:root {
            --bg-color: #12100a;
            --surface-color: #232012;
            --accent-gold: #f5c542;
            --accent-gold-dark: #c2992a;
            --accent-green: #84cc16;
            --text-main: #fdfaf0;
            --text-muted: #b8b28f;

            --font-display: 'Teko', sans-serif;
            --font-body: 'Nunito', sans-serif;

            --container-width: 1024px;
            --radius-sm: 4px;
            --radius-md: 8px;
            --transition: all 0.3s ease;
        }

        /* Base Reset */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-color);
            color: var(--text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--accent-gold); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--text-main); }
        ul { list-style: none; }

        h1, h2, h3, h4, .logo {
            font-family: var(--font-display);
            font-weight: 500;
            line-height: 1.1;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            font-family: var(--font-display);
            font-size: 1.2rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            min-height: 44px;
            text-decoration: none;
            border: 2px solid transparent;
        }
        .btn-primary {
            background-color: var(--accent-gold);
            color: var(--bg-color);
            box-shadow: 0 4px 0 var(--accent-gold-dark);
        }
        .btn-primary:hover {
            background-color: #ffd666;
            color: var(--bg-color);
            transform: translateY(2px);
            box-shadow: 0 2px 0 var(--accent-gold-dark);
        }
        .btn-secondary {
            background-color: transparent;
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }
        .btn-secondary:hover {
            background-color: rgba(245, 197, 66, 0.1);
            color: var(--accent-gold);
        }

        /* Header (A1) Styling */
        header {
            background-color: var(--bg-color);
            border-bottom: 2px solid var(--surface-color);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }
        .logo {
            font-size: 2.2rem;
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-desktop ul {
            display: flex;
            gap: 20px;
        }
        .nav-desktop a {
            color: var(--text-main);
            font-family: var(--font-display);
            font-size: 1.2rem;
            text-transform: uppercase;
        }
        .nav-desktop a:hover { color: var(--accent-gold); }
        .header-ctas { display: flex; gap: 10px; }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .mobile-nav {
            display: none;
            background-color: var(--surface-color);
            padding: 20px;
            border-bottom: 2px solid var(--accent-gold);
        }
        .mobile-nav.active { display: block; }
        .mobile-nav ul { display: flex; flex-direction: column; gap: 15px; margin-bottom: 20px; }
        .mobile-nav a {
            font-family: var(--font-display);
            font-size: 1.4rem;
            color: var(--text-main);
            display: block;
        }

        /* INNER PAGE SPECIFIC DESIGN: Cashback Ledger Theme */

        /* Hero Banner */
        .hero-banner {
            background-color: var(--surface-color);
            background-image: repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(245, 197, 66, 0.03) 39px, rgba(245, 197, 66, 0.03) 40px);
            padding: 60px 0 40px;
            border-bottom: 1px solid rgba(245, 197, 66, 0.2);
            position: relative;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            top: -50%; right: -10%;
            width: 400px; height: 400px;
            background: radial-gradient(circle, rgba(245,197,66,0.1) 0%, rgba(18,16,10,0) 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .breadcrumb {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
        }
        .breadcrumb a { color: var(--text-muted); }
        .breadcrumb a:hover { color: var(--accent-gold); }
        .hero-banner h1 {
            font-size: 3.5rem;
            color: var(--accent-gold);
            margin-bottom: 15px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .meta-chips {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .chip {
            background: rgba(35, 32, 18, 0.8);
            border: 1px solid var(--text-muted);
            color: var(--text-muted);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .chip::before {
            content: '';
            display: block;
            width: 6px; height: 6px;
            border-radius: 50%;
            background: var(--text-muted);
        }

        /* Content Area */
        .content-area {
            padding: 50px 0;
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
        }

        /* Intro Blockquote - Receipt Style */
        .intro-ledger {
            background-color: var(--surface-color);
            border: 1px solid rgba(245, 197, 66, 0.2);
            border-left: 4px solid var(--accent-gold);
            padding: 30px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-size: 1.1rem;
            color: var(--text-main);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            position: relative;
        }
        .intro-ledger::after {
            content: 'Catatan Kasir';
            position: absolute;
            top: -12px; right: 20px;
            background: var(--bg-color);
            color: var(--accent-gold);
            font-family: var(--font-display);
            padding: 0 10px;
            font-size: 1.2rem;
            border: 1px solid rgba(245, 197, 66, 0.2);
        }

        /* Article Sections */
        .article-body section {
            margin-bottom: 40px;
        }
        .article-body h2 {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px dashed rgba(245, 197, 66, 0.3);
            padding-bottom: 10px;
        }
        .article-body h2::before {
            content: '■';
            font-size: 1rem;
            color: var(--text-muted);
        }
        .article-body p {
            margin-bottom: 16px;
            color: #e5e0d3;
        }
        .article-body a {
            border-bottom: 1px solid var(--accent-gold);
            padding-bottom: 1px;
        }

        /* Custom Coin-Stack List */
        .coin-list {
            margin: 20px 0 20px 10px;
        }
        .coin-list li {
            position: relative;
            padding-left: 35px;
            margin-bottom: 15px;
            color: #e5e0d3;
        }
        .coin-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 14px;
            height: 4px;
            background-color: var(--accent-gold);
            border-radius: 50%;
            box-shadow:
                0 4px 0 0 var(--accent-gold-dark),
                0 8px 0 0 var(--accent-gold),
                0 12px 0 0 var(--accent-gold-dark);
        }

        /* FAQ Section */
        .faq-wrapper {
            background: var(--surface-color);
            border-radius: var(--radius-md);
            border: 1px solid rgba(245, 197, 66, 0.1);
            padding: 30px;
        }
        .faq-wrapper h2 {
            border-bottom: none;
            margin-bottom: 30px;
            text-align: center;
        }
        .faq-wrapper h2::before { display: none; }
        details {
            background: var(--bg-color);
            margin-bottom: 15px;
            border: 1px solid rgba(245, 197, 66, 0.2);
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        summary {
            padding: 18px 20px;
            font-family: var(--font-display);
            font-size: 1.4rem;
            color: var(--accent-gold);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(245, 197, 66, 0.02);
        }
        summary::-webkit-details-marker { display: none; }
        summary::after {
            content: '+';
            font-size: 1.8rem;
            line-height: 1;
            color: var(--text-muted);
            transition: var(--transition);
        }
        details[open] summary::after {
            content: '−';
            color: var(--accent-gold);
        }
        details p {
            padding: 0 20px 20px;
            color: #e5e0d3;
            margin-bottom: 0;
            border-top: 1px dashed rgba(245, 197, 66, 0.1);
            padding-top: 15px;
        }

        /* Related Links (Ledger Tags) */
        .related-links {
            margin-top: 20px;
        }
        .related-links h3 {
            font-size: 1.8rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .tags-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        .tags-grid a {
            background: var(--surface-color);
            border: 1px solid rgba(184, 178, 143, 0.3);
            color: var(--text-main);
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-family: var(--font-display);
            font-size: 1.2rem;
            text-transform: uppercase;
            border-bottom: none;
        }
        .tags-grid a:hover {
            background: rgba(245, 197, 66, 0.1);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        /* Grand CTA */
        .grand-cta {
            background: linear-gradient(135deg, var(--surface-color) 0%, #1a170d 100%);
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-md);
            padding: 50px 30px;
            text-align: center;
            margin-top: 40px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }
        .grand-cta::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; height: 4px;
            background: repeating-linear-gradient(90deg, var(--accent-gold), var(--accent-gold) 20px, transparent 20px, transparent 40px);
        }
        .grand-cta h3 {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: 15px;
        }
        .grand-cta p {
            color: var(--text-main);
            font-size: 1.1rem;
            margin-bottom: 30px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* Footer (A2) Styling */
        footer {
            background-color: #0a0905;
            border-top: 1px solid rgba(245, 197, 66, 0.2);
            padding: 60px 0 20px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-tagline { color: var(--text-muted); margin-top: 15px; }
        .footer-links h4 {
            color: var(--accent-gold);
            font-size: 1.5rem;
            margin-bottom: 20px;
        }
        .footer-links ul { display: flex; flex-direction: column; gap: 10px; }
        .footer-links a { color: var(--text-muted); }
        .footer-links a:hover { color: var(--accent-gold); padding-left: 5px; }
        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.05);
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-desktop, .header-inner .header-ctas { display: none; }
            .mobile-menu-btn { display: block; }
            .hero-banner h1 { font-size: 2.8rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .grand-cta { padding: 40px 20px; }
            .cta-buttons { flex-direction: column; }
            .cta-buttons .btn { width: 100%; }
        }
        @media (max-width: 390px) {
            .hero-banner h1 { font-size: 2.2rem; }
            .article-body h2 { font-size: 1.8rem; }
            .intro-ledger { padding: 20px; font-size: 1rem; }
            .tags-grid { flex-direction: column; }
            .tags-grid a { text-align: center; }
        }


/* pipeline image & layout guards */
html, body { overflow-x: clip; }
img { max-width: 100%; height: auto; }
img.site-logo { height: 40px; width: auto; max-width: 240px; object-fit: contain; flex: none; }
header .logo a { display: inline-flex; align-items: center; flex: none; text-decoration: none; }
img.hero-visual { width: 100%; max-width: 560px; height: auto; object-fit: cover; border-radius: 16px; display: block; margin-inline: auto; }
img[class^="strip-"], img[class*=" strip-"] { width: 100%; height: auto; display: block; border-radius: 12px; object-fit: cover; }
/* 合规声明块（zb-disclaimer，全站 footer） */
.zb-disclaimer { margin-top: 18px !important; padding: 14px 0 0 0 !important; border-top: 1px solid rgba(128,128,128,.25) !important; font-size: .72rem !important; line-height: 1.7 !important; opacity: .85 !important; display: block !important; text-align: left !important; width: 100% !important; clear: both !important; }
.zb-disclaimer .zb-18 { display: inline-block !important; padding: 2px 10px !important; border: 1.5px solid currentColor !important; border-radius: 6px !important; font-weight: 800 !important; letter-spacing: 1px !important; margin: 0 0 10px 0 !important; font-size: .78rem !important; }
.zb-disclaimer p { display: block !important; margin: 5px 0 !important; padding: 0 !important; color: inherit !important; font-size: .72rem !important; line-height: 1.7 !important; }
.zb-disclaimer p:last-child { margin-bottom: 0 !important; }