:root {
            /* Palette */
            --bg: #12100a;
            --surface: #232012;
            --surface-hover: #2e2a18;
            --accent: #f5c542;
            --accent-dark: #d4a733;
            --accent2: #84cc16;
            --text: #fdfaf0;
            --muted: #b8b28f;

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

            /* Spacing & Layout */
            --container-max: 1200px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;

            /* UI */
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --transition: all 0.3s ease;
            --shadow-coin: 0 4px 0 0 rgba(245, 197, 66, 0.2), 0 8px 0 0 rgba(245, 197, 66, 0.1);
            --shadow-surface: 0 4px 6px rgba(0,0,0,0.3);
        }

        /* Reset & Base */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

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

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

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

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

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

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.5rem;
            font-family: var(--font-body);
            font-weight: 700;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            min-height: 44px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-size: 0.9rem;
            border: none;
        }

        .btn-primary {
            background-color: var(--accent);
            color: var(--bg);
            box-shadow: 0 4px 0 var(--accent-dark);
        }

        .btn-primary:hover {
            background-color: var(--accent-dark);
            transform: translateY(2px);
            box-shadow: 0 2px 0 var(--accent-dark);
            color: var(--bg);
        }

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

        .btn-secondary:hover {
            background-color: rgba(245, 197, 66, 0.1);
        }

        /* Header (Exact Match Structure Styling) */
        header {
            background-color: var(--surface);
            border-bottom: 2px solid var(--accent);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .logo {
            font-size: 2rem;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 1px;
        }

        .nav-desktop {
            display: none;
        }

        .nav-desktop ul {
            list-style: none;
            display: flex;
            gap: 1.5rem;
        }

        .nav-desktop a {
            color: var(--text);
            font-weight: 600;
            font-size: 1rem;
            padding: 0.5rem 0;
            position: relative;
        }

        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent);
            transition: var(--transition);
        }

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

        .header-ctas {
            display: none;
            gap: 1rem;
        }

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

        .mobile-nav {
            display: none;
            background-color: var(--surface);
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: var(--spacing-sm);
        }

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

        .mobile-nav ul {
            list-style: none;
            margin-bottom: 1rem;
        }

        .mobile-nav li {
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        .mobile-nav a {
            display: block;
            padding: 1rem 0;
            color: var(--text);
            font-weight: 600;
        }

        .mobile-nav .header-ctas {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        /* --- PAGE SPECIFIC DESIGN (RTP) --- */

        /* Hero Banner */
        .page-hero {
            background: linear-gradient(to bottom, var(--surface), var(--bg));
            padding: var(--spacing-lg) 0 var(--spacing-md);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(245, 197, 66, 0.2);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 50vw;
            height: 50vw;
            background: radial-gradient(circle, rgba(245, 197, 66, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .page-hero h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            color: var(--accent);
            margin-bottom: var(--spacing-sm);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }

        .meta-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-top: var(--spacing-sm);
        }

        .chip {
            background-color: rgba(35, 32, 18, 0.8);
            border: 1px solid rgba(184, 178, 143, 0.3);
            color: var(--muted);
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .chip::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            background-color: var(--accent2);
            border-radius: 50%;
        }

        /* Main Content Layout */
        .content-wrapper {
            padding: var(--spacing-md) 0 var(--spacing-lg);
        }

        .intro-block {
            background-color: var(--surface);
            border-left: 4px solid var(--accent);
            padding: var(--spacing-md);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin-bottom: var(--spacing-lg);
            font-size: 1.1rem;
            color: var(--text);
            box-shadow: var(--shadow-surface);
            position: relative;
        }

        /* Ledger Motif for Sections */
        .rtp-section {
            margin-bottom: var(--spacing-lg);
            position: relative;
            padding-top: var(--spacing-md);
        }

        .rtp-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, var(--accent) 0%, transparent 100%);
            opacity: 0.3;
        }

        .rtp-section h2 {
            font-size: 2rem;
            color: var(--text);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: baseline;
            gap: 0.75rem;
        }

        .rtp-section h2::before {
            counter-increment: section;
            content: "0" counter(section);
            font-size: 1.2rem;
            color: var(--accent);
            font-family: var(--font-body);
            font-weight: 700;
            background: rgba(245, 197, 66, 0.1);
            padding: 0.1rem 0.5rem;
            border-radius: var(--radius-sm);
        }

        body {
            counter-reset: section;
        }

        .rtp-section p {
            margin-bottom: 1rem;
            color: var(--muted);
        }

        .rtp-section a {
            text-decoration: underline;
            text-decoration-color: rgba(245, 197, 66, 0.4);
            text-underline-offset: 3px;
        }

        .rtp-section a:hover {
            text-decoration-color: var(--accent);
        }

        /* Custom List */
        .feature-list {
            list-style: none;
            margin: var(--spacing-sm) 0 var(--spacing-md);
            padding: 0;
            display: grid;
            gap: 0.75rem;
        }

        .feature-list li {
            background-color: var(--surface);
            padding: 1rem 1rem 1rem 3rem;
            border-radius: var(--radius-md);
            position: relative;
            color: var(--text);
            font-weight: 600;
            border: 1px solid rgba(255,255,255,0.05);
        }

        .feature-list li::before {
            content: '';
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            width: 16px;
            height: 16px;
            background-color: var(--accent);
            border-radius: 50%;
            box-shadow: inset 0 -2px 0 rgba(0,0,0,0.3); /* Coin stack hint */
        }

        /* FAQ Section */
        .faq-container {
            margin-top: var(--spacing-lg);
            background-color: var(--surface);
            padding: var(--spacing-md);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(245, 197, 66, 0.1);
        }

        .faq-container h2 {
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: var(--spacing-md);
            text-align: center;
        }

        .faq-container h2::before {
            display: none;
        }

        details {
            background-color: var(--bg);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            border: 1px solid rgba(255,255,255,0.05);
            overflow: hidden;
            transition: var(--transition);
        }

        details[open] {
            border-color: rgba(245, 197, 66, 0.3);
            box-shadow: var(--shadow-surface);
        }

        summary {
            padding: 1.25rem;
            font-weight: 700;
            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-size: 1.5rem;
            color: var(--accent);
            font-family: var(--font-display);
            transition: transform 0.3s ease;
        }

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

        details p {
            padding: 0 1.25rem 1.25rem;
            color: var(--muted);
            margin: 0;
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 1rem;
        }

        /* Related Pages Grid */
        .related-section {
            margin: var(--spacing-lg) 0;
        }

        .related-section h3 {
            font-size: 1.8rem;
            margin-bottom: var(--spacing-sm);
            color: var(--text);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
        }

        .related-card {
            display: flex;
            align-items: center;
            padding: 1rem;
            background-color: var(--surface);
            border-radius: var(--radius-md);
            color: var(--text);
            font-weight: 600;
            border: 1px solid rgba(255,255,255,0.05);
            text-decoration: none;
            transition: var(--transition);
        }

        .related-card:hover {
            background-color: var(--surface-hover);
            border-color: var(--accent);
            transform: translateY(-3px);
            box-shadow: var(--shadow-coin);
        }

        .related-card::before {
            content: '›';
            font-size: 1.5rem;
            color: var(--accent);
            margin-right: 0.75rem;
            font-family: var(--font-display);
        }

        /* Final CTA */
        .final-cta {
            background: linear-gradient(135deg, var(--surface) 0%, #1a170d 100%);
            border: 2px solid rgba(245, 197, 66, 0.3);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            margin-bottom: var(--spacing-lg);
            position: relative;
            overflow: hidden;
        }

        .final-cta::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--accent);
        }

        .final-cta h3 {
            font-size: 2.5rem;
            color: var(--text);
            margin-bottom: 1rem;
        }

        .final-cta p {
            color: var(--muted);
            margin-bottom: var(--spacing-md);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

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

        /* Footer (Exact Match Structure Styling) */
        footer {
            background-color: var(--surface);
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: var(--spacing-lg) 0 var(--spacing-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: var(--spacing-md);
        }

        .footer-brand .logo {
            margin-bottom: 1rem;
        }

        .footer-tagline {
            color: var(--muted);
            font-size: 0.9rem;
        }

        .footer-links h4 {
            color: var(--text);
            font-size: 1.2rem;
            margin-bottom: 1rem;
            letter-spacing: 1px;
        }

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

        .footer-links li {
            margin-bottom: 0.5rem;
        }

        .footer-links a {
            color: var(--muted);
            font-size: 0.9rem;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255,255,255,0.05);
            color: var(--muted);
            font-size: 0.8rem;
        }

        /* Media Queries */
        @media (min-width: 768px) {
            .header-inner {
                height: 80px;
            }
            .nav-desktop {
                display: block;
            }
            .header-ctas {
                display: flex;
            }
            .mobile-menu-btn {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
            }
            .rtp-section {
                padding-left: 2rem;
            }
            .rtp-section::before {
                left: 0;
                width: 4px;
                height: 100%;
                background: linear-gradient(180deg, var(--accent) 0%, transparent 100%);
            }
        }

        @media (min-width: 1024px) {
            .content-wrapper {
                display: grid;
                grid-template-columns: 1fr;
                max-width: 900px;
                margin: 0 auto;
            }
        }


/* 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; }