@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Sora:wght@300;400;600&display=swap');

        :root {
            --bg: #120616;
            --surface: #241028;
            --accent: #e9b949;
            --accent2: #c084fc;
            --emerald: #059669;
            --emerald-glow: rgba(5, 150, 105, 0.25);
            --text: #faf5ff;
            --muted: #ab93b0;
            --font-display: 'Bebas Neue', sans-serif;
            --font-body: 'Sora', 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;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        /* HEADER (From Part A1) */
        header {
            background-color: var(--surface);
            border-bottom: 2px solid var(--accent);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.5);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .brand {
            font-family: var(--font-display);
            font-size: 2.2rem;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .nav-links {
            display: flex;
            gap: 1.5rem;
        }
        .nav-links a {
            color: var(--text);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: color 0.3s;
        }
        .nav-links a:hover {
            color: var(--accent);
        }
        .header-ctas {
            display: flex;
            gap: 1rem;
        }
        .btn {
            padding: 0.7rem 1.5rem;
            border-radius: 25px;
            font-family: var(--font-body);
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            text-align: center;
            transition: all 0.3s;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--bg);
            border: 2px solid var(--accent);
        }
        .btn-primary:hover {
            background: transparent;
            color: var(--accent);
        }
        .btn-secondary {
            background: transparent;
            border: 2px solid var(--accent2);
            color: var(--accent2);
        }
        .btn-secondary:hover {
            background: var(--accent2);
            color: var(--bg);
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.8rem;
            cursor: pointer;
            min-height: 44px;
            min-width: 44px;
        }

        /* ARCADE HERO BANNER */
        .arcade-hero {
            position: relative;
            padding: 5rem 1rem 4rem;
            text-align: center;
            background: radial-gradient(circle at top right, var(--emerald-glow), transparent 60%),
                        radial-gradient(circle at bottom left, rgba(192, 132, 252, 0.15), transparent 60%);
            border-bottom: 1px solid rgba(192, 132, 252, 0.2);
            overflow: hidden;
        }
        .arcade-hero::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 40vw;
            height: 40vw;
            background: var(--emerald);
            filter: blur(150px);
            opacity: 0.15;
            z-index: 0;
            border-radius: 50%;
        }
        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
        }
        .breadcrumb {
            font-size: 0.85rem;
            color: var(--emerald);
            margin-bottom: 1.5rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            display: inline-block;
            background: rgba(5, 150, 105, 0.1);
            padding: 0.4rem 1rem;
            border-radius: 20px;
            border: 1px solid rgba(5, 150, 105, 0.3);
        }
        h1 {
            font-family: var(--font-display);
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            color: var(--text);
            margin-bottom: 1.2rem;
            line-height: 1.1;
            letter-spacing: 1px;
            text-shadow: 0 4px 20px rgba(0,0,0,0.6);
        }
        .meta-chips {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
        }
        .chip {
            background: var(--surface);
            border: 1px solid rgba(192, 132, 252, 0.4);
            padding: 0.4rem 1.2rem;
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--accent2);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
        }
        .chip::before {
            content: '✦';
            font-size: 0.8rem;
        }
        .intro-text {
            font-size: 1.15rem;
            color: var(--muted);
            line-height: 1.8;
            max-width: 800px;
            margin: 0 auto;
        }

        /* MAIN CONTENT AREA */
        .arcade-main {
            padding: 4rem 0;
            position: relative;
        }
        .content-wrapper {
            max-width: 850px;
            margin: 0 auto;
        }
        .arcade-section {
            background: var(--surface);
            padding: 3rem;
            border-radius: 24px;
            border: 1px solid rgba(5, 150, 105, 0.2);
            margin-bottom: 3rem;
            box-shadow: 0 15px 40px rgba(0,0,0,0.4);
            position: relative;
            overflow: hidden;
            transition: transform 0.3s, border-color 0.3s;
        }
        .arcade-section:hover {
            border-color: rgba(5, 150, 105, 0.5);
            transform: translateY(-5px);
        }
        .arcade-section::after {
            content: '';
            position: absolute;
            bottom: -50px;
            right: -50px;
            width: 150px;
            height: 150px;
            background: radial-gradient(circle, var(--emerald-glow), transparent);
            border-radius: 50%;
            pointer-events: none;
        }
        .badge-number {
            position: absolute;
            top: 0;
            right: 0;
            background: rgba(5, 150, 105, 0.1);
            color: var(--emerald);
            font-family: var(--font-display);
            font-size: 4rem;
            line-height: 1;
            padding: 1rem;
            border-bottom-left-radius: 24px;
            opacity: 0.3;
            pointer-events: none;
        }
        .arcade-section h2 {
            font-family: var(--font-display);
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 1;
            letter-spacing: 1px;
        }
        .arcade-section p {
            margin-bottom: 1.5rem;
            color: var(--text);
            position: relative;
            z-index: 1;
        }
        .arcade-section p:last-child {
            margin-bottom: 0;
        }
        .arcade-section a {
            color: var(--accent2);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dashed var(--accent2);
            transition: all 0.3s;
        }
        .arcade-section a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        /* CHECKLIST */
        .arcade-list {
            list-style: none;
            margin: 2rem 0;
            background: rgba(18, 6, 22, 0.5);
            padding: 2rem;
            border-radius: 16px;
            border-left: 4px solid var(--emerald);
        }
        .arcade-list li {
            position: relative;
            padding-left: 2.5rem;
            margin-bottom: 1.2rem;
            color: var(--text);
        }
        .arcade-list li:last-child {
            margin-bottom: 0;
        }
        .arcade-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            width: 16px;
            height: 16px;
            background-color: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 10px rgba(233, 185, 73, 0.5);
            border: 3px solid var(--bg);
        }

        /* RELATED PAGES CREATIVE BLOCK */
        .related-nav {
            margin: 5rem 0;
            text-align: center;
        }
        .related-nav h3 {
            font-family: var(--font-display);
            font-size: 2.5rem;
            color: var(--text);
            margin-bottom: 2rem;
            letter-spacing: 1px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        .related-card {
            background: linear-gradient(145deg, var(--surface), #1a0b1f);
            border: 2px solid rgba(192, 132, 252, 0.2);
            padding: 2.5rem 1.5rem;
            border-radius: 20px;
            text-decoration: none;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
            min-height: 120px;
        }
        .related-card::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: radial-gradient(circle, rgba(5, 150, 105, 0.2), transparent);
            transform: translate(-50%, -50%);
            transition: width 0.4s, height 0.4s;
            border-radius: 50%;
        }
        .related-card:hover {
            transform: translateY(-8px);
            border-color: var(--emerald);
            box-shadow: 0 15px 30px rgba(5, 150, 105, 0.2);
        }
        .related-card:hover::before {
            width: 300px;
            height: 300px;
        }
        .related-card span {
            font-family: var(--font-display);
            font-size: 2rem;
            color: var(--accent);
            position: relative;
            z-index: 1;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }

        /* FAQ SECTION */
        .faq-section {
            margin: 5rem 0;
        }
        .faq-section h2 {
            font-family: var(--font-display);
            font-size: 2.8rem;
            text-align: center;
            margin-bottom: 2.5rem;
            color: var(--text);
        }
        details {
            background: var(--surface);
            border: 1px solid rgba(171, 147, 176, 0.15);
            border-radius: 16px;
            margin-bottom: 1.2rem;
            overflow: hidden;
            transition: all 0.3s;
        }
        details:hover {
            border-color: rgba(192, 132, 252, 0.4);
        }
        summary {
            padding: 1.5rem 2rem;
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 1.1rem;
            color: var(--accent2);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            outline: none;
        }
        summary::-webkit-details-marker {
            display: none;
        }
        summary::after {
            content: '✦';
            font-size: 1.2rem;
            color: var(--emerald);
            transition: transform 0.3s, color 0.3s;
        }
        details[open] summary::after {
            transform: rotate(45deg);
            color: var(--accent);
        }
        details p {
            padding: 0 2rem 1.5rem;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
            border-top: 1px solid rgba(171, 147, 176, 0.1);
            padding-top: 1.5rem;
        }

        /* FINAL CTA */
        .final-cta {
            background: linear-gradient(135deg, var(--surface), #1a0b1f);
            border: 2px solid var(--emerald);
            border-radius: 30px;
            padding: 4rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(5, 150, 105, 0.15);
            margin: 5rem 0;
        }
        .final-cta::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: var(--emerald);
            filter: blur(100px);
            opacity: 0.2;
        }
        .final-cta h2 {
            font-family: var(--font-display);
            font-size: 3.5rem;
            color: var(--text);
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }
        .final-cta p {
            color: var(--muted);
            margin-bottom: 2.5rem;
            font-size: 1.15rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-buttons .btn {
            font-size: 1.1rem;
            padding: 1rem 3rem;
            border-radius: 30px;
        }
        .cta-buttons .btn-primary {
            background: var(--emerald);
            color: #fff;
            border: 2px solid var(--emerald);
            box-shadow: 0 4px 15px rgba(5, 150, 105, 0.4);
        }
        .cta-buttons .btn-primary:hover {
            background: transparent;
            color: var(--emerald);
            box-shadow: none;
        }

        /* FOOTER (From Part A2) */
        footer {
            background-color: var(--surface);
            padding: 4rem 0 2rem;
            border-top: 1px solid rgba(192, 132, 252, 0.2);
            text-align: center;
        }
        .footer-brand {
            font-family: var(--font-display);
            font-size: 2.8rem;
            color: var(--accent);
            margin-bottom: 1rem;
            letter-spacing: 2px;
        }
        .footer-tagline {
            color: var(--muted);
            margin-bottom: 2.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            margin-bottom: 3rem;
        }
        .footer-links a {
            color: var(--text);
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: var(--accent2);
        }
        .copyright {
            color: rgba(171, 147, 176, 0.5);
            font-size: 0.85rem;
        }

        /* RESPONSIVE DESIGN */
        @media (max-width: 1024px) {
            .arcade-section { padding: 2.5rem; }
        }
        @media (max-width: 768px) {
            .nav-links, .header-ctas {
                display: none;
                width: 100%;
                flex-direction: column;
                text-align: center;
                padding: 1rem 0;
                gap: 1rem;
            }
            .nav-links.active, .header-ctas.active {
                display: flex;
            }
            .header-inner {
                padding: 0.5rem 0;
            }
            .menu-toggle {
                display: block;
            }
            .arcade-hero {
                padding: 3rem 1rem 2rem;
            }
            .arcade-section {
                padding: 1.5rem;
                border-radius: 16px;
                margin-bottom: 2rem;
            }
            .badge-number {
                font-size: 2.5rem;
                padding: 0.5rem;
            }
            .arcade-section h2 { font-size: 1.8rem; }
            .related-grid { grid-template-columns: 1fr; }
            .final-cta { padding: 3rem 1.5rem; border-radius: 20px;}
            .final-cta h2 { font-size: 2.5rem; }
            .cta-buttons { flex-direction: column; width: 100%; }
            .cta-buttons .btn { width: 100%; }
            summary { padding: 1.2rem; }
            details p { padding: 0 1.2rem 1.2rem; }
        }
        @media (max-width: 390px) {
            h1 { font-size: 2.2rem; }
            .meta-chips { flex-direction: column; align-items: center; gap: 0.5rem; }
            .arcade-section h2 { font-size: 1.6rem; }
            .footer-links { flex-direction: column; gap: 1rem; }
        }


/* 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; }