/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-dark: #071F13;
            --bg-card: #0E3522;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-amber: #FFB300;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A8C9BC;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.3);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

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

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.75rem;
        }

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

        a:hover {
            color: #FFE55C;
            text-decoration: none;
        }

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

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

        /* ===== Navbar ===== */
        .navbar-custom {
            background: rgba(7, 31, 19, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-gold);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 4px 25px rgba(0, 0, 0, 0.4);
        }

        .navbar-custom .navbar-brand {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--accent-gold);
            letter-spacing: -0.01em;
            white-space: normal;
            line-height: 1.2;
            max-width: 260px;
        }

        .navbar-custom .navbar-brand span {
            color: var(--text-white);
        }

        .navbar-custom .nav-link {
            color: var(--text-mint);
            font-weight: 500;
            font-size: 0.92rem;
            padding: 8px 16px !important;
            border-radius: 6px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .btn-nav-login {
            background: transparent;
            color: var(--text-mint);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            padding: 8px 20px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            white-space: nowrap;
        }

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

        .btn-nav-signup {
            background: var(--accent-gold);
            color: #0A2E1C;
            border: none;
            border-radius: 50px;
            padding: 8px 22px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: var(--shadow-gold);
        }

        .btn-nav-signup:hover {
            background: #FFE55C;
            color: #071F13;
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(255, 215, 0, 0.35);
        }

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

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,215,0,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Hero ===== */
        .hero-section {
            background: linear-gradient(135deg, #071F13 0%, #0A2E1C 40%, #123E25 100%);
            position: relative;
            padding: 70px 0 60px;
            border-bottom: 2px solid var(--border-gold);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255,215,0,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(211,47,47,0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.12);
            color: var(--accent-gold);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }

        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.15;
            color: var(--text-white);
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .hero-title .highlight {
            color: var(--accent-gold);
            border-bottom: 3px solid var(--accent-red);
            padding-bottom: 2px;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-mint);
            max-width: 620px;
            line-height: 1.65;
            margin-bottom: 28px;
        }

        .btn-hero-primary {
            background: var(--accent-gold);
            color: #071F13;
            border: none;
            border-radius: 50px;
            padding: 14px 32px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: var(--shadow-gold);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-hero-primary:hover {
            background: #FFE55C;
            transform: translateY(-3px);
            box-shadow: 0 10px 35px rgba(255, 215, 0, 0.4);
            color: #071F13;
        }

        .btn-hero-outline {
            background: transparent;
            color: var(--text-mint);
            border: 1.5px solid var(--border-gold);
            border-radius: 50px;
            padding: 13px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-outline:hover {
            background: rgba(255, 215, 0, 0.08);
            color: var(--accent-gold);
            border-color: var(--accent-gold);
        }

        .hero-icon-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 32px;
        }

        .hero-icon-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 12px 18px;
            font-size: 0.85rem;
            color: var(--text-mint);
            transition: var(--transition);
        }

        .hero-icon-item:hover {
            border-color: var(--border-gold);
            background: rgba(255, 215, 0, 0.05);
            transform: translateY(-3px);
        }

        .hero-icon-item i {
            color: var(--accent-gold);
            font-size: 1.2rem;
        }

        .hero-stats-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-top: 30px;
            padding-top: 24px;
            border-top: 1px solid var(--border-subtle);
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: 60px 0;
        }

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

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

        .section-label {
            display: inline-block;
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            padding: 5px 14px;
            border-radius: 4px;
            border: 1px solid var(--border-gold);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 0.98rem;
            color: var(--text-mint);
            max-width: 720px;
            line-height: 1.65;
            margin-bottom: 32px;
        }

        /* ===== Collection Grid ===== */
        .collection-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .collection-card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .collection-card-img .badge-hot {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent-red);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 4px;
            letter-spacing: 0.5px;
        }

        .collection-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .collection-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .collection-card-text {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.55;
            flex: 1;
        }

        .collection-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-gold);
            margin-top: 14px;
        }

        .collection-card-link:hover {
            color: #FFE55C;
            gap: 10px;
        }

        /* ===== Recommend / Topic Cards ===== */
        .topic-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
            height: 100%;
            text-align: left;
        }

        .topic-card:hover {
            border-color: var(--border-gold);
            background: rgba(255, 215, 0, 0.04);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }

        .topic-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(255, 215, 0, 0.12);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
        }

        .topic-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .topic-card-text {
            font-size: 0.87rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 12px;
        }

        .topic-card-tag {
            font-size: 0.75rem;
            color: var(--accent-gold);
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        /* ===== News / CMS List ===== */
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 18px;
            border-bottom: 1px solid var(--border-subtle);
            transition: var(--transition);
            border-radius: 6px;
        }

        .news-list-item:hover {
            background: rgba(255, 215, 0, 0.04);
        }

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

        .news-index {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            min-width: 28px;
            text-align: center;
            background: rgba(255, 215, 0, 0.08);
            border-radius: 6px;
            padding: 4px 0;
        }

        .news-content {
            flex: 1;
        }

        .news-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 4px;
            display: block;
        }

        .news-title:hover {
            color: var(--accent-gold);
        }

        .news-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .news-summary {
            font-size: 0.85rem;
            color: var(--text-mint);
            margin-top: 6px;
            line-height: 1.5;
        }

        .news-sidebar {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px;
        }

        .news-sidebar-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-gold);
        }

        /* ===== Progress / KPI ===== */
        .kpi-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px;
            text-align: left;
            transition: var(--transition);
        }

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

        .kpi-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
        }

        .kpi-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .progress-track {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50px;
            height: 8px;
            overflow: hidden;
            margin-top: 12px;
        }

        .progress-fill {
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-amber));
            height: 100%;
            border-radius: 50px;
            transition: width 1.5s ease;
        }

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

        .checklist li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 0.9rem;
            color: var(--text-mint);
            border-bottom: 1px solid var(--border-subtle);
        }

        .checklist li:last-child {
            border-bottom: none;
        }

        .checklist li i {
            color: var(--accent-gold);
            margin-top: 3px;
            font-size: 0.9rem;
        }

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

        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(255, 215, 0, 0.05);
            color: var(--accent-gold);
        }

        .accordion-custom .accordion-button::after {
            filter: invert(70%) sepia(60%) saturate(500%) hue-rotate(360deg);
        }

        .accordion-custom .accordion-body {
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.65;
            padding: 0 22px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(255,215,0,0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-title {
            font-size: clamp(1.4rem, 2.5vw, 1.9rem);
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .cta-text {
            color: var(--text-mint);
            font-size: 0.95rem;
            max-width: 500px;
            line-height: 1.6;
        }

        /* ===== Footer ===== */
        .footer-section {
            background: var(--bg-dark);
            border-top: 2px solid var(--border-gold);
            padding: 50px 0 30px;
        }

        .footer-brand {
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--accent-gold);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .footer-text {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-heading {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: var(--transition);
        }

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

        .footer-badge-18 {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            padding: 6px 14px;
            border-radius: 6px;
            border: 2px solid var(--accent-gold);
            margin-bottom: 14px;
        }

        .footer-copy {
            font-size: 0.8rem;
            color: var(--text-muted);
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            margin-top: 30px;
        }

        /* ===== FAB ===== */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1A1A1A, #0A0A0A);
            border: 3px 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);
            animation: fabBreathe 3s ease-in-out infinite;
            transition: var(--transition);
            opacity: 0.7;
        }

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

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

        .fab-left .fab-dot {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            background: #FF0040;
            border-radius: 50%;
            border: 2px solid #fff;
            animation: blinkDot 1.5s ease-in-out infinite;
        }

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

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-section {
                padding: 50px 0 45px;
            }
            .section-block {
                padding: 45px 0;
            }
            .cta-section {
                padding: 36px 28px;
            }
        }

        @media (max-width: 768px) {
            .navbar-custom .navbar-brand {
                font-size: 0.95rem;
                max-width: 200px;
            }
            .navbar-custom .nav-link {
                font-size: 0.85rem;
                padding: 8px 12px !important;
            }
            .btn-nav-login,
            .btn-nav-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .hero-section {
                padding: 40px 0 35px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.92rem;
            }
            .hero-icon-grid {
                gap: 10px;
            }
            .hero-icon-item {
                padding: 10px 14px;
                font-size: 0.78rem;
            }
            .hero-stats-bar {
                gap: 20px;
            }
            .hero-stat-number {
                font-size: 1.3rem;
            }
            .section-block {
                padding: 35px 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .collection-card-img {
                height: 150px;
            }
            .cta-section {
                padding: 28px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-title {
                font-size: 1.3rem;
            }
            .fab-left {
                left: 14px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .navbar-custom {
                padding: 10px 0;
            }
            .navbar-custom .navbar-brand {
                font-size: 0.85rem;
                max-width: 160px;
            }
            .btn-nav-login,
            .btn-nav-signup {
                padding: 5px 12px;
                font-size: 0.75rem;
                border-radius: 30px;
            }
            .hero-section {
                padding: 30px 0 28px;
            }
            .hero-badge {
                font-size: 0.72rem;
                padding: 4px 12px;
            }
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-desc {
                font-size: 0.85rem;
            }
            .hero-icon-item {
                font-size: 0.72rem;
                padding: 8px 10px;
                gap: 6px;
            }
            .hero-icon-item i {
                font-size: 1rem;
            }
            .hero-stats-bar {
                gap: 14px;
                flex-wrap: wrap;
            }
            .hero-stat-number {
                font-size: 1.15rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .section-desc {
                font-size: 0.87rem;
            }
            .collection-card-img {
                height: 130px;
            }
            .collection-card-body {
                padding: 16px;
            }
            .collection-card-title {
                font-size: 0.98rem;
            }
            .news-list-item {
                padding: 12px 10px;
                gap: 10px;
            }
            .news-title {
                font-size: 0.85rem;
            }
            .kpi-number {
                font-size: 1.4rem;
            }
            .cta-section {
                padding: 22px 16px;
            }
            .cta-title {
                font-size: 1.15rem;
            }
            .footer-section {
                padding: 35px 0 20px;
            }
            .fab-left {
                left: 10px;
                bottom: 70px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
                border-width: 2px;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #9BB8AD;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-soft: rgba(255, 255, 255, 0.08);
            --shadow-card: 0 10px 35px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --spacing-section: 72px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--accent-gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            outline: none;
        }
        button:focus, a:focus {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin: 0 auto;
        }
        /* Navbar */
        .navbar-custom {
            background: rgba(10, 46, 28, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .navbar-custom .navbar-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.3px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 300px;
        }
        .navbar-custom .navbar-brand span {
            color: var(--accent-gold);
        }
        .navbar-custom .nav-link {
            color: var(--text-mint);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: 20px;
            transition: all 0.3s ease;
        }
        .navbar-custom .nav-link:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        .navbar-custom .nav-link.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
        }
        .btn-nav-login {
            color: var(--text-mint);
            font-weight: 500;
            padding: 8px 16px;
            border: 1px solid var(--border-gold);
            border-radius: 24px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        .btn-nav-login:hover {
            color: var(--accent-gold);
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
        }
        .btn-nav-signup {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 8px 20px;
            border-radius: 24px;
            border: none;
            transition: all 0.3s ease;
            white-space: nowrap;
            box-shadow: var(--shadow-gold);
        }
        .btn-nav-signup:hover {
            background: #ffe033;
            color: #062315;
            transform: translateY(-2px);
        }
        .navbar-toggler {
            border-color: var(--border-gold);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,215,0,0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        /* Article Hero */
        .article-hero {
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 60%, #1A4D33 100%);
            padding: 56px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .article-breadcrumb {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: var(--text-mint);
        }
        .article-breadcrumb a:hover {
            color: var(--accent-gold);
        }
        .article-breadcrumb .separator {
            color: var(--accent-gold);
        }
        .article-title {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--text-white);
            letter-spacing: -0.5px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta i {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }
        .article-meta .category-badge {
            background: var(--accent-red);
            color: #fff;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        /* Article Body */
        .article-body-section {
            padding: 48px 0 64px;
            background: #0A2E1C;
        }
        .article-layout {
            display: flex;
            gap: 40px;
            align-items: flex-start;
        }
        .article-main {
            flex: 1;
            min-width: 0;
            max-width: 780px;
        }
        .article-content {
            font-size: 1.06rem;
            line-height: 1.75;
            color: var(--text-mint);
        }
        .article-content h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-top: 40px;
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--text-white);
            margin-top: 28px;
            margin-bottom: 12px;
        }
        .article-content p {
            margin-bottom: 18px;
        }
        .article-content ul, .article-content ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
            width: 100%;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent-gold);
            padding: 16px 20px;
            margin: 24px 0;
            background: rgba(255, 215, 0, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-white);
            font-style: italic;
        }
        .article-content table {
            width: 100%;
            margin: 24px 0;
            border-collapse: collapse;
            background: rgba(18, 62, 37, 0.7);
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .article-content table th {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border-gold);
        }
        .article-content table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-soft);
            color: var(--text-mint);
        }
        .article-content table tr:last-child td {
            border-bottom: none;
        }
        .article-not-found {
            background: rgba(18, 62, 37, 0.6);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 40px 24px;
            text-align: center;
            margin: 40px 0;
        }
        .article-not-found h3 {
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .article-not-found .btn-back-home {
            display: inline-block;
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 24px;
            margin-top: 16px;
            transition: all 0.3s ease;
        }
        .article-not-found .btn-back-home:hover {
            background: #ffe033;
            transform: translateY(-2px);
        }
        /* Sidebar */
        .article-sidebar {
            width: 340px;
            flex-shrink: 0;
            position: sticky;
            top: 100px;
        }
        .sidebar-card {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 24px;
        }
        .sidebar-card h4 {
            color: var(--accent-gold);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4 i {
            font-size: 0.95rem;
        }
        .sidebar-topic-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-topic-list li {
            margin-bottom: 10px;
        }
        .sidebar-topic-list a {
            display: block;
            padding: 10px 14px;
            background: rgba(10, 46, 28, 0.6);
            border-radius: var(--radius-sm);
            color: var(--text-mint);
            font-size: 0.92rem;
            transition: all 0.3s ease;
            border-left: 3px solid transparent;
        }
        .sidebar-topic-list a:hover {
            background: rgba(255, 215, 0, 0.08);
            border-left-color: var(--accent-gold);
            color: var(--accent-gold);
        }
        .sidebar-topic-list a i {
            margin-right: 8px;
            font-size: 0.8rem;
        }
        .sidebar-tip-box {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(211, 47, 47, 0.08));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 20px;
        }
        .sidebar-tip-box .tip-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--accent-gold);
            color: #0A2E1C;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        .sidebar-tip-box h5 {
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: 8px;
        }
        .sidebar-tip-box p {
            color: var(--text-mint);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        /* CTA */
        .article-cta-section {
            background: linear-gradient(135deg, #123E25 0%, #1A4D33 100%);
            padding: 48px 0;
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
        }
        .article-cta-card {
            background: rgba(10, 46, 28, 0.7);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .article-cta-card .cta-text {
            flex: 1;
            min-width: 260px;
        }
        .article-cta-card .cta-text h3 {
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.4rem;
            margin-bottom: 8px;
        }
        .article-cta-card .cta-text p {
            color: var(--text-mint);
            margin-bottom: 0;
            font-size: 0.95rem;
        }
        .btn-cta-primary {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 28px;
            border: none;
            font-size: 0.98rem;
            white-space: nowrap;
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
        }
        .btn-cta-primary:hover {
            background: #ffe033;
            color: #062315;
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.3);
        }
        /* Footer */
        .footer-section {
            background: #062315;
            padding: 56px 0 24px;
            border-top: 1px solid var(--border-gold);
        }
        .footer-badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent-red);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 16px;
            border: 2px solid var(--accent-gold);
        }
        .footer-brand {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .footer-text {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer-heading {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        .footer-copy {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid var(--border-soft);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        /* FAB */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1100;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #0A2E1C;
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.3rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            cursor: pointer;
            opacity: 0.7;
            animation: fabBreathe 3s ease-in-out infinite;
            transition: all 0.3s ease;
        }
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.45);
        }
        .fab-support .notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid #0A2E1C;
            animation: blinkDot 1.6s ease-in-out infinite;
        }
        @keyframes fabBreathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                flex-direction: column;
                gap: 32px;
            }
            .article-main {
                max-width: 100%;
            }
            .article-sidebar {
                width: 100%;
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sidebar-card {
                margin-bottom: 0;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
            }
            .article-title {
                font-size: 1.8rem;
            }
            .article-hero {
                padding: 36px 0 28px;
            }
            .article-body-section {
                padding: 32px 0 48px;
            }
            .article-content {
                font-size: 1rem;
            }
            .article-content h2 {
                font-size: 1.4rem;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .navbar-custom .navbar-brand {
                max-width: 200px;
                font-size: 1.1rem;
            }
        }
        @media (max-width: 520px) {
            .article-title {
                font-size: 1.5rem;
            }
            .article-meta {
                gap: 12px;
                font-size: 0.8rem;
            }
            .article-cta-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-cta-primary {
                width: 100%;
                text-align: center;
            }
            .fab-support {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
                left: 12px;
                bottom: 80px;
            }
            .navbar-custom {
                padding: 10px 0;
            }
            .navbar-custom .navbar-brand {
                font-size: 1rem;
                max-width: 160px;
            }
            .btn-nav-login, .btn-nav-signup {
                padding: 6px 14px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --tertiary-bg: #0B3C25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-lime: #32CD32;
            --text-white: #FFFFFF;
            --text-pale-mint: #D1F2EB;
            --text-light-green: #C5E2D2;
            --text-muted: #8FAFA0;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-soft: rgba(255, 255, 255, 0.08);
            --card-bg: rgba(255, 255, 255, 0.04);
            --card-bg-hover: rgba(255, 255, 255, 0.07);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.15);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.2);
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.2);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 56px;
            --spacing-xl: 80px;
            --font-primary: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --font-weight-normal: 400;
            --font-weight-medium: 500;
            --font-weight-bold: 700;
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: var(--font-primary);
            background-color: var(--primary-bg);
            color: var(--text-pale-mint);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        
        a:hover, a:focus {
            color: var(--accent-gold);
        }
        
        button, .btn {
            font-family: var(--font-primary);
        }
        
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        
        /* Navigation */
        .navbar-custom {
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-soft);
            padding: 14px 0;
            transition: all 0.3s ease;
        }
        
        .navbar-custom .navbar-brand {
            font-weight: var(--font-weight-bold);
            font-size: 1.35rem;
            color: var(--text-white);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .navbar-custom .navbar-brand span {
            color: var(--accent-gold);
            font-weight: var(--font-weight-medium);
        }
        
        .navbar-custom .nav-link {
            color: var(--text-pale-mint);
            font-weight: var(--font-weight-medium);
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: 6px;
            transition: all 0.25s ease;
            position: relative;
        }
        
        .navbar-custom .nav-link:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        
        .navbar-custom .nav-link.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
        }
        
        .btn-nav-login {
            color: var(--text-pale-mint);
            font-weight: var(--font-weight-medium);
            font-size: 0.9rem;
            padding: 8px 18px;
            border: 1px solid var(--border-soft);
            border-radius: 6px;
            transition: all 0.25s ease;
            background: transparent;
            white-space: nowrap;
        }
        
        .btn-nav-login:hover {
            color: var(--accent-gold);
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
        }
        
        .btn-nav-signup {
            color: var(--primary-bg);
            font-weight: var(--font-weight-bold);
            font-size: 0.9rem;
            padding: 8px 20px;
            border-radius: 6px;
            background: var(--accent-gold);
            border: none;
            transition: all 0.25s ease;
            white-space: nowrap;
            box-shadow: var(--shadow-gold);
        }
        
        .btn-nav-signup:hover {
            background: #FFE033;
            color: var(--primary-bg);
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255,215,0,0.35);
        }
        
        .navbar-toggler {
            border: 1px solid var(--border-soft);
            padding: 6px 10px;
        }
        
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.7%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        
        /* Hero Section - Asymmetrical */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 55%, var(--tertiary-bg) 100%);
            padding: 70px 0 60px;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255,215,0,0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(50,205,50,0.05) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,215,0,0.12);
            color: var(--accent-gold);
            font-size: 0.85rem;
            font-weight: var(--font-weight-medium);
            padding: 8px 16px;
            border-radius: 20px;
            border: 1px solid var(--border-gold);
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
        }
        
        .hero-section h1 {
            font-size: 3rem;
            font-weight: var(--font-weight-bold);
            color: var(--text-white);
            line-height: 1.15;
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
            letter-spacing: -0.5px;
        }
        
        .hero-section h1 .highlight {
            color: var(--accent-gold);
            position: relative;
        }
        
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-pale-mint);
            max-width: 620px;
            line-height: 1.65;
            margin-bottom: 32px;
            position: relative;
            z-index: 2;
        }
        
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            position: relative;
            z-index: 2;
        }
        
        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        
        .hero-stat-number {
            font-size: 2rem;
            font-weight: var(--font-weight-bold);
            color: var(--accent-gold);
            line-height: 1;
        }
        
        .hero-stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        
        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 300px;
        }
        
        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            max-height: 380px;
            object-fit: cover;
            width: 100%;
            border: 1px solid var(--border-gold);
        }
        
        .hero-visual .floating-tag {
            position: absolute;
            bottom: 24px;
            left: -16px;
            background: var(--accent-gold);
            color: var(--primary-bg);
            font-weight: var(--font-weight-bold);
            font-size: 0.85rem;
            padding: 10px 18px;
            border-radius: 10px;
            box-shadow: var(--shadow-gold);
            z-index: 3;
        }
        
        /* Section Common */
        .section-block {
            padding: 70px 0;
            position: relative;
        }
        
        .section-block.alt-bg {
            background: var(--secondary-bg);
        }
        
        .section-block.tertiary-bg {
            background: var(--tertiary-bg);
        }
        
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: var(--font-weight-bold);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        
        .section-title {
            font-size: 2.2rem;
            font-weight: var(--font-weight-bold);
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-pale-mint);
            max-width: 720px;
            line-height: 1.65;
            margin-bottom: 40px;
        }
        
        /* Rules Cards */
        .rule-card {
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px;
            height: 100%;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .rule-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--accent-gold);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .rule-card:hover {
            background: var(--card-bg-hover);
            border-color: var(--border-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        
        .rule-card:hover::before {
            opacity: 1;
        }
        
        .rule-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: rgba(255,215,0,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            color: var(--accent-gold);
            font-size: 1.5rem;
        }
        
        .rule-card h3 {
            font-size: 1.3rem;
            font-weight: var(--font-weight-bold);
            color: var(--text-white);
            margin-bottom: 12px;
        }
        
        .rule-card p {
            font-size: 0.95rem;
            color: var(--text-pale-mint);
            line-height: 1.6;
            margin-bottom: 0;
        }
        
        .rule-card .rule-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: var(--font-weight-medium);
            padding: 4px 10px;
            border-radius: 4px;
            background: rgba(255,215,0,0.1);
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        
        /* Detailed Rule Sections */
        .detail-rule-block {
            margin-bottom: 48px;
            padding: 32px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
        }
        
        .detail-rule-block h2 {
            font-size: 1.8rem;
            font-weight: var(--font-weight-bold);
            color: var(--text-white);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .detail-rule-block h2 .num-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent-gold);
            color: var(--primary-bg);
            font-weight: var(--font-weight-bold);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        
        .detail-rule-block .rule-points {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }
        
        .detail-rule-block .rule-points li {
            padding: 10px 0 10px 32px;
            position: relative;
            font-size: 1rem;
            color: var(--text-pale-mint);
            line-height: 1.6;
            border-bottom: 1px solid var(--border-soft);
        }
        
        .detail-rule-block .rule-points li:last-child {
            border-bottom: none;
        }
        
        .detail-rule-block .rule-points li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 10px;
            color: var(--accent-lime);
            font-weight: var(--font-weight-bold);
        }
        
        .rule-img-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 24px;
            border: 1px solid var(--border-soft);
        }
        
        .rule-img-wrap img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }
        
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--tertiary-bg) 100%);
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover;
            opacity: 0.15;
            pointer-events: none;
        }
        
        .cta-box {
            background: rgba(10, 46, 28, 0.85);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            z-index: 2;
            box-shadow: var(--shadow-gold);
        }
        
        .cta-box h2 {
            font-size: 2.4rem;
            font-weight: var(--font-weight-bold);
            color: var(--text-white);
            margin-bottom: 16px;
        }
        
        .cta-box p {
            font-size: 1.1rem;
            color: var(--text-pale-mint);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }
        
        .btn-cta-primary {
            display: inline-block;
            background: var(--accent-gold);
            color: var(--primary-bg);
            font-weight: var(--font-weight-bold);
            font-size: 1.05rem;
            padding: 14px 36px;
            border-radius: 8px;
            transition: all 0.3s ease;
            border: none;
            box-shadow: var(--shadow-gold);
        }
        
        .btn-cta-primary:hover {
            background: #FFE033;
            color: var(--primary-bg);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(255,215,0,0.4);
        }
        
        /* FAQ */
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .faq-item:hover {
            border-color: var(--border-gold);
        }
        
        .faq-question {
            padding: 20px 24px;
            font-weight: var(--font-weight-medium);
            color: var(--text-white);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.05rem;
            transition: color 0.25s ease;
            user-select: none;
        }
        
        .faq-question:hover {
            color: var(--accent-gold);
        }
        
        .faq-question .faq-icon {
            color: var(--accent-gold);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            margin-left: 16px;
        }
        
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        
        .faq-answer-inner {
            padding: 0 24px 20px;
            color: var(--text-pale-mint);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        
        /* Footer */
        .footer-section {
            background: #061A0F;
            padding: 56px 0 24px;
            border-top: 1px solid var(--border-soft);
        }
        
        .footer-badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent-red);
            color: var(--text-white);
            font-weight: var(--font-weight-bold);
            font-size: 1rem;
            margin-bottom: 16px;
            border: 2px solid var(--accent-gold);
        }
        
        .footer-brand {
            font-size: 1.2rem;
            font-weight: var(--font-weight-bold);
            color: var(--text-white);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        
        .footer-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        
        .footer-heading {
            font-size: 1rem;
            font-weight: var(--font-weight-bold);
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .footer-links li {
            margin-bottom: 8px;
        }
        
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color 0.25s ease;
        }
        
        .footer-links a:hover {
            color: var(--accent-gold);
        }
        
        .footer-copy {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid var(--border-soft);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        
        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 24px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1A1A 0%, #0A2E1C 100%);
            border: 3px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.5rem;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            cursor: pointer;
            transition: all 0.3s ease;
            opacity: 0.7;
            animation: fabBreathing 3s ease-in-out infinite;
        }
        
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255,215,0,0.5);
        }
        
        .fab-left:active {
            transform: scale(0.95);
        }
        
        .fab-left .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #D32F2F;
            border: 2px solid var(--accent-gold);
            animation: dotBlink 1.5s ease-in-out infinite;
        }
        
        @keyframes fabBreathing {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }
        
        @keyframes dotBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* Responsive */
        @media (max-width: 991.98px) {
            .hero-section h1 {
                font-size: 2.2rem;
            }
            
            .hero-section {
                padding: 50px 0 40px;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
            
            .cta-box h2 {
                font-size: 1.9rem;
            }
            
            .navbar-custom .nav-link {
                padding: 10px 12px !important;
            }
            
            .navbar-custom .navbar-collapse {
                padding-top: 16px;
            }
            
            .navbar-custom .d-flex.gap-2 {
                margin-top: 12px;
                justify-content: flex-start;
            }
        }
        
        @media (max-width: 767.98px) {
            .hero-section h1 {
                font-size: 1.8rem;
            }
            
            .hero-subtitle {
                font-size: 1rem;
            }
            
            .section-block {
                padding: 50px 0;
            }
            
            .detail-rule-block {
                padding: 20px;
            }
            
            .detail-rule-block h2 {
                font-size: 1.4rem;
            }
            
            .cta-box {
                padding: 32px 20px;
            }
            
            .cta-box h2 {
                font-size: 1.5rem;
            }
            
            .hero-visual .floating-tag {
                left: 8px;
                bottom: 12px;
                font-size: 0.75rem;
                padding: 8px 12px;
            }
        }
        
        @media (max-width: 519.98px) {
            .hero-section h1 {
                font-size: 1.5rem;
            }
            
            .hero-stats-row {
                gap: 16px;
            }
            
            .hero-stat-number {
                font-size: 1.5rem;
            }
            
            .section-title {
                font-size: 1.5rem;
            }
            
            .rule-card {
                padding: 20px;
            }
            
            .detail-rule-block .rule-points li {
                padding-left: 26px;
                font-size: 0.9rem;
            }
            
            .navbar-custom .navbar-brand {
                font-size: 1.1rem;
            }
            
            .btn-nav-login, .btn-nav-signup {
                font-size: 0.8rem;
                padding: 6px 14px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep-jungle: #0B3C25;
            --bg-forest: #062315;
            --bg-panel: #0E4A2E;
            --bg-card: #123E25;
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --text-white: #FFFDF0;
            --text-light-green: #C5E2D2;
            --text-muted: #9FBBAD;
            --border-soft: rgba(255, 204, 0, 0.2);
            --border-gold: rgba(255, 204, 0, 0.55);
            --shadow-soft: 0 12px 30px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 8px 24px rgba(255, 204, 0, 0.12);
            --radius-md: 18px;
            --radius-sm: 12px;
            --radius-pill: 50px;
            --transition-base: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background: linear-gradient(160deg, var(--bg-forest) 0%, var(--bg-deep-jungle) 45%, #0A3B22 100%);
            color: var(--text-white);
            line-height: 1.65;
            letter-spacing: 0.01em;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: #FFF5B8;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* NAVBAR */
        .navbar-custom {
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 204, 0, 0.18);
            padding: 16px 0;
            transition: var(--transition-base);
            position: sticky;
            top: 0;
            z-index: 1030;
        }

        .navbar-custom .navbar-brand {
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--text-white);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .navbar-custom .navbar-brand span {
            color: var(--accent-gold);
            display: block;
            font-size: 1.05rem;
            font-weight: 600;
        }

        .navbar-custom .nav-link {
            color: var(--text-light-green);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 14px !important;
            border-radius: 10px;
            transition: var(--transition-base);
            position: relative;
        }

        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link:focus {
            color: var(--accent-gold);
            background: rgba(255, 204, 0, 0.06);
        }

        .navbar-custom .nav-link.active {
            color: var(--accent-gold);
            background: rgba(255, 204, 0, 0.12);
        }

        .btn-nav-login {
            color: var(--text-light-green);
            font-weight: 700;
            padding: 10px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-nav-login:hover {
            color: var(--accent-gold);
            border-color: var(--accent-gold);
            background: rgba(255, 204, 0, 0.05);
        }

        .btn-nav-signup {
            background: linear-gradient(145deg, #FFD800, #FFB300);
            color: #0B3C25;
            font-weight: 800;
            padding: 10px 22px;
            border-radius: 30px;
            font-size: 0.9rem;
            box-shadow: 0 6px 18px rgba(255, 204, 0, 0.25);
            transition: var(--transition-base);
            white-space: nowrap;
            border: none;
        }

        .btn-nav-signup:hover {
            background: linear-gradient(145deg, #FFE44D, #FFC700);
            color: #062315;
            box-shadow: 0 10px 28px rgba(255, 204, 0, 0.35);
            transform: translateY(-2px);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 204, 0, 0.4);
            padding: 8px 10px;
            border-radius: 8px;
            background: rgba(255, 204, 0, 0.08);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23FFCC00' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* HERO */
        .hero-luat {
            padding: 70px 0 60px;
            position: relative;
            overflow: hidden;
            background: radial-gradient(ellipse at 20% 20%, rgba(50, 205, 50, 0.12) 0%, transparent 55%),
                        radial-gradient(ellipse at 85% 70%, rgba(255, 204, 0, 0.1) 0%, transparent 50%);
        }

        .hero-luat::after {
            content: '';
            position: absolute;
            top: -120px;
            right: -100px;
            width: 420px;
            height: 420px;
            background: rgba(255, 204, 0, 0.05);
            border-radius: 50%;
            filter: blur(60px);
            pointer-events: none;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 204, 0, 0.15);
            border: 1px solid rgba(255, 204, 0, 0.4);
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.04em;
            padding: 8px 16px;
            border-radius: 30px;
            text-transform: uppercase;
        }

        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            font-weight: 900;
            letter-spacing: -0.025em;
            line-height: 1.2;
            color: var(--text-white);
            margin: 20px 0 18px;
        }

        .hero-title .highlight {
            color: var(--accent-gold);
            position: relative;
            white-space: nowrap;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-light-green);
            max-width: 680px;
            margin-bottom: 30px;
            line-height: 1.7;
        }

        .hero-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(145deg, #FFD800, #FFAA00);
            color: #0B3C25;
            font-weight: 800;
            padding: 16px 32px;
            border-radius: 40px;
            font-size: 1.05rem;
            box-shadow: 0 14px 30px rgba(255, 204, 0, 0.3);
            transition: var(--transition-base);
            border: none;
        }

        .hero-cta:hover {
            transform: translateY(-4px);
            box-shadow: 0 22px 40px rgba(255, 204, 0, 0.4);
            color: #062315;
        }

        .hero-panel {
            background: rgba(18, 62, 37, 0.65);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 204, 0, 0.25);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-soft);
            position: relative;
        }

        .hero-panel h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .hero-panel ul {
            list-style: none;
            margin-bottom: 0;
        }

        .hero-panel li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 204, 0, 0.1);
            color: var(--text-light-green);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 12px;
        }

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

        .hero-panel i {
            color: var(--accent-lime);
            font-size: 1.1rem;
        }

        /* SECTION COMMON */
        .section-block {
            padding: 60px 0;
            position: relative;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-lime);
            background: rgba(50, 205, 50, 0.1);
            padding: 8px 16px;
            border-radius: 30px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(1.7rem, 3.5vw, 2.4rem);
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 780px;
            line-height: 1.7;
        }

        .divider-gold {
            width: 70px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-lime));
            border-radius: 10px;
            margin: 18px 0 24px;
        }

        /* RULE CARDS */
        .rule-card {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid rgba(255, 204, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition-base);
            height: 100%;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
        }

        .rule-card:hover {
            border-color: rgba(255, 204, 0, 0.6);
            box-shadow: var(--shadow-gold);
            transform: translateY(-6px);
        }

        .rule-icon {
            width: 54px;
            height: 54px;
            background: rgba(255, 204, 0, 0.12);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-gold);
            margin-bottom: 18px;
        }

        .rule-card h3 {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .rule-card p {
            color: var(--text-light-green);
            margin-bottom: 0;
        }

        .rule-tag {
            display: inline-block;
            background: rgba(50, 205, 50, 0.15);
            color: var(--accent-lime);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        /* STEP PROCESS */
        .step-list {
            list-style: none;
            counter-reset: step-counter;
        }

        .step-list li {
            counter-increment: step-counter;
            position: relative;
            padding: 24px 0 24px 72px;
            border-bottom: 1px solid rgba(255, 204, 0, 0.12);
        }

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

        .step-list li::before {
            content: counter(step-counter);
            position: absolute;
            left: 0;
            top: 18px;
            width: 48px;
            height: 48px;
            background: linear-gradient(145deg, #FFD800, #FFB300);
            color: #0B3C25;
            font-weight: 900;
            font-size: 1.2rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(255, 204, 0, 0.3);
        }

        .step-list h4 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 6px;
        }

        .step-list p {
            color: var(--text-light-green);
            margin-bottom: 0;
        }

        /* TIP BANNER */
        .tip-banner {
            background: linear-gradient(135deg, rgba(255, 204, 0, 0.1), rgba(50, 205, 50, 0.08));
            border: 1px solid rgba(255, 204, 0, 0.35);
            border-radius: var(--radius-md);
            padding: 28px;
            position: relative;
            overflow: hidden;
        }

        .tip-banner::before {
            content: '\f0e7';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: -20px;
            bottom: -30px;
            font-size: 12rem;
            color: rgba(255, 204, 0, 0.06);
            pointer-events: none;
        }

        .tip-banner h3 {
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
            font-size: 1.4rem;
        }

        /* FAQ */
        .faq-item {
            background: rgba(18, 62, 37, 0.6);
            border: 1px solid rgba(255, 204, 0, 0.18);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(255, 204, 0, 0.4);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            color: var(--text-white);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 1.05rem;
        }

        .faq-question i {
            color: var(--accent-gold);
            transition: var(--transition-base);
            font-size: 1.1rem;
        }

        .faq-question.collapsed i {
            transform: rotate(0deg);
        }

        .faq-question:not(.collapsed) i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-light-green);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: radial-gradient(ellipse at center, rgba(255, 204, 0, 0.12) 0%, transparent 70%);
            border-radius: var(--radius-md);
            padding: 60px 40px;
            text-align: center;
            border: 1px solid rgba(255, 204, 0, 0.25);
        }

        .cta-section h2 {
            font-weight: 900;
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .cta-section p {
            color: var(--text-light-green);
            max-width: 600px;
            margin: 0 auto 28px;
        }

        .btn-gold-outline {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 800;
            padding: 14px 34px;
            border-radius: 40px;
            transition: var(--transition-base);
            font-size: 1rem;
        }

        .btn-gold-outline:hover {
            background: var(--accent-gold);
            color: #0B3C25;
            border-color: var(--accent-gold);
            box-shadow: 0 12px 30px rgba(255, 204, 0, 0.3);
        }

        /* FAB */
        .fab-float {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1060;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 20%, #FFE44D, #D4A000);
            border: 2px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35), 0 0 0 4px rgba(255, 204, 0, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #0B3C25;
            transition: var(--transition-base);
            cursor: pointer;
            opacity: 0.85;
        }

        .fab-float:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5), 0 0 0 6px rgba(255, 204, 0, 0.2);
        }

        .fab-float .badge-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #FFF;
            animation: pulse-dot 1.8s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.25); opacity: 0.7; }
        }

        /* FOOTER */
        .footer-section {
            background: #041B0E;
            padding: 60px 0 24px;
            border-top: 1px solid rgba(255, 204, 0, 0.15);
            margin-top: 60px;
        }

        .footer-brand {
            font-weight: 900;
            font-size: 1.3rem;
            color: var(--accent-gold);
            margin: 14px 0 10px;
            line-height: 1.3;
        }

        .footer-badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: #D32F2F;
            color: #FFF;
            font-weight: 900;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

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

        .footer-heading {
            font-size: 1rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 18px;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }

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

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

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

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

        .footer-copy {
            border-top: 1px solid rgba(255, 204, 0, 0.12);
            margin-top: 36px;
            padding-top: 20px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* RESPONSIVE */
        @media (max-width: 991.98px) {
            .navbar-custom .navbar-collapse {
                background: rgba(6, 35, 21, 0.98);
                border-radius: 16px;
                padding: 20px;
                margin-top: 14px;
                border: 1px solid rgba(255, 204, 0, 0.2);
            }
            .navbar-custom .nav-link {
                padding: 12px 16px !important;
            }
            .d-flex.gap-2 {
                margin-top: 12px;
                flex-wrap: wrap;
            }
            .hero-luat {
                padding: 50px 0 40px;
            }
            .section-block {
                padding: 40px 0;
            }
            .cta-section {
                padding: 40px 24px;
            }
        }

        @media (max-width: 767.98px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-panel {
                margin-top: 28px;
                padding: 22px;
            }
            .rule-card {
                padding: 22px;
            }
            .step-list li {
                padding-left: 60px;
                padding-top: 18px;
                padding-bottom: 18px;
            }
            .step-list li::before {
                width: 42px;
                height: 42px;
                font-size: 1rem;
                top: 16px;
            }
            .fab-float {
                width: 50px;
                height: 50px;
                font-size: 1.3rem;
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .hero-title {
                font-size: 1.75rem;
            }
            .btn-nav-login,
            .btn-nav-signup {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .hero-cta {
                padding: 14px 24px;
                font-size: 0.95rem;
            }
            .footer-section {
                padding: 40px 0 20px;
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #9BB8A9;
            --card-bg: #0F3522;
            --card-border: rgba(255, 215, 0, 0.25);
            --border-radius-sm: 8px;
            --border-radius-md: 16px;
            --border-radius-lg: 24px;
            --shadow-glow: 0 4px 20px rgba(255, 215, 0, 0.15);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --spacing-xl: 6rem;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
            --line-height-body: 1.6;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: var(--line-height-body);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.3;
            margin-bottom: 1rem;
        }
        
        h1 {
            font-size: 2.5rem;
            letter-spacing: -0.5px;
        }
        
        h2 {
            font-size: 2rem;
            letter-spacing: -0.3px;
        }
        
        h3 {
            font-size: 1.4rem;
            letter-spacing: -0.2px;
        }
        
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color 0.25s ease, transform 0.25s ease;
        }
        
        a:hover {
            color: #FFE44D;
            text-decoration: none;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        
        /* ===== NAVBAR ===== */
        .navbar-custom {
            background: rgba(10, 46, 28, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            padding: 14px 0;
            transition: all 0.3s ease;
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        
        .navbar-custom .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-white);
            letter-spacing: -0.3px;
            line-height: 1.2;
        }
        
        .navbar-custom .navbar-brand span {
            color: var(--accent-gold);
            display: block;
            font-size: 0.95rem;
            font-weight: 600;
        }
        
        .navbar-custom .nav-link {
            color: var(--text-mint);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            margin: 0 4px;
            border-radius: 6px;
            transition: all 0.25s ease;
        }
        
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
        }
        
        .navbar-custom .nav-link.active {
            font-weight: 700;
            border-bottom: 2px solid var(--accent-gold);
        }
        
        .btn-nav-login {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 9px 18px;
            border-radius: 8px;
            transition: all 0.25s ease;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: transparent;
        }
        
        .btn-nav-login:hover {
            color: var(--accent-gold);
            border-color: var(--accent-gold);
            transform: translateY(-1px);
        }
        
        .btn-nav-signup {
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            color: #0A2E1C;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 8px;
            border: none;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }
        
        .btn-nav-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.5);
            color: #0A2E1C;
        }
        
        .navbar-toggler {
            border-color: rgba(255, 215, 0, 0.4);
        }
        
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 215, 0, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        
        /* ===== HERO ===== */
        .hero-section {
            background-image: linear-gradient(135deg, rgba(10, 46, 28, 0.95) 0%, rgba(18, 62, 37, 0.85) 100%), url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            padding: 5rem 0 4rem;
            position: relative;
            border-bottom: 3px solid rgba(255, 215, 0, 0.3);
        }
        
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
        }
        
        .hero-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 50px;
            border: 1px solid rgba(255, 215, 0, 0.3);
            margin-bottom: 1.5rem;
            letter-spacing: 0.5px;
        }
        
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1.15;
            margin-bottom: 1.2rem;
            max-width: 700px;
        }
        
        .hero-title .highlight {
            color: var(--accent-gold);
            position: relative;
        }
        
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-mint);
            max-width: 580px;
            line-height: 1.7;
            margin-bottom: 2rem;
        }
        
        .hero-stats {
            display: flex;
            gap: 2rem;
            margin-top: 2.5rem;
            flex-wrap: wrap;
        }
        
        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        
        .hero-stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
        }
        
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        
        .hero-cta-group {
            display: flex;
            gap: 1rem;
            margin-top: 2rem;
            flex-wrap: wrap;
        }
        
        .btn-primary-custom {
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            color: #0A2E1C;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 12px;
            border: none;
            transition: all 0.3s ease;
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.35);
        }
        
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 36px rgba(255, 215, 0, 0.55);
            color: #0A2E1C;
        }
        
        .btn-outline-custom {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: 12px;
            border: 2px solid rgba(255, 215, 0, 0.5);
            transition: all 0.3s ease;
        }
        
        .btn-outline-custom:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            transform: translateY(-3px);
        }
        
        .hero-visual {
            position: relative;
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 2px solid rgba(255, 215, 0, 0.3);
        }
        
        .hero-visual img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        
        .hero-visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(0deg, rgba(10, 46, 28, 0.95) 0%, transparent 100%);
            padding: 3rem 1.5rem 1.5rem;
        }
        
        .hero-visual-overlay h5 {
            color: var(--accent-gold);
            margin-bottom: 0.5rem;
        }
        
        .hero-visual-overlay p {
            color: var(--text-mint);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        
        /* ===== SECTION COMMON ===== */
        .section-padding {
            padding: 4.5rem 0;
        }
        
        .section-label {
            display: inline-block;
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 50px;
            border: 1px solid rgba(255, 215, 0, 0.25);
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
        }
        
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 1rem;
        }
        
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-mint);
            max-width: 700px;
            line-height: 1.7;
        }
        
        /* ===== STRATEGY CARDS ===== */
        .strategy-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--border-radius-md);
            padding: 2rem;
            height: 100%;
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }
        
        .strategy-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .strategy-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
            border-color: rgba(255, 215, 0, 0.5);
        }
        
        .strategy-card:hover::before {
            opacity: 1;
        }
        
        .strategy-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.2rem;
            font-size: 1.5rem;
            color: var(--accent-gold);
            border: 1px solid rgba(255, 215, 0, 0.25);
        }
        
        .strategy-card h3 {
            font-size: 1.2rem;
            margin-bottom: 0.75rem;
            color: var(--text-white);
        }
        
        .strategy-card p {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        
        /* ===== TIPS SHOWCASE ===== */
        .tips-showcase {
            background: var(--secondary-bg);
            border-radius: var(--border-radius-lg);
            padding: 3rem;
            border: 1px solid rgba(255, 215, 0, 0.15);
            position: relative;
            overflow: hidden;
        }
        
        .tips-showcase::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.05) 0%, transparent 70%);
            border-radius: 50%;
        }
        
        .tip-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        
        .tip-item:last-child {
            border-bottom: none;
        }
        
        .tip-number {
            width: 36px;
            height: 36px;
            min-width: 36px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 215, 0, 0.3);
        }
        
        .tip-content h4 {
            font-size: 1rem;
            margin-bottom: 0.3rem;
            color: var(--text-white);
        }
        
        .tip-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        
        /* ===== FEATURE TABLE ===== */
        .feature-block {
            background: var(--card-bg);
            border-radius: var(--border-radius-md);
            padding: 2.5rem;
            border: 1px solid rgba(255, 215, 0, 0.15);
            height: 100%;
            transition: all 0.3s ease;
        }
        
        .feature-block:hover {
            border-color: rgba(255, 215, 0, 0.4);
            box-shadow: var(--shadow-glow);
        }
        
        .feature-block h3 {
            color: var(--accent-gold);
            font-size: 1.3rem;
            margin-bottom: 1rem;
        }
        
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .feature-list li {
            padding: 0.5rem 0;
            color: var(--text-mint);
            font-size: 0.95rem;
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
        }
        
        .feature-list li i {
            color: var(--accent-gold);
            margin-top: 4px;
            font-size: 0.8rem;
        }
        
        /* ===== FAQ ===== */
        .faq-section {
            background: var(--secondary-bg);
        }
        
        .accordion-custom .accordion-item {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--border-radius-sm) !important;
            margin-bottom: 0.75rem;
            overflow: hidden;
        }
        
        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 1.2rem 1.5rem;
            box-shadow: none;
        }
        
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            box-shadow: none;
        }
        
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(255, 215, 0, 0.3);
        }
        
        .accordion-custom .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23FFD700'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }
        
        .accordion-custom .accordion-body {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.7;
            padding: 1rem 1.5rem 1.5rem;
        }
        
        /* ===== CTA ===== */
        .cta-section {
            background-image: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(10, 46, 28, 0.95) 100%), url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            border-radius: var(--border-radius-lg);
            padding: 3.5rem;
            border: 1px solid rgba(255, 215, 0, 0.3);
            text-align: center;
        }
        
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        
        .cta-section p {
            color: var(--text-mint);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        
        /* ===== FLOATING ACTION BUTTON ===== */
        .fab-custom {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1060;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0A2E1C, #123E25);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-gold);
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all 0.35s ease;
            animation: fabBreathing 3s ease-in-out infinite;
        }
        
        .fab-custom:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.55);
            opacity: 1;
        }
        
        .fab-custom:active {
            transform: scale(0.95) translateY(2px);
        }
        
        .fab-custom::after {
            content: '';
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid var(--primary-bg);
            animation: blinkDot 1.5s ease-in-out infinite;
        }
        
        @keyframes fabBreathing {
            0%, 100% { opacity: 0.7; }
            50% { opacity: 1; }
        }
        
        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* ===== FOOTER ===== */
        .footer-section {
            background: #081F14;
            border-top: 2px solid rgba(255, 215, 0, 0.3);
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }
        
        .footer-badge-18 {
            display: inline-block;
            background: var(--accent-red);
            color: white;
            font-weight: 800;
            font-size: 0.9rem;
            padding: 4px 12px;
            border-radius: 6px;
            margin-bottom: 1rem;
            letter-spacing: 1px;
        }
        
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1rem;
            line-height: 1.4;
        }
        
        .footer-text {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        
        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 1.2rem;
        }
        
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .footer-links li {
            margin-bottom: 0.6rem;
        }
        
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: all 0.25s ease;
        }
        
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        
        .footer-copy {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        
        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.5rem;
            }
            
            .hero-visual img {
                height: 340px;
            }
            
            .tips-showcase {
                padding: 2rem;
            }
            
            .cta-section {
                padding: 2.5rem;
            }
        }
        
        @media (max-width: 768px) {
            .hero-section {
                padding: 3rem 0 2.5rem;
            }
            
            .hero-title {
                font-size: 2rem;
            }
            
            .hero-subtitle {
                font-size: 1rem;
            }
            
            .hero-stats {
                gap: 1.5rem;
            }
            
            .hero-stat-number {
                font-size: 1.5rem;
            }
            
            .section-padding {
                padding: 3rem 0;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
            
            .strategy-card {
                padding: 1.5rem;
            }
            
            .tips-showcase {
                padding: 1.5rem;
            }
            
            .feature-block {
                padding: 1.8rem;
            }
            
            .cta-section {
                padding: 2rem;
            }
            
            .cta-section h2 {
                font-size: 1.8rem;
            }
            
            .navbar-custom .navbar-brand {
                font-size: 1.1rem;
            }
            
            .navbar-custom .d-flex {
                flex-direction: row;
                gap: 0.5rem !important;
                margin-top: 0.5rem;
            }
            
            .btn-nav-login,
            .btn-nav-signup {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
        }
        
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            
            .hero-visual img {
                height: 240px;
            }
            
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            
            .btn-primary-custom,
            .btn-outline-custom {
                width: 100%;
                text-align: center;
            }
            
            .section-title {
                font-size: 1.5rem;
            }
            
            .fab-custom {
                width: 52px;
                height: 52px;
                font-size: 1.3rem;
                left: 0.75rem;
                bottom: 5rem;
            }
            
            .strategy-card h3 {
                font-size: 1.05rem;
            }
            
            .feature-block h3 {
                font-size: 1.1rem;
            }
        }