:root {
            --bg: #0d0716;
            --surface: #1a0f2e;
            --surface-light: #261645;
            --accent: #d4af37;
            --accent-hover: #fceea7;
            --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;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            background-color: var(--bg);
            background-image:
                linear-gradient(rgba(192, 38, 211, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(192, 38, 211, 0.02) 1px, transparent 1px);
            background-size: 40px 40px;
            color: var(--text);
            font-family: var(--font-body);
            line-height: 1.6;
            overflow-x: hidden;
        }

        h1, h2, h3, .font-display {
            font-family: var(--font-display);
            text-transform: uppercase;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: all 0.3s ease;
        }

        a:hover {
            color: var(--accent-hover);
            text-shadow: 0 0 8px rgba(212, 175, 55, 0.5);
        }

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

        /* --- HEADER (Part A1 Styles) --- */
        header {
            background: rgba(13, 7, 22, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(192, 38, 211, 0.2);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }

        .logo a {
            font-family: var(--font-display);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 2px;
            text-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
        }

        #main-nav {
            display: flex;
            gap: 24px;
        }

        #main-nav a {
            color: var(--text);
            font-family: var(--font-display);
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        #main-nav a:hover {
            color: var(--accent2);
            text-shadow: 0 0 10px var(--accent2-glow);
        }

        .header-ctas {
            display: flex;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            border-radius: 6px;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 1px;
            cursor: pointer;
            text-transform: uppercase;
            border: none;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), #b59226);
            color: var(--bg);
            box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--accent-hover), var(--accent));
            box-shadow: 0 0 25px rgba(212, 175, 55, 0.6);
            transform: translateY(-2px);
            color: var(--bg);
        }

        .btn-secondary {
            background: transparent;
            color: var(--accent2);
            border: 1px solid var(--accent2);
            box-shadow: inset 0 0 10px rgba(192, 38, 211, 0.1);
        }

        .btn-secondary:hover {
            background: rgba(192, 38, 211, 0.1);
            box-shadow: 0 0 20px var(--accent2-glow), inset 0 0 10px var(--accent2-glow);
            transform: translateY(-2px);
        }

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

        /* --- HERO BANNER --- */
        .hero-banner {
            position: relative;
            padding: 80px 0 60px;
            text-align: center;
            background: radial-gradient(circle at 50% 100%, var(--surface-light) 0%, transparent 70%);
            border-bottom: 1px solid rgba(212, 175, 55, 0.1);
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: linear-gradient(180deg, rgba(13,7,22,1) 0%, rgba(13,7,22,0) 50%, rgba(13,7,22,1) 100%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 24px;
            font-family: var(--font-display);
            letter-spacing: 1px;
        }

        .hero-banner h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 24px;
            text-shadow: 0 0 30px rgba(212, 175, 55, 0.2);
        }

        .hero-banner h1 span {
            color: var(--accent);
            display: block;
        }

        .meta-chips {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .chip {
            background: rgba(26, 15, 46, 0.8);
            border: 1px solid var(--accent2);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: #e8a5f2;
            font-family: var(--font-display);
            letter-spacing: 0.5px;
            box-shadow: 0 0 10px rgba(192, 38, 211, 0.2);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .chip::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 5px var(--accent);
        }

        /* --- MAIN CONTENT AREA --- */
        .article-container {
            max-width: 840px;
            margin: 0 auto;
            padding: 40px 20px;
        }

        .intro-block {
            background: linear-gradient(145deg, var(--surface), rgba(13, 7, 22, 0.5));
            border-left: 4px solid var(--accent);
            padding: 32px;
            border-radius: 0 16px 16px 0;
            font-size: 1.1rem;
            color: #e2dbea;
            margin-bottom: 60px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            position: relative;
        }

        .intro-block::after {
            content: '"';
            position: absolute;
            top: -10px;
            right: 20px;
            font-size: 6rem;
            font-family: var(--font-display);
            color: rgba(212, 175, 55, 0.05);
            line-height: 1;
        }

        .content-section {
            margin-bottom: 56px;
        }

        .content-section h2 {
            font-size: 1.75rem;
            color: var(--accent);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            padding-bottom: 16px;
        }

        .content-section h2::before {
            content: '';
            display: inline-block;
            width: 24px;
            height: 4px;
            background: var(--accent2);
            box-shadow: 0 0 10px var(--accent2);
            border-radius: 2px;
        }

        .content-section p {
            margin-bottom: 20px;
            color: #c8c0d6;
            font-size: 1.05rem;
        }

        .content-section p a {
            border-bottom: 1px dashed var(--accent);
            padding-bottom: 2px;
        }

        .content-section p a:hover {
            border-bottom-style: solid;
        }

        /* Custom List Styling */
        .step-list {
            list-style: none;
            margin: 32px 0;
            display: grid;
            gap: 16px;
        }

        .step-list li {
            background: var(--surface);
            padding: 20px 24px;
            border-radius: 12px;
            border: 1px solid rgba(157, 148, 184, 0.15);
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
            color: #d8d1e5;
        }

        .step-list li:hover {
            transform: translateX(8px);
            border-color: var(--accent2);
            box-shadow: -4px 4px 15px rgba(192, 38, 211, 0.1);
            background: linear-gradient(90deg, var(--surface-light), var(--surface));
        }

        .step-list li::before {
            content: '»';
            color: var(--accent);
            font-family: var(--font-display);
            font-size: 1.5rem;
            line-height: 1;
            margin-top: 2px;
        }

        /* --- FAQ SECTION --- */
        .faq-section {
            margin-top: 80px;
            background: var(--surface);
            padding: 40px;
            border-radius: 24px;
            border: 1px solid rgba(212, 175, 55, 0.1);
        }

        .faq-section h2 {
            text-align: center;
            justify-content: center;
            border-bottom: none;
            margin-bottom: 32px;
        }

        .faq-section h2::before { display: none; }

        details {
            background: rgba(13, 7, 22, 0.6);
            border-radius: 12px;
            margin-bottom: 16px;
            border: 1px solid rgba(157, 148, 184, 0.1);
            transition: all 0.3s ease;
        }

        details:hover {
            border-color: rgba(192, 38, 211, 0.4);
        }

        details[open] {
            border-color: var(--accent2);
            box-shadow: 0 0 20px rgba(192, 38, 211, 0.1);
        }

        summary {
            padding: 24px;
            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 ease;
        }

        details[open] summary::after {
            content: '−';
            color: var(--accent2);
            transform: rotate(180deg);
        }

        details p {
            padding: 0 24px 24px;
            margin: 0;
            color: var(--muted);
            font-size: 1rem;
            line-height: 1.7;
        }

        /* --- RELATED LINKS SECTION --- */
        .related-nav {
            margin: 80px 0 40px;
        }

        .related-nav h3 {
            text-align: center;
            color: var(--muted);
            margin-bottom: 24px;
            font-size: 1.2rem;
            letter-spacing: 2px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .related-card {
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--surface), var(--surface-light));
            padding: 24px;
            border-radius: 12px;
            border: 1px solid rgba(212, 175, 55, 0.2);
            text-align: center;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text);
            text-transform: uppercase;
            letter-spacing: 1px;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .related-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background: linear-gradient(45deg, transparent, rgba(192, 38, 211, 0.1), transparent);
            transform: translateX(-100%);
            transition: transform 0.6s ease;
            z-index: -1;
        }

        .related-card:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 10px 20px rgba(0,0,0,0.4), inset 0 0 15px rgba(212, 175, 55, 0.1);
            transform: translateY(-4px);
        }

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

        /* --- FINAL CTA SECTION --- */
        .final-cta {
            background: linear-gradient(to right, #11091f, #210d33);
            padding: 64px 32px;
            text-align: center;
            border-radius: 24px;
            margin: 80px auto;
            position: relative;
            border: 1px solid rgba(192, 38, 211, 0.3);
            box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 40px rgba(192, 38, 211, 0.1);
            overflow: hidden;
        }

        .final-cta::after {
            content: '';
            position: absolute;
            top: -50%; left: -50%; width: 200%; height: 200%;
            background: radial-gradient(circle, rgba(212,175,55,0.08) 0%, transparent 50%);
            pointer-events: none;
        }

        .final-cta h2 {
            font-size: 2.2rem;
            color: var(--text);
            margin-bottom: 16px;
            text-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
        }

        .final-cta p {
            color: var(--muted);
            margin-bottom: 40px;
            font-size: 1.1rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 24px;
            position: relative;
            z-index: 2;
        }

        .cta-buttons .btn {
            min-width: 200px;
            padding: 16px 32px;
            font-size: 1.1rem;
        }

        /* --- FOOTER (Part A2 Styles) --- */
        footer {
            background: #08040e;
            padding: 80px 0 40px;
            border-top: 1px solid rgba(157, 148, 184, 0.1);
            text-align: center;
        }

        .footer-brand {
            font-family: var(--font-display);
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        .footer-tagline {
            color: var(--muted);
            margin-bottom: 40px;
            font-size: 1rem;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px 32px;
            margin-bottom: 48px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .footer-links a {
            color: var(--text);
            font-size: 0.95rem;
            font-family: var(--font-display);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

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

        .copyright {
            color: #554d6b;
            font-size: 0.85rem;
        }

        /* --- RESPONSIVE DESIGN --- */
        @media (max-width: 1024px) {
            #main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(26, 15, 46, 0.98);
                backdrop-filter: blur(10px);
                padding: 24px;
                border-bottom: 1px solid var(--accent2);
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }
            #main-nav.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
        }

        @media (max-width: 768px) {
            .header-ctas .btn-secondary {
                display: none;
            }
            .hero-banner {
                padding: 60px 0 40px;
            }
            .hero-banner h1 {
                font-size: 2rem;
            }
            .article-container {
                padding: 30px 16px;
            }
            .intro-block {
                border-left: none;
                border-top: 4px solid var(--accent);
                border-radius: 16px;
                padding: 24px;
            }
            .intro-block::after {
                display: none;
            }
            .content-section h2 {
                font-size: 1.5rem;
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .faq-section {
                padding: 24px 16px;
            }
            .cta-buttons {
                flex-direction: column;
                gap: 16px;
            }
            .cta-buttons .btn {
                width: 100%;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-links {
                gap: 16px;
            }
        }

        @media (max-width: 390px) {
            .header-inner {
                padding: 0 10px;
            }
            .logo a {
                font-size: 1.5rem;
            }
            .btn {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            .hero-banner h1 {
                font-size: 1.75rem;
            }
            .meta-chips {
                flex-direction: column;
                align-items: center;
            }
            .step-list li {
                padding: 16px;
                flex-direction: column;
                gap: 8px;
            }
            .step-list li::before {
                transform: rotate(90deg);
            }
            .final-cta {
                padding: 40px 20px;
                border-radius: 16px;
            }
        }


/* 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; }