/* roulang page: index */
:root {
            --clr-primary: #F59E0B;
            --clr-primary-light: #FCD34D;
            --clr-primary-grad: linear-gradient(135deg, #F59E0B 0%, #FCD34D 60%, #FBBF24 100%);
            --clr-accent-red: #DC2626;
            --clr-bg-deep: #051F14;
            --clr-bg-dark: #0B2E1E;
            --clr-bg-darker: #072719;
            --clr-bg-card: #0D3322;
            --clr-text: #F8FAFC;
            --clr-text-muted: #D1FAE5;
            --clr-text-soft: #A3A375;
            --clr-border-gold: rgba(245, 158, 11, 0.3);
            --clr-border-gold-strong: rgba(245, 158, 11, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --font-main: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, 'Noto Sans', 'Noto Sans Vietnamese', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.18s ease;
            --spacing-section: 72px;
            --spacing-section-mobile: 44px;
            --max-width: 1200px;
            --header-height: 72px;
            --header-height-mobile: 62px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.6;
            color: var(--clr-text);
            background: var(--clr-bg-deep);
            background-image: radial-gradient(ellipse at top left, rgba(245, 158, 11, 0.05) 0%, transparent 55%),
                radial-gradient(ellipse at bottom right, rgba(220, 38, 38, 0.04) 0%, transparent 50%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--clr-primary-light);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--clr-primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.005em;
            color: var(--clr-text);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        .section--alt {
            background: var(--clr-bg-dark);
            border-top: 1px solid rgba(245, 158, 11, 0.12);
            border-bottom: 1px solid rgba(245, 158, 11, 0.12);
        }

        .section__header {
            margin-bottom: 40px;
            max-width: 720px;
            text-align: left;
        }

        .section__header--left {
            text-align: left;
        }

        .section__label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--clr-primary-light);
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid var(--clr-border-gold);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 16px;
        }

        .section__title {
            font-size: clamp(1.75rem, 4vw, 2.5rem);
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--clr-text);
        }

        .section__desc {
            font-size: 1.05rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
            max-width: 680px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.01em;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
            text-align: center;
        }

        .btn--gold {
            background: var(--clr-primary-grad);
            color: #0B2E1E;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.4);
            border: 1px solid rgba(252, 211, 77, 0.6);
        }

        .btn--gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.55);
            color: #0B2E1E;
        }

        .btn--gold:active {
            transform: translateY(1px) scale(0.98);
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
        }

        .btn--outline {
            background: transparent;
            color: var(--clr-text);
            border: 1.5px solid var(--clr-border-gold-strong);
            box-shadow: 0 0 0 rgba(0, 0, 0, 0);
        }

        .btn--outline:hover {
            background: rgba(245, 158, 11, 0.12);
            border-color: var(--clr-primary);
            color: var(--clr-primary-light);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.2);
        }

        .btn--outline:active {
            transform: translateY(1px);
        }

        .btn--sm {
            padding: 10px 20px;
            font-size: 0.875rem;
        }

        .btn--lg {
            padding: 16px 36px;
            font-size: 1.1rem;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            padding: 5px 12px;
            border-radius: 999px;
            line-height: 1.2;
        }

        .badge--red {
            background: rgba(220, 38, 38, 0.15);
            color: #FCA5A5;
            border: 1px solid rgba(220, 38, 38, 0.4);
        }

        .badge--gold {
            background: rgba(245, 158, 11, 0.12);
            color: var(--clr-primary-light);
            border: 1px solid var(--clr-border-gold);
        }

        .badge--green {
            background: rgba(16, 185, 129, 0.12);
            color: #6EE7B7;
            border: 1px solid rgba(16, 185, 129, 0.4);
        }

        .tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--clr-text-muted);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.03em;
        }

        .corner-tag {
            position: absolute;
            top: 12px;
            right: 12px;
            z-index: 3;
            background: var(--clr-accent-red);
            color: #fff;
            font-size: 0.65rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            padding: 4px 12px;
            border-radius: 6px;
            box-shadow: 0 2px 8px rgba(220, 38, 38, 0.4);
        }

        .divider {
            width: 100%;
            height: 1px;
            background: linear-gradient(to right, transparent, rgba(245, 158, 11, 0.25), transparent);
            margin: 0;
        }

        .divider--dark {
            background: rgba(255, 255, 255, 0.06);
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--header-height);
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.15);
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(5, 31, 20, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 100%;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            max-width: 280px;
        }

        .site-logo__icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--clr-primary-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }

        .site-logo__text {
            font-size: 0.95rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--clr-text);
            letter-spacing: 0.005em;
        }

        .site-logo__text span {
            display: block;
            font-size: 0.62rem;
            font-weight: 500;
            color: var(--clr-primary-light);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .main-nav__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--clr-text-muted);
            border-radius: 999px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .main-nav__link:hover {
            color: var(--clr-primary-light);
            background: rgba(245, 158, 11, 0.08);
        }

        .main-nav__link.active {
            color: var(--clr-primary-light);
            background: rgba(245, 158, 11, 0.14);
            border: 1px solid rgba(245, 158, 11, 0.25);
        }

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

        .btn--login {
            padding: 10px 18px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--clr-text);
            border: 1.5px solid rgba(245, 158, 11, 0.4);
            border-radius: 999px;
            background: transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn--login:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: var(--clr-primary);
            color: var(--clr-primary-light);
        }

        .btn--signup {
            padding: 10px 22px;
            font-size: 0.875rem;
            font-weight: 700;
            background: var(--clr-primary-grad);
            color: #0B2E1E;
            border-radius: 999px;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn--signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 22px rgba(245, 158, 11, 0.5);
        }

        .btn--signup:active {
            transform: translateY(1px) scale(0.97);
        }

        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            border: 1px solid var(--clr-border-gold);
            background: rgba(245, 158, 11, 0.08);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            transition: var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-toggle:hover {
            background: rgba(245, 158, 11, 0.18);
        }

        .mobile-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--clr-primary-light);
            border-radius: 2px;
            transition: var(--transition-fast);
        }

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

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

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

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            z-index: 99;
            background: rgba(5, 31, 20, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.2);
            padding: 16px 24px 24px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
            flex-direction: column;
            gap: 8px;
            animation: slideDown 0.25s ease;
        }

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

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .mobile-menu__link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 18px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--clr-text);
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            background: rgba(255, 255, 255, 0.03);
            transition: var(--transition-fast);
        }

        .mobile-menu__link:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: var(--clr-border-gold);
            color: var(--clr-primary-light);
        }

        .mobile-menu__link.active {
            background: rgba(245, 158, 11, 0.14);
            border-color: var(--clr-border-gold-strong);
            color: var(--clr-primary-light);
        }

        .mobile-menu__actions {
            display: flex;
            gap: 10px;
            margin-top: 10px;
        }

        .mobile-menu__actions .btn {
            flex: 1;
        }

        /* ===== HERO ===== */
        .hero {
            padding-top: calc(var(--header-height) + 40px);
            padding-bottom: 60px;
            position: relative;
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: center;
            background: linear-gradient(180deg, #051F14 0%, #0B2E1E 55%, #051F14 100%);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/fdd90d2988255e5e.jpg') center / cover no-repeat;
            opacity: 0.18;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(5, 31, 20, 0.9) 20%, rgba(11, 46, 30, 0.75) 50%, rgba(5, 31, 20, 0.95) 100%);
            pointer-events: none;
        }

        .hero__inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }

        .hero__content {
            text-align: left;
        }

        .hero__badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }

        .hero__title {
            font-size: clamp(2rem, 5.5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.01em;
            margin-bottom: 18px;
            background: linear-gradient(135deg, #F8FAFC 0%, #FDE68A 45%, #F59E0B 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero__desc {
            font-size: 1.1rem;
            line-height: 1.7;
            color: var(--clr-text-muted);
            max-width: 580px;
            margin-bottom: 28px;
        }

        .hero__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 24px;
        }

        .hero__meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero__meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--clr-text-muted);
        }

        .hero__meta-item svg {
            width: 18px;
            height: 18px;
            color: var(--clr-primary);
            flex-shrink: 0;
        }

        .hero__panel {
            background: rgba(5, 31, 20, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(245, 158, 11, 0.25);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
            position: relative;
            overflow: hidden;
        }

        .hero__panel::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero__panel-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--clr-primary-light);
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }

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

        .hero__ranking-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }

        .hero__ranking-item:hover {
            background: rgba(245, 158, 11, 0.08);
            border-color: var(--clr-border-gold);
        }

        .hero__ranking-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            font-size: 0.8rem;
            font-weight: 800;
            background: var(--clr-primary-grad);
            color: #0B2E1E;
            flex-shrink: 0;
        }

        .hero__ranking-num--top {
            background: linear-gradient(135deg, #DC2626, #F97316);
            color: #fff;
        }

        .hero__ranking-info {
            flex: 1;
            min-width: 0;
        }

        .hero__ranking-name {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--clr-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hero__ranking-amount {
            font-size: 0.8rem;
            color: var(--clr-text-soft);
        }

        .hero__ranking-tag {
            font-size: 0.68rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            color: #6EE7B7;
            background: rgba(16, 185, 129, 0.1);
            padding: 4px 10px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .hero__panel-footer {
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.75rem;
            color: var(--clr-text-soft);
        }

        .hero__panel-footer .live-dot {
            width: 8px;
            height: 8px;
            background: #10B981;
            border-radius: 50%;
            animation: pulseDot 1.5s infinite;
            display: inline-block;
            margin-right: 6px;
        }

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

        /* ===== CARDS & GRIDS ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .card-grid--3 {
            grid-template-columns: repeat(3, 1fr);
        }

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

        .card {
            background: var(--clr-bg-card);
            border: 1px solid rgba(245, 158, 11, 0.18);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .card:hover {
            border-color: var(--clr-border-gold-strong);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

        .card__icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid var(--clr-border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            color: var(--clr-primary-light);
        }

        .card__title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--clr-text);
        }

        .card__text {
            font-size: 0.92rem;
            line-height: 1.6;
            color: var(--clr-text-muted);
            margin-bottom: 0;
        }

        .card__date {
            font-size: 0.75rem;
            color: var(--clr-text-soft);
            margin-top: 10px;
            letter-spacing: 0.02em;
        }

        .card--article {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            cursor: pointer;
        }

        .card--article .card__title {
            font-size: 1rem;
            margin-bottom: 6px;
        }

        .card--article .card__text {
            font-size: 0.85rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card__image {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            transition: transform var(--transition);
        }

        .card:hover .card__image {
            transform: scale(1.03);
        }

        .card__footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 6px;
        }

        /* ===== STATS BAR ===== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            padding: 32px 28px;
            background: var(--clr-bg-card);
            border: 1px solid rgba(245, 158, 11, 0.18);
            border-radius: var(--radius-lg);
        }

        .stats-bar__item {
            text-align: left;
            padding: 0 16px;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
        }

        .stats-bar__item:last-child {
            border-right: none;
        }

        .stats-bar__number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--clr-primary-light);
            letter-spacing: -0.01em;
            margin-bottom: 4px;
        }

        .stats-bar__label {
            font-size: 0.8rem;
            color: var(--clr-text-soft);
        }

        /* ===== INFO GRID (left content + right rail) ===== */
        .info-grid {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 40px;
            align-items: start;
        }

        .info-grid__main {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .info-grid__sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
            position: sticky;
            top: calc(var(--header-height) + 30px);
        }

        .sidebar-widget {
            background: var(--clr-bg-card);
            border: 1px solid rgba(245, 158, 11, 0.18);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
        }

        .sidebar-widget__title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--clr-primary-light);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar-widget__list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .sidebar-widget__item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-sm);
            transition: var(--transition-fast);
        }

        .sidebar-widget__item:hover {
            background: rgba(245, 158, 11, 0.1);
        }

        .sidebar-widget__num {
            font-size: 0.75rem;
            font-weight: 800;
            color: var(--clr-primary-light);
            width: 24px;
            flex-shrink: 0;
        }

        .sidebar-widget__name {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--clr-text);
            line-height: 1.3;
        }

        /* ===== TOPIC STRIP ===== */
        .topic-strip {
            display: flex;
            gap: 14px;
            overflow-x: auto;
            padding: 16px 0;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(245, 158, 11, 0.3) transparent;
        }

        .topic-strip::-webkit-scrollbar {
            height: 4px;
        }

        .topic-strip::-webkit-scrollbar-track {
            background: transparent;
        }

        .topic-strip::-webkit-scrollbar-thumb {
            background: rgba(245, 158, 11, 0.3);
            border-radius: 4px;
        }

        .topic-chip {
            flex-shrink: 0;
            scroll-snap-align: start;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 22px;
            border-radius: 999px;
            background: rgba(245, 158, 11, 0.08);
            border: 1px solid rgba(245, 158, 11, 0.25);
            color: var(--clr-text);
            font-size: 0.875rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .topic-chip:hover {
            background: rgba(245, 158, 11, 0.18);
            border-color: var(--clr-primary);
            transform: translateY(-1px);
        }

        .topic-chip.active {
            background: var(--clr-primary-grad);
            color: #0B2E1E;
            border-color: transparent;
            font-weight: 700;
        }

        /* ===== MEDIA PARTNERS ===== */
        .partner-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            align-items: center;
            justify-content: flex-start;
            padding: 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .partner-strip__label {
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--clr-text-soft);
            margin-right: 8px;
        }

        .partner-strip__item {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--clr-text-muted);
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .partner-strip__item:hover {
            color: var(--clr-primary-light);
        }

        /* ===== TESTIMONIALS ===== */
        .testimonial-card {
            background: var(--clr-bg-card);
            border: 1px solid rgba(245, 158, 11, 0.18);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            transition: var(--transition);
        }

        .testimonial-card:hover {
            border-color: var(--clr-border-gold-strong);
            box-shadow: var(--shadow-card);
        }

        .testimonial-card__stars {
            display: flex;
            gap: 3px;
            margin-bottom: 12px;
            color: var(--clr-primary-light);
            font-size: 0.9rem;
        }

        .testimonial-card__text {
            font-size: 0.92rem;
            line-height: 1.6;
            color: var(--clr-text-muted);
            margin-bottom: 16px;
        }

        .testimonial-card__author {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .testimonial-card__avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid var(--clr-border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--clr-primary-light);
            flex-shrink: 0;
            font-size: 0.85rem;
        }

        .testimonial-card__name {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--clr-text);
        }

        .testimonial-card__role {
            font-size: 0.75rem;
            color: var(--clr-text-soft);
        }

        /* ===== TRUST / SECURITY ===== */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 20px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-md);
            transition: var(--transition-fast);
        }

        .trust-item:hover {
            background: rgba(245, 158, 11, 0.07);
            border-color: var(--clr-border-gold);
        }

        .trust-item__icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(245, 158, 11, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .trust-item__text {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--clr-text);
            line-height: 1.35;
        }

        .trust-item__sub {
            font-size: 0.72rem;
            color: var(--clr-text-soft);
            font-weight: 400;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border: 1px solid rgba(245, 158, 11, 0.18);
            border-radius: var(--radius-md);
            background: var(--clr-bg-card);
            overflow: hidden;
            transition: var(--transition-fast);
        }

        .faq-item.open {
            border-color: var(--clr-border-gold-strong);
        }

        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--clr-text);
            transition: var(--transition-fast);
            text-align: left;
            width: 100%;
        }

        .faq-item__question:hover {
            background: rgba(245, 158, 11, 0.05);
        }

        .faq-item__icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid var(--clr-border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--clr-primary-light);
            transition: transform var(--transition);
        }

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

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

        .faq-item.open .faq-item__answer {
            max-height: 300px;
        }

        .faq-item__answer-inner {
            padding-bottom: 20px;
            font-size: 0.9rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, rgba(220, 38, 38, 0.06) 100%);
            border: 1px solid rgba(245, 158, 11, 0.25);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: left;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section__title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--clr-text);
        }

        .cta-section__desc {
            font-size: 1rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
            max-width: 560px;
            margin-bottom: 24px;
        }

        .cta-section__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--clr-bg-darker);
            border-top: 1px solid rgba(245, 158, 11, 0.15);
            padding: 56px 0 28px;
            margin-top: 40px;
        }

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

        .site-footer__brand {
            max-width: 320px;
        }

        .site-footer__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .site-footer__logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--clr-primary-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .site-footer__logo-text {
            font-size: 0.9rem;
            font-weight: 800;
            line-height: 1.2;
        }

        .site-footer__desc {
            font-size: 0.82rem;
            color: var(--clr-text-soft);
            line-height: 1.55;
            margin-bottom: 14px;
        }

        .site-footer__badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .site-footer__badge {
            font-size: 0.68rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            padding: 5px 10px;
            border-radius: 6px;
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid rgba(245, 158, 11, 0.25);
            color: var(--clr-primary-light);
        }

        .site-footer__col-title {
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--clr-primary-light);
            margin-bottom: 16px;
        }

        .site-footer__links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .site-footer__link {
            font-size: 0.85rem;
            color: var(--clr-text-muted);
            transition: var(--transition-fast);
        }

        .site-footer__link:hover {
            color: var(--clr-primary-light);
            padding-left: 4px;
        }

        .site-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--clr-text-soft);
        }

        .site-footer__copyright {
            font-size: 0.78rem;
            color: var(--clr-text-soft);
        }

        /* ===== FAB ===== */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0B2E1E 0%, #051F14 100%);
            border: 2px solid var(--clr-primary);
            box-shadow: var(--shadow-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            cursor: pointer;
            transition: all var(--transition);
            animation: fabBreathe 3s ease-in-out infinite;
            position: relative;
        }

        .fab:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.55);
        }

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

        .fab__badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--clr-accent-red);
            border-radius: 50%;
            border: 2px solid #fff;
            box-shadow: 0 2px 6px rgba(220, 38, 38, 0.5);
        }

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

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero__inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero {
                min-height: auto;
                padding-bottom: 48px;
            }

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

            .info-grid__sidebar {
                position: static;
                grid-template-columns: 1fr 1fr;
                display: grid;
                gap: 20px;
            }

            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stats-bar__item {
                border-right: none;
                padding: 0;
            }

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

            .card-grid--3 {
                grid-template-columns: repeat(2, 1fr);
            }

            .main-nav {
                gap: 0;
            }

            .main-nav__link {
                padding: 8px 12px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
                --header-height: var(--header-height-mobile);
            }

            .main-nav {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .header-actions .btn--login,
            .header-actions .btn--signup {
                display: none;
            }

            .sa-mobile-login,
            .sa-mobile-signup {
                display: inline-flex !important;
            }

            .site-logo {
                max-width: 200px;
            }

            .site-logo__text {
                font-size: 0.78rem;
            }

            .site-logo__text span {
                font-size: 0.55rem;
            }

            .site-logo__icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }

            .hero {
                padding-top: calc(var(--header-height) + 28px);
                padding-bottom: 40px;
            }

            .hero__title {
                font-size: clamp(1.6rem, 6vw, 2.2rem);
            }

            .hero__desc {
                font-size: 0.95rem;
            }

            .hero__panel {
                padding: 22px 18px;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .card-grid--3,
            .card-grid--2 {
                grid-template-columns: 1fr;
            }

            .stats-bar {
                grid-template-columns: 1fr 1fr;
                padding: 22px 18px;
            }

            .stats-bar__number {
                font-size: 1.4rem;
            }

            .info-grid__sidebar {
                grid-template-columns: 1fr;
            }

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

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

            .site-footer__bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .cta-section {
                padding: 32px 24px;
            }

            .section__header {
                margin-bottom: 28px;
            }

            .section__desc {
                font-size: 0.95rem;
            }

            .fab {
                left: 12px;
                bottom: 80px;
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
            }

            .hero__meta {
                gap: 14px;
                flex-direction: column;
            }

            .partner-strip {
                gap: 10px 16px;
            }
        }

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

            .hero__actions {
                flex-direction: column;
                gap: 10px;
            }

            .hero__actions .btn {
                width: 100%;
            }

            .stats-bar {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .stats-bar__item {
                text-align: left;
                padding: 8px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }

            .stats-bar__item:last-child {
                border-bottom: none;
            }

            .stats-bar__number {
                font-size: 1.3rem;
            }

            .card {
                padding: 20px 16px;
            }

            .cta-section__actions .btn {
                width: 100%;
            }

            .testimonial-card {
                padding: 18px 16px;
            }

            .mobile-menu {
                padding: 12px 16px 20px;
            }
        }

/* roulang page: article */
:root {
            --clr-primary: #F59E0B;
            --clr-primary-light: #FCD34D;
            --clr-primary-grad: linear-gradient(135deg, #F59E0B 0%, #FCD34D 60%, #FBBF24 100%);
            --clr-accent-red: #DC2626;
            --clr-bg-deep: #051F14;
            --clr-bg-dark: #0B2E1E;
            --clr-bg-darker: #072719;
            --clr-bg-card: #0D3322;
            --clr-text: #F8FAFC;
            --clr-text-muted: #D1FAE5;
            --clr-text-soft: #A3A375;
            --clr-border-gold: rgba(245, 158, 11, 0.3);
            --clr-border-gold-strong: rgba(245, 158, 11, 0.6);
            --clr-border-subtle: rgba(245, 158, 11, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --shadow-gold-lg: 0 12px 40px rgba(245, 158, 11, 0.45);
            --font-main: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, 'Noto Sans', 'Noto Sans Vietnamese', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.18s ease;
            --spacing-section: 72px;
            --spacing-section-mobile: 44px;
            --max-width: 1200px;
            --header-height: 72px;
            --header-height-mobile: 62px;
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: var(--spacing-section-mobile);
                --header-height: var(--header-height-mobile);
            }
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.6;
            color: var(--clr-text);
            background: var(--clr-bg-deep);
            background-image: radial-gradient(ellipse at top left, rgba(245, 158, 11, 0.05) 0%, transparent 55%),
                radial-gradient(ellipse at bottom right, rgba(220, 38, 38, 0.04) 0%, transparent 50%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--clr-primary-light);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--clr-primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        .section--alt {
            background: var(--clr-bg-dark);
            border-top: 1px solid var(--clr-border-subtle);
            border-bottom: 1px solid var(--clr-border-subtle);
        }

        .section--dark {
            background: var(--clr-bg-darker);
        }

        .section--remove-top {
            padding-top: 24px;
        }

        .section--remove-bottom {
            padding-bottom: 24px;
        }

        .section__header {
            margin-bottom: 40px;
            max-width: 720px;
            text-align: left;
        }

        .section__label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--clr-primary-light);
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid var(--clr-border-gold);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 16px;
        }

        .section__title {
            font-size: clamp(1.75rem, 4vw, 2.5rem);
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--clr-text);
            line-height: 1.25;
        }

        .section__desc {
            font-size: 1.05rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
            max-width: 680px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.01em;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
            text-align: center;
            border: 1.5px solid transparent;
        }

        .btn--gold {
            background: var(--clr-primary-grad);
            color: #0B2E1E;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.4);
            border-color: rgba(252, 211, 77, 0.6);
        }

        .btn--gold:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold-lg);
            color: #0B2E1E;
        }

        .btn--gold:active {
            transform: translateY(1px) scale(0.98);
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
        }

        .btn--outline {
            background: transparent;
            color: var(--clr-text);
            border-color: var(--clr-border-gold-strong);
        }

        .btn--outline:hover {
            background: rgba(245, 158, 11, 0.12);
            border-color: var(--clr-primary);
            color: var(--clr-primary-light);
        }

        .btn--red {
            background: var(--clr-accent-red);
            color: #fff;
            box-shadow: 0 4px 18px rgba(220, 38, 38, 0.4);
            border-color: rgba(239, 68, 68, 0.5);
        }

        .btn--red:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(220, 38, 38, 0.55);
            color: #fff;
        }

        .btn--lg {
            padding: 18px 42px;
            font-size: 1.1rem;
        }

        .btn--sm {
            padding: 10px 20px;
            font-size: 0.9rem;
            border-radius: 999px;
        }

        .btn--full {
            width: 100%;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--clr-border-subtle);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }

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

        .main-logo__icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--clr-primary-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: var(--shadow-gold);
            flex-shrink: 0;
        }

        .main-logo__text {
            font-weight: 800;
            font-size: 0.95rem;
            color: var(--clr-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            line-height: 1.2;
        }

        .main-logo__text span {
            color: var(--clr-primary-light);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--clr-border-gold-strong) transparent;
            -webkit-overflow-scrolling: touch;
            padding: 4px 0;
        }

        .main-nav::-webkit-scrollbar {
            height: 3px;
        }

        .main-nav::-webkit-scrollbar-track {
            background: transparent;
        }

        .main-nav::-webkit-scrollbar-thumb {
            background: var(--clr-border-gold-strong);
            border-radius: 999px;
        }

        .main-nav__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--clr-text-muted);
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .main-nav__link:hover {
            color: var(--clr-primary-light);
            background: rgba(245, 158, 11, 0.08);
        }

        .main-nav__link.active {
            color: var(--clr-primary-light);
            background: rgba(245, 158, 11, 0.12);
            border-color: var(--clr-border-gold);
        }

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

        .header-actions .btn--outline {
            padding: 10px 18px;
            font-size: 0.88rem;
            border-width: 1.5px;
        }

        .header-actions .btn--gold {
            padding: 10px 20px;
            font-size: 0.88rem;
        }

        .mobile-menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--clr-border-gold-strong);
            background: rgba(245, 158, 11, 0.08);
            align-items: center;
            justify-content: center;
            gap: 5px;
            flex-direction: column;
            flex-shrink: 0;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--clr-primary-light);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

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

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

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

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrapper {
            padding-top: calc(var(--header-height) + 24px);
            padding-bottom: 0;
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.88rem;
            color: var(--clr-text-soft);
        }

        .breadcrumb__link {
            color: var(--clr-text-soft);
            transition: color var(--transition-fast);
        }

        .breadcrumb__link:hover {
            color: var(--clr-primary-light);
        }

        .breadcrumb__sep {
            color: var(--clr-text-soft);
            opacity: 0.6;
            font-size: 0.75rem;
        }

        .breadcrumb__current {
            color: var(--clr-primary-light);
            font-weight: 600;
            max-width: 300px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ========== ARTICLE HEADER ========== */
        .article-header {
            padding: 32px 0 24px;
        }

        .article-header__top {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid var(--clr-border-gold);
            color: var(--clr-primary-light);
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .article-date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            color: var(--clr-text-soft);
        }

        .article-date::before {
            content: '🕐';
            font-size: 0.85rem;
        }

        .article-header h1 {
            font-size: clamp(1.6rem, 4.5vw, 2.75rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--clr-text);
        }

        .article-header__excerpt {
            font-size: 1.05rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
            max-width: 800px;
        }

        .article-author-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid var(--clr-border-subtle);
        }

        .article-author-row__avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--clr-primary-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #0B2E1E;
            font-weight: 800;
            flex-shrink: 0;
        }

        .article-author-row__info {
            display: flex;
            flex-direction: column;
        }

        .article-author-row__name {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--clr-text);
        }

        .article-author-row__role {
            font-size: 0.8rem;
            color: var(--clr-text-soft);
        }

        /* ========== ARTICLE COVER ========== */
        .article-cover {
            margin-bottom: 40px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--clr-border-subtle);
            position: relative;
        }

        .article-cover img {
            width: 100%;
            height: auto;
            max-height: 460px;
            object-fit: cover;
        }

        /* ========== ARTICLE CONTENT ========== */
        .article-content {
            font-size: 1.02rem;
            line-height: 1.7;
            color: var(--clr-text-muted);
            max-width: 820px;
            margin: 0 auto;
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--clr-text);
            margin: 36px 0 16px;
            line-height: 1.3;
            padding-left: 16px;
            border-left: 4px solid var(--clr-primary);
        }

        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--clr-text);
            margin: 28px 0 12px;
            line-height: 1.3;
        }

        .article-content p {
            margin-bottom: 16px;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--clr-border-subtle);
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0 20px 24px;
            padding: 0;
        }

        .article-content li {
            margin-bottom: 10px;
            padding-left: 6px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--clr-primary);
            background: rgba(245, 158, 11, 0.06);
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            margin: 24px 0;
            font-style: italic;
            color: var(--clr-text-muted);
        }

        .article-content a {
            color: var(--clr-primary-light);
            border-bottom: 1px solid var(--clr-border-gold-strong);
        }

        .article-content a:hover {
            color: var(--clr-primary);
            border-bottom-color: var(--clr-primary);
        }

        .article-content hr {
            border: none;
            border-top: 1px solid var(--clr-border-subtle);
            margin: 32px 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.92rem;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--clr-border-subtle);
            padding: 12px 14px;
            text-align: left;
        }

        .article-content th {
            background: rgba(245, 158, 11, 0.1);
            color: var(--clr-text);
            font-weight: 700;
        }

        .article-content td {
            color: var(--clr-text-muted);
        }

        /* ========== ARTICLE NOT FOUND ========== */
        .article-not-found {
            text-align: center;
            padding: 60px 24px;
            background: var(--clr-bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--clr-border-subtle);
            max-width: 600px;
            margin: 40px auto;
        }

        .article-not-found__icon {
            font-size: 3.5rem;
            margin-bottom: 16px;
        }

        .article-not-found h2 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .article-not-found p {
            color: var(--clr-text-muted);
            margin-bottom: 24px;
        }

        /* ========== ARTICLE TAKEAWAY ========== */
        .article-takeaway {
            margin-top: 40px;
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-gold);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow-card);
        }

        .article-takeaway__title {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--clr-primary-light);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .article-takeaway__title::before {
            content: '📌';
        }

        .article-takeaway__list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .article-takeaway__item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--clr-text-muted);
            line-height: 1.5;
        }

        .article-takeaway__item::before {
            content: '✅';
            flex-shrink: 0;
            font-size: 0.9rem;
            margin-top: 2px;
        }

        /* ========== ARTICLE ACTIONS ========== */
        .article-actions {
            margin-top: 40px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .article-action-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
            text-decoration: none;
        }

        .article-action-card:hover {
            border-color: var(--clr-border-gold-strong);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        .article-action-card__icon {
            font-size: 2rem;
            margin-bottom: 12px;
        }

        .article-action-card__title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--clr-text);
            margin-bottom: 6px;
        }

        .article-action-card__desc {
            font-size: 0.86rem;
            color: var(--clr-text-soft);
            line-height: 1.5;
        }

        /* ========== RELATED ARTICLES ========== */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .related-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            border-color: var(--clr-border-gold-strong);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        .related-card__image {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

        .related-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .related-card:hover .related-card__image img {
            transform: scale(1.05);
        }

        .related-card__body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card__tag {
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--clr-primary-light);
            margin-bottom: 8px;
        }

        .related-card__title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--clr-text);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .related-card__meta {
            font-size: 0.78rem;
            color: var(--clr-text-soft);
            margin-top: auto;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 820px;
            margin: 0 auto;
        }

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

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

        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 700;
            color: var(--clr-text);
            transition: color var(--transition-fast);
            text-align: left;
            width: 100%;
        }

        .faq-item__question:hover {
            color: var(--clr-primary-light);
        }

        .faq-item__icon {
            font-size: 1.4rem;
            flex-shrink: 0;
            transition: transform var(--transition);
            color: var(--clr-primary-light);
        }

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

        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
            padding: 0 24px;
            color: var(--clr-text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
        }

        .faq-item.open .faq-item__answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        /* ========== CTA SECTION ========== */
        .cta-panel {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-gold);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-gold-lg);
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -60%;
            width: 220%;
            height: 220%;
            background: radial-gradient(ellipse at center, rgba(245, 158, 11, 0.08) 0%, transparent 55%);
            pointer-events: none;
        }

        .cta-panel__title {
            font-size: clamp(1.5rem, 3.5vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
        }

        .cta-panel__desc {
            color: var(--clr-text-muted);
            max-width: 600px;
            margin: 0 auto 24px;
            font-size: 1.02rem;
            line-height: 1.65;
            position: relative;
        }

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

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--clr-bg-darker);
            border-top: 1px solid var(--clr-border-gold);
            padding: 56px 0 24px;
            margin-top: var(--spacing-section);
        }

        .site-footer__top {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .site-footer__brand {
            max-width: 400px;
        }

        .site-footer__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .site-footer__logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--clr-primary-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .site-footer__logo-text {
            font-weight: 800;
            font-size: 0.85rem;
            line-height: 1.3;
            color: var(--clr-text);
        }

        .site-footer__desc {
            font-size: 0.88rem;
            color: var(--clr-text-soft);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .site-footer__badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .site-footer__badge {
            display: inline-flex;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid var(--clr-border-gold);
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--clr-primary-light);
        }

        .site-footer__col-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--clr-text);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .site-footer__links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .site-footer__link {
            font-size: 0.88rem;
            color: var(--clr-text-soft);
            transition: color var(--transition-fast);
        }

        .site-footer__link:hover {
            color: var(--clr-primary-light);
        }

        .site-footer__bottom {
            border-top: 1px solid var(--clr-border-subtle);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--clr-text-soft);
        }

        .site-footer__copyright {
            font-size: 0.78rem;
        }

        .site-footer__legal-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .site-footer__legal-link {
            font-size: 0.78rem;
            color: var(--clr-text-soft);
        }

        .site-footer__legal-link:hover {
            color: var(--clr-primary-light);
        }

        /* ========== FAB ========== */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 600;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(ellipse at top left, #0D3322 0%, #051F14 70%);
            border: 2px solid var(--clr-primary);
            box-shadow: var(--shadow-gold), inset 0 2px 4px rgba(252, 211, 77, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 600;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(ellipse at top left, #0D3322 0%, #051F14 70%);
            border: 2px solid var(--clr-primary);
            box-shadow: var(--shadow-gold), inset 0 2px 4px rgba(252, 211, 77, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            text-decoration: none;
            animation: fab-float 3s ease-in-out infinite;
        }

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

        .fab:hover {
            transform: scale(1.1);
            animation-play-state: paused;
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.55);
        }

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

        .fab__icon {
            font-size: 1.6rem;
            filter: drop-shadow(0 2px 4px rgba(245, 158, 11, 0.6));
        }

        .fab__notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--clr-accent-red);
            border: 2px solid #fff;
            box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.35);
            animation: fab-pulse 1.8s ease-in-out infinite;
        }

        @keyframes fab-pulse {
            0%,
            100% {
                box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.35);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(220, 38, 38, 0.15);
            }
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .site-footer__top {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(5, 31, 20, 0.98);
                backdrop-filter: blur(16px);
                border-bottom: 1px solid var(--clr-border-subtle);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                gap: 6px;
                z-index: 999;
                max-height: calc(100vh - var(--header-height));
                overflow-y: auto;
            }

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

            .main-nav__link {
                padding: 14px 18px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
                width: 100%;
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .header-actions {
                gap: 8px;
            }

            .header-actions .btn--outline {
                padding: 8px 14px;
                font-size: 0.8rem;
            }

            .header-actions .btn--gold {
                padding: 8px 16px;
                font-size: 0.8rem;
            }

            .main-logo__text {
                font-size: 0.8rem;
                max-width: 140px;
            }

            .main-logo__icon {
                width: 34px;
                height: 34px;
                font-size: 1.1rem;
            }

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

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

            .article-actions {
                grid-template-columns: 1fr;
            }

            .article-header h1 {
                font-size: 1.5rem;
            }

            .article-content {
                font-size: 0.98rem;
            }

            .article-content h2 {
                font-size: 1.3rem;
            }

            .cta-panel {
                padding: 32px 20px;
            }

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

            .cta-panel__actions .btn {
                width: 100%;
            }

            .breadcrumb__current {
                max-width: 180px;
            }

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

            .fab__icon {
                font-size: 1.3rem;
            }
        }

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

            .header-actions .btn--outline {
                padding: 7px 10px;
                font-size: 0.75rem;
            }

            .header-actions .btn--gold {
                padding: 7px 12px;
                font-size: 0.75rem;
            }

            .main-logo__text {
                font-size: 0.72rem;
                max-width: 110px;
            }

            .main-logo__icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }

            .article-header {
                padding: 24px 0 16px;
            }

            .article-header h1 {
                font-size: 1.35rem;
            }

            .article-header__excerpt {
                font-size: 0.92rem;
            }

            .article-takeaway {
                padding: 20px 18px;
            }

            .related-card__body {
                padding: 14px 16px;
            }

            .cta-panel__title {
                font-size: 1.3rem;
            }

            .cta-panel__desc {
                font-size: 0.92rem;
            }

            .section__title {
                font-size: 1.5rem;
            }

            .faq-item__question {
                padding: 16px 18px;
                font-size: 0.92rem;
            }

            .faq-item__answer {
                padding: 0 18px;
                font-size: 0.88rem;
            }

            .faq-item.open .faq-item__answer {
                padding: 0 18px 16px;
            }

            .site-footer {
                padding: 36px 0 16px;
            }

            .site-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
:root {
            --clr-primary: #F59E0B;
            --clr-primary-light: #FCD34D;
            --clr-primary-grad: linear-gradient(135deg, #F59E0B 0%, #FCD34D 60%, #FBBF24 100%);
            --clr-accent-red: #DC2626;
            --clr-bg-deep: #051F14;
            --clr-bg-dark: #0B2E1E;
            --clr-bg-darker: #072719;
            --clr-bg-card: #0D3322;
            --clr-text: #F8FAFC;
            --clr-text-muted: #D1FAE5;
            --clr-text-soft: #A3A375;
            --clr-border-gold: rgba(245, 158, 11, 0.3);
            --clr-border-gold-strong: rgba(245, 158, 11, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --font-main: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, 'Noto Sans', 'Noto Sans Vietnamese', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.18s ease;
            --spacing-section: 72px;
            --spacing-section-mobile: 44px;
            --max-width: 1200px;
            --header-height: 72px;
            --header-height-mobile: 62px;
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: var(--spacing-section-mobile);
            }
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.6;
            color: var(--clr-text);
            background: var(--clr-bg-deep);
            background-image: radial-gradient(ellipse at top left, rgba(245, 158, 11, 0.05) 0%, transparent 55%),
                radial-gradient(ellipse at bottom right, rgba(220, 38, 38, 0.04) 0%, transparent 50%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--clr-primary-light);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--clr-primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        .section--alt {
            background: var(--clr-bg-dark);
            border-top: 1px solid rgba(245, 158, 11, 0.12);
            border-bottom: 1px solid rgba(245, 158, 11, 0.12);
        }

        .section__header {
            margin-bottom: 40px;
            max-width: 720px;
            text-align: left;
        }

        .section__label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--clr-primary-light);
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid var(--clr-border-gold);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 16px;
        }

        .section__title {
            font-size: clamp(1.75rem, 4vw, 2.5rem);
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--clr-text);
            line-height: 1.25;
        }

        .section__desc {
            font-size: 1.05rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
            max-width: 680px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.01em;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
            text-align: center;
        }

        .btn--gold {
            background: var(--clr-primary-grad);
            color: #0B2E1E;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.4);
            border: 1px solid rgba(252, 211, 77, 0.6);
        }

        .btn--gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.55);
            color: #0B2E1E;
        }

        .btn--gold:active {
            transform: translateY(1px) scale(0.98);
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
        }

        .btn--outline {
            background: transparent;
            color: var(--clr-text);
            border: 1.5px solid var(--clr-border-gold-strong);
            box-shadow: 0 0 0 rgba(0, 0, 0, 0);
        }

        .btn--outline:hover {
            background: rgba(245, 158, 11, 0.12);
            border-color: var(--clr-primary-light);
            color: var(--clr-primary-light);
            transform: translateY(-2px);
        }

        .btn--outline:active {
            transform: translateY(1px) scale(0.98);
        }

        .btn--lg {
            padding: 17px 38px;
            font-size: 1.1rem;
        }

        .btn--sm {
            padding: 10px 20px;
            font-size: 0.9rem;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .badge--hot {
            background: var(--clr-accent-red);
            color: #fff;
            box-shadow: 0 2px 10px rgba(220, 38, 38, 0.4);
        }

        .badge--vip {
            background: var(--clr-primary-grad);
            color: #0B2E1E;
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.35);
        }

        .badge--new {
            background: #10B981;
            color: #fff;
            box-shadow: 0 2px 10px rgba(16, 185, 129, 0.35);
        }

        .badge--outline-gold {
            background: transparent;
            border: 1px solid var(--clr-border-gold-strong);
            color: var(--clr-primary-light);
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--header-height);
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.18);
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(5, 31, 20, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 20px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--clr-text);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .site-logo:hover {
            color: var(--clr-primary-light);
        }

        .site-logo__icon {
            font-size: 1.6rem;
            line-height: 1;
        }

        .site-logo__text {
            display: flex;
            align-items: baseline;
            gap: 2px;
        }

        .site-logo__text-sub {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--clr-primary-light);
            letter-spacing: 0.02em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            margin: 0 auto;
        }

        .main-nav__link {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--clr-text-muted);
            padding: 8px 0;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .main-nav__link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--clr-primary-grad);
            border-radius: 2px;
            transition: width var(--transition);
        }

        .main-nav__link:hover {
            color: var(--clr-primary-light);
        }

        .main-nav__link:hover::after {
            width: 100%;
        }

        .main-nav__link.active {
            color: var(--clr-primary-light);
        }

        .main-nav__link.active::after {
            width: 100%;
        }

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

        .btn--login {
            background: transparent;
            color: var(--clr-text);
            border: 1.5px solid var(--clr-border-gold-strong);
            padding: 9px 20px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
        }

        .btn--login:hover {
            background: rgba(245, 158, 11, 0.12);
            color: var(--clr-primary-light);
            border-color: var(--clr-primary-light);
        }

        .btn--signup {
            background: var(--clr-primary-grad);
            color: #0B2E1E;
            padding: 9px 22px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.88rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
            transition: all var(--transition);
        }

        .btn--signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.5);
            color: #0B2E1E;
        }

        .btn--signup:active {
            transform: translateY(1px) scale(0.97);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--clr-border-gold);
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: rgba(245, 158, 11, 0.1);
        }

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

        .mobile-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

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

        .mobile-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            z-index: 99;
            background: rgba(5, 31, 20, 0.98);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.2);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 4px;
            transform: translateY(-8px);
            opacity: 0;
            pointer-events: none;
            transition: all var(--transition);
        }

        .mobile-nav.open {
            display: flex;
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-nav__link {
            padding: 12px 0;
            font-weight: 600;
            font-size: 1rem;
            color: var(--clr-text-muted);
            border-bottom: 1px solid rgba(245, 158, 11, 0.08);
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }

        .mobile-nav__link:hover {
            color: var(--clr-primary-light);
            padding-left: 8px;
        }

        .mobile-nav__link.active {
            color: var(--clr-primary-light);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 680px;
            display: flex;
            align-items: center;
            padding: calc(var(--header-height) + 40px) 0 80px;
            background: var(--clr-bg-deep);
            background-image: linear-gradient(rgba(5, 31, 20, 0.82), rgba(5, 31, 20, 0.92)),
                url('/assets/images/fdd90d2988255e5e.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--clr-bg-deep), transparent);
            pointer-events: none;
        }

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

        .hero__content {
            max-width: 680px;
        }

        .hero__badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .hero__title {
            font-size: clamp(2rem, 5vw, 3.25rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--clr-text);
            margin-bottom: 18px;
        }

        .hero__title .highlight {
            color: var(--clr-primary-light);
            position: relative;
        }

        .hero__title .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--clr-primary-grad);
            border-radius: 2px;
            opacity: 0.5;
        }

        .hero__desc {
            font-size: 1.1rem;
            line-height: 1.7;
            color: var(--clr-text-muted);
            margin-bottom: 30px;
            max-width: 600px;
        }

        .hero__cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

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

        .hero__stat {
            display: flex;
            flex-direction: column;
        }

        .hero__stat-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--clr-primary-light);
        }

        .hero__stat-label {
            font-size: 0.85rem;
            color: var(--clr-text-soft);
        }

        .hero__visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero__app-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-gold);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow-card), var(--shadow-gold);
            max-width: 380px;
            width: 100%;
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .hero__app-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45), 0 8px 35px rgba(245, 158, 11, 0.4);
        }

        .hero__app-icon {
            font-size: 4rem;
            margin-bottom: 12px;
            display: block;
        }

        .hero__app-name {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--clr-text);
            margin-bottom: 6px;
        }

        .hero__app-version {
            font-size: 0.85rem;
            color: var(--clr-text-soft);
            margin-bottom: 16px;
        }

        .hero__app-rating {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            color: var(--clr-primary-light);
            font-weight: 700;
            margin-bottom: 18px;
        }

        .hero__app-btn {
            width: 100%;
            margin-bottom: 10px;
        }

        .hero__app-note {
            font-size: 0.78rem;
            color: var(--clr-text-soft);
        }

        /* Stats bar */
        .stats-bar {
            background: var(--clr-bg-darker);
            border-bottom: 1px solid rgba(245, 158, 11, 0.15);
            padding: 20px 0;
        }

        .stats-bar__inner {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 40px;
            align-items: center;
            justify-content: space-between;
        }

        .stats-bar__item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--clr-text-muted);
        }

        .stats-bar__item-icon {
            font-size: 1.3rem;
        }

        .stats-bar__item strong {
            color: var(--clr-primary-light);
            font-weight: 800;
            font-size: 1.05rem;
        }

        /* Feature cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .feature-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-gold);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--clr-primary-grad);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            border-color: var(--clr-border-gold-strong);
            box-shadow: var(--shadow-card), 0 6px 24px rgba(245, 158, 11, 0.2);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card__icon {
            font-size: 2.5rem;
            margin-bottom: 14px;
            display: inline-block;
        }

        .feature-card__title {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--clr-text);
            margin-bottom: 8px;
        }

        .feature-card__desc {
            font-size: 0.95rem;
            color: var(--clr-text-muted);
            line-height: 1.6;
        }

        /* Steps */
        .steps-list {
            display: grid;
            gap: 20px;
        }

        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-gold);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            transition: all var(--transition);
            position: relative;
        }

        .step-item:hover {
            border-color: var(--clr-border-gold-strong);
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }

        .step-item__number {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--clr-primary-grad);
            color: #0B2E1E;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.4);
        }

        .step-item__content {
            flex: 1;
        }

        .step-item__title {
            font-size: 1.08rem;
            font-weight: 800;
            color: var(--clr-text);
            margin-bottom: 6px;
        }

        .step-item__desc {
            font-size: 0.95rem;
            color: var(--clr-text-muted);
            line-height: 1.6;
        }

        /* Requirements */
        .req-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .req-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-gold);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: left;
            transition: all var(--transition);
        }

        .req-card:hover {
            border-color: var(--clr-border-gold-strong);
            box-shadow: var(--shadow-card);
        }

        .req-card__label {
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--clr-text-soft);
            margin-bottom: 6px;
        }

        .req-card__value {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--clr-text);
        }

        /* Payment methods */
        .payment-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 16px;
        }

        .payment-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-gold);
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--clr-text);
            transition: all var(--transition-fast);
        }

        .payment-badge:hover {
            border-color: var(--clr-primary-light);
            color: var(--clr-primary-light);
            background: rgba(245, 158, 11, 0.08);
        }

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

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

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

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--clr-text);
            cursor: pointer;
            list-style: none;
            user-select: none;
        }

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

        .faq-item summary::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 300;
            color: var(--clr-primary-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-item__content {
            padding: 0 22px 18px;
            color: var(--clr-text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
        }

        /* CTA */
        .cta-section {
            background: var(--clr-bg-dark);
            border-top: 1px solid rgba(245, 158, 11, 0.15);
            border-bottom: 1px solid rgba(245, 158, 11, 0.15);
        }

        .cta-card {
            background: var(--clr-bg-card);
            border: 1.5px solid var(--clr-border-gold-strong);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: left;
            box-shadow: var(--shadow-card), var(--shadow-gold);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.15), transparent 70%);
            pointer-events: none;
        }

        .cta-card__title {
            font-size: clamp(1.5rem, 3.5vw, 2rem);
            font-weight: 800;
            color: var(--clr-text);
            margin-bottom: 12px;
            max-width: 520px;
        }

        .cta-card__desc {
            font-size: 1.05rem;
            color: var(--clr-text-muted);
            margin-bottom: 26px;
            max-width: 560px;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: var(--clr-bg-darker);
            border-top: 1px solid rgba(245, 158, 11, 0.2);
            padding: 56px 0 32px;
            margin-top: 0;
        }

        .site-footer__top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .site-footer__brand {
            max-width: 400px;
        }

        .site-footer__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--clr-text);
            margin-bottom: 12px;
        }

        .site-footer__logo-icon {
            font-size: 1.6rem;
        }

        .site-footer__desc {
            font-size: 0.9rem;
            color: var(--clr-text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .site-footer__badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .site-footer__badge {
            padding: 5px 12px;
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid var(--clr-border-gold);
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--clr-primary-light);
        }

        .site-footer__col-title {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--clr-text);
            margin-bottom: 14px;
        }

        .site-footer__links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .site-footer__link {
            font-size: 0.9rem;
            color: var(--clr-text-muted);
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }

        .site-footer__link:hover {
            color: var(--clr-primary-light);
            padding-left: 6px;
        }

        .site-footer__bottom {
            border-top: 1px solid rgba(245, 158, 11, 0.15);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
        }

        .site-footer__copyright {
            font-size: 0.85rem;
            color: var(--clr-text-soft);
        }

        .site-footer__compliance {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--clr-text-soft);
        }

        .site-footer__compliance-item {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--clr-bg-card);
            border: 2px solid var(--clr-primary);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            transition: all var(--transition);
            opacity: 0.8;
            cursor: pointer;
            position: fixed;
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 10px 35px rgba(245, 158, 11, 0.5);
        }

        .fab:active {
            transform: scale(0.95) translateY(2px);
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
        }

        .fab__badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #fff;
            box-shadow: 0 2px 6px rgba(220, 38, 38, 0.5);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero__inner {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .hero__visual {
                justify-content: flex-start;
            }

            .site-footer__top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .header-actions .btn--login,
            .header-actions .btn--signup {
                display: inline-flex;
                padding: 8px 14px;
                font-size: 0.8rem;
            }

            .hero {
                min-height: auto;
                padding: calc(var(--header-height) + 28px) 0 48px;
            }

            .hero__app-card {
                max-width: 100%;
                padding: 24px;
            }

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

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

            .cta-card {
                padding: 32px 24px;
                border-radius: var(--radius-lg);
            }

            .stats-bar__inner {
                gap: 12px 24px;
            }

            .stats-bar__item {
                font-size: 0.8rem;
            }

            .step-item {
                flex-direction: column;
                gap: 12px;
            }

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

            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
                left: 12px;
                bottom: 80px;
            }
        }

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

            .site-logo {
                font-size: 1rem;
            }

            .site-logo__text-sub {
                font-size: 0.62rem;
            }

            .header-actions .btn--login {
                padding: 7px 10px;
                font-size: 0.72rem;
            }

            .header-actions .btn--signup {
                padding: 7px 12px;
                font-size: 0.72rem;
            }

            .hero__title {
                font-size: 1.7rem;
            }

            .hero__desc {
                font-size: 0.95rem;
            }

            .hero__cta-row {
                flex-direction: column;
                gap: 10px;
            }

            .btn--lg {
                padding: 14px 26px;
                font-size: 1rem;
                width: 100%;
            }

            .hero__stats {
                gap: 16px;
            }

            .hero__stat-value {
                font-size: 1.2rem;
            }

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

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

            .cta-card {
                text-align: left;
                padding: 24px 18px;
            }

            .cta-card .btn {
                width: 100%;
            }

            .site-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

/* roulang page: category2 */
:root {
            --clr-primary: #F59E0B;
            --clr-primary-light: #FCD34D;
            --clr-primary-grad: linear-gradient(135deg, #F59E0B 0%, #FCD34D 60%, #FBBF24 100%);
            --clr-accent-red: #DC2626;
            --clr-bg-deep: #051F14;
            --clr-bg-dark: #0B2E1E;
            --clr-bg-darker: #072719;
            --clr-bg-card: #0D3322;
            --clr-text: #F8FAFC;
            --clr-text-muted: #D1FAE5;
            --clr-text-soft: #A3A375;
            --clr-border-gold: rgba(245, 158, 11, 0.3);
            --clr-border-gold-strong: rgba(245, 158, 11, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --font-main: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, 'Noto Sans', 'Noto Sans Vietnamese', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.18s ease;
            --spacing-section: 72px;
            --spacing-section-mobile: 44px;
            --max-width: 1200px;
            --header-height: 72px;
            --header-height-mobile: 62px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.6;
            color: var(--clr-text);
            background: var(--clr-bg-deep);
            background-image: radial-gradient(ellipse at top left, rgba(245, 158, 11, 0.05) 0%, transparent 55%),
                radial-gradient(ellipse at bottom right, rgba(220, 38, 38, 0.04) 0%, transparent 50%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--clr-primary-light);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--clr-primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        .section--alt {
            background: var(--clr-bg-dark);
            border-top: 1px solid rgba(245, 158, 11, 0.12);
            border-bottom: 1px solid rgba(245, 158, 11, 0.12);
        }

        .section__header {
            margin-bottom: 40px;
            max-width: 720px;
            text-align: left;
        }

        .section__label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--clr-primary-light);
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid var(--clr-border-gold);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 16px;
        }

        .section__title {
            font-size: clamp(1.75rem, 4vw, 2.5rem);
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--clr-text);
            line-height: 1.2;
        }

        .section__desc {
            font-size: 1.05rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
            max-width: 680px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.01em;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
            text-align: center;
            border: none;
        }

        .btn--gold {
            background: var(--clr-primary-grad);
            color: #0B2E1E;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.4);
            border: 1px solid rgba(252, 211, 77, 0.6);
        }

        .btn--gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.55);
            color: #0B2E1E;
        }

        .btn--gold:active {
            transform: translateY(1px) scale(0.98);
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
        }

        .btn--outline {
            background: transparent;
            color: var(--clr-text);
            border: 1.5px solid var(--clr-border-gold-strong);
            box-shadow: none;
        }

        .btn--outline:hover {
            background: rgba(245, 158, 11, 0.12);
            border-color: var(--clr-primary-light);
            color: var(--clr-primary-light);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(5, 31, 20, 0.95);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.18);
            min-height: var(--header-height);
            display: flex;
            align-items: center;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .main-nav__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-right: 18px;
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--clr-primary-light);
            white-space: nowrap;
        }

        .main-nav__logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--clr-primary-grad);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #0B2E1E;
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.4);
        }

        .main-nav__link {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            border-radius: 999px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--clr-text-muted);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .main-nav__link:hover {
            color: var(--clr-primary-light);
            background: rgba(245, 158, 11, 0.08);
        }

        .main-nav__link.active {
            color: #0B2E1E;
            background: var(--clr-primary-grad);
            font-weight: 700;
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.35);
        }

        .main-nav__toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid var(--clr-border-gold);
            color: var(--clr-primary-light);
            font-size: 1.25rem;
            align-items: center;
            justify-content: center;
        }

        /* Hero */
        .hero-category {
            padding: 72px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .hero-category__bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/3eee4dd6ae38d8cf.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
            pointer-events: none;
        }

        .hero-category__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(5, 31, 20, 0.7) 0%, rgba(5, 31, 20, 0.95) 100%);
            z-index: 1;
            pointer-events: none;
        }

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

        .hero-category__badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid var(--clr-border-gold-strong);
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--clr-primary-light);
            margin-bottom: 20px;
        }

        .hero-category__title {
            font-size: clamp(1.9rem, 5vw, 3rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
            color: var(--clr-text);
            max-width: 850px;
        }

        .hero-category__desc {
            font-size: 1.1rem;
            line-height: 1.7;
            color: var(--clr-text-muted);
            max-width: 700px;
            margin-bottom: 28px;
        }

        .hero-category__meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 24px;
        }

        .hero-category__meta-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--clr-text-soft);
        }

        .hero-category__meta-item i {
            color: var(--clr-primary-light);
        }

        /* Tip Cards */
        .tip-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-gold);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--clr-primary-grad);
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }

        .tip-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.2);
            border-color: var(--clr-border-gold-strong);
        }

        .tip-card__icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid var(--clr-border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--clr-primary-light);
            margin-bottom: 18px;
        }

        .tip-card__title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--clr-text);
        }

        .tip-card__desc {
            font-size: 0.95rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
        }

        /* Strategy block */
        .strategy-block {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .strategy-block__image {
            flex: 1 1 360px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--clr-border-gold);
            box-shadow: var(--shadow-card);
        }

        .strategy-block__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .strategy-block__content {
            flex: 1 1 400px;
        }

        .strategy-block__title {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--clr-text);
        }

        .strategy-block__text {
            font-size: 1rem;
            line-height: 1.7;
            color: var(--clr-text-muted);
            margin-bottom: 18px;
        }

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

        .strategy-block__list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 0.95rem;
            color: var(--clr-text-muted);
            line-height: 1.6;
        }

        .strategy-block__list li i {
            color: var(--clr-primary-light);
            margin-top: 4px;
            flex-shrink: 0;
        }

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

        .stat-item {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-gold);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition);
        }

        .stat-item:hover {
            border-color: var(--clr-border-gold-strong);
            box-shadow: 0 6px 22px rgba(245, 158, 11, 0.18);
        }

        .stat-item__value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--clr-primary-light);
            margin-bottom: 6px;
            line-height: 1.2;
        }

        .stat-item__label {
            font-size: 0.9rem;
            color: var(--clr-text-soft);
        }

        /* Mistake list */
        .mistake-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 16px;
        }

        .mistake-list__item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--clr-bg-card);
            border: 1px solid rgba(220, 38, 38, 0.25);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: all var(--transition);
        }

        .mistake-list__item:hover {
            border-color: rgba(220, 38, 38, 0.5);
            box-shadow: 0 4px 16px rgba(220, 38, 38, 0.1);
        }

        .mistake-list__icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(220, 38, 38, 0.15);
            border: 1px solid rgba(220, 38, 38, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #F87171;
            font-size: 0.95rem;
            flex-shrink: 0;
            margin-top: 4px;
        }

        .mistake-list__title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--clr-text);
            margin-bottom: 4px;
        }

        .mistake-list__desc {
            font-size: 0.9rem;
            line-height: 1.55;
            color: var(--clr-text-muted);
        }

        /* Scenario cards */
        .scenario-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-gold);
            border-radius: var(--radius-lg);
            padding: 24px;
            height: 100%;
            transition: all var(--transition);
            position: relative;
        }

        .scenario-card:hover {
            transform: translateY(-3px);
            border-color: var(--clr-border-gold-strong);
            box-shadow: 0 6px 22px rgba(0, 0, 0, 0.3);
        }

        .scenario-card__tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid var(--clr-border-gold);
            color: var(--clr-primary-light);
            margin-bottom: 14px;
        }

        .scenario-card__title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--clr-text);
        }

        .scenario-card__desc {
            font-size: 0.92rem;
            line-height: 1.6;
            color: var(--clr-text-muted);
        }

        /* FAQ */
        .faq-item {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-gold);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--clr-text);
            transition: color var(--transition-fast);
            border: none;
            background: none;
            width: 100%;
            text-align: left;
        }

        .faq-item__question:hover {
            color: var(--clr-primary-light);
        }

        .faq-item__question i {
            color: var(--clr-primary-light);
            font-size: 0.85rem;
            transition: transform var(--transition-fast);
        }

        .faq-item__answer {
            display: none;
            padding: 0 20px 18px;
            font-size: 0.95rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
        }

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

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

        /* News list */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }

        .news-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-3px);
            border-color: var(--clr-border-gold-strong);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
        }

        .news-card__content {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card__title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--clr-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-card__title a {
            color: var(--clr-text);
        }

        .news-card__title a:hover {
            color: var(--clr-primary-light);
        }

        .news-card__summary {
            font-size: 0.9rem;
            line-height: 1.6;
            color: var(--clr-text-muted);
            margin-bottom: 12px;
            flex: 1;
        }

        .news-card__meta {
            font-size: 0.78rem;
            color: var(--clr-text-soft);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-card__meta i {
            color: var(--clr-primary-light);
        }

        /* Footer */
        .site-footer {
            background: var(--clr-bg-darker);
            border-top: 1px solid rgba(245, 158, 11, 0.18);
            padding: 56px 0 0;
            margin-top: 0;
        }

        .site-footer__top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .site-footer__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .site-footer__logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--clr-primary-grad);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #0B2E1E;
        }

        .site-footer__logo-text {
            font-weight: 800;
            font-size: 1rem;
            color: var(--clr-primary-light);
            line-height: 1.3;
        }

        .site-footer__desc {
            font-size: 0.9rem;
            line-height: 1.6;
            color: var(--clr-text-muted);
            margin-bottom: 16px;
            max-width: 400px;
        }

        .site-footer__badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .site-footer__badge {
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 700;
            background: rgba(245, 158, 11, 0.08);
            border: 1px solid var(--clr-border-gold);
            color: var(--clr-primary-light);
        }

        .site-footer__col-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--clr-text);
            margin-bottom: 16px;
        }

        .site-footer__links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .site-footer__link {
            font-size: 0.9rem;
            color: var(--clr-text-muted);
            transition: color var(--transition-fast);
        }

        .site-footer__link:hover {
            color: var(--clr-primary-light);
        }

        .site-footer__bottom {
            border-top: 1px solid rgba(245, 158, 11, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 0.82rem;
            color: var(--clr-text-soft);
        }

        /* FAB */
        .fab-royal {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--clr-bg-card);
            border: 2px solid var(--clr-primary);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--clr-primary-light);
            transition: all var(--transition);
            opacity: 0.85;
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab-royal:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 10px 35px rgba(245, 158, 11, 0.55);
        }

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

        .fab-royal__badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #DC2626;
            border: 2px solid #F8FAFC;
            box-shadow: 0 2px 8px rgba(220, 38, 38, 0.6);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
                --header-height: var(--header-height-mobile);
            }

            .site-footer__top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .main-nav__link {
                font-size: 0.85rem;
                padding: 8px 12px;
            }

            .main-nav__logo {
                font-size: 0.9rem;
            }

            .main-nav__logo-text {
                display: none;
            }

            .strategy-block {
                flex-direction: column;
                gap: 28px;
            }

            .strategy-block__image {
                flex: 1 1 100%;
                width: 100%;
            }

            .strategy-block__image img {
                aspect-ratio: 16/9;
            }

            .hero-category {
                padding: 48px 0 40px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .mistake-list {
                grid-template-columns: 1fr;
            }

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

            .section__header {
                margin-bottom: 28px;
            }
        }

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

            :root {
                --spacing-section: 44px;
            }

            .main-nav__link {
                font-size: 0.78rem;
                padding: 7px 10px;
            }

            .main-nav__logo {
                margin-right: 8px;
            }

            .main-nav__logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }

            .hero-category__title {
                font-size: 1.6rem;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-item__value {
                font-size: 1.7rem;
            }

            .stat-item {
                padding: 20px 14px;
            }

            .btn {
                padding: 12px 22px;
                font-size: 0.9rem;
            }

            .fab-royal {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
                left: 12px;
                bottom: 80px;
            }
        }

/* roulang page: category3 */
:root {
            --clr-primary: #F59E0B;
            --clr-primary-light: #FCD34D;
            --clr-primary-grad: linear-gradient(135deg, #F59E0B 0%, #FCD34D 60%, #FBBF24 100%);
            --clr-accent-red: #DC2626;
            --clr-bg-deep: #051F14;
            --clr-bg-dark: #0B2E1E;
            --clr-bg-darker: #072719;
            --clr-bg-card: #0D3322;
            --clr-text: #F8FAFC;
            --clr-text-muted: #D1FAE5;
            --clr-text-soft: #A3A375;
            --clr-border-gold: rgba(245, 158, 11, 0.3);
            --clr-border-gold-strong: rgba(245, 158, 11, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --font-main: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, 'Noto Sans', 'Noto Sans Vietnamese', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.18s ease;
            --spacing-section: 72px;
            --spacing-section-mobile: 44px;
            --max-width: 1200px;
            --header-height: 72px;
            --header-height-mobile: 62px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.6;
            color: var(--clr-text);
            background: var(--clr-bg-deep);
            background-image: radial-gradient(ellipse at top left, rgba(245, 158, 11, 0.05) 0%, transparent 55%),
                radial-gradient(ellipse at bottom right, rgba(220, 38, 38, 0.04) 0%, transparent 50%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast);
        }
        a:hover {
            color: var(--clr-primary-light);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--clr-primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: var(--spacing-section) 0;
            position: relative;
        }
        .section--alt {
            background: var(--clr-bg-dark);
            border-top: 1px solid rgba(245, 158, 11, 0.12);
            border-bottom: 1px solid rgba(245, 158, 11, 0.12);
        }
        .section__header {
            margin-bottom: 40px;
            max-width: 720px;
            text-align: left;
        }
        .section__label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--clr-primary-light);
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid var(--clr-border-gold);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 16px;
        }
        .section__title {
            font-size: clamp(1.75rem, 4vw, 2.5rem);
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--clr-text);
            line-height: 1.25;
        }
        .section__desc {
            font-size: 1.05rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
            max-width: 680px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.01em;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
            text-align: center;
        }
        .btn--gold {
            background: var(--clr-primary-grad);
            color: #0B2E1E;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.4);
            border: 1px solid rgba(252, 211, 77, 0.6);
        }
        .btn--gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.55);
            color: #0B2E1E;
        }
        .btn--gold:active {
            transform: translateY(1px) scale(0.98);
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
        }
        .btn--outline {
            background: transparent;
            color: var(--clr-text);
            border: 1.5px solid var(--clr-border-gold-strong);
            box-shadow: 0 0 0 rgba(0, 0, 0, 0);
        }
        .btn--outline:hover {
            background: rgba(245, 158, 11, 0.12);
            border-color: var(--clr-primary-light);
            color: var(--clr-primary-light);
            transform: translateY(-2px);
        }
        .btn--sm {
            padding: 10px 22px;
            font-size: 0.9rem;
        }
        .btn--lg {
            padding: 16px 36px;
            font-size: 1.1rem;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.18);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(5, 31, 20, 0.98);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
        }
        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }
        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--clr-text);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .site-logo__icon {
            font-size: 1.6rem;
            flex-shrink: 0;
        }
        .site-logo__text {
            background: var(--clr-primary-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.2;
            max-width: 380px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        @supports (-webkit-background-clip: text) {
            .site-logo__text {
                -webkit-text-fill-color: transparent;
                background-clip: text;
            }
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }
        .main-nav__link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--clr-text-muted);
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .main-nav__link:hover {
            color: var(--clr-primary-light);
            background: rgba(245, 158, 11, 0.08);
        }
        .main-nav__link.active {
            color: var(--clr-primary-light);
            background: rgba(245, 158, 11, 0.15);
            border-color: var(--clr-border-gold);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn--login {
            background: transparent;
            color: var(--clr-text);
            border: 1px solid var(--clr-border-gold-strong);
            border-radius: 999px;
            padding: 9px 20px;
            font-size: 0.88rem;
            font-weight: 600;
            transition: all var(--transition-fast);
        }
        .btn--login:hover {
            background: rgba(245, 158, 11, 0.1);
            color: var(--clr-primary-light);
            border-color: var(--clr-primary-light);
        }
        .btn--signup {
            background: var(--clr-primary-grad);
            color: #0B2E1E;
            border-radius: 999px;
            padding: 9px 22px;
            font-size: 0.88rem;
            font-weight: 700;
            border: 1px solid rgba(252, 211, 77, 0.6);
            box-shadow: 0 2px 12px rgba(245, 158, 11, 0.35);
            transition: all var(--transition);
        }
        .btn--signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
            color: #0B2E1E;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--clr-border-gold);
            background: rgba(245, 158, 11, 0.08);
            flex-shrink: 0;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--clr-primary-light);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(5, 31, 20, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 90;
            padding: 24px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
            border-top: 1px solid rgba(245, 158, 11, 0.2);
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav__link {
            display: block;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            background: var(--clr-bg-card);
            border: 1px solid rgba(245, 158, 11, 0.15);
            font-size: 1rem;
            font-weight: 600;
            color: var(--clr-text);
            transition: all var(--transition-fast);
        }
        .mobile-nav__link:hover,
        .mobile-nav__link.active {
            background: rgba(245, 158, 11, 0.15);
            border-color: var(--clr-border-gold-strong);
            color: var(--clr-primary-light);
        }
        .mobile-nav__actions {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }
        .mobile-nav__actions .btn {
            flex: 1;
        }

        /* Hero - Category */
        .hero-cat {
            padding-top: calc(var(--header-height) + 48px);
            padding-bottom: 64px;
            background: linear-gradient(165deg, var(--clr-bg-deep) 0%, var(--clr-bg-dark) 40%, var(--clr-bg-darker) 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-cat::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 70%;
            height: 100%;
            background: radial-gradient(ellipse, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }
        .hero-cat__inner {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-cat__content {
            max-width: 520px;
        }
        .hero-cat__badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid var(--clr-border-gold);
            color: var(--clr-primary-light);
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            border-radius: 999px;
            padding: 7px 18px;
            margin-bottom: 20px;
        }
        .hero-cat__title {
            font-size: clamp(2rem, 5vw, 3rem);
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 18px;
            color: var(--clr-text);
            letter-spacing: -0.01em;
        }
        .hero-cat__title .highlight {
            background: var(--clr-primary-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-cat__desc {
            font-size: 1.1rem;
            line-height: 1.7;
            color: var(--clr-text-muted);
            margin-bottom: 28px;
            max-width: 480px;
        }
        .hero-cat__cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .hero-cat__kpi {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(245, 158, 11, 0.2);
            padding-top: 24px;
        }
        .kpi-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .kpi-item__value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--clr-primary-light);
            line-height: 1.2;
        }
        .kpi-item__label {
            font-size: 0.85rem;
            color: var(--clr-text-soft);
            font-weight: 500;
        }
        .hero-cat__media {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-cat__phone {
            position: relative;
            width: 100%;
            max-width: 420px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 16px 60px rgba(0, 0, 0, 0.5), 0 0 50px rgba(245, 158, 11, 0.2);
            border: 3px solid rgba(245, 158, 11, 0.5);
            transform: rotate(2deg);
            transition: transform var(--transition);
        }
        .hero-cat__phone:hover {
            transform: rotate(0deg) scale(1.01);
        }
        .hero-cat__phone img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/5;
        }
        .hero-cat__float-badge {
            position: absolute;
            bottom: 24px;
            left: -20px;
            background: var(--clr-accent-red);
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 10px 22px;
            border-radius: 999px;
            box-shadow: 0 8px 24px rgba(220, 38, 38, 0.4);
            display: flex;
            align-items: center;
            gap: 8px;
            animation: pulse 2s ease-in-out infinite;
        }
        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        /* Steps section */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .step-card {
            background: var(--clr-bg-card);
            border: 1px solid rgba(245, 158, 11, 0.2);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            position: relative;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .step-card:hover {
            border-color: var(--clr-border-gold-strong);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        .step-card__num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--clr-primary-grad);
            color: #0B2E1E;
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 16px;
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
        }
        .step-card__title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--clr-text);
        }
        .step-card__desc {
            font-size: 0.92rem;
            line-height: 1.6;
            color: var(--clr-text-muted);
        }

        /* Benefits */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .benefit-card {
            background: var(--clr-bg-card);
            border: 1px solid rgba(245, 158, 11, 0.2);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .benefit-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--clr-primary-grad);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .benefit-card:hover {
            border-color: var(--clr-border-gold-strong);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        .benefit-card:hover::after {
            opacity: 1;
        }
        .benefit-card__icon {
            font-size: 2.2rem;
            margin-bottom: 14px;
            display: inline-block;
        }
        .benefit-card__title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--clr-text);
        }
        .benefit-card__desc {
            font-size: 0.92rem;
            line-height: 1.6;
            color: var(--clr-text-muted);
        }

        /* Device compatibility */
        .device-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .device-info__list {
            list-style: none;
            margin-top: 20px;
        }
        .device-info__list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(245, 158, 11, 0.15);
            font-size: 0.95rem;
            color: var(--clr-text-muted);
        }
        .device-info__list li:last-child {
            border-bottom: none;
        }
        .device-info__list .device-icon {
            font-size: 1.4rem;
            flex-shrink: 0;
        }
        .device-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .device-visual__img {
            max-width: 100%;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-gold);
            border: 2px solid var(--clr-border-gold-strong);
        }
        .device-visual__img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-xl);
        }

        /* Security */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .security-item {
            background: var(--clr-bg-card);
            border: 1px solid rgba(245, 158, 11, 0.2);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            text-align: left;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .security-item:hover {
            border-color: var(--clr-border-gold-strong);
            transform: translateY(-3px);
            box-shadow: var(--shadow-gold);
        }
        .security-item__icon {
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .security-item__title {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--clr-text);
        }
        .security-item__desc {
            font-size: 0.85rem;
            color: var(--clr-text-soft);
            line-height: 1.5;
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
        }
        .faq-item {
            background: var(--clr-bg-card);
            border: 1px solid rgba(245, 158, 11, 0.2);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--clr-border-gold-strong);
        }
        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--clr-text);
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-item__question:hover {
            color: var(--clr-primary-light);
        }
        .faq-item__toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.15);
            color: var(--clr-primary-light);
            font-size: 1.2rem;
            font-weight: 700;
            transition: transform var(--transition-fast);
        }
        .faq-item.open .faq-item__toggle {
            transform: rotate(45deg);
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--clr-text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
        }
        .faq-item.open .faq-item__answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* News / CMS list */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--clr-bg-card);
            border: 1px solid rgba(245, 158, 11, 0.2);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: var(--clr-border-gold-strong);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        .news-card__meta {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 20px 0;
            font-size: 0.78rem;
            color: var(--clr-text-soft);
        }
        .news-card__category {
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid var(--clr-border-gold);
            color: var(--clr-primary-light);
            padding: 2px 12px;
            border-radius: 999px;
            font-weight: 600;
        }
        .news-card__title {
            padding: 10px 20px 6px;
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--clr-text);
        }
        .news-card__title a:hover {
            color: var(--clr-primary-light);
        }
        .news-card__excerpt {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            line-height: 1.6;
            color: var(--clr-text-muted);
            flex-grow: 1;
        }
        .news-card__link {
            margin: 0 20px 18px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--clr-primary-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .news-card__link:hover {
            color: var(--clr-primary-light);
            text-decoration: underline;
        }
        .empty-state {
            grid-column: 1 / -1;
            background: var(--clr-bg-card);
            border: 1px dashed rgba(245, 158, 11, 0.4);
            border-radius: var(--radius-lg);
            padding: 40px 24px;
            text-align: center;
            color: var(--clr-text-soft);
            font-size: 1rem;
            font-weight: 500;
        }

        /* CTA band */
        .cta-band {
            background: linear-gradient(135deg, var(--clr-bg-darker) 0%, #0B2E1E 50%, var(--clr-bg-dark) 100%);
            border: 1px solid rgba(245, 158, 11, 0.25);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 60px rgba(245, 158, 11, 0.15);
        }
        .cta-band::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-band__title {
            font-size: clamp(1.5rem, 3.5vw, 2.2rem);
            font-weight: 800;
            color: var(--clr-text);
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .cta-band__desc {
            font-size: 1.05rem;
            color: var(--clr-text-muted);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.65;
            position: relative;
            z-index: 1;
        }
        .cta-band__actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--clr-bg-darker);
            border-top: 3px solid rgba(245, 158, 11, 0.3);
            padding: 56px 0 28px;
            margin-top: 0;
        }
        .site-footer__top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer__brand {
            max-width: 360px;
        }
        .site-footer__logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .site-footer__logo-icon {
            font-size: 1.8rem;
        }
        .site-footer__logo-text {
            font-size: 1rem;
            font-weight: 800;
            background: var(--clr-primary-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.3;
        }
        .site-footer__desc {
            font-size: 0.9rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
            margin-bottom: 18px;
        }
        .site-footer__badge-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .site-footer__badge {
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid var(--clr-border-gold);
            border-radius: 999px;
            padding: 5px 16px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--clr-primary-light);
        }
        .site-footer__col-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--clr-text);
            margin-bottom: 18px;
        }
        .site-footer__links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer__link {
            font-size: 0.9rem;
            color: var(--clr-text-muted);
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer__link:hover {
            color: var(--clr-primary-light);
        }
        .site-footer__bottom {
            border-top: 1px solid rgba(245, 158, 11, 0.15);
            padding-top: 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--clr-text-soft);
        }
        .site-footer__copyright {
            color: var(--clr-text-soft);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 80;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #FCD34D, #F59E0B 55%, #B45309 100%);
            border: 2px solid #FCD34D;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            cursor: pointer;
            transition: all var(--transition);
            opacity: 0.8;
            animation: fabFloat 3s ease-in-out infinite;
            touch-action: manipulation;
            user-select: none;
            -webkit-tap-highlight-color: transparent;
        }
        .fab:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 8px 35px rgba(245, 158, 11, 0.55);
            animation-play-state: paused;
        }
        .fab:active {
            transform: scale(0.95) translateY(2px);
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
        }
        .fab__badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 16px;
            height: 16px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #fff;
            box-shadow: 0 0 8px rgba(220, 38, 38, 0.6);
            animation: badgePulse 1.8s ease-in-out infinite;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes badgePulse {
            0%, 100% { transform: scale(1); box-shadow: 0 0 8px rgba(220, 38, 38, 0.6); }
            50% { transform: scale(1.15); box-shadow: 0 0 16px rgba(220, 38, 38, 0.9); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
                --header-height: var(--header-height-mobile);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-cat__inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-cat__content {
                max-width: 100%;
            }
            .hero-cat__media {
                max-width: 420px;
                margin: 0 auto;
            }
            .device-section {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer__top {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-nav {
                display: none;
            }
            .mobile-nav.open {
                display: flex;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: var(--spacing-section-mobile);
            }
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            .security-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .hero-cat {
                padding-top: calc(var(--header-height) + 28px);
                padding-bottom: 40px;
            }
            .hero-cat__title {
                font-size: 1.8rem;
            }
            .hero-cat__desc {
                font-size: 1rem;
            }
            .hero-cat__kpi {
                gap: 20px;
            }
            .kpi-item__value {
                font-size: 1.3rem;
            }
            .hero-cat__phone {
                max-width: 320px;
                transform: rotate(0deg);
            }
            .footer__top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer__top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-band {
                padding: 32px 20px;
            }
            .section__header {
                margin-bottom: 28px;
            }
            .site-header__inner {
                gap: 10px;
            }
            .site-logo {
                font-size: 0.85rem;
                gap: 6px;
            }
            .site-logo__text {
                max-width: 180px;
            }
            .btn--login,
            .btn--signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .header-actions {
                gap: 8px;
            }
            .site-logo__icon {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 520px) {
            .security-grid {
                grid-template-columns: 1fr;
            }
            .hero-cat__cta {
                flex-direction: column;
                gap: 10px;
            }
            .hero-cat__cta .btn {
                width: 100%;
            }
            .cta-band__actions {
                flex-direction: column;
                gap: 10px;
            }
            .cta-band__actions .btn {
                width: 100%;
            }
            .site-logo__text {
                max-width: 130px;
                font-size: 0.75rem;
            }
            .site-logo {
                font-size: 0.75rem;
            }
            .header-actions .btn--login,
            .header-actions .btn--signup {
                padding: 7px 12px;
                font-size: 0.75rem;
            }
            .step-card {
                padding: 20px 18px;
            }
            .benefit-card {
                padding: 20px 18px;
            }
            .faq-item__question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-item__answer {
                padding: 0 16px;
                font-size: 0.88rem;
            }
            .faq-item.open .faq-item__answer {
                padding: 0 16px 16px;
            }
            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
                bottom: 80px;
                left: 12px;
            }
        }

/* roulang page: category4 */
:root {
            --clr-primary: #F59E0B;
            --clr-primary-light: #FCD34D;
            --clr-primary-grad: linear-gradient(135deg, #F59E0B 0%, #FCD34D 60%, #FBBF24 100%);
            --clr-accent-red: #DC2626;
            --clr-bg-deep: #051F14;
            --clr-bg-dark: #0B2E1E;
            --clr-bg-darker: #072719;
            --clr-bg-card: #0D3322;
            --clr-text: #F8FAFC;
            --clr-text-muted: #D1FAE5;
            --clr-text-soft: #A3A375;
            --clr-border-gold: rgba(245, 158, 11, 0.3);
            --clr-border-gold-strong: rgba(245, 158, 11, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --font-main: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, 'Noto Sans', 'Noto Sans Vietnamese', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.18s ease;
            --spacing-section: 72px;
            --spacing-section-mobile: 44px;
            --max-width: 1200px;
            --header-height: 72px;
            --header-height-mobile: 62px;
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: var(--spacing-section-mobile);
                --header-height: var(--header-height-mobile);
            }
        }
        /* Base Reset & System */
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.6;
            color: var(--clr-text);
            background: var(--clr-bg-deep);
            background-image: radial-gradient(ellipse at top left, rgba(245, 158, 11, 0.05) 0%, transparent 55%),
                radial-gradient(ellipse at bottom right, rgba(220, 38, 38, 0.04) 0%, transparent 50%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--clr-primary-light);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--clr-primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: var(--spacing-section) 0;
            position: relative;
        }
        .section--alt {
            background: var(--clr-bg-dark);
            border-top: 1px solid rgba(245, 158, 11, 0.12);
            border-bottom: 1px solid rgba(245, 158, 11, 0.12);
        }
        .section__header {
            margin-bottom: 40px;
            max-width: 720px;
            text-align: left;
        }
        .section__header--left {
            text-align: left;
        }
        .section__label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--clr-primary-light);
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid var(--clr-border-gold);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 16px;
        }
        .section__title {
            font-size: clamp(1.75rem, 4vw, 2.5rem);
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--clr-text);
        }
        .section__desc {
            font-size: 1.05rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
            max-width: 680px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.01em;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
            text-align: center;
        }
        .btn--gold {
            background: var(--clr-primary-grad);
            color: #0B2E1E;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.4);
            border: 1px solid rgba(252, 211, 77, 0.6);
        }
        .btn--gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.55);
            color: #0B2E1E;
        }
        .btn--gold:active {
            transform: translateY(1px) scale(0.98);
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
        }
        .btn--outline {
            background: transparent;
            color: var(--clr-text);
            border: 1.5px solid var(--clr-border-gold-strong);
            box-shadow: 0 0 0 rgba(0, 0, 0, 0);
        }
        .btn--outline:hover {
            background: rgba(245, 158, 11, 0.12);
            color: var(--clr-primary-light);
            border-color: var(--clr-primary-light);
            transform: translateY(-2px);
        }
        .btn--outline:active {
            transform: translateY(1px) scale(0.98);
        }
        .btn--sm {
            padding: 10px 22px;
            font-size: 0.9rem;
        }
        .btn--lg {
            padding: 16px 36px;
            font-size: 1.08rem;
            font-weight: 800;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(5, 31, 20, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.18);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: nowrap;
        }
        .site-header__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 0;
        }
        .site-header__logo-icon {
            font-size: 1.8rem;
            line-height: 1;
        }
        .site-header__logo-text {
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--clr-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 320px;
        }
        .site-header__logo-text:hover {
            color: var(--clr-primary-light);
        }
        .site-header__toggle {
            display: none;
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid var(--clr-border-gold);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            color: var(--clr-primary-light);
            font-size: 1.25rem;
            line-height: 1;
            transition: all var(--transition-fast);
        }
        .site-header__toggle:hover,
        .site-header__toggle:focus-visible {
            background: rgba(245, 158, 11, 0.2);
            outline: 3px solid var(--clr-primary);
            outline-offset: 2px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }
        .main-nav__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--clr-text-muted);
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .main-nav__link:hover {
            color: var(--clr-primary-light);
            background: rgba(245, 158, 11, 0.08);
            border-color: rgba(245, 158, 11, 0.2);
        }
        .main-nav__link.active {
            color: #0B2E1E;
            background: var(--clr-primary-grad);
            border-color: rgba(252, 211, 77, 0.5);
            font-weight: 700;
            box-shadow: 0 2px 12px rgba(245, 158, 11, 0.3);
        }
        .main-nav__link.active:hover {
            color: #0B2E1E;
        }

        /* Hero */
        .hero-deposit {
            padding: 80px 0 72px;
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/fdd90d2988255e5e.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero-deposit::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(5, 31, 20, 0.95) 0%, rgba(5, 31, 20, 0.7) 45%, rgba(5, 31, 20, 0.88) 100%);
            z-index: 0;
        }
        .hero-deposit .container {
            position: relative;
            z-index: 1;
        }
        .hero-deposit__content {
            max-width: 720px;
            text-align: left;
        }
        .hero-deposit__badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(220, 38, 38, 0.2);
            border: 1px solid rgba(220, 38, 38, 0.5);
            color: #FCA5A5;
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
        }
        .hero-deposit__title {
            font-size: clamp(2rem, 5vw, 3.25rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--clr-text);
            margin-bottom: 20px;
            text-wrap: balance;
        }
        .hero-deposit__title .highlight {
            background: var(--clr-primary-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }
        .hero-deposit__desc {
            font-size: 1.12rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
            max-width: 560px;
            margin-bottom: 28px;
        }
        .hero-deposit__actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .hero-deposit__metrics {
            display: flex;
            align-items: center;
            gap: 0;
            flex-wrap: wrap;
            background: rgba(5, 31, 20, 0.6);
            border: 1px solid var(--clr-border-gold);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            backdrop-filter: blur(8px);
        }
        .hero-deposit__metric {
            padding: 0 24px;
            border-right: 1px solid rgba(245, 158, 11, 0.2);
            text-align: left;
            min-width: 120px;
        }
        .hero-deposit__metric:first-child {
            padding-left: 0;
        }
        .hero-deposit__metric:last-child {
            border-right: none;
            padding-right: 0;
        }
        .hero-deposit__metric-num {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--clr-primary-light);
            line-height: 1.2;
        }
        .hero-deposit__metric-label {
            font-size: 0.82rem;
            color: var(--clr-text-muted);
            font-weight: 500;
        }

        /* General Card */
        .card-custom {
            background: var(--clr-bg-card);
            border: 1px solid rgba(245, 158, 11, 0.2);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .card-custom::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--clr-primary-grad);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .card-custom:hover {
            border-color: var(--clr-border-gold-strong);
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
        }
        .card-custom:hover::before {
            opacity: 1;
        }
        .card-custom__icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid var(--clr-border-gold);
            font-size: 1.5rem;
            color: var(--clr-primary-light);
            margin-bottom: 18px;
        }
        .card-custom__title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--clr-text);
            margin-bottom: 10px;
        }
        .card-custom__desc {
            font-size: 0.95rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
            margin-bottom: 0;
        }
        .card-custom__tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--clr-accent-red);
            background: rgba(220, 38, 38, 0.15);
            border: 1px solid rgba(220, 38, 38, 0.4);
            border-radius: 999px;
            padding: 4px 12px;
            margin-bottom: 12px;
        }

        /* Payment Channel Badge */
        .payment-badge-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            padding: 0;
            margin: 0;
        }
        .payment-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 158, 11, 0.08);
            border: 1px solid var(--clr-border-gold);
            border-radius: 999px;
            padding: 10px 22px;
            font-weight: 700;
            font-size: 0.92rem;
            color: var(--clr-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .payment-badge:hover {
            background: rgba(245, 158, 11, 0.16);
            border-color: var(--clr-primary-light);
            color: var(--clr-primary-light);
            transform: translateY(-2px);
        }
        .payment-badge i {
            font-size: 1.1rem;
            color: var(--clr-primary-light);
        }

        /* Process Steps */
        .process-step {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            position: relative;
            padding-bottom: 28px;
        }
        .process-step:not(:last-child)::after {
            content: '';
            position: absolute;
            left: 28px;
            bottom: 0;
            top: 60px;
            width: 2px;
            background: linear-gradient(to bottom, rgba(245, 158, 11, 0.4), transparent);
        }
        .process-step__index {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--clr-primary-grad);
            color: #0B2E1E;
            font-weight: 800;
            font-size: 1.3rem;
            box-shadow: var(--shadow-gold);
            border: 2px solid rgba(252, 211, 77, 0.6);
            z-index: 1;
        }
        .process-step__body h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--clr-text);
            margin-bottom: 6px;
        }
        .process-step__body p {
            font-size: 0.95rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
            margin-bottom: 0;
        }

        /* FAQ */
        .faq-custom .accordion-item {
            background: var(--clr-bg-card);
            border: 1px solid rgba(245, 158, 11, 0.2);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        .faq-custom .accordion-button {
            background: transparent;
            color: var(--clr-text);
            font-weight: 700;
            font-size: 1rem;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
        }
        .faq-custom .accordion-button:not(.collapsed) {
            background: rgba(245, 158, 11, 0.08);
            color: var(--clr-primary-light);
            box-shadow: none;
        }
        .faq-custom .accordion-button::after {
            filter: invert(1) brightness(2);
        }
        .faq-custom .accordion-button:focus-visible {
            outline: 3px solid var(--clr-primary);
            outline-offset: -2px;
        }
        .faq-custom .accordion-body {
            color: var(--clr-text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
            padding: 8px 24px 22px;
        }

        /* Info list / CMS */
        .article-list-sm {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .article-list-sm__item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--clr-bg-card);
            border: 1px solid rgba(245, 158, 11, 0.2);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            transition: all var(--transition);
        }
        .article-list-sm__item:hover {
            border-color: var(--clr-border-gold-strong);
            transform: translateX(4px);
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
        }
        .article-list-sm__icon {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid var(--clr-border-gold);
            color: var(--clr-primary-light);
            font-size: 1.1rem;
        }
        .article-list-sm__body {
            flex: 1;
            min-width: 0;
        }
        .article-list-sm__title {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--clr-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 2px;
        }
        .article-list-sm__meta {
            font-size: 0.8rem;
            color: var(--clr-text-soft);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* CTA Panel */
        .cta-panel {
            background: var(--clr-bg-dark);
            border: 1px solid var(--clr-border-gold);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            background: var(--clr-primary-grad);
            border-radius: 50%;
            opacity: 0.06;
            pointer-events: none;
        }
        .cta-panel__title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--clr-text);
            margin-bottom: 14px;
        }
        .cta-panel__desc {
            font-size: 1.05rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
            max-width: 560px;
            margin-bottom: 24px;
        }
        .cta-panel__actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--clr-bg-darker);
            border-top: 1px solid rgba(245, 158, 11, 0.2);
            padding: 60px 0 28px;
            margin-top: 0;
        }
        .site-footer__top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer__brand {
            max-width: 380px;
        }
        .site-footer__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .site-footer__logo-icon {
            font-size: 2rem;
            line-height: 1;
        }
        .site-footer__logo-text {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--clr-text);
        }
        .site-footer__desc {
            font-size: 0.9rem;
            line-height: 1.65;
            color: var(--clr-text-muted);
            margin-bottom: 20px;
        }
        .site-footer__badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .site-footer__badge {
            display: inline-block;
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid var(--clr-border-gold);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--clr-primary-light);
        }
        .site-footer__col-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--clr-text);
            margin-bottom: 18px;
        }
        .site-footer__links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer__link {
            font-size: 0.9rem;
            color: var(--clr-text-muted);
            transition: color var(--transition-fast);
        }
        .site-footer__link:hover {
            color: var(--clr-primary-light);
        }
        .site-footer__bottom {
            border-top: 1px solid rgba(245, 158, 11, 0.15);
            padding-top: 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .site-footer__copyright {
            font-size: 0.82rem;
            color: var(--clr-text-soft);
        }
        .site-footer__legal {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .site-footer__legal a {
            font-size: 0.82rem;
            color: var(--clr-text-soft);
        }
        .site-footer__legal a:hover {
            color: var(--clr-primary-light);
        }

        /* FAB */
        .fab-custom {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #FCD34D 0%, #F59E0B 55%, #B45309 100%);
            border: 3px solid rgba(252, 211, 77, 0.8);
            box-shadow: var(--shadow-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #0B2E1E;
            opacity: 0.85;
            transition: all var(--transition);
            animation: fabFloat 2.8s ease-in-out infinite;
            touch-action: manipulation;
        }
        .fab-custom:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 10px 35px rgba(245, 158, 11, 0.55);
            color: #0B2E1E;
        }
        .fab-custom:active {
            transform: scale(0.95) translateY(2px);
            box-shadow: 0 2px 12px rgba(245, 158, 11, 0.3);
        }
        .fab-custom__badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 16px;
            height: 16px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #F8FAFC;
            box-shadow: 0 0 8px rgba(220, 38, 38, 0.7);
        }
        @keyframes fabFloat {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .site-footer__top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .site-footer__brand {
                max-width: 100%;
                grid-column: 1 / -1;
            }
            .hero-deposit {
                min-height: 480px;
                padding: 60px 0 56px;
            }
        }
        @media (max-width: 768px) {
            .site-header__inner {
                flex-wrap: wrap;
                gap: 10px;
            }
            .site-header__toggle {
                display: inline-flex;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                width: 100%;
                max-height: 420px;
                overflow-y: auto;
                background: rgba(5, 31, 20, 0.98);
                border: 1px solid var(--clr-border-gold);
                border-radius: var(--radius-md);
                padding: 12px;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
                z-index: 200;
            }
            .main-nav.is-open {
                display: flex;
            }
            .main-nav__link {
                width: 100%;
                text-align: left;
                border-radius: var(--radius-sm);
            }
            .site-header {
                height: auto;
                min-height: var(--header-height-mobile);
                position: sticky;
                top: 0;
            }
            .site-header__inner {
                position: relative;
                align-items: center;
                flex-wrap: wrap;
                padding-top: 8px;
                padding-bottom: 8px;
            }
            .hero-deposit {
                min-height: 420px;
                padding: 50px 0 48px;
            }
            .hero-deposit__metrics {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
                padding: 14px 16px;
            }
            .hero-deposit__metric {
                padding: 0;
                border-right: none;
                border-bottom: 1px solid rgba(245, 158, 11, 0.2);
                padding-bottom: 10px;
            }
            .hero-deposit__metric:last-child {
                border-bottom: none;
                padding-bottom: 0;
            }
            .cta-panel {
                padding: 36px 24px;
            }
            .process-step {
                gap: 16px;
            }
            .process-step__index {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
            .article-list-sm__item {
                padding: 12px 14px;
                gap: 12px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-header__logo-text {
                font-size: 0.95rem;
                max-width: 180px;
            }
            .hero-deposit__title {
                font-size: 1.7rem;
            }
            .hero-deposit__desc {
                font-size: 1rem;
            }
            .hero-deposit__actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-deposit__actions .btn {
                width: 100%;
            }
            .btn--lg {
                padding: 14px 24px;
                font-size: 1rem;
            }
            .site-footer__top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .fab-custom {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
                left: 12px;
                bottom: 80px;
            }
            .payment-badge {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .section {
                padding: var(--spacing-section-mobile) 0;
            }
            .section__title {
                font-size: 1.6rem;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}