:root {
            --bg: #0a0726;
            --surface: #171238;
            --surface-light: #231b54;
            --accent: #fbbf24;
            --accent-hover: #f59e0b;
            --accent2: #818cf8;
            --text: #f2f0ff;
            --muted: #a5a1c9;
            --font-display: 'Bebas Neue', sans-serif;
            --font-body: 'Sora', sans-serif;
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }

        * {
            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;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

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

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

        h1, h2, h3, h4 {
            font-family: var(--font-display);
            font-weight: normal;
            letter-spacing: 1px;
            line-height: 1.2;
            color: var(--text);
        }

        /* BUTTONS */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.5rem;
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition);
            min-height: 44px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

        .btn-primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            color: var(--bg);
        }

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

        .btn-secondary:hover {
            background-color: rgba(251, 191, 36, 0.1);
        }

        /* HEADER (A1) */
        header {
            background-color: var(--surface);
            border-bottom: 1px solid rgba(251, 191, 36, 0.2);
            position: sticky;
            top: 0;
            z-index: 100;
        }

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

        .brand {
            font-family: var(--font-display);
            font-size: 2rem;
            color: var(--accent);
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .brand:hover {
            color: var(--text);
        }

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

        nav a {
            color: var(--text);
            font-size: 0.9rem;
            font-weight: 600;
        }

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

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

        .mobile-toggle {
            display: block;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            cursor: pointer;
            min-width: 44px;
            min-height: 44px;
        }

        .mobile-menu {
            display: none;
            background-color: var(--surface-light);
            padding: 1rem 1.5rem;
            border-bottom: 1px solid rgba(251, 191, 36, 0.2);
        }

        .mobile-menu.active {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .mobile-menu a:not(.btn) {
            color: var(--text);
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        @media (min-width: 1024px) {
            .mobile-toggle { display: none; }
            nav ul { display: flex; }
            .header-actions { display: flex; }
            .mobile-menu.active { display: none; }
        }

        /* HERO BANNER */
        .hero {
            padding: 4rem 0 5rem;
            background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(251, 191, 36, 0.1);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image:
                linear-gradient(90deg, rgba(251, 191, 36, 0.03) 1px, transparent 1px),
                linear-gradient(rgba(251, 191, 36, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: 0;
            opacity: 0.5;
        }

        .hero .container {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 900px;
        }

        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 1.5rem;
            display: inline-block;
            background: rgba(23, 18, 56, 0.8);
            padding: 0.5rem 1rem;
            border-radius: 20px;
            border: 1px solid rgba(165, 161, 201, 0.2);
        }

        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            color: var(--accent);
            margin-bottom: 1.5rem;
            text-shadow: 0 4px 20px rgba(251, 191, 36, 0.2);
        }

        .meta-chips {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
        }

        .chip {
            background-color: var(--surface-light);
            color: var(--accent2);
            padding: 0.4rem 1rem;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            border-left: 2px solid var(--accent2);
        }

        .hero-intro {
            font-size: 1.1rem;
            color: var(--text);
            background: rgba(23, 18, 56, 0.6);
            padding: 2rem;
            border-radius: var(--border-radius);
            border-top: 3px solid var(--accent);
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            text-align: left;
        }

        /* MAIN CONTENT */
        .content-area {
            padding: 4rem 0;
        }

        .section-block {
            margin-bottom: 4rem;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-block h2 {
            font-size: 2.2rem;
            color: var(--text);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .section-block h2::before {
            content: '';
            display: block;
            width: 30px;
            height: 4px;
            background-color: var(--accent);
            border-radius: 2px;
        }

        .section-block p {
            margin-bottom: 1.5rem;
            color: var(--muted);
        }

        .section-block p strong {
            color: var(--text);
        }

        /* GOLD BAR STACK MOTIF (Lists) */
        .vip-list {
            list-style: none;
            margin: 2rem 0;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .vip-list li {
            background-color: var(--surface);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--accent);
            color: var(--text);
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }

        .vip-list li:hover {
            transform: translateX(5px);
            background-color: var(--surface-light);
        }

        .vip-list li::after {
            content: '';
            position: absolute;
            top: 0; right: 0; bottom: 0; width: 100px;
            background: linear-gradient(90deg, transparent, rgba(251,191,36,0.03));
            pointer-events: none;
        }

        /* FAQ SECTION */
        .faq-section {
            background-color: var(--surface);
            padding: 4rem 0;
            border-top: 1px solid rgba(165, 161, 201, 0.1);
            border-bottom: 1px solid rgba(165, 161, 201, 0.1);
        }

        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-container h2 {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: var(--accent);
        }

        details {
            background-color: var(--bg);
            border: 1px solid rgba(165, 161, 201, 0.2);
            border-radius: var(--border-radius);
            margin-bottom: 1rem;
            overflow: hidden;
        }

        summary {
            padding: 1.5rem;
            font-weight: 600;
            cursor: pointer;
            color: var(--text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
            min-height: 44px;
        }

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

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

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

        details p {
            padding: 0 1.5rem 1.5rem;
            color: var(--muted);
            margin: 0;
        }

        /* RELATED LINKS */
        .related-links {
            padding: 4rem 0;
            text-align: center;
        }

        .related-links h3 {
            font-size: 2rem;
            margin-bottom: 2rem;
            color: var(--text);
        }

        .related-grid {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        .related-card {
            background: var(--surface);
            border: 1px solid rgba(129, 140, 248, 0.3);
            padding: 1.5rem 2rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            min-width: 200px;
        }

        .related-card:hover {
            background: var(--surface-light);
            border-color: var(--accent2);
            transform: translateY(-3px);
        }

        /* CTA SECTION */
        .cta-section {
            padding: 5rem 0;
            background: linear-gradient(135deg, var(--surface) 0%, #1a1442 100%);
            text-align: center;
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0; left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background-color: var(--accent);
        }

        .cta-inner {
            max-width: 700px;
        }

        .cta-section h2 {
            font-size: 3rem;
            color: var(--accent);
            margin-bottom: 1rem;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: var(--muted);
            margin-bottom: 2.5rem;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        /* FOOTER (A2) */
        footer {
            background-color: var(--bg);
            border-top: 1px solid rgba(255,255,255,0.05);
            padding: 4rem 0 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        @media (min-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 2fr; }
        }

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

        footer p {
            color: var(--muted);
            font-size: 0.9rem;
            max-width: 300px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }

        @media (min-width: 768px) {
            .footer-links { grid-template-columns: repeat(3, 1fr); }
        }

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

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

        .copyright {
            text-align: center;
            color: var(--muted);
            font-size: 0.85rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

        /* RESPONSIVE */
        @media (max-width: 767px) {
            .hero { padding: 3rem 0; }
            .hero h1 { font-size: 2.5rem; }
            .hero-intro { padding: 1.5rem; font-size: 1rem; }
            .section-block h2 { font-size: 1.8rem; }
            .cta-section h2 { font-size: 2.2rem; }
            .cta-buttons { flex-direction: column; width: 100%; }
            .cta-buttons .btn { width: 100%; }
            .related-grid { flex-direction: column; }
        }


/* 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; }