:root {
            --bg: #06140a;
            --surface: #0d2414;
            --surface-alt: #12301a;
            --accent: #4ade80;
            --accent-hover: #22c55e;
            --accent2: #fbbf24;
            --text: #f0fff4;
            --muted: #8fb598;
            --border: rgba(74, 222, 128, 0.15);
            --font-display: 'Montserrat', sans-serif;
            --font-body: 'Lora', serif;
            --container-width: 1200px;
            --transition: all 0.3s ease;
        }

        /* Reset & Base */
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: var(--font-body);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        h1, h2, h3, h4, .brand, .btn, .nav-link, .chip, .breadcrumb {
            font-family: var(--font-display);
        }
        a { color: var(--accent); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent2); }
        .container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }

        /* Buttons */
        .btn {
            display: inline-flex; align-items: center; justify-content: center;
            padding: 12px 24px; border-radius: 6px; font-weight: 700; text-transform: uppercase;
            letter-spacing: 0.5px; cursor: pointer; text-align: center; border: 2px solid transparent;
        }
        .btn-primary { background-color: var(--accent); color: #000; }
        .btn-primary:hover { background-color: var(--accent-hover); color: #000; box-shadow: 0 0 15px rgba(74, 222, 128, 0.4); }
        .btn-secondary { background-color: transparent; border-color: var(--accent2); color: var(--accent2); }
        .btn-secondary:hover { background-color: var(--accent2); color: #000; }

        /* Header (Matching constraints) */
        header { background-color: rgba(6, 20, 10, 0.95); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 100; border-bottom: 1px solid var(--border); }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
        .brand { font-size: 24px; font-weight: 800; color: #fff; text-transform: uppercase; letter-spacing: 1px; }
        .brand span { color: var(--accent); }
        .nav-menu { display: flex; gap: 20px; }
        .nav-link { color: var(--text); font-weight: 600; font-size: 14px; text-transform: uppercase; }
        .nav-link:hover { color: var(--accent); }
        .header-ctas { display: flex; gap: 10px; }
        .header-ctas .btn { padding: 8px 16px; font-size: 13px; }
        .menu-toggle { display: none; background: none; border: none; color: var(--text); font-size: 24px; cursor: pointer; }

        /* Hero / Page Banner (Pitch Wave Motif) */
        .page-hero {
            position: relative;
            padding: 60px 0 40px;
            background: linear-gradient(135deg, #06140a 0%, #0d2414 100%);
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .page-hero::before {
            content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
            background: repeating-linear-gradient( 45deg, transparent, transparent 20px, rgba(74, 222, 128, 0.03) 20px, rgba(74, 222, 128, 0.03) 40px );
            z-index: 1; pointer-events: none;
        }
        .page-hero::after {
            content: ''; position: absolute; bottom: -50px; left: -10%; width: 120%; height: 100px;
            background: radial-gradient(ellipse at top, rgba(74, 222, 128, 0.15) 0%, transparent 70%);
            z-index: 1; pointer-events: none;
        }
        .hero-content { position: relative; z-index: 2; text-align: center; }
        .breadcrumb {
            font-size: 13px; color: var(--muted); margin-bottom: 20px;
            display: inline-block; padding: 6px 16px; background: var(--surface);
            border-radius: 20px; border: 1px solid var(--border);
        }
        h1 {
            font-size: clamp(28px, 5vw, 42px); color: #fff; font-weight: 800;
            line-height: 1.2; margin-bottom: 20px; text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        .meta-chips { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
        .chip {
            background: rgba(251, 191, 36, 0.1); color: var(--accent2);
            padding: 4px 12px; border-radius: 4px; font-size: 12px; font-weight: 600;
            border: 1px solid rgba(251, 191, 36, 0.3); text-transform: uppercase; letter-spacing: 0.5px;
        }

        /* Main Content Area */
        .main-content { padding: 60px 0; }
        .content-grid { display: grid; grid-template-columns: 1fr; gap: 40px; }

        /* Intro Block */
        .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); font-size: 18px; color: #fff;
        }
        .intro-block::before {
            content: '“'; position: absolute; top: -10px; left: 20px;
            font-family: var(--font-display); font-size: 80px; color: rgba(74, 222, 128, 0.1);
            line-height: 1; pointer-events: none;
        }

        /* Article Sections */
        .article-section {
            background: var(--surface-alt); padding: 30px; border-radius: 12px;
            border: 1px solid var(--border);
        }
        .article-section h2 {
            font-size: 24px; color: var(--accent); margin-bottom: 20px;
            display: flex; align-items: center; gap: 10px;
        }
        .article-section h2::before {
            content: ''; display: block; width: 8px; height: 24px;
            background: var(--accent2); border-radius: 2px;
        }
        .article-section p { margin-bottom: 16px; color: var(--muted); }
        .article-section p:last-child { margin-bottom: 0; }
        .article-section a { color: var(--accent2); font-weight: 600; border-bottom: 1px dashed var(--accent2); }
        .article-section a:hover { color: var(--accent); border-color: var(--accent); }

        /* Custom List for Steps */
        .steps-list {
            list-style: none; margin: 24px 0; padding: 0;
            display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px;
        }
        .steps-list li {
            background: var(--bg); padding: 20px; border-radius: 8px;
            border: 1px solid var(--border); position: relative;
            display: flex; flex-direction: column; gap: 10px;
        }
        .steps-list li::before {
            counter-increment: step; content: counter(step);
            width: 30px; height: 30px; background: var(--accent); color: #000;
            display: flex; align-items: center; justify-content: center;
            border-radius: 50%; font-family: var(--font-display); font-weight: 700;
            font-size: 14px;
        }

        /* FAQ Section */
        .faq-section { margin-top: 50px; }
        .faq-section h2 { font-size: 28px; text-align: center; margin-bottom: 30px; color: #fff; }
        details {
            background: var(--surface); border: 1px solid var(--border);
            border-radius: 8px; margin-bottom: 16px; overflow: hidden;
        }
        summary {
            padding: 20px; font-family: var(--font-display); font-weight: 600;
            cursor: pointer; position: relative; list-style: none; color: var(--text);
            display: flex; justify-content: space-between; align-items: center;
        }
        summary::-webkit-details-marker { display: none; }
        summary::after {
            content: '+'; font-size: 24px; color: var(--accent);
            transition: transform 0.3s ease; line-height: 1;
        }
        details[open] summary::after { transform: rotate(45deg); color: var(--accent2); }
        details p { padding: 0 20px 20px; color: var(--muted); border-top: 1px solid rgba(255,255,255,0.05); margin-top: 10px; padding-top: 15px; }

        /* Related Links */
        .related-links { margin-top: 50px; background: var(--surface); padding: 30px; border-radius: 12px; text-align: center; border: 1px dashed var(--border); }
        .related-links h3 { font-size: 20px; margin-bottom: 20px; color: #fff; }
        .nav-pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
        .nav-pills a {
            background: var(--bg); border: 1px solid var(--border);
            padding: 10px 20px; border-radius: 30px; font-family: var(--font-display);
            font-size: 14px; font-weight: 600; color: var(--muted);
        }
        .nav-pills a:hover { background: var(--accent); color: #000; border-color: var(--accent); }

        /* Grand CTA */
        .grand-cta {
            margin-top: 60px; padding: 50px 20px; text-align: center;
            background: linear-gradient(to right, #0d2414, #163620, #0d2414);
            border-radius: 16px; border: 1px solid var(--accent);
            box-shadow: 0 0 40px rgba(74, 222, 128, 0.1); position: relative; overflow: hidden;
        }
        .grand-cta::before {
            content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
            background: url('data:image/svg+xml;utf8,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle cx="2" cy="2" r="1" fill="%234ade80" fill-opacity="0.2"/></svg>');
            pointer-events: none;
        }
        .grand-cta h2 { font-size: 32px; color: #fff; margin-bottom: 15px; position: relative; z-index: 2; }
        .grand-cta p { color: var(--muted); margin-bottom: 30px; font-size: 18px; position: relative; z-index: 2; }
        .cta-group { display: flex; justify-content: center; gap: 20px; position: relative; z-index: 2; }

        /* Footer (Matching constraints) */
        footer { background-color: #040d06; padding: 60px 0 20px; border-top: 1px solid var(--border); margin-top: 60px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand { font-family: var(--font-display); font-size: 28px; font-weight: 800; color: #fff; text-transform: uppercase; margin-bottom: 15px; }
        .footer-brand span { color: var(--accent); }
        .footer-tagline { color: var(--muted); font-size: 14px; }
        .footer-title { font-family: var(--font-display); color: #fff; font-size: 16px; margin-bottom: 20px; text-transform: uppercase; }
        .footer-links { list-style: none; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a { color: var(--muted); font-size: 14px; }
        .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; font-family: var(--font-display); }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none; position: absolute; top: 70px; left: 0; width: 100%;
                background: var(--surface); flex-direction: column; padding: 20px;
                border-bottom: 1px solid var(--border); box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }
            .nav-menu.active { display: flex; }
            .header-ctas { display: none; }
            .menu-toggle { display: block; }
            .cta-group { flex-direction: column; }
        }
        @media (max-width: 390px) {
            .container { padding: 0 15px; }
            h1 { font-size: 24px; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .btn { width: 100%; min-height: 44px; } /* Touch target */
            .article-section, .intro-block { padding: 20px; }
        }


/* 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; }