:root {
            /* Palette */
            --bg: #120616;
            --surface: #241028;
            --surface-hover: #2f1636;
            --accent: #e9b949; /* Gold Coin */
            --accent2: #c084fc; /* Neon Violet */
            --emerald: #10b981; /* Jungle Emerald Motif */
            --text: #faf5ff;
            --muted: #ab93b0;

            /* Typography */
            --font-display: 'Bebas Neue', sans-serif;
            --font-body: 'Sora', sans-serif;

            /* Layout */
            --container-max: 1024px;
            --radius-sm: 12px;
            --radius-lg: 24px;
            --radius-pill: 99px;

            /* Transitions */
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        /* Typography */
        h1, h2, h3, .brand, .footer-brand {
            font-family: var(--font-display);
            text-transform: uppercase;
            letter-spacing: 1px;
            font-weight: 400;
            line-height: 1.1;
        }

        h1 { font-size: clamp(2.5rem, 5vw, 4rem); color: var(--accent); text-shadow: 0 4px 12px rgba(233, 185, 73, 0.2); margin-bottom: 1rem; }
        h2 { font-size: clamp(2rem, 4vw, 2.75rem); color: var(--text); margin-bottom: 1.25rem; display: flex; align-items: center; gap: 0.75rem; }
        h3 { font-size: 1.75rem; color: var(--accent2); }

        p { margin-bottom: 1.25rem; }
        p:last-child { margin-bottom: 0; }

        a { color: var(--accent); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--emerald); }

        /* Container */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-pill);
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            border: 2px solid transparent;
            min-height: 44px; /* Touch target */
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), #d4a02c);
            color: var(--bg);
            box-shadow: 0 4px 15px rgba(233, 185, 73, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(233, 185, 73, 0.5);
            color: var(--bg);
        }

        .btn-secondary {
            background: transparent;
            border-color: var(--accent2);
            color: var(--accent2);
        }
        .btn-secondary:hover {
            background: rgba(192, 132, 252, 0.1);
            border-color: var(--text);
            color: var(--text);
        }

        /* --- HEADER (Part A1 styles) --- */
        header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(18, 6, 22, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(192, 132, 252, 0.15);
            padding: 1rem 0;
        }

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

        .brand, .footer-brand {
            font-size: 2.25rem;
            color: var(--emerald);
            text-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
            letter-spacing: 2px;
        }

        .nav-links {
            display: flex;
            gap: 1.5rem;
        }

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

        .header-ctas {
            display: flex;
            gap: 1rem;
        }

        .menu-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 1.75rem;
            cursor: pointer;
            min-width: 44px;
            min-height: 44px;
        }

        /* --- HERO BANNER --- */
        .hero {
            position: relative;
            padding: 4rem 0 3rem;
            background: radial-gradient(circle at 85% 10%, rgba(16, 185, 129, 0.15) 0%, transparent 40%),
                        radial-gradient(circle at 15% 90%, rgba(192, 132, 252, 0.1) 0%, transparent 40%);
            border-bottom: 1px solid rgba(255,255,255,0.05);
            text-align: center;
        }

        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 1.5rem;
            display: inline-block;
            background: rgba(36, 16, 40, 0.6);
            padding: 0.4rem 1rem;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(192, 132, 252, 0.2);
        }

        .meta-chips {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .chip {
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--surface);
            color: var(--emerald);
            padding: 0.4rem 1rem;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(16, 185, 129, 0.2);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .chip::before {
            content: '';
            display: block;
            width: 8px;
            height: 8px;
            background: var(--emerald);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--emerald);
        }

        .intro-card {
            background: linear-gradient(180deg, var(--surface) 0%, rgba(36, 16, 40, 0.4) 100%);
            border-radius: var(--radius-lg);
            padding: 2rem;
            max-width: 800px;
            margin: 0 auto;
            border: 1px solid rgba(192, 132, 252, 0.15);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            text-align: left;
            position: relative;
            overflow: hidden;
        }

        .intro-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent2), var(--emerald), var(--accent));
        }

        .intro-card p {
            font-size: 1.05rem;
            color: var(--text);
            line-height: 1.8;
        }

        /* --- MAIN CONTENT --- */
        .content-area {
            padding: 4rem 0;
            display: flex;
            flex-direction: column;
            gap: 3rem;
        }

        .section-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            border: 1px solid rgba(255,255,255,0.03);
            box-shadow: 0 8px 24px rgba(0,0,0,0.15);
            position: relative;
            transition: var(--transition);
        }

        .section-card:hover {
            border-color: rgba(16, 185, 129, 0.2);
            box-shadow: 0 12px 32px rgba(0,0,0,0.25), inset 0 0 20px rgba(16, 185, 129, 0.02);
            transform: translateY(-3px);
        }

        .section-card h2::before {
            content: '♦';
            color: var(--emerald);
            font-size: 1.5rem;
            text-shadow: 0 0 10px var(--emerald);
        }

        /* Inline links in content */
        .section-card p a {
            color: var(--accent);
            font-weight: 600;
            border-bottom: 1px dashed var(--accent);
            padding-bottom: 2px;
        }
        .section-card p a:hover {
            color: var(--accent2);
            border-bottom-color: var(--accent2);
            border-bottom-style: solid;
        }

        /* Checklist Styling */
        .playful-list {
            list-style: none;
            margin-top: 1.5rem;
            display: grid;
            gap: 1rem;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        }

        .playful-list li {
            background: rgba(18, 6, 22, 0.5);
            padding: 1rem 1.25rem 1rem 3rem;
            border-radius: var(--radius-sm);
            position: relative;
            font-size: 0.95rem;
            border: 1px solid rgba(233, 185, 73, 0.1);
        }

        .playful-list li::before {
            content: '🪙'; /* Gold coin motif */
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.2rem;
            filter: drop-shadow(0 0 5px rgba(233, 185, 73, 0.5));
        }

        /* --- FAQ SECTION --- */
        .faq-section {
            margin-top: 2rem;
        }

        .faq-section h2::before {
            content: '❓';
            color: var(--accent2);
            text-shadow: none;
        }

        details {
            background: rgba(18, 6, 22, 0.6);
            border: 1px solid rgba(192, 132, 252, 0.2);
            border-radius: var(--radius-sm);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: var(--transition);
        }

        details:hover {
            border-color: var(--accent2);
        }

        summary {
            padding: 1.25rem 1.5rem;
            font-family: var(--font-display);
            font-size: 1.3rem;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            letter-spacing: 0.5px;
        }

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

        summary::after {
            content: '+';
            color: var(--accent);
            font-size: 1.5rem;
            font-family: var(--font-body);
            font-weight: 300;
            transition: transform 0.3s ease;
        }

        details[open] summary::after {
            content: '−';
            color: var(--emerald);
            transform: rotate(180deg);
        }

        details p {
            padding: 0 1.5rem 1.25rem;
            color: var(--muted);
            font-size: 0.95rem;
            border-top: 1px dashed rgba(192, 132, 252, 0.1);
            margin-top: 0.5rem;
            padding-top: 1rem;
        }

        /* --- RELATED PAGES WIDGET --- */
        .related-widget {
            background: linear-gradient(135deg, var(--surface) 0%, #1a0b1f 100%);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            text-align: center;
            border: 1px solid rgba(16, 185, 129, 0.2);
            position: relative;
            overflow: hidden;
        }

        .related-widget::after {
            content: '';
            position: absolute;
            bottom: -50px;
            right: -50px;
            width: 150px;
            height: 150px;
            background: radial-gradient(circle, rgba(16,185,129,0.2) 0%, transparent 70%);
            border-radius: 50%;
        }

        .related-widget h3 {
            margin-bottom: 1.5rem;
            color: var(--text);
        }

        .related-grid {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .related-grid a {
            display: inline-block;
            background: rgba(18, 6, 22, 0.8);
            padding: 1rem 1.5rem;
            border-radius: var(--radius-pill);
            color: var(--emerald);
            font-family: var(--font-display);
            font-size: 1.2rem;
            letter-spacing: 1px;
            border: 1px solid rgba(16, 185, 129, 0.3);
            text-transform: uppercase;
        }

        .related-grid a:hover {
            background: var(--emerald);
            color: var(--bg);
            box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
            transform: scale(1.05);
        }

        /* --- FINAL CTA --- */
        .final-cta {
            text-align: center;
            padding: 4rem 2rem;
            background: linear-gradient(to right, rgba(36, 16, 40, 0.8), rgba(18, 6, 22, 0.9)), url('data:image/svg+xml;utf8,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle cx="2" cy="2" r="1" fill="%23c084fc" fill-opacity="0.1"/></svg>');
            border-radius: var(--radius-lg);
            border: 2px solid rgba(233, 185, 73, 0.2);
            margin-bottom: 4rem;
        }

        .final-cta h2 {
            justify-content: center;
            font-size: clamp(2.2rem, 4vw, 3rem);
            color: var(--accent);
            margin-bottom: 1rem;
        }
        .final-cta h2::before { display: none; }

        .final-cta p {
            color: var(--text);
            font-size: 1.1rem;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-group {
            display: flex;
            justify-content: center;
            gap: 1rem;
        }

        /* --- FOOTER (Part A2 styles) --- */
        footer {
            background: #0a030d;
            padding: 4rem 0 2rem;
            border-top: 1px solid rgba(192, 132, 252, 0.1);
            text-align: center;
        }

        .footer-tagline {
            color: var(--muted);
            max-width: 400px;
            margin: 1rem auto 2rem;
            font-size: 0.9rem;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1rem 1.5rem;
            margin-bottom: 3rem;
        }

        .footer-links a {
            color: var(--text);
            font-size: 0.85rem;
        }
        .footer-links a:hover { color: var(--accent2); }

        .copyright {
            color: rgba(171, 147, 176, 0.5);
            font-size: 0.8rem;
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 2rem;
        }

        /* --- RESPONSIVE (Mobile First approach naturally handled, these are overrides) --- */
        @media (max-width: 768px) {
            .header-inner { flex-wrap: wrap; }
            .menu-toggle { display: block; }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: center;
                padding: 1rem 0;
                gap: 1rem;
                order: 3;
            }
            .nav-links.active { display: flex; }
            .header-ctas { display: none; } /* Simplified mobile header */

            .hero { padding: 3rem 0 2rem; }
            .section-card { padding: 1.5rem; }
            .cta-group { flex-direction: column; }
            .cta-group .btn { width: 100%; }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .nav-links { gap: 1rem; }
            .nav-links a { font-size: 0.85rem; }
        }


/* 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; }