:root {
            --bg: #0a120c;
            --surface: #122018;
            --surface-hover: #1a2d22;
            --accent: #4ade80;
            --accent2: #a3e635;
            --text: #f0fdf4;
            --muted: #8fb89f;
            --border: #2a4030;
            --font-display: 'Anton', sans-serif;
            --font-body: 'Barlow', sans-serif;
        }

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

        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: var(--font-body);
            line-height: 1.6;
            overflow-x: hidden;
        }

        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 20px; }

        /* Header (Matching Homepage) */
        header { background: var(--bg); border-bottom: 2px solid var(--border); position: sticky; top: 0; z-index: 100; box-shadow: 0 4px 12px rgba(0,0,0,0.5); }
        .nav-container { display: flex; justify-content: space-between; align-items: center; height: 70px; }
        .logo { font-family: var(--font-display); font-size: 2.2rem; color: var(--accent); text-transform: uppercase; letter-spacing: 1px; text-shadow: 2px 2px 0 var(--border); }
        .nav-links { display: flex; gap: 25px; }
        .nav-links a { color: var(--text); font-weight: 600; text-transform: uppercase; font-size: 0.95rem; letter-spacing: 0.5px; }
        .nav-links a:hover { color: var(--accent2); transform: translateY(-2px); display: inline-block; }
        .menu-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.8rem; cursor: pointer; }

        @media (max-width: 768px) {
            .nav-links { display: none; position: absolute; top: 70px; left: 0; width: 100%; background: var(--surface); flex-direction: column; padding: 20px; border-bottom: 2px solid var(--border); box-shadow: 0 10px 20px rgba(0,0,0,0.5); }
            .nav-links.active { display: flex; }
            .menu-toggle { display: block; }
        }

        /* Hero Banner */
        .hero-banner {
            padding: 80px 0 100px;
            background: linear-gradient(180deg, #0a120c 0%, #122018 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            right: -5%;
            bottom: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(74, 222, 128, 0.05) 0%, transparent 70%);
            z-index: 0;
        }
        .hero-content { position: relative; z-index: 1; }
        .breadcrumb { font-size: 0.9rem; color: var(--muted); margin-bottom: 25px; display: inline-block; font-weight: 500; }
        .breadcrumb a { color: var(--muted); }
        .breadcrumb a:hover { color: var(--text); }

        h1 {
            font-family: var(--font-display);
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            color: var(--text);
            line-height: 1.05;
            margin-bottom: 25px;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 4px 4px 0 var(--border);
            max-width: 900px;
        }

        .meta-chips { display: flex; gap: 12px; flex-wrap: wrap; }
        .chip {
            background: var(--surface-hover);
            border: 1px solid var(--border);
            color: var(--accent2);
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            box-shadow: 3px 3px 0 var(--border);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* Intro Block */
        .intro-container { max-width: 1000px; margin: -50px auto 60px; padding: 0 20px; position: relative; z-index: 10; }
        .intro-block {
            background: var(--surface);
            padding: 40px;
            border-left: 6px solid var(--accent);
            box-shadow: 8px 8px 0 rgba(0,0,0,0.6);
            font-size: 1.15rem;
            color: var(--text);
            line-height: 1.7;
        }

        /* Shadow-Step Motif Typography */
        h2 { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 1px; }

        /* Highlight Section (Section 1) */
        .highlight-section {
            background: var(--surface-hover);
            padding: 80px 0;
            border-top: 2px dashed var(--border);
            border-bottom: 2px dashed var(--border);
            margin-bottom: 60px;
        }
        .highlight-section h2 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            color: var(--accent2);
            text-align: center;
            margin-bottom: 25px;
            text-shadow: 2px 2px 0 var(--bg);
        }
        .highlight-section p {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 15px;
            color: var(--muted);
            font-size: 1.05rem;
        }

        .step-list {
            display: grid;
            gap: 25px;
            max-width: 1000px;
            margin: 50px auto 0;
            list-style: none;
            counter-reset: ninja-step;
        }
        @media(min-width: 768px) { .step-list { grid-template-columns: 1fr 1fr; } }

        .step-list li {
            position: relative;
            background: var(--bg);
            padding: 25px 25px 25px 70px;
            border: 1px solid var(--border);
            box-shadow: 5px 5px 0 var(--border);
            font-weight: 600;
            font-size: 1.1rem;
            color: var(--text);
            transition: transform 0.2s;
        }
        .step-list li:hover { transform: translate(-3px, -3px); box-shadow: 8px 8px 0 var(--accent); border-color: var(--accent); }
        .step-list li::before {
            counter-increment: ninja-step;
            content: counter(ninja-step);
            position: absolute;
            left: -15px;
            top: 50%;
            transform: translateY(-50%);
            width: 50px;
            height: 50px;
            background: var(--accent);
            color: var(--bg);
            font-family: var(--font-display);
            font-size: 1.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            clip-path: polygon(15% 0, 100% 0, 85% 100%, 0% 100%);
            box-shadow: 3px 3px 0 var(--accent2);
        }

        /* Content Grid (Sections 2-5) */
        .content-grid {
            display: grid;
            gap: 40px;
            margin-bottom: 80px;
        }
        @media(min-width: 768px) { .content-grid { grid-template-columns: 1fr 1fr; } }

        .content-card {
            background: var(--surface);
            padding: 35px;
            border: 1px solid var(--border);
            box-shadow: 6px 6px 0 rgba(0,0,0,0.5);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .content-card::after {
            content: '';
            position: absolute;
            top: 0; right: 0;
            width: 30px; height: 30px;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
            border-left: 1px solid var(--border);
        }
        .content-card h2 {
            font-size: 1.6rem;
            color: var(--accent);
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px dashed var(--border);
            line-height: 1.2;
        }
        .content-card p { color: var(--muted); margin-bottom: 15px; }
        .content-card p:last-child { margin-bottom: 0; }
        .content-card a { text-decoration: underline; text-decoration-color: var(--border); text-underline-offset: 4px; font-weight: 600; }
        .content-card a:hover { text-decoration-color: var(--accent2); color: var(--accent2); }

        /* FAQ Section */
        .faq-section { max-width: 900px; margin: 0 auto 80px; }
        .faq-section h2 { font-size: 2.8rem; text-align: center; margin-bottom: 40px; color: var(--text); text-shadow: 2px 2px 0 var(--border); }

        details {
            background: var(--surface);
            border: 1px solid var(--border);
            margin-bottom: 20px;
            box-shadow: 4px 4px 0 rgba(0,0,0,0.5);
            transition: all 0.3s;
        }
        details[open] { border-color: var(--accent); box-shadow: 4px 4px 0 var(--accent); }

        summary {
            padding: 20px 25px;
            font-weight: 700;
            font-size: 1.1rem;
            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: '+';
            font-family: var(--font-display);
            color: var(--accent);
            font-size: 1.8rem;
            line-height: 1;
        }
        details[open] summary::after { content: '−'; color: var(--accent2); }

        details p {
            padding: 0 25px 25px;
            color: var(--muted);
            border-top: 1px dashed var(--border);
            padding-top: 20px;
            margin-top: 5px;
        }

        /* Related Pages Nav */
        .related-pages {
            background: var(--surface-hover);
            border: 2px dashed var(--border);
            padding: 50px 20px;
            text-align: center;
            margin-bottom: 80px;
        }
        .related-pages h3 {
            font-family: var(--font-display);
            color: var(--text);
            margin-bottom: 30px;
            font-size: 2rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .related-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            max-width: 900px;
            margin: 0 auto;
        }
        .related-grid a {
            background: var(--bg);
            border: 1px solid var(--border);
            padding: 12px 24px;
            color: var(--muted);
            font-weight: 700;
            text-transform: uppercase;
            font-size: 0.95rem;
            box-shadow: 3px 3px 0 var(--border);
        }
        .related-grid a:hover {
            background: var(--accent);
            color: var(--bg);
            border-color: var(--accent);
            box-shadow: 3px 3px 0 var(--accent2);
            transform: translate(-2px, -2px);
        }

        /* Final CTA */
        .cta-block {
            background: linear-gradient(135deg, var(--surface) 0%, #0a120c 100%);
            border: 1px solid var(--accent);
            padding: 70px 20px;
            text-align: center;
            margin-bottom: 80px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.8);
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%; left: -50%;
            width: 200%; height: 200%;
            background: repeating-linear-gradient(45deg, transparent, transparent 15px, rgba(74, 222, 128, 0.03) 15px, rgba(74, 222, 128, 0.03) 30px);
            pointer-events: none;
        }
        .cta-block h2 { font-size: clamp(2.2rem, 5vw, 3.5rem); color: var(--text); margin-bottom: 20px; position: relative; z-index: 1; text-shadow: 3px 3px 0 var(--bg); }
        .cta-block p { color: var(--muted); margin-bottom: 40px; max-width: 600px; margin-inline: auto; position: relative; z-index: 1; font-size: 1.1rem; }

        .btn-group { display: flex; justify-content: center; gap: 20px; position: relative; z-index: 1; flex-wrap: wrap; }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 36px;
            font-family: var(--font-display);
            font-size: 1.3rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            cursor: pointer;
            min-width: 200px;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--bg);
            box-shadow: 5px 5px 0 var(--accent2);
        }
        .btn-primary:hover {
            background: var(--accent2);
            box-shadow: 2px 2px 0 var(--accent);
            transform: translate(3px, 3px);
        }
        .btn-outline {
            background: var(--bg);
            color: var(--text);
            border: 2px solid var(--accent);
            box-shadow: 5px 5px 0 var(--surface-hover);
        }
        .btn-outline:hover {
            background: var(--surface);
            border-color: var(--accent2);
            color: var(--accent2);
            box-shadow: 2px 2px 0 var(--bg);
            transform: translate(3px, 3px);
        }

        /* Footer (Matching Homepage) */
        footer { background: var(--surface); padding: 70px 0 25px; border-top: 2px solid var(--border); }
        .footer-grid { display: grid; grid-template-columns: 1fr; gap: 40px; margin-bottom: 50px; }
        @media(min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
        .footer-brand { font-family: var(--font-display); font-size: 2.8rem; color: var(--accent); display: block; margin-bottom: 15px; text-transform: uppercase; letter-spacing: 1px; }
        .footer-tagline { color: var(--muted); font-size: 0.95rem; max-width: 400px; }
        .footer-links h4 { font-family: var(--font-display); color: var(--text); font-size: 1.3rem; margin-bottom: 25px; text-transform: uppercase; letter-spacing: 1px; }
        .footer-links ul { list-style: none; }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a { color: var(--muted); font-size: 0.95rem; font-weight: 500; }
        .footer-links a:hover { color: var(--accent); padding-left: 8px; }
        .footer-bottom { text-align: center; color: var(--muted); font-size: 0.85rem; padding-top: 25px; border-top: 1px solid var(--border); }


/* 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; }