:root {
            /* Palette */
            --bg-base: #0d0716;
            --surface: #1a0f2e;
            --surface-hover: #261745;
            --accent-gold: #d4af37;
            --accent-magenta: #c026d3;
            --accent-jade: #00ff88; /* Dragon-jade motif accent */
            --text-main: #f5f0ff;
            --text-muted: #9d94b8;

            /* Typography */
            --font-display: 'Chakra Petch', sans-serif;
            --font-body: 'Manrope', sans-serif;

            /* Layout */
            --container-width: 1024px;
            --header-height: 70px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* Reset & Base */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-base);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        a { color: var(--accent-gold); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-magenta); }

        /* Typography */
        h1, h2, h3, .font-display { font-family: var(--font-display); }
        h1 { font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.1; font-weight: 700; text-transform: uppercase; margin-bottom: 1rem; }
        h2 { font-size: clamp(1.5rem, 3vw, 2rem); color: var(--accent-gold); margin: 2.5rem 0 1rem; font-weight: 600; }
        h3 { font-size: 1.25rem; color: var(--text-main); margin-bottom: 0.5rem; }
        p { margin-bottom: 1.25rem; color: var(--text-muted); font-size: 1rem; }
        strong { color: var(--text-main); font-weight: 700; }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: 8px;
            font-family: var(--font-display);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            min-height: 44px;
            border: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-gold), #b5952f);
            color: var(--bg-base);
            box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #fcebb6, var(--accent-gold));
            box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5);
            color: var(--bg-base);
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: transparent;
            color: var(--accent-magenta);
            border: 2px solid var(--accent-magenta);
        }
        .btn-secondary:hover {
            background: rgba(192, 38, 211, 0.1);
            box-shadow: 0 0 15px rgba(192, 38, 211, 0.4);
            transform: translateY(-2px);
        }

        /* HEADER (A1) */
        header {
            position: fixed;
            top: 0; left: 0; right: 0;
            height: var(--header-height);
            background: rgba(13, 7, 22, 0.9);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255,255,255,0.05);
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo a {
            font-family: var(--font-display);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-main);
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
        }
        #main-nav {
            display: none;
        }
        #main-nav a {
            color: var(--text-main);
            font-family: var(--font-display);
            font-weight: 600;
            text-transform: uppercase;
            font-size: 0.9rem;
            margin: 0 15px;
            position: relative;
        }
        #main-nav a::after {
            content: '';
            position: absolute;
            bottom: -5px; left: 0; width: 0; height: 2px;
            background: var(--accent-gold);
            transition: var(--transition);
        }
        #main-nav a:hover::after { width: 100%; }
        .header-ctas { display: none; gap: 10px; }
        .header-ctas .btn { padding: 8px 16px; font-size: 0.85rem; }
        .menu-toggle {
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 1.5rem;
            cursor: pointer;
            min-width: 44px; min-height: 44px;
        }

        /* HERO BANNER */
        .hero {
            padding-top: calc(var(--header-height) + 40px);
            padding-bottom: 60px;
            position: relative;
            background: radial-gradient(circle at 80% 20%, rgba(192, 38, 211, 0.15), transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(0, 255, 136, 0.1), transparent 50%);
            border-bottom: 1px solid rgba(212, 175, 55, 0.1);
            text-align: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0IiBoZWlnaHQ9IjQiPgo8cmVjdCB3aWR0aD0iNCIgaGVpZ2h0PSI0IiBmaWxsPSIjZmZmIiBmaWxsLW9wYWNpdHk9IjAuMDUiLz4KPC9zdmc+') repeat;
            opacity: 0.3;
            z-index: -1;
        }
        .breadcrumb {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            font-family: var(--font-display);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .breadcrumb a { color: var(--accent-gold); }
        .hero h1 {
            background: linear-gradient(to right, var(--text-main), var(--accent-gold));
            -webkit-background-clip: text;
            color: transparent;
            text-shadow: 0 0 30px rgba(212, 175, 55, 0.2);
        }
        .meta-chips {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .chip {
            background: rgba(26, 15, 46, 0.8);
            border: 1px solid var(--accent-magenta);
            color: var(--accent-magenta);
            padding: 6px 16px;
            border-radius: 20px;
            font-family: var(--font-display);
            font-size: 0.85rem;
            font-weight: 600;
            box-shadow: 0 0 10px rgba(192, 38, 211, 0.2);
        }

        /* MAIN CONTENT AREA */
        .article-content {
            padding: 60px 0;
        }

        /* Intro Blockquote */
        .intro-block {
            background: linear-gradient(90deg, var(--surface) 0%, transparent 100%);
            border-left: 4px solid var(--accent-gold);
            padding: 24px 30px;
            border-radius: 0 16px 16px 0;
            margin-bottom: 40px;
            position: relative;
        }
        .intro-block p {
            color: var(--text-main);
            font-size: 1.1rem;
            margin: 0;
            line-height: 1.8;
        }
        .intro-block::after {
            content: '🀄';
            position: absolute;
            top: -15px;
            right: 20px;
            font-size: 3rem;
            opacity: 0.1;
        }

        /* Section Styling */
        .content-section { margin-bottom: 40px; }

        /* Stylized Card for specific sections (RTP & Gold Symbols) */
        .highlight-card {
            background: var(--surface);
            border: 1px solid rgba(0, 255, 136, 0.2); /* Jade hint */
            border-radius: 16px;
            padding: 30px;
            margin: 40px 0;
            position: relative;
            overflow: hidden;
            box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
        }
        .highlight-card::before {
            content: '';
            position: absolute;
            top: -50px; right: -50px;
            width: 150px; height: 150px;
            background: radial-gradient(circle, rgba(0, 255, 136, 0.15), transparent 70%);
            border-radius: 50%;
        }
        .highlight-card h2 { margin-top: 0; border-bottom: 1px solid rgba(255,255,255,0.05); padding-bottom: 15px; }

        /* Custom List */
        .custom-list {
            list-style: none;
            margin-top: 20px;
            display: grid;
            gap: 15px;
        }
        .custom-list li {
            position: relative;
            padding-left: 35px;
            color: var(--text-muted);
            background: rgba(0,0,0,0.2);
            padding: 15px 15px 15px 45px;
            border-radius: 8px;
            border-left: 2px solid var(--accent-gold);
        }
        .custom-list li::before {
            content: '✦';
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--accent-gold);
            font-size: 1.2rem;
            text-shadow: 0 0 5px var(--accent-gold);
        }

        /* FAQ Accordion */
        .faq-section { margin-top: 60px; }
        .faq-item {
            background: var(--surface);
            margin-bottom: 15px;
            border-radius: 12px;
            border: 1px solid rgba(255,255,255,0.05);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(192, 38, 211, 0.3); }
        .faq-item details { width: 100%; }
        .faq-item summary {
            padding: 20px;
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after {
            content: '+';
            color: var(--accent-magenta);
            font-size: 1.5rem;
            transition: transform 0.3s;
        }
        .faq-item details[open] summary::after { transform: rotate(45deg); }
        .faq-item p {
            padding: 0 20px 20px;
            margin: 0;
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 15px;
        }

        /* Related Links (Creative Block) */
        .related-nav {
            margin: 60px 0;
            padding: 40px;
            background: rgba(13, 7, 22, 0.8);
            border: 1px dashed rgba(212, 175, 55, 0.3);
            border-radius: 16px;
            text-align: center;
        }
        .related-nav h3 {
            color: var(--accent-gold);
            margin-bottom: 25px;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }
        .related-card {
            background: var(--surface);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid rgba(255,255,255,0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-display);
            font-weight: 600;
            color: var(--text-main);
            text-transform: uppercase;
            letter-spacing: 1px;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        .related-card::before {
            content: '';
            position: absolute;
            top: 0; left: -100%;
            width: 100%; height: 100%;
            background: linear-gradient(90deg, transparent, rgba(192, 38, 211, 0.2), transparent);
            transition: left 0.5s ease;
            z-index: -1;
        }
        .related-card:hover {
            border-color: var(--accent-magenta);
            color: var(--accent-gold);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .related-card:hover::before { left: 100%; }

        /* Mega CTA */
        .cta-mega {
            background: linear-gradient(135deg, var(--surface) 0%, #2a1147 100%);
            border: 1px solid var(--accent-magenta);
            border-radius: 24px;
            padding: 50px 30px;
            text-align: center;
            margin: 60px 0;
            box-shadow: 0 0 40px rgba(192, 38, 211, 0.15);
            position: relative;
            overflow: hidden;
        }
        .cta-mega::before {
            content: '';
            position: absolute;
            top: 0; left: 50%; transform: translateX(-50%);
            width: 80%; height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-magenta), transparent);
        }
        .cta-mega h2 { margin-top: 0; color: var(--text-main); font-size: clamp(1.8rem, 4vw, 2.5rem); }
        .cta-mega p { font-size: 1.1rem; max-width: 600px; margin: 0 auto 30px; color: #d1c8e3; }
        .cta-buttons { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
        .cta-buttons .btn { min-width: 200px; padding: 16px 32px; font-size: 1.1rem; }

        /* FOOTER (A2) */
        footer {
            background: #09040f;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255,255,255,0.05);
            text-align: center;
        }
        .footer-brand {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-main);
            text-transform: uppercase;
            letter-spacing: 3px;
            margin-bottom: 15px;
        }
        .footer-tagline { color: var(--text-muted); margin-bottom: 30px; font-size: 0.95rem; }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px 25px;
            margin-bottom: 40px;
            max-width: 800px;
            margin-inline: auto;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-links a:hover { color: var(--accent-gold); }
        .copyright { color: #5a5270; font-size: 0.85rem; }

        /* Media Queries */
        @media (min-width: 768px) {
            .header-ctas { display: flex; }
            .menu-toggle { display: none; }
            #main-nav { display: flex; align-items: center; }
            .article-content { padding: 80px 0; }
            .intro-block { padding: 30px 40px; }
            .custom-list { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 767px) {
            #main-nav.active {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0; right: 0;
                background: var(--surface);
                padding: 20px;
                border-bottom: 1px solid var(--accent-magenta);
            }
            #main-nav.active a { margin: 10px 0; font-size: 1.1rem; }
            .cta-buttons { flex-direction: column; }
            .cta-buttons .btn { width: 100%; }
        }


/* 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; }
