/* roulang page: index */
:root {
            --ca3d-primary: #0B3C25;
            --ca3d-primary-dark: #062315;
            --ca3d-accent: #FFCC00;
            --ca3d-accent-soft: #FFF3C4;
            --ca3d-lime: #32CD32;
            --ca3d-text: #1F2937;
            --ca3d-text-soft: #4B5563;
            --ca3d-bg: #F9FAFB;
            --ca3d-white: #FFFFFF;
            --ca3d-border: #E5E7EB;
            --ca3d-radius: 20px;
            --ca3d-radius-sm: 12px;
            --ca3d-shadow: 0 8px 30px rgba(0,0,0,0.08);
            --ca3d-shadow-lg: 0 20px 50px rgba(0,0,0,0.15);
            --ca3d-transition: all 0.25s ease;
            --ca3d-font: 'Inter', 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--ca3d-font);
            background: var(--ca3d-bg);
            color: var(--ca3d-text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--ca3d-transition);
        }
        a:hover {
            color: var(--ca3d-accent);
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container-ca3d {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-pad {
            padding: 80px 0;
        }
        .section-pad-sm {
            padding: 48px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--ca3d-accent-soft);
            color: var(--ca3d-primary-dark);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 40px;
            letter-spacing: 0.3px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--ca3d-primary-dark);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--ca3d-text-soft);
            line-height: 1.65;
            max-width: 720px;
            margin-bottom: 40px;
        }
        .btn-ca3d {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--ca3d-transition);
            text-decoration: none;
            line-height: 1.2;
        }
        .btn-primary-ca3d {
            background: var(--ca3d-accent);
            color: var(--ca3d-primary-dark);
            box-shadow: 0 8px 20px rgba(255,204,0,0.35);
        }
        .btn-primary-ca3d:hover {
            background: #FFD633;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255,204,0,0.5);
            color: var(--ca3d-primary-dark);
        }
        .btn-outline-ca3d {
            background: transparent;
            border: 2px solid var(--ca3d-primary);
            color: var(--ca3d-primary);
        }
        .btn-outline-ca3d:hover {
            background: var(--ca3d-primary);
            color: #fff;
            border-color: var(--ca3d-primary);
            transform: translateY(-2px);
        }
        .btn-white-ca3d {
            background: #fff;
            color: var(--ca3d-primary);
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .btn-white-ca3d:hover {
            background: var(--ca3d-accent-soft);
            color: var(--ca3d-primary-dark);
            transform: translateY(-2px);
        }

        /* Header / Nav */
        .navbar-ca3d {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--ca3d-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--ca3d-transition);
        }
        .navbar-ca3d .container-ca3d {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .navbar-brand-ca3d {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--ca3d-primary-dark);
            white-space: nowrap;
        }
        .navbar-brand-ca3d img {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            object-fit: cover;
        }
        .nav-links-ca3d {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links-ca3d li a {
            display: block;
            padding: 10px 18px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--ca3d-text);
            transition: var(--ca3d-transition);
            white-space: nowrap;
        }
        .nav-links-ca3d li a:hover,
        .nav-links-ca3d li a.active {
            background: var(--ca3d-accent-soft);
            color: var(--ca3d-primary-dark);
        }
        .nav-actions-ca3d {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-login-nav {
            background: transparent;
            border: none;
            color: var(--ca3d-primary-dark);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 8px 16px;
            cursor: pointer;
            transition: var(--ca3d-transition);
            white-space: nowrap;
        }
        .btn-login-nav:hover {
            color: var(--ca3d-accent);
        }
        .btn-signup-nav {
            background: var(--ca3d-primary);
            color: #fff;
            border: none;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 10px 22px;
            border-radius: 40px;
            cursor: pointer;
            transition: var(--ca3d-transition);
            white-space: nowrap;
            box-shadow: 0 4px 12px rgba(11,60,37,0.3);
        }
        .btn-signup-nav:hover {
            background: var(--ca3d-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(11,60,37,0.4);
        }
        .navbar-toggler-ca3d {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--ca3d-primary-dark);
            cursor: pointer;
            padding: 8px;
        }
        @media (max-width: 992px) {
            .nav-links-ca3d {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 20px 24px;
                border-bottom: 1px solid var(--ca3d-border);
                box-shadow: var(--ca3d-shadow);
                gap: 4px;
            }
            .nav-links-ca3d.open {
                display: flex;
            }
            .nav-links-ca3d li a {
                padding: 14px 20px;
                border-radius: 12px;
            }
            .navbar-toggler-ca3d {
                display: block;
            }
            .nav-actions-ca3d .btn-login-nav,
            .nav-actions-ca3d .btn-signup-nav {
                font-size: 0.85rem;
                padding: 8px 14px;
            }
        }

        /* Hero */
        .hero-ca3d {
            position: relative;
            background: var(--ca3d-primary-dark);
            overflow: hidden;
            min-height: 680px;
            display: flex;
            align-items: center;
            padding: 80px 0 100px;
        }
        .hero-ca3d::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(6,35,21,0.85) 0%, rgba(11,60,37,0.7) 50%, rgba(6,35,21,0.9) 100%);
            z-index: 1;
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            z-index: 0;
            opacity: 0.45;
        }
        .hero-content-ca3d {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }
        .hero-text-ca3d {
            flex: 1 1 500px;
        }
        .hero-badge-ca3d {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,204,0,0.15);
            border: 1px solid rgba(255,204,0,0.4);
            color: var(--ca3d-accent);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 18px;
            border-radius: 40px;
            margin-bottom: 20px;
        }
        .hero-title-ca3d {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: -0.03em;
        }
        .hero-title-ca3d .highlight {
            color: var(--ca3d-accent);
        }
        .hero-desc-ca3d {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.85);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 600px;
        }
        .hero-cta-group-ca3d {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 32px;
        }
        .hero-kpi-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
        }
        .hero-kpi-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
        }
        .hero-kpi-item i {
            font-size: 1.6rem;
            color: var(--ca3d-accent);
        }
        .hero-kpi-item strong {
            font-size: 1.5rem;
            font-weight: 800;
            display: block;
            line-height: 1.2;
        }
        .hero-kpi-item span {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.75);
        }
        .hero-visual-ca3d {
            flex: 1 1 360px;
            max-width: 480px;
            position: relative;
            z-index: 2;
        }
        .hero-visual-card {
            background: rgba(255,255,255,0.08);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--ca3d-radius);
            padding: 24px;
            box-shadow: var(--ca3d-shadow-lg);
            position: relative;
            overflow: hidden;
        }
        .hero-visual-card::after {
            content: "";
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255,204,0,0.25), transparent 70%);
            pointer-events: none;
        }
        .hero-visual-card img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            border-radius: 14px;
            margin-bottom: 20px;
        }
        .hero-visual-stats {
            display: flex;
            justify-content: space-between;
            color: #fff;
            gap: 10px;
            flex-wrap: wrap;
        }
        .hero-visual-stat {
            text-align: center;
            flex: 1;
            min-width: 80px;
        }
        .hero-visual-stat strong {
            font-size: 1.4rem;
            color: var(--ca3d-accent);
            display: block;
        }
        .hero-visual-stat span {
            font-size: 0.8rem;
            color: rgba(255,255,255,0.7);
        }
        @media (max-width: 992px) {
            .hero-ca3d {
                padding: 60px 0 80px;
                min-height: auto;
            }
            .hero-title-ca3d {
                font-size: 2.4rem;
            }
            .hero-visual-ca3d {
                max-width: 100%;
            }
            .hero-visual-card img {
                height: 240px;
            }
        }

        /* Reward Preview / Offer Ladder */
        .offer-ladder-section {
            background: var(--ca3d-white);
        }
        .offer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 24px;
        }
        .offer-card {
            background: var(--ca3d-bg);
            border-radius: var(--ca3d-radius);
            padding: 28px 24px;
            border: 1px solid var(--ca3d-border);
            transition: var(--ca3d-transition);
            position: relative;
            overflow: hidden;
        }
        .offer-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--ca3d-shadow-lg);
            border-color: var(--ca3d-accent);
        }
        .offer-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--ca3d-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--ca3d-primary-dark);
            margin-bottom: 18px;
        }
        .offer-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--ca3d-primary-dark);
            margin-bottom: 8px;
        }
        .offer-card p {
            font-size: 0.95rem;
            color: var(--ca3d-text-soft);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .offer-tag {
            display: inline-block;
            background: var(--ca3d-primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        /* Comparison Table */
        .compare-section {
            background: var(--ca3d-primary-dark);
            color: #fff;
        }
        .compare-section .section-title {
            color: #fff;
        }
        .compare-section .section-desc {
            color: rgba(255,255,255,0.75);
        }
        .compare-wrapper {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--ca3d-radius);
            padding: 32px;
            overflow-x: auto;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            font-size: 0.95rem;
        }
        .compare-table th {
            background: rgba(255,204,0,0.15);
            color: var(--ca3d-accent);
            font-weight: 700;
        }
        .compare-table td:first-child {
            font-weight: 600;
            color: #fff;
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }

        /* Security Strip */
        .security-strip {
            background: var(--ca3d-white);
            border-top: 1px solid var(--ca3d-border);
            border-bottom: 1px solid var(--ca3d-border);
            padding: 40px 0;
        }
        .security-items {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
        }
        .security-item {
            display: flex;
            align-items: center;
            gap: 14px;
            color: var(--ca3d-text);
        }
        .security-item i {
            font-size: 2rem;
            color: var(--ca3d-primary);
        }
        .security-item strong {
            font-size: 1.1rem;
            font-weight: 700;
            display: block;
        }
        .security-item span {
            font-size: 0.85rem;
            color: var(--ca3d-text-soft);
        }

        /* News / CMS Section */
        .news-section {
            background: var(--ca3d-bg);
        }
        .news-layout {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }
        .news-main-list {
            flex: 2 1 600px;
        }
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 20px;
            background: #fff;
            border-radius: var(--ca3d-radius-sm);
            margin-bottom: 12px;
            border: 1px solid var(--ca3d-border);
            transition: var(--ca3d-transition);
        }
        .news-list-item:hover {
            border-color: var(--ca3d-accent);
            box-shadow: var(--ca3d-shadow);
            transform: translateX(4px);
        }
        .news-list-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--ca3d-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--ca3d-primary-dark);
            flex-shrink: 0;
        }
        .news-list-content {
            flex: 1;
        }
        .news-list-content a {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--ca3d-primary-dark);
            display: block;
            margin-bottom: 4px;
        }
        .news-list-content a:hover {
            color: var(--ca3d-accent);
        }
        .news-list-meta {
            font-size: 0.8rem;
            color: var(--ca3d-text-soft);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .news-sidebar {
            flex: 1 1 280px;
            max-width: 340px;
        }
        .news-sidebar-card {
            background: #fff;
            border-radius: var(--ca3d-radius);
            padding: 28px 24px;
            border: 1px solid var(--ca3d-border);
            margin-bottom: 20px;
        }
        .news-sidebar-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--ca3d-primary-dark);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .news-sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-sidebar-card ul li {
            padding: 10px 0;
            border-bottom: 1px solid var(--ca3d-border);
            font-size: 0.95rem;
        }
        .news-sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .news-sidebar-card ul li a {
            color: var(--ca3d-text);
            font-weight: 500;
        }
        .news-sidebar-card ul li a:hover {
            color: var(--ca3d-primary);
        }

        /* Flash Entry / Hot List */
        .flash-entry-section {
            background: linear-gradient(135deg, #FFCC00 0%, #FF9F00 100%);
            position: relative;
            overflow: hidden;
        }
        .flash-entry-section::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,255,255,0.3), transparent 70%);
            border-radius: 50%;
        }
        .flash-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .flash-text {
            flex: 1 1 400px;
        }
        .flash-text .section-title {
            color: var(--ca3d-primary-dark);
        }
        .flash-text .section-desc {
            color: rgba(6,35,21,0.8);
        }
        .flash-visual {
            flex: 1 1 300px;
            max-width: 400px;
        }
        .flash-visual img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            border-radius: var(--ca3d-radius);
            box-shadow: var(--ca3d-shadow-lg);
            border: 4px solid rgba(255,255,255,0.5);
        }

        /* Social Proof */
        .social-proof-section {
            background: var(--ca3d-white);
        }
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }
        .proof-item {
            text-align: left;
            padding: 28px 24px;
            background: var(--ca3d-bg);
            border-radius: var(--ca3d-radius);
            border: 1px solid var(--ca3d-border);
            transition: var(--ca3d-transition);
        }
        .proof-item:hover {
            border-color: var(--ca3d-accent);
            transform: translateY(-4px);
            box-shadow: var(--ca3d-shadow);
        }
        .proof-item i {
            font-size: 2rem;
            color: var(--ca3d-primary);
            margin-bottom: 14px;
        }
        .proof-item strong {
            font-size: 2rem;
            font-weight: 800;
            color: var(--ca3d-primary-dark);
            display: block;
            margin-bottom: 4px;
        }
        .proof-item span {
            font-size: 0.95rem;
            color: var(--ca3d-text-soft);
        }

        /* FAQ */
        .faq-section {
            background: var(--ca3d-bg);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--ca3d-radius-sm);
            border: 1px solid var(--ca3d-border);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--ca3d-transition);
        }
        .faq-item:hover {
            border-color: var(--ca3d-accent);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--ca3d-primary-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            text-align: left;
            gap: 20px;
        }
        .faq-question i {
            transition: var(--ca3d-transition);
            font-size: 1.2rem;
            color: var(--ca3d-primary);
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--ca3d-text-soft);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        /* Footer */
        .footer-ca3d {
            background: var(--ca3d-primary-dark);
            color: rgba(255,255,255,0.8);
            padding: 60px 0 20px;
        }
        .footer-top {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            flex: 2 1 300px;
        }
        .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.6);
            max-width: 320px;
        }
        .footer-links {
            flex: 1 1 150px;
        }
        .footer-links h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ca3d-accent);
            margin-bottom: 16px;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links ul li {
            margin-bottom: 10px;
        }
        .footer-links ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
            transition: var(--ca3d-transition);
        }
        .footer-links ul li a:hover {
            color: var(--ca3d-accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.6);
        }
        .footer-bottom a:hover {
            color: var(--ca3d-accent);
        }

        /* Floating Action Button */
        .fab-ca3d {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 950;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--ca3d-primary);
            color: #fff;
            border: 2px solid var(--ca3d-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255,204,0,0.35);
            opacity: 0.75;
            animation: fabBreathe 3s infinite ease-in-out;
            transition: var(--ca3d-transition);
        }
        .fab-ca3d:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255,204,0,0.6);
        }
        .fab-ca3d:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border: 2px solid #fff;
            border-radius: 50%;
            animation: fabBlink 1.5s infinite;
        }
        @keyframes fabBreathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes fabBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .container-ca3d {
                padding: 0 16px;
            }
            .navbar-ca3d .container-ca3d {
                height: 64px;
            }
            .nav-links-ca3d {
                top: 64px;
            }
            .hero-title-ca3d {
                font-size: 2rem;
            }
            .hero-desc-ca3d {
                font-size: 1rem;
            }
            .compare-wrapper {
                padding: 20px;
            }
            .footer-top {
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .hero-title-ca3d {
                font-size: 1.7rem;
            }
            .btn-ca3d {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .hero-visual-card img {
                height: 180px;
            }
            .security-items {
                gap: 20px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-deep: #071F13;
            --bg-card: #0E3522;
            --bg-card-hover: #12452C;
            --accent-gold: #FFD700;
            --accent-gold-soft: #FFE066;
            --accent-red: #D32F2F;
            --accent-red-hover: #B71C1C;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A8C9BC;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-card: rgba(255, 215, 0, 0.18);
            --shadow-card: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 6px 20px rgba(255, 215, 0, 0.18);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --font-main: 'Segoe UI', 'Roboto', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-main);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.65;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        .container-ca3d {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* NAVBAR */
        .navbar-ca3d {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(7, 31, 19, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-gold);
            transition: var(--transition);
        }

        .navbar-ca3d .container-ca3d {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
        }

        .navbar-brand-ca3d {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--accent-gold);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .navbar-brand-ca3d img {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }

        .nav-links-ca3d {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links-ca3d li a {
            display: inline-block;
            padding: 10px 18px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-mint);
            border-radius: 30px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links-ca3d li a:hover,
        .nav-links-ca3d li a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-actions-ca3d {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login-nav,
        .btn-signup-nav {
            border: none;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 9px 20px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-login-nav {
            background: transparent;
            color: var(--text-white);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .btn-login-nav:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.05);
        }

        .btn-signup-nav {
            background: linear-gradient(135deg, #FFD700 0%, #FFA000 100%);
            color: #071F13;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }

        .btn-signup-nav:hover {
            background: linear-gradient(135deg, #FFE066 0%, #FFB300 100%);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.4);
        }

        .navbar-toggler-ca3d {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 10px;
            color: var(--text-white);
            font-size: 1.3rem;
            padding: 8px 12px;
            cursor: pointer;
            transition: var(--transition);
        }

        .navbar-toggler-ca3d:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        /* ARTICLE HERO */
        .article-hero-ca3d {
            padding: 140px 0 50px;
            background: linear-gradient(180deg, #061B10 0%, var(--bg-primary) 100%);
            border-bottom: 1px solid var(--border-gold);
            position: relative;
            overflow: hidden;
        }

        .article-hero-ca3d::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .article-breadcrumb-ca3d {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 22px;
            flex-wrap: wrap;
        }

        .article-breadcrumb-ca3d a {
            color: var(--accent-gold);
            font-weight: 500;
        }

        .article-breadcrumb-ca3d a:hover {
            color: var(--accent-gold-soft);
            text-decoration: underline;
        }

        .article-breadcrumb-ca3d .separator {
            color: var(--text-muted);
            opacity: 0.6;
        }

        .article-category-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.12);
            color: var(--accent-gold);
            border: 1px solid var(--border-gold);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.4px;
        }

        .article-hero-ca3d h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-white);
            margin-bottom: 18px;
            letter-spacing: -0.5px;
            max-width: 920px;
        }

        .article-meta-ca3d {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .article-meta-ca3d i {
            color: var(--accent-gold);
            margin-right: 6px;
        }

        /* ARTICLE BODY */
        .article-body-wrapper {
            padding: 55px 0 80px;
        }

        .article-layout-ca3d {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 300px;
            gap: 48px;
            align-items: start;
        }

        .article-main-ca3d {
            max-width: 100%;
            min-width: 0;
        }

        .article-cover-ca3d {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 35px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-card);
        }

        .article-cover-ca3d img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            display: block;
        }

        .article-content-ca3d {
            font-size: 1.06rem;
            line-height: 1.75;
            color: var(--text-mint);
        }

        .article-content-ca3d p {
            margin-bottom: 22px;
        }

        .article-content-ca3d h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 40px 0 18px;
            letter-spacing: -0.3px;
            line-height: 1.35;
        }

        .article-content-ca3d h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--accent-gold);
            margin: 30px 0 14px;
            line-height: 1.4;
        }

        .article-content-ca3d ul,
        .article-content-ca3d ol {
            margin: 0 0 22px 24px;
            padding: 0;
        }

        .article-content-ca3d li {
            margin-bottom: 10px;
        }

        .article-content-ca3d a {
            color: var(--accent-gold);
            font-weight: 500;
            text-decoration: underline;
        }

        .article-content-ca3d a:hover {
            color: var(--accent-gold-soft);
        }

        .article-content-ca3d blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
            padding: 18px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 28px 0;
            font-style: italic;
            color: var(--text-mint);
        }

        .article-content-ca3d img {
            border-radius: var(--radius-sm);
            margin: 25px 0;
            box-shadow: var(--shadow-card);
        }

        .article-not-found-ca3d {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 50px 30px;
            text-align: center;
        }

        .article-not-found-ca3d h2 {
            font-size: 1.6rem;
            margin-bottom: 14px;
            color: var(--text-white);
        }

        .article-not-found-ca3d p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .article-not-found-ca3d a {
            display: inline-block;
            background: linear-gradient(135deg, #FFD700 0%, #FFA000 100%);
            color: #071F13;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 30px;
            transition: var(--transition);
        }

        .article-not-found-ca3d a:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        /* ARTICLE SIDEBAR */
        .article-sidebar-ca3d {
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .sidebar-card-ca3d {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }

        .sidebar-card-ca3d h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .sidebar-card-ca3d ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-card-ca3d ul li {
            margin-bottom: 12px;
        }

        .sidebar-card-ca3d ul li:last-child {
            margin-bottom: 0;
        }

        .sidebar-card-ca3d ul li a {
            color: var(--text-mint);
            font-size: 0.93rem;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }

        .sidebar-card-ca3d ul li a:hover {
            color: var(--accent-gold);
            transform: translateX(4px);
        }

        .sidebar-card-ca3d ul li a i {
            color: var(--accent-gold);
            font-size: 0.8rem;
        }

        .sidebar-cta-ca3d {
            background: linear-gradient(145deg, #0E3522 0%, #0A2E1C 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .sidebar-cta-ca3d h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }

        .sidebar-cta-ca3d p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

        .sidebar-cta-ca3d .btn-gold-ca3d {
            display: inline-block;
            background: linear-gradient(135deg, #FFD700 0%, #FFA000 100%);
            color: #071F13;
            font-weight: 700;
            padding: 12px 26px;
            border-radius: 30px;
            transition: var(--transition);
            font-size: 0.95rem;
        }

        .sidebar-cta-ca3d .btn-gold-ca3d:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        /* CTA BAND */
        .cta-band-ca3d {
            padding: 70px 0;
            background: linear-gradient(145deg, #0A2E1C 0%, #071F13 100%);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            position: relative;
            overflow: hidden;
        }

        .cta-band-ca3d::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-band-content {
            position: relative;
            z-index: 1;
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-band-content h2 {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: -0.4px;
        }

        .cta-band-content p {
            font-size: 1.05rem;
            color: var(--text-mint);
            margin-bottom: 28px;
        }

        .btn-gold-ca3d {
            display: inline-block;
            background: linear-gradient(135deg, #FFD700 0%, #FFA000 100%);
            color: #071F13;
            font-weight: 700;
            padding: 14px 34px;
            border-radius: 30px;
            transition: var(--transition);
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 6px 22px rgba(255, 215, 0, 0.3);
        }

        .btn-gold-ca3d:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(255, 215, 0, 0.45);
            background: linear-gradient(135deg, #FFE066 0%, #FFB300 100%);
        }

        /* FAB */
        .fab-ca3d {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 1060;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: #071F13;
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            opacity: 0.7;
            animation: fabBreath 3s ease-in-out infinite;
        }

        .fab-ca3d:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }

        .fab-ca3d:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab-ca3d .fab-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #D32F2F;
            border: 2px solid #071F13;
            animation: dotBlink 1.8s ease-in-out infinite;
        }

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

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

        /* FOOTER */
        .footer-ca3d {
            background: #061B10;
            border-top: 1px solid var(--border-gold);
            padding: 60px 0 30px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 14px;
            line-height: 1.5;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer-links h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }

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

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

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

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .article-layout-ca3d {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .article-sidebar-ca3d {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }

            .sidebar-card-ca3d,
            .sidebar-cta-ca3d {
                flex: 1;
                min-width: 260px;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .navbar-ca3d .container-ca3d {
                min-height: 64px;
                flex-wrap: wrap;
                padding: 10px 16px;
            }

            .navbar-brand-ca3d {
                font-size: 1rem;
            }

            .navbar-brand-ca3d img {
                width: 34px;
                height: 34px;
            }

            .nav-links-ca3d {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(7, 31, 19, 0.98);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border-gold);
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            }

            .nav-links-ca3d.show {
                display: flex;
            }

            .nav-links-ca3d li {
                width: 100%;
            }

            .nav-links-ca3d li a {
                display: block;
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }

            .navbar-toggler-ca3d {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .btn-login-nav,
            .btn-signup-nav {
                padding: 7px 14px;
                font-size: 0.8rem;
            }

            .article-hero-ca3d {
                padding: 110px 0 36px;
            }

            .article-hero-ca3d h1 {
                font-size: 1.9rem;
            }

            .article-cover-ca3d img {
                height: 260px;
            }

            .article-body-wrapper {
                padding: 36px 0 60px;
            }

            .article-content-ca3d {
                font-size: 0.98rem;
            }

            .article-content-ca3d h2 {
                font-size: 1.4rem;
            }

            .cta-band-content h2 {
                font-size: 1.6rem;
            }

            .fab-ca3d {
                left: 16px;
                bottom: 80px;
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container-ca3d {
                padding: 0 16px;
            }

            .article-hero-ca3d h1 {
                font-size: 1.6rem;
            }

            .article-cover-ca3d img {
                height: 210px;
            }

            .article-meta-ca3d {
                gap: 12px;
                font-size: 0.82rem;
            }

            .btn-login-nav,
            .btn-signup-nav {
                padding: 6px 10px;
                font-size: 0.72rem;
            }

            .navbar-brand-ca3d span {
                display: none;
            }

            .navbar-brand-ca3d img {
                width: 32px;
                height: 32px;
            }

            .sidebar-card-ca3d,
            .sidebar-cta-ca3d {
                min-width: 100%;
            }

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

            .cta-band-content p {
                font-size: 0.95rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-deep: #0A2E1C;
            --primary-forest: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-pale-mint: #D1F2EB;
            --bg-dark: #071B11;
            --bg-card: #0E301F;
            --border-gold: rgba(255, 215, 0, 0.4);
            --shadow-gold: 0 8px 24px rgba(255, 215, 0, 0.12);
            --shadow-dark: 0 12px 32px rgba(0, 0, 0, 0.35);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'Be Vietnam Pro', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

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

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

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

        a:hover {
            color: var(--text-pale-mint);
            transform: translateY(-1px);
        }

        button,
        .btn-ca3d {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        .btn-ca3d:focus-visible {
            outline: 3px solid var(--accent-gold);
            outline-offset: 3px;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-display);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-white);
            margin-bottom: 1rem;
        }

        h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.5rem);
        }

        p {
            margin-bottom: 1rem;
            color: var(--text-pale-mint);
        }

        .container-ca3d {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* NAVBAR */
        .navbar-ca3d {
            background: rgba(7, 27, 17, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 14px 0;
            transition: all var(--transition-base);
        }

        .navbar-ca3d .container-ca3d {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .navbar-brand-ca3d {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--accent-gold);
            text-decoration: none;
            letter-spacing: -0.01em;
        }

        .navbar-brand-ca3d img {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 2px solid var(--accent-gold);
            object-fit: cover;
            box-shadow: 0 0 12px rgba(255, 215, 0, 0.3);
        }

        .navbar-brand-ca3d span {
            font-family: var(--font-display);
            font-size: 1.2rem;
            background: linear-gradient(135deg, #FFD700 0%, #FF9F00 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links-ca3d {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 6px;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .nav-links-ca3d li a {
            display: inline-block;
            padding: 10px 18px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-pale-mint);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-links-ca3d li a:hover,
        .nav-links-ca3d li a.active {
            background: rgba(255, 215, 0, 0.12);
            color: var(--accent-gold);
            transform: none;
        }

        .nav-links-ca3d li a.active {
            background: rgba(255, 215, 0, 0.18);
            box-shadow: inset 0 0 0 1px var(--border-gold);
        }

        .nav-actions-ca3d {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login-nav {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }

        .btn-login-nav:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--text-white);
            border-color: var(--accent-gold);
        }

        .btn-signup-nav {
            background: linear-gradient(135deg, #FFD700 0%, #FF9F00 100%);
            color: #0A2E1C;
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            transition: all var(--transition-base);
        }

        .btn-signup-nav:hover {
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.5);
            transform: translateY(-2px);
            color: #0A2E1C;
        }

        .navbar-toggler-ca3d {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.5rem;
            padding: 4px 10px;
            border-radius: 8px;
            border: 1px solid var(--border-gold);
        }

        /* HERO SECTION */
        .hero-category {
            background: radial-gradient(ellipse at 30% 20%, rgba(18, 62, 37, 0.85) 0%, rgba(7, 27, 17, 0.98) 70%),
                        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding: 80px 0 64px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(7,27,17,0.3) 0%, rgba(7,27,17,0.9) 100%);
            pointer-events: none;
        }

        .hero-category .container-ca3d {
            position: relative;
            z-index: 2;
        }

        .hero-content {
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            margin-bottom: 24px;
            backdrop-filter: blur(10px);
        }

        .hero-content h1 {
            color: var(--text-white);
            margin-bottom: 20px;
            text-shadow: 0 4px 24px rgba(0,0,0,0.5);
        }

        .hero-content p.lead {
            font-size: 1.15rem;
            color: var(--text-pale-mint);
            margin-bottom: 32px;
            max-width: 600px;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

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

        .hero-stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
            font-family: var(--font-display);
            letter-spacing: -0.02em;
        }

        .hero-stat-label {
            font-size: 0.9rem;
            color: var(--text-pale-mint);
            opacity: 0.8;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary-ca3d {
            background: linear-gradient(135deg, #FFD700 0%, #FF9F00 100%);
            color: #0A2E1C;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition-base);
        }

        .btn-primary-ca3d:hover {
            box-shadow: 0 12px 32px rgba(255, 215, 0, 0.5);
            transform: translateY(-3px);
            color: #0A2E1C;
        }

        .btn-secondary-ca3d {
            background: transparent;
            border: 2px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition-base);
        }

        .btn-secondary-ca3d:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--text-white);
            border-color: var(--accent-gold);
            transform: translateY(-2px);
        }

        .hero-image-panel {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .hero-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-dark), 0 0 40px rgba(255, 215, 0, 0.15);
            border: 2px solid var(--border-gold);
            max-width: 420px;
            width: 100%;
        }

        .hero-image-wrap img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        /* SECTION BASE */
        .section-ca3d {
            padding: var(--spacing-section) 0;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header h2 {
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-pale-mint);
            opacity: 0.85;
            max-width: 680px;
        }

        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, #FFD700, #FF9F00);
            border-radius: 4px;
            margin: 16px 0 24px;
        }

        /* FEATURE / BENEFIT CARDS */
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin-top: 40px;
        }

        .benefit-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            border: 1px solid rgba(255, 215, 0, 0.15);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

        .benefit-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.6rem;
            margin-bottom: 20px;
        }

        .benefit-card h3 {
            font-size: 1.2rem;
            margin-bottom: 12px;
        }

        .benefit-card p {
            font-size: 0.95rem;
            margin-bottom: 0;
            opacity: 0.9;
        }

        /* STEPS / PROCESS */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin-top: 40px;
        }

        .step-item {
            background: transparent;
            padding: 24px 0;
            border-top: 2px solid var(--border-gold);
            position: relative;
        }

        .step-number {
            font-size: 3rem;
            font-weight: 700;
            color: rgba(255, 215, 0, 0.2);
            font-family: var(--font-display);
            line-height: 1;
            margin-bottom: 12px;
        }

        .step-item h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--accent-gold);
        }

        .step-item p {
            font-size: 0.95rem;
            opacity: 0.85;
            margin-bottom: 0;
        }

        /* GAME SHOWCASE */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 20px;
            margin-top: 40px;
        }

        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid rgba(255, 215, 0, 0.2);
            transition: all var(--transition-base);
            cursor: pointer;
        }

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

        .game-card-image {
            height: 140px;
            overflow: hidden;
            position: relative;
        }

        .game-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .game-card:hover .game-card-image img {
            transform: scale(1.08);
        }

        .game-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--accent-red);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .game-card-body {
            padding: 16px;
        }

        .game-card-body h4 {
            font-size: 0.95rem;
            margin-bottom: 6px;
            font-weight: 600;
        }

        .game-card-body .game-rate {
            font-size: 0.85rem;
            color: var(--accent-gold);
            font-weight: 700;
        }

        /* TESTIMONIAL / PROOF */
        .proof-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px;
            border: 1px solid rgba(255, 215, 0, 0.15);
            margin-bottom: 24px;
            transition: all var(--transition-base);
        }

        .proof-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }

        .proof-quote {
            font-size: 1.05rem;
            font-style: italic;
            color: var(--text-pale-mint);
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .proof-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .proof-author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #0A2E1C;
            font-size: 1.2rem;
        }

        .proof-author-name {
            font-weight: 600;
            font-size: 0.95rem;
        }

        .proof-author-role {
            font-size: 0.8rem;
            opacity: 0.7;
        }

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

        .accordion-ca3d {
            background: var(--bg-card);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .accordion-ca3d:hover {
            border-color: var(--border-gold);
        }

        .accordion-header-ca3d {
            width: 100%;
            background: transparent;
            color: var(--text-white);
            padding: 20px 24px;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            border: none;
        }

        .accordion-header-ca3d i {
            color: var(--accent-gold);
            transition: transform 0.3s ease;
        }

        .accordion-header-ca3d.active i {
            transform: rotate(180deg);
        }

        .accordion-body-ca3d {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--text-pale-mint);
        }

        .accordion-body-ca3d.open {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* CTA SECTION */
        .cta-section {
            background: radial-gradient(ellipse at 50% 50%, rgba(18, 62, 37, 0.9) 0%, rgba(7, 27, 17, 0.98) 70%),
                        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            border: 1px solid var(--border-gold);
            text-align: center;
            margin: 0 auto;
        }

        .cta-section h2 {
            margin-bottom: 16px;
        }

        .cta-section p {
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            margin-bottom: 32px;
        }

        /* FLOATING ACTION BUTTON */
        .fab-ca3d {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1080;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #0A2E1C, #071B11);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            animation: fabFloat 3s ease-in-out infinite;
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .fab-ca3d:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
            color: var(--text-white);
        }

        .fab-ca3d:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab-ca3d .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #071B11;
            animation: blink 1.5s ease-in-out infinite;
        }

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

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

        /* FOOTER */
        .footer-ca3d {
            background: #05120B;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding: 56px 0 24px;
            margin-top: 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 1.1rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .footer-brand p {
            font-size: 0.9rem;
            opacity: 0.8;
            max-width: 400px;
        }

        .footer-links h4 {
            font-size: 0.95rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
            font-weight: 600;
        }

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

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

        .footer-links ul li a {
            color: var(--text-pale-mint);
            font-size: 0.9rem;
            opacity: 0.8;
            transition: all var(--transition-base);
        }

        .footer-links ul li a:hover {
            color: var(--accent-gold);
            opacity: 1;
            transform: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-pale-mint);
            opacity: 0.7;
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .hero-category {
                min-height: auto;
                padding: 64px 0 48px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
            }
            .container-ca3d {
                padding-left: 16px;
                padding-right: 16px;
            }
            .navbar-ca3d .container-ca3d {
                flex-wrap: wrap;
            }
            .nav-links-ca3d {
                display: none;
                width: 100%;
                order: 3;
                flex-direction: column;
                align-items: stretch;
                background: rgba(7, 27, 17, 0.98);
                border-radius: 12px;
                padding: 12px;
                border: 1px solid var(--border-gold);
            }
            .nav-links-ca3d.show {
                display: flex;
            }
            .nav-links-ca3d li a {
                padding: 12px 16px;
                border-radius: 8px;
            }
            .nav-actions-ca3d {
                gap: 8px;
            }
            .navbar-toggler-ca3d {
                display: block;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat-value {
                font-size: 1.5rem;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 12px;
            }
            .btn-primary-ca3d,
            .btn-secondary-ca3d {
                width: 100%;
                justify-content: center;
            }
            .hero-image-wrap {
                max-width: 100%;
                margin-top: 32px;
            }
            .hero-image-wrap img {
                height: 220px;
            }
            .benefit-grid {
                grid-template-columns: 1fr;
            }
            .steps-container {
                grid-template-columns: 1fr;
            }
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .cta-section {
                padding: 40px 20px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .fab-ca3d {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .hero-category {
                padding: 48px 0 32px;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 6px 14px;
            }
            .hero-content p.lead {
                font-size: 1rem;
            }
            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }
            .game-grid {
                grid-template-columns: 1fr;
            }
            .game-card-image {
                height: 160px;
            }
            .btn-login-nav {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .btn-signup-nav {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .navbar-brand-ca3d span {
                font-size: 1rem;
            }
        }

/* roulang page: category2 */
:root {
            --ca3d-bg: #08090F;
            --ca3d-bg-2: #0D111E;
            --ca3d-surface: #111827;
            --ca3d-surface-2: #1A2234;
            --ca3d-primary: #00F0FF;
            --ca3d-primary-2: #0052FF;
            --ca3d-accent: #00E5A0;
            --ca3d-text: #FFFFFF;
            --ca3d-text-soft: #CBD5E1;
            --ca3d-muted: #94A3B8;
            --ca3d-border: rgba(0, 240, 255, 0.25);
            --ca3d-border-strong: rgba(0, 240, 255, 0.6);
            --ca3d-shadow: 0 0 30px rgba(0, 240, 255, 0.08);
            --ca3d-shadow-hover: 0 0 45px rgba(0, 240, 255, 0.2);
            --ca3d-radius: 16px;
            --ca3d-radius-sm: 10px;
            --ca3d-font: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
            --ca3d-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--ca3d-font);
            background-color: var(--ca3d-bg);
            color: var(--ca3d-text);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--ca3d-primary);
            text-decoration: none;
            transition: var(--ca3d-transition);
        }

        a:hover {
            color: var(--ca3d-accent);
            text-decoration: none;
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container-ca3d {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== NAVBAR ===== */
        .navbar-ca3d {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            padding: 0;
            height: 72px;
            display: flex;
            align-items: center;
        }

        .navbar-ca3d .container-ca3d {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: nowrap;
        }

        .navbar-brand-ca3d {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--ca3d-text);
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-decoration: none;
            transition: var(--ca3d-transition);
        }

        .navbar-brand-ca3d img {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--ca3d-primary);
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.4);
        }

        .navbar-brand-ca3d span {
            background: linear-gradient(135deg, #fff 0%, #CBD5E1 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .navbar-brand-ca3d:hover {
            color: var(--ca3d-text);
            transform: translateY(-1px);
        }

        .nav-links-ca3d {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-links-ca3d li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--ca3d-text-soft);
            transition: var(--ca3d-transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-links-ca3d li a:hover,
        .nav-links-ca3d li a.active {
            color: var(--ca3d-primary);
            background: rgba(0, 240, 255, 0.08);
            box-shadow: inset 0 0 0 1px rgba(0, 240, 255, 0.2);
        }

        .nav-links-ca3d li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--ca3d-primary);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.8);
        }

        .nav-actions-ca3d {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login-nav {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--ca3d-text);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--ca3d-transition);
            white-space: nowrap;
        }

        .btn-login-nav:hover {
            border-color: var(--ca3d-primary);
            color: var(--ca3d-primary);
            background: rgba(0, 240, 255, 0.05);
        }

        .btn-signup-nav {
            background: linear-gradient(135deg, #00F0FF 0%, #0052FF 100%);
            border: none;
            color: #08090F;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 800;
            transition: var(--ca3d-transition);
            white-space: nowrap;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }

        .btn-signup-nav:hover {
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.5);
            transform: translateY(-2px);
            color: #08090F;
        }

        .navbar-toggler-ca3d {
            display: none;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--ca3d-primary);
            font-size: 1.3rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--ca3d-transition);
        }

        .navbar-toggler-ca3d:hover {
            background: rgba(0, 240, 255, 0.2);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
        }

        /* ===== MOBILE NAV ===== */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(8, 9, 15, 0.98);
            backdrop-filter: blur(20px);
            z-index: 1040;
            padding: 24px;
            overflow-y: auto;
        }

        .mobile-menu-overlay.show {
            display: block;
        }

        .mobile-menu-overlay .nav-links-mobile {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-menu-overlay .nav-links-mobile a {
            display: block;
            padding: 14px 18px;
            border-radius: 12px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--ca3d-text-soft);
            transition: var(--ca3d-transition);
        }

        .mobile-menu-overlay .nav-links-mobile a:hover,
        .mobile-menu-overlay .nav-links-mobile a.active {
            background: rgba(0, 240, 255, 0.08);
            color: var(--ca3d-primary);
        }

        /* ===== PAGE HERO ===== */
        .page-hero-ca3d {
            position: relative;
            padding: 80px 0 70px;
            background: linear-gradient(180deg, rgba(13, 17, 30, 0.95) 0%, rgba(8, 9, 15, 0.98) 100%);
            overflow: hidden;
            border-bottom: 1px solid rgba(0, 240, 255, 0.08);
        }

        .page-hero-ca3d::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -200px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero-ca3d::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -150px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 82, 255, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .breadcrumb-ca3d {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--ca3d-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb-ca3d a {
            color: var(--ca3d-primary);
            transition: var(--ca3d-transition);
        }

        .breadcrumb-ca3d a:hover {
            color: var(--ca3d-accent);
        }

        .breadcrumb-ca3d i {
            font-size: 0.65rem;
            opacity: 0.6;
        }

        .page-hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--ca3d-primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
        }

        .page-hero-content h1 {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            color: var(--ca3d-text);
        }

        .page-hero-content h1 .highlight-ca3d {
            background: linear-gradient(135deg, #00F0FF 0%, #00E5A0 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .page-hero-desc {
            font-size: 1.1rem;
            color: var(--ca3d-text-soft);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 620px;
        }

        .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

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

        .hero-stat-value {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--ca3d-primary);
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--ca3d-muted);
            margin-top: 4px;
        }

        .page-hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .page-hero-visual img {
            width: 100%;
            max-width: 420px;
            border-radius: var(--ca3d-radius);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 240, 255, 0.15);
            border: 1px solid rgba(0, 240, 255, 0.2);
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        /* ===== SECTION ===== */
        .section-ca3d {
            padding: 80px 0;
            position: relative;
        }

        .section-ca3d.alt-bg {
            background: var(--ca3d-bg-2);
        }

        .section-header-ca3d {
            margin-bottom: 48px;
            max-width: 700px;
        }

        .section-header-ca3d.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-label-ca3d {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--ca3d-primary);
            margin-bottom: 12px;
        }

        .section-header-ca3d h2 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: var(--ca3d-text);
            margin-bottom: 12px;
        }

        .section-header-ca3d p {
            font-size: 1rem;
            color: var(--ca3d-muted);
            line-height: 1.7;
        }

        /* ===== FEATURE GRID ===== */
        .feature-grid-ca3d {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-item-ca3d {
            background: var(--ca3d-surface);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--ca3d-radius);
            padding: 28px 24px;
            transition: var(--ca3d-transition);
            position: relative;
            overflow: hidden;
        }

        .feature-item-ca3d::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #00F0FF, #0052FF);
            opacity: 0;
            transition: var(--ca3d-transition);
        }

        .feature-item-ca3d:hover {
            border-color: var(--ca3d-border-strong);
            box-shadow: var(--ca3d-shadow-hover);
            transform: translateY(-4px);
        }

        .feature-item-ca3d:hover::before {
            opacity: 1;
        }

        .feature-icon-ca3d {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--ca3d-primary);
            margin-bottom: 16px;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .feature-item-ca3d h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ca3d-text);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .feature-item-ca3d p {
            font-size: 0.92rem;
            color: var(--ca3d-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== STEP PROCESS ===== */
        .step-process-ca3d {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            position: relative;
        }

        .step-card-ca3d {
            background: var(--ca3d-surface);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--ca3d-radius);
            padding: 32px 24px;
            position: relative;
            transition: var(--ca3d-transition);
        }

        .step-card-ca3d:hover {
            border-color: var(--ca3d-border-strong);
            box-shadow: var(--ca3d-shadow-hover);
        }

        .step-number-ca3d {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #00F0FF 0%, #0052FF 100%);
            color: #08090F;
            font-size: 1.2rem;
            font-weight: 900;
            margin-bottom: 16px;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }

        .step-card-ca3d h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ca3d-text);
            margin-bottom: 8px;
        }

        .step-card-ca3d p {
            font-size: 0.92rem;
            color: var(--ca3d-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== PROOF / TESTIMONIAL ===== */
        .proof-grid-ca3d {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .proof-card-ca3d {
            background: var(--ca3d-surface);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--ca3d-radius);
            padding: 24px;
            transition: var(--ca3d-transition);
        }

        .proof-card-ca3d:hover {
            border-color: var(--ca3d-border-strong);
            box-shadow: var(--ca3d-shadow-hover);
        }

        .proof-quote-ca3d {
            font-size: 0.95rem;
            color: var(--ca3d-text-soft);
            line-height: 1.65;
            margin-bottom: 16px;
            font-style: italic;
        }

        .proof-author-ca3d {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .proof-author-avatar-ca3d {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: #08090F;
            font-size: 0.9rem;
        }

        .proof-author-info-ca3d {
            display: flex;
            flex-direction: column;
        }

        .proof-author-name-ca3d {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--ca3d-text);
        }

        .proof-author-role-ca3d {
            font-size: 0.78rem;
            color: var(--ca3d-muted);
        }

        /* ===== FAQ ===== */
        .faq-list-ca3d {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item-ca3d {
            background: var(--ca3d-surface);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--ca3d-radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--ca3d-transition);
        }

        .faq-item-ca3d:hover {
            border-color: var(--ca3d-border-strong);
        }

        .faq-question-ca3d {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            background: transparent;
            border: none;
            color: var(--ca3d-text);
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            text-align: left;
            transition: var(--ca3d-transition);
        }

        .faq-question-ca3d:hover {
            color: var(--ca3d-primary);
        }

        .faq-question-ca3d i {
            font-size: 0.9rem;
            color: var(--ca3d-primary);
            transition: var(--ca3d-transition);
            flex-shrink: 0;
        }

        .faq-answer-ca3d {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 20px;
        }

        .faq-item-ca3d.open .faq-answer-ca3d {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        .faq-item-ca3d.open .faq-question-ca3d i {
            transform: rotate(180deg);
        }

        .faq-answer-ca3d p {
            font-size: 0.92rem;
            color: var(--ca3d-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-section-ca3d {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.05) 0%, rgba(0, 82, 255, 0.08) 100%);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }

        .cta-box-ca3d {
            background: var(--ca3d-surface);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 24px;
            padding: 48px 40px;
            text-align: center;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(0, 240, 255, 0.08);
        }

        .cta-box-ca3d h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--ca3d-text);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .cta-box-ca3d p {
            font-size: 1.05rem;
            color: var(--ca3d-muted);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-primary-ca3d {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, #00F0FF 0%, #0052FF 100%);
            border: none;
            color: #08090F;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 800;
            transition: var(--ca3d-transition);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.3);
            text-decoration: none;
        }

        .btn-primary-ca3d:hover {
            box-shadow: 0 0 45px rgba(0, 240, 255, 0.5);
            transform: translateY(-3px);
            color: #08090F;
        }

        .btn-secondary-ca3d {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.4);
            color: var(--ca3d-primary);
            padding: 14px 28px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            transition: var(--ca3d-transition);
            text-decoration: none;
        }

        .btn-secondary-ca3d:hover {
            background: rgba(0, 240, 255, 0.08);
            border-color: var(--ca3d-primary);
            color: var(--ca3d-primary);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.2);
        }

        .cta-actions-ca3d {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== FAB ===== */
        .fab-ca3d {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(8, 9, 15, 0.85), rgba(8, 9, 15, 0.85)), linear-gradient(135deg, #00F0FF, #0052FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--ca3d-primary);
            font-size: 1.4rem;
            cursor: pointer;
            opacity: 0.6;
            transition: var(--ca3d-transition);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab-ca3d:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.8);
            animation-play-state: paused;
        }

        .fab-ca3d:active {
            transform: scale(0.95);
        }

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

        .fab-notification-ca3d {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid #08090F;
            animation: notification-blink 1.2s ease-in-out infinite;
        }

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

        /* ===== FOOTER ===== */
        .footer-ca3d {
            background: var(--ca3d-bg-2);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: 60px 0 24px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--ca3d-text);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--ca3d-muted);
            line-height: 1.65;
            margin: 0;
        }

        .footer-links h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--ca3d-text);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links ul li a {
            font-size: 0.88rem;
            color: var(--ca3d-muted);
            transition: var(--ca3d-transition);
            text-decoration: none;
        }

        .footer-links ul li a:hover {
            color: var(--ca3d-primary);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            flex-wrap: wrap;
        }

        .footer-bottom span {
            font-size: 0.82rem;
            color: var(--ca3d-muted);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .page-hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .page-hero-visual img {
                max-width: 360px;
            }

            .feature-grid-ca3d,
            .step-process-ca3d,
            .proof-grid-ca3d {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .navbar-ca3d {
                height: 64px;
            }

            .navbar-ca3d .container-ca3d {
                gap: 12px;
            }

            .nav-links-ca3d {
                display: none;
            }

            .navbar-toggler-ca3d {
                display: inline-flex;
            }

            .btn-login-nav,
            .btn-signup-nav {
                padding: 7px 14px;
                font-size: 0.82rem;
            }

            .page-hero-ca3d {
                padding: 50px 0 50px;
            }

            .page-hero-content h1 {
                font-size: 1.9rem;
            }

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

            .hero-stats-row {
                gap: 20px;
            }

            .hero-stat-value {
                font-size: 1.4rem;
            }

            .section-ca3d {
                padding: 60px 0;
            }

            .section-header-ca3d h2 {
                font-size: 1.6rem;
            }

            .feature-grid-ca3d,
            .step-process-ca3d,
            .proof-grid-ca3d {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .cta-box-ca3d {
                padding: 32px 20px;
            }

            .cta-box-ca3d h2 {
                font-size: 1.5rem;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .fab-ca3d {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }

            .container-ca3d {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .navbar-brand-ca3d span {
                font-size: 0.95rem;
            }

            .navbar-brand-ca3d img {
                width: 34px;
                height: 34px;
            }

            .btn-login-nav {
                display: none;
            }

            .btn-signup-nav {
                padding: 7px 12px;
                font-size: 0.78rem;
            }

            .page-hero-content h1 {
                font-size: 1.55rem;
            }

            .page-hero-tag {
                font-size: 0.75rem;
                padding: 5px 12px;
            }

            .hero-stats-row {
                gap: 16px;
            }

            .hero-stat-value {
                font-size: 1.2rem;
            }

            .hero-stat-label {
                font-size: 0.75rem;
            }

            .section-header-ca3d h2 {
                font-size: 1.4rem;
            }

            .cta-actions-ca3d {
                flex-direction: column;
                gap: 10px;
            }

            .btn-primary-ca3d,
            .btn-secondary-ca3d {
                width: 100%;
                justify-content: center;
                padding: 13px 20px;
                font-size: 0.92rem;
            }
        }