:root {
            --bg: #0a0a1c;
            --surface: #161638;
            --accent: #c084fc;
            --accent2: #818cf8;
            --text: #f2f0ff;
            --muted: #a5a1c9;
            --font-display: 'Teko', sans-serif;
            --font-body: 'Nunito', sans-serif;
            --batik-pattern: radial-gradient(circle at 100% 0%, rgba(192, 132, 252, 0.08) 0%, transparent 40%),
                             radial-gradient(circle at 0% 100%, rgba(129, 140, 248, 0.08) 0%, transparent 40%);
        }

        * { 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;
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Typography */
        h1, h2, h3, h4, .font-display {
            font-family: var(--font-display);
            text-transform: uppercase;
            line-height: 1.1;
            letter-spacing: 0.5px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.6rem 1.5rem;
            font-family: var(--font-display);
            font-size: 1.25rem;
            text-transform: uppercase;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            min-height: 44px;
            border: 2px solid transparent;
        }
        .btn-primary {
            background-color: var(--accent);
            color: var(--bg);
            font-weight: 600;
        }
        .btn-primary:hover {
            background-color: var(--accent2);
            color: var(--bg);
            box-shadow: 0 0 15px rgba(192, 132, 252, 0.4);
        }
        .btn-secondary {
            background-color: transparent;
            border-color: var(--accent2);
            color: var(--accent2);
        }
        .btn-secondary:hover {
            background-color: var(--accent2);
            color: var(--bg);
        }
        .btn-lg {
            padding: 0.8rem 2.5rem;
            font-size: 1.5rem;
        }

        /* Header (Exact Match Styling) */
        header {
            background-color: rgba(10, 10, 28, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(129, 140, 248, 0.2);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }
        .logo {
            font-family: var(--font-display);
            font-size: 2.5rem;
            color: var(--accent);
            font-weight: 700;
            letter-spacing: 1px;
        }
        .nav-links {
            display: none;
            gap: 1.5rem;
        }
        .nav-links a {
            color: var(--text);
            font-weight: 600;
            font-size: 0.95rem;
        }
        .nav-links a:hover { color: var(--accent); }
        .header-actions {
            display: none;
            gap: 1rem;
            align-items: center;
        }
        .mobile-toggle {
            display: block;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.8rem;
            cursor: pointer;
            min-width: 44px;
            min-height: 44px;
        }
        .mobile-menu {
            display: none;
            background-color: var(--surface);
            padding: 1.5rem;
            border-bottom: 1px solid var(--accent2);
        }
        .mobile-menu.active {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .mobile-menu .nav-links {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .mobile-menu .header-actions {
            display: flex;
            flex-direction: column;
            width: 100%;
        }
        .mobile-menu .btn { width: 100%; }

        @media (min-width: 1024px) {
            .nav-links { display: flex; }
            .header-actions { display: flex; }
            .mobile-toggle { display: none; }
            .mobile-menu { display: none !important; }
        }

        /* Hero Banner */
        .page-hero {
            position: relative;
            padding: 4rem 0 3rem;
            background: var(--surface);
            background-image: var(--batik-pattern);
            border-bottom: 1px solid rgba(192, 132, 252, 0.15);
            text-align: center;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: url('data:image/svg+xml;utf8,<svg width="40" height="40" viewBox="0 0 40 40" xmlns="http://www.w3.org/2000/svg"><path d="M20 0c11 0 20 9 20 20s-9 20-20 20S0 31 0 20 9 0 20 0zm0 2c-9.9 0-18 8.1-18 18s8.1 18 18 18 18-8.1 18-18S29.9 2 20 2zm0 8c5.5 0 10 4.5 10 10s-4.5 10-10 10-10-4.5-10-10 4.5-10 10-10zm0 2c-4.4 0-8 3.6-8 8s3.6 8 8 8 8-3.6 8-8-3.6-8-8-8z" fill="%23818cf8" fill-opacity="0.03" fill-rule="evenodd"/></svg>') repeat;
            opacity: 0.5;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 1.5rem;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb a { color: var(--accent2); }
        .page-hero h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            color: var(--text);
            margin-bottom: 1rem;
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
            background: linear-gradient(135deg, #f2f0ff 0%, #c084fc 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .meta-chips {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .chip {
            background-color: rgba(192, 132, 252, 0.1);
            border: 1px solid rgba(192, 132, 252, 0.3);
            color: var(--accent);
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        /* Main Content Area */
        .main-content {
            padding: 4rem 0;
        }

        /* Intro Block */
        .intro-block {
            background-color: var(--surface);
            padding: 2rem;
            border-radius: 12px;
            border-left: 4px solid var(--accent);
            margin-bottom: 4rem;
            font-size: 1.1rem;
            color: var(--text);
            position: relative;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }
        .intro-block p { margin: 0; }

        /* Guide Sections (Body) */
        .guide-grid {
            display: grid;
            gap: 2rem;
            margin-bottom: 4rem;
        }
        .guide-card {
            background-color: var(--surface);
            border-radius: 12px;
            padding: 2.5rem;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(129, 140, 248, 0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .guide-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.3);
            border-color: rgba(192, 132, 252, 0.3);
        }
        .guide-card::before {
            content: '';
            position: absolute;
            top: 0; right: 0;
            width: 150px; height: 150px;
            background: radial-gradient(circle at top right, rgba(192, 132, 252, 0.1), transparent 70%);
            pointer-events: none;
        }
        .guide-header {
            display: flex;
            align-items: flex-start;
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .step-badge {
            font-family: var(--font-display);
            font-size: 3rem;
            line-height: 1;
            color: var(--accent);
            opacity: 0.8;
            background: rgba(192, 132, 252, 0.1);
            width: 60px; height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            flex-shrink: 0;
        }
        .guide-card h2 {
            font-size: 2rem;
            color: var(--text);
            margin-top: 0.5rem;
        }
        .guide-body p {
            color: var(--muted);
            margin-bottom: 1rem;
        }
        .guide-body a {
            color: var(--accent);
            border-bottom: 1px dashed var(--accent);
        }
        .guide-body a:hover {
            color: var(--accent2);
            border-bottom-style: solid;
        }
        .styled-list {
            list-style: none;
            margin-top: 1.5rem;
            padding-left: 0;
            background: rgba(10, 10, 28, 0.3);
            padding: 1.5rem;
            border-radius: 8px;
        }
        .styled-list li {
            position: relative;
            padding-left: 2rem;
            margin-bottom: 0.8rem;
            color: var(--text);
        }
        .styled-list li:last-child { margin-bottom: 0; }
        .styled-list li::before {
            content: '✦';
            position: absolute;
            left: 0; top: 0;
            color: var(--accent2);
            font-size: 1.2rem;
            line-height: 1.4;
        }

        /* FAQ Section */
        .faq-section {
            margin-bottom: 4rem;
        }
        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-header h2 {
            font-size: 2.5rem;
            color: var(--accent);
        }
        .batik-divider {
            height: 4px;
            width: 60px;
            background: var(--accent2);
            margin: 1rem auto 0;
            border-radius: 2px;
            position: relative;
        }
        .batik-divider::before, .batik-divider::after {
            content: '';
            position: absolute;
            height: 4px; width: 15px;
            background: var(--accent);
            border-radius: 2px;
            top: 0;
        }
        .batik-divider::before { left: -25px; }
        .batik-divider::after { right: -25px; }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            background-color: var(--surface);
            border: 1px solid rgba(129, 140, 248, 0.15);
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: rgba(192, 132, 252, 0.4);
        }
        .faq-item summary {
            padding: 1.5rem;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
            color: var(--text);
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after {
            content: '+';
            color: var(--accent);
            font-family: var(--font-display);
            font-size: 2rem;
            line-height: 0.5;
            transition: transform 0.3s ease;
        }
        .faq-item[open] summary::after {
            content: '−';
            color: var(--accent2);
        }
        .faq-item[open] {
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }
        .faq-answer {
            padding: 0 1.5rem 1.5rem;
            color: var(--muted);
            border-top: 1px solid rgba(255,255,255,0.05);
            margin-top: 0.5rem;
            padding-top: 1.5rem;
            animation: fadeIn 0.4s ease;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Related Pages */
        .related-pages {
            background: rgba(22, 22, 56, 0.5);
            padding: 3rem;
            border-radius: 12px;
            margin-bottom: 4rem;
            border: 1px solid rgba(129, 140, 248, 0.1);
        }
        .related-pages h3 {
            font-size: 2rem;
            text-align: center;
            margin-bottom: 2rem;
            color: var(--text);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
        }
        .related-link {
            background: var(--surface);
            padding: 1.5rem;
            border-radius: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border: 1px solid rgba(129, 140, 248, 0.2);
            color: var(--text);
            font-weight: 600;
        }
        .related-link:hover {
            background: var(--accent);
            color: var(--bg);
            border-color: var(--accent);
            transform: translateY(-3px);
        }
        .link-arrow {
            font-family: var(--font-display);
            font-size: 1.5rem;
            line-height: 1;
        }

        /* CTA Section */
        .final-cta {
            background: linear-gradient(135deg, var(--surface) 0%, rgba(192, 132, 252, 0.2) 100%);
            padding: 4rem 2rem;
            text-align: center;
            border-radius: 16px;
            border: 1px solid rgba(192, 132, 252, 0.3);
            position: relative;
            overflow: hidden;
        }
        .final-cta::before {
            content: '';
            position: absolute;
            top: -50%; left: -50%; width: 200%; height: 200%;
            background: radial-gradient(circle, rgba(129, 140, 248, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }
        .final-cta h2 {
            font-size: 3rem;
            color: var(--text);
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }
        .final-cta p {
            font-size: 1.1rem;
            color: var(--muted);
            margin-bottom: 2.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        /* Footer (Exact Match Styling) */
        footer {
            background-color: var(--surface);
            padding: 4rem 0 2rem;
            border-top: 2px solid var(--accent2);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        @media (min-width: 768px) {
            .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
        }
        .footer-brand {
            font-family: var(--font-display);
            font-size: 3rem;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 1rem;
            text-transform: uppercase;
        }
        .footer-info p { color: var(--muted); max-width: 300px; }
        .footer-links-group h4 {
            font-size: 1.5rem;
            color: var(--text);
            margin-bottom: 1.5rem;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .footer-links a { color: var(--muted); }
        .footer-links a:hover { color: var(--accent); padding-left: 5px; }
        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.05);
            color: var(--muted);
            font-size: 0.9rem;
        }

        /* Responsive Breakpoints */
        @media (max-width: 768px) {
            .page-hero { padding: 3rem 0 2rem; }
            .guide-header { flex-direction: column; gap: 1rem; }
            .step-badge { width: 50px; height: 50px; font-size: 2.5rem; }
            .guide-card { padding: 1.5rem; }
            .related-pages { padding: 1.5rem; }
            .cta-buttons { flex-direction: column; width: 100%; }
            .cta-buttons .btn { width: 100%; }
        }


/* 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; }