:root {
            --bg: #06140a;
            --surface: #0d2414;
            --surface-hover: #15381f;
            --accent: #4ade80;
            --accent-hover: #22c55e;
            --accent2: #fbbf24;
            --accent2-hover: #f59e0b;
            --text: #f0fff4;
            --muted: #8fb598;
            --border: rgba(143, 181, 152, 0.2);
            --font-display: 'Montserrat', sans-serif;
            --font-body: 'Lora', serif;
            --radius: 12px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            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;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, .font-display {
            font-family: var(--font-display);
            font-weight: 700;
            line-height: 1.3;
        }

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* BUTTONS */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: 8px;
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            min-height: 44px;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #000;
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(74, 222, 128, 0.3);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--accent2);
            border: 2px solid var(--accent2);
        }

        .btn-secondary:hover {
            background-color: var(--accent2);
            color: #000;
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 16px;
        }

        /* HEADER (A1) */
        header {
            background-color: rgba(6, 20, 10, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .brand {
            font-family: var(--font-display);
            font-size: 28px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -1px;
            text-transform: lowercase;
        }

        .brand span {
            color: var(--accent);
        }

        .nav-menu {
            display: flex;
            gap: 24px;
        }

        .nav-link {
            font-family: var(--font-display);
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
        }

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

        .header-ctas {
            display: flex;
            gap: 12px;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 28px;
            cursor: pointer;
            min-width: 44px;
            min-height: 44px;
        }

        /* HERO BANNER - PITCH WAVE MOTIF */
        .hero-banner {
            position: relative;
            padding: 80px 0 100px;
            background: linear-gradient(135deg, var(--bg) 0%, var(--surface) 100%);
            overflow: hidden;
            text-align: center;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 150px;
            background: radial-gradient(ellipse at 50% 150%, rgba(74, 222, 128, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: repeating-linear-gradient(
                0deg,
                transparent,
                transparent 40px,
                rgba(255, 255, 255, 0.02) 40px,
                rgba(255, 255, 255, 0.02) 80px
            );
            pointer-events: none;
            opacity: 0.5;
        }

        .breadcrumb {
            font-family: var(--font-display);
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 24px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            position: relative;
            z-index: 2;
        }

        .breadcrumb a {
            color: var(--muted);
        }

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

        .breadcrumb span {
            color: var(--accent);
        }

        .hero-banner h1 {
            font-size: 42px;
            margin-bottom: 24px;
            color: #fff;
            position: relative;
            z-index: 2;
            text-shadow: 0 4px 20px rgba(0,0,0,0.5);
        }

        .meta-chips {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            position: relative;
            z-index: 2;
        }

        .chip {
            background: rgba(13, 36, 20, 0.8);
            border: 1px solid var(--border);
            padding: 6px 16px;
            border-radius: 20px;
            font-family: var(--font-display);
            font-size: 12px;
            font-weight: 500;
            color: var(--accent2);
            backdrop-filter: blur(4px);
        }

        /* MAIN CONTENT */
        .page-content {
            padding: 60px 20px 100px;
            max-width: 900px;
            position: relative;
        }

        .intro-block {
            font-size: 20px;
            color: var(--text);
            margin-bottom: 60px;
            padding-left: 24px;
            border-left: 4px solid var(--accent);
            font-style: italic;
        }

        .content-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 40px;
            margin-bottom: 40px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .content-card:hover {
            border-color: rgba(74, 222, 128, 0.4);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .content-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--accent);
            opacity: 0;
            transition: var(--transition);
        }

        .content-card:hover::before {
            opacity: 1;
        }

        .content-card h2 {
            font-size: 28px;
            color: var(--accent2);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .content-card p {
            margin-bottom: 20px;
            color: var(--muted);
            font-size: 17px;
        }

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

        /* LIST STYLING */
        .custom-list {
            list-style: none;
            margin-top: 24px;
        }

        .custom-list li {
            position: relative;
            padding-left: 32px;
            margin-bottom: 16px;
            color: var(--text);
        }

        .custom-list li::before {
            content: '»';
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--accent);
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            line-height: 1;
        }

        /* FAQ SECTION */
        .faq-section {
            margin-top: 80px;
        }

        .faq-section h2 {
            font-size: 32px;
            text-align: center;
            margin-bottom: 40px;
            color: #fff;
        }

        details {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        details:hover {
            border-color: var(--muted);
        }

        summary {
            padding: 20px 24px;
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            list-style: none;
            position: relative;
            color: var(--text);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

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

        summary::after {
            content: '+';
            color: var(--accent);
            font-size: 24px;
            line-height: 1;
            transition: transform 0.3s ease;
        }

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

        details p {
            padding: 0 24px 24px;
            color: var(--muted);
            margin: 0;
        }

        /* RELATED PAGES */
        .related-pages {
            margin-top: 80px;
            background: rgba(13, 36, 20, 0.5);
            border-radius: var(--radius);
            padding: 40px;
            border: 1px dashed var(--muted);
        }

        .related-pages h2 {
            font-size: 24px;
            margin-bottom: 24px;
            color: var(--accent2);
            text-align: center;
        }

        .related-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .related-link {
            background: var(--surface);
            border: 1px solid var(--border);
            padding: 12px 24px;
            border-radius: 30px;
            font-family: var(--font-display);
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .related-link::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
        }

        .related-link:hover {
            background: var(--accent);
            color: #000;
            border-color: var(--accent);
        }

        .related-link:hover::before {
            background: #000;
        }

        /* FINAL CTA */
        .final-cta {
            margin-top: 80px;
            background: linear-gradient(135deg, var(--surface) 0%, #0a1f11 100%);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .final-cta::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(74, 222, 128, 0.05) 0%, transparent 60%);
            pointer-events: none;
        }

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

        .final-cta p {
            font-size: 18px;
            color: var(--muted);
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

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

        /* FOOTER (A2) */
        footer {
            background-color: #040d07;
            padding: 80px 0 40px;
            border-top: 1px solid var(--border);
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-brand {
            font-family: var(--font-display);
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -1px;
            text-transform: lowercase;
        }

        .footer-brand span {
            color: var(--accent);
        }

        .footer-tagline {
            color: var(--muted);
            font-size: 15px;
            max-width: 300px;
        }

        .footer-title {
            font-family: var(--font-display);
            font-size: 18px;
            color: #fff;
            margin-bottom: 24px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

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

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.05);
            color: var(--muted);
            font-size: 14px;
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-banner h1 {
                font-size: 36px;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: var(--surface);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid var(--border);
            }

            .nav-menu.active {
                display: flex;
            }

            .header-ctas {
                display: none;
            }

            .menu-toggle {
                display: block;
            }

            .page-content {
                padding: 40px 20px 60px;
            }

            .hero-banner {
                padding: 60px 0 80px;
            }

            .hero-banner h1 {
                font-size: 28px;
            }

            .content-card {
                padding: 24px;
            }

            .content-card h2 {
                font-size: 24px;
            }

            .intro-block {
                font-size: 18px;
                margin-bottom: 40px;
            }

            .cta-buttons {
                flex-direction: column;
            }

            .btn-lg {
                width: 100%;
            }
        }

        @media (max-width: 390px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .meta-chips {
                flex-direction: column;
                gap: 8px;
            }

            .final-cta {
                padding: 40px 20px;
            }

            .final-cta h2 {
                font-size: 28px;
            }

            .related-grid {
                flex-direction: column;
            }

            .related-link {
                width: 100%;
                justify-content: center;
            }
        }


/* 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; }