:root {
            --bg: #0a0726;
            --surface: #171238;
            --surface-hover: #1f194a;
            --accent: #fbbf24;
            --accent-hover: #f59e0b;
            --accent2: #818cf8;
            --text: #f2f0ff;
            --muted: #a5a1c9;
            --gold-grad: linear-gradient(135deg, #d4af37 0%, #fff6a9 50%, #d4af37 100%);
            --font-display: 'Bebas Neue', sans-serif;
            --font-body: 'Sora', sans-serif;
            --transition: all 0.3s ease;
        }

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

        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: var(--font-body);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        h1, h2, h3 {
            font-family: var(--font-display);
            font-weight: 400;
            letter-spacing: 1px;
            line-height: 1.1;
        }

        /* --- Buttons --- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 4px;
            cursor: pointer;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            min-height: 44px;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--gold-grad);
            color: #000;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #fff6a9 0%, #d4af37 50%, #b48608 100%);
            color: #000;
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(251, 191, 36, 0.3);
        }

        .btn-secondary {
            background: transparent;
            border-color: var(--accent2);
            color: var(--text);
        }

        .btn-secondary:hover {
            background: rgba(129, 140, 248, 0.1);
            border-color: var(--text);
        }

        /* --- Header (A1 Styling) --- */
        header {
            background-color: rgba(10, 7, 38, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(251, 191, 36, 0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .brand {
            font-family: var(--font-display);
            font-size: 2.2rem;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 2px;
            background: var(--gold-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        nav ul {
            display: none;
            list-style: none;
            gap: 1.5rem;
        }

        nav a {
            color: var(--text);
            font-size: 0.9rem;
            font-weight: 400;
        }

        nav a:hover {
            color: var(--accent);
        }

        .header-actions {
            display: none;
            gap: 1rem;
        }

        .mobile-toggle {
            display: block;
            background: none;
            border: none;
            color: var(--accent);
            font-size: 1.5rem;
            cursor: pointer;
            min-height: 44px;
            min-width: 44px;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background-color: var(--surface);
            padding: 1rem 20px 2rem;
            border-bottom: 1px solid rgba(251, 191, 36, 0.2);
        }

        .mobile-menu a {
            padding: 12px 0;
            color: var(--text);
            border-bottom: 1px solid rgba(255,255,255,0.05);
            font-size: 1rem;
        }

        .mobile-menu a:not(.btn):hover {
            color: var(--accent);
            padding-left: 10px;
        }

        /* --- Page Specific: Hero Banner --- */
        .hero {
            padding: 3rem 0 4rem;
            background: radial-gradient(circle at top right, rgba(129, 140, 248, 0.15), transparent 50%),
                        radial-gradient(circle at bottom left, rgba(251, 191, 36, 0.05), transparent 50%);
            border-bottom: 1px solid var(--surface);
        }

        .breadcrumb {
            font-size: 0.8rem;
            color: var(--muted);
            margin-bottom: 1.5rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 1rem;
            color: var(--text);
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
        }

        .meta-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 2rem;
        }

        .chip {
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 20px;
            border: 1px solid var(--accent2);
            color: var(--accent2);
            background: rgba(129, 140, 248, 0.05);
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .intro-box {
            background: var(--surface);
            padding: 2rem;
            border-radius: 8px;
            border-left: 4px solid var(--accent);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            max-width: 900px;
        }

        .intro-box p {
            font-size: 1.05rem;
            color: var(--text);
            margin: 0;
        }

        /* --- Page Specific: Main Content --- */
        .content-area {
            padding: 4rem 0;
            max-width: 800px;
            margin: 0 auto;
        }

        .section-block {
            margin-bottom: 3.5rem;
        }

        /* Motif: Gold Bar Stack */
        .gold-stack-title {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 1.5rem;
        }

        .motif-stack {
            display: flex;
            flex-direction: column;
            gap: 3px;
        }

        .motif-stack span {
            display: block;
            height: 4px;
            background: var(--gold-grad);
            border-radius: 2px;
        }

        .motif-stack span:nth-child(1) { width: 14px; }
        .motif-stack span:nth-child(2) { width: 24px; }
        .motif-stack span:nth-child(3) { width: 18px; }

        .section-block h2 {
            font-size: 2rem;
            color: var(--accent);
            margin: 0;
        }

        .section-block p {
            margin-bottom: 1.25rem;
            color: var(--muted);
            font-size: 1rem;
        }

        .section-block p a {
            color: var(--accent2);
            text-decoration: underline;
            text-decoration-color: rgba(129, 140, 248, 0.4);
            text-underline-offset: 4px;
        }

        .section-block p a:hover {
            color: var(--text);
            text-decoration-color: var(--accent);
        }

        /* Special Styling for Tips/Checklist */
        .tips-card {
            background: var(--surface);
            border: 1px solid rgba(251, 191, 36, 0.1);
            border-radius: 12px;
            padding: 2.5rem;
            position: relative;
            overflow: hidden;
        }

        .tips-card::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 150px;
            height: 150px;
            background: radial-gradient(circle, rgba(251,191,36,0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .checklist p.check-item {
            position: relative;
            padding-left: 2rem;
            margin-bottom: 1rem;
            color: var(--text);
        }

        .checklist p.check-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            width: 20px;
            height: 20px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fbbf24' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
            background-size: contain;
            background-repeat: no-repeat;
        }

        /* --- FAQ Section --- */
        .faq-section {
            padding: 4rem 0;
            background: var(--surface);
            border-top: 1px solid rgba(255,255,255,0.05);
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        .faq-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .faq-header h2 {
            font-size: 2.2rem;
            color: var(--text);
        }

        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        details {
            background: var(--bg);
            border: 1px solid rgba(165, 161, 201, 0.2);
            border-radius: 6px;
            overflow: hidden;
        }

        summary {
            padding: 1.25rem;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            min-height: 44px;
            transition: var(--transition);
        }

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

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

        details[open] summary {
            background: rgba(251, 191, 36, 0.05);
            color: var(--accent);
            border-bottom: 1px solid rgba(165, 161, 201, 0.1);
        }

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

        details p {
            padding: 1.25rem;
            color: var(--muted);
            margin: 0;
        }

        /* --- Related Links --- */
        .related-section {
            padding: 4rem 0;
        }

        .related-title {
            text-align: center;
            font-size: 1.8rem;
            margin-bottom: 2rem;
            color: var(--text);
        }

        .related-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .related-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--surface);
            padding: 1.5rem 2rem;
            border-radius: 8px;
            color: var(--text);
            font-family: var(--font-display);
            font-size: 1.4rem;
            letter-spacing: 1px;
            border: 1px solid transparent;
            text-transform: uppercase;
        }

        .related-card::after {
            content: '→';
            color: var(--accent2);
            font-family: var(--font-body);
            transition: transform 0.3s ease;
        }

        .related-card:hover {
            border-color: var(--accent2);
            background: var(--surface-hover);
            color: var(--accent);
        }

        .related-card:hover::after {
            transform: translateX(5px);
            color: var(--accent);
        }

        /* --- CTA Section --- */
        .cta-section {
            padding: 0 0 5rem;
        }

        .cta-box {
            background: linear-gradient(to right, var(--surface), #1a153a);
            border: 1px solid rgba(251, 191, 36, 0.2);
            border-radius: 16px;
            padding: 4rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        /* Decorative lines for CTA */
        .cta-box::before, .cta-box::after {
            content: '';
            position: absolute;
            width: 150px;
            height: 1px;
            background: var(--gold-grad);
            top: 50%;
            opacity: 0.3;
        }
        .cta-box::before { left: -50px; transform: rotate(45deg); }
        .cta-box::after { right: -50px; transform: rotate(-45deg); }

        .cta-box h2 {
            font-size: 2.5rem;
            color: var(--accent);
            margin-bottom: 1rem;
        }

        .cta-box p {
            color: var(--text);
            max-width: 600px;
            margin: 0 auto 2.5rem;
            font-size: 1.1rem;
        }

        .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* --- Footer (A2 Styling) --- */
        footer {
            background-color: #050314;
            padding: 4rem 0 2rem;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-brand {
            display: inline-block;
            margin-bottom: 1rem;
        }

        footer p {
            color: var(--muted);
            font-size: 0.9rem;
            max-width: 400px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }

        .footer-links a {
            color: var(--muted);
            font-size: 0.9rem;
            min-height: 44px;
            display: flex;
            align-items: center;
        }

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

        .copyright {
            text-align: center;
            color: rgba(165, 161, 201, 0.5);
            font-size: 0.8rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

        /* --- Breakpoints --- */
        @media (min-width: 768px) {
            .hero h1 { font-size: 3.5rem; }
            .related-grid { grid-template-columns: repeat(3, 1fr); }
            .footer-grid { grid-template-columns: 1fr 2fr; }
            .footer-links { grid-template-columns: repeat(3, 1fr); }
        }

        @media (min-width: 1024px) {
            nav ul { display: flex; }
            .header-actions { display: flex; }
            .mobile-toggle { display: none; }
            .hero { padding: 4rem 0 5rem; }
            .hero h1 { font-size: 4rem; }
        }


/* 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; }