/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-deep: #072017;
            --accent-gold: #FFD700;
            --accent-gold-light: #FFE44D;
            --accent-gold-dark: #C5A000;
            --accent-red: #D32F2F;
            --accent-red-dark: #A52222;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #8FBFAF;
            --text-on-gold: #0A2E1C;
            --border-gold: rgba(255, 215, 0, 0.28);
            --border-gold-strong: #FFD700;
            --border-light: rgba(255, 255, 255, 0.08);
            --card-bg: rgba(18, 62, 37, 0.72);
            --card-bg-solid: #10402A;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --radius-full: 999px;
            --shadow-warm: 0 6px 24px rgba(255, 215, 0, 0.14);
            --shadow-deep: 0 16px 40px rgba(0, 0, 0, 0.45);
            --shadow-red: 0 6px 24px rgba(211, 47, 47, 0.3);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 28px;
            --spacing-lg: 48px;
            --spacing-xl: 72px;
            --spacing-xxl: 100px;
            --font-primary: 'Be Vietnam Pro', 'Roboto', system-ui, -apple-system, sans-serif;
            --font-size-xs: 0.75rem;
            --font-size-sm: 0.875rem;
            --font-size-base: 1rem;
            --font-size-md: 1.125rem;
            --font-size-lg: 1.375rem;
            --font-size-xl: 1.75rem;
            --font-size-2xl: 2.25rem;
            --font-size-3xl: 3rem;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

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

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

        button {
            font-family: var(--font-primary);
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }

        input,
        select,
        textarea {
            font-family: var(--font-primary);
            font-size: var(--font-size-base);
        }

        ul,
        ol {
            list-style: none;
        }

        section {
            position: relative;
        }

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

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

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

        .section-heading {
            margin-bottom: var(--spacing-md);
        }

        .section-heading .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-size-xs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-full);
            padding: 6px 16px;
            margin-bottom: 12px;
        }

        .section-heading .section-label::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-gold);
        }

        .section-heading h2 {
            font-size: var(--font-size-2xl);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            text-align: left;
        }

        .section-heading .section-subtitle {
            font-size: var(--font-size-md);
            color: var(--text-secondary);
            line-height: 1.65;
            margin-top: 12px;
            max-width: 680px;
            text-align: left;
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(7, 32, 23, 0.97);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 70px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-size-lg);
            font-weight: 900;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.3px;
            text-decoration: none;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #3d2a08, #1a0f05 75%);
            border: 2px solid var(--accent-gold);
            font-size: 20px;
            flex-shrink: 0;
            box-shadow: 0 0 14px rgba(255, 215, 0, 0.3);
        }

        .logo-accent {
            color: var(--accent-gold);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-links li a {
            display: block;
            padding: 10px 16px;
            font-size: var(--font-size-sm);
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-links li a:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
        }

        .nav-links li a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
        }

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

        .btn-login {
            padding: 10px 18px;
            font-size: var(--font-size-sm);
            font-weight: 700;
            color: var(--text-secondary);
            background: transparent;
            border: none;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }

        .btn-login:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
        }

        .btn-signup {
            padding: 10px 22px;
            font-size: var(--font-size-sm);
            font-weight: 700;
            color: var(--text-on-gold);
            background: var(--accent-gold);
            border: none;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            text-decoration: none;
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.25);
            cursor: pointer;
        }

        .btn-signup:hover {
            background: var(--accent-gold-light);
            transform: translateY(-1px);
            box-shadow: 0 4px 18px rgba(255, 215, 0, 0.4);
            color: var(--text-on-gold);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xs);
            background: rgba(255, 215, 0, 0.05);
            cursor: pointer;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(255, 215, 0, 0.12);
        }

        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: var(--transition);
        }

        .mobile-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ============ HERO ============ */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 120px 0 60px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.94) 0%, rgba(10, 46, 28, 0.85) 40%, rgba(7, 32, 23, 0.78) 100%);
            z-index: 1;
        }

        .hero-container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-size-xs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--accent-red);
            border-radius: var(--radius-full);
            padding: 8px 18px;
            margin-bottom: 20px;
            animation: badgePulse 2s ease-in-out infinite;
        }

        @keyframes badgePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.4);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(211, 47, 47, 0);
            }
        }

        .hero-content h1 {
            font-size: var(--font-size-3xl);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            margin-bottom: 20px;
            text-align: left;
        }

        .hero-content h1 .highlight-gold {
            color: var(--accent-gold);
            position: relative;
            display: inline;
        }

        .hero-content h1 .highlight-gold::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent-red);
            border-radius: 2px;
            opacity: 0.7;
        }

        .hero-description {
            font-size: var(--font-size-md);
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
            text-align: left;
            max-width: 560px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }

        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            font-size: var(--font-size-base);
            font-weight: 700;
            color: #FFFFFF;
            background: var(--accent-red);
            border: 2px solid var(--accent-red);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            text-decoration: none;
            box-shadow: var(--shadow-red);
            cursor: pointer;
        }

        .btn-primary-hero:hover {
            background: var(--accent-red-dark);
            border-color: var(--accent-red-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(211, 47, 47, 0.45);
            color: #FFFFFF;
        }

        .btn-secondary-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: var(--font-size-base);
            font-weight: 700;
            color: var(--accent-gold);
            background: transparent;
            border: 2px solid var(--border-gold-strong);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            text-decoration: none;
            cursor: pointer;
        }

        .btn-secondary-hero:hover {
            background: rgba(255, 215, 0, 0.08);
            transform: translateY(-2px);
            box-shadow: var(--shadow-warm);
            color: var(--accent-gold-light);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-number {
            font-size: var(--font-size-xl);
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: var(--font-size-xs);
            color: var(--text-muted);
        }

        .hero-visual {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }

        .progress-ring-wrapper {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 28px;
            text-align: center;
            box-shadow: var(--shadow-warm);
        }

        .progress-ring-wrapper h3 {
            font-size: var(--font-size-md);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            text-align: center;
        }

        .progress-ring-wrapper p {
            font-size: var(--font-size-sm);
            color: var(--text-muted);
            margin-bottom: 18px;
            text-align: center;
        }

        .progress-ring-svg {
            width: 160px;
            height: 160px;
            margin: 0 auto;
        }

        .progress-ring-svg .ring-bg {
            fill: none;
            stroke: rgba(255, 215, 0, 0.12);
            stroke-width: 12;
        }

        .progress-ring-svg .ring-fg {
            fill: none;
            stroke: var(--accent-gold);
            stroke-width: 12;
            stroke-linecap: round;
            stroke-dasharray: 339.12;
            stroke-dashoffset: 74.6;
            transform: rotate(-90deg);
            transform-origin: center;
            filter: drop-shadow(0 0 6px rgba(255, 215, 0, 0.5));
            animation: ringAnim 2s ease-out forwards;
        }

        @keyframes ringAnim {
            from {
                stroke-dashoffset: 339.12;
            }
            to {
                stroke-dashoffset: 74.6;
            }
        }

        .progress-ring-svg .ring-text-large {
            fill: var(--accent-gold);
            font-size: 28px;
            font-weight: 900;
            font-family: var(--font-primary);
        }

        .progress-ring-svg .ring-text-small {
            fill: var(--text-secondary);
            font-size: 10px;
            font-weight: 500;
            font-family: var(--font-primary);
        }

        .tier-preview {
            display: grid;
            grid-template-columns: 1fr;
            gap: 10px;
            width: 100%;
        }

        .tier-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 18px;
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .tier-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-warm);
            transform: translateX(4px);
        }

        .tier-card-name {
            font-size: var(--font-size-sm);
            font-weight: 600;
            color: var(--text-secondary);
        }

        .tier-card-amount {
            font-size: var(--font-size-sm);
            font-weight: 800;
            color: var(--accent-gold);
            white-space: nowrap;
        }

        .tier-card.reached {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .tier-card.reached .tier-card-name::after {
            content: ' ✓';
            color: var(--accent-gold);
        }

        /* ============ VALUE CARDS (卖点三连) ============ */
        .value-section {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .value-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: var(--spacing-md);
        }

        .value-card {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: var(--transition-slow);
            position: relative;
            overflow: hidden;
        }

        .value-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-red));
            opacity: 0.6;
        }

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

        .value-card-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            font-size: 24px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .value-card h3 {
            font-size: var(--font-size-lg);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
            text-align: left;
        }

        .value-card p {
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            line-height: 1.65;
            text-align: left;
        }

        /* ============ TIME SLOT CARDS ============ */
        .time-section {
            background: var(--bg-primary);
        }

        .time-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: var(--spacing-md);
        }

        .time-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
            position: relative;
        }

        .time-card.hot {
            border-color: var(--accent-red);
        }

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

        .time-tag {
            display: inline-block;
            font-size: var(--font-size-xs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: #FFFFFF;
            background: var(--accent-red);
            border-radius: var(--radius-xs);
            padding: 4px 12px;
            margin-bottom: 12px;
        }

        .time-tag.gold {
            background: var(--accent-gold);
            color: var(--text-on-gold);
        }

        .time-card h3 {
            font-size: var(--font-size-md);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
            text-align: left;
        }

        .time-card .time-range {
            font-size: var(--font-size-sm);
            font-weight: 600;
            color: var(--accent-gold);
            display: block;
            margin-bottom: 10px;
        }

        .time-card p {
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            line-height: 1.6;
            text-align: left;
        }

        /* ============ MEMBER BENEFITS ============ */
        .benefit-section {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-light);
        }

        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: var(--spacing-md);
        }

        .benefit-item {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            padding: 20px;
            transition: var(--transition);
        }

        .benefit-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-warm);
        }

        .benefit-item-icon {
            font-size: 28px;
            display: block;
            margin-bottom: 10px;
        }

        .benefit-item h3 {
            font-size: var(--font-size-sm);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            text-align: left;
        }

        .benefit-item p {
            font-size: var(--font-size-xs);
            color: var(--text-muted);
            line-height: 1.55;
            text-align: left;
        }

        .benefit-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 28px;
            padding: 13px 28px;
            font-size: var(--font-size-base);
            font-weight: 700;
            color: var(--text-on-gold);
            background: var(--accent-gold);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.3);
        }

        .benefit-cta:hover {
            background: var(--accent-gold-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(255, 215, 0, 0.45);
            color: var(--text-on-gold);
        }

        /* ============ NEWS / CMS SECTION ============ */
        .news-section {
            background: var(--bg-primary);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
            margin-top: var(--spacing-md);
        }

        .news-column-left {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

        .news-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-warm);
        }

        .news-item a {
            display: block;
            padding: 18px 20px;
            text-decoration: none;
        }

        .news-item-category {
            display: inline-block;
            font-size: var(--font-size-xs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-xs);
            padding: 3px 10px;
            margin-bottom: 8px;
        }

        .news-item h3 {
            font-size: var(--font-size-base);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 6px;
            text-align: left;
        }

        .news-item p {
            font-size: var(--font-size-sm);
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 8px;
            text-align: left;
        }

        .news-item time {
            font-size: var(--font-size-xs);
            color: var(--text-muted);
        }

        .empty-news {
            font-size: var(--font-size-base);
            color: var(--text-muted);
            text-align: left;
            padding: 24px;
            background: var(--card-bg);
            border: 1px dashed var(--border-gold);
            border-radius: var(--radius-sm);
        }

        .news-column-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-featured-card {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .news-featured-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-warm);
        }

        .news-featured-image {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .news-featured-body {
            padding: 18px 20px;
        }

        .news-featured-body h3 {
            font-size: var(--font-size-md);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            text-align: left;
        }

        .news-featured-body p {
            font-size: var(--font-size-sm);
            color: var(--text-muted);
            line-height: 1.55;
            text-align: left;
        }

        /* ============ COLLECTION DIRECTORY ============ */
        .collection-section {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-light);
        }

        .collection-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: var(--spacing-md);
        }

        .collection-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 4/5;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            transition: var(--transition);
            cursor: pointer;
        }

        .collection-card img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-slow);
        }

        .collection-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to top, rgba(7, 32, 23, 0.95) 0%, rgba(7, 32, 23, 0.4) 45%, rgba(7, 32, 23, 0.1) 100%);
            z-index: 1;
        }

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

        .collection-card:hover {
            box-shadow: var(--shadow-deep);
            border: 1px solid var(--accent-gold);
        }

        .collection-card-content {
            position: relative;
            z-index: 2;
            padding: 20px 18px;
        }

        .collection-card-content .collection-count {
            font-size: var(--font-size-xs);
            font-weight: 600;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
        }

        .collection-card-content h3 {
            font-size: var(--font-size-md);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 4px;
            text-align: left;
        }

        .collection-card-content .collection-link {
            font-size: var(--font-size-xs);
            font-weight: 700;
            color: var(--accent-gold);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            text-decoration: none;
            transition: var(--transition);
        }

        .collection-card-content .collection-link:hover {
            color: var(--accent-gold-light);
            gap: 8px;
        }

        /* ============ REVIEW WALL ============ */
        .review-section {
            background: var(--bg-primary);
        }

        .review-layout {
            display: grid;
            grid-template-columns: 0.7fr 1.3fr;
            gap: 32px;
            margin-top: var(--spacing-md);
            align-items: start;
        }

        .review-summary {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 28px;
            text-align: left;
        }

        .review-summary .review-score {
            font-size: var(--font-size-3xl);
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1;
            display: block;
            margin-bottom: 6px;
        }

        .review-summary .review-stars {
            color: var(--accent-gold);
            font-size: var(--font-size-md);
            letter-spacing: 2px;
            display: block;
            margin-bottom: 8px;
        }

        .review-summary p {
            font-size: var(--font-size-sm);
            color: var(--text-muted);
            line-height: 1.55;
        }

        .review-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .review-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            transition: var(--transition);
        }

        .review-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-warm);
        }

        .review-item-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 8px;
        }

        .review-item-name {
            font-size: var(--font-size-sm);
            font-weight: 700;
            color: var(--text-primary);
        }

        .review-item-stars {
            color: var(--accent-gold);
            font-size: var(--font-size-xs);
        }

        .review-item p {
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            line-height: 1.6;
            text-align: left;
        }

        /* ============ FORM ============ */
        .form-section {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-light);
        }

        .form-wrapper {
            max-width: 520px;
            margin: 0;
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-warm);
        }

        .form-wrapper h3 {
            font-size: var(--font-size-lg);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
            text-align: left;
        }

        .form-wrapper .form-hint {
            font-size: var(--font-size-sm);
            color: var(--text-muted);
            margin-bottom: 20px;
            text-align: left;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: var(--font-size-xs);
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }

        .form-group input {
            width: 100%;
            padding: 12px 16px;
            font-size: var(--font-size-base);
            color: var(--text-primary);
            background: rgba(7, 32, 23, 0.6);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xs);
            transition: var(--transition);
            outline: none;
        }

        .form-group input:focus {
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.12);
        }

        .form-group input::placeholder {
            color: var(--text-muted);
            opacity: 0.7;
        }

        .form-submit {
            width: 100%;
            padding: 14px 24px;
            font-size: var(--font-size-base);
            font-weight: 700;
            color: #FFFFFF;
            background: var(--accent-red);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow-red);
        }

        .form-submit:hover {
            background: var(--accent-red-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(211, 47, 47, 0.45);
        }

        .form-privacy {
            font-size: var(--font-size-xs);
            color: var(--text-muted);
            margin-top: 12px;
            text-align: left;
            line-height: 1.5;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--bg-primary);
        }

        .faq-list {
            max-width: 800px;
            margin-top: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-item.active {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-warm);
        }

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

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

        .faq-icon {
            font-size: 20px;
            color: var(--accent-gold);
            flex-shrink: 0;
            transition: var(--transition);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

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

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

        .faq-answer-inner {
            padding: 0 20px 18px 20px;
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            line-height: 1.65;
            text-align: left;
        }

        /* ============ CTA ============ */
        .cta-section {
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.92) 0%, rgba(7, 32, 23, 0.88) 100%);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: var(--font-size-2xl);
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
            text-align: center;
        }

        .cta-content p {
            font-size: var(--font-size-md);
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 28px;
            text-align: center;
        }

        .cta-button-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-gold);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            font-size: var(--font-size-sm);
            color: var(--text-muted);
            line-height: 1.6;
            margin-top: 12px;
            text-align: left;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-size-lg);
            font-weight: 900;
            color: var(--text-primary);
            text-decoration: none;
        }

        .footer-col h4 {
            font-size: var(--font-size-xs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--accent-gold);
            margin-bottom: 14px;
            text-align: left;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: var(--font-size-sm);
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
            text-align: left;
            display: block;
        }

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

        .footer-trust {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .trust-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-size-xs);
            color: var(--text-muted);
        }

        .trust-badge .badge-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            font-size: 14px;
            flex-shrink: 0;
        }

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

        .payment-badges span {
            display: inline-block;
            font-size: var(--font-size-xs);
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xs);
            padding: 4px 10px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .footer-bottom p {
            font-size: var(--font-size-xs);
            color: var(--text-muted);
            text-align: left;
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom .footer-links a {
            font-size: var(--font-size-xs);
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* ============ FAB ============ */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #3d2a08, #1a0f05 75%);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            animation: fabBreath 3s ease-in-out infinite;
            transition: var(--transition);
            text-decoration: none;
            cursor: pointer;
        }

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

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

        .fab-icon {
            font-size: 28px;
            line-height: 1;
        }

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

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

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

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

            .hero-visual {
                max-width: 400px;
                margin: 0 auto 0 0;
            }

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

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

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

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

            .review-layout {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 767px) {
            .nav-wrapper {
                height: 64px;
                gap: 12px;
            }

            .logo {
                font-size: var(--font-size-sm);
                letter-spacing: -0.2px;
                gap: 6px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }

            .mobile-toggle {
                display: flex;
                order: 2;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(7, 32, 23, 0.98);
                border-bottom: 1px solid var(--border-gold);
                padding: 12px 24px 20px;
                gap: 2px;
                z-index: 99;
            }

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

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

            .nav-links li a {
                display: block;
                width: 100%;
                padding: 12px 16px;
                text-align: left;
            }

            .nav-actions {
                margin-left: auto;
            }

            .btn-login {
                padding: 8px 12px;
                font-size: var(--font-size-xs);
            }

            .btn-signup {
                padding: 8px 16px;
                font-size: var(--font-size-xs);
            }

            .hero-section {
                padding: 100px 0 40px;
                min-height: auto;
            }

            .hero-content h1 {
                font-size: var(--font-size-xl);
                line-height: 1.25;
            }

            .hero-description {
                font-size: var(--font-size-base);
                line-height: 1.6;
            }

            .hero-stats {
                gap: 16px;
            }

            .hero-stat-number {
                font-size: var(--font-size-lg);
            }

            .progress-ring-svg {
                width: 120px;
                height: 120px;
            }

            .progress-ring-svg .ring-text-large {
                font-size: 20px;
            }

            .tier-card {
                padding: 10px 14px;
                font-size: var(--font-size-xs);
            }

            .tier-card-amount {
                font-size: var(--font-size-xs);
            }

            .section-heading h2 {
                font-size: var(--font-size-xl);
            }

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

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

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

            .news-layout {
                grid-template-columns: 1fr;
            }

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

            .collection-card {
                aspect-ratio: 16/9;
            }

            .review-summary {
                padding: 20px;
            }

            .review-summary .review-score {
                font-size: var(--font-size-2xl);
            }

            .form-wrapper {
                padding: 24px 18px;
            }

            .form-wrapper h3 {
                font-size: var(--font-size-md);
            }

            .cta-content h2 {
                font-size: var(--font-size-xl);
            }

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

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

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

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

            .hero-cta-group .btn-primary-hero,
            .hero-cta-group .btn-secondary-hero {
                padding: 12px 20px;
                font-size: var(--font-size-sm);
                width: 100%;
                justify-content: center;
            }

            .fab {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }

            .fab-icon {
                font-size: 22px;
            }
        }

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

            .hero-content h1 {
                font-size: var(--font-size-lg);
            }

            .hero-stat-number {
                font-size: var(--font-size-md);
            }

            .hero-stat-label {
                font-size: 0.7rem;
            }

            .btn-login {
                padding: 6px 10px;
                font-size: 0.7rem;
            }

            .btn-signup {
                padding: 6px 12px;
                font-size: 0.7rem;
            }

            .nav-wrapper {
                gap: 8px;
            }

            .logo {
                font-size: 0.8rem;
            }

            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }

            .section-heading h2 {
                font-size: var(--font-size-lg);
            }

            .section-heading .section-subtitle {
                font-size: var(--font-size-sm);
            }

            .value-card {
                padding: 22px 18px;
            }

            .value-card h3 {
                font-size: var(--font-size-md);
            }

            .news-featured-image {
                height: 140px;
            }

            .cta-button-group .btn-primary-hero,
            .cta-button-group .btn-secondary-hero {
                padding: 12px 18px;
                font-size: var(--font-size-sm);
                width: 100%;
                justify-content: center;
            }
        }

        /* ============ ACCESSIBILITY ============ */
        :focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-deep: #072017;
            --accent-gold: #FFD700;
            --accent-gold-light: #FFE44D;
            --accent-gold-dark: #C5A000;
            --accent-red: #D32F2F;
            --accent-red-dark: #A52222;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #8FBFAF;
            --text-on-gold: #0A2E1C;
            --border-gold: rgba(255, 215, 0, 0.28);
            --border-gold-strong: #FFD700;
            --border-light: rgba(255, 255, 255, 0.08);
            --card-bg: rgba(18, 62, 37, 0.72);
            --card-bg-solid: #10402A;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --radius-full: 999px;
            --shadow-warm: 0 6px 24px rgba(255, 215, 0, 0.14);
            --shadow-deep: 0 16px 40px rgba(0, 0, 0, 0.45);
            --shadow-red: 0 6px 24px rgba(211, 47, 47, 0.3);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 28px;
            --spacing-lg: 48px;
            --spacing-xl: 72px;
            --spacing-xxl: 100px;
            --font-primary: 'Be Vietnam Pro', 'Roboto', system-ui, -apple-system, sans-serif;
            --font-size-xs: 0.75rem;
            --font-size-sm: 0.875rem;
            --font-size-base: 1rem;
            --font-size-md: 1.125rem;
            --font-size-lg: 1.375rem;
            --font-size-xl: 1.75rem;
            --font-size-2xl: 2.25rem;
            --font-size-3xl: 3rem;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        
        body {
            font-family: var(--font-primary);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            font-size: var(--font-size-base);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-gold-light);
        }
        
        button {
            font-family: var(--font-primary);
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }
        
        input, select, textarea {
            font-family: var(--font-primary);
            font-size: var(--font-size-base);
        }
        
        section {
            position: relative;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        .section-spacing {
            padding: var(--spacing-xl) 0;
        }
        
        .section-heading {
            margin-bottom: var(--spacing-md);
        }
        .section-heading .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-size-xs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-full);
            padding: 6px 16px;
            margin-bottom: 12px;
        }
        .section-heading .section-label::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-gold);
        }
        .section-heading h2 {
            font-size: var(--font-size-2xl);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            text-align: left;
        }
        .section-heading .section-subtitle {
            font-size: var(--font-size-md);
            color: var(--text-secondary);
            line-height: 1.65;
            margin-top: 12px;
            max-width: 680px;
            text-align: left;
        }
        
        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(7, 32, 23, 0.97);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 76px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-size-lg);
            font-weight: 800;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--accent-gold);
        }
        .logo-icon {
            font-size: 1.6rem;
            display: flex;
            align-items: center;
        }
        .logo-accent {
            color: var(--accent-gold);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: var(--font-size-sm);
            font-weight: 600;
            color: var(--text-secondary);
            white-space: nowrap;
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        .nav-links li a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            padding: 9px 18px;
            border-radius: var(--radius-full);
            font-size: var(--font-size-sm);
            font-weight: 700;
            color: var(--text-primary);
            border: 1px solid var(--border-light);
            white-space: nowrap;
        }
        .btn-login:hover {
            color: var(--accent-gold);
            border-color: var(--border-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        .btn-signup {
            padding: 9px 22px;
            border-radius: var(--radius-full);
            font-size: var(--font-size-sm);
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            color: var(--text-on-gold);
            white-space: nowrap;
            border: 1px solid var(--border-gold-strong);
            box-shadow: var(--shadow-warm);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.3);
            color: var(--text-on-gold);
        }
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xs);
            z-index: 101;
        }
        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .mobile-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        
        /* ============ BREADCRUMB ============ */
        .breadcrumb {
            padding-top: 100px;
            padding-bottom: 0;
        }
        .breadcrumb-inner {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: var(--font-size-sm);
            color: var(--text-muted);
        }
        .breadcrumb-inner a {
            color: var(--text-muted);
        }
        .breadcrumb-inner a:hover {
            color: var(--accent-gold);
        }
        .breadcrumb-inner .sep {
            color: var(--border-gold);
            font-size: var(--font-size-xs);
        }
        .breadcrumb-inner .current {
            color: var(--accent-gold);
            font-weight: 600;
        }
        
        /* ============ ARTICLE HERO ============ */
        .article-hero {
            padding: var(--spacing-md) 0;
            border-bottom: 1px solid var(--border-light);
            background: linear-gradient(180deg, rgba(7, 32, 23, 0.6) 0%, var(--bg-primary) 100%);
        }
        .article-hero-inner {
            max-width: 850px;
        }
        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            font-size: var(--font-size-xs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--accent-gold);
            margin-bottom: 15px;
        }
        .article-hero h1 {
            font-size: clamp(1.75rem, 4vw, 3rem);
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 18px;
            text-align: left;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: var(--font-size-sm);
            color: var(--text-muted);
        }
        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-meta .meta-item i {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }
                
        /* ============ ARTICLE LAYOUT ============ */
        .article-page {
            padding: var(--spacing-md) 0 var(--spacing-lg);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            align-items: start;
        }
        .article-main {
            min-width: 0;
        }
        .article-sidebar {
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        
        /* Article content styling */
        .article-content {
            font-size: var(--font-size-md);
            line-height: 1.75;
            color: var(--text-secondary);
        }
        .article-content h2 {
            font-size: var(--font-size-xl);
            font-weight: 800;
            color: var(--text-primary);
            margin: 32px 0 16px;
            line-height: 1.3;
        }
        .article-content h3 {
            font-size: var(--font-size-lg);
            font-weight: 700;
            color: var(--text-primary);
            margin: 24px 0 12px;
            line-height: 1.4;
        }
        .article-content p {
            margin-bottom: 16px;
        }
        .article-content ul, .article-content ol {
            margin: 16px 0;
            padding-left: 24px;
        }
        .article-content li {
            margin-bottom: 10px;
        }
        .article-content blockquote {
            margin: 24px 0;
            padding: 20px 24px;
            border-left: 4px solid var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-secondary);
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            border: 1px solid var(--border-gold);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: var(--font-size-sm);
        }
        .article-content table th,
        .article-content table td {
            padding: 12px 16px;
            border: 1px solid var(--border-light);
            text-align: left;
        }
        .article-content table th {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            font-weight: 700;
        }
        .article-content table td {
            color: var(--text-secondary);
        }
        
        /* Article image */
        .article-featured-image {
            margin: 24px 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 2px solid var(--border-gold);
            box-shadow: var(--shadow-deep);
        }
        .article-featured-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        /* Sidebar widgets */
        .sidebar-widget {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 22px;
        }
        .sidebar-widget h4 {
            font-size: var(--font-size-md);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-widget h4 i {
            color: var(--accent-gold);
        }
        .toc-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .toc-list li {
            margin-bottom: 10px;
        }
        .toc-list li a {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .toc-list li a:hover {
            color: var(--accent-gold);
        }
        .toc-list li a .toc-number {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-xs);
            font-size: var(--font-size-xs);
            font-weight: 700;
            color: var(--accent-gold);
        }
        
        /* Sidebar CTA */
        .sidebar-cta {
            background: linear-gradient(135deg, var(--bg-deep) 0%, var(--bg-secondary) 100%);
            border: 1px solid var(--border-gold-strong);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: left;
        }
        .sidebar-cta h4 {
            font-size: var(--font-size-md);
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }
        .sidebar-cta p {
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .sidebar-cta .btn-cta-side {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            width: 100%;
            justify-content: center;
            padding: 12px 20px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            color: var(--text-on-gold);
            font-weight: 700;
            font-size: var(--font-size-sm);
            border: 1px solid var(--border-gold-strong);
        }
        .sidebar-cta .btn-cta-side:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-warm);
            color: var(--text-on-gold);
        }
        
        /* Article not found */
        .article-not-found {
            text-align: center;
            padding: var(--spacing-xl) 0;
            color: var(--text-secondary);
        }
        .article-not-found h2 {
            font-size: var(--font-size-2xl);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .article-not-found p {
            margin-bottom: 24px;
            color: var(--text-muted);
        }
        .article-not-found .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            color: var(--text-on-gold);
            font-weight: 700;
            font-size: var(--font-size-sm);
        }
        .article-not-found .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-warm);
            color: var(--text-on-gold);
        }
        
        /* ============ AUTHOR BOX ============ */
        .author-box {
            margin-top: 40px;
            padding: 24px;
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .author-box .author-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-red) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .author-box .author-avatar i {
            font-size: 1.5rem;
            color: var(--text-on-gold);
        }
        .author-info h5 {
            font-size: var(--font-size-md);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .author-info p {
            font-size: var(--font-size-sm);
            color: var(--text-muted);
            line-height: 1.6;
        }
        
        /* ============ RELATED ARTICLES ============ */
        .related-section {
            padding: var(--spacing-md) 0 var(--spacing-lg);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 24px;
        }
        .related-card {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-warm);
        }
        .related-card .card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }
        .related-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-slow);
        }
        .related-card:hover .card-image img {
            transform: scale(1.05);
        }
        .related-card .card-body {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card .card-category {
            font-size: var(--font-size-xs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }
        .related-card .card-title {
            font-size: var(--font-size-md);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .related-card .card-excerpt {
            font-size: var(--font-size-sm);
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 12px;
            flex: 1;
        }
        .related-card .card-link {
            font-size: var(--font-size-sm);
            font-weight: 700;
            color: var(--accent-gold);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .related-card .card-link:hover {
            color: var(--accent-gold-light);
            gap: 10px;
        }
        
        /* ============ FAQ ============ */
        .faq-section {
            padding: var(--spacing-lg) 0;
            background: var(--bg-deep);
        }
        .faq-list {
            max-width: 800px;
            margin-top: 24px;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-gold);
        }
        .faq-item.active {
            border-color: var(--border-gold-strong);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 700;
            font-size: var(--font-size-base);
            color: var(--text-primary);
            text-align: left;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: var(--transition);
            color: var(--accent-gold);
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            line-height: 1.7;
        }
        
        /* ============ CTA ============ */
        .cta-section {
            padding: var(--spacing-xl) 0;
            text-align: center;
            background: linear-gradient(135deg, var(--bg-deep) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
        }
        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 12px;
            text-align: center;
        }
        .cta-section p {
            font-size: var(--font-size-md);
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 24px;
            text-align: center;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            color: var(--text-on-gold);
            font-weight: 700;
            font-size: var(--font-size-md);
            border: 1px solid var(--border-gold-strong);
            box-shadow: var(--shadow-warm);
        }
        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 36px rgba(255, 215, 0, 0.35);
            color: var(--text-on-gold);
        }
        
        /* ============ FLOATING ACTION BUTTON ============ */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--bg-deep) 0%, var(--bg-secondary) 100%);
            border: 2px solid var(--border-gold-strong);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.7;
            animation: fabPulse 3s ease-in-out infinite;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
        }
        .fab:active {
            transform: scale(0.95);
        }
        .fab i {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }
        .fab .notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid var(--bg-deep);
            animation: dotBlink 1.5s ease-in-out infinite;
        }
        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3); }
            50% { box-shadow: 0 4px 32px rgba(255, 215, 0, 0.55); }
        }
        @keyframes dotBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-gold);
            padding: var(--spacing-lg) 0 var(--spacing-md);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-size-lg);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-brand .footer-logo:hover {
            color: var(--accent-gold);
        }
        .footer-brand p {
            font-size: var(--font-size-sm);
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: var(--font-size-sm);
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        .footer-trust {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .trust-badge {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            background: rgba(255, 215, 0, 0.06);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
        }
        .trust-badge .badge-icon {
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 24px;
            text-align: center;
            font-size: var(--font-size-xs);
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--accent-gold);
        }
        .footer-bottom a:hover {
            color: var(--accent-gold-light);
        }
        
        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .article-sidebar .sidebar-widget,
            .article-sidebar .sidebar-cta {
                flex: 1;
                min-width: 280px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        
        @media (max-width: 768px) {
            .nav-wrapper {
                height: 64px;
                gap: 12px;
            }
            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(7, 32, 23, 0.98);
                border-bottom: 1px solid var(--border-gold);
                flex-direction: column;
                gap: 0;
                padding: 16px 24px;
                transform: translateY(-120%);
                transition: var(--transition);
                z-index: 99;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                display: block;
                padding: 14px 16px;
                font-size: var(--font-size-base);
                width: 100%;
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-actions {
                gap: 8px;
            }
            .btn-login {
                padding: 8px 14px;
                font-size: var(--font-size-xs);
            }
            .btn-signup {
                padding: 8px 16px;
                font-size: var(--font-size-xs);
            }
            .logo {
                font-size: var(--font-size-md);
            }
            .logo-icon {
                font-size: 1.3rem;
            }
            
            .article-hero {
                padding: var(--spacing-sm) 0;
            }
            .article-hero h1 {
                font-size: clamp(1.375rem, 4vw, 2rem);
            }
            .article-meta {
                gap: 8px 16px;
                font-size: var(--font-size-xs);
            }
            
            .article-page {
                padding: var(--spacing-sm) 0 var(--spacing-md);
            }
            .article-content {
                font-size: var(--font-size-base);
                line-height: 1.7;
            }
            .article-content h2 {
                font-size: var(--font-size-lg);
            }
            
            .author-box {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            
            .related-grid {
                grid-template-columns: 1fr;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            
            .fab {
                width: 48px;
                height: 48px;
                bottom: 80px;
                left: 12px;
            }
            .fab i {
                font-size: 1.3rem;
            }
            
            .container {
                padding: 0 16px;
            }
        }
        
        @media (max-width: 520px) {
            .nav-actions {
                gap: 4px;
            }
            .btn-login, .btn-signup {
                padding: 6px 10px;
                font-size: 10px;
                white-space: nowrap;
            }
            .logo {
                font-size: var(--font-size-sm);
                gap: 6px;
            }
            .logo-icon {
                font-size: 1.1rem;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .article-sidebar {
                flex-direction: column;
            }
            .article-sidebar .sidebar-widget,
            .article-sidebar .sidebar-cta {
                min-width: 100%;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-deep: #072017;
            --accent-gold: #FFD700;
            --accent-gold-light: #FFE44D;
            --accent-gold-dark: #C5A000;
            --accent-red: #D32F2F;
            --accent-red-dark: #A52222;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #8FBFAF;
            --text-on-gold: #0A2E1C;
            --border-gold: rgba(255, 215, 0, 0.28);
            --border-gold-strong: #FFD700;
            --border-light: rgba(255, 255, 255, 0.08);
            --card-bg: rgba(18, 62, 37, 0.72);
            --card-bg-solid: #10402A;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --radius-full: 999px;
            --shadow-warm: 0 6px 24px rgba(255, 215, 0, 0.14);
            --shadow-deep: 0 16px 40px rgba(0, 0, 0, 0.45);
            --shadow-red: 0 6px 24px rgba(211, 47, 47, 0.3);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 28px;
            --spacing-lg: 48px;
            --spacing-xl: 72px;
            --spacing-xxl: 100px;
            --font-primary: 'Be Vietnam Pro', 'Roboto', system-ui, -apple-system, sans-serif;
            --font-size-xs: 0.75rem;
            --font-size-sm: 0.875rem;
            --font-size-base: 1rem;
            --font-size-md: 1.125rem;
            --font-size-lg: 1.375rem;
            --font-size-xl: 1.75rem;
            --font-size-2xl: 2.25rem;
            --font-size-3xl: 3rem;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{
            scroll-behavior:smooth;
            -webkit-text-size-adjust:100%;
        }
        body{
            font-family:var(--font-primary);
            background-color:var(--bg-primary);
            color:var(--text-primary);
            line-height:1.65;
            font-size:var(--font-size-base);
            overflow-x:hidden;
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
        }
        img{
            max-width:100%;
            height:auto;
            display:block;
        }
        a{
            color:var(--accent-gold);
            text-decoration:none;
            transition:var(--transition);
        }
        a:hover{
            color:var(--accent-gold-light);
        }
        button{
            font-family:var(--font-primary);
            cursor:pointer;
            border:none;
            background:none;
            transition:var(--transition);
        }
        input,select,textarea{
            font-family:var(--font-primary);
            font-size:var(--font-size-base);
        }
        section{position:relative}
        .container{
            max-width:1200px;
            margin:0 auto;
            padding:0 24px;
        }
        .section-spacing{
            padding:var(--spacing-xl) 0;
        }
        .section-spacing-lg{
            padding:var(--spacing-xxl) 0;
        }
        .section-heading{
            margin-bottom:var(--spacing-md);
        }
        .section-heading .section-label{
            display:inline-flex;
            align-items:center;
            gap:8px;
            font-size:var(--font-size-xs);
            font-weight:700;
            text-transform:uppercase;
            letter-spacing:1.2px;
            color:var(--accent-gold);
            background:rgba(255,215,0,0.1);
            border:1px solid var(--border-gold);
            border-radius:var(--radius-full);
            padding:6px 16px;
            margin-bottom:12px;
        }
        .section-heading .section-label::before{
            content:'';
            width:8px;
            height:8px;
            border-radius:50%;
            background:var(--accent-gold);
        }
        .section-heading h2{
            font-size:var(--font-size-2xl);
            font-weight:800;
            line-height:1.25;
            color:var(--text-primary);
            text-align:left;
        }
        .section-heading .section-subtitle{
            font-size:var(--font-size-md);
            color:var(--text-secondary);
            line-height:1.65;
            margin-top:12px;
            max-width:680px;
            text-align:left;
        }

        /* Header/Nav */
        .site-header{
            position:fixed;
            top:0;
            left:0;
            right:0;
            z-index:100;
            background:rgba(10,46,28,0.92);
            backdrop-filter:blur(16px);
            -webkit-backdrop-filter:blur(16px);
            border-bottom:1px solid var(--border-gold);
            transition:var(--transition);
        }
        .site-header.scrolled{
            background:rgba(7,32,23,0.97);
            box-shadow:0 4px 20px rgba(0,0,0,0.3);
        }
        .nav-wrapper{
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:20px;
            height:76px;
        }
        .logo{
            display:flex;
            align-items:center;
            gap:10px;
            font-size:1.25rem;
            font-weight:800;
            color:var(--text-primary);
            white-space:nowrap;
        }
        .logo-icon{
            font-size:1.8rem;
        }
        .logo-accent{
            color:var(--accent-gold);
        }
        .nav-links{
            display:flex;
            align-items:center;
            gap:28px;
            list-style:none;
        }
        .nav-links a{
            color:var(--text-secondary);
            font-weight:600;
            font-size:0.95rem;
            padding:8px 0;
            position:relative;
            white-space:nowrap;
        }
        .nav-links a::after{
            content:'';
            position:absolute;
            bottom:0;
            left:0;
            width:0;
            height:2px;
            background:var(--accent-gold);
            transition:var(--transition);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after{
            width:100%;
        }
        .nav-links a.active{
            color:var(--accent-gold);
        }
        .nav-actions{
            display:flex;
            align-items:center;
            gap:12px;
        }
        .btn-login{
            color:var(--text-primary);
            font-weight:600;
            font-size:0.9rem;
            padding:10px 16px;
            border-radius:var(--radius-full);
            transition:var(--transition);
        }
        .btn-login:hover{
            background:rgba(255,255,255,0.08);
            color:var(--accent-gold-light);
        }
        .btn-signup{
            background:var(--accent-gold);
            color:var(--text-on-gold);
            font-weight:700;
            font-size:0.9rem;
            padding:10px 22px;
            border-radius:var(--radius-full);
            box-shadow:var(--shadow-warm);
            transition:var(--transition);
        }
        .btn-signup:hover{
            background:var(--accent-gold-light);
            transform:translateY(-2px);
            box-shadow:0 8px 28px rgba(255,215,0,0.35);
        }
        .mobile-toggle{
            display:none;
            flex-direction:column;
            gap:5px;
            padding:8px;
            background:none;
            border:1px solid var(--border-gold);
            border-radius:8px;
        }
        .mobile-toggle span{
            display:block;
            width:22px;
            height:2px;
            background:var(--accent-gold);
            transition:var(--transition);
        }

        /* Hero */
        .hero-category{
            padding:140px 0 80px;
            background:radial-gradient(circle at 20% 20%, rgba(255,215,0,0.08) 0%, transparent 45%),
                       radial-gradient(circle at 80% 60%, rgba(211,47,47,0.06) 0%, transparent 40%),
                       var(--bg-deep);
            position:relative;
            overflow:hidden;
        }
        .hero-category::before{
            content:'';
            position:absolute;
            top:0;
            left:0;
            right:0;
            bottom:0;
            background-image:url('/assets/images/backpic/back-1.jpg');
            background-size:cover;
            background-position:center;
            opacity:0.15;
            z-index:0;
        }
        .hero-content{
            position:relative;
            z-index:1;
            display:grid;
            grid-template-columns:1.1fr 0.9fr;
            gap:48px;
            align-items:center;
        }
        .hero-text .badge-tag{
            display:inline-block;
            background:var(--accent-red);
            color:#fff;
            font-size:0.75rem;
            font-weight:700;
            padding:6px 14px;
            border-radius:var(--radius-full);
            margin-bottom:16px;
            letter-spacing:0.5px;
            text-transform:uppercase;
        }
        .hero-text h1{
            font-size:var(--font-size-3xl);
            font-weight:900;
            line-height:1.2;
            margin-bottom:16px;
        }
        .hero-text .highlight{
            color:var(--accent-gold);
        }
        .hero-text .hero-desc{
            font-size:var(--font-size-md);
            color:var(--text-secondary);
            margin-bottom:28px;
            max-width:520px;
        }
        .hero-actions{
            display:flex;
            flex-wrap:wrap;
            gap:16px;
            align-items:center;
        }
        .btn-primary{
            background:var(--accent-gold);
            color:var(--text-on-gold);
            font-weight:800;
            font-size:1rem;
            padding:14px 32px;
            border-radius:var(--radius-full);
            box-shadow:var(--shadow-warm);
            transition:var(--transition);
            display:inline-flex;
            align-items:center;
            gap:8px;
        }
        .btn-primary:hover{
            background:var(--accent-gold-light);
            transform:translateY(-2px);
            box-shadow:0 10px 30px rgba(255,215,0,0.4);
        }
        .btn-outline-light{
            background:transparent;
            border:1px solid var(--border-gold);
            color:var(--accent-gold);
            font-weight:700;
            font-size:1rem;
            padding:14px 28px;
            border-radius:var(--radius-full);
            transition:var(--transition);
        }
        .btn-outline-light:hover{
            background:rgba(255,215,0,0.1);
            border-color:var(--accent-gold-light);
            transform:translateY(-2px);
        }
        .hero-visual{
            position:relative;
            z-index:1;
            display:flex;
            justify-content:center;
        }
        .hero-visual img{
            border-radius:var(--radius-lg);
            border:2px solid var(--border-gold);
            box-shadow:var(--shadow-deep);
            max-height:420px;
            width:100%;
            object-fit:cover;
        }
        .hero-floating-card{
            position:absolute;
            bottom:-20px;
            left:-20px;
            background:var(--card-bg-solid);
            border:1px solid var(--border-gold);
            border-radius:var(--radius-md);
            padding:18px 20px;
            box-shadow:var(--shadow-warm);
            backdrop-filter:blur(8px);
        }
        .hero-floating-card .num{
            font-size:1.5rem;
            font-weight:800;
            color:var(--accent-gold);
        }
        .hero-floating-card .label{
            font-size:0.8rem;
            color:var(--text-muted);
        }

        /* Stats strip */
        .stats-strip{
            background:var(--bg-secondary);
            border-top:1px solid var(--border-gold);
            border-bottom:1px solid var(--border-gold);
            padding:28px 0;
        }
        .stats-grid{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:24px;
        }
        .stat-item{
            text-align:left;
        }
        .stat-item .stat-value{
            font-size:1.8rem;
            font-weight:800;
            color:var(--accent-gold);
            line-height:1.2;
        }
        .stat-item .stat-label{
            font-size:0.85rem;
            color:var(--text-muted);
            margin-top:4px;
        }

        /* Value propositions */
        .value-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:28px;
            margin-top:40px;
        }
        .value-card{
            background:var(--card-bg);
            border:1px solid var(--border-gold);
            border-radius:var(--radius-md);
            padding:28px;
            transition:var(--transition);
        }
        .value-card:hover{
            transform:translateY(-4px);
            box-shadow:var(--shadow-warm);
            border-color:var(--accent-gold-light);
        }
        .value-icon{
            width:52px;
            height:52px;
            border-radius:var(--radius-sm);
            background:rgba(255,215,0,0.1);
            display:flex;
            align-items:center;
            justify-content:center;
            font-size:1.5rem;
            margin-bottom:16px;
        }
        .value-card h3{
            font-size:1.15rem;
            font-weight:700;
            margin-bottom:10px;
        }
        .value-card p{
            font-size:0.9rem;
            color:var(--text-secondary);
            line-height:1.6;
        }

        /* Strategy list */
        .strategy-list{
            display:flex;
            flex-direction:column;
            gap:16px;
            margin-top:32px;
        }
        .strategy-item{
            display:flex;
            align-items:flex-start;
            gap:16px;
            background:var(--card-bg);
            border:1px solid var(--border-light);
            border-radius:var(--radius-sm);
            padding:18px 22px;
            transition:var(--transition);
        }
        .strategy-item:hover{
            border-color:var(--border-gold);
            background:var(--card-bg-solid);
        }
        .strategy-num{
            min-width:36px;
            height:36px;
            border-radius:50%;
            background:var(--accent-gold);
            color:var(--text-on-gold);
            font-weight:800;
            display:flex;
            align-items:center;
            justify-content:center;
            font-size:0.9rem;
        }
        .strategy-item h4{
            font-size:1rem;
            font-weight:700;
            margin-bottom:6px;
        }
        .strategy-item p{
            font-size:0.85rem;
            color:var(--text-secondary);
            line-height:1.6;
        }

        /* Scenario section */
        .scenario-grid{
            display:grid;
            grid-template-columns:repeat(2,1fr);
            gap:24px;
            margin-top:36px;
        }
        .scenario-card{
            position:relative;
            border-radius:var(--radius-md);
            overflow:hidden;
            min-height:220px;
            display:flex;
            align-items:flex-end;
            border:1px solid var(--border-gold);
            box-shadow:var(--shadow-deep);
        }
        .scenario-card img{
            position:absolute;
            inset:0;
            width:100%;
            height:100%;
            object-fit:cover;
            opacity:0.55;
            transition:var(--transition-slow);
        }
        .scenario-card:hover img{
            opacity:0.75;
            transform:scale(1.05);
        }
        .scenario-overlay{
            position:relative;
            z-index:1;
            padding:24px;
            background:linear-gradient(to top, rgba(7,32,23,0.95) 20%, transparent);
            width:100%;
        }
        .scenario-overlay h3{
            font-size:1.3rem;
            font-weight:800;
            margin-bottom:8px;
        }
        .scenario-overlay p{
            font-size:0.9rem;
            color:var(--text-secondary);
        }

        /* FAQ */
        .faq-list{
            margin-top:32px;
            display:flex;
            flex-direction:column;
            gap:12px;
        }
        .faq-item{
            background:var(--card-bg);
            border:1px solid var(--border-light);
            border-radius:var(--radius-sm);
            overflow:hidden;
            transition:var(--transition);
        }
        .faq-question{
            width:100%;
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:16px;
            padding:18px 24px;
            background:none;
            color:var(--text-primary);
            font-weight:700;
            font-size:0.95rem;
            text-align:left;
        }
        .faq-question:hover{
            color:var(--accent-gold);
        }
        .faq-icon{
            font-size:1.2rem;
            color:var(--accent-gold);
            transition:var(--transition);
        }
        .faq-answer{
            padding:0 24px 18px;
            color:var(--text-secondary);
            font-size:0.9rem;
            line-height:1.6;
            display:none;
        }
        .faq-item.active .faq-icon{
            transform:rotate(45deg);
        }
        .faq-item.active .faq-answer{
            display:block;
        }
        .faq-item.active{
            border-color:var(--accent-gold);
        }

        /* CTA */
        .cta-section{
            background:radial-gradient(circle at center, rgba(255,215,0,0.1), transparent 60%);
            padding:var(--spacing-xl) 0;
            text-align:center;
        }
        .cta-box{
            max-width:700px;
            margin:0 auto;
        }
        .cta-box h2{
            font-size:var(--font-size-2xl);
            font-weight:900;
            margin-bottom:16px;
        }
        .cta-box p{
            color:var(--text-secondary);
            margin-bottom:28px;
            font-size:var(--font-size-md);
        }
        .cta-actions{
            display:flex;
            justify-content:center;
            flex-wrap:wrap;
            gap:16px;
        }

        /* Footer */
        .site-footer{
            background:var(--bg-deep);
            border-top:1px solid var(--border-gold);
            padding:60px 0 30px;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:2fr 1fr 1fr 1fr;
            gap:40px;
            margin-bottom:40px;
        }
        .footer-logo{
            display:flex;
            align-items:center;
            gap:10px;
            font-size:1.3rem;
            font-weight:800;
            color:var(--text-primary);
            margin-bottom:16px;
        }
        .footer-logo .logo-icon{
            font-size:1.8rem;
        }
        .footer-brand p{
            color:var(--text-muted);
            font-size:0.9rem;
            line-height:1.7;
            max-width:360px;
        }
        .footer-col h4{
            font-size:0.9rem;
            font-weight:800;
            text-transform:uppercase;
            letter-spacing:0.8px;
            color:var(--accent-gold);
            margin-bottom:16px;
        }
        .footer-col ul{
            list-style:none;
        }
        .footer-col ul li{
            margin-bottom:10px;
        }
        .footer-col ul li a{
            color:var(--text-secondary);
            font-size:0.9rem;
            transition:var(--transition);
        }
        .footer-col ul li a:hover{
            color:var(--accent-gold);
            padding-left:4px;
        }
        .footer-trust{
            display:flex;
            flex-direction:column;
            gap:12px;
        }
        .trust-badge{
            display:flex;
            align-items:center;
            gap:10px;
            color:var(--text-secondary);
            font-size:0.85rem;
            background:rgba(255,255,255,0.04);
            padding:10px 14px;
            border-radius:var(--radius-xs);
            border:1px solid var(--border-light);
        }
        .badge-icon{
            font-size:1.1rem;
        }
        .footer-bottom{
            border-top:1px solid var(--border-light);
            padding-top:24px;
            display:flex;
            flex-wrap:wrap;
            justify-content:space-between;
            gap:12px;
            font-size:0.8rem;
            color:var(--text-muted);
        }

        /* FAB */
        .fab-left{
            position:fixed;
            left:16px;
            bottom:96px;
            z-index:50;
            width:56px;
            height:56px;
            border-radius:50%;
            background:var(--bg-deep);
            border:2px solid var(--accent-gold);
            display:flex;
            align-items:center;
            justify-content:center;
            font-size:1.5rem;
            box-shadow:0 4px 20px rgba(255,215,0,0.3);
            opacity:0.7;
            animation:breath 3s infinite;
            transition:var(--transition);
        }
        .fab-left:hover{
            opacity:1;
            transform:scale(1.1) rotate(360deg);
            box-shadow:0 0 25px rgba(255,215,0,0.6);
        }
        .fab-left .notif-dot{
            position:absolute;
            top:2px;
            right:2px;
            width:12px;
            height:12px;
            border-radius:50%;
            background:var(--accent-red);
            border:2px solid #fff;
            animation:blink 1.2s infinite;
        }
        @keyframes breath{
            0%,100%{transform:translateY(0)}
            50%{transform:translateY(-8px)}
        }
        @keyframes blink{
            0%,100%{opacity:1}
            50%{opacity:0.3}
        }

        /* Responsive */
        @media (max-width:1024px){
            .hero-content{
                grid-template-columns:1fr;
                gap:32px;
            }
            .hero-visual{
                order:-1;
            }
            .value-grid{
                grid-template-columns:repeat(2,1fr);
            }
            .footer-grid{
                grid-template-columns:1fr 1fr;
            }
            .stats-grid{
                grid-template-columns:repeat(2,1fr);
            }
        }
        @media (max-width:768px){
            .nav-wrapper{
                height:64px;
            }
            .nav-links{
                position:fixed;
                top:64px;
                left:0;
                right:0;
                background:var(--bg-deep);
                flex-direction:column;
                align-items:flex-start;
                gap:0;
                padding:20px 24px;
                border-bottom:1px solid var(--border-gold);
                transform:translateY(-120%);
                transition:var(--transition);
                z-index:99;
            }
            .nav-links.open{
                transform:translateY(0);
            }
            .nav-links li{
                width:100%;
            }
            .nav-links a{
                display:block;
                padding:14px 0;
                font-size:1rem;
            }
            .mobile-toggle{
                display:flex;
            }
            .btn-login,
            .btn-signup{
                padding:8px 14px;
                font-size:0.8rem;
            }
            .hero-category{
                padding:110px 0 60px;
            }
            .hero-text h1{
                font-size:1.8rem;
            }
            .stats-grid{
                grid-template-columns:1fr 1fr;
                gap:16px;
            }
            .value-grid{
                grid-template-columns:1fr;
            }
            .scenario-grid{
                grid-template-columns:1fr;
            }
            .footer-grid{
                grid-template-columns:1fr;
                gap:28px;
            }
            .section-heading h2{
                font-size:1.6rem;
            }
        }
        @media (max-width:520px){
            .container{
                padding:0 16px;
            }
            .hero-text h1{
                font-size:1.5rem;
            }
            .hero-actions{
                flex-direction:column;
                align-items:stretch;
            }
            .btn-primary,
            .btn-outline-light{
                justify-content:center;
            }
            .stats-grid{
                grid-template-columns:1fr;
            }
            .hero-floating-card{
                left:0;
                bottom:0;
            }
            .fab-left{
                width:48px;
                height:48px;
                left:12px;
                bottom:80px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-deep: #072017;
            --accent-gold: #FFD700;
            --accent-gold-light: #FFE44D;
            --accent-gold-dark: #C5A000;
            --accent-red: #D32F2F;
            --accent-red-dark: #A52222;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #8FBFAF;
            --text-on-gold: #0A2E1C;
            --border-gold: rgba(255, 215, 0, 0.28);
            --border-gold-strong: #FFD700;
            --border-light: rgba(255, 255, 255, 0.08);
            --card-bg: rgba(18, 62, 37, 0.72);
            --card-bg-solid: #10402A;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --radius-full: 999px;
            --shadow-warm: 0 6px 24px rgba(255, 215, 0, 0.14);
            --shadow-deep: 0 16px 40px rgba(0, 0, 0, 0.45);
            --shadow-red: 0 6px 24px rgba(211, 47, 47, 0.3);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 28px;
            --spacing-lg: 48px;
            --spacing-xl: 72px;
            --spacing-xxl: 100px;
            --font-primary: 'Be Vietnam Pro', 'Roboto', system-ui, -apple-system, sans-serif;
            --font-size-xs: 0.75rem;
            --font-size-sm: 0.875rem;
            --font-size-base: 1rem;
            --font-size-md: 1.125rem;
            --font-size-lg: 1.375rem;
            --font-size-xl: 1.75rem;
            --font-size-2xl: 2.25rem;
            --font-size-3xl: 3rem;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-primary);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            font-size: var(--font-size-base);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-gold-light);
        }
        button {
            font-family: var(--font-primary);
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }
        input,
        select,
        textarea {
            font-family: var(--font-primary);
            font-size: var(--font-size-base);
        }
        section {
            position: relative;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-spacing {
            padding: var(--spacing-xl) 0;
        }
        .section-spacing-lg {
            padding: var(--spacing-xxl) 0;
        }
        .section-heading {
            margin-bottom: var(--spacing-md);
        }
        .section-heading .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-size-xs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-full);
            padding: 6px 16px;
            margin-bottom: 12px;
        }
        .section-heading .section-label::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-gold);
        }
        .section-heading h2 {
            font-size: var(--font-size-2xl);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            text-align: left;
        }
        .section-heading .section-subtitle {
            font-size: var(--font-size-md);
            color: var(--text-secondary);
            line-height: 1.65;
            margin-top: 12px;
            max-width: 680px;
            text-align: left;
        }
        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(7, 32, 23, 0.97);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.15rem;
            color: var(--text-primary);
            letter-spacing: -0.2px;
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--accent-gold-light);
        }
        .logo-icon {
            font-size: 1.5rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #3a1c0f, #0a2e1c);
            border: 1px solid var(--border-gold);
            border-radius: 50%;
            flex-shrink: 0;
        }
        .logo-accent {
            color: var(--accent-gold);
        }
        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: var(--font-size-sm);
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius-full);
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--accent-gold-light);
            background: rgba(255, 215, 0, 0.06);
        }
        .nav-links a.active {
            color: var(--text-on-gold);
            background: var(--accent-gold);
            font-weight: 700;
        }
        .nav-links a.active:hover {
            color: var(--text-on-gold);
            background: var(--accent-gold-light);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 18px;
            font-size: var(--font-size-sm);
            font-weight: 700;
            color: var(--text-primary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-full);
            transition: var(--transition);
        }
        .btn-login:hover {
            border-color: var(--border-gold);
            color: var(--accent-gold-light);
            background: rgba(255, 215, 0, 0.05);
        }
        .btn-signup {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 22px;
            font-size: var(--font-size-sm);
            font-weight: 700;
            color: var(--text-on-gold);
            background: var(--accent-gold);
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-full);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-signup:hover {
            background: var(--accent-gold-light);
            border-color: var(--accent-gold-light);
            color: var(--text-on-gold);
            transform: translateY(-2px);
            box-shadow: var(--shadow-warm);
        }
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            align-items: center;
            justify-content: center;
        }
        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: var(--transition);
        }
        .mobile-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* ============ HERO BENTO ============ */
        .page-hero {
            padding-top: 130px;
            padding-bottom: var(--spacing-lg);
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 32, 23, 0.93) 0%, rgba(10, 46, 28, 0.78) 50%, rgba(7, 32, 23, 0.88) 100%);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-bento {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            grid-template-rows: auto auto auto;
            gap: 18px;
        }
        .hero-main {
            grid-column: 1 / 2;
            grid-row: 1 / 3;
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
            padding: var(--spacing-md);
        }
        .hero-main .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-size-xs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-full);
            padding: 6px 16px;
            margin-bottom: 16px;
            width: fit-content;
        }
        .hero-main h1 {
            font-size: var(--font-size-3xl);
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .hero-main h1 .gold-accent {
            color: var(--accent-gold);
        }
        .hero-main .hero-desc {
            font-size: var(--font-size-md);
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 580px;
            margin-bottom: 22px;
        }
        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: var(--font-size-base);
            font-weight: 700;
            color: var(--text-on-gold);
            background: var(--accent-gold);
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-full);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--accent-gold-light);
            border-color: var(--accent-gold-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-warm);
            color: var(--text-on-gold);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: var(--font-size-base);
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-full);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-outline:hover {
            border-color: var(--border-gold);
            color: var(--accent-gold-light);
            background: rgba(255, 215, 0, 0.05);
        }
        .hero-small-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            transition: var(--transition);
        }
        .hero-small-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-warm);
        }
        .hero-small-card .small-icon {
            font-size: 1.8rem;
            margin-bottom: 8px;
        }
        .hero-small-card .small-label {
            font-size: var(--font-size-xs);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--text-muted);
            margin-bottom: 2px;
        }
        .hero-small-card .small-value {
            font-size: var(--font-size-lg);
            font-weight: 800;
            color: var(--accent-gold);
        }
        .hero-cta-bar {
            grid-column: 1 / -1;
            background: linear-gradient(135deg, rgba(18, 62, 37, 0.8), rgba(10, 46, 28, 0.9));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-cta-bar .cta-text {
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            font-weight: 500;
        }
        .hero-cta-bar .cta-text strong {
            color: var(--accent-gold);
            font-weight: 700;
        }
        /* ============ RULES SECTION ============ */
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-top: var(--spacing-md);
        }
        .rule-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .rule-item:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-warm);
            transform: translateY(-3px);
        }
        .rule-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent-gold);
            color: var(--text-on-gold);
            font-weight: 800;
            font-size: var(--font-size-sm);
            border-radius: var(--radius-xs);
            margin-bottom: 14px;
        }
        .rule-item h3 {
            font-size: var(--font-size-lg);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .rule-item p {
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            line-height: 1.65;
            flex-grow: 1;
        }
        /* ============ SYMBOLS SECTION ============ */
        .symbol-feature {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: center;
            margin-top: var(--spacing-md);
        }
        .symbol-feature-reverse {
            direction: rtl;
        }
        .symbol-feature-reverse>* {
            direction: ltr;
        }
        .symbol-content {
            padding: var(--spacing-md);
        }
        .symbol-content h3 {
            font-size: var(--font-size-xl);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .symbol-content p {
            color: var(--text-secondary);
            font-size: var(--font-size-base);
            line-height: 1.65;
            margin-bottom: 16px;
        }
        .symbol-feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .symbol-feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            line-height: 1.55;
        }
        .symbol-feature-list li::before {
            content: '✦';
            color: var(--accent-gold);
            font-size: var(--font-size-sm);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .symbol-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            min-height: 260px;
            background: #000;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .symbol-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        /* ============ PAYLINE TABLE ============ */
        .payline-section {
            background: var(--bg-deep);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            margin-top: var(--spacing-md);
        }
        .payline-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 16px;
            margin-top: var(--spacing-sm);
        }
        .payline-card {
            background: var(--card-bg-solid);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 18px;
            text-align: center;
            transition: var(--transition);
        }
        .payline-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-warm);
        }
        .payline-card .payline-icon {
            font-size: 1.8rem;
            margin-bottom: 8px;
        }
        .payline-card .payline-name {
            font-size: var(--font-size-sm);
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 4px;
        }
        .payline-card .payline-desc {
            font-size: var(--font-size-xs);
            color: var(--text-muted);
        }
        /* ============ TIPS RIBBON ============ */
        .tips-ribbon {
            background: linear-gradient(135deg, rgba(211, 47, 47, 0.15), rgba(10, 46, 28, 0.9));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 22px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            flex-wrap: wrap;
            margin-top: var(--spacing-md);
        }
        .tips-ribbon .ribbon-text {
            font-size: var(--font-size-md);
            font-weight: 700;
            color: var(--text-primary);
        }
        .tips-ribbon .ribbon-text strong {
            color: var(--accent-gold);
        }
        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: var(--spacing-md);
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-gold);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            width: 100%;
            padding: 18px 20px;
            text-align: left;
            font-size: var(--font-size-base);
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--accent-gold-light);
        }
        .faq-icon {
            font-size: 1.2rem;
            color: var(--accent-gold);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 20px 20px;
            color: var(--text-secondary);
            font-size: var(--font-size-sm);
            line-height: 1.65;
        }
        /* ============ CTA FINAL ============ */
        .final-cta {
            background: linear-gradient(135deg, #1a4a2d, #0A2E1C);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            text-align: center;
            margin-top: var(--spacing-md);
            position: relative;
            overflow: hidden;
        }
        .final-cta::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: rgba(255, 215, 0, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .final-cta::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -30px;
            width: 150px;
            height: 150px;
            background: rgba(211, 47, 47, 0.07);
            border-radius: 50%;
            pointer-events: none;
        }
        .final-cta .cta-title {
            font-size: var(--font-size-xl);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .final-cta .cta-subtitle {
            font-size: var(--font-size-md);
            color: var(--text-secondary);
            margin-bottom: 22px;
            position: relative;
            z-index: 1;
        }
        .final-cta .btn-primary {
            position: relative;
            z-index: 1;
        }
        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-gold);
            padding: var(--spacing-lg) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 30px;
            margin-bottom: var(--spacing-md);
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.15rem;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: var(--font-size-sm);
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 1.2px;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold-light);
        }
        .footer-trust {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .trust-badge {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
        }
        .badge-icon {
            font-size: 1.1rem;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: var(--spacing-sm);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
        }
        .footer-bottom p {
            font-size: var(--font-size-xs);
            color: var(--text-muted);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 18px;
        }
        .footer-bottom .footer-links a {
            font-size: var(--font-size-xs);
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--accent-gold-light);
        }
        /* ============ FAB ============ */
        .fab-left {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 50;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            background: #0a0a0a;
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            transition: var(--transition);
            animation: fabBreathe 2.5s ease-in-out infinite;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 30px rgba(255, 215, 0, 0.5);
        }
        .fab-left:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-left .fab-icon {
            font-size: 1.5rem;
        }
        .fab-left .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 12px;
            height: 12px;
            background: var(--accent-red);
            border: 2px solid #0a0a0a;
            border-radius: 50%;
            animation: blinkRed 1.5s ease-in-out infinite;
        }
        @keyframes fabBreathe {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }
        @keyframes blinkRed {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }
        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-bento {
                grid-template-columns: 1fr;
            }
            .hero-main {
                grid-column: 1;
                grid-row: auto;
            }
            .hero-small-card {
                grid-column: auto;
                grid-row: auto;
            }
            .hero-cta-bar {
                grid-column: 1;
            }
            .symbol-feature {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .symbol-feature-reverse {
                direction: ltr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                background: rgba(7, 32, 23, 0.98);
                backdrop-filter: blur(16px);
                border-bottom: 1px solid var(--border-gold);
                padding: 16px 24px 20px;
                transform: translateY(-200%);
                transition: var(--transition);
                z-index: 99;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links a {
                display: flex;
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                padding: 8px 16px;
                font-size: var(--font-size-xs);
            }
            .hero-main h1 {
                font-size: var(--font-size-2xl);
            }
            .hero-main .hero-desc {
                font-size: var(--font-size-base);
            }
            .section-heading h2 {
                font-size: var(--font-size-xl);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .tips-ribbon {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .nav-actions {
                gap: 6px;
            }
            .nav-actions .btn-login {
                padding: 7px 12px;
            }
            .nav-actions .btn-signup {
                padding: 7px 14px;
            }
            .hero-bento {
                gap: 12px;
            }
            .hero-main {
                padding: var(--spacing-sm);
            }
            .hero-main h1 {
                font-size: 1.75rem;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-outline {
                width: 100%;
            }
            .rules-grid {
                grid-template-columns: 1fr;
            }
            .payline-grid {
                grid-template-columns: 1fr;
            }
            .final-cta {
                padding: var(--spacing-md) var(--spacing-sm);
            }
            .final-cta .cta-title {
                font-size: var(--font-size-lg);
            }
            .fab-left {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
            }
            .fab-left .fab-icon {
                font-size: 1.3rem;
            }
        }