/* roulang page: index */
:root {
            --jade-900: #0A2E1C;
            --jade-800: #123E25;
            --jade-700: #0F462B;
            --jade-dark: #07190F;
            --gold: #FFD700;
            --gold-2: #FFC700;
            --red: #D32F2F;
            --red-dark: #B71C1C;
            --white: #FFFFFF;
            --mint: #D1F2EB;
            --mint-soft: #B9E9D8;
            --muted: #A7BFA8;
            --muted-2: #7FA38A;
            --border: rgba(255, 215, 0, 0.25);
            --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.25);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.45);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --transition: all .25s ease;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            background-color: var(--jade-900);
            color: var(--white);
            line-height: 1.6;
            padding-top: 0;
            padding-bottom: 70px;
            min-height: 100vh;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--white);
        }
        a {
            color: var(--gold);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--gold-2);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1220px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: 80px 0;
            position: relative;
        }
        .section-alt {
            background-color: var(--jade-800);
        }
        .section-gradient {
            background: radial-gradient(circle at 20% 20%, rgba(255,215,0,.06), transparent 45%), var(--jade-900);
        }
        .eyebrow {
            display: inline-block;
            font-size: .75rem;
            font-weight: 700;
            letter-spacing: .12em;
            text-transform: uppercase;
            color: var(--gold);
            background: rgba(255, 215, 0, 0.1);
            padding: 6px 14px;
            border: 1px solid var(--border);
            border-radius: 50px;
            margin-bottom: 18px;
        }
        .heading-xl {
            font-size: 2.7rem;
            font-weight: 800;
            margin-bottom: 18px;
            line-height: 1.15;
        }
        .heading-lg {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .heading-md {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .lead {
            font-size: 1.1rem;
            color: var(--mint);
            max-width: 760px;
        }
        .text-muted-2 {
            color: var(--muted) !important;
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--gold), var(--gold-2));
            color: #1a1a1a;
            font-weight: 700;
            border: none;
            padding: 12px 24px;
            border-radius: 50px;
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
            letter-spacing: .02em;
        }
        .btn-gold:hover, .btn-gold:focus {
            background: linear-gradient(135deg, #ffe14d, #ffd700);
            color: #000;
            box-shadow: 0 6px 25px rgba(255, 215, 0, 0.45);
            transform: translateY(-2px);
        }
        .btn-outline-green {
            background: transparent;
            color: var(--gold);
            border: 1px solid var(--gold);
            font-weight: 600;
            padding: 11px 24px;
            border-radius: 50px;
            transition: var(--transition);
        }
        .btn-outline-green:hover, .btn-outline-green:focus {
            background: rgba(255, 215, 0, 0.1);
            color: var(--gold);
            border-color: var(--gold-2);
            transform: translateY(-2px);
        }
        .btn-red {
            background: linear-gradient(135deg, var(--red), var(--red-dark));
            color: #fff;
            border: none;
            font-weight: 700;
            padding: 12px 24px;
            border-radius: 50px;
            box-shadow: 0 4px 15px rgba(211,47,47,.3);
            transition: var(--transition);
        }
        .btn-red:hover {
            background: linear-gradient(135deg, #e53935, #b71c1c);
            color: #fff;
            transform: translateY(-2px);
        }
        .badge-hot {
            background: var(--red);
            color: #fff;
            font-weight: 700;
            font-size: .7rem;
            letter-spacing: .08em;
            padding: 4px 10px;
            border-radius: 12px;
            text-transform: uppercase;
        }
        .badge-new {
            background: var(--gold);
            color: #1a1a1a;
            font-weight: 700;
            font-size: .7rem;
            letter-spacing: .08em;
            padding: 4px 10px;
            border-radius: 12px;
            text-transform: uppercase;
        }
        .card-game {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .card-game:hover {
            transform: translateY(-8px);
            border-color: rgba(255, 215, 0, 0.6);
            box-shadow: var(--shadow-lg);
        }
        .card-game .card-image {
            position: relative;
        }
        .card-game .card-image img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .card-game .card-image .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(7,25,15,.85));
        }
        .card-game .card-body {
            padding: 18px 20px 20px;
        }
        .card-game .card-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .card-game p {
            color: var(--mint);
            font-size: .95rem;
        }
        .timeline {
            position: relative;
            padding-left: 32px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--gold), rgba(255,215,0,.2));
        }
        .timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding-left: 16px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 8px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--gold);
            border: 3px solid var(--jade-800);
            box-shadow: 0 0 0 3px rgba(255,215,0,.2);
        }
        .timeline-item .time {
            color: var(--gold);
            font-weight: 700;
            font-size: .85rem;
            letter-spacing: .1em;
            text-transform: uppercase;
        }
        .timeline-item h4 {
            font-size: 1.2rem;
            margin-bottom: 6px;
        }
        .timeline-item p {
            color: var(--mint);
            margin-bottom: 0;
        }
        .news-list a {
            color: var(--white);
            font-weight: 700;
            font-size: 1.15rem;
            transition: var(--transition);
        }
        .news-list a:hover {
            color: var(--gold);
        }
        .news-meta {
            color: var(--muted-2);
            font-size: .85rem;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .payment-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,.08);
            border: 1px solid rgba(255,255,255,.2);
            padding: 8px 16px;
            border-radius: 40px;
            color: var(--mint);
            font-weight: 600;
            font-size: .9rem;
        }
        .payment-badge i {
            color: var(--gold);
        }
        .footer {
            background: var(--jade-dark);
            padding: 50px 0 30px;
            border-top: 1px solid rgba(255,215,0,.15);
        }
        .footer .brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.3;
        }
        .footer h6 {
            color: var(--gold);
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: .05em;
        }
        .footer ul {
            list-style: none;
            padding: 0;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: var(--mint);
            font-size: .95rem;
        }
        .footer ul li a:hover {
            color: var(--gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.08);
            margin-top: 30px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 15px;
            font-size: .85rem;
            color: var(--muted-2);
        }
        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(7,25,15,.92);
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(255,215,0,.3);
            padding: 12px 20px;
            z-index: 1020;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .fixed-cta-bar p {
            color: var(--mint);
            margin: 0;
            font-weight: 600;
        }
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1030;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #1c1c1e, #0b0b0b);
            border: 2px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.5rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: .7;
            animation: fabFloat 3s ease-in-out infinite;
            transition: var(--transition);
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.45);
        }
        .fab-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--red);
            border-radius: 50%;
            animation: blink 1.2s ease infinite;
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: .3; }
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @media (max-width: 991.98px) {
            .heading-xl { font-size: 2rem; }
            .heading-lg { font-size: 1.8rem; }
            .heading-md { font-size: 1.4rem; }
            .section { padding: 56px 0; }
        }
        @media (max-width: 767.98px) {
            .container { padding-left: 20px; padding-right: 20px; }
            .heading-xl { font-size: 1.7rem; }
            .heading-lg { font-size: 1.5rem; }
            .card-game .card-image img { height: 150px; }
            .timeline { padding-left: 24px; }
            .timeline::before { left: 6px; }
            .timeline-item { padding-left: 8px; }
            .timeline-item::before { left: -22px; }
            .fixed-cta-bar { flex-direction: column; text-align: center; }
            .fab-left { left: 12px; bottom: 140px; }
        }
        @media (max-width: 520px) {
            .heading-xl { font-size: 1.5rem; }
            .lead { font-size: 1rem; }
            .btn-gold, .btn-outline-green, .btn-red { width: 100%; text-align: center; margin-bottom: 8px; }
            .hero-cta-group { flex-direction: column; }
        }

/* roulang page: article */
:root {
            --primary: #0A2E1C;
            --primary-light: #123E25;
            --primary-mid: #1a4a30;
            --gold: #FFD700;
            --gold-soft: #F0E68C;
            --gold-dark: #C5A059;
            --red: #D32F2F;
            --red-bright: #FF3B3B;
            --white: #ffffff;
            --mint: #D1F2EB;
            --text-main: #ffffff;
            --text-secondary: rgba(255, 255, 255, 0.78);
            --text-muted: rgba(209, 242, 235, 0.65);
            --border-gold: rgba(255, 215, 0, 0.22);
            --border-gold-strong: rgba(255, 215, 0, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-gold-hover: 0 8px 36px rgba(255, 215, 0, 0.4);
            --font-sans: 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::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-sans);
            background: var(--primary);
            color: var(--text-main);
            line-height: 1.6;
            font-size: 1rem;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        a:hover,
        a:focus {
            color: var(--gold-soft);
            text-decoration: none;
        }

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

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

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(7, 25, 15, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-gold);
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
            background: rgba(7, 25, 15, 0.95);
        }

        .navbar-brand {
            color: var(--gold) !important;
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: 0.04em;
            transition: var(--transition);
            white-space: nowrap;
        }

        .navbar-brand:hover {
            color: var(--gold-soft) !important;
            text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
        }

        .navbar-dark .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.6rem 1.1rem;
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
        }

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

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

        .navbar-dark .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0.2rem;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .btn-outline-light-custom {
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: 50px;
            color: var(--white);
            font-weight: 600;
            font-size: 0.875rem;
            padding: 0.5rem 1.25rem;
            transition: var(--transition);
            background: transparent;
        }

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

        .btn-gold {
            background: linear-gradient(145deg, #FFD700, #F0B800);
            color: #1a1a00;
            font-weight: 700;
            border-radius: 50px;
            padding: 0.55rem 1.4rem;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
            box-shadow: var(--shadow-gold);
            font-size: 0.875rem;
            letter-spacing: 0.02em;
        }

        .btn-gold:hover,
        .btn-gold:focus {
            background: linear-gradient(145deg, #FFE033, #FFC700);
            color: #000;
            box-shadow: var(--shadow-gold-hover);
            transform: translateY(-2px);
        }

        .btn-gold:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.3);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: 8px;
            padding: 0.4rem 0.7rem;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
            border-color: var(--gold);
        }

        .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%28255, 215, 0, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (min-width: 992px) {
            .navbar-nav {
                gap: 0.25rem;
            }
            .navbar-brand {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(7, 25, 15, 0.98);
                border-radius: var(--radius-md);
                padding: 1rem;
                margin-top: 0.5rem;
                border: 1px solid var(--border-gold);
            }
            .navbar-dark .navbar-nav .nav-link {
                padding: 0.7rem 1rem;
            }
            .navbar-dark .navbar-nav .nav-link.active::after {
                display: none;
            }
            .d-flex.align-items-center.gap-2 {
                margin-top: 0.75rem;
                gap: 0.75rem !important;
            }
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 1.5rem 0 0.5rem;
        }
        .breadcrumb {
            margin-bottom: 0;
            font-size: 0.85rem;
            flex-wrap: wrap;
        }
        .breadcrumb-item a {
            color: var(--mint);
            font-weight: 500;
        }
        .breadcrumb-item a:hover {
            color: var(--gold);
        }
        .breadcrumb-item.active {
            color: var(--gold);
            font-weight: 600;
        }
        .breadcrumb-item+.breadcrumb-item::before {
            color: var(--text-muted);
            content: "›";
            font-size: 1.1rem;
            line-height: 1;
        }

        /* Hero Coupon Wall */
        .coupon-hero {
            padding: 2.5rem 0 1.5rem;
            position: relative;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            border-bottom: 1px solid var(--border-gold);
            position: relative;
        }

        .coupon-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.92) 0%, rgba(18, 62, 37, 0.85) 55%, rgba(7, 25, 15, 0.93) 100%);
            z-index: 1;
        }

        .coupon-hero .container {
            position: relative;
            z-index: 2;
        }

        .coupon-grid {
            display: grid;
            grid-template-columns: 1fr 1.3fr;
            gap: 1.75rem;
            align-items: stretch;
        }

        .coupon-main {
            background: linear-gradient(160deg, rgba(255, 215, 0, 0.14), rgba(255, 215, 0, 0.04));
            border: 2px solid var(--border-gold-strong);
            border-radius: var(--radius-lg);
            padding: 2.25rem 2rem;
            text-align: center;
            position: relative;
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 320px;
        }

        .coupon-main:hover {
            box-shadow: var(--shadow-gold-hover);
            border-color: var(--gold);
            transform: translateY(-4px);
        }

        .coupon-badge {
            display: inline-block;
            background: var(--red);
            color: var(--white);
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            padding: 0.3rem 1rem;
            border-radius: 50px;
            text-transform: uppercase;
            margin-bottom: 1.25rem;
            align-self: center;
            animation: badge-pulse 2.5s ease-in-out infinite;
        }

        @keyframes badge-pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.75; }
        }

        .coupon-code {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 0.12em;
            color: var(--gold);
            text-shadow: 0 0 30px rgba(255, 215, 0, 0.45);
            margin-bottom: 0.75rem;
            word-break: break-all;
        }

        .coupon-desc {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 0.4rem;
        }

        .coupon-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--gold-soft);
            margin-bottom: 1.5rem;
        }

        .btn-coupon {
            display: inline-block;
            background: linear-gradient(145deg, #FFD700, #F0B800);
            color: #1a1a00;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 0.9rem 2.5rem;
            border-radius: 50px;
            border: 2px solid rgba(255, 255, 255, 0.35);
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
            letter-spacing: 0.04em;
            margin-bottom: 1rem;
            cursor: pointer;
        }

        .btn-coupon:hover {
            background: linear-gradient(145deg, #FFE033, #FFC700);
            box-shadow: var(--shadow-gold-hover);
            transform: translateY(-3px);
            color: #000;
        }

        .btn-coupon:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.3);
        }

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

        .coupon-side {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .coupon-mini {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: var(--transition);
            flex: 1;
            min-height: 80px;
        }

        .coupon-mini:hover {
            border-color: var(--gold);
            background: rgba(255, 215, 0, 0.08);
            box-shadow: var(--shadow-gold);
            transform: translateX(4px);
        }

        .coupon-mini-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--mint);
        }
        .coupon-mini-code {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.06em;
        }

        .btn-mini {
            background: rgba(255, 215, 0, 0.15);
            color: var(--gold);
            font-weight: 600;
            font-size: 0.8rem;
            padding: 0.45rem 1.1rem;
            border-radius: 50px;
            border: 1px solid var(--border-gold-strong);
            transition: var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-mini:hover {
            background: var(--gold);
            color: #1a1a00;
            border-color: var(--gold);
        }

        /* Article Section */
        .article-section {
            padding: 2.75rem 0 3.5rem;
        }

        .article-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2.25rem;
            box-shadow: var(--shadow-sm);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1rem;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .article-meta-item i {
            color: var(--gold);
        }

        .article-title {
            font-size: 1.9rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--white);
            margin-bottom: 1.25rem;
            letter-spacing: -0.01em;
        }

        .article-summary {
            font-size: 1.08rem;
            color: var(--text-secondary);
            line-height: 1.7;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--border-gold);
            margin-bottom: 1.75rem;
        }

        .article-feature-image {
            margin-bottom: 2rem;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-gold);
        }

        .article-feature-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: var(--transition);
        }

        .article-feature-image:hover img {
            transform: scale(1.015);
        }

        .article-body {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .article-body h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--gold);
            margin-top: 2rem;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }

        .article-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--mint);
            margin-top: 1.5rem;
            margin-bottom: 0.75rem;
        }

        .article-body p {
            margin-bottom: 1.1rem;
        }

        .article-body ul,
        .article-body ol {
            margin: 1rem 0 1.5rem;
            padding-left: 1.5rem;
        }

        .article-body ul li {
            list-style-type: disc;
            margin-bottom: 0.5rem;
            color: var(--text-secondary);
        }

        .article-body ol li {
            list-style-type: decimal;
            margin-bottom: 0.5rem;
            color: var(--text-secondary);
        }

        .article-body a {
            color: var(--gold);
            font-weight: 500;
            border-bottom: 1px dashed var(--gold);
        }

        .article-body a:hover {
            color: var(--gold-soft);
            border-bottom-color: var(--gold-soft);
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
        }

        .article-body blockquote {
            border-left: 3px solid var(--gold);
            background: rgba(255, 215, 0, 0.07);
            padding: 1.25rem 1.5rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 1.5rem 0;
            font-style: italic;
            color: var(--mint);
        }

        .article-not-found {
            text-align: center;
            padding: 3rem 1rem;
        }

        .article-not-found i {
            font-size: 3.5rem;
            color: var(--gold);
            opacity: 0.6;
            margin-bottom: 1.25rem;
        }

        .article-not-found p {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
        }

        /* CTA Band */
        .cta-band {
            background: linear-gradient(145deg, rgba(255, 215, 0, 0.12), rgba(255, 215, 0, 0.03));
            border: 1px solid var(--border-gold-strong);
            border-radius: var(--radius-lg);
            padding: 2.75rem 2rem;
            margin-top: 2.5rem;
            text-align: center;
            box-shadow: var(--shadow-gold);
        }

        .cta-band h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--gold);
            margin-bottom: 0.75rem;
        }

        .cta-band p {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 1.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-band .btn-gold {
            font-size: 1rem;
            padding: 0.85rem 2.2rem;
        }

        /* FAQ Section */
        .faq-section {
            padding: 2.5rem 0 3rem;
        }

        .faq-section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 1.75rem;
            letter-spacing: -0.01em;
        }

        .accordion-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md) !important;
            margin-bottom: 1rem;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .accordion-button {
            background: transparent !important;
            color: var(--white) !important;
            font-weight: 600;
            font-size: 1rem;
            padding: 1.2rem 1.5rem;
            border-radius: var(--radius-md) !important;
            box-shadow: none !important;
            transition: var(--transition);
        }

        .accordion-button:not(.collapsed) {
            background: rgba(255, 215, 0, 0.07) !important;
            color: var(--gold) !important;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2) !important;
            border-color: var(--gold) !important;
        }

        .accordion-button::after {
            filter: invert(70%) sepia(90%) saturate(500%) hue-rotate(5deg);
        }

        .accordion-body {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            padding: 1rem 1.5rem 1.5rem;
        }

        /* FAB */
        .fab-royal {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1080;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #C5A059, #8B6914, #6B4E0E);
            border: 3px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            animation: fab-breathe 3s ease-in-out infinite;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            color: var(--white);
            font-size: 1.3rem;
        }

        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 6px 32px rgba(255, 215, 0, 0.5);
            color: var(--gold);
        }

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

        .fab-royal .notification-dot {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            background: var(--red-bright);
            border-radius: 50%;
            border: 2px solid var(--gold);
            animation: dot-blink 2s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.7; transform: translateY(0); }
            50% { opacity: 0.9; transform: translateY(-4px); }
        }

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

        /* Footer */
        .footer {
            background: #07190F;
            border-top: 2px solid var(--border-gold);
            padding: 3.5rem 0 2rem;
            margin-top: 1rem;
        }

        .footer .brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.03em;
        }

        .footer .text-muted-2 {
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer h6 {
            color: var(--gold);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.04em;
        }

        .footer ul li {
            margin-bottom: 0.6rem;
        }

        .footer ul li a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .payment-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--mint);
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            padding: 0.4rem 0.9rem;
            letter-spacing: 0.03em;
        }

        .payment-badge i {
            color: var(--gold);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-bottom .text-gold {
            color: var(--gold);
            font-weight: 600;
        }

        .footer-bottom .text-gold:hover {
            color: var(--gold-soft);
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .coupon-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .coupon-main {
                min-height: auto;
                padding: 1.75rem 1.5rem;
            }
            .coupon-code {
                font-size: 1.7rem;
            }
            .coupon-value {
                font-size: 1.2rem;
            }
            .coupon-side {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .coupon-mini {
                flex: 1 1 45%;
                min-width: 140px;
            }
            .article-card {
                padding: 1.75rem 1.25rem;
            }
            .article-title {
                font-size: 1.5rem;
            }
            .article-summary {
                font-size: 1rem;
            }
            .cta-band {
                padding: 2rem 1.25rem;
            }
            .cta-band h3 {
                font-size: 1.25rem;
            }
            .fab-royal {
                width: 50px;
                height: 50px;
                font-size: 1.15rem;
                left: 0.75rem;
                bottom: 5rem;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .navbar-brand {
                font-size: 1.15rem;
            }
            .coupon-hero {
                padding: 1.5rem 0 1rem;
            }
            .coupon-grid {
                gap: 1rem;
            }
            .coupon-main {
                padding: 1.5rem 1rem;
                border-radius: var(--radius-md);
            }
            .coupon-code {
                font-size: 1.45rem;
                letter-spacing: 0.08em;
            }
            .coupon-desc {
                font-size: 1rem;
            }
            .coupon-value {
                font-size: 1.1rem;
            }
            .btn-coupon {
                font-size: 0.95rem;
                padding: 0.75rem 1.8rem;
            }
            .coupon-side {
                flex-direction: column;
                gap: 0.75rem;
            }
            .coupon-mini {
                flex: 1 1 auto;
                padding: 1rem 1.1rem;
            }
            .article-section {
                padding: 1.75rem 0 2.5rem;
            }
            .article-card {
                padding: 1.5rem 1rem;
                border-radius: var(--radius-md);
            }
            .article-meta {
                font-size: 0.78rem;
                gap: 0.7rem;
            }
            .article-title {
                font-size: 1.3rem;
            }
            .article-summary {
                font-size: 0.95rem;
                line-height: 1.6;
            }
            .article-body {
                font-size: 0.95rem;
            }
            .article-body h2 {
                font-size: 1.2rem;
            }
            .article-body h3 {
                font-size: 1.05rem;
            }
            .cta-band {
                padding: 1.75rem 1rem;
                margin-top: 1.75rem;
            }
            .cta-band h3 {
                font-size: 1.1rem;
            }
            .cta-band p {
                font-size: 0.9rem;
            }
            .faq-section-title {
                font-size: 1.3rem;
            }
            .accordion-button {
                font-size: 0.92rem;
                padding: 1rem 1.2rem;
            }
            .accordion-body {
                font-size: 0.88rem;
                padding: 0.8rem 1.2rem 1.2rem;
            }
            .footer {
                padding: 2.5rem 0 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .fab-royal {
                width: 46px;
                height: 46px;
                font-size: 1.05rem;
                left: 0.6rem;
                bottom: 4.5rem;
                border-width: 2px;
            }
            .fab-royal .notification-dot {
                width: 11px;
                height: 11px;
                top: -3px;
                right: -3px;
            }
        }

        @media (max-width: 400px) {
            .navbar-brand {
                font-size: 1rem;
            }
            .btn-outline-light-custom,
            .btn-gold {
                font-size: 0.75rem;
                padding: 0.4rem 0.9rem;
            }
            .coupon-code {
                font-size: 1.25rem;
                letter-spacing: 0.06em;
            }
            .coupon-value {
                font-size: 0.95rem;
            }
            .btn-coupon {
                font-size: 0.85rem;
                padding: 0.65rem 1.4rem;
            }
        }

/* roulang page: category1 */
:root {
            --gold: #FFD700;
            --gold-soft: #F0E68C;
            --gold-dark: #C5A059;
            --green-dark: #0A2E1C;
            --green-forest: #123E25;
            --green-deep: #071915;
            --red-accent: #D32F2F;
            --red-glow: #FF6B6B;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A6B8AE;
            --border-gold: rgba(255, 215, 0, 0.25);
            --border-gold-strong: rgba(255, 215, 0, 0.5);
            --shadow-gold: 0 4px 24px rgba(255, 215, 0, 0.12);
            --shadow-gold-hover: 0 8px 36px rgba(255, 215, 0, 0.22);
            --shadow-dark: 0 12px 40px rgba(0, 0, 0, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.75rem;
            --space-lg: 2.75rem;
            --space-xl: 4rem;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'Georgia', 'Times New Roman', serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-white);
            background: var(--green-deep);
            margin: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 0;
            color: var(--text-white);
        }

        h1 {
            font-size: clamp(1.9rem, 4.5vw, 3.2rem);
            font-family: var(--font-display);
            letter-spacing: 0.01em;
            font-weight: 800;
        }

        h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            letter-spacing: 0.01em;
        }

        h3 {
            font-size: clamp(1.2rem, 2vw, 1.5rem);
            font-weight: 600;
        }

        p {
            margin-bottom: 1rem;
            color: var(--text-mint);
            line-height: 1.7;
        }

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

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

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

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

        ul, ol {
            padding-left: 0;
            list-style: none;
            margin-bottom: 0;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== NAVBAR ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(7, 25, 21, 0.92) !important;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
            background: rgba(7, 25, 21, 0.98) !important;
        }

        .site-header .navbar-brand {
            font-family: var(--font-display);
            font-size: 1.35rem;
            letter-spacing: 0.02em;
            color: var(--gold) !important;
            font-weight: 800;
            white-space: nowrap;
        }

        .site-header .navbar {
            min-height: 52px;
        }

        .site-header .nav-link {
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 0.9rem;
            border-radius: 50px;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

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

        .site-header .nav-link.active {
            color: var(--gold);
            background: rgba(255, 215, 0, 0.14);
            font-weight: 600;
        }

        .site-header .navbar-toggler {
            border-color: rgba(255, 215, 0, 0.4);
            background: rgba(255, 215, 0, 0.08);
        }

        .site-header .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.3);
        }

        .btn-login {
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: 50px;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.45rem 1.1rem;
            transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: transparent;
        }

        .btn-gold {
            background: linear-gradient(135deg, #FFD700 0%, #F0C000 50%, #E0A500 100%);
            color: #0A2E1C;
            border: none;
            border-radius: 50px;
            font-weight: 700;
            padding: 0.45rem 1.25rem;
            font-size: 0.85rem;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.35);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
            color: #071915;
        }

        .btn-gold:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
        }

        /* ========== HERO / BANNER ========== */
        .category-hero {
            position: relative;
            padding-top: 120px;
            padding-bottom: 3.5rem;
            background: 
                linear-gradient(135deg, rgba(7, 25, 21, 0.88) 0%, rgba(10, 46, 28, 0.82) 40%, rgba(7, 25, 21, 0.92) 100%),
                url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
            border-bottom: 1px solid rgba(255, 215, 0, 0.25);
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.14) 0%, rgba(210, 47, 47, 0.08) 50%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(18, 62, 37, 0.7) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 1.2rem;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: rgba(255, 215, 0, 0.8);
            font-weight: 500;
        }

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

        .breadcrumb-custom .separator {
            color: rgba(255, 255, 255, 0.3);
        }

        .breadcrumb-custom .current {
            color: var(--gold);
            font-weight: 600;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(210, 47, 47, 0.2);
            border: 1px solid rgba(210, 47, 47, 0.5);
            color: var(--red-glow);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }

        .hero-tag i {
            font-size: 0.7rem;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }

        .category-hero h1 {
            color: var(--gold);
            margin-bottom: 1rem;
            max-width: 720px;
        }

        .category-hero .lead {
            font-size: 1.12rem;
            color: var(--text-mint);
            max-width: 640px;
            margin-bottom: 1.5rem;
            line-height: 1.7;
        }

        .hero-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .hero-metric-item {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .hero-metric-item .metric-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .hero-metric-item .metric-value {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-white);
            line-height: 1.2;
        }

        .hero-metric-item .metric-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.2;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-bottom: 0.5rem;
        }

        .btn-primary-gold {
            background: linear-gradient(135deg, #FFD700 0%, #F0C000 50%, #D4A000 100%);
            color: #0A2E1C;
            border: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            padding: 0.75rem 2rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }

        .btn-primary-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            color: #071915;
        }

        .btn-primary-gold:active {
            transform: translateY(-1px);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.3);
        }

        .btn-outline-light-gold {
            border: 1.5px solid rgba(255, 215, 0, 0.45);
            border-radius: 50px;
            color: var(--gold);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.7rem 1.6rem;
            transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

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

        /* ========== HERO RIGHT: WHITE PAPER CARD ========== */
        .hero-download-card {
            background: rgba(10, 46, 28, 0.75);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            backdrop-filter: blur(8px);
            box-shadow: var(--shadow-dark);
            position: relative;
        }

        .hero-download-card .download-cover {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 1.2rem;
            aspect-ratio: 16 / 10;
        }

        .hero-download-card .download-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .hero-download-card:hover .download-cover img {
            transform: scale(1.04);
        }

        .hero-download-card .download-cover .cover-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(7, 25, 21, 0.1) 30%, rgba(7, 25, 21, 0.7) 100%);
            display: flex;
            align-items: flex-end;
            padding: 1rem;
        }

        .hero-download-card .cover-overlay .cover-label {
            color: var(--gold);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .hero-download-card .download-toc {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .hero-download-card .download-toc li {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            font-size: 0.88rem;
            color: var(--text-mint);
            padding: 0.4rem 0.6rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

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

        .hero-download-card .download-toc li i {
            color: var(--gold);
            font-size: 0.7rem;
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }

        .hero-download-card .download-toc li span {
            flex: 1;
        }

        .hero-download-card .download-toc li .toc-badge {
            font-size: 0.7rem;
            background: rgba(210, 47, 47, 0.2);
            color: var(--red-glow);
            padding: 0.15rem 0.6rem;
            border-radius: 50px;
            font-weight: 600;
        }

        /* ========== SECTION GENERAL ========== */
        .section-block {
            padding: 4rem 0;
            position: relative;
        }

        .section-block.bg-dark-alt {
            background: rgba(7, 25, 21, 0.6);
        }

        .section-block.bg-forest {
            background: linear-gradient(180deg, rgba(18, 62, 37, 0.5) 0%, rgba(7, 25, 21, 0.8) 100%);
        }

        .section-header {
            margin-bottom: 2.5rem;
        }

        .section-header h2 {
            color: var(--gold);
            margin-bottom: 0.6rem;
        }

        .section-header .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 600px;
            line-height: 1.6;
        }

        .section-divider {
            width: 50px;
            height: 3px;
            background: linear-gradient(90deg, var(--gold), rgba(255, 215, 0, 0.2));
            border-radius: 4px;
            margin-bottom: 1rem;
        }

        /* ========== TRUST BAR ========== */
        .trust-bar {
            background: rgba(10, 46, 28, 0.55);
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            padding: 1.5rem 0;
        }

        .trust-bar-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1rem;
        }

        .trust-stat {
            text-align: center;
            padding: 0.8rem 1rem;
            border-radius: var(--radius-md);
            background: rgba(255, 215, 0, 0.04);
            transition: background var(--transition-fast), transform var(--transition-fast);
        }

        .trust-stat:hover {
            background: rgba(255, 215, 0, 0.08);
            transform: translateY(-2px);
        }

        .trust-stat .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--gold);
            font-family: var(--font-display);
            line-height: 1.1;
        }

        .trust-stat .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
        }

        /* ========== VALUE PROP ========== */
        .value-layout {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 3rem;
            align-items: center;
        }

        .value-content h2 {
            color: var(--gold);
            margin-bottom: 1rem;
        }

        .value-content .lead-text {
            font-size: 1.05rem;
            color: var(--text-mint);
            margin-bottom: 1.5rem;
        }

        .value-points {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
        }

        .value-point {
            display: flex;
            gap: 0.9rem;
            align-items: flex-start;
            padding: 0.8rem 1rem;
            background: rgba(255, 215, 0, 0.04);
            border-radius: var(--radius-md);
            border-left: 3px solid var(--gold);
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }

        .value-point:hover {
            background: rgba(255, 215, 0, 0.08);
            border-left-color: var(--gold-soft);
        }

        .value-point .point-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.12);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.9rem;
        }

        .value-point .point-text {
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.55;
        }

        .value-point .point-text strong {
            color: var(--text-white);
            display: block;
            margin-bottom: 0.1rem;
            font-weight: 600;
        }

        .value-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-dark);
            border: 1px solid var(--border-gold);
            position: relative;
        }

        .value-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
            transition: transform 0.6s ease;
        }

        .value-image-wrap:hover img {
            transform: scale(1.03);
        }

        .value-image-wrap .image-badge {
            position: absolute;
            bottom: 1rem;
            left: 1rem;
            background: rgba(7, 25, 21, 0.85);
            border: 1px solid var(--border-gold);
            color: var(--gold);
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            backdrop-filter: blur(6px);
        }

        /* ========== PLATFORM CARDS ========== */
        .platform-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .platform-card {
            background: rgba(10, 46, 28, 0.5);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
            position: relative;
        }

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

        .platform-card .card-image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }

        .platform-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .platform-card:hover .card-image img {
            transform: scale(1.05);
        }

        .platform-card .card-image .status-tag {
            position: absolute;
            top: 0.8rem;
            left: 0.8rem;
            background: rgba(210, 47, 47, 0.9);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.25rem 0.7rem;
            border-radius: 50px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .platform-card .card-image .status-tag.hot {
            background: rgba(210, 47, 47, 0.9);
        }

        .platform-card .card-image .status-tag.new {
            background: rgba(255, 215, 0, 0.9);
            color: #071915;
        }

        .platform-card .card-body {
            padding: 1.25rem 1.25rem 1.5rem;
        }

        .platform-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .platform-card .card-rating {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8rem;
            color: var(--gold);
            margin-bottom: 0.6rem;
        }

        .platform-card .card-rating .stars {
            letter-spacing: 0.1em;
            font-size: 0.75rem;
        }

        .platform-card .card-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 1rem;
        }

        .platform-card .code-highlight {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 215, 0, 0.1);
            border: 1px dashed rgba(255, 215, 0, 0.4);
            color: var(--gold);
            font-weight: 600;
            font-size: 0.8rem;
            padding: 0.3rem 0.8rem;
            border-radius: 50px;
            margin-bottom: 0.8rem;
        }

        .platform-card .card-action {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }

        .platform-card .card-action .btn-sm {
            font-size: 0.78rem;
            padding: 0.4rem 1rem;
        }

        /* ========== PROCESS / STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.2rem;
            counter-reset: step-counter;
        }

        .process-step {
            background: rgba(10, 46, 28, 0.45);
            border: 1px solid rgba(255, 215, 0, 0.18);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.2rem;
            position: relative;
            transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
            counter-increment: step-counter;
        }

        .process-step:hover {
            border-color: var(--border-gold-strong);
            background: rgba(10, 46, 28, 0.65);
            transform: translateY(-3px);
        }

        .process-step::before {
            content: counter(step-counter);
            position: absolute;
            top: -0.8rem;
            left: 1.2rem;
            background: linear-gradient(135deg, #FFD700, #D4A000);
            color: #071915;
            font-weight: 800;
            font-size: 0.85rem;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.4);
        }

        .process-step .step-icon {
            font-size: 1.6rem;
            color: var(--gold);
            margin-bottom: 0.8rem;
        }

        .process-step h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

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

        /* ========== TESTIMONIAL / SOCIAL PROOF ========== */
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.2rem;
        }

        .proof-card {
            background: rgba(10, 46, 28, 0.5);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            padding: 1.2rem 1.2rem 1.4rem;
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }

        .proof-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-3px);
        }

        .proof-card .proof-quote {
            font-size: 0.88rem;
            color: var(--text-mint);
            line-height: 1.6;
            margin-bottom: 1rem;
            font-style: italic;
        }

        .proof-card .proof-author {
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }

        .proof-card .proof-author .avatar-circle {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .proof-card .proof-author .author-info {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .proof-card .proof-author .author-info strong {
            display: block;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.85rem;
        }

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

        .accordion-custom {
            background: rgba(10, 46, 28, 0.5);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .accordion-custom:hover {
            border-color: var(--border-gold);
        }

        .accordion-custom .accordion-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1rem 1.2rem;
            cursor: pointer;
            transition: background var(--transition-fast);
            user-select: none;
        }

        .accordion-custom .accordion-header:hover {
            background: rgba(255, 215, 0, 0.04);
        }

        .accordion-custom .accordion-header h3 {
            font-size: 0.95rem;
            font-weight: 600;
            margin: 0;
            color: var(--text-white);
            line-height: 1.4;
        }

        .accordion-custom .accordion-header .accordion-toggle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.1);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform var(--transition-base);
            font-size: 0.75rem;
        }

        .accordion-custom .accordion-body {
            padding: 0 1.2rem 1.2rem;
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: none;
        }

        .accordion-custom.open .accordion-toggle {
            transform: rotate(180deg);
        }

        .accordion-custom.open .accordion-body {
            display: block;
            animation: fadeInDown 0.3s ease;
        }

        @keyframes fadeInDown {
            from { opacity: 0; transform: translateY(-8px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.9) 0%, rgba(7, 25, 21, 0.95) 100%),
                url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-top: 1px solid rgba(255, 215, 0, 0.25);
            border-bottom: 1px solid rgba(255, 215, 0, 0.25);
            padding: 4rem 0;
            text-align: center;
        }

        .cta-section h2 {
            color: var(--gold);
            margin-bottom: 0.8rem;
        }

        .cta-section p {
            max-width: 560px;
            margin: 0 auto 1.8rem;
            color: var(--text-mint);
            font-size: 1rem;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            justify-content: center;
            align-items: center;
        }

        /* ========== FAB ========== */
        .floating-fab {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 1050;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1C1C1E 0%, #0A2E1C 100%);
            border: 2px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.3rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            transition: opacity var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            animation: fab-breathe 3s ease-in-out infinite;
            -webkit-tap-highlight-color: transparent;
        }

        .floating-fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.45);
        }

        .floating-fab:active {
            transform: scale(0.95) translateY(2px);
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.25);
        }

        .floating-fab .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border: 2px solid #fff;
            border-radius: 50%;
            animation: blink-dot 1.6s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.7; transform: translateY(0); }
            50% { opacity: 0.9; transform: translateY(-6px); }
        }

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

        /* ========== FOOTER ========== */
        .footer {
            background: rgba(7, 25, 21, 0.9);
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding: 3rem 0 1.5rem;
        }

        .footer .brand {
            font-family: var(--font-display);
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--gold);
        }

        .footer .text-muted-2 {
            color: var(--text-muted);
        }

        .footer h6 {
            color: var(--gold);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

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

        .footer ul li {
            margin-bottom: 0.5rem;
        }

        .footer ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

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

        .payment-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.25);
            color: var(--gold);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.35rem 0.8rem;
            border-radius: 50px;
        }

        .payment-badge i {
            font-size: 0.7rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.2rem;
            margin-top: 2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: var(--gold);
            font-weight: 500;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 991.98px) {
            .category-hero {
                padding-top: 100px;
                padding-bottom: 2.5rem;
            }

            .value-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .process-steps {
                grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            }
        }

        @media (max-width: 767.98px) {
            .category-hero {
                padding-top: 90px;
                padding-bottom: 2rem;
            }

            .category-hero h1 {
                font-size: clamp(1.5rem, 6vw, 2rem);
            }

            .hero-download-card {
                margin-top: 1.5rem;
            }

            .section-block {
                padding: 2.5rem 0;
            }

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

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

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

            .process-steps {
                grid-template-columns: 1fr;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.6rem;
            }

            .floating-fab {
                left: 1rem;
                bottom: 5.5rem;
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 519.98px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .category-hero {
                padding-top: 80px;
                padding-bottom: 1.8rem;
            }

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

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

            .trust-bar-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.6rem;
            }

            .trust-stat .stat-number {
                font-size: 1.3rem;
            }

            .section-header h2 {
                font-size: clamp(1.2rem, 5vw, 1.5rem);
            }

            .platform-card .card-action {
                flex-direction: column;
            }

            .platform-card .card-action .btn {
                width: 100%;
            }

            .process-step {
                padding: 1.2rem 1rem;
            }

            .accordion-custom .accordion-header {
                padding: 0.8rem 1rem;
            }

            .accordion-custom .accordion-header h3 {
                font-size: 0.85rem;
            }

            .accordion-custom .accordion-body {
                padding: 0 1rem 1rem;
                font-size: 0.82rem;
            }

            .floating-fab {
                left: 0.8rem;
                bottom: 5rem;
                width: 44px;
                height: 44px;
                font-size: 1rem;
            }
        }

/* roulang page: category3 */
:root {
            --jade-deep: #0A2E1C;
            --jade-forest: #123E25;
            --jade-dark: #07190F;
            --gold: #FFD700;
            --gold-soft: #F0C94A;
            --gold-muted: #C5A059;
            --lucky-red: #D32F2F;
            --red-bright: #E53935;
            --white: #FFFFFF;
            --mint-pale: #D1F2EB;
            --mint-faint: #E8F5F0;
            --text-muted: rgba(209, 242, 235, .7);
            --text-soft: rgba(255, 255, 255, .82);
            --border-gold: rgba(255, 215, 0, .35);
            --border-soft: rgba(209, 242, 235, .14);
            --bg-card: rgba(255, 255, 255, .035);
            --bg-card-hover: rgba(255, 255, 255, .07);
            --bg-dark-panel: rgba(7, 25, 15, .88);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, .15);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, .22);
            --shadow-lg: 0 18px 50px rgba(0, 0, 0, .35);
            --shadow-gold: 0 4px 22px rgba(255, 215, 0, .22);
            --shadow-gold-lg: 0 10px 40px rgba(255, 215, 0, .18);
            --transition: all .3s cubic-bezier(.4, 0, .2, 1);
            --font-body: 'Be Vietnam Pro', 'Segoe UI', Tahoma, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--jade-deep);
            color: var(--white);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        ul, ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .container {
            max-width: 1180px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(7, 25, 15, .9) !important;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 2px 20px rgba(0, 0, 0, .18);
        }

        .site-header .navbar-brand {
            color: var(--gold);
            font-weight: 900;
            letter-spacing: .5px;
            text-shadow: 0 0 18px rgba(255, 215, 0, .35);
            transition: var(--transition);
        }

        .site-header .navbar-brand:hover {
            color: var(--gold);
            text-shadow: 0 0 28px rgba(255, 215, 0, .55);
        }

        .site-header .nav-link {
            color: rgba(255, 255, 255, .78);
            font-weight: 500;
            font-size: .95rem;
            padding: .6rem 1rem;
            border-radius: 50px;
            transition: var(--transition);
        }

        .site-header .nav-link:hover {
            color: var(--white);
            background: rgba(255, 215, 0, .1);
        }

        .site-header .nav-link.active {
            color: var(--gold);
            background: rgba(255, 215, 0, .13);
            font-weight: 700;
        }

        .btn-gold {
            background: linear-gradient(135deg, #FFD700, #F0A500);
            color: #1A1A1A;
            border: none;
            border-radius: 50px;
            font-weight: 800;
            letter-spacing: .3px;
            padding: .55rem 1.5rem;
            transition: var(--transition);
            box-shadow: 0 4px 18px rgba(255, 215, 0, .3);
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, #FFE44D, #FFB800);
            color: #0A0A0A;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, .45);
        }

        .btn-outline-light-custom {
            border: 1px solid rgba(255, 255, 255, .4);
            color: var(--white);
            border-radius: 50px;
            font-weight: 600;
            font-size: .9rem;
            padding: .55rem 1.3rem;
            transition: var(--transition);
            background: transparent;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, .12);
            border-color: rgba(255, 255, 255, .65);
            color: var(--white);
        }

        .navbar-toggler {
            border-color: rgba(255, 215, 0, .4);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, .25);
        }

        .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");
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            padding: 5rem 0 4.5rem;
            background: linear-gradient(160deg, var(--jade-dark) 0%, var(--jade-forest) 55%, var(--jade-deep) 100%);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 550px;
            height: 550px;
            background: radial-gradient(circle, rgba(255, 215, 0, .08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(211, 47, 47, .07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 215, 0, .13);
            border: 1px solid var(--border-gold);
            color: var(--gold);
            font-size: .82rem;
            font-weight: 700;
            letter-spacing: .6px;
            padding: .4rem 1.1rem;
            border-radius: 50px;
            margin-bottom: 1.4rem;
            text-transform: uppercase;
        }

        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3.3rem);
            font-weight: 900;
            line-height: 1.18;
            margin-bottom: 1.2rem;
            letter-spacing: -.5px;
        }

        .hero-title .text-gold-gradient {
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-soft);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: .8rem;
            margin-bottom: 2.4rem;
        }

        .hero-cta-group .btn-gold {
            padding: .8rem 2rem;
            font-size: 1rem;
            border-radius: 50px;
            letter-spacing: .3px;
        }

        .hero-cta-group .btn-outline-light-custom {
            padding: .8rem 1.8rem;
            font-size: .95rem;
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            border-top: 1px solid var(--border-soft);
            padding-top: 1.8rem;
        }

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

        .hero-stat-number {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--gold);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: .85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .hero-visual {
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-gold-lg);
            min-height: 380px;
            display: flex;
            align-items: flex-end;
            justify-content: center;
        }

        .hero-visual img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            opacity: .85;
        }

        .hero-live-badge {
            position: absolute;
            top: 18px;
            left: 18px;
            background: rgba(7, 25, 15, .85);
            border: 1px solid var(--border-gold);
            color: var(--gold);
            font-size: .78rem;
            font-weight: 700;
            padding: .35rem .9rem;
            border-radius: 50px;
            display: flex;
            align-items: center;
            gap: .45rem;
            backdrop-filter: blur(8px);
        }

        .hero-live-badge .live-dot {
            width: 8px;
            height: 8px;
            background: var(--red-bright);
            border-radius: 50%;
            animation: pulse-live 1.5s infinite;
        }

        @keyframes pulse-live {
            0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(211, 47, 47, .6); }
            50% { opacity: .7; box-shadow: 0 0 0 6px rgba(211, 47, 47, 0); }
        }

        .hero-countdown-wrap {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1.4rem 1.5rem;
            background: rgba(7, 25, 15, .92);
            backdrop-filter: blur(10px);
            border-top: 1px solid var(--border-gold);
        }

        .hero-countdown-label {
            font-size: .8rem;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: .7rem;
            font-weight: 500;
        }

        .hero-countdown {
            display: flex;
            justify-content: center;
            gap: .7rem;
        }

        .cd-box {
            background: rgba(255, 255, 255, .06);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            padding: .5rem .7rem;
            min-width: 58px;
            text-align: center;
        }

        .cd-number {
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--gold);
            line-height: 1.1;
        }

        .cd-label {
            font-size: .68rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: .5px;
        }

        .hero-subscribe {
            position: absolute;
            top: 18px;
            right: 18px;
            background: rgba(7, 25, 15, .8);
            border: 1px solid var(--border-soft);
            border-radius: 50px;
            padding: .3rem;
            display: flex;
            align-items: center;
            backdrop-filter: blur(8px);
        }

        .hero-subscribe input {
            background: transparent;
            border: none;
            color: var(--white);
            padding: .3rem .8rem;
            font-size: .8rem;
            outline: none;
            width: 150px;
        }

        .hero-subscribe input::placeholder {
            color: var(--text-muted);
        }

        .hero-subscribe button {
            background: var(--gold);
            color: #1A1A1A;
            border: none;
            border-radius: 50px;
            padding: .4rem 1.1rem;
            font-size: .78rem;
            font-weight: 800;
            cursor: pointer;
            transition: var(--transition);
        }

        .hero-subscribe button:hover {
            background: #FFE44D;
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: 4.5rem 0;
            position: relative;
        }

        .section-block.alt-bg {
            background: linear-gradient(160deg, var(--jade-dark) 0%, var(--jade-forest) 100%);
        }

        .section-label {
            display: inline-block;
            font-size: .82rem;
            font-weight: 700;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            color: var(--gold-muted);
            margin-bottom: .9rem;
        }

        .section-title {
            font-size: clamp(1.7rem, 3.2vw, 2.5rem);
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -.4px;
            margin-bottom: 1rem;
            color: var(--white);
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-soft);
            max-width: 720px;
            line-height: 1.7;
            text-align: left;
        }

        /* ===== Strategy Cards ===== */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.4rem;
            margin-top: 2.2rem;
        }

        .strategy-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 1.8rem 1.5rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .strategy-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(to bottom, var(--gold), transparent);
            opacity: 0;
            transition: var(--transition);
        }

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

        .strategy-card:hover::after {
            opacity: 1;
        }

        .strategy-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(255, 215, 0, .12);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--gold);
            margin-bottom: 1.1rem;
        }

        .strategy-card h3 {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: .7rem;
            color: var(--white);
        }

        .strategy-card p {
            font-size: .93rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Scenario Section ===== */
        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 2.2rem;
        }

        .scenario-item {
            display: flex;
            align-items: flex-start;
            gap: 1.2rem;
            padding: 1.4rem 1.5rem;
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .scenario-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-gold);
            box-shadow: var(--shadow-sm);
        }

        .scenario-num {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 215, 0, .13);
            border: 1px solid var(--border-gold);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.05rem;
        }

        .scenario-content h4 {
            font-size: 1.05rem;
            font-weight: 800;
            margin-bottom: .45rem;
            color: var(--white);
        }

        .scenario-content p {
            font-size: .92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Evidence / Stats ===== */
        .evidence-panel {
            background: var(--bg-dark-panel);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 2.8rem 2.5rem;
            margin-top: 2rem;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .evidence-panel::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, .06) 0%, transparent 70%);
            border-radius: 50%;
        }

        .evidence-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.8rem;
            position: relative;
            z-index: 1;
        }

        .evidence-item {
            text-align: center;
            padding: 1.2rem;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, .025);
            transition: var(--transition);
        }

        .evidence-item:hover {
            background: rgba(255, 255, 255, .06);
        }

        .evidence-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: .3rem;
        }

        .evidence-label {
            font-size: .88rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-list {
            margin-top: 2.2rem;
            display: flex;
            flex-direction: column;
            gap: .9rem;
        }

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

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

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--white);
            font-size: 1.02rem;
            font-weight: 700;
            padding: 1.2rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            text-align: left;
            gap: 1rem;
            transition: var(--transition);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 215, 0, .12);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .85rem;
            transition: var(--transition);
        }

        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
            background: rgba(255, 215, 0, .25);
        }

        .faq-answer {
            padding: 0 1.5rem 1.3rem;
            color: var(--text-muted);
            font-size: .94rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(150deg, var(--jade-dark) 0%, var(--jade-forest) 60%, #0D3A22 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 3.5rem 2.5rem;
            text-align: center;
            box-shadow: var(--shadow-gold-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 215, 0, .08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 900;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: var(--text-soft);
            max-width: 580px;
            margin: 0 auto 1.8rem;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-gold {
            padding: .9rem 2.4rem;
            font-size: 1.05rem;
            position: relative;
            z-index: 1;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--jade-dark);
            border-top: 1px solid var(--border-gold);
            padding: 3.5rem 0 0;
            margin-top: 1rem;
        }

        .footer .brand {
            font-size: 1.35rem;
            font-weight: 900;
            color: var(--gold);
            letter-spacing: .3px;
        }

        .footer .text-muted-2 {
            color: var(--text-muted);
        }

        .footer h6 {
            color: var(--gold);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: .3px;
        }

        .footer ul li {
            margin-bottom: .55rem;
        }

        .footer ul li a {
            color: var(--text-muted);
            font-size: .92rem;
            transition: var(--transition);
        }

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

        .payment-badge {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            background: rgba(255, 215, 0, .08);
            border: 1px solid var(--border-gold);
            color: var(--gold);
            font-size: .78rem;
            font-weight: 600;
            padding: .35rem .9rem;
            border-radius: 50px;
            transition: var(--transition);
        }

        .payment-badge:hover {
            background: rgba(255, 215, 0, .16);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding: 1.4rem 0;
            margin-top: 2.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: .8rem;
            font-size: .85rem;
            color: var(--text-muted);
        }

        .footer-bottom .text-gold {
            color: var(--gold);
            font-weight: 700;
        }

        /* ===== FAB ===== */
        .fab-support {
            position: fixed;
            left: 1rem;
            bottom: 5.5rem;
            z-index: 1060;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1A1A1A, #0D0D0D);
            border: 2px solid var(--gold);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, .3);
            opacity: .7;
            transition: var(--transition);
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, .5);
        }

        .fab-support:active {
            transform: scale(.95) translateY(2px);
        }

        .fab-support .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--red-bright);
            border: 2px solid var(--jade-dark);
            border-radius: 50%;
            animation: notif-blink 2s infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { box-shadow: 0 4px 20px rgba(255, 215, 0, .3); }
            50% { box-shadow: 0 4px 32px rgba(255, 215, 0, .55); }
        }

        @keyframes notif-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: .35; }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-section {
                padding: 3.5rem 0 3.2rem;
            }

            .hero-visual {
                min-height: 320px;
                margin-top: 2rem;
            }

            .hero-visual img {
                height: 320px;
            }

            .section-block {
                padding: 3.5rem 0;
            }

            .evidence-panel {
                padding: 2rem 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-section {
                padding: 2.8rem 0 2.5rem;
            }

            .hero-title {
                font-size: 1.8rem;
            }

            .hero-subtitle {
                font-size: .98rem;
            }

            .hero-stats-row {
                gap: 1.5rem;
                flex-wrap: wrap;
            }

            .hero-stat-number {
                font-size: 1.3rem;
            }

            .hero-visual {
                min-height: 260px;
            }

            .hero-visual img {
                height: 260px;
            }

            .hero-countdown {
                gap: .5rem;
            }

            .cd-box {
                min-width: 48px;
                padding: .4rem .5rem;
            }

            .cd-number {
                font-size: 1.15rem;
            }

            .hero-subscribe input {
                width: 110px;
                font-size: .72rem;
            }

            .section-title {
                font-size: 1.55rem;
            }

            .strategy-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

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

            .evidence-number {
                font-size: 1.6rem;
            }

            .cta-section {
                padding: 2.5rem 1.5rem;
                border-radius: var(--radius-lg);
            }

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

            .scenario-item {
                flex-direction: column;
                gap: .8rem;
                padding: 1.1rem 1.2rem;
            }

            .navbar-collapse {
                padding-top: 1rem;
                padding-bottom: .8rem;
            }

            .site-header .d-flex.gap-2 {
                margin-top: .8rem;
                flex-wrap: wrap;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.55rem;
            }

            .hero-badge {
                font-size: .72rem;
                padding: .3rem .8rem;
            }

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

            .hero-cta-group .btn-gold,
            .hero-cta-group .btn-outline-light-custom {
                width: 100%;
                text-align: center;
            }

            .hero-stats-row {
                gap: 1.2rem;
            }

            .hero-subscribe {
                position: relative;
                top: auto;
                right: auto;
                margin-top: 1rem;
                justify-content: space-between;
                width: 100%;
            }

            .hero-subscribe input {
                width: 100%;
            }

            .hero-visual {
                min-height: 220px;
            }

            .hero-visual img {
                height: 220px;
            }

            .cd-box {
                min-width: 40px;
                padding: .3rem .4rem;
            }

            .cd-number {
                font-size: 1rem;
            }

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

            .fab-support {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
                left: .8rem;
                bottom: 5rem;
            }

            .section-block {
                padding: 2.8rem 0;
            }
        }

/* roulang page: category2 */
:root {
            --jade: #0A2E1C;
            --forest: #123E25;
            --jade-light: #1A4A32;
            --jade-mid: #1E5539;
            --gold: #FFD700;
            --gold-dark: #E6C400;
            --gold-pale: #FFF8DC;
            --red: #D32F2F;
            --red-dark: #B71C1C;
            --white: #FFFFFF;
            --mint: #D1F2EB;
            --text-soft: #C8E8D9;
            --text-muted: #9BBFAA;
            --bg-dark: #072515;
            --bg-card: rgba(18, 62, 37, .88);
            --bg-card-hover: rgba(26, 74, 50, .95);
            --border-gold: rgba(255, 215, 0, .35);
            --border-gold-strong: rgba(255, 215, 0, .65);
            --border-soft: rgba(255, 255, 255, .08);
            --shadow-sm: 0 4px 18px rgba(0, 0, 0, .28);
            --shadow-md: 0 10px 32px rgba(0, 0, 0, .34);
            --shadow-lg: 0 18px 48px rgba(0, 0, 0, .42);
            --shadow-gold: 0 6px 28px rgba(255, 215, 0, .22);
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --radius-xl: 36px;
            --font-base: 1rem;
            --font-sm: .9rem;
            --font-xs: .8rem;
            --font-lg: 1.15rem;
            --font-xl: 1.5rem;
            --font-2xl: 2rem;
            --font-3xl: 2.75rem;
            --font-4xl: 3.5rem;
            --transition-fast: .2s ease;
            --transition-smooth: .35s cubic-bezier(.25, .6, .3, 1);
            --gradient-jade: linear-gradient(145deg, #072515 0%, #0A2E1C 35%, #123E25 70%, #1A4A32 100%);
            --gradient-gold: linear-gradient(135deg, #FFD700 0%, #F0C800 40%, #E6C400 100%);
            --gradient-cta: linear-gradient(135deg, #FFD700 0%, #FFC200 50%, #E6A800 100%);
            --gradient-red: linear-gradient(135deg, #D32F2F 0%, #C62828 100%);
            --font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(255, 215, 0, .7);
            outline-offset: 2px;
            border-radius: 6px;
        }

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

        .container {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ---- Header / Navigation ---- */
        .site-header {
            background: rgba(7, 25, 15, .88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 215, 0, .18);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .site-header .navbar-brand {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: .3px;
            color: var(--gold);
            white-space: normal;
            line-height: 1.2;
        }

        .site-header .nav-link {
            color: var(--text-soft);
            font-weight: 500;
            font-size: .94rem;
            padding: .55rem .85rem;
            border-radius: 50px;
            transition: all var(--transition-fast);
            white-space: normal;
        }

        .site-header .nav-link:hover,
        .site-header .nav-link:focus {
            color: var(--gold);
            background: rgba(255, 215, 0, .08);
        }

        .site-header .nav-link.active {
            color: var(--gold);
            font-weight: 700;
            background: rgba(255, 215, 0, .12);
            box-shadow: inset 0 0 0 1px rgba(255, 215, 0, .3);
        }

        .btn-gold {
            background: var(--gradient-gold);
            color: #1A2E1A !important;
            border: none;
            font-weight: 800;
            letter-spacing: .3px;
            border-radius: 50px;
            padding: .55rem 1.15rem;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-gold);
        }

        .btn-gold:hover,
        .btn-gold:focus {
            background: linear-gradient(135deg, #FFE044 0%, #FFD700 100%);
            transform: translateY(-2px);
            box-shadow: 0 10px 34px rgba(255, 215, 0, .35);
            color: #1A2E1A;
        }

        .btn-outline-light-custom {
            color: var(--white);
            border: 1px solid rgba(255, 255, 255, .45);
            border-radius: 50px;
            font-weight: 600;
            padding: .5rem 1.1rem;
            transition: all var(--transition-fast);
            background: transparent;
        }

        .btn-outline-light-custom:hover,
        .btn-outline-light-custom:focus {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(255, 255, 255, .7);
            color: var(--white);
            transform: translateY(-2px);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 215, 0, .4);
            border-radius: 10px;
            padding: .4rem .7rem;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, .3);
            border-color: var(--gold);
        }

        .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(255,215,0,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ---- Hero Section ---- */
        .hero-section {
            position: relative;
            padding: 4.5rem 0 4rem;
            background: var(--gradient-jade);
            border-bottom: 1px solid var(--border-soft);
            overflow: hidden;
        }

        .hero-bg-pattern {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: .12;
            pointer-events: none;
        }

        .hero-glow {
            position: absolute;
            top: -80px;
            right: -60px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, .16) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: rgba(255, 215, 0, .14);
            border: 1px solid rgba(255, 215, 0, .35);
            color: var(--gold);
            font-weight: 700;
            font-size: .85rem;
            padding: .5rem 1.1rem;
            border-radius: 50px;
            margin-bottom: 1.25rem;
            letter-spacing: .3px;
        }

        .hero-badge i {
            font-size: .9rem;
        }

        .hero-title {
            font-size: var(--font-4xl);
            font-weight: 800;
            line-height: 1.2;
            color: var(--white);
            margin-bottom: 1.25rem;
            letter-spacing: -.5px;
        }

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

        .hero-subtitle {
            font-size: var(--font-lg);
            color: var(--text-soft);
            max-width: 620px;
            line-height: 1.65;
            margin-bottom: 1.75rem;
        }

        .hero-features-mini {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 1.5rem;
            margin-bottom: 2rem;
        }

        .hero-feature-mini {
            display: flex;
            align-items: center;
            gap: .5rem;
            color: var(--mint);
            font-weight: 500;
            font-size: .92rem;
        }

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

        .compare-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-top: 2.25rem;
        }

        .compare-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 2rem 1.25rem;
            position: relative;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            min-height: 100%;
        }

        .compare-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-6px);
            border-color: rgba(255, 215, 0, .35);
            box-shadow: var(--shadow-md);
        }

        .compare-card.recommended {
            border: 2px solid rgba(255, 215, 0, .6);
            box-shadow: var(--shadow-gold);
            background: rgba(22, 58, 38, .94);
            transform: translateY(-8px);
        }

        .compare-card.recommended:hover {
            transform: translateY(-12px);
            box-shadow: 0 18px 48px rgba(255, 215, 0, .3);
        }

        .compare-card .card-badge-feature {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            font-size: .72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: .5px;
            color: var(--gold);
            background: rgba(255, 215, 0, .12);
            border: 1px solid rgba(255, 215, 0, .35);
            padding: .25rem .7rem;
            border-radius: 50px;
            align-self: flex-start;
            margin-bottom: .75rem;
        }

        .compare-card .card-badge-hot {
            position: absolute;
            top: -14px;
            right: 1.25rem;
            background: var(--gradient-red);
            color: var(--white);
            font-weight: 800;
            font-size: .72rem;
            text-transform: uppercase;
            letter-spacing: .6px;
            padding: .3rem .8rem;
            border-radius: 50px;
            box-shadow: 0 6px 18px rgba(211, 47, 47, .45);
        }

        .compare-card .plan-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: .5rem;
        }

        .compare-card .plan-percent {
            font-size: 2.3rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.1;
            margin-bottom: .4rem;
        }

        .compare-card .plan-max {
            font-size: .9rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }

        .compare-card .plan-features {
            flex: 1;
            margin-bottom: 1.25rem;
        }

        .compare-card .plan-features li {
            font-size: .9rem;
            color: var(--text-soft);
            padding: .45rem 0;
            display: flex;
            align-items: flex-start;
            gap: .55rem;
            border-bottom: 1px solid rgba(255, 255, 255, .05);
        }

        .compare-card .plan-features li:last-child {
            border-bottom: none;
        }

        .compare-card .plan-features li i {
            color: var(--gold);
            margin-top: .2rem;
            font-size: .8rem;
        }

        .btn-cta-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: var(--gradient-cta);
            color: #1A2E1A;
            font-weight: 800;
            font-size: .95rem;
            padding: .75rem 1.2rem;
            border-radius: 50px;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-gold);
            text-align: center;
            letter-spacing: .3px;
        }

        .btn-cta-gold:hover,
        .btn-cta-gold:focus {
            background: linear-gradient(135deg, #FFE044 0%, #FFD700 100%);
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(255, 215, 0, .4);
            color: #1A2E1A;
        }

        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: transparent;
            color: var(--gold);
            font-weight: 700;
            font-size: .95rem;
            padding: .7rem 1.2rem;
            border-radius: 50px;
            border: 1.5px solid rgba(255, 215, 0, .5);
            transition: all var(--transition-fast);
            text-align: center;
            letter-spacing: .3px;
        }

        .btn-cta-outline:hover,
        .btn-cta-outline:focus {
            background: rgba(255, 215, 0, .1);
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-3px);
        }

        /* ---- Section Blocks ---- */
        .section-block {
            padding: 4rem 0;
            position: relative;
        }

        .section-block-alt {
            background: rgba(10, 40, 25, .5);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            font-size: .8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: .8px;
            color: var(--gold);
            background: rgba(255, 215, 0, .1);
            border: 1px solid rgba(255, 215, 0, .25);
            padding: .35rem .9rem;
            border-radius: 50px;
            margin-bottom: .8rem;
        }

        .section-title {
            font-size: var(--font-2xl);
            font-weight: 800;
            color: var(--white);
            line-height: 1.25;
            margin-bottom: .8rem;
            letter-spacing: -.3px;
        }

        .section-desc {
            font-size: var(--font-base);
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.65;
            margin-bottom: 2rem;
        }

        .section-heading-left {
            text-align: left;
        }

        /* ---- Value Proposition ---- */
        .value-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .value-image-wrapper {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-gold);
        }

        .value-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .value-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(7, 25, 15, .2) 0%, rgba(7, 25, 15, .75) 100%);
            display: flex;
            align-items: flex-end;
            padding: 1.5rem;
        }

        .value-image-overlay span {
            font-weight: 700;
            color: var(--gold);
            font-size: 1.1rem;
        }

        .value-list {
            display: flex;
            flex-direction: column;
            gap: 1.1rem;
        }

        .value-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.25rem;
            transition: all var(--transition-fast);
        }

        .value-item:hover {
            border-color: rgba(255, 215, 0, .35);
            background: var(--bg-card-hover);
            transform: translateX(4px);
            box-shadow: var(--shadow-sm);
        }

        .value-item-icon {
            width: 46px;
            height: 46px;
            flex-shrink: 0;
            border-radius: 14px;
            background: rgba(255, 215, 0, .15);
            border: 1px solid rgba(255, 215, 0, .3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            color: var(--gold);
        }

        .value-item-content h5 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: .3rem;
        }

        .value-item-content p {
            font-size: .9rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 0;
        }

        /* ---- Feature Group ---- */
        .feature-group-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.6rem;
        }

        .feature-group-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 1.8rem 1.4rem;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .feature-group-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient-gold);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-smooth);
        }

        .feature-group-card:hover::after {
            transform: scaleX(1);
        }

        .feature-group-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(255, 215, 0, .4);
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .feature-group-card .fg-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            background: rgba(255, 215, 0, .13);
            border: 1px solid rgba(255, 215, 0, .3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--gold);
            margin-bottom: 1rem;
        }

        .feature-group-card h5 {
            font-size: 1.12rem;
            font-weight: 700;
            margin-bottom: .6rem;
            color: var(--white);
        }

        .feature-group-card p {
            font-size: .9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        .fg-badge {
            display: inline-block;
            font-size: .72rem;
            font-weight: 700;
            color: var(--gold);
            background: rgba(255, 215, 0, .08);
            border: 1px solid rgba(255, 215, 0, .2);
            padding: .25rem .6rem;
            border-radius: 6px;
            margin-bottom: .5rem;
            letter-spacing: .4px;
            text-transform: uppercase;
        }

        /* ---- Use Cases ---- */
        .usecase-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: start;
        }

        .usecase-steps {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .usecase-step {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.4rem;
            transition: all var(--transition-fast);
        }

        .usecase-step:hover {
            border-color: rgba(255, 215, 0, .3);
            background: var(--bg-card-hover);
        }

        .step-number {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--gradient-gold);
            color: #1A2E1A;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-gold);
        }

        .usecase-step h6 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: .3rem;
            color: var(--white);
        }

        .usecase-step p {
            font-size: .88rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.55;
        }

        .usecase-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-gold);
            position: sticky;
            top: 100px;
        }

        .usecase-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 380px;
        }

        /* ---- Stats / Social Proof ---- */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.4rem;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 1.6rem 1.2rem;
            text-align: center;
            transition: all var(--transition-fast);
            position: relative;
        }

        .stat-card:hover {
            border-color: rgba(255, 215, 0, .4);
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
            letter-spacing: -.5px;
        }

        .stat-label {
            font-size: .85rem;
            color: var(--text-muted);
            font-weight: 500;
            margin-top: .3rem;
        }

        .stat-icon {
            font-size: 1.5rem;
            color: var(--gold);
            margin-bottom: .5rem;
        }

        /* ---- FAQ ---- */
        .faq-wrapper {
            max-width: 780px;
            margin: 0 auto;
        }

        .accordion-faq {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            background: var(--bg-card);
            margin-bottom: .9rem;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .accordion-faq:hover {
            border-color: rgba(255, 215, 0, .3);
        }

        .accordion-faq .faq-question {
            padding: 1.2rem 1.4rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-weight: 700;
            font-size: .98rem;
            color: var(--white);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: all var(--transition-fast);
        }

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

        .accordion-faq .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(255, 215, 0, .12);
            border: 1px solid rgba(255, 215, 0, .3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: .8rem;
            transition: transform var(--transition-fast);
        }

        .accordion-faq.open .faq-question .faq-toggle {
            transform: rotate(180deg);
            background: rgba(255, 215, 0, .25);
        }

        .accordion-faq .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .3s ease;
            padding: 0 1.4rem;
            color: var(--text-muted);
            font-size: .9rem;
            line-height: 1.65;
        }

        .accordion-faq.open .faq-answer {
            max-height: 300px;
            padding-bottom: 1.2rem;
            padding-top: 0;
        }

        /* ---- CTA Section ---- */
        .cta-section {
            background: var(--gradient-jade);
            border-top: 1px solid rgba(255, 215, 0, .25);
            padding: 4rem 0;
        }

        .cta-panel {
            background: rgba(255, 215, 0, .07);
            border: 1px solid rgba(255, 215, 0, .3);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-lg);
        }

        .cta-panel h3 {
            font-size: var(--font-2xl);
            font-weight: 800;
            color: var(--white);
            margin-bottom: .8rem;
        }

        .cta-panel p {
            color: var(--text-soft);
            font-size: var(--font-base);
            max-width: 560px;
            margin: 0 auto 1.75rem;
            line-height: 1.6;
        }

        .cta-panel .btn-cta-gold {
            font-size: 1.05rem;
            padding: .85rem 2rem;
        }

        /* ---- Footer ---- */
        .footer {
            background: #05200F;
            border-top: 1px solid rgba(255, 215, 0, .18);
            padding: 3rem 0 2rem;
            margin-top: 0;
        }

        .footer .brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--gold);
        }

        .footer .text-muted-2 {
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer h6 {
            color: var(--white);
            font-weight: 700;
            font-size: 1rem;
        }

        .footer ul {
            display: flex;
            flex-direction: column;
            gap: .55rem;
        }

        .footer ul li a {
            color: var(--text-muted);
            font-size: .9rem;
            transition: all var(--transition-fast);
        }

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

        .payment-badge {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            background: rgba(255, 215, 0, .1);
            border: 1px solid rgba(255, 215, 0, .25);
            color: var(--gold);
            font-weight: 600;
            font-size: .78rem;
            padding: .35rem .75rem;
            border-radius: 50px;
        }

        .payment-badge i {
            font-size: .8rem;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            padding-top: 1.5rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, .07);
            font-size: .85rem;
            color: var(--text-muted);
        }

        .footer-bottom .text-gold {
            color: var(--gold);
            font-weight: 600;
        }

        /* ---- FAB ---- */
        .fab-support {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #0D1F15;
            border: 2.5px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.35rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, .3);
            opacity: .7;
            animation: fab-breathe 3s ease-in-out infinite;
            transition: all var(--transition-smooth);
            text-decoration: none;
        }

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, .5);
            color: var(--gold);
        }

        .fab-support:active {
            transform: scale(.95) translateY(2px);
        }

        .fab-support .fab-icon {
            transition: transform .5s ease;
            position: relative;
        }

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

        .fab-support .fab-notif {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--red);
            border: 2px solid #0D1F15;
            animation: fab-blink 1.8s ease-in-out infinite;
        }

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

        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: .35; }
        }

        /* ---- Responsive ---- */
        @media (max-width: 1024px) {
            :root {
                --font-4xl: 3rem;
                --font-3xl: 2.4rem;
                --font-2xl: 1.8rem;
                --font-xl: 1.35rem;
                --font-lg: 1.05rem;
            }

            .compare-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.25rem;
            }

            .compare-card.recommended {
                grid-column: span 2;
                transform: translateY(0);
            }

            .compare-card.recommended:hover {
                transform: translateY(-6px);
            }

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

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

            .value-block,
            .usecase-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .usecase-visual {
                position: static;
                order: -1;
            }

            .usecase-visual img {
                min-height: 260px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --font-4xl: 2.5rem;
                --font-3xl: 2rem;
                --font-2xl: 1.6rem;
                --font-xl: 1.3rem;
                --font-lg: 1rem;
                --font-base: .95rem;
            }

            .hero-section {
                padding: 3rem 0 2.5rem;
            }

            .section-block {
                padding: 3rem 0;
            }

            .compare-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }

            .compare-card.recommended {
                grid-column: span 1;
            }

            .feature-group-grid {
                grid-template-columns: 1fr;
            }

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

            .stat-number {
                font-size: 1.6rem;
            }

            .cta-panel {
                padding: 2rem 1.25rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: .6rem;
            }

            .fab-support {
                left: .8rem;
                bottom: 5rem;
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
            }

            .site-header .navbar-brand {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            :root {
                --font-4xl: 2.1rem;
                --font-3xl: 1.8rem;
                --font-2xl: 1.45rem;
                --font-xl: 1.2rem;
                --font-lg: .98rem;
                --font-base: .92rem;
                --font-sm: .85rem;
            }

            .hero-features-mini {
                gap: .6rem .9rem;
                font-size: .82rem;
            }

            .compare-card {
                padding: 1.5rem 1rem;
            }

            .compare-card .plan-percent {
                font-size: 1.9rem;
            }

            .value-item {
                padding: 1rem .9rem;
                gap: .75rem;
            }

            .value-item-icon {
                width: 40px;
                height: 40px;
                font-size: 1rem;
                border-radius: 10px;
            }

            .feature-group-card {
                padding: 1.4rem 1.1rem;
            }

            .feature-group-card .fg-icon {
                width: 46px;
                height: 46px;
                font-size: 1.15rem;
                border-radius: 12px;
            }

            .usecase-step {
                padding: 1rem .9rem;
                gap: .75rem;
            }

            .step-number {
                width: 38px;
                height: 38px;
                font-size: .95rem;
            }

            .cta-panel h3 {
                font-size: var(--font-xl);
            }

            .cta-panel .btn-cta-gold {
                font-size: .95rem;
                padding: .75rem 1.3rem;
            }

            .accordion-faq .faq-question {
                padding: 1rem 1.1rem;
                font-size: .9rem;
            }
        }