/* roulang page: index */
:root {
            --jade-dark: #0A2E1C;
            --jade-deep: #062315;
            --jade-mid: #123E25;
            --gold: #FFD700;
            --gold-dim: #C5A059;
            --red: #D32F2F;
            --text: #FFFFFF;
            --mint: #D1F2EB;
            --muted: #A6ACAF;
            --border-gold: rgba(255, 215, 0, 0.3);
            --border-gold-strong: rgba(255, 215, 0, 0.7);
            --shadow-dark: 0 12px 30px rgba(0,0,0,0.5);
            --shadow-gold: 0 8px 24px rgba(255, 215, 0, 0.2);
            --radius: 18px;
            --radius-sm: 10px;
            --header-height: 72px;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
            background-color: var(--jade-dark);
            color: var(--text);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            color: var(--gold);
            text-decoration: none;
            transition: color 0.2s, opacity 0.2s;
        }

        a:hover {
            color: #fff;
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-sm);
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-gold);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .navbar {
            padding: 0;
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.7rem;
            letter-spacing: 1.5px;
            color: var(--gold) !important;
            text-shadow: 0 0 12px rgba(255, 215, 0, 0.7);
        }

        .navbar-nav .nav-link {
            color: #fff !important;
            font-weight: 600;
            padding: 0.8rem 1.2rem !important;
            border-radius: 30px;
            margin: 0 4px;
            transition: background 0.3s, color 0.3s;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            background: rgba(255, 215, 0, 0.15);
            color: var(--gold) !important;
        }

        .navbar-nav .nav-link.active {
            color: var(--gold) !important;
            background: rgba(255, 215, 0, 0.1);
            box-shadow: inset 0 -2px 0 var(--gold);
        }

        .btn-outline-light {
            border: 1px solid rgba(255,255,255,0.6);
            color: #fff;
            border-radius: 30px;
            font-weight: 600;
            padding: 0.5rem 1.4rem;
        }

        .btn-outline-light:hover {
            background: rgba(255,255,255,0.1);
            border-color: #fff;
            color: #fff;
        }

        .btn-gold {
            background: linear-gradient(135deg, #FFD700 0%, #FFBF00 100%);
            border: none;
            color: #0A2E1C;
            font-weight: 800;
            border-radius: 30px;
            padding: 0.5rem 1.6rem;
            transition: all 0.3s;
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(255, 215, 0, 0.4);
            color: #0A2E1C;
            background: #fff;
        }

        .navbar-toggler {
            border: 1px solid var(--border-gold-strong);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            background-color: var(--jade-deep);
            padding: calc(var(--header-height) + 40px) 0 80px;
            margin-bottom: 0;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(6,35,21,0.88) 0%, rgba(10,46,28,0.7) 50%, rgba(6,35,21,0.9) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 5;
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 1.2rem;
            color: #fff;
            text-shadow: 0 4px 15px rgba(0,0,0,0.6);
        }

        .hero .lead {
            font-size: 1.15rem;
            color: var(--mint);
            max-width: 700px;
            margin-bottom: 2rem;
        }

        .hero-cta .btn {
            margin-right: 12px;
            margin-bottom: 10px;
        }

        .countdown-box {
            background: rgba(0,0,0,0.5);
            border: 1px solid var(--border-gold-strong);
            border-radius: var(--radius);
            padding: 1.5rem;
            backdrop-filter: blur(8px);
            margin-top: 2rem;
        }

        .countdown-box h5 {
            color: var(--gold);
            font-weight: 700;
        }

        .countdown-timer {
            display: flex;
            gap: 10px;
            justify-content: center;
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
        }

        .countdown-timer span {
            background: rgba(255, 215, 0, 0.15);
            border-radius: 8px;
            padding: 10px 16px;
            min-width: 60px;
            text-align: center;
            border: 1px solid var(--border-gold);
        }

        .subscribe-form {
            max-width: 460px;
            margin: 1.5rem auto 0;
        }

        .subscribe-form .input-group {
            background: rgba(255,255,255,0.1);
            border-radius: 50px;
            padding: 5px;
            border: 1px solid var(--border-gold);
        }

        .subscribe-form .form-control {
            background: transparent;
            border: none;
            color: #fff;
            padding: 0.8rem 1.2rem;
            box-shadow: none;
        }

        .subscribe-form .form-control::placeholder {
            color: rgba(255,255,255,0.6);
        }

        .subscribe-form .btn {
            border-radius: 50px;
            padding: 0.6rem 1.5rem;
            font-weight: 700;
        }

        /* Section base */
        section {
            padding: 70px 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 15px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--mint);
            max-width: 700px;
            margin-bottom: 40px;
        }

        .section-title .gold,
        .section-subtitle .gold {
            color: var(--gold);
        }

        /* Feature cards */
        .feature-card {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius);
            padding: 30px 25px;
            height: 100%;
            transition: all 0.35s;
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-gold);
            border-color: var(--gold);
            background: rgba(18, 62, 37, 0.95);
        }

        .feature-icon {
            font-size: 2.5rem;
            color: var(--gold);
            margin-bottom: 15px;
        }

        .feature-card h5 {
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .feature-card p {
            color: var(--mint);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* Testimonials */
        .testimonial-card {
            background: rgba(0,0,0,0.35);
            border-radius: var(--radius);
            border: 1px solid rgba(255,255,255,0.1);
            padding: 30px;
            height: 100%;
            position: relative;
        }

        .testimonial-card .quote-icon {
            position: absolute;
            top: 20px;
            right: 25px;
            color: var(--gold);
            font-size: 2rem;
            opacity: 0.4;
        }

        .testimonial-card blockquote {
            font-size: 1rem;
            color: var(--mint);
            font-style: italic;
            margin-bottom: 20px;
        }

        .testimonial-card .user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-card .user-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: #0A2E1C;
            font-size: 1.2rem;
        }

        .testimonial-card .user-info h6 {
            margin-bottom: 0;
            font-weight: 700;
            color: #fff;
        }

        .testimonial-card .user-info small {
            color: var(--muted);
        }

        /* Stats */
        .stats {
            background: linear-gradient(145deg, #062315 0%, #0A2E1C 100%);
        }

        .stat-item {
            text-align: center;
            padding: 30px 15px;
            border-right: 1px solid var(--border-gold);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--gold);
            text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
        }

        .stat-label {
            color: var(--mint);
            font-size: 1rem;
            margin-top: 5px;
        }

        @media (max-width: 768px) {
            .stat-item {
                border-right: none;
                border-bottom: 1px solid var(--border-gold);
                padding: 20px 10px;
            }
            .stat-item:last-child {
                border-bottom: none;
            }
        }

        /* Comparison */
        .comparison-table {
            background: rgba(0,0,0,0.4);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-gold);
        }

        .comparison-table .table {
            color: #fff;
            margin-bottom: 0;
        }

        .comparison-table .table thead th {
            background: var(--gold);
            color: #0A2E1C;
            font-weight: 800;
            padding: 16px;
            border: none;
        }

        .comparison-table .table tbody td {
            padding: 15px;
            border-color: rgba(255,255,255,0.1);
            vertical-align: middle;
        }

        .comparison-table .table tbody tr:hover {
            background: rgba(255, 215, 0, 0.05);
        }

        .check-icon {
            color: #32CD32;
            font-weight: 700;
        }

        .cross-icon {
            color: var(--red);
            font-weight: 700;
        }

        /* News / CMS */
        .news-wrapper {
            background: rgba(0,0,0,0.25);
            border-radius: var(--radius);
            border: 1px solid rgba(255,255,255,0.08);
            padding: 30px;
        }

        .news-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 10px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            transition: background 0.2s;
        }

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

        .news-item:hover {
            background: rgba(255, 215, 0, 0.05);
        }

        .news-title {
            font-weight: 600;
            color: #fff;
            flex: 1;
            margin-right: 20px;
        }

        .news-meta {
            color: var(--muted);
            font-size: 0.9rem;
            white-space: nowrap;
        }

        .news-sidebar {
            background: rgba(18, 62, 37, 0.5);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius);
            padding: 25px;
        }

        .news-sidebar h5 {
            color: var(--gold);
            font-weight: 700;
            margin-bottom: 15px;
        }

        .news-sidebar ul {
            list-style: none;
            padding-left: 0;
        }

        .news-sidebar ul li {
            margin-bottom: 12px;
            position: relative;
            padding-left: 20px;
        }

        .news-sidebar ul li::before {
            content: '\f0da';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--gold);
        }

        /* FAQ */
        .accordion-item {
            background: rgba(18, 62, 37, 0.6);
            border: 1px solid var(--border-gold);
            margin-bottom: 12px;
            border-radius: var(--radius-sm) !important;
            overflow: hidden;
        }

        .accordion-button {
            background: transparent;
            color: #fff;
            font-weight: 700;
            padding: 18px 20px;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(255, 215, 0, 0.1);
            color: var(--gold);
            box-shadow: none;
        }

        .accordion-button:focus {
            border-color: var(--border-gold-strong);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.3);
        }

        .accordion-body {
            color: var(--mint);
            padding: 18px 20px;
        }

        /* Lead form */
        .cta-form-wrapper {
            background: url('/assets/images/backpic/back-2.jpg') center / cover no-repeat;
            border-radius: var(--radius);
            padding: 50px 40px;
            position: relative;
            overflow: hidden;
            border: 1px solid var(--border-gold-strong);
        }

        .cta-form-wrapper::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(6, 35, 21, 0.85);
        }

        .cta-form-content {
            position: relative;
            z-index: 2;
        }

        .cta-form-wrapper .form-control {
            background: rgba(255,255,255,0.1);
            border: 1px solid var(--border-gold);
            color: #fff;
            border-radius: 10px;
            padding: 12px 16px;
        }

        .cta-form-wrapper .form-control::placeholder {
            color: rgba(255,255,255,0.6);
        }

        .cta-form-wrapper .form-label {
            color: var(--mint);
            font-weight: 600;
        }

        .privacy-note {
            font-size: 0.85rem;
            color: var(--muted);
            margin-top: 15px;
        }

        /* Footer */
        .site-footer {
            background: var(--jade-deep);
            border-top: 2px solid var(--gold);
            padding: 40px 0 20px;
            color: var(--mint);
        }

        .site-footer .footer-brand {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--gold);
            margin-bottom: 10px;
        }

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

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

        .site-footer .footer-links a {
            color: var(--mint);
            transition: color 0.2s;
        }

        .site-footer .footer-links a:hover {
            color: var(--gold);
        }

        .trust-badges {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            margin-top: 20px;
        }

        .trust-badge {
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 0.85rem;
            color: var(--mint);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .copyright {
            text-align: center;
            margin-top: 25px;
            padding-top: 15px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: var(--muted);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 1000;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #0F3B25, #0A2E1C);
            border: 2px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.8rem;
            text-decoration: none;
            opacity: 0.7;
            transition: all 0.3s;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            animation: floatFAB 3s infinite ease-in-out;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            color: var(--gold);
            box-shadow: 0 0 0 6px rgba(255, 215, 0, 0.15);
        }

        .fab .badge-notify {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            background: var(--red);
            border-radius: 50%;
            border: 2px solid #fff;
            animation: blinkNoti 1.5s infinite;
        }

        @keyframes floatFAB {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

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

        /* Responsive adjustments */
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 2.2rem;
            }
            .countdown-timer {
                font-size: 1.5rem;
            }
            .countdown-timer span {
                min-width: 45px;
                padding: 8px 10px;
            }
            .navbar-collapse {
                background: rgba(6, 35, 21, 0.98);
                padding: 20px;
                border-radius: 0 0 15px 15px;
                border: 1px solid var(--border-gold);
                margin-top: 10px;
            }
            .navbar-nav .nav-link {
                padding: 0.6rem 1rem !important;
            }
            .site-header .container {
                max-width: 100%;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .hero {
                min-height: auto;
                padding-top: calc(var(--header-height) + 30px);
                padding-bottom: 60px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero .lead {
                font-size: 1rem;
            }
            .cta-form-wrapper {
                padding: 30px 20px;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .btn {
                font-size: 0.9rem;
                padding: 0.5rem 1rem;
            }
            .countdown-timer {
                font-size: 1.2rem;
                gap: 5px;
            }
            .countdown-timer span {
                min-width: 35px;
                padding: 6px;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: rgba(255, 215, 0, 0.4);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --radius: 12px;
            --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: var(--font-family);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #FFC200;
        }
        
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
        }
        
        .container {
            max-width: 1140px;
            padding-left: 15px;
            padding-right: 15px;
        }
        
        /* Header / Navigation */
        .site-header {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-gold);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0,0,0,0.5);
        }
        .navbar {
            padding: 0.75rem 0;
        }
        .navbar-brand {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-gold) !important;
            letter-spacing: 0.5px;
            text-shadow: 0 0 10px rgba(255,215,0,0.3);
        }
        .navbar-dark .navbar-nav .nav-link {
            color: var(--text-white);
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            transition: all 0.3s;
        }
        .navbar-dark .navbar-nav .nav-link:hover,
        .navbar-dark .navbar-nav .nav-link.active {
            color: var(--accent-gold);
            background: rgba(255,215,0,0.1);
        }
        .btn-gold {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            border: none;
            padding: 0.5rem 1.5rem;
            border-radius: 25px;
            transition: all 0.3s;
            box-shadow: 0 2px 8px rgba(255,215,0,0.4);
        }
        .btn-gold:hover {
            background: #FFC200;
            color: #0A2E1C;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255,215,0,0.5);
        }
        .btn-outline-light {
            border-radius: 25px;
            padding: 0.5rem 1.5rem;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,0.1);
            color: var(--accent-gold);
            border-color: var(--accent-gold);
        }
        
        /* Article Hero */
        .article-hero {
            background: linear-gradient(135deg, var(--secondary-bg) 0%, #0A2E1C 100%);
            padding: 4rem 0 2.5rem;
            border-bottom: 1px solid var(--border-gold);
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 40%, rgba(255,215,0,0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .article-category {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 0.25rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 1rem;
        }
        .article-title {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--accent-gold);
            margin-bottom: 1rem;
            text-shadow: 0 2px 6px rgba(0,0,0,0.6);
        }
        .article-meta {
            color: var(--text-mint);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .article-meta i {
            color: var(--accent-gold);
            margin-right: 0.4rem;
        }
        .article-featured-img {
            margin-top: 2rem;
            border: 1px solid var(--border-gold);
            box-shadow: 0 8px 24px rgba(0,0,0,0.5);
            border-radius: var(--radius);
            overflow: hidden;
        }
        
        /* Article Body */
        .article-body {
            padding: 3rem 0;
            flex: 1;
        }
        .article-content {
            background: rgba(18, 62, 37, 0.4);
            border-radius: var(--radius);
            padding: 2rem;
            border: 1px solid rgba(255,215,0,0.2);
            font-size: 1.05rem;
            line-height: 1.7;
        }
        .article-content h2 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        .article-content h3 {
            color: var(--text-mint);
            font-weight: 600;
            margin-top: 1.5rem;
        }
        .article-content p {
            margin-bottom: 1.2rem;
            color: rgba(255,255,255,0.9);
        }
        .article-content ul, 
        .article-content ol {
            margin-bottom: 1.2rem;
            padding-left: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.5rem;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent-gold);
            padding: 1rem 1.5rem;
            background: rgba(255,215,0,0.05);
            margin: 1.5rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
            font-style: italic;
            color: var(--text-mint);
        }
        .content-not-found {
            text-align: center;
            padding: 3rem 0;
            color: var(--text-mint);
            font-size: 1.2rem;
        }
        .content-not-found a {
            display: inline-block;
            margin-top: 1rem;
            background: var(--accent-gold);
            color: #0A2E1C;
            padding: 0.75rem 2rem;
            border-radius: 25px;
            font-weight: 700;
        }
        
        /* Promo / CTA Section */
        .promo-section {
            background: linear-gradient(135deg, #123E25, #0A2E1C);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            padding: 3rem 0;
        }
        .promo-card {
            background: rgba(0,0,0,0.3);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius);
            padding: 2rem;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .promo-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-gold);
        }
        .promo-icon {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        
        /* FAQ Section */
        .faq-section {
            padding: 3rem 0;
        }
        .accordion-item {
            background: transparent;
            border: 1px solid var(--border-gold);
            border-radius: var(--radius) !important;
            margin-bottom: 1rem;
            overflow: hidden;
        }
        .accordion-button {
            background: rgba(18, 62, 37, 0.6);
            color: var(--text-white);
            font-weight: 600;
            padding: 1.25rem 1.5rem;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(255,215,0,0.1);
            color: var(--accent-gold);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--accent-gold);
        }
        .accordion-button::after {
            filter: brightness(0) invert(1);
        }
        .accordion-body {
            background: rgba(0,0,0,0.2);
            color: var(--text-mint);
            padding: 1.25rem 1.5rem;
        }
        
        /* Footer */
        .site-footer {
            background: #081E13;
            border-top: 2px solid var(--accent-gold);
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-brand {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 0.75rem;
        }
        .footer-links a {
            color: var(--text-mint);
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: var(--accent-gold);
        }
        .trust-badge {
            display: inline-block;
            background: rgba(255,215,0,0.1);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 0.4rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
        .trust-badges {
            border-top: 1px solid rgba(255,215,0,0.2);
            padding-top: 1.5rem;
            margin-top: 1.5rem;
        }
        .copyright {
            text-align: center;
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            margin-top: 1.5rem;
        }
        
        /* FAB */
        .fab-support {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 1050;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: #0A2E1C;
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.8rem;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            animation: float 3s ease-in-out infinite;
            transition: all 0.3s;
            cursor: pointer;
            text-decoration: none;
        }
        .fab-support:hover {
            transform: scale(1.1) rotate(10deg);
            box-shadow: 0 6px 25px rgba(255,215,0,0.5);
            color: #FFC200;
        }
        .fab-support::after {
            content: '';
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: blink 1s infinite;
        }
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }
        
        /* Responsive */
        @media (max-width: 992px) {
            .navbar-collapse {
                background: rgba(10,46,28,0.98);
                border-radius: var(--radius);
                padding: 1rem;
                margin-top: 0.5rem;
            }
            .navbar-nav {
                margin-bottom: 1rem;
            }
            .d-flex.align-items-center {
                flex-direction: row;
                justify-content: center;
            }
        }
        @media (max-width: 768px) {
            .article-title {
                font-size: 2rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .promo-card {
                margin-bottom: 1rem;
            }
        }
        @media (max-width: 576px) {
            .article-meta {
                flex-direction: column;
                gap: 0.5rem;
            }
            .article-hero {
                padding: 2.5rem 0 1.5rem;
            }
            .article-title {
                font-size: 1.6rem;
            }
            .btn-gold, .btn-outline-light {
                display: block;
                width: 100%;
                margin-bottom: 0.5rem;
            }
            .navbar-brand {
                font-size: 1.3rem;
            }
        }

/* roulang page: category1 */
:root {
            --nh79-primary: #0A2E1C;
            --nh79-primary-deep: #071f13;
            --nh79-secondary: #123E25;
            --nh79-accent-gold: #FFD700;
            --nh79-accent-gold-soft: #FFED8A;
            --nh79-accent-red: #D32F2F;
            --nh79-accent-red-soft: #FF6B6B;
            --nh79-text-white: #FFFFFF;
            --nh79-text-mint: #D1F2EB;
            --nh79-text-muted: #A8C9BE;
            --nh79-border-gold: rgba(255, 215, 0, 0.35);
            --nh79-border-soft: rgba(255, 215, 0, 0.15);
            --nh79-bg-card: #0F3320;
            --nh79-bg-card-hover: #143D27;
            --nh79-shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.12);
            --nh79-shadow-gold-lg: 0 12px 40px rgba(255, 215, 0, 0.18);
            --nh79-radius-sm: 8px;
            --nh79-radius-md: 14px;
            --nh79-radius-lg: 20px;
            --nh79-radius-xl: 28px;
            --nh79-transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        body {
            font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            background-color: var(--nh79-primary);
            color: var(--nh79-text-white);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--nh79-accent-gold);
            text-decoration: none;
            transition: var(--nh79-transition);
        }

        a:hover {
            color: var(--nh79-accent-gold-soft);
        }

        button,
        .btn {
            cursor: pointer;
            font-family: 'Be Vietnam Pro', sans-serif;
            font-weight: 600;
            transition: var(--nh79-transition);
        }

        .btn:focus,
        a:focus,
        button:focus {
            outline: 2px solid var(--nh79-accent-gold);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            background: rgba(7, 31, 19, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--nh79-border-soft);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
        }

        .site-header .navbar {
            padding-top: 0.65rem;
            padding-bottom: 0.65rem;
        }

        .navbar-brand {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--nh79-accent-gold) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .navbar-brand i {
            font-size: 1.5rem;
            color: var(--nh79-accent-gold);
        }

        .navbar-nav .nav-link {
            color: var(--nh79-text-mint) !important;
            font-weight: 500;
            font-size: 0.925rem;
            padding: 0.6rem 1.1rem !important;
            border-radius: 8px;
            position: relative;
            transition: var(--nh79-transition);
        }

        .navbar-nav .nav-link:hover {
            color: var(--nh79-accent-gold) !important;
            background: rgba(255, 215, 0, 0.06);
        }

        .navbar-nav .nav-link.active {
            color: var(--nh79-accent-gold) !important;
            background: rgba(255, 215, 0, 0.1);
            font-weight: 700;
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--nh79-accent-gold);
            border-radius: 2px;
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.4);
            color: var(--nh79-text-white);
            font-size: 0.875rem;
            padding: 0.5rem 1.25rem;
            border-radius: 8px;
            font-weight: 600;
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            color: var(--nh79-text-white);
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--nh79-accent-gold) 0%, #FFC107 50%, #FFD700 100%);
            color: #1a1a00;
            font-size: 0.875rem;
            padding: 0.5rem 1.5rem;
            border-radius: 8px;
            font-weight: 800;
            border: none;
            box-shadow: 0 4px 15px rgba(255, 215, 0, 0.35);
            letter-spacing: 0.3px;
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, var(--nh79-accent-gold-soft) 0%, var(--nh79-accent-gold) 100%);
            color: #1a1a00;
            box-shadow: 0 6px 22px rgba(255, 215, 0, 0.5);
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border-color: rgba(255, 255, 255, 0.3);
            padding: 0.4rem 0.65rem;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.3);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== HERO ========== */
        .hero-coupon {
            position: relative;
            background: linear-gradient(160deg, #071f13 0%, #0A2E1C 35%, #0d3a24 70%, #0A2E1C 100%);
            padding: 4rem 0 5.5rem;
            overflow: hidden;
            border-bottom: 1px solid var(--nh79-border-soft);
        }

        .hero-coupon::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-coupon::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(211, 47, 47, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-coupon .badge-hero {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--nh79-border-gold);
            color: var(--nh79-accent-gold);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 0.45rem 1.1rem;
            border-radius: 50px;
            letter-spacing: 0.5px;
            margin-bottom: 1.5rem;
            text-transform: uppercase;
        }

        .hero-coupon .badge-hero i {
            font-size: 0.9rem;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .hero-coupon h1 {
            font-size: clamp(1.85rem, 5vw, 3rem);
            font-weight: 900;
            color: var(--nh79-text-white);
            line-height: 1.25;
            margin-bottom: 1.25rem;
            letter-spacing: -0.5px;
        }

        .hero-coupon h1 .highlight {
            color: var(--nh79-accent-gold);
            position: relative;
        }

        .hero-coupon h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--nh79-accent-gold), transparent);
            border-radius: 4px;
        }

        .hero-coupon .hero-desc {
            font-size: 1.05rem;
            color: var(--nh79-text-mint);
            max-width: 560px;
            line-height: 1.7;
            margin-bottom: 1.75rem;
        }

        .hero-stats {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--nh79-text-mint);
            font-size: 0.875rem;
            font-weight: 500;
        }

        .hero-stat-item i {
            color: var(--nh79-accent-gold);
            font-size: 1rem;
        }

        .hero-actions {
            display: flex;
            gap: 0.9rem;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, var(--nh79-accent-gold) 0%, #FFC107 50%, #FFD700 100%);
            color: #1a1a00;
            font-weight: 800;
            padding: 0.85rem 2.2rem;
            border-radius: 12px;
            font-size: 1rem;
            border: none;
            box-shadow: 0 8px 26px rgba(255, 215, 0, 0.35);
            letter-spacing: 0.3px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-primary:hover {
            background: linear-gradient(135deg, var(--nh79-accent-gold-soft) 0%, var(--nh79-accent-gold) 100%);
            color: #1a1a00;
            box-shadow: 0 10px 34px rgba(255, 215, 0, 0.5);
            transform: translateY(-2px);
        }

        .btn-hero-secondary {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--nh79-text-white);
            font-weight: 600;
            padding: 0.85rem 2rem;
            border-radius: 12px;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.4);
            color: var(--nh79-text-white);
            transform: translateY(-2px);
        }

        /* Coupon Wall */
        .coupon-wall {
            position: relative;
            z-index: 2;
        }

        .coupon-main {
            background: linear-gradient(135deg, #0F3320 0%, #123E25 50%, #0F3320 100%);
            border: 2px solid var(--nh79-border-gold);
            border-radius: var(--nh79-radius-lg);
            padding: 2rem 2.2rem;
            box-shadow: var(--nh79-shadow-gold-lg);
            position: relative;
            overflow: hidden;
            max-width: 480px;
            margin-left: auto;
        }

        .coupon-main::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 130px;
            height: 130px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.18) 0%, transparent 70%);
            border-radius: 50%;
        }

        .coupon-main::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 110px;
            height: 110px;
            background: radial-gradient(circle, rgba(211, 47, 47, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }

        .coupon-ribbon {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: var(--nh79-accent-red);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            padding: 0.3rem 0.8rem;
            border-radius: 4px;
            margin-bottom: 1rem;
        }

        .coupon-main .coupon-code {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--nh79-accent-gold);
            letter-spacing: 2px;
            margin-bottom: 0.5rem;
            font-family: 'Be Vietnam Pro', monospace;
            text-shadow: 0 0 30px rgba(255, 215, 0, 0.35);
        }

        .coupon-main .coupon-label {
            color: var(--nh79-text-mint);
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }

        .coupon-btn {
            background: linear-gradient(135deg, var(--nh79-accent-gold) 0%, #FFC107 100%);
            color: #1a1a00;
            font-weight: 800;
            padding: 0.7rem 1.6rem;
            border-radius: 10px;
            font-size: 0.9rem;
            border: none;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .coupon-btn:hover {
            background: var(--nh79-accent-gold-soft);
            color: #1a1a00;
            box-shadow: 0 6px 22px rgba(255, 215, 0, 0.45);
            transform: translateY(-1px);
        }

        .coupon-sub-cards {
            display: flex;
            gap: 0.8rem;
            margin-top: 1rem;
            flex-wrap: wrap;
        }

        .coupon-mini {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--nh79-border-soft);
            border-radius: 10px;
            padding: 0.7rem 1.1rem;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--nh79-text-mint);
            font-size: 0.8rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--nh79-transition);
        }

        .coupon-mini:hover {
            border-color: var(--nh79-border-gold);
            background: rgba(255, 215, 0, 0.07);
            color: var(--nh79-accent-gold);
        }

        .coupon-mini i {
            color: var(--nh79-accent-gold);
        }

        /* ========== MAIN CONTENT ========== */
        .main-content {
            padding: 4rem 0;
            position: relative;
        }

        .main-content::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(7, 31, 19, 0.3);
            pointer-events: none;
        }

        /* Section Title */
        .section-title-wrap {
            margin-bottom: 2.5rem;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--nh79-accent-gold);
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            margin-bottom: 0.6rem;
        }

        .section-label i {
            font-size: 0.85rem;
        }

        .section-title {
            font-size: clamp(1.5rem, 3.5vw, 2.1rem);
            font-weight: 800;
            color: var(--nh79-text-white);
            line-height: 1.3;
            letter-spacing: -0.3px;
            margin-bottom: 0;
        }

        .section-desc {
            color: var(--nh79-text-muted);
            font-size: 0.975rem;
            line-height: 1.7;
            max-width: 700px;
            margin-top: 0.75rem;
        }

        /* Download Steps */
        .download-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.25rem;
            margin-bottom: 2rem;
        }

        .step-card {
            background: var(--nh79-bg-card);
            border: 1px solid var(--nh79-border-soft);
            border-radius: var(--nh79-radius-md);
            padding: 1.6rem 1.5rem;
            position: relative;
            transition: var(--nh79-transition);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
            height: 100%;
        }

        .step-card:hover {
            border-color: var(--nh79-border-gold);
            background: var(--nh79-bg-card-hover);
            box-shadow: var(--nh79-shadow-gold-lg);
            transform: translateY(-3px);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--nh79-accent-gold), #FFC107);
            color: #1a1a00;
            font-weight: 900;
            font-size: 1.15rem;
            border-radius: 10px;
            margin-bottom: 1rem;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.3);
        }

        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--nh79-text-white);
            margin-bottom: 0.6rem;
        }

        .step-card p {
            color: var(--nh79-text-muted);
            font-size: 0.875rem;
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* Device Card */
        .device-section {
            margin-bottom: 3.5rem;
        }

        .device-tabs {
            display: flex;
            gap: 0;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid var(--nh79-border-soft);
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .device-tabs::-webkit-scrollbar {
            display: none;
        }

        .device-tab {
            padding: 0.8rem 1.6rem;
            background: transparent;
            border: none;
            color: var(--nh79-text-muted);
            font-weight: 600;
            font-size: 0.9rem;
            border-bottom: 3px solid transparent;
            transition: var(--nh79-transition);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .device-tab:hover {
            color: var(--nh79-text-white);
        }

        .device-tab.active {
            color: var(--nh79-accent-gold);
            border-bottom-color: var(--nh79-accent-gold);
        }

        .device-tab i {
            font-size: 1.1rem;
        }

        .device-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            align-items: start;
        }

        .device-info {
            background: var(--nh79-bg-card);
            border: 1px solid var(--nh79-border-soft);
            border-radius: var(--nh79-radius-md);
            padding: 1.8rem;
        }

        .device-info h3 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--nh79-text-white);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .device-info h3 i {
            color: var(--nh79-accent-gold);
        }

        .device-info ul {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
        }

        .device-info ul li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: var(--nh79-text-mint);
            font-size: 0.875rem;
            margin-bottom: 0.7rem;
            line-height: 1.6;
        }

        .device-info ul li i {
            color: var(--nh79-accent-gold);
            font-size: 0.85rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .device-qr {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
            background: var(--nh79-bg-card);
            border: 1px solid var(--nh79-border-soft);
            border-radius: var(--nh79-radius-md);
            padding: 1.8rem;
            text-align: center;
        }

        .device-qr .qr-box {
            width: 140px;
            height: 140px;
            background: #fff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            overflow: hidden;
        }

        .device-qr .qr-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .device-qr p {
            color: var(--nh79-text-muted);
            font-size: 0.82rem;
            margin: 0;
        }

        /* Benefits */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1rem;
            margin-bottom: 3rem;
        }

        .benefit-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 1.1rem 1.25rem;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 10px;
            border: 1px solid var(--nh79-border-soft);
            transition: var(--nh79-transition);
        }

        .benefit-item:hover {
            border-color: var(--nh79-border-gold);
            background: rgba(255, 215, 0, 0.05);
        }

        .benefit-item i {
            color: var(--nh79-accent-gold);
            font-size: 1.1rem;
            margin-top: 2px;
            flex-shrink: 0;
        }

        .benefit-item span {
            color: var(--nh79-text-mint);
            font-size: 0.85rem;
            font-weight: 500;
            line-height: 1.5;
        }

        /* FAQ */
        .faq-section {
            margin-bottom: 3rem;
        }

        .accordion-item {
            background: var(--nh79-bg-card);
            border: 1px solid var(--nh79-border-soft);
            border-radius: 10px !important;
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: var(--nh79-transition);
        }

        .accordion-item:hover {
            border-color: var(--nh79-border-gold);
        }

        .accordion-button {
            background: var(--nh79-bg-card);
            color: var(--nh79-text-white);
            font-weight: 600;
            font-size: 0.925rem;
            padding: 1.2rem 1.4rem;
            border-radius: 10px !important;
            transition: var(--nh79-transition);
        }

        .accordion-button:not(.collapsed) {
            background: var(--nh79-bg-card-hover);
            color: var(--nh79-accent-gold);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
            border-color: var(--nh79-border-gold);
        }

        .accordion-button::after {
            filter: invert(0.8) sepia(0.6) saturate(3) hue-rotate(10deg);
        }

        .accordion-body {
            background: var(--nh79-bg-card);
            color: var(--nh79-text-muted);
            font-size: 0.875rem;
            line-height: 1.7;
            padding: 1.2rem 1.4rem;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #0F3320 0%, #123E25 50%, #0d3a24 100%);
            border: 1px solid var(--nh79-border-gold);
            border-radius: var(--nh79-radius-lg);
            padding: 2.5rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--nh79-shadow-gold-lg);
            margin-bottom: 2rem;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: clamp(1.4rem, 3vw, 1.8rem);
            font-weight: 900;
            color: var(--nh79-text-white);
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 2;
        }

        .cta-section p {
            color: var(--nh79-text-mint);
            font-size: 0.95rem;
            max-width: 550px;
            margin: 0 auto 1.5rem;
            line-height: 1.65;
            position: relative;
            z-index: 2;
        }

        .cta-section .btn-hero-primary {
            position: relative;
            z-index: 2;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--nh79-primary-deep);
            border-top: 1px solid var(--nh79-border-soft);
            padding: 3.5rem 0 2rem;
            color: var(--nh79-text-muted);
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--nh79-accent-gold);
            margin-bottom: 0.8rem;
            letter-spacing: 0.5px;
        }

        .site-footer p {
            font-size: 0.875rem;
            line-height: 1.65;
            color: var(--nh79-text-muted);
        }

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

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

        .footer-links a {
            color: var(--nh79-text-muted);
            font-size: 0.875rem;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            transition: var(--nh79-transition);
        }

        .footer-links a:hover {
            color: var(--nh79-accent-gold);
            transform: translateX(3px);
        }

        .footer-links a i {
            font-size: 0.7rem;
            color: var(--nh79-accent-gold);
        }

        .text-gold {
            color: var(--nh79-accent-gold) !important;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .trust-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--nh79-border-soft);
            border-radius: 6px;
            padding: 0.4rem 0.8rem;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--nh79-text-mint);
            transition: var(--nh79-transition);
            margin-bottom: 0.35rem;
        }

        .trust-badge:hover {
            border-color: var(--nh79-border-gold);
            background: rgba(255, 215, 0, 0.06);
            color: var(--nh79-accent-gold);
        }

        .trust-badge i {
            color: var(--nh79-accent-gold);
        }

        .trust-badges {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
            margin-bottom: 1.2rem;
        }

        .copyright {
            font-size: 0.8rem;
            color: var(--nh79-text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.2rem;
            margin-top: 0.5rem;
        }

        /* ========== FAB ========== */
        .fab-floating {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1060;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1a1a00 0%, #0d0d00 100%);
            border: 3px solid var(--nh79-accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.7;
            animation: fab-breathe 3s ease-in-out infinite;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--nh79-transition);
            text-decoration: none;
        }

        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.45);
        }

        .fab-floating:active {
            transform: scale(0.94);
        }

        .fab-floating i {
            color: var(--nh79-accent-gold);
            font-size: 1.4rem;
            transition: transform 0.5s ease;
        }

        .fab-floating:hover i {
            transform: rotate(360deg);
        }

        .fab-notification {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border: 2px solid #fff;
            border-radius: 50%;
            animation: fab-dot 1.5s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.7; }
            50% { opacity: 0.9; }
        }

        @keyframes fab-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.7); }
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .container {
                max-width: 100%;
            }

            .coupon-main {
                margin-left: 0;
                margin-top: 1.5rem;
            }

            .device-panel {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .hero-coupon {
                padding: 3rem 0 4rem;
            }

            .hero-coupon h1 {
                font-size: 1.7rem;
            }

            .hero-stats {
                gap: 0.8rem;
            }

            .hero-stat-item {
                font-size: 0.78rem;
            }

            .coupon-main {
                padding: 1.5rem;
            }

            .coupon-main .coupon-code {
                font-size: 1.6rem;
                letter-spacing: 1px;
            }

            .download-steps {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .benefits-grid {
                grid-template-columns: 1fr;
            }

            .cta-section {
                padding: 2rem 1.3rem;
            }

            .fab-floating {
                width: 48px;
                height: 48px;
                left: 0.75rem;
                bottom: 5rem;
            }

            .fab-floating i {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }

            .hero-coupon h1 {
                font-size: 1.45rem;
            }

            .hero-actions {
                flex-direction: column;
            }

            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                justify-content: center;
                padding: 0.8rem 1.2rem;
                font-size: 0.9rem;
            }

            .coupon-sub-cards {
                flex-direction: column;
            }

            .coupon-mini {
                justify-content: center;
            }

            .device-tab {
                padding: 0.7rem 1.1rem;
                font-size: 0.82rem;
            }

            .device-info,
            .device-qr {
                padding: 1.3rem;
            }

            .step-card {
                padding: 1.3rem 1.2rem;
            }

            .step-number {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }

            .section-title {
                font-size: 1.35rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #0A2E1C;
            --bg-forest: #123E25;
            --bg-card: rgba(18, 62, 37, 0.72);
            --accent-gold: #FFD700;
            --accent-gold-soft: #F0C94D;
            --accent-red: #D32F2F;
            --accent-red-dark: #A62222;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A8C8B8;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-gold-strong: rgba(255, 215, 0, 0.65);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-gold: 0 8px 32px rgba(255, 215, 0, 0.12);
            --shadow-gold-hover: 0 14px 48px rgba(255, 215, 0, 0.22);
            --font-main: 'Segoe UI', 'Roboto', 'Inter', 'Helvetica Neue', Arial, sans-serif;
            --spacing-section: 80px;
            --spacing-card-gap: 24px;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.65;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent-gold-soft);
            text-decoration: none;
        }
        a:focus, button:focus, input:focus, textarea:focus, select:focus {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: inherit;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
            color: var(--text-white);
        }
        h1 {
            font-size: clamp(1.9rem, 4.5vw, 2.9rem);
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: clamp(1.4rem, 3.2vw, 1.9rem);
            margin-bottom: 16px;
        }
        h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }
        p {
            color: var(--text-mint);
            margin-bottom: 16px;
        }
        .lead {
            font-size: 1.08rem;
            color: var(--text-mint);
            font-weight: 400;
        }
        .text-gold {
            color: var(--accent-gold) !important;
        }
        .text-mint {
            color: var(--text-mint) !important;
        }
        .text-muted-custom {
            color: var(--text-muted) !important;
        }
        .bg-gradient-hero {
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 40%, #0E3320 100%);
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold);
            padding: 12px 0;
            transition: var(--transition-base);
        }
        .site-header .navbar {
            padding: 0;
        }
        .navbar-brand {
            font-size: 1.45rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .navbar-brand:hover {
            color: var(--accent-gold-soft);
        }
        .navbar-brand i {
            font-size: 1.6rem;
        }
        .navbar-dark .navbar-nav .nav-link {
            color: var(--text-mint);
            font-weight: 500;
            padding: 10px 16px;
            border-radius: 50px;
            transition: var(--transition-base);
            position: relative;
        }
        .navbar-dark .navbar-nav .nav-link:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        .navbar-dark .navbar-nav .nav-link.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.14);
            font-weight: 600;
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold), #E6AC00);
            color: #111;
            font-weight: 700;
            border: none;
            border-radius: 50px;
            padding: 10px 22px;
            transition: var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.25);
            white-space: nowrap;
        }
        .btn-gold:hover {
            background: linear-gradient(135deg, #FFE044, #F0C94D);
            color: #000;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.4);
        }
        .btn-outline-light {
            border-radius: 50px;
            padding: 10px 20px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: var(--text-white);
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }
        .btn-outline-gold {
            border: 1px solid var(--border-gold-strong);
            color: var(--accent-gold);
            background: transparent;
            border-radius: 50px;
            padding: 10px 22px;
            font-weight: 600;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-outline-gold:hover {
            background: rgba(255, 215, 0, 0.12);
            border-color: var(--accent-gold);
            color: var(--accent-gold-soft);
        }

        /* Hero */
        .hero-section {
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 35%, #0E3320 100%);
            padding: 70px 0 80px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.09) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(210, 47, 47, 0.1) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-badge-stack {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .hero-badge {
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 7px 16px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hero-badge.red {
            background: rgba(210, 47, 47, 0.18);
            border-color: rgba(210, 47, 47, 0.45);
            color: #FF6B6B;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 28px;
        }
        .hero-side-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            box-shadow: var(--shadow-gold-hover);
            position: relative;
        }
        .hero-side-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
        }
        .hero-side-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(10, 46, 28, 0.6) 100%);
            border-radius: var(--radius-lg);
            pointer-events: none;
        }

        /* Section base */
        .section-block {
            padding: var(--spacing-section) 0;
        }
        .section-block.alt-bg {
            background: linear-gradient(180deg, #0A2E1C 0%, #0F3824 50%, #0A2E1C 100%);
        }
        .section-block.dark-bg {
            background: #0B331F;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-gold);
            margin-bottom: 12px;
            border-left: 3px solid var(--accent-gold);
            padding-left: 10px;
        }
        .section-title {
            font-size: clamp(1.5rem, 3.4vw, 2rem);
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.015em;
        }
        .section-desc {
            max-width: 680px;
            font-size: 1.02rem;
            color: var(--text-mint);
            margin-bottom: 32px;
        }

        /* Metric Dashboard */
        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            text-align: left;
            transition: var(--transition-base);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
            height: 100%;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-gold-hover);
            transform: translateY(-3px);
            border-color: var(--border-gold-strong);
        }
        .metric-value {
            font-size: 2.3rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.15;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .metric-value i {
            font-size: 1.5rem;
            color: var(--accent-gold-soft);
        }
        .metric-label {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-mint);
            margin-bottom: 4px;
        }
        .metric-note {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* Strategy Matrix */
        .strategy-item {
            display: flex;
            gap: 18px;
            padding: 24px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            align-items: flex-start;
        }
        .strategy-item:last-child {
            border-bottom: none;
        }
        .strategy-icon {
            flex: 0 0 54px;
            width: 54px;
            height: 54px;
            border-radius: 14px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-gold);
            transition: var(--transition-base);
        }
        .strategy-item:hover .strategy-icon {
            background: rgba(255, 215, 0, 0.22);
            transform: scale(1.06);
        }
        .strategy-content h3 {
            margin-bottom: 6px;
        }
        .strategy-content p {
            margin-bottom: 0;
            font-size: 0.95rem;
        }

        /* Result Comparison */
        .comparison-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            height: 100%;
            transition: var(--transition-base);
        }
        .comparison-card.highlight {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-gold);
            background: rgba(255, 215, 0, 0.07);
        }
        .comparison-card .status-icon {
            font-size: 2rem;
            margin-bottom: 14px;
            display: block;
        }
        .comparison-card h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
        }
        .comparison-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .comparison-card ul li {
            padding: 8px 0;
            color: var(--text-mint);
            font-size: 0.93rem;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .comparison-card ul li i {
            color: var(--accent-gold);
            margin-top: 4px;
            font-size: 0.85rem;
        }
        .comparison-card ul li i.fa-xmark {
            color: #FF6B6B;
        }

        /* FAQ */
        .accordion-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .accordion-item:hover {
            border-color: var(--border-gold);
        }
        .accordion-button {
            background: transparent !important;
            color: var(--text-white) !important;
            font-weight: 600;
            padding: 18px 22px;
            font-size: 0.98rem;
            box-shadow: none !important;
            border-radius: var(--radius-md) !important;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(255, 215, 0, 0.08) !important;
            color: var(--accent-gold) !important;
        }
        .accordion-button::after {
            filter: invert(70%) sepia(60%) saturate(400%) hue-rotate(350deg);
        }
        .accordion-body {
            color: var(--text-mint);
            padding: 4px 22px 20px;
            font-size: 0.93rem;
        }

        /* CTA Form */
        .cta-block {
            background: linear-gradient(135deg, #123E25 0%, #0C3320 50%, #0B2D1C 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 44px 36px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-gold);
        }
        .cta-block::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 65%);
            border-radius: 50%;
        }
        .form-control {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--text-white);
            border-radius: 12px;
            padding: 13px 18px;
            transition: var(--transition-base);
        }
        .form-control::placeholder {
            color: var(--text-muted);
        }
        .form-control:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.18);
            color: var(--text-white);
            outline: none;
        }
        .form-label {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.88rem;
            margin-bottom: 6px;
        }

        /* FAB */
        .fab-float {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 950;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1A1A 0%, #0A2E1C 100%);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            transition: var(--transition-base);
            animation: fab-float 3s ease-in-out infinite;
            cursor: pointer;
        }
        .fab-float:hover {
            opacity: 1;
            transform: scale(1.1) rotate(360deg);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
        }
        .fab-float:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: fab-blink 1.6s ease-in-out infinite;
        }
        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* Articles area */
        .article-mini-card {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            padding: 18px;
            transition: var(--transition-base);
            height: 100%;
            align-items: flex-start;
        }
        .article-mini-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }
        .article-mini-card img {
            width: 76px;
            height: 76px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
        }
        .article-mini-card h4 {
            font-size: 0.95rem;
            margin-bottom: 6px;
            line-height: 1.35;
        }
        .article-mini-card p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* Footer */
        .site-footer {
            background: #082216;
            border-top: 1px solid var(--border-gold);
            padding: 50px 0 30px;
            color: var(--text-mint);
        }
        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-mint);
            font-size: 0.92rem;
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        .trust-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            padding: 8px 16px;
            font-size: 0.8rem;
            color: var(--text-mint);
            font-weight: 500;
            gap: 6px;
        }
        .trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .copyright {
            margin-top: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

        /* Responsive */
        @media (max-width: 991px) {
            .navbar-collapse {
                background: rgba(10, 46, 28, 0.98);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 10px;
                border: 1px solid var(--border-gold);
            }
            .navbar-nav .nav-link {
                padding: 10px 14px !important;
            }
            .navbar .d-flex.align-items-center {
                margin-top: 10px;
                gap: 8px;
            }
            .hero-section {
                padding: 50px 0 60px;
            }
            .section-block {
                padding: 56px 0;
            }
            .cta-block {
                padding: 32px 24px;
            }
            .hero-side-image {
                margin-top: 28px;
                max-height: 260px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
                --spacing-card-gap: 16px;
            }
            .metric-value {
                font-size: 1.8rem;
            }
            .strategy-item {
                flex-direction: column;
                gap: 12px;
            }
            .strategy-icon {
                width: 46px;
                height: 46px;
                font-size: 1.1rem;
                border-radius: 12px;
                flex: 0 0 46px;
            }
            .article-mini-card {
                flex-direction: column;
                gap: 12px;
                text-align: left;
            }
            .article-mini-card img {
                width: 100%;
                height: 140px;
            }
            .cta-block {
                border-radius: var(--radius-md);
            }
            .fab-float {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 84px;
                font-size: 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .navbar-brand {
                font-size: 1.15rem;
            }
            .hero-badge-stack {
                gap: 6px;
            }
            .hero-badge {
                font-size: 0.72rem;
                padding: 6px 12px;
            }
            .btn-gold, .btn-outline-light, .btn-outline-gold {
                padding: 9px 16px;
                font-size: 0.85rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .metric-card {
                padding: 18px 16px;
            }
            .comparison-card {
                padding: 20px 16px;
            }
            .accordion-button {
                padding: 14px 16px;
                font-size: 0.88rem;
            }
            .accordion-body {
                padding: 2px 16px 16px;
            }
        }

/* roulang page: category2 */
/* ============ CSS VARIABLES & DESIGN TOKENS ============ */
        :root {
            --clr-primary-deep: #0A2E1C;
            --clr-primary: #123E25;
            --clr-primary-light: #1B5733;
            --clr-primary-mist: #D1F2EB;
            --clr-accent-gold: #FFD700;
            --clr-accent-gold-soft: #F0C75E;
            --clr-accent-red: #D32F2F;
            --clr-accent-red-dark: #B71C1C;
            --clr-white: #FFFFFF;
            --clr-text-body: #E8F0ED;
            --clr-text-muted: #A9C4BA;
            --clr-text-dark: #17231E;
            --clr-border-gold: rgba(255, 215, 0, 0.35);
            --clr-border-mist: rgba(209, 242, 235, 0.18);
            --clr-bg-card: rgba(18, 62, 37, 0.75);
            --clr-bg-card-hover: rgba(27, 87, 51, 0.88);
            --clr-bg-dark-panel: rgba(5, 22, 13, 0.92);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 36px;
            --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.18);
            --shadow-gold-hover: 0 8px 32px rgba(255, 215, 0, 0.30);
            --transition-fast: 0.18s ease;
            --transition-med: 0.28s ease;
            --transition-slow: 0.42s cubic-bezier(0.22, 0.61, 0.36, 1);
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-heading: 'Segoe UI', 'Tahoma', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --section-gap: 3.5rem;
            --card-pad: 1.5rem;
            --nav-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 1rem;
            line-height: 1.6;
            color: var(--clr-text-body);
            background: var(--clr-primary-deep);
            background-image: radial-gradient(ellipse at top left, rgba(27, 87, 51, 0.55), transparent 55%),
                              radial-gradient(ellipse at bottom right, rgba(10, 46, 28, 0.85), transparent 50%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: var(--clr-accent-gold);
            transition: color var(--transition-fast);
        }

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

        a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 3px solid rgba(255, 215, 0, 0.55);
            outline-offset: 2px;
            border-radius: 6px;
        }

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            color: var(--clr-white);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: clamp(1.9rem, 4vw, 2.8rem);
            font-weight: 800;
        }

        h2 {
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            margin-bottom: 1rem;
            font-weight: 700;
        }

        h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.6rem;
        }

        p {
            margin-bottom: 1rem;
            color: var(--clr-text-body);
        }

        .text-muted-soft {
            color: var(--clr-text-muted) !important;
        }

        .text-gold {
            color: var(--clr-accent-gold) !important;
        }

        .text-mint {
            color: var(--clr-primary-mist) !important;
        }

        .fw-bold { font-weight: 700; }
        .fw-semibold { font-weight: 600; }

        .section-pad {
            padding: var(--section-gap) 0;
        }

        /* ============ CONTAINER ============ */
        .container {
            max-width: var(--container-max);
            padding-left: 1rem;
            padding-right: 1rem;
        }

        /* ============ HEADER / NAVBAR ============ */
        .site-header {
            background: rgba(10, 46, 28, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--clr-border-gold);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
        }

        .navbar {
            min-height: var(--nav-height);
            padding-top: 0.6rem;
            padding-bottom: 0.6rem;
        }

        .navbar-brand {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--clr-accent-gold) !important;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: color var(--transition-fast);
        }

        .navbar-brand:hover {
            color: var(--clr-accent-gold-soft) !important;
        }

        .navbar-brand .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #FFD700 0%, #C5A059 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #0A2E1C;
            font-weight: 900;
            box-shadow: 0 0 18px rgba(255, 215, 0, 0.35);
            flex-shrink: 0;
        }

        .navbar-nav {
            gap: 0.35rem;
        }

        .navbar-nav .nav-link {
            color: var(--clr-text-muted) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.65rem 1.05rem !important;
            border-radius: 30px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--clr-accent-gold) !important;
            background: rgba(255, 215, 0, 0.08);
        }

        .navbar-nav .nav-link.active {
            color: var(--clr-accent-gold) !important;
            background: rgba(255, 215, 0, 0.14);
            box-shadow: inset 0 0 0 1px rgba(255, 215, 0, 0.3);
            font-weight: 600;
        }

        .btn {
            border-radius: 30px;
            padding: 0.55rem 1.35rem;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.01em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn:focus-visible {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.5);
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.45);
            color: #fff;
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-gold {
            background: linear-gradient(135deg, #FFD700 0%, #F0A500 55%, #D4880F 100%);
            color: #0A2E1C;
            font-weight: 700;
            border: none;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, #FFE44D 0%, #FFB700 55%, #E69900 100%);
            color: #0A2E1C;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.42);
        }

        .btn-gold:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.3);
        }

        .btn-danger-accent {
            background: linear-gradient(135deg, #D32F2F 0%, #B71C1C 100%);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(211, 47, 47, 0.35);
        }

        .btn-danger-accent:hover {
            background: linear-gradient(135deg, #E53935 0%, #C62828 100%);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(211, 47, 47, 0.45);
        }

        .btn-lg-custom {
            padding: 0.8rem 2rem;
            font-size: 1rem;
            border-radius: 36px;
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 0.4rem 0.55rem;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.3);
            border-color: var(--clr-accent-gold);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 215, 0, 0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .navbar-actions-mobile {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-right: 0.5rem;
        }

        .navbar-actions-mobile .btn {
            padding: 0.4rem 0.85rem;
            font-size: 0.8rem;
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(10, 46, 28, 0.98);
                border-radius: var(--radius-md);
                padding: 1rem;
                margin-top: 0.6rem;
                border: 1px solid var(--clr-border-gold);
                box-shadow: var(--shadow-md);
            }
            .navbar-nav .nav-link {
                padding: 0.7rem 1rem !important;
            }
            .navbar-brand {
                font-size: 1.2rem;
            }
            .navbar-brand .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-brand {
                font-size: 1.05rem;
            }
            .navbar-brand .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
            .navbar-actions-mobile .btn {
                padding: 0.35rem 0.7rem;
                font-size: 0.72rem;
                border-radius: 20px;
            }
        }

        /* ============ HERO SECTION ============ */
        .hero-category {
            position: relative;
            padding: 4rem 0 3.5rem;
            background: linear-gradient(165deg, rgba(10, 46, 28, 0.92) 0%, rgba(18, 62, 37, 0.88) 40%, rgba(5, 22, 13, 0.95) 100%);
            border-bottom: 1px solid var(--clr-border-gold);
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
            pointer-events: none;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.14) 0%, transparent 65%);
            border-radius: 50%;
            z-index: 0;
            pointer-events: none;
        }

        .hero-category .container {
            position: relative;
            z-index: 1;
        }

        .hero-tagline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 215, 0, 0.13);
            border: 1px solid rgba(255, 215, 0, 0.35);
            color: var(--clr-accent-gold);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 0.4rem 1rem;
            border-radius: 30px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 1.2rem;
        }

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

        .hero-category h1 {
            color: var(--clr-white);
            margin-bottom: 1.1rem;
            max-width: 680px;
        }

        .hero-category .hero-subtitle {
            font-size: 1.08rem;
            color: var(--clr-primary-mist);
            max-width: 620px;
            line-height: 1.65;
            margin-bottom: 1.8rem;
            opacity: 0.92;
        }

        .hero-cover-wrap {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-gold);
            border-radius: var(--radius-lg);
            padding: 1.2rem;
            box-shadow: var(--shadow-gold);
            position: relative;
            overflow: hidden;
            transition: transform var(--transition-med), box-shadow var(--transition-med);
        }

        .hero-cover-wrap:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold-hover);
        }

        .hero-cover-wrap img {
            border-radius: var(--radius-md);
            width: 100%;
            height: auto;
            object-fit: cover;
            border: 2px solid rgba(255, 215, 0, 0.2);
        }

        .hero-cover-badge {
            position: absolute;
            top: 24px;
            right: 24px;
            background: var(--clr-accent-red);
            color: #fff;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 0.35rem 0.85rem;
            border-radius: 20px;
            letter-spacing: 0.03em;
            box-shadow: 0 4px 12px rgba(211, 47, 47, 0.4);
            z-index: 2;
        }

        .hero-summary-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1.6rem 0;
        }

        .hero-summary-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.7rem;
            padding: 0.55rem 0;
            color: var(--clr-text-body);
            font-size: 0.97rem;
            border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
        }

        .hero-summary-list li:last-child {
            border-bottom: none;
        }

        .hero-summary-list li i {
            color: var(--clr-accent-gold);
            font-size: 1rem;
            margin-top: 0.2rem;
            flex-shrink: 0;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            align-items: center;
        }

        .hero-cta-group .btn {
            flex-shrink: 0;
        }

        .hero-stats-mini {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            margin-top: 1.6rem;
            padding-top: 1.2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-stat-mini-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-mini-item .stat-num {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--clr-accent-gold);
            line-height: 1.2;
        }

        .hero-stat-mini-item .stat-label {
            font-size: 0.78rem;
            color: var(--clr-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        @media (max-width: 767.98px) {
            .hero-category {
                padding: 2.5rem 0 2.5rem;
            }
            .hero-cover-wrap {
                margin-top: 1.5rem;
            }
            .hero-category h1 {
                font-size: 1.7rem;
            }
            .hero-category .hero-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ============ SECTION HEADINGS ============ */
        .section-header {
            margin-bottom: 2rem;
        }

        .section-header .section-eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--clr-accent-gold);
            margin-bottom: 0.4rem;
        }

        .section-header h2 {
            margin-bottom: 0.6rem;
        }

        .section-header .section-lead {
            font-size: 1rem;
            color: var(--clr-text-muted);
            max-width: 720px;
            margin-bottom: 0;
        }

        /* ============ METRIC DASHBOARD ============ */
        .metric-panel {
            background: var(--clr-bg-dark-panel);
            border: 1px solid var(--clr-border-mist);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1.2rem;
        }

        .metric-block {
            text-align: left;
            flex: 1;
            min-width: 130px;
        }

        .metric-block .metric-icon {
            width: 44px;
            height: 44px;
            background: rgba(255, 215, 0, 0.12);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: var(--clr-accent-gold);
            margin-bottom: 0.7rem;
        }

        .metric-block .metric-num {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--clr-white);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .metric-block .metric-label {
            font-size: 0.82rem;
            color: var(--clr-text-muted);
            letter-spacing: 0.03em;
            text-transform: uppercase;
            margin-top: 0.2rem;
        }

        @media (max-width: 575.98px) {
            .metric-panel {
                padding: 1.2rem 1rem;
                gap: 0.8rem;
            }
            .metric-block {
                min-width: 100px;
                text-align: center;
            }
            .metric-block .metric-icon {
                margin-left: auto;
                margin-right: auto;
            }
            .metric-block .metric-num {
                font-size: 1.3rem;
            }
        }

        /* ============ SERVICES MATRIX / CODE CARDS ============ */
        .code-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-mist);
            border-radius: var(--radius-md);
            padding: var(--card-pad);
            height: 100%;
            transition: all var(--transition-med);
            position: relative;
            overflow: hidden;
        }

        .code-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #FFD700 0%, transparent 80%);
            opacity: 0;
            transition: opacity var(--transition-med);
        }

        .code-card:hover {
            background: var(--clr-bg-card-hover);
            border-color: var(--clr-border-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

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

        .code-card .code-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.14);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: var(--clr-accent-gold);
            font-size: 0.72rem;
            font-weight: 700;
            padding: 0.25rem 0.7rem;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 0.9rem;
        }

        .code-card .code-badge.hot {
            background: rgba(211, 47, 47, 0.18);
            border-color: rgba(211, 47, 47, 0.45);
            color: #FF6B6B;
        }

        .code-card h3 {
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
            color: var(--clr-white);
        }

        .code-card .code-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--clr-accent-gold);
            margin-bottom: 0.6rem;
            letter-spacing: -0.02em;
        }

        .code-card p {
            font-size: 0.9rem;
            color: var(--clr-text-muted);
            margin-bottom: 1.1rem;
            line-height: 1.55;
        }

        .code-card .code-link {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--clr-accent-gold);
            border-bottom: 2px solid transparent;
            transition: all var(--transition-fast);
        }

        .code-card .code-link:hover {
            border-bottom-color: var(--clr-accent-gold);
            color: var(--clr-accent-gold-soft);
            gap: 0.7rem;
        }

        /* ============ COMPARISON TABLE ============ */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .comparison-col {
            border-radius: var(--radius-md);
            padding: 1.6rem;
            border: 1px solid var(--clr-border-mist);
            background: var(--clr-bg-card);
        }

        .comparison-col.before {
            border-left: 4px solid #95A5A6;
            background: rgba(20, 30, 25, 0.7);
        }

        .comparison-col.after {
            border-left: 4px solid var(--clr-accent-gold);
            background: rgba(18, 62, 37, 0.85);
            border-color: var(--clr-border-gold);
        }

        .comparison-col .col-title {
            font-size: 0.95rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .comparison-col.before .col-title {
            color: #BDC3C7;
        }

        .comparison-col.after .col-title {
            color: var(--clr-accent-gold);
        }

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

        .comparison-col ul li {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            padding: 0.5rem 0;
            font-size: 0.9rem;
            color: var(--clr-text-body);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .comparison-col ul li:last-child {
            border-bottom: none;
        }

        .comparison-col ul li i {
            margin-top: 0.2rem;
            flex-shrink: 0;
        }

        .comparison-col.before ul li i {
            color: #95A5A6;
        }

        .comparison-col.after ul li i {
            color: var(--clr-accent-gold);
        }

        @media (max-width: 767.98px) {
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }

        /* ============ STEPS / PROCESS ============ */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.2rem;
        }

        .step-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-mist);
            border-radius: var(--radius-md);
            padding: 1.4rem;
            text-align: left;
            position: relative;
            transition: all var(--transition-med);
        }

        .step-card:hover {
            border-color: var(--clr-border-gold);
            background: var(--clr-bg-card-hover);
            box-shadow: var(--shadow-sm);
        }

        .step-card .step-num {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #FFD700 0%, #F0A500 100%);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 1.1rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 0.9rem;
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.25);
        }

        .step-card h4 {
            font-size: 1rem;
            margin-bottom: 0.4rem;
            color: var(--clr-white);
        }

        .step-card p {
            font-size: 0.85rem;
            margin-bottom: 0;
            color: var(--clr-text-muted);
            line-height: 1.5;
        }

        @media (max-width: 991.98px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575.98px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ FAQ ACCORDION ============ */
        .faq-accordion .accordion-item {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-mist);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 0.7rem;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-accordion .accordion-item:hover {
            border-color: rgba(255, 215, 0, 0.3);
        }

        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--clr-white);
            font-weight: 600;
            font-size: 0.97rem;
            padding: 1.05rem 1.3rem;
            border-radius: var(--radius-sm);
            box-shadow: none;
            transition: all var(--transition-fast);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(255, 215, 0, 0.08);
            color: var(--clr-accent-gold);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
            border-color: transparent;
        }

        .faq-accordion .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23FFD700'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .faq-accordion .accordion-body {
            color: var(--clr-text-muted);
            font-size: 0.9rem;
            line-height: 1.65;
            padding: 0.4rem 1.3rem 1.2rem;
        }

        /* ============ CTA / CONVERSION FORM SECTION ============ */
        .cta-section {
            background: linear-gradient(145deg, rgba(10, 46, 28, 0.95) 0%, rgba(5, 22, 13, 0.98) 100%);
            border: 1px solid var(--clr-border-gold);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            box-shadow: var(--shadow-gold);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            margin-bottom: 0.6rem;
        }

        .cta-section p {
            color: var(--clr-primary-mist);
            font-size: 0.98rem;
            margin-bottom: 1.5rem;
        }

        .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            align-items: center;
        }

        .cta-form .form-control {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--clr-white);
            border-radius: 30px;
            padding: 0.7rem 1.3rem;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            flex: 1;
            min-width: 220px;
        }

        .cta-form .form-control::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .cta-form .form-control:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--clr-accent-gold);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
        }

        .cta-form .btn {
            flex-shrink: 0;
        }

        .cta-note {
            font-size: 0.78rem;
            color: var(--clr-text-muted);
            margin-top: 0.8rem;
            margin-bottom: 0;
        }

        @media (max-width: 575.98px) {
            .cta-section {
                padding: 1.5rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form .form-control {
                min-width: 100%;
            }
        }

        /* ============ FEATURE IMAGE BLOCK ============ */
        .feature-image-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--clr-border-mist);
            background: var(--clr-bg-card);
            box-shadow: var(--shadow-sm);
        }

        .feature-image-card img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            border-bottom: 2px solid var(--clr-border-gold);
        }

        .feature-image-card .card-body-custom {
            padding: 1.2rem 1.5rem;
        }

        .feature-image-card .card-body-custom h4 {
            font-size: 1.05rem;
            margin-bottom: 0.4rem;
        }

        .feature-image-card .card-body-custom p {
            font-size: 0.87rem;
            color: var(--clr-text-muted);
            margin-bottom: 0;
        }

        /* ============ TRUST BADGES ============ */
        .trust-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--clr-text-body);
            font-size: 0.78rem;
            font-weight: 500;
            padding: 0.35rem 0.85rem;
            border-radius: 24px;
            transition: all var(--transition-fast);
        }

        .trust-badge:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: rgba(255, 215, 0, 0.4);
            color: var(--clr-accent-gold);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #05160D;
            border-top: 1px solid var(--clr-border-gold);
            padding: 3rem 0 1.8rem;
            margin-top: 2rem;
        }

        .footer-brand {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--clr-accent-gold);
            margin-bottom: 0.8rem;
            letter-spacing: -0.02em;
        }

        .site-footer p {
            color: var(--clr-text-muted);
            font-size: 0.88rem;
            line-height: 1.65;
        }

        .site-footer h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--clr-accent-gold);
        }

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

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

        .footer-links a {
            color: var(--clr-text-muted);
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
        }

        .footer-links a i {
            color: var(--clr-accent-gold);
            font-size: 0.7rem;
        }

        .footer-links a:hover {
            color: var(--clr-accent-gold);
            transform: translateX(3px);
        }

        .trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            padding-top: 1.2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .copyright {
            margin-top: 1.2rem;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
            padding-top: 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* ============ FAB - Left Floating Action Button ============ */
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1A0E08, #0D0805);
            border: 2px solid #FFD700;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3), inset 0 1px 2px rgba(255, 215, 0, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            color: #FFD700;
            cursor: pointer;
            opacity: 0.7;
            animation: fab-breathe 2.8s ease-in-out infinite;
            transition: all var(--transition-med);
            text-decoration: none;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.45), inset 0 1px 3px rgba(255, 215, 0, 0.3);
            color: #FFE44D;
        }

        .fab-left:active {
            transform: scale(0.95) translateY(2px);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.3);
        }

        .fab-left .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #0D0805;
            animation: fab-blink 1.6s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        @media (max-width: 575.98px) {
            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.15rem;
                bottom: 5rem;
                left: 0.7rem;
            }
        }

        /* ============ RESPONSIVE TWEAKS ============ */
        @media (max-width: 767.98px) {
            :root {
                --section-gap: 2.5rem;
                --card-pad: 1.2rem;
            }
            .section-pad {
                padding: var(--section-gap) 0;
            }
        }

        @media (max-width: 575.98px) {
            :root {
                --section-gap: 2rem;
            }
        }

        /* ============ UTILITY ============ */
        .bg-dark-panel-soft {
            background: rgba(5, 22, 13, 0.6);
            border-radius: var(--radius-md);
        }

        .divider-gold {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.4), transparent);
            margin: 2rem 0;
            border: none;
        }

        .text-balance {
            text-wrap: balance;
        }