:root {
            --bg: #150715;
            --surface: #291033;
            --surface-light: #3e184d;
            --accent: #f5c542;
            --accent-dark: #b89020;
            --accent2: #e040fb;
            --text: #fdf4ff;
            --muted: #b595b8;
            --font-display: 'Orbitron', sans-serif;
            --font-body: 'Exo 2', sans-serif;
            --gold-gradient: linear-gradient(135deg, #f5c542 0%, #d4af37 50%, #aa8010 100%);
            --border-gold: 1px solid rgba(245, 197, 66, 0.3);
        }

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

        body {
            background-color: var(--bg);
            background-image: radial-gradient(circle at 50% 0%, rgba(41, 16, 51, 0.8) 0%, rgba(21, 7, 21, 1) 70%);
            color: var(--text);
            font-family: var(--font-body);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        a:hover {
            color: var(--text);
            text-shadow: 0 0 8px rgba(245, 197, 66, 0.5);
        }

        h1, h2, h3, .logo, .footer-logo {
            font-family: var(--font-display);
            font-weight: 700;
        }

        /* HEADER STYLES */
        header {
            background: rgba(21, 7, 21, 0.95);
            border-bottom: var(--border-gold);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(10px);
        }

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

        .logo {
            font-size: 24px;
            color: var(--text);
            letter-spacing: 1px;
            text-transform: lowercase;
        }

        .logo span {
            color: var(--accent);
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 24px;
        }

        .nav-links li a {
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent);
            font-size: 28px;
            cursor: pointer;
            padding: 5px;
        }

        /* HERO BANNER */
        .hero {
            padding: 60px 0 40px;
            text-align: center;
            position: relative;
            border-bottom: 1px solid rgba(224, 64, 251, 0.2);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: radial-gradient(circle at center, rgba(224, 64, 251, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .breadcrumb {
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .hero h1 {
            font-size: 32px;
            color: var(--accent);
            margin-bottom: 24px;
            line-height: 1.3;
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .meta-chips {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .meta-chips span {
            background: var(--surface);
            border: var(--border-gold);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 12px;
            color: var(--muted);
            font-family: var(--font-display);
            letter-spacing: 0.5px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.3);
        }

        /* MAIN CONTENT AREA */
        main {
            flex: 1;
            padding-bottom: 60px;
        }

        .content-wrapper {
            max-width: 800px;
            margin: 0 auto;
            padding: 40px 0;
        }

        .intro-block {
            background: var(--surface);
            border-left: 4px solid var(--accent);
            padding: 30px;
            margin-bottom: 50px;
            border-radius: 0 8px 8px 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            position: relative;
        }

        .intro-block::after {
            content: '♛';
            position: absolute;
            top: -15px;
            right: 20px;
            font-size: 24px;
            color: var(--accent);
            opacity: 0.3;
        }

        .intro-block p {
            font-size: 18px;
            color: var(--text);
            font-style: italic;
            font-weight: 300;
        }

        .content-section {
            margin-bottom: 50px;
        }

        .content-section h2 {
            font-size: 24px;
            color: var(--text);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .content-section h2::before {
            content: '♦';
            color: var(--accent);
            font-size: 16px;
        }

        .content-section p {
            margin-bottom: 16px;
            color: var(--muted);
            font-size: 16px;
            text-align: justify;
        }

        .content-section a {
            color: var(--accent2);
            font-weight: 600;
            border-bottom: 1px dashed var(--accent2);
        }

        .content-section a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        .feature-list {
            list-style: none;
            margin: 20px 0;
            padding-left: 10px;
        }

        .feature-list li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 12px;
            color: var(--text);
        }

        .feature-list li::before {
            content: '♛';
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--accent);
            font-size: 14px;
        }

        /* FAQ SECTION */
        .faq-section {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px solid rgba(181, 149, 184, 0.2);
        }

        .faq-section h2 {
            text-align: center;
            color: var(--accent);
            margin-bottom: 30px;
            font-size: 28px;
        }

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

        details {
            background: var(--surface);
            border: var(--border-gold);
            border-radius: 8px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        details[open] {
            box-shadow: 0 0 15px rgba(245, 197, 66, 0.15);
            border-color: var(--accent);
        }

        summary {
            padding: 20px;
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

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

        summary::after {
            content: '+';
            color: var(--accent);
            font-size: 24px;
            font-weight: 400;
            transition: transform 0.3s ease;
        }

        details[open] summary::after {
            transform: rotate(45deg);
            color: var(--accent2);
        }

        details p {
            padding: 0 20px 20px;
            color: var(--muted);
            margin: 0;
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 15px;
        }

        /* RELATED PAGES */
        .related-pages {
            margin-top: 60px;
        }

        .related-pages h2 {
            text-align: center;
            margin-bottom: 30px;
            font-size: 24px;
            color: var(--text);
        }

        .related-pages h2::before {
            display: none;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }

        .related-card {
            background: var(--surface);
            border: 1px solid rgba(224, 64, 251, 0.3);
            padding: 25px 20px;
            border-radius: 8px;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .related-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(224, 64, 251, 0.2);
            border-color: var(--accent2);
        }

        .related-card .icon {
            font-size: 32px;
            color: var(--accent);
            margin-bottom: 15px;
        }

        .related-card a {
            font-family: var(--font-display);
            font-size: 16px;
            color: var(--text);
            text-transform: capitalize;
            border: none;
        }

        .related-card a::after {
            content: ' →';
            color: var(--accent2);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .related-card:hover a::after {
            opacity: 1;
        }

        /* CTA BLOCK */
        .cta-block {
            margin-top: 80px;
            background: linear-gradient(to right, var(--surface), var(--surface-light));
            border: var(--border-gold);
            border-radius: 12px;
            padding: 50px 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '♛';
            position: absolute;
            font-size: 150px;
            color: rgba(245, 197, 66, 0.03);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            pointer-events: none;
        }

        .cta-block h2 {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 15px;
        }

        .cta-block p {
            color: var(--text);
            margin-bottom: 30px;
            font-size: 16px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-group {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-block;
            padding: 14px 32px;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 16px;
            text-transform: uppercase;
            border-radius: 4px;
            letter-spacing: 1px;
            text-align: center;
            min-width: 180px;
        }

        .btn-primary {
            background: var(--gold-gradient);
            color: var(--bg);
            border: none;
            box-shadow: 0 4px 15px rgba(245, 197, 66, 0.4);
        }

        .btn-primary:hover {
            color: var(--bg);
            text-shadow: none;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 197, 66, 0.6);
        }

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

        .btn-secondary:hover {
            background: rgba(245, 197, 66, 0.1);
            color: var(--accent);
            text-shadow: none;
        }

        /* FOOTER STYLES */
        footer {
            background: var(--surface);
            padding: 60px 0 30px;
            border-top: var(--border-gold);
            text-align: center;
        }

        .footer-logo {
            font-size: 32px;
            color: var(--accent);
            margin-bottom: 15px;
            text-transform: lowercase;
        }

        .footer-tagline {
            color: var(--muted);
            font-size: 14px;
            font-style: italic;
            margin-bottom: 30px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px 30px;
            list-style: none;
            margin-bottom: 40px;
        }

        .footer-links li a {
            color: var(--text);
            font-size: 14px;
        }

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

        .copyright {
            color: rgba(181, 149, 184, 0.5);
            font-size: 12px;
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 20px;
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .hero h1 { font-size: 28px; }
        }

        @media (max-width: 768px) {
            .mobile-toggle { display: block; }
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--surface);
                flex-direction: column;
                padding: 20px 0;
                border-bottom: var(--border-gold);
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }
            .nav-links.active { display: flex; }
            .nav-links li { text-align: center; }
            .nav-links li a {
                display: block;
                padding: 12px 20px;
                min-height: 44px;
            }
            .content-wrapper { padding: 30px 0; }
            .intro-block { padding: 20px; border-radius: 8px; border-left: none; border-top: 4px solid var(--accent); }
            .intro-block::after { display: none; }
            .related-grid { grid-template-columns: 1fr; }
            .cta-block { padding: 40px 20px; }
            .btn-group { flex-direction: column; width: 100%; }
            .btn { width: 100%; }
        }

        @media (max-width: 390px) {
            .hero h1 { font-size: 24px; }
            .meta-chips { flex-direction: column; align-items: center; }
            .meta-chips span { width: 100%; text-align: center; }
            .content-section h2 { font-size: 20px; align-items: flex-start; }
            .content-section h2::before { margin-top: 4px; }
            .faq-section h2 { font-size: 24px; }
            summary { font-size: 14px; padding: 16px; min-height: 44px; }
            .footer-links { flex-direction: column; gap: 10px; }
            .footer-links li a { display: block; padding: 10px; min-height: 44px; }
        }


/* 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; }