/* roulang page: index */
:root {
            --color-bg-deep: #0A2E1C;
            --color-bg-forest: #123E25;
            --color-accent-gold: #FFD700;
            --color-accent-red: #D32F2F;
            --color-text-light: #FFFFFF;
            --color-text-mint: #D1F2EB;
            --color-text-muted: rgba(209, 242, 235, 0.75);
            --color-border-gold: rgba(255, 215, 0, 0.45);
            --color-bg-card: rgba(10, 46, 28, 0.82);
            --color-bg-card-hover: rgba(18, 62, 37, 0.92);
            --border-radius-sm: 10px;
            --border-radius-md: 16px;
            --border-radius-lg: 24px;
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.3);
            --transition-base: 0.3s ease;
            --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-heading: 'Georgia', 'Times New Roman', serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--color-bg-deep);
            color: var(--color-text-light);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 960px;
        }

        .container-wide {
            max-width: 1320px;
        }

        .section-padding {
            padding: 88px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: clamp(1.8rem, 3.5vw, 2.4rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--color-accent-gold);
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.65;
            margin-bottom: 40px;
        }

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

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

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-gold);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
            flex-wrap: nowrap;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 1;
            min-width: 0;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700 0%, #B8860B 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0A2E1C;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(255, 215, 0, 0.4);
        }

        .logo-text {
            font-size: 0.95rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-accent-gold);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-mint);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

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

        .nav-link.active {
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.12);
        }

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

        .btn-login {
            padding: 9px 18px;
            border: 1px solid var(--color-border-gold);
            border-radius: 8px;
            background: transparent;
            color: var(--color-accent-gold);
            font-weight: 700;
            font-size: 0.88rem;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.12);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.2);
        }

        .btn-signup {
            padding: 9px 20px;
            border-radius: 8px;
            background: linear-gradient(135deg, #FFD700 0%, #DAA520 100%);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 0.88rem;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            white-space: nowrap;
            border: none;
        }

        .btn-signup:hover {
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--color-border-gold);
            border-radius: 8px;
            color: var(--color-accent-gold);
            font-size: 1.4rem;
            padding: 6px 12px;
            cursor: pointer;
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding: 80px 0 72px;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            background-blend-mode: overlay;
            background-color: rgba(10, 46, 28, 0.7);
            border-bottom: 1px solid var(--color-border-gold);
            overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10,46,28,0.15) 0%, rgba(10,46,28,0.6) 100%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 10;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-gold);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            margin-bottom: 20px;
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--color-accent-gold);
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(255, 215, 0, 0.2);
        }

        .hero-description {
            font-size: 1.05rem;
            color: var(--color-text-mint);
            max-width: 560px;
            line-height: 1.65;
            margin-bottom: 28px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 12px;
            background: linear-gradient(135deg, #FFD700 0%, #DAA520 100%);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.35);
        }

        .btn-primary:hover {
            box-shadow: 0 10px 36px rgba(255, 215, 0, 0.55);
            transform: translateY(-2px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 24px;
            border-radius: 12px;
            background: transparent;
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-gold);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .btn-secondary:hover {
            background: rgba(255, 215, 0, 0.1);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.2);
        }

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

        .data-point {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .data-point-value {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-accent-gold);
        }

        .data-point-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        .hero-visual {
            position: relative;
            z-index: 10;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual-card {
            width: 100%;
            max-width: 480px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .hero-visual-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,215,0,0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-card-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .hero-card-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.03);
            transition: all var(--transition-base);
        }

        .hero-card-item:hover {
            background: rgba(255, 215, 0, 0.06);
        }

        .hero-card-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-gold);
            flex-shrink: 0;
        }

        .hero-card-text h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 4px;
        }

        .hero-card-text p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .hot-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 6px;
            background: var(--color-accent-red);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-left: 8px;
        }

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

        .section-block-alt {
            background: rgba(18, 62, 37, 0.5);
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
        }

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

        .content-card {
            background: var(--color-bg-card);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--border-radius-md);
            padding: 28px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

        .card-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .content-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .content-card p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* Cover image card */
        .cover-card {
            background: var(--color-bg-card);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--border-radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .cover-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .cover-card-body {
            padding: 20px 24px 24px;
        }

        .cover-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .cover-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* Info list */
        .info-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .info-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px;
            border-radius: var(--border-radius-sm);
            background: rgba(255, 255, 255, 0.03);
            transition: all var(--transition-base);
        }

        .info-list li:hover {
            background: rgba(255, 215, 0, 0.06);
        }

        .info-list-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 215, 0, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-gold);
            flex-shrink: 0;
        }

        .info-list-text h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 4px;
        }

        .info-list-text p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.55;
        }

        /* Guarantee bar */
        .guarantee-bar {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px;
            border-radius: var(--border-radius-sm);
            background: rgba(255, 215, 0, 0.05);
            border: 1px solid rgba(255, 215, 0, 0.2);
        }

        .guarantee-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-gold);
            flex-shrink: 0;
        }

        .guarantee-text h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text-light);
        }

        .guarantee-text p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* Progress section */
        .progress-section {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-lg);
            padding: 32px;
        }

        .progress-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 24px;
        }

        .progress-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .progress-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700 0%, #DAA520 100%);
            color: #0A2E1C;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .progress-text h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 4px;
        }

        .progress-text p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.55;
        }

        /* CMS news section */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 32px;
            align-items: start;
        }

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

        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .news-list-item:hover {
            padding-left: 8px;
        }

        .news-item-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-gold);
            flex-shrink: 0;
        }

        .news-item-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 4px;
            line-height: 1.4;
        }

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

        .news-sidebar {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-md);
            padding: 24px;
        }

        .news-sidebar h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-sidebar-item {
            padding: 12px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.03);
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .news-sidebar-item:hover {
            background: rgba(255, 215, 0, 0.08);
        }

        .news-sidebar-item h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-light);
            margin-bottom: 4px;
        }

        .news-sidebar-item p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* CTA download form section */
        .cta-download-section {
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            background-color: rgba(10, 46, 28, 0.75);
            background-blend-mode: overlay;
            border-top: 1px solid var(--color-border-gold);
            border-bottom: 1px solid var(--color-border-gold);
        }

        .cta-download-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-lg);
            padding: 40px;
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-download-card h2 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 16px;
        }

        .cta-download-card p {
            font-size: 1rem;
            color: var(--color-text-mint);
            line-height: 1.6;
            margin-bottom: 24px;
        }

        .download-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-bottom: 16px;
        }

        .form-input {
            padding: 14px 18px;
            border-radius: 10px;
            border: 1px solid var(--color-border-gold);
            background: rgba(255, 255, 255, 0.06);
            color: var(--color-text-light);
            font-size: 0.95rem;
            transition: all var(--transition-base);
        }

        .form-input::placeholder {
            color: rgba(209, 242, 235, 0.5);
        }

        .form-input:focus {
            outline: none;
            border-color: var(--color-accent-gold);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.15);
        }

        .btn-submit {
            padding: 14px 28px;
            border-radius: 10px;
            background: linear-gradient(135deg, #FFD700 0%, #DAA520 100%);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }

        .btn-submit:hover {
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
            transform: translateY(-2px);
        }

        .download-note {
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 16px;
        }

        .payment-badge {
            padding: 8px 16px;
            border-radius: 8px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-gold);
            font-size: 0.82rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 860px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--border-radius-sm);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--color-text-light);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: all var(--transition-base);
        }

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

        .faq-icon {
            color: var(--color-accent-gold);
            font-size: 1rem;
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

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

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.92rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            display: none;
        }

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

        /* Footer */
        .site-footer {
            background: #062315;
            border-top: 1px solid var(--color-border-gold);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .footer-column h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 14px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

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

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

        .footer-legal a {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            transition: color var(--transition-base);
        }

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

        .compliance-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            border-radius: 6px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-gold);
            font-size: 0.78rem;
            font-weight: 700;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 950;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 100%);
            border: 2px solid var(--color-accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-gold);
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all var(--transition-base);
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
            animation: none;
        }

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

        .fab-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #D32F2F;
            border: 2px solid #0A2E1C;
            animation: fab-dot-blink 1.2s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.7; transform: scale(1); }
            50% { opacity: 0.9; transform: scale(1.04); }
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            
            .hero-visual-card {
                max-width: 100%;
            }
            
            .news-layout {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
            
            .section-block {
                padding: 48px 0;
            }
            
            .nav-wrapper {
                flex-wrap: wrap;
                min-height: 64px;
            }
            
            .nav-toggle {
                display: block;
            }
            
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 0;
                gap: 4px;
            }
            
            .nav-menu.mobile-open {
                display: flex;
            }
            
            .nav-buttons {
                display: flex;
                gap: 8px;
                margin-left: auto;
            }
            
            .nav-link {
                padding: 12px 14px;
                font-size: 0.9rem;
            }
            
            .hero-section {
                padding: 56px 0 48px;
            }
            
            .hero-cta-group {
                flex-direction: column;
            }
            
            .btn-primary,
            .btn-secondary {
                justify-content: center;
                width: 100%;
            }
            
            .content-grid {
                grid-template-columns: 1fr;
            }
            
            .guarantee-bar {
                grid-template-columns: 1fr 1fr;
            }
            
            .cta-download-card {
                padding: 28px 20px;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            
            .fab-left {
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            
            .logo-text {
                font-size: 0.75rem;
                max-width: 120px;
            }
            
            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
            
            .btn-login,
            .btn-signup {
                padding: 7px 12px;
                font-size: 0.78rem;
            }
            
            .hero-title {
                font-size: 1.6rem;
            }
            
            .hero-description {
                font-size: 0.92rem;
            }
            
            .guarantee-bar {
                grid-template-columns: 1fr;
            }
            
            .section-title {
                font-size: 1.5rem;
            }
            
            .data-points {
                gap: 16px;
            }
            
            .news-item-content h4 {
                font-size: 0.9rem;
            }
            
            .cta-download-card h2 {
                font-size: 1.4rem;
            }
        }

/* roulang page: article */
:root {
            --color-bg-deep: #0A2E1C;
            --color-bg-forest: #123E25;
            --color-accent-gold: #FFD700;
            --color-accent-red: #D32F2F;
            --color-text-light: #FFFFFF;
            --color-text-mint: #D1F2EB;
            --color-text-muted: rgba(209, 242, 235, 0.75);
            --color-border-gold: rgba(255, 215, 0, 0.45);
            --color-bg-card: rgba(10, 46, 28, 0.82);
            --color-bg-card-hover: rgba(18, 62, 37, 0.92);
            --border-radius-sm: 10px;
            --border-radius-md: 16px;
            --border-radius-lg: 24px;
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.3);
            --transition-base: 0.3s ease;
            --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-heading: 'Georgia', 'Times New Roman', serif;
        }

        html {
            scroll-behavior: smooth;
        }

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

        body {
            font-family: var(--font-body);
            background: radial-gradient(ellipse at top, #123E25 0%, #0A2E1C 55%, #071D12 100%);
            color: var(--color-text-light);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: 100%;
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 920px;
        }

        .section-padding {
            padding: 70px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: clamp(1.8rem, 3.5vw, 2.4rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--color-accent-gold);
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.65;
            margin-bottom: 40px;
        }

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

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

        /* Header + Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-gold);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
            flex-wrap: nowrap;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 1;
            min-width: 0;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700 0%, #B8860B 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0A2E1C;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(255, 215, 0, 0.4);
        }

        .logo-text {
            font-size: 0.95rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-accent-gold);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-mint);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

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

        .nav-link.active {
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.12);
        }

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

        .btn-login {
            padding: 9px 18px;
            border: 1px solid var(--color-border-gold);
            border-radius: 8px;
            background: transparent;
            color: var(--color-accent-gold);
            font-weight: 700;
            font-size: 0.88rem;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.12);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.2);
        }

        .btn-signup {
            padding: 9px 20px;
            border-radius: 8px;
            background: linear-gradient(135deg, #FFD700 0%, #DAA520 100%);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 0.88rem;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            white-space: nowrap;
            border: none;
        }

        .btn-signup:hover {
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-gold);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            cursor: pointer;
            font-size: 1.1rem;
        }

        /* Hero article */
        .article-hero {
            position: relative;
            padding: 72px 0 68px;
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--color-border-gold);
        }

        .article-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 46, 28, 0.94) 0%, rgba(10, 46, 28, 0.82) 55%, rgba(10, 46, 28, 0.68) 100%);
            z-index: 1;
        }

        .article-hero-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            color: var(--color-text-muted);
            font-size: 0.85rem;
            margin-bottom: 18px;
        }

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

        .article-h1 {
            font-family: var(--font-heading);
            font-size: clamp(2rem, 4.5vw, 3.3rem);
            line-height: 1.2;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 18px;
        }

        .article-lead {
            font-size: 1.1rem;
            line-height: 1.7;
            color: var(--color-text-mint);
            max-width: 780px;
            margin-bottom: 26px;
        }

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

        .meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-gold);
            padding: 7px 13px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 700;
            white-space: nowrap;
        }

        .meta-badge.red {
            background: rgba(211, 47, 47, 0.12);
            border-color: rgba(211, 47, 47, 0.6);
            color: #FF8A80;
        }

        /* Article body */
        .article-body-section {
            padding: 64px 0 70px;
        }

        .article-main-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-lg);
            box-shadow: var(--shadow-card);
            padding: clamp(24px, 4vw, 44px);
        }

        .article-cover {
            margin: -6px 0 30px;
            border-radius: var(--border-radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border-gold);
        }

        .article-cover img {
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16 / 8;
        }

        .highlight-summary {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: rgba(255, 215, 0, 0.08);
            border-left: 4px solid var(--color-accent-gold);
            border-radius: 12px;
            padding: 16px 18px;
            margin-bottom: 24px;
            color: var(--color-text-mint);
            font-size: 1rem;
            line-height: 1.6;
        }

        .highlight-summary i {
            color: var(--color-accent-gold);
            font-size: 1.25rem;
            margin-top: 3px;
        }

        .empty-article {
            text-align: center;
            padding: 40px 20px;
            color: var(--color-text-muted);
        }

        .empty-article i {
            display: block;
            font-size: 2.4rem;
            color: var(--color-accent-gold);
            margin-bottom: 16px;
        }

        .empty-article h2 {
            font-family: var(--font-heading);
            color: var(--color-accent-gold);
            margin-bottom: 10px;
        }

        .empty-article p {
            margin-bottom: 24px;
        }

        /* Prose content */
        .article-prose {
            color: var(--color-text-mint);
            font-size: 1.02rem;
            line-height: 1.7;
        }

        .article-prose h2 {
            font-family: var(--font-heading);
            color: var(--color-accent-gold);
            font-size: 1.9rem;
            margin: 40px 0 18px;
            line-height: 1.3;
        }

        .article-prose h3 {
            font-family: var(--font-heading);
            color: #E9D151;
            font-size: 1.4rem;
            margin: 30px 0 14px;
            line-height: 1.3;
        }

        .article-prose p {
            margin-bottom: 18px;
            color: var(--color-text-mint);
        }

        .article-prose ul,
        .article-prose ol {
            margin: 0 0 20px 24px;
            color: var(--color-text-mint);
        }

        .article-prose li {
            margin-bottom: 8px;
        }

        .article-prose blockquote {
            margin: 24px 0;
            padding: 18px 22px;
            border-left: 5px solid var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.06);
            border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
            color: #F8E9A0;
            font-style: italic;
        }

        .article-prose img {
            border-radius: var(--border-radius-md);
            margin: 26px 0;
            border: 1px solid var(--color-border-gold);
        }

        .article-prose a {
            color: var(--color-accent-gold);
            text-decoration: underline;
        }

        .article-prose a:hover {
            color: #FFF2A8;
        }

        .article-prose table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
        }

        .article-prose th,
        .article-prose td {
            padding: 12px 14px;
            border: 1px solid var(--color-border-gold);
            text-align: left;
            color: var(--color-text-mint);
        }

        .article-prose th {
            background: rgba(255, 215, 0, 0.08);
            color: var(--color-accent-gold);
            font-weight: 700;
        }

        /* Button system */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            border-radius: 10px;
            padding: 12px 22px;
            font-weight: 800;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-base);
            border: none;
        }

        .btn-gold {
            background: linear-gradient(135deg, #FFD700 0%, #DAA520 100%);
            color: #0A2E1C;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-gold);
        }

        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.12);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.2);
        }

        /* Quick tips */
        .tip-grid {
            display: grid;
            gap: 16px;
            margin-top: 28px;
        }

        .tip-card {
            background: rgba(10, 46, 28, 0.78);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-md);
            padding: 20px 18px;
            transition: all var(--transition-base);
        }

        .tip-card:hover {
            background: var(--color-bg-card-hover);
            border-color: var(--color-accent-gold);
            transform: translateY(-3px);
            box-shadow: var(--shadow-gold);
        }

        .tip-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, #FFD700, #DAA520);
            color: #0A2E1C;
            font-weight: 900;
            border-radius: 50%;
            margin-bottom: 14px;
        }

        .tip-card h3 {
            color: var(--color-accent-gold);
            font-size: 1.05rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }

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

        /* FAQ */
        .faq-list {
            display: grid;
            gap: 12px;
            margin-top: 28px;
        }

        .faq-item {
            background: rgba(10, 46, 28, 0.78);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item[open] {
            border-color: var(--color-accent-gold);
            box-shadow: var(--shadow-gold);
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 16px 20px;
            font-weight: 700;
            color: var(--color-text-mint);
            font-size: 1rem;
        }

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

        .faq-item summary i {
            color: var(--color-accent-gold);
            transition: transform 0.3s ease;
        }

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

        .faq-item .faq-content {
            padding: 0 20px 18px;
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* CTA */
        .cta-panel {
            text-align: center;
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.14) 0%, rgba(10, 46, 28, 0.9) 100%);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-lg);
            padding: 50px 28px;
            box-shadow: var(--shadow-gold);
        }

        .cta-panel h2 {
            font-family: var(--font-heading);
            color: var(--color-accent-gold);
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .cta-panel p {
            color: var(--color-text-mint);
            max-width: 660px;
            margin: 0 auto 26px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            border-top: 1px solid var(--color-border-gold);
            background: #081F13;
            padding: 56px 0 28px;
            color: var(--color-text-mint);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 34px;
        }

        .footer-brand h3 {
            font-family: var(--font-heading);
            color: var(--color-accent-gold);
            font-size: 1.3rem;
            line-height: 1.35;
            margin-bottom: 12px;
        }

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

        .compliance-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(18, 62, 37, 0.8);
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-gold);
            padding: 7px 12px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 700;
        }

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

        .footer-column h4 {
            color: var(--color-accent-gold);
            font-size: 1rem;
            margin-bottom: 14px;
        }

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

        .footer-links li {
            margin-bottom: 9px;
        }

        .footer-links a {
            color: var(--color-text-muted);
            font-size: 0.92rem;
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding-top: 22px;
            color: var(--color-text-muted);
            font-size: 0.85rem;
            text-align: center;
        }

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

        /* FAB Support */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #0A2E1C;
            border: 2px solid var(--color-accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-gold);
            font-size: 1.25rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            animation: fabFloat 2.8s ease-in-out infinite;
            opacity: 0.75;
            transition: all var(--transition-base);
        }

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
        }

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

        .fab-notice {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 13px;
            height: 13px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: blinkDot 1.2s infinite;
        }

        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }

        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-wrapper {
                flex-wrap: wrap;
                min-height: auto;
                padding: 12px 0;
            }

            .logo-text {
                max-width: 220px;
            }

            .nav-menu {
                gap: 4px;
            }

            .nav-link {
                padding: 7px 11px;
                font-size: 0.84rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 26px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }

            .nav-wrapper {
                justify-content: space-between;
                gap: 10px;
            }

            .logo-text {
                font-size: 0.88rem;
                max-width: 160px;
            }

            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .nav-menu {
                display: none;
                width: 100%;
                order: 3;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                padding: 14px 0 6px;
                border-top: 1px solid var(--color-border-gold);
                margin-top: 8px;
            }

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

            .nav-link {
                width: 100%;
                justify-content: flex-start;
            }

            .nav-buttons {
                gap: 7px;
            }

            .btn-login,
            .btn-signup {
                padding: 7px 12px;
                font-size: 0.78rem;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }

            .article-hero {
                padding: 52px 0 50px;
            }

            .article-h1 {
                font-size: 2rem;
            }

            .article-lead {
                font-size: 1rem;
            }

            .article-main-card {
                padding: 20px;
                border-radius: var(--border-radius-md);
            }

            .article-prose h2 {
                font-size: 1.6rem;
            }

            .article-prose h3 {
                font-size: 1.25rem;
            }

            .article-cover img {
                aspect-ratio: 16 / 10;
            }

            .section-padding {
                padding: 52px 0;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            .nav-wrapper {
                flex-wrap: wrap;
                row-gap: 10px;
            }

            .logo-text {
                font-size: 0.82rem;
                max-width: 130px;
                white-space: normal;
            }

            .nav-buttons {
                order: 2;
            }

            .nav-toggle {
                order: 3;
            }

            .nav-menu {
                order: 4;
            }

            .article-meta {
                gap: 8px;
            }

            .meta-badge {
                font-size: 0.76rem;
                padding: 6px 10px;
            }

            .cta-panel {
                padding: 36px 18px;
            }

            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }

            .btn {
                width: 100%;
            }

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

            .fab-support {
                left: 12px;
                bottom: 88px;
                width: 50px;
                height: 50px;
            }
        }

/* roulang page: category1 */
:root {
            --color-bg-deep: #0A2E1C;
            --color-bg-forest: #123E25;
            --color-accent-gold: #FFD700;
            --color-accent-red: #D32F2F;
            --color-text-light: #FFFFFF;
            --color-text-mint: #D1F2EB;
            --color-text-muted: rgba(209, 242, 235, 0.75);
            --color-border-gold: rgba(255, 215, 0, 0.45);
            --color-bg-card: rgba(10, 46, 28, 0.82);
            --color-bg-card-hover: rgba(18, 62, 37, 0.92);
            --border-radius-sm: 10px;
            --border-radius-md: 16px;
            --border-radius-lg: 24px;
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.3);
            --transition-base: 0.3s ease;
            --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-heading: 'Georgia', 'Times New Roman', serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--color-bg-deep);
            color: var(--color-text-light);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 960px;
        }

        .container-wide {
            max-width: 1320px;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: clamp(1.7rem, 3.2vw, 2.3rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--color-accent-gold);
        }

        .section-subtitle {
            font-size: 1.02rem;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.65;
            margin-bottom: 36px;
        }

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

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

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-gold);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
            flex-wrap: nowrap;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 1;
            min-width: 0;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700 0%, #B8860B 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0A2E1C;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(255, 215, 0, 0.4);
        }

        .logo-text {
            font-size: 0.92rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-accent-gold);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-text-mint);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

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

        .nav-link.active {
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.12);
        }

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

        .btn-login {
            padding: 9px 18px;
            border: 1px solid var(--color-border-gold);
            border-radius: 8px;
            background: transparent;
            color: var(--color-accent-gold);
            font-weight: 700;
            font-size: 0.86rem;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.12);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.2);
        }

        .btn-signup {
            padding: 9px 20px;
            border-radius: 8px;
            background: linear-gradient(135deg, #FFD700 0%, #DAA520 100%);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 0.86rem;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            white-space: nowrap;
            border: none;
        }

        .btn-signup:hover {
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--color-border-gold);
            border-radius: 8px;
            color: var(--color-accent-gold);
            padding: 8px 12px;
            cursor: pointer;
            font-size: 1.2rem;
            transition: all var(--transition-base);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: rgba(255, 215, 0, 0.2);
        }

        /* Hero */
        .hero-category {
            background-image: linear-gradient(rgba(10, 46, 28, 0.93), rgba(10, 46, 28, 0.88)), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            padding: 100px 0 80px;
            border-bottom: 1px solid var(--color-border-gold);
        }

        .hero-category-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 7px 15px;
            border-radius: 20px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-gold);
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }

        .hero-category h1 {
            font-family: var(--font-heading);
            font-size: clamp(2.1rem, 4vw, 2.9rem);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 20px;
            color: var(--color-text-light);
        }

        .hero-category h1 .highlight {
            color: var(--color-accent-gold);
        }

        .hero-desc {
            font-size: 1.06rem;
            color: var(--color-text-muted);
            max-width: 540px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .hero-stats-mini {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

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

        .hero-stat-mini .stat-number {
            font-family: var(--font-heading);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            line-height: 1.2;
        }

        .hero-stat-mini .stat-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            letter-spacing: 0.4px;
        }

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

        .btn-primary {
            padding: 13px 28px;
            border-radius: 10px;
            background: linear-gradient(135deg, #FFD700 0%, #DAA520 100%);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 0.92rem;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.35);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            box-shadow: 0 10px 34px rgba(255, 215, 0, 0.5);
            transform: translateY(-2px);
        }

        .btn-secondary {
            padding: 13px 24px;
            border-radius: 10px;
            border: 1px solid var(--color-border-gold);
            background: transparent;
            color: var(--color-accent-gold);
            font-weight: 700;
            font-size: 0.92rem;
            cursor: pointer;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary:hover {
            background: rgba(255, 215, 0, 0.1);
            box-shadow: 0 4px 18px rgba(255, 215, 0, 0.2);
        }

        .hero-signal-panel {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-gold);
            backdrop-filter: blur(10px);
        }

        .hero-signal-panel h3 {
            font-family: var(--font-heading);
            color: var(--color-accent-gold);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .signal-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 11px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
            gap: 12px;
        }

        .signal-row:last-child {
            border-bottom: none;
        }

        .signal-label {
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--color-text-mint);
        }

        .signal-value {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.86rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            white-space: nowrap;
        }

        .signal-tag {
            padding: 3px 10px;
            border-radius: 14px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .signal-tag.high {
            background: rgba(211, 47, 47, 0.25);
            color: #FF6B6B;
            border: 1px solid rgba(211, 47, 47, 0.5);
        }

        .signal-tag.medium {
            background: rgba(255, 215, 0, 0.18);
            color: var(--color-accent-gold);
            border: 1px solid rgba(255, 215, 0, 0.4);
        }

        .signal-tag.stable {
            background: rgba(209, 242, 235, 0.12);
            color: var(--color-text-mint);
            border: 1px solid rgba(209, 242, 235, 0.3);
        }

        /* Value Proposition */
        .value-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .value-image-wrapper {
            position: relative;
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .value-image-wrapper img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .value-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.1) 0%, rgba(10, 46, 28, 0.85) 100%);
            display: flex;
            align-items: flex-end;
            padding: 20px;
        }

        .value-image-overlay span {
            font-size: 0.85rem;
            color: var(--color-accent-gold);
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .value-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .value-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--color-text-mint);
            line-height: 1.65;
        }

        .value-list li i {
            color: var(--color-accent-gold);
            font-size: 1.05rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* Tips section - numbered timeline */
        .tips-section {
            background: var(--color-bg-forest);
            padding: 80px 0;
            border-top: 1px solid var(--color-border-gold);
            border-bottom: 1px solid var(--color-border-gold);
        }

        .tips-timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 40px;
        }

        .tips-timeline::before {
            content: '';
            position: absolute;
            left: 18px;
            top: 16px;
            bottom: 16px;
            width: 2px;
            background: linear-gradient(180deg, rgba(255, 215, 0, 0.5), rgba(255, 215, 0, 0.1));
        }

        .tip-item {
            position: relative;
            margin-bottom: 32px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-md);
            padding: 22px 20px;
            transition: all var(--transition-base);
        }

        .tip-item:hover {
            background: var(--color-bg-card-hover);
            box-shadow: var(--shadow-gold);
            transform: translateX(4px);
        }

        .tip-item:last-child {
            margin-bottom: 0;
        }

        .tip-number {
            position: absolute;
            left: -40px;
            top: 20px;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700 0%, #B8860B 100%);
            color: #0A2E1C;
            font-weight: 900;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 16px rgba(255, 215, 0, 0.45);
        }

        .tip-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .tip-item p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* Scenarios */
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .scenario-image {
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .scenario-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        .scenario-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .scenario-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.93rem;
            color: var(--color-text-mint);
            line-height: 1.6;
        }

        .scenario-list li .scenario-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--color-border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-gold);
            flex-shrink: 0;
        }

        /* Data proof */
        .data-proof-section {
            background: var(--color-bg-deep);
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }

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

        .data-proof-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-md);
            padding: 22px 18px;
            text-align: left;
            transition: all var(--transition-base);
        }

        .data-proof-card:hover {
            background: var(--color-bg-card-hover);
            box-shadow: var(--shadow-gold);
        }

        .data-proof-card .data-number {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 6px;
            line-height: 1.2;
        }

        .data-proof-card .data-label {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text-mint);
            gap: 12px;
            user-select: none;
            transition: all var(--transition-base);
        }

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

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 260px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* CTA */
        .cta-section {
            background-image: linear-gradient(rgba(10, 46, 28, 0.96), rgba(10, 46, 28, 0.98)), url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            padding: 80px 0;
            text-align: center;
            border-top: 1px solid var(--color-border-gold);
        }

        .cta-section .section-title {
            margin-bottom: 14px;
        }

        .cta-section .section-subtitle {
            margin-left: auto;
            margin-right: auto;
            margin-bottom: 30px;
        }

        /* Footer */
        .site-footer {
            background: #071F13;
            border-top: 1px solid var(--color-border-gold);
            padding: 60px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            color: var(--color-accent-gold);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.65;
            max-width: 340px;
        }

        .compliance-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 18px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-gold);
            font-size: 0.76rem;
            font-weight: 700;
        }

        .footer-column h4 {
            font-size: 0.86rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 16px;
            letter-spacing: 0.4px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 9px;
        }

        .footer-links a {
            font-size: 0.83rem;
            color: var(--color-text-muted);
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }

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

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

        .footer-legal-links a {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            transition: color var(--transition-base);
        }

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

        /* FAB */
        .fab-royal {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1C1C1E 0%, #0A2E1C 100%);
            border: 2px solid #FFD700;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            cursor: pointer;
            transition: all var(--transition-base);
            opacity: 0.7;
            animation: fab-breathe 3s ease-in-out infinite;
            text-decoration: none;
        }

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

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

        .fab-royal i {
            font-size: 1.25rem;
            transition: transform var(--transition-base);
        }

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

        .fab-royal .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #D32F2F;
            border: 2px solid #0A2E1C;
            animation: fab-blink 1.8s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-4px); }
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-category-grid {
                gap: 32px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .nav-wrapper {
                flex-wrap: wrap;
                min-height: 64px;
                padding: 8px 0;
            }

            .nav-toggle {
                display: block;
            }

            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 10px 0;
                order: 10;
            }

            .nav-menu.show {
                display: flex;
            }

            .nav-link {
                padding: 10px 14px;
                width: 100%;
                justify-content: flex-start;
            }

            .hero-category {
                padding: 60px 0 50px;
            }

            .hero-category-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .value-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .value-image-wrapper img {
                height: 260px;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .scenario-image img {
                height: 240px;
            }

            .section-padding {
                padding: 56px 0;
            }

            .tips-section {
                padding: 56px 0;
            }

            .cta-section {
                padding: 56px 0;
            }

            .tips-timeline {
                padding-left: 34px;
            }

            .tips-timeline::before {
                left: 14px;
            }

            .tip-number {
                left: -34px;
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }

            .fab-royal {
                bottom: 4.5rem;
                width: 48px;
                height: 48px;
            }
        }

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

            .logo-text {
                font-size: 0.78rem;
                max-width: 140px;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }

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

            .hero-category {
                padding: 44px 0 40px;
            }

            .hero-category h1 {
                font-size: 1.65rem;
            }

            .hero-desc {
                font-size: 0.92rem;
            }

            .hero-stats-mini {
                gap: 18px;
            }

            .hero-stat-mini .stat-number {
                font-size: 1.4rem;
            }

            .btn-primary,
            .btn-secondary {
                padding: 11px 18px;
                font-size: 0.84rem;
                width: 100%;
                justify-content: center;
            }

            .hero-cta-group {
                flex-direction: column;
            }

            .data-proof-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .section-title {
                font-size: 1.45rem;
            }

            .section-subtitle {
                font-size: 0.9rem;
            }

            .tip-item {
                padding: 18px 14px;
            }

            .tip-item h4 {
                font-size: 0.92rem;
            }

            .tip-item p {
                font-size: 0.82rem;
            }

            .scenario-list li {
                font-size: 0.85rem;
            }

            .faq-question {
                font-size: 0.85rem;
                padding: 13px 15px;
            }

            .faq-answer p {
                font-size: 0.8rem;
            }

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

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

            .hero-signal-panel {
                padding: 18px 14px;
            }

            .signal-label {
                font-size: 0.76rem;
            }

            .signal-value {
                font-size: 0.76rem;
            }

            .value-list li,
            .scenario-list li {
                font-size: 0.85rem;
            }

            .fab-royal {
                left: 0.75rem;
                bottom: 4rem;
                width: 44px;
                height: 44px;
            }

            .fab-royal i {
                font-size: 1.05rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-bg-deep: #0A2E1C;
            --color-bg-forest: #123E25;
            --color-accent-gold: #FFD700;
            --color-accent-red: #D32F2F;
            --color-text-light: #FFFFFF;
            --color-text-mint: #D1F2EB;
            --color-text-muted: rgba(209, 242, 235, 0.75);
            --color-border-gold: rgba(255, 215, 0, 0.45);
            --color-bg-card: rgba(10, 46, 28, 0.82);
            --color-bg-card-hover: rgba(18, 62, 37, 0.92);
            --border-radius-sm: 10px;
            --border-radius-md: 16px;
            --border-radius-lg: 24px;
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.3);
            --transition-base: 0.3s ease;
            --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-heading: 'Georgia', 'Times New Roman', serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            background: var(--color-bg-deep);
            color: var(--color-text-light);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }
        button,
        input {
            font-family: inherit;
        }
        button:focus,
        a:focus {
            outline: 2px solid var(--color-accent-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 960px;
        }
        .container-wide {
            max-width: 1320px;
        }
        .section-padding {
            padding: 88px 0;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: clamp(1.8rem, 3.5vw, 2.4rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--color-accent-gold);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.65;
            margin-bottom: 40px;
        }
        .text-mint {
            color: var(--color-text-mint);
        }
        .text-gold {
            color: var(--color-accent-gold);
        }
        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-gold);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
            flex-wrap: nowrap;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 1;
            min-width: 0;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700 0%, #B8860B 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0A2E1C;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(255, 215, 0, 0.4);
        }
        .logo-text {
            font-size: 0.95rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-accent-gold);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-mint);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        .nav-link.active {
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.12);
        }
        .nav-buttons {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            padding: 9px 18px;
            border: 1px solid var(--color-border-gold);
            border-radius: 8px;
            background: transparent;
            color: var(--color-accent-gold);
            font-weight: 700;
            font-size: 0.88rem;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.12);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.2);
        }
        .btn-signup {
            padding: 9px 20px;
            border-radius: 8px;
            background: linear-gradient(135deg, #FFD700 0%, #DAA520 100%);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 0.88rem;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            white-space: nowrap;
            border: none;
        }
        .btn-signup:hover {
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-gold);
            border-radius: 8px;
            padding: 8px 12px;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .nav-toggle:hover {
            background: rgba(255, 215, 0, 0.12);
        }
        /* Hero */
        .category-hero {
            padding: 72px 0 48px;
            background: radial-gradient(circle at 50% 0%, #123E25 0%, #0A2E1C 70%);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content {
            text-align: left;
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: clamp(2.2rem, 5vw, 3.2rem);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--color-accent-gold);
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-mint);
            line-height: 1.7;
            max-width: 520px;
            margin-bottom: 28px;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 10px;
            background: linear-gradient(135deg, #FFD700 0%, #DAA520 100%);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-gold);
            border: none;
        }
        .btn-primary:hover {
            box-shadow: 0 10px 30px rgba(255, 215, 0, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 10px;
            border: 1px solid var(--color-border-gold);
            background: transparent;
            color: var(--color-accent-gold);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.12);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.2);
        }
        .hero-image {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-image img {
            border-radius: var(--border-radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-gold);
            width: 100%;
            max-height: 400px;
            object-fit: cover;
        }
        /* Value Points */
        .value-points {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 28px;
        }
        .value-point {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-md);
            padding: 20px;
            transition: all var(--transition-base);
        }
        .value-point:hover {
            background: var(--color-bg-card-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .value-icon {
            width: 42px;
            height: 42px;
            min-width: 42px;
            border-radius: 10px;
            background: linear-gradient(135deg, #FFD700 0%, #B8860B 100%);
            color: #0A2E1C;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }
        .value-content h3 {
            margin: 0 0 6px;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-accent-gold);
        }
        .value-content p {
            margin: 0;
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        /* Steps / Process */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        .step-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-md);
            padding: 28px 24px;
            transition: all var(--transition-base);
        }
        .step-card:hover {
            background: var(--color-bg-card-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-accent-gold);
            color: #0A2E1C;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .step-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
        }
        /* Tips Highlight */
        .tips-panel {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .tip-card {
            background: var(--color-bg-card);
            border-left: 4px solid var(--color-accent-gold);
            border-radius: var(--border-radius-md);
            padding: 24px;
            transition: all var(--transition-base);
        }
        .tip-card:hover {
            background: var(--color-bg-card-hover);
            box-shadow: var(--shadow-card);
        }
        .tip-card h3 {
            font-size: 1.1rem;
            color: var(--color-accent-gold);
            margin-bottom: 8px;
        }
        .tip-card p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 32px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-md);
            padding: 24px;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            background: var(--color-bg-card-hover);
        }
        .faq-question {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 10px;
        }
        .faq-answer {
            color: var(--color-text-muted);
            line-height: 1.7;
            font-size: 0.95rem;
        }
        /* CTA */
        .cta-section {
            background: radial-gradient(circle at 50% 50%, #123E25 0%, #0A2E1C 80%);
            border-top: 1px solid var(--color-border-gold);
            border-bottom: 1px solid var(--color-border-gold);
            padding: 64px 0;
            text-align: center;
        }
        .cta-content {
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-title {
            font-family: var(--font-heading);
            font-size: clamp(1.8rem, 3.5vw, 2.2rem);
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 16px;
        }
        .cta-description {
            color: var(--color-text-mint);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 28px;
        }
        /* Footer */
        .site-footer {
            background: #0A2E1C;
            border-top: 1px solid var(--color-border-gold);
            padding: 64px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-family: var(--font-heading);
            color: var(--color-accent-gold);
            font-size: 1.2rem;
            margin-bottom: 14px;
        }
        .footer-brand p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .compliance-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--color-border-gold);
            border-radius: 20px;
            padding: 6px 12px;
            font-size: 0.8rem;
            color: var(--color-accent-gold);
        }
        .footer-column h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--color-accent-gold);
        }
        .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding-top: 24px;
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }
        .footer-bottom a {
            color: var(--color-accent-gold);
        }
        .footer-bottom a:hover {
            text-decoration: underline;
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700 0%, #B8860B 100%);
            color: #0A2E1C;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            border: 2px solid var(--color-accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all var(--transition-base);
            opacity: 0.7;
            animation: floatFAB 3s ease-in-out infinite;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1) rotate(15deg);
            box-shadow: 0 0 30px rgba(255, 215, 0, 0.6);
        }
        .fab:active {
            transform: scale(0.95) rotate(0deg);
        }
        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: blink 1.5s infinite;
        }
        @keyframes floatFAB {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                gap: 32px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
            .nav-wrapper {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                padding: 12px 0;
                order: 3;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-buttons {
                order: 2;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }
            .hero-content {
                text-align: center;
            }
            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-buttons {
                justify-content: center;
            }
            .value-point {
                text-align: left;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .tips-panel {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 0.8rem;
            }
            .btn-login, .btn-signup {
                padding: 8px 12px;
                font-size: 0.8rem;
            }
            .nav-buttons {
                gap: 6px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .btn-primary, .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category3 */
:root {
            --color-bg-deep: #0A2E1C;
            --color-bg-forest: #123E25;
            --color-accent-gold: #FFD700;
            --color-accent-red: #D32F2F;
            --color-text-light: #FFFFFF;
            --color-text-mint: #D1F2EB;
            --color-text-muted: rgba(209, 242, 235, 0.75);
            --color-border-gold: rgba(255, 215, 0, 0.45);
            --color-bg-card: rgba(10, 46, 28, 0.82);
            --color-bg-card-hover: rgba(18, 62, 37, 0.92);
            --border-radius-sm: 10px;
            --border-radius-md: 16px;
            --border-radius-lg: 24px;
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.3);
            --transition-base: 0.3s ease;
            --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-heading: 'Georgia', 'Times New Roman', serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            background: var(--color-bg-deep);
            color: var(--color-text-light);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        button:focus,
        a:focus {
            outline: 2px solid var(--color-accent-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 960px;
        }
        .section-padding {
            padding: 88px 0;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: clamp(1.8rem, 3.5vw, 2.4rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--color-accent-gold);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.65;
            margin-bottom: 40px;
        }
        .text-mint {
            color: var(--color-text-mint);
        }
        .text-gold {
            color: var(--color-accent-gold);
        }
        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-gold);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
            flex-wrap: nowrap;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 1;
            min-width: 0;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700 0%, #B8860B 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0A2E1C;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(255, 215, 0, 0.4);
        }
        .logo-text {
            font-size: 0.95rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-accent-gold);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-mint);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        .nav-link.active {
            color: var(--color-accent-gold);
            background: rgba(255, 215, 0, 0.12);
        }
        .nav-buttons {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            padding: 9px 18px;
            border: 1px solid var(--color-border-gold);
            border-radius: 8px;
            background: transparent;
            color: var(--color-accent-gold);
            font-weight: 700;
            font-size: 0.88rem;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.12);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.2);
        }
        .btn-signup {
            padding: 9px 20px;
            border-radius: 8px;
            background: linear-gradient(135deg, #FFD700 0%, #DAA520 100%);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 0.88rem;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            white-space: nowrap;
            border: none;
        }
        .btn-signup:hover {
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-gold);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.05rem;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-base);
        }
        .nav-toggle:hover {
            background: rgba(255, 215, 0, 0.1);
        }
        /* Hero */
        .hero-section {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.95) 0%, rgba(18, 62, 37, 0.85) 100%);
            border-bottom: 1px solid var(--color-border-gold);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 30%, rgba(255, 215, 0, 0.12) 0%, transparent 40%),
                        radial-gradient(circle at 80% 70%, rgba(211, 47, 47, 0.15) 0%, transparent 45%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 56px;
            align-items: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--color-border-gold);
            border-radius: 50px;
            color: var(--color-accent-gold);
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 24px;
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: clamp(2rem, 4.5vw, 3.1rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--color-text-light);
        }
        .hero-title .highlight {
            color: var(--color-accent-gold);
            background: linear-gradient(135deg, #FFD700, #FFE44D);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn-primary {
            padding: 13px 28px;
            border-radius: 12px;
            background: linear-gradient(135deg, #FFD700 0%, #DAA520 100%);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 6px 22px rgba(255, 215, 0, 0.35);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            box-shadow: 0 10px 36px rgba(255, 215, 0, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline {
            padding: 13px 26px;
            border-radius: 12px;
            background: transparent;
            color: var(--color-accent-gold);
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-gold);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.12);
            box-shadow: 0 4px 18px rgba(255, 215, 0, 0.2);
        }
        /* Creator profile card */
        .profile-card {
            background: rgba(10, 46, 28, 0.75);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-lg);
            padding: 32px 28px;
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-gold);
            text-align: center;
        }
        .profile-avatar {
            width: 92px;
            height: 92px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700, #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.4rem;
            color: #0A2E1C;
            box-shadow: 0 0 30px rgba(255, 215, 0, 0.45);
            border: 3px solid rgba(255, 255, 255, 0.3);
        }
        .profile-name {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-bottom: 6px;
        }
        .verified-icon {
            color: #00E5FF;
            font-size: 1.1rem;
        }
        .profile-role {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .profile-stats {
            display: flex;
            justify-content: center;
            gap: 28px;
            flex-wrap: wrap;
            margin-bottom: 22px;
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            display: block;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-accent-gold);
        }
        .stat-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .profile-follow {
            width: 100%;
            padding: 11px 22px;
            border-radius: 10px;
            background: linear-gradient(135deg, #FFD700, #DAA520);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 0.92rem;
            cursor: pointer;
            border: none;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }
        .profile-follow:hover {
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            transform: translateY(-2px);
        }
        /* Feature cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-md);
            padding: 28px 24px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .feature-card:hover {
            background: var(--color-bg-card-hover);
            transform: translateY(-4px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4), 0 0 20px rgba(255, 215, 0, 0.15);
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-accent-gold);
            margin-bottom: 18px;
        }
        .feature-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 10px;
        }
        .feature-desc {
            font-size: 0.92rem;
            color: var(--color-text-muted);
            line-height: 1.65;
        }
        /* Use case */
        .usecase-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .usecase-item {
            background: rgba(10, 46, 28, 0.65);
            border-left: 3px solid var(--color-accent-gold);
            border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
            padding: 22px 24px;
            transition: all var(--transition-base);
        }
        .usecase-item:hover {
            background: rgba(18, 62, 37, 0.8);
            transform: translateX(4px);
        }
        .usecase-title {
            font-weight: 700;
            color: var(--color-text-light);
            font-size: 1.05rem;
            margin-bottom: 8px;
        }
        .usecase-desc {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        .step-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-md);
            padding: 24px 18px;
            text-align: left;
            transition: all var(--transition-base);
            position: relative;
        }
        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700, #DAA520);
            color: #0A2E1C;
            font-weight: 900;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }
        .step-title {
            font-weight: 700;
            color: var(--color-text-light);
            font-size: 1rem;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .step-desc {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            line-height: 1.6;
        }
        /* Image card */
        .img-card {
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-gold);
            box-shadow: var(--shadow-card);
            height: 100%;
        }
        .img-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-gold);
            border-radius: var(--border-radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-question {
            width: 100%;
            padding: 20px 24px;
            background: none;
            border: none;
            color: var(--color-text-light);
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            text-align: left;
            gap: 16px;
            transition: all var(--transition-base);
        }
        .faq-question:focus {
            outline: 2px solid var(--color-accent-gold);
            outline-offset: -2px;
        }
        .faq-icon {
            color: var(--color-accent-gold);
            font-size: 0.9rem;
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            color: var(--color-text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--color-bg-forest), var(--color-bg-deep));
            border-top: 1px solid var(--color-border-gold);
            border-bottom: 1px solid var(--color-border-gold);
        }
        .cta-box {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        /* Footer */
        .site-footer {
            background: #081F13;
            padding: 64px 0 32px;
            border-top: 1px solid var(--color-border-gold);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            color: var(--color-accent-gold);
            margin-bottom: 14px;
            line-height: 1.4;
        }
        .footer-brand p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.65;
        }
        .compliance-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            border-radius: 6px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-gold);
            font-size: 0.78rem;
            font-weight: 700;
        }
        .footer-column h4 {
            color: var(--color-accent-gold);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--color-text-muted);
            font-size: 0.88rem;
            transition: all var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--color-accent-gold);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            color: var(--color-text-muted);
            font-size: 0.82rem;
        }
        .footer-legal {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-legal a {
            color: var(--color-text-muted);
        }
        .footer-legal a:hover {
            color: var(--color-accent-gold);
        }
        /* FAB */
        .fab-main {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0A2E1C, #081F13);
            border: 2px solid #FFD700;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.7;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3), inset 0 1px 0 rgba(255,255,255,0.2);
            transition: all var(--transition-base);
            animation: fab-breathe 3s ease-in-out infinite;
        }
        .fab-main:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5), inset 0 1px 0 rgba(255,255,255,0.25);
        }
        .fab-main:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-icon {
            font-size: 1.7rem;
            color: #FFD700;
            transition: transform 0.5s ease;
        }
        .fab-main:hover .fab-icon {
            transform: rotate(360deg);
        }
        .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #D32F2F;
            border: 2px solid #0A2E1C;
            animation: fab-blink 1.5s ease-in-out infinite;
        }
        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.97);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px;
                border-bottom: 1px solid var(--color-border-gold);
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-link {
                width: 100%;
                padding: 12px 14px;
            }
            .nav-toggle {
                display: flex;
            }
            .section-padding {
                padding: 56px 0;
            }
            .feature-grid,
            .usecase-grid,
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-outline {
                justify-content: center;
            }
            .profile-stats {
                gap: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .footer-legal {
                justify-content: center;
            }
            .nav-buttons .btn-login,
            .nav-buttons .btn-signup {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
        }