/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary-bg: #450A0A;
            --secondary-bg: #2B0404;
            --deep-wine: #1A0202;
            --accent-gold: #FBBF24;
            --accent-gold-light: #FDE68A;
            --accent-mandarine: #F97316;
            --accent-red: #DC2626;
            --text-primary: #FFFBEB;
            --text-secondary: #F5E6D3;
            --text-muted: #E7E5E4;
            --text-dim: #B8A99A;
            --border-gold: rgba(251, 191, 36, 0.35);
            --border-soft: rgba(251, 191, 36, 0.18);
            --card-bg: rgba(43, 4, 4, 0.75);
            --card-bg-solid: #3A0808;
            --shadow-glow: 0 6px 25px rgba(251, 191, 36, 0.15);
            --shadow-glow-strong: 0 8px 35px rgba(251, 191, 36, 0.28);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --font-family: 'Be Vietnam Pro', 'Segoe UI', sans-serif;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 72px;
            --spacing-container: 1200px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: var(--font-family);
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.62;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0 0 0.5em;
            line-height: 1.28;
            font-weight: 800;
            letter-spacing: -0.015em;
        }

        p { margin: 0 0 1em; }

        .container-custom {
            max-width: var(--spacing-container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(26, 2, 2, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-soft);
            padding: 14px 0;
            transition: padding var(--transition), background var(--transition);
        }
        .site-header.scrolled {
            padding: 8px 0;
            background: rgba(26, 2, 2, 0.98);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 900;
            color: var(--accent-gold);
            white-space: nowrap;
            letter-spacing: -0.02em;
        }
        .logo-brand i {
            font-size: 1.7rem;
            color: var(--accent-gold);
        }
        .logo-brand span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 99px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-muted);
            white-space: nowrap;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .nav-links li a:hover, .nav-links li a:focus {
            color: var(--accent-gold);
            border-color: var(--border-gold);
            background: rgba(251, 191, 36, 0.08);
        }
        .nav-links li a.active {
            color: var(--accent-gold);
            border-color: var(--border-gold);
            background: rgba(251, 191, 36, 0.14);
        }
        .header-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            padding: 9px 20px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--accent-gold);
            border: 1.5px solid var(--border-gold);
            border-radius: 99px;
            background: transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover, .btn-login:focus {
            background: rgba(251, 191, 36, 0.14);
            color: var(--accent-gold-light);
            border-color: var(--accent-gold);
        }
        .btn-register {
            padding: 9px 22px;
            font-size: 0.88rem;
            font-weight: 800;
            color: #2B0404;
            border-radius: 99px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: var(--shadow-glow);
        }
        .btn-register:hover, .btn-register:focus {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            box-shadow: var(--shadow-glow-strong);
            transform: translateY(-1px);
            color: #1A0202;
        }
        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--accent-gold);
            padding: 4px 8px;
            border-radius: 6px;
            border: 1px solid var(--border-soft);
            background: transparent;
        }

        /* ===== Hero Section ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 130px 0 70px;
            background: linear-gradient(160deg, rgba(26, 2, 2, 0.92) 0%, rgba(69, 10, 10, 0.85) 45%, rgba(43, 4, 4, 0.9) 100%);
            overflow: hidden;
        }
        .hero-bg-image {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
            opacity: 0.28;
        }
        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 35% 50%, rgba(251, 191, 36, 0.12) 0%, transparent 55%),
                        radial-gradient(ellipse at 75% 40%, rgba(220, 38, 38, 0.18) 0%, transparent 50%),
                        linear-gradient(180deg, rgba(26, 2, 2, 0.55) 0%, rgba(43, 4, 4, 0.4) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-badge-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 22px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 7px 16px;
            border-radius: 99px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.025em;
            text-transform: uppercase;
            border: 1px solid;
        }
        .hero-badge.fire {
            color: #FCA5A5;
            border-color: rgba(220, 38, 38, 0.5);
            background: rgba(220, 38, 38, 0.15);
        }
        .hero-badge.gold {
            color: var(--accent-gold);
            border-color: var(--border-gold);
            background: rgba(251, 191, 36, 0.12);
        }
        .hero-title {
            font-size: clamp(2.3rem, 5.5vw, 3.8rem);
            font-weight: 900;
            line-height: 1.14;
            margin-bottom: 20px;
            letter-spacing: -0.025em;
            color: var(--text-primary);
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: 1.08rem;
            line-height: 1.65;
            color: var(--text-muted);
            max-width: 620px;
            margin-bottom: 28px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            margin-bottom: 28px;
        }
        .btn-primary-hero {
            padding: 14px 34px;
            font-size: 1rem;
            font-weight: 800;
            border-radius: 99px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            color: #1A0202;
            border: none;
            transition: all var(--transition);
            box-shadow: var(--shadow-glow-strong);
        }
        .btn-primary-hero:hover, .btn-primary-hero:focus {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(251, 191, 36, 0.4);
            color: #1A0202;
        }
        .btn-secondary-hero {
            padding: 13px 28px;
            font-size: 0.95rem;
            font-weight: 700;
            border-radius: 99px;
            background: rgba(255, 251, 235, 0.07);
            color: var(--text-primary);
            border: 1.5px solid var(--border-soft);
            transition: all var(--transition);
            backdrop-filter: blur(8px);
        }
        .btn-secondary-hero:hover, .btn-secondary-hero:focus {
            background: rgba(255, 251, 235, 0.14);
            border-color: var(--border-gold);
            color: var(--accent-gold);
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-value {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 0.82rem;
            color: var(--text-dim);
            letter-spacing: 0.02em;
        }
        .hero-poster {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: center;
        }
        .hero-poster-frame {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), var(--shadow-glow);
            max-width: 460px;
            width: 100%;
        }
        .hero-poster-frame img {
            width: 100%;
            height: auto;
            object-fit: cover;
            display: block;
        }
        .hero-poster-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px 18px 16px;
            background: linear-gradient(0deg, rgba(26, 2, 2, 0.9) 0%, transparent 100%);
        }
        .hero-poster-caption span {
            font-size: 0.82rem;
            color: var(--accent-gold);
            font-weight: 700;
        }
        .hero-poster-tag {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--accent-red);
            color: #fff;
            padding: 6px 14px;
            border-radius: 99px;
            font-size: 0.72rem;
            font-weight: 800;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            box-shadow: 0 4px 14px rgba(220, 38, 38, 0.4);
        }

        /* ===== Section Base ===== */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background: var(--secondary-bg);
        }
        .section-deep {
            background: var(--deep-wine);
        }
        .section-label {
            display: inline-block;
            padding: 6px 14px;
            font-size: 0.76rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-gold);
            border: 1px solid var(--border-gold);
            border-radius: 99px;
            margin-bottom: 14px;
            background: rgba(251, 191, 36, 0.06);
        }
        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        .section-desc {
            font-size: 1rem;
            line-height: 1.65;
            color: var(--text-muted);
            max-width: 720px;
            margin-bottom: 30px;
        }

        /* ===== Feature Cards ===== */
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            transition: all var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-gold), transparent);
            opacity: 0.7;
        }
        .feature-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .feature-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 14px;
            display: block;
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--accent-gold-light);
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== List / Pros Cons ===== */
        .pros-cons-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .pros-card, .cons-card {
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-soft);
        }
        .pros-card {
            background: rgba(16, 90, 60, 0.18);
            border-color: rgba(16, 185, 129, 0.3);
        }
        .cons-card {
            background: rgba(220, 38, 38, 0.1);
            border-color: rgba(220, 38, 38, 0.28);
        }
        .pros-card h3, .cons-card h3 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .pros-card h3 { color: #6EE7B7; }
        .cons-card h3 { color: #FCA5A5; }
        .pros-card ul, .cons-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .pros-card ul li, .cons-card ul li {
            padding: 7px 0;
            font-size: 0.92rem;
            color: var(--text-muted);
            display: flex;
            align-items: flex-start;
            gap: 9px;
        }
        .pros-card ul li i { color: #34D399; margin-top: 3px; }
        .cons-card ul li i { color: #F87171; margin-top: 3px; }

        /* ===== Strategy Cards ===== */
        .strategy-card {
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            height: 100%;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .strategy-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-glow);
        }
        .strategy-num {
            font-size: 0.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        .strategy-card h3 {
            font-size: 1.1rem;
            margin-bottom: 4px;
            color: var(--accent-gold-light);
        }
        .strategy-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== Category Portal ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .category-card {
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .category-card img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            display: block;
        }
        .category-card-body {
            padding: 18px 18px 20px;
            flex: 1;
        }
        .category-card-body h3 {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--accent-gold-light);
            margin-bottom: 6px;
        }
        .category-card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== Data Stats ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-block {
            text-align: center;
            padding: 22px 14px;
            border-radius: var(--radius-md);
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
        }
        .stat-block .stat-num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1.2;
        }
        .stat-block .stat-label {
            font-size: 0.84rem;
            color: var(--text-dim);
            margin-top: 4px;
        }

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .step-card {
            padding: 22px;
            border-radius: var(--radius-md);
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            position: relative;
            transition: all var(--transition);
        }
        .step-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-glow);
        }
        .step-num {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 8px;
            display: block;
        }
        .step-card h3 {
            font-size: 1.05rem;
            color: var(--accent-gold-light);
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ===== CMS List ===== */
        .cms-list-section {
            background: var(--secondary-bg);
        }
        .cms-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
        }
        .cms-main-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .cms-item {
            display: flex;
            gap: 16px;
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 16px;
            transition: all var(--transition);
            align-items: flex-start;
        }
        .cms-item:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-glow);
        }
        .cms-item img {
            width: 110px;
            height: 80px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .cms-item-body {
            flex: 1;
            min-width: 0;
        }
        .cms-item-body h3 {
            font-size: 0.98rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--accent-gold-light);
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .cms-item-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0 0 6px;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .cms-meta {
            font-size: 0.76rem;
            color: var(--text-dim);
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .cms-sidebar {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .cms-sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 16px;
        }
        .cms-sidebar-card h4 {
            font-size: 0.92rem;
            color: var(--accent-gold);
            margin-bottom: 10px;
            font-weight: 700;
        }
        .cms-sidebar-item {
            padding: 8px 0;
            border-bottom: 1px solid rgba(251, 191, 36, 0.08);
            font-size: 0.86rem;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .cms-sidebar-item:hover { color: var(--accent-gold); }
        .cms-sidebar-item:last-child { border-bottom: none; }

        /* ===== Testimonials ===== */
        .testimonial-wall {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .testimonial-bubble {
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            transition: all var(--transition);
        }
        .testimonial-bubble:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-glow);
        }
        .testimonial-bubble .avatar-img {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: #1A0202;
            font-size: 1rem;
            margin-bottom: 10px;
        }
        .testimonial-bubble p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0 0 10px;
            line-height: 1.6;
        }
        .testimonial-bubble .author {
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--accent-gold-light);
        }
        .testimonial-bubble .author-sub {
            font-size: 0.74rem;
            color: var(--text-dim);
        }

        /* ===== Trust / Security ===== */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .trust-item {
            text-align: center;
            padding: 18px 12px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
        }
        .trust-item i {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }
        .trust-item h4 {
            font-size: 0.92rem;
            color: var(--accent-gold-light);
            font-weight: 700;
            margin-bottom: 4px;
        }
        .trust-item p {
            font-size: 0.8rem;
            color: var(--text-dim);
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-gold);
        }
        .faq-question {
            padding: 16px 20px;
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .faq-question i {
            font-size: 0.9rem;
            color: var(--accent-gold);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 20px 16px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--deep-wine) 0%, #450A0A 40%, #3A0808 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 48px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at 50% 50%, rgba(251, 191, 36, 0.1) 0%, transparent 55%);
            z-index: 0;
        }
        .cta-section > * {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.2rem);
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 24px;
            font-size: 1rem;
        }
        .btn-cta-gold {
            padding: 15px 40px;
            font-size: 1.05rem;
            font-weight: 800;
            border-radius: 99px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            color: #1A0202;
            border: none;
            transition: all var(--transition);
            box-shadow: 0 10px 30px rgba(251, 191, 36, 0.35);
        }
        .btn-cta-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 45px rgba(251, 191, 36, 0.45);
            color: #1A0202;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--deep-wine);
            border-top: 1px solid var(--border-soft);
            padding: 50px 0 24px;
            margin-top: 50px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-brand {
            font-size: 1.1rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }
        .footer-desc {
            font-size: 0.86rem;
            color: var(--text-dim);
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 0.92rem;
            color: var(--accent-gold-light);
            font-weight: 700;
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            font-size: 0.86rem;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(251, 191, 36, 0.12);
            padding-top: 18px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-dim);
            margin: 0;
        }
        .payment-badges {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .payment-badge {
            padding: 4px 10px;
            font-size: 0.72rem;
            font-weight: 700;
            border-radius: 6px;
            border: 1px solid var(--border-soft);
            color: var(--text-muted);
        }

        /* ===== FAB ===== */
        .fab-royal {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #FDE68A, #FBBF24 55%, #B45309);
            border: 2px solid var(--accent-gold);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35), inset 0 2px 6px rgba(255, 255, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition);
            opacity: 0.82;
            animation: fab-breathe 3s ease-in-out infinite;
        }
        .fab-royal i {
            font-size: 1.5rem;
            color: #1A0202;
        }
        .fab-royal:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 10px 35px rgba(245, 158, 11, 0.5), inset 0 2px 8px rgba(255, 255, 255, 0.3);
        }
        .fab-royal:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-royal .fab-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #FFFBEB;
        }
        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
            }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .testimonial-wall { grid-template-columns: repeat(2, 1fr); }
            .trust-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-row { grid-template-columns: repeat(2, 1fr); }
            .cms-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 44px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(26, 2, 2, 0.98);
                border-bottom: 1px solid var(--border-soft);
                padding: 12px 20px;
                gap: 2px;
                align-items: stretch;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                text-align: left;
                padding: 10px 14px;
                border-radius: 8px;
            }
            .pros-cons-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .testimonial-wall { grid-template-columns: 1fr; }
            .trust-grid { grid-template-columns: 1fr 1fr; }
            .stats-row { grid-template-columns: 1fr 1fr; }
            .hero-section { padding: 110px 0 50px; }
            .hero-poster { margin-top: 30px; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; align-items: flex-start; }
            .header-cta-group .btn-login { padding: 8px 14px; font-size: 0.8rem; }
            .header-cta-group .btn-register { padding: 8px 16px; font-size: 0.8rem; }
            .logo-brand { font-size: 1rem; }
            .logo-brand i { font-size: 1.4rem; }
        }

        @media (max-width: 520px) {
            .stats-row { grid-template-columns: 1fr; }
            .trust-grid { grid-template-columns: 1fr; }
            .hero-cta-group { flex-direction: column; align-items: stretch; }
            .btn-primary-hero, .btn-secondary-hero { width: 100%; text-align: center; }
            .cms-item { flex-direction: column; }
            .cms-item img { width: 100%; height: 150px; }
            .cta-section { padding: 30px 18px; }
            .hero-badge { font-size: 0.7rem; padding: 5px 10px; }
            .hero-poster-frame { max-width: 100%; }
        }

/* roulang page: article */
:root {
            --primary-bg: #450A0A;
            --secondary-bg: #2B0404;
            --deep-wine: #1A0202;
            --accent-gold: #FBBF24;
            --accent-gold-light: #FDE68A;
            --accent-mandarine: #F97316;
            --accent-red: #DC2626;
            --text-primary: #FFFBEB;
            --text-secondary: #F5E6D3;
            --text-muted: #E7E5E4;
            --text-dim: #B8A99A;
            --border-gold: rgba(251, 191, 36, 0.35);
            --border-soft: rgba(251, 191, 36, 0.18);
            --card-bg: rgba(43, 4, 4, 0.75);
            --card-bg-solid: #3A0808;
            --shadow-glow: 0 6px 25px rgba(251, 191, 36, 0.15);
            --shadow-glow-strong: 0 8px 35px rgba(251, 191, 36, 0.28);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --font-family: 'Be Vietnam Pro', 'Segoe UI', sans-serif;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 72px;
            --spacing-container: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: var(--font-family);
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.62;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        a:hover,
        a:focus {
            color: var(--accent-gold);
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container-custom {
            max-width: var(--spacing-container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(26, 2, 2, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-soft);
            padding: 14px 0;
            transition: padding var(--transition), background var(--transition);
        }

        .site-header.scrolled {
            padding: 8px 0;
            background: rgba(26, 2, 2, 0.98);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 900;
            color: var(--accent-gold);
            white-space: nowrap;
            letter-spacing: -0.02em;
        }

        .logo-brand i {
            font-size: 1.7rem;
            color: var(--accent-gold);
        }

        .logo-brand span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 99px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-muted);
            white-space: nowrap;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .nav-links li a:hover,
        .nav-links li a:focus {
            color: var(--accent-gold);
            border-color: var(--border-gold);
            background: rgba(251, 191, 36, 0.08);
        }

        .nav-links li a.active {
            color: var(--accent-gold);
            border-color: var(--border-gold);
            background: rgba(251, 191, 36, 0.14);
        }

        .header-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 9px 20px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--accent-gold);
            border: 1.5px solid var(--border-gold);
            border-radius: 99px;
            background: transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover,
        .btn-login:focus {
            background: rgba(251, 191, 36, 0.14);
            color: var(--accent-gold-light);
            border-color: var(--accent-gold);
        }

        .btn-register {
            padding: 9px 22px;
            font-size: 0.88rem;
            font-weight: 800;
            color: #2B0404;
            border-radius: 99px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: var(--shadow-glow);
        }

        .btn-register:hover,
        .btn-register:focus {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            box-shadow: var(--shadow-glow-strong);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--accent-gold);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-soft);
            background: rgba(43, 4, 4, 0.6);
            transition: all var(--transition);
        }

        .nav-toggle:hover,
        .nav-toggle:focus {
            background: rgba(251, 191, 36, 0.12);
            border-color: var(--border-gold);
        }

        /* Article page specific */
        .article-page {
            padding-top: 78px;
        }

        .breadcrumb-wrap {
            padding: 24px 0 8px;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-dim);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--border-gold);
            font-weight: 600;
        }

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

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

        .breadcrumb .current {
            color: var(--accent-gold);
            font-weight: 600;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 320px;
        }

        .article-hero {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            padding: 16px 0 28px;
        }

        .article-meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            margin-bottom: 12px;
        }

        .article-category-badge {
            display: inline-block;
            padding: 6px 16px;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 99px;
            background: rgba(251, 191, 36, 0.14);
            color: var(--accent-gold);
            border: 1px solid var(--border-gold);
            letter-spacing: 0.02em;
        }

        .article-date {
            font-size: 0.85rem;
            color: var(--text-dim);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-date i {
            color: var(--accent-mandarine);
        }

        .article-read-time {
            font-size: 0.85rem;
            color: var(--text-dim);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-read-time i {
            color: var(--accent-mandarine);
        }

        .article-title {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin: 0 0 16px;
        }

        .article-excerpt {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 860px;
            margin: 0;
        }

        .article-cover {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            box-shadow: var(--shadow-glow);
            margin-bottom: 8px;
        }

        .article-cover img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/9;
        }

        .article-body {
            background: var(--secondary-bg);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            border: 1px solid var(--border-soft);
            margin-bottom: 24px;
        }

        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin: 1.6em 0 0.7em;
            letter-spacing: -0.01em;
        }

        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            margin: 1.4em 0 0.6em;
        }

        .article-body p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 1.1em;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 24px;
            margin: 0 0 1.1em;
            color: var(--text-secondary);
        }

        .article-body li {
            line-height: 1.7;
            margin-bottom: 6px;
        }

        .article-body img {
            border-radius: var(--radius-sm);
            margin: 16px 0;
        }

        .article-body a {
            color: var(--accent-gold);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body strong,
        .article-body b {
            color: var(--accent-gold-light);
            font-weight: 700;
        }

        .article-not-found {
            padding: 48px 28px;
            text-align: center;
            background: var(--secondary-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
        }

        .article-not-found h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .article-not-found p {
            color: var(--text-dim);
            margin-bottom: 20px;
        }

        .btn-back-home {
            display: inline-block;
            padding: 12px 28px;
            font-size: 0.9rem;
            font-weight: 800;
            color: #2B0404;
            border-radius: 99px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            transition: all var(--transition);
            box-shadow: var(--shadow-glow);
        }

        .btn-back-home:hover,
        .btn-back-home:focus {
            box-shadow: var(--shadow-glow-strong);
            transform: translateY(-1px);
            color: #2B0404;
        }

        .article-tips {
            background: var(--deep-wine);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-gold);
            padding: 28px 26px;
            margin-bottom: 24px;
        }

        .article-tips h3 {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .article-tips h3 i {
            color: var(--accent-mandarine);
        }

        .tips-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 14px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .tips-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .tips-list li i {
            color: var(--accent-gold);
            flex-shrink: 0;
            margin-top: 3px;
        }

        .payment-strip {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: var(--deep-wine);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            padding: 20px 26px;
            margin-bottom: 24px;
        }

        .payment-strip-left {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .payment-strip-left i {
            font-size: 2rem;
            color: var(--accent-gold);
        }

        .payment-strip-left .payment-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 2px;
        }

        .payment-strip-left .payment-sub {
            font-size: 0.85rem;
            color: var(--text-dim);
        }

        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .payment-badge {
            padding: 7px 16px;
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: 99px;
            background: rgba(251, 191, 36, 0.12);
            color: var(--accent-gold);
            border: 1px solid var(--border-gold);
            transition: all var(--transition);
        }

        .payment-badge:hover {
            background: rgba(251, 191, 36, 0.2);
        }

        .related-reads {
            margin-bottom: 24px;
        }

        .related-reads .section-heading {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 18px;
        }

        .related-card {
            background: var(--secondary-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            overflow: hidden;
            transition: all var(--transition);
        }

        .related-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .related-card img {
            aspect-ratio: 16/9;
            width: 100%;
            height: auto;
            object-fit: cover;
            border-bottom: 1px solid var(--border-soft);
        }

        .related-card-body {
            padding: 16px 18px;
        }

        .related-card-body h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.45;
        }

        .related-card-body p {
            font-size: 0.82rem;
            color: var(--text-dim);
            margin: 0;
            line-height: 1.55;
        }

        .article-faq {
            background: var(--deep-wine);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            padding: 28px 26px;
            margin-bottom: 24px;
        }

        .article-faq h3 {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .article-faq h3 i {
            color: var(--accent-mandarine);
        }

        .faq-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-list li {
            border-bottom: 1px solid var(--border-soft);
            padding-bottom: 12px;
        }

        .faq-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .faq-question {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.98rem;
            margin-bottom: 6px;
        }

        .faq-answer {
            font-size: 0.88rem;
            color: var(--text-dim);
            line-height: 1.6;
        }

        .article-cta {
            background: linear-gradient(135deg, var(--deep-wine), var(--secondary-bg));
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-gold);
            padding: 32px 28px;
            text-align: center;
            margin-bottom: 24px;
            box-shadow: var(--shadow-glow);
        }

        .article-cta h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin: 0 0 12px;
            letter-spacing: -0.01em;
        }

        .article-cta p {
            font-size: 0.98rem;
            color: var(--text-secondary);
            margin: 0 0 20px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-primary {
            display: inline-block;
            padding: 14px 42px;
            font-size: 1rem;
            font-weight: 800;
            color: #2B0404;
            border-radius: 99px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            border: none;
            transition: all var(--transition);
            box-shadow: var(--shadow-glow-strong);
            letter-spacing: 0.01em;
        }

        .btn-cta-primary:hover,
        .btn-cta-primary:focus {
            transform: translateY(-2px);
            box-shadow: 0 12px 42px rgba(251, 191, 36, 0.38);
            color: #2B0404;
        }

        /* Footer */
        .site-footer {
            background: var(--deep-wine);
            border-top: 1px solid var(--border-soft);
            padding: 48px 0 24px;
            margin-top: 48px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 28px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-dim);
            line-height: 1.6;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

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

        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-dim);
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }

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

        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-dim);
            margin: 0;
            line-height: 1.5;
        }

        /* Responsive */
        @media screen and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
            .nav-links li a {
                padding: 8px 12px;
                font-size: 0.85rem;
            }
        }

        @media screen and (max-width: 768px) {
            .article-page {
                padding-top: 68px;
            }
            :root {
                --spacing-section: 44px;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-links {
                position: fixed;
                top: 62px;
                left: 16px;
                right: 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                background: rgba(26, 2, 2, 0.98);
                border: 1px solid var(--border-soft);
                border-radius: var(--radius-md);
                padding: 16px;
                box-shadow: var(--shadow-glow-strong);
                display: none;
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                text-align: center;
                padding: 12px 16px;
                font-size: 0.95rem;
                border: 1px solid var(--border-soft);
                border-radius: var(--radius-sm);
            }
            .header-cta-group {
                gap: 6px;
            }
            .btn-login,
            .btn-register {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .article-body {
                padding: 22px 18px;
            }
            .article-title {
                font-size: 1.7rem;
            }
            .article-tips,
            .article-faq {
                padding: 20px 18px;
            }
            .article-cta {
                padding: 24px 18px;
            }
            .payment-strip {
                flex-direction: column;
                text-align: center;
            }
        }

        @media screen and (max-width: 520px) {
            .article-page {
                padding-top: 62px;
            }
            :root {
                --spacing-section: 36px;
            }
            .header-inner {
                gap: 8px;
            }
            .logo-brand {
                font-size: 1rem;
            }
            .logo-brand i {
                font-size: 1.3rem;
            }
            .btn-login,
            .btn-register {
                padding: 7px 11px;
                font-size: 0.72rem;
            }
            .breadcrumb .current {
                max-width: 180px;
            }
            .article-title {
                font-size: 1.45rem;
            }
            .tips-list {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-cta h3 {
                font-size: 1.3rem;
            }
            .btn-cta-primary {
                padding: 12px 28px;
                font-size: 0.88rem;
            }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary-bg: #450A0A;
            --secondary-bg: #2B0404;
            --deep-wine: #1A0202;
            --accent-gold: #FBBF24;
            --accent-gold-light: #FDE68A;
            --accent-mandarine: #F97316;
            --accent-red: #DC2626;
            --text-primary: #FFFBEB;
            --text-secondary: #F5E6D3;
            --text-muted: #E7E5E4;
            --text-dim: #B8A99A;
            --border-gold: rgba(251, 191, 36, 0.35);
            --border-soft: rgba(251, 191, 36, 0.18);
            --card-bg: rgba(43, 4, 4, 0.75);
            --card-bg-solid: #3A0808;
            --shadow-glow: 0 6px 25px rgba(251, 191, 36, 0.15);
            --shadow-glow-strong: 0 8px 35px rgba(251, 191, 36, 0.28);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --font-family: 'Be Vietnam Pro', 'Segoe UI', sans-serif;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 72px;
            --spacing-container: 1200px;
        }
        
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
                --spacing-container: 960px;
            }
        }
        
        @media (max-width: 768px) {
            :root {
                --spacing-section: 44px;
                --spacing-container: 100%;
            }
        }
        
        /* ===== Base Reset ===== */
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            margin: 0;
            font-family: var(--font-family);
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.62;
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover, a:focus {
            color: var(--accent-gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container-custom {
            max-width: var(--spacing-container);
            margin: 0 auto;
            padding: 0 24px;
        }
        
        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(26, 2, 2, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-soft);
            padding: 14px 0;
            transition: padding var(--transition), background var(--transition);
        }
        .site-header.scrolled {
            padding: 8px 0;
            background: rgba(26, 2, 2, 0.98);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 900;
            color: var(--accent-gold);
            white-space: nowrap;
            letter-spacing: -0.02em;
        }
        .logo-brand i {
            font-size: 1.7rem;
            color: var(--accent-gold);
        }
        .logo-brand span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-gold);
            background: rgba(251, 191, 36, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(251, 191, 36, 0.2);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 99px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-muted);
            white-space: nowrap;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .nav-links li a:hover, .nav-links li a:focus {
            color: var(--accent-gold);
            border-color: var(--border-gold);
            background: rgba(251, 191, 36, 0.08);
        }
        .nav-links li a.active {
            color: var(--accent-gold);
            border-color: var(--border-gold);
            background: rgba(251, 191, 36, 0.14);
        }
        .header-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            padding: 9px 20px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--accent-gold);
            border: 1.5px solid var(--border-gold);
            border-radius: 99px;
            background: transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover, .btn-login:focus {
            background: rgba(251, 191, 36, 0.14);
            color: var(--accent-gold-light);
            border-color: var(--accent-gold);
        }
        .btn-register {
            padding: 9px 22px;
            font-size: 0.88rem;
            font-weight: 800;
            color: #2B0404;
            border-radius: 99px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: var(--shadow-glow);
        }
        .btn-register:hover, .btn-register:focus {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            box-shadow: var(--shadow-glow-strong);
            color: #2B0404;
        }
        
        /* ===== Hero Bento ===== */
        .hero-bento {
            padding-top: 140px;
            padding-bottom: 72px;
            background: linear-gradient(175deg, var(--deep-wine) 0%, var(--primary-bg) 45%, var(--secondary-bg) 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-bento::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/6c72de49ff668aaa.jpg') center/cover no-repeat;
            opacity: 0.18;
            pointer-events: none;
        }
        .hero-bento::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 200px;
            background: linear-gradient(to top, var(--secondary-bg), transparent);
            pointer-events: none;
        }
        .hero-bento .container-custom {
            position: relative;
            z-index: 2;
        }
        .bento-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            grid-template-rows: auto auto;
            gap: 18px;
            align-items: stretch;
        }
        @media (max-width: 900px) {
            .bento-grid {
                grid-template-columns: 1fr;
            }
        }
        .bento-main {
            grid-row: 1 / 3;
            background: rgba(43, 4, 4, 0.85);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            backdrop-filter: blur(8px);
            box-shadow: var(--shadow-glow);
            position: relative;
            overflow: hidden;
        }
        .bento-main::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(251,191,36,0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .bento-main .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(251, 191, 36, 0.15);
            border: 1px solid var(--border-gold);
            border-radius: 99px;
            padding: 6px 16px;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 22px;
            width: fit-content;
        }
        .bento-main h1 {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--text-primary);
            line-height: 1.2;
            margin: 0 0 18px 0;
            letter-spacing: -0.03em;
        }
        .bento-main h1 span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .bento-main p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin: 0 0 28px 0;
            line-height: 1.7;
            max-width: 560px;
        }
        .bento-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .btn-primary-gold {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            font-size: 0.95rem;
            font-weight: 800;
            color: #2B0404;
            border-radius: 99px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            border: none;
            box-shadow: var(--shadow-glow-strong);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary-gold:hover, .btn-primary-gold:focus {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            box-shadow: 0 10px 40px rgba(251, 191, 36, 0.4);
            transform: translateY(-2px);
            color: #2B0404;
        }
        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-gold);
            border-radius: 99px;
            background: transparent;
            border: 1.5px solid var(--border-gold);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-outline-gold:hover, .btn-outline-gold:focus {
            background: rgba(251, 191, 36, 0.14);
            border-color: var(--accent-gold);
            color: var(--accent-gold-light);
        }
        .bento-small {
            background: rgba(43, 4, 4, 0.7);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            backdrop-filter: blur(6px);
            transition: all var(--transition);
        }
        .bento-small:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .bento-small .icon-bento {
            font-size: 1.8rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .bento-small h3 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 8px 0;
        }
        .bento-small p {
            font-size: 0.88rem;
            color: var(--text-dim);
            margin: 0;
            line-height: 1.55;
        }
        .bento-cta-bar {
            margin-top: 20px;
            background: linear-gradient(135deg, rgba(251, 191, 36, 0.12), rgba(249, 115, 22, 0.08));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }
        .bento-cta-bar p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0;
            font-weight: 500;
        }
        .bento-cta-bar p strong {
            color: var(--accent-gold);
        }
        
        /* ===== Section Base ===== */
        .section-block {
            padding: var(--spacing-section) 0;
            position: relative;
        }
        .section-block.alt-bg {
            background: var(--secondary-bg);
        }
        .section-block.deep-bg {
            background: var(--deep-wine);
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 900;
            color: var(--text-primary);
            line-height: 1.3;
            margin: 0 0 12px 0;
            letter-spacing: -0.02em;
            text-align: left;
        }
        .section-title .highlight {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-sub {
            font-size: 1.02rem;
            color: var(--text-dim);
            margin: 0 0 36px 0;
            max-width: 680px;
            line-height: 1.65;
            text-align: left;
        }
        
        /* ===== Strategy Cards ===== */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 900px) {
            .strategy-grid {
                grid-template-columns: 1fr;
            }
        }
        .strategy-card {
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition);
            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), var(--accent-mandarine));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .strategy-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        .strategy-card:hover::before {
            opacity: 1;
        }
        .strategy-card .card-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(251, 191, 36, 0.1);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-soft);
        }
        .strategy-card h3 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.35;
        }
        .strategy-card p {
            font-size: 0.9rem;
            color: var(--text-dim);
            margin: 0;
            line-height: 1.65;
        }
        .strategy-card .card-meta {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }
        
        /* ===== Scenario Section ===== */
        .scenario-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }
        @media (max-width: 768px) {
            .scenario-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .scenario-content h3 {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 14px 0;
            line-height: 1.4;
        }
        .scenario-content p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0 0 18px 0;
            line-height: 1.7;
        }
        .scenario-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .scenario-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-soft);
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
        }
        .scenario-list li:last-child {
            border-bottom: none;
        }
        .scenario-list li i {
            color: var(--accent-gold);
            font-size: 1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .scenario-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            box-shadow: var(--shadow-glow);
            background: var(--card-bg-solid);
        }
        .scenario-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        
        /* ===== Process / Steps ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        @media (max-width: 900px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }
        .step-item {
            background: rgba(43, 4, 4, 0.6);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: all var(--transition);
        }
        .step-item:hover {
            border-color: var(--border-gold);
            background: rgba(43, 4, 4, 0.9);
            transform: translateY(-3px);
        }
        .step-num {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
        }
        .step-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }
        .step-item p {
            font-size: 0.85rem;
            color: var(--text-dim);
            margin: 0;
            line-height: 1.55;
        }
        
        /* ===== Expert Tips ===== */
        .expert-tips {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .expert-tips {
                grid-template-columns: 1fr;
            }
        }
        .tip-block {
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            border-left: 4px solid var(--accent-gold);
            transition: all var(--transition);
        }
        .tip-block:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-glow);
        }
        .tip-block .tip-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-mandarine);
            margin-bottom: 10px;
        }
        .tip-block h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px 0;
            line-height: 1.4;
        }
        .tip-block p {
            font-size: 0.88rem;
            color: var(--text-dim);
            margin: 0;
            line-height: 1.6;
        }
        
        /* ===== News / CMS List ===== */
        .news-list-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 900px) {
            .news-list-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 560px) {
            .news-list-grid {
                grid-template-columns: 1fr;
            }
        }
        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: all var(--transition);
        }
        .news-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .news-card .news-cat {
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-gold);
        }
        .news-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.45;
        }
        .news-card p {
            font-size: 0.85rem;
            color: var(--text-dim);
            margin: 0;
            line-height: 1.55;
        }
        .news-card .news-time {
            font-size: 0.78rem;
            color: var(--text-dim);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card .news-time i {
            color: var(--accent-gold);
        }
        
        /* ===== FAQ ===== */
        .faq-list {
            max-width: 860px;
            margin: 0;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            padding: 20px 22px;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-gold);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
        }
        .faq-question i {
            color: var(--accent-gold);
            font-size: 1rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            display: none;
            font-size: 0.9rem;
            color: var(--text-dim);
            line-height: 1.65;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-soft);
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        
        /* ===== Final CTA ===== */
        .final-cta {
            background: linear-gradient(135deg, var(--deep-wine) 0%, var(--primary-bg) 60%, #5A0F0F 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            box-shadow: var(--shadow-glow-strong);
            position: relative;
            overflow: hidden;
        }
        .final-cta::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 200px;
            background: radial-gradient(ellipse, rgba(251,191,36,0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        .final-cta h2 {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--text-primary);
            margin: 0 0 14px 0;
            line-height: 1.3;
            letter-spacing: -0.02em;
        }
        .final-cta h2 span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .final-cta p {
            font-size: 1.02rem;
            color: var(--text-secondary);
            margin: 0 auto 28px auto;
            max-width: 560px;
            line-height: 1.65;
        }
        .final-cta .cta-buttons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }
        
        /* ===== Footer ===== */
        .site-footer {
            background: var(--deep-wine);
            border-top: 1px solid var(--border-soft);
            padding: 56px 0 24px 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
            line-height: 1.5;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-dim);
            line-height: 1.65;
            margin: 0 0 14px 0;
            max-width: 400px;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-gold);
            margin: 0 0 14px 0;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }
        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-dim);
            margin: 0;
            line-height: 1.5;
        }
        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .payment-badge {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-gold);
            border: 1px solid var(--border-gold);
            border-radius: 6px;
            padding: 4px 12px;
            background: rgba(251, 191, 36, 0.08);
            letter-spacing: 0.04em;
        }
        
        /* ===== FAB (Classic Royal Style) ===== */
        .fab-royal {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 25%, #2B0404 0%, #1A0202 70%);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-gold);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            opacity: 0.8;
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab-royal:hover, .fab-royal:focus {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.5);
            color: var(--accent-gold-light);
        }
        .fab-royal:active {
            transform: scale(0.94);
        }
        .fab-royal .fab-badge {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #fff;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        
        /* ===== Responsive Header ===== */
        @media (max-width: 1100px) {
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .header-cta-group .btn-login,
            .header-cta-group .btn-register {
                padding: 7px 16px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 900px) {
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                background: rgba(26, 2, 2, 0.98);
                border-bottom: 1px solid var(--border-gold);
                padding: 16px 20px;
                display: none;
                box-shadow: 0 20px 40px rgba(0,0,0,0.4);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                font-size: 0.95rem;
                text-align: left;
            }
            .header-cta-group {
                gap: 6px;
            }
            .header-cta-group .btn-login,
            .header-cta-group .btn-register {
                padding: 7px 14px;
                font-size: 0.78rem;
            }
        }
        @media (max-width: 380px) {
            .logo-brand span {
                font-size: 0.95rem;
            }
            .header-cta-group .btn-login {
                display: none;
            }
            .header-cta-group .btn-register {
                padding: 7px 12px;
                font-size: 0.75rem;
            }
        }
        
        /* ===== Hero responsive ===== */
        @media (max-width: 640px) {
            .bento-main {
                padding: 28px 20px;
            }
            .bento-main h1 {
                font-size: 1.7rem;
            }
            .bento-main p {
                font-size: 0.92rem;
            }
            .bento-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary-gold,
            .btn-outline-gold {
                justify-content: center;
            }
            .bento-cta-bar {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .final-cta {
                padding: 32px 20px;
            }
            .final-cta h2 {
                font-size: 1.45rem;
            }
        }
        
        /* ===== Focus states ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

/* roulang page: category3 */
:root {
            --primary-bg: #450A0A;
            --secondary-bg: #2B0404;
            --deep-wine: #1A0202;
            --accent-gold: #FBBF24;
            --accent-gold-light: #FDE68A;
            --accent-mandarine: #F97316;
            --accent-red: #DC2626;
            --text-primary: #FFFBEB;
            --text-secondary: #F5E6D3;
            --text-muted: #E7E5E4;
            --text-dim: #B8A99A;
            --border-gold: rgba(251, 191, 36, 0.35);
            --border-soft: rgba(251, 191, 36, 0.18);
            --card-bg: rgba(43, 4, 4, 0.75);
            --card-bg-solid: #3A0808;
            --shadow-glow: 0 6px 25px rgba(251, 191, 36, 0.15);
            --shadow-glow-strong: 0 8px 35px rgba(251, 191, 36, 0.28);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --font-family: 'Be Vietnam Pro', 'Segoe UI', sans-serif;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 72px;
            --spacing-container: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: var(--font-family);
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.62;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        a:hover,
        a:focus {
            color: var(--accent-gold);
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-family);
            color: var(--text-primary);
            line-height: 1.25;
            margin-top: 0;
        }

        p {
            margin-top: 0;
        }

        .container-custom {
            max-width: var(--spacing-container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(26, 2, 2, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-soft);
            padding: 14px 0;
            transition: padding var(--transition), background var(--transition);
        }

        .site-header.scrolled {
            padding: 8px 0;
            background: rgba(26, 2, 2, 0.98);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 900;
            color: var(--accent-gold);
            white-space: nowrap;
            letter-spacing: -0.02em;
        }

        .logo-brand i {
            font-size: 1.7rem;
            color: var(--accent-gold);
        }

        .logo-brand span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 99px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-muted);
            white-space: nowrap;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .nav-links li a:hover,
        .nav-links li a:focus {
            color: var(--accent-gold);
            border-color: var(--border-gold);
            background: rgba(251, 191, 36, 0.08);
        }

        .nav-links li a.active {
            color: var(--accent-gold);
            border-color: var(--border-gold);
            background: rgba(251, 191, 36, 0.14);
        }

        .header-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 9px 20px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--accent-gold);
            border: 1.5px solid var(--border-gold);
            border-radius: 99px;
            background: transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover,
        .btn-login:focus {
            background: rgba(251, 191, 36, 0.14);
            color: var(--accent-gold-light);
            border-color: var(--accent-gold);
        }

        .btn-register {
            padding: 9px 22px;
            font-size: 0.88rem;
            font-weight: 800;
            color: #2B0404;
            border-radius: 99px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: var(--shadow-glow);
        }

        .btn-register:hover,
        .btn-register:focus {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            box-shadow: var(--shadow-glow-strong);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--accent-gold);
            font-size: 1.5rem;
            padding: 8px;
            line-height: 1;
        }

        /* ===== Hero Section ===== */
        .hero-category {
            padding: 140px 0 60px;
            background: radial-gradient(ellipse at 20% 30%, rgba(251, 191, 36, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 70%, rgba(220, 38, 38, 0.12) 0%, transparent 60%),
                var(--primary-bg);
            border-bottom: 1px solid var(--border-soft);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

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

        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(251, 191, 36, 0.12);
            border: 1px solid var(--border-gold);
            border-radius: 99px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .hero-copy h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 18px;
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        .hero-copy h1 span {
            color: var(--accent-gold);
        }

        .hero-copy p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            color: #2B0404;
            font-weight: 800;
            font-size: 1rem;
            border-radius: 99px;
            border: none;
            box-shadow: var(--shadow-glow-strong);
            transition: all var(--transition);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            color: #2B0404;
            box-shadow: 0 12px 40px rgba(251, 191, 36, 0.4);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            background: transparent;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 1rem;
            border-radius: 99px;
            border: 1.5px solid var(--border-gold);
            transition: all var(--transition);
        }

        .btn-outline:hover,
        .btn-outline:focus {
            background: rgba(251, 191, 36, 0.14);
            color: var(--accent-gold-light);
            border-color: var(--accent-gold);
        }

        .hero-visual {
            position: relative;
        }

        .hero-card {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 24px;
            box-shadow: var(--shadow-glow-strong);
            backdrop-filter: blur(4px);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .hero-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(251, 191, 36, 0.35);
        }

        .hero-card img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            border-radius: var(--radius-lg);
            margin-bottom: 20px;
            border: 1px solid var(--border-soft);
        }

        .hero-card h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--accent-gold-light);
        }

        .hero-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 16px;
        }

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

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 600;
        }

        .hero-stat-item i {
            color: var(--accent-gold);
        }

        /* ===== Section Base ===== */
        .section {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .section-alt {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        .section-header {
            margin-bottom: 40px;
            text-align: left;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(251, 191, 36, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: 99px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .section-header p {
            color: var(--text-dim);
            font-size: 1rem;
            max-width: 650px;
            line-height: 1.6;
        }

        /* ===== Feature Grid ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

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

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

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

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(251, 191, 36, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            color: var(--accent-gold);
            font-size: 1.5rem;
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .feature-card p {
            color: var(--text-dim);
            font-size: 0.95rem;
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== Process Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 28px;
        }

        .step-item {
            text-align: left;
            padding: 0 16px;
            position: relative;
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            color: #2B0404;
            font-weight: 900;
            font-size: 1.2rem;
            margin-bottom: 16px;
            box-shadow: var(--shadow-glow);
        }

        .step-item h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .step-item p {
            color: var(--text-dim);
            font-size: 0.92rem;
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== Promo Cards ===== */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
        }

        .promo-card {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 28px;
            position: relative;
            overflow: hidden;
        }

        .promo-card::after {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(251, 191, 36, 0.2) 0%, transparent 70%);
        }

        .promo-badge {
            display: inline-block;
            padding: 4px 12px;
            background: var(--accent-red);
            color: #fff;
            border-radius: 99px;
            font-size: 0.78rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .promo-card h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--accent-gold-light);
        }

        .promo-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .promo-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ===== Stats Bar ===== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
        }

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

        .stat-block strong {
            display: block;
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-block span {
            color: var(--text-dim);
            font-size: 0.9rem;
        }

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

        .faq-item {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            background: var(--card-bg);
            overflow: hidden;
            transition: border-color var(--transition);
        }

        .faq-item:hover,
        .faq-item:focus-within {
            border-color: var(--border-gold);
        }

        .faq-question {
            padding: 18px 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question i {
            color: var(--accent-gold);
            transition: transform var(--transition);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            color: var(--text-dim);
            font-size: 0.95rem;
            line-height: 1.6;
        }

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

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        /* ===== News List ===== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .news-item {
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
        }

        .news-item:hover,
        .news-item:focus-within {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .news-item img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-soft);
        }

        .news-body {
            padding: 20px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-dim);
            margin-bottom: 10px;
        }

        .news-meta i {
            color: var(--accent-gold);
        }

        .news-body h3 {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-body h3 a {
            color: var(--text-primary);
            transition: color var(--transition);
        }

        .news-body h3 a:hover,
        .news-body h3 a:focus {
            color: var(--accent-gold);
        }

        .news-body p {
            color: var(--text-dim);
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: radial-gradient(ellipse at center, rgba(251, 191, 36, 0.15) 0%, transparent 70%), var(--deep-wine);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            padding: 70px 0;
            text-align: center;
        }

        .cta-content h2 {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 900;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .cta-content h2 span {
            color: var(--accent-gold);
        }

        .cta-content p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--deep-wine);
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-soft);
            color: var(--text-muted);
        }

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

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .footer-desc {
            font-size: 0.92rem;
            color: var(--text-dim);
            line-height: 1.7;
            max-width: 350px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

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

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

        .footer-col ul li a {
            color: var(--text-dim);
            font-size: 0.92rem;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover,
        .footer-col ul li a:focus {
            color: var(--accent-gold);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: center;
            text-align: center;
        }

        .footer-bottom p {
            color: var(--text-dim);
            font-size: 0.85rem;
            margin: 0;
        }

        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .payment-badge {
            padding: 6px 14px;
            border: 1px solid var(--border-soft);
            border-radius: 99px;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--text-muted);
            background: rgba(255, 251, 235, 0.05);
        }

        /* ===== FAB ===== */
        .floating-fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(255,235,180,0.9), #FBBF24 60%, #B45309);
            border: 2px solid #FBBF24;
            box-shadow: 0 6px 25px rgba(251, 191, 36, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #2B0404;
            font-size: 1.4rem;
            transition: all 0.3s ease;
            opacity: 0.8;
            animation: fabFloat 3s ease-in-out infinite;
        }

        .floating-fab:hover,
        .floating-fab:focus {
            opacity: 1;
            transform: scale(1.1) rotate(360deg);
            box-shadow: 0 12px 35px rgba(251, 191, 36, 0.5);
        }

        .floating-fab:active {
            transform: scale(0.95) translateY(1px);
        }

        .floating-fab::after {
            content: '';
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #DC2626;
            border: 2px solid #fff;
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
                --spacing-container: 100%;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                max-width: 500px;
                margin: 0 auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 44px;
            }
            .nav-toggle {
                display: inline-block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(26, 2, 2, 0.98);
                flex-direction: column;
                padding: 16px 24px;
                border-bottom: 1px solid var(--border-soft);
                gap: 4px;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                display: block;
                width: 100%;
                text-align: left;
                padding: 12px 16px;
            }
            .header-cta-group {
                gap: 6px;
            }
            .btn-login,
            .btn-register {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .hero-category {
                padding: 120px 0 40px;
            }
            .hero-card img {
                height: 200px;
            }
            .feature-grid,
            .promo-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .floating-fab {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .logo-brand span {
                display: none;
            }
            .btn-login,
            .btn-register {
                padding: 7px 12px;
                font-size: 0.75rem;
            }
            .hero-copy h1 {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .stats-bar {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category2 */
/* ===== Design System: Imperial Carmine & Golden Dynasty ===== */
        :root {
            --primary-bg: #450A0A;
            --secondary-bg: #2B0404;
            --deep-wine: #1A0202;
            --accent-gold: #FBBF24;
            --accent-gold-light: #FDE68A;
            --accent-mandarine: #F97316;
            --accent-red: #DC2626;
            --text-primary: #FFFBEB;
            --text-secondary: #F5E6D3;
            --text-muted: #E7E5E4;
            --text-dim: #B8A99A;
            --border-gold: rgba(251, 191, 36, 0.35);
            --border-soft: rgba(251, 191, 36, 0.18);
            --card-bg: rgba(43, 4, 4, 0.75);
            --card-bg-solid: #3A0808;
            --shadow-glow: 0 6px 25px rgba(251, 191, 36, 0.15);
            --shadow-glow-strong: 0 8px 35px rgba(251, 191, 36, 0.28);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --font-family: 'Be Vietnam Pro', 'Segoe UI', sans-serif;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 72px;
            --spacing-container: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: var(--font-family);
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.65;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        a:hover, a:focus {
            color: var(--accent-gold);
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container-custom {
            max-width: var(--spacing-container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(26, 2, 2, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-soft);
            padding: 14px 0;
            transition: padding var(--transition), background var(--transition);
        }

        .site-header.scrolled {
            padding: 8px 0;
            background: rgba(26, 2, 2, 0.98);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 900;
            color: var(--accent-gold);
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .logo-brand i {
            font-size: 1.7rem;
            color: var(--accent-gold);
        }

        .logo-brand span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 99px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-muted);
            white-space: nowrap;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .nav-links li a:hover,
        .nav-links li a:focus {
            color: var(--accent-gold);
            border-color: var(--border-gold);
            background: rgba(251, 191, 36, 0.08);
        }

        .nav-links li a.active {
            color: var(--accent-gold);
            border-color: var(--border-gold);
            background: rgba(251, 191, 36, 0.14);
        }

        .header-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 9px 20px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--accent-gold);
            border: 1.5px solid var(--border-gold);
            border-radius: 99px;
            background: transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover, .btn-login:focus {
            background: rgba(251, 191, 36, 0.14);
            color: var(--accent-gold-light);
            border-color: var(--accent-gold);
        }

        .btn-register {
            padding: 9px 22px;
            font-size: 0.88rem;
            font-weight: 800;
            color: #2B0404;
            border-radius: 99px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: var(--shadow-glow);
        }

        .btn-register:hover, .btn-register:focus {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            box-shadow: var(--shadow-glow-strong);
            transform: translateY(-2px);
        }

        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--accent-gold);
            background: none;
            border: none;
            padding: 8px;
            transition: color var(--transition);
        }

        .nav-toggle:hover {
            color: var(--accent-gold-light);
        }

        /* ===== Hero Section ===== */
        .hero-category {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            padding: 120px 0 80px;
            background: linear-gradient(135deg, #1A0202 0%, #2B0404 45%, #450A0A 100%);
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 900px;
            height: 900px;
            background: radial-gradient(circle, rgba(251, 191, 36, 0.12) 0%, rgba(251, 191, 36, 0.04) 40%, transparent 70%);
            pointer-events: none;
        }

        .hero-category-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/6c72de49ff668aaa.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            pointer-events: none;
        }

        .hero-category-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            border: 1px solid var(--border-gold);
            border-radius: 99px;
            background: rgba(251, 191, 36, 0.09);
            letter-spacing: 0.02em;
            margin-bottom: 24px;
        }

        .hero-badge i {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }

        .hero-category h1 {
            font-size: 2.9rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-primary);
            margin: 0 0 18px;
            letter-spacing: -0.02em;
        }

        .hero-category h1 .highlight {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.08rem;
            font-weight: 400;
            line-height: 1.65;
            color: var(--text-secondary);
            margin: 0 0 28px;
            max-width: 680px;
        }

        .hero-benefits {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin: 0 0 28px;
        }

        .benefit-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-primary);
            border: 1px solid var(--border-gold);
            border-radius: 99px;
            background: rgba(43, 4, 4, 0.6);
            transition: all var(--transition);
        }

        .benefit-chip:hover {
            border-color: var(--accent-gold);
            background: rgba(251, 191, 36, 0.1);
        }

        .benefit-chip i {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }

        .hero-qualification {
            font-size: 0.92rem;
            color: var(--text-dim);
            line-height: 1.55;
            margin: 0 0 32px;
            padding: 14px 20px;
            border-left: 3px solid var(--border-gold);
            background: rgba(26, 2, 2, 0.5);
            border-radius: 0 10px 10px 0;
            max-width: 620px;
        }

        .hero-qualification strong {
            color: var(--accent-gold-light);
            font-weight: 700;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 36px;
            font-size: 1rem;
            font-weight: 800;
            color: #2B0404;
            border-radius: 99px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: var(--shadow-glow-strong);
        }

        .btn-hero-primary:hover, .btn-hero-primary:focus {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            box-shadow: 0 12px 40px rgba(251, 191, 36, 0.35);
            transform: translateY(-3px);
        }

        .hero-note {
            font-size: 0.85rem;
            color: var(--text-dim);
            margin: 16px 0 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-note i {
            color: var(--accent-gold);
        }

        /* ===== Main / Sections ===== */
        main {
            background: var(--primary-bg);
        }

        .section-block {
            padding: var(--spacing-section) 0;
        }

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

        .section-heading {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin: 0 0 14px;
        }

        .section-subheading {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 640px;
            margin: 0 0 40px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        /* ===== Tips Cards ===== */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .tip-card {
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 24px;
            right: 24px;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity var(--transition);
        }

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

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

        .tip-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(251, 191, 36, 0.12);
            color: var(--accent-gold);
            font-size: 1.3rem;
            margin-bottom: 16px;
        }

        .tip-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 10px;
            line-height: 1.3;
        }

        .tip-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== Scenario Cards ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--card-bg-solid);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 26px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .scenario-number {
            font-size: 0.78rem;
            font-weight: 800;
            color: var(--accent-mandarine);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .scenario-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 10px;
            line-height: 1.3;
        }

        .scenario-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .step-item {
            position: relative;
            padding: 22px;
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }

        .step-item:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-glow);
        }

        .step-number {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            color: #2B0404;
            font-weight: 800;
            font-size: 0.95rem;
            margin-bottom: 14px;
        }

        .step-item h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.3;
        }

        .step-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin: 0;
        }

        /* ===== Expert Quote ===== */
        .quote-block {
            text-align: center;
            padding: 50px 0;
            max-width: 760px;
            margin: 0 auto;
        }

        .quote-mark {
            font-size: 2.8rem;
            color: var(--accent-gold);
            opacity: 0.6;
            line-height: 1;
            margin-bottom: 16px;
        }

        .quote-text {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.55;
            margin: 0 0 20px;
            letter-spacing: -0.01em;
        }

        .quote-author {
            font-size: 0.9rem;
            color: var(--accent-gold-light);
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .quote-author i {
            font-size: 0.8rem;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 14px;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            background: var(--card-bg);
            transition: all var(--transition);
            overflow: hidden;
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            text-align: left;
            transition: all var(--transition);
            gap: 12px;
        }

        .faq-question:hover {
            color: var(--accent-gold);
        }

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 22px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }

        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== Content List ===== */
        .post-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .post-card {
            background: var(--card-bg);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .post-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .post-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.35;
        }

        .post-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin: 0 0 14px;
            flex-grow: 1;
        }

        .post-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-dim);
        }

        .post-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .post-meta i {
            font-size: 0.75rem;
            color: var(--accent-gold);
        }

        .no-updates {
            font-size: 1rem;
            color: var(--text-dim);
            padding: 30px;
            text-align: center;
            border: 1px dashed var(--border-soft);
            border-radius: var(--radius-md);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, #1A0202 0%, #450A0A 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 52px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(251, 191, 36, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--text-primary);
            margin: 0 0 14px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 38px;
            font-size: 1rem;
            font-weight: 800;
            color: #2B0404;
            border-radius: 99px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-mandarine));
            border: none;
            transition: all var(--transition);
            box-shadow: var(--shadow-glow-strong);
            position: relative;
            z-index: 1;
        }

        .btn-cta-primary:hover, .btn-cta-primary:focus {
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            box-shadow: 0 14px 42px rgba(251, 191, 36, 0.4);
            transform: translateY(-3px);
        }

        .cta-note {
            font-size: 0.84rem;
            color: var(--text-dim);
            margin: 14px 0 0;
            position: relative;
            z-index: 1;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--deep-wine);
            border-top: 1px solid var(--border-soft);
            padding: 56px 0 28px;
            margin-top: var(--spacing-section);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2.2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-dim);
            line-height: 1.6;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
        }

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

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

        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-dim);
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-dim);
            margin: 0;
            line-height: 1.5;
        }

        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .payment-badge {
            padding: 6px 14px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-primary);
            border: 1px solid var(--border-soft);
            border-radius: 99px;
            background: rgba(43, 4, 4, 0.6);
            transition: all var(--transition);
        }

        .payment-badge:hover {
            border-color: var(--border-gold);
            color: var(--accent-gold);
        }

        /* ===== FAB ===== */
        .fab-treasure {
            position: fixed;
            left: 16px;
            bottom: 90px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, var(--accent-gold-light), var(--accent-gold));
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #2B0404;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            opacity: 0.8;
            transition: all var(--transition);
            cursor: pointer;
            animation: fab-float 3s ease-in-out infinite;
        }

        .fab-treasure:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 35px rgba(245, 158, 11, 0.5);
        }

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

        .fab-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #fff;
            animation: fab-pulse 2s ease-in-out infinite;
        }

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

        @keyframes fab-pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.2); }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
            }

            .hero-category h1 {
                font-size: 2.4rem;
            }

            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .post-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 44px;
            }

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

            .site-header {
                padding: 10px 0;
            }

            .nav-toggle {
                display: block;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(26, 2, 2, 0.98);
                flex-direction: column;
                padding: 12px 16px;
                gap: 4px;
                border-bottom: 1px solid var(--border-soft);
            }

            .nav-links.open {
                display: flex;
            }

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

            .nav-links li a {
                display: block;
                padding: 12px 16px;
                font-size: 0.95rem;
            }

            .header-cta-group {
                gap: 6px;
            }

            .btn-login, .btn-register {
                padding: 7px 14px;
                font-size: 0.78rem;
            }

            .hero-category {
                min-height: auto;
                padding: 100px 0 60px;
            }

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

            .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-benefits {
                gap: 8px;
            }

            .benefit-chip {
                padding: 8px 14px;
                font-size: 0.78rem;
            }

            .btn-hero-primary {
                padding: 13px 28px;
                font-size: 0.92rem;
            }

            .section-heading {
                font-size: 1.5rem;
            }

            .tips-grid, .scenario-grid, .steps-grid, .post-grid {
                grid-template-columns: 1fr;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }

            .cta-section {
                padding: 36px 20px;
            }

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

            .fab-treasure {
                left: 12px;
                bottom: 70px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 1.6rem;
            }

            .hero-badge {
                font-size: 0.72rem;
                padding: 6px 14px;
            }

            .btn-hero-primary {
                width: 100%;
                justify-content: center;
            }

            .quote-text {
                font-size: 1.1rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .section-heading {
                font-size: 1.3rem;
            }
        }