:root {
            --bg: #0a0a1c;
            --surface: #161638;
            --surface-hover: #1e1e4a;
            --surface-alt: #1a1a3f;
            --accent: #c084fc;
            --accent2: #818cf8;
            --text: #f2f0ff;
            --muted: #a5a1c9;
            --border: rgba(165, 161, 201, 0.2);
            --font-display: 'Teko', sans-serif;
            --font-body: 'Nunito', sans-serif;
        }

        * {
            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(--accent2);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-display);
            text-transform: uppercase;
            font-weight: 500;
            line-height: 1.1;
            letter-spacing: 0.5px;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header Styles */
        header {
            background-color: rgba(10, 10, 28, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            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: 32px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-links {
            display: none;
            gap: 24px;
        }

        .nav-links a {
            color: var(--text);
            font-weight: 600;
            font-size: 15px;
        }

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

        .header-actions {
            display: none;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            font-family: var(--font-display);
            letter-spacing: 1px;
            min-height: 44px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent2));
            color: #fff;
            border: none;
            box-shadow: 0 4px 15px rgba(192, 132, 252, 0.3);
        }

        .btn-primary:hover {
            box-shadow: 0 6px 20px rgba(192, 132, 252, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text);
            border: 1px solid var(--border);
        }

        .btn-secondary:hover {
            border-color: var(--accent2);
            color: var(--accent2);
        }

        .mobile-toggle {
            display: block;
            background: none;
            border: none;
            color: var(--text);
            font-size: 24px;
            cursor: pointer;
            min-width: 44px;
            min-height: 44px;
        }

        .mobile-menu {
            display: none;
            background-color: var(--surface);
            padding: 20px;
            border-bottom: 1px solid var(--border);
        }

        .mobile-menu.active {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .mobile-menu .nav-links {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .mobile-menu .header-actions {
            display: flex;
            flex-direction: column;
            margin-top: 15px;
            padding-top: 15px;
            border-top: 1px solid var(--border);
        }

        /* Hero Section */
        .hero {
            padding: 60px 0 40px;
            background: radial-gradient(circle at top right, rgba(192, 132, 252, 0.15), transparent 50%),
                        radial-gradient(circle at bottom left, rgba(129, 140, 248, 0.1), transparent 50%);
            border-bottom: 1px solid var(--border);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0c16.569 0 30 13.431 30 30S46.569 60 30 60 0 46.569 0 30 13.431 0 30 0zm0 2c-15.464 0-28 12.536-28 28s12.536 28 28 28 28-12.536 28-28S45.464 2 30 2z' fill='%23c084fc' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
            z-index: -1;
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 20px;
            display: inline-block;
            background: var(--surface);
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid var(--border);
        }

        .hero h1 {
            font-size: 42px;
            color: var(--text);
            margin-bottom: 20px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
            background: linear-gradient(to right, #fff, var(--accent2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .chip {
            background: rgba(192, 132, 252, 0.1);
            color: var(--accent);
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid rgba(192, 132, 252, 0.2);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* Main Content */
        .main-content {
            padding: 60px 0;
        }

        .content-grid {
            display: grid;
            gap: 40px;
            max-width: 900px;
            margin: 0 auto;
        }

        /* Intro Blockquote */
        .intro-block {
            background: var(--surface);
            padding: 30px;
            border-radius: 12px;
            border-left: 4px solid var(--accent);
            position: relative;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .intro-block::before {
            content: '"';
            font-family: var(--font-display);
            font-size: 80px;
            position: absolute;
            top: -10px;
            left: 20px;
            color: rgba(192, 132, 252, 0.1);
            line-height: 1;
        }

        .intro-block p {
            font-size: 18px;
            color: var(--text);
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }

        /* Generic Section */
        .section-card {
            background: var(--surface-alt);
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .section-card h2 {
            font-size: 32px;
            color: var(--accent);
            margin-bottom: 20px;
            border-bottom: 1px solid var(--border);
            padding-bottom: 10px;
        }

        .section-card p {
            margin-bottom: 16px;
            color: var(--muted);
            font-size: 16px;
        }

        .section-card p:last-child {
            margin-bottom: 0;
        }

        .section-card p a {
            font-weight: 600;
            border-bottom: 1px dashed var(--accent2);
        }

        /* Numbered Setup for Section 2 */
        .numbered-paras p {
            position: relative;
            padding-left: 50px;
            margin-bottom: 24px;
        }

        .numbered-paras p::before {
            content: '01';
            position: absolute;
            left: 0;
            top: -5px;
            font-family: var(--font-display);
            font-size: 28px;
            color: var(--accent2);
            background: rgba(129, 140, 248, 0.1);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }

        .numbered-paras p:nth-child(2)::before { content: '02'; }

        /* Custom Checklist */
        .feature-list {
            list-style: none;
            margin-top: 24px;
            display: grid;
            gap: 12px;
        }

        .feature-list li {
            position: relative;
            padding-left: 36px;
            color: var(--text);
            background: var(--surface);
            padding: 12px 12px 12px 40px;
            border-radius: 8px;
            border: 1px solid var(--border);
        }

        .feature-list li::before {
            content: '✓';
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--accent);
            font-weight: bold;
            font-size: 18px;
        }

        /* Highlight Section (Section 4) */
        .highlight-section {
            background: linear-gradient(145deg, var(--surface), #1a1a45);
            border: 1px solid rgba(192, 132, 252, 0.3);
            box-shadow: inset 0 0 40px rgba(192, 132, 252, 0.05);
        }

        /* FAQ Section */
        .faq-wrapper {
            margin-top: 20px;
        }

        details {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        details[open] {
            border-color: var(--accent2);
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }

        summary {
            padding: 16px 20px;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            list-style: none;
            position: relative;
            padding-right: 40px;
            color: var(--text);
        }

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

        summary::after {
            content: '+';
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 24px;
            font-weight: 300;
            color: var(--accent);
            transition: transform 0.3s;
        }

        details[open] summary::after {
            content: '−';
            transform: translateY(-50%) rotate(180deg);
        }

        details p {
            padding: 0 20px 20px;
            color: var(--muted);
            margin: 0;
            border-top: 1px solid var(--border);
            padding-top: 16px;
            margin-top: 4px;
        }

        /* Related Pages */
        .related-pages {
            margin-top: 40px;
            padding-top: 40px;
            border-top: 1px solid var(--border);
        }

        .related-pages h2 {
            text-align: center;
            font-size: 28px;
            margin-bottom: 24px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
        }

        .related-link {
            display: block;
            background: var(--surface);
            border: 1px solid var(--border);
            padding: 16px;
            border-radius: 8px;
            text-align: center;
            font-weight: 600;
            color: var(--text);
            transition: all 0.3s;
        }

        .related-link:hover {
            background: var(--surface-hover);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-3px);
        }

        /* Final CTA */
        .final-cta {
            background: linear-gradient(to right, rgba(22, 22, 56, 0.9), rgba(26, 26, 63, 0.9)), url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23c084fc' fill-opacity='0.05' fill-rule='evenodd'%3E%3Ccircle cx='3' cy='3' r='3'/%3E%3Ccircle cx='13' cy='13' r='3'/%3E%3C/g%3E%3C/svg%3E");
            border-radius: 16px;
            padding: 50px 30px;
            text-align: center;
            margin-top: 60px;
            border: 1px solid rgba(192, 132, 252, 0.2);
            box-shadow: 0 20px 40px rgba(0,0,0,0.3);
        }

        .final-cta h2 {
            font-size: 36px;
            color: #fff;
            margin-bottom: 16px;
        }

        .final-cta p {
            color: var(--muted);
            margin-bottom: 30px;
            font-size: 18px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer Styles */
        footer {
            background-color: #050510;
            padding: 60px 0 20px;
            border-top: 1px solid var(--border);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-family: var(--font-display);
            font-size: 36px;
            color: var(--text);
            margin-bottom: 15px;
            line-height: 1;
        }

        .footer-info p {
            color: var(--muted);
            font-size: 15px;
        }

        .footer-links-group h4 {
            font-size: 22px;
            color: var(--text);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-links-group h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 40px;
            height: 2px;
            background: var(--accent);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: var(--muted);
            font-size: 15px;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.05);
            color: var(--muted);
            font-size: 14px;
        }

        /* Breakpoints */
        @media (min-width: 768px) {
            .hero h1 { font-size: 56px; }
            .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
            .section-card { padding: 40px; }
        }

        @media (min-width: 1024px) {
            .nav-links { display: flex; }
            .header-actions { display: flex; }
            .mobile-toggle { display: none; }
            .hero { padding: 80px 0 60px; }
            .content-grid { gap: 50px; }
        }


/* 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; }