/* roulang page: index */
:root {
        --bg-primary: #121212;
        --bg-secondary: #1C1C1E;
        --bg-tertiary: #242428;
        --bg-card: #1A1A1C;
        --bg-elevated: #2A2A2E;
        --accent-gold: #C5A059;
        --accent-amber: #FFBF00;
        --accent-bright: #FFD700;
        --accent-dim: #8B7D4A;
        --text-primary: #F5F5F7;
        --text-secondary: #D4AC0D;
        --text-muted: #A6A6B0;
        --text-faint: #6E6E76;
        --border-color: rgba(197, 160, 89, 0.25);
        --border-strong: rgba(197, 160, 89, 0.5);
        --success: #2EBC6D;
        --danger: #E05252;
        --info: #4A9DE0;
        --warning: #E8A23D;
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --radius-full: 999px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
        --shadow-md: 0 6px 20px rgba(0,0,0,0.4);
        --shadow-lg: 0 12px 36px rgba(0,0,0,0.55);
        --shadow-gold: 0 4px 20px rgba(197, 160, 89, 0.25);
        --shadow-gold-lg: 0 8px 40px rgba(197, 160, 89, 0.35);
        --transition-fast: 0.2s ease;
        --transition-base: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
        --transition-slow: 0.55s cubic-bezier(0.25, 0.8, 0.25, 1);
        --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
        --container-xl: 1280px;
        --container-lg: 1120px;
        --container-md: 900px;
        --spacing-x: clamp(1rem, 4vw, 3rem);
        --section-padding: clamp(4rem, 7vw, 7rem);
    }

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

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

    body {
        font-family: var(--font-body);
        font-size: 16px;
        line-height: 1.65;
        color: var(--text-primary);
        background: var(--bg-primary);
        min-height: 100vh;
        overflow-x: hidden;
    }

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

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

    a:hover {
        color: var(--accent-bright);
    }

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

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

    button {
        cursor: pointer;
        border: none;
        background: none;
    }

    ul, ol {
        list-style: none;
    }

    h1, h2, h3, h4, h5, h6 {
        font-weight: 700;
        line-height: 1.3;
        color: var(--text-primary);
    }

    h1 {
        font-size: clamp(1.8rem, 4.5vw, 2.8rem);
        letter-spacing: -0.02em;
    }

    h2 {
        font-size: clamp(1.5rem, 3.2vw, 2.2rem);
        letter-spacing: -0.01em;
    }

    h3 {
        font-size: clamp(1.15rem, 2.2vw, 1.4rem);
    }

    .container {
        width: 100%;
        max-width: var(--container-xl);
        margin: 0 auto;
        padding: 0 var(--spacing-x);
    }

    .container-narrow {
        max-width: var(--container-md);
    }

    .container-medium {
        max-width: var(--container-lg);
    }

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

    .section-tight {
        padding: clamp(2rem, 4vw, 4rem) 0;
    }

    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.8rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.12em;
        color: var(--accent-gold);
        margin-bottom: 16px;
    }

    .section-label::before {
        content: '';
        display: inline-block;
        width: 24px;
        height: 2px;
        background: var(--accent-gold);
        border-radius: 2px;
    }

    .section-title {
        margin-bottom: 16px;
        text-wrap: balance;
    }

    .section-desc {
        color: var(--text-muted);
        font-size: 1.02rem;
        max-width: 700px;
        margin-bottom: 3rem;
        line-height: 1.7;
    }

    .section-desc-left {
        margin-left: 0;
        margin-right: auto;
        text-align: left;
    }

    /* ============ HEADER / NAV ============ */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: rgba(18, 18, 18, 0.92);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border-bottom: 1px solid rgba(197, 160, 89, 0.2);
        transition: background var(--transition-base), box-shadow var(--transition-base);
    }

    .site-header.scrolled {
        background: rgba(18, 18, 18, 0.98);
        box-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
        border-bottom-color: rgba(197, 160, 89, 0.35);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 72px;
        gap: 1.5rem;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 1.15rem;
        color: var(--text-primary);
        letter-spacing: -0.01em;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .logo:hover {
        color: var(--text-primary);
    }

    .logo-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
        color: #1A1A1C;
        font-weight: 800;
        font-size: 1.1rem;
        flex-shrink: 0;
        box-shadow: var(--shadow-gold);
    }

    .logo-text {
        display: flex;
        flex-direction: column;
        line-height: 1.15;
    }

    .logo-title {
        font-weight: 700;
        font-size: 1.05rem;
        color: var(--text-primary);
    }

    .logo-sub {
        font-size: 0.7rem;
        font-weight: 500;
        color: var(--accent-gold);
        letter-spacing: 0.04em;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 0.3rem;
        flex: 1;
        justify-content: center;
    }

    .main-nav a.nav-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 10px 16px;
        border-radius: var(--radius-full);
        font-size: 0.92rem;
        font-weight: 500;
        color: var(--text-muted);
        transition: color var(--transition-fast), background var(--transition-fast);
        white-space: nowrap;
    }

    .main-nav a.nav-link:hover {
        color: var(--text-primary);
        background: rgba(197, 160, 89, 0.08);
    }

    .main-nav a.nav-link.active {
        color: var(--accent-bright);
        background: rgba(197, 160, 89, 0.12);
        font-weight: 600;
    }

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

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 24px;
        border-radius: var(--radius-full);
        font-weight: 600;
        font-size: 0.95rem;
        transition: all var(--transition-fast);
        white-space: nowrap;
        letter-spacing: 0.01em;
    }

    .btn-sm {
        padding: 9px 18px;
        font-size: 0.85rem;
    }

    .btn-lg {
        padding: 16px 32px;
        font-size: 1.02rem;
    }

    .btn-outline {
        background: transparent;
        color: var(--text-primary);
        border: 1.5px solid rgba(197, 160, 89, 0.45);
    }

    .btn-outline:hover {
        border-color: var(--accent-bright);
        color: var(--accent-bright);
        background: rgba(197, 160, 89, 0.08);
        transform: translateY(-1px);
    }

    .btn-gold {
        background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
        color: #1A1A1C;
        border: none;
        box-shadow: var(--shadow-gold);
    }

    .btn-gold:hover {
        box-shadow: var(--shadow-gold-lg);
        transform: translateY(-2px);
        filter: brightness(1.05);
        color: #1A1A1C;
    }

    .btn-gold:active {
        transform: translateY(0);
        filter: brightness(0.95);
        box-shadow: var(--shadow-sm);
    }

    .btn-dark {
        background: var(--bg-elevated);
        color: var(--text-primary);
        border: 1px solid var(--border-color);
    }

    .btn-dark:hover {
        border-color: var(--accent-gold);
        color: var(--accent-bright);
        transform: translateY(-1px);
    }

    .btn-success {
        background: linear-gradient(135deg, #1E8A4C, #2EBC6D);
        color: #fff;
        border: none;
        box-shadow: 0 4px 16px rgba(46, 188, 109, 0.3);
    }

    .btn-success:hover {
        filter: brightness(1.08);
        transform: translateY(-2px);
        box-shadow: 0 6px 24px rgba(46, 188, 109, 0.4);
    }

    .nav-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        padding: 8px;
        background: transparent;
        border: none;
        cursor: pointer;
    }

    .nav-toggle span {
        display: block;
        width: 26px;
        height: 2px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: transform var(--transition-fast), opacity 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 ============ */
    .mobile-nav {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(18, 18, 18, 0.98);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border-bottom: 1px solid rgba(197, 160, 89, 0.25);
        padding: 16px var(--spacing-x);
        z-index: 999;
        flex-direction: column;
        gap: 8px;
        max-height: calc(100vh - 72px);
        overflow-y: auto;
    }

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

    .mobile-nav a.nav-link {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 14px 16px;
        border-radius: var(--radius-md);
        font-size: 1rem;
        font-weight: 500;
        color: var(--text-primary);
        transition: background var(--transition-fast);
    }

    .mobile-nav a.nav-link:hover,
    .mobile-nav a.nav-link.active {
        background: rgba(197, 160, 89, 0.12);
        color: var(--accent-bright);
    }

    /* ============ HERO ============ */
    .hero {
        position: relative;
        min-height: 100vh;
        display: flex;
        align-items: center;
        padding: 120px 0 80px;
        background: radial-gradient(ellipse at 30% 20%, rgba(197, 160, 89, 0.12) 0%, transparent 60%),
                    radial-gradient(ellipse at 70% 70%, rgba(20, 50, 30, 0.5) 0%, transparent 55%),
                    var(--bg-primary);
        overflow: hidden;
    }

    .hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-image: url('/assets/images/backpic/back-1.jpg');
        background-size: cover;
        background-position: center;
        opacity: 0.25;
        pointer-events: none;
        z-index: 1;
    }

    .hero::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(180deg, rgba(18, 18, 18, 0.7) 0%, rgba(18, 18, 18, 0.4) 50%, rgba(18, 18, 18, 0.85) 100%);
        pointer-events: none;
        z-index: 2;
    }

    .hero .container {
        position: relative;
        z-index: 3;
    }

    .hero-inner {
        display: flex;
        flex-direction: column;
        gap: 2.5rem;
        max-width: 100%;
    }

    .hero-top {
        max-width: 780px;
        text-align: left;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(197, 160, 89, 0.15);
        border: 1px solid rgba(197, 160, 89, 0.35);
        border-radius: var(--radius-full);
        padding: 6px 16px;
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--accent-gold);
        letter-spacing: 0.05em;
        margin-bottom: 20px;
    }

    .hero-badge .dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--success);
        animation: pulse-dot 2s infinite;
    }

    @keyframes pulse-dot {
        0%, 100% { opacity: 1; transform: scale(1); }
        50% { opacity: 0.5; transform: scale(1.3); }
    }

    .hero h1 {
        margin-bottom: 20px;
        line-height: 1.25;
        text-wrap: balance;
    }

    .hero h1 .highlight {
        background: linear-gradient(135deg, var(--accent-bright), var(--accent-amber));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .hero-sub {
        font-size: 1.05rem;
        color: var(--text-muted);
        line-height: 1.75;
        max-width: 650px;
        margin-bottom: 28px;
    }

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

    .hero-stats {
        display: flex;
        gap: 2rem;
        flex-wrap: wrap;
        margin-top: 28px;
        padding-top: 24px;
        border-top: 1px solid rgba(197, 160, 89, 0.2);
    }

    .hero-stat {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .hero-stat-number {
        font-size: 2rem;
        font-weight: 800;
        color: var(--accent-bright);
        letter-spacing: -0.02em;
        line-height: 1;
    }

    .hero-stat-label {
        font-size: 0.83rem;
        color: var(--text-muted);
        font-weight: 500;
    }

    .hero-bottom {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
        align-items: stretch;
    }

    .hero-progress-card {
        background: rgba(28, 28, 30, 0.85);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid rgba(197, 160, 89, 0.3);
        border-radius: var(--radius-lg);
        padding: 2rem;
        display: flex;
        align-items: center;
        gap: 2rem;
        transition: border-color var(--transition-base), box-shadow var(--transition-base);
    }

    .hero-progress-card:hover {
        border-color: var(--accent-gold);
        box-shadow: var(--shadow-gold);
    }

    .progress-ring-wrapper {
        position: relative;
        flex-shrink: 0;
        width: 120px;
        height: 120px;
    }

    .progress-ring-wrapper svg {
        transform: rotate(-90deg);
        width: 120px;
        height: 120px;
    }

    .progress-ring-bg {
        fill: none;
        stroke: rgba(197, 160, 89, 0.15);
        stroke-width: 8;
    }

    .progress-ring-fill {
        fill: none;
        stroke: url(#goldGradient);
        stroke-width: 8;
        stroke-linecap: round;
        stroke-dasharray: 326.73;
        stroke-dashoffset: 0;
        transition: stroke-dashoffset 1.5s cubic-bezier(0.25, 0.8, 0.25, 1);
        animation: progress-anim 2s ease-out forwards;
    }

    @keyframes progress-anim {
        from { stroke-dashoffset: 326.73; }
        to { stroke-dashoffset: 0; }
    }

    .progress-ring-center {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        text-align: center;
    }

    .progress-ring-center .percent {
        font-size: 1.65rem;
        font-weight: 800;
        color: var(--accent-bright);
        line-height: 1.1;
    }

    .progress-ring-center .label {
        font-size: 0.7rem;
        color: var(--text-muted);
        font-weight: 500;
    }

    .hero-progress-info h3 {
        font-size: 1.15rem;
        margin-bottom: 8px;
        color: var(--text-primary);
    }

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

    .hero-tiers {
        display: flex;
        flex-direction: column;
        gap: 12px;
        justify-content: center;
    }

    .hero-tiers h3 {
        font-size: 0.95rem;
        color: var(--accent-gold);
        margin-bottom: 4px;
        text-transform: uppercase;
        letter-spacing: 0.06em;
    }

    .tier-item {
        display: flex;
        align-items: center;
        gap: 14px;
        background: rgba(28, 28, 30, 0.7);
        border: 1px solid rgba(197, 160, 89, 0.2);
        border-radius: var(--radius-md);
        padding: 12px 18px;
        cursor: pointer;
        transition: all var(--transition-fast);
    }

    .tier-item:hover {
        border-color: var(--accent-gold);
        background: rgba(197, 160, 89, 0.06);
        transform: translateX(4px);
    }

    .tier-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background: rgba(197, 160, 89, 0.12);
        font-size: 1.2rem;
        flex-shrink: 0;
    }

    .tier-info {
        flex: 1;
    }

    .tier-info .tier-name {
        font-weight: 600;
        font-size: 0.92rem;
        color: var(--text-primary);
    }

    .tier-info .tier-detail {
        font-size: 0.78rem;
        color: var(--text-muted);
    }

    .tier-badge {
        font-size: 0.7rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        padding: 4px 10px;
        border-radius: var(--radius-full);
        background: rgba(197, 160, 89, 0.2);
        color: var(--accent-gold);
        flex-shrink: 0;
    }

    .tier-badge.hot {
        background: rgba(224, 82, 82, 0.2);
        color: var(--danger);
    }

    /* ============ TRUST BAR ============ */
    .trust-bar {
        background: var(--bg-secondary);
        border-top: 1px solid rgba(197, 160, 89, 0.2);
        border-bottom: 1px solid rgba(197, 160, 89, 0.2);
        padding: 20px 0;
    }

    .trust-bar-inner {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 1.5rem;
    }

    .trust-item {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 0.87rem;
        color: var(--text-muted);
        font-weight: 500;
    }

    .trust-item .icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: rgba(197, 160, 89, 0.1);
        font-size: 1.1rem;
        flex-shrink: 0;
    }

    /* ============ CMS NEWS SECTION ============ */
    .news-section {
        background: var(--bg-primary);
    }

    .news-layout {
        display: grid;
        grid-template-columns: 1.4fr 0.6fr;
        gap: 2.5rem;
        align-items: start;
    }

    .news-list {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .news-item {
        display: flex;
        align-items: flex-start;
        gap: 16px;
        padding: 18px 20px;
        background: var(--bg-card);
        border: 1px solid rgba(197, 160, 89, 0.15);
        border-radius: var(--radius-md);
        transition: all var(--transition-base);
    }

    .news-item:hover {
        border-color: var(--accent-gold);
        background: var(--bg-elevated);
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    .news-item-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        border-radius: var(--radius-sm);
        background: rgba(197, 160, 89, 0.12);
        font-size: 1.1rem;
        flex-shrink: 0;
    }

    .news-item-content {
        flex: 1;
        min-width: 0;
    }

    .news-item-title {
        font-weight: 600;
        font-size: 0.95rem;
        color: var(--text-primary);
        line-height: 1.45;
        margin-bottom: 4px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .news-item-title a {
        color: inherit;
    }

    .news-item-title a:hover {
        color: var(--accent-bright);
    }

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

    .news-item-meta .category {
        font-weight: 600;
        color: var(--accent-gold);
    }

    .news-empty {
        padding: 40px 20px;
        text-align: center;
        font-size: 1rem;
        color: var(--text-faint);
        background: var(--bg-card);
        border: 1px dashed rgba(197, 160, 89, 0.25);
        border-radius: var(--radius-md);
    }

    .news-sidebar {
        display: flex;
        flex-direction: column;
        gap: 20px;
        position: sticky;
        top: 90px;
    }

    .sidebar-card {
        background: var(--bg-card);
        border: 1px solid rgba(197, 160, 89, 0.2);
        border-radius: var(--radius-lg);
        padding: 1.5rem;
    }

    .sidebar-card h3 {
        font-size: 1rem;
        margin-bottom: 14px;
        color: var(--accent-gold);
    }

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

    .sidebar-list a {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 0.88rem;
        color: var(--text-muted);
        padding: 8px 0;
        border-bottom: 1px solid rgba(197, 160, 89, 0.1);
        transition: color var(--transition-fast);
    }

    .sidebar-list a:last-child {
        border-bottom: none;
    }

    .sidebar-list a:hover {
        color: var(--accent-bright);
    }

    .sidebar-list .arrow {
        font-size: 0.75rem;
        color: var(--accent-gold);
    }

    /* ============ FOCUS TOPICS ============ */
    .topics-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .topic-card {
        background: var(--bg-card);
        border: 1px solid rgba(197, 160, 89, 0.2);
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: all var(--transition-base);
        display: flex;
        flex-direction: column;
    }

    .topic-card:hover {
        border-color: var(--accent-gold);
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
    }

    .topic-card-image {
        height: 180px;
        overflow: hidden;
        position: relative;
    }

    .topic-card-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-slow);
    }

    .topic-card:hover .topic-card-image img {
        transform: scale(1.06);
    }

    .topic-card-image::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(180deg, transparent 40%, rgba(18, 18, 18, 0.7) 100%);
    }

    .topic-card-body {
        padding: 1.25rem 1.5rem 1.5rem;
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .topic-card-body h3 {
        font-size: 1.15rem;
        color: var(--text-primary);
    }

    .topic-card-body p {
        font-size: 0.88rem;
        color: var(--text-muted);
        line-height: 1.65;
        flex: 1;
    }

    .topic-tag {
        font-size: 0.72rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.06em;
        color: var(--accent-gold);
    }

    /* ============ GETTING STARTED ============ */
    .steps-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem;
        counter-reset: step;
    }

    .step-card {
        background: var(--bg-card);
        border: 1px solid rgba(197, 160, 89, 0.18);
        border-radius: var(--radius-lg);
        padding: 1.75rem 1.5rem;
        transition: all var(--transition-base);
        position: relative;
        counter-increment: step;
    }

    .step-card::before {
        content: counter(step);
        position: absolute;
        top: 1rem;
        right: 1.25rem;
        font-size: 2.5rem;
        font-weight: 800;
        color: rgba(197, 160, 89, 0.15);
        line-height: 1;
    }

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

    .step-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 48px;
        height: 48px;
        border-radius: var(--radius-sm);
        background: rgba(197, 160, 89, 0.12);
        font-size: 1.35rem;
        margin-bottom: 14px;
    }

    .step-card h3 {
        font-size: 1.05rem;
        margin-bottom: 8px;
    }

    .step-card p {
        font-size: 0.86rem;
        color: var(--text-muted);
        line-height: 1.6;
    }

    /* ============ SERVICES / FEATURES ============ */
    .services-section {
        background: var(--bg-secondary);
    }

    .services-layout {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
        align-items: center;
    }

    .services-image {
        border-radius: var(--radius-xl);
        overflow: hidden;
        border: 1px solid rgba(197, 160, 89, 0.25);
        box-shadow: var(--shadow-lg);
        position: relative;
    }

    .services-image img {
        width: 100%;
        height: 100%;
        min-height: 380px;
        object-fit: cover;
        transition: transform var(--transition-slow);
    }

    .services-image:hover img {
        transform: scale(1.04);
    }

    .services-image::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(197, 160, 89, 0.15) 0%, transparent 40%);
        pointer-events: none;
    }

    .services-feature-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .feature-item {
        display: flex;
        gap: 14px;
        align-items: flex-start;
        padding: 16px 18px;
        background: var(--bg-card);
        border: 1px solid rgba(197, 160, 89, 0.15);
        border-radius: var(--radius-md);
        transition: all var(--transition-fast);
    }

    .feature-item:hover {
        border-color: var(--accent-gold);
        background: var(--bg-elevated);
        transform: translateX(4px);
    }

    .feature-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: rgba(197, 160, 89, 0.12);
        font-size: 1.2rem;
        flex-shrink: 0;
    }

    .feature-item h3 {
        font-size: 0.98rem;
        margin-bottom: 4px;
    }

    .feature-item p {
        font-size: 0.85rem;
        color: var(--text-muted);
        line-height: 1.55;
    }

    /* ============ REWARDS PREVIEW ============ */
    .rewards-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .reward-card {
        background: var(--bg-card);
        border: 1px solid rgba(197, 160, 89, 0.2);
        border-radius: var(--radius-lg);
        padding: 1.75rem 1.5rem;
        text-align: center;
        transition: all var(--transition-base);
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

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

    .reward-card.winner {
        border-color: var(--accent-bright);
        background: linear-gradient(135deg, rgba(197, 160, 89, 0.1), rgba(255, 191, 0, 0.08));
    }

    .reward-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 64px;
        height: 64px;
        border-radius: 50%;
        background: linear-gradient(135deg, rgba(197, 160, 89, 0.2), rgba(255, 191, 0, 0.15));
        font-size: 1.8rem;
    }

    .reward-card h3 {
        font-size: 1.1rem;
    }

    .reward-card p {
        font-size: 0.85rem;
        color: var(--text-muted);
        line-height: 1.55;
    }

    .reward-amount {
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--accent-bright);
    }

    .reward-tag {
        display: inline-block;
        font-size: 0.7rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        padding: 4px 12px;
        border-radius: var(--radius-full);
        background: rgba(197, 160, 89, 0.15);
        color: var(--accent-gold);
    }

    /* ============ APP DOWNLOAD ============ */
    .app-section {
        background: linear-gradient(135deg, rgba(197, 160, 89, 0.06) 0%, rgba(28, 28, 30, 0.8) 50%, rgba(18, 18, 18, 0.95) 100%);
        border-top: 1px solid rgba(197, 160, 89, 0.15);
        border-bottom: 1px solid rgba(197, 160, 89, 0.15);
    }

    .app-layout {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
        align-items: center;
    }

    .app-content h3 {
        font-size: 1.05rem;
        color: var(--accent-gold);
        margin-bottom: 8px;
    }

    .app-content h2 {
        margin-bottom: 14px;
    }

    .app-content p {
        color: var(--text-muted);
        font-size: 0.95rem;
        line-height: 1.7;
        margin-bottom: 24px;
    }

    .app-badges {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
    }

    .app-badge {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 14px 20px;
        background: var(--bg-card);
        border: 1px solid rgba(197, 160, 89, 0.3);
        border-radius: var(--radius-md);
        transition: all var(--transition-fast);
        cursor: pointer;
    }

    .app-badge:hover {
        border-color: var(--accent-bright);
        transform: translateY(-2px);
        box-shadow: var(--shadow-gold);
    }

    .app-badge .plat-icon {
        font-size: 1.6rem;
    }

    .app-badge .plat-text {
        display: flex;
        flex-direction: column;
    }

    .app-badge .plat-text .small {
        font-size: 0.7rem;
        color: var(--text-muted);
    }

    .app-badge .plat-text .big {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--text-primary);
    }

    .app-image {
        border-radius: var(--radius-xl);
        overflow: hidden;
        border: 1px solid rgba(197, 160, 89, 0.25);
        box-shadow: var(--shadow-lg);
    }

    .app-image img {
        width: 100%;
        min-height: 320px;
        object-fit: cover;
        transition: transform var(--transition-slow);
    }

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

    /* ============ RANKING LIST ============ */
    .ranking-table {
        width: 100%;
        border-collapse: collapse;
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid rgba(197, 160, 89, 0.2);
    }

    .ranking-table thead {
        background: rgba(197, 160, 89, 0.1);
    }

    .ranking-table th {
        padding: 14px 18px;
        text-align: left;
        font-size: 0.8rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: var(--accent-gold);
        border-bottom: 1px solid rgba(197, 160, 89, 0.25);
    }

    .ranking-table td {
        padding: 12px 18px;
        font-size: 0.9rem;
        border-bottom: 1px solid rgba(197, 160, 89, 0.1);
        color: var(--text-muted);
    }

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

    .ranking-table tr:hover td {
        background: rgba(197, 160, 89, 0.04);
        color: var(--text-primary);
    }

    .rank-badge {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        font-weight: 700;
        font-size: 0.8rem;
    }

    .rank-badge.top1 {
        background: linear-gradient(135deg, #FFD700, #FFBF00);
        color: #1A1A1C;
    }

    .rank-badge.top2 {
        background: linear-gradient(135deg, #C0C0C0, #A8A8A8);
        color: #1A1A1C;
    }

    .rank-badge.top3 {
        background: linear-gradient(135deg, #CD7F32, #B87320);
        color: #fff;
    }

    .rank-badge.default {
        background: rgba(197, 160, 89, 0.15);
        color: var(--text-muted);
    }

    .rank-trend {
        font-weight: 600;
        font-size: 0.78rem;
    }

    .rank-trend.up {
        color: var(--success);
    }

    .rank-trend.down {
        color: var(--danger);
    }

    /* ============ FAQ ============ */
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
        max-width: var(--container-md);
        margin: 0 auto;
    }

    .faq-item {
        background: var(--bg-card);
        border: 1px solid rgba(197, 160, 89, 0.2);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: all var(--transition-base);
    }

    .faq-item:hover {
        border-color: rgba(197, 160, 89, 0.4);
    }

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

    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 22px;
        cursor: pointer;
        font-weight: 600;
        font-size: 0.95rem;
        color: var(--text-primary);
        transition: color var(--transition-fast);
        width: 100%;
        text-align: left;
        background: none;
        border: none;
        font-family: inherit;
    }

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

    .faq-toggle {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(197, 160, 89, 0.12);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.85rem;
        color: var(--accent-gold);
        transition: transform var(--transition-fast);
    }

    .faq-item.active .faq-toggle {
        transform: rotate(45deg);
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-slow);
    }

    .faq-item.active .faq-answer {
        max-height: 300px;
    }

    .faq-answer-inner {
        padding: 0 22px 20px;
        font-size: 0.9rem;
        color: var(--text-muted);
        line-height: 1.7;
    }

    /* ============ ABOUT / TRUST ============ */
    .about-section {
        background: var(--bg-secondary);
        border-top: 1px solid rgba(197, 160, 89, 0.15);
    }

    .about-layout {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
        align-items: center;
    }

    .about-content {
        display: flex;
        flex-direction: column;
        gap: 18px;
    }

    .about-content p {
        color: var(--text-muted);
        font-size: 0.92rem;
        line-height: 1.75;
    }

    .about-highlights {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 14px;
        margin-top: 8px;
    }

    .about-highlight {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 12px 14px;
        background: var(--bg-card);
        border: 1px solid rgba(197, 160, 89, 0.18);
        border-radius: var(--radius-sm);
        font-size: 0.85rem;
        color: var(--text-primary);
        font-weight: 500;
    }

    .about-highlight .check {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: rgba(46, 188, 109, 0.2);
        color: var(--success);
        font-size: 0.7rem;
        flex-shrink: 0;
    }

    .about-visual {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .about-visual-main {
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid rgba(197, 160, 89, 0.25);
    }

    .about-visual-main img {
        width: 100%;
        min-height: 280px;
        object-fit: cover;
        transition: transform var(--transition-slow);
    }

    .about-visual-main:hover img {
        transform: scale(1.04);
    }

    .about-visual-side {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .about-visual-side img {
        height: 130px;
        object-fit: cover;
        border-radius: var(--radius-md);
        border: 1px solid rgba(197, 160, 89, 0.2);
        transition: transform var(--transition-fast);
    }

    .about-visual-side img:hover {
        transform: scale(1.05);
    }

    /* ============ CTA SECTION ============ */
    .cta-band {
        background: linear-gradient(135deg, rgba(197, 160, 89, 0.15) 0%, rgba(255, 191, 0, 0.08) 50%, rgba(18, 18, 18, 0.9) 100%);
        border-top: 1px solid rgba(197, 160, 89, 0.3);
        border-bottom: 1px solid rgba(197, 160, 89, 0.3);
        padding: clamp(4rem, 6vw, 6rem) 0;
    }

    .cta-inner {
        text-align: center;
        max-width: 700px;
        margin: 0 auto;
    }

    .cta-inner h2 {
        margin-bottom: 14px;
    }

    .cta-inner p {
        font-size: 1rem;
        color: var(--text-muted);
        margin-bottom: 28px;
        line-height: 1.7;
    }

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

    /* ============ FOOTER ============ */
    .site-footer {
        background: #0D0D0E;
        border-top: 1px solid rgba(197, 160, 89, 0.2);
        padding: 4rem 0 2rem;
    }

    .footer-main {
        display: grid;
        grid-template-columns: 1.3fr 1fr 1fr 1fr;
        gap: 2.5rem;
        margin-bottom: 3rem;
    }

    .footer-brand h3 {
        font-size: 1.15rem;
        margin-bottom: 10px;
        color: var(--text-primary);
    }

    .footer-brand p {
        font-size: 0.85rem;
        color: var(--text-muted);
        line-height: 1.7;
        margin-bottom: 16px;
        max-width: 320px;
    }

    .footer-social {
        display: flex;
        gap: 10px;
    }

    .footer-social a {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 50%;
        background: rgba(197, 160, 89, 0.1);
        border: 1px solid rgba(197, 160, 89, 0.2);
        font-size: 0.9rem;
        color: var(--text-muted);
        transition: all var(--transition-fast);
    }

    .footer-social a:hover {
        background: rgba(197, 160, 89, 0.2);
        border-color: var(--accent-gold);
        color: var(--accent-bright);
        transform: translateY(-2px);
    }

    .footer-col h4 {
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--accent-gold);
        margin-bottom: 14px;
        text-transform: uppercase;
        letter-spacing: 0.06em;
    }

    .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .footer-col ul a {
        font-size: 0.85rem;
        color: var(--text-muted);
        transition: color var(--transition-fast);
    }

    .footer-col ul a:hover {
        color: var(--accent-bright);
    }

    .footer-bottom {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding-top: 24px;
        border-top: 1px solid rgba(197, 160, 89, 0.15);
    }

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

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

    .footer-legal {
        display: flex;
        flex-wrap: wrap;
        gap: 18px;
    }

    .footer-legal a {
        font-size: 0.8rem;
        color: var(--text-faint);
        transition: color var(--transition-fast);
    }

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

    .footer-18plus {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.78rem;
        color: var(--text-faint);
        margin-top: 12px;
    }

    .footer-18plus .badge-18 {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(224, 82, 82, 0.2);
        border: 1.5px solid var(--danger);
        color: var(--danger);
        font-weight: 700;
        font-size: 0.7rem;
        flex-shrink: 0;
    }

    /* ============ FAB ============ */
    .fab {
        position: fixed;
        left: 16px;
        bottom: 96px;
        z-index: 500;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 56px;
        height: 56px;
        border-radius: 16px;
        background: rgba(18, 18, 18, 0.7);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 2px solid transparent;
        background-image: linear-gradient(rgba(18, 18, 18, 0.75), rgba(18, 18, 18, 0.75)), linear-gradient(135deg, #00F0FF, #0052FF);
        background-origin: border-box;
        background-clip: padding-box, border-box;
        box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
        cursor: pointer;
        opacity: 0.6;
        transition: all var(--transition-base);
        animation: fab-float 3s ease-in-out infinite;
        text-decoration: none;
    }

    .fab:hover {
        opacity: 1;
        transform: scale(1.1);
        box-shadow: 0 0 25px rgba(0, 240, 255, 0.55);
    }

    .fab:active {
        transform: scale(0.92);
        box-shadow: 0 0 35px rgba(255, 0, 127, 0.6);
        border-image: linear-gradient(135deg, #FF007F, #00F0FF) 1;
    }

    .fab-icon {
        font-size: 1.5rem;
        color: #fff;
        position: relative;
        z-index: 2;
    }

    .fab-notif {
        position: absolute;
        top: 6px;
        right: 6px;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--danger);
        animation: fab-notif-blink 1.5s infinite;
    }

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

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

    /* ============ RESPONSIVE ============ */
    @media (max-width: 1180px) {
        .main-nav {
            gap: 0.1rem;
        }
        .main-nav a.nav-link {
            padding: 9px 12px;
            font-size: 0.85rem;
        }
    }

    @media (max-width: 1024px) {
        .hero-bottom {
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

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

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

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

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

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

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

        .footer-main {
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
    }

    @media (max-width: 820px) {
        .main-nav {
            display: none;
        }

        .nav-toggle {
            display: flex;
        }

        .mobile-nav {
            display: none;
        }

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

        .header-actions {
            gap: 6px;
        }

        .btn-sm {
            padding: 8px 14px;
            font-size: 0.78rem;
        }

        .hero {
            min-height: auto;
            padding: 100px 0 60px;
        }

        .hero-progress-card {
            flex-direction: column;
            text-align: center;
            padding: 1.5rem;
            gap: 1.25rem;
        }

        .hero-stats {
            gap: 1.25rem;
        }

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

        .news-sidebar {
            position: static;
        }

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

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

    @media (max-width: 520px) {
        .header-inner {
            min-height: 62px;
            gap: 0.8rem;
        }

        .logo {
            font-size: 0.95rem;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 0.95rem;
        }

        .logo-title {
            font-size: 0.9rem;
        }

        .logo-sub {
            font-size: 0.6rem;
        }

        .btn-sm {
            padding: 7px 10px;
            font-size: 0.72rem;
        }

        .hero {
            padding: 85px 0 40px;
        }

        .hero-stats {
            gap: 1rem;
            flex-wrap: wrap;
        }

        .hero-stat-number {
            font-size: 1.5rem;
        }

        .hero-progress-card {
            padding: 1.25rem;
        }

        .progress-ring-wrapper,
        .progress-ring-wrapper svg {
            width: 90px;
            height: 90px;
        }

        .progress-ring-center .percent {
            font-size: 1.3rem;
        }

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

        .about-highlights {
            grid-template-columns: 1fr;
        }

        .about-visual-side {
            grid-template-columns: 1fr;
        }

        .footer-main {
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        .footer-bottom {
            flex-direction: column;
            text-align: center;
            gap: 12px;
        }

        .fab {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            left: 12px;
            bottom: 80px;
        }

        .fab-icon {
            font-size: 1.3rem;
        }
    }

    @media (prefers-reduced-motion: reduce) {
        *, *::before, *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
        }
        html {
            scroll-behavior: auto;
        }
    }

/* roulang page: article */
:root {
        --bg-primary: #121212;
        --bg-secondary: #1C1C1E;
        --bg-tertiary: #242428;
        --bg-card: #1A1A1C;
        --bg-elevated: #2A2A2E;
        --accent-gold: #C5A059;
        --accent-amber: #FFBF00;
        --accent-bright: #FFD700;
        --accent-dim: #8B7D4A;
        --text-primary: #F5F5F7;
        --text-secondary: #D4AC0D;
        --text-muted: #A6A6B0;
        --text-faint: #6E6E76;
        --border-color: rgba(197, 160, 89, 0.25);
        --border-strong: rgba(197, 160, 89, 0.5);
        --success: #2EBC6D;
        --danger: #E05252;
        --info: #4A9DE0;
        --warning: #E8A23D;
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --radius-full: 999px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
        --shadow-md: 0 6px 20px rgba(0,0,0,0.4);
        --shadow-lg: 0 12px 36px rgba(0,0,0,0.55);
        --shadow-gold: 0 4px 20px rgba(197, 160, 89, 0.25);
        --shadow-gold-lg: 0 8px 40px rgba(197, 160, 89, 0.35);
        --transition-fast: 0.2s ease;
        --transition-base: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
        --transition-slow: 0.55s cubic-bezier(0.25, 0.8, 0.25, 1);
        --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
        --container-xl: 1280px;
        --container-lg: 1120px;
        --container-md: 900px;
        --spacing-x: clamp(1rem, 4vw, 3rem);
        --section-padding: clamp(4rem, 7vw, 7rem);
    }

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

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

    body {
        font-family: var(--font-body);
        font-size: 16px;
        line-height: 1.65;
        color: var(--text-primary);
        background: var(--bg-primary);
        min-height: 100vh;
        overflow-x: hidden;
    }

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

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

    a:hover {
        color: var(--accent-bright);
    }

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

    button {
        cursor: pointer;
        border: none;
        background: none;
        font-family: inherit;
    }

    .container {
        width: 100%;
        max-width: var(--container-xl);
        margin: 0 auto;
        padding: 0 var(--spacing-x);
    }

    .container-narrow {
        max-width: var(--container-md);
    }

    .container-medium {
        max-width: var(--container-lg);
    }

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

    .section-tight {
        padding: clamp(2rem, 4vw, 4rem) 0;
    }

    /* ===== HEADER / NAV ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: rgba(18, 18, 18, 0.92);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border-bottom: 1px solid rgba(197, 160, 89, 0.2);
        transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    }

    .site-header.scrolled {
        background: rgba(18, 18, 18, 0.98);
        box-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
        border-bottom-color: rgba(197, 160, 89, 0.35);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 72px;
        gap: 1.5rem;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 700;
        color: var(--text-primary);
        white-space: nowrap;
        flex-shrink: 0;
    }

    .logo:hover {
        color: var(--text-primary);
        opacity: 0.85;
    }

    .logo-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
        color: #1A1A1C;
        font-weight: 800;
        font-size: 1.15rem;
        box-shadow: var(--shadow-gold);
        flex-shrink: 0;
    }

    .logo-text {
        display: flex;
        flex-direction: column;
        line-height: 1.15;
    }

    .logo-title {
        font-weight: 700;
        font-size: 1.05rem;
        color: var(--text-primary);
    }

    .logo-sub {
        font-size: 0.72rem;
        color: var(--text-secondary);
        letter-spacing: 0.04em;
        text-transform: uppercase;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 1.5rem;
        flex-wrap: nowrap;
    }

    .nav-link {
        color: var(--text-muted);
        font-size: 0.95rem;
        font-weight: 500;
        padding: 0.5rem 0;
        position: relative;
        white-space: nowrap;
    }

    .nav-link::after {
        content: "";
        position: absolute;
        left: 0;
        bottom: 0;
        width: 0%;
        height: 2px;
        background: var(--accent-gold);
        border-radius: 2px;
        transition: width var(--transition-base);
    }

    .nav-link:hover {
        color: var(--text-primary);
    }

    .nav-link:hover::after {
        width: 100%;
    }

    .nav-link.active {
        color: var(--accent-gold);
        font-weight: 600;
    }

    .nav-link.active::after {
        width: 100%;
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        flex-shrink: 0;
    }

    .btn-ghost,
    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0.55rem 1.25rem;
        border-radius: var(--radius-full);
        font-weight: 600;
        font-size: 0.9rem;
        letter-spacing: 0.01em;
        transition: all var(--transition-fast);
        white-space: nowrap;
    }

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

    .btn-ghost:hover {
        border-color: var(--accent-bright);
        color: var(--accent-bright);
        background: rgba(255, 215, 0, 0.08);
    }

    .btn-primary {
        background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
        color: #1A1A1C;
        border: none;
        box-shadow: var(--shadow-gold);
    }

    .btn-primary:hover {
        box-shadow: var(--shadow-gold-lg);
        transform: translateY(-2px);
        color: #0D0D0D;
    }

    .btn-primary:active {
        transform: translateY(0);
        box-shadow: var(--shadow-gold);
    }

    .btn-lg {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }

    .menu-toggle {
        display: none;
        background: transparent;
        border: 1px solid var(--border-color);
        color: var(--text-primary);
        font-size: 1.3rem;
        width: 44px;
        height: 44px;
        border-radius: var(--radius-sm);
        align-items: center;
        justify-content: center;
        transition: all var(--transition-fast);
    }

    .menu-toggle:hover {
        border-color: var(--accent-gold);
        color: var(--accent-gold);
    }

    .mobile-menu {
        display: none;
        flex-direction: column;
        gap: 0.25rem;
        padding: 1rem var(--spacing-x) 1.5rem;
        background: rgba(18, 18, 18, 0.98);
        border-top: 1px solid var(--border-color);
    }

    .mobile-menu .nav-link {
        padding: 0.6rem 0;
        font-size: 1rem;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }

    .mobile-actions {
        display: flex;
        gap: 0.75rem;
        margin-top: 1rem;
    }

    /* ===== ARTICLE HERO ===== */
    .article-hero {
        position: relative;
        padding: 9rem 0 4rem;
        min-height: 380px;
        display: flex;
        align-items: flex-end;
        overflow: hidden;
    }

    .article-hero-bg {
        position: absolute;
        inset: 0;
        background-size: cover;
        background-position: center;
        z-index: 0;
    }

    .article-hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(18,18,18,0.75) 0%, rgba(18,18,18,0.88) 60%, var(--bg-primary) 100%);
        z-index: 1;
    }

    .article-hero-inner {
        position: relative;
        z-index: 2;
        width: 100%;
    }

    .article-breadcrumb {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.9rem;
        color: var(--text-muted);
        margin-bottom: 1.25rem;
    }

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

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

    .bc-sep {
        color: var(--text-faint);
    }

    .bc-current {
        color: var(--text-primary);
        font-weight: 500;
    }

    .article-title {
        font-size: clamp(2rem, 5vw, 3rem);
        font-weight: 800;
        line-height: 1.2;
        color: var(--text-primary);
        max-width: 900px;
        letter-spacing: -0.02em;
        text-wrap: balance;
    }

    .article-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 1.5rem;
        margin-top: 1rem;
        font-size: 0.95rem;
        color: var(--text-muted);
    }

    .meta-date,
    .meta-cat {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
    }

    /* ===== ARTICLE BODY ===== */
    .article-body-section {
        padding-top: 1rem;
    }

    .article-content {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        padding: clamp(1.5rem, 4vw, 3rem);
        box-shadow: var(--shadow-md);
    }

    .article-pullquote {
        font-size: 1.3rem;
        font-weight: 600;
        line-height: 1.6;
        color: var(--accent-bright);
        border-left: 4px solid var(--accent-gold);
        padding: 1rem 1.5rem;
        margin: 0 0 2rem;
        background: rgba(197, 160, 89, 0.06);
        border-radius: 0 var(--radius-md) var(--radius-md) 0;
        font-style: italic;
    }

    .article-content h2 {
        font-size: 1.6rem;
        font-weight: 700;
        margin: 2rem 0 1rem;
        color: var(--text-primary);
        line-height: 1.3;
    }

    .article-content h3 {
        font-size: 1.3rem;
        font-weight: 600;
        margin: 1.8rem 0 1rem;
        color: var(--text-primary);
    }

    .article-content p {
        margin-bottom: 1.2rem;
        color: var(--text-muted);
        line-height: 1.7;
    }

    .article-content ul,
    .article-content ol {
        margin: 0 0 1.5rem 1.5rem;
        color: var(--text-muted);
        line-height: 1.7;
    }

    .article-content li {
        margin-bottom: 0.5rem;
    }

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

    .article-content blockquote {
        border-left: 3px solid var(--accent-gold);
        padding: 0.75rem 1rem;
        margin: 1.5rem 0;
        background: rgba(255,255,255,0.03);
        color: var(--text-primary);
        font-style: normal;
        font-weight: 500;
    }

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

    .not-found {
        background: var(--bg-card);
        border: 1px dashed var(--border-strong);
        border-radius: var(--radius-lg);
        padding: 3rem 2rem;
        text-align: left;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .not-found h2 {
        font-size: 1.5rem;
        color: var(--accent-bright);
    }

    .not-found p {
        color: var(--text-muted);
    }

    /* ===== TRUST STRIP ===== */
    .trust-strip {
        background: var(--bg-secondary);
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }

    .trust-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem;
    }

    .trust-item {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
        background: var(--bg-card);
        padding: 1.5rem;
        border-radius: var(--radius-md);
        border: 1px solid var(--border-color);
        transition: border-color var(--transition-fast), transform var(--transition-fast);
    }

    .trust-item:hover {
        border-color: var(--border-strong);
        transform: translateY(-4px);
    }

    .trust-icon {
        font-size: 2rem;
        line-height: 1;
        margin-bottom: 0.25rem;
    }

    .trust-item strong {
        font-size: 1rem;
        color: var(--text-primary);
    }

    .trust-item span {
        font-size: 0.9rem;
        color: var(--text-muted);
        line-height: 1.5;
    }

    /* ===== CTA ===== */
    .cta-box {
        background: linear-gradient(135deg, var(--bg-elevated), var(--bg-tertiary));
        border: 1px solid var(--border-strong);
        border-radius: var(--radius-xl);
        padding: clamp(2rem, 5vw, 4rem);
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        box-shadow: var(--shadow-gold);
    }

    .cta-box h2 {
        font-size: clamp(1.6rem, 4vw, 2.2rem);
        font-weight: 700;
        color: var(--accent-bright);
    }

    .cta-box p {
        color: var(--text-muted);
        font-size: 1.05rem;
        max-width: 700px;
    }

    /* ===== FOOTER ===== */
    .site-footer {
        background: #0F0F10;
        border-top: 1px solid var(--border-color);
        padding: var(--section-padding) 0 0;
        margin-top: 0;
    }

    .footer-main {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.3fr;
        gap: 2rem;
        padding-bottom: 3rem;
    }

    .footer-brand h3 {
        font-size: 1.4rem;
        color: var(--accent-bright);
        margin-bottom: 1rem;
        font-weight: 700;
    }

    .footer-brand p {
        color: var(--text-muted);
        font-size: 0.95rem;
        max-width: 400px;
        line-height: 1.6;
    }

    .footer-social {
        display: flex;
        gap: 0.75rem;
        margin-top: 1.5rem;
    }

    .footer-social a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--bg-elevated);
        border: 1px solid var(--border-color);
        color: var(--text-muted);
        font-size: 1.2rem;
        transition: all var(--transition-fast);
    }

    .footer-social a:hover {
        border-color: var(--accent-gold);
        color: var(--accent-bright);
        transform: translateY(-3px);
    }

    .footer-col h4 {
        font-size: 1rem;
        color: var(--text-primary);
        margin-bottom: 1.25rem;
        font-weight: 600;
        letter-spacing: 0.02em;
    }

    .footer-col ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 0.65rem;
    }

    .footer-col ul li a {
        color: var(--text-muted);
        font-size: 0.95rem;
        transition: color var(--transition-fast), padding-left var(--transition-fast);
    }

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

    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.06);
        padding: 1.5rem 0;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
    }

    .footer-bottom p {
        color: var(--text-faint);
        font-size: 0.85rem;
    }

    .footer-bottom .domain {
        color: var(--text-muted);
        font-weight: 500;
    }

    .footer-legal {
        display: flex;
        gap: 1.25rem;
    }

    .footer-legal a {
        color: var(--text-faint);
        font-size: 0.85rem;
    }

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

    /* ===== FAB ===== */
    .fab-support {
        position: fixed;
        left: 1.25rem;
        bottom: 6rem;
        z-index: 999;
        display: inline-flex;
        align-items: center;
        gap: 0.6rem;
        padding: 0.7rem 1.2rem;
        border-radius: var(--radius-full);
        background: rgba(18, 18, 18, 0.85);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border: 1px solid rgba(197, 160, 89, 0.6);
        color: var(--accent-bright);
        font-weight: 600;
        font-size: 0.95rem;
        box-shadow: 0 4px 20px rgba(197, 160, 89, 0.25);
        transition: all var(--transition-base);
        animation: fabFloat 3s ease-in-out infinite;
    }

    .fab-support:hover {
        border-color: var(--accent-bright);
        box-shadow: 0 8px 30px rgba(197, 160, 89, 0.45);
        transform: scale(1.05);
        color: var(--text-primary);
    }

    .fab-icon {
        font-size: 1.4rem;
    }

    .fab-text {
        white-space: nowrap;
    }

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

    /* ===== RESPONSIVE ===== */
    @media (max-width: 1024px) {
        .main-nav {
            gap: 1rem;
        }
        .footer-main {
            grid-template-columns: 1.5fr 1fr 1fr;
        }
        .footer-col:last-child {
            grid-column: span 1;
        }
        .trust-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 768px) {
        .header-inner {
            min-height: 64px;
        }
        .main-nav {
            display: none;
        }
        .menu-toggle {
            display: inline-flex;
        }
        .header-actions {
            gap: 0.5rem;
        }
        .btn-ghost,
        .btn-primary {
            padding: 0.45rem 0.85rem;
            font-size: 0.8rem;
        }
        .mobile-menu.show {
            display: flex;
        }
        .article-hero {
            padding: 7rem 0 3rem;
            min-height: 280px;
        }
        .article-title {
            font-size: 2rem;
        }
        .article-content {
            padding: 1.25rem;
        }
        .footer-main {
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .footer-brand {
            grid-column: span 2;
        }
        .footer-col:last-child {
            grid-column: span 2;
        }
    }

    @media (max-width: 520px) {
        .header-inner {
            gap: 0.75rem;
        }
        .logo-title {
            font-size: 0.9rem;
        }
        .logo-sub {
            font-size: 0.65rem;
        }
        .header-actions .btn-ghost {
            padding: 0.4rem 0.7rem;
            font-size: 0.75rem;
        }
        .header-actions .btn-primary {
            padding: 0.4rem 0.7rem;
            font-size: 0.75rem;
        }
        .trust-grid {
            grid-template-columns: 1fr;
        }
        .footer-main {
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        .footer-brand,
        .footer-col,
        .footer-col:last-child {
            grid-column: span 1;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
        .fab-support {
            left: 1rem;
            bottom: 5rem;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
        }
        .fab-text {
            display: none;
        }
        .fab-icon {
            font-size: 1.5rem;
        }
        .article-meta {
            flex-direction: column;
            gap: 0.5rem;
        }
    }

/* roulang page: category1 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #242428;
            --bg-card: #1A1A1C;
            --bg-elevated: #2A2A2E;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bright: #FFD700;
            --accent-dim: #8B7D4A;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #A6A6B0;
            --text-faint: #6E6E76;
            --border-color: rgba(197, 160, 89, 0.25);
            --border-strong: rgba(197, 160, 89, 0.5);
            --success: #2EBC6D;
            --danger: #E05252;
            --info: #4A9DE0;
            --warning: #E8A23D;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 999px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.4);
            --shadow-lg: 0 12px 36px rgba(0,0,0,0.55);
            --shadow-gold: 0 4px 20px rgba(197, 160, 89, 0.25);
            --shadow-gold-lg: 0 8px 40px rgba(197, 160, 89, 0.35);
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
            --transition-slow: 0.55s cubic-bezier(0.25, 0.8, 0.25, 1);
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --container-xl: 1280px;
            --container-lg: 1120px;
            --container-md: 900px;
            --spacing-x: clamp(1rem, 4vw, 3rem);
            --section-padding: clamp(4rem, 7vw, 7rem);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-primary);
            background: var(--bg-primary);
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--accent-bright);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-bright);
            outline-offset: 3px;
            border-radius: 4px;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            width: 100%;
            max-width: var(--container-xl);
            margin: 0 auto;
            padding: 0 var(--spacing-x);
        }
        .container-narrow {
            max-width: var(--container-md);
            margin-left: auto;
            margin-right: auto;
        }
        .container-medium {
            max-width: var(--container-lg);
            margin-left: auto;
            margin-right: auto;
        }
        .section {
            padding: var(--section-padding) 0;
        }
        .section-tight {
            padding: clamp(2rem, 4vw, 4rem) 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .section-label::before {
            content: '';
            display: inline-block;
            width: 24px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .section-title {
            margin-bottom: 16px;
            text-wrap: balance;
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--text-primary);
        }
        .section-title em {
            font-style: normal;
            color: var(--accent-bright);
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 1.02rem;
            max-width: 720px;
            margin-bottom: 3rem;
            line-height: 1.7;
            text-align: left;
        }
        .section-desc-left {
            margin-left: 0;
            margin-right: auto;
        }
        .text-gold {
            color: var(--accent-gold);
        }
        .text-bright {
            color: var(--accent-bright);
        }
        .text-muted {
            color: var(--text-muted);
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(197, 160, 89, 0.2);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(18, 18, 18, 0.98);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
            border-bottom-color: rgba(197, 160, 89, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 1.5rem;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--text-primary);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #1A1A1C;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .logo-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
        }
        .logo-sub {
            font-size: 0.7rem;
            color: var(--accent-dim);
            font-weight: 500;
            letter-spacing: 0.04em;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-muted);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(197, 160, 89, 0.08);
        }
        .nav-link.active {
            color: var(--accent-bright);
            background: rgba(197, 160, 89, 0.15);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--border-strong);
        }
        .btn-outline:hover {
            border-color: var(--accent-bright);
            color: var(--accent-bright);
            background: rgba(197, 160, 89, 0.06);
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #1A1A1C;
            border: none;
            box-shadow: var(--shadow-gold);
        }
        .btn-gold:hover {
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-2px);
            color: #1A1A1C;
            background: linear-gradient(135deg, var(--accent-bright), var(--accent-amber));
        }
        .btn-gold:active {
            transform: translateY(0);
            box-shadow: var(--shadow-gold);
        }
        .btn-lg {
            padding: 16px 32px;
            font-size: 1rem;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.8rem;
        }
        .mobile-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(197, 160, 89, 0.1);
            color: var(--accent-gold);
            font-size: 1.4rem;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            border: 1px solid var(--border-color);
        }
        .mobile-toggle:hover {
            background: rgba(197, 160, 89, 0.2);
            color: var(--accent-bright);
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 16px var(--spacing-x) 20px;
            background: rgba(18, 18, 18, 0.98);
            border-bottom: 1px solid var(--border-color);
        }
        .mobile-menu .nav-link {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
        }
        .mobile-menu.open {
            display: flex;
        }

        /* ============ HERO ============ */
        .hero {
            padding: 140px 0 80px;
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(197, 160, 89, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 191, 0, 0.07) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 4rem;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: rgba(46, 188, 109, 0.12);
            border: 1px solid rgba(46, 188, 109, 0.3);
            color: #7DE0A8;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 20px;
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }
        .hero h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-primary);
            text-wrap: balance;
        }
        .hero h1 span {
            color: var(--accent-bright);
        }
        .hero-desc {
            font-size: 1.08rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 580px;
            margin-bottom: 2rem;
            text-align: left;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-muted);
            font-size: 0.88rem;
        }
        .hero-meta-item .icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(197, 160, 89, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .hero-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
            background: var(--bg-card);
        }
        .hero-visual img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            opacity: 0.9;
        }
        .hero-visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px;
            background: linear-gradient(to top, rgba(18,18,18,0.95) 30%, transparent);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .hash-badge {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            background: rgba(18, 18, 18, 0.85);
            border: 1px solid var(--border-color);
            backdrop-filter: blur(8px);
        }
        .hash-badge .hash-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(197, 160, 89, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-bright);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .hash-badge .hash-label {
            font-size: 0.72rem;
            color: var(--text-faint);
            text-transform: uppercase;
            letter-spacing: 0.08em;
        }
        .hash-badge .hash-value {
            font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            font-size: 0.85rem;
            color: #7DE0A8;
            word-break: break-all;
            line-height: 1.4;
        }

        /* ============ INFO PANEL (Trust indicators) ============ */
        .trust-strip {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-color);
            padding: 24px 0;
        }
        .trust-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }
        .trust-item:hover {
            border-color: var(--border-strong);
            transform: translateY(-2px);
        }
        .trust-item .trust-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(197, 160, 89, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .trust-item .trust-text {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .trust-item .trust-sub {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 400;
        }

        /* ============ CONTENT SECTIONS ============ */
        .content-section {
            background: var(--bg-primary);
        }
        .content-section-alt {
            background: var(--bg-secondary);
        }
        .content-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
            margin-top: 2rem;
        }
        .info-card {
            padding: 28px;
            border-radius: var(--radius-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            position: relative;
            overflow: hidden;
        }
        .info-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        .info-card .card-number {
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--accent-dim);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 12px;
        }
        .info-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .info-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.65;
        }
        .info-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(197, 160, 89, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            margin-bottom: 16px;
        }

        /* Steps / Process */
        .steps-wrapper {
            display: grid;
            gap: 0;
            margin-top: 2rem;
        }
        .step-row {
            display: grid;
            grid-template-columns: 60px 1fr;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border-color);
            align-items: flex-start;
        }
        .step-row:last-child {
            border-bottom: none;
        }
        .step-marker {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #1A1A1C;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }
        .step-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .step-content p {
            font-size: 0.94rem;
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 680px;
        }
        .step-content .code-snippet {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 6px;
            background: var(--bg-elevated);
            border: 1px solid var(--border-color);
            font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            font-size: 0.8rem;
            color: #7DE0A8;
            margin-top: 6px;
        }

        /* Alert / Notice Box */
        .notice-box {
            padding: 24px 28px;
            border-radius: var(--radius-lg);
            border-left: 4px solid var(--accent-amber);
            background: rgba(255, 191, 0, 0.06);
            border: 1px solid rgba(255, 191, 0, 0.2);
            margin: 2rem 0;
        }
        .notice-box.warning {
            border-left-color: var(--danger);
            background: rgba(224, 82, 82, 0.06);
            border-color: rgba(224, 82, 82, 0.2);
        }
        .notice-box h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .notice-box p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Compare / Checklist */
        .checklist {
            display: grid;
            gap: 12px;
            margin-top: 1.5rem;
        }
        .checklist-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
        }
        .checklist-item .check-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(46, 188, 109, 0.15);
            color: var(--success);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }
        .checklist-item p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .checklist-item p strong {
            color: var(--text-primary);
        }

        /* FAQ */
        .faq-list {
            display: grid;
            gap: 12px;
            margin-top: 2rem;
        }
        .faq-item {
            border-radius: var(--radius-md);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item.open {
            border-color: var(--border-strong);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            text-align: left;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: rgba(197, 160, 89, 0.04);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(197, 160, 89, 0.1);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), padding 0.3s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: clamp(3rem, 6vw, 5rem) 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 800px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(197, 160, 89, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-box {
            position: relative;
            z-index: 1;
            text-align: left;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        .cta-box p {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 28px;
        }
        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border-color);
        }
        .footer-brand h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(197, 160, 89, 0.08);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--accent-gold);
            transition: all var(--transition-fast);
        }
        .footer-social a:hover {
            background: rgba(197, 160, 89, 0.18);
            border-color: var(--border-strong);
            color: var(--accent-bright);
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            display: grid;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-bright);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
        }
        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-faint);
        }
        .footer-bottom .domain {
            color: var(--accent-dim);
            font-weight: 600;
        }
        .footer-legal {
            display: flex;
            gap: 18px;
        }
        .footer-legal a {
            font-size: 0.8rem;
            color: var(--text-faint);
            transition: color var(--transition-fast);
        }
        .footer-legal a:hover {
            color: var(--accent-gold);
        }

        /* ============ FAB ============ */
        .floating-fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(18, 18, 18, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid var(--accent-gold);
            color: var(--accent-bright);
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 15px rgba(197, 160, 89, 0.35), 0 4px 20px rgba(0,0,0,0.5);
            opacity: 0.7;
            transition: all var(--transition-base);
            animation: fab-breathe 3s ease-in-out infinite;
            cursor: pointer;
        }
        .floating-fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(197, 160, 89, 0.55), 0 8px 30px rgba(0,0,0,0.6);
            animation-play-state: paused;
        }
        .floating-fab:active {
            transform: scale(0.95);
        }
        .floating-fab .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--danger);
            border: 2px solid var(--bg-primary);
            animation: fab-blink 1.5s ease-in-out infinite;
        }
        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }
        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .hero-visual img {
                height: 320px;
            }
            .footer-main {
                grid-template-columns: 1fr 1fr;
            }
            .trust-strip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .main-nav {
                gap: 0;
            }
            .nav-link {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                min-height: 64px;
            }
            .main-nav {
                display: none;
            }
            .nav-actions .btn-outline {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .hero {
                padding: 110px 0 50px;
            }
            .hero h1 {
                font-size: clamp(1.7rem, 5vw, 2.2rem);
            }
            .hero-desc {
                font-size: 0.98rem;
            }
            .hero-visual img {
                height: 260px;
            }
            .hero-meta {
                gap: 14px;
            }
            .trust-strip-grid {
                grid-template-columns: 1fr;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .step-row {
                grid-template-columns: 44px 1fr;
                gap: 16px;
            }
            .step-marker {
                width: 40px;
                height: 40px;
                font-size: 0.95rem;
            }
            .cta-box {
                text-align: left;
            }
            .floating-fab {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
            }
        }
        @media (max-width: 520px) {
            .hero-meta {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-visual img {
                height: 220px;
            }
            .hash-badge {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .hash-badge .hash-value {
                font-size: 0.75rem;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 0.9rem;
            }
            .logo-title {
                font-size: 0.9rem;
            }
            .footer-legal {
                flex-direction: column;
                gap: 8px;
                align-items: center;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #242428;
            --bg-card: #1A1A1C;
            --bg-elevated: #2A2A2E;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bright: #FFD700;
            --accent-dim: #8B7D4A;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #A6A6B0;
            --text-faint: #6E6E76;
            --border-color: rgba(197, 160, 89, 0.25);
            --border-strong: rgba(197, 160, 89, 0.5);
            --success: #2EBC6D;
            --danger: #E05252;
            --info: #4A9DE0;
            --warning: #E8A23D;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 999px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.4);
            --shadow-lg: 0 12px 36px rgba(0,0,0,0.55);
            --shadow-gold: 0 4px 20px rgba(197, 160, 89, 0.25);
            --shadow-gold-lg: 0 8px 40px rgba(197, 160, 89, 0.35);
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
            --transition-slow: 0.55s cubic-bezier(0.25, 0.8, 0.25, 1);
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --container-xl: 1280px;
            --container-lg: 1120px;
            --container-md: 900px;
            --spacing-x: clamp(1rem, 4vw, 3rem);
            --section-padding: clamp(4rem, 7vw, 7rem);
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-primary);
            background: var(--bg-primary);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: 72px;
        }

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

        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--accent-bright);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-bright);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-xl);
            margin: 0 auto;
            padding: 0 var(--spacing-x);
        }
        .container-medium {
            max-width: var(--container-lg);
        }
        .container-narrow {
            max-width: var(--container-md);
        }

        .section {
            padding: var(--section-padding) 0;
        }
        .section-tight {
            padding: clamp(2rem, 4vw, 4rem) 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .section-label::before {
            content: '';
            display: inline-block;
            width: 24px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            text-wrap: balance;
            color: var(--text-primary);
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 1.02rem;
            max-width: 700px;
            margin-bottom: 3rem;
            line-height: 1.7;
        }
        .section-desc-left {
            margin-left: 0;
            margin-right: auto;
            text-align: left;
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(197, 160, 89, 0.2);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(18, 18, 18, 0.98);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
            border-bottom-color: rgba(197, 160, 89, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--text-primary);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #1A1A1C;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .logo-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
        }
        .logo-subtitle {
            font-size: 0.65rem;
            font-weight: 500;
            color: var(--accent-gold);
            letter-spacing: 0.04em;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.55rem 0.85rem;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-full);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(197, 160, 89, 0.08);
        }
        .nav-link.active {
            color: var(--accent-bright);
            background: rgba(197, 160, 89, 0.12);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }
        .btn-nav-login {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            border-radius: var(--radius-full);
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-login:hover {
            background: rgba(197, 160, 89, 0.12);
            color: var(--accent-bright);
        }
        .btn-nav-signup {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1.1rem;
            font-size: 0.85rem;
            font-weight: 700;
            color: #1A1A1C;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border-radius: var(--radius-full);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 2px 12px rgba(197, 160, 89, 0.3);
        }
        .btn-nav-signup:hover {
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.5);
            transform: translateY(-1px);
            color: #1A1A1C;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 4px;
            width: 44px;
            height: 44px;
            padding: 0 10px;
            border-radius: var(--radius-sm);
            background: rgba(197, 160, 89, 0.08);
            border: 1px solid var(--border-color);
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: rgba(197, 160, 89, 0.18);
        }
        .nav-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }
        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(18, 18, 18, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(197, 160, 89, 0.25);
            padding: 1rem var(--spacing-x) 1.5rem;
            z-index: 999;
            box-shadow: 0 12px 32px rgba(0,0,0,0.6);
        }
        .mobile-nav-panel.open {
            display: block;
        }
        .mobile-nav-panel .nav-link {
            display: block;
            padding: 0.8rem 1rem;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            border-bottom: 1px solid rgba(197, 160, 89, 0.08);
        }
        .mobile-nav-panel .nav-link:last-child {
            border-bottom: none;
        }

        /* ============ BUTTONS ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 0.8rem 1.6rem;
            font-size: 0.95rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            color: #1A1A1C;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            box-shadow: 0 4px 16px rgba(197, 160, 89, 0.3);
        }
        .btn-primary:hover {
            box-shadow: 0 6px 28px rgba(197, 160, 89, 0.5);
            transform: translateY(-2px);
            color: #1A1A1C;
        }
        .btn-secondary {
            color: var(--accent-gold);
            background: transparent;
            border: 1.5px solid var(--border-strong);
        }
        .btn-secondary:hover {
            background: rgba(197, 160, 89, 0.1);
            border-color: var(--accent-bright);
            color: var(--accent-bright);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 1rem 2.2rem;
            font-size: 1.05rem;
        }
        .btn-sm {
            padding: 0.5rem 1.1rem;
            font-size: 0.82rem;
        }
        .btn-block {
            width: 100%;
        }

        /* ============ HERO ============ */
        .hero-category {
            position: relative;
            padding: clamp(4rem, 8vw, 7rem) 0 clamp(3rem, 6vw, 5rem);
            background: var(--bg-primary);
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-bg-img {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-bg-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(18,18,18,0.7) 0%, rgba(18,18,18,0.4) 40%, rgba(18,18,18,0.95) 100%);
            z-index: 1;
        }
        .hero-category .container {
            position: relative;
            z-index: 2;
        }
        .hero-grid-cat {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 3rem;
            align-items: center;
        }
        .hero-cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(197, 160, 89, 0.12);
            border: 1px solid rgba(197, 160, 89, 0.3);
            padding: 0.4rem 1.1rem;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-gold);
            letter-spacing: 0.04em;
            margin-bottom: 1.2rem;
        }
        .hero-cat-title {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 1.2rem;
            color: var(--text-primary);
            text-wrap: balance;
        }
        .hero-cat-title .highlight {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bright));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-cat-desc {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-muted);
            max-width: 560px;
            margin-bottom: 2rem;
        }
        .hero-group-hint {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(197, 160, 89, 0.08);
            border: 1px solid rgba(197, 160, 89, 0.2);
            border-radius: var(--radius-md);
            padding: 0.9rem 1.3rem;
            margin-bottom: 1.6rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
            flex-wrap: wrap;
        }
        .hero-group-hint .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--success);
            animation: pulse-dot 2s infinite;
            display: inline-block;
            flex-shrink: 0;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }
        .hero-group-hint strong {
            color: var(--accent-bright);
            font-weight: 700;
        }
        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }
        .hero-stats-row {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .hero-stat-item .stat-num {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-bright);
            line-height: 1;
        }
        .hero-stat-item .stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.3;
        }
        .hero-panel {
            background: linear-gradient(155deg, var(--bg-elevated), var(--bg-card));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: clamp(1.5rem, 3vw, 2.5rem);
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }
        .hero-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-amber), var(--accent-bright));
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        }
        .hero-panel h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
            color: var(--text-primary);
        }
        .group-progress {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-bottom: 1.4rem;
        }
        .group-progress-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .group-progress-item strong {
            color: var(--text-primary);
            font-weight: 600;
        }
        .progress-bar-track {
            width: 100%;
            height: 6px;
            background: rgba(197, 160, 89, 0.12);
            border-radius: var(--radius-full);
            overflow: hidden;
            margin-top: 4px;
        }
        .progress-bar-fill {
            height: 100%;
            border-radius: var(--radius-full);
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-bright));
            transition: width var(--transition-slow);
        }
        .group-avatars {
            display: flex;
            align-items: center;
            gap: 0;
            margin-top: 0.8rem;
        }
        .avatar-dot {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid var(--bg-elevated);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            color: #1A1A1C;
            margin-left: -8px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            flex-shrink: 0;
        }
        .avatar-dot:first-child {
            margin-left: 0;
        }
        .avatar-more {
            background: var(--bg-tertiary);
            color: var(--text-muted);
            font-weight: 600;
        }

        /* ============ FEATURE CARDS ============ */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
            margin-top: 2rem;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem 1.8rem;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-strong);
            box-shadow: var(--shadow-gold);
        }
        .feature-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .feature-card:hover::after {
            opacity: 1;
        }
        .feature-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(197, 160, 89, 0.12);
            border: 1px solid var(--border-strong);
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            color: var(--accent-bright);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.7rem;
            color: var(--text-primary);
        }
        .feature-card p {
            font-size: 0.92rem;
            line-height: 1.7;
            color: var(--text-muted);
        }
        .feature-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--accent-bright);
            background: rgba(197, 160, 89, 0.12);
            padding: 0.25rem 0.7rem;
            border-radius: var(--radius-full);
            margin-bottom: 0.8rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        /* ============ SCENARIO / CONTENT BLOCK ============ */
        .scenario-block {
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-color);
            overflow: hidden;
            margin-top: 1rem;
        }
        .scenario-row {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 0;
            align-items: stretch;
        }
        .scenario-img-wrap {
            position: relative;
            min-height: 280px;
            background: var(--bg-tertiary);
            overflow: hidden;
        }
        .scenario-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
            display: block;
        }
        .scenario-content {
            padding: clamp(1.8rem, 3vw, 2.8rem);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .scenario-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: var(--text-primary);
        }
        .scenario-content p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        .scenario-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
            margin-top: 0.5rem;
        }
        .scenario-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .scenario-list li .check {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(46, 188, 109, 0.15);
            color: var(--success);
            font-size: 0.7rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* ============ SOCIAL PROOF ============ */
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .proof-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            text-align: left;
            transition: all var(--transition-base);
        }
        .proof-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        .proof-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent-bright);
            line-height: 1.2;
            margin-bottom: 0.4rem;
        }
        .proof-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .proof-detail {
            font-size: 0.78rem;
            color: var(--text-faint);
            margin-top: 0.4rem;
            line-height: 1.5;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 2rem;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-item.active {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-gold);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.2rem 1.5rem;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            background: none;
            text-align: left;
            width: 100%;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-bright);
        }
        .faq-question .faq-icon {
            font-size: 1.2rem;
            color: var(--accent-gold);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 1.5rem;
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 1.5rem 1.3rem;
        }
        .faq-answer p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(155deg, var(--bg-secondary), var(--bg-card));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: clamp(2.5rem, 5vw, 4rem);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-amber), var(--accent-bright));
        }
        .cta-section h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }
        .cta-section p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ============ BOTTOM FIXED BAR ============ */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: rgba(18, 18, 18, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(197, 160, 89, 0.3);
            padding: 0.7rem var(--spacing-x);
            display: none;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            box-shadow: 0 -4px 24px rgba(0,0,0,0.5);
        }
        .bottom-cta-bar .bar-text {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .bottom-cta-bar .bar-text strong {
            color: var(--accent-bright);
        }
        .bottom-cta-bar .btn {
            flex-shrink: 0;
        }

        /* ============ FAB ============ */
        .fab-neon {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 950;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(18, 18, 18, 0.75);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 0 18px rgba(197, 160, 89, 0.35);
            opacity: 0.65;
            text-decoration: none;
        }
        .fab-neon::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber), var(--accent-bright));
            z-index: -1;
            opacity: 0.7;
            transition: opacity var(--transition-base);
        }
        .fab-neon:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 32px rgba(197, 160, 89, 0.6);
        }
        .fab-neon:hover::before {
            opacity: 1;
        }
        .fab-neon.active {
            opacity: 1;
            transform: scale(0.95);
        }
        .fab-neon .fab-icon {
            font-size: 1.3rem;
            color: var(--accent-bright);
            pointer-events: none;
        }
        .fab-neon .fab-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--danger);
            border: 2px solid var(--bg-primary);
            animation: pulse-dot 1.8s infinite;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(197, 160, 89, 0.2);
            padding: clamp(3rem, 5vw, 4.5rem) 0 2rem;
            margin-top: 0;
        }
        .footer-main {
            display: grid;
            grid-template-columns: 1.3fr 0.8fr 0.8fr 0.8fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand h3 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 340px;
            margin-bottom: 1.2rem;
        }
        .footer-social {
            display: flex;
            gap: 0.6rem;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(197, 160, 89, 0.08);
            border: 1px solid var(--border-color);
            color: var(--accent-gold);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .footer-social a:hover {
            background: rgba(197, 160, 89, 0.18);
            border-color: var(--border-strong);
            color: var(--accent-bright);
            transform: translateY(-2px);
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-bright);
        }
        .footer-bottom {
            border-top: 1px solid rgba(197, 160, 89, 0.15);
            padding-top: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--text-faint);
        }
        .footer-bottom .domain {
            color: var(--accent-gold);
            font-weight: 600;
        }
        .footer-legal {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .footer-legal a {
            font-size: 0.78rem;
            color: var(--text-faint);
        }
        .footer-legal a:hover {
            color: var(--accent-bright);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-grid-cat {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-panel {
                max-width: 100%;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .proof-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-main {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                min-height: 62px;
                gap: 0.6rem;
            }
            .logo {
                font-size: 0.9rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
            .logo-title {
                font-size: 0.85rem;
            }
            .logo-subtitle {
                font-size: 0.55rem;
            }
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-actions .btn-nav-login,
            .nav-actions .btn-nav-signup {
                display: inline-flex;
                padding: 0.4rem 0.7rem;
                font-size: 0.75rem;
            }
            .mobile-nav-panel {
                display: block;
                max-height: 0;
                overflow: hidden;
                transition: max-height var(--transition-base), padding var(--transition-base);
                padding: 0 var(--spacing-x);
                border-bottom: none;
            }
            .mobile-nav-panel.open {
                max-height: 400px;
                padding: 1rem var(--spacing-x) 1.5rem;
                border-bottom: 1px solid rgba(197, 160, 89, 0.25);
            }
            .scenario-row {
                grid-template-columns: 1fr;
            }
            .scenario-img-wrap {
                min-height: 200px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .proof-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
            .hero-cat-title {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 0.8rem;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .bottom-cta-bar {
                display: flex;
            }
            body {
                padding-bottom: 70px;
            }
            .fab-neon {
                bottom: 5.5rem;
                left: 0.8rem;
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 2rem 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-stats-row {
                gap: 1rem;
            }
            .hero-stat-item {
                font-size: 0.75rem;
            }
            .hero-stat-item .stat-num {
                font-size: 1.1rem;
            }
            .proof-grid {
                grid-template-columns: 1fr;
            }
            .proof-card {
                padding: 1.3rem 1.2rem;
            }
            .proof-num {
                font-size: 1.7rem;
            }
            .btn {
                padding: 0.7rem 1.2rem;
                font-size: 0.88rem;
            }
            .btn-lg {
                padding: 0.85rem 1.6rem;
                font-size: 0.95rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.6rem;
            }
            .bottom-cta-bar .bar-text {
                font-size: 0.72rem;
            }
            .bottom-cta-bar .btn {
                padding: 0.5rem 0.9rem;
                font-size: 0.78rem;
            }
        }

        @media (min-width: 769px) {
            .bottom-cta-bar {
                display: none;
            }
            body {
                padding-bottom: 0;
            }
            .fab-neon {
                bottom: 2rem;
            }
        }

/* roulang page: category2 */
:root {
        --bg-primary: #121212;
        --bg-secondary: #1C1C1E;
        --bg-tertiary: #242428;
        --bg-card: #1A1A1C;
        --bg-elevated: #2A2A2E;
        --accent-gold: #C5A059;
        --accent-amber: #FFBF00;
        --accent-bright: #FFD700;
        --accent-dim: #8B7D4A;
        --text-primary: #F5F5F7;
        --text-secondary: #D4AC0D;
        --text-muted: #A6A6B0;
        --text-faint: #6E6E76;
        --border-color: rgba(197, 160, 89, 0.25);
        --border-strong: rgba(197, 160, 89, 0.5);
        --success: #2EBC6D;
        --danger: #E05252;
        --info: #4A9DE0;
        --warning: #E8A23D;
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --radius-full: 999px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
        --shadow-md: 0 6px 20px rgba(0,0,0,0.4);
        --shadow-lg: 0 12px 36px rgba(0,0,0,0.55);
        --shadow-gold: 0 4px 20px rgba(197, 160, 89, 0.25);
        --shadow-gold-lg: 0 8px 40px rgba(197, 160, 89, 0.35);
        --transition-fast: 0.2s ease;
        --transition-base: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
        --transition-slow: 0.55s cubic-bezier(0.25, 0.8, 0.25, 1);
        --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
        --container-xl: 1280px;
        --container-lg: 1120px;
        --container-md: 900px;
        --spacing-x: clamp(1rem, 4vw, 3rem);
        --section-padding: clamp(4rem, 7vw, 7rem);
    }
    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    body {
        font-family: var(--font-body);
        font-size: 16px;
        line-height: 1.65;
        color: var(--text-primary);
        background: var(--bg-primary);
        min-height: 100vh;
        overflow-x: hidden;
        padding-top: 72px;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: var(--accent-gold);
        text-decoration: none;
        transition: color var(--transition-fast), opacity var(--transition-fast);
    }
    a:hover {
        color: var(--accent-bright);
    }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
        outline: 2px solid var(--accent-bright);
        outline-offset: 3px;
        border-radius: 4px;
    }
    button, input, select, textarea {
        font-family: inherit;
        font-size: inherit;
    }
    button {
        cursor: pointer;
        border: none;
        background: none;
    }
    .container {
        width: 100%;
        max-width: var(--container-xl);
        margin: 0 auto;
        padding: 0 var(--spacing-x);
    }
    .container-narrow {
        max-width: var(--container-md);
    }
    .container-medium {
        max-width: var(--container-lg);
    }
    .section {
        padding: var(--section-padding) 0;
    }
    .section-tight {
        padding: clamp(2rem, 4vw, 4rem) 0;
    }
    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.8rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.12em;
        color: var(--accent-gold);
        margin-bottom: 16px;
    }
    .section-label::before {
        content: '';
        display: inline-block;
        width: 24px;
        height: 2px;
        background: var(--accent-gold);
        border-radius: 2px;
    }
    .section-title {
        margin-bottom: 16px;
        text-wrap: balance;
    }
    .section-desc {
        color: var(--text-muted);
        font-size: 1.02rem;
        max-width: 700px;
        margin-bottom: 3rem;
        line-height: 1.7;
    }
    .section-desc-left {
        margin-left: 0;
        margin-right: auto;
        text-align: left;
    }
    /* HEADER / NAV */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: rgba(18, 18, 18, 0.92);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border-bottom: 1px solid rgba(197, 160, 89, 0.2);
        transition: background var(--transition-base), box-shadow var(--transition-base);
    }
    .site-header.scrolled {
        background: rgba(18, 18, 18, 0.98);
        box-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
        border-bottom-color: rgba(197, 160, 89, 0.35);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 72px;
        gap: 1.5rem;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 1.15rem;
        color: var(--text-primary);
        letter-spacing: -0.01em;
        white-space: nowrap;
        flex-shrink: 0;
    }
    .logo:hover {
        color: var(--text-primary);
    }
    .logo-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
        color: #1A1A1C;
        font-weight: 800;
        font-size: 1.1rem;
        flex-shrink: 0;
        box-shadow: var(--shadow-gold);
    }
    .logo-text {
        display: flex;
        flex-direction: column;
        line-height: 1.15;
    }
    .logo-title {
        font-weight: 700;
        font-size: 1.05rem;
        color: var(--text-primary);
    }
    .logo-sub {
        font-size: 0.72rem;
        color: var(--text-muted);
        font-weight: 400;
        letter-spacing: 0.02em;
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 1.2rem;
    }
    .nav-link {
        color: var(--text-muted);
        font-weight: 500;
        font-size: 0.95rem;
        padding: 8px 4px;
        position: relative;
        white-space: nowrap;
    }
    .nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 0;
        height: 2px;
        background: var(--accent-gold);
        border-radius: 2px;
        transition: width var(--transition-fast);
    }
    .nav-link:hover {
        color: var(--text-primary);
    }
    .nav-link:hover::after {
        width: 100%;
    }
    .nav-link.active {
        color: var(--accent-gold);
        font-weight: 600;
    }
    .nav-link.active::after {
        width: 100%;
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 10px 22px;
        border-radius: var(--radius-md);
        font-weight: 600;
        font-size: 0.95rem;
        transition: all var(--transition-fast);
        white-space: nowrap;
        text-decoration: none;
    }
    .btn-primary {
        background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
        color: #1A1A1C;
        box-shadow: var(--shadow-gold);
    }
    .btn-primary:hover {
        background: linear-gradient(135deg, var(--accent-amber), var(--accent-bright));
        color: #1A1A1C;
        transform: translateY(-2px);
        box-shadow: var(--shadow-gold-lg);
    }
    .btn-ghost {
        background: transparent;
        color: var(--text-primary);
        border: 1px solid var(--border-color);
    }
    .btn-ghost:hover {
        border-color: var(--accent-gold);
        color: var(--accent-gold);
        background: rgba(197, 160, 89, 0.05);
    }
    .mobile-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        padding: 10px;
        background: transparent;
    }
    .mobile-toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: transform var(--transition-fast), opacity var(--transition-fast);
    }
    /* HERO */
    .hero {
        position: relative;
        padding: 5rem 0 4rem;
        background: linear-gradient(180deg, rgba(12,12,14,0.9) 0%, rgba(28,28,30,0.95) 100%);
        border-bottom: 1px solid var(--border-color);
        overflow: hidden;
    }
    .hero-bg {
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
        opacity: 0.25;
        z-index: 0;
    }
    .hero-overlay {
        position: absolute;
        inset: 0;
        background: radial-gradient(circle at 50% 30%, rgba(197,160,89,0.12) 0%, transparent 70%);
        z-index: 1;
    }
    .hero .container {
        position: relative;
        z-index: 2;
    }
    .hero-content {
        max-width: 800px;
        margin: 0 auto;
        text-align: center;
    }
    .hero h1 {
        font-size: clamp(2.2rem, 5vw, 3.5rem);
        font-weight: 800;
        line-height: 1.15;
        margin-bottom: 1.2rem;
        color: var(--text-primary);
        text-wrap: balance;
    }
    .hero p {
        font-size: 1.15rem;
        color: var(--text-muted);
        margin-bottom: 2rem;
        max-width: 650px;
        margin-left: auto;
        margin-right: auto;
    }
    .search-box {
        display: flex;
        align-items: center;
        max-width: 560px;
        margin: 0 auto 2rem;
        background: var(--bg-elevated);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-full);
        padding: 6px 6px 6px 20px;
        box-shadow: var(--shadow-md);
    }
    .search-box input {
        flex: 1;
        background: transparent;
        border: none;
        color: var(--text-primary);
        font-size: 1rem;
        outline: none;
        padding: 8px 0;
    }
    .search-box input::placeholder {
        color: var(--text-faint);
    }
    .search-box button {
        background: var(--accent-gold);
        color: #1A1A1C;
        padding: 10px 20px;
        border-radius: var(--radius-full);
        font-weight: 600;
        transition: background var(--transition-fast), transform var(--transition-fast);
    }
    .search-box button:hover {
        background: var(--accent-amber);
        transform: scale(1.03);
    }
    .hero-categories {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
        margin-top: 0.5rem;
    }
    .hero-cat-chip {
        background: rgba(197, 160, 89, 0.1);
        border: 1px solid var(--border-color);
        color: var(--accent-gold);
        padding: 8px 18px;
        border-radius: var(--radius-full);
        font-size: 0.9rem;
        font-weight: 500;
        transition: all var(--transition-fast);
    }
    .hero-cat-chip:hover {
        background: rgba(197, 160, 89, 0.2);
        border-color: var(--accent-gold);
        color: var(--accent-bright);
        transform: translateY(-2px);
    }
    /* THREE SELLING POINTS */
    .three-points {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
    .point-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        padding: 2rem 1.8rem;
        transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        position: relative;
        overflow: hidden;
    }
    .point-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
        border-color: var(--border-strong);
    }
    .point-icon {
        width: 56px;
        height: 56px;
        border-radius: 16px;
        background: linear-gradient(135deg, rgba(197,160,89,0.15), rgba(255,191,0,0.15));
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 1.5rem;
        font-size: 1.8rem;
        color: var(--accent-gold);
    }
    .point-card h3 {
        font-size: 1.4rem;
        font-weight: 700;
        margin-bottom: 0.8rem;
        color: var(--text-primary);
    }
    .point-card p {
        color: var(--text-muted);
        line-height: 1.7;
        margin-bottom: 1.2rem;
    }
    .data-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(197,160,89,0.08);
        border: 1px solid var(--border-color);
        padding: 4px 12px;
        border-radius: var(--radius-full);
        font-size: 0.8rem;
        color: var(--accent-gold);
        font-weight: 500;
    }
    /* SCENARIO */
    .scenario-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
        align-items: center;
    }
    .scenario-image {
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
    }
    .scenario-image img {
        width: 100%;
        height: auto;
        object-fit: cover;
    }
    .scenario-content h2 {
        font-size: 2rem;
        font-weight: 700;
        margin-bottom: 1rem;
    }
    .scenario-content p {
        color: var(--text-muted);
        margin-bottom: 1.5rem;
    }
    .check-list {
        list-style: none;
        padding: 0;
        margin: 0 0 2rem;
    }
    .check-list li {
        position: relative;
        padding-left: 32px;
        margin-bottom: 12px;
        color: var(--text-primary);
        font-weight: 500;
    }
    .check-list li::before {
        content: '✓';
        position: absolute;
        left: 0;
        top: 0;
        width: 22px;
        height: 22px;
        background: var(--accent-gold);
        color: #1A1A1C;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.8rem;
        font-weight: 700;
    }
    /* SOCIAL PROOF */
    .proof-stats {
        display: flex;
        flex-wrap: wrap;
        gap: 2rem;
        justify-content: center;
        margin-bottom: 3rem;
    }
    .stat-item {
        text-align: center;
        min-width: 150px;
    }
    .stat-number {
        font-size: 2.5rem;
        font-weight: 800;
        color: var(--accent-bright);
        line-height: 1.2;
    }
    .stat-label {
        color: var(--text-muted);
        font-size: 0.9rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }
    .testimonial-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    .testimonial-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 1.5rem;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }
    .testimonial-card:hover {
        border-color: var(--border-strong);
        box-shadow: var(--shadow-md);
    }
    .testimonial-text {
        color: var(--text-primary);
        font-style: italic;
        margin-bottom: 1rem;
    }
    .testimonial-author {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .testimonial-author .avatar {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--bg-elevated);
        border: 1px solid var(--border-color);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        color: var(--accent-gold);
    }
    .testimonial-author .name {
        font-weight: 600;
        color: var(--text-primary);
    }
    .testimonial-author .role {
        font-size: 0.8rem;
        color: var(--text-faint);
    }
    /* STEPS */
    .steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem;
        counter-reset: step;
    }
    .step {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 1.8rem;
        position: relative;
        transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    }
    .step:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
    }
    .step-number {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
        color: #1A1A1C;
        font-weight: 700;
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }
    .step h3 {
        font-size: 1.2rem;
        font-weight: 700;
        margin-bottom: 0.8rem;
    }
    .step p {
        color: var(--text-muted);
        font-size: 0.95rem;
    }
    /* FAQ */
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
    }
    .faq-item {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        margin-bottom: 1rem;
        overflow: hidden;
        transition: border-color var(--transition-fast);
    }
    .faq-item:hover {
        border-color: var(--border-strong);
    }
    .faq-question {
        width: 100%;
        text-align: left;
        padding: 1.2rem 1.5rem;
        font-weight: 600;
        font-size: 1.05rem;
        color: var(--text-primary);
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
        background: transparent;
        transition: background var(--transition-fast);
    }
    .faq-question:hover {
        background: rgba(197,160,89,0.03);
    }
    .faq-question .icon {
        font-size: 1.2rem;
        color: var(--accent-gold);
        transition: transform var(--transition-fast);
    }
    .faq-item.open .faq-question .icon {
        transform: rotate(45deg);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base), padding var(--transition-base);
        padding: 0 1.5rem;
        color: var(--text-muted);
    }
    .faq-item.open .faq-answer {
        max-height: 300px;
        padding: 0 1.5rem 1.5rem;
    }
    /* CTA */
    .cta-section {
        background: linear-gradient(135deg, rgba(197,160,89,0.05), rgba(255,191,0,0.02));
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }
    .cta-card {
        background: var(--bg-card);
        border: 1px solid var(--border-strong);
        border-radius: var(--radius-xl);
        padding: 3rem 2rem;
        text-align: center;
        box-shadow: var(--shadow-lg);
    }
    .cta-card h2 {
        font-size: 2.2rem;
        font-weight: 800;
        margin-bottom: 1rem;
    }
    .cta-card p {
        color: var(--text-muted);
        max-width: 600px;
        margin: 0 auto 2rem;
    }
    .btn-lg {
        padding: 14px 32px;
        font-size: 1.1rem;
        border-radius: var(--radius-lg);
    }
    /* FOOTER */
    .site-footer {
        background: var(--bg-secondary);
        border-top: 1px solid var(--border-color);
        padding-top: 4rem;
        color: var(--text-muted);
    }
    .footer-main {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 3rem;
        padding-bottom: 3rem;
    }
    .footer-brand h3 {
        color: var(--text-primary);
        font-size: 1.3rem;
        font-weight: 700;
        margin-bottom: 1rem;
    }
    .footer-brand p {
        font-size: 0.95rem;
        line-height: 1.7;
        margin-bottom: 1.5rem;
    }
    .footer-social {
        display: flex;
        gap: 12px;
    }
    .footer-social a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--bg-elevated);
        border: 1px solid var(--border-color);
        color: var(--text-muted);
        font-size: 1.1rem;
        transition: all var(--transition-fast);
    }
    .footer-social a:hover {
        background: var(--accent-gold);
        color: #1A1A1C;
        border-color: var(--accent-gold);
    }
    .footer-col h4 {
        color: var(--text-primary);
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 1.2rem;
        text-transform: uppercase;
        letter-spacing: 0.03em;
    }
    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-col li {
        margin-bottom: 10px;
    }
    .footer-col a {
        color: var(--text-muted);
        font-size: 0.95rem;
        transition: color var(--transition-fast);
    }
    .footer-col a:hover {
        color: var(--accent-bright);
    }
    .footer-bottom {
        border-top: 1px solid var(--border-color);
        padding: 1.5rem 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 1rem;
        font-size: 0.85rem;
    }
    .footer-bottom .domain {
        color: var(--accent-gold);
    }
    .footer-legal {
        display: flex;
        gap: 1.5rem;
    }
    .footer-legal a {
        color: var(--text-faint);
    }
    .footer-legal a:hover {
        color: var(--accent-gold);
    }
    /* FAB */
    .floating-fab {
        position: fixed;
        left: 16px;
        bottom: 96px;
        z-index: 50;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 56px;
        height: 56px;
        border-radius: 50%;
        background: rgba(18, 18, 18, 0.7);
        backdrop-filter: blur(12px);
        border: 2px solid transparent;
        border-image: linear-gradient(135deg, var(--accent-gold), var(--accent-amber)) 1;
        box-shadow: 0 0 15px rgba(197,160,89,0.5);
        color: var(--accent-bright);
        font-size: 1.6rem;
        text-decoration: none;
        transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
        opacity: 0.6;
        animation: fabBreath 3s ease-in-out infinite;
    }
    .floating-fab:hover {
        transform: scale(1.1);
        opacity: 1;
        box-shadow: 0 0 25px rgba(197,160,89,0.8);
        color: var(--accent-bright);
    }
    @keyframes fabBreath {
        0%, 100% { box-shadow: 0 0 15px rgba(197,160,89,0.4); }
        50% { box-shadow: 0 0 25px rgba(197,160,89,0.7); }
    }
    /* BOTTOM CONVERSION BAR */
    .conversion-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-top: 1px solid var(--border-strong);
        padding: 12px 0;
        z-index: 999;
        box-shadow: 0 -4px 20px rgba(0,0,0,0.6);
        display: none;
    }
    .conversion-bar.active {
        display: block;
    }
    .conversion-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
    }
    .conversion-text {
        font-weight: 600;
        color: var(--text-primary);
    }
    .conversion-text span {
        color: var(--accent-gold);
    }
    .conversion-close {
        background: transparent;
        color: var(--text-muted);
        font-size: 1.2rem;
        padding: 4px;
        margin-left: 1rem;
    }
    /* RESPONSIVE */
    @media (max-width: 1024px) {
        .three-points { grid-template-columns: 1fr 1fr; }
        .steps { grid-template-columns: 1fr 1fr; }
        .scenario-grid { grid-template-columns: 1fr; }
        .footer-main { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
        .main-nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 75%;
            height: 100vh;
            background: var(--bg-secondary);
            flex-direction: column;
            align-items: flex-start;
            justify-content: flex-start;
            padding: 100px 30px 30px;
            transition: right var(--transition-base);
            box-shadow: -4px 0 30px rgba(0,0,0,0.5);
            z-index: 999;
        }
        .main-nav.open {
            right: 0;
        }
        .main-nav .nav-link {
            font-size: 1.2rem;
            padding: 12px 0;
            width: 100%;
            border-bottom: 1px solid var(--border-color);
        }
        .mobile-toggle {
            display: flex;
        }
        .header-actions .btn {
            padding: 8px 16px;
            font-size: 0.9rem;
        }
        .three-points { grid-template-columns: 1fr; }
        .steps { grid-template-columns: 1fr; }
        .testimonial-grid { grid-template-columns: 1fr; }
        .proof-stats { gap: 1rem; }
        .stat-item { min-width: 120px; }
        .hero h1 { font-size: 2rem; }
        .search-box { max-width: 100%; }
        .footer-main { grid-template-columns: 1fr; gap: 2rem; }
        .footer-bottom { flex-direction: column; text-align: center; }
        .cta-card h2 { font-size: 1.8rem; }
        .conversion-inner { flex-wrap: wrap; }
    }
    @media (max-width: 520px) {
        .header-inner { min-height: 60px; }
        .logo-title { font-size: 0.95rem; }
        .logo-icon { width: 34px; height: 34px; font-size: 0.9rem; }
        .header-actions .btn { padding: 6px 12px; font-size: 0.85rem; }
        .section-title { font-size: 1.6rem; }
        .hero { padding: 3rem 0 2.5rem; }
        .hero h1 { font-size: 1.8rem; }
        .hero p { font-size: 1rem; }
        .search-box button { padding: 8px 14px; font-size: 0.9rem; }
        .floating-fab { width: 48px; height: 48px; font-size: 1.3rem; left: 10px; bottom: 80px; }
        .btn-lg { padding: 12px 24px; font-size: 1rem; }
    }