/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-tertiary: #0F3620;
            --bg-card: #163D28;
            --bg-dark: #082618;
            --accent-gold: #FFD700;
            --accent-gold-light: #FFED80;
            --accent-red: #D32F2F;
            --accent-red-bright: #EF4444;
            --text-white: #FFFFFF;
            --text-pale: #D1F2EB;
            --text-muted: #A0C8B8;
            --text-gold: #FEF08A;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-subtle: rgba(255, 215, 0, 0.18);
            --shadow-gold: 0 4px 24px rgba(255, 215, 0, 0.18);
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.35);
            --shadow-btn: 0 4px 18px rgba(211, 47, 47, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .btn {
            cursor: pointer;
            font-family: var(--font-body);
        }
        ul, ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container-custom {
            width: 100%;
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 20px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* Navbar */
        .navbar-site {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(10, 46, 28, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-gold);
            padding: 10px 0;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .navbar-site.scrolled {
            background: rgba(8, 38, 24, 0.97);
            box-shadow: 0 2px 20px rgba(0,0,0,0.5);
        }
        .navbar-site .navbar-brand-custom {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--accent-gold) !important;
            letter-spacing: 0.3px;
            white-space: nowrap;
            line-height: 1.3;
            max-width: 260px;
        }
        .navbar-site .nav-link {
            color: var(--text-pale) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            position: relative;
        }
        .navbar-site .nav-link:hover,
        .navbar-site .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(255, 215, 0, 0.08);
        }
        .navbar-site .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 1px;
        }
        .btn-nav-login {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-login:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
            color: var(--accent-gold-light);
        }
        .btn-nav-signup {
            background: var(--accent-red);
            border: 1px solid var(--accent-red);
            color: #fff;
            padding: 8px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-btn);
            white-space: nowrap;
        }
        .btn-nav-signup:hover {
            background: var(--accent-red-bright);
            border-color: var(--accent-red-bright);
            color: #fff;
            box-shadow: 0 6px 22px rgba(239, 68, 68, 0.45);
            transform: translateY(-1px);
        }
        .navbar-toggler {
            border: 1px solid var(--border-gold);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,215,0,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .nav-actions-mobile {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        @media (min-width: 992px) {
            .nav-actions-mobile {
                display: none;
            }
            .nav-actions-desktop {
                display: flex;
                gap: 10px;
                align-items: center;
            }
        }
        @media (max-width: 991.98px) {
            .nav-actions-desktop {
                display: none;
            }
            .nav-actions-mobile {
                display: flex;
            }
            .navbar-site .nav-link {
                padding: 10px 16px !important;
                font-size: 1rem;
            }
            .navbar-site .navbar-collapse {
                background: rgba(10, 46, 28, 0.98);
                border-radius: var(--radius-md);
                padding: 12px;
                margin-top: 8px;
                border: 1px solid var(--border-subtle);
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            background-position: center 30%;
            margin-top: 0;
            padding-top: 90px;
            padding-bottom: 60px;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8,38,24,0.82) 0%, rgba(10,46,28,0.9) 60%, rgba(10,46,28,0.96) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-tag-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }
        .hero-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.88rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: default;
        }
        .hero-tag:hover {
            background: rgba(255, 215, 0, 0.22);
            border-color: var(--accent-gold);
        }
        .hero-section h1 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.8rem;
            color: var(--accent-gold);
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.3px;
            max-width: 750px;
        }
        .hero-section .hero-subtitle {
            font-size: 1.12rem;
            color: var(--text-pale);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 620px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .btn-hero-primary {
            background: var(--accent-red);
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition-smooth);
            letter-spacing: 0.3px;
        }
        .btn-hero-primary:hover {
            background: var(--accent-red-bright);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(239, 68, 68, 0.5);
            color: #fff;
        }
        .btn-hero-outline {
            background: transparent;
            border: 2px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 13px 30px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1.02rem;
            transition: all var(--transition-smooth);
        }
        .btn-hero-outline:hover {
            background: rgba(255, 215, 0, 0.12);
            border-color: var(--accent-gold);
            color: var(--accent-gold-light);
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 32px;
        }
        .hero-stat-item {
            text-align: left;
        }
        .hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 520px;
                padding-top: 80px;
                padding-bottom: 40px;
            }
            .hero-section h1 {
                font-size: 1.9rem;
                max-width: 100%;
            }
            .hero-section .hero-subtitle {
                font-size: 1rem;
                max-width: 100%;
            }
            .hero-stats-row {
                gap: 18px;
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
            .hero-tag-strip {
                gap: 6px;
            }
            .hero-tag {
                font-size: 0.78rem;
                padding: 6px 14px;
            }
        }

        /* Section Common */
        .section-block {
            padding: 64px 0;
        }
        .section-block-alt {
            background: var(--bg-secondary);
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 1.2px;
            margin-bottom: 10px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2rem;
            color: var(--text-white);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 680px;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
        }

        /* Pain Point Cards */
        .pain-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .pain-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--accent-red);
            border-radius: 0 4px 4px 0;
        }
        .pain-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }
        .pain-card .pain-icon {
            font-size: 2rem;
            color: var(--accent-red);
            margin-bottom: 14px;
        }
        .pain-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .pain-card p {
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* Solution Steps */
        .solution-step {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .solution-step:last-child {
            border-bottom: none;
        }
        .solution-step-num {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent-gold);
            color: var(--bg-dark);
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .solution-step-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }
        .solution-step-body p {
            font-size: 0.93rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* Referral / Progress */
        .referral-bento {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: stretch;
        }
        .referral-info-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            height: 100%;
        }
        .referral-info-card h4 {
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        .referral-info-card p {
            color: var(--text-pale);
            font-size: 0.95rem;
            line-height: 1.65;
            margin-bottom: 16px;
        }
        .progress-bar-custom {
            background: var(--bg-dark);
            border-radius: 20px;
            height: 16px;
            overflow: hidden;
            margin: 16px 0;
            border: 1px solid var(--border-subtle);
        }
        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-light));
            border-radius: 20px;
            transition: width 1s ease;
        }
        .progress-label-row {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .referral-bento {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* Leaderboard */
        .leaderboard-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
        }
        .leaderboard-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        .leaderboard-table th {
            background: var(--bg-dark);
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 16px 14px;
            text-align: left;
            border-bottom: 2px solid var(--border-gold);
            white-space: nowrap;
        }
        .leaderboard-table td {
            padding: 14px 14px;
            color: var(--text-pale);
            font-size: 0.93rem;
            border-bottom: 1px solid var(--border-subtle);
            vertical-align: middle;
        }
        .leaderboard-table tbody tr {
            transition: background var(--transition-fast);
        }
        .leaderboard-table tbody tr:hover {
            background: rgba(255, 215, 0, 0.05);
        }
        .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .rank-1 { background: var(--accent-gold); color: var(--bg-dark); }
        .rank-2 { background: #C0C0C0; color: #1a1a1a; }
        .rank-3 { background: #CD7F32; color: #fff; }
        .rank-other { background: var(--bg-tertiary); color: var(--text-muted); border: 1px solid var(--border-subtle); }
        .badge-verified {
            display: inline-block;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
        }

        /* Testimonials Bubble Wall */
        .testimonial-bubbles {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        .testimonial-bubble {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            position: relative;
            transition: all var(--transition-smooth);
        }
        .testimonial-bubble:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }
        .testimonial-bubble .quote-mark {
            font-size: 3rem;
            color: var(--accent-gold);
            opacity: 0.3;
            line-height: 1;
            position: absolute;
            top: 10px;
            left: 16px;
        }
        .testimonial-bubble .bubble-text {
            font-size: 0.95rem;
            color: var(--text-pale);
            line-height: 1.65;
            padding-top: 16px;
            margin-bottom: 14px;
        }
        .testimonial-bubble .bubble-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .bubble-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-tertiary);
            border: 2px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .bubble-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-white);
        }
        .bubble-date {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* News CMS List */
        .news-list-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .news-list-item {
            display: flex;
            gap: 16px;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-fast);
            align-items: center;
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item:hover {
            background: rgba(255, 215, 0, 0.04);
        }
        .news-list-item .news-date-badge {
            flex-shrink: 0;
            width: 56px;
            text-align: center;
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.3;
        }
        .news-list-item .news-date-badge strong {
            display: block;
            font-size: 1.4rem;
            color: var(--accent-gold);
        }
        .news-list-item .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-list-item .news-title-link {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-white);
            line-height: 1.4;
            display: block;
            transition: color var(--transition-fast);
        }
        .news-list-item .news-title-link:hover {
            color: var(--accent-gold);
        }
        .news-list-item .news-excerpt {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 3px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-empty-state {
            padding: 40px 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        @media (max-width: 520px) {
            .news-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .news-list-item .news-date-badge {
                width: auto;
                text-align: left;
                display: flex;
                gap: 6px;
                align-items: baseline;
            }
        }

        /* Hot Topics Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud .topic-tag {
            display: inline-block;
            padding: 9px 20px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid var(--border-subtle);
            color: var(--text-pale);
            background: var(--bg-card);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .tag-cloud .topic-tag:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-tertiary) 50%, var(--bg-secondary) 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: left;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.06);
            z-index: 0;
        }
        .cta-banner-content {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            align-items: center;
            justify-content: space-between;
        }
        .cta-banner h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }
        .cta-banner p {
            color: var(--text-pale);
            font-size: 0.98rem;
            margin: 0;
            max-width: 500px;
            line-height: 1.6;
        }
        .btn-cta-large {
            background: var(--accent-red);
            color: #fff;
            border: none;
            padding: 16px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-cta-large:hover {
            background: var(--accent-red-bright);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(239, 68, 68, 0.5);
            color: #fff;
        }

        /* FAQ Accordion Override */
        .accordion-custom .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-custom .accordion-button {
            background: var(--bg-card);
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 22px;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--bg-tertiary);
            color: var(--accent-gold);
            border-bottom: 1px solid var(--border-subtle);
        }
        .accordion-custom .accordion-button::after {
            filter: brightness(0) invert(1);
        }
        .accordion-custom .accordion-body {
            background: var(--bg-card);
            color: var(--text-pale);
            font-size: 0.95rem;
            line-height: 1.7;
            padding: 18px 22px;
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.3);
            border-color: var(--border-gold);
        }

        /* Footer */
        .footer-site {
            background: var(--bg-dark);
            border-top: 2px solid var(--border-gold);
            padding: 48px 0 28px;
        }
        .footer-brand {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            max-width: 400px;
        }
        .footer-links-title {
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 12px;
        }
        .footer-links-list a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-links-list a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            margin-top: 28px;
            padding-top: 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 16px;
        }
        .footer-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-subtle);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* FAB */
        .fab-royal {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 40% 35%, #2a1a0a, #0d0d0d);
            border: 3px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-smooth);
            opacity: 0.75;
            animation: fab-float 3s ease-in-out infinite;
            text-decoration: none;
        }
        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
            border-color: var(--accent-gold-light);
        }
        .fab-royal:active {
            transform: scale(0.94);
        }
        .fab-royal .fab-icon {
            font-size: 1.5rem;
            color: var(--accent-gold);
            transition: transform 0.4s ease;
        }
        .fab-royal:hover .fab-icon {
            transform: rotate(360deg);
        }
        .fab-notification-dot {
            position: absolute;
            top: 6px;
            right: 8px;
            width: 12px;
            height: 12px;
            background: var(--accent-red-bright);
            border-radius: 50%;
            border: 2px solid var(--bg-dark);
            animation: blink-dot 1.5s ease-in-out infinite;
        }
        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes blink-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        @media (max-width: 768px) {
            .fab-royal {
                left: 14px;
                bottom: 90px;
                width: 50px;
                height: 50px;
            }
            .fab-royal .fab-icon {
                font-size: 1.3rem;
            }
        }

        /* Utility */
        .text-gold { color: var(--accent-gold) !important; }
        .text-pale { color: var(--text-pale) !important; }
        .bg-card-dark { background: var(--bg-card) !important; }
        .rounded-xl { border-radius: var(--radius-xl) !important; }
        .border-gold-subtle { border: 1px solid var(--border-subtle); }
        .gap-24 { gap: 24px; }
        .mt-neg-4 { margin-top: -4px; }

        /* Responsive overrides */
        @media (max-width: 576px) {
            .btn-hero-primary, .btn-hero-outline {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .cta-banner-content {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .cta-banner h3 {
                font-size: 1.35rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-deeper: #072114;
            --bg-card: #0F3528;
            --bg-card-hover: #164A33;
            --accent-gold: #FFD700;
            --accent-gold-bright: #FFC107;
            --accent-gold-light: #FFF3B0;
            --accent-red: #D32F2F;
            --accent-red-bright: #EF4444;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-mint-light: #E8FAF4;
            --text-muted: #9BB8AF;
            --text-gold: #FEF08A;
            --border-gold: #B8860B;
            --border-gold-light: #D4A745;
            --border-subtle: rgba(255, 215, 0, 0.25);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.18);
            --shadow-gold-strong: 0 6px 30px rgba(255, 215, 0, 0.28);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.35);
            --shadow-elevated: 0 8px 32px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --font-heading: 'Segoe UI', 'Tahoma', 'Arial', sans-serif;
            --font-body: 'Segoe UI', 'Tahoma', 'Arial', sans-serif;
            --container-max: 1200px;
            --navbar-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--navbar-height);
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
            transition: all var(--transition-smooth);
        }

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

        h1 {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--accent-gold);
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--text-white);
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--text-mint-light);
        }

        p {
            margin-bottom: 1rem;
            color: var(--text-mint);
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== NAVBAR ========== */
        .navbar-site {
            background-color: rgba(7, 33, 20, 0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            min-height: var(--navbar-height);
            display: flex;
            align-items: center;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.4);
        }
        .navbar-site .container-custom {
            width: 100%;
        }
        .navbar-brand-custom {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-gold) !important;
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-brand-custom .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-full);
            background: radial-gradient(circle at 35% 30%, #FFE566, #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #0A2E1C;
            flex-shrink: 0;
            box-shadow: 0 0 14px rgba(255, 215, 0, 0.4);
        }
        .navbar-nav {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            align-items: center;
        }
        .nav-link {
            color: var(--text-mint) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            position: relative;
        }
        .nav-link:hover {
            color: var(--accent-gold) !important;
            background-color: rgba(255, 215, 0, 0.06);
        }
        .nav-link.active {
            color: var(--accent-gold) !important;
            background-color: rgba(255, 215, 0, 0.1);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 3px;
        }
        .btn-nav-login {
            background: transparent;
            border: 1px solid var(--border-gold-light);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .btn-nav-login:hover {
            background-color: rgba(255, 215, 0, 0.08);
            border-color: var(--accent-gold);
            color: var(--accent-gold-bright);
        }
        .btn-nav-signup {
            background: linear-gradient(135deg, #D4A017, #B8860B);
            border: 1px solid var(--accent-gold);
            color: #0A2E1C;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-fast);
        }
        .btn-nav-signup:hover {
            background: linear-gradient(135deg, #E5B830, #C99718);
            box-shadow: var(--shadow-gold-strong);
            transform: translateY(-1px);
            color: #072114;
        }
        .navbar-toggler {
            border: 1px solid var(--border-gold-light);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            background: transparent;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,215,0,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.25);
            outline: none;
        }
        #mobileNav {
            background-color: rgba(7, 33, 20, 0.98);
            border-radius: var(--radius-md);
            margin-top: 8px;
            padding: 8px 0;
            border: 1px solid var(--border-subtle);
        }
        #mobileNav .nav-link {
            padding: 12px 20px !important;
            font-size: 1rem;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(170deg, #072114 0%, #0A2E1C 30%, #123E25 65%, #0D3320 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 70px 0 60px;
            min-height: 520px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border-subtle);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 215, 0, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 75% 35%, rgba(255, 215, 0, 0.04) 0%, transparent 55%);
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 340px;
            height: 340px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(211, 47, 47, 0.2);
            border: 1px solid rgba(211, 47, 47, 0.5);
            color: #FF6B6B;
            font-weight: 700;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-mint);
            max-width: 520px;
            margin-bottom: 24px;
            line-height: 1.65;
        }
        .btn-hero-primary {
            display: inline-block;
            background: linear-gradient(135deg, #D4A017, #B8860B);
            color: #0A2E1C;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-smooth);
            text-align: center;
        }
        .btn-hero-primary:hover {
            background: linear-gradient(135deg, #E5B830, #C99718);
            box-shadow: var(--shadow-gold-strong);
            transform: translateY(-2px);
            color: #072114;
        }
        .btn-hero-outline {
            display: inline-block;
            background: transparent;
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-gold-light);
            transition: all var(--transition-smooth);
            text-align: center;
        }
        .btn-hero-outline:hover {
            background: rgba(255, 215, 0, 0.08);
            border-color: var(--accent-gold);
            color: var(--accent-gold-bright);
        }
        .hero-ranking-panel {
            background: rgba(15, 53, 40, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            position: relative;
            z-index: 2;
            box-shadow: var(--shadow-elevated);
        }
        .hero-ranking-panel .ranking-title {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-gold);
            margin-bottom: 16px;
            text-align: center;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
        }
        .ranking-item:last-child {
            border-bottom: none;
        }
        .ranking-pos {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .ranking-pos.pos-1 {
            background: linear-gradient(135deg, #FFD700, #DAA520);
            color: #0A2E1C;
        }
        .ranking-pos.pos-2 {
            background: linear-gradient(135deg, #C0C0C0, #A0A0A0);
            color: #1a1a1a;
        }
        .ranking-pos.pos-3 {
            background: linear-gradient(135deg, #CD7F32, #A0522D);
            color: #fff;
        }
        .ranking-pos.pos-4,
        .ranking-pos.pos-5 {
            background: rgba(255, 215, 0, 0.2);
            color: var(--accent-gold);
            border: 1px solid var(--border-subtle);
        }
        .ranking-info .ranking-name {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-mint-light);
        }
        .ranking-info .ranking-score {
            font-size: 0.78rem;
            color: var(--accent-gold);
        }
        .ranking-stars {
            color: var(--accent-gold);
            font-size: 0.7rem;
            letter-spacing: 1px;
        }

        /* ========== SECTIONS ========== */
        .section-pad {
            padding: 60px 0;
        }
        .section-pad-lg {
            padding: 70px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-red-bright);
            background: rgba(211, 47, 47, 0.12);
            border: 1px solid rgba(211, 47, 47, 0.3);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-heading {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .section-subheading {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 650px;
            margin-bottom: 32px;
            line-height: 1.6;
        }

        /* ========== PAIN POINTS ========== */
        .pain-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .pain-card::before {
            content: '';
            position: absolute;
            top: -20px;
            left: -20px;
            width: 60px;
            height: 60px;
            background: radial-gradient(circle, rgba(211, 47, 47, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .pain-card:hover {
            border-color: var(--border-gold-light);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
            background: var(--bg-card-hover);
        }
        .pain-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-full);
            background: rgba(211, 47, 47, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-red-bright);
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .pain-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-mint-light);
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .pain-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }

        /* ========== SOLUTION / METHODOLOGY ========== */
        .method-step {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.08);
        }
        .method-step:last-child {
            border-bottom: none;
        }
        .method-step-num {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, #D4A017, #B8860B);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }
        .method-step-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-mint-light);
            margin-bottom: 4px;
        }
        .method-step-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ========== TRUST / TESTIMONIALS ========== */
        .trust-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: left;
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
        }
        .trust-card::after {
            content: '"';
            position: absolute;
            bottom: 10px;
            right: 20px;
            font-size: 4rem;
            color: rgba(255, 215, 0, 0.08);
            font-weight: 800;
            line-height: 1;
            pointer-events: none;
        }
        .trust-card:hover {
            border-color: var(--border-gold-light);
            box-shadow: var(--shadow-gold);
        }
        .trust-card .trust-quote {
            font-size: 0.95rem;
            color: var(--text-mint);
            line-height: 1.65;
            margin-bottom: 16px;
            font-style: italic;
        }
        .trust-card .trust-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--accent-gold);
        }
        .trust-card .trust-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .trust-stars-row {
            color: var(--accent-gold);
            font-size: 0.85rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, #0D3320 0%, #0A2E1C 40%, #123E25 100%);
            border-top: 2px solid var(--border-subtle);
            border-bottom: 2px solid var(--border-subtle);
            padding: 60px 0;
            text-align: left;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            color: var(--accent-gold);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: var(--text-mint);
            font-size: 1rem;
            max-width: 550px;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .btn-cta-large {
            display: inline-block;
            background: linear-gradient(135deg, #D4A017, #B8860B);
            color: #0A2E1C;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-gold);
            box-shadow: var(--shadow-gold-strong);
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
        }
        .btn-cta-large:hover {
            background: linear-gradient(135deg, #E5B830, #C99718);
            transform: translateY(-2px);
            box-shadow: 0 8px 36px rgba(255, 215, 0, 0.35);
            color: #072114;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-subtle);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text-mint-light);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 20px;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-gold);
        }
        .faq-question .faq-arrow {
            transition: transform var(--transition-smooth);
            color: var(--accent-gold);
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 20px 18px;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.65;
        }

        /* ========== FAB ========== */
        .fab-floating {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: var(--radius-full);
            background: radial-gradient(circle at 38% 32%, #FFE566, #B8860B);
            border: 3px solid #FFD700;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35), inset 0 1px 2px rgba(255, 255, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.75;
            animation: fab-float 3s ease-in-out infinite;
            transition: all var(--transition-smooth);
            outline: none;
        }
        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5), inset 0 1px 3px rgba(255, 255, 255, 0.4);
        }
        .fab-floating:active {
            transform: scale(0.94);
        }
        .fab-floating .fab-icon {
            font-size: 1.4rem;
            color: #0A2E1C;
            transition: transform var(--transition-smooth);
        }
        .fab-floating:hover .fab-icon {
            transform: rotate(360deg);
        }
        .fab-notification-dot {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 12px;
            height: 12px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #FFD700;
            animation: fab-blink 1.4s ease-in-out infinite;
        }
        @keyframes fab-float {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }
        @keyframes fab-blink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }

        /* ========== FOOTER ========== */
        .footer-site {
            background-color: var(--bg-deeper);
            border-top: 2px solid var(--border-subtle);
            padding: 50px 0 30px;
            color: var(--text-mint);
        }
        .footer-brand {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .footer-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.2);
            color: var(--accent-gold);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 6px 12px;
            border-radius: 20px;
        }
        .footer-links-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-mint-light);
            margin-bottom: 12px;
        }
        .footer-links-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links-list a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-links-list a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.12);
            margin-top: 32px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 991.98px) {
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .hero-section {
                padding: 50px 0 40px;
                min-height: auto;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-ranking-panel {
                margin-top: 28px;
            }
            .nav-actions-desktop {
                display: none !important;
            }
            .section-pad {
                padding: 40px 0;
            }
            .section-pad-lg {
                padding: 48px 0;
            }
            .fab-floating {
                width: 48px;
                height: 48px;
                left: 0.75rem;
                bottom: 5rem;
            }
            .fab-floating .fab-icon {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 767.98px) {
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                display: block;
                width: 100%;
                text-align: center;
                margin-bottom: 8px;
            }
            .section-heading {
                font-size: 1.4rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .navbar-brand-custom {
                font-size: 0.95rem;
            }
            .fab-floating {
                width: 44px;
                height: 44px;
                left: 0.5rem;
                bottom: 4.5rem;
            }
            .fab-floating .fab-icon {
                font-size: 1.1rem;
            }
            .hero-ranking-panel {
                padding: 16px 14px;
            }
            .ranking-item {
                gap: 8px;
                padding: 8px 0;
            }
            .method-step {
                flex-direction: column;
                gap: 8px;
            }
            .method-step-num {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.35rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            .section-heading {
                font-size: 1.2rem;
            }
            .navbar-brand-custom {
                font-size: 0.82rem;
            }
            .navbar-brand-custom .brand-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }
            .btn-nav-login,
            .btn-nav-signup {
                padding: 5px 10px;
                font-size: 0.72rem;
            }
            .fab-floating {
                width: 40px;
                height: 40px;
                left: 0.4rem;
                bottom: 4rem;
                border-width: 2px;
            }
            .fab-floating .fab-icon {
                font-size: 1rem;
            }
            .fab-notification-dot {
                width: 9px;
                height: 9px;
                top: 3px;
                right: 3px;
            }
        }

/* roulang page: article */
:root {
            --crimson-deep: #8B0000;
            --wine-dark: #4A0007;
            --wine-darker: #2D0004;
            --gold-pure: #FFD700;
            --gold-amber: #FF9F00;
            --gold-light: #FEF08A;
            --gold-muted: #D4AC0D;
            --gold-soft: #C5A059;
            --white-warm: #FFFDF9;
            --white-cream: #FFF8E7;
            --text-body: #F5F0E8;
            --text-muted: #C4BBA8;
            --text-soft: #A69B85;
            --bg-article: #FFFDF9;
            --bg-card: #FFFBF2;
            --border-gold-subtle: rgba(212, 172, 13, 0.22);
            --border-gold: rgba(255, 215, 0, 0.45);
            --shadow-gold: 0 4px 24px rgba(255, 215, 0, 0.14);
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.06);
            --shadow-fab: 0 4px 20px rgba(255, 215, 0, 0.32);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 26px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Playfair Display', 'Be Vietnam Pro', serif;
            --font-body: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            --nav-height: 68px;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: #0B0B0B;
            color: var(--white-warm);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            transition: all var(--transition-fast);
        }

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

        .container-custom {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== NAVIGATION ========== */
        .navbar-site {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(11, 11, 11, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.18);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }

        .navbar-site .container-custom {
            width: 100%;
        }

        .navbar-brand-custom {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--gold-pure) !important;
            letter-spacing: -0.3px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .navbar-brand-custom:hover {
            color: var(--gold-amber) !important;
        }

        .navbar-nav {
            list-style: none;
            display: flex;
            gap: 6px;
            margin: 0;
            padding: 0;
        }

        .nav-link {
            font-weight: 500;
            font-size: 0.92rem;
            color: var(--text-body) !important;
            padding: 10px 16px !important;
            border-radius: 20px;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: -0.1px;
        }

        .nav-link:hover {
            color: var(--gold-pure) !important;
            background: rgba(255, 215, 0, 0.07);
        }

        .nav-link.active {
            color: var(--gold-pure) !important;
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
        }

        .btn-nav-login {
            background: transparent;
            color: var(--white-warm);
            border: 1.5px solid rgba(255, 215, 0, 0.4);
            padding: 9px 22px;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

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

        .btn-nav-signup {
            background: linear-gradient(135deg, var(--gold-pure) 0%, var(--gold-amber) 100%);
            color: #2D0004;
            padding: 9px 22px;
            border-radius: 22px;
            font-weight: 700;
            font-size: 0.88rem;
            white-space: nowrap;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.25);
            transition: all var(--transition-fast);
        }

        .btn-nav-signup:hover {
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
            transform: translateY(-1px);
            color: #2D0004;
        }

        .navbar-toggler {
            border: 1.5px solid rgba(255, 215, 0, 0.35);
            border-radius: 10px;
            padding: 7px 10px;
            background: transparent;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,215,0,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

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

        .navbar-collapse {
            background: rgba(20, 6, 8, 0.97);
            border-radius: 14px;
            margin-top: 8px;
            padding: 12px 8px;
            border: 1px solid rgba(255, 215, 0, 0.15);
        }

        .navbar-collapse .nav-link {
            padding: 12px 18px !important;
            border-radius: 10px;
            font-size: 0.95rem;
        }

        /* ========== ARTICLE HERO / BANNER ========== */
        .article-hero {
            position: relative;
            margin-top: var(--nav-height);
            min-height: 340px;
            display: flex;
            align-items: flex-end;
            background: linear-gradient(180deg, #1A0003 0%, #0B0002 30%, #000 100%);
            overflow: hidden;
            border-bottom: 2px solid rgba(255, 215, 0, 0.18);
        }

        .article-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/coverpic/cover-2.png');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.22;
            filter: brightness(0.6) saturate(0.7);
        }

        .article-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.55) 40%, rgba(0, 0, 0, 0.3) 100%);
        }

        .article-hero .container-custom {
            position: relative;
            z-index: 2;
            padding-top: 60px;
            padding-bottom: 48px;
        }

        .article-hero .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

        .breadcrumb-custom a {
            color: var(--gold-muted);
            font-weight: 500;
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-sep {
            color: rgba(255, 215, 0, 0.35);
            font-size: 0.7rem;
        }

        .article-hero .article-meta-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .article-meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(255, 215, 0, 0.13);
            color: var(--gold-light);
            padding: 5px 14px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid rgba(255, 215, 0, 0.25);
        }

        .article-meta-date {
            font-size: 0.82rem;
            color: var(--text-soft);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .article-hero-title {
            font-family: var(--font-heading);
            font-weight: 900;
            font-size: 2.4rem;
            color: var(--white-warm);
            line-height: 1.2;
            letter-spacing: -0.6px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
            max-width: 900px;
        }

        /* ========== ARTICLE BODY ========== */
        .article-body-section {
            background: var(--bg-article);
            color: #1A1A1A;
            padding: 48px 0 60px;
        }

        .article-content-wrap {
            max-width: 820px;
            margin: 0 auto;
            font-size: 1.05rem;
            line-height: 1.75;
            color: #2A2520;
        }

        .article-content-wrap h2 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.7rem;
            color: #3D0A0A;
            margin-top: 2.2em;
            margin-bottom: 0.7em;
            padding-bottom: 10px;
            border-bottom: 2px solid rgba(139, 0, 0, 0.12);
            letter-spacing: -0.3px;
        }

        .article-content-wrap h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: #5C1A1A;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            letter-spacing: -0.2px;
        }

        .article-content-wrap p {
            margin-bottom: 1.1em;
            color: #38312A;
            text-align: left;
        }

        .article-content-wrap ul,
        .article-content-wrap ol {
            margin-bottom: 1.3em;
            padding-left: 1.6em;
            color: #38312A;
        }

        .article-content-wrap li {
            margin-bottom: 0.4em;
        }

        .article-content-wrap strong {
            color: #3D0A0A;
            font-weight: 700;
        }

        .article-content-wrap img {
            border-radius: var(--radius-md);
            margin: 28px 0;
            box-shadow: var(--shadow-card);
        }

        .article-content-wrap blockquote {
            border-left: 4px solid var(--gold-pure);
            background: rgba(255, 215, 0, 0.06);
            padding: 18px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 28px 0;
            font-style: italic;
            color: #5C3D0A;
        }

        .article-featured-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin: 24px 0 36px;
            box-shadow: var(--shadow-gold);
            border: 2px solid var(--border-gold-subtle);
        }

        .article-featured-img img {
            width: 100%;
            display: block;
            border-radius: var(--radius-lg);
        }

        /* ========== INLINE CTA ========== */
        .article-inline-cta {
            background: linear-gradient(135deg, #FFF8E7 0%, #FFFDF5 50%, #FFF9E0 100%);
            border: 2px solid rgba(255, 215, 0, 0.4);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            margin: 40px 0;
            text-align: left;
            box-shadow: var(--shadow-gold);
            position: relative;
            overflow: hidden;
        }

        .article-inline-cta::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 100px;
            height: 100px;
            background: rgba(255, 215, 0, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }

        .article-inline-cta h4 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.3rem;
            color: #3D0A0A;
            margin-bottom: 8px;
            position: relative;
        }

        .article-inline-cta p {
            color: #5C3D0A;
            margin-bottom: 16px;
            position: relative;
        }

        .btn-cta-gold {
            display: inline-block;
            background: linear-gradient(135deg, var(--gold-pure) 0%, var(--gold-amber) 100%);
            color: #2D0004;
            padding: 12px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.95rem;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            transition: all var(--transition-smooth);
            position: relative;
        }

        .btn-cta-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
            color: #2D0004;
        }

        .btn-cta-gold:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.25);
        }

        /* ========== NOT FOUND STATE ========== */
        .not-found-state {
            text-align: center;
            padding: 80px 20px;
            max-width: 560px;
            margin: 0 auto;
        }

        .not-found-state .icon-circle {
            width: 80px;
            height: 80px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            font-size: 2rem;
            color: var(--gold-muted);
            border: 2px solid rgba(255, 215, 0, 0.2);
        }

        .not-found-state h3 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.6rem;
            color: #3D0A0A;
            margin-bottom: 10px;
        }

        .not-found-state p {
            color: #6B5D4F;
            margin-bottom: 24px;
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            background: #0B0B0B;
            padding: 60px 0 56px;
            border-top: 1px solid rgba(255, 215, 0, 0.1);
        }

        .faq-section .section-label {
            display: inline-block;
            color: var(--gold-light);
            font-weight: 600;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 8px;
        }

        .faq-section .section-heading {
            font-family: var(--font-heading);
            font-weight: 900;
            font-size: 2rem;
            color: var(--white-warm);
            margin-bottom: 32px;
            letter-spacing: -0.4px;
        }

        .faq-accordion-item {
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            background: rgba(255, 255, 255, 0.025);
            overflow: hidden;
        }

        .faq-accordion-btn {
            width: 100%;
            background: transparent;
            color: var(--white-warm);
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            border: none;
            transition: all var(--transition-fast);
        }

        .faq-accordion-btn:hover {
            background: rgba(255, 215, 0, 0.04);
            color: var(--gold-pure);
        }

        .faq-accordion-btn .faq-icon {
            font-size: 0.75rem;
            color: var(--gold-muted);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }

        .faq-accordion-btn[aria-expanded="true"] .faq-icon {
            transform: rotate(180deg);
            color: var(--gold-pure);
        }

        .faq-accordion-body {
            padding: 0 22px 18px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            text-align: left;
        }

        /* ========== RELATED / CTA STRIP ========== */
        .cta-strip {
            background: linear-gradient(180deg, #1A0003 0%, #2D0004 100%);
            padding: 48px 0 52px;
            border-top: 2px solid rgba(255, 215, 0, 0.2);
            text-align: center;
        }

        .cta-strip .cta-strip-title {
            font-family: var(--font-heading);
            font-weight: 900;
            font-size: 1.8rem;
            color: var(--white-warm);
            margin-bottom: 12px;
        }

        .cta-strip .cta-strip-desc {
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 0.98rem;
        }

        .btn-cta-strip {
            display: inline-block;
            background: linear-gradient(135deg, var(--gold-pure) 0%, #E5A800 100%);
            color: #2D0004;
            padding: 14px 40px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.35);
            transition: all var(--transition-smooth);
            letter-spacing: -0.2px;
        }

        .btn-cta-strip:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(255, 215, 0, 0.5);
            color: #2D0004;
        }

        .btn-cta-strip:active {
            transform: translateY(0);
            box-shadow: 0 3px 12px rgba(255, 215, 0, 0.25);
        }

        /* ========== FOOTER ========== */
        .footer-site {
            background: #080404;
            padding: 52px 0 28px;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            color: var(--text-muted);
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--gold-pure);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.65;
            margin-bottom: 16px;
            color: var(--text-soft);
            text-align: left;
        }

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

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(255, 215, 0, 0.08);
            color: var(--gold-light);
            padding: 6px 14px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            border: 1px solid rgba(255, 215, 0, 0.2);
        }

        .footer-links-title {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--white-warm);
            margin-bottom: 14px;
            letter-spacing: 0.2px;
            text-transform: uppercase;
            font-size: 0.78rem;
        }

        .footer-links-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links-list a {
            color: var(--text-soft);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            text-align: left;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.12);
            margin-top: 32px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-soft);
        }

        /* ========== FAB ========== */
        .fab-floating {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 999;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #1A0003 0%, #0B0000 100%);
            border: 2.5px solid #FFD700;
            box-shadow: 0 0 22px rgba(255, 215, 0, 0.35), 0 4px 16px rgba(0, 0, 0, 0.6);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.75;
            transition: all var(--transition-smooth);
            animation: fab-float 2.8s ease-in-out infinite;
            text-decoration: none;
        }

        .fab-floating::after {
            content: '';
            position: absolute;
            top: -3px;
            right: -3px;
            width: 12px;
            height: 12px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #FFD700;
            animation: fab-blink 1.3s ease-in-out infinite;
        }

        @keyframes fab-float {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-7px);
            }
        }

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

        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.12) translateY(-4px);
            box-shadow: 0 0 32px rgba(255, 215, 0, 0.55), 0 8px 28px rgba(0, 0, 0, 0.7);
            border-color: #FFE44D;
            animation: none;
        }

        .fab-floating:active {
            transform: scale(0.94) translateY(2px);
            box-shadow: 0 0 14px rgba(255, 215, 0, 0.25);
            transition: all 0.1s ease;
        }

        .fab-floating .fab-icon {
            color: #FFD700;
            font-size: 1.3rem;
            position: relative;
            z-index: 1;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-hero-title {
                font-size: 1.9rem;
            }
            .article-content-wrap {
                font-size: 1rem;
                padding: 0 8px;
            }
            .container-custom {
                padding-left: 18px;
                padding-right: 18px;
            }
        }

        @media (max-width: 768px) {
            .navbar-brand-custom {
                font-size: 1rem;
            }
            .article-hero {
                min-height: 240px;
            }
            .article-hero .container-custom {
                padding-top: 40px;
                padding-bottom: 32px;
            }
            .article-hero-title {
                font-size: 1.5rem;
                letter-spacing: -0.3px;
            }
            .article-content-wrap {
                font-size: 0.95rem;
                line-height: 1.7;
            }
            .article-content-wrap h2 {
                font-size: 1.35rem;
            }
            .article-content-wrap h3 {
                font-size: 1.15rem;
            }
            .article-inline-cta {
                padding: 24px 20px;
                margin: 28px 0;
            }
            .cta-strip .cta-strip-title {
                font-size: 1.4rem;
            }
            .faq-section .section-heading {
                font-size: 1.5rem;
            }
            .fab-floating {
                width: 46px;
                height: 46px;
                left: 14px;
                bottom: 70px;
            }
            .fab-floating .fab-icon {
                font-size: 1.1rem;
            }
            .nav-actions-desktop {
                display: none !important;
            }
            .nav-actions-mobile {
                display: flex !important;
            }
        }

        @media (max-width: 520px) {
            .article-hero-title {
                font-size: 1.3rem;
            }
            .article-meta-row {
                gap: 10px;
            }
            .article-meta-tag {
                font-size: 0.72rem;
                padding: 4px 10px;
            }
            .article-meta-date {
                font-size: 0.72rem;
            }
            .article-content-wrap {
                font-size: 0.9rem;
            }
            .btn-cta-gold {
                padding: 10px 22px;
                font-size: 0.88rem;
                width: 100%;
                text-align: center;
            }
            .btn-cta-strip {
                padding: 12px 28px;
                font-size: 0.9rem;
                width: 90%;
                text-align: center;
            }
            .footer-site {
                padding: 36px 0 20px;
            }
            .faq-accordion-btn {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-accordion-body {
                padding: 0 16px 14px;
                font-size: 0.85rem;
            }
        }

        @media (min-width: 769px) {
            .nav-actions-mobile {
                display: none !important;
            }
            .nav-actions-desktop {
                display: flex !important;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep-jade: #0A2E1C;
            --bg-forest: #123E25;
            --bg-card: #0F3522;
            --bg-darker: #072014;
            --bg-input: #0B2819;
            --accent-gold: #FFD700;
            --accent-gold-light: #FFE566;
            --accent-gold-dark: #C5A000;
            --accent-red: #D32F2F;
            --accent-red-light: #EF5350;
            --text-white: #FFFFFF;
            --text-pale-mint: #D1F2EB;
            --text-muted: #9AB5A8;
            --text-gold: #FEF08A;
            --border-gold: #FFD700;
            --border-subtle: rgba(255, 215, 0, 0.25);
            --border-card: rgba(255, 215, 0, 0.18);
            --shadow-gold: 0 4px 24px rgba(255, 215, 0, 0.15);
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 30px rgba(255, 215, 0, 0.12);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 22px;
            --radius-full: 50px;
            --font-heading: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--nav-height);
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-deep-jade);
            color: var(--text-white);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image:
                radial-gradient(ellipse at 20% 15%, rgba(255, 215, 0, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 70%, rgba(210, 47, 47, 0.05) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 40%, rgba(18, 62, 37, 0.7) 0%, var(--bg-deep-jade) 100%);
            background-attachment: fixed;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
            width: 100%;
        }

        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-gold-light);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }
        button:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
            color: var(--text-white);
        }
        h1 {
            font-size: 2.6rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.45rem;
        }
        h4 {
            font-size: 1.15rem;
        }

        p {
            margin-bottom: 1rem;
            color: var(--text-pale-mint);
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.22);
            border-radius: var(--radius-full);
            padding: 5px 14px;
            margin-bottom: 12px;
        }

        .text-gold {
            color: var(--accent-gold) !important;
        }
        .text-mint {
            color: var(--text-pale-mint) !important;
        }
        .text-muted-custom {
            color: var(--text-muted) !important;
        }

        /* ===== NAVBAR ===== */
        .navbar-site {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            box-shadow: 0 1px 20px rgba(0, 0, 0, 0.3);
            padding: 0;
            min-height: var(--nav-height);
        }
        .navbar-site .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding-top: 8px;
            padding-bottom: 8px;
            min-height: var(--nav-height);
        }
        .navbar-brand-custom {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--accent-gold) !important;
            letter-spacing: -0.01em;
            white-space: nowrap;
            line-height: 1.2;
            max-width: 300px;
            text-decoration: none !important;
        }
        .navbar-brand-custom:hover {
            color: var(--accent-gold-light) !important;
            text-decoration: none !important;
        }
        .nav-actions-desktop {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-nav {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            gap: 4px;
        }
        .nav-item {
            margin: 0;
        }
        .nav-link {
            color: var(--text-pale-mint) !important;
            font-weight: 600;
            font-size: 0.92rem;
            padding: 8px 15px !important;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            text-decoration: none !important;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--accent-gold) !important;
            background: rgba(255, 215, 0, 0.07);
            text-decoration: none !important;
        }
        .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(255, 215, 0, 0.13);
            font-weight: 700;
        }
        .btn-nav-login {
            background: transparent;
            color: var(--text-white);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-full);
            padding: 8px 20px;
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
        }
        .btn-nav-signup {
            background: var(--accent-gold);
            color: #0A2E1C;
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-full);
            padding: 8px 20px;
            font-weight: 700;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-signup:hover {
            background: var(--accent-gold-light);
            border-color: var(--accent-gold-light);
            color: #0A2E1C;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.35);
        }
        .nav-actions-mobile {
            display: flex;
            gap: 6px;
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 215, 0, 0.35);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            background: rgba(10, 46, 28, 0.8);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,215,0,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
        }
        #mobileNav {
            width: 100%;
        }
        #mobileNav .navbar-nav {
            flex-direction: column;
            padding: 10px 0;
            gap: 2px;
            border-top: 1px solid var(--border-subtle);
            margin-top: 6px;
        }
        #mobileNav .nav-link {
            padding: 10px 16px !important;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
        }

        /* ===== HERO ===== */
        .hero-category {
            position: relative;
            padding: 90px 0 80px;
            background: linear-gradient(180deg, rgba(7, 32, 20, 0.85) 0%, rgba(10, 46, 28, 0.9) 40%, var(--bg-deep-jade) 100%),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            background-blend-mode: overlay;
            text-align: center;
            border-bottom: 1px solid var(--border-subtle);
        }
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg-deep-jade), transparent);
            pointer-events: none;
            z-index: 1;
        }
        .hero-category .container-custom {
            position: relative;
            z-index: 2;
        }
        .hero-category h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
            text-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-category .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-pale-mint);
            max-width: 650px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .hero-category .hero-cta-row {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            background: var(--accent-gold);
            color: #0A2E1C;
            border: none;
            border-radius: var(--radius-full);
            padding: 13px 32px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            text-decoration: none !important;
            display: inline-block;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.25);
        }
        .btn-hero-primary:hover {
            background: var(--accent-gold-light);
            box-shadow: 0 6px 30px rgba(255, 215, 0, 0.45);
            transform: translateY(-2px);
            color: #0A2E1C;
            text-decoration: none !important;
        }
        .btn-hero-outline {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255, 215, 0, 0.5);
            border-radius: var(--radius-full);
            padding: 13px 32px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            text-decoration: none !important;
            display: inline-block;
        }
        .btn-hero-outline:hover {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
            color: var(--accent-gold);
            text-decoration: none !important;
            box-shadow: 0 0 18px rgba(255, 215, 0, 0.2);
        }

        /* ===== SECTIONS ===== */
        .section-padding {
            padding: 70px 0;
        }
        .section-padding-sm {
            padding: 50px 0;
        }
        .section-header-left {
            margin-bottom: 40px;
        }
        .section-header-left h2 {
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .section-header-left .section-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 650px;
        }

        /* ===== PAIN POINTS ===== */
        .pain-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            position: relative;
            height: 100%;
        }
        .pain-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }
        .pain-card .pain-icon {
            font-size: 2rem;
            color: var(--accent-red-light);
            margin-bottom: 14px;
        }
        .pain-card h4 {
            color: var(--text-white);
            margin-bottom: 8px;
            font-size: 1.1rem;
        }
        .pain-card p {
            color: var(--text-muted);
            font-size: 0.93rem;
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== STEPS / PROCESS ===== */
        .step-block {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            margin-bottom: 28px;
            padding: 20px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border-left: 4px solid var(--accent-gold);
            transition: all var(--transition-smooth);
        }
        .step-block:hover {
            border-left-color: var(--accent-gold-light);
            box-shadow: var(--shadow-gold);
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }
        .step-content h4 {
            color: var(--text-white);
            margin-bottom: 4px;
        }
        .step-content p {
            color: var(--text-muted);
            margin-bottom: 0;
            font-size: 0.95rem;
        }

        /* ===== BENEFITS ===== */
        .benefit-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: left;
            height: 100%;
            transition: all var(--transition-smooth);
        }
        .benefit-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        .benefit-card .benefit-icon {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .benefit-card h4 {
            color: var(--text-white);
            margin-bottom: 6px;
        }
        .benefit-card p {
            color: var(--text-muted);
            font-size: 0.93rem;
            margin-bottom: 0;
        }

        /* ===== TESTIMONIALS ===== */
        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            position: relative;
            height: 100%;
            transition: all var(--transition-smooth);
        }
        .testimonial-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        .testimonial-card .quote-icon {
            font-size: 2.5rem;
            color: var(--accent-gold);
            opacity: 0.5;
            margin-bottom: 8px;
            display: block;
        }
        .testimonial-card .testimonial-text {
            color: var(--text-pale-mint);
            font-style: italic;
            font-size: 0.98rem;
            margin-bottom: 14px;
            line-height: 1.7;
        }
        .testimonial-card .testimonial-author {
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 0.9rem;
        }
        .testimonial-card .testimonial-role {
            color: var(--text-muted);
            font-size: 0.82rem;
        }

        /* ===== FAQ ===== */
        .faq-section-bg {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .accordion-faq .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
        }
        .accordion-faq .accordion-header button {
            background: var(--bg-card);
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .accordion-faq .accordion-header button:not(.collapsed) {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.05);
        }
        .accordion-faq .accordion-header button:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.15);
            border-color: var(--accent-gold);
        }
        .accordion-faq .accordion-header button::after {
            filter: brightness(0) invert(1);
            opacity: 0.7;
        }
        .accordion-faq .accordion-body {
            background: var(--bg-card);
            color: var(--text-pale-mint);
            padding: 10px 20px 20px;
            font-size: 0.95rem;
            line-height: 1.7;
            border-top: 1px solid var(--border-subtle);
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(18, 62, 37, 0.95) 0%, rgba(10, 46, 28, 0.98) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            color: var(--accent-gold);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: var(--text-pale-mint);
            max-width: 550px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
        }
        .btn-cta-gold {
            background: var(--accent-gold);
            color: #0A2E1C;
            border: none;
            border-radius: var(--radius-full);
            padding: 14px 36px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-smooth);
            text-decoration: none !important;
            display: inline-block;
            box-shadow: 0 4px 24px rgba(255, 215, 0, 0.3);
            position: relative;
            z-index: 1;
        }
        .btn-cta-gold:hover {
            background: var(--accent-gold-light);
            box-shadow: 0 6px 34px rgba(255, 215, 0, 0.5);
            transform: translateY(-3px);
            color: #0A2E1C;
            text-decoration: none !important;
        }

        /* ===== FAB ===== */
        .fab-floating {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 1055;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, #1C1C1E, #0B0B0B);
            border: 3px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-smooth);
            animation: fab-breathe 3s ease-in-out infinite;
            text-decoration: none !important;
            color: var(--accent-gold);
            font-size: 1.4rem;
        }
        .fab-floating:hover {
            transform: scale(1.12);
            box-shadow: 0 6px 30px rgba(255, 215, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            animation: none;
            opacity: 1;
        }
        .fab-floating:active {
            transform: scale(0.94);
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.3);
        }
        .fab-notification-dot {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid #0B0B0B;
            animation: dot-blink 1.8s ease-in-out infinite;
        }
        @keyframes fab-breathe {
            0%, 100% {
                transform: translateY(0);
                opacity: 0.78;
            }
            50% {
                transform: translateY(-7px);
                opacity: 1;
            }
        }
        @keyframes dot-blink {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        /* ===== FOOTER ===== */
        .footer-site {
            background: var(--bg-darker);
            border-top: 2px solid var(--border-subtle);
            padding: 50px 0 20px;
            margin-top: 20px;
        }
        .footer-brand {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--accent-gold);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .footer-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.22);
            color: var(--accent-gold);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: var(--radius-full);
        }
        .footer-links-title {
            font-weight: 700;
            color: var(--text-white);
            font-size: 0.95rem;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-links-list {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .footer-links-list a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-links-list a:hover {
            color: var(--accent-gold);
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            margin-top: 30px;
            padding-top: 18px;
            text-align: center;
        }
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.82rem;
            margin-bottom: 0;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 991px) {
            .nav-actions-desktop {
                display: none !important;
            }
            .navbar-brand-custom {
                font-size: 0.95rem;
                max-width: 220px;
            }
            .hero-category {
                padding: 60px 0 50px;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-category .hero-subtitle {
                font-size: 1rem;
            }
            .section-padding {
                padding: 44px 0;
            }
            .section-padding-sm {
                padding: 32px 0;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .step-block {
                flex-direction: column;
                gap: 10px;
            }
            .cta-section {
                padding: 34px 20px;
            }
        }
        @media (max-width: 767px) {
            .hero-category h1 {
                font-size: 1.7rem;
            }
            .hero-category .hero-subtitle {
                font-size: 0.93rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
            .fab-floating {
                width: 48px;
                height: 48px;
                left: 14px;
                bottom: 80px;
                font-size: 1.2rem;
            }
            .section-padding {
                padding: 34px 0;
            }
            .section-padding-sm {
                padding: 24px 0;
            }
            .pain-card,
            .benefit-card,
            .testimonial-card {
                padding: 18px 16px;
            }
            .step-block {
                padding: 16px;
            }
            .footer-site {
                padding: 34px 0 16px;
            }
        }
        @media (max-width: 520px) {
            .hero-category {
                padding: 44px 0 36px;
            }
            .hero-category h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .container-custom {
                padding-left: 14px;
                padding-right: 14px;
            }
            .navbar-brand-custom {
                font-size: 0.82rem;
                max-width: 170px;
            }
            .nav-actions-mobile .btn-nav-login,
            .nav-actions-mobile .btn-nav-signup {
                padding: 5px 10px;
                font-size: 0.72rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                text-align: center;
            }
            .hero-category .hero-cta-row {
                flex-direction: column;
                align-items: center;
            }
        }