/* roulang page: index */
:root {
            --primary-dark: #0A2E1C;
            --primary-mid: #123E25;
            --primary-forest: #0F3A22;
            --accent-gold: #FFD700;
            --accent-gold-hover: #FFC300;
            --accent-red: #D32F2F;
            --accent-red-hover: #B71C1C;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-dark: #1A1A1A;
            --text-body: #3E4C46;
            --text-muted: #6B7A73;
            --surface-light: #FDF9F0;
            --surface-cream: #F5F7F2;
            --surface-white: #FFFFFF;
            --surface-dark: #062015;
            --border-gold: #FFD700;
            --border-soft: #E0E5E0;
            --border-mint: #B8D9CC;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-full: 50%;
            --shadow-sm: 0 2px 8px rgba(10, 46, 28, 0.08);
            --shadow-md: 0 4px 20px rgba(10, 46, 28, 0.12);
            --shadow-lg: 0 8px 40px rgba(10, 46, 28, 0.18);
            --font-head: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 180ms ease-in-out;
            --transition-md: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 72px;
            --spacing-section-sm: 48px;
            --nav-height: 68px;
        }

        /* Base Reset */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-body);
            background-color: var(--surface-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary-mid);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--accent-red);
        }

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

        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-head);
            color: var(--primary-dark);
            line-height: 1.3;
            font-weight: 700;
            margin: 0 0 0.5em;
        }

        h1 {
            font-size: 2.75rem;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.015em;
            margin-bottom: 0.75em;
        }

        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin-bottom: 0.5em;
        }

        p {
            margin-bottom: 1em;
        }

        /* Container Custom */
        .custom-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        @media (max-width: 768px) {
            section {
                padding: var(--spacing-section-sm) 0;
            }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            h3 { font-size: 1.2rem; }
        }

        /* Header / Navbar */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--nav-height);
            background: var(--surface-light);
            border-bottom: 2px solid var(--border-gold);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }

        .site-header .custom-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-head);
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--primary-dark);
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        .site-logo:hover {
            color: var(--accent-red);
        }

        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.1rem;
            flex-shrink: 0;
            border: 2px solid var(--border-gold);
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .site-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 6px;
            font-family: var(--font-head);
            font-weight: 500;
            font-size: 0.88rem;
            color: var(--text-body);
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .site-nav a:hover {
            color: var(--accent-red);
            background: rgba(211, 47, 47, 0.06);
        }

        .site-nav a.active {
            color: var(--accent-red);
            font-weight: 600;
            position: relative;
        }

        .site-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--accent-red);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-login {
            padding: 8px 16px;
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--primary-dark);
            background: transparent;
            border: none;
            cursor: pointer;
            border-radius: 6px;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .nav-login:hover {
            color: var(--accent-red);
            background: rgba(211, 47, 47, 0.06);
        }

        .nav-signup {
            padding: 10px 20px;
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 0.88rem;
            color: var(--primary-dark);
            background: var(--accent-gold);
            border: 2px solid var(--border-gold);
            border-radius: 8px;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-signup:hover {
            background: var(--accent-gold-hover);
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.4);
            transform: translateY(-1px);
        }

        .nav-signup:active {
            transform: translateY(0);
            box-shadow: none;
        }

        /* Mobile nav toggle */
        .mobile-toggle {
            display: none;
            background: transparent;
            border: 2px solid var(--primary-dark);
            border-radius: 6px;
            width: 40px;
            height: 40px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            color: var(--primary-dark);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .mobile-toggle:hover {
            background: var(--primary-dark);
            color: var(--accent-gold);
        }

        @media (max-width: 868px) {
            .site-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--surface-light);
                border-bottom: 2px solid var(--border-gold);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: var(--shadow-md);
            }
            .site-nav.open {
                display: flex;
            }
            .site-nav a {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: 8px;
            }
            .mobile-toggle {
                display: flex;
            }
        }

        @media (max-width: 520px) {
            .site-header .custom-container {
                padding-left: 16px;
                padding-right: 16px;
                gap: 8px;
            }
            .site-logo {
                font-size: 0.85rem;
                max-width: 180px;
            }
            .site-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .nav-actions {
                gap: 6px;
            }
            .nav-login {
                padding: 6px 10px;
                font-size: 0.78rem;
            }
            .nav-signup {
                padding: 8px 14px;
                font-size: 0.78rem;
            }
        }

        /* Hero Section - Short Banner */
        .hero-banner {
            margin-top: var(--nav-height);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            padding: 48px 0;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.92) 0%, rgba(18, 62, 37, 0.75) 45%, rgba(10, 46, 28, 0.55) 100%);
        }

        .hero-banner .custom-container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-content {
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.18);
            border: 1px solid rgba(255, 215, 0, 0.5);
            border-radius: 100px;
            padding: 8px 18px;
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

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

        .hero-content h1 {
            color: var(--text-white);
            font-size: 2.9rem;
            margin-bottom: 16px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
            letter-spacing: -0.02em;
        }

        .hero-subtitle {
            color: var(--text-mint);
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-ctas {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            background: var(--accent-gold);
            color: var(--primary-dark);
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 1rem;
            border: 2px solid var(--border-gold);
            border-radius: 10px;
            cursor: pointer;
            text-decoration: none;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .btn-primary-hero:hover {
            background: var(--accent-gold-hover);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.45);
            transform: translateY(-2px);
            color: var(--primary-dark);
        }

        .btn-primary-hero:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline-hero {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 24px;
            background: transparent;
            color: var(--text-white);
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.6);
            border-radius: 10px;
            cursor: pointer;
            text-decoration: none;
            transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
        }

        .btn-outline-hero:hover {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
            color: var(--accent-gold);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-mint);
            font-family: var(--font-head);
            font-weight: 500;
            font-size: 0.9rem;
        }

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

        .hero-stat strong {
            color: var(--text-white);
            font-weight: 700;
        }

        @media (max-width: 768px) {
            .hero-banner {
                min-height: 360px;
                padding: 36px 0;
            }
            .hero-content h1 {
                font-size: 2.1rem;
            }
            .hero-subtitle {
                font-size: 0.98rem;
            }
            .hero-stats {
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-banner {
                min-height: 340px;
                padding: 28px 0;
            }
            .hero-content h1 {
                font-size: 1.7rem;
                line-height: 1.35;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-ctas {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-ctas a {
                justify-content: center;
                text-align: center;
            }
            .hero-stats {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* Section Headers */
        .section-head {
            margin-bottom: 40px;
        }

        .section-label {
            display: inline-block;
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-red);
            margin-bottom: 10px;
        }

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

        .section-head .section-desc {
            font-size: 1.02rem;
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 680px;
            margin-bottom: 0;
        }

        .section-head.center {
            text-align: center;
        }

        .section-head.center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        /* Voucher / Gift Code Grid */
        .voucher-section {
            background: var(--surface-cream);
        }

        .voucher-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .voucher-card {
            background: var(--surface-white);
            border: 2px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            text-align: left;
            transition: border-color var(--transition-md), box-shadow var(--transition-md), transform var(--transition-md);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .voucher-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-red));
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

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

        .voucher-card .voucher-icon {
            width: 48px;
            height: 48px;
            background: rgba(255, 215, 0, 0.15);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-red);
            font-size: 1.4rem;
        }

        .voucher-card h3 {
            font-size: 1.1rem;
            margin-bottom: 0;
            color: var(--primary-dark);
        }

        .voucher-card .voucher-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 0;
            flex-grow: 1;
        }

        .voucher-card .voucher-value {
            font-family: var(--font-head);
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--accent-red);
            letter-spacing: -0.01em;
        }

        .voucher-card .voucher-value span {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        @media (max-width: 1024px) {
            .voucher-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .voucher-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Steps Section */
        .steps-section {
            background: var(--surface-white);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 8px;
        }

        .step-item {
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
        }

        .step-item .step-number {
            width: 52px;
            height: 52px;
            background: var(--primary-dark);
            color: var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-head);
            font-weight: 800;
            font-size: 1.3rem;
            border: 2px solid var(--border-gold);
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(10, 46, 28, 0.25);
        }

        .step-item h3 {
            font-size: 1.05rem;
            margin-bottom: 4px;
        }

        .step-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        @media (max-width: 820px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* Stats Dark Section */
        .stats-section {
            background: var(--primary-dark);
            padding: 56px 0;
            border-top: 3px solid var(--border-gold);
            border-bottom: 3px solid var(--border-gold);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item {
            padding: 8px;
        }

        .stat-item .stat-number {
            font-family: var(--font-head);
            font-weight: 800;
            font-size: 2.6rem;
            color: var(--accent-gold);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }

        .stat-item .stat-label {
            font-family: var(--font-head);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-mint);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 1.7rem;
            }
            .stat-item .stat-label {
                font-size: 0.82rem;
            }
        }

        /* App Showcase - Product Screenshot Stage */
        .showcase-section {
            background: var(--surface-cream);
        }

        .showcase-row {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-top: 12px;
        }

        .showcase-text {
            flex: 1;
            min-width: 0;
        }

        .showcase-text h3 {
            font-size: 1.5rem;
            margin-bottom: 12px;
            color: var(--primary-dark);
        }

        .showcase-text p {
            font-size: 0.98rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .showcase-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }

        .showcase-tags .tag {
            background: rgba(10, 46, 28, 0.07);
            border: 1px solid var(--border-mint);
            border-radius: 100px;
            padding: 6px 14px;
            font-size: 0.8rem;
            font-family: var(--font-head);
            font-weight: 500;
            color: var(--primary-mid);
        }

        .showcase-images {
            flex: 1;
            min-width: 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .showcase-image-wrap {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: var(--surface-white);
            border: 1px solid var(--border-soft);
        }

        .showcase-image-wrap img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform var(--transition-md);
        }

        .showcase-image-wrap:hover img {
            transform: scale(1.04);
        }

        .showcase-image-wrap .img-label {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 12px 16px;
            background: linear-gradient(transparent, rgba(10, 46, 28, 0.85));
            color: var(--text-white);
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.85rem;
        }

        @media (max-width: 900px) {
            .showcase-row {
                flex-direction: column;
                gap: 28px;
            }
            .showcase-images {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .showcase-images {
                grid-template-columns: 1fr;
            }
            .showcase-image-wrap img {
                height: 180px;
            }
        }

        /* News Section */
        .news-section {
            background: var(--surface-white);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-soft);
            transition: background var(--transition-fast);
            text-decoration: none;
            color: inherit;
        }

        .news-item:first-of-type {
            padding-top: 0;
        }

        .news-item:hover {
            background: var(--surface-cream);
            padding-left: 8px;
            padding-right: 8px;
            border-radius: 6px;
        }

        .news-item .news-icon {
            width: 42px;
            height: 42px;
            background: rgba(255, 215, 0, 0.15);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-red);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-item .news-title {
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary-dark);
            margin-bottom: 4px;
            line-height: 1.45;
            display: block;
        }

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

        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .sidebar-card {
            background: var(--surface-cream);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
        }

        .sidebar-card h4 {
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--primary-dark);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-gold);
        }

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

        .sidebar-card ul li {
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-soft);
            font-size: 0.9rem;
            color: var(--text-body);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card ul li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .sidebar-card ul li i {
            color: var(--accent-red);
            font-size: 0.75rem;
        }

        .news-empty {
            padding: 28px;
            background: var(--surface-cream);
            border-radius: var(--radius-md);
            text-align: left;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        @media (max-width: 820px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* Testimonials Section */
        .testimonials-section {
            background: var(--surface-cream);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--surface-white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: border-color var(--transition-md), box-shadow var(--transition-md);
            border-top: 3px solid var(--accent-gold);
        }

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

        .testimonial-stars {
            display: flex;
            gap: 4px;
            color: var(--accent-gold);
            font-size: 0.95rem;
        }

        .testimonial-text {
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.65;
            margin-bottom: 0;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 8px;
            border-top: 1px solid var(--border-soft);
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            background: var(--primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-weight: 700;
            font-family: var(--font-head);
            font-size: 0.9rem;
            border: 2px solid var(--border-gold);
            flex-shrink: 0;
        }

        .testimonial-name {
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary-dark);
        }

        .testimonial-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        @media (max-width: 900px) {
            .testimonials-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 620px) {
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ Section */
        .faq-section {
            background: var(--surface-white);
        }

        .faq-list {
            max-width: 820px;
        }

        .faq-item {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            background: var(--surface-white);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--border-mint);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            background: transparent;
            border: none;
            cursor: pointer;
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--primary-dark);
            text-align: left;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--accent-red);
            background: var(--surface-cream);
        }

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

        .faq-question.active i {
            transform: rotate(180deg);
            color: var(--accent-red);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-md), padding var(--transition-md);
            padding: 0 22px;
        }

        .faq-answer.open {
            max-height: 400px;
            padding-bottom: 20px;
        }

        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* CTA Section */
        .cta-section {
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 64px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.93) 0%, rgba(18, 62, 37, 0.85) 100%);
        }

        .cta-section .custom-container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-content {
            max-width: 560px;
        }

        .cta-content h2 {
            color: var(--text-white);
            font-size: 2rem;
            margin-bottom: 12px;
        }

        .cta-content p {
            color: var(--text-mint);
            font-size: 1rem;
            line-height: 1.65;
            margin-bottom: 0;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-cta-gold {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 32px;
            background: var(--accent-gold);
            color: var(--primary-dark);
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 1rem;
            border: 2px solid var(--border-gold);
            border-radius: 10px;
            cursor: pointer;
            text-decoration: none;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .btn-cta-gold:hover {
            background: var(--accent-gold-hover);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.5);
            transform: translateY(-2px);
            color: var(--primary-dark);
        }

        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 28px;
            background: transparent;
            color: var(--text-white);
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.6);
            border-radius: 10px;
            cursor: pointer;
            text-decoration: none;
            transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
        }

        .btn-cta-outline:hover {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
            color: var(--accent-gold);
            transform: translateY(-2px);
        }

        @media (max-width: 820px) {
            .cta-section .custom-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-content h2 {
                font-size: 1.6rem;
            }
            .cta-actions {
                width: 100%;
            }
            .cta-actions a {
                flex: 1;
                justify-content: center;
                text-align: center;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--surface-dark);
            padding: 48px 0 24px;
            color: var(--text-mint);
            border-top: 3px solid var(--border-gold);
        }

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

        .footer-brand h4 {
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-mint);
            line-height: 1.65;
            margin-bottom: 12px;
            opacity: 0.85;
        }

        .footer-brand .footer-badges {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .footer-brand .footer-badge {
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.4);
            border-radius: 6px;
            padding: 6px 12px;
            font-size: 0.75rem;
            font-family: var(--font-head);
            font-weight: 600;
            color: var(--accent-gold);
        }

        .footer-col h5 {
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

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

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

        .footer-col ul li a {
            font-size: 0.86rem;
            color: var(--text-mint);
            text-decoration: none;
            opacity: 0.8;
            transition: color var(--transition-fast), opacity var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a:hover {
            color: var(--accent-gold);
            opacity: 1;
        }

        .footer-col ul li a i {
            font-size: 0.7rem;
            color: var(--accent-red);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-mint);
            margin-bottom: 0;
            opacity: 0.7;
        }

        .footer-bottom .footer-payments {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .footer-bottom .payment-badge {
            background: var(--surface-light);
            border-radius: 6px;
            padding: 6px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary-dark);
            font-family: var(--font-head);
            white-space: nowrap;
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom .footer-payments {
                justify-content: center;
            }
        }

        /* Floating Action Button - Classic & Royal Gold Coin */
        .fab-royal {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #1A4D30, var(--primary-dark) 70%);
            border: 3px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            cursor: pointer;
            opacity: 0.7;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3), inset 0 2px 4px rgba(255, 215, 0, 0.15);
            animation: fabFloat 3s ease-in-out infinite;
            transition: opacity var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            text-decoration: none;
        }

        .fab-royal::after {
            content: '';
            position: absolute;
            top: 8px;
            right: 8px;
            width: 10px;
            height: 10px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--surface-light);
            animation: fabBlink 1.8s ease-in-out infinite;
        }

        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 28px rgba(255, 215, 0, 0.55), inset 0 2px 4px rgba(255, 215, 0, 0.2);
            color: var(--accent-gold-hover);
        }

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

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

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

        @media (max-width: 520px) {
            .fab-royal {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 0.75rem;
                bottom: 5.5rem;
                border-width: 2.5px;
            }
            .fab-royal::after {
                width: 8px;
                height: 8px;
                top: 6px;
                right: 6px;
                border-width: 1.5px;
            }
        }

        /* Utility - divider */
        .divider-gold {
            width: 60px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
            margin: 0 0 16px;
        }

        .divider-center {
            margin: 0 auto 16px;
        }

/* roulang page: category1 */
:root {
            --primary-dark: #0A2E1C;
            --primary-mid: #123E25;
            --primary-forest: #0F3A22;
            --accent-gold: #FFD700;
            --accent-gold-hover: #FFC300;
            --accent-red: #D32F2F;
            --accent-red-hover: #B71C1C;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-dark: #1A1A1A;
            --text-body: #3E4C46;
            --text-muted: #6B7A73;
            --surface-light: #FDF9F0;
            --surface-cream: #F5F7F2;
            --surface-white: #FFFFFF;
            --surface-dark: #062015;
            --border-gold: #FFD700;
            --border-soft: #E0E5E0;
            --border-mint: #B8D9CC;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-full: 50%;
            --shadow-sm: 0 2px 8px rgba(10, 46, 28, 0.08);
            --shadow-md: 0 4px 20px rgba(10, 46, 28, 0.12);
            --shadow-lg: 0 8px 40px rgba(10, 46, 28, 0.18);
            --font-head: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 180ms ease-in-out;
            --transition-md: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 72px;
            --spacing-section-sm: 48px;
            --nav-height: 68px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-body);
            background-color: var(--surface-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary-mid);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--accent-red);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-head);
            color: var(--text-dark);
            line-height: 1.3;
            margin: 0 0 0.75em;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--primary-dark);
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            letter-spacing: -0.005em;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
        }
        p {
            margin: 0 0 1rem;
            color: var(--text-body);
        }
        .custom-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding: var(--spacing-section) 0;
            position: relative;
        }
        /* Header / Navbar */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--nav-height);
            background: var(--surface-light);
            border-bottom: 2px solid var(--border-gold);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }
        .site-header .custom-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-head);
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--primary-dark);
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .site-logo:hover {
            color: var(--accent-red);
        }
        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.1rem;
            flex-shrink: 0;
            border: 2px solid var(--border-gold);
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .site-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 6px;
            font-family: var(--font-head);
            font-weight: 500;
            font-size: 0.88rem;
            color: var(--text-body);
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }
        .site-nav a:hover {
            color: var(--accent-red);
            background: rgba(211, 47, 47, 0.06);
        }
        .site-nav a.active {
            color: var(--accent-red);
            font-weight: 600;
            position: relative;
        }
        .site-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--accent-red);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-login {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-family: var(--font-head);
            font-weight: 500;
            font-size: 0.85rem;
            color: var(--primary-dark);
            text-decoration: none;
            border-radius: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-login:hover {
            color: var(--accent-red);
            background: rgba(211, 47, 47, 0.06);
        }
        .nav-signup {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--primary-dark);
            background: var(--accent-gold);
            border: none;
            border-radius: 6px;
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.35);
        }
        .nav-signup:hover {
            background: var(--accent-gold-hover);
            color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.45);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--primary-dark);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: rgba(10, 46, 28, 0.06);
        }
        /* Hero Section */
        .hero {
            padding: calc(var(--nav-height) + 48px) 0 64px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-mid) 45%, var(--primary-forest) 100%);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 80%;
            height: 120%;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.12) 0%, transparent 65%);
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .hero .custom-container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content {
            color: var(--text-white);
        }
        .hero-content h1 {
            color: var(--text-white);
            font-size: 2.6rem;
            margin-bottom: 0.5em;
            letter-spacing: -0.015em;
        }
        .hero-content h1 .highlight {
            color: var(--accent-gold);
        }
        .hero-content .hero-sub {
            font-size: 1.1rem;
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 1.8rem;
        }
        .hero-trust .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-mint);
            font-weight: 500;
        }
        .hero-trust .trust-item i {
            color: var(--accent-gold);
            font-size: 1rem;
        }
        .hero-form {
            background: var(--surface-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-lg);
            border: 3px solid var(--border-gold);
        }
        .hero-form h3 {
            color: var(--primary-dark);
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            text-align: left;
        }
        .hero-form .form-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 1.2rem;
        }
        .hero-form .form-group {
            margin-bottom: 14px;
        }
        .hero-form label {
            display: block;
            font-family: var(--font-head);
            font-weight: 500;
            font-size: 0.85rem;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .hero-form input[type="tel"],
        .hero-form input[type="text"] {
            width: 100%;
            padding: 13px 16px;
            border: 2px solid var(--border-soft);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--surface-cream);
        }
        .hero-form input:focus {
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
            outline: none;
            background: var(--surface-white);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            padding: 14px 24px;
            background: var(--accent-red);
            color: var(--text-white);
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 1rem;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            box-shadow: 0 4px 14px rgba(211, 47, 47, 0.35);
        }
        .btn-primary:hover {
            background: var(--accent-red-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.45);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(211, 47, 47, 0.3);
        }
        .form-note {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-align: center;
            margin-top: 10px;
        }
        /* Pain Section */
        .pain-section {
            background: var(--surface-cream);
        }
        .pain-section .section-head {
            margin-bottom: 2rem;
        }
        .pain-section .section-head h2 {
            color: var(--primary-dark);
            text-align: left;
        }
        .pain-section .section-head .subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 720px;
        }
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 1rem;
        }
        .pain-card {
            background: var(--surface-white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border-left: 4px solid var(--accent-red);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-md);
        }
        .pain-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .pain-card .pain-icon {
            width: 48px;
            height: 48px;
            background: rgba(211, 47, 47, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-red);
            margin-bottom: 1rem;
        }
        .pain-card h3 {
            font-size: 1.1rem;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }
        .pain-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        /* Solution Section */
        .solution-section {
            background: var(--surface-white);
        }
        .solution-section .section-head {
            margin-bottom: 2.2rem;
        }
        .solution-section .section-head h2 {
            color: var(--primary-dark);
            text-align: left;
        }
        .solution-section .section-head .subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 720px;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            counter-reset: step-counter;
        }
        .step-card {
            background: var(--surface-light);
            border-radius: var(--radius-md);
            padding: 30px 26px;
            border: 2px solid var(--border-mint);
            position: relative;
            transition: all var(--transition-md);
            counter-increment: step-counter;
        }
        .step-card::before {
            content: counter(step-counter);
            position: absolute;
            top: -16px;
            left: 24px;
            width: 36px;
            height: 36px;
            background: var(--accent-gold);
            color: var(--primary-dark);
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 1rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--primary-dark);
        }
        .step-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .step-card h3 {
            font-size: 1.1rem;
            color: var(--primary-dark);
            margin-bottom: 0.6rem;
            margin-top: 0.3rem;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-body);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .step-card .step-badge {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(255, 215, 0, 0.2);
            color: var(--primary-dark);
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.7rem;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 0.03em;
            margin-bottom: 0.8rem;
        }
        /* Results/Benefits Section */
        .results-section {
            background: var(--surface-dark);
            padding: var(--spacing-section) 0;
        }
        .results-section .section-head {
            margin-bottom: 2rem;
        }
        .results-section .section-head h2 {
            color: var(--text-white);
            text-align: left;
        }
        .results-section .section-head .subtitle {
            color: var(--text-mint);
            font-size: 1.05rem;
            max-width: 720px;
        }
        .results-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .result-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-md);
            padding: 24px 18px;
            text-align: left;
            transition: all var(--transition-md);
        }
        .result-item:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: var(--accent-gold);
            transform: translateY(-3px);
        }
        .result-item .result-icon {
            width: 44px;
            height: 44px;
            background: rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent-gold);
            margin-bottom: 0.9rem;
        }
        .result-item h4 {
            font-size: 0.95rem;
            color: var(--accent-gold);
            margin-bottom: 0.4rem;
            font-weight: 600;
        }
        .result-item p {
            font-size: 0.85rem;
            color: var(--text-mint);
            margin-bottom: 0;
        }
        /* Testimonial Section */
        .testimonial-section {
            background: var(--surface-cream);
        }
        .testimonial-section .section-head {
            margin-bottom: 2rem;
        }
        .testimonial-section .section-head h2 {
            color: var(--primary-dark);
            text-align: left;
        }
        .testimonial-section .section-head .subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 720px;
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: var(--surface-white);
            border-radius: var(--radius-md);
            padding: 26px 24px;
            box-shadow: var(--shadow-sm);
            border-top: 4px solid var(--accent-gold);
            transition: all var(--transition-md);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .testimonial-card .stars {
            color: var(--accent-gold);
            font-size: 0.9rem;
            margin-bottom: 0.8rem;
            letter-spacing: 2px;
        }
        .testimonial-card blockquote {
            font-size: 0.92rem;
            color: var(--text-body);
            font-style: italic;
            line-height: 1.65;
            margin: 0 0 1rem;
            border-left: 3px solid var(--border-mint);
            padding-left: 14px;
        }
        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .author-avatar {
            width: 38px;
            height: 38px;
            background: var(--primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .testimonial-card .author-info strong {
            display: block;
            font-family: var(--font-head);
            font-size: 0.85rem;
            color: var(--text-dark);
        }
        .testimonial-card .author-info span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        /* FAQ Section */
        .faq-section {
            background: var(--surface-white);
        }
        .faq-section .section-head {
            margin-bottom: 2rem;
        }
        .faq-section .section-head h2 {
            color: var(--primary-dark);
            text-align: left;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface-cream);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--border-soft);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-mint);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: none;
            border: none;
            cursor: pointer;
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-dark);
            text-align: left;
            gap: 12px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-red);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--surface-white);
            border-radius: 50%;
            font-size: 0.7rem;
            color: var(--primary-dark);
            transition: transform var(--transition-md), background var(--transition-fast);
            border: 1px solid var(--border-soft);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            background: var(--accent-gold);
            color: var(--primary-dark);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-md);
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
        }
        .faq-answer p {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-body);
            margin: 0;
            line-height: 1.65;
        }
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-forest) 100%);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            left: 10%;
            width: 60%;
            height: 160%;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section .custom-container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .cta-content h2 {
            color: var(--text-white);
            font-size: 1.9rem;
            margin-bottom: 0.5rem;
        }
        .cta-content p {
            color: var(--text-mint);
            font-size: 1rem;
            margin-bottom: 0;
        }
        .cta-form {
            background: var(--surface-white);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-lg);
            border: 2px solid var(--border-gold);
        }
        .cta-form h4 {
            color: var(--primary-dark);
            margin-bottom: 1rem;
            font-size: 1rem;
        }
        .cta-form .cta-input-group {
            display: flex;
            gap: 10px;
        }
        .cta-form input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid var(--border-soft);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            background: var(--surface-cream);
        }
        .cta-form input:focus {
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
            outline: none;
            background: var(--surface-white);
        }
        .cta-form .btn-primary {
            width: auto;
            flex-shrink: 0;
            padding: 12px 22px;
            font-size: 0.9rem;
        }
        /* Footer */
        .site-footer {
            background: var(--surface-dark);
            padding: 56px 0 24px;
            color: var(--text-mint);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 2rem;
        }
        .footer-brand h4 {
            color: var(--text-white);
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
            font-weight: 700;
        }
        .footer-brand p {
            color: var(--text-mint);
            font-size: 0.85rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--accent-gold);
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .footer-col h5 {
            color: var(--text-white);
            font-size: 0.9rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-mint);
            font-size: 0.85rem;
            text-decoration: none;
            transition: color var(--transition-fast), padding-left var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a i {
            font-size: 0.65rem;
            color: var(--accent-gold);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.8rem;
            margin: 0;
        }
        .footer-payments {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.75rem;
            color: var(--text-mint);
        }
        .footer-payments span {
            padding: 4px 10px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 4px;
        }
        /* FAB */
        .fab-container {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
        }
        .fab-main {
            width: 56px;
            height: 56px;
            background: var(--primary-dark);
            border: 3px solid var(--border-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-gold);
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all var(--transition-md);
            position: relative;
            text-decoration: none;
        }
        .fab-main:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.45);
            color: var(--accent-gold-hover);
        }
        .fab-main:active {
            transform: scale(0.95);
        }
        .fab-main .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #E53935;
            border-radius: 50%;
            border: 2px solid var(--surface-white);
            animation: blink-dot 1.8s ease-in-out infinite;
        }
        @keyframes blink-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero .custom-container {
                gap: 32px;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .results-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
                --spacing-section-sm: 36px;
                --nav-height: 60px;
            }
            .site-header {
                height: auto;
                min-height: var(--nav-height);
                padding: 8px 0;
            }
            .site-header .custom-container {
                flex-wrap: wrap;
                gap: 8px;
            }
            .site-logo {
                font-size: 0.9rem;
            }
            .site-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .mobile-toggle {
                display: block;
                margin-left: auto;
            }
            .site-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 2px;
                padding: 8px 0 4px;
                border-top: 1px solid var(--border-soft);
                margin-top: 8px;
            }
            .site-nav.mobile-open {
                display: flex;
            }
            .site-nav a {
                width: 100%;
                padding: 10px 12px;
                font-size: 0.85rem;
            }
            .site-nav a.active::after {
                display: none;
            }
            .nav-actions {
                gap: 6px;
            }
            .nav-login {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
            .nav-signup {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
            .hero {
                padding: calc(var(--nav-height) + 36px) 0 40px;
            }
            .hero .custom-container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content .hero-sub {
                font-size: 0.95rem;
            }
            .hero-form {
                padding: 24px 18px;
            }
            .pain-grid,
            .steps-grid,
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .results-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .cta-section .custom-container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-form .cta-input-group {
                flex-direction: column;
            }
            .cta-form .btn-primary {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .fab-container {
                left: 12px;
                bottom: 80px;
            }
            .fab-main {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .custom-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .results-grid {
                grid-template-columns: 1fr;
            }
            .hero-trust {
                flex-direction: column;
                gap: 8px;
            }
            .nav-actions {
                gap: 4px;
            }
            .nav-login, .nav-signup {
                padding: 5px 10px;
                font-size: 0.7rem;
            }
        }

/* roulang page: article */
:root {
            --primary-dark: #0A2E1C;
            --primary-mid: #123E25;
            --primary-forest: #0F3A22;
            --accent-gold: #FFD700;
            --accent-gold-hover: #FFC300;
            --accent-red: #D32F2F;
            --accent-red-hover: #B71C1C;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-dark: #1A1A1A;
            --text-body: #3E4C46;
            --text-muted: #6B7A73;
            --surface-light: #FDF9F0;
            --surface-cream: #F5F7F2;
            --surface-white: #FFFFFF;
            --surface-dark: #062015;
            --border-gold: #FFD700;
            --border-soft: #E0E5E0;
            --border-mint: #B8D9CC;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-full: 50%;
            --shadow-sm: 0 2px 8px rgba(10, 46, 28, 0.08);
            --shadow-md: 0 4px 20px rgba(10, 46, 28, 0.12);
            --shadow-lg: 0 8px 40px rgba(10, 46, 28, 0.18);
            --font-head: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 180ms ease-in-out;
            --transition-md: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 72px;
            --spacing-section-sm: 48px;
            --nav-height: 68px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-body);
            background-color: var(--surface-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

        a {
            color: var(--primary-mid);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--accent-red);
        }

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-head);
            color: var(--text-dark);
            line-height: 1.3;
            margin: 0 0 0.6em;
            font-weight: 700;
        }

        h1 {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

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

        p {
            margin: 0 0 1.2em;
            line-height: 1.65;
        }

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

        section {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        /* ===== HEADER / NAVBAR ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--nav-height);
            background: var(--surface-light);
            border-bottom: 2px solid var(--border-gold);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }

        .site-header .custom-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-head);
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--primary-dark);
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        .site-logo:hover {
            color: var(--accent-red);
        }

        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.1rem;
            flex-shrink: 0;
            border: 2px solid var(--border-gold);
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .site-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 6px;
            font-family: var(--font-head);
            font-weight: 500;
            font-size: 0.88rem;
            color: var(--text-body);
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .site-nav a:hover {
            color: var(--accent-red);
            background: rgba(211, 47, 47, 0.06);
        }

        .site-nav a.active {
            color: var(--accent-red);
            font-weight: 600;
            position: relative;
        }

        .site-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--accent-red);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-actions .btn-login {
            padding: 8px 16px;
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--primary-dark);
            background: transparent;
            border: 1px solid var(--border-soft);
            border-radius: 6px;
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-actions .btn-login:hover {
            color: var(--accent-red);
            border-color: var(--accent-red);
            background: rgba(211, 47, 47, 0.05);
        }

        .nav-actions .btn-signup {
            padding: 8px 18px;
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--primary-dark);
            background: var(--accent-gold);
            border: 1px solid var(--border-gold);
            border-radius: 6px;
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 2px 6px rgba(255, 215, 0, 0.35);
        }

        .nav-actions .btn-signup:hover {
            background: var(--accent-gold-hover);
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.5);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-soft);
            border-radius: 6px;
            padding: 6px 12px;
            font-size: 1.2rem;
            color: var(--primary-dark);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .mobile-toggle:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
        }

        /* ===== BREADCRUMB ===== */
        .breadcrumb-section {
            padding: calc(var(--nav-height) + 28px) 0 0;
            background: var(--surface-cream);
            border-bottom: 1px solid var(--border-soft);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
            padding: 12px 0;
        }

        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: var(--border-soft);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--primary-mid);
            font-weight: 500;
        }

        /* ===== ARTICLE HERO ===== */
        .article-hero-section {
            padding: 36px 0 48px;
            background: var(--surface-white);
        }

        .article-hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: start;
        }

        .article-hero-content {
            padding-top: 8px;
        }

        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--surface-cream);
            border: 1px solid var(--border-soft);
            border-radius: 20px;
            padding: 5px 14px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary-mid);
            margin-bottom: 14px;
            font-family: var(--font-head);
            text-decoration: none;
            transition: all var(--transition-fast);
        }

        .article-category-tag:hover {
            background: rgba(211, 47, 47, 0.06);
            border-color: var(--accent-red);
            color: var(--accent-red);
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 14px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

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

        .article-meta i {
            color: var(--accent-gold);
            font-size: 0.85rem;
        }

        .article-hero-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 2px solid var(--border-mint);
            position: relative;
        }

        .article-hero-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .article-hero-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(to top, rgba(10, 46, 28, 0.45), transparent);
            pointer-events: none;
        }

        .article-hero-image .hero-image-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: var(--accent-red);
            color: var(--text-white);
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 0.72rem;
            font-weight: 700;
            font-family: var(--font-head);
            box-shadow: var(--shadow-md);
        }

        /* ===== ARTICLE CONTENT ===== */
        .article-content-section {
            padding: 56px 0 32px;
            background: var(--surface-white);
        }

        .article-content-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .article-content {
            font-size: 1.02rem;
            line-height: 1.7;
            color: var(--text-body);
        }

        .article-content h2,
        .article-content h3,
        .article-content h4 {
            margin-top: 1.8em;
            margin-bottom: 0.7em;
            color: var(--text-dark);
        }

        .article-content h2 {
            font-size: 1.45rem;
            border-left: 4px solid var(--accent-gold);
            padding-left: 14px;
        }

        .article-content h3 {
            font-size: 1.2rem;
        }

        .article-content p {
            margin-bottom: 1.1em;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.2em;
            padding-left: 1.5em;
        }

        .article-content li {
            margin-bottom: 0.5em;
            line-height: 1.65;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
        }

        .article-content blockquote {
            margin: 24px 0;
            padding: 16px 20px;
            background: var(--surface-cream);
            border-left: 4px solid var(--accent-gold);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--text-body);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
        }

        .article-content table th,
        .article-content table td {
            padding: 10px 14px;
            border: 1px solid var(--border-soft);
            text-align: left;
            font-size: 0.92rem;
        }

        .article-content table th {
            background: var(--surface-cream);
            font-weight: 600;
            color: var(--primary-dark);
        }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
            background: var(--surface-cream);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border-soft);
        }

        .article-not-found .not-found-icon {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .article-not-found h3 {
            font-size: 1.3rem;
            margin-bottom: 8px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 8px;
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            border: none;
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--accent-red);
            color: var(--text-white);
            box-shadow: 0 4px 14px rgba(211, 47, 47, 0.3);
        }

        .btn-primary:hover {
            background: var(--accent-red-hover);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.4);
        }

        .btn-gold {
            background: var(--accent-gold);
            color: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.35);
        }

        .btn-gold:hover {
            background: var(--accent-gold-hover);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.45);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary-dark);
            border: 2px solid var(--border-mint);
        }

        .btn-outline:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
            background: rgba(211, 47, 47, 0.04);
        }

        /* ===== TRUST / STATS SECTION ===== */
        .trust-section {
            padding: 48px 0;
            background: var(--surface-cream);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 18px;
            background: var(--surface-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-soft);
            transition: all var(--transition-fast);
        }

        .trust-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-mint);
            transform: translateY(-2px);
        }

        .trust-icon {
            width: 42px;
            height: 42px;
            background: var(--primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.1rem;
            flex-shrink: 0;
            border: 1px solid var(--border-gold);
        }

        .trust-item h4 {
            font-size: 0.9rem;
            margin: 0 0 2px;
            font-weight: 700;
        }

        .trust-item p {
            margin: 0;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== PROMO / OFFER SECTION ===== */
        .promo-section {
            padding: 56px 0;
            background: var(--surface-white);
        }

        .promo-header {
            text-align: left;
            max-width: 600px;
            margin-bottom: 28px;
        }

        .promo-header h2 {
            margin-bottom: 8px;
        }

        .promo-header p {
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .promo-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .promo-card {
            background: var(--surface-white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-md);
            position: relative;
        }

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

        .promo-card .promo-badge {
            position: absolute;
            top: -10px;
            right: 16px;
            background: var(--accent-red);
            color: var(--text-white);
            font-size: 0.68rem;
            font-weight: 700;
            font-family: var(--font-head);
            padding: 4px 10px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
        }

        .promo-card .promo-code {
            font-family: var(--font-head);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary-dark);
            background: var(--surface-cream);
            border: 1px dashed var(--border-mint);
            border-radius: 6px;
            padding: 8px 14px;
            display: inline-block;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .promo-card h4 {
            font-size: 1rem;
            margin-bottom: 6px;
        }

        .promo-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .promo-card .promo-btn {
            width: 100%;
            padding: 10px 16px;
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.84rem;
            border-radius: 6px;
            border: 1px solid var(--border-mint);
            background: var(--surface-white);
            color: var(--primary-dark);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .promo-card .promo-btn:hover {
            background: var(--primary-dark);
            color: var(--accent-gold);
            border-color: var(--primary-dark);
        }

        /* ===== FAQ SECTION ===== */
        .faq-section {
            padding: 56px 0;
            background: var(--surface-cream);
        }

        .faq-header {
            max-width: 600px;
            margin-bottom: 28px;
        }

        .faq-header h2 {
            margin-bottom: 8px;
        }

        .faq-header p {
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .faq-list {
            max-width: 800px;
        }

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

        .faq-item:hover {
            border-color: var(--border-mint);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            padding: 16px 20px;
            background: transparent;
            border: none;
            text-align: left;
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--surface-cream);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition-fast);
        }

        .faq-item.active .faq-question .faq-icon {
            background: var(--accent-red);
            color: var(--text-white);
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 20px 18px;
            display: none;
        }

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

        .faq-answer p {
            margin: 0;
            font-size: 0.9rem;
            line-height: 1.6;
            color: var(--text-muted);
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            padding: 64px 0;
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(211, 47, 47, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-content h2 {
            color: var(--text-white);
            font-size: 1.8rem;
            margin-bottom: 12px;
        }

        .cta-content p {
            color: var(--text-mint);
            max-width: 560px;
            margin: 0 auto 24px;
            font-size: 1rem;
        }

        .cta-content .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--surface-dark);
            color: var(--text-mint);
            padding: 48px 0 0;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand h4 {
            color: var(--accent-gold);
            font-size: 1.05rem;
            margin-bottom: 10px;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 0.84rem;
            line-height: 1.6;
            color: rgba(209, 242, 235, 0.7);
            margin-bottom: 14px;
        }

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

        .footer-badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--accent-gold);
        }

        .footer-col h5 {
            color: var(--text-white);
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

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

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

        .footer-col ul li a {
            color: rgba(209, 242, 235, 0.7);
            text-decoration: none;
            font-size: 0.84rem;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a i {
            font-size: 0.6rem;
            color: var(--accent-gold);
        }

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

        .footer-bottom {
            padding: 16px 0;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(209, 242, 235, 0.5);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-payments {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 10px;
        }

        .footer-payments span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 10px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 6px;
            font-size: 0.72rem;
            color: rgba(209, 242, 235, 0.6);
        }

        /* ===== FAB ===== */
        .fab-royal {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 90;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary-dark);
            border: 3px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            transition: all var(--transition-md);
            animation: fab-breathe 2.5s ease-in-out infinite;
            text-decoration: none;
        }

        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
            animation-play-state: paused;
        }

        .fab-royal:active {
            transform: scale(0.92) translateY(2px);
        }

        .fab-royal .fab-icon {
            font-size: 1.3rem;
            color: var(--accent-gold);
            transition: transform var(--transition-md);
        }

        .fab-royal:hover .fab-icon {
            transform: rotate(360deg);
        }

        .fab-royal .fab-notif {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--surface-white);
            animation: fab-blink 1.8s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%,
            100% {
                transform: translateY(0);
                opacity: 0.65;
            }
            50% {
                transform: translateY(-5px);
                opacity: 0.85;
            }
        }

        @keyframes fab-blink {
            0%,
            100% {
                background: var(--accent-red);
            }
            50% {
                background: #ff6b6b;
            }
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .article-hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

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

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

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
                --spacing-section: 48px;
                --spacing-section-sm: 36px;
            }

            h1 {
                font-size: 1.6rem;
            }

            h2 {
                font-size: 1.3rem;
            }

            .site-header .custom-container {
                flex-wrap: wrap;
                gap: 8px;
            }

            .site-logo {
                font-size: 0.9rem;
                gap: 8px;
            }

            .site-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }

            .mobile-toggle {
                display: flex;
            }

            .site-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--surface-light);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
                gap: 4px;
                border-bottom: 2px solid var(--border-gold);
                box-shadow: var(--shadow-md);
                z-index: 99;
            }

            .site-nav.mobile-open {
                display: flex;
            }

            .site-nav a {
                display: flex;
                padding: 10px 14px;
                font-size: 0.9rem;
                border-radius: 6px;
            }

            .site-nav a.active::after {
                display: none;
            }

            .site-nav a.active {
                background: rgba(211, 47, 47, 0.06);
            }

            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                padding: 6px 12px;
                font-size: 0.78rem;
            }

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

            .breadcrumb-section {
                padding: calc(var(--nav-height) + 16px) 0 0;
            }

            .article-hero-section {
                padding: 24px 0 32px;
            }

            .article-category-tag {
                font-size: 0.72rem;
                padding: 4px 10px;
            }

            .article-meta {
                font-size: 0.76rem;
                gap: 10px;
            }

            .article-content {
                font-size: 0.96rem;
            }

            .trust-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .promo-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

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

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

            .fab-royal {
                left: 16px;
                bottom: 80px;
                width: 46px;
                height: 46px;
            }

            .fab-royal .fab-icon {
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .custom-container {
                padding-left: 16px;
                padding-right: 16px;
            }

            h1 {
                font-size: 1.4rem;
                line-height: 1.35;
            }

            .nav-actions .btn-login {
                padding: 5px 10px;
                font-size: 0.72rem;
            }

            .nav-actions .btn-signup {
                padding: 5px 12px;
                font-size: 0.72rem;
            }

            .article-hero-grid {
                gap: 16px;
            }

            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .cta-buttons .btn {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category2 */
/* ===== roulang design system: Lucky Gold & Emerald Jade (Style A) ===== */
        :root {
            --primary-dark: #0A2E1C;
            --primary-mid: #123E25;
            --primary-forest: #0F3A22;
            --accent-gold: #FFD700;
            --accent-gold-hover: #FFC300;
            --accent-red: #D32F2F;
            --accent-red-hover: #B71C1C;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-dark: #1A1A1A;
            --text-body: #3E4C46;
            --text-muted: #6B7A73;
            --surface-light: #FDF9F0;
            --surface-cream: #F5F7F2;
            --surface-white: #FFFFFF;
            --surface-dark: #062015;
            --border-gold: #FFD700;
            --border-soft: #E0E5E0;
            --border-mint: #B8D9CC;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-full: 50%;
            --shadow-sm: 0 2px 8px rgba(10, 46, 28, 0.08);
            --shadow-md: 0 4px 20px rgba(10, 46, 28, 0.12);
            --shadow-lg: 0 8px 40px rgba(10, 46, 28, 0.18);
            --font-head: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 180ms ease-in-out;
            --transition-md: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 72px;
            --spacing-section-sm: 48px;
            --nav-height: 68px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-body);
            background-color: var(--surface-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary-mid);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--accent-red);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-head);
            color: var(--text-dark);
            line-height: 1.25;
            font-weight: 700;
        }
        p {
            margin-bottom: 1rem;
        }

        /* ===== Foundation Overrides ===== */
        .grid-container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding: var(--spacing-section) 0;
            position: relative;
        }
        .foundation-block {
            display: block;
        }
        .text-left { text-align: left; }
        .text-center { text-align: center; }
        .text-right { text-align: right; }

        /* ===== Custom Container ===== */
        .custom-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header / Navbar ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--nav-height);
            background: var(--surface-light);
            border-bottom: 2px solid var(--border-gold);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-md), background var(--transition-md);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .site-header .custom-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-head);
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--primary-dark);
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .site-logo:hover {
            color: var(--accent-red);
        }
        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.1rem;
            flex-shrink: 0;
            border: 2px solid var(--border-gold);
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .site-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 6px;
            font-family: var(--font-head);
            font-weight: 500;
            font-size: 0.88rem;
            color: var(--text-body);
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }
        .site-nav a:hover {
            color: var(--accent-red);
            background: rgba(211, 47, 47, 0.06);
        }
        .site-nav a.active {
            color: var(--accent-red);
            font-weight: 600;
            position: relative;
            background: rgba(211, 47, 47, 0.06);
        }
        .site-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--accent-red);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border: none;
            background: transparent;
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary-dark);
            cursor: pointer;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(10, 46, 28, 0.08);
            color: var(--primary-mid);
        }
        .btn-signup {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: var(--accent-red);
            color: var(--text-white);
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            text-decoration: none;
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(211, 47, 47, 0.3);
        }
        .btn-signup:hover {
            background: var(--accent-red-hover);
            color: var(--text-white);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(211, 47, 47, 0.4);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary-dark);
            cursor: pointer;
            padding: 4px;
        }

        /* ===== Hero: Flash Sale ===== */
        .hero-flash {
            padding-top: calc(var(--nav-height) + 48px);
            padding-bottom: 72px;
            background-image: linear-gradient(135deg, rgba(10, 46, 28, 0.95) 0%, rgba(15, 58, 34, 0.92) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            color: var(--text-white);
            position: relative;
        }
        .hero-flash .custom-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .flash-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(211, 47, 47, 0.15);
            border: 1px solid rgba(211, 47, 47, 0.4);
            color: #FFB4B4;
            font-family: var(--font-head);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 50px;
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }
        .flash-badge i {
            animation: pulse-badge 1.8s infinite;
        }
        @keyframes pulse-badge {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.3); }
        }
        .hero-flash h1 {
            color: var(--text-white);
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            line-height: 1.2;
            max-width: 560px;
        }
        .hero-flash h1 .gold-text {
            color: var(--accent-gold);
        }
        .hero-flash .hero-sub {
            color: var(--text-mint);
            font-size: 1.05rem;
            line-height: 1.7;
            max-width: 540px;
            margin-bottom: 28px;
        }
        .flash-countdown {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .countdown-label {
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-mint);
            margin-right: 6px;
        }
        .countdown-box {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .countdown-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.35);
            border-radius: var(--radius-sm);
            min-width: 58px;
            text-align: center;
            padding: 8px 6px;
        }
        .countdown-item .count-value {
            display: block;
            font-family: var(--font-head);
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.1;
        }
        .countdown-item .count-unit {
            display: block;
            font-size: 0.7rem;
            color: var(--text-mint);
            text-transform: lowercase;
            margin-top: 2px;
        }
        .countdown-sep {
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--accent-gold);
            opacity: 0.7;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--accent-gold);
            color: var(--primary-dark);
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 1rem;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            text-decoration: none;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
        }
        .btn-gold:hover {
            background: var(--accent-gold-hover);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.5);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: var(--text-white);
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius-sm);
            cursor: pointer;
            text-decoration: none;
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--text-white);
            color: var(--text-white);
        }
        .hero-promo-card {
            background: var(--surface-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 2px solid var(--border-gold);
            color: var(--text-dark);
            transition: transform var(--transition-md), box-shadow var(--transition-md);
        }
        .hero-promo-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 48px rgba(10, 46, 28, 0.3);
        }
        .promo-card-image {
            position: relative;
            height: 220px;
            background: var(--surface-cream);
        }
        .promo-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .promo-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--accent-red);
            color: var(--text-white);
            font-family: var(--font-head);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 50px;
            letter-spacing: 0.02em;
        }
        .promo-card-body {
            padding: 24px 28px 28px;
        }
        .promo-card-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }
        .promo-highlight {
            display: flex;
            align-items: baseline;
            gap: 8px;
            margin-bottom: 16px;
        }
        .promo-highlight .promo-percent {
            font-family: var(--font-head);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-red);
            line-height: 1;
        }
        .promo-highlight .promo-max {
            font-family: var(--font-head);
            font-weight: 600;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .promo-details {
            list-style: none;
            margin-bottom: 20px;
        }
        .promo-details li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.92rem;
            color: var(--text-body);
            padding: 4px 0;
            line-height: 1.5;
        }
        .promo-details li i {
            color: var(--accent-gold);
            margin-top: 3px;
            flex-shrink: 0;
        }
        .btn-red-solid {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--accent-red);
            color: var(--text-white);
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            border-radius: var--radius-sm);
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(211, 47, 47, 0.35);
    transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}
.btn-red-solid:hover {
    background: var(--accent-red-hover);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(211, 47, 47, 0.45);
}

/* ===== Section Titles ===== */
.section-header {
    margin-bottom: 40px;
    text-align: left;
    max-width: 640px;
}
.section-header .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-head);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--accent-red);
    text-transform: uppercase;
    margin-bottom: 12px;
}
.section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 16px;
    line-height: 1.3;
}
.section-header p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 0;
}

/* ===== Promo Grid (Category Cards) ===== */
.promo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 24px;
}
.promo-card {
    background: var(--surface-white);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-md), box-shadow var(--transition-md), border-color var(--transition-md);
    display: flex;
    flex-direction: column;
}
.promo-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-mint);
}
.promo-card-image {
    height: 170px;
    background: var(--surface-cream);
    overflow: hidden;
    position: relative;
}
.promo-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.promo-card-body {
    padding: 20px 22px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.promo-card-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
    line-height: 1.3;
}
.promo-card-body p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
}
.promo-card-body .promo-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border-soft);
    padding-top: 14px;
}
.promo-card-body .promo-value {
    font-family: var(--font-head);
    font-weight: 700;
    color: var(--accent-red);
    font-size: 1.1rem;
}
.promo-card-body .promo-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--primary-mid);
    font-weight: 600;
}
.promo-card-body .promo-status i {
    color: var(--accent-gold);
}

/* ===== Steps Section ===== */
.steps-section {
    background: var(--surface-light);
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 32px;
}
.step-item {
    background: var(--surface-white);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-md), box-shadow var(--transition-md);
    border-bottom: 3px solid var(--accent-gold);
}
.step-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--primary-dark);
    color: var(--accent-gold);
    border-radius: 50%;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 16px;
}
.step-item h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
}
.step-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* ===== Trust / Stats ===== */
.stats-section {
    background: var(--primary-dark);
    color: var(--text-white);
}
.stats-section .section-header h2 {
    color: var(--text-white);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 32px;
}
.stat-item {
    text-align: center;
    padding: 24px 16px;
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.04);
}
.stat-value {
    font-family: var(--font-head);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent-gold);
    line-height: 1.2;
}
.stat-label {
    color: var(--text-mint);
    font-size: 0.9rem;
    margin-top: 8px;
}

/* ===== FAQ ===== */
.faq-section {
    background: var(--surface-white);
}
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    background: var(--surface-white);
    overflow: hidden;
    transition: box-shadow var(--transition-md), border-color var(--transition-md);
}
.faq-item:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--border-mint);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 1rem;
    color: var(--primary-dark);
    cursor: pointer;
    background: var(--surface-white);
    border: none;
    width: 100%;
    text-align: left;
    transition: background var(--transition-fast);
}
.faq-question:hover {
    background: var(--surface-cream);
}
.faq-question i {
    color: var(--accent-red);
    transition: transform var(--transition-fast);
}
.faq-item.active .faq-question i {
    transform: rotate(180deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-md), padding var(--transition-fast);
    padding: 0 24px;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}
.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 24px 20px;
}

/* ===== CTA Section ===== */
.cta-section {
    background-image: linear-gradient(135deg, rgba(10, 46, 28, 0.95) 0%, rgba(15, 58, 34, 0.9) 100%), url('/assets/images/backpic/back-2.jpg');
    background-size: cover;
    background-position: center;
    color: var(--text-white);
    text-align: center;
    padding: 72px 0;
}
.cta-section h2 {
    color: var(--text-white);
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 16px;
}
.cta-section p {
    color: var(--text-mint);
    max-width: 580px;
    margin: 0 auto 28px;
    font-size: 1.05rem;
}
.cta-section .btn-gold {
    font-size: 1.05rem;
    padding: 16px 40px;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--surface-dark);
    color: var(--text-mint);
    padding: 64px 0 24px;
    border-top: 2px solid var(--border-gold);
}
.site-footer .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand h4 {
    color: var(--text-white);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-mint);
    margin-bottom: 16px;
}
.footer-badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.footer-badge {
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    color: var(--accent-gold);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}
.footer-col h5 {
    color: var(--text-white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.footer-col ul {
    list-style: none;
}
.footer-col ul li {
    margin-bottom: 8px;
}
.footer-col ul li a {
    color: var(--text-mint);
    font-size: 0.9rem;
    text-decoration: none;
    transition: color var(--transition-fast);
}
.footer-col ul li a:hover {
    color: var(--accent-gold);
}
.footer-col ul li i {
    margin-right: 6px;
    font-size: 0.7rem;
    color: var(--accent-gold);
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
}
.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
}
.footer-payments {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}
.footer-payments span {
    background: rgba(255, 255, 255, 0.06);
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--text-mint);
}

/* ===== FAB (Left Floating) ===== */
.fab-left {
    position: fixed;
    left: 16px;
    bottom: 96px;
    z-index: 50;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-dark);
    border: 2px solid var(--accent-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold);
    font-size: 1.4rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
    transition: transform var(--transition-md), box-shadow var(--transition-md), opacity var(--transition-md);
    opacity: 0.7;
    animation: fab-float 3s ease-in-out infinite;
}
.fab-left:hover {
    transform: scale(1.1);
    opacity: 1;
    box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
}
.fab-left:active {
    transform: scale(0.95);
}
.fab-left::after {
    content: '';
    position: absolute;
    top: 6px;
    right: 6px;
    width: 10px;
    height: 10px;
    background: var(--accent-red);
    border-radius: 50%;
    border: 2px solid var(--surface-dark);
    animation: fab-blink 1.5s infinite;
}
@keyframes fab-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}
@keyframes fab-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
    .hero-flash .custom-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .promo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media screen and (max-width: 768px) {
    section {
        padding: var(--spacing-section-sm) 0;
    }
    .site-header .custom-container {
        flex-wrap: wrap;
        height: auto;
        padding-top: 8px;
        padding-bottom: 8px;
    }
    .nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .site-nav {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        padding: 10px 0;
        background: var(--surface-light);
        border-top: 1px solid var(--border-soft);
        margin-top: 8px;
    }
    .site-nav.open {
        display: flex;
    }
    .site-nav a {
        padding: 10px 16px;
        font-size: 0.95rem;
    }
    .nav-actions {
        margin-left: auto;
    }
    .btn-login {
        padding: 8px 14px;
        font-size: 0.85rem;
    }
    .btn-signup {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
    .hero-flash h1 {
        font-size: 2rem;
    }
    .hero-flash .hero-sub {
        font-size: 0.95rem;
    }
    .flash-countdown {
        gap: 8px;
    }
    .countdown-item {
        min-width: 46px;
        padding: 6px 4px;
    }
    .countdown-item .count-value {
        font-size: 1.2rem;
    }
    .promo-grid {
        grid-template-columns: 1fr;
    }
    .steps-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .cta-section h2 {
        font-size: 1.8rem;
    }
    .fab-left {
        left: 12px;
        bottom: 80px;
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }
}
@media screen and (max-width: 480px) {
    .hero-flash {
        padding-top: calc(var(--nav-height) + 24px);
        padding-bottom: 48px;
    }
    .hero-flash h1 {
        font-size: 1.8rem;
    }
    .btn-gold, .btn-outline-light {
        width: 100%;
        justify-content: center;
    }
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .section-header h2 {
        font-size: 1.6rem;
    }
}

/* roulang page: category3 */
/* ============ DESIGN SYSTEM - Lucky Gold & Emerald Jade ============ */
        :root {
            --primary-dark: #0A2E1C;
            --primary-mid: #123E25;
            --primary-forest: #0F3A22;
            --accent-gold: #FFD700;
            --accent-gold-hover: #FFC300;
            --accent-red: #D32F2F;
            --accent-red-hover: #B71C1C;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-dark: #1A1A1A;
            --text-body: #3E4C46;
            --text-muted: #6B7A73;
            --surface-light: #FDF9F0;
            --surface-cream: #F5F7F2;
            --surface-white: #FFFFFF;
            --surface-dark: #062015;
            --border-gold: #FFD700;
            --border-soft: #E0E5E0;
            --border-mint: #B8D9CC;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-full: 50%;
            --shadow-sm: 0 2px 8px rgba(10, 46, 28, 0.08);
            --shadow-md: 0 4px 20px rgba(10, 46, 28, 0.12);
            --shadow-lg: 0 8px 40px rgba(10, 46, 28, 0.18);
            --font-head: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 180ms ease-in-out;
            --transition-md: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 72px;
            --spacing-section-sm: 48px;
            --nav-height: 68px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-body);
            background-color: var(--surface-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

        a {
            color: var(--primary-mid);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--accent-red);
        }

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-head);
            color: var(--primary-dark);
            margin: 0 0 0.5em;
            line-height: 1.3;
            font-weight: 700;
        }

        p {
            margin: 0 0 1.25em;
        }

        ul,
        ol {
            margin: 0 0 1.25em;
            padding-left: 1.25em;
        }

        /* ============ CONTAINER ============ */
        .custom-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ============ SECTION SPACING ============ */
        section {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .section-alt {
            background: var(--surface-cream);
        }

        .section-dark {
            background: var(--primary-dark);
            color: var(--text-mint);
        }

        .section-dark h2,
        .section-dark h3 {
            color: var(--text-white);
        }

        .section-dark p {
            color: var(--text-mint);
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--nav-height);
            background: var(--surface-light);
            border-bottom: 2px solid var(--border-gold);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }

        .site-header .custom-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 12px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-head);
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--primary-dark);
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        .site-logo:hover {
            color: var(--accent-red);
        }

        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.1rem;
            flex-shrink: 0;
            border: 2px solid var(--border-gold);
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
        }

        .site-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            border-radius: 6px;
            font-family: var(--font-head);
            font-weight: 500;
            font-size: 0.84rem;
            color: var(--text-body);
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .site-nav a:hover {
            color: var(--accent-red);
            background: rgba(211, 47, 47, 0.06);
        }

        .site-nav a.active {
            color: var(--accent-red);
            font-weight: 700;
            position: relative;
        }

        .site-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 10px;
            right: 10px;
            height: 2px;
            background: var(--accent-red);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-link-btn {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 6px;
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.84rem;
            color: var(--text-body);
            text-decoration: none;
            background: transparent;
            border: none;
            cursor: pointer;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link-btn:hover {
            color: var(--accent-red);
            background: rgba(211, 47, 47, 0.06);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            border-radius: 6px;
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 0.84rem;
            color: var(--text-white);
            background: var(--accent-red);
            border: none;
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
            transition: background var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 2px 8px rgba(211, 47, 47, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--accent-red-hover);
            color: var(--text-white);
            box-shadow: 0 4px 16px rgba(211, 47, 47, 0.4);
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--primary-dark);
            cursor: pointer;
            padding: 6px;
            line-height: 1;
        }

        /* ============ BUTTONS ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 8px;
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 0.95rem;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            line-height: 1.2;
        }

        .btn-primary {
            background: var(--accent-gold);
            color: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
        }

        .btn-primary:hover {
            background: var(--accent-gold-hover);
            color: var(--primary-dark);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.5);
            transform: translateY(-2px);
        }

        .btn-danger {
            background: var(--accent-red);
            color: var(--text-white);
            box-shadow: 0 4px 16px rgba(211, 47, 47, 0.35);
        }

        .btn-danger:hover {
            background: var(--accent-red-hover);
            color: var(--text-white);
            box-shadow: 0 6px 24px rgba(211, 47, 47, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline-gold {
            background: transparent;
            color: var(--accent-gold);
            border: 2px solid var(--accent-gold);
        }

        .btn-outline-gold:hover {
            background: var(--accent-gold);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 0.85rem;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }

        /* ============ BADGE / TAG ============ */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: 50px;
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            line-height: 1.4;
        }

        .badge-gold {
            background: rgba(255, 215, 0, 0.15);
            color: #B8860B;
            border: 1px solid rgba(255, 215, 0, 0.4);
        }

        .badge-red {
            background: rgba(211, 47, 47, 0.1);
            color: var(--accent-red);
            border: 1px solid rgba(211, 47, 47, 0.3);
        }

        .badge-mint {
            background: rgba(209, 242, 235, 0.2);
            color: var(--primary-mid);
            border: 1px solid var(--border-mint);
        }

        .badge-white {
            background: rgba(255, 255, 255, 0.2);
            color: var(--text-white);
            border: 1px solid rgba(255, 255, 255, 0.35);
        }

        .rating-stars {
            color: var(--accent-gold);
            font-size: 0.9rem;
            letter-spacing: 1px;
        }

        /* ============ HERO ============ */
        .hero-category {
            padding: calc(var(--nav-height) + 56px) 0 56px;
            background: linear-gradient(180deg, var(--surface-light) 0%, var(--surface-white) 100%);
            border-bottom: 2px solid var(--border-mint);
            position: relative;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(10, 46, 28, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-overline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.8rem;
            color: var(--accent-red);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 14px;
        }

        .hero-category h1 {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: var(--primary-dark);
            line-height: 1.25;
        }

        .hero-category .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-body);
            max-width: 560px;
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .hero-stage {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 3px solid var(--border-gold);
            background: var(--surface-dark);
        }

        .hero-stage img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: transform var(--transition-md);
        }

        .hero-stage:hover img {
            transform: scale(1.02);
        }

        .hero-stage-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(transparent, rgba(10, 46, 28, 0.85));
            color: var(--text-white);
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .hero-side-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text-body);
            font-weight: 500;
        }

        .hero-side-list li i {
            color: var(--accent-red);
            font-size: 1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ============ CARDS ============ */
        .card-eval {
            background: var(--surface-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            transition: all var(--transition-md);
            height: 100%;
            position: relative;
        }

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

        .card-eval .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--primary-dark);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            border: 1px solid var(--border-gold);
        }

        .card-eval h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--primary-dark);
        }

        .card-eval p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.55;
        }

        .card-app {
            background: var(--surface-white);
            border-radius: var(--radius-md);
            border: 2px solid var(--border-gold);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: all var(--transition-md);
            height: 100%;
            position: relative;
        }

        .card-app:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: var(--accent-gold-hover);
        }

        .card-app-img {
            position: relative;
            overflow: hidden;
            height: 180px;
            background: var(--surface-dark);
        }

        .card-app-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-md);
        }

        .card-app:hover .card-app-img img {
            transform: scale(1.06);
        }

        .card-app-overlay {
            position: absolute;
            top: 12px;
            right: 12px;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .card-app-body {
            padding: 18px 20px 20px;
        }

        .card-app-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--primary-dark);
        }

        .card-app-body .app-rating {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }

        .card-app-body .app-rating span {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-body);
        }

        .card-app-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 14px;
            line-height: 1.5;
        }

        /* ============ SCENARIO LIST ============ */
        .scenario-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-soft);
        }

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

        .scenario-num {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--primary-dark);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
            border: 2px solid var(--border-gold);
        }

        .scenario-content h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--primary-dark);
        }

        .scenario-content p {
            font-size: 0.88rem;
            color: var(--text-body);
            margin-bottom: 0;
            line-height: 1.55;
        }

        /* ============ PROCESS STEPS ============ */
        .process-step {
            text-align: left;
            padding: 28px 20px;
            background: var(--surface-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: all var(--transition-md);
            position: relative;
        }

        .process-step:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-gold);
            transform: translateY(-4px);
        }

        .process-step .step-number {
            font-family: var(--font-head);
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
            margin-bottom: 10px;
            letter-spacing: -0.03em;
        }

        .process-step h3 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--primary-dark);
        }

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

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

        .faq-item {
            background: var(--surface-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-soft);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--border-mint);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            padding: 18px 22px;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--primary-dark);
            transition: color var(--transition-fast);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--accent-red);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item summary:hover {
            color: var(--accent-red);
        }

        .faq-item .faq-body {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.6;
        }

        .faq-item .faq-body p {
            margin-bottom: 0;
        }

        /* ============ CTA BAND ============ */
        .cta-band {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-forest) 100%);
            border-top: 3px solid var(--border-gold);
            border-bottom: 3px solid var(--border-gold);
            padding: 56px 0;
            text-align: center;
        }

        .cta-band h2 {
            color: var(--text-white);
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-band p {
            color: var(--text-mint);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto 22px;
            line-height: 1.6;
        }

        .cta-band .btn {
            margin: 0 6px;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--surface-dark);
            color: var(--text-mint);
            padding: 56px 0 28px;
            font-size: 0.9rem;
        }

        .site-footer h4 {
            color: var(--accent-gold);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .site-footer h5 {
            color: var(--text-white);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .site-footer p {
            color: var(--text-mint);
            line-height: 1.6;
        }

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

        .footer-brand p {
            font-size: 0.88rem;
            max-width: 340px;
        }

        .footer-badges {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 14px;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            border: 1px solid rgba(255, 215, 0, 0.3);
        }

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

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

        .footer-col ul li a {
            color: var(--text-mint);
            font-size: 0.85rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast);
        }

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

        .footer-col ul li a i {
            font-size: 0.7rem;
            color: var(--accent-gold);
        }

        .footer-bottom {
            border-top: 1px solid rgba(209, 242, 235, 0.15);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            margin-bottom: 0;
            font-size: 0.8rem;
            color: rgba(209, 242, 235, 0.7);
        }

        .footer-payments {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .footer-payments span {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-mint);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        /* ============ FAB ============ */
        .fab-support {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 80;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--surface-dark);
            border: 3px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-md);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            animation: fab-float 3s ease-in-out infinite;
        }

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

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

        .fab-support .fab-icon {
            color: var(--accent-gold);
            font-size: 1.4rem;
            transition: transform var(--transition-md);
        }

        .fab-support:hover .fab-icon {
            transform: rotate(360deg);
        }

        .fab-support .fab-notify {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid var(--surface-dark);
            animation: fab-blink 1.5s ease-in-out infinite;
        }

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

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

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
                --spacing-section-sm: 40px;
                --nav-height: 60px;
            }

            .hero-category h1 {
                font-size: 1.8rem;
            }

            .site-header .custom-container {
                flex-wrap: wrap;
                gap: 6px;
            }

            .site-logo {
                font-size: 0.85rem;
            }

            .site-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }

            .site-nav {
                order: 3;
                width: 100%;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                gap: 0;
                padding-bottom: 6px;
                scrollbar-width: thin;
                scrollbar-color: var(--border-mint) transparent;
            }

            .site-nav::-webkit-scrollbar {
                height: 4px;
            }

            .site-nav::-webkit-scrollbar-thumb {
                background: var(--border-mint);
                border-radius: 4px;
            }

            .site-nav a {
                padding: 6px 10px;
                font-size: 0.78rem;
                flex-shrink: 0;
            }

            .nav-actions {
                margin-left: auto;
                gap: 6px;
            }

            .nav-link-btn {
                padding: 6px 10px;
                font-size: 0.75rem;
            }

            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 0.75rem;
            }

            .hero-category {
                padding: calc(var(--nav-height) + 48px) 0 40px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .fab-support {
                width: 48px;
                height: 48px;
                left: 14px;
                bottom: 80px;
            }

            .fab-support .fab-icon {
                font-size: 1.2rem;
            }

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

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

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

        @media (max-width: 520px) {
            .custom-container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-category h1 {
                font-size: 1.5rem;
            }

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

            .btn {
                padding: 12px 20px;
                font-size: 0.88rem;
            }

            .card-app-img {
                height: 150px;
            }

            .process-step {
                padding: 20px 16px;
            }

            .faq-item summary {
                padding: 14px 16px;
                font-size: 0.85rem;
            }

            .faq-item .faq-body {
                padding: 0 16px 14px;
                font-size: 0.85rem;
            }
        }