dark-card: rgba(30, 11, 54, 0.8);
            --border-glow: rgba(255, 0, 127, 0.4);
            --shadow-neon: 0 0 15px rgba(255, 0, 127, 0.5);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --font-heading: 'Segoe UI', 'Tahoma', system-ui, sans-serif;
            --font-body: 'Segoe UI', 'Tahoma', system-ui, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            box-sizing: border-box;
        }
        body {
            background: radial-gradient(circle at 30% 10%, var(--midnight-purple) 0%, var(--deep-violet) 70%, #0A0311 100%);
            color: var(--white);
            font-family: var(--font-body);
            line-height: 1.65;
            font-size: 16px;
            min-height: 100vh;
            position: relative;
            overflow-x: hidden;
        }
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: repeating-linear-gradient(0deg, rgba(255, 0, 127, 0.02) 0px, rgba(255, 0, 127, 0.02) 1px, transparent 1px, transparent 4px);
            pointer-events: none;
            z-index: 0;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            position: relative;
            z-index: 1;
        }
        a {
            color: var(--neon-pink);
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        a:hover {
            color: var(--hot-pink);
            text-shadow: 0 0 8px var(--hot-pink);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .navbar-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: 0.5px;
            text-shadow: 0 0 10px var(--neon-pink);
            transition: all var(--transition-fast);
        }
        .navbar-brand:hover {
            color: var(--neon-yellow);
            text-shadow: 0 0 16px var(--neon-yellow);
        }
        .navbar {
            background: rgba(18, 5, 36, 0.85);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 0, 127, 0.3);
            padding: 12px 0;
            z-index: 1000;
            position: sticky;
            top: 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
        }
        .navbar .nav-link {
            color: var(--silver);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 14px;
            border-radius: 20px;
            transition: all var(--transition-fast);
            margin: 0 2px;
        }
        .navbar .nav-link:hover,
        .navbar .nav-link.active {
            color: var(--white);
            background: rgba(255, 0, 127, 0.2);
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.4);
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--neon-pink);
            color: var(--neon-pink);
            font-weight: 700;
            border-radius: 30px;
            padding: 8px 22px;
            transition: all var(--transition-fast);
        }
        .btn-login:hover {
            background: rgba(255, 0, 127, 0.15);
            color: var(--white);
            border-color: var(--hot-pink);
            box-shadow: 0 0 12px rgba(255, 0, 127, 0.6);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--hot-pink), #FF1493);
            border: none;
            color: var(--white);
            font-weight: 700;
            border-radius: 30px;
            padding: 8px 22px;
            box-shadow: 0 0 16px rgba(255, 0, 127, 0.7);
            transition: all var(--transition-fast);
        }
        .btn-signup:hover {
            background: linear-gradient(135deg, #FF1493, var(--neon-yellow));
            color: var(--deep-violet);
            box-shadow: 0 0 24px rgba(255, 255, 0, 0.8);
            transform: scale(1.03);
        }
        .hero-section {
            padding: 70px 0 80px;
            position: relative;
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            color: var(--white);
            text-shadow: 0 0 24px var(--hot-pink), 0 0 8px var(--neon-yellow);
            letter-spacing: -0.5px;
            margin-bottom: 24px;
        }
        .hero-desc {
            font-size: 1.2rem;
            color: var(--silver);
            max-width: 700px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .hero-badge {
            background: rgba(255, 255, 0, 0.15);
            border: 1px solid var(--neon-yellow);
            color: var(--neon-yellow);
            border-radius: 30px;
            padding: 6px 18px;
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--neon-yellow), #FFAA00);
            border: none;
            color: var(--deep-violet);
            font-weight: 800;
            border-radius: 50px;
            padding: 14px 36px;
            font-size: 1.1rem;
            letter-spacing: 0.5px;
            box-shadow: 0 0 28px rgba(255, 255, 0, 0.65);
            transition: all var(--transition-fast);
            display: inline-block;
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 38px rgba(255, 255, 0, 0.9);
            color: #000;
        }
        .btn-outline-custom {
            background: transparent;
            border: 2px solid var(--neon-pink);
            color: var(--neon-pink);
            font-weight: 700;
            border-radius: 50px;
            padding: 12px 32px;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }
        .btn-outline-custom:hover {
            background: rgba(255, 0, 127, 0.15);
            color: var(--white);
            border-color: var(--hot-pink);
            box-shadow: 0 0 16px rgba(255, 0, 127, 0.6);
        }
        .section-title {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--white);
            text-shadow: 0 0 12px var(--hot-pink);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .section-desc {
            color: var(--silver);
            font-size: 1.1rem;
            margin-bottom: 48px;
            max-width: 800px;
            line-height: 1.6;
        }
        .card-promo {
            background: rgba(18, 5, 36, 0.75);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            transition: all var(--transition-fast);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .card-promo:hover {
            border-color: var(--hot-pink);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }
        .card-promo::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--hot-pink), var(--neon-yellow));
            opacity: 0;
            transition: opacity var(--transition-fast);
        }
        .card-promo:hover::before {
            opacity: 1;
        }
        .promo-tag {
            background: linear-gradient(135deg, var(--hot-pink), #FF1493);
            color: var(--white);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 4px 12px;
            border-radius: 20px;
            display: inline-block;
            margin-bottom: 16px;
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.5);
        }
        .promo-tag.gold {
            background: linear-gradient(135deg, var(--neon-yellow), #FFAA00);
            color: var(--deep-violet);
            box-shadow: 0 0 10px rgba(255, 255, 0, 0.5);
        }
        .promo-value {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--neon-yellow);
            text-shadow: 0 0 12px var(--neon-yellow);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .promo-detail {
            color: var(--silver);
            font-size: 0.95rem;
            margin-bottom: 20px;
            line-height: 1.5;
        }
        .faq-item {
            background: rgba(18, 5, 36, 0.75);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--hot-pink);
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--white);
            margin-bottom: 8px;
            cursor: pointer;
        }
        .faq-answer {
            color: var(--silver);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .site-footer {
            background: rgba(8, 3, 17, 0.9);
            border-top: 1px solid rgba(255, 0, 127, 0.3);
            padding: 60px 0 30px;
            margin-top: 80px;
            position: relative;
            z-index: 1;
        }
        .site-footer h5 {
            font-weight: 700;
            margin-bottom: 16px;
        }
        .site-footer a {
            color: var(--silver);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }
        .site-footer a:hover {
            color: var(--neon-pink);
            text-shadow: 0 0 6px var(--neon-pink);
        }
        .text-silver {
            color: var(--silver);
        }
        .text-warning {
            color: var(--neon-yellow) !important;
        }
        .fab-container {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 1050;
            width: 52px;
            height: 52px;
            background: rgba(18, 5, 36, 0.8);
            backdrop-filter: blur(14px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, var(--neon-pink), var(--neon-yellow)) 1;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 16px rgba(255, 0, 127, 0.6);
            transition: all var(--transition-fast);
            cursor: pointer;
            animation: floatPulse 2.8s infinite ease-in-out;
        }
        .fab-container:hover {
            transform: scale(1.12);
            box-shadow: 0 0 28px rgba(255, 255, 0, 0.8);
        }
        .fab-container i {
            font-size: 1.8rem;
            color: var(--neon-yellow);
            text-shadow: 0 0 12px var(--neon-yellow);
        }
        @keyframes floatPulse {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        .steps-flow {
            position: relative;
        }
        .step-item {
            background: rgba(18, 5, 36, 0.75);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            height: 100%;
            transition: all var(--transition-fast);
        }
        .step-item:hover {
            border-color: var(--hot-pink);
            box-shadow: 0 0 18px rgba(255, 0, 127, 0.4);
        }
        .step-icon {
            font-size: 2.4rem;
            color: var(--neon-yellow);
            margin-bottom: 16px;
            text-shadow: 0 0 14px var(--neon-yellow);
        }
        .step-num {
            font-weight: 900;
            font-size: 1.2rem;
            color: var(--hot-pink);
            margin-bottom: 8px;
        }
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 1.9rem;
            }
            .card-promo {
                padding: 24px 16px;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 50px 0 60px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .promo-value {
                font-size: 1.6rem;
            }
            .navbar-brand {
                font-size: 1.1rem;
            }
            .fab-container {
                width: 48px;
                height: 48px;
                left: 16px;
                bottom: 80px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .btn-primary-custom {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
            .btn-outline-custom {
                padding: 10px 24px;
                font-size: 0.9rem;
            }
            .card-promo {
                padding: 20px 12px;
            }
        }