/* CSS Variables & Reset */
        :root {
            --bg: #12100a;
            --surface: #232012;
            --surface-hover: #2e2a18;
            --accent: #f5c542;
            --accent2: #84cc16;
            --text: #fdfaf0;
            --muted: #b8b28f;
            --border: rgba(245, 197, 66, 0.2);
            --font-display: 'Teko', sans-serif;
            --font-body: 'Nunito', sans-serif;
            --max-width: 1024px;
            --header-height: 70px;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

        .container {
            width: 100%;
            max-width: var(--max-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;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s ease;
            min-height: 44px;
            text-align: center;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #000;
            border: 2px solid var(--accent);
        }

        .btn-primary:hover {
            background-color: transparent;
            color: var(--accent);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
        }

        .btn-secondary:hover {
            background-color: var(--accent);
            color: #000;
        }

        /* Header (Matching Provided HTML Structure) */
        header {
            background-color: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-height);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            font-family: var(--font-display);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-desktop {
            display: none;
        }

        .nav-desktop ul {
            list-style: none;
            display: flex;
            gap: 20px;
        }

        .nav-desktop a {
            color: var(--text);
            font-weight: 600;
            font-size: 0.95rem;
        }

        .nav-desktop a:hover {
            color: var(--accent);
        }

        .header-ctas {
            display: none;
            gap: 10px;
        }

        .mobile-menu-btn {
            background: none;
            border: none;
            color: var(--accent);
            font-size: 1.8rem;
            cursor: pointer;
            min-width: 44px;
            min-height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .mobile-nav {
            display: none;
            background-color: var(--surface);
            border-bottom: 1px solid var(--border);
            position: absolute;
            top: var(--header-height);
            left: 0;
            width: 100%;
            padding: 20px;
            flex-direction: column;
            gap: 20px;
        }

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

        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .mobile-nav a {
            color: var(--text);
            font-size: 1.1rem;
            font-weight: 600;
            display: block;
            padding: 5px 0;
        }

        .mobile-nav .header-ctas {
            display: flex;
            flex-direction: column;
            width: 100%;
        }

        .mobile-nav .btn {
            width: 100%;
        }

        /* Hero Banner */
        .page-hero {
            position: relative;
            padding: 60px 0 40px;
            background: linear-gradient(to bottom, var(--surface) 0%, var(--bg) 100%);
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        /* Coin Stack Motif Decoration */
        .hero-decor {
            position: absolute;
            right: -5%;
            top: 20%;
            width: 300px;
            height: 300px;
            opacity: 0.05;
            pointer-events: none;
            background-image:
                radial-gradient(ellipse at center, var(--accent) 0%, transparent 70%),
                radial-gradient(ellipse at center, var(--accent) 0%, transparent 70%),
                radial-gradient(ellipse at center, var(--accent) 0%, transparent 70%);
            background-position: 50% 10%, 50% 50%, 50% 90%;
            background-size: 150px 80px;
            background-repeat: no-repeat;
            transform: rotate(-15deg);
        }

        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
        }

        .page-hero h1 {
            font-family: var(--font-display);
            font-size: 3rem;
            line-height: 1.1;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }

        .meta-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .chip {
            background-color: rgba(245, 197, 66, 0.1);
            border: 1px solid var(--border);
            color: var(--muted);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
        }

        .chip::before {
            content: '';
            display: inline-block;
            width: 8px;
            height: 8px;
            background-color: var(--accent);
            border-radius: 50%;
            margin-right: 8px;
        }

        /* Main Content - Ledger Style */
        .content-wrapper {
            padding: 50px 0;
            display: grid;
            gap: 40px;
        }

        .ledger-intro {
            background-color: var(--surface);
            padding: 30px;
            border-left: 4px solid var(--accent);
            border-radius: 0 8px 8px 0;
            font-size: 1.1rem;
            color: var(--text);
            position: relative;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }

        .ledger-intro::before {
            content: '"';
            position: absolute;
            top: 10px;
            right: 20px;
            font-family: var(--font-display);
            font-size: 6rem;
            color: rgba(245, 197, 66, 0.1);
            line-height: 1;
        }

        .section-block {
            position: relative;
        }

        .section-block h2 {
            font-family: var(--font-display);
            font-size: 2.2rem;
            color: var(--text);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 15px;
            border-bottom: 1px dashed var(--border);
            padding-bottom: 10px;
        }

        .section-block h2::before {
            content: '■';
            color: var(--accent);
            font-size: 1rem;
        }

        .section-block p {
            margin-bottom: 20px;
            color: var(--muted);
            font-size: 1.05rem;
        }

        .section-block p a {
            color: var(--accent);
            border-bottom: 1px dotted var(--accent);
            font-weight: 700;
        }

        /* Checklist / Strategy List */
        .strategy-list {
            list-style: none;
            margin: 30px 0;
            padding: 20px;
            background-color: rgba(35, 32, 18, 0.5);
            border: 1px solid var(--border);
            border-radius: 8px;
        }

        .strategy-list li {
            position: relative;
            padding-left: 40px;
            margin-bottom: 15px;
            color: var(--text);
            font-weight: 600;
        }

        .strategy-list li:last-child {
            margin-bottom: 0;
        }

        .strategy-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 2px;
            width: 24px;
            height: 24px;
            background-color: var(--accent);
            border-radius: 50%;
            border: 2px solid #000;
            box-shadow: inset 0 0 0 2px var(--accent), inset 0 0 0 4px #000;
        }

        /* Highlighted Section (QRIS / Fast Withdraw) */
        .highlight-card {
            background: linear-gradient(135deg, var(--surface) 0%, rgba(132, 204, 22, 0.05) 100%);
            border: 1px solid var(--border);
            padding: 30px;
            border-radius: 8px;
            margin: 20px 0;
        }

        /* FAQ Section */
        .faq-container {
            margin-top: 20px;
        }

        details {
            background-color: var(--surface);
            border: 1px solid var(--border);
            border-radius: 6px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        details[open] {
            border-color: var(--accent);
            box-shadow: 0 4px 15px rgba(245, 197, 66, 0.1);
        }

        summary {
            padding: 20px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
        }

        summary::-webkit-details-marker {
            display: none;
        }

        summary::after {
            content: '+';
            font-family: var(--font-display);
            font-size: 1.5rem;
            color: var(--accent);
            transition: transform 0.3s ease;
        }

        details[open] summary::after {
            transform: rotate(45deg);
        }

        details p {
            padding: 0 20px 20px;
            color: var(--muted);
            margin: 0;
            border-top: 1px dashed var(--border);
            padding-top: 15px;
        }

        /* Related Links */
        .related-links {
            background-color: var(--surface);
            padding: 40px;
            border-radius: 8px;
            text-align: center;
            border: 1px solid var(--border);
        }

        .related-links h3 {
            font-family: var(--font-display);
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .links-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
        }

        .links-grid a {
            background-color: var(--bg);
            border: 1px solid var(--border);
            padding: 10px 20px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--muted);
        }

        .links-grid a:hover {
            background-color: var(--accent);
            color: #000;
            border-color: var(--accent);
        }

        /* Final CTA */
        .final-cta {
            background: linear-gradient(45deg, var(--surface) 0%, #302a14 100%);
            padding: 50px 20px;
            text-align: center;
            border-top: 4px solid var(--accent);
            border-bottom: 4px solid var(--accent);
            margin: 40px 0 0 0;
        }

        .final-cta h2 {
            font-family: var(--font-display);
            font-size: 2.5rem;
            color: var(--text);
            margin-bottom: 15px;
            text-transform: uppercase;
        }

        .final-cta p {
            color: var(--muted);
            margin-bottom: 30px;
            font-size: 1.1rem;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* Footer (Matching Provided HTML Structure) */
        footer {
            background-color: #0a0905;
            padding: 60px 0 20px;
            border-top: 1px solid var(--border);
        }

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

        .footer-brand .logo {
            font-size: 2.5rem;
            margin-bottom: 15px;
        }

        .footer-tagline {
            color: var(--muted);
            font-size: 0.95rem;
        }

        .footer-links h4 {
            font-family: var(--font-display);
            color: var(--accent);
            font-size: 1.5rem;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--muted);
            font-size: 0.95rem;
        }

        .footer-links a:hover {
            color: var(--text);
            padding-left: 5px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.05);
            color: var(--muted);
            font-size: 0.85rem;
        }

        /* Breakpoints */
        @media (min-width: 768px) {
            .nav-desktop {
                display: block;
            }
            .header-ctas {
                display: flex;
            }
            .mobile-menu-btn {
                display: none;
            }
            .page-hero h1 {
                font-size: 4rem;
            }
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
            }
            .section-block {
                padding: 0 40px;
            }
        }

        @media (min-width: 1024px) {
            .page-hero h1 {
                font-size: 4.5rem;
                max-width: 800px;
            }
            .content-wrapper {
                padding: 60px 0;
            }
        }


/* 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; }