:root {
            --bg: #070d12;
            --surface: #122030;
            --surface-hover: #1a2d42;
            --surface-light: #1e334a;
            --accent: #f97316;
            --accent-hover: #ea580c;
            --accent2: #38bdf8;
            --text: #f0f8ff;
            --muted: #8fa5b8;
            --border: rgba(143, 165, 184, 0.15);
            --border-strong: rgba(56, 189, 248, 0.3);

            --font-display: 'Oswald', sans-serif;
            --font-body: 'Fira Sans', sans-serif;

            --container-width: 1200px;
            --content-width: 840px;
        }

        * {
            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(--accent2);
            text-decoration: none;
            transition: all 0.2s ease;
        }

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

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

        .content-container {
            max-width: var(--content-width);
            margin: 0 auto;
        }

        /* BUTTONS */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-family: var(--font-display);
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 1px;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s ease;
            min-height: 44px;
            text-decoration: none;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #fff;
            border: 1px solid var(--accent);
            box-shadow: 0 0 10px rgba(249, 115, 22, 0.2);
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            color: #fff;
            box-shadow: 0 0 15px rgba(249, 115, 22, 0.4);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--text);
            border: 1px solid var(--border-strong);
        }

        .btn-secondary:hover {
            background-color: var(--surface-light);
            border-color: var(--accent2);
        }

        /* HEADER STYLES (Targeting provided HTML) */
        header {
            background-color: rgba(7, 13, 18, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }

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

        .brand {
            font-family: var(--font-display);
            font-size: 24px;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
        }

        .nav-links {
            display: none;
            gap: 24px;
        }

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

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

        .nav-actions {
            display: none;
            gap: 12px;
        }

        .menu-toggle {
            display: block;
            background: none;
            border: 1px solid var(--border-strong);
            color: var(--text);
            font-size: 24px;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 4px;
            min-height: 44px;
        }

        .mobile-menu {
            display: none;
            background-color: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 15px 20px;
        }

        .mobile-menu.active {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .mobile-menu a {
            color: var(--text);
            font-size: 16px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }

        .mobile-menu a.btn {
            border-bottom: none;
            margin-top: 10px;
            text-align: center;
        }

        @media (min-width: 1024px) {
            .nav-links, .nav-actions { display: flex; }
            .menu-toggle { display: none; }
            .mobile-menu { display: none !important; }
        }

        /* HERO BANNER - Terminal Station Look */
        .hero {
            background: linear-gradient(180deg, rgba(18, 32, 48, 0.8) 0%, var(--bg) 100%),
                        repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(143, 165, 184, 0.03) 40px, rgba(143, 165, 184, 0.03) 80px);
            padding: 60px 0 40px;
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; height: 2px;
            background: linear-gradient(90deg, var(--accent2), var(--accent));
            opacity: 0.5;
        }

        .breadcrumb {
            font-family: var(--font-body);
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        h1 {
            font-family: var(--font-display);
            font-size: clamp(28px, 5vw, 42px);
            line-height: 1.2;
            color: var(--text);
            text-transform: uppercase;
            margin-bottom: 24px;
            text-shadow: 0 0 20px rgba(56, 189, 248, 0.2);
        }

        .meta-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            background-color: var(--surface);
            border: 1px solid var(--border-strong);
            color: var(--accent2);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 2px;
            font-family: var(--font-display);
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        /* MAIN CONTENT */
        main {
            padding: 40px 0 80px;
        }

        .intro-block {
            background-color: var(--surface);
            border-left: 4px solid var(--accent);
            padding: 24px;
            margin-bottom: 40px;
            font-size: 18px;
            color: var(--text);
            box-shadow: 0 4px 20px rgba(0,0,0,0.2);
            position: relative;
        }

        .intro-block::after {
            content: '';
            position: absolute;
            top: 0; right: 0;
            width: 20px; height: 20px;
            border-top: 2px solid var(--border-strong);
            border-right: 2px solid var(--border-strong);
        }

        h2 {
            font-family: var(--font-display);
            font-size: 24px;
            color: var(--text);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 12px;
            text-transform: uppercase;
        }

        h2::before {
            content: '>';
            color: var(--accent);
            font-weight: 700;
        }

        p {
            margin-bottom: 20px;
            color: #d1e0ec;
        }

        p a {
            border-bottom: 1px dashed var(--accent2);
        }
        p a:hover {
            border-bottom-style: solid;
            color: var(--accent);
        }

        /* Terminal Lists */
        ul {
            list-style: none;
            margin-bottom: 24px;
            background-color: rgba(18, 32, 48, 0.3);
            border: 1px solid var(--border);
            padding: 20px;
            border-radius: 4px;
        }

        li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            color: #d1e0ec;
        }

        li:last-child {
            margin-bottom: 0;
        }

        li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 8px;
            height: 8px;
            background-color: var(--accent2);
            box-shadow: 0 0 5px var(--accent2);
        }

        /* FAQ Details */
        .faq-section {
            margin-top: 60px;
        }

        details {
            background-color: var(--surface);
            border: 1px solid var(--border);
            margin-bottom: 12px;
            border-radius: 4px;
            overflow: hidden;
            transition: border-color 0.3s;
        }

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

        summary {
            padding: 16px 20px;
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 500;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--accent2);
        }

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

        summary::after {
            content: '+';
            color: var(--accent);
            font-size: 24px;
            font-weight: 400;
            transition: transform 0.3s;
        }

        details[open] summary::after {
            transform: rotate(45deg);
        }

        details p {
            padding: 0 20px 20px;
            margin-bottom: 0;
            color: var(--muted);
            border-top: 1px dashed var(--border);
            padding-top: 16px;
        }

        /* RELATED LINKS (Terminal Data Panels) */
        .related-section {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px solid var(--border);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .related-card {
            background-color: var(--surface);
            border: 1px solid var(--border);
            padding: 24px;
            border-radius: 4px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .related-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background: linear-gradient(45deg, transparent, rgba(56, 189, 248, 0.05), transparent);
            z-index: -1;
            transform: translateX(-100%);
            transition: transform 0.5s ease;
        }

        .related-card:hover::before {
            transform: translateX(100%);
        }

        .related-card:hover {
            border-color: var(--accent2);
            box-shadow: 0 4px 15px rgba(0,0,0,0.3);
        }

        .related-card a {
            font-family: var(--font-display);
            font-size: 18px;
            text-transform: uppercase;
            color: var(--text);
            text-decoration: none;
        }

        .related-card a::after {
            content: '';
            position: absolute;
            inset: 0;
        }

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

        /* CTA BLOCK */
        .cta-block {
            margin-top: 60px;
            background: linear-gradient(135deg, var(--surface) 0%, #0a131c 100%);
            border: 1px solid var(--border-strong);
            padding: 40px;
            text-align: center;
            border-radius: 8px;
            position: relative;
        }

        .cta-block::before {
            content: '[ ACTION REQUIRED ]';
            position: absolute;
            top: -10px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--bg);
            padding: 0 10px;
            font-family: var(--font-display);
            font-size: 12px;
            color: var(--muted);
            letter-spacing: 2px;
        }

        .cta-block h3 {
            font-family: var(--font-display);
            font-size: 28px;
            margin-bottom: 16px;
            color: #fff;
            text-transform: uppercase;
        }

        .cta-block p {
            margin-bottom: 30px;
            color: var(--muted);
        }

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

        /* FOOTER (Targeting provided HTML) */
        footer {
            background-color: var(--surface);
            border-top: 1px solid var(--border);
            padding: 60px 0 30px;
            font-family: var(--font-body);
        }

        .footer-brand {
            font-family: var(--font-display);
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 16px;
            text-align: center;
        }

        .footer-tagline {
            color: var(--muted);
            text-align: center;
            margin-bottom: 40px;
            font-size: 15px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 15px;
            margin-bottom: 40px;
            text-align: center;
        }

        .footer-links a {
            color: var(--text);
            font-size: 14px;
        }

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

        .copyright {
            text-align: center;
            color: var(--muted);
            font-size: 13px;
            border-top: 1px solid var(--border);
            padding-top: 20px;
        }

        /* RESPONSIVE */
        @media (max-width: 768px) {
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 390px) {
            .footer-links {
                grid-template-columns: 1fr;
            }
            .hero {
                padding: 40px 0 30px;
            }
            .intro-block {
                padding: 16px;
                font-size: 16px;
            }
            .cta-block {
                padding: 30px 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; }