:root {
            --bg: #0e0618;
            --surface: #1f0f30;
            --accent: #ff00ff;
            --accent2: #00ffff;
            --text: #faf3ff;
            --muted: #a795c2;
            --font-display: 'Orbitron', sans-serif;
            --font-body: 'Exo 2', sans-serif;
        }

        * { 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;
            overflow-x: hidden;
        }

        a { color: var(--accent2); text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: var(--accent); text-shadow: 0 0 8px var(--accent); }

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

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

        /* HEADER */
        header {
            background: rgba(14, 6, 24, 0.95);
            border-bottom: 1px solid var(--accent);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(10px);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }
        .logo {
            font-family: var(--font-display);
            font-size: 24px;
            font-weight: 900;
            color: var(--accent);
            text-shadow: 0 0 10px var(--accent);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-links { display: flex; gap: 20px; }
        .nav-links a {
            color: var(--text);
            font-weight: 600;
            font-size: 14px;
            text-transform: uppercase;
        }
        .nav-links a:hover { color: var(--accent2); }
        .header-ctas { display: flex; gap: 10px; }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: 4px;
            font-family: var(--font-display);
            font-weight: 700;
            text-transform: uppercase;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--text);
            border: 1px solid var(--accent);
            box-shadow: 0 0 10px rgba(255, 0, 255, 0.5);
        }
        .btn-primary:hover {
            background: transparent;
            color: var(--accent);
            box-shadow: 0 0 20px rgba(255, 0, 255, 0.8);
        }
        .btn-secondary {
            background: transparent;
            color: var(--accent2);
            border: 1px solid var(--accent2);
        }
        .btn-secondary:hover {
            background: var(--accent2);
            color: var(--bg);
            box-shadow: 0 0 15px rgba(0, 255, 255, 0.6);
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 24px;
            cursor: pointer;
        }

        @media (max-width: 1024px) {
            .nav-links, .header-ctas { display: none; }
            .menu-toggle { display: block; }
            .nav-links.active {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--surface);
                padding: 20px;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .header-ctas.active {
                display: flex;
                position: absolute;
                top: 320px;
                left: 0;
                width: 100%;
                background: var(--surface);
                padding: 20px;
                justify-content: center;
                z-index: 99;
                border-bottom: 1px solid var(--accent);
            }
        }

        /* HERO SECTION */
        .hero {
            position: relative;
            padding: 80px 0 60px;
            text-align: center;
            background: radial-gradient(circle at center, var(--surface) 0%, var(--bg) 80%);
            border-bottom: 1px solid rgba(0, 255, 255, 0.2);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image:
                linear-gradient(rgba(0, 255, 255, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 255, 255, 0.05) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: 1;
            pointer-events: none;
        }
        .hero .container { position: relative; z-index: 2; }
        .breadcrumb {
            margin-bottom: 25px;
            font-size: 14px;
            color: var(--muted);
            font-family: var(--font-display);
            letter-spacing: 0.5px;
        }
        .hero h1 {
            font-size: clamp(1.8rem, 5vw, 3.5rem);
            margin-bottom: 25px;
            color: #fff;
            text-shadow: 3px 3px 0px var(--accent), -3px -3px 0px var(--accent2);
            position: relative;
            display: inline-block;
        }
        .meta-chips {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 20px;
        }
        .chip {
            background: rgba(31, 15, 48, 0.8);
            border: 1px solid var(--accent2);
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 12px;
            font-family: var(--font-display);
            color: var(--accent2);
            box-shadow: 0 0 8px rgba(0,255,255,0.2);
            backdrop-filter: blur(4px);
        }

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

        .intro-block {
            background: linear-gradient(135deg, rgba(255,0,255,0.08), rgba(0,255,255,0.08));
            border-left: 4px solid var(--accent);
            padding: 30px 40px;
            margin-bottom: 60px;
            border-radius: 0 12px 12px 0;
            font-size: 1.15rem;
            font-style: italic;
            color: var(--text);
            position: relative;
            box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
        }
        .intro-block::after {
            content: '”';
            position: absolute;
            top: -10px;
            right: 20px;
            font-size: 100px;
            font-family: var(--font-display);
            color: rgba(255,0,255,0.15);
            line-height: 1;
        }

        .section-card {
            background: var(--surface);
            border: 1px solid rgba(167, 149, 194, 0.15);
            border-radius: 16px;
            padding: 45px;
            margin-bottom: 40px;
            position: relative;
            overflow: hidden;
            transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
        }
        .section-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.6), 0 0 20px rgba(255,0,255,0.15);
            border-color: rgba(0,255,255,0.4);
        }
        .section-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0;
            width: 100%; height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent2));
        }

        .section-card h2 {
            color: var(--accent2);
            margin-bottom: 25px;
            font-size: 1.7rem;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .section-card h2::before {
            content: '>>';
            color: var(--accent);
            font-size: 1.3rem;
            animation: blink 2s infinite;
        }
        @keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

        .section-card p {
            margin-bottom: 20px;
            color: var(--muted);
            font-size: 1.05rem;
        }
        .section-card p:last-child { margin-bottom: 0; }
        .section-card a { border-bottom: 1px dashed var(--accent2); padding-bottom: 2px; }
        .section-card a:hover { border-bottom-color: var(--accent); }

        /* LIST STYLING */
        .feature-list {
            list-style: none;
            margin: 25px 0 0 0;
            padding: 0;
        }
        .feature-list li {
            position: relative;
            padding-left: 40px;
            margin-bottom: 15px;
            color: var(--text);
            font-size: 1.05rem;
        }
        .feature-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 14px;
            height: 14px;
            background: var(--accent);
            box-shadow: 0 0 10px var(--accent);
            transform: rotate(45deg);
        }

        /* FAQ SECTION */
        .faq-section { margin-top: 80px; }
        .faq-section h2 {
            text-align: center;
            margin-bottom: 40px;
            color: var(--accent);
            font-size: 2rem;
            text-shadow: 0 0 10px rgba(255,0,255,0.3);
        }
        details {
            background: var(--surface);
            margin-bottom: 15px;
            border-radius: 10px;
            border: 1px solid rgba(0,255,255,0.15);
            overflow: hidden;
            transition: all 0.3s;
        }
        details[open] { border-color: var(--accent2); box-shadow: 0 0 15px rgba(0,255,255,0.1); }
        summary {
            padding: 20px 25px;
            font-family: var(--font-display);
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            transition: background 0.3s;
            list-style: none;
        }
        summary::-webkit-details-marker { display: none; }
        summary:hover { background: rgba(0,255,255,0.05); color: var(--accent2); }
        summary::after {
            content: '+';
            font-size: 1.8rem;
            color: var(--accent);
            transition: transform 0.3s;
            font-weight: 400;
        }
        details[open] summary::after { transform: rotate(45deg); color: var(--accent2); }
        details p {
            padding: 0 25px 25px;
            color: var(--muted);
            margin: 0;
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 20px;
        }

        /* RELATED LINKS */
        .related-links {
            margin-top: 80px;
            padding: 50px 30px;
            background: rgba(31, 15, 48, 0.6);
            border-radius: 16px;
            text-align: center;
            border: 1px dashed rgba(167, 149, 194, 0.3);
        }
        .related-links h3 {
            margin-bottom: 30px;
            color: var(--text);
            font-size: 1.5rem;
        }
        .tags-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
        }
        .tags-grid a {
            display: inline-block;
            padding: 12px 25px;
            background: var(--bg);
            border: 1px solid var(--accent2);
            border-radius: 30px;
            font-size: 14px;
            font-family: var(--font-display);
            text-transform: uppercase;
            color: var(--accent2);
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .tags-grid a:hover {
            background: var(--accent2);
            color: var(--bg);
            box-shadow: 0 0 15px var(--accent2);
            transform: translateY(-2px);
        }

        /* BOTTOM CTA */
        .bottom-cta {
            margin: 80px 0;
            padding: 70px 30px;
            text-align: center;
            background: linear-gradient(45deg, #1f0f30, #2d0b3d);
            border-radius: 24px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0,0,0,0.5), inset 0 0 0 2px rgba(255,0,255,0.2);
        }
        .bottom-cta::before {
            content: '';
            position: absolute;
            top: -50%; left: -50%;
            width: 200%; height: 200%;
            background: conic-gradient(transparent, var(--accent), transparent 30%);
            animation: rotate 6s linear infinite;
            opacity: 0.15;
            pointer-events: none;
        }
        @keyframes rotate { 100% { transform: rotate(360deg); } }
        .bottom-cta h2 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
            text-shadow: 0 0 15px var(--accent);
        }
        .bottom-cta p {
            font-size: 1.15rem;
            color: var(--text);
            margin-bottom: 40px;
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            opacity: 0.9;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            position: relative;
            z-index: 2;
        }
        .cta-buttons .btn {
            padding: 16px 35px;
            font-size: 1.1rem;
            border-radius: 8px;
        }

        /* FOOTER */
        footer {
            background: #07030c;
            border-top: 1px solid var(--surface);
            padding: 60px 0 20px;
            margin-top: auto;
        }
        .footer-top { text-align: center; margin-bottom: 40px; }
        .footer-tagline { color: var(--muted); margin-top: 10px; font-size: 14px; }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px 30px;
            margin-bottom: 40px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        .footer-links a { color: var(--muted); font-size: 14px; }
        .footer-links a:hover { color: var(--accent); text-shadow: none; }
        .footer-bottom {
            text-align: center;
            color: #555;
            font-size: 12px;
            border-top: 1px solid #1a1a1a;
            padding-top: 20px;
        }

        /* RESPONSIVE */
        @media (max-width: 768px) {
            .section-card { padding: 30px 20px; }
            .section-card h2 { font-size: 1.4rem; }
            .intro-block { padding: 25px 20px; font-size: 1.05rem; }
            .cta-buttons { flex-direction: column; }
            .cta-buttons .btn { width: 100%; }
            .bottom-cta { padding: 50px 20px; }
            .tags-grid a { width: 100%; text-align: center; }
        }
        @media (max-width: 390px) {
            .hero h1 { font-size: 1.5rem; }
            .meta-chips { flex-direction: column; align-items: center; gap: 10px; }
            .chip { width: 100%; text-align: center; }
            .section-card h2 { font-size: 1.2rem; }
            .bottom-cta h2 { font-size: 1.6rem; }
        }


/* 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; }