:root {
            --bg: #0b0a08;
            --surface: #1c1913;
            --accent: #d98e32;
            --accent-hover: #e8a045;
            --accent2: #6cb4ee;
            --text: #faf7f0;
            --muted: #a89f91;
            --font-display: 'Anton', sans-serif;
            --font-body: 'Barlow', sans-serif;
            --border-color: #332d22;
        }

        * {
            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;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        a:hover {
            color: var(--accent2);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

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

        /* Typography */
        h1, h2, h3, .brand, .footer-brand, .btn {
            font-family: var(--font-display);
            text-transform: uppercase;
            letter-spacing: 1px;
            font-weight: 400;
        }

        /* HEADER (Verbatim styling) */
        header {
            background-color: var(--bg);
            border-bottom: 2px solid var(--surface);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .brand {
            font-size: 28px;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-links {
            display: flex;
            gap: 20px;
        }

        .nav-links a {
            color: var(--text);
            font-family: var(--font-display);
            font-size: 16px;
            padding: 10px 0;
            position: relative;
        }

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

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent);
            font-size: 24px;
            cursor: pointer;
            padding: 10px;
        }

        /* HERO ARENA */
        .hero {
            padding: 40px 0 60px;
            background: linear-gradient(135deg, var(--bg) 0%, #15120e 100%);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(217, 142, 50, 0.03) 10px, rgba(217, 142, 50, 0.03) 20px);
            pointer-events: none;
        }

        .breadcrumb {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 20px;
            font-weight: 500;
        }

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

        .hero h1 {
            font-size: clamp(32px, 5vw, 56px);
            color: var(--text);
            line-height: 1.1;
            margin-bottom: 15px;
            text-shadow: 2px 2px 0px rgba(0,0,0,0.5);
            max-width: 900px;
        }

        .meta-chips {
            display: flex;
            gap: 10px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .chip {
            background-color: var(--surface);
            color: var(--accent2);
            padding: 6px 12px;
            font-size: 13px;
            font-weight: 700;
            border: 1px solid rgba(108, 180, 238, 0.3);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .intro-block {
            background-color: var(--surface);
            border-left: 4px solid var(--accent);
            padding: 24px;
            font-size: 18px;
            color: var(--text);
            max-width: 900px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            position: relative;
        }

        /* MAIN CONTENT */
        main {
            padding: 60px 0;
        }

        .content-grid {
            display: grid;
            gap: 60px;
            max-width: 900px;
            margin: 0 auto;
        }

        .section-block {
            position: relative;
        }

        .section-header {
            display: flex;
            align-items: baseline;
            gap: 15px;
            margin-bottom: 20px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 10px;
        }

        .sec-num {
            font-family: var(--font-display);
            color: var(--accent);
            font-size: 24px;
            opacity: 0.8;
        }

        h2 {
            font-size: clamp(24px, 3vw, 32px);
            color: var(--text);
            line-height: 1.2;
        }

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

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

        .prose a {
            color: var(--accent2);
            font-weight: 600;
            border-bottom: 1px dashed var(--accent2);
        }

        .prose a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        /* Tactical Lists */
        .tactical-list {
            list-style: none;
            margin-top: 25px;
            display: grid;
            gap: 12px;
        }

        .tactical-list li {
            background-color: var(--surface);
            padding: 15px 20px 15px 45px;
            position: relative;
            font-weight: 500;
            color: var(--text);
            border: 1px solid transparent;
            transition: border-color 0.3s ease;
        }

        .tactical-list li:hover {
            border-color: var(--border-color);
        }

        .tactical-list li::before {
            content: '►';
            position: absolute;
            left: 20px;
            top: 15px;
            color: var(--accent);
            font-size: 12px;
            font-family: monospace;
        }

        /* Alternate Section Style */
        .section-block.alt-style {
            background-color: var(--surface);
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: inset 0 0 50px rgba(0,0,0,0.3);
        }

        .section-block.alt-style .section-header {
            border-bottom-color: rgba(255,255,255,0.05);
        }

        /* FAQ SECTION */
        .faq-wrapper {
            margin-top: 80px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }

        .faq-title {
            text-align: center;
            font-size: 36px;
            margin-bottom: 40px;
            color: var(--accent);
        }

        details {
            background-color: var(--surface);
            margin-bottom: 15px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        details[open] {
            border-color: var(--accent);
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
        }

        summary {
            padding: 20px;
            font-size: 18px;
            font-weight: 700;
            cursor: pointer;
            list-style: none;
            position: relative;
            padding-right: 50px;
            color: var(--text);
        }

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

        summary::after {
            content: '+';
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            font-family: var(--font-display);
            font-size: 24px;
            color: var(--accent);
            transition: transform 0.3s ease;
        }

        details[open] summary::after {
            content: '−';
            transform: translateY(-50%) rotate(180deg);
        }

        details p {
            padding: 0 20px 20px;
            color: var(--muted);
            font-size: 16px;
        }

        /* RELATED HUB */
        .related-hub {
            margin-top: 80px;
            padding: 60px 0;
            background: linear-gradient(to bottom, var(--bg) 0%, var(--surface) 100%);
            border-top: 1px solid var(--border-color);
        }

        .hub-title {
            text-align: center;
            font-size: 28px;
            margin-bottom: 30px;
            color: var(--text);
        }

        .hub-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .hub-link {
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background-color: var(--bg);
            border: 1px solid var(--border-color);
            padding: 20px;
            font-family: var(--font-display);
            font-size: 18px;
            color: var(--muted);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            min-height: 80px;
        }

        .hub-link::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(217, 142, 50, 0.1), transparent);
            transition: left 0.5s ease;
        }

        .hub-link:hover {
            color: var(--accent);
            border-color: var(--accent);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.4);
        }

        .hub-link:hover::before {
            left: 100%;
        }

        /* CTA GRAND */
        .cta-grand {
            padding: 80px 0;
            text-align: center;
            background-color: var(--surface);
            border-top: 2px solid var(--accent);
            position: relative;
        }

        .cta-grand::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--accent2);
        }

        .cta-grand h2 {
            font-size: clamp(32px, 5vw, 48px);
            color: var(--accent);
            margin-bottom: 15px;
        }

        .cta-grand p {
            font-size: 18px;
            color: var(--text);
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 15px 40px;
            font-size: 20px;
            min-width: 200px;
            min-height: 54px;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background-color: var(--accent);
            color: var(--bg);
            box-shadow: 0 4px 0 #a66a20, 0 10px 20px rgba(217,142,50,0.3);
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            color: var(--bg);
            transform: translateY(2px);
            box-shadow: 0 2px 0 #a66a20, 0 5px 10px rgba(217,142,50,0.3);
        }

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

        .btn-secondary:hover {
            border-color: var(--text);
            color: #fff;
        }

        /* FOOTER (Verbatim styling) */
        footer {
            background-color: #050403;
            padding: 60px 0 30px;
            text-align: center;
            border-top: 1px solid #1a1712;
        }

        .footer-brand {
            font-size: 32px;
            color: var(--accent);
            margin-bottom: 15px;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
        }

        .footer-tagline {
            color: var(--muted);
            margin-bottom: 30px;
            font-size: 15px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px 25px;
            margin-bottom: 40px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .footer-links a {
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
        }

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

        .copyright {
            color: #555;
            font-size: 14px;
            font-family: var(--font-display);
            letter-spacing: 1px;
        }

        /* RESPONSIVE */
        @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;
                gap: 15px;
                border-bottom: 2px solid var(--accent);
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }

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

            .nav-links a {
                padding: 12px 0;
                font-size: 18px;
                border-bottom: 1px solid var(--border-color);
            }

            .nav-links a:last-child {
                border-bottom: none;
            }

            .section-block.alt-style {
                padding: 24px;
            }

            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }

            .btn {
                width: 100%;
            }
        }

        @media (max-width: 390px) {
            .container {
                padding: 0 15px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .intro-block {
                padding: 15px;
                font-size: 16px;
            }
            .sec-num {
                font-size: 20px;
            }
            h2 {
                font-size: 22px;
            }
            summary {
                font-size: 16px;
                padding: 15px;
            }
        }


/* 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; }