:root {
            --bg: #0d0716;
            --surface: #1a0f2e;
            --surface-light: #251642;
            --accent: #d4af37;
            --accent-glow: rgba(212, 175, 55, 0.4);
            --accent2: #c026d3;
            --accent2-glow: rgba(192, 38, 211, 0.4);
            --text: #f5f0ff;
            --muted: #9d94b8;
            --font-display: 'Chakra Petch', sans-serif;
            --font-body: 'Manrope', 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;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        /* Typography */
        h1, h2, h3, .brand-font {
            font-family: var(--font-display);
            font-weight: 700;
            line-height: 1.2;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

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

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

        p {
            margin-bottom: 1.2rem;
            color: var(--text);
        }

        /* Layout */
        .container {
            width: 100%;
            max-width: 1280px;
            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;
            text-transform: uppercase;
            border-radius: 4px;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
            min-height: 44px;
            font-size: 0.95rem;
            letter-spacing: 1px;
        }

        .btn-primary {
            background: linear-gradient(45deg, var(--accent2), #86198f);
            color: #fff;
            box-shadow: 0 4px 15px var(--accent2-glow);
        }

        .btn-primary:hover {
            background: linear-gradient(45deg, #a21caf, #701a75);
            box-shadow: 0 6px 20px rgba(192, 38, 211, 0.6);
            color: #fff;
            transform: translateY(-2px);
        }

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

        .btn-secondary:hover {
            background: rgba(212, 175, 55, 0.1);
            box-shadow: 0 0 15px var(--accent-glow) inset;
            color: var(--accent);
        }

        /* --- Header (A1) Styles --- */
        header {
            background-color: rgba(13, 7, 22, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(212, 175, 55, 0.2);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            height: 70px;
        }

        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }

        .logo a {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 0 10px var(--accent-glow);
        }

        #main-nav {
            display: none;
        }

        .header-ctas {
            display: none;
        }

        .menu-toggle {
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }

        @media (min-width: 1024px) {
            .menu-toggle { display: none; }
            #main-nav {
                display: flex;
                gap: 24px;
            }
            #main-nav a {
                color: var(--text);
                font-family: var(--font-display);
                font-weight: 600;
                font-size: 0.95rem;
            }
            #main-nav a:hover { color: var(--accent); }
            .header-ctas {
                display: flex;
                gap: 12px;
            }
        }

        /* --- Mobile Menu Active State --- */
        #main-nav.active {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: var(--surface);
            padding: 20px;
            border-bottom: 1px solid var(--accent);
            box-shadow: 0 10px 30px rgba(0,0,0,0.8);
        }
        .header-ctas.active {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: calc(70px + 220px); /* rough estimate below nav */
            left: 0;
            width: 100%;
            background-color: var(--surface);
            padding: 0 20px 20px;
            border-bottom: 1px solid rgba(212, 175, 55, 0.2);
        }

        /* --- Page Content Styles --- */
        main {
            padding-top: 70px; /* offset header */
        }

        /* Hero Section */
        .hero-banner {
            position: relative;
            padding: 60px 0 40px;
            background: radial-gradient(circle at top right, rgba(192, 38, 211, 0.15), transparent 50%),
                        radial-gradient(circle at bottom left, rgba(212, 175, 55, 0.1), transparent 50%);
            border-bottom: 1px solid rgba(212, 175, 55, 0.1);
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                              linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 30px 30px;
            opacity: 0.3;
            z-index: -1;
        }

        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb span {
            color: var(--accent2);
        }

        .page-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            color: #fff;
            margin-bottom: 15px;
            text-shadow: 0 0 20px rgba(255,255,255,0.1);
            background: linear-gradient(to right, #fff, var(--muted));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .meta-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 30px;
        }

        .chip {
            background-color: var(--surface-light);
            border: 1px solid rgba(192, 38, 211, 0.3);
            color: var(--text);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-family: var(--font-display);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .chip::before {
            content: '';
            display: inline-block;
            width: 8px;
            height: 8px;
            background-color: var(--accent2);
            border-radius: 50%;
            box-shadow: 0 0 5px var(--accent2);
        }

        .intro-block {
            background: linear-gradient(135deg, var(--surface) 0%, rgba(26, 15, 46, 0.5) 100%);
            border-left: 4px solid var(--accent);
            padding: 25px;
            border-radius: 0 var(--radius) var(--radius) 0;
            font-size: 1.1rem;
            color: #e2dcf0;
            position: relative;
            box-shadow: 10px 10px 30px rgba(0,0,0,0.5);
        }

        /* Content Sections */
        .content-area {
            padding: 60px 0;
        }

        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
        }

        @media (min-width: 1024px) {
            .content-grid {
                grid-template-columns: 8fr 4fr;
            }
        }

        .main-article section {
            margin-bottom: 50px;
            position: relative;
        }

        .section-title {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .section-title::after {
            content: '';
            flex-grow: 1;
            height: 1px;
            background: linear-gradient(to right, rgba(212, 175, 55, 0.3), transparent);
        }

        .card-showcase {
            background-color: var(--surface);
            border: 1px solid rgba(157, 148, 184, 0.1);
            border-radius: var(--radius);
            padding: 30px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .card-showcase::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 100%; height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent2), transparent);
            opacity: 0;
            transition: var(--transition);
        }

        .card-showcase:hover {
            border-color: rgba(192, 38, 211, 0.3);
            transform: translateY(-2px);
        }

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

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

        .custom-list li {
            position: relative;
            padding-left: 40px;
            margin-bottom: 15px;
            background-color: rgba(26, 15, 46, 0.6);
            padding: 15px 15px 15px 50px;
            border-radius: var(--radius);
            border-left: 2px solid var(--accent);
        }

        .custom-list li::before {
            content: '✓';
            position: absolute;
            left: 15px;
            top: 15px;
            color: var(--accent);
            font-weight: bold;
            font-family: var(--font-display);
        }

        /* FAQ Section */
        .faq-section {
            margin-top: 60px;
        }

        .faq-title {
            text-align: center;
            margin-bottom: 30px;
            font-size: 2rem;
            color: #fff;
        }

        .faq-title span {
            color: var(--accent2);
        }

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

        details:hover {
            border-color: rgba(212, 175, 55, 0.3);
        }

        summary {
            padding: 20px;
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
        }

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

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

        details[open] summary::after {
            transform: rotate(45deg);
            color: var(--accent2);
        }

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

        details p {
            padding: 20px;
            margin: 0;
            color: var(--muted);
            background-color: rgba(0,0,0,0.2);
        }

        /* Related Links Grid */
        .related-nav {
            margin-top: 50px;
            padding: 40px;
            background: linear-gradient(to bottom, var(--surface), var(--bg));
            border-radius: var(--radius);
            border: 1px dashed rgba(157, 148, 184, 0.2);
        }

        .related-title {
            font-size: 1.2rem;
            color: var(--muted);
            margin-bottom: 20px;
            text-align: center;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
        }

        .related-link-card {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 15px;
            background-color: var(--surface-light);
            border: 1px solid rgba(212, 175, 55, 0.2);
            border-radius: 4px;
            font-family: var(--font-display);
            font-weight: 600;
            text-align: center;
            color: #fff;
            text-transform: uppercase;
            font-size: 0.9rem;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .related-link-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background: linear-gradient(45deg, transparent, rgba(212, 175, 55, 0.1), transparent);
            transform: translateX(-100%);
            transition: 0.5s;
            z-index: -1;
        }

        .related-link-card:hover {
            border-color: var(--accent);
            box-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
            color: var(--accent);
        }

        .related-link-card:hover::before {
            transform: translateX(100%);
        }

        /* Final CTA */
        .final-cta {
            margin: 60px 0;
            padding: 50px 30px;
            background: linear-gradient(135deg, var(--surface) 0%, var(--surface-light) 100%);
            border-radius: var(--radius);
            text-align: center;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(192, 38, 211, 0.2);
        }

        .final-cta::after {
            content: '';
            position: absolute;
            top: -50%; left: -50%; width: 200%; height: 200%;
            background: radial-gradient(circle, rgba(192,38,211,0.1) 0%, transparent 60%);
            z-index: 0;
            pointer-events: none;
        }

        .final-cta-content {
            position: relative;
            z-index: 1;
        }

        .final-cta h3 {
            font-size: 2.2rem;
            color: #fff;
            margin-bottom: 15px;
        }

        .final-cta p {
            color: var(--muted);
            margin-bottom: 30px;
            font-size: 1.1rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

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

        /* --- Footer (A2) Styles --- */
        footer {
            background-color: #08040d;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(212, 175, 55, 0.1);
            text-align: center;
        }

        .footer-brand {
            font-family: var(--font-display);
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--muted);
            text-transform: uppercase;
            letter-spacing: 3px;
            margin-bottom: 10px;
        }

        .footer-tagline {
            color: var(--muted);
            font-size: 0.9rem;
            margin-bottom: 30px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px 25px;
            margin-bottom: 40px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

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

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

        .copyright {
            color: #554f66;
            font-size: 0.8rem;
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 20px;
            margin: 0;
        }


/* 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; }