:root {
            --bg: #06140a;
            --surface: #0d2414;
            --surface-light: #163820;
            --surface-lighter: #1e4d2b;
            --accent: #4ade80;
            --accent-hover: #22c55e;
            --accent-glow: rgba(74, 222, 128, 0.3);
            --accent2: #fbbf24;
            --text: #f0fff4;
            --text-dark: #06140a;
            --muted: #8fb598;
            --font-display: 'Montserrat', sans-serif;
            --font-body: 'Lora', serif;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --transition: all 0.3s ease;
            --pitch-stripe: repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(255,255,255,0.015) 40px, rgba(255,255,255,0.015) 80px);
        }

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

        body {
            background-color: var(--bg);
            background-image: var(--pitch-stripe);
            color: var(--text);
            font-family: var(--font-body);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6, .brand, .btn, .nav-link, .meta-chips, .breadcrumb {
            font-family: var(--font-display);
        }

        a { color: var(--accent); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-hover); }

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

        /* HEADER STYLES (Matching provided structure) */
        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(--surface-light);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }
        .brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .brand span { color: var(--accent); }
        .nav-menu {
            display: none;
            gap: 20px;
        }
        .nav-link {
            color: var(--text);
            font-weight: 700;
            font-size: 0.9rem;
            text-transform: uppercase;
        }
        .nav-link:hover { color: var(--accent); }
        .header-ctas {
            display: none;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            text-transform: uppercase;
            cursor: pointer;
            min-height: 44px;
            text-align: center;
        }
        .btn-primary {
            background-color: var(--accent);
            color: var(--text-dark);
            border: 2px solid var(--accent);
        }
        .btn-primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 0 15px var(--accent-glow);
            color: var(--text-dark);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
        }
        .btn-secondary:hover {
            background-color: rgba(74, 222, 128, 0.1);
        }
        .menu-toggle {
            display: block;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            cursor: pointer;
            min-width: 44px;
            min-height: 44px;
        }

        /* HERO SECTION */
        .hero {
            position: relative;
            padding: 60px 0 80px;
            background: radial-gradient(ellipse at top center, var(--surface-light) 0%, var(--bg) 80%);
            border-bottom: 4px solid var(--accent);
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: 0;
            width: 100%;
            height: 100px;
            background: var(--bg);
            transform: skewY(-2deg);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 20px;
            display: inline-block;
            background: var(--surface);
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid var(--surface-light);
        }
        h1 {
            font-size: 2.2rem;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text);
            text-transform: uppercase;
            text-shadow: 0 4px 10px rgba(0,0,0,0.5);
        }
        .meta-chips {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .chip {
            background: rgba(74, 222, 128, 0.1);
            color: var(--accent);
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.8rem;
            font-weight: 700;
            border: 1px solid rgba(74, 222, 128, 0.2);
        }

        /* MAIN CONTENT AREA */
        main {
            position: relative;
            z-index: 2;
            padding: 40px 0 80px;
        }

        .intro-block {
            background: var(--surface);
            padding: 30px;
            border-radius: var(--radius-lg);
            border-left: 6px solid var(--accent2);
            font-size: 1.1rem;
            color: var(--text);
            margin-bottom: 60px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            position: relative;
        }
        .intro-block::before {
            content: '"';
            position: absolute;
            top: -10px;
            left: 20px;
            font-family: var(--font-display);
            font-size: 4rem;
            color: var(--surface-light);
            line-height: 1;
            z-index: 0;
        }
        .intro-block p { position: relative; z-index: 1; }

        .content-grid {
            display: grid;
            gap: 40px;
        }

        .section-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 30px;
            border: 1px solid var(--surface-light);
            position: relative;
            overflow: hidden;
        }

        .section-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 100%; height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--surface-light));
        }

        .section-title {
            font-size: 1.5rem;
            color: var(--accent);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-title::before {
            content: '';
            display: block;
            width: 24px;
            height: 24px;
            background: var(--accent2);
            clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
        }

        .text-content p {
            margin-bottom: 16px;
            color: var(--muted);
        }
        .text-content p:last-child { margin-bottom: 0; }

        .text-content a {
            color: var(--accent2);
            font-weight: bold;
            border-bottom: 1px dashed var(--accent2);
        }
        .text-content a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        /* Step List Styling */
        .step-list {
            list-style: none;
            margin-top: 24px;
            background: var(--surface-light);
            padding: 24px;
            border-radius: var(--radius-sm);
        }
        .step-list li {
            position: relative;
            padding-left: 40px;
            margin-bottom: 16px;
            color: var(--text);
            font-weight: 600;
        }
        .step-list li:last-child { margin-bottom: 0; }
        .step-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 0;
            width: 24px;
            height: 24px;
            background: var(--accent);
            color: var(--text-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-family: var(--font-display);
        }

        /* FAQ Styling */
        .faq-section { margin-top: 60px; }
        .faq-title {
            font-size: 1.8rem;
            text-align: center;
            margin-bottom: 30px;
            color: var(--text);
            text-transform: uppercase;
        }
        details {
            background: var(--surface);
            border: 1px solid var(--surface-light);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
        }
        summary {
            padding: 18px 20px;
            font-family: var(--font-display);
            font-weight: 700;
            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: '+';
            color: var(--accent);
            font-size: 1.5rem;
            line-height: 1;
        }
        details[open] summary::after { content: '−'; }
        details[open] summary { background: var(--surface-light); }
        details p {
            padding: 20px;
            color: var(--muted);
            border-top: 1px solid var(--surface-light);
        }

        /* Related Links */
        .related-section {
            margin-top: 60px;
            background: var(--surface-light);
            padding: 40px;
            border-radius: var(--radius-lg);
            text-align: center;
        }
        .related-section h2 {
            font-size: 1.5rem;
            margin-bottom: 24px;
            color: var(--text);
        }
        .related-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }
        .related-tag {
            background: var(--surface);
            color: var(--muted);
            padding: 10px 20px;
            border-radius: 30px;
            font-family: var(--font-display);
            font-size: 0.9rem;
            font-weight: 700;
            border: 1px solid var(--surface-lighter);
        }
        .related-tag:hover {
            background: var(--accent);
            color: var(--text-dark);
            border-color: var(--accent);
        }

        /* Mega CTA */
        .mega-cta {
            margin-top: 80px;
            background: linear-gradient(135deg, var(--surface-light) 0%, var(--surface) 100%);
            border: 2px solid var(--accent);
            border-radius: var(--radius-lg);
            padding: 50px 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .mega-cta::before {
            content: '';
            position: absolute;
            top: -50%; left: -50%; width: 200%; height: 200%;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
            animation: pulse 5s infinite;
            z-index: 0;
            pointer-events: none;
        }
        @keyframes pulse {
            0% { transform: scale(1); opacity: 0.5; }
            50% { transform: scale(1.1); opacity: 0.8; }
            100% { transform: scale(1); opacity: 0.5; }
        }
        .mega-cta-content { position: relative; z-index: 1; }
        .mega-cta h2 {
            font-size: 2rem;
            color: var(--text);
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .mega-cta p {
            color: var(--muted);
            margin-bottom: 30px;
            font-size: 1.1rem;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* FOOTER STYLES (Matching provided structure) */
        footer {
            background-color: #030a05;
            padding: 60px 0 20px;
            border-top: 1px solid var(--surface-light);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .footer-brand span { color: var(--accent); }
        .footer-tagline { color: var(--muted); font-size: 0.9rem; }
        .footer-title {
            font-family: var(--font-display);
            color: var(--text);
            font-size: 1.1rem;
            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: 0.9rem; }
        .footer-links a:hover { color: var(--accent); padding-left: 5px; }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--surface-light);
            color: var(--muted);
            font-size: 0.8rem;
        }

        /* RESPONSIVE BREAKPOINTS */
        @media (min-width: 768px) {
            .nav-menu { display: flex; }
            .header-ctas { display: flex; }
            .menu-toggle { display: none; }
            h1 { font-size: 3rem; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
            .content-grid { grid-template-columns: 1fr; }
            .layout-split {
                display: grid;
                grid-template-columns: 3fr 2fr;
                gap: 30px;
                align-items: start;
            }
        }

        @media (min-width: 1024px) {
            .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
            .content-grid { grid-template-columns: repeat(2, 1fr); }
            .section-card.full-width { grid-column: span 2; }
            .layout-split { grid-template-columns: 1fr; } /* Reset for grid layout */
        }

        /* Mobile Menu Active State */
        .nav-menu.active {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 70px;
            left: 0;
            width: 100%;
            background: var(--surface);
            padding: 20px;
            border-bottom: 1px solid var(--surface-light);
            z-index: 99;
        }
        .header-ctas.active {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 320px; /* Adjust based on menu items */
            left: 0;
            width: 100%;
            background: var(--surface);
            padding: 0 20px 20px;
            z-index: 99;
        }


/* 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; }