:root {
            --bg: #0e0618;
            --surface: #1f0f30;
            --surface-light: #2d1645;
            --accent: #ff00ff;
            --accent-glow: rgba(255, 0, 255, 0.5);
            --accent2: #00ffff;
            --accent2-glow: rgba(0, 255, 255, 0.5);
            --text: #faf3ff;
            --muted: #a795c2;
            --font-display: 'Orbitron', sans-serif;
            --font-body: 'Exo 2', sans-serif;
            --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: 1.6;
            overflow-x: hidden;
            background-image:
                radial-gradient(circle at 15% 50%, rgba(255, 0, 255, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 85% 30%, rgba(0, 255, 255, 0.05) 0%, transparent 50%);
            background-attachment: fixed;
        }

        h1, h2, h3, h4, .logo {
            font-family: var(--font-display);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        a {
            color: var(--accent2);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--accent);
            text-shadow: 0 0 8px var(--accent-glow);
        }

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

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius);
            cursor: pointer;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: var(--transition);
            border: 2px solid transparent;
            min-height: 44px;
        }

        .btn-primary {
            background: linear-gradient(45deg, var(--accent), #cc00cc);
            color: #fff;
            box-shadow: 0 0 15px var(--accent-glow);
        }

        .btn-primary:hover {
            background: linear-gradient(45deg, #cc00cc, var(--accent));
            box-shadow: 0 0 25px var(--accent-glow);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: transparent;
            color: var(--accent2);
            border-color: var(--accent2);
            box-shadow: 0 0 10px rgba(0, 255, 255, 0.2) inset;
        }

        .btn-secondary:hover {
            background: rgba(0, 255, 255, 0.1);
            box-shadow: 0 0 15px var(--accent2-glow) inset, 0 0 15px var(--accent2-glow);
            color: #fff;
            transform: translateY(-2px);
        }

        /* HEADER (Supports Part A1) */
        header {
            background: rgba(14, 6, 24, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 0, 255, 0.2);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 15px 0;
        }

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

        .logo {
            font-size: 24px;
            font-weight: 900;
            color: #fff;
            text-shadow: 0 0 10px var(--accent), 0 0 20px var(--accent);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-links {
            display: flex;
            gap: 20px;
        }

        .nav-links a {
            color: var(--text);
            font-weight: 500;
            font-size: 15px;
        }

        .nav-links a:hover {
            color: var(--accent2);
        }

        .header-ctas {
            display: flex;
            gap: 10px;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent2);
            font-size: 28px;
            cursor: pointer;
            min-width: 44px;
            min-height: 44px;
        }

        /* HERO BANNER */
        .hero {
            padding: 60px 0 40px;
            position: relative;
            text-align: center;
            border-bottom: 1px solid rgba(0, 255, 255, 0.1);
            background: linear-gradient(180deg, rgba(31, 15, 48, 0) 0%, var(--surface) 100%);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 50%;
            transform: translateX(-50%);
            width: 100%;
            max-width: 800px;
            height: 100%;
            background: radial-gradient(ellipse at top, rgba(255, 0, 255, 0.15), transparent 70%);
            pointer-events: none;
        }

        .breadcrumb {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 20px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0,0,0,0.3);
            padding: 8px 16px;
            border-radius: 20px;
            border: 1px solid rgba(255,255,255,0.05);
        }

        .breadcrumb span {
            color: var(--text);
        }

        .hero h1 {
            font-size: clamp(28px, 5vw, 42px);
            color: #fff;
            margin-bottom: 20px;
            text-shadow: 0 0 15px var(--accent-glow), 0 0 30px var(--accent-glow);
            line-height: 1.2;
        }

        .meta-chips {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .chip {
            background: var(--surface-light);
            border: 1px solid rgba(0, 255, 255, 0.3);
            padding: 6px 14px;
            border-radius: 4px;
            font-size: 13px;
            color: var(--accent2);
            font-family: var(--font-display);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* MAIN CONTENT */
        .content-area {
            padding: 50px 0;
        }

        .article-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            max-width: 900px;
            margin: 0 auto;
        }

        .intro-block {
            background: linear-gradient(135deg, var(--surface), rgba(31, 15, 48, 0.5));
            border-left: 4px solid var(--accent);
            padding: 30px;
            border-radius: 0 var(--radius) var(--radius) 0;
            font-size: 18px;
            line-height: 1.8;
            color: #fff;
            box-shadow: 5px 5px 20px rgba(0,0,0,0.3);
            position: relative;
            overflow: hidden;
        }

        .intro-block::after {
            content: '';
            position: absolute;
            top: -50%; left: -50%;
            width: 200%; height: 200%;
            background: linear-gradient(transparent, rgba(255,255,255,0.03), transparent);
            transform: rotate(45deg);
            animation: strobe-sweep 6s linear infinite;
            pointer-events: none;
        }

        @keyframes strobe-sweep {
            0% { transform: translateY(-100%) rotate(45deg); }
            100% { transform: translateY(100%) rotate(45deg); }
        }

        .section-block {
            background: var(--surface);
            padding: 30px;
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition);
        }

        .section-block:hover {
            border-color: rgba(0, 255, 255, 0.2);
            box-shadow: 0 10px 30px rgba(0,0,0,0.4);
        }

        .section-block h2 {
            font-size: 24px;
            color: var(--accent2);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 15px;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            padding-bottom: 15px;
        }

        .section-block h2::before {
            content: '⚡';
            font-size: 20px;
            filter: drop-shadow(0 0 5px var(--accent2));
        }

        .section-block p {
            margin-bottom: 15px;
            color: var(--muted);
            font-size: 16px;
        }

        .section-block p:last-child {
            margin-bottom: 0;
        }

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

        .section-block p a:hover {
            border-bottom-style: solid;
            color: var(--accent);
        }

        /* Custom List */
        .neon-list {
            list-style: none;
            margin: 20px 0;
            padding: 0;
        }

        .neon-list li {
            position: relative;
            padding-left: 35px;
            margin-bottom: 15px;
            color: var(--text);
            background: rgba(0,0,0,0.2);
            padding: 15px 15px 15px 45px;
            border-radius: var(--radius);
            border-left: 2px solid var(--accent);
        }

        .neon-list li::before {
            content: '►';
            position: absolute;
            left: 15px;
            top: 15px;
            color: var(--accent);
            font-size: 12px;
            text-shadow: 0 0 5px var(--accent-glow);
        }

        /* FAQ Section */
        .faq-wrapper {
            margin-top: 20px;
        }

        details {
            background: rgba(0,0,0,0.3);
            border: 1px solid rgba(255,255,255,0.05);
            border-radius: var(--radius);
            margin-bottom: 15px;
            overflow: hidden;
        }

        summary {
            padding: 18px 20px;
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 16px;
            color: #fff;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }

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

        summary::after {
            content: '+';
            color: var(--accent2);
            font-size: 24px;
            font-weight: 300;
            transition: transform 0.3s;
        }

        details[open] summary {
            background: rgba(0, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255,255,255,0.05);
            color: var(--accent2);
        }

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

        details p {
            padding: 20px;
            color: var(--muted);
            margin: 0;
            background: var(--surface-light);
        }

        /* RELATED LINKS CREATIVE BLOCK */
        .related-links {
            padding: 60px 0;
            background: linear-gradient(0deg, var(--bg) 0%, rgba(31, 15, 48, 0.3) 100%);
            border-top: 1px solid rgba(255, 0, 255, 0.1);
        }

        .related-links h3 {
            text-align: center;
            font-size: 28px;
            margin-bottom: 40px;
            color: #fff;
        }

        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .link-card {
            background: var(--surface);
            border: 1px solid rgba(255,255,255,0.05);
            padding: 25px 20px;
            text-align: center;
            border-radius: var(--radius);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100%;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .link-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: radial-gradient(circle at center, rgba(0,255,255,0.1) 0%, transparent 70%);
            opacity: 0;
            transition: var(--transition);
            z-index: -1;
        }

        .link-card:hover {
            border-color: var(--accent2);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }

        .link-card:hover::before {
            opacity: 1;
        }

        .link-card a {
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 15px;
            color: #fff;
            text-transform: uppercase;
        }

        .link-card a::after {
            content: '';
            position: absolute;
            inset: 0;
        }

        .link-card:hover a {
            color: var(--accent2);
            text-shadow: 0 0 5px var(--accent2-glow);
        }

        /* GRAND CTA */
        .grand-cta {
            padding: 80px 0;
            text-align: center;
            position: relative;
            background: url('data:image/svg+xml;utf8,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="%230e0618"/><circle cx="50" cy="50" r="2" fill="%23ff00ff" opacity="0.2"/></svg>') repeat;
        }

        .cta-inner-box {
            background: rgba(31, 15, 48, 0.85);
            backdrop-filter: blur(10px);
            border: 2px solid var(--accent);
            padding: 50px 30px;
            border-radius: 16px;
            max-width: 800px;
            margin: 0 auto;
            box-shadow: 0 0 40px rgba(255, 0, 255, 0.15), inset 0 0 20px rgba(255, 0, 255, 0.1);
        }

        .cta-inner-box h2 {
            font-size: 32px;
            color: #fff;
            margin-bottom: 20px;
            text-shadow: 0 0 10px var(--accent-glow);
        }

        .cta-inner-box p {
            font-size: 18px;
            color: var(--muted);
            margin-bottom: 30px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
        }

        .cta-actions .btn {
            font-size: 16px;
            padding: 15px 35px;
        }

        /* FOOTER (Supports Part A2) */
        footer {
            background: #0a0412;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 60px 0 20px;
            text-align: center;
        }

        .footer-top {
            margin-bottom: 40px;
        }

        .footer-tagline {
            color: var(--muted);
            margin-top: 15px;
            font-size: 15px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px 25px;
            margin-bottom: 40px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }

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

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

        .footer-bottom {
            color: rgba(167, 149, 194, 0.5);
            font-size: 13px;
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 20px;
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .nav-links { gap: 15px; }
            .nav-links a { font-size: 14px; }
        }

        @media (max-width: 768px) {
            .nav-links, .header-ctas {
                display: none;
            }

            .menu-toggle {
                display: block;
            }

            .nav-links.active {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--surface);
                padding: 20px;
                border-bottom: 1px solid var(--accent);
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }

            .header-ctas.active {
                display: flex;
                position: absolute;
                top: calc(100% + 200px); /* rough estimate below nav */
                left: 0;
                width: 100%;
                background: var(--surface);
                padding: 0 20px 20px;
                flex-direction: column;
            }

            .hero h1 {
                font-size: 24px;
            }

            .cta-actions {
                flex-direction: column;
            }

            .intro-block {
                padding: 20px;
                font-size: 16px;
            }

            .section-block {
                padding: 20px;
            }
        }

        @media (max-width: 390px) {
            .hero { padding: 40px 0 30px; }
            .meta-chips { flex-direction: column; align-items: center; gap: 10px; }
            .links-grid { grid-template-columns: 1fr; }
            .cta-inner-box { padding: 30px 20px; }
            .cta-inner-box h2 { font-size: 24px; }
        }


/* 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; }