/* roulang page: index */
:root {
            --color-primary: #0A2E1C;
            --color-primary-dark: #062315;
            --color-secondary: #123E25;
            --color-gold: #FFD700;
            --color-gold-dark: #C5A059;
            --color-red: #D32F2F;
            --color-white: #FFFFFF;
            --color-mint: #D1F2EB;
            --color-text: #F5F5F7;
            --color-muted: #C8D8D0;
            --color-border: rgba(255, 215, 0, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --font-main: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--color-primary-dark);
            color: var(--color-text);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image: radial-gradient(circle at 15% 20%, rgba(10, 46, 28, 0.6) 0%, rgba(6, 35, 21, 0.95) 55%, #041A0E 100%);
            min-height: 100vh;
        }

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

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

        a:hover, a:focus {
            color: #FFF3B0;
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button, .button {
            transition: var(--transition);
            cursor: pointer;
        }

        button:focus-visible, .button:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
        }

        .container-custom {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.18);
            padding: 14px 0;
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
        }

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

        .brand-logo {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-white);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.2px;
        }

        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-gold), #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-primary-dark);
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }

        .brand-logo span.highlight {
            color: var(--color-gold);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .header-nav a {
            color: var(--color-muted);
            padding: 8px 16px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 0.95rem;
            display: inline-block;
            transition: var(--transition);
        }

        .header-nav a:hover {
            color: var(--color-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .header-nav a.active {
            color: var(--color-primary-dark);
            background: var(--color-gold);
            font-weight: 700;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }

        .btn-login {
            color: var(--color-white);
            font-weight: 600;
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 0.92rem;
            background: transparent;
            border: none;
            transition: var(--transition);
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--color-gold), #DAA520);
            color: var(--color-primary-dark);
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 0.92rem;
            border: none;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.35);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 215, 0, 0.45);
            color: var(--color-primary-dark);
        }

        .btn-signup:active {
            transform: translateY(0);
        }

        .hamburger-toggle {
            display: none;
            background: transparent;
            border: 2px solid var(--color-gold);
            color: var(--color-gold);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.88) 0%, rgba(6, 35, 21, 0.93) 60%, rgba(4, 22, 13, 0.96) 100%),
                        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            padding: 80px 0 90px;
            border-bottom: 3px solid rgba(255, 215, 0, 0.2);
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
        }

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

        .hero-content {
            padding-right: 10px;
        }

        .hero-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.14);
            color: var(--color-gold);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 7px 16px;
            border-radius: 999px;
            border: 1px solid rgba(255, 215, 0, 0.3);
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }

        .hero-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-white);
            line-height: 1.2;
            margin: 0 0 20px 0;
            letter-spacing: -0.5px;
        }

        .hero-content h1 .gold-text {
            color: var(--color-gold);
            display: block;
            font-size: 2rem;
            margin-top: 6px;
        }

        .hero-desc {
            font-size: 1.08rem;
            color: var(--color-mint);
            margin-bottom: 30px;
            max-width: 590px;
            line-height: 1.65;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-gold), #E6A800);
            color: var(--color-primary-dark);
            font-weight: 700;
            padding: 14px 28px;
            border-radius: 999px;
            font-size: 1rem;
            border: none;
            box-shadow: 0 6px 22px rgba(255, 215, 0, 0.35);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(255, 215, 0, 0.5);
            color: var(--color-primary-dark);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-gold);
            font-weight: 600;
            padding: 14px 26px;
            border-radius: 999px;
            font-size: 1rem;
            border: 2px solid rgba(255, 215, 0, 0.5);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-outline:hover {
            border-color: var(--color-gold);
            background: rgba(255, 215, 0, 0.08);
            color: #FFF3B0;
        }

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

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

        .hero-stat .stat-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-gold);
            letter-spacing: -0.3px;
        }

        .hero-stat .stat-label {
            font-size: 0.83rem;
            color: var(--color-muted);
        }

        .hero-panel {
            background: rgba(6, 35, 21, 0.82);
            border: 1px solid rgba(255, 215, 0, 0.22);
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            box-shadow: var(--shadow-md);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .hero-panel .panel-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-gold);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .hero-panel ul li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.94rem;
            color: var(--color-mint);
        }

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

        .hero-panel ul li i {
            color: var(--color-gold);
            font-size: 1rem;
            margin-top: 4px;
        }

        /* Section Common */
        .content-section {
            padding: 72px 0;
            position: relative;
        }

        .content-section.alt-bg {
            background: rgba(6, 35, 21, 0.5);
            border-top: 1px solid rgba(255, 215, 0, 0.08);
            border-bottom: 1px solid rgba(255, 215, 0, 0.08);
        }

        .section-head {
            margin-bottom: 40px;
        }

        .section-head .section-tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-gold);
            text-transform: uppercase;
            letter-spacing: 1.2px;
            margin-bottom: 10px;
        }

        .section-head h2 {
            font-size: 1.9rem;
            font-weight: 750;
            color: var(--color-white);
            margin: 0 0 14px 0;
            line-height: 1.3;
        }

        .section-head .section-desc {
            font-size: 1.02rem;
            color: var(--color-muted);
            max-width: 720px;
            line-height: 1.65;
        }

        /* KPI / Progress Cards */
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .kpi-card {
            background: linear-gradient(145deg, rgba(18, 62, 37, 0.85), rgba(10, 46, 28, 0.9));
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            text-align: left;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .kpi-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-gold), transparent);
        }

        .kpi-card:hover {
            transform: translateY(-5px);
            border-color: rgba(255, 215, 0, 0.4);
            box-shadow: var(--shadow-md);
        }

        .kpi-card .kpi-icon {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-size: 1.25rem;
            margin-bottom: 14px;
        }

        .kpi-card .kpi-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-gold);
            margin-bottom: 6px;
            letter-spacing: -0.5px;
        }

        .kpi-card .kpi-title {
            font-weight: 600;
            color: var(--color-white);
            font-size: 1rem;
            margin-bottom: 6px;
        }

        .kpi-card .kpi-desc {
            font-size: 0.86rem;
            color: var(--color-muted);
            line-height: 1.5;
        }

        /* Tier Cards */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .tier-card {
            background: rgba(18, 62, 37, 0.6);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            transition: var(--transition);
            position: relative;
        }

        .tier-card.featured {
            border-color: var(--color-gold);
            background: rgba(18, 62, 37, 0.85);
            box-shadow: var(--shadow-gold);
        }

        .tier-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 215, 0, 0.45);
        }

        .tier-card .tier-level {
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--color-gold);
            margin-bottom: 10px;
        }

        .tier-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 14px 0;
        }

        .tier-card p {
            font-size: 0.94rem;
            color: var(--color-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .tier-card .tier-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.14);
            color: var(--color-gold);
            font-weight: 600;
            font-size: 0.8rem;
            padding: 5px 12px;
            border-radius: 999px;
            border: 1px solid rgba(255, 215, 0, 0.3);
        }

        /* Explainer Section */
        .explainer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .explainer-text h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 24px 0 12px 0;
        }

        .explainer-text h3:first-child {
            margin-top: 0;
        }

        .explainer-text p {
            font-size: 1rem;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .explainer-text .highlight-box {
            background: rgba(255, 215, 0, 0.08);
            border-left: 4px solid var(--color-gold);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin-bottom: 16px;
            font-size: 0.95rem;
            color: var(--color-mint);
        }

        .explainer-visual {
            position: sticky;
            top: 100px;
        }

        .explainer-visual img {
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            box-shadow: var(--shadow-md);
        }

        /* Case Cards */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .case-card {
            background: rgba(18, 62, 37, 0.65);
            border: 1px solid rgba(255, 215, 0, 0.14);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            transition: var(--transition);
        }

        .case-card:hover {
            border-color: rgba(255, 215, 0, 0.4);
            transform: translateY(-3px);
        }

        .case-card .case-icon {
            font-size: 1.5rem;
            color: var(--color-gold);
            margin-bottom: 12px;
        }

        .case-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 10px 0;
        }

        .case-card p {
            font-size: 0.92rem;
            color: var(--color-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* Example Table/Cards */
        .example-panel {
            background: rgba(6, 35, 21, 0.7);
            border: 1px solid rgba(255, 215, 0, 0.18);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            margin-bottom: 20px;
        }

        .example-panel h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-gold);
            margin: 0 0 12px 0;
        }

        .example-panel p {
            font-size: 0.97rem;
            color: var(--color-muted);
            line-height: 1.65;
            margin-bottom: 12px;
        }

        .example-panel .example-data {
            background: rgba(0, 0, 0, 0.3);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
            font-size: 0.9rem;
            color: var(--color-mint);
            border: 1px dashed rgba(255, 215, 0, 0.3);
        }

        /* Testimonial Grid */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: rgba(18, 62, 37, 0.55);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            transition: var(--transition);
        }

        .testimonial-card:hover {
            border-color: rgba(255, 215, 0, 0.35);
            transform: translateY(-3px);
        }

        .testimonial-card .testi-text {
            font-size: 0.93rem;
            color: var(--color-mint);
            line-height: 1.6;
            margin-bottom: 18px;
            font-style: italic;
        }

        .testimonial-card .testi-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-card .avatar-circle {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-gold), #8B6914);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-primary-dark);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-white);
        }

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

        /* News List */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 0.5fr;
            gap: 32px;
        }

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

        .news-item {
            padding: 18px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: var(--transition);
        }

        .news-item:hover {
            border-bottom-color: rgba(255, 215, 0, 0.35);
        }

        .news-item .news-time {
            font-size: 0.8rem;
            color: var(--color-gold);
            font-weight: 600;
            white-space: nowrap;
            min-width: 70px;
            padding-top: 4px;
        }

        .news-item .news-content h3 {
            font-size: 1.05rem;
            font-weight: 650;
            margin: 0 0 6px 0;
            line-height: 1.4;
        }

        .news-item .news-content h3 a {
            color: var(--color-white);
        }

        .news-item .news-content h3 a:hover {
            color: var(--color-gold);
        }

        .news-item .news-content p {
            font-size: 0.9rem;
            color: var(--color-muted);
            margin: 0 0 6px 0;
            line-height: 1.5;
        }

        .news-item .news-meta {
            font-size: 0.78rem;
            color: var(--color-mint);
        }

        .news-sidebar {
            background: rgba(18, 62, 37, 0.5);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            align-self: start;
        }

        .news-sidebar h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-gold);
            margin: 0 0 14px 0;
        }

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

        .news-sidebar ul li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.08);
            font-size: 0.88rem;
        }

        .news-sidebar ul li:last-child {
            border-bottom: none;
        }

        .news-sidebar ul li a {
            color: var(--color-mint);
        }

        .news-sidebar ul li a:hover {
            color: var(--color-gold);
        }

        .empty-state {
            color: var(--color-muted);
            font-size: 1rem;
            padding: 20px 0;
        }

        /* Calendar */
        .calendar-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .calendar-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.08);
        }

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

        .calendar-date {
            background: rgba(255, 215, 0, 0.12);
            color: var(--color-gold);
            font-weight: 700;
            min-width: 64px;
            text-align: center;
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            font-size: 0.82rem;
            border: 1px solid rgba(255, 215, 0, 0.25);
        }

        .calendar-info h4 {
            font-size: 0.98rem;
            font-weight: 650;
            color: var(--color-white);
            margin: 0 0 4px 0;
        }

        .calendar-info p {
            font-size: 0.85rem;
            color: var(--color-muted);
            margin: 0;
        }

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

        .faq-item {
            background: rgba(18, 62, 37, 0.5);
            border: 1px solid rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.3);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 650;
            font-size: 1rem;
            color: var(--color-white);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            gap: 16px;
            user-select: none;
            transition: var(--transition);
        }

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

        .faq-question i {
            color: var(--color-gold);
            transition: var(--transition);
            font-size: 0.9rem;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px 22px;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--color-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* CTA Section */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.9), rgba(6, 35, 21, 0.95)), url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            border-top: 3px solid rgba(255, 215, 0, 0.22);
            text-align: center;
        }

        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 750;
            color: var(--color-white);
            margin: 0 0 16px 0;
        }

        .cta-section p {
            font-size: 1.02rem;
            color: var(--color-mint);
            max-width: 640px;
            margin: 0 auto 28px;
            line-height: 1.65;
        }

        .cta-section .btn-primary {
            font-size: 1.05rem;
            padding: 16px 34px;
        }

        /* Footer */
        .site-footer {
            background: #03170C;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding: 48px 0 28px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 36px;
        }

        .footer-brand .brand-logo {
            margin-bottom: 14px;
            font-size: 1.15rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.6;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-gold);
            margin: 0 0 14px 0;
            text-transform: uppercase;
            letter-spacing: 0.6px;
        }

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

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

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

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

        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            text-align: center;
            font-size: 0.82rem;
            color: var(--color-muted);
        }

        /* FAB */
        .fab-royal {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1A3D28, #0A2E1C);
            border: 3px solid var(--color-gold);
            color: var(--color-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3), inset 0 2px 4px rgba(255, 255, 255, 0.08);
            cursor: pointer;
            opacity: 0.7;
            transition: var(--transition);
            animation: fabBreathe 3s ease-in-out infinite;
        }

        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
            animation-play-state: paused;
        }

        .fab-royal:active {
            transform: scale(0.95) translateY(2px);
            opacity: 1;
        }

        .fab-royal .fab-notif {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid var(--color-primary-dark);
            animation: fabBlink 1.8s ease-in-out infinite;
        }

        @keyframes fabBreathe {
            0%, 100% { box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3), inset 0 2px 4px rgba(255, 255, 255, 0.08); }
            50% { box-shadow: 0 4px 26px rgba(255, 215, 0, 0.5), inset 0 2px 4px rgba(255, 255, 255, 0.12); }
        }

        @keyframes fabBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-content h1 .gold-text {
                font-size: 1.6rem;
            }
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .explainer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .explainer-visual {
                position: static;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                order: -1;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .header-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(6, 35, 21, 0.98);
                flex-direction: column;
                padding: 16px 24px;
                gap: 6px;
                border-bottom: 2px solid rgba(255, 215, 0, 0.2);
                box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5);
            }
            .header-nav.mobile-open {
                display: flex;
            }
            .header-nav a {
                width: 100%;
                text-align: left;
            }
            .hamburger-toggle {
                display: flex;
            }
            .header-actions {
                margin-left: 0;
                gap: 6px;
            }
            .btn-login {
                padding: 8px 12px;
                font-size: 0.85rem;
            }
            .btn-signup {
                padding: 9px 16px;
                font-size: 0.85rem;
            }
            .brand-logo {
                font-size: 1rem;
            }
            .brand-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }

            .hero-section {
                min-height: auto;
                padding: 50px 0 60px;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content h1 .gold-text {
                font-size: 1.35rem;
            }
            .hero-desc {
                font-size: 0.98rem;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .btn-primary, .btn-outline {
                justify-content: center;
                width: 100%;
            }

            .content-section {
                padding: 48px 0;
            }
            .section-head h2 {
                font-size: 1.5rem;
            }
            .kpi-grid {
                grid-template-columns: 1fr;
            }
            .tier-grid {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .fab-royal {
                left: 12px;
                bottom: 76px;
                width: 50px;
                height: 50px;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-content h1 .gold-text {
                font-size: 1.15rem;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat .stat-number {
                font-size: 1.3rem;
            }
            .section-head h2 {
                font-size: 1.35rem;
            }
            .example-panel {
                padding: 20px 16px;
            }
            .faq-question {
                font-size: 0.93rem;
                padding: 15px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px 16px;
            }
            .calendar-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #0A2E1C;
            --color-primary-dark: #062315;
            --color-secondary: #123E25;
            --color-gold: #FFD700;
            --color-gold-dark: #C5A059;
            --color-red: #D32F2F;
            --color-white: #FFFFFF;
            --color-mint: #D1F2EB;
            --color-text: #F5F5F7;
            --color-muted: #C8D8D0;
            --color-border: rgba(255, 215, 0, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --font-main: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background-color: var(--color-primary-dark);
            color: var(--color-text);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image: radial-gradient(circle at 15% 20%, rgba(10, 46, 28, 0.6) 0%, rgba(6, 35, 21, 0.95) 55%, #041A0E 100%);
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--color-gold);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover, a:focus {
            color: #FFF3B0;
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }
        button, .button {
            transition: var(--transition);
            cursor: pointer;
        }
        button:focus-visible, .button:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
        }
        .container-custom {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.18);
            padding: 14px 0;
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .brand-logo {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-white);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.2px;
        }
        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-gold), #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-primary-dark);
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }
        .brand-logo span.highlight {
            color: var(--color-gold);
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .header-nav a {
            color: var(--color-muted);
            padding: 8px 16px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 0.95rem;
            display: inline-block;
            transition: var(--transition);
        }
        .header-nav a:hover {
            color: var(--color-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        .header-nav a.active {
            color: var(--color-primary-dark);
            background: var(--color-gold);
            font-weight: 700;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }
        .btn-login {
            color: var(--color-white);
            font-weight: 600;
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 0.92rem;
            background: transparent;
            border: none;
            transition: var(--transition);
        }
        .btn-login:hover {
            color: var(--color-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--color-gold), #DAA520);
            color: var(--color-primary-dark);
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 0.92rem;
            border: none;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.35);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 215, 0, 0.45);
            color: var(--color-primary-dark);
        }
        .btn-signup:active {
            transform: translateY(0);
        }
        .hamburger-toggle {
            display: none;
            background: transparent;
            border: 2px solid var(--color-gold);
            color: var(--color-gold);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        /* Article Hero */
        .article-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.95) 0%, rgba(6, 35, 21, 0.85) 50%, rgba(4, 26, 14, 0.95) 100%), url('/assets/images/coverpic/cover-1.jpg') center/cover no-repeat;
            padding: 80px 0;
            border-bottom: 1px solid var(--color-border);
        }
        .article-hero .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
            margin-bottom: 24px;
            font-size: 0.9rem;
            color: var(--color-muted);
        }
        .article-hero .breadcrumb a {
            color: var(--color-gold);
        }
        .article-hero .breadcrumb i {
            font-size: 0.7rem;
            margin: 0 4px;
        }
        .article-hero h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-white);
        }
        .article-hero .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            margin-top: 16px;
            color: var(--color-muted);
            font-size: 0.95rem;
        }
        .article-hero .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-hero .article-meta i {
            color: var(--color-gold);
        }
        .article-hero .category-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.15);
            color: var(--color-gold);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid rgba(255, 215, 0, 0.3);
            margin-bottom: 16px;
        }
        /* Article Content */
        .article-content-wrapper {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            padding: 48px 0;
        }
        .article-body {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }
        .article-body h2, .article-body h3 {
            color: var(--color-gold);
            margin-top: 1.5em;
            margin-bottom: 0.5em;
            font-weight: 700;
        }
        .article-body p {
            margin-bottom: 1.2em;
            color: var(--color-text);
        }
        .article-body ul, .article-body ol {
            margin-bottom: 1.2em;
            padding-left: 1.5em;
            color: var(--color-text);
        }
        .article-body li {
            margin-bottom: 0.5em;
        }
        .article-body a {
            color: var(--color-gold);
            text-decoration: underline;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-md);
        }
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
        }
        .article-not-found i {
            font-size: 3rem;
            color: var(--color-gold);
            margin-bottom: 20px;
        }
        .article-not-found h2 {
            color: var(--color-white);
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--color-muted);
            margin-bottom: 24px;
        }
        .btn-back-home {
            display: inline-block;
            background: var(--color-gold);
            color: var(--color-primary-dark);
            padding: 12px 24px;
            border-radius: 999px;
            font-weight: 700;
            transition: var(--transition);
        }
        .btn-back-home:hover {
            background: #FFF3B0;
            transform: translateY(-2px);
            color: var(--color-primary-dark);
        }
        /* FAQ Section */
        .faq-section {
            padding: 48px 0;
            border-top: 1px solid var(--color-border);
        }
        .faq-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 24px;
            text-align: center;
        }
        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            padding: 20px 24px;
            transition: var(--transition);
        }
        .faq-item:hover {
            background: rgba(255, 215, 0, 0.06);
            border-color: rgba(255, 215, 0, 0.4);
        }
        .faq-item h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-gold);
            margin-bottom: 8px;
        }
        .faq-item p {
            color: var(--color-muted);
            margin: 0;
        }
        /* CTA Section */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.9) 0%, rgba(6, 35, 21, 0.95) 100%);
            border-top: 1px solid var(--color-border);
        }
        .cta-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: 40px;
            text-align: center;
        }
        .cta-card h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
        }
        .cta-card p {
            color: var(--color-muted);
            max-width: 600px;
            margin: 0 auto 24px;
        }
        .cta-benefits {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 24px;
            margin-bottom: 32px;
        }
        .cta-benefit {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--color-gold);
            font-weight: 600;
        }
        .cta-benefit i {
            font-size: 1.2rem;
        }
        .btn-cta {
            display: inline-block;
            background: linear-gradient(135deg, var(--color-gold), #DAA520);
            color: var(--color-primary-dark);
            padding: 14px 36px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
            transition: var(--transition);
        }
        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(255, 215, 0, 0.5);
            color: var(--color-primary-dark);
        }
        /* Footer */
        .site-footer {
            background: rgba(4, 26, 14, 0.9);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 0;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand {
            flex: 1 1 300px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: var(--color-muted);
            font-size: 0.95rem;
            max-width: 400px;
        }
        .footer-col {
            flex: 0 1 auto;
            min-width: 160px;
        }
        .footer-col h4 {
            color: var(--color-gold);
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col li {
            margin-bottom: 10px;
        }
        .footer-col a {
            color: var(--color-muted);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--color-gold);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding: 20px 0;
            text-align: center;
            color: var(--color-muted);
            font-size: 0.9rem;
        }
        /* FAB */
        .fab-royal {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1C1C1E, #0A0A0A);
            border: 2px solid var(--color-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-size: 1.5rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            animation: float 3s ease-in-out infinite;
            transition: var(--transition);
            cursor: pointer;
        }
        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
        }
        .fab-royal:active {
            transform: scale(0.95);
        }
        .fab-royal .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: var(--color-red);
            border-radius: 50%;
            border: 2px solid #0A0A0A;
            animation: blink 1.5s infinite;
        }
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.2; }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .header-nav a {
                padding: 8px 12px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .header-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(6, 35, 21, 0.98);
                padding: 16px;
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                border-bottom: 1px solid var(--color-border);
            }
            .header-nav.open {
                display: flex;
            }
            .hamburger-toggle {
                display: flex;
            }
            .header-actions {
                margin-left: 0;
            }
            .article-hero h1 {
                font-size: 2rem;
            }
            .article-body {
                padding: 20px;
            }
            .cta-card {
                padding: 24px 20px;
            }
            .cta-benefits {
                flex-direction: column;
                align-items: center;
            }
            .footer-inner {
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .brand-logo {
                font-size: 1.1rem;
            }
            .btn-login, .btn-signup {
                padding: 8px 14px;
                font-size: 0.85rem;
            }
            .article-hero {
                padding: 48px 0;
            }
            .article-hero h1 {
                font-size: 1.7rem;
            }
            .article-hero .article-meta {
                gap: 8px 12px;
                font-size: 0.85rem;
            }
            .cta-card h2 {
                font-size: 1.5rem;
            }
            .fab-royal {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0A2E1C;
            --color-primary-dark: #062315;
            --color-secondary: #123E25;
            --color-gold: #FFD700;
            --color-gold-dark: #C5A059;
            --color-red: #D32F2F;
            --color-white: #FFFFFF;
            --color-mint: #D1F2EB;
            --color-text: #F5F5F7;
            --color-muted: #C8D8D0;
            --color-border: rgba(255, 215, 0, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --font-main: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--color-primary-dark);
            color: var(--color-text);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image: radial-gradient(circle at 15% 20%, rgba(10, 46, 28, 0.6) 0%, rgba(6, 35, 21, 0.95) 55%, #041A0E 100%);
            min-height: 100vh;
        }

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

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

        a:hover, a:focus {
            color: #FFF3B0;
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button, .button {
            transition: var(--transition);
            cursor: pointer;
        }

        button:focus-visible, .button:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
        }

        .container-custom {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.18);
            padding: 14px 0;
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
        }

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

        .brand-logo {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-white);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.2px;
        }

        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-gold), #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-primary-dark);
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }

        .brand-logo span.highlight {
            color: var(--color-gold);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .header-nav a {
            color: var(--color-muted);
            padding: 8px 16px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 0.95rem;
            display: inline-block;
            transition: var(--transition);
        }

        .header-nav a:hover {
            color: var(--color-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .header-nav a.active {
            color: var(--color-primary-dark);
            background: var(--color-gold);
            font-weight: 700;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }

        .btn-login {
            color: var(--color-white);
            font-weight: 600;
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 0.92rem;
            background: transparent;
            border: none;
            transition: var(--transition);
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--color-gold), #DAA520);
            color: var(--color-primary-dark);
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 0.92rem;
            border: none;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.35);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 215, 0, 0.45);
            color: var(--color-primary-dark);
        }

        .btn-signup:active {
            transform: translateY(0);
        }

        .hamburger-toggle {
            display: none;
            background: transparent;
            border: 2px solid var(--color-gold);
            color: var(--color-gold);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(6, 35, 21, 0.9) 0%, rgba(10, 46, 28, 0.7) 100%), url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            display: flex;
            align-items: center;
            gap: 40px;
        }

        .hero-copy {
            flex: 1 1 55%;
        }

        .hero-visual {
            flex: 1 1 40%;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.15);
            color: var(--color-gold);
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 215, 0, 0.3);
            backdrop-filter: blur(4px);
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--color-white);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
        }

        .hero-title .highlight {
            color: var(--color-gold);
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--color-muted);
            margin-bottom: 32px;
            max-width: 540px;
            line-height: 1.7;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--color-gold), #DAA520);
            color: var(--color-primary-dark);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 999px;
            font-size: 1rem;
            border: none;
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.4);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255, 215, 0, 0.55);
            color: var(--color-primary-dark);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--color-white);
            font-weight: 600;
            padding: 14px 28px;
            border-radius: 999px;
            font-size: 1rem;
            border: 2px solid rgba(255, 215, 0, 0.6);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

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

        .hero-panel {
            background: rgba(6, 35, 21, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-lg);
            padding: 36px;
            width: 100%;
            max-width: 420px;
            box-shadow: var(--shadow-md);
        }

        .hero-panel h2 {
            color: var(--color-gold);
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-panel ul {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }

        .hero-panel li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--color-muted);
            margin-bottom: 14px;
            font-size: 0.95rem;
            line-height: 1.5;
        }

        .hero-panel li i {
            color: var(--color-gold);
            margin-top: 4px;
            font-size: 1rem;
            width: 18px;
            text-align: center;
        }

        .panel-timer {
            display: flex;
            align-items: center;
            gap: 16px;
            background: rgba(255, 215, 0, 0.08);
            border-radius: var(--radius-md);
            padding: 16px;
            margin-bottom: 20px;
            border: 1px dashed rgba(255, 215, 0, 0.4);
        }

        .panel-timer-icon {
            font-size: 2rem;
            color: var(--color-gold);
        }

        .panel-timer-text {
            font-weight: 600;
            color: var(--color-white);
            font-size: 0.95rem;
        }

        .panel-timer-text small {
            display: block;
            font-weight: 400;
            color: var(--color-muted);
            font-size: 0.8rem;
        }

        /* Section Base */
        .section-block {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.08);
        }

        .section-block:last-of-type {
            border-bottom: none;
        }

        .section-label {
            color: var(--color-gold);
            font-weight: 600;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-desc {
            color: var(--color-muted);
            font-size: 1.1rem;
            max-width: 680px;
            margin-bottom: 40px;
            line-height: 1.7;
        }

        /* Feature / Info Cards */
        .info-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .info-card {
            background: rgba(10, 46, 28, 0.6);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            padding: 28px;
            flex: 1 1 300px;
            transition: var(--transition);
        }

        .info-card:hover {
            border-color: rgba(255, 215, 0, 0.4);
            transform: translateY(-5px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }

        .info-card .icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-gold);
            margin-bottom: 20px;
        }

        .info-card h3 {
            color: var(--color-white);
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .info-card p {
            color: var(--color-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }

        /* Steps / Timeline */
        .steps-timeline {
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 32px;
            margin-top: 30px;
        }

        .step-item {
            display: flex;
            gap: 24px;
            align-items: flex-start;
        }

        .step-marker {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--color-gold), #B8860B);
            color: var(--color-primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            box-shadow: var(--shadow-gold);
            position: relative;
            z-index: 2;
        }

        .step-content {
            padding-top: 6px;
        }

        .step-content h4 {
            color: var(--color-white);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-content p {
            color: var(--color-muted);
            font-size: 1rem;
            line-height: 1.7;
            max-width: 640px;
            margin: 0;
        }

        /* Example Block */
        .example-block {
            background: rgba(6, 35, 21, 0.8);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-lg);
            padding: 32px;
            margin-top: 30px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .example-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
        }

        .example-score {
            background: rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-sm);
            padding: 12px 20px;
            font-weight: 700;
            color: var(--color-gold);
            font-size: 1.4rem;
            letter-spacing: 1px;
        }

        .example-result {
            color: var(--color-muted);
            font-size: 1rem;
        }

        .example-result strong {
            color: var(--color-white);
        }

        .result-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 700;
            background: rgba(255, 215, 0, 0.15);
            color: var(--color-gold);
        }

        .divider-light {
            height: 1px;
            background: rgba(255, 215, 0, 0.15);
            margin: 8px 0;
        }

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

        .faq-item {
            background: rgba(10, 46, 28, 0.5);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.4);
        }

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

        .faq-question i {
            color: var(--color-gold);
            font-size: 1.2rem;
            transition: transform 0.3s ease;
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--color-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }

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

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

        /* CTA Section */
        .cta-section {
            padding: 90px 0;
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.05) 0%, rgba(255, 215, 0, 0.02) 100%);
            border-top: 1px solid rgba(255, 215, 0, 0.15);
        }

        .cta-inner {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 16px;
        }

        .cta-inner p {
            color: var(--color-muted);
            font-size: 1.1rem;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: #041A0E;
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            margin-top: 0;
        }

        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand {
            flex: 1 1 300px;
        }

        .footer-brand .brand-logo {
            margin-bottom: 16px;
            font-size: 1.4rem;
        }

        .footer-brand p {
            color: var(--color-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col {
            flex: 1 1 160px;
        }

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

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

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

        .footer-col a {
            color: var(--color-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            padding: 20px 0;
            text-align: center;
        }

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

        /* FAB */
        .fab-support {
            position: fixed;
            left: 24px;
            bottom: 24px;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(6, 35, 21, 0.9);
            border: 2px solid var(--color-gold);
            color: var(--color-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: var(--shadow-gold);
            backdrop-filter: blur(8px);
            transition: var(--transition);
            animation: fab-float 3s ease-in-out infinite;
        }

        .fab-support:hover {
            transform: scale(1.1);
            background: rgba(10, 46, 28, 1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
        }

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

        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--color-red);
            border-radius: 50%;
            border: 2px solid var(--color-primary-dark);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                flex-direction: column;
                text-align: center;
                padding: 40px 0;
            }
            .hero-copy, .hero-visual {
                flex: 1 1 100%;
            }
            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-panel {
                margin: 0 auto;
                text-align: left;
            }
            .section-title {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .header-nav {
                display: none;
                order: 3;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding-top: 16px;
            }
            .header-nav.open {
                display: flex;
            }
            .header-nav a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                text-align: left;
            }
            .hamburger-toggle {
                display: flex;
            }
            .header-actions {
                margin-left: 0;
            }
            .hero-title {
                font-size: 2.5rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section-block {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .info-grid {
                flex-direction: column;
            }
            .step-item {
                flex-direction: column;
                gap: 16px;
            }
            .step-marker {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
            .example-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .cta-inner h2 {
                font-size: 2rem;
            }
            .fab-support {
                left: 16px;
                bottom: 16px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .btn-primary, .btn-outline-light {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0A2E1C;
            --color-primary-dark: #062315;
            --color-secondary: #123E25;
            --color-gold: #FFD700;
            --color-gold-dark: #C5A059;
            --color-red: #D32F2F;
            --color-white: #FFFFFF;
            --color-mint: #D1F2EB;
            --color-text: #F5F5F7;
            --color-muted: #C8D8D0;
            --color-border: rgba(255, 215, 0, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --font-main: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--color-primary-dark);
            color: var(--color-text);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image: radial-gradient(circle at 15% 20%, rgba(10, 46, 28, 0.6) 0%, rgba(6, 35, 21, 0.95) 55%, #041A0E 100%);
            min-height: 100vh;
        }

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

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

        a:hover,
        a:focus {
            color: #FFF3B0;
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button,
        .button {
            transition: var(--transition);
            cursor: pointer;
        }

        button:focus-visible,
        .button:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
        }

        .container-custom {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.18);
            padding: 14px 0;
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
        }

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

        .brand-logo {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-white);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.2px;
            flex-shrink: 0;
        }

        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-gold), #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-primary-dark);
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }

        .brand-logo span.highlight {
            color: var(--color-gold);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .header-nav a {
            color: var(--color-muted);
            padding: 8px 16px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 0.95rem;
            display: inline-block;
            transition: var(--transition);
            white-space: nowrap;
        }

        .header-nav a:hover {
            color: var(--color-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .header-nav a.active {
            color: var(--color-primary-dark);
            background: var(--color-gold);
            font-weight: 700;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
            flex-shrink: 0;
        }

        .btn-login {
            color: var(--color-white);
            font-weight: 600;
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 0.92rem;
            background: transparent;
            border: none;
            transition: var(--transition);
            white-space: nowrap;
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--color-gold), #DAA520);
            color: var(--color-primary-dark);
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 0.92rem;
            border: none;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.35);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 215, 0, 0.45);
            color: var(--color-primary-dark);
        }

        .btn-signup:active {
            transform: translateY(0);
        }

        .hamburger-toggle {
            display: none;
            background: transparent;
            border: 2px solid var(--color-gold);
            color: var(--color-gold);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            cursor: pointer;
        }

        /* Hero Section - Category */
        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--color-primary-dark);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 1;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 2;
            background: linear-gradient(135deg, rgba(6, 35, 21, 0.95) 0%, rgba(10, 46, 28, 0.75) 45%, rgba(4, 26, 14, 0.65) 100%);
        }

        .hero-inner {
            position: relative;
            z-index: 3;
            width: 100%;
            padding-top: 64px;
            padding-bottom: 64px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid rgba(255, 215, 0, 0.35);
            color: var(--color-gold);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 18px;
            text-transform: uppercase;
        }

        .hero-copy h1 {
            font-size: 2.6rem;
            line-height: 1.2;
            font-weight: 800;
            color: var(--color-white);
            margin: 0 0 18px 0;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
        }

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

        .hero-sub {
            font-size: 1.1rem;
            color: var(--color-mint);
            max-width: 580px;
            margin: 0 0 28px 0;
            line-height: 1.65;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-gold), #DAA520);
            color: var(--color-primary-dark);
            font-weight: 700;
            padding: 13px 28px;
            border-radius: 999px;
            font-size: 1rem;
            border: none;
            box-shadow: 0 4px 18px rgba(255, 215, 0, 0.4);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.55);
            color: var(--color-primary-dark);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--color-white);
            font-weight: 600;
            padding: 13px 26px;
            border-radius: 999px;
            font-size: 1rem;
            border: 2px solid rgba(255, 215, 0, 0.5);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

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

        .hero-panel {
            background: rgba(6, 35, 21, 0.75);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-lg);
            padding: 28px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-md);
        }

        .hero-panel-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-gold);
            margin: 0 0 18px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-stat-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .hero-stat-item {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            padding: 16px;
            text-align: center;
            border: 1px solid rgba(255, 215, 0, 0.15);
            transition: var(--transition);
        }

        .hero-stat-item:hover {
            border-color: rgba(255, 215, 0, 0.4);
            background: rgba(255, 215, 0, 0.06);
        }

        .hero-stat-item .stat-label {
            font-size: 0.8rem;
            color: var(--color-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-weight: 600;
        }

        .hero-stat-item .stat-value {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--color-white);
            margin-top: 4px;
        }

        .hero-stat-item .stat-value.gold {
            color: var(--color-gold);
        }
        .hero-stat-item .stat-value.red {
            color: #ff6b6b;
        }
        .hero-stat-item .stat-value.green {
            color: #7ddfa8;
        }

        /* Main Sections */
        main {
            display: block;
        }

        .section-block {
            padding: 64px 0;
        }

        .section-block.alt-bg {
            background: rgba(0, 0, 0, 0.18);
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
        }

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

        .section-header .section-label {
            display: inline-block;
            color: var(--color-gold);
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 12px 0;
            line-height: 1.25;
            letter-spacing: -0.3px;
        }

        .section-header .section-desc {
            font-size: 1.05rem;
            color: var(--color-muted);
            max-width: 720px;
            margin: 0;
            line-height: 1.65;
        }

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

        .formula-card {
            background: rgba(10, 46, 28, 0.7);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .formula-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-gold), transparent);
            opacity: 0.8;
        }

        .formula-card:hover {
            transform: translateY(-4px);
            border-color: rgba(255, 215, 0, 0.5);
            box-shadow: var(--shadow-gold);
        }

        .formula-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .formula-icon.win-full {
            background: rgba(125, 223, 168, 0.2);
            color: #7ddfa8;
            border: 1px solid rgba(125, 223, 168, 0.4);
        }
        .formula-icon.win-half {
            background: rgba(255, 215, 0, 0.15);
            color: var(--color-gold);
            border: 1px solid rgba(255, 215, 0, 0.35);
        }
        .formula-icon.lose-half {
            background: rgba(255, 107, 107, 0.15);
            color: #ff6b6b;
            border: 1px solid rgba(255, 107, 107, 0.35);
        }
        .formula-icon.lose-full {
            background: rgba(211, 47, 47, 0.2);
            color: #ff8c8c;
            border: 1px solid rgba(211, 47, 47, 0.4);
        }

        .formula-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 8px 0;
        }

        .formula-card p {
            font-size: 0.9rem;
            color: var(--color-muted);
            margin: 0 0 12px 0;
            line-height: 1.55;
        }

        .formula-code {
            background: rgba(0, 0, 0, 0.4);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            font-family: 'SF Mono', 'Consolas', monospace;
            font-size: 0.82rem;
            color: var(--color-mint);
            line-height: 1.5;
            word-break: break-word;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* Steps */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step-counter;
        }

        .step-item {
            background: rgba(10, 46, 28, 0.55);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            border: 1px solid rgba(255, 215, 0, 0.2);
            transition: var(--transition);
            position: relative;
        }

        .step-item::after {
            counter-increment: step-counter;
            content: counter(step-counter);
            position: absolute;
            top: 16px;
            right: 18px;
            font-size: 2.4rem;
            font-weight: 800;
            color: rgba(255, 215, 0, 0.15);
            line-height: 1;
        }

        .step-item:hover {
            border-color: rgba(255, 215, 0, 0.4);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-gold), #B8860B);
            color: var(--color-primary-dark);
            font-weight: 800;
            font-size: 0.95rem;
            margin-bottom: 14px;
        }

        .step-item h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 8px 0;
        }

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

        /* Examples */
        .example-card {
            background: rgba(10, 46, 28, 0.7);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            margin-bottom: 28px;
            transition: var(--transition);
        }

        .example-card:hover {
            border-color: rgba(255, 215, 0, 0.45);
            box-shadow: var(--shadow-md);
        }

        .example-card-header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .example-badge {
            background: linear-gradient(135deg, var(--color-gold), #DAA520);
            color: var(--color-primary-dark);
            font-weight: 700;
            font-size: 0.82rem;
            padding: 5px 14px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .example-card-header h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 0;
            flex: 1;
        }

        .example-card .example-result {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 6px 14px;
            border-radius: 999px;
        }

        .example-result.win {
            background: rgba(125, 223, 168, 0.2);
            color: #7ddfa8;
            border: 1px solid rgba(125, 223, 168, 0.35);
        }

        .example-result.lose {
            background: rgba(255, 107, 107, 0.15);
            color: #ff6b6b;
            border: 1px solid rgba(255, 107, 107, 0.3);
        }

        .example-detail-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 14px;
        }

        .example-detail-item {
            background: rgba(0, 0, 0, 0.3);
            border-radius: var(--radius-sm);
            padding: 14px 16px;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .example-detail-item .detail-label {
            font-size: 0.78rem;
            color: var(--color-muted);
            text-transform: uppercase;
            letter-spacing: 0.4px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .example-detail-item .detail-value {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-white);
        }

        .example-detail-item .detail-value.gold {
            color: var(--color-gold);
        }
        .example-detail-item .detail-value.green {
            color: #7ddfa8;
        }
        .example-detail-item .detail-value.red {
            color: #ff6b6b;
        }

        /* Summary Table */
        .summary-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 215, 0, 0.2);
            background: rgba(10, 46, 28, 0.6);
            box-shadow: var(--shadow-sm);
        }

        .summary-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
            min-width: 720px;
        }

        .summary-table thead th {
            background: rgba(255, 215, 0, 0.12);
            color: var(--color-gold);
            font-weight: 700;
            text-align: left;
            padding: 14px 18px;
            border-bottom: 2px solid rgba(255, 215, 0, 0.3);
            font-size: 0.88rem;
            text-transform: uppercase;
            letter-spacing: 0.4px;
            white-space: nowrap;
        }

        .summary-table tbody td {
            padding: 13px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--color-muted);
            line-height: 1.5;
        }

        .summary-table tbody tr:hover td {
            background: rgba(255, 215, 0, 0.04);
        }

        .summary-table tbody tr:last-child td {
            border-bottom: none;
        }

        .summary-table .text-gold {
            color: var(--color-gold);
            font-weight: 600;
        }
        .summary-table .text-green {
            color: #7ddfa8;
            font-weight: 600;
        }
        .summary-table .text-red {
            color: #ff6b6b;
            font-weight: 600;
        }
        .summary-table .text-white {
            color: var(--color-white);
            font-weight: 600;
        }

        /* Tips List */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .tip-item {
            display: flex;
            gap: 16px;
            background: rgba(10, 46, 28, 0.55);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            border: 1px solid rgba(255, 215, 0, 0.18);
            transition: var(--transition);
        }

        .tip-item:hover {
            border-color: rgba(255, 215, 0, 0.4);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .tip-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.15);
            color: var(--color-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
            border: 1px solid rgba(255, 215, 0, 0.3);
        }

        .tip-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 6px 0;
        }

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

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: rgba(10, 46, 28, 0.6);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.4);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-white);
            transition: var(--transition);
            font-family: var(--font-main);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.15);
            color: var(--color-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: var(--transition);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            background: var(--color-gold);
            color: var(--color-primary-dark);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 22px;
            color: var(--color-muted);
            font-size: 0.92rem;
            line-height: 1.65;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px 22px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.95) 0%, rgba(6, 35, 21, 0.9) 100%);
            border-top: 1px solid rgba(255, 215, 0, 0.25);
            border-bottom: 1px solid rgba(255, 215, 0, 0.25);
            padding: 72px 0;
            text-align: center;
        }

        .cta-inner {
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-white);
            margin: 0 0 14px 0;
            letter-spacing: -0.3px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--color-mint);
            margin: 0 0 28px 0;
            line-height: 1.6;
        }

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

        /* Footer */
        .site-footer {
            background: rgba(4, 26, 14, 0.95);
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand p {
            color: var(--color-muted);
            font-size: 0.92rem;
            line-height: 1.65;
            margin-top: 14px;
            max-width: 380px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-gold);
            margin: 0 0 14px 0;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

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

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.12);
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            color: var(--color-muted);
            font-size: 0.82rem;
            margin: 0;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .fab-coin {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1a1a1a, #000000);
            border: 3px solid var(--color-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            position: relative;
            animation: fab-float 3s ease-in-out infinite;
            transition: var(--transition);
            text-decoration: none;
        }

        .fab-coin:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 6px 30px rgba(255, 215, 0, 0.5);
        }

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

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

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

        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-copy h1 {
                font-size: 2.2rem;
            }
            .formula-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .header-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(6, 35, 21, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px;
                border-bottom: 1px solid rgba(255, 215, 0, 0.25);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                box-shadow: var(--shadow-md);
            }
            .header-nav.open {
                display: flex;
            }
            .header-nav a {
                padding: 12px 16px;
                text-align: left;
                border-radius: var(--radius-sm);
            }
            .hamburger-toggle {
                display: flex;
            }
            .header-actions {
                margin-left: 0;
            }
            .btn-login {
                padding: 8px 14px;
                font-size: 0.85rem;
            }
            .btn-signup {
                padding: 9px 16px;
                font-size: 0.85rem;
            }
            .hero-section {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-inner {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .hero-copy h1 {
                font-size: 1.9rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .hero-panel {
                margin-top: 28px;
            }
            .section-block {
                padding: 44px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .formula-grid {
                grid-template-columns: 1fr;
            }
            .steps-list {
                grid-template-columns: 1fr;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .fab-left {
                left: 10px;
                bottom: 80px;
            }
            .fab-coin {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .brand-logo {
                font-size: 1.05rem;
            }
            .brand-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .header-actions {
                gap: 8px;
            }
            .btn-login {
                padding: 7px 10px;
                font-size: 0.78rem;
            }
            .btn-signup {
                padding: 8px 12px;
                font-size: 0.78rem;
            }
            .hero-copy h1 {
                font-size: 1.55rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-primary,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.95rem;
            }
            .hero-stat-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .example-card {
                padding: 22px 18px;
            }
            .example-detail-grid {
                grid-template-columns: 1fr;
            }
            .summary-table {
                font-size: 0.82rem;
                min-width: 600px;
            }
            .summary-table thead th,
            .summary-table tbody td {
                padding: 10px 12px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .faq-question {
                font-size: 0.92rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.88rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px 16px;
            }
        }