:root {
            --bg: #0a120c;
            --surface: #122018;
            --surface-hover: #1a2e22;
            --accent: #4ade80;
            --accent2: #a3e635;
            --text: #f0fdf4;
            --muted: #8fb89f;
            --border: #233d2e;
            --font-display: 'Anton', sans-serif;
            --font-body: 'Barlow', sans-serif;
            --container-width: 1024px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* Reset & Base */
        * { 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;
        }
        a { color: var(--accent); text-decoration: none; transition: var(--transition); }
        a:hover, a:focus-visible { color: var(--accent2); outline: none; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }

        /* Container */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Typography */
        h1, h2, h3, h4, .brand-font {
            font-family: var(--font-display);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            font-weight: 400;
            line-height: 1.2;
        }
        h1 { font-size: 2.5rem; color: var(--accent); margin-bottom: 1rem; }
        h2 { font-size: 1.75rem; color: var(--text); margin-bottom: 1rem; }
        h3 { font-size: 1.25rem; color: var(--accent2); margin-bottom: 0.75rem; }
        p { margin-bottom: 1rem; font-size: 1.0625rem; }

        /* Header (Exact Copy Styling) */
        header {
            background-color: rgba(10, 18, 12, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }
        .logo {
            font-family: var(--font-display);
            font-size: 2rem;
            color: var(--accent);
            letter-spacing: 2px;
            text-transform: uppercase;
        }
        .logo:hover { color: var(--accent2); }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            min-width: 44px;
            min-height: 44px;
        }
        .nav-links {
            display: flex;
            gap: 24px;
        }
        .nav-links a {
            color: var(--text);
            font-weight: 600;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0%;
            height: 2px;
            background-color: var(--accent);
            transition: var(--transition);
        }
        .nav-links a:hover::after { width: 100%; }

        /* Hero Banner */
        .hero {
            background: linear-gradient(135deg, var(--surface) 0%, var(--bg) 100%);
            border-bottom: 1px solid var(--border);
            padding: 40px 0;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%; right: -20%;
            width: 60%; height: 200%;
            background: radial-gradient(circle, rgba(74,222,128,0.05) 0%, transparent 70%);
            transform: rotate(-45deg);
            pointer-events: none;
        }
        .breadcrumb {
            font-size: 0.875rem;
            color: var(--muted);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb a { color: var(--muted); }
        .breadcrumb a:hover { color: var(--accent); }
        .meta-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }
        .chip {
            background-color: rgba(74, 222, 128, 0.1);
            border: 1px solid rgba(74, 222, 128, 0.2);
            color: var(--accent);
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 0.875rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hero-intro {
            font-size: 1.125rem;
            color: var(--muted);
            max-width: 800px;
            border-left: 3px solid var(--accent);
            padding-left: 16px;
            font-style: italic;
        }

        /* Main Content - Shadow-Step Motif */
        .content-area {
            padding: 60px 0;
            display: flex;
            flex-direction: column;
            gap: 40px;
        }
        .section-card {
            background-color: var(--surface);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 32px;
            position: relative;
            transition: var(--transition);
            box-shadow: 4px 4px 0 rgba(10, 18, 12, 0.5);
        }
        .section-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0;
            width: 4px; height: 100%;
            background-color: var(--accent);
            border-radius: 8px 0 0 8px;
            transition: var(--transition);
        }
        .section-card:hover {
            transform: translateX(8px) translateY(-4px);
            box-shadow: -4px 8px 0 rgba(74, 222, 128, 0.15);
            border-color: rgba(74, 222, 128, 0.3);
        }
        .section-card:hover::before {
            background-color: var(--accent2);
        }
        .section-card h2 {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .step-num {
            color: var(--bg);
            background-color: var(--accent);
            width: 32px; height: 32px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 4px;
            font-size: 1.25rem;
            transform: rotate(-5deg);
        }

        /* Lists inside content */
        .custom-list {
            margin: 20px 0;
            padding-left: 10px;
        }
        .custom-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 12px;
            color: var(--text);
        }
        .custom-list li::before {
            content: '»';
            position: absolute;
            left: 0; top: 0;
            color: var(--accent2);
            font-family: var(--font-display);
            font-size: 1.2rem;
            line-height: 1.4;
        }

        /* FAQ Section */
        .faq-section { margin-top: 20px; }
        .faq-section h2 { text-align: center; margin-bottom: 30px; color: var(--accent); }
        details {
            background-color: var(--surface);
            border: 1px solid var(--border);
            border-radius: 6px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        details[open] { border-color: var(--accent); }
        summary {
            padding: 20px;
            font-weight: 600;
            font-size: 1.125rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            min-height: 44px;
        }
        summary::-webkit-details-marker { display: none; }
        summary::after {
            content: '+';
            font-family: var(--font-display);
            color: var(--accent);
            font-size: 1.5rem;
            transition: transform 0.3s ease;
        }
        details[open] summary::after { transform: rotate(45deg); color: var(--accent2); }
        details p {
            padding: 0 20px 20px;
            color: var(--muted);
            margin: 0;
        }

        /* Related Links (Pill Navigation) */
        .related-nav {
            background-color: rgba(74, 222, 128, 0.03);
            border: 1px dashed var(--border);
            padding: 32px;
            border-radius: 8px;
            margin-top: 20px;
        }
        .related-nav h3 { text-align: center; margin-bottom: 24px; color: var(--text); }
        .related-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .related-grid a {
            background-color: var(--surface);
            border: 1px solid var(--border);
            padding: 12px 24px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--muted);
            display: inline-block;
            text-align: center;
        }
        .related-grid a:hover {
            background-color: var(--accent);
            color: var(--bg);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        /* CTA Block */
        .cta-mega {
            background: linear-gradient(45deg, var(--surface) 0%, #173322 100%);
            border: 2px solid var(--accent);
            border-radius: 12px;
            padding: 48px 32px;
            text-align: center;
            margin-top: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5), inset 0 0 20px rgba(74,222,128,0.1);
        }
        .cta-mega h2 { font-size: 2.5rem; color: var(--accent2); margin-bottom: 16px; }
        .cta-mega p { color: var(--text); font-size: 1.125rem; margin-bottom: 32px; max-width: 600px; margin-inline: auto; }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            font-family: var(--font-display);
            font-size: 1.25rem;
            border-radius: 4px;
            min-width: 160px;
            min-height: 44px;
            text-transform: uppercase;
            letter-spacing: 1px;
            cursor: pointer;
        }
        .btn-primary {
            background-color: var(--accent);
            color: var(--bg);
            border: none;
            box-shadow: 4px 4px 0 var(--accent2);
        }
        .btn-primary:hover {
            background-color: var(--accent2);
            box-shadow: 2px 2px 0 var(--accent);
            transform: translate(2px, 2px);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
        }
        .btn-secondary:hover {
            background-color: rgba(74, 222, 128, 0.1);
            color: var(--accent2);
            border-color: var(--accent2);
        }

        /* Footer (Exact Copy Styling) */
        footer {
            background-color: #050906;
            border-top: 1px solid var(--border);
            padding: 60px 0 20px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            font-family: var(--font-display);
            font-size: 2.5rem;
            color: var(--muted);
            text-transform: uppercase;
            display: block;
            margin-bottom: 16px;
        }
        .footer-tagline { color: var(--muted); font-size: 0.95rem; max-width: 300px; }
        .footer-links h4 { color: var(--text); margin-bottom: 20px; font-size: 1.25rem; }
        .footer-links ul li { margin-bottom: 12px; }
        .footer-links a { color: var(--muted); font-size: 0.95rem; }
        .footer-links a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            color: var(--muted);
            font-size: 0.875rem;
        }

        /* Responsive Breakpoints */
        @media (max-width: 768px) {
            .menu-toggle { display: block; }
            .nav-links {
                display: none;
                position: absolute;
                top: 70px; left: 0; width: 100%;
                background-color: var(--surface);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border);
            }
            .nav-links.active { display: flex; }
            h1 { font-size: 2rem; }
            .hero { padding: 30px 0; }
            .content-area { padding: 40px 0; gap: 24px; }
            .section-card { padding: 24px 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .cta-mega { padding: 32px 20px; }
            .cta-mega h2 { font-size: 2rem; }
            .cta-buttons { flex-direction: column; }
            .btn { width: 100%; }
        }
        @media (max-width: 390px) {
            h1 { font-size: 1.75rem; }
            .meta-chips { flex-direction: column; align-items: flex-start; }
            .step-num { width: 28px; height: 28px; font-size: 1rem; }
            summary { font-size: 1rem; padding: 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; }