:root {
            --bg: #04140f;
            --surface: #0a241b;
            --surface-hover: #0f3629;
            --accent: #f0b429;
            --accent-hover: #d99f1e;
            --accent2: #2dd4a7;
            --text: #eefbf5;
            --muted: #8fb3a5;
            --border: rgba(45, 212, 167, 0.15);

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

            --container-w: 1000px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: all 0.3s ease;
        }

        /* Reset & Base */
        * { 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;
            overflow-x: hidden;
        }
        a { color: var(--accent2); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }

        .container {
            width: 100%;
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Typography */
        h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; line-height: 1.1; letter-spacing: 0.5px; }
        h1 { font-size: 2.5rem; color: var(--accent); margin-bottom: 1rem; text-transform: uppercase; }
        h2 { font-size: 2rem; color: var(--text); margin-bottom: 1rem; border-bottom: 1px solid var(--border); padding-bottom: 0.5rem; }
        h3 { font-size: 1.5rem; color: var(--accent2); margin-bottom: 0.5rem; }
        p { margin-bottom: 1rem; }

        /* --- HEADER (Verbatim styling constraints) --- */
        header { background-color: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
        .header-inner { display: flex; justify-content: space-between; align-items: center; height: 70px; }
        .logo { font-family: var(--font-display); font-size: 2rem; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 1px; }
        .menu-toggle { display: flex; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 10px; }
        .menu-toggle span { display: block; width: 25px; height: 3px; background-color: var(--text); transition: var(--transition); }
        #main-nav { display: none; position: absolute; top: 70px; left: 0; width: 100%; background-color: var(--surface); border-bottom: 1px solid var(--border); padding: 1rem 0; }
        #main-nav.active { display: block; }
        #main-nav ul { display: flex; flex-direction: column; gap: 1rem; padding: 0 20px; }
        #main-nav a { color: var(--text); font-weight: 600; display: block; padding: 0.5rem 0; }
        #main-nav a:hover { color: var(--accent); }

        /* --- HERO BANNER (Fintech Vibe) --- */
        .hero-banner {
            background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
            padding: 3rem 0;
            border-bottom: 1px solid var(--border);
            position: relative;
        }
        .hero-banner::before {
            content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent2), transparent);
            opacity: 0.5;
        }
        .breadcrumb {
            font-size: 0.875rem; color: var(--muted); margin-bottom: 1.5rem;
            display: flex; align-items: center; gap: 0.5rem;
        }
        .meta-chips { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }
        .chip {
            background-color: rgba(45, 212, 167, 0.1); border: 1px solid var(--border);
            color: var(--accent2); padding: 4px 12px; border-radius: 20px;
            font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
        }

        /* --- CONTENT AREA --- */
        .page-content { padding: 3rem 20px; }

        .intro-block {
            font-size: 1.125rem; color: var(--text); background: var(--surface);
            padding: 1.5rem; border-radius: var(--radius-md); border-left: 4px solid var(--accent);
            margin-bottom: 3rem; box-shadow: 0 4px 20px rgba(0,0,0,0.2);
        }

        .content-section { margin-bottom: 3rem; }

        /* App-like Data Cards */
        .data-card {
            background-color: var(--surface); border: 1px solid var(--border);
            border-radius: var(--radius-md); padding: 1.5rem; margin-top: 1.5rem;
        }
        .data-card h2 { border-bottom: none; margin-bottom: 0.5rem; }

        /* Step List (Fintech Flow) */
        .step-list { margin-top: 1.5rem; counter-reset: step-counter; }
        .step-list li {
            position: relative; padding-left: 3.5rem; margin-bottom: 1.5rem;
            background: var(--surface); padding-right: 1.5rem; padding-top: 1.25rem; padding-bottom: 1.25rem;
            border-radius: var(--radius-md); border: 1px solid transparent;
            transition: var(--transition);
        }
        .step-list li:hover { border-color: var(--border); background: var(--surface-hover); }
        .step-list li::before {
            counter-increment: step-counter; content: counter(step-counter);
            position: absolute; left: 1rem; top: 1.25rem;
            width: 32px; height: 32px; background-color: var(--accent2); color: var(--bg);
            border-radius: 50%; display: flex; align-items: center; justify-content: center;
            font-family: var(--font-display); font-size: 1.25rem; font-weight: 600;
        }

        /* Checklist */
        .check-list { margin-top: 1.5rem; }
        .check-list li {
            position: relative; padding-left: 2rem; margin-bottom: 0.75rem; color: var(--muted);
        }
        .check-list li::before {
            content: ''; position: absolute; left: 0; top: 6px;
            width: 18px; height: 18px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232dd4a7' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
            background-size: contain; background-repeat: no-repeat;
        }

        /* Warning/Alert styling */
        .alert-text { color: var(--accent); font-weight: 600; }

        /* --- FAQ SECTION --- */
        .faq-wrapper { background: var(--surface); border-radius: var(--radius-lg); padding: 2rem; margin-bottom: 3rem; border: 1px solid var(--border); }
        .faq-wrapper h2 { border-bottom: none; text-align: center; margin-bottom: 2rem; color: var(--accent); }
        details { border-bottom: 1px solid var(--border); padding: 1rem 0; }
        details:last-child { border-bottom: none; }
        summary {
            font-family: var(--font-display); font-size: 1.25rem; font-weight: 500;
            color: var(--text); cursor: pointer; list-style: none;
            display: flex; justify-content: space-between; align-items: center;
            padding-right: 1rem;
        }
        summary::-webkit-details-marker { display: none; }
        summary::after {
            content: '+'; color: var(--accent2); font-size: 1.5rem; font-weight: 400; transition: var(--transition);
        }
        details[open] summary::after { content: '-'; color: var(--accent); }
        details p { margin-top: 1rem; color: var(--muted); padding-left: 0.5rem; }

        /* --- RELATED PAGES (Dashboard Tiles) --- */
        .related-pages { margin-bottom: 4rem; }
        .related-pages h3 { text-align: center; margin-bottom: 1.5rem; color: var(--text); font-size: 2rem; }
        .tile-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
        .tile-link {
            display: flex; align-items: center; justify-content: space-between;
            background: var(--surface); padding: 1.25rem; border-radius: var(--radius-md);
            border: 1px solid var(--border); color: var(--text); font-weight: 600;
            text-transform: capitalize; transition: var(--transition);
        }
        .tile-link:hover { background: var(--accent2); color: var(--bg); border-color: var(--accent2); }
        .tile-link::after { content: '→'; font-family: monospace; font-size: 1.2rem; }

        /* --- CTA SECTION --- */
        .cta-block {
            background: linear-gradient(135deg, var(--surface) 0%, #0a3022 100%);
            border: 1px solid var(--accent); border-radius: var(--radius-lg);
            padding: 3rem 2rem; text-align: center; margin-bottom: 4rem;
            position: relative; overflow: hidden;
        }
        .cta-block::before {
            /* Tiger motif abstract hint */
            content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
            background: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(240, 180, 41, 0.03) 10px, rgba(240, 180, 41, 0.03) 20px);
            pointer-events: none;
        }
        .cta-block h2 { font-size: 2.5rem; color: var(--accent); border: none; margin-bottom: 1rem; position: relative; z-index: 1; }
        .cta-block p { color: var(--text); margin-bottom: 2rem; font-size: 1.125rem; position: relative; z-index: 1; }
        .btn-group { display: flex; flex-direction: column; gap: 1rem; justify-content: center; position: relative; z-index: 1; }

        .btn {
            display: inline-flex; align-items: center; justify-content: center;
            min-height: 48px; padding: 0 2rem; border-radius: 24px;
            font-family: var(--font-display); font-size: 1.25rem; font-weight: 600;
            text-transform: uppercase; letter-spacing: 1px; cursor: pointer; transition: var(--transition);
        }
        .btn-primary { background-color: var(--accent); color: var(--bg); border: none; }
        .btn-primary:hover { background-color: var(--accent-hover); transform: translateY(-2px); }
        .btn-secondary { background-color: transparent; color: var(--accent2); border: 2px solid var(--accent2); }
        .btn-secondary:hover { background-color: var(--accent2); color: var(--bg); transform: translateY(-2px); }

        /* --- FOOTER (Verbatim styling constraints) --- */
        footer { background-color: var(--surface); padding: 3rem 0; border-top: 1px solid var(--border); font-size: 0.875rem; color: var(--muted); }
        .footer-brand { font-family: var(--font-display); font-size: 2rem; color: var(--accent); text-transform: uppercase; display: block; margin-bottom: 1rem; }
        .footer-tagline { margin-bottom: 2rem; max-width: 600px; }
        .footer-links { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2rem; }
        .footer-links a { color: var(--text); }
        .footer-links a:hover { color: var(--accent); }
        .zb-disclaimer { background-color: rgba(0,0,0,0.2); padding: 1.5rem; border-radius: var(--radius-sm); margin-bottom: 2rem; border: 1px solid rgba(255,255,255,0.05); }
        .zb-18 { display: inline-block; background-color: #d32f2f; color: white; padding: 2px 6px; border-radius: 4px; font-weight: bold; margin-bottom: 10px; font-size: 0.75rem; }
        .zb-disclaimer p { margin-bottom: 0.5rem; font-size: 0.75rem; }
        .zb-disclaimer p:last-child { margin-bottom: 0; }
        .copyright { text-align: center; border-top: 1px solid rgba(255,255,255,0.05); padding-top: 1.5rem; }

        /* --- RESPONSIVE --- */
        @media (min-width: 768px) {
            h1 { font-size: 3.5rem; }
            .menu-toggle { display: none; }
            #main-nav { display: block; position: static; background: none; border: none; padding: 0; width: auto; }
            #main-nav ul { flex-direction: row; gap: 2rem; }
            .tile-grid { grid-template-columns: repeat(2, 1fr); }
            .btn-group { flex-direction: row; }
            .data-card { padding: 2rem; }
        }
        @media (min-width: 1024px) {
            .page-content { padding: 4rem 20px; }
            .tile-grid { grid-template-columns: repeat(4, 1fr); }
        }


/* 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; }