:root {
            /* Palette */
            --bg: #150a05;
            --surface: #2b1508;
            --surface-hover: #3a1d0b;
            --accent: #ffb703;
            --accent2: #fb5607;
            --text: #fff8f0;
            --muted: #c2a08b;

            /* Typography */
            --font-display: 'Anton', sans-serif;
            --font-body: 'Barlow', sans-serif;

            /* Layout */
            --container-max: 1024px;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;

            /* Motif/Effects */
            --glow: 0 0 15px rgba(251, 86, 7, 0.4);
            --grid-pattern: linear-gradient(rgba(255, 183, 3, 0.05) 1px, transparent 1px),
                            linear-gradient(90deg, rgba(255, 183, 3, 0.05) 1px, transparent 1px);
        }

        /* Reset & Base */
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: var(--font-body);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            background-image: var(--grid-pattern);
            background-size: 30px 30px;
            background-attachment: fixed;
        }

        a { color: var(--accent); text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: var(--accent2); }

        h1, h2, h3, h4 {
            font-family: var(--font-display);
            text-transform: uppercase;
            font-weight: normal;
            line-height: 1.2;
            letter-spacing: 0.03em;
        }

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

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-family: var(--font-display);
            font-size: 1.1rem;
            letter-spacing: 0.05em;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            border: none;
            min-height: 44px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent2), var(--accent));
            color: var(--bg);
            box-shadow: var(--glow);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--accent), var(--accent2));
            transform: translateY(-2px);
            box-shadow: 0 5px 20px rgba(255, 183, 3, 0.5);
            color: var(--bg);
        }
        .btn-secondary {
            background: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
        }
        .btn-secondary:hover {
            background: rgba(255, 183, 3, 0.1);
            color: var(--text);
            border-color: var(--text);
        }

        /* Header (Matching Provided Structure) */
        header {
            background-color: rgba(21, 10, 5, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--surface);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }
        .logo {
            font-family: var(--font-display);
            font-size: 2rem;
            color: var(--accent);
            letter-spacing: 0.1em;
            text-shadow: 0 0 10px rgba(255, 183, 3, 0.3);
        }
        .nav-desktop ul {
            display: none;
            list-style: none;
            gap: 24px;
        }
        .nav-desktop a {
            color: var(--text);
            font-weight: 500;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .nav-desktop a:hover { color: var(--accent); }
        .header-ctas { display: none; gap: 12px; }
        .header-ctas .btn { padding: 8px 16px; font-size: 0.9rem; }

        .menu-toggle {
            background: none;
            border: none;
            color: var(--accent);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
            min-width: 44px;
            min-height: 44px;
        }

        .nav-mobile {
            display: none;
            background-color: var(--surface);
            border-top: 1px solid rgba(255, 183, 3, 0.2);
            padding: 20px;
        }
        .nav-mobile.active { display: block; }
        .nav-mobile ul { list-style: none; display: flex; flex-direction: column; gap: 15px; margin-bottom: 20px; }
        .nav-mobile a { color: var(--text); font-size: 1.1rem; display: block; padding: 10px 0; border-bottom: 1px solid rgba(194, 160, 139, 0.1); }
        .nav-mobile .header-ctas { display: flex; flex-direction: column; width: 100%; }

        @media (min-width: 1024px) {
            .nav-desktop ul { display: flex; }
            .header-ctas { display: flex; }
            .menu-toggle { display: none; }
            .nav-mobile { display: none !important; }
        }

        /* Hero Banner */
        .hero-banner {
            padding: 60px 0 40px;
            position: relative;
            overflow: hidden;
            border-bottom: 2px solid var(--surface);
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: radial-gradient(circle at 50% 100%, rgba(251, 86, 7, 0.15) 0%, transparent 60%);
            z-index: 0;
        }
        .hero-banner .container { position: relative; z-index: 1; }

        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 20px;
            font-family: var(--font-body);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            color: var(--text);
            margin-bottom: 24px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            max-width: 800px;
            background: linear-gradient(to right, var(--text), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .meta-chips {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .chip {
            background: var(--surface);
            border: 1px solid rgba(255, 183, 3, 0.3);
            color: var(--accent);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
        }

        /* Main Content Area */
        .main-content {
            padding: 60px 0;
            display: grid;
            gap: 50px;
        }

        /* Intro Block */
        .intro-block {
            background: linear-gradient(145deg, var(--surface), #201006);
            padding: 30px;
            border-left: 4px solid var(--accent2);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-size: 1.15rem;
            color: var(--text);
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            position: relative;
        }
        .intro-block::after {
            content: 'DATA_SEQ_01';
            position: absolute;
            top: 10px;
            right: 15px;
            font-family: var(--font-display);
            font-size: 0.8rem;
            color: var(--muted);
            opacity: 0.3;
        }

        /* Article Sections */
        .content-section h2 {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 15px;
            border-bottom: 1px solid var(--surface);
            padding-bottom: 10px;
        }
        .content-section h2::before {
            content: '';
            display: block;
            width: 12px;
            height: 12px;
            background-color: var(--accent2);
            box-shadow: 0 0 8px var(--accent2);
        }

        .content-section p {
            margin-bottom: 20px;
            font-size: 1.05rem;
            color: #d8c8c0;
            text-align: justify;
        }
        .content-section p:last-child { margin-bottom: 0; }

        .content-section a {
            border-bottom: 1px dashed var(--accent);
            padding-bottom: 2px;
        }
        .content-section a:hover {
            border-bottom-style: solid;
            background: rgba(255, 183, 3, 0.1);
        }

        /* Custom List */
        .custom-list {
            list-style: none;
            margin: 20px 0;
            padding: 0;
        }
        .custom-list li {
            position: relative;
            padding-left: 40px;
            margin-bottom: 15px;
            font-size: 1.05rem;
            color: #d8c8c0;
            background: rgba(43, 21, 8, 0.4);
            padding: 15px 15px 15px 50px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(194, 160, 139, 0.1);
        }
        .custom-list li::before {
            content: '✓';
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--accent2);
            font-weight: bold;
            font-size: 1.2rem;
        }

        /* FAQ Section */
        .faq-section {
            background: var(--surface);
            padding: 40px;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 183, 3, 0.1);
            position: relative;
            overflow: hidden;
        }
        /* Motif inside FAQ */
        .faq-section::before {
            content: '';
            position: absolute;
            top: -50px; right: -50px;
            width: 150px; height: 150px;
            background: repeating-radial-gradient(circle, transparent, transparent 10px, rgba(255,183,3,0.05) 10px, rgba(255,183,3,0.05) 20px);
            opacity: 0.5;
        }
        .faq-section h2 {
            font-size: 2.2rem;
            margin-bottom: 30px;
            text-align: center;
            color: var(--text);
        }
        .faq-grid {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        details {
            background: var(--bg);
            border: 1px solid rgba(194, 160, 139, 0.2);
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
        }
        details[open] {
            border-color: var(--accent);
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }
        summary {
            padding: 20px;
            font-family: var(--font-display);
            font-size: 1.2rem;
            color: var(--accent);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }
        summary::-webkit-details-marker { display: none; }
        summary::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--muted);
            transition: transform 0.3s ease;
        }
        details[open] summary::after {
            content: '-';
            color: var(--accent2);
            transform: rotate(180deg);
        }
        details p {
            padding: 0 20px 20px;
            color: var(--muted);
            font-size: 1.05rem;
            line-height: 1.6;
        }

        /* Related Pages Block */
        .related-pages {
            margin-top: 20px;
        }
        .related-pages h3 {
            font-size: 1.5rem;
            color: var(--muted);
            margin-bottom: 20px;
            text-align: center;
            border-bottom: 1px solid var(--surface);
            padding-bottom: 10px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }
        .related-link {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            background: linear-gradient(to bottom, var(--surface), var(--bg));
            border: 1px solid rgba(255, 183, 3, 0.2);
            border-radius: var(--radius-md);
            font-family: var(--font-display);
            font-size: 1.1rem;
            color: var(--text);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .related-link::before {
            content: '';
            position: absolute;
            top: 0; left: -100%;
            width: 100%; height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,183,3,0.1), transparent);
            transition: left 0.5s ease;
        }
        .related-link:hover {
            border-color: var(--accent);
            transform: translateY(-3px);
            color: var(--accent);
            box-shadow: 0 8px 20px rgba(0,0,0,0.6);
        }
        .related-link:hover::before { left: 100%; }

        /* Final CTA */
        .final-cta {
            background: linear-gradient(45deg, #2b1508, #150a05);
            padding: 60px 20px;
            text-align: center;
            border-radius: var(--radius-lg);
            border: 2px solid var(--surface);
            position: relative;
            margin-top: 40px;
        }
        .final-cta::after {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent2), var(--accent), transparent);
        }
        .final-cta h2 {
            font-size: 2.5rem;
            color: var(--text);
            margin-bottom: 15px;
        }
        .final-cta p {
            font-size: 1.1rem;
            color: var(--muted);
            margin-bottom: 30px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-buttons .btn {
            min-width: 200px;
            font-size: 1.2rem;
            padding: 15px 30px;
        }

        /* Footer (Matching Provided Structure) */
        footer {
            background-color: #0a0502;
            padding: 60px 0 30px;
            border-top: 1px solid var(--surface);
            margin-top: 60px;
        }
        footer .container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .footer-brand {
            font-family: var(--font-display);
            font-size: 2.5rem;
            color: var(--accent);
            letter-spacing: 0.1em;
            margin-bottom: 10px;
        }
        .footer-tagline {
            color: var(--muted);
            margin-bottom: 30px;
            font-size: 1rem;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px 25px;
            margin-bottom: 40px;
            max-width: 800px;
        }
        .footer-links a {
            color: var(--text);
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            font-family: var(--font-display);
        }
        .footer-links a:hover { color: var(--accent2); }
        .copyright {
            color: #66554c;
            font-size: 0.9rem;
            border-top: 1px solid rgba(194, 160, 139, 0.1);
            padding-top: 20px;
            width: 100%;
        }

        /* Responsive Breakpoints */
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            .content-section h2 { font-size: 1.6rem; }
            .faq-section { padding: 25px 15px; }
            .faq-section h2 { font-size: 1.8rem; }
            .final-cta { padding: 40px 15px; }
            .final-cta h2 { font-size: 2rem; }
            .cta-buttons { flex-direction: column; width: 100%; }
            .cta-buttons .btn { width: 100%; }
            .intro-block { padding: 20px; font-size: 1.05rem; }
            .custom-list li { padding: 12px 12px 12px 40px; }
        }


/* 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; }